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54322 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Jakub Kicinski
|
53658c6f36 |
netfilter pull request 26-07-23
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Merge tag 'nf-26-07-23' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Pablo Neira Ayuso says:
====================
Netfilter/IPVS fixes for net
The following batch contains Netfilter/IPVS fixes for net. This batch
includes a mix of IPVS follow ups related to Sashiko reports, as well as
crash fixes for connection tracking expectation, helpers, ipset and
nf_tables mostly for old bugs. This also includes a fix for the
flowtable tunnel selftest.
1) Use s32 instead of s16 to calculate the remaining payload containing
SIP messages, otherwise underflow is possible allowing out-of-bound
memory access beyond the skb->data area. From Xiang Mei.
2) Fix the counter check in the flowtable selftest for tunnels, from
Lorenzo Bianconi.
3) Add and use nf_ct_expect_related_pair() to add the RTP and RTCP
expectations under the expectation lock, this is required by the SIP
and H.323 NAT helpers. This fixes a possible reinsertion of an
expectation with the DEAD flag set on while looping to find
consecutive ports.
4) Fix ipset UaF during table resize by blocking comment updates on
kernel-side adds. From David Lee.
5) Do not propagate the IP_VS_CONN_F_ONE_PACKET flag when using IPVS
state synchronization, otherwise reaching stale freed from
ip_vs_conn struct is possible, Zhiling Zou.
6) Adjust the hn1 hash node when the forwarding method changes between
MASQ and non-MASQ for an already hashed connection. This can leave
stale hash nodes pointing to a freed struct ip_vs_conn and trigger
UaF while reading /proc/net/ip_vs_conn. From Julian Anastasov.
7) nft_object rhltable needs to be per table, just like chain rhltable,
otherwise UaF from object lookup path while netns is being released.
There is also the nlevent path that can reach stale objects. Placing
this rhltable under the table hierarchy fixes this issue.
8) Reject invalid combined usage of hashlimit tables with and without
XT_HASHLIMIT_RATE_MATCH flag mode, otherwise access to uninitialized
.burst field of dsthash_ent is possible.
9) Fix checksum validations in IPVS performed from LOCAL_IN,
from Julian Anastasov.
10) Fix incorrect packet offset to layer 4 protocol in IPVS, uncovered
by Sashiko, from Julian Anastasov.
11) Skip the mangling of ICMP replies for non-first fragments, also
reported by Sashiko. Also from Julian.
12) Clear ip_vs_conn flags under the spinlock to fix a possible data
race. From Julian Anastasov.
13) Fix incorrect calculation of the payload bitmask in the nf_tables
hardware offload support, leading to UBSAN splat. From Xiang Mei.
* tag 'nf-26-07-23' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
netfilter: nft_payload: fix mask build for partial field offload
ipvs: clear the nfct flag under lock
ipvs: do not mangle ICMP replies for non-first fragments
ipvs: fix places with wrong packet offsets
ipvs: fix the checksum validations
netfilter: xt_hashlimit: validate hashtable supports XT_HASHLIMIT_RATE_MATCH
netfilter: nf_tables: make nft_object rhltable per table
ipvs: adjust double hashing when fwd method changes
ipvs: do not propagate one-packet flag to synced conns
netfilter: ipset: do not update comments from kernel-side hash adds
netfilter: nf_conntrack_expect: add and use nf_ct_expect_related_pair()
selftests: netfilter: nft_flowtable.sh: fix offload counter verification for tunnel tests
netfilter: nf_conntrack_sip: widen NAT rewrite delta to s32 in sip_help_tcp()
====================
Link: https://patch.msgid.link/20260723163910.274695-1-pablo@netfilter.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
||
|
Maciej Fijalkowski
|
f49d99eaee |
selftests/xsk: account reclaimed invalid Tx descriptors
Invalid Tx descriptors are now returned through the completion ring, regardless of whether they form a standalone packet or belong to an invalid multi-buffer packet. The selftests previously counted only descriptors belonging to valid packets, with a special exception for some invalid multi-buffer packets in verbatim streams. This undercounts completion entries when a standalone invalid descriptor or another invalid packet is reclaimed by the kernel. Keep valid_pkts as the number of packets expected on the Rx side, but count every descriptor submitted to the Tx ring in valid_frags, as every such descriptor is now expected to be returned through the completion ring. Make fragment counting in verbatim mode follow the packet boundary instead of stopping at the first invalid fragment. Update custom stream generation so an invalid middle fragment terminates the generated Rx packet while Tx completion accounting still covers the complete invalid packet. Also add explicit end fragments after invalid middle descriptors. This exercises the kernel drain logic and verifies that subsequent valid packets are not interpreted as continuations of the invalid packet. Reviewed-by: Jason Xing <kernelxing@tencent.com> Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com> Acked-by: Stanislav Fomichev <sdf@fomichev.me> Link: https://patch.msgid.link/20260719135609.147823-7-maciej.fijalkowski@intel.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Maciej Fijalkowski
|
c5b1ca6a02 |
selftests/xsk: fix too-many-frags multi-buffer Tx test
The too-many-frags test describes a packet that is valid from the Tx ring ownership point of view, but invalid for transmission because it exceeds the supported number of fragments. Keep the generated Tx descriptors valid so that __send_pkts() accounts them as outstanding descriptors that must be reclaimed through the CQ. Then mark the corresponding Rx packet invalid so the test still does not expect the oversized packet to appear on the receive side. Add a valid synchronization packet after the oversized packet so the test can verify that the Tx path drains the bad packet and resumes at the next packet boundary. Reviewed-by: Jason Xing <kernelxing@tencent.com> Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com> Acked-by: Stanislav Fomichev <sdf@fomichev.me> Link: https://patch.msgid.link/20260719135609.147823-6-maciej.fijalkowski@intel.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
John Ericson
|
7f57c650d0 |
selftests/net/af_unix: test listen() rejects wrong socket states
Add a regression test for the unix_listen() state check. The key case is
listen() on a bound socket that has already been connected: it is no
longer in TCP_CLOSE or TCP_LISTEN, so it must fail with EINVAL. A
prepare_peercred() call slipped in ahead of that check once left err at 0
and made listen() silently succeed there instead; this guards against a
repeat.
The neighbouring outcomes are covered too so they cannot regress the same
way: a bound socket in TCP_CLOSE listens fine, calling listen() again on a
socket already in TCP_LISTEN is allowed, and an unbound socket fails with
EINVAL.
Each case runs for both listenable socket types (SOCK_STREAM and
SOCK_SEQPACKET) and both pathname and abstract addresses.
Fixes:
|
||
|
Linus Torvalds
|
d326f83e81 |
Lots of fixes, double the count even for the "new normal".
Largely due to my time off followed by a networking conference
which distracted most maintainers (less so the AI generators).
Including fixes from Bluetooth and WiFi.
Current release - regressions:
- wifi: mt76: fix MAC address for non OF pcie cards
Current release - new code bugs:
- mptcp: fix BUILD_BUG_ON on legacy ARM config
- wifi: cfg80211: guard optional PMSR nominal time
Previous releases - regressions:
- qrtr: ns: raise node count limit to 512, we arbitrarily picked
256 as a limit, turns out it was too low for real world deployments
- vhost-net: fix TX stall when vhost owns virtio-net header
- eth: amd-xgbe: fix MAC_AUTO_SW handling in CL37 AN
- wifi: ath12k: fix low MLO RX throughput on WCN7850
Previous releases - always broken:
- number of random AI fixes for SCTP, RDS and TIPC protocols
- more AI-looking fixes for WiFi drivers
- number of fixes for missing pointer reloading after skb pull
- reject BPF redirect use from qdisc qevent block
- tcp: initialize standalone TCP-AO response padding
- vsock/virtio: collapse receive queue under memory pressure to avoid
client OOMing the host with tiny messages
- ipv4: icmp: fill flow parameters in icmp_route_lookup decoy lookup,
make sure the ICMP response routing follows the routing policy
- gro: fix double aggregation of flush-marked skbs
- ovpn: fix various refcount bugs
- tls: device: push pending open record on splice EOF
- eth: mlx5:
- use sender devcom for MPV master-up
- fix MCIA register buffer overflow on 32 dword reads
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-7.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Lots of fixes, double the count even for the 'new normal'. Largely due
to my time off followed by a networking conference which distracted
most maintainers (less so the AI generators).
Including fixes from Bluetooth and WiFi.
Current release - regressions:
- wifi: mt76: fix MAC address for non OF pcie cards
Current release - new code bugs:
- mptcp: fix BUILD_BUG_ON on legacy ARM config
- wifi: cfg80211: guard optional PMSR nominal time
Previous releases - regressions:
- qrtr: ns: raise node count limit to 512, we arbitrarily picked
256 as a limit, turns out it was too low for real world deployments
- vhost-net: fix TX stall when vhost owns virtio-net header
- eth: amd-xgbe: fix MAC_AUTO_SW handling in CL37 AN
- wifi: ath12k: fix low MLO RX throughput on WCN7850
Previous releases - always broken:
- number of random AI fixes for SCTP, RDS and TIPC protocols
- more AI-looking fixes for WiFi drivers
- number of fixes for missing pointer reloading after skb pull
- reject BPF redirect use from qdisc qevent block
- tcp: initialize standalone TCP-AO response padding
- vsock/virtio: collapse receive queue under memory pressure to avoid
client OOMing the host with tiny messages
- ipv4: icmp: fill flow parameters in icmp_route_lookup decoy lookup,
make sure the ICMP response routing follows the routing policy
- gro: fix double aggregation of flush-marked skbs
- ovpn: fix various refcount bugs
- tls: device: push pending open record on splice EOF
- eth: mlx5:
- use sender devcom for MPV master-up
- fix MCIA register buffer overflow on 32 dword reads"
* tag 'net-7.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (234 commits)
drop_monitor: perform u64_stats updates under IRQ-disabled section
drop_monitor: fix size calculations for 64-bit attributes
net: drop_monitor: fix info leak in NET_DM_ATTR_PAYLOAD
mptcp: fix BUILD_BUG_ON on legacy ARM config
selftests: mptcp: userspace_pm: fix undefined variable port
mptcp: fix stale skb->sk reference on subflow close
mptcp: pm: userspace: fix use-after-free in get_local_id
mptcp: decrement subflows counter on failed passive join
mac802154: hold an interface reference across the scan worker
sctp: don't free the ASCONF's own transport in DEL-IP processing
phonet: check register_netdevice_notifier() error in phonet_device_init()
phonet: pep: fix use-after-free in pep_get_sb()
bnge/bng_re: fix ring ID widths
tipc: fix integer overflow in tipc_recvmsg() and tipc_recvstream()
net: airoha: fix ETS channel derivation in airoha_tc_setup_qdisc_ets()
mctp: check register_netdevice_notifier() error in mctp_device_init()
ptp: netc: explicitly clear TMR_OFF during initialization
rds: tcp: unregister sysctl before tearing down listen socket
ipv6: Change allocation flags to match rcu_read_lock section requirements
net: slip: serialize receive against buffer reallocation
...
|
||
|
Geliang Tang
|
e3213292c4 |
selftests: mptcp: userspace_pm: fix undefined variable port
In make_connection(), the variable "port" is used but never defined.
