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v6.4
16569 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Paolo Abeni
|
2ba7e7ebb6 |
netfilter pull request 23-06-21
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Merge tag 'nf-23-06-21' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Pablo Neira Ayuso says:
====================
Netfilter/IPVS fixes for net
This is v3, including a crash fix for patch 01/14.
The following patchset contains Netfilter/IPVS fixes for net:
1) Fix UDP segmentation with IPVS tunneled traffic, from Terin Stock.
2) Fix chain binding transaction logic, add a bound flag to rule
transactions. Remove incorrect logic in nft_data_hold() and
nft_data_release().
3) Add a NFT_TRANS_PREPARE_ERROR deactivate state to deal with releasing
the set/chain as a follow up to
|
||
|
Pablo Neira Ayuso
|
938154b93b |
netfilter: nf_tables: reject unbound anonymous set before commit phase
Add a new list to track set transaction and to check for unbound
anonymous sets before entering the commit phase.
Bail out at the end of the transaction handling if an anonymous set
remains unbound.
Fixes:
|
||
|
Pablo Neira Ayuso
|
628bd3e49c |
netfilter: nf_tables: drop map element references from preparation phase
set .destroy callback releases the references to other objects in maps.
This is very late and it results in spurious EBUSY errors. Drop refcount
from the preparation phase instead, update set backend not to drop
reference counter from set .destroy path.
Exceptions: NFT_TRANS_PREPARE_ERROR does not require to drop the
reference counter because the transaction abort path releases the map
references for each element since the set is unbound. The abort path
also deals with releasing reference counter for new elements added to
unbound sets.
Fixes:
|
||
|
Pablo Neira Ayuso
|
26b5a5712e |
netfilter: nf_tables: add NFT_TRANS_PREPARE_ERROR to deal with bound set/chain
Add a new state to deal with rule expressions deactivation from the
newrule error path, otherwise the anonymous set remains in the list in
inactive state for the next generation. Mark the set/chain transaction
as unbound so the abort path releases this object, set it as inactive in
the next generation so it is not reachable anymore from this transaction
and reference counter is dropped.
Fixes:
|
||
|
Pablo Neira Ayuso
|
4bedf9eee0 |
netfilter: nf_tables: fix chain binding transaction logic
Add bound flag to rule and chain transactions as in |
||
|
David S. Miller
|
e438edaae2 |
ipsec-2023-06-20
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||
|
Vladimir Oltean
|
b79d7c14f4 |
net: dsa: introduce preferred_default_local_cpu_port and use on MT7530
Since the introduction of the OF bindings, DSA has always had a policy that
in case multiple CPU ports are present in the device tree, the numerically
smallest one is always chosen.
The MT7530 switch family, except the switch on the MT7988 SoC, has 2 CPU
ports, 5 and 6, where port 6 is preferable on the MT7531BE switch because
it has higher bandwidth.
The MT7530 driver developers had 3 options:
- to modify DSA when the MT7531 switch support was introduced, such as to
prefer the better port
- to declare both CPU ports in device trees as CPU ports, and live with the
sub-optimal performance resulting from not preferring the better port
- to declare just port 6 in the device tree as a CPU port
Of course they chose the path of least resistance (3rd option), kicking the
can down the road. The hardware description in the device tree is supposed
to be stable - developers are not supposed to adopt the strategy of
piecemeal hardware description, where the device tree is updated in
lockstep with the features that the kernel currently supports.
Now, as a result of the fact that they did that, any attempts to modify the
device tree and describe both CPU ports as CPU ports would make DSA change
its default selection from port 6 to 5, effectively resulting in a
performance degradation visible to users with the MT7531BE switch as can be
seen below.
Without preferring port 6:
[ ID][Role] Interval Transfer Bitrate Retr
[ 5][TX-C] 0.00-20.00 sec 374 MBytes 157 Mbits/sec 734 sender
[ 5][TX-C] 0.00-20.00 sec 373 MBytes 156 Mbits/sec receiver
[ 7][RX-C] 0.00-20.00 sec 1.81 GBytes 778 Mbits/sec 0 sender
[ 7][RX-C] 0.00-20.00 sec 1.81 GBytes 777 Mbits/sec receiver
With preferring port 6:
[ ID][Role] Interval Transfer Bitrate Retr
[ 5][TX-C] 0.00-20.00 sec 1.99 GBytes 856 Mbits/sec 273 sender
[ 5][TX-C] 0.00-20.00 sec 1.99 GBytes 855 Mbits/sec receiver
[ 7][RX-C] 0.00-20.00 sec 1.72 GBytes 737 Mbits/sec 15 sender
[ 7][RX-C] 0.00-20.00 sec 1.71 GBytes 736 Mbits/sec receiver
Using one port for WAN and the other ports for LAN is a very popular use
case which is what this test emulates.
As such, this change proposes that we retroactively modify stable kernels
(which don't support the modification of the CPU port assignments, so as to
let user space fix the problem and restore the throughput) to keep the
mt7530 driver preferring port 6 even with device trees where the hardware
is more fully described.
Fixes:
|
||
|
Peilin Ye
|
84ad0af0bc |
net/sched: qdisc_destroy() old ingress and clsact Qdiscs before grafting
mini_Qdisc_pair::p_miniq is a double pointer to mini_Qdisc, initialized
in ingress_init() to point to net_device::miniq_ingress. ingress Qdiscs
access this per-net_device pointer in mini_qdisc_pair_swap(). Similar
for clsact Qdiscs and miniq_egress.
Unfortunately, after introducing RTNL-unlocked RTM_{NEW,DEL,GET}TFILTER
requests (thanks Hillf Danton for the hint), when replacing ingress or
clsact Qdiscs, for example, the old Qdisc ("@old") could access the same
miniq_{in,e}gress pointer(s) concurrently with the new Qdisc ("@new"),
causing race conditions [1] including a use-after-free bug in
mini_qdisc_pair_swap() reported by syzbot:
BUG: KASAN: slab-use-after-free in mini_qdisc_pair_swap+0x1c2/0x1f0 net/sched/sch_generic.c:1573
Write of size 8 at addr ffff888045b31308 by task syz-executor690/14901
...
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106
print_address_description.constprop.0+0x2c/0x3c0 mm/kasan/report.c:319
print_report mm/kasan/report.c:430 [inline]
kasan_report+0x11c/0x130 mm/kasan/report.c:536
mini_qdisc_pair_swap+0x1c2/0x1f0 net/sched/sch_generic.c:1573
tcf_chain_head_change_item net/sched/cls_api.c:495 [inline]
tcf_chain0_head_change.isra.0+0xb9/0x120 net/sched/cls_api.c:509
tcf_chain_tp_insert net/sched/cls_api.c:1826 [inline]
tcf_chain_tp_insert_unique net/sched/cls_api.c:1875 [inline]
tc_new_tfilter+0x1de6/0x2290 net/sched/cls_api.c:2266
...
@old and @new should not affect each other. In other words, @old should
never modify miniq_{in,e}gress after @new, and @new should not update
@old's RCU state.
Fixing without changing sch_api.c turned out to be difficult (please
refer to Closes: for discussions). Instead, make sure @new's first call
always happen after @old's last call (in {ingress,clsact}_destroy()) has
finished:
In qdisc_graft(), return -EBUSY if @old has any ongoing filter requests,
and call qdisc_destroy() for @old before grafting @new.
Introduce qdisc_refcount_dec_if_one() as the counterpart of
qdisc_refcount_inc_nz() used for filter requests. Introduce a
non-static version of qdisc_destroy() that does a TCQ_F_BUILTIN check,
just like qdisc_put() etc.
Depends on patch "net/sched: Refactor qdisc_graft() for ingress and
clsact Qdiscs".
