Re: [PATCH net] net: fix data-races around sk->sk_forward_alloc

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@xxxxxxxxxx>:

On Thu, 7 Nov 2024 10:34:05 +0800 you wrote:
> Syzkaller reported this warning:
>  ------------[ cut here ]------------
>  WARNING: CPU: 0 PID: 16 at net/ipv4/af_inet.c:156 inet_sock_destruct+0x1c5/0x1e0
>  Modules linked in:
>  CPU: 0 UID: 0 PID: 16 Comm: ksoftirqd/0 Not tainted 6.12.0-rc5 #26
>  Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
>  RIP: 0010:inet_sock_destruct+0x1c5/0x1e0
>  Code: 24 12 4c 89 e2 5b 48 c7 c7 98 ec bb 82 41 5c e9 d1 18 17 ff 4c 89 e6 5b 48 c7 c7 d0 ec bb 82 41 5c e9 bf 18 17 ff 0f 0b eb 83 <0f> 0b eb 97 0f 0b eb 87 0f 0b e9 68 ff ff ff 66 66 2e 0f 1f 84 00
>  RSP: 0018:ffffc9000008bd90 EFLAGS: 00010206
>  RAX: 0000000000000300 RBX: ffff88810b172a90 RCX: 0000000000000007
>  RDX: 0000000000000002 RSI: 0000000000000300 RDI: ffff88810b172a00
>  RBP: ffff88810b172a00 R08: ffff888104273c00 R09: 0000000000100007
>  R10: 0000000000020000 R11: 0000000000000006 R12: ffff88810b172a00
>  R13: 0000000000000004 R14: 0000000000000000 R15: ffff888237c31f78
>  FS:  0000000000000000(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000
>  CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>  CR2: 00007ffc63fecac8 CR3: 000000000342e000 CR4: 00000000000006f0
>  DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>  DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>  Call Trace:
>   <TASK>
>   ? __warn+0x88/0x130
>   ? inet_sock_destruct+0x1c5/0x1e0
>   ? report_bug+0x18e/0x1a0
>   ? handle_bug+0x53/0x90
>   ? exc_invalid_op+0x18/0x70
>   ? asm_exc_invalid_op+0x1a/0x20
>   ? inet_sock_destruct+0x1c5/0x1e0
>   __sk_destruct+0x2a/0x200
>   rcu_do_batch+0x1aa/0x530
>   ? rcu_do_batch+0x13b/0x530
>   rcu_core+0x159/0x2f0
>   handle_softirqs+0xd3/0x2b0
>   ? __pfx_smpboot_thread_fn+0x10/0x10
>   run_ksoftirqd+0x25/0x30
>   smpboot_thread_fn+0xdd/0x1d0
>   kthread+0xd3/0x100
>   ? __pfx_kthread+0x10/0x10
>   ret_from_fork+0x34/0x50
>   ? __pfx_kthread+0x10/0x10
>   ret_from_fork_asm+0x1a/0x30
>   </TASK>
> 
> [...]

Here is the summary with links:
  - [net] net: fix data-races around sk->sk_forward_alloc
    https://git.kernel.org/netdev/net/c/073d89808c06

You are awesome, thank you!
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