This leads to an empty argument being passed to wait_local_port_listen(),
causing "printf: : invalid number" errors:
# INFO: Init
# 01 Created network namespaces ns1, ns2 [ OK ]
# INFO: Make connections
# ./../lib.sh: line 651: printf: : invalid number
# 02 Established IPv4 MPTCP Connection ns2 => ns1 [ OK ]
# INFO: Connection info: 10.0.1.2:59516 -> 10.0.1.1:50002
# ./../lib.sh: line 651: printf: : invalid number
# 03 Established IPv6 MPTCP Connection ns2 => ns1 [ OK ]
Fix it by using the correctly defined variable "app_port", which holds the
appropriate port number for the connection.
Fixes:
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Jakub Kicinski
|
d73a2e81f3 |
Included fixes:
* ensure keepalive timestamps are computed using monotonic source * avoid UAF in unlock_ovpn() when iterating over release_list * fix memleak in selftest tool * ensure reference to peer is acquired before scheduling worker (which may drop the not-yet-taken ref) * fix refcount leak in case of concurrent TX and RX TCP error * fix potential refcount unbalance in case of sock release in P2P mode -----BEGIN PGP SIGNATURE----- iJEEABYIADkWIQQr0db7q+Rc7Zog28Fc8QQzwdnOtwUCal4xNRsUgAAAAAAEAA5t YW51MiwyLjUrMS4xMiwyLDIACgkQXPEEM8HZzrcjWQEAzhUfvdvKlB0R3IjYs5ze xUocdtTNVf3B2mOzRDMeu9oA/0PlyHorMDIi5l4ffiz+yzqbsul3929KjsRwTWnd E8gI =sQH6 -----END PGP SIGNATURE----- Merge tag 'ovpn-net-20260720' of https://github.com/OpenVPN/ovpn-net-next Antonio Quartulli says: ==================== Included fixes: * ensure keepalive timestamps are computed using monotonic source * avoid UAF in unlock_ovpn() when iterating over release_list * fix memleak in selftest tool * ensure reference to peer is acquired before scheduling worker (which may drop the not-yet-taken ref) * fix refcount leak in case of concurrent TX and RX TCP error * fix potential refcount unbalance in case of sock release in P2P mode * tag 'ovpn-net-20260720' of https://github.com/OpenVPN/ovpn-net-next: ovpn: use monotonic clock for peer keepalive timeouts ovpn: fix use after free in unlock_ovpn() selftests/net: ovpn: fix getaddrinfo memory leak in ovpn_parse_remote() ovpn: hold peer before scheduling keepalive work ovpn: fix peer refcount leak in TCP error paths ovpn: avoid putting unrelated P2P peer on socket release ==================== Link: https://patch.msgid.link/20260720144131.3657121-1-antonio@openvpn.net Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Yuxiang Yang
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7bb18355e5 |
selftests/net: packetdrill: cover RST validation in SYN-RECEIVED
Add packetdrill coverage for the RFC 9293 reset checks on request sockets in SYN-RECEIVED. Verify that an exact RST removes the request, a non-exact in-window RST sends a challenge ACK without removing it, and an out-of-window RST is silently discarded. Also cover an RST|ACK with an unacceptable ACK number to ensure RST sequence validation runs before ACK-field validation. Signed-off-by: Yuxiang Yang <yangyx22@mails.tsinghua.edu.cn> Reviewed-by: Eric Dumazet <edumazet@google.com> Link: https://patch.msgid.link/20260717081443.809393-3-yangyx22@mails.tsinghua.edu.cn Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
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Lorenzo Bianconi
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1d6123f87e |
selftests: netfilter: nft_flowtable.sh: fix offload counter verification for tunnel tests
The IPIP and IP6IP6 tunnel tests call check_counters() to verify flowtable offloading occurred, but the flow-add rule only matches meta oif "veth1". When traffic is routed through a tunnel device, oif is the tunnel interface (tun0, tun6, etc.), not veth1, so the flow-add rule never fires, no flowtable entry is created, and counters stay at zero — producing a silent false pass. Fix by adding tunnel-specific flow-add rules for each tunnel interface. These match TCP dport 12345 traffic before the bare accept rule, set ct mark, add the flow to the flowtable, and increment routed_orig. The existing routed_repl rule on veth0 already handles the reply direction since decapsulated reply packets exit through the physical interface. Also add check_counters() for the IP6IP6 non-VLAN and IP6IP6-over-VLAN tests which previously used a bare PASS message. Fixes: |
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Nikolay Aleksandrov
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679eb1e32d |
selftests: net: bridge: test ranges with PVID VLAN
Add a test with PVID VLAN that matches the flags of the VLAN following it and check if the range is properly dumped. PVID VLAN should be on its own and all VLANs should be present in the dump. Signed-off-by: Nikolay Aleksandrov <razor@blackwall.org> Reviewed-by: Ido Schimmel <idosch@nvidia.com> Link: https://patch.msgid.link/20260721140922.682265-3-razor@blackwall.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Matthieu Baerts (NGI0)
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e6ad44a5b1 |
selftests: netconsole: ignore busywait errors
In these netconsole tests, bash is used with errexit (set -e). It means that if the busywait timeout, the tests finish without printing an error message. It is fine to ignore these errors, because the following validate_xxx helpers will check the content of the output file, and exit with an appropriated error message, e.g. FAIL: File was not generated. Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Reviewed-by: Breno Leitao <leitao@debian.org> Link: https://patch.msgid.link/20260710-net-sft-fix-containers-v1-7-a2915c294ef5@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Matthieu Baerts (NGI0)
|
c25dd7439f |
selftests: drv-net: add missing kconfig for psp.py
This psp.py selftest was failing on my side when only using the
drivers/net config file on top of the default one -- the recommended way
to execute selftest targets.
It looks like some kernel config are needed to execute the new tc
commands.
Note that this was not visible on NIPA, because these tests are executed
with the drivers/net/hw ones, combining the two config files, and the hw
one contains the missing ones.
Fixes:
|
||
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Matthieu Baerts (NGI0)
|
3529d75d67 |
selftests: drv-net: increase timeout
The default timeout is 45 seconds, that's too low for the xdp.py test.
Indeed, this test can take up to 3 minutes with some debug kernel config
on NIPA. Set a timeout to 6 minutes, just to be on the safe side.
Note that the Fixes tag here points to the introduction of the xdp.py
test because I don't know when this test started to take more than 45
seconds. That's OK because a timeout of 6 minutes is not exaggerated.
Fixes:
|
||
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Matthieu Baerts (NGI0)
|
61ac7049aa |
selftests: ovpn: increase timeout
The default timeout is 45 seconds, that's too low for a few ovpn tests.
Indeed, these tests can take up to 50 seconds with some debug kernel
config on NIPA. Set a timeout to 90 seconds, just to be on the safe
side.
Note that the Fixes tag here points to the introduction of the ovpn
tests because I don't know when they started to take more than 45
seconds. That's OK because a timeout of 1.5 minutes is not exaggerated.
Fixes:
|
||
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Matthieu Baerts (NGI0)
|
90c792681a |
selftests: ovpn: add IPV6 and VETH configs
They are required to run the selftests:
- Tests are executed in v4 and v6.
- Virtual Ethernet are used between the different netns.
This has not been seen on NIPA before, because the 'ovpn' tests are
executed with the 'tcp_ao' ones, merging their config files. These two
kernel config are present in tools/testing/selftests/net/tcp_ao/config.
This issue is visible when only the ovpn config is used on top of the
default one. This is the recommended way to execute selftest targets.
Fixes:
|
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Matthieu Baerts (NGI0)
|
441a820cce |
selftests: openvswitch: add config file
The kselftests doc mentions that a config file should be present "if a
test needs specific kernel config options enabled". This selftest
requires some kernel config, but no config file was provided.
We could say that a sub-target could use the parent's config file, but
the kselftests doc doesn't mention anything about that. Plus the
net/openvswitch target is the only net target without a config file.
Here is a new config file, which is a trimmed version of the net one,
with hopefully the minimal required kconfig on top of 'make defconfig'.
The Fixes tag points to the introduction of the net/openvswitch target,
just to help validating this target on stable kernels.
Fixes:
|
||
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Matthieu Baerts (NGI0)
|
f8b1abed73 |
selftests: af_unix: add USER_NS config
This is required to use unshare(CLONE_NEWUSER).
This has not been seen on NIPA before, because the 'af_unix' tests are
executed with the 'net' ones, merging their config files. USER_NS is
present in tools/testing/selftests/net/config.
This issue is visible when only the af_unix config is used on top of the
default one. This is the recommended way to execute selftest targets.
Fixes:
|
||
|
Linus Torvalds
|
b4b760b59f |
RISC-V:
- Avoid redundant allocations when allocating IMSIC page tables
- Apply SBI FWFT LOCK flag only on successful set
- Bound SBI PMU counter mask scan to BITS_PER_LONG, since on RV32
the PMU SBI start/stop helper can only access 32 PMU counters.
- Skip TLB flush when G-stage PTE becomes valid if the Svvptc
extension is available.
- Always show Zicbo[m|z|p] block sizes in ONE_REG
- Inject instruction access fault on unmapped guest fetch
- Use raw spinlock for irqs_pending and irqs_pending_mask
- Fix Spectre-v1 in vector register access via ONE_REG
x86:
- Fixes to SEV selftests.
- Once free_nested() did a VMCLEAR of shadow VMCS, there's no need to VMCLEAR it
again if the kernel is preempted and thread migration happens
- Preserve nested TDP shadow page tables if they are used as roots, instead of
clearing them unnecessarily
- Fix use of stale data if out-of-memory happens after vendor module reload
- Check for invalid/obsolete root *after* making MMU pages available, because
the latter can make a page invalid
- Only reset TSC Deadline Timer in apic_timer_expired on KVM_RUN
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"RISC-V:
- Avoid redundant allocations when allocating IMSIC page tables
- Apply SBI FWFT LOCK flag only on successful set
- Bound SBI PMU counter mask scan to BITS_PER_LONG, since on RV32 the
PMU SBI start/stop helper can only access 32 PMU counters.
- Skip TLB flush when G-stage PTE becomes valid if the Svvptc
extension is available.