[1] To illustrate, the syzkaller reproducer adds ingress Qdiscs under
TC_H_ROOT (no longer possible after commit
|
||
|
Paul Blakey
|
41f2c7c342 |
net/sched: act_ct: Fix promotion of offloaded unreplied tuple
Currently UNREPLIED and UNASSURED connections are added to the nf flow
table. This causes the following connection packets to be processed
by the flow table which then skips conntrack_in(), and thus such the
connections will remain UNREPLIED and UNASSURED even if reply traffic
is then seen. Even still, the unoffloaded reply packets are the ones
triggering hardware update from new to established state, and if
there aren't any to triger an update and/or previous update was
missed, hardware can get out of sync with sw and still mark
packets as new.
Fix the above by:
1) Not skipping conntrack_in() for UNASSURED packets, but still
refresh for hardware, as before the cited patch.
2) Try and force a refresh by reply-direction packets that update
the hardware rules from new to established state.
3) Remove any bidirectional flows that didn't failed to update in
hardware for re-insertion as bidrectional once any new packet
arrives.
Fixes:
|
||
|
David S. Miller
|
65d8bd81aa |
netfilter pull request 23-06-08
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||
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Pablo Neira Ayuso
|
212ed75dc5 |
netfilter: nf_tables: integrate pipapo into commit protocol
The pipapo set backend follows copy-on-update approach, maintaining one
clone of the existing datastructure that is being updated. The clone
and current datastructures are swapped via rcu from the commit step.
The existing integration with the commit protocol is flawed because
there is no operation to clean up the clone if the transaction is
aborted. Moreover, the datastructure swap happens on set element
activation.
This patch adds two new operations for sets: commit and abort, these new
operations are invoked from the commit and abort steps, after the
transactions have been digested, and it updates the pipapo set backend
to use it.
This patch adds a new ->pending_update field to sets to maintain a list
of sets that require this new commit and abort operations.
Fixes:
|
||
|
Eric Dumazet
|
886bc7d6ed |
net: sched: move rtm_tca_policy declaration to include file
rtm_tca_policy is used from net/sched/sch_api.c and net/sched/cls_api.c,
thus should be declared in an include file.
This fixes the following sparse warning:
net/sched/sch_api.c:1434:25: warning: symbol 'rtm_tca_policy' was not declared. Should it be static?
Fixes:
|
||
|
Eric Dumazet
|
d636fc5dd6 |
net: sched: add rcu annotations around qdisc->qdisc_sleeping
syzbot reported a race around qdisc->qdisc_sleeping [1]
It is time we add proper annotations to reads and writes to/from
qdisc->qdisc_sleeping.
[1]
BUG: KCSAN: data-race in dev_graft_qdisc / qdisc_lookup_rcu
read to 0xffff8881286fc618 of 8 bytes by task 6928 on cpu 1:
qdisc_lookup_rcu+0x192/0x2c0 net/sched/sch_api.c:331
__tcf_qdisc_find+0x74/0x3c0 net/sched/cls_api.c:1174
tc_get_tfilter+0x18f/0x990 net/sched/cls_api.c:2547
rtnetlink_rcv_msg+0x7af/0x8c0 net/core/rtnetlink.c:6386
netlink_rcv_skb+0x126/0x220 net/netlink/af_netlink.c:2546
rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:6413
netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]
netlink_unicast+0x56f/0x640 net/netlink/af_netlink.c:1365
netlink_sendmsg+0x665/0x770 net/netlink/af_netlink.c:1913
sock_sendmsg_nosec net/socket.c:724 [inline]
sock_sendmsg net/socket.c:747 [inline]
____sys_sendmsg+0x375/0x4c0 net/socket.c:2503
___sys_sendmsg net/socket.c:2557 [inline]
__sys_sendmsg+0x1e3/0x270 net/socket.c:2586
__do_sys_sendmsg net/socket.c:2595 [inline]
__se_sys_sendmsg net/socket.c:2593 [inline]
__x64_sys_sendmsg+0x46/0x50 net/socket.c:2593
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
write to 0xffff8881286fc618 of 8 bytes by task 6912 on cpu 0:
dev_graft_qdisc+0x4f/0x80 net/sched/sch_generic.c:1115
qdisc_graft+0x7d0/0xb60 net/sched/sch_api.c:1103
tc_modify_qdisc+0x712/0xf10 net/sched/sch_api.c:1693
rtnetlink_rcv_msg+0x807/0x8c0 net/core/rtnetlink.c:6395
netlink_rcv_skb+0x126/0x220 net/netlink/af_netlink.c:2546
rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:6413
netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]
netlink_unicast+0x56f/0x640 net/netlink/af_netlink.c:1365
netlink_sendmsg+0x665/0x770 net/netlink/af_netlink.c:1913
sock_sendmsg_nosec net/socket.c:724 [inline]
sock_sendmsg net/socket.c:747 [inline]
____sys_sendmsg+0x375/0x4c0 net/socket.c:2503
___sys_sendmsg net/socket.c:2557 [inline]
__sys_sendmsg+0x1e3/0x270 net/socket.c:2586
__do_sys_sendmsg net/socket.c:2595 [inline]
__se_sys_sendmsg net/socket.c:2593 [inline]
__x64_sys_sendmsg+0x46/0x50 net/socket.c:2593
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 6912 Comm: syz-executor.5 Not tainted 6.4.0-rc3-syzkaller-00190-g0d85b27b0cc6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/16/2023
Fixes:
|
||
|
Eric Dumazet
|
1e5c647c3f |
rfs: annotate lockless accesses to sk->sk_rxhash
Add READ_ONCE()/WRITE_ONCE() on accesses to sk->sk_rxhash.
This also prevents a (smart ?) compiler to remove the condition in:
if (sk->sk_rxhash != newval)
sk->sk_rxhash = newval;
We need the condition to avoid dirtying a shared cache line.
Fixes:
|
||
|
Jakub Kicinski
|
ab39b113e7 |
bluetooth pull request for net:
- Fixes to debugfs registration - Fix use-after-free in hci_remove_ltk/hci_remove_irk - Fixes to ISO channel support - Fix missing checks for invalid L2CAP DCID - Fix l2cap_disconnect_req deadlock - Add lock to protect HCI_UNREGISTER -----BEGIN PGP SIGNATURE----- iQJNBAABCAA3FiEE7E6oRXp8w05ovYr/9JCA4xAyCykFAmR+ftMZHGx1aXoudm9u LmRlbnR6QGludGVsLmNvbQAKCRD0kIDjEDILKQMXD/9NcuqbGmEzJspVA8bZ8gXD L7a68QnacdIoqH56QstLhGPQsYH6dv9fwhpNX6AN8/j8UG8DnDXQtHyfm4gZzfYA h8GP7+ZQIEiHivIxiamrJnQ1Ii+KYEV3NGyS43YBuuPi9LcTFR0Km42xA0GqOnDU Hz3/n5v342479TjJPNJkFPmcUGViRaLXtKhzcBzmSykUW+SVuIuD03yxuAJcojf5 rlPYA7yho7k8BAWkcYxWAP3v9fzQVa3nz8rQO2rG+poi4La2mmqRHykuSCXmzvBX SbZwvzqgquqgQiFLpRIo/nwnVwPu3NYK6dQzlXPqiaxfM6qAtRttwQWNnOT+UxEu VVGk6fD9iKjo9dttq+lTSY3LI/SXWAHYByIBzjx883hJYf1YvDAMSlMlzo029xL6 BHu3hMTDhosP8sG5wFdR2KzBmUd1W/ZcwOG0UP8PjshZgrOZ3uej9p3MrocKAys7 uGOBFmGzwOaQLXJQLbd4djE5l6zLOxSCV/0OLIWQw7VFQiHb66NzN6wenYEkDnxM j2pFAlzp4RKHHCjU3dfaE90c0ede116e9nhjAlzmUOxggg6aCxCrCkMNOI8NlZ4v oukYWq66RWYA/J4S80OLepITtBRPVn3JFxOXss5xESFfEnzL2nRZ5gm8jJJGULU4 x6tKTHaomO99FcH0ZFlZMw== =jMWO -----END PGP SIGNATURE----- Merge tag 'for-net-2023-06-05' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth Luiz Augusto von Dentz says: ==================== bluetooth pull request for net: - Fixes to debugfs registration - Fix use-after-free in hci_remove_ltk/hci_remove_irk - Fixes to ISO channel support - Fix missing checks for invalid L2CAP DCID - Fix l2cap_disconnect_req deadlock - Add lock to protect HCI_UNREGISTER * tag 'for-net-2023-06-05' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth: Bluetooth: L2CAP: Add missing checks for invalid DCID Bluetooth: ISO: use correct CIS order in Set CIG Parameters event Bluetooth: ISO: don't try to remove CIG if there are bound CIS left Bluetooth: Fix l2cap_disconnect_req deadlock Bluetooth: hci_qca: fix debugfs registration Bluetooth: fix debugfs registration Bluetooth: hci_sync: add lock to protect HCI_UNREGISTER Bluetooth: Fix use-after-free in hci_remove_ltk/hci_remove_irk Bluetooth: ISO: Fix CIG auto-allocation to select configurable CIG Bluetooth: ISO: consider right CIS when removing CIG at cleanup ==================== Link: https://lore.kernel.org/r/20230606003454.2392552-1-luiz.dentz@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Kuniyuki Iwashima
|
a2f4c143d7 |
ipv6: rpl: Fix Route of Death.
