From: patchwork-bot+netdevbpf@kernel.org
To: Eric Dumazet <edumazet@google.com>
Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com,
horms@kernel.org, netdev@vger.kernel.org, eric.dumazet@gmail.com,
syzkaller@googlegroups.com
Subject: Re: [PATCH net] mISDN: annotate data-race around dev->work
Date: Wed, 21 Jan 2026 02:50:05 +0000 [thread overview]
Message-ID: <176896380585.703462.3776381750776785744.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260118132528.2349573-1-edumazet@google.com>
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Sun, 18 Jan 2026 13:25:28 +0000 you wrote:
> dev->work can re read locklessly in mISDN_read()
> and mISDN_poll(). Add READ_ONCE()/WRITE_ONCE() annotations.
>
> BUG: KCSAN: data-race in mISDN_ioctl / mISDN_read
>
> write to 0xffff88812d848280 of 4 bytes by task 10864 on cpu 1:
> misdn_add_timer drivers/isdn/mISDN/timerdev.c:175 [inline]
> mISDN_ioctl+0x2fb/0x550 drivers/isdn/mISDN/timerdev.c:233
> vfs_ioctl fs/ioctl.c:51 [inline]
> __do_sys_ioctl fs/ioctl.c:597 [inline]
> __se_sys_ioctl+0xce/0x140 fs/ioctl.c:583
> __x64_sys_ioctl+0x43/0x50 fs/ioctl.c:583
> x64_sys_call+0x14b0/0x3000 arch/x86/include/generated/asm/syscalls_64.h:17
> do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
> do_syscall_64+0xd8/0x2c0 arch/x86/entry/syscall_64.c:94
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
>
> [...]
Here is the summary with links:
- [net] mISDN: annotate data-race around dev->work
https://git.kernel.org/netdev/net/c/8175dbf174d4
You are awesome, thank you!
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prev parent reply other threads:[~2026-01-21 2:50 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-18 13:25 [PATCH net] mISDN: annotate data-race around dev->work Eric Dumazet
2026-01-21 2:50 ` patchwork-bot+netdevbpf [this message]
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