- Always show Zicbo[m|z|p] block sizes in ONE_REG
- Inject instruction access fault on unmapped guest fetch
- Use raw spinlock for irqs_pending and irqs_pending_mask
- Fix Spectre-v1 in vector register access via ONE_REG
x86:
- Fixes to SEV selftests
- Once free_nested() did a VMCLEAR of shadow VMCS, there's no need to
VMCLEAR it again if the kernel is preempted and thread migration
happens
- Preserve nested TDP shadow page tables if they are used as roots,
instead of clearing them unnecessarily
- Fix use of stale data if out-of-memory happens after vendor module
reload
- Check for invalid/obsolete root *after* making MMU pages available,
because the latter can make a page invalid
- Only reset TSC Deadline Timer in apic_timer_expired on KVM_RUN"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: Only reset TSC Deadline Timer in apic_timer_expired on KVM_RUN
KVM: selftests: sev_init2_tests: Derive SEV availability from KVM
KVM: selftests: sev_smoke_test: Only run VM types the host offers
KVM: x86/mmu: Fix use-after-free on vendor module reload
KVM: x86/mmu: Preserve nested TDP shadow page tables if they are used as roots
KVM: x86: Check for invalid/obsolete root *after* making MMU pages available
KVM: nVMX: Hide shadow VMCS right after VMCLEAR
KVM: riscv: Fix Spectre-v1 in vector register access
RISC-V: KVM: Serialize virtual interrupt pending state updates
RISC-V: KVM: Inject instruction access fault on unmapped guest fetch
RISC-V: KVM: Zicbo[m|z|p] block sizes should be always present in ONE_REG
riscv: kvm: Skip TLB flush when G-stage PTE becomes valid with Svvptc
KVM: riscv: PMU: Bound counter mask scan to BITS_PER_LONG
KVM: riscv: SBI FWFT: Apply LOCK flag only on successful set
RISC-V: KVM: Avoid redundant page-table allocations in ioremap topup
|
||
|
David Woodhouse
|
f148dd411d |
KVM: selftests: sev_init2_tests: Derive SEV availability from KVM
The test asserted that the X86_FEATURE_SEV CPUID bit exactly matches whether KVM offers KVM_X86_SEV_VM. That is not an invariant: when all SEV ASIDs are assigned to SEV-SNP, KVM does not offer the SEV VM type even though CPUID reports SEV, so the test aborts on an SNP-only host. Derive SEV availability from KVM_CAP_VM_TYPES (as already done for SEV-ES and SNP), assert only the one-way implication that a type offered by KVM is also reported in CPUID, and TEST_REQUIRE() the SEV VM type so the test skips cleanly when it is unavailable. Reviewed-by: Tycho Andersen (AMD) <tycho@kernel.org> Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Message-ID: <5d3c345113748f39b7982e365d241abaf3e11086.1784545391.git.dwmw@amazon.co.uk> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> |
||
|
David Woodhouse
|
cd76ec58be |
KVM: selftests: sev_smoke_test: Only run VM types the host offers
sev_smoke_test ran the plain SEV subtest unconditionally, gated only on the X86_FEATURE_SEV CPUID bit, while gating SEV-ES and SNP on the KVM_CAP_VM_TYPES bits. CPUID reporting SEV does not mean KVM offers the SEV VM type: when all SEV ASIDs are assigned to SEV-SNP, KVM_X86_SEV_VM is unavailable even though X86_FEATURE_SEV is set. On such a host the test aborts in KVM_CREATE_VM instead of exercising the available modes. Gate the SEV subtest on KVM_CAP_VM_TYPES like the others, so the test runs the VM types the host actually offers. Reviewed-by: Tycho Andersen (AMD) <tycho@kernel.org> Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Message-ID: <2b5e7a83d277134294199a455469bb436196b902.1784545391.git.dwmw@amazon.co.uk> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> |
||
|
Stefano Garzarella
|
30c82aa0a8 |
vsock/test: add test for small packets under pressure
Add a test that sends 2 MB of data using randomly sized small packets (129-512 bytes) over a SOCK_STREAM connection. Packets above GOOD_COPY_LEN (128) bypass the in-place coalescing in recv_enqueue(), forcing each one into its own skb. Without receive queue collapsing, the per-skb overhead eventually exceeds buf_alloc and the connection is reset. The test verifies that all data arrives and that content integrity is preserved. Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Bobby Eshleman <bobbyeshleman@meta.com> Link: https://patch.msgid.link/20260708102904.50732-3-sgarzare@redhat.com Signed-off-by: Paolo Abeni <pabeni@redhat.com> |
||
|
Daniel Borkmann
|
f789afed94 |
selftests/bpf: Add test for redirect from qdisc qevent block
Add a regression test for the NULL current->bpf_net_context deref hit when a BPF classifier attached to a qdisc qevent block asks for a redirect. The classifier runs from tcf_qevent_handle() on the qdisc enqueue path, outside any bpf_net_context. # LDLIBS=-static PKG_CONFIG='pkg-config --static' ./vmtest.sh -- ./test_progs -t qevent [...] + /etc/rcS.d/S50-startup ./test_progs -t qevent #496/1 tc_qevent/redirect_verdict:OK #496/2 tc_qevent/redirect_helper:OK #496 tc_qevent:OK Summary: 1/2 PASSED, 0 SKIPPED, 0 FAILED Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Link: https://patch.msgid.link/20260706185609.330006-4-daniel@iogearbox.net Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Ricardo B. Marlière
|
ef01724fa2 |
selftests/net: Fix tun IPv6 test addresses to avoid 6to4 range
The IPv6 addresses used for the tun_vnet_udptnl fixture currently fall in
the 2002::/16 prefix, which is reserved for the 6to4 transition mechanism
(RFC 3056).
On systems where the sit module is loaded, the kernel automatically claims
2002::/16 as a 6to4 tunnel prefix. When the test assigns a 2002:: address
to a TUN interface, sit registers a competing local route for the same
address. This ambiguity breaks the GENEVE decapsulation path: packets
injected via the TUN fd are not delivered to the test socket, causing the
IPv6-outer gtgso send_gso_packet variants to fail.
Replace all four IPv6 test addresses with addresses from the fd00:db8::/32
range, which is part of the ULA space (fc00::/7, RFC 4193) and carries no
special kernel semantics.
Fixes:
|
||
|
longlong yan
|
0bd9cfebc1 |
selftests/net: ovpn: fix getaddrinfo memory leak in ovpn_parse_remote()
The ovpn_parse_remote() function has two memory management issues:
1. When both 'host' and 'vpnip' are non-NULL, the first getaddrinfo()
allocation is leaked because 'result' is overwritten by the second
getaddrinfo() call without freeing the first allocation.
2. When both 'host' and 'vpnip' are NULL, 'result' is an uninitialized
stack variable passed to freeaddrinfo(), which is undefined behavior.
Fix by initializing 'result' to NULL and calling freeaddrinfo() after
the first getaddrinfo() result is consumed.
Fixes:
|
||
|
Linus Torvalds
|
94515f3a7d |
BPF fixes:
- Fix a UAF in socket clone early bailout paths (Matt Bobrowski) - Reject unhashed UDP sockets on sockmap update to prevent refcount leaks (Michal Luczaj) - Account for receive queue data in FIONREAD on sockmap sockets without a verdict program (Mattia Meleleo) - Reject negative constant offsets for verifier buffer pointers (Sun Jian) - Fix for tracing of kfuncs with implicit arguments (Ihor Solodrai) Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com> -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQR0/74CM8h5+1E9pgtHLTd7Y1QvgwUCalp3/AAKCRBHLTd7Y1Qv g9J/AQCJzidAmStp1i074sZC7sC1uq+aYIvwycpMTp6hVgyP+AEAw7oKcnGkPGXs jeEDctaLtxBnPMXGAR5UaeqdNqu9ywQ= =zQgn -----END PGP SIGNATURE----- Merge tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf Pull bpf fixes from Kumar Kartikeya Dwivedi: - Fix a UAF in socket clone early bailout paths (Matt Bobrowski) - Reject unhashed UDP sockets on sockmap update to prevent refcount leaks (Michal Luczaj) - Account for receive queue data in FIONREAD on sockmap sockets without a verdict program (Mattia Meleleo) - Reject negative constant offsets for verifier buffer pointers (Sun Jian) - Fix for tracing of kfuncs with implicit arguments (Ihor Solodrai) * tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf: selftests/bpf: Cover tracing implicit kfunc args bpf: Fix tracing of kfuncs with implicit args selftests/bpf: Cover negative buffer pointer offsets bpf: Reject negative const offsets for buffer pointers selftests/bpf: Test FIONREAD on a sockmap socket without a verdict program bpf, sockmap: Account for receive queue in FIONREAD without a verdict program selftests/bpf: Fail unbound UDP on sockmap update selftests/bpf: Adapt sockmap update error handling bpf, sockmap: Reject unhashed UDP sockets on sockmap update selftests/bpf: Ensure UDP sockets are bound bpf: Fix UAF in sock clone early bailouts |
||
|
Linus Torvalds
|
e13caf1c26 |
Including fixes from Wireless, IPsec, Netfilter and Bluetooth.
Current release - new code bugs:
- netfilter: flowtable: use correct direction to set up tunnel route
Previous releases - regressions:
- wifi:
- mac80211:
- free AP_VLAN bc_buf SKBs outside IRQ lock
- defer link RX stats percpu free to RCU
- fix double free on alloc failure
- cfg80211: convert pmsr_free_wk to wiphy_work to fix deadlock
- ipv4: free fib_alias with kfree_rcu() on insert error path
- sched: act_tunnel_key: Defer dst_release to RCU callback
- xfrm: fix sk_dst_cache double-free in xfrm_user_policy()
- bluetooth: fix locking in unpair_device/disconnect_sync
- can: add locking for raw flags bitfield
- openvswitch: reject oversized nested action attrs
- eth: bnxt_en: handle partially initialized auxiliary devices
- eth: ppp: defer channel free to an RCU grace period to fix UAF
Previous releases - always broken:
- netfilter: xt_nat: reject unsupported target families
- wifi:
- brcmfmac: fix heap overflow on a short auth frame
- cfg80211: add missing FTM API validation
- xfrm:
- reject optional IPTFS templates in outbound policies
- policy: preallocate inexact bins before xfrm_hash_rebuild reinsert
- bluetooth: revalidate LOAD_CONN_PARAM queued update
- can: fix lockless bound/ifindex race and silent RX_SETUP failure
- eth: mlx5: free mlx5_st_idx_data on final dealloc
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from Wireless, IPsec, Netfilter and Bluetooth.
