mirror of
https://github.com/torvalds/linux.git
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dfe05fcca8
1452445 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Kees Cook
|
dfe05fcca8 |
x86: Remove arch-specific strncpy() implementation
strncpy() has no remaining callers in the kernel[1]. Remove the x86-32-specific inline assembly implementation and __HAVE_ARCH_STRNCPY define, falling back to the generic version in lib/string.c. Link: https://github.com/KSPP/linux/issues/90 [1] Signed-off-by: Kees Cook <kees@kernel.org> |
||
|
Kees Cook
|
7eda356658 |
powerpc: Remove arch-specific strncpy() implementation
strncpy() has no remaining callers in the kernel[1]. Remove the powerpc-specific assembly implementation from both the kernel (arch/powerpc/lib/string.S) and the boot wrapper (arch/powerpc/boot/string.S), along with the __HAVE_ARCH_STRNCPY define and declaration, falling back to the generic version in lib/string.c. The boot wrapper's strncpy had no callers in arch/powerpc/boot/. Link: https://github.com/KSPP/linux/issues/90 [1] Signed-off-by: Kees Cook <kees@kernel.org> |
||
|
Kees Cook
|
ad3242a9ac |
m68k: Remove arch-specific strncpy() implementation
strncpy() has no remaining callers in the kernel[1]. Remove the m68k-specific inline assembly implementation and __HAVE_ARCH_STRNCPY define, falling back to the generic version in lib/string.c. Link: https://github.com/KSPP/linux/issues/90 [1] Signed-off-by: Kees Cook <kees@kernel.org> |
||
|
Kees Cook
|
4cb5e246e6 |
alpha: Remove arch-specific strncpy() implementation
strncpy() has no remaining callers in the kernel[1]. Remove the alpha-specific assembly implementation and __HAVE_ARCH_STRNCPY define, falling back to the generic version in lib/string.c. The __stxncpy helper (stxncpy.S/ev6-stxncpy.S) is retained as it is still used by strncat. Link: https://github.com/KSPP/linux/issues/90 [1] Signed-off-by: Kees Cook <kees@kernel.org> |
||
|
Linus Torvalds
|
9c87e61e3c |
bpf-next-7.2
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Merge tag 'bpf-next-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Pull bpf updates from Alexei Starovoitov:
"Major changes:
- Recover from BPF arena page faults using a scratch page and add
ptep_try_set() for lockless empty-slot installs on x86 and arm64.
This allows BPF kfuncs to access arena pointers directly.
The 'arena_direct_access' stable branch was created for this work
and was pulled into sched-ext and bpf-next trees (Tejun Heo, Kumar
Kartikeya Dwivedi)
- Lift old restriction and support 6+ arguments in BPF programs and
kfuncs on x86 and arm64 (Yonghong Song, Puranjay Mohan)
Other features and fixes:
- Add 24-bit BTF vlen and reclaim unused bits in the BTF UAPI to ease
addition of new BTF kinds (Alan Maguire)
- Raise the maximum BPF call chain depth from 8 to 16 frames (Alexei
Starovoitov)
- Refactor object relationship tracking in the verifier and fix a
dynptr use-after-free bug (Amery Hung)
- Harden the signed program loader and reject exclusive maps as inner
maps (Daniel Borkmann)
- Replace the verifier min/max bounds fields with a circular number
(cnum) representation and improve 32->64 bit range refinements
(Eduard Zingerman)
- Introduce the arena library and runtime (libarena) with a buddy
allocator, rbtree and SPMC queue data structures, ASAN support and
a parallel test harness. Allow subprograms to return arena pointers
and switch to a BTF type-tag based __arena annotation (Emil
Tsalapatis)
- Cache build IDs in the sleepable stackmap path and avoid faultable
build ID reads under mm locks (Ihor Solodrai)
- Introduce the tracing_multi link to attach a single BPF program to
many kernel functions at once. Allow specifying the uprobe_multi
target via FD (Jiri Olsa)
- Extend the bpf_list family of kfuncs with bpf_list_add/del(), and
bpf_list_is_first/is_last/empty() (Kaitao Cheng)
- Extend the BPF syscall with common attributes support for
prog_load, btf_load and map_create (Leon Hwang)
- Wrap rhashtable as BPF map (Mykyta Yatsenko, Herbert Xu)
- Add sleepable support for tracepoint programs and fix deadlocks in
LRU map due to NMI reentry (Mykyta Yatsenko)
- Fix OOB access in bpf_flow_keys, fix nullness analysis of inner
arrays, enforce write checks for global subprograms (Nuoqi Gui)
- Report the maximum combined stack depth and print a breakdown of
instructions processed per subprogram (Paul Chaignon)
- Add an XDP load-balancer benchmark and arm64 JIT support for stack
arguments (Puranjay Mohan)
- Add kfuncs to traverse over wakeup_sources (Samuel Wu)
- Allow sleepable BPF programs to use LPM trie maps directly (Vlad
Poenaru)
- Many more fixes and cleanups across the verifier, BTF, sockmap,
devmap, bpffs, security hooks, s390/riscv/loongarch JITs,
rqspinlock, libbpf, bpftool, selftests"
* tag 'bpf-next-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (336 commits)
selftests/bpf: Work around llvm stack overflow in crypto progs
selftests/bpf: add test for bpf_msg_pop_data() overflow
bpf, sockmap: fix integer overflow in bpf_msg_pop_data() bounds check
sockmap: Fix use-after-free in udp_bpf_recvmsg()
bpf, sockmap: keep sk_msg copy state in sync
bpf, sockmap: Fix wrong rsge offset in bpf_msg_push_data()
bpf, sockmap: reject overflowing copy + len in bpf_msg_push_data()
selftsets/bpf: Retry map update on helper_fill_hashmap()
selftests/bpf: Add test for sleepable lsm_cgroup rejection
selftests/bpf: Add test to verify the fix for bpf_setsockopt() helper
bpf: Fix bpf_get/setsockopt to tos for ipv4-mapped ipv6 socket
selftests/bpf: Avoid static LLVM linking for cross builds
selftests/bpf: Use common CFLAGS for urandom_read
selftests/bpf: Initialize operation name before use
tools/bpf: build: Append extra cflags
libbpf: Initialize CFLAGS before including Makefile.include
bpftool: Append extra host flags
bpftool: Avoid adding EXTRA_CFLAGS to HOST_CFLAGS
bpftool: Pass host flags to bootstrap libbpf
selftests/bpf: correct CONFIG_PPC64 macro name in comment
...
|
||
|
Linus Torvalds
|
b85966adbf |
Networking changes for 7.2.
Core & protocols
----------------
- Work on removing rtnl_lock protection throughout the stack continues.
In this chapter:
- don't use rtnl_lock for IPv6 multicast routing configuration
- don't take rtnl_lock in ethtool for modern drivers
- prepare Qdisc dump callbacks for rtnl_lock removal
- Support dumping just ifindex + name of all interfaces, under RCU.
It's a common operation for Netlink CLI tools (when translating
names to ifindexes) and previously required full rtnl_lock.
- Support dumping qdiscs and page pools for a specific netdev. Even tho
user space wants a dump of all netdevs, most of the time, the OOO
programming model results in repeating the dump for each netdev.
Which, in absence of a cache, leads to a O(n^2) behavior.
- Flush nexthops once on multi-nexthop removal (e.g. when device goes
down), another O(n^2) -> O(n) improvement.
- Rehash locally generated traffic to a different nexthop on retransmit
timeout.
- Honor oif when choosing nexthop for locally generated IPv6 traffic.
- Convert TCP Auth Option to crypto library, and drop non-RFC algos.
- Increase subflow limits in MPTCP to 64 and endpoint limit to 256.
- Support MPTCP signaling of IPv6 address + port (ADD_ADDR). We need
to selectively skip reporting of the standard TCP Timestamp option,
because they won't fit into the header space together (12 + 30 > 40).
- Support using bridge neighbor suppression, Duplicate Address
Detection, Gratuitous ARP and unsolicited NA forwarding - in EVPN
deployments, e.g. VXLAN fabrics (IPv4 and IPv6).
- Improve link state reporting for upper netdevs (e.g. macvlan) over
tunnel devices (again, mostly for EVPN deployments).
- Support binding GENEVE tunnels to a local address.
- Speed up UDP tunnel destruction (remove one synchronize_rcu()).
- Support exponential field encoding in multicast (IGMPv3 and MLDv2).
- Support attaching PSP crypto offload to containers (veth, netkit).
- Add a new IPSec Netlink message XFRM_MSG_MIGRATE_STATE that allows
migrating individual IPsec SAs independently of their policies.
The existing XFRM_MSG_MIGRATE is tightly coupled to policy+SA
migration, lacks SPI for unique SA identification, and cannot express
reqid changes or migrate Transport mode selectors. The new interface
identifies the SA via SPI and mark, supports reqid changes, address
family changes, encap removal, and uses an atomic create+install
flow under x->lock to prevent SN/IV reuse during AEAD SA migration.
- Implement GRO/GSO support for PPPoE.
- Convert sockopt callbacks in a number of protocols to iov_iter.
Cross-tree stuff
----------------
- Remove support for Crypto TFM cloning (unblocked after the TCP Auth
Option rework). This feature regressed performance for all crypto API
users, since it changed crypto transformation objects into reference-
-counted objects.
- Add FCrypt-PCBC implementation to rxrpc and remove it from the global
crypto API as obsolete and insecure.
Wireless
--------
- Major rework of station bandwidth handling, fixing issues with lower
capability than AP.
- Cleanups for EMLSR spec issues (drafts differed).
- More Neighbor Awareness Networking (Wi-Fi Aware) work (multicast,
schedule improvements, multi-station etc.)
- Some Ultra High Reliability (UHR) / IEEE 802.11bn (D1.4) work
(e.g. non-primary channel access, UHR DBE support).
- Fine Timing Measurement ranging (i.e. distance measurement) APIs.
Netfilter
---------
- Use per-rule hash initval in nf_conncount. This avoids unnecessary
lock contention with short keys (e.g. conntrack zones) in different
namespaces.
- Various safety improvements, both in packet parsing and object
lifetimes. Notably add refcounts to conntrack timeout policy.
Deletions
---------
- Remove TLS + sockmap integration. TLS wants to pin user pages
to avoid a copy, and sockmap wants to write to the input stream.
More work on this integration is clearly needed, and we can't find
any users (original author admitted that they never deployed it).
- Remove support for TLS offload with TCP Offload Engine (the far
more common opportunistic offload is retained). The locking looks
unfixable (driver sleeps under TCP spin locks) and people from
the vendor that added this are AWOL.
- Remove more ATM code, trying to leave behind only what PPPoATM needs,
AAL5 and br2684 with permanent circuits.
- Remove AppleTalk. Let it join hamradio in our out of tree protocol
graveyard, I mean, repository.
- Disable 32-bit x_tables compatibility (32bit binaries on 64bit kernel)
interface in user namespaces. To be deleted completely, soon.
- Remove 5/10 MHz support from cfg80211/mac80211.
Drivers
-------
- Software:
- Support DEVMEM/DMABUF Tx over NETMEM_TX_NO_DMA devices (netkit).
- bonding: add knob to strictly follow 802.3ad for link state.
- New drivers:
- Alibaba Elastic Ethernet Adaptor (cloud vNIC).
- NXP NETC switch within i.MX94.
- DPLL:
- Add operational state to pins (implement in zl3073x).
- Add generic DPLL type, for daisy-chaining DPLLs (implement in ice).
