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From: syzbot <syzbot+b3ba2408ce0c74bb9230@syzkaller.appspotmail.com>
To: asml.silence@gmail.com, axboe@kernel.dk,
	io-uring@vger.kernel.org, linux-kernel@vger.kernel.org,
	syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [io-uring?] KASAN: use-after-free Read in io_wq_worker_wake
Date: Mon, 13 Mar 2023 07:32:24 -0700	[thread overview]
Message-ID: <000000000000bd527205f6c8fa41@google.com> (raw)
In-Reply-To: <000000000000f0fb6005f1cfc17f@google.com>

syzbot suspects this issue was fixed by commit:

commit e6db6f9398dadcbc06318a133d4c44a2d3844e61
Author: Jens Axboe <axboe@kernel.dk>
Date:   Sun Jan 8 17:39:17 2023 +0000

    io_uring/io-wq: only free worker if it was allocated for creation

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=113a76fac80000
start commit:   1fe4fd6f5cad Merge tag 'xfs-6.2-fixes-2' of git://git.kern..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=8b79b14037065d92
dashboard link: https://syzkaller.appspot.com/bug?extid=b3ba2408ce0c74bb9230
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1388e5f2480000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=127f1aa4480000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: io_uring/io-wq: only free worker if it was allocated for creation

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

  parent reply	other threads:[~2023-03-13 14:32 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-09  7:31 [syzbot] KASAN: use-after-free Read in io_wq_worker_wake syzbot
2023-01-09 14:58 ` Jens Axboe
2023-01-09 19:33   ` syzbot
2023-01-09 17:56 ` syzbot
2023-03-13 14:32 ` syzbot [this message]
2023-03-13 14:38   ` [syzbot] [io-uring?] " Jens Axboe

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