A remote DoS vulnerability of RPL Source Routing is assigned CVE-2023-2156.
The Source Routing Header (SRH) has the following format:
0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Next Header | Hdr Ext Len | Routing Type | Segments Left |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| CmprI | CmprE | Pad | Reserved |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| |
. .
. Addresses[1..n] .
. .
| |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
The originator of an SRH places the first hop's IPv6 address in the IPv6
header's IPv6 Destination Address and the second hop's IPv6 address as
the first address in Addresses[1..n].
The CmprI and CmprE fields indicate the number of prefix octets that are
shared with the IPv6 Destination Address. When CmprI or CmprE is not 0,
Addresses[1..n] are compressed as follows:
1..n-1 : (16 - CmprI) bytes
n : (16 - CmprE) bytes
Segments Left indicates the number of route segments remaining. When the
value is not zero, the SRH is forwarded to the next hop. Its address
is extracted from Addresses[n - Segment Left + 1] and swapped with IPv6
Destination Address.
When Segment Left is greater than or equal to 2, the size of SRH is not
changed because Addresses[1..n-1] are decompressed and recompressed with
CmprI.
OTOH, when Segment Left changes from 1 to 0, the new SRH could have a
different size because Addresses[1..n-1] are decompressed with CmprI and
recompressed with CmprE.
Let's say CmprI is 15 and CmprE is 0. When we receive SRH with Segment
Left >= 2, Addresses[1..n-1] have 1 byte for each, and Addresses[n] has
16 bytes. When Segment Left is 1, Addresses[1..n-1] is decompressed to
16 bytes and not recompressed. Finally, the new SRH will need more room
in the header, and the size is (16 - 1) * (n - 1) bytes.
Here the max value of n is 255 as Segment Left is u8, so in the worst case,
we have to allocate 3825 bytes in the skb headroom. However, now we only
allocate a small fixed buffer that is IPV6_RPL_SRH_WORST_SWAP_SIZE (16 + 7
bytes). If the decompressed size overflows the room, skb_push() hits BUG()
below [0].
Instead of allocating the fixed buffer for every packet, let's allocate
enough headroom only when we receive SRH with Segment Left 1.
[0]:
skbuff: skb_under_panic: text:ffffffff81c9f6e2 len:576 put:576 head:ffff8880070b5180 data:ffff8880070b4fb0 tail:0x70 end:0x140 dev:lo
kernel BUG at net/core/skbuff.c:200!
invalid opcode: 0000 [#1] PREEMPT SMP PTI
CPU: 0 PID: 154 Comm: python3 Not tainted 6.4.0-rc4-00190-gc308e9ec0047 #7
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014
RIP: 0010:skb_panic (net/core/skbuff.c:200)
Code: 4f 70 50 8b 87 bc 00 00 00 50 8b 87 b8 00 00 00 50 ff b7 c8 00 00 00 4c 8b 8f c0 00 00 00 48 c7 c7 80 6e 77 82 e8 ad 8b 60 ff <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90000003da0 EFLAGS: 00000246
RAX: 0000000000000085 RBX: ffff8880058a6600 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88807dc1c540 RDI: ffff88807dc1c540
RBP: ffffc90000003e48 R08: ffffffff82b392c8 R09: 00000000ffffdfff
R10: ffffffff82a592e0 R11: ffffffff82b092e0 R12: ffff888005b1c800
R13: ffff8880070b51b8 R14: ffff888005b1ca18 R15: ffff8880070b5190
FS: 00007f4539f0b740(0000) GS:ffff88807dc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055670baf3000 CR3: 0000000005b0e000 CR4: 00000000007506f0
PKRU: 55555554
Call Trace:
<IRQ>
skb_push (net/core/skbuff.c:210)
ipv6_rthdr_rcv (./include/linux/skbuff.h:2880 net/ipv6/exthdrs.c:634 net/ipv6/exthdrs.c:718)
ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:437 (discriminator 5))
ip6_input_finish (./include/linux/rcupdate.h:805 net/ipv6/ip6_input.c:483)
__netif_receive_skb_one_core (net/core/dev.c:5494)
process_backlog (./include/linux/rcupdate.h:805 net/core/dev.c:5934)
__napi_poll (net/core/dev.c:6496)
net_rx_action (net/core/dev.c:6565 net/core/dev.c:6696)
__do_softirq (./arch/x86/include/asm/jump_label.h:27 ./include/linux/jump_label.h:207 ./include/trace/events/irq.h:142 kernel/softirq.c:572)
do_softirq (kernel/softirq.c:472 kernel/softirq.c:459)
</IRQ>
<TASK>
__local_bh_enable_ip (kernel/softirq.c:396)
__dev_queue_xmit (net/core/dev.c:4272)
ip6_finish_output2 (./include/net/neighbour.h:544 net/ipv6/ip6_output.c:134)
rawv6_sendmsg (./include/net/dst.h:458 ./include/linux/netfilter.h:303 net/ipv6/raw.c:656 net/ipv6/raw.c:914)
sock_sendmsg (net/socket.c:724 net/socket.c:747)
__sys_sendto (net/socket.c:2144)
__x64_sys_sendto (net/socket.c:2156 net/socket.c:2152 net/socket.c:2152)
do_syscall_64 (arch/x86/entry/common.c:50 arch/x86/entry/common.c:80)
entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:120)
RIP: 0033:0x7f453a138aea
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
RSP: 002b:00007ffcc212a1c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007ffcc212a288 RCX: 00007f453a138aea
RDX: 0000000000000060 RSI: 00007f4539084c20 RDI: 0000000000000003
RBP: 00007f4538308e80 R08: 00007ffcc212a300 R09: 000000000000001c
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: ffffffffc4653600 R14: 0000000000000001 R15: 00007f4539712d1b
</TASK>
Modules linked in:
Fixes:
|
||
|
Pauli Virtanen
|
71e9588435 |
Bluetooth: ISO: use correct CIS order in Set CIG Parameters event
The order of CIS handle array in Set CIG Parameters response shall match
the order of the CIS_ID array in the command (Core v5.3 Vol 4 Part E Sec
7.8.97). We send CIS_IDs mainly in the order of increasing CIS_ID (but
with "last" CIS first if it has fixed CIG_ID). In handling of the
reply, we currently assume this is also the same as the order of
hci_conn in hdev->conn_hash, but that is not true.