Current release - new code bugs:
- netfilter: flowtable: use correct direction to set up tunnel route
Previous releases - regressions:
- wifi:
- mac80211:
- free AP_VLAN bc_buf SKBs outside IRQ lock
- defer link RX stats percpu free to RCU
- fix double free on alloc failure
- cfg80211: convert pmsr_free_wk to wiphy_work to fix deadlock
- ipv4: free fib_alias with kfree_rcu() on insert error path
- sched: act_tunnel_key: Defer dst_release to RCU callback
- xfrm: fix sk_dst_cache double-free in xfrm_user_policy()
- bluetooth: fix locking in unpair_device/disconnect_sync
- can: add locking for raw flags bitfield
- openvswitch: reject oversized nested action attrs
- eth:
- bnxt_en: handle partially initialized auxiliary devices
- ppp: defer channel free to an RCU grace period to fix UAF
Previous releases - always broken:
- netfilter: xt_nat: reject unsupported target families
- wifi:
- brcmfmac: fix heap overflow on a short auth frame
- cfg80211: add missing FTM API validation
- xfrm:
- reject optional IPTFS templates in outbound policies
- policy: preallocate inexact bins before xfrm_hash_rebuild reinsert
- bluetooth: revalidate LOAD_CONN_PARAM queued update
- can: fix lockless bound/ifindex race and silent RX_SETUP failure
- eth: mlx5: free mlx5_st_idx_data on final dealloc"
* tag 'net-7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (108 commits)
mpls: fix NULL deref in mpls_valid_fib_dump_req() on CONFIG_INET=n
llc: fix SAP refcount leak when creating incoming sockets
selftests: netconsole: only restore MAC when it changed on resume
bnxt_en: Handle partially initialized auxiliary devices
sctp: fix auth_hmacs array size in struct sctp_cookie
net/sched: act_tunnel_key: Defer dst_release to RCU callback
dpll: fix NULL pointer dereference in dpll_msg_add_pin_ref_sync()
tcp: fix TIME_WAIT socket reference leak on PSP policy failure
net/mlx5: free mlx5_st_idx_data on final dealloc
can: isotp: serialize TX state transitions under so->rx_lock
can: isotp: fix use-after-free race with concurrent NETDEV_UNREGISTER
can: isotp: use unconditional synchronize_rcu() in isotp_release()
can: bcm: track a single source interface for ANYDEV timeout/throttle ops
can: bcm: fix data race on rx_stamp/rx_ifindex in bcm_rx_handler()
can: bcm: fix stale rx/tx ops after device removal
can: bcm: add missing device refcount for CAN filter removal
can: bcm: validate frame length in bcm_rx_setup() for RTR replies
can: bcm: extend bcm_tx_lock usage for data and timer updates
can: bcm: add missing rcu list annotations and operations
can: bcm: fix CAN frame rx/tx statistics
...
|
||
|
Andre Carvalho
|
04aeddf2da |
selftests: netconsole: only restore MAC when it changed on resume
The "mac" bind mode reactivation downs the interface, restores the saved
MAC and renames it to trigger a target resume. This assumes the recreated
interface comes back with a different MAC, which is true under
MACAddressPolicy=none (as on the Netdev CI) but not when MACs are
persistent. In the persistent case netconsole resumes the target on its
own, and the down/restore/rename flow instead drops it and fails the test.
Guard the block on the MAC having actually changed so the test passes
under both policies.
Fixes:
|
||
|
Kumar Kartikeya Dwivedi
|
0af15f3057 |
selftests/bpf: Cover tracing implicit kfunc args
KF_IMPLICIT_ARGS kfuncs have a BPF-call prototype and a real kernel target prototype. Add a tracing selftest that attaches fentry and fexit programs to bpf_kfunc_implicit_arg(), runs a syscall BPF program that calls it, and checks that the tracing context exposes both the explicit argument and the implicit prog aux pointer. Co-developed-by: Ihor Solodrai <ihor.solodrai@linux.dev> Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com> Signed-off-by: Ihor Solodrai <ihor.solodrai@linux.dev> Link: https://patch.msgid.link/20260713235223.1639022-3-ihor.solodrai@linux.dev Signed-off-by: Eduard Zingerman <eddyz87@gmail.com> |
||
|
Linus Torvalds
|
481ed5dd3e |
Landlock fix for v7.2-rc4
-----BEGIN PGP SIGNATURE----- iIYEABYKAC4WIQSVyBthFV4iTW/VU1/l49DojIL20gUCalkmfRAcbWljQGRpZ2lr b2QubmV0AAoJEOXj0OiMgvbSEScA/0ulphDJlXSqY1pEVlnBevE4IefLi7gnjfAj vH0N8fVfAP91GUMSwhj/i308G2pO4Uh+gJykCUqQjoVyf3I5KKm4AA== =lyOn -----END PGP SIGNATURE----- Merge tag 'landlock-7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux Pull landlock fix from Mickaël Salaün: "This fixes TCP Fast Open support, specific test environments, and doc warnings" * tag 'landlock-7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux: selftests/landlock: Skip scoped_signal subtest with MSG_OOB if not available selftests/landlock: Fix screwed up pointers in the scoped_signal_test landlock: Update formatting landlock: Fix kernel-doc for the nested quiet layer flag selftests/landlock: Add test for TCP fast open landlock: Fix TCP Fast Open connection bypass |
||
|
Linus Torvalds
|
c270a4218b |
Arm:
- Fix an accounting buglet when reclaiming pages from a protected guest
- Fix a bunch of architectural compliance issues when injecting a
synthesised exception, most of which were missing the PSTATE.IL bit
indicating a 32bit-wide instruction
- Another set of fixes addressing issues with translation of VNCR_EL2,
including corner cases where the guest point that register at a RO
page...
- Don't warn when trapping accesses to ZCR_EL2 from an L2 guest, as
that's not unexpected at all
- Address a bunch of races with LPI migration vs LPIs being disabled
- Fix a total howler of a bug combining FEAT_MOPS and NV, resulting in
exception returning in the wrong place...
- Move locking for kvm_io_bus_get_dev() into the caller, ensuring
race-free checks that the returned object is of the correct type
- Fix initialisation of the page-table walk level when relaxing
permissions
- Correctly update the XN attribute when relaxing permissions
- Fix the sign extension of loads from emulated MMIO regions
- Assorted collection of fixes for pKVM's FFA proxy, together with a
couple of FFA driver adjustments
- Coerce Fuad Tabba into a reviewer role, and may his Inbox catch fire!
s390:
- more gmap KVM memory management fixes
- PCI passthru fixes
x86:
- Fix a bug where KVM will trigger a UAF if updating IOMMU IRTEs fails when
registering an IRQ-bypass producer.
- Ignore pending PV EOI instead of BUG()ing the host if the feature was
disabled by the guest.
- Fix nVMX bugs where KVM would run L1 with an L1-controlled CR3 after a
failed "late" consistency check when KVM is NOT using EPT.
- Disallow intra-host migration/mirroring of SNP VMs as KVM doesn't yet
support moving/mirroring SNP state.
- Fix a TOCTOU bug in KVM's handling of the "trusted" CPUID for TDX guests.
- Fix a NULL pointer deref in trace_kvm_inj_exception() where a change to the
core infrastructure missed KVM's unique (ab)use of __print_symbolic().
- Put vmcs12 pages if nested VM-Enter fails due to invalid guest state
- Fix TLB conflicts between two VMs if one of them VM is run on a CPU before
and after it is hotplugged.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"arm64:
- Fix an accounting buglet when reclaiming pages from a protected
guest
- Fix a bunch of architectural compliance issues when injecting a
synthesised exception, most of which were missing the PSTATE.IL bit
indicating a 32bit-wide instruction
- Another set of fixes addressing issues with translation of
VNCR_EL2, including corner cases where the guest point that
register at a RO page...
- Don't warn when trapping accesses to ZCR_EL2 from an L2 guest, as
that's not unexpected at all
- Address a bunch of races with LPI migration vs LPIs being disabled
- Fix a total howler of a bug combining FEAT_MOPS and NV, resulting
in exception returning in the wrong place...
- Move locking for kvm_io_bus_get_dev() into the caller, ensuring
race-free checks that the returned object is of the correct type
- Fix initialisation of the page-table walk level when relaxing
permissions
- Correctly update the XN attribute when relaxing permissions
- Fix the sign extension of loads from emulated MMIO regions
- Assorted collection of fixes for pKVM's FFA proxy, together with a
couple of FFA driver adjustments
- Coerce Fuad Tabba into a reviewer role, and may his Inbox catch
fire!
s390:
- more gmap KVM memory management fixes
- PCI passthru fixes
x86:
- Fix a bug where KVM will trigger a UAF if updating IOMMU IRTEs
fails when registering an IRQ-bypass producer
- Ignore pending PV EOI instead of BUG()ing the host if the feature
was disabled by the guest
- Fix nVMX bugs where KVM would run L1 with an L1-controlled CR3
after a failed "late" consistency check when KVM is NOT using EPT
- Disallow intra-host migration/mirroring of SNP VMs as KVM doesn't
yet support moving/mirroring SNP state
- Fix a TOCTOU bug in KVM's handling of the "trusted" CPUID for TDX
guests
- Fix a NULL pointer deref in trace_kvm_inj_exception() where a
change to the core infrastructure missed KVM's unique (ab)use of
__print_symbolic()
- Put vmcs12 pages if nested VM-Enter fails due to invalid guest
state
- Fix TLB conflicts between two VMs if one of them VM is run on a CPU
before and after it is hotplugged"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (48 commits)
KVM: SVM: Bump asid_generation on CPU online to avoid ASID collision after hotplug
KVM: nVMX: Put vmcs12 pages if nested VM-Enter fails due to invalid guest state
KVM: x86: Fix null pointer deref due to dummy array in trace_kvm_inj_exception()
KVM: TDX: Reject concurrent change to CPUID entry count
KVM: selftests: Verify SNP VMs are rejected from migration and mirroring
KVM: SEV: Do not allow intra-host migration/mirroring of SNP VMs
KVM: s390: pci: Fix handling of AIF enable without AISB
KVM: s390: Improve kvm_s390_vm_stop_migration()
KVM: s390: Fix dat_crste_walk_range() early return
KVM: s390: vsie: Avoid potential deadlock with real spaces
KVM: s390: pci: Fix GISC refcount leak on AIF enable failure
KVM: nVMX: Don't use vmcs01.GUEST_CR3 to snapshot L1's CR3 when EPT is disabled
KVM: nVMX: Move vTPR vs. TPR Threshold consistency check into "normal" checks
KVM: x86: Ignore pending PV EOI if the vCPU has since disabled PV EOIs
KVM: x86: Nullify irqfd->producer if updating IRTE for bypass fails
KVM: arm64: Fix propagation of TLBI level in kvm_pgtable_stage2_relax_perms()
firmware: arm_ffa: Fix Endpoint Memory Access Descriptor offset calculation
firmware: arm_ffa: Fix out-of-bound writes in ffa_setup_and_transmit()
KVM: arm64: Zero out the stack initialized data in the FFA handler
KVM: arm64: Ensure FFA ranges are page aligned
...
|
||
|
Linus Torvalds
|
e144887d3a |
linux_kselftest-fixes-7.2-rc4
Fixes ftrace reading enabled_func test in add_remove_fprobe_module test. Fixes tracing trigger-hist-poll.tc to use sched_process_exit. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEPZKym/RZuOCGeA/kCwJExA0NQxwFAmpX+5wACgkQCwJExA0N Qxyq7g/+OtuW/7PVeE8ozJEvT6Zc03hnf1eOZmtoT/w1BQ0Fsc2K4NGZg/xOHaV4 HtKmEW1CH92ILhGc2dry1xzwPkb+X6ouzUl0gej3r4cV6SKoAS7ssGfLEbNUrZnb 2egGQCtFN0lqurCqM6bZuz/I/P13LNBqhptdlNAJ5rE3bvufBCz7bBQTMZIaSUQ9 Jx7KnXNNW3qa8M3u0Luj3OBot2+jrvg7VPIU/nWFo48qCETHiXYOYC1ScAjA+pfy CtyG90gd3MJMcXALvGVTaiIr7APb8UExchlm3OEWkrnd/cacTh09yRtFKqsKkN97 OHOR/d0GSLz586tGMG5v5WrQaQ2yTpn0XuWGIu5MHflOqRkVlr4nHOkajjIgDKzx o1fcLGGHZzgNDdb/mbszAfFObVnwZdr6ZBlImo0HkCPE2suQdgxPqWv55xwRsdg+ 7CKjxK0AzJpe2pmFNuUiYR41LrtPRxfM+xrxixsXHqY8/eSdB9hqLurQdRbMXZs1 DpM0sl/DHfTQ+gbsWGBKTS90OrBbz3zKGnEDimWveqo8PKtmKHMFvKHu++eGjXrA Nvh6iCsRzGttIMfU7pwMW7+Qo9bWw5eF/tVPsp8OoePrH1FjKgtLYspK0VZli1i4 IAiHQsvlNC5JnbdB354t7qFWNS2+qYEUk7ok3+pbaYJuhn4YFMU= =Bydi -----END PGP SIGNATURE----- Merge tag 'linux_kselftest-fixes-7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull kselftest fixes from Shuah Khan: - Fix ftrace reading enabled_func test in add_remove_fprobe_module test - Fix tracing trigger-hist-poll.tc to use sched_process_exit * tag 'linux_kselftest-fixes-7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: selftests/tracing: Have trigger-hist-poll.tc use sched_process_exit selftests/ftrace: Fix reading enabled_functions in add_remove_fprobe_module test |
||
|
Paolo Bonzini
|
37694e5dd0 |
KVM x86 fixes for 7.2-rcN
- Fix a bug where KVM will trigger a UAF if updating IOMMU IRTEs fails when
registering an IRQ-bypass producer.
