* [moderation/CI] Re: tcp: Destroy TCP-AO, TCP-MD5 keys in .sk_destruct()
@ 2025-08-22 8:54 syzbot ci
2025-08-22 9:06 ` Aleksandr Nogikh
0 siblings, 1 reply; 2+ messages in thread
From: syzbot ci @ 2025-08-22 8:54 UTC (permalink / raw)
To: syzkaller-upstream-moderation; +Cc: syzbot
syzbot ci has tested the following series
[v1] tcp: Destroy TCP-AO, TCP-MD5 keys in .sk_destruct()
https://lore.kernel.org/all/20250822-b4-tcp-ao-md5-rst-finwait2-v1-0-25825d085dcb@arista.com
* [PATCH net-next 1/2] tcp: Destroy TCP-AO, TCP-MD5 keys in .sk_destruct()
* [PATCH net-next 2/2] tcp: Free TCP-AO/TCP-MD5 info/keys without RCU
and found the following issue:
WARNING in inet_sock_destruct
Full report is available here:
https://ci.syzbot.org/series/4e53fc18-79b4-47d6-87c4-89e499e12879
***
WARNING in inet_sock_destruct
tree: net-next
URL: https://kernel.googlesource.com/pub/scm/linux/kernel/git/netdev/net-next.git
base: a9af709fda7edafa17e072bffe610d9e7ed7a5df
arch: amd64
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
config: https://ci.syzbot.org/builds/d6e1c7cd-df1b-4192-bc2d-a2db69987793/config
C repro: https://ci.syzbot.org/findings/62fd81c8-8c8c-49fe-aa87-8e1418bcc053/c_repro
syz repro: https://ci.syzbot.org/findings/62fd81c8-8c8c-49fe-aa87-8e1418bcc053/syz_repro
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6012 at net/ipv4/af_inet.c:153 inet_sock_destruct+0x5f9/0x730 net/ipv4/af_inet.c:153
Modules linked in:
CPU: 0 UID: 0 PID: 6012 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:inet_sock_destruct+0x5f9/0x730 net/ipv4/af_inet.c:153
Code: 00 41 0f b6 74 24 12 48 c7 c7 20 91 9e 8c 4c 89 e2 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d e9 dd 38 24 f7 e8 68 44 bc f7 90 <0f> 0b 90 e9 62 fe ff ff e8 5a 44 bc f7 90 0f 0b 90 e9 95 fe ff ff
RSP: 0018:ffffc90003a0fc58 EFLAGS: 00010293
RAX: ffffffff8a0366c8 RBX: dffffc0000000000 RCX: ffff888106891cc0
RDX: 0000000000000000 RSI: 00000000000003c0 RDI: 0000000000000000
RBP: 00000000000003c0 R08: ffff88803bb429c3 R09: 1ffff11007768538
R10: dffffc0000000000 R11: ffffed1007768539 R12: ffff88803bb42880
R13: dffffc0000000000 R14: ffff88803bb429c0 R15: 1ffff11007768512
FS: 00005555690ff500(0000) GS:ffff8880b861a000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000f65000 CR3: 0000000106d3a000 CR4: 00000000000006f0
Call Trace:
<TASK>
__sk_destruct+0x89/0x660 net/core/sock.c:2339
inet_release+0x144/0x190 net/ipv4/af_inet.c:435
__sock_release net/socket.c:649 [inline]
sock_close+0xc3/0x240 net/socket.c:1439
__fput+0x44c/0xa70 fs/file_table.c:468
task_work_run+0x1d4/0x260 kernel/task_work.c:227
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
exit_to_user_mode_loop+0xec/0x110 kernel/entry/common.c:43
exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline]
syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline]
do_syscall_64+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa54ab8ebe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc0978c268 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 000000000000ce2e RCX: 00007fa54ab8ebe9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000001 R09: 000000040978c55f
R10: 0000001b30220000 R11: 0000000000000246 R12: 00007fa54adb5fac
R13: 00007fa54adb5fa0 R14: ffffffffffffffff R15: 0000000000000006
</TASK>
***
If these findings have caused you to resend the series or submit a
separate fix, please add the following tag to your commit message:
Tested-by: syzbot@syzkaller.appspotmail.com
---
This report is generated by a bot. It may contain errors.
syzbot ci engineers can be reached at syzkaller@googlegroups.com.