Match the correct hci_conn to the correct handle by matching them based
on the CIG+CIS combination. The CIG+CIS combination shall be unique for
ISO_LINK hci_conn at state >= BT_BOUND, which we maintain in
hci_le_set_cig_params.
Fixes:
|
||
|
Johan Hovold
|
fe2ccc6c29 |
Bluetooth: fix debugfs registration
Since commit |
||
|
Zhengping Jiang
|
1857c19941 |
Bluetooth: hci_sync: add lock to protect HCI_UNREGISTER
When the HCI_UNREGISTER flag is set, no jobs should be scheduled. Fix
potential race when HCI_UNREGISTER is set after the flag is tested in
hci_cmd_sync_queue.
Fixes:
|
||
|
Eric Dumazet
|
ef62c0ae6d |
net/ipv6: convert skip_notify_on_dev_down sysctl to u8
Save a bit a space, and could help future sysctls to use the same pattern. Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: David Ahern <dsahern@kernel.org> Acked-by: Matthieu Baerts <matthieu.baerts@tessares.net> Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Eric Dumazet
|
edf2e1d201 |
net/ipv6: fix bool/int mismatch for skip_notify_on_dev_down
skip_notify_on_dev_down ctl table expects this field
to be an int (4 bytes), not a bool (1 byte).
Because proc_dou8vec_minmax() was added in 5.13,
this patch converts skip_notify_on_dev_down to an int.
Following patch then converts the field to u8 and use proc_dou8vec_minmax().
Fixes:
|
||
|
Akihiro Suda
|
e209fee411 |
net/ipv4: ping_group_range: allow GID from 2147483648 to 4294967294
With this commit, all the GIDs ("0 4294967294") can be written to the
"net.ipv4.ping_group_range" sysctl.
Note that 4294967295 (0xffffffff) is an invalid GID (see gid_valid() in
include/linux/uidgid.h), and an attempt to register this number will cause
-EINVAL.
Prior to this commit, only up to GID 2147483647 could be covered.
Documentation/networking/ip-sysctl.rst had "0 4294967295" as an example
value, but this example was wrong and causing -EINVAL.
Fixes:
|
||
|
Qingfang DENG
|
ed779fe4c9 |
neighbour: fix unaligned access to pneigh_entry
After the blamed commit, the member key is longer 4-byte aligned. On
platforms that do not support unaligned access, e.g., MIPS32R2 with
unaligned_action set to 1, this will trigger a crash when accessing
an IPv6 pneigh_entry, as the key is cast to an in6_addr pointer.
Change the type of the key to u32 to make it aligned.
Fixes:
|
||
|
fuyuanli
|
30c6f0bf95 |
tcp: fix mishandling when the sack compression is deferred.
In this patch, we mainly try to handle sending a compressed ack
correctly if it's deferred.
Here are more details in the old logic:
When sack compression is triggered in the tcp_compressed_ack_kick(),
if the sock is owned by user, it will set TCP_DELACK_TIMER_DEFERRED
and then defer to the release cb phrase. Later once user releases
the sock, tcp_delack_timer_handler() should send a ack as expected,
which, however, cannot happen due to lack of ICSK_ACK_TIMER flag.
Therefore, the receiver would not sent an ack until the sender's
retransmission timeout. It definitely increases unnecessary latency.
Fixes:
|
||
|
Haiyang Zhang
|
1919b39fc6 |
net: mana: Fix perf regression: remove rx_cqes, tx_cqes counters
The apc->eth_stats.rx_cqes is one per NIC (vport), and it's on the
frequent and parallel code path of all queues. So, r/w into this
single shared variable by many threads on different CPUs creates a
lot caching and memory overhead, hence perf regression. And, it's
not accurate due to the high volume concurrent r/w.
For example, a workload is iperf with 128 threads, and with RPS
enabled. We saw perf regression of 25% with the previous patch
adding the counters. And this patch eliminates the regression.
Since the error path of mana_poll_rx_cq() already has warnings, so
keeping the counter and convert it to a per-queue variable is not
necessary. So, just remove this counter from this high frequency
code path.
Also, remove the tx_cqes counter for the same reason. We have
warnings & other counters for errors on that path, and don't need
to count every normal cqe processing.
Cc: stable@vger.kernel.org
Fixes:
|
||
|
Eric Dumazet
|
4faeee0cf8 |
tcp: deny tcp_disconnect() when threads are waiting
Historically connect(AF_UNSPEC) has been abused by syzkaller and other fuzzers to trigger various bugs. A recent one triggers a divide-by-zero [1], and Paolo Abeni was able to diagnose the issue. tcp_recvmsg_locked() has tests about sk_state being not TCP_LISTEN and TCP REPAIR mode being not used. Then later if socket lock is released in sk_wait_data(), another thread can call connect(AF_UNSPEC), then make this socket a TCP listener. When recvmsg() is resumed, it can eventually call tcp_cleanup_rbuf() and attempt a divide by 0 in tcp_rcv_space_adjust() [1] This patch adds a new socket field, counting number of threads blocked in sk_wait_event() and inet_wait_for_connect(). If this counter is not zero, tcp_disconnect() returns an error. This patch adds code in blocking socket system calls, thus should not hurt performance of non blocking ones. Note that we probably could revert commit |
||
|
Chuck Lever
|
26fb5480a2 |
net/handshake: Enable the SNI extension to work properly
Enable the upper layer protocol to specify the SNI peername. This
avoids the need for tlshd to use a DNS lookup, which can return a
hostname that doesn't match the incoming certificate's SubjectName.
Fixes:
|
||
|
Jakub Kicinski
|
0c615f1cc3 |
bpf-for-netdev
-----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQTFp0I1jqZrAX+hPRXbK58LschIgwUCZG4AiAAKCRDbK58LschI g+xlAQCmefGbDuwPckZLnomvt6gl4bkIjs7kc1ySbG9QBnaInwD/WyrJaQIPijuD qziHPAyx+MEgPseFU1b7Le35SZ66IwM= =s4R1 -----END PGP SIGNATURE----- Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf Daniel Borkmann says: ==================== pull-request: bpf 2023-05-24 We've added 19 non-merge commits during the last 10 day(s) which contain a total of 20 files changed, 738 insertions(+), 448 deletions(-). The main changes are: 1) Batch of BPF sockmap fixes found when running against NGINX TCP tests, from John Fastabend. 2) Fix a memleak in the LRU{,_PERCPU} hash map when bucket locking fails, from Anton Protopopov. 3) Init the BPF offload table earlier than just late_initcall, from Jakub Kicinski. 4) Fix ctx access mask generation for 32-bit narrow loads of 64-bit fields, from Will Deacon. 5) Remove a now unsupported __fallthrough in BPF samples, from Andrii Nakryiko. 6) Fix a typo in pkg-config call for building sign-file, from Jeremy Sowden. * tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf: bpf, sockmap: Test progs verifier error with latest clang bpf, sockmap: Test FIONREAD returns correct bytes in rx buffer with drops bpf, sockmap: Test FIONREAD returns correct bytes in rx buffer bpf, sockmap: Test shutdown() correctly exits epoll and recv()=0 bpf, sockmap: Build helper to create connected socket pair bpf, sockmap: Pull socket helpers out of listen test for general use bpf, sockmap: Incorrectly handling copied_seq bpf, sockmap: Wake up polling after data copy bpf, sockmap: TCP data stall on recv before accept bpf, sockmap: Handle fin correctly bpf, sockmap: Improved check for empty queue bpf, sockmap: Reschedule is now done through backlog bpf, sockmap: Convert schedule_work into delayed_work bpf, sockmap: Pass skb ownership through read_skb bpf: fix a memory leak in the LRU and LRU_PERCPU hash maps bpf: Fix mask generation for 32-bit narrow loads of 64-bit fields samples/bpf: Drop unnecessary fallthrough bpf: netdev: init the offload table earlier selftests/bpf: Fix pkg-config call building sign-file ==================== Link: https://lore.kernel.org/r/20230524170839.13905-1-daniel@iogearbox.net Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Yunsheng Lin
|
368d3cb406 |
page_pool: fix inconsistency for page_pool_ring_[un]lock()
page_pool_ring_[un]lock() use in_softirq() to decide which
spin lock variant to use, and when they are called in the
context with in_softirq() being false, spin_lock_bh() is
called in page_pool_ring_lock() while spin_unlock() is
called in page_pool_ring_unlock(), because spin_lock_bh()
has disabled the softirq in page_pool_ring_lock(), which
causes inconsistency for spin lock pair calling.