- Ethernet high-speed NICs:
- Huawei (hinic3):
- enhance tc flow offload support with queue selection, tunnels
- nVidia/Mellanox:
- avoid over-copying payload to the skb's linear part (up to 60%
win for LRO on slow CPUs like ARM64 V2)
- expose more per-queue stats over the standard API
- support additional, unprivileged PFs in the DPU configuration
- support Socket Direct (multi-PF) with switchdev offloads
- add a pool / frag allocator for DMA mapped buffers for control
objects, save memory on systems with 64kB page size
- take advantage of the ability to dynamically change RSS table
size, even when table is configured by the user
- increase the max RSS table size for even traffic distribution
- Ethernet NICs:
- Marvell/Aquantia:
- AQC113 PTP support
- Realtek USB (r8152):
- support 10Gbit Link Speeds and Energy-Efficient Ethernet (EEE)
- support firmware loaded (for RTL8157/RTL8159)
- support for the RTL8159
- Intel (ixgbe):
- support Energy-Efficient Ethernet (EEE) on E610 devices
- Ethernet switches:
- Airoha:
- support multiple netdevs on a single GDM block / port
- Marvell (mv88e6xxx):
- support SERDES of mv88e6321
- Microchip (ksz8/9):
- rework the driver callbacks to remove one indirection layer
- Motorcomm (yt921x):
- support port rate policing
- support TBF qdisc offload
- support ACL/flower offload
- nVidia/Mellanox:
- expose per-PG rx_discards
- Realtek:
- rtl8365mb: bridge offloading and VLAN support
- Ethernet PHYs:
- Airoha:
- support Airoha AN8801R Gigabit PHYs.
- Micrel:
- implement 3 low-loss cable tunables
- Realtek:
- support MDI swapping for RTL8226-CG
- support MDIO for RTL931x
- Qualcomm:
- at803x: Rx and Tx clock management for IPQ5018 PHY
- Motorcomm:
- support YT8522 100M RMII PHY
- set drive strength in YT8531s RGMII
- TI:
- dp83822: add optional external PHY clock
- Bluetooth:
- hci_sync: add support for HCI_LE_Set_Host_Feature [v2]
- SMP: use AES-CMAC library API
- Intel:
- support Product level reset
- support smart trigger dump
- Mediatek:
- add event filter to filter specific event
- Realtek:
- fix RTL8761B/BU broken LE extended scan
- WiFi:
- Broadcom (b43):
- new support for a 11n device
- MediaTek (mt76):
- support mt7927
- mt792x: broken usb transport detection
- mt7921: regulatory improvements
- Qualcomm (ath9k):
- GPIO interface improvements
- Qualcomm (ath12k):
- WDS support
- replace dynamic memory allocation in WMI Rx path
- thermal throttling/cooling device support
- 6 GHz incumbent interference detection
- channel 177 in 5 GHz
- Realtek (rt89):
- RTL8922AU support
- USB 3 mode switch for performance
- better monitor radiotap support
- RTL8922DE preparations
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Jakub Kicinski:
"Core & protocols:
- Work on removing rtnl_lock protection throughout the stack
continues. In this chapter:
- don't use rtnl_lock for IPv6 multicast routing configuration
- don't take rtnl_lock in ethtool for modern drivers
- prepare Qdisc dump callbacks for rtnl_lock removal
- Support dumping just ifindex + name of all interfaces, under RCU.
It's a common operation for Netlink CLI tools (when translating
names to ifindexes) and previously required full rtnl_lock.
- Support dumping qdiscs and page pools for a specific netdev. Even
tho user space wants a dump of all netdevs, most of the time, the
OOO programming model results in repeating the dump for each
netdev. Which, in absence of a cache, leads to a O(n^2) behavior.
- Flush nexthops once on multi-nexthop removal (e.g. when device goes
down), another O(n^2) -> O(n) improvement.
- Rehash locally generated traffic to a different nexthop on
retransmit timeout.
- Honor oif when choosing nexthop for locally generated IPv6 traffic.
- Convert TCP Auth Option to crypto library, and drop non-RFC algos.
- Increase subflow limits in MPTCP to 64 and endpoint limit to 256.
- Support MPTCP signaling of IPv6 address + port (ADD_ADDR). We need
to selectively skip reporting of the standard TCP Timestamp option,
because they won't fit into the header space together (12 + 30 >
40).
- Support using bridge neighbor suppression, Duplicate Address
Detection, Gratuitous ARP and unsolicited NA forwarding - in EVPN
deployments, e.g. VXLAN fabrics (IPv4 and IPv6).
- Improve link state reporting for upper netdevs (e.g. macvlan) over
tunnel devices (again, mostly for EVPN deployments).
- Support binding GENEVE tunnels to a local address.
- Speed up UDP tunnel destruction (remove one synchronize_rcu()).
- Support exponential field encoding in multicast (IGMPv3 and MLDv2).
- Support attaching PSP crypto offload to containers (veth, netkit).
- Add a new IPSec Netlink message XFRM_MSG_MIGRATE_STATE that allows
migrating individual IPsec SAs independently of their policies.
The existing XFRM_MSG_MIGRATE is tightly coupled to policy+SA
migration, lacks SPI for unique SA identification, and cannot
express reqid changes or migrate Transport mode selectors.
The new interface identifies the SA via SPI and mark, supports
reqid changes, address family changes, encap removal, and uses an
atomic create+install flow under x->lock to prevent SN/IV reuse
during AEAD SA migration.
- Implement GRO/GSO support for PPPoE.
- Convert sockopt callbacks in a number of protocols to iov_iter.
Cross-tree stuff:
- Remove support for Crypto TFM cloning (unblocked after the TCP Auth
Option rework). This feature regressed performance for all crypto
API users, since it changed crypto transformation objects into
reference-counted objects.
- Add FCrypt-PCBC implementation to rxrpc and remove it from the
global crypto API as obsolete and insecure.
Wireless:
- Major rework of station bandwidth handling, fixing issues with
lower capability than AP.
- Cleanups for EMLSR spec issues (drafts differed).
- More Neighbor Awareness Networking (Wi-Fi Aware) work (multicast,
schedule improvements, multi-station etc.)
- Some Ultra High Reliability (UHR) / IEEE 802.11bn (D1.4) work
(e.g. non-primary channel access, UHR DBE support).
- Fine Timing Measurement ranging (i.e. distance measurement) APIs.
Netfilter:
- Use per-rule hash initval in nf_conncount. This avoids unnecessary
lock contention with short keys (e.g. conntrack zones) in different
namespaces.
- Various safety improvements, both in packet parsing and object
lifetimes. Notably add refcounts to conntrack timeout policy.
Deletions:
- Remove TLS + sockmap integration. TLS wants to pin user pages to
avoid a copy, and sockmap wants to write to the input stream. More
work on this integration is clearly needed, and we can't find any
users (original author admitted that they never deployed it).
- Remove support for TLS offload with TCP Offload Engine (the far
more common opportunistic offload is retained). The locking looks
unfixable (driver sleeps under TCP spin locks) and people from the
vendor that added this are AWOL.
- Remove more ATM code, trying to leave behind only what PPPoATM
needs, AAL5 and br2684 with permanent circuits.
- Remove AppleTalk. Let it join hamradio in our out of tree protocol
graveyard, I mean, repository.
- Disable 32-bit x_tables compatibility (32bit binaries on 64bit
kernel) interface in user namespaces. To be deleted completely,
soon.
- Remove 5/10 MHz support from cfg80211/mac80211.
Drivers:
- Software:
- Support DEVMEM/DMABUF Tx over NETMEM_TX_NO_DMA devices (netkit)
- bonding: add knob to strictly follow 802.3ad for link state
- New drivers:
- Alibaba Elastic Ethernet Adaptor (cloud vNIC).
- NXP NETC switch within i.MX94.
- DPLL:
- Add operational state to pins (implement in zl3073x).
- Add generic DPLL type, for daisy-chaining DPLLs (implement in ice).
- Ethernet high-speed NICs:
- Huawei (hinic3):
- enhance tc flow offload support with queue selection,
tunnels
- nVidia/Mellanox:
- avoid over-copying payload to the skb's linear part (up to
60% win for LRO on slow CPUs like ARM64 V2)
- expose more per-queue stats over the standard API
- support additional, unprivileged PFs in the DPU
configuration
- support Socket Direct (multi-PF) with switchdev offloads
- add a pool / frag allocator for DMA mapped buffers for
control objects, save memory on systems with 64kB page size
- take advantage of the ability to dynamically change RSS
table size, even when table is configured by the user
- increase the max RSS table size for even traffic
distribution
- Ethernet NICs:
- Marvell/Aquantia:
- AQC113 PTP support
- Realtek USB (r8152):
- support 10Gbit Link Speeds and Energy-Efficient Ethernet
(EEE)
- support firmware loaded (for RTL8157/RTL8159)
- support for the RTL8159
- Intel (ixgbe):
- support Energy-Efficient Ethernet (EEE) on E610 devices
- Ethernet switches:
- Airoha:
- support multiple netdevs on a single GDM block / port
- Marvell (mv88e6xxx):
- support SERDES of mv88e6321
- Microchip (ksz8/9):
- rework the driver callbacks to remove one indirection layer
- Motorcomm (yt921x):
- support port rate policing
- support TBF qdisc offload
- support ACL/flower offload
- nVidia/Mellanox:
- expose per-PG rx_discards
- Realtek:
- rtl8365mb: bridge offloading and VLAN support
- Ethernet PHYs:
- Airoha:
- support Airoha AN8801R Gigabit PHYs.
- Micrel:
- implement 3 low-loss cable tunables
- Realtek:
- support MDI swapping for RTL8226-CG
- support MDIO for RTL931x
- Qualcomm:
- at803x: Rx and Tx clock management for IPQ5018 PHY
- Motorcomm:
- support YT8522 100M RMII PHY
- set drive strength in YT8531s RGMII
- TI:
- dp83822: add optional external PHY clock
- Bluetooth:
- hci_sync: add support for HCI_LE_Set_Host_Feature [v2]
- SMP: use AES-CMAC library API
- Intel:
- support Product level reset
- support smart trigger dump
- Mediatek:
- add event filter to filter specific event
- Realtek:
- fix RTL8761B/BU broken LE extended scan
- WiFi:
- Broadcom (b43):
- new support for a 11n device
- MediaTek (mt76):
- support mt7927
- mt792x: broken usb transport detection
- mt7921: regulatory improvements
- Qualcomm (ath9k):
- GPIO interface improvements
- Qualcomm (ath12k):
- WDS support
- replace dynamic memory allocation in WMI Rx path
- thermal throttling/cooling device support
- 6 GHz incumbent interference detection
- channel 177 in 5 GHz
- Realtek (rt89):
- RTL8922AU support
- USB 3 mode switch for performance
- better monitor radiotap support
- RTL8922DE preparations"
* tag 'net-next-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1778 commits)
ipv4: fib_rule: Move fib4_rules_exit() to ->exit().
net: serialize netif_running() check in enqueue_to_backlog()
net: skmsg: preserve sg.copy across SG transforms
appletalk: move the protocol out of tree
appletalk: stop storing per-interface state in struct net_device
selftests/bpf: test that TLS crypto is rejected on a sockmap socket
selftests/bpf: drop the unused kTLS program from test_sockmap
selftests/bpf: remove sockmap + ktls tests
tls: remove dead sockmap (psock) handling from the SW path
tls: reject the combination of TLS and sockmap
atm: remove orphaned uAPI for deleted drivers, protocols and SVCs
atm: remove unused ATM PHY operations
atm: remove the unused pre_send and send_bh device operations
atm: remove the unused change_qos device operation
atm: remove SVC socket support and the signaling daemon interface
atm: remove the local ATM (NSAP) address registry
atm: remove dead SONET PHY ioctls
atm: remove the unused send_oam / push_oam callbacks
atm: remove AAL3/4 transport support
net: dsa: sja1105: fix lastused timestamp in flower stats
...
|
||
|
Kuniyuki Iwashima
|
d954a67a7d |
ipv4: fib_rule: Move fib4_rules_exit() to ->exit().
syzbot reported use-after-free of net->ipv4.rules_ops. [0]
It can be reproduced with these commands:
while true; do
ip netns add ns1
ip -n ns1 link set dev lo up
ip -n ns1 address add 192.0.2.1/24 dev lo
ip -n ns1 link add name dummy1 up type dummy
ip -n ns1 address add 198.51.100.1/24 dev dummy1
ip -n ns1 rule add ipproto tcp sport 12345 table 12345
ip -n ns1 fou add port 5555 ipproto 47 local 192.0.2.1 peer 198.51.100.2 peer_port 54321
ip netns del ns1
done
The cited commit moved fib4_rules_exit() earlier to ->exit_rtnl(),
but the kernel socket destroyed in ->exit() could eventually reach
__fib_lookup().
I left fib4_rules_exit() in ->exit_rtnl() because fib4_rule_delete()
calls fib_unmerge(), which requires RTNL.
