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From: syzbot <[email protected]>
To: [email protected], [email protected],
	[email protected], [email protected],
	[email protected], [email protected],
	[email protected]
Subject: Re: [syzbot] KASAN: use-after-free Read in io_poll_remove_entries
Date: Tue, 22 Mar 2022 20:25:12 -0700	[thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>

syzbot has bisected this issue to:

commit 91eac1c69c202d9dad8bf717ae5b92db70bfe5cf
Author: Jens Axboe <[email protected]>
Date:   Wed Mar 16 22:59:10 2022 +0000

    io_uring: cache poll/double-poll state with a request flag

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=11819d0b700000
start commit:   b47d5a4f6b8d Merge tag 'audit-pr-20220321' of git://git.ke..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=13819d0b700000
console output: https://syzkaller.appspot.com/x/log.txt?x=15819d0b700000
kernel config:  https://syzkaller.appspot.com/x/.config?x=c44f0c051803a0ae
dashboard link: https://syzkaller.appspot.com/bug?extid=cd301bb6523ea8cc8ca2
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=150525ed700000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=10d08625700000

Reported-by: [email protected]
Fixes: 91eac1c69c20 ("io_uring: cache poll/double-poll state with a request flag")

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

      parent reply	other threads:[~2022-03-23  3:25 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-22  8:52 [syzbot] KASAN: use-after-free Read in io_poll_remove_entries syzbot
2022-03-23  1:20 ` syzbot
2022-03-23  1:22   ` Jens Axboe
2022-03-23  5:00     ` syzbot
2022-03-23  3:25 ` syzbot [this message]

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