This patch fixes it by returning in_softirq state from
page_pool_producer_lock(), and use it to decide which
spin lock variant to use in page_pool_producer_unlock().
As pool->ring has both producer and consumer lock, so
rename it to page_pool_producer_[un]lock() to reflect
the actual usage. Also move them to page_pool.c as they
are only used there, and remove the 'inline' as the
compiler may have better idea to do inlining or not.
Fixes:
|
||
|
John Fastabend
|
e5c6de5fa0 |
bpf, sockmap: Incorrectly handling copied_seq
The read_skb() logic is incrementing the tcp->copied_seq which is used for
among other things calculating how many outstanding bytes can be read by
the application. This results in application errors, if the application
does an ioctl(FIONREAD) we return zero because this is calculated from
the copied_seq value.
To fix this we move tcp->copied_seq accounting into the recv handler so
that we update these when the recvmsg() hook is called and data is in
fact copied into user buffers. This gives an accurate FIONREAD value
as expected and improves ACK handling. Before we were calling the
tcp_rcv_space_adjust() which would update 'number of bytes copied to
user in last RTT' which is wrong for programs returning SK_PASS. The
bytes are only copied to the user when recvmsg is handled.
Doing the fix for recvmsg is straightforward, but fixing redirect and
SK_DROP pkts is a bit tricker. Build a tcp_psock_eat() helper and then
call this from skmsg handlers. This fixes another issue where a broken
socket with a BPF program doing a resubmit could hang the receiver. This
happened because although read_skb() consumed the skb through sock_drop()
it did not update the copied_seq. Now if a single reccv socket is
redirecting to many sockets (for example for lb) the receiver sk will be
hung even though we might expect it to continue. The hang comes from
not updating the copied_seq numbers and memory pressure resulting from
that.
We have a slight layer problem of calling tcp_eat_skb even if its not
a TCP socket. To fix we could refactor and create per type receiver
handlers. I decided this is more work than we want in the fix and we
already have some small tweaks depending on caller that use the
helper skb_bpf_strparser(). So we extend that a bit and always set
the strparser bit when it is in use and then we can gate the
seq_copied updates on this.
Fixes:
|
||
|
Nicolas Dichtel
|
3632679d9e |
ipv{4,6}/raw: fix output xfrm lookup wrt protocol
With a raw socket bound to IPPROTO_RAW (ie with hdrincl enabled), the
protocol field of the flow structure, build by raw_sendmsg() /
rawv6_sendmsg()), is set to IPPROTO_RAW. This breaks the ipsec policy
lookup when some policies are defined with a protocol in the selector.
For ipv6, the sin6_port field from 'struct sockaddr_in6' could be used to
specify the protocol. Just accept all values for IPPROTO_RAW socket.
For ipv4, the sin_port field of 'struct sockaddr_in' could not be used
without breaking backward compatibility (the value of this field was never
checked). Let's add a new kind of control message, so that the userland
could specify which protocol is used.
Fixes:
|
||
|
Benedict Wong
|
1f8b6df6a9 |
xfrm: Treat already-verified secpath entries as optional
This change allows inbound traffic through nested IPsec tunnels to successfully match policies and templates, while retaining the secpath stack trace as necessary for netfilter policies. Specifically, this patch marks secpath entries that have already matched against a relevant policy as having been verified, allowing it to be treated as optional and skipped after a tunnel decapsulation (during which the src/dst/proto/etc may have changed, and the correct policy chain no long be resolvable). This approach is taken as opposed to the iteration in |
||
|
Jakub Kicinski
|
67caf26d76 |
bluetooth pull request for net:
- Fix compiler warnings on btnxpuart - Fix potential double free on hci_conn_unlink - Fix UAF on hci_conn_hash_flush -----BEGIN PGP SIGNATURE----- iQJNBAABCAA3FiEE7E6oRXp8w05ovYr/9JCA4xAyCykFAmRoBgIZHGx1aXoudm9u LmRlbnR6QGludGVsLmNvbQAKCRD0kIDjEDILKc9RD/47PfJj6p/dn6WTthegoZ7K BK0cC4j2H2LBbt4UzGA7BWdGxiJnguahsap09jq3t1hB/9ggXPMbA/4674A58+RM iYt6u5/uZCPmVyp5P6YVyFIHv4xM/ruQ3wr8/32AscW066Jp/M8TJ0qTOLQpc+qp jkg2xdKMNj1sYzA3reR/oWiWXQR2qJVlHLMq5namZr04B4mj6+2HyaS8+hjVIwku VW9g/8fi9FfikdyRfYPNzHuV9C97sP6zvPqKbrxlEk5f1TLfbY9lFqRUgvAL7bco fT3ddDqpw/3cMP7b8MKbDB0aS+rt4fT6g83Qtfyeps1cauCMoCeHFIqAfmGQtNTx qO7q/fG7sOSFlfyiwbwHTYxYV8z4ABavrRF4lbvIqt9kh7Xuow87rcgrTBmX7nXE TUMzeCv/SSQP8k1+O4XNwzUf8XiL6XsbMYmgGRLB8IO+S8QXEDLUelhcCrahq9Pd FQ3v4Op1vY6YiTP12iaxzYb82OqdU8Th6PpOGjdjPw/7UQiJaItaX8YKDfw8h/d0 XDxHbXvWIORegvMHGuXvjUYDVTTTmAvvuPs5nde9rXgMxTmvzN9e7Srbpb6I0nv4 R5nKiZjnugVaZ9lFimLlj8Bh9/KavpT/41MnF9Oe/XzCfcTVnxthWYJ6kN5Zscof o8bd8Q4c1F3x6rW7DFMLTQ== =v45m -----END PGP SIGNATURE----- Merge tag 'for-net-2023-05-19' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth Luiz Augusto von Dentz says: ==================== bluetooth pull request for net: - Fix compiler warnings on btnxpuart - Fix potential double free on hci_conn_unlink - Fix UAF on hci_conn_hash_flush * tag 'for-net-2023-05-19' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth: Bluetooth: btnxpuart: Fix compiler warnings Bluetooth: Unlink CISes when LE disconnects in hci_conn_del Bluetooth: Fix UAF in hci_conn_hash_flush again Bluetooth: Refcnt drop must be placed last in hci_conn_unlink Bluetooth: Fix potential double free caused by hci_conn_unlink ==================== Link: https://lore.kernel.org/r/20230519233056.2024340-1-luiz.dentz@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Taehee Yoo
|
ae9b15fbe6 |
net: fix stack overflow when LRO is disabled for virtual interfaces
When the virtual interface's feature is updated, it synchronizes the
updated feature for its own lower interface.
This propagation logic should be worked as the iteration, not recursively.
But it works recursively due to the netdev notification unexpectedly.
This problem occurs when it disables LRO only for the team and bonding
interface type.
team0
|
+------+------+-----+-----+
| | | | |
team1 team2 team3 ... team200
If team0's LRO feature is updated, it generates the NETDEV_FEAT_CHANGE
event to its own lower interfaces(team1 ~ team200).
It is worked by netdev_sync_lower_features().