The email will later be sent to:
[0x7f454c46@gmail.com davem@davemloft.net devnull@kernel.org dima@arista.com dsahern@kernel.org edumazet@google.com gilligan@arista.com horms@kernel.org kuba@kernel.org kuniyu@google.com linux-kernel@vger.kernel.org ncardwell@google.com netdev@vger.kernel.org noureddine@arista.com pabeni@redhat.com]
If the report looks fine to you, reply with:
#syz upstream
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [moderation/CI] Re: tcp: Destroy TCP-AO, TCP-MD5 keys in .sk_destruct()
2025-08-22 8:54 [moderation/CI] Re: tcp: Destroy TCP-AO, TCP-MD5 keys in .sk_destruct() syzbot ci
@ 2025-08-22 9:06 ` Aleksandr Nogikh
0 siblings, 0 replies; 2+ messages in thread
From: Aleksandr Nogikh @ 2025-08-22 9:06 UTC (permalink / raw)
To: syzbot ci; +Cc: syzkaller-upstream-moderation, syzbot
#syz upstream
On Fri, Aug 22, 2025 at 10:54 AM syzbot ci
<syzbot+ci8912e284da8aa743@syzkaller.appspotmail.com> wrote:
>
> syzbot ci has tested the following series
>
> [v1] tcp: Destroy TCP-AO, TCP-MD5 keys in .sk_destruct()
> https://lore.kernel.org/all/20250822-b4-tcp-ao-md5-rst-finwait2-v1-0-25825d085dcb@arista.com
> * [PATCH net-next 1/2] tcp: Destroy TCP-AO, TCP-MD5 keys in .sk_destruct()
> * [PATCH net-next 2/2] tcp: Free TCP-AO/TCP-MD5 info/keys without RCU
>
> and found the following issue:
> WARNING in inet_sock_destruct
>
> Full report is available here:
> https://ci.syzbot.org/series/4e53fc18-79b4-47d6-87c4-89e499e12879
>
> ***
>
> WARNING in inet_sock_destruct
>
> tree: net-next
> URL: https://kernel.googlesource.com/pub/scm/linux/kernel/git/netdev/net-next.git
> base: a9af709fda7edafa17e072bffe610d9e7ed7a5df
> arch: amd64
> compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
> config: https://ci.syzbot.org/builds/d6e1c7cd-df1b-4192-bc2d-a2db69987793/config
> C repro: https://ci.syzbot.org/findings/62fd81c8-8c8c-49fe-aa87-8e1418bcc053/c_repro
> syz repro: https://ci.syzbot.org/findings/62fd81c8-8c8c-49fe-aa87-8e1418bcc053/syz_repro
>
> ------------[ cut here ]------------
> WARNING: CPU: 0 PID: 6012 at net/ipv4/af_inet.c:153 inet_sock_destruct+0x5f9/0x730 net/ipv4/af_inet.c:153
> Modules linked in:
> CPU: 0 UID: 0 PID: 6012 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full)
> Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
> RIP: 0010:inet_sock_destruct+0x5f9/0x730 net/ipv4/af_inet.c:153
> Code: 00 41 0f b6 74 24 12 48 c7 c7 20 91 9e 8c 4c 89 e2 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d e9 dd 38 24 f7 e8 68 44 bc f7 90 <0f> 0b 90 e9 62 fe ff ff e8 5a 44 bc f7 90 0f 0b 90 e9 95 fe ff ff
> RSP: 0018:ffffc90003a0fc58 EFLAGS: 00010293
> RAX: ffffffff8a0366c8 RBX: dffffc0000000000 RCX: ffff888106891cc0
> RDX: 0000000000000000 RSI: 00000000000003c0 RDI: 0000000000000000
> RBP: 00000000000003c0 R08: ffff88803bb429c3 R09: 1ffff11007768538
> R10: dffffc0000000000 R11: ffffed1007768539 R12: ffff88803bb42880
> R13: dffffc0000000000 R14: ffff88803bb429c0 R15: 1ffff11007768512
> FS: 00005555690ff500(0000) GS:ffff8880b861a000(0000) knlGS:0000000000000000
> CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> CR2: 0000200000f65000 CR3: 0000000106d3a000 CR4: 00000000000006f0
> Call Trace:
> <TASK>
> __sk_destruct+0x89/0x660 net/core/sock.c:2339
> inet_release+0x144/0x190 net/ipv4/af_inet.c:435
> __sock_release net/socket.c:649 [inline]
> sock_close+0xc3/0x240 net/socket.c:1439
> __fput+0x44c/0xa70 fs/file_table.c:468
> task_work_run+0x1d4/0x260 kernel/task_work.c:227
> resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
> exit_to_user_mode_loop+0xec/0x110 kernel/entry/common.c:43
> exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline]
> syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline]
> syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline]
> do_syscall_64+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
> RIP: 0033:0x7fa54ab8ebe9
> Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
> RSP: 002b:00007ffc0978c268 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
> RAX: 0000000000000000 RBX: 000000000000ce2e RCX: 00007fa54ab8ebe9
> RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
> RBP: 0000000000000000 R08: 0000000000000001 R09: 000000040978c55f
> R10: 0000001b30220000 R11: 0000000000000246 R12: 00007fa54adb5fac
> R13: 00007fa54adb5fa0 R14: ffffffffffffffff R15: 0000000000000006
> </TASK>
>
>
> ***
>
> If these findings have caused you to resend the series or submit a
> separate fix, please add the following tag to your commit message:
> Tested-by: syzbot@syzkaller.appspotmail.com
>
> ---
> This report is generated by a bot. It may contain errors.
> syzbot ci engineers can be reached at syzkaller@googlegroups.com.
>
> The email will later be sent to:
> [0x7f454c46@gmail.com davem@davemloft.net devnull@kernel.org dima@arista.com dsahern@kernel.org edumazet@google.com gilligan@arista.com horms@kernel.org kuba@kernel.org kuniyu@google.com linux-kernel@vger.kernel.org ncardwell@google.com netdev@vger.kernel.org noureddine@arista.com pabeni@redhat.com]
>
> If the report looks fine to you, reply with:
> #syz upstream
>
> --
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2025-08-22 8:54 [moderation/CI] Re: tcp: Destroy TCP-AO, TCP-MD5 keys in .sk_destruct() syzbot ci
2025-08-22 9:06 ` Aleksandr Nogikh
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