- Ignore pending PV EOI instead of BUG()ing the host if the feature was
disabled by the guest.
- Fix nVMX bugs where KVM would run L1 with an L1-controlled CR3 after a
failed "late" consistency check when KVM is NOT using EPT.
- Disallow intra-host migration/mirroring of SNP VMs as KVM doesn't yet
support moving/mirroring SNP state.
- Fix a TOCTOU bug in KVM's handling of the "trusted" CPUID for TDX guests.
- Fix a NULL pointer deref in trace_kvm_inj_exception() where a change to the
core infrastructure missed KVM's unique (ab)use of __print_symbolic().
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Merge tag 'kvm-x86-fixes-7.2-rc4' of https://github.com/kvm-x86/linux into HEAD
KVM x86 fixes for 7.2-rcN
- Fix a bug where KVM will trigger a UAF if updating IOMMU IRTEs fails when
registering an IRQ-bypass producer.
- Ignore pending PV EOI instead of BUG()ing the host if the feature was
disabled by the guest.
- Fix nVMX bugs where KVM would run L1 with an L1-controlled CR3 after a
failed "late" consistency check when KVM is NOT using EPT.
- Disallow intra-host migration/mirroring of SNP VMs as KVM doesn't yet
support moving/mirroring SNP state.
- Fix a TOCTOU bug in KVM's handling of the "trusted" CPUID for TDX guests.
- Fix a NULL pointer deref in trace_kvm_inj_exception() where a change to the
core infrastructure missed KVM's unique (ab)use of __print_symbolic().
|
||
|
Paolo Bonzini
|
15f8ba7806 |
KVM/arm64 fixes for 7.2, take #2
- Move locking for kvm_io_bus_get_dev() into the caller, ensuring race-free checks that the returned object is of the correct type - Fix initialisation of the page-table walk level when relaxing permissions - Correctly update the XN attribute when relaxing permissions - Fix the sign extension of loads from emulated MMIO regions - Assorted collection of fixes for pKVM's FFA proxy, together with a couple of FFA driver adjustments -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEn9UcU+C1Yxj9lZw9I9DQutE9ekMFAmpOLOIACgkQI9DQutE9 ekPH5Q//VrbqIVfJekxRoI0B8zWpnG52q9ILdZBEhTL+xHEP+Z8WawzbpfHzv9LQ tt7rUk8gmkGBvMXdY3fZaLkaQRDGvg51SKclxIaoNdmrav7Sscz/sar7P8QWUuIb d0EQ3hqV+2hvNFqUVy0cTAFoog0U00KDpdBV136ePTYgT7/N0B8fiFStdHzVP80H 0WbeWnB0LB15mnkCkO0QY4QmEozfnjKYPrhv52fZFSmnc0BLY3muSR0y+lZ1FtN0 c2aUiYH/iyIkmmpEZyMYzzhwnMkPwwTIof1OgQ93//JUPkmEUtun5SNQ9YaQw/cd /IKDo5xhEn/3jH6Zo2th8oKhH4q5mSOxBd8WH/hkwnTpZYbUZ5Q0647QHHEtWWEp mEdQFroaORrPXtHfKSeltkr5JKWK9vweARwbTcLmNwbGfLqZGgJe8/FgOw8Q3lXB wZcmNc5TqGe4QWiatH7qKTdqulWdQMrRE2XRAinfrfOfZMg69cnNizWAdNPVhPfw B5yewkPrPwZNNXGksZOXfbFN7TnIM2M8j7uwXl5D3rGi/ebDp5ByuVKkP5ZNLnz3 D666cORhX1zdCfqbLx4mhPs+vcqmL8HHMASlaJg+hH1se/veLbkEZ9GIrjw8Y0iO SMUJvwJ5Z2SZpvCKGsC85Wdm/pIBLLh5ISIW8wDIIw+7BoMrXFY= =RmEk -----END PGP SIGNATURE----- Merge tag 'kvmarm-fixes-7.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD KVM/arm64 fixes for 7.2, take #2 - Move locking for kvm_io_bus_get_dev() into the caller, ensuring race-free checks that the returned object is of the correct type - Fix initialisation of the page-table walk level when relaxing permissions - Correctly update the XN attribute when relaxing permissions - Fix the sign extension of loads from emulated MMIO regions - Assorted collection of fixes for pKVM's FFA proxy, together with a couple of FFA driver adjustments |
||
|
Sun Jian
|
6f59deb32e |
selftests/bpf: Cover negative buffer pointer offsets
Add verifier coverage for constant negative offsets on PTR_TO_TP_BUFFER and PTR_TO_BUF pointers. Both programs adjust the buffer pointer by -8 and access it at offset zero, so the negative effective start must be rejected at load time. Switch the raw tracepoint writable attach checks from nbd_send_request to bpf_testmod_test_writable_bare_tp, avoiding a dependency on the NBD tracepoint. Keep the existing past-end case and add a case with a negative var_off compensated by a positive instruction offset. The effective start remains non-negative, so the program loads, but its access end exceeds the writable context size and bpf_raw_tracepoint_open() must return -EINVAL. Cc: stable@vger.kernel.org # 5.2.0 Signed-off-by: Sun Jian <sun.jian.kdev@gmail.com> Acked-by: Shung-Hsi Yu <shung-hsi.yu@suse.com> Link: https://patch.msgid.link/20260714093846.18159-3-sun.jian.kdev@gmail.com Signed-off-by: Eduard Zingerman <eddyz87@gmail.com> |
||
|
Mattia Meleleo
|
a42f05cc4c
|
selftests/bpf: Test FIONREAD on a sockmap socket without a verdict program
Add a test validating that FIONREAD on a TCP socket in a sockmap without a verdict program reports data pending in sk_receive_queue. Signed-off-by: Mattia Meleleo <mattia.meleleo@coralogix.com> Reviewed-by: Jiayuan Chen <jiayuan.chen@linux.dev> Reviewed-by: Emil Tsalapatis <emil@etsalapatis.com> Reviewed-by: John Fastabend <john.fastabend@gmail.com> Link: https://lore.kernel.org/bpf/20260708-fionread-no-verdict-v3-2-b4ee31b3af53@coralogix.com Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com> |
||
|
Michal Luczaj
|
203b069327
|
selftests/bpf: Fail unbound UDP on sockmap update
sockmap now rejects unbound UDP sockets. Adjust test_maps. While at it,
check socket()'s return value.
This effectively reverts commit
|
||
|
Michal Luczaj
|
30581eda4a
|
selftests/bpf: Adapt sockmap update error handling
Update sockmap_listen to accommodate the recent change in sockmap that rejects unbound UDP sockets. TCP: Reject unbound and bound (unless established or listening). UDP: Accept only bound sockets. While at it, migrate to ASSERT_* and enforce reverse xmas tree. Signed-off-by: Michal Luczaj <mhal@rbox.co> Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com> Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com> Link: https://lore.kernel.org/bpf/20260707-sockmap-lookup-udp-leak-v4-3-f878346f27ab@rbox.co Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com> |
||
|
Michal Luczaj
|
fe3ff27376
|
selftests/bpf: Ensure UDP sockets are bound
Update sockmap_basic tests to bind sockets before they are used. This accommodates the recent change in sockmap that rejects unbound UDP sockets. Signed-off-by: Michal Luczaj <mhal@rbox.co> Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com> Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com> Link: https://lore.kernel.org/bpf/20260707-sockmap-lookup-udp-leak-v4-1-f878346f27ab@rbox.co Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com> |
||
|
Linus Torvalds
|
58717b2a13 |
A collection of small fixes. All are device-specific fixes (including
regression fixes) or quirks accumulated since the last update.