However, when ->delete() is called, ->configure() has already been
called, thus fib_unmerge() in ->delete() has no effect.
Let's remove fib_unmerge() in fib4_rule_delete() and move
fib4_rules_exit() to ->exit().
Many thanks to Ido Schimmel for providing the nice repro very quickly.
Note that we can make fib_rules_ops.delete() return void once
net-next opens.
[0]:
BUG: KASAN: slab-use-after-free in fib_rules_lookup+0x15e/0xeb0 net/core/fib_rules.c:321
Read of size 8 at addr ffff88804ec4c680 by task kworker/u8:21/12641
CPU: 0 UID: 0 PID: 12641 Comm: kworker/u8:21 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Workqueue: netns cleanup_net
Call Trace:
<TASK>
dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
print_address_description+0x55/0x1e0 mm/kasan/report.c:378
print_report+0x58/0x70 mm/kasan/report.c:482
kasan_report+0x117/0x150 mm/kasan/report.c:595
fib_rules_lookup+0x15e/0xeb0 net/core/fib_rules.c:321
__fib_lookup+0x106/0x210 net/ipv4/fib_rules.c:96
ip_route_output_key_hash_rcu+0x294/0x2720 net/ipv4/route.c:2811
ip_route_output_key_hash+0x18d/0x2a0 net/ipv4/route.c:2702
__ip_route_output_key include/net/route.h:169 [inline]
ip_route_output_flow+0x2a/0x150 net/ipv4/route.c:2929
ip4_datagram_release_cb+0x89d/0xbe0 net/ipv4/datagram.c:118
release_sock+0x206/0x260 net/core/sock.c:3861
inet_shutdown+0x2b1/0x390 net/ipv4/af_inet.c:950
udp_tunnel_sock_release+0x6d/0x80 net/ipv4/udp_tunnel_core.c:197
fou_release net/ipv4/fou_core.c:562 [inline]
fou_exit_net+0x17d/0x1f0 net/ipv4/fou_core.c:1230
ops_exit_list net/core/net_namespace.c:199 [inline]
ops_undo_list+0x43d/0x8d0 net/core/net_namespace.c:252
cleanup_net+0x572/0x810 net/core/net_namespace.c:702
process_one_work kernel/workqueue.c:3314 [inline]
process_scheduled_works+0xa8e/0x14e0 kernel/workqueue.c:3397
worker_thread+0xa47/0xfb0 kernel/workqueue.c:3478
kthread+0x389/0x470 kernel/kthread.c:436
ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
Fixes:
|
||
|
Eric Dumazet
|
46762cefe7 |
net: serialize netif_running() check in enqueue_to_backlog()
Syzbot reported a KASAN slab-use-after-free in fib_rules_lookup(). The root cause is a race condition where packets can escape the backlog flushing during device unregistration (e.g., during netns exit). Commit |
||
|
Jakub Kicinski
|
d755d45bc0 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Merge in late fixes in preparation for the net-next PR. Conflicts: net/tls/tls_sw.c |
||
|
Yiming Qian
|
406e8a651a |
net: skmsg: preserve sg.copy across SG transforms
The sk_msg sg.copy bitmap is part of the scatterlist entry ownership
state. A set bit tells sk_msg_compute_data_pointers() not to expose the
entry through writable BPF ctx->data. This protects entries backed by
pages that are not private to the sk_msg, such as splice-backed file
page-cache pages.
Several sk_msg transform paths move, copy, split, or compact
msg->sg.data[] entries without moving the matching sg.copy bit. This can
make an externally backed entry arrive at a new slot with a clear copy
bit. A later SK_MSG verdict can then expose sg_virt(sge) as writable
ctx->data and BPF stores can modify the original page cache.
Keep sg.copy synchronized with sg.data[] whenever entries are
transferred, shifted, split, or copied into a new sk_msg. Clear the bit
when an entry is replaced by a newly allocated private page or freed.
This covers the BPF pull/push/pop helpers, sk_msg_shift_left/right(),
sk_msg_xfer(), and tls_split_open_record(), including the partial tail
entry created during TLS open-record splitting.
Fixes:
|
||
|
Jakub Kicinski
|
8940a8202c |
Merge branch 'appletalk-move-the-protocol-out-of-tree'
Jakub Kicinski says: ==================== appletalk: move the protocol out of tree This tiny series moves appletalk out of tree, to: https://github.com/linux-netdev/mod-orphan Core maintainainers are unable to keep up with the rate of security bug reports and fixes. Nobody seems to care about appletalk enough to review the patches. As Eric pointed out Mac OS dropped AppleTalk over a decade ago. ==================== Link: https://patch.msgid.link/20260615222935.947233-1-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Jakub Kicinski
|
8a398a0c18 |
appletalk: move the protocol out of tree
AppleTalk has been removed in MacOS X 10.6 (Snow Leopard), in 2009, according to Wikipedia. We recently got a burst of AI generated fixes to this protocol which nobody is reviewing. Let AppleTalk follow AX.25 and hamradio out of the Linux tree. We we will maintain the code at: github.com/linux-netdev/mod-orphan for anyone interested in playing with it. Retain the uAPI for now. No strong reason, simply because I suspect keeping it will be less controversial. Acked-by: Stephen Hemminger <stephen@networkplumber.org> Link: https://patch.msgid.link/20260615222935.947233-3-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Jakub Kicinski
|
023f9b0f2f |
appletalk: stop storing per-interface state in struct net_device
AppleTalk keeps its per-interface control block (struct atalk_iface) directly in struct netdevice (dev->atalk_ptr). This is the only thing tying the protocol into the core net_device layout and is the sole blocker to moving AppleTalk out of tree. Replace dev->atalk_ptr with a small ifindex-keyed hashtable internal to ddp.c. The existing atalk_interfaces list stays the owner of the iface objects; the hashtable is purely a fast dev->iface index and reuses the same atalk_interfaces_lock. AFAICT this patch does not make this code any more racy than it already is, I'm sure Sashiko will point out some basically existing bugs. AFAICT atalk_interfaces_lock is the innermost lock already. Acked-by: Stephen Hemminger <stephen@networkplumber.org> Link: https://patch.msgid.link/20260615222935.947233-2-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Jakub Kicinski
|
ffaf896773 |
Merge branch 'tls-reject-the-combination-of-tls-and-sockmap'
Jakub Kicinski says: ==================== tls: reject the combination of TLS and sockmap There are no known TLS+sockmap users and it has some known hard to solve bugs. Let's reject this configuration as we discussed a number of times. ==================== Link: https://patch.msgid.link/20260614014102.461064-1-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Jakub Kicinski
|
5949a7cf11 |
selftests/bpf: test that TLS crypto is rejected on a sockmap socket
TLS and sockmap are mutually exclusive. We already have a test for the sockmap side rejecting kTLS, add the inverse test matching patch 1 of this series. Link: https://patch.msgid.link/20260614014102.461064-6-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Jakub Kicinski
|
6af8971d91 |
selftests/bpf: drop the unused kTLS program from test_sockmap
With the sockmap + kTLS tests gone, the BPF-side support in test_sockmap is dead: the tls_sock_map map and bpf_prog3 (which redirected skbs into it) are no longer referenced. Remove them, along with the now-unused bpf_write_pass() helper. bpf_prog3 was progs[2], so renumber the progs[] users in test_sockmap.c: the sockops program drops to progs[2] and the sk_msg tx programs to progs[3..7]. Shrink the map/prog arrays from 9 to 8 and drop the tls_sock_map entry (the last one) from map_names[] to match. Link: https://patch.msgid.link/20260614014102.461064-5-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Jakub Kicinski
|
faf89584e4 |
selftests/bpf: remove sockmap + ktls tests
The combination of sockmap and TLS is no longer supported - installing the TLS ULP on a sockmap socket (and vice versa) is now rejected. Remove the tests that exercise the combination along with their BPF program; the file covered nothing but sockmap sockets holding kTLS contexts. Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com> Link: https://patch.msgid.link/20260614014102.461064-4-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Jakub Kicinski
|
79511603a6 |
tls: remove dead sockmap (psock) handling from the SW path
TLS and sockmap are now mutually exclusive. Try to delete the code from sendmsg and recvmsg path which is now obviously dead. The main goal is to delete enough code for AI security scanners to no longer bother us with sockmap related bugs. At the same time retain the code in case someone has the cycles to fix all of this and make the integration work, again. If the integration does not get restored we can wipe the rest of the skmsg code from TLS in two or three releases. The changes on the Tx side are deeper since that's where most of the bugs are, Rx side simply takes the data from sockmap and gives it to the user. On Tx split record handling and rolling back the iterator were the two problem areas. Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com> Reviewed-by: Sabrina Dubroca <sd@queasysnail.net> Link: https://patch.msgid.link/20260614014102.461064-3-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Jakub Kicinski
|
460e648661 |
tls: reject the combination of TLS and sockmap
TLS and sockmap (BPF psock) integration hides a lot of latent bugs. Bugs which may be more or less relevant for real users but they are definitely exploitable. We could not find anyone actively using this integration so let's reject this config. Adding a TLS socket to a sockmap was already rejected by sk_psock_init() through the inet_csk_has_ulp() check. We need to reject the attempts to configure the TLS keys (rather than adding the ULP itself) because checking prior to the ULP installation is tricky without risking a race with sockmap getting added in parallel (sockmap does not hold the socket lock). This patch is a minimal rejection of the feature. Subsequent patch in the series will do a light dead code removal. Full cleanup would require a major rewrite of the Tx path, we don't need skmsg any more. Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com> Reviewed-by: Sabrina Dubroca <sd@queasysnail.net> Link: https://patch.msgid.link/20260614014102.461064-2-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Jakub Kicinski
|
e1f544466b |
Merge branch 'atm-remove-more-dead-code'
Jakub Kicinski says:
====================
atm: remove more dead code
Commit
|
||
|
Jakub Kicinski
|
8f9616500c |
atm: remove orphaned uAPI for deleted drivers, protocols and SVCs
ATM removals have left a number of uAPI headers and ioctl
definitions with no in-kernel implementation behind them:
- device headers for adapters deleted with the legacy PCI/SBUS drivers:
atm_eni.h, atm_he.h, atm_idt77105.h, atm_nicstar.h, atm_zatm.h and
the atmtcp pair atm_tcp.h / <linux/atm_tcp.h>
- protocol headers for the removed CLIP, LANE and MPOA stacks:
atmarp.h, atmclip.h, atmlec.h, atmmpc.h
- atmsvc.h and the SVC / p2mp / local-address ioctls in atmdev.h
(ATM_{GET,RST,ADD,DEL}ADDR, ATM_{ADD,DEL,GET}LECSADDR,
ATM_{ADD,DROP}PARTY) left behind by the SVC and address-registry
removals
None of these are referenced by any remaining in-tree code.