So, the NETDEV_FEAT_CHANGE notification logic of each lower interface
work iteratively.
But generated NETDEV_FEAT_CHANGE event is also sent to the upper
interface too.
upper interface(team0) generates the NETDEV_FEAT_CHANGE event for its own
lower interfaces again.
lower and upper interfaces receive this event and generate this
event again and again.
So, the stack overflow occurs.
But it is not the infinite loop issue.
Because the netdev_sync_lower_features() updates features before
generating the NETDEV_FEAT_CHANGE event.
Already synchronized lower interfaces skip notification logic.
So, it is just the problem that iteration logic is changed to the
recursive unexpectedly due to the notification mechanism.
Reproducer:
ip link add team0 type team
ethtool -K team0 lro on
for i in {1..200}
do
ip link add team$i master team0 type team
ethtool -K team$i lro on
done
ethtool -K team0 lro off
In order to fix it, the notifier_ctx member of bonding/team is introduced.
Reported-by: syzbot+60748c96cf5c6df8e581@syzkaller.appspotmail.com
Fixes:
|
||
|
Ruihan Li
|
a2ac591cb4 |
Bluetooth: Fix UAF in hci_conn_hash_flush again
Commit |
||
|
Jakub Kicinski
|
eca9bfafee |
tls: rx: strp: preserve decryption status of skbs when needed
When receive buffer is small we try to copy out the data from
TCP into a skb maintained by TLS to prevent connection from
stalling. Unfortunately if a single record is made up of a mix
of decrypted and non-decrypted skbs combining them into a single
skb leads to loss of decryption status, resulting in decryption
errors or data corruption.
Similarly when trying to use TCP receive queue directly we need
to make sure that all the skbs within the record have the same
status. If we don't the mixed status will be detected correctly
but we'll CoW the anchor, again collapsing it into a single paged
skb without decrypted status preserved. So the "fixup" code will
not know which parts of skb to re-encrypt.
Fixes:
|
||
|
Eric Dumazet
|
ef1148d448 |
ipv6: remove nexthop_fib6_nh_bh()
After blamed commit, nexthop_fib6_nh_bh() and nexthop_fib6_nh()
are the same.
Delete nexthop_fib6_nh_bh(), and convert /proc/net/ipv6_route
to standard rcu to avoid this splat:
[ 5723.180080] WARNING: suspicious RCU usage
[ 5723.180083] -----------------------------
[ 5723.180084] include/net/nexthop.h:516 suspicious rcu_dereference_check() usage!
[ 5723.180086]
other info that might help us debug this:
[ 5723.180087]
rcu_scheduler_active = 2, debug_locks = 1
[ 5723.180089] 2 locks held by cat/55856:
[ 5723.180091] #0: ffff9440a582afa8 (&p->lock){+.+.}-{3:3}, at: seq_read_iter (fs/seq_file.c:188)
[ 5723.180100] #1: ffffffffaac07040 (rcu_read_lock_bh){....}-{1:2}, at: rcu_lock_acquire (include/linux/rcupdate.h:326)
[ 5723.180109]
stack backtrace:
[ 5723.180111] CPU: 14 PID: 55856 Comm: cat Tainted: G S I 6.3.0-dbx-DEV #528
[ 5723.180115] Call Trace:
[ 5723.180117] <TASK>
[ 5723.180119] dump_stack_lvl (lib/dump_stack.c:107)
[ 5723.180124] dump_stack (lib/dump_stack.c:114)
[ 5723.180126] lockdep_rcu_suspicious (include/linux/context_tracking.h:122)
[ 5723.180132] ipv6_route_seq_show (include/net/nexthop.h:?)
[ 5723.180135] ? ipv6_route_seq_next (net/ipv6/ip6_fib.c:2605)
[ 5723.180140] seq_read_iter (fs/seq_file.c:272)
[ 5723.180145] seq_read (fs/seq_file.c:163)
[ 5723.180151] proc_reg_read (fs/proc/inode.c:316 fs/proc/inode.c:328)
[ 5723.180155] vfs_read (fs/read_write.c:468)
[ 5723.180160] ? up_read (kernel/locking/rwsem.c:1617)
[ 5723.180164] ksys_read (fs/read_write.c:613)
[ 5723.180168] __x64_sys_read (fs/read_write.c:621)
[ 5723.180170] do_syscall_64 (arch/x86/entry/common.c:?)
[ 5723.180174] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:120)
[ 5723.180177] RIP: 0033:0x7fa455677d2a
Fixes:
|
||
|
Hangbin Liu
|
9949e2efb5 |
bonding: fix send_peer_notif overflow
Bonding send_peer_notif was defined as u8. Since commit |
||
|
Kuniyuki Iwashima
|
dfd9248c07 |
net: Fix load-tearing on sk->sk_stamp in sock_recv_cmsgs().
KCSAN found a data race in sock_recv_cmsgs() where the read access
to sk->sk_stamp needs READ_ONCE().
BUG: KCSAN: data-race in packet_recvmsg / packet_recvmsg
write (marked) to 0xffff88803c81f258 of 8 bytes by task 19171 on cpu 0:
sock_write_timestamp include/net/sock.h:2670 [inline]
sock_recv_cmsgs include/net/sock.h:2722 [inline]
packet_recvmsg+0xb97/0xd00 net/packet/af_packet.c:3489
sock_recvmsg_nosec net/socket.c:1019 [inline]
sock_recvmsg+0x11a/0x130 net/socket.c:1040
sock_read_iter+0x176/0x220 net/socket.c:1118
call_read_iter include/linux/fs.h:1845 [inline]
new_sync_read fs/read_write.c:389 [inline]
vfs_read+0x5e0/0x630 fs/read_write.c:470
ksys_read+0x163/0x1a0 fs/read_write.c:613
__do_sys_read fs/read_write.c:623 [inline]
__se_sys_read fs/read_write.c:621 [inline]
__x64_sys_read+0x41/0x50 fs/read_write.c:621
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x72/0xdc
read to 0xffff88803c81f258 of 8 bytes by task 19183 on cpu 1:
sock_recv_cmsgs include/net/sock.h:2721 [inline]
packet_recvmsg+0xb64/0xd00 net/packet/af_packet.c:3489
sock_recvmsg_nosec net/socket.c:1019 [inline]
sock_recvmsg+0x11a/0x130 net/socket.c:1040
sock_read_iter+0x176/0x220 net/socket.c:1118
call_read_iter include/linux/fs.h:1845 [inline]
new_sync_read fs/read_write.c:389 [inline]
vfs_read+0x5e0/0x630 fs/read_write.c:470
ksys_read+0x163/0x1a0 fs/read_write.c:613
__do_sys_read fs/read_write.c:623 [inline]
__se_sys_read fs/read_write.c:621 [inline]
__x64_sys_read+0x41/0x50 fs/read_write.c:621
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x72/0xdc
value changed: 0xffffffffc4653600 -> 0x0000000000000000
Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 19183 Comm: syz-executor.5 Not tainted 6.3.0-rc7-02330-gca6270c12e20 #2
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014
Fixes:
|
||
|
Linus Torvalds
|
ed23734c23 |
Including fixes from netfilter.
Current release - regressions:
- sched: act_pedit: free pedit keys on bail from offset check
Current release - new code bugs:
- pds_core:
- Kconfig fixes (DEBUGFS and AUXILIARY_BUS)
- fix mutex double unlock in error path
Previous releases - regressions:
- sched: cls_api: remove block_cb from driver_list before freeing
- nf_tables: fix ct untracked match breakage
- eth: mtk_eth_soc: drop generic vlan rx offload
- sched: flower: fix error handler on replace
Previous releases - always broken:
- tcp: fix skb_copy_ubufs() vs BIG TCP
- ipv6: fix skb hash for some RST packets
- af_packet: don't send zero-byte data in packet_sendmsg_spkt()
- rxrpc: timeout handling fixes after moving client call connection
to the I/O thread
- ixgbe: fix panic during XDP_TX with > 64 CPUs
- igc: RMW the SRRCTL register to prevent losing timestamp config
- dsa: mt7530: fix corrupt frames using TRGMII on 40 MHz XTAL MT7621
- r8152:
- fix flow control issue of RTL8156A
- fix the poor throughput for 2.5G devices
- move setting r8153b_rx_agg_chg_indicate() to fix coalescing
- enable autosuspend
- ncsi: clear Tx enable mode when handling a Config required AEN
- octeontx2-pf: macsec: fixes for CN10KB ASIC rev
Misc:
- 9p: remove INET dependency
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from netfilter.
