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* Re: [syzbot] KASAN: use-after-free Write in io_submit_one
       [not found] <0000000000007de81505cfea992f@google.com>
@ 2021-12-08  5:04 ` syzbot
  2021-12-08 18:14   ` Pavel Begunkov
  0 siblings, 1 reply; 2+ messages in thread
From: syzbot @ 2021-12-08  5:04 UTC (permalink / raw)
  To: asml.silence, axboe, bcrl, linux-aio, linux-block, linux-fsdevel,
	linux-kernel, syzkaller-bugs, viro

syzbot has bisected this issue to:

commit 54a88eb838d37af930c9f19e1930a4fba6789cb5
Author: Pavel Begunkov <asml.silence@gmail.com>
Date:   Sat Oct 23 16:21:32 2021 +0000

    block: add single bio async direct IO helper

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1615e2b9b00000
start commit:   04fe99a8d936 Add linux-next specific files for 20211207
git tree:       linux-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=1515e2b9b00000
console output: https://syzkaller.appspot.com/x/log.txt?x=1115e2b9b00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=4589399873466942
dashboard link: https://syzkaller.appspot.com/bug?extid=3587cbbc6e1868796292
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=17db884db00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=14e9eabdb00000

Reported-by: syzbot+3587cbbc6e1868796292@syzkaller.appspotmail.com
Fixes: 54a88eb838d3 ("block: add single bio async direct IO helper")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection

^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [syzbot] KASAN: use-after-free Write in io_submit_one
  2021-12-08  5:04 ` [syzbot] KASAN: use-after-free Write in io_submit_one syzbot
@ 2021-12-08 18:14   ` Pavel Begunkov
  0 siblings, 0 replies; 2+ messages in thread
From: Pavel Begunkov @ 2021-12-08 18:14 UTC (permalink / raw)
  To: syzbot, axboe, bcrl, linux-aio, linux-block, linux-fsdevel,
	linux-kernel, syzkaller-bugs, viro

On 12/8/21 05:04, syzbot wrote:
> syzbot has bisected this issue to:
> 
> commit 54a88eb838d37af930c9f19e1930a4fba6789cb5
> Author: Pavel Begunkov <asml.silence@gmail.com>
> Date:   Sat Oct 23 16:21:32 2021 +0000
> 
>      block: add single bio async direct IO helper

Looks that's the same George reported yesterday, a fix is queued:
https://git.kernel.dk/cgit/linux-block/commit/?h=block-5.16&id=75feae73a28020e492fbad2323245455ef69d687

#syz fix: block: fix single bio async DIO error handling


> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1615e2b9b00000
> start commit:   04fe99a8d936 Add linux-next specific files for 20211207
> git tree:       linux-next
> final oops:     https://syzkaller.appspot.com/x/report.txt?x=1515e2b9b00000
> console output: https://syzkaller.appspot.com/x/log.txt?x=1115e2b9b00000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=4589399873466942
> dashboard link: https://syzkaller.appspot.com/bug?extid=3587cbbc6e1868796292
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=17db884db00000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=14e9eabdb00000
> 
> Reported-by: syzbot+3587cbbc6e1868796292@syzkaller.appspotmail.com
> Fixes: 54a88eb838d3 ("block: add single bio async direct IO helper")
> 
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection
> 

-- 
Pavel Begunkov

^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2021-12-08 18:14 UTC | newest]

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     [not found] <0000000000007de81505cfea992f@google.com>
2021-12-08  5:04 ` [syzbot] KASAN: use-after-free Write in io_submit_one syzbot
2021-12-08 18:14   ` Pavel Begunkov

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