Let's try to delete all this. Chances are nobody cares about
these headers any more. I'm keeping this separate from the
kernel side code changes for ease of revert, in case I am
proven wrong...
Link: https://patch.msgid.link/20260615194416.752559-10-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
||
|
Jakub Kicinski
|
e44e224e2f |
atm: remove unused ATM PHY operations
The PHY operations are vestiges of the SAR/framer split used by the removed PCI/SBUS ATM adapters: - atmdev_ops::phy_put / ::phy_get (register accessors) are never called by the core and solos-pci only listed them as NULL - struct atmphy_ops and atm_dev::phy have no users at all - nothing assigns or dereferences them Remove all of them. atm_dev::phy_data is kept: solos-pci repurposes it to stash its per-port channel index. Link: https://patch.msgid.link/20260615194416.752559-9-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Jakub Kicinski
|
ae6e653514 |
atm: remove the unused pre_send and send_bh device operations
atmdev_ops::pre_send (a TX pre-processing hook) and ::send_bh (a bottom-half capable send variant) have no implementation behind them: no remaining ATM driver sets either, so vcc_sendmsg() always skipped pre_send and the raw AAL0/AAL5 paths always fell back to ->send(). The drivers that used these hooks were removed with the legacy ATM adapters. Drop both operations and the dead branches that tested for them. Link: https://patch.msgid.link/20260615194416.752559-8-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Jakub Kicinski
|
6719d57ee0 |
atm: remove the unused change_qos device operation
atmdev_ops::change_qos() was the hook for renegotiating the traffic parameters of an already-connected VCC, driven from SO_ATMQOS on a connected socket (and previously from the SVC as_modify path, now gone). None of the ATM drivers left in tree implement it - solos-pci only listed change_qos = NULL - so atm_change_qos() always returned -EOPNOTSUPP. Drop the operation and return -EOPNOTSUPP directly. Link: https://patch.msgid.link/20260615194416.752559-7-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Jakub Kicinski
|
aa582dc25a |
atm: remove SVC socket support and the signaling daemon interface
ATM switched virtual circuits (SVCs) are set up and torn down by a user-space signaling daemon (atmsigd) which the kernel talks to over a dedicated "sigd" socket: the kernel marshals Q.2931-style requests (as_connect, as_listen, as_accept, as_close, ...) to the daemon and applies the results to PF_ATMSVC sockets. This is the machinery behind classical SVC use and was the foundation for LANE / MPOA, all of which have been removed. DSL deployments do not use any of this. PPPoATM and BR2684 run over permanent virtual circuits (PF_ATMPVC) with a statically configured VPI/VCI; no atmsigd, no Q.2931. Neither remaining ATM driver (solos-pci, the USB DSL modems) is reachable through the SVC path. Remove the SVC socket family and the signaling interface: - delete net/atm/svc.c, net/atm/signaling.c and signaling.h - drop atmsvc_init()/atmsvc_exit() and the PF_ATMSVC registration and module alias - drop the ATMSIGD_CTRL ioctl (sigd_attach) and the /proc/net/atm/svc file - fold the SVC branch out of atm_change_qos(); all sockets are PVCs now The obsolete ATM_SETSC ioctl stub is left in place (it already just warns and returns 0), as is the struct atm_vcc SVC bookkeeping shared with the queueing layer. Link: https://patch.msgid.link/20260615194416.752559-6-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Jakub Kicinski
|
a5a12d76d2 |
atm: remove the local ATM (NSAP) address registry
net/atm/addr.c maintained the per-device lists of local NSAP addresses
(dev->local) and ILMI-learned LECS addresses (dev->lecs). These exist
solely to serve SVC signaling: the lists are populated through the
ATM_{ADD,DEL,RST}ADDR / ATM_{ADD,DEL,GET}LECSADDR ioctls used by the
atmsigd / ILMI daemons, and consumed when registering addresses with the
signaling daemon. The LECS list belonged to LAN Emulation, which has
been removed.
With no SVC users in a DSL-only configuration these lists are always
empty, so drop the registry entirely:
- remove the ADDR/LECSADDR/RSTADDR ioctls
- drop the now-always-empty "atmaddress" sysfs attribute
- remove the dev->local / dev->lecs lists, structs and enums
- delete net/atm/addr.c and net/atm/addr.h
The device ESI ("MAC" address) and its ATM_{G,S}ETESI ioctls and
"address" sysfs attribute are retained - the USB DSL modems populate
the ESI.
Link: https://patch.msgid.link/20260615194416.752559-5-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
||
|
Jakub Kicinski
|
277fb497d1 |
atm: remove dead SONET PHY ioctls
The SONET_* ioctls are SONET/SDH PHY controls that atm_dev_ioctl() and the compat path only ever forwarded to the driver's ->ioctl() handler. The PHY drivers that implemented them (the S/UNI library and the framers on the removed PCI/SBUS adapters) are gone, and neither surviving driver services them: solos-pci has no ->ioctl, and usbatm handles only ATM_QUERYLOOP. They now uniformly return an error regardless. Drop the SONET compat passthrough and the SONET cases in atm_dev_ioctl(), along with the now-unused linux/sonet.h includes. The SONET_* uAPI definitions are untouched. Link: https://patch.msgid.link/20260615194416.752559-4-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Jakub Kicinski
|
b20aa9eded |
atm: remove the unused send_oam / push_oam callbacks
The atmdev_ops::send_oam device operation and the atm_vcc::push_oam callback were the kernel's interface for raw F4/F5 OAM cell exchange. Nothing assigns them a non-NULL value and nothing ever invokes them: the core only ever initialises push_oam to NULL (in vcc_create() and the AAL init helpers) and the Solos driver only lists send_oam = NULL for documentation. The drivers that actually drove OAM through these hooks were removed along with the legacy ATM adapters. Drop both callbacks and the NULL initialisers. Link: https://patch.msgid.link/20260615194416.752559-3-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Jakub Kicinski
|
c1468145ce |
atm: remove AAL3/4 transport support
AAL3/4 is an obsolete connection-oriented ATM adaptation layer that has seen no real use since the SMDS-era hardware it was designed for (90s?). We are only maintaining ATM support in-tree to keep PPPoATM running, and PPPoATM runs over AAL5. Drop the "raw" AAL3/4 transport (atm_init_aal34()) and the ATM_AAL34 cases in the connect and traffic-parameter paths. A vcc_connect() with qos.aal == ATM_AAL34 now fails with -EPROTOTYPE. uAPI cleanup is performed later, separately. Link: https://patch.msgid.link/20260615194416.752559-2-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Linus Torvalds
|
6b5a2b7d9b |
RTLA patches for v7.2
- Fix discrepancy in --dump-tasks option Due to a mistake, rtla-timerlat-hist used the CLI syntax "--dump-task" instead of the documented "--dump-tasks". Change the option to match both documentation and the other timerlat tool, rtla-timerlat-top. - Extend coverage of runtime tests Cover both top and hist tools in all applicable test cases, add tests for a few uncovered options, and extend checks for some existing tests. - Add unit tests for actions rtla's actions feature is implemented in its source file and contains non-trivial parsing logic. Cover it with unit tests. - Stop record trace on interrupt Fix a bug where an interval exists after receiving a signal in which the main instance is stopped but the record instance is not, leading to discrepancies in reported results and sometimes rtla hanging. - Restore continue flag in actions_perform() Fix a bug where rtla always continues tracing after hitting a threshold even if the continue action was triggered just once, and add tests verifying that the flag is reset properly. - Migrate command line interface to libsubcmd Replace rtla's argument parsing using getopt_long() with libsubcmd, used by perf and objtool, to reuse existing code and auto-generate better help messages. Extensive unit tests are included to detect regressions. - Add -A/--aligned option to timerlat tools Add an option to align timerlat threads, based on the recently introduced TIMERLAT_ALIGN option of the timerlat tracer, together with unit tests and documentation. - Document tests in README Document how to run unit and runtime tests in rtla's README.txt, including the dependencies needed to run them. -----BEGIN PGP SIGNATURE----- iIoEABYKADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCajBedhQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qoCyAQCdWOebZIJmDbuIPaJFXNlpF0JWg6ly /1fHtM/TXA9l3gD+P4RrfWqwNzk1B1/jOfTma6kpIVW3rIWE+Kts1X3Dswk= =4CXs -----END PGP SIGNATURE----- Merge tag 'trace-tools-v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull RTLA tool updates from Steven Rostedt: - Fix discrepancy in --dump-tasks option Due to a mistake, rtla-timerlat-hist used the CLI syntax "--dump-task" instead of the documented "--dump-tasks". Change the option to match both documentation and the other timerlat tool, rtla-timerlat-top. - Extend coverage of runtime tests Cover both top and hist tools in all applicable test cases, add tests for a few uncovered options, and extend checks for some existing tests. - Add unit tests for actions rtla's actions feature is implemented in its source file and contains non-trivial parsing logic. Cover it with unit tests. - Stop record trace on interrupt Fix a bug where an interval exists after receiving a signal in which the main instance is stopped but the record instance is not, leading to discrepancies in reported results and sometimes rtla hanging. - Restore continue flag in actions_perform() Fix a bug where rtla always continues tracing after hitting a threshold even if the continue action was triggered just once, and add tests verifying that the flag is reset properly. - Migrate command line interface to libsubcmd Replace rtla's argument parsing using getopt_long() with libsubcmd, used by perf and objtool, to reuse existing code and auto-generate better help messages. Extensive unit tests are included to detect regressions. - Add -A/--aligned option to timerlat tools Add an option to align timerlat threads, based on the recently introduced TIMERLAT_ALIGN option of the timerlat tracer, together with unit tests and documentation. - Document tests in README Document how to run unit and runtime tests in rtla's README.txt, including the dependencies needed to run them. * tag 'trace-tools-v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: (26 commits) rtla: Document tests in README Documentation/rtla: Add -A/--aligned option rtla/tests: Add unit tests for -A/--aligned option rtla/timerlat: Add -A/--aligned CLI option rtla/tests: Add unit tests for CLI option callbacks rtla/tests: Add unit tests for _parse_args() functions rtla: Parse cmdline using libsubcmd tools subcmd: allow parsing distinct --opt and --no-opt tools subcmd: support optarg as separate argument rtla: Add libsubcmd dependency rtla/tests: Add runtime tests for restoring continue flag rtla/tests: Run runtime tests in temporary directory rtla/tests: Add unit test for restoring continue flag rtla/actions: Restore continue flag in actions_perform() rtla: Stop the record trace on interrupt rtla/tests: Add unit tests for actions module rtla/tests: Add runtime tests for -C/--cgroup rtla/tests: Add runtime test for -k and -u options rtla/tests: Add runtime test for -H/--house-keeping rtla/tests: Cover all hist options in runtime tests ... |
||
|
Linus Torvalds
|
c071a4fbb0 |
tracing latency updates for 7.2:
- Dump the stack to the buffer on timerlat uret threashold event Record the stack trace in the buffer for THREAD_URET as well as THREAD_CONTEXT when the threshold is hit. Otherwise, if the threshold was not hit at task wakeup, but was at task return, it will not produce a stack trace making it harder to debug. - Have osnoise trace prints print to all buffers The osnoise tracer is allowed to print to the main buffer. Add a osnoise_print() helper function and use trace_array_vprintk() to print osnoise output. -----BEGIN PGP SIGNATURE----- iIoEABYKADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCajDrBBQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qgpwAQDmFBFP3dU6LiGp6U3UTYauAApah401 zXfmNxbGFO5rmwEAxIHCzoG3OZgrjrYhrkW9qBZDho7+1Frt7vphK71fYAE= =0ayh -----END PGP SIGNATURE----- Merge tag 'trace-latency-v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull tracing latency updates from Steven Rostedt: - Dump the stack to the buffer on timerlat uret threashold event Record the stack trace in the buffer for THREAD_URET as well as THREAD_CONTEXT when the threshold is hit. Otherwise, if the threshold was not hit at task wakeup, but was at task return, it will not produce a stack trace making it harder to debug. - Have osnoise trace prints print to all buffers The osnoise tracer is allowed to print to the main buffer. Add a osnoise_print() helper function and use trace_array_vprintk() to print osnoise output. * tag 'trace-latency-v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: tracing/osnoise: Array printk init and cleanup tracing/osnoise: Dump stack on timerlat uret threshold event |
||
|
Linus Torvalds
|
18ecdd4d0a |
Probes updates for v7.2
- eprobes: BTF support for dereferencing pointers
. tracing/eprobes: Allow use of BTF names to dereference pointers. Add syntax
to the parsing of eprobes to typecast structure pointer trace event fields,
enabling BTF-based dereferencing instead of relying on manual offsets.