Current release - regressions:
- sched: act_pedit: free pedit keys on bail from offset check
Current release - new code bugs:
- pds_core:
- Kconfig fixes (DEBUGFS and AUXILIARY_BUS)
- fix mutex double unlock in error path
Previous releases - regressions:
- sched: cls_api: remove block_cb from driver_list before freeing
- nf_tables: fix ct untracked match breakage
- eth: mtk_eth_soc: drop generic vlan rx offload
- sched: flower: fix error handler on replace
Previous releases - always broken:
- tcp: fix skb_copy_ubufs() vs BIG TCP
- ipv6: fix skb hash for some RST packets
- af_packet: don't send zero-byte data in packet_sendmsg_spkt()
- rxrpc: timeout handling fixes after moving client call connection
to the I/O thread
- ixgbe: fix panic during XDP_TX with > 64 CPUs
- igc: RMW the SRRCTL register to prevent losing timestamp config
- dsa: mt7530: fix corrupt frames using TRGMII on 40 MHz XTAL MT7621
- r8152:
- fix flow control issue of RTL8156A
- fix the poor throughput for 2.5G devices
- move setting r8153b_rx_agg_chg_indicate() to fix coalescing
- enable autosuspend
- ncsi: clear Tx enable mode when handling a Config required AEN
- octeontx2-pf: macsec: fixes for CN10KB ASIC rev
Misc:
- 9p: remove INET dependency"
* tag 'net-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (69 commits)
net: bcmgenet: Remove phy_stop() from bcmgenet_netif_stop()
pds_core: fix mutex double unlock in error path
net/sched: flower: fix error handler on replace
Revert "net/sched: flower: Fix wrong handle assignment during filter change"
net/sched: flower: fix filter idr initialization
net: fec: correct the counting of XDP sent frames
bonding: add xdp_features support
net: enetc: check the index of the SFI rather than the handle
sfc: Add back mailing list
virtio_net: suppress cpu stall when free_unused_bufs
ice: block LAN in case of VF to VF offload
net: dsa: mt7530: fix network connectivity with multiple CPU ports
net: dsa: mt7530: fix corrupt frames using trgmii on 40 MHz XTAL MT7621
9p: Remove INET dependency
netfilter: nf_tables: fix ct untracked match breakage
af_packet: Don't send zero-byte data in packet_sendmsg_spkt().
igc: read before write to SRRCTL register
pds_core: add AUXILIARY_BUS and NET_DEVLINK to Kconfig
pds_core: remove CONFIG_DEBUG_FS from makefile
ionic: catch failure from devlink_alloc
...
|
||
|
Jakub Kicinski
|
644bca1d48 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
There's a fix which landed in net-next, pull it in along with the couple of minor cleanups. Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Lorenzo Bianconi
|
cb9e6e584d |
bonding: add xdp_features support
Introduce xdp_features support for bonding driver according to the slave
devices attached to the master one. xdp_features is required whenever we
want to xdp_redirect traffic into a bond device and then into selected
slaves attached to it.
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Acked-by: Jay Vosburgh <jay.vosburgh@canonical.com>
Fixes:
|
||
|
Linus Torvalds
|
8e15605be8 |
9p patches for 6.4 merge window
This pull request includes a number of patches that didn't quite make the cut last merge window while we addressed some outstanding issues and review comments. It includes some new caching modes for those that only want readahead caches and reworks how we do writeback caching so we are not keeping extra references around which both causes performance problems and uses lots of additional resources on the server. It also includes a new flag to force disabling of xattrs which can also cause major performance issues, particularly if the underlying filesystem on the server doesn't support them. Finally it adds a couple of additional mount options to better support directio and enabling caches when the server doesn't support qid.version. There was one late-breaking bug report that has also been included as its own patch where I forgot to propagate an embarassing bit-logic fix to the various variations of open. Since that was only added to for-next a week ago, if you would like to not include it, I can include it in the first round of fixes for -rc2. Signed-off-by: Eric Van Hensbergen <ericvh@kernel.org> -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEElpbw0ZalkJikytFRiP/V+0pf/5gFAmRS/LEACgkQiP/V+0pf /5i84RAAqFtTYPYxg0VMLvjix0BCCE7CYR+vr7UsoGFeuVRyFsKh7G6fhmRXUhpG 2kf+1CK+xzQd9PEKiQnVmGhib9SCdeWqb9EUpCgLZEmrSci0qUenzjf3Jg5Qgwhx u6xu9tipzHeHMFBD6n0f+j2fZEsDAv5IzgL14F9YfJQueVsL+HUOifLncruWnUEn rJAf7omhE1x+FfWsNaB22AksvYUXtQfoG3MgCPWql/XKlo/6xeW/8/eprutIO06M LUp3ie4RbSRZiE63SfPhxFMJCZ7g+R1JSKe1J8i9bbbwzYsVO8dovwdMCw0tP7ZQ QjVq+Ng4x0Rn5Bmekj18ua7zRsbl96DaoqcnYWKUOHkRVJleTG9t31MeZQaRC+gh F3321XkqDBHMXPVVLVQ1Gb1Pxt8dk9iFwmTMxktTrM4n5Zwv8ldMDKQgOhDIv9WA dDTjZ7mYpk2f9atxA0oys5oebQlT3D0CM/3p6n/PsXXpk30tat99kgcKlpN8SrL+ Fs0UkXTQuu0Vin8zaMarQ2TW2UGQVM8qRD2gTooRnOItdqItx17czaE2ALOdIuVs LCbDxOXNPP/YbzakNUxh5ldI3Z3eahbilVfGa8ILfvprKnH7MaMmSo0rkP4XHj1h JDUiN7JOCOW4dvfaXa4knSIjs62Y9oTS0MWrO9Ajq8bg4ku6U7c= =qXIe -----END PGP SIGNATURE----- Merge tag '9p-6.4-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs Pull 9p updates from Eric Van Hensbergen: "This includes a number of patches that didn't quite make the cut last merge window while we addressed some outstanding issues and review comments. It includes some new caching modes for those that only want readahead caches and reworks how we do writeback caching so we are not keeping extra references around which both causes performance problems and uses lots of additional resources on the server. It also includes a new flag to force disabling of xattrs which can also cause major performance issues, particularly if the underlying filesystem on the server doesn't support them. Finally it adds a couple of additional mount options to better support directio and enabling caches when the server doesn't support qid.version. There was one late-breaking bug report that has also been included as its own patch where I forgot to propagate an embarassing bit-logic fix to the various variations of open" * tag '9p-6.4-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs: fs/9p: Fix bit operation logic error fs/9p: Rework cache modes and add new options to Documentation fs/9p: remove writeback fid and fix per-file modes fs/9p: Add new mount modes 9p: Add additional debug flags and open modes fs/9p: allow disable of xattr support on mount fs/9p: Remove unnecessary superblock flags fs/9p: Consolidate file operations and add readahead and writeback |
||
|
Pablo Neira Ayuso
|
c1592a8994 |
netfilter: nf_tables: deactivate anonymous set from preparation phase
Toggle deleted anonymous sets as inactive in the next generation, so users cannot perform any update on it. Clear the generation bitmask in case the transaction is aborted. The following KASAN splat shows a set element deletion for a bound anonymous set that has been already removed in the same transaction. [ 64.921510] ================================================================== [ 64.923123] BUG: KASAN: wild-memory-access in nf_tables_commit+0xa24/0x1490 [nf_tables] [ 64.924745] Write of size 8 at addr dead000000000122 by task test/890 [ 64.927903] CPU: 3 PID: 890 Comm: test Not tainted 6.3.0+ #253 [ 64.931120] Call Trace: [ 64.932699] <TASK> [ 64.934292] dump_stack_lvl+0x33/0x50 [ 64.935908] ? nf_tables_commit+0xa24/0x1490 [nf_tables] [ 64.937551] kasan_report+0xda/0x120 [ 64.939186] ? nf_tables_commit+0xa24/0x1490 [nf_tables] [ 64.940814] nf_tables_commit+0xa24/0x1490 [nf_tables] [ 64.942452] ? __kasan_slab_alloc+0x2d/0x60 [ 64.944070] ? nf_tables_setelem_notify+0x190/0x190 [nf_tables] [ 64.945710] ? kasan_set_track+0x21/0x30 [ 64.947323] nfnetlink_rcv_batch+0x709/0xd90 [nfnetlink] [ 64.948898] ? nfnetlink_rcv_msg+0x480/0x480 [nfnetlink] Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> |
||
|
David Howells
|
db099c625b |
rxrpc: Fix timeout of a call that hasn't yet been granted a channel
afs_make_call() calls rxrpc_kernel_begin_call() to begin a call (which may
get stalled in the background waiting for a connection to become
available); it then calls rxrpc_kernel_set_max_life() to set the timeouts -
but that starts the call timer so the call timer might then expire before
we get a connection assigned - leading to the following oops if the call
stalled:
BUG: kernel NULL pointer dereference, address: 0000000000000000
...
