From: Jens Axboe <[email protected]>
To: [email protected], Pavel Begunkov <[email protected]>
Cc: [email protected]
Subject: Re: [PATCH 1/1] io_uring: sqpoll: zero sqd->thread on tctx errors
Date: Fri, 10 Jan 2025 07:34:21 -0700 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <efc7ec7010784463b2e7466d7b5c02c2cb381635.1736519461.git.asml.silence@gmail.com>
On Fri, 10 Jan 2025 14:31:23 +0000, Pavel Begunkov wrote:
> Syzkeller reports:
>
> BUG: KASAN: slab-use-after-free in thread_group_cputime+0x409/0x700 kernel/sched/cputime.c:341
> Read of size 8 at addr ffff88803578c510 by task syz.2.3223/27552
> Call Trace:
> <TASK>
> ...
> kasan_report+0x143/0x180 mm/kasan/report.c:602
> thread_group_cputime+0x409/0x700 kernel/sched/cputime.c:341
> thread_group_cputime_adjusted+0xa6/0x340 kernel/sched/cputime.c:639
> getrusage+0x1000/0x1340 kernel/sys.c:1863
> io_uring_show_fdinfo+0xdfe/0x1770 io_uring/fdinfo.c:197
> seq_show+0x608/0x770 fs/proc/fd.c:68
> ...
>
> [...]
Applied, thanks!
[1/1] io_uring: sqpoll: zero sqd->thread on tctx errors
commit: 1593ed0d510769514b648e09f8b7b71cc7fc18ec
Best regards,
--
Jens Axboe
prev parent reply other threads:[~2025-01-10 14:34 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-10 14:31 [PATCH 1/1] io_uring: sqpoll: zero sqd->thread on tctx errors Pavel Begunkov
2025-01-10 14:34 ` Jens Axboe [this message]
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