Some highlights:
* USB-audio:
- Fix per-channel volume imbalance regression for sticky mixers
- Validate input packet length in caiaq driver
- Quirks for iBasso DC-Elite, Musical Fidelity M6s DAC, and Redragon
H510-PRO Wireless headset
* HD-audio:
- Fix a long-standing bug of cached processing coefficient verbs
- Make cs35l56 driver failing with missing firmware
- Fix cirrus codec Kconfig dependency, update MAINTAINERS
- Remove unneeded mic bias threshold override on Conexant
- Realtek codec quirks for ASUS ROG Ally X (headphone & mic), Dell
QCM1255, Legion Pro 7, HP/Victus laptops, Framework, and TongFang
laptops
* ASoC:
- Add Eliza audio support on Qualcomm sc8280xp/sm8250 SoCs
- Fix SDCA linker error with ACP on AMD
- A few fixes for AMD ACP PCI driver
- Add TAS2783 support on AMD ACP 7.0 platforms
- Reset RT712-SDCA codec to fix silent headphone issue
- Soft reset S/PDIF datapath on Meson AIU FIFO
- Jack report fix for cs42l43
- TAS2562 shutdown GPIO clearing fix
- Sidecar amps quirk for Lenovo laptop in SOF SDW driver
* Misc:
- Drop redundant mod_devicetable.h includes from FireWire drivers
- Fix memory leak and format mismatch in mixer kselftest
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Merge tag 'sound-7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of small fixes. All are device-specific fixes (including
regression fixes) or quirks accumulated since the last update. Some
highlights:
USB-audio:
- Fix per-channel volume imbalance regression for sticky mixers
- Validate input packet length in caiaq driver
- Quirks for iBasso DC-Elite, Musical Fidelity M6s DAC, and Redragon
H510-PRO Wireless headset
HD-audio:
- Fix a long-standing bug of cached processing coefficient verbs
- Make cs35l56 driver failing with missing firmware
- Fix cirrus codec Kconfig dependency, update MAINTAINERS
- Remove unneeded mic bias threshold override on Conexant
- Realtek codec quirks for ASUS ROG Ally X (headphone & mic), Dell
QCM1255, Legion Pro 7, HP/Victus laptops, Framework, and TongFang
laptops
ASoC:
- Add Eliza audio support on Qualcomm sc8280xp/sm8250 SoCs
- Fix SDCA linker error with ACP on AMD
- A few fixes for AMD ACP PCI driver
- Add TAS2783 support on AMD ACP 7.0 platforms
- Reset RT712-SDCA codec to fix silent headphone issue
- Soft reset S/PDIF datapath on Meson AIU FIFO
- Jack report fix for cs42l43
- TAS2562 shutdown GPIO clearing fix
- Sidecar amps quirk for Lenovo laptop in SOF SDW driver
Misc:
- Drop redundant mod_devicetable.h includes from FireWire drivers
- Fix memory leak and format mismatch in mixer kselftest"
* tag 'sound-7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (36 commits)
ALSA: usb-audio: Add delay quirk for iBasso DC-Elite
ALSA: hda: conexant: Remove mic bias threshold override
ALSA: hda/realtek: Fix speakers on Legion Pro 7 16ARX8H with codec SSID 17aa:38a7
ALSA: hda/realtek: Fix speakers on MECHREVO WUJIE Series
ALSA: hda: cs35l56: Fail if wmfw file is missing
ALSA: usb-audio: Skip DSD quirk for Musical Fidelity M6s DAC
ALSA: hda: MAINTAINERS: Fix missing cirrus* file reference
ALSA: hda/cirrus_scodec: Make Kconfig visible if KUNIT
ALSA: hda/realtek: Add quirk for TongFang X6xx45xU
ALSA: hda/realtek - Fixed Headphone noise issue for Dell QCM1255
ASoC: tas2562: fix deprecated 'shut-down' GPIO always cleared after lookup
ASoC: cs42l43: Correct report for forced microphone jack
ASoC: qcom: sc8280xp: Add support for Eliza
ASoC: dt-bindings: qcom,sm8250: Add Eliza sound card
ASoC: dt-bindings: qcom: Add Eliza LPASS macro codecs
ALSA: hda/realtek: Add mic mute LED quirk for HP Laptop 15-fd0xxx
ALSA: hda/realtek - Add quirk for HP Victus 15-fa0xxx (MB 8A50)
ALSA: usb-audio: Add quirk for Redragon H510-PRO Wireless headset
ASoC: amd: ps: replace bitwise OR with logical OR in IRQ return check
ASoC: amd: ps: fix wrong ACP version string in pci_request_regions()
...
|
||
|
Linus Torvalds
|
f7574d3f90 |
sched_ext: Fixes for v7.2-rc3
- Lifecycle fixes for the new sub-scheduler support: two use-after-frees and an enable-failure path that left a half-initialized sub-scheduler linked. - Two dispatch-path locking bugs: a spurious scheduler abort from a migration race, and a lockdep splat from stale runqueue-lock tracking. - Callback and task-state fixes: stale scheduler-owned state on a task leaving SCX, a weight callback running after disable, and a bogus warning on core-scheduling forced idle. - On nohz_full, finite-slice tasks could miss the tick that expires their slice. Enable it when such a task is picked, with a selftest. - Smaller fixes: userspace CPU-mask helpers, ratelimited deprecation warnings, docs and a sparse annotation. -----BEGIN PGP SIGNATURE----- iIQEABYKACwWIQTfIjM1kS57o3GsC/uxYfJx3gVYGQUCalVWgw4cdGpAa2VybmVs Lm9yZwAKCRCxYfJx3gVYGTmUAP0QHX7Ae/g7yMPEB4slURpnSj/wE7hRCI5jTmay 2iIEJgD/RAhpwUUAp4Abozt0mjQMWh9UyEVjOxPCVNKaNh1XfwU= =EBCm -----END PGP SIGNATURE----- Merge tag 'sched_ext-for-7.2-rc3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext Pull sched_ext fixes from Tejun Heo: - Lifecycle fixes for the new sub-scheduler support: two use-after-frees and an enable-failure path that left a half-initialized sub-scheduler linked. - Two dispatch-path locking bugs: a spurious scheduler abort from a migration race, and a lockdep splat from stale runqueue-lock tracking. - Callback and task-state fixes: stale scheduler-owned state on a task leaving SCX, a weight callback running after disable, and a bogus warning on core-scheduling forced idle. - On nohz_full, finite-slice tasks could miss the tick that expires their slice. Enable it when such a task is picked, with a selftest. - Smaller fixes: userspace CPU-mask helpers, ratelimited deprecation warnings, docs and a sparse annotation. * tag 'sched_ext-for-7.2-rc3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext: sched_ext: Skip ops.set_weight() for disabled tasks tools/sched_ext: scx - Fix cmask_subset(), cmask_equal() and cmask_weight() sched_ext: Fix premature ops->priv publication in scx_alloc_and_add_sched() sched_ext: Record an error on errno-only sub-enable failure selftests/sched_ext: Verify nohz_full tick behavior sched_ext: Enable tick for finite slices on nohz_full sched_ext: Preserve rq tracking across local DSQ dispatch sched_ext: Documentation: Fix ops table header reference sched_ext: Don't warn on core-sched forced idle in put_prev_task_scx() sched_ext: Pin parent scx_sched across a child sub-scheduler's lifetime sched_ext: Annotate ksyncs with __rcu in alloc/free_kick_syncs() sched_ext: Check remote rq eligibility under task's rq lock sched_ext: Reset dsq_vtime and slice when a task leaves SCX sched_ext: Avoid flooding the log with deprecation warnings |
||
|
Linus Torvalds
|
f94f853f6d |
RTLA fixes for v7.2:
- Fix missing unistd include A missing #include <unistd.h> broke build on uclibc systems. Add the include to fix it. - Fix missing tools/lib/ctype.c dependency RTLA links tools/lib/string.c as a dependency of libsubcmd, some of its functions require _ctype. Link tools/lib/ctype.c as well, to fix build without GCC LTO. -----BEGIN PGP SIGNATURE----- iIoEABYKADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCalVLJxQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qirUAP9pqYHgcHkaJpLXJYNXAAkd45qzo0RD 17QgHysPOwnYlwEAlnudrPPBLnSLnjw+0NgOolMJKu38h2vIjcVEbmuZaAE= =BGaW -----END PGP SIGNATURE----- Merge tag 'trace-tools-v7.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull RTLA fixes from Steven Rostedt: - Fix missing unistd include A missing #include <unistd.h> broke build on uclibc systems. Add the include to fix it. - Fix missing tools/lib/ctype.c dependency RTLA links tools/lib/string.c as a dependency of libsubcmd, some of its functions require _ctype. Link tools/lib/ctype.c as well, to fix build without GCC LTO. * tag 'trace-tools-v7.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: rtla: Also link in ctype.c rtla: Fix missing unistd include |
||
|
Linus Torvalds
|
534f8f051e |
USB fixes for 7.2-rc3
Here are a number of small USB driver fixes for many reported issues. Included in here are: - usb serial driver corruption and use-after-free fixes - usb gadget rndis bugfixes for malicious/buggy host connections - typec driver fixes for a load of different tiny reported issues - typec mux driver revert for a broken patch in -rc1 - usb gadget driver fixes for many different reported problems - new usb device quirks added - usbip tool fixes and some core usbip fixes as well - dwc3 driver fixes for minor issues - xhci driver fixes for reported problems - lots of other tiny usb driver fixes for many tiny issues All of these have been in linux-next with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCalNSkw8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ynUlACgtUhZOR/MsYMcNbKJe9vk0iG35+AAnjrhznd4 OJqmb+1vVQ7xDm2fq+gz =Ky4T -----END PGP SIGNATURE----- Merge tag 'usb-7.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB fixes from Greg KH: "Here are a number of small USB driver fixes for many reported issues. Included in here are: - usb serial driver corruption and use-after-free fixes - usb gadget rndis bugfixes for malicious/buggy host connections - typec driver fixes for a load of different tiny reported issues - typec mux driver revert for a broken patch in -rc1 - usb gadget driver fixes for many different reported problems - new usb device quirks added - usbip tool fixes and some core usbip fixes as well - dwc3 driver fixes for minor issues - xhci driver fixes for reported problems - lots of other tiny usb driver fixes for many tiny issues All of these have been in linux-next with no reported issues" * tag 'usb-7.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (56 commits) USB: core: ratelimit cabling message usb: misc: usbio: fix disconnect UAF in client teardown Revert "usb: typec: mux: avoid duplicated mux switches" USB: chaoskey: Fix slab-use-after-free in chaoskey_release() usb: ucsi: huawei_gaokun: move typec_altmode off stack usb: typec: tcpci_rt1711h: unregister TCPCI port with devres usb: typec: tcpm: Fix VDM type for Enter Mode commands usb: typec: ucsi: cancel pending work on system suspend usb: typec: class: drop PD lookup reference usb: typec: ps883x: Fix DP+USB3 configuration usb: xhci: Fix sleep in atomic context in xhci_free_streams() xhci: sideband: fix ring sg table pages leak usb: gadget: udc: Fix use-after-free in gadget_match_driver usb: dwc3: run gadget disconnect from sleepable suspend context usb: sl811-hcd: disable controller wakeup on remove usb: typec: anx7411: use devm_pm_runtime_enable() usb: dwc3: fix dwc3_readl() and dwc3_writel() calls in dwc3_ulpi_setup() USB: misc: uss720: unregister parport on probe failure usb: gadget: function: rndis: add length check for header usb: gadget: function: rndis: add length check to response query ... |
||
|
Linus Torvalds
|
2f9eb0c54a |
RISC-V updates for v7.2-rc3
- Avoid a null pointer deference in machine_kexec_prepare() that the
IMA subsystem can trigger
- Bypass libc in part of the ptrace_v_not_enabled kselftest to avoid
noise from child atfork handlers that libc might run
- Include Kconfig support for UltraRISC SoCs, already referenced by
some device drivers; and enable it in our defconfig
- Fix the build of the rseq kselftest for RISC-V by borrowing a
technique from the KVM and S390 kselftests that includes
arch-specific header files from tools/arch/<arch>/include
- Fix some memory leaks in the RISC-V vector ptrace kselftests
- Clean up some DT bindings and hwprobe documentation
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Merge tag 'riscv-for-linus-7.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Paul Walmsley:
"The most notable change involves the rseq kselftest common Makefile
(as it is not RISC-V-specific). The basic approach in the patch
appears similar to one used in the KVM and S390 selftests (grep for
LINUX_TOOL_ARCH_INCLUDE and SUBARCH), and the rseq kselftests pass a
quick build test on x86 after this.