CPU: 1 PID: 5111 Comm: krxrpcio/0 Not tainted 6.3.0-rc7-build3+ #701
RIP: 0010:rxrpc_alloc_txbuf+0xc0/0x157
...
Call Trace:
<TASK>
rxrpc_send_ACK+0x50/0x13b
rxrpc_input_call_event+0x16a/0x67d
rxrpc_io_thread+0x1b6/0x45f
? _raw_spin_unlock_irqrestore+0x1f/0x35
? rxrpc_input_packet+0x519/0x519
kthread+0xe7/0xef
? kthread_complete_and_exit+0x1b/0x1b
ret_from_fork+0x22/0x30
Fix this by noting the timeouts in struct rxrpc_call when the call is
created. The timer will be started when the first packet is transmitted.
It shouldn't be possible to trigger this directly from userspace through
AF_RXRPC as sendmsg() will return EBUSY if the call is in the
waiting-for-conn state if it dropped out of the wait due to a signal.
Fixes:
|
||
|
Chuck Lever
|
5e052dda12 |
SUNRPC: Recognize control messages in server-side TCP socket code
To support kTLS, the server-side TCP socket receive path needs to watch for CMSGs. Acked-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Chuck Lever <chuck.lever@oracle.com> |
||
|
Paolo Abeni
|
c248b27cfc |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
No conflicts. Signed-off-by: Paolo Abeni <pabeni@redhat.com> |
||
|
Jakub Kicinski
|
ffcddcaed6 |
netfilter pull request 23-04-22
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Merge tag 'nf-next-23-04-22' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next
Pablo Neira Ayuso says:
====================
Netfilter/IPVS updates for net-next
1) Reduce jumpstack footprint: Stash chain in last rule marker in blob for
tracing. Remove last rule and chain from jumpstack. From Florian Westphal.
2) nf_tables validates all tables before committing the new rules.
Unfortunately, this has two drawbacks:
- Since addition of the transaction mutex pernet state gets written to
outside of the locked section from the cleanup callback, this is
wrong so do this cleanup directly after table has passed all checks.
- Revalidate tables that saw no changes. This can be avoided by
keeping the validation state per table, not per netns.
From Florian Westphal.
3) Get rid of a few redundant pointers in the traceinfo structure.
The three removed pointers are used in the expression evaluation loop,
so gcc keeps them in registers. Passing them to the (inlined) helpers
thus doesn't increase nft_do_chain text size, while stack is reduced
by another 24 bytes on 64bit arches. From Florian Westphal.
4) IPVS cleanups in several ways without implementing any functional
changes, aside from removing some debugging output:
- Update width of source for ip_vs_sync_conn_options
The operation is safe, use an annotation to describe it properly.
- Consistently use array_size() in ip_vs_conn_init()
It seems better to use helpers consistently.
- Remove {Enter,Leave}Function. These seem to be well past their
use-by date.
- Correct spelling in comments.
From Simon Horman.
5) Extended netlink error report for netdevice in flowtables and
netdev/chains. Allow for incrementally add/delete devices to netdev
basechain. Allow to create netdev chain without device.
* tag 'nf-next-23-04-22' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next:
netfilter: nf_tables: allow to create netdev chain without device
netfilter: nf_tables: support for deleting devices in an existing netdev chain
netfilter: nf_tables: support for adding new devices to an existing netdev chain
netfilter: nf_tables: rename function to destroy hook list
netfilter: nf_tables: do not send complete notification of deletions
netfilter: nf_tables: extended netlink error reporting for netdevice
ipvs: Correct spelling in comments
ipvs: Remove {Enter,Leave}Function
ipvs: Consistently use array_size() in ip_vs_conn_init()
ipvs: Update width of source for ip_vs_sync_conn_options
netfilter: nf_tables: do not store rule in traceinfo structure
netfilter: nf_tables: do not store verdict in traceinfo structure
netfilter: nf_tables: do not store pktinfo in traceinfo structure
netfilter: nf_tables: remove unneeded conditional
netfilter: nf_tables: make validation state per table
netfilter: nf_tables: don't write table validation state without mutex
netfilter: nf_tables: don't store chain address on jump
netfilter: nf_tables: don't store address of last rule on jump
netfilter: nf_tables: merge nft_rules_old structure and end of ruleblob marker
====================
Link: https://lore.kernel.org/r/20230421235021.216950-1-pablo@netfilter.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
||
|
Luiz Augusto von Dentz
|
d883a4669a |
Bluetooth: hci_sync: Only allow hci_cmd_sync_queue if running
This makes sure hci_cmd_sync_queue only queue new work if HCI_RUNNING has been set otherwise there is a risk of commands being sent while turning off. Because hci_cmd_sync_queue can no longer queue work while HCI_RUNNING is not set it cannot be used to power on adapters so instead hci_cmd_sync_submit is introduced which bypass the HCI_RUNNING check, so it behaves like the old implementation. Link: https://lore.kernel.org/all/CAB4PzUpDMvdc8j2MdeSAy1KkAE-D3woprCwAdYWeOc-3v3c9Sw@mail.gmail.com/ Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com> |
||
|
Raul Cheleguini
|
91b6d02ddc |
Bluetooth: Add new quirk for broken set random RPA timeout for ATS2851
The ATS2851 based controller advertises support for command "LE Set Random
Private Address Timeout" but does not actually implement it, impeding the
controller initialization.
Add the quirk HCI_QUIRK_BROKEN_SET_RPA_TIMEOUT to unblock the controller
initialization.
< HCI Command: LE Set Resolvable Private... (0x08|0x002e) plen 2
Timeout: 900 seconds
> HCI Event: Command Status (0x0f) plen 4
LE Set Resolvable Private Address Timeout (0x08|0x002e) ncmd 1
Status: Unknown HCI Command (0x01)
Co-developed-by: imoc <wzj9912@gmail.com>
Signed-off-by: imoc <wzj9912@gmail.com>
Signed-off-by: Raul Cheleguini <raul.cheleguini@gmail.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
|