- probes: Improvements and robustness enhancements
. tracing: Use flexible array for entry fetch code. Store probe entry fetch
instructions in the probe_entry_arg allocation via a flexible array
member to simplify memory allocation and lifetime management.
. tracing: Replace BUG_ON with lockdep_assert_held in uprobe_buffer functions.
Replace BUG_ON() calls with lockdep_assert_held() in uprobe buffer
enable/disable paths to prevent kernel crashes and better verify lock ownership.
. tracing/probes: Ensure the uprobe buffer size is bigger than event size.
Add a BUILD_BUG_ON() assertion to guarantee that the per-CPU uprobe
working buffer size is always larger than the maximum probe event size.
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Merge tag 'probes-v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull probes updates from Masami Hiramatsu:
- BTF support for dereferencing pointers
Add syntax to the parsing of eprobes to typecast structure pointer
trace event fields, enabling BTF-based dereferencing instead of
relying on manual offsets.
- Improvements and robustness enhancements
- Use flexible array for entry fetch code.
Store probe entry fetch instructions in the probe_entry_arg
allocation via a flexible array member to simplify memory
allocation and lifetime management.
- Replace BUG_ON with lockdep_assert_held in uprobe_buffer functions
Replace BUG_ON() calls with lockdep_assert_held() in uprobe buffer
enable/disable paths to prevent kernel crashes and better verify
lock ownership.
- Ensure the uprobe buffer size is bigger than event size.
Add a BUILD_BUG_ON() assertion to guarantee that the per-CPU
uprobe working buffer size is always larger than the maximum probe
event size.
* tag 'probes-v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tracing/eprobes: Allow use of BTF names to dereference pointers
tracing: Replace BUG_ON with lockdep_assert_held in uprobe_buffer functions
tracing: Use flexible array for entry fetch code
tracing/probes: Ensure the uprobe buffer size is bigger than event size
|
||
|
Linus Torvalds
|
4f7e89065e |
Bootconfig updates for v7.2
- bootconfig: Render kernel subtree as cmdline string at build time
. bootconfig: move xbc_snprint_cmdline() to lib/bootconfig.c. Move the
xbc_snprint_cmdline() function and its buffer from main.c to the shared
lib/bootconfig.c parser library so it can be reused by userspace tools.
. tools/bootconfig: render kernel.* subtree as cmdline string with -C. Add a
new -C option to print the kernel.* subtree as a flat command-line string
at build time, allowing early parameter injection without runtime parsing.
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Merge tag 'bootconfig-v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull bootconfig updates from Masami Hiramatsu:
- bootconfig: move xbc_snprint_cmdline() to lib/bootconfig.c
Move the xbc_snprint_cmdline() function and its buffer from
main.c to the shared lib/bootconfig.c parser library so it
can be reused by userspace tools.
- render kernel.* subtree as cmdline string with -C
Add a new -C option to print the kernel.* subtree as a flat
command-line string at build time, allowing early parameter
injection without runtime parsing.
* tag 'bootconfig-v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tools/bootconfig: render kernel.* subtree as cmdline string with -C
bootconfig: move xbc_snprint_cmdline() to lib/bootconfig.c
|
||
|
Linus Torvalds
|
8b308f9648 |
linux_kselftest-next-7.2-rc1
Several fixes and improvements to resctrl test and a change to kselftest document to clarify the use of FORCE_TARGETS build variable. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEPZKym/RZuOCGeA/kCwJExA0NQxwFAmowRGcACgkQCwJExA0N QxwC7xAA5yoSyEiXOkeR/P5/NGzKTkEMnt8mQUQYRGkYCR8yt8dnD9n8OeF+vH8I bTu+6vc4YPUOnvEBvrZ/eUBlC7ZX/GZIxwlZ4dRkNeze/5CThtAJCUdVB4Mc76fU UNskE6mXeZERAeVN6WLm5hwGepJqItWc7UnGyABIzhby92TloyZQMrK84zo/H0Xj q4nIN8FNbNdaeHAlrFur/4xDbQRnHFKzyXdw8onkM0ApHrU2+paETo/vuiJCFe/3 89USFXFOGfJdVEbr0iTciIeoeRGd94WWaPSdzAF9xMAnOmKoFKkDewkPldoUT6oT S8PtFMZKWImUtjUWK3VLbDIPf/c+I6vI4w2RT58N3OXG0UwklYLV9qB6wcZCltjz HN9JGIaqwAEmilvtEO9KFNXz8G1zcX0XfDDBLMxeWvYZJURld2fBiUrI8PAwEiZe qIUjMbmRGDBs0QqG5hzuqm5CPwbVVeIi01eLSTlclGYGr3tWnXZ/L72nqFLMaPoJ afGaZxYs8NmpN701cSwLhNXliqk9rxcucrLb+jyysBJJD8BfcdybqjHd1NRw9dfn yevqdbkjPNhLYtPX54U298fb+UCFjxPBV2IwMoojTH3qfNg5Jr5OyY5ry/69nzIR O4p8OrJyIJXDqep2i3nsuCev6xKPAsy59yMMXl1yYl9sOMk7j+s= =FpFT -----END PGP SIGNATURE----- Merge tag 'linux_kselftest-next-7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull kselftest updates from Shuah Khan: "Several fixes and improvements to resctrl tests and a change to kselftest document to clarify the use of FORCE_TARGETS build variable" * tag 'linux_kselftest-next-7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: kselftest: fix doc for ksft_test_result_report() selftests/resctrl: Reduce L2 impact on CAT test selftests/resctrl: Simplify perf usage in CAT test selftests/resctrl: Remove requirement on cache miss rate selftests/resctrl: Raise threshold at which MBM and PMU values are compared selftests/resctrl: Increase size of buffer used in MBM and MBA tests selftests/resctrl: Support multiple events associated with iMC selftests/resctrl: Prepare for parsing multiple events per iMC selftests/resctrl: Do not store iMC counter value in counter config structure selftests/resctrl: Reduce interference from L2 occupancy during cache occupancy test selftests/resctrl: Improve accuracy of cache occupancy test docs: kselftest: Document the FORCE_TARGETS build variable |
||
|
Linus Torvalds
|
42eb3a5ef6 |
linux_kselftest-kunit-7.2-rc1
Fixes to tool and kunit core and new features to both to support JUnit XML (primitive) and backtrace suppression API: - bug/kunit: Core support for suppressing warning backtraces - kunit: tool: Parse and print the reason tests are skipped - kunit: tool: Add (primitive) support for outputting JUnit XML - kunit:tool: Don't write to stdout when it should be disabled - kunit: Add backtrace suppression self-tests - drm: Suppress intentional warning backtraces in scaling unit tests - kunit: Add documentation for warning backtrace suppression API - kunit: Fix spelling mistakes in comments and messages - gen_compile_commands: Ignore libgcc.a - kunit: qemu_configs: Add or1k / openrisc configuration -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEPZKym/RZuOCGeA/kCwJExA0NQxwFAmowHNQACgkQCwJExA0N QxxjdQ/+MibsF3MON3LIOPC2/p23zoAv+jDkw4gxYWC3L9Wh3gqsZLUuYwyGc8Xn hO9xN7PEXressO4kukveWYnNtt//aXL3gnZ6Zysbt/BCO73LPxy1IGITDFL58ZVT F12ym07VsbqQIHMXR+ANJfxCE8RuaPzdkSW635sLQAhpB5W1Fb51XXfStbLswrVN iX8XNnOYGjBES8nDiwFKPCtgwvp19XN4B51iSo3XWU8nhcrrBxrk0ToWfyQVwEA0 T87hRL81cHLH4WREw1lwEVQ+lRY5WGBwQsKB2JFmI3HaTwcHbNY8p1sa/YARspmY LFCRLZu/KLio0a4ZxaVq690JCeQ2osgBhCvF9B/sxtc90/kYM5QycpnmpdgyPBZq v0vEnFBG7nAj1epHvmt/S2z11oTpdDbkuTZIEDvW/wsI82wbB6kAkzMY30BRitSJ E+RLZxTtSIovI44BgFVFypVWRa2XMaCKL2+GGZoIJiGUwCeJZSTs1nKtnkhYuhel daHosU85uB6GFnKE1L8LVJ+Vii+iOZUXN9F4B+2vCJ+eXm/0t85yIm5zEmTpKvNu sS8c3KRIkK5kSRitKJtUpiuxUQtPaJCA/w2B9FdPx5+yHmHa+Em3JUn8ZuM1ZRem lNIy1b0gM+kJvGT8ZN1eNDSwrHrC+cJ3RI4AeBYPcJ2ECnFvTYI= =nc4g -----END PGP SIGNATURE----- Merge tag 'linux_kselftest-kunit-7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull kunit updates from Shuah Khan: "Fixes to tool and kunit core and new features to both to support JUnit XML (primitive) and backtrace suppression API: - Core support for suppressing warning backtraces - Parse and print the reason tests are skipped - Add (primitive) support for outputting JUnit XML - Don't write to stdout when it should be disabled - Add backtrace suppression self-tests - Suppress intentional warning backtraces in scaling unit tests - Add documentation for warning backtrace suppression API - Fix spelling mistakes in comments and messages - gen_compile_commands: Ignore libgcc.a - qemu_configs: Add or1k / openrisc configuration" * tag 'linux_kselftest-kunit-7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: kunit:tool: Don't write to stdout when it should be disabled kunit: tool: Add (primitive) support for outputting JUnit XML kunit: tool: Parse and print the reason tests are skipped kunit: Add documentation for warning backtrace suppression API drm: Suppress intentional warning backtraces in scaling unit tests kunit: Add backtrace suppression self-tests bug/kunit: Core support for suppressing warning backtraces kunit: Fix spelling mistakes in comments and messages kunit: qemu_configs: Add or1k / openrisc configuration gen_compile_commands: Ignore libgcc.a |
||
|
Linus Torvalds
|
b1cbabe84c |
- small cleanups in dm-vdo, dm-raid, dm-cache, dm-zoned-metadata
- rework of dm-ima - introduce dm-inlinecrypt - fix wrong return value in dm-ioctl - fix rcu stall when polling -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQRnH8MwLyZDhyYfesYTAyx9YGnhbQUCajAXChQcbXBhdG9ja2FA cmVkaGF0LmNvbQAKCRATAyx9YGnhbaiMAP9WzwyH3Y/cOdpdFoqqPi7IsXZisJPo rFiAVL4rOgF3kQD/RRp5dkn4iKSYovjZr3+i6a7srxIkpfDEf4kP2mOJBAk= =2jnV -----END PGP SIGNATURE----- Merge tag 'for-7.2/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm Pull device mapper updates from Mikulas Patocka: - small cleanups in dm-vdo, dm-raid, dm-cache, dm-zoned-metadata - rework of dm-ima - introduce dm-inlinecrypt - fix wrong return value in dm-ioctl - fix rcu stall when polling * tag 'for-7.2/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: dm-zoned-metadata: Use strscpy() to copy device name dm cache: make smq background work limit configurable dm-inlinecrypt: add support for hardware-wrapped keys dm: limit target bio polling to one shot dm-ioctl: report an error if a device has no table dm: add documentation for dm-inlinecrypt target dm-inlinecrypt: add target for inline block device encryption block: export blk-crypto symbols required by dm-inlinecrypt dm-ima: use active table's size if available dm-ima: Fail more gracefully in dm_ima_measure_on_* dm-ima: Handle race between rename and table swap dm-ima: Fix issues with dm_ima_measure_on_device_rename dm-ima: remove new_map from dm_ima_measure_on_device_clear dm-ima: Fix UAF errors and measuring incorrect context dm-ima: don't copy the active table to the inactive table dm-ima: Remove status_flags from dm_ima_measure_on_table_load() dm-ima: remove broken last_target_measured logic dm-ima: remove dm_ima_reset_data() dm-raid: only requeue bios when dm is suspending dm vdo: use get_random_u32() where appropriate |