- Avoid a null pointer deference in machine_kexec_prepare() that the
IMA subsystem can trigger
- Bypass libc in part of the ptrace_v_not_enabled kselftest to avoid
noise from child atfork handlers that libc might run
- Include Kconfig support for UltraRISC SoCs, already referenced by
some device drivers; and enable it in our defconfig
- Fix the build of the rseq kselftest for RISC-V by borrowing a
technique from the KVM and S390 kselftests that includes
arch-specific header files from tools/arch/<arch>/include
- Fix some memory leaks in the RISC-V vector ptrace kselftests
- Clean up some DT bindings and hwprobe documentation"
* tag 'riscv-for-linus-7.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
selftests/riscv: ptrace: Fix memory leak of regset_data in vector tests
selftests/rseq: Fix a building error for riscv arch
riscv: defconfig: enable ARCH_ULTRARISC
riscv: add UltraRISC SoC family Kconfig support
riscv: hwprobe.rst: Document EXT_ZICFISS and EXT_ZICFILP
riscv: hwprobe.rst: Make indentation consistent
dt-bindings: riscv: sort multi-letter Z extensions alphanumerically
selftests: riscv: Bypass libc in inactive vector ptrace test
riscv: Prevent NULL pointer dereference in machine_kexec_prepare()
|
||
|
Linus Torvalds
|
6205562c59 |
tracing fixes for 7.2:
- Free field in error path of synthetic event parse In __create_synth_event() the field was allocated but was not freed in the error path. - Fix ring_buffer_event_length() on 8 byte aligned architectures On architectures with CONFIG_HAVE_64BIT_ALIGNED_ACCESS set to y, the ring_buffer_event_length() may return the wrong size. This is because archs with that config set will always use the "big event meta header" as that is 8 bytes keeping the payload 8 bytes aligned, even when a 4 byte header could hold the size of the event. But ring_buffer_event_length() doesn't take this into account and only subtracts 4 bytes for the meta header in the length when it should have subtracted 8 bytes. - Have osnoise wait for a full rcu synchronization on unregister osnoise_unregister_instance() used to call synchronize_rcu() before freeing its copy of the instance but was switched to kfree_rcu(). The osniose tracer has code that traverses the instances that it uses, and inst is just a pointer to that instance. By using kfree_rcu() instead of synchronize_rcu(), the instance that the inst pointer is pointing to can be freed while the osnoise code is still referencing it. That is, a rmdir on an instance first unregisters the tracer. When the unregister finishes, the rmdir expects that the tracer is finished with the instance that it is using. By putting back the synchronize_rcu() in osnoise_unregister_instance() the unregistering of osnoise will now return when all the users of the instance have finished. - Remove an unused setting of "ret" in tracing_set_tracer() - Fix ring_buffer_read_page() copying events The commit that changed ring_buffer_read_page() to show dropped events from the buffer itself, split the "commit" variable between the commit value (with flags) and "size" that holds the size of the sub-buffer. A cut and paste error changed the test of the reading from checking the size of the buffer to the size of the event causing reads to only read one event at a time. - Make tracepoint_printk a static variable When the tracing sysctl knobs were move from sysctl.c to trace.c, the variable tracepoint_printk no longer needed to be global. Make it static. - Fix some typos - Fix NULL pointer dereference in func_set_flag() The flags update of the function tracer first checks if the value of the flag is the same and exits if they are, and then it checks if the current tracer is the function tracer and exits if it isn't. The problem is that these checks need to be in a reversed order, as if the tracer isn't the function tracer, then the flag being checked may not exist. Reverse the order of these checks. - Fix ufs core trace events to not dereference a pointer in TP_printk() The TP_printk() part of the TRACE_EVENT() macro is called when the user reads the "trace" file. This can be seconds, minutes, hours, days, weeks, and even months after the data was recorded into the ring buffer. Thus, saving a pointer to an object into the ring buffer and then dereferencing it from TP_printk() can cause harm as the object the pointer is pointing to may no longer exist. Fix all the trace events in ufs core to save the device name in the ring buffer instead of dereferencing the device descriptor from TP_printk(). - Prevent out-of-bound reads in glob matching of trace events The filter logic of events allows simple glob logic to add wild cards to filter on strings. But some events have fields that may not have a terminating 'nul' character. This may cause the glob matching to go beyond the string. Change the logic to always pass in the length of the field that is being matched. - Add no-rcu-check version of trace_##event##_enabled() The trace_##event##_enabled() usually wraps trace events to do extra work that is only needed when the trace event is enabled. But this can hide events that are placed in locations where RCU is not watching, and can make lockdep not see these bugs when the event is not enabled. The trace_##event##_enabled() was updated to always test to make sure RCU is watching to catch locations that may call events without RCU being active. This caused a false positive for the irq_disabled() and related events. As that use trace_irq_disabled_enabled() to force RCU to be watching when the event is enabled via the ct_irq_enter() function, calls the event, and then calls ct_irq_exit() to put RCU back to its original state. The trace_irq_disabled_enabled() should not trigger a warning when RCU is not watching because the code within its block handles the case properly. Make a __trace_##event##_enabled() version for this event to use that doesn't check RCU is watching as it handles the case when it isn't. - Fix use-after-free in user_event_mm_dup() When the enabler is removed from the link list, it is freed immediately. But it is protected via RCU and needs to be freed after an RCU grace period. Use queue_rcu_work() so that the event_mutex can also be taken as user_event_put() takes the mutex on the last reference is released. - Free type string in error path of parse_synth_field() There's an error path in parse_synth_field() where the allocated type string is not freed. - Add selftest that tests deferred event teardown - Fix leak in error path of trace_remote_alloc_buffer() If page allocation fails, the desc->nr_cpus is not incremented for the current CPU and the allocations done for it are not freed. - Fix allocation length in trace_remote_alloc_buffer() The logic to calculate the struct_len was doing a double count and setting the value too large. Calculate the size upfront to fix the error and simplify the logic. - Fix sparse CPU masks in ring_buffer_desc() If there are sparse CPUs (gaps in the numbering), the ring_buffer_desc() will fail as it tests the CPU number against the number of CPUs that are used. -----BEGIN PGP SIGNATURE----- iQJIBAABCgAyFiEEXtmkj8VMCiLR0IBM68Js21pW3nMFAmpTv/cUHHJvc3RlZHRA Z29vZG1pcy5vcmcACgkQ68Js21pW3nN80w/9HEbliUUrJVNw8QCY8BmeBEzfCRhZ 2CeDzTg+UrLMb2BtqUhA9EjQnRPawe8mPxAfpZ750SdFnCkRhbfNwYmKar3M/8iW y2Bhsvd3Hz6nRiHvKhG/1RkflgKOWLYf/TQSByKlakYLV8t4uffa0fe0N0zcnikK XPGrhrTeRDJ7s94vb1u7p7mSSp2iy4ZhfXbagk966X3I4zvseIYNn5IIzyM3IIPT M7mE60SxvgSRz0QqTJqihmqjXYSeNOQ2iU18wnvp4QfcT0IVuLKm027JnK/YpjWS ZasMNGzO1kp5uo6hkXLrMlT3LjaNEMFTGogs1m9o9auhbMf443LK8GtZ1m1rwnTG cXn1PocBevQIaXWPbnxMrSwIuN7YMUqjgX6SCxbXpDxSSuE5i/x1VmE08CjxnSm6 TdAdom9bE44FvMgaAz9+KhIUgm013c2rFDNiFroYtfkma5FqpfnfglA4/TkJvexY e2L75cR3lrDEDiXXMQDndmvxNMhppwNlAH3mOZLiaCmGyFQFHhgAaG250K2Y6a5K HtIfJkT6RQ3rWifV0E0+zlyRiOrvVCCA8WwNArWb1dTWrVU86Hr7q58jAq9p0Yrz FnhpjdE3eWoUHZ5f28AMR2k5lMG3o6mOGT55JyUVCLw+rPSG5358UIg2xZiEo22k RFlT26FFHbMW50Y= =+//w -----END PGP SIGNATURE----- Merge tag 'trace-v7.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull tracing fixes from Steven Rostedt: - Free field in error path of synthetic event parse In __create_synth_event() the field was allocated but was not freed in the error path - Fix ring_buffer_event_length() on 8 byte aligned architectures On architectures with CONFIG_HAVE_64BIT_ALIGNED_ACCESS set to y, the ring_buffer_event_length() may return the wrong size. This is because archs with that config set will always use the "big event meta header" as that is 8 bytes keeping the payload 8 bytes aligned, even when a 4 byte header could hold the size of the event But ring_buffer_event_length() doesn't take this into account and only subtracts 4 bytes for the meta header in the length when it should have subtracted 8 bytes - Have osnoise wait for a full rcu synchronization on unregister osnoise_unregister_instance() used to call synchronize_rcu() before freeing its copy of the instance but was switched to kfree_rcu(). The osniose tracer has code that traverses the instances that it uses, and inst is just a pointer to that instance. By using kfree_rcu() instead of synchronize_rcu(), the instance that the inst pointer is pointing to can be freed while the osnoise code is still referencing it That is, a rmdir on an instance first unregisters the tracer. When the unregister finishes, the rmdir expects that the tracer is finished with the instance that it is using. By putting back the synchronize_rcu() in osnoise_unregister_instance() the unregistering of osnoise will now return when all the users of the instance have finished - Remove an unused setting of "ret" in tracing_set_tracer() - Fix ring_buffer_read_page() copying events The commit that changed ring_buffer_read_page() to show dropped events from the buffer itself, split the "commit" variable between the commit value (with flags) and "size" that holds the size of the sub-buffer. A cut and paste error changed the test of the reading from checking the size of the buffer to the size of the event causing reads to only read one event at a time - Make tracepoint_printk a static variable When the tracing sysctl knobs were move from sysctl.c to trace.c, the variable tracepoint_printk no longer needed to be global. Make it static - Fix some typos - Fix NULL pointer dereference in func_set_flag() The flags update of the function tracer first checks if the value of the flag is the same and exits if they are, and then it checks if the current tracer is the function tracer and exits if it isn't. The problem is that these checks need to be in a reversed order, as if the tracer isn't the function tracer, then the flag being checked may not exist. Reverse the order of these checks - Fix ufs core trace events to not dereference a pointer in TP_printk() The TP_printk() part of the TRACE_EVENT() macro is called when the user reads the "trace" file. This can be seconds, minutes, hours, days, weeks, and even months after the data was recorded into the ring buffer. Thus, saving a pointer to an object into the ring buffer and then dereferencing it from TP_printk() can cause harm as the object the pointer is pointing to may no longer exist Fix all the trace events in ufs core to save the device name in the ring buffer instead of dereferencing the device descriptor from TP_printk() - Prevent out-of-bound reads in glob matching of trace events The filter logic of events allows simple glob logic to add wild cards to filter on strings. But some events have fields that may not have a terminating 'nul' character. This may cause the glob matching to go beyond the string. Change the logic to always pass in the length of the field that is being matched - Add no-rcu-check version of trace_##event##_enabled() The trace_##event##_enabled() usually wraps trace events to do extra work that is only needed when the trace event is enabled. But this can hide events that are placed in locations where RCU is not watching, and can make lockdep not see these bugs when the event is not enabled The trace_##event##_enabled() was updated to always test to make sure RCU is watching to catch locations that may call events without RCU being active This caused a false positive for the irq_disabled() and related events. As that use trace_irq_disabled_enabled() to force RCU to be watching when the event is enabled via the ct_irq_enter() function, calls the event, and then calls ct_irq_exit() to put RCU back to its original state The trace_irq_disabled_enabled() should not trigger a warning when RCU is not watching because the code within its block handles the case properly. Make a __trace_##event##_enabled() version for this event to use that doesn't check RCU is watching as it handles the case when it isn't - Fix use-after-free in user_event_mm_dup() When the enabler is removed from the link list, it is freed immediately. But it is protected via RCU and needs to be freed after an RCU grace period. Use queue_rcu_work() so that the event_mutex can also be taken as user_event_put() takes the mutex on the last reference is released - Free type string in error path of parse_synth_field() There's an error path in parse_synth_field() where the allocated type string is not freed - Add selftest that tests deferred event teardown - Fix leak in error path of trace_remote_alloc_buffer() If page allocation fails, the desc->nr_cpus is not incremented for the current CPU and the allocations done for it are not freed - Fix allocation length in trace_remote_alloc_buffer() The logic to calculate the struct_len was doing a double count and setting the value too large. Calculate the size upfront to fix the error and simplify the logic - Fix sparse CPU masks in ring_buffer_desc() If there are sparse CPUs (gaps in the numbering), the ring_buffer_desc() will fail as it tests the CPU number against the number of CPUs that are used * tag 'trace-v7.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: ring-buffer: Allow sparse CPU masks in ring_buffer_desc() tracing/remotes: Fix struct_len in trace_remote_alloc_buffer() tracing/remotes: Fix leak in trace_remote_alloc_buffer() error path selftests/user_events: Wait for deferred event teardown after unregister tracing/synthetic: Free type string on error path tracing/user_events: Fix use-after-free in user_event_mm_dup() tracing: Add a no-rcu-check version of trace_##event##_enabled() tracing: Prevent out-of-bounds read in glob matching ufs: core: tracing: Do not dereference pointers in TP_printk() tracing: Fix NULL pointer dereference in func_set_flag() samples: ftrace: Fix typos in benchmark comment tracing: Make tracepoint_printk static as not exported ring-buffer: Fix ring_buffer_read_page() copying only one event per page tracing: Remove unused ret assignment in tracing_set_tracer() tracing/osnoise: Call synchronize_rcu() when unregistering ring-buffer: Fix event length with forced 8-byte alignment tracing/synthetic: Free pending field on error path |
||
|
Linus Torvalds
|
d96fcfe1b7 |
arm64 fixes for -rc3
- Fix crash when using SMT hotplug on ACPI systems in conjunction with maxcpus=. - Fix 30% kswapd performance regression introduced by C1-Pro SME erratum workaround. - Fix TLB over-invalidation regression during memory hotplug. - Fix incorrect encoding of FEAT_BWE2 value in ID_AA64DFR2_EL1.BWE. - Typo fixes in the arm64 selftests. -----BEGIN PGP SIGNATURE----- iQFEBAABCgAuFiEEPxTL6PPUbjXGY88ct6xw3ITBYzQFAmpQ3FkQHHdpbGxAa2Vy bmVsLm9yZwAKCRC3rHDchMFjNB5/B/9L6cQyMiFFdHiPdyZs1zzx2U5pTtKZQuLZ KQsJNhEuk0x50zSHJry+Be2FPkbqJzGiEl+cIyMjWt5hbDnTuj1MylLPX1HgpblG oXCsBOq3ahPBCmngLTq9jmQWGqBsc/9x9IscIhICY3hbjyc1esl7OAfRCxZeDjMW +ybpv6pYsheMvNm8NAN3RmpSWgxgiiP50HBdOHkSNNsF8NfVr3SwW7fv2sdaLWEo jdPvpP8k+misIZoXw/tdXhpUlTrseWnuhuV8R08mloJF4J6fMoYgwJNpkOttTphT EomGhwYI7pCqh7otX1GPvcZtzL4OB2zVBCJwmRNmdlOegMnFoWtK =J2Ug -----END PGP SIGNATURE----- Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fixes from Will Deacon: - Fix crash when using SMT hotplug on ACPI systems in conjunction with maxcpus= - Fix 30% kswapd performance regression introduced by C1-Pro SME erratum workaround - Fix TLB over-invalidation regression during memory hotplug - Fix incorrect encoding of FEAT_BWE2 value in ID_AA64DFR2_EL1.BWE - Typo fixes in the arm64 selftests * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: selftests/arm64: fix spelling errors in comments arm64/sysreg: Fix BWE field encoding in ID_AA64DFR2_EL1 arm64/mm: Optimize TLB flush in unmap_hotplug_[pmd|pud]_range() arm64: Avoid eager DVMSync reclaim batches with C1-Pro SME erratum cpu/hotplug: Fix NULL kobject warning in cpuhp_smt_enable() arm64: smp: Fix hot-unplug tearing by forcing unregistration |
||
|
Linus Torvalds
|
f827c27e57 |
gpio fixes for v7.2-rc3
- provide the missing .get_direction() callback in gpio-palmas - fix interrupt handling in gpio-dwapb - add a GPIO self-test program binary to .gitignore - fix a resource leak in gpio-mvebu - make the GPIO sharing heuristic more adaptable -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEkeUTLeW1Rh17omX8BZ0uy/82hMMFAmpQsEsACgkQBZ0uy/82 hMNmAQ/+NXDigkDMVNy5K93G//7YF+OI5UlCB+R1+7eQW1QDpVHx/dEwSnoOST1I ieBfJZ7haT3HqkdcKn8XgNgqsvg2Egn+CjMVXu8HsEIQtgG8L8SycAuFnoKQFgYZ vq6IW3zmQ3sfNH8E0RrJBlT0jthjh95hX1lD9Wp86xcEx2pqIv/yM780NEVIUxhS TdIZwwwvsknPVwjNLL3cJbgj/vcYr36QqK3UBPGj/eiyJnYn3xIuIKrFsd87SUkf 85JytEapkCMBY2svABX3bCzZF2kUuOhA7AaFhIVzVDXAIthl60dd7gFS55eqxEdR 3P1yfcKJZF2G6cYGIAh0QhgcSja6IZa4opp4phD2x5cD6Yp0XWW3l+WbJHWfelNG 1QAfS2gIT7QDVK2Q0kOCLxkdk3mNYK3b2iyNvtnmQMwIzgkzBF7rzS9t+w5tzA8K geeqLt0kehIMtO3M6gMGIJZptzC95nYwlJnq4tDbxeG7VqTjadVsy55XauMk1cET 9fn70RYLlor87xT28svAdpGqd6uOBY7Agd6l/CujPhqTsNDikx4FE6510iDOM0Em fQ45cpQPoqConlowjjtWFhpnIeWAAEdgjwFgdXeYvQTCzaqOIK8XHy20l+sWEO3+ MQeUrJrXf2XMujdEwxu5N8d7UjhNWcHO3g2lfCg4lHzLrc9WnHg= =ld94 -----END PGP SIGNATURE----- Merge tag 'gpio-fixes-for-v7.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux Pull gpio fixes from Bartosz Golaszewski: - provide the missing .get_direction() callback in gpio-palmas - fix interrupt handling in gpio-dwapb - add a GPIO self-test program binary to .gitignore - fix a resource leak in gpio-mvebu - make the GPIO sharing heuristic more adaptable * tag 'gpio-fixes-for-v7.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: gpio: mvebu: free generic chips on unbind selftests: gpio: add gpio-cdev-uaf to .gitignore gpio: dwapb: Mask interrupts at hardware initialization gpio: dwapb: Defer clock gating until noirq gpio: shared: make the voting mechanism adaptable gpios: palmas: add .get_direction() op |
||
|
Steven Rostedt
|
c5c413534d |
selftests/tracing: Have trigger-hist-poll.tc use sched_process_exit
Currently trigger-hist-poll.tc uses sched_process_free to test the polling of the histogram file. The way it does that is to run sleep, then execute the poll.c code that polls on the sched_process_free for up to 4 seconds to test that when sleep triggers the sched_process_free trace event, it will update the histogram and wake the poll.c code up. The issue is that sched_process_free trace event is called by delayed_put_task_struct() which is called after a RCU grace period has ended. If CONFIG_RCU_LAZY is enabled, RCU callbacks are batched together and do not execute right away. This causes the delayed_put_task_struct() to be called after the poll.c function finishes and it will report an error that it did not wake up on the event. That's because the event didn't trigger during its wait time. Use sched_process_exit instead, which is called when a process exits and doesn't depend on RCU callbacks that may be delayed. Link: https://lore.kernel.org/r/20260708163436.058cc3df@gandalf.local.home Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org> |
||
|
Steven Rostedt
|
22a78be412 |
selftests/ftrace: Fix reading enabled_functions in add_remove_fprobe_module test
The add_remove_fprobe_module test checks the number of functions added to the enabled_functions file to make sure that the functions added or removed is as expected. The issue is that it expects this file to be empty on start up. Now that systemd uses BPF that attaches to functions via ftrace, this file is not empty in several systems: # cat /sys/kernel/tracing/enabled_functions bpf_lsm_file_open (1) R D M tramp: ftrace_regs_caller+0x0/0x61 (call_direct_funcs+0x0/0x50) direct(jmp)-->bpf_trampoline_6442529439+0x0/0xe9 Change the test to read the number of lines in enabled_functions at the start of the test and subtract that from the value of the count for the checks within the test. Link: https://lore.kernel.org/r/20260708153239.055d56dd@gandalf.local.home Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org> |
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Atish Patra
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df371f2c62 |
KVM: selftests: Verify SNP VMs are rejected from migration and mirroring
Migration and mirroring of SEV-SNP VMs are not supported yet. Add two selftests that verify KVM rejects intra-host migration and mirroring when the source VM is an SNP VM, so the restriction stays enforced until proper SNP state transfer is implemented. Signed-off-by: Atish Patra <atishp@meta.com> Link: https://patch.msgid.link/20260602-sev_snp_fixes-v3-2-24bfd3ae047c@meta.com Signed-off-by: Sean Christopherson <seanjc@google.com> |
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Wang Yan
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58a37e7317 |
selftests/riscv: ptrace: Fix memory leak of regset_data in vector tests
The regset_data buffer allocated with calloc() in the parent process of several vector ptrace tests is never freed before returning, causing memory leaks in: - ptrace_v_not_enabled - ptrace_v_early_debug - ptrace_v_syscall_clobbering - v_csr_invalid/ptrace_v_invalid_values - v_csr_valid/ptrace_v_valid_values Add free(regset_data) before kill(pid, SIGKILL) to release the allocated buffer. Signed-off-by: Wang Yan <wangyan01@kylinos.cn> Reviewed-by: Sergey Matyukevich <geomatsi@gmail.com> Link: https://patch.msgid.link/20260710083437.489648-1-wangyan01@kylinos.cn [pjw@kernel.org: Fixed Sergey's E-mail address] Signed-off-by: Paul Walmsley <pjw@kernel.org> |