||
|
Linus Torvalds
|
ba9c792c82 |
for-7.2/block-20260615
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Merge tag 'for-7.2/block-20260615' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull block updates from Jens Axboe:
- NVMe pull request via Keith:
- Per-controller admin and IO timeout sysfs attributes, and
letting the block layer set request timeouts (Maurizio,
Maximilian)
- Multipath passthrough iostats, and PCI P2PDMA enablement for
multipath devices (Keith, Kiran)
- A new diag sysfs attribute group exporting per-controller
counters (retries, multipath failover, error counters, requeue
and failure counts, reset and reconnect events) (Nilay)
- FDP configuration validation and bounds check fixes (liuxixin)
- Various nvmet fixes, including a pre-auth out-of-bounds read in
the Discovery Get Log Page handler, auth payload bounds
validation, and tcp error-path leak fixes (Bryam, Tianchu,
Geliang)
- nvme-tcp lockdep and workqueue fixes (Shin'ichiro, Kuniyuki,
Eric)
- Assorted other fixes and cleanups (John, Yao, Chao, Mateusz,
Achkinazi, Wentao)
- MD pull request via Yu Kuai:
- raid1/raid10 fixes for a deadlock in the read error recovery
path, error-path detection and bio accounting with cloned bios,
and an nr_pending leak in the REQ_ATOMIC bad-block error path
(Abd-Alrhman)
- PCI P2PDMA propagation from member devices to the RAID device
(Kiran)
- dm-raid bio requeue fix, and various smaller fixes and cleanups
(Benjamin, Chen, Li, Thorsten)
- Enable Clang lock context analysis for the block layer, with the
accompanying annotations across queue limits, the blk_holder_ops
callbacks, crypto, cgroup, iocost, kyber and mq-deadline (Bart)
- Block status code infrastructure work: a tagged status table, a
str_to_blk_op() helper, a bio_endio_status() helper, and on top of
that a new configurable block-layer error injection facility
(Christoph)
- DRBD netlink rework, replacing the genl_magic machinery with explicit
netlink serialization and moving the DRBD UAPI headers to
include/uapi/linux/ (Christoph Böhmwalder)
- bvec improvements: a bvec_folio() helper and making the bvec_iter
helpers proper inline functions (Willy, Christoph)
- ublk cleanups and a canceling-flag fix for the disk-not-allocated
case (Caleb, Ming)
- Partition handling fixes: bound the AIX pp_count scan, fix an of_node
refcount leak, and replace __get_free_page() with kmalloc() (Bryam,
Wentao, Mike)
- Convert numa_node to int in blk_mq_hw_ctx and ->init_request, and add
WQ_PERCPU to the block workqueue users (Mateusz, Marco)
- Block statistics and tracing: propagate in-flight to the whole disk
on partition IO, export passthrough stats, and a new
block_rq_tag_wait tracepoint (Tang, Keith, Aaron)
- A round of removals, unexports and cleanups across bio, direct-io and
the bvec helpers (Christoph)
- Various driver fixes (mtip32xx use-after-free, rbd snap_count
validation and strscpy conversion, nbd socket lockdep reclassify,
virtio-blk zone report clamp, floppy) and a batch of MAINTAINERS
email/list updates (Coly, Li, Yu, Christoph Böhmwalder)
- Other little fixes and cleanups all over
* tag 'for-7.2/block-20260615' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux: (117 commits)
MAINTAINERS: Update Coly Li's email address
block: check bio split for unaligned bvec
nbd: Reclassify sockets to avoid lockdep circular dependency
block: add configurable error injection
block: add a str_to_blk_op helper
block: add a "tag" for block status codes
block: add a macro to initialize the status table
floppy: Drop unused pnp driver data
block: propagate in_flight to whole disk on partition I/O
virtio-blk: clamp zone report to the report buffer capacity
block: optimize I/O merge hot path with unlikely() hints
drivers/block/rbd: Use strscpy() to copy strings into arrays
partitions: aix: bound the pp_count scan to the ppe array
block: Enable lock context analysis
block/mq-deadline: Make the lock context annotations compatible with Clang
block/Kyber: Make the lock context annotations compatible with Clang
block/blk-mq-debugfs: Improve lock context annotations
block/blk-iocost: Inline iocg_lock() and iocg_unlock()
block/blk-iocost: Split ioc_rqos_throttle()
block/crypto: Annotate the crypto functions
...
|
||
|
Linus Torvalds
|
9b40ba14ed |
for-7.2/io_uring-20260615
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||
|
Linus Torvalds
|
d29fd593e6 |
hfs/hfsplus updates for v7.2
- hfs: rework hfsplus_readdir() logic
- hfs: disable the updating of file access times (atime)
- hfs: fix incorrect inode ID assignment in hfs_new_inode()
- hfsplus: rework hfsplus_readdir() logic
- hfs/hfsplus: zero-initialize buffer in hfs_bnode_read
- hfs/hfsplus: fix u32 overflow in check_and_correct_requested_length
- hfsplus: Add a sanity check for btree node size
- hfsplus: fix issue of direct writes beyond end-of-file
- hfs/hfxplus: use kzalloc_flex()
- hfsplus: Remove the duplicate attr inode dirty marking action
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Merge tag 'hfs-v7.2-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/vdubeyko/hfs
Pull hfs/hfsplus updates from Viacheslav Dubeyko:
"Several fixes in HFS/HFS+ of syzbot reported issues and HFS//HFS+
fixes of xfstests failures.
- fix a null-ptr-deref issue reported by syzbot (Edward Adam Davis)
If the attributes file is not loaded during system mount
hfsplus_create_attributes_file can dereference a NULL pointer.
Also, add a b-tree node size check in hfs_btree_open() with the
goal to prevent an uninit-value bug reported by syzbot for the case
of corrupted HFS+ image.
- fix __hfs_bnode_create() by using kzalloc_flex() instead of
kzalloc() (Rosen Penev)
- fix early return in hfs_bnode_read() (Tristan Madani)
hfs_bnode_read() can return early without writing to the output
buffer when is_bnode_offset_valid() fails or when
check_and_correct_requested_ length() corrects the length to zero.
Callers such as hfs_bnode_read_ u16() and hfs_bnode_read_u8() pass
stack-allocated buffers and use the result unconditionally, leading
to KMSAN uninit-value reports.
The rest fix (1) generic/637, generic/729 issue for the case of HFS+
file system, (2) generic/003, generic/637 for the case of HFS file
system"
* tag 'hfs-v7.2-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/vdubeyko/hfs:
hfs: rework hfsplus_readdir() logic
hfs: disable the updating of file access times (atime)
hfs: fix incorrect inode ID assignment in hfs_new_inode()
hfsplus: rework hfsplus_readdir() logic
hfs/hfsplus: zero-initialize buffer in hfs_bnode_read
hfs/hfsplus: fix u32 overflow in check_and_correct_requested_length
hfsplus: Add a sanity check for btree node size
hfsplus: fix issue of direct writes beyond end-of-file
hfs/hfxplus: use kzalloc_flex()
hfsplus: Remove the duplicate attr inode dirty marking action
|
||
|
Linus Torvalds
|
6f60a6033c |
nilfs2 updates for v7.2
- nilfs2: Fix return in nilfs_mkdir
- nilfs2: fix backing_dev_info reference leak
- nilfs2: reject CLEAN_SEGMENTS ioctl with out-of-range segment numbers
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Merge tag 'nilfs2-v7.2-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/vdubeyko/nilfs2
Pull nilfs2 updates from Viacheslav Dubeyko:
"Fixes of syzbot reported issue and various small fixes in NILFS2
functionality.
- fix hung task in nilfs_transaction_begin() (Deepanshu Kartikey)
Reported by syzbot. The root cause is that user-supplied segment
numbers were not validated before nilfs_clean_segments() began
doing work; the range check on each segnum was performed deep
inside the call chain by nilfs_sufile_updatev(), which emits a
nilfs_warn() per invalid entry while still holding the segctor lock
and the sufile mi_sem.
Fix it by validating the contents of kbufs[4] in
nilfs_clean_segments() immediately after acquiring ns_segctor_sem
via nilfs_transaction_lock().
- fix a smatch warning in nilfs_mkdir() warn (Hongling Zeng)
This corrects a semantic issue related to the use of the
ERR_PTR macro that arose from a recent VFS change.
- fix a backing_dev_info reference leak (Shuangpeng Bai)
setup_bdev_super() initializes sb->s_bdev and takes a reference on
the block device backing_dev_info when assigning sb->s_bdi.
nilfs_fill_super() takes another reference to the same
backing_dev_info and stores it in sb->s_bdi again. The extra
reference is not paired with a matching bdi_put(), since
generic_shutdown_super() releases sb->s_bdi only once.
Drop the redundant bdi_get() in nilfs_fill_super(). The single
reference taken by setup_bdev_super() is enough and is released
during superblock shutdown"
* tag 'nilfs2-v7.2-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/vdubeyko/nilfs2:
nilfs2: Fix return in nilfs_mkdir
nilfs2: fix backing_dev_info reference leak
nilfs2: reject CLEAN_SEGMENTS ioctl with out-of-range segment numbers
|
||
|
Linus Torvalds
|
31b706da2c |
for-7.2-tag
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Merge tag 'for-7.2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs updates from David Sterba:
"The most noticeable change is to enable large folios by default, it's
been in testing for a few releases. Related to that is huge folio
support (still under experimental config). Otherwise a few ioctl
updates, performance improvements and usual fixes and core changes.
User visible changes:
- enable large folios by default, added in 6.17 (under experimental
build), no feature limitations, a big change internally
- new ioctl to return raw checksums to userspace (a bit tricky given
compression and tail extents), can be used for mkfs and
deduplication optimizations
- provide stable UUID for e.g. overlayfs and temp_fsid, also
reflected in statvfs() field f_fsid, internal dev_t is hashed in to
allow cloning
- add 32bit compat version of GET_SUBVOL_INFO ioctl
- in experimental build, support huge folios (up to 2M)
Performance related improvements/changes:
- limit bio size to the estimated optimum derived from the queue,
this prevents build up of too much data for writeback, which could
cause latency spikes (reported improvement 15% on sequential
writes)
- don't force direct IO to be serialized, forgotten change during
mount API port, brings back +60% of throughput
- lockless calculation of number of shrinkable extent maps, improve
performance with many memcg allocated objects
Notable fixes:
- in zoned mode, fix a deadlock due to zone reclaim and relocation
when space needs to be flushed
- don't trim device which is internally not tracked as writeable
(e.g. when missing device is being rescanned)
- fix deadlock when cloning inline extent and mounted with
flushoncommit
- fix false IO failures after direct IO falls back to buffered write
in some cases
Core:
- remove COW fixup mechanism completely; detect and fix changes to
pages outside of filesystem tracking, guaranteed since 5.8, grace
period is over
- remove 2K block size support, experimental to test subpage code on
x86_64 but now it would block folio changes
- tree-checker improvements of:
- free-space cache and tree items
- root reference and backref items
- extent state exceptions in reloc tree
- subpage mode updates:
- code optimizations, simplify tracking bitmaps
- re-enable readahead of compressed extent
- extend bitmap size to cover huge folios
- add tracepoints related to sync, tree-log and transactions
- device stats item tracking unification, remove item if there are no
stats recorded, also don't leave stale stats on replaced device
- allow extent buffer pages to be allocated as movable, to help page
migration
- added checks for proper extent buffer release
- btrfs.ko code size reduction due to transaction abort call
simplifications
- several struct size reductions
- more auto free conversions
- more verbose assertions"
* tag 'for-7.2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (130 commits)
btrfs: fix use-after-free after relocation failure with concurrent COW
btrfs: move WARN_ON on unexpected error in __add_tree_block()
btrfs: move locking into btrfs_get_reloc_bg_bytenr()
btrfs: lzo: reject compressed segment that overflows the compressed input
btrfs: retry faulting in the pages after a zero sized short direct write
btrfs: fix incorrect buffered IO fallback for append direct writes
btrfs: fix false IO failure after falling back to buffered write
btrfs: use verbose assertions in backref.c
btrfs: print a message when a missing device re-appears
btrfs: do not trim a device which is not writeable
btrfs: return real error after lookup failure in btrfs_ioctl_default_subvol()
btrfs: use mapping shared locking for reading super block
btrfs: use lockless read in nr_cached_objects shrinker callback
btrfs: switch local indicator variables to bools
btrfs: send: pass bool for pending_move and refs_processed parameters
btrfs: use shifts for sectorsize and nodesize
btrfs: fix deadlock cloning inline extent when using flushoncommit
btrfs: allocate eb-attached btree pages as movable
btrfs: add 32-bit compat ioctl for BTRFS_IOC_GET_SUBVOL_INFO
btrfs: derive f_fsid from on-disk fsid and dev_t
...
|
||
|
Linus Torvalds
|
477c122f8c |
dlm for 7.2
There are four fixes/cleanups in this series; none are likely to be issues in real usage: - improve debugfs error exit path - fix sequence number ordering in an artificial test case - fix usercopy_abort for lvb data - use hlist_for_each_entry_srcu for srcu lists -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEcGkeEvkvjdvlR90nOBtzx/yAaaoFAmowKlsACgkQOBtzx/yA aap6Kw//Zee3ZGEYREY6W71NdBd+P8cp86ej8kuL2maqGg74r57bXCbz9CZUm7wH pIZ7OhjYztYpgQjrtCqOgJ/KTkgpyA1OxNI5p1XeCIjiXsAVnBiW3Pay6ZDV6yQP ZPINZ4Ei3UOqQ90EMIbwO8J1ola+6qrd4Ojo4bzXaMN8c+Mf81ioclKPv76ldGaw H+rjTCL9o382ExF/3Xf4jPpMkq5z6FJj4nykv1UznweYEmFw3e1BeqtPBQArV9nh /aAEXuhDSJjBdmiAEzBbQLGnUZAeQ7+lIGHMLQ1+unVU7B5i1PnFw/A3nT9X/x3W tYdq95jo20nXBH8fAItiDYbLyd+RcOJvmaMoaqR/jnZaiZ9zSKrvPEjXD+Yg6xtx HH8AwQSqkdnBw8t2PcysrOXkQWpXaWJeNY+TkU0GlFnfJpj2RewnFRj9uzRFthGQ pxRV9rFtEX7dYuVqPiuUWtS4667XhFJRu2w1YEyJvgCRjhl5ADvKuRARh484RKu3 OlWEpgEmW00BHtpuZYhPS2oGvmhDGl9Q3+1lmeySOAhODAQw8QQEnnIVQcxaXvUI 747E+J6qHlYBV6SHHt/RjZSAi5ViUyx6rZx9vPJNpt7VQPZzKxjGoTnr1DB7lDij WzT29aWd2rZTPxYhBfwl918cscvV6cphgFh8Wvqvaf3q8hDUjEw= =E+94 -----END PGP SIGNATURE----- Merge tag 'dlm-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm Pull dlm updates from David Teigland: "There are four fixes/cleanups in this series; none are likely to be issues in real usage: - improve debugfs error exit path - fix sequence number ordering in an artificial test case - fix usercopy_abort for lvb data - use hlist_for_each_entry_srcu for srcu lists" * tag 'dlm-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm: dlm: init per node debugfs before add to node hash dlm: fix add msg handle in send_queue ordered dlm: add usercopy whitelist to dlm_cb cache dlm: use hlist_for_each_entry_srcu for SRCU protected lists |
||
|
Linus Torvalds
|
974b3dec2b |
\n
-----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEq1nRK9aeMoq1VSgcnJ2qBz9kQNkFAmowEJkACgkQnJ2qBz9k QNldRAgA43CA40WfTnE8vqivu1Uxsy/sJdbCWntxfBe3IRH3dEJoMjQokvHAe9Qy CZSAzZELN66kHRVEYFZfQqoxXJTw1dhVUSfYCtuy0TOz8+/je6yaqXa8a79q/v3X yw+x5WVRaDBHZrUKycEYZ6UxH0XaUpJxNBikPMR4ycza9LlEQ77WnH98JkYm7Zzu OtUn/CysvAu6ATJcuo3LBmmbad0qs6htJgw1NxZXBaiFdQSroYoCZBohAHnlFZb5 wKm7fHIC56s0lHUVsOhQQyDjRKwdWftIzxI1HaBls1Kwodb9IKqifkPE12NF0fVH ctSn2iu70CpcaLwRCnmng+QwEupH2g== =I+DW -----END PGP SIGNATURE----- Merge tag 'fs_for_v7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs Pull udf, isofs, ext2, and quota updates from Jan Kara: - Assorted udf & isofs fixes for maliciously formatted devices - Cleanups to use kmalloc() instead of __get_free_page() - Removal of deprecated DAX code from ext2 * tag 'fs_for_v7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: udf: validate VAT inode size for old VAT format udf: validate VAT header length against the VAT inode size udf: validate sparing table length as an entry count, not a byte count isofs: bound Rock Ridge symlink components to the SL record ext2: fix ignored return value of generic_write_sync() ext2: Remove deprecated DAX support isofs: replace __get_free_page() with kmalloc() quota: allocate dquot_hash with kmalloc() udf: validate free block extents against the partition length |
||
|
Linus Torvalds
|
59b1c2aa06 |
\n
-----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEq1nRK9aeMoq1VSgcnJ2qBz9kQNkFAmowEBIACgkQnJ2qBz9k QNlnFgf/XRSbY/410/TVuhxeFr23A3OUKXkJBslflsa0tvS4W8by0z9z546cJFhi Lm1HXXIvHHtB5//WxH0EDGCpRctgdX8tdNOfEQ+8RLs0rjZjKJbvsPZBhVM6u3tf 53Rsgz0d8887DTxPJIsb9Ul++0YgjPU1KrsvLizQc7hmNS8zGeDjuw3lx5DcVlKt fIQjB33c6C79PyYJQrZqVswrz4VkThrDU0oP3RUNF3k/uZAiH0C+d8sABQ9A5eSw qhqSD9Af9VA+EK+Fvp4qIHPVBvuIGINTjlWgsqGKjTRXm1QysS2eKK7mKP6lWE5M +2gP6iqPxON8QVRVNq0YWuOgm8lORg== =vZm7 -----END PGP SIGNATURE----- Merge tag 'fsnotify_for_v7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs Pull fsnotify updates from Jan Kara: - fanotify improvements for pidfd reporting - small cleanup in fanotify_error_event_equal * tag 'fsnotify_for_v7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: fanotify: allow reporting pidfds for reaped tasks fanotify: report thread pidfds for FAN_REPORT_TID fanotify: simplify fanotify_error_event_equal |
||
|
Linus Torvalds
|
6271f6ea7f |
xfs: new code for Linux 7.2
Signed-off-by: Carlos Maiolino <cem@kernel.org> -----BEGIN PGP SIGNATURE----- iJUEABMJAB0WIQSmtYVZ/MfVMGUq1GNcsMJ8RxYuYwUCai/ATAAKCRBcsMJ8RxYu YwizAX9pr/FDF4FJEob18Juys/r+VvptqdJxx/e2igubyOzhz0MrDHSbzfF8Z1d2 lY4oa9EBgKrLjV/v+erpxxg9+i3Dqya/QvsHAzm/7k/fbA3udeiop71PlqRKF1SD clzkim/DSg== =qpVD -----END PGP SIGNATURE----- Merge tag 'xfs-merge-7.2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux Pull xfs updates from Carlos Maiolino: "The main highlight is the removal of experimental tag of the zone allocator feature. Besides that, this contains a collection of bug fixes and code refactoring but no new features have been added" * tag 'xfs-merge-7.2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (29 commits) xfs: shut down the filesystem on a failed mount xfs: skip inode inactivation on a shut down mount xfs: move XFS_LSN_CMP to xfs_log_format.h xfs: shut down zoned file systems on writeback errors xfs: cleanup xfs_growfs_compute_deltas xfs: pass back updated nb from xfs_growfs_compute_deltas xfs: fix pointer arithmetic error on 32-bit systems xfs: initialize iomap->flags earlier in xfs_bmbt_to_iomap xfs: only log freed extents for the current RTG in zoned growfs xfs: add newly added RTGs to the free pool in growfs xfs: factor out a xfs_zone_mark_free helper xfs: mark struct xfs_imap as __packed xfs: store an agbno in struct xfs_imap xfs: massage xfs_imap_to_bp into xfs_read_icluster xfs: remove im_len field in struct xfs_imap xfs: cleanup xfs_imap xfs: remove the call to xfs_buf_reverify in xfs_trans_read_buf_map xfs: remove the i_ino field in struct xfs_inode xfs: remove xfs_setup_existing_inode xfs: convert xchk_inode_xref_set_corrupt to xchk_ip_xref_set_corrupt ... |
||
|
Linus Torvalds
|
481329ec5b |
hardening updates for v7.2-rc1
- lkdtm: Add case to provoke a crash in EFI runtime services (Ard Biesheuvel)
- lkdtm: add PPC_RADIX_TLBIEL test and missed isync (Sayali Patil)
- stddef: Document designated initializer semantics for __TRAILING_OVERLAP()
(Gustavo A. R. Silva)
- strarray: drop redundant allocation, add __counted_by_ptr (Thorsten Blum)
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Merge tag 'hardening-v7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull hardening updates from Kees Cook:
- lkdtm:
- Add case to provoke a crash in EFI runtime services (Ard Biesheuvel)
- add PPC_RADIX_TLBIEL test and missed isync (Sayali Patil)
- stddef: Document designated initializer semantics for
__TRAILING_OVERLAP() (Gustavo A. R. Silva)
- strarray: drop redundant allocation, add __counted_by_ptr (Thorsten
Blum)
* tag 'hardening-v7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
lkdtm/powerpc: add PPC_RADIX_TLBIEL test for radix MCE validation
lkdtm/powerpc: add isync after slbmte to enforce SLB update ordering
lkdtm: Add case to provoke a crash in EFI runtime services
lib/string_helpers: annotate struct strarray with __counted_by_ptr
lib/string_helpers: drop redundant allocation in kasprintf_strarray
MAINTAINERS: add kernel hardening keyword __counted_by_ptr
stddef: Document designated initializer semantics for __TRAILING_OVERLAP()
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Linus Torvalds
|
673f72944d |
Crypto library updates for 7.2
- Drop the last architecture-specific implementation of MD5 - Mark clmul32() as noinline_for_stack to improve codegen in some cases -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQSacvsUNc7UX4ntmEPzXCl4vpKOKwUCajA7lxQcZWJpZ2dlcnNA a2VybmVsLm9yZwAKCRDzXCl4vpKOK7dtAQDZsISd/th6twEfSfdqLpuDIqIHtwjk uTE6GQJKdkYT0AD/VuU0FCSn0On+8Anho3Fk1AP0civzuJyixI8m8QSgYQs= =nTJj -----END PGP SIGNATURE----- Merge tag 'libcrypto-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux Pull crypto library updates from Eric Biggers: - Drop the last architecture-specific implementation of MD5 - Mark clmul32() as noinline_for_stack to improve codegen in some cases * tag 'libcrypto-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux: lib/crypto: gf128hash: mark clmul32() as noinline_for_stack lib/crypto: powerpc/md5: Drop powerpc optimized MD5 code |
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Linus Torvalds
|
ef3b7426a6 |
CRC updates for 7.2
Accelerate CRC64-NVME for 32-bit ARM by refactoring the arm64 NEON intrinsics implementation to be shared by 32-bit and 64-bit. Also apply a similar cleanup to the 32-bit ARM NEON implementation of xor_gen(), where it now reuses code from the 64-bit implementation. -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQSacvsUNc7UX4ntmEPzXCl4vpKOKwUCajA5WBQcZWJpZ2dlcnNA a2VybmVsLm9yZwAKCRDzXCl4vpKOKxAOAP9RLfiQ3S+ZCQhjl4j9niyFvrfXfDpR aekeeaGnqA95CQEAs/0MYR1gt/VqeB8T4NjDiy0+8+HxruJ4A3nqWs7dLQ0= =hSHr -----END PGP SIGNATURE----- Merge tag 'crc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux Pull CRC updates from Eric Biggers: "Accelerate CRC64-NVME for 32-bit ARM by refactoring the arm64 NEON intrinsics implementation to be shared by 32-bit and 64-bit. Also apply a similar cleanup to the 32-bit ARM NEON implementation of xor_gen(), where it now reuses code from the 64-bit implementation" * tag 'crc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux: crypto: aegis128 - Use neon-intrinsics.h on ARM too lib/crc: arm: Enable arm64's NEON intrinsics implementation of crc64 lib/crc: Turn NEON intrinsics crc64 implementation into common code xor/arm64: Use shared NEON intrinsics implementation from 32-bit ARM xor/arm: Replace vectorized implementation with arm64's intrinsics ARM: Add a neon-intrinsics.h header like on arm64 |
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Linus Torvalds
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0d8c113493 |
This update includes the following changes:
API:
- Drop support for off-CPU cryptography in af_alg.
- Document that af_alg is *always* slower.
- Document the deprecation of af_alg.
- Remove zero-copy support from skcipher and aead in af_alg.
- Cap AEAD AD length to 0x80000000 in af_alg.
- Free default RNG on module exit.
Algorithms:
- Fix vli multiplication carry overflow in ecc.
- Drop unused cipher_null crypto_alg.
- Remove unused variants of drbg.
- Use lib/crypto in drbg.
- Use memcpy_from/to_sglist in authencesn.
- Allow authenc(hmac(sha{256,384}),cts(cbc(aes))) in FIPS mode.
- Disallow RSA PKCS#1 SHA-1 sig algs in FIPS mode.
- Filter out async aead implementations at alloc in krb5.
- Fix non-parallel fallback by rstoring callback in pcrypt.
- Validate poly1305 template argument in chacha20poly1305.
Drivers:
- Add sysfs PCI reset support to qat.
- Add KPT support for GEN6 devices to qat.
- Remove unused character device and ioctls from qat.
- Add support for hw access via SMCC to mtk.
- Remove prng support from crypto4xx.
- Remove prng support from hisi-trng.
- Remove prng support from sun4i-ss.
- Remove prng support from xilinx-trng.
- Remove loongson-rng.
- Remove exynos-rng.
Others:
- Remove support for AIO on sockets.
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Merge tag 'v7.2-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
"API:
- Drop support for off-CPU cryptography in af_alg
- Document that af_alg is *always* slower
- Document the deprecation of af_alg
- Remove zero-copy support from skcipher and aead in af_alg
- Cap AEAD AD length to 0x80000000 in af_alg
- Free default RNG on module exit
Algorithms:
- Fix vli multiplication carry overflow in ecc
- Drop unused cipher_null crypto_alg
- Remove unused variants of drbg
- Use lib/crypto in drbg
- Use memcpy_from/to_sglist in authencesn
- Allow authenc(hmac(sha{256,384}),cts(cbc(aes))) in FIPS mode
- Disallow RSA PKCS#1 SHA-1 sig algs in FIPS mode
- Filter out async aead implementations at alloc in krb5
- Fix non-parallel fallback by rstoring callback in pcrypt
- Validate poly1305 template argument in chacha20poly1305
Drivers:
- Add sysfs PCI reset support to qat
- Add KPT support for GEN6 devices to qat
- Remove unused character device and ioctls from qat
- Add support for hw access via SMCC to mtk
- Remove prng support from crypto4xx
- Remove prng support from hisi-trng
- Remove prng support from sun4i-ss
- Remove prng support from xilinx-trng
- Remove loongson-rng
- Remove exynos-rng
Others:
- Remove support for AIO on sockets"
* tag 'v7.2-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (196 commits)
crypto: tegra - fix refcount leak in tegra_se_host1x_submit()
crypto: rng - Free default RNG on module exit
crypto: testmgr - allow authenc(hmac(sha{256,384}),cts(cbc(aes))) in FIPS mode
hwrng: jh7110 - fix refcount leak in starfive_trng_read()
crypto: atmel-ecc - drop dead code in atmel_ecdh_max_size
crypto: cavium/cpt - fix DMA cleanup using wrong loop index
crypto: marvell/octeontx - fix DMA cleanup using wrong loop index
MAINTAINERS: make myself the maintainer of the Qualcomm QCE driver
crypto: amcc - convert irq_of_parse_and_map to platform_get_irq
crypto: sun4i-ss - Remove insecure and unused rng_alg
hwrng: xilinx - Move xilinx-rng into drivers/char/hw_random/
crypto: xilinx-trng - Replace crypto_drbg_ctr_df() with HMAC-SHA512
crypto: xilinx-trng - Fix return value of xtrng_hwrng_trng_read()
crypto: xilinx-trng - Remove crypto_rng interface
crypto: exynos-rng - Remove exynos-rng driver
hwrng: hisi-trng - Move hisi-trng into drivers/char/hw_random/
crypto: hisi-trng - Remove crypto_rng interface
crypto: loongson - Remove broken and unused loongson-rng
crypto: crypto4xx - Remove insecure and unused rng_alg
crypto: qat - validate RSA CRT component lengths
...
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||
|
Linus Torvalds
|
f8115f0e8a |
slab changes for 7.2
-----BEGIN PGP SIGNATURE----- iQFPBAABCAA5FiEEe7vIQRWZI0iWSE3xu+CwddJFiJoFAmovtcQbFIAAAAAABAAO bWFudTIsMi41KzEuMTIsMiwyAAoJELvgsHXSRYia17cH/ROle2R7pTZbk60nupo3 JHWvvOB6j2xh5s4bxbcoBIb8ZdS5L3YeAE8u/1NUGFHckIJ/7/rB3njxeDtoJyIn K1ER5LD2wd0jf0Z6P2WOB4MmoF0LSi+KcT0xRbMlmcd9KM9xQIFy7aLxYoWXlqqM T+kDmLuMtUawZGlN+foSFMp2ewO9Iz31kiQACreLa246zTIkCAhqzTBBCFRPkCMX cEES6J8Xb3YcfO66PUXqUC63pS0ikovP8P3yt92jWgaXTrntGDQYG/zxm2dkdwQl UklmXA0KT1mkaTA8vUDPdBk9LFWVCdhK2rkMWyeirQZqIsHYGfj8vB1HoR839m6a vTk= =YSns -----END PGP SIGNATURE----- Merge tag 'slab-for-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab Pull slab updates from Vlastimil Babka: - Support for "allocation tokens" (currently available in Clang 22+) for smarter partitioning of kmalloc caches based on the allocated object type, which can be enabled instead of the "random" per-caller-address-hash partitioning. It should be able to deterministically separate types containing a pointer from those that do not (Marco Elver) - Improvements and simplification of the kmem_cache_alloc_bulk() and mempool_alloc_bulk() API. This includes adaptation of callers (Christoph Hellwig) - Performance improvements and cleanups related mostly to sheaves refill (Hao Li, Shengming Hu, Vlastimil Babka) - Several fixups for the slabinfo tool (Xuewen Wang) * tag 'slab-for-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab: mm/slab: do not limit zeroing to orig_size when only red zoning is enabled mm/slub: preserve original size in _kmalloc_nolock_noprof retry path mm: simplify the mempool_alloc_bulk API mm/slab: improve kmem_cache_alloc_bulk mm/slub: detach and reattach partial slabs in batch mm/slub: introduce helpers for node partial slab state mm/slub: use empty sheaf helpers for oversized sheaves tools/mm/slabinfo: remove redundant slab->partial assignment tools/mm/slabinfo: remove dead assignment in get_obj_and_str() tools/mm/slabinfo: Fix trace disable logic inversion MAINTAINERS: add slab-related scripts and tools to SLAB ALLOCATOR mm/slub: fix typo in sheaves comment mm, slab: simplify returning slab in __refill_objects_node() mm, slab: add an optimistic __slab_try_return_freelist() slab: fix kernel-docs for mm-api slab: improve KMALLOC_PARTITION_RANDOM randomness slab: support for compiler-assisted type-based slab cache partitioning mm/slub: defer freelist construction until after bulk allocation from a new slab |