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From: syzbot <syzbot+21e6887c0be14181206d@syzkaller.appspotmail.com>
To: asml.silence@gmail.com, axboe@kernel.dk, clm@fb.com,
	dsterba@suse.com, fgheet255t@gmail.com, io-uring@vger.kernel.org,
	josef@toxicpanda.com, linux-btrfs@vger.kernel.org,
	linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com,
	wqu@suse.com
Subject: Re: [syzbot] INFO: task hung in io_uring_cancel_generic (2)
Date: Wed, 08 Dec 2021 14:12:09 -0800	[thread overview]
Message-ID: <000000000000fadd4905d2a9c7e8@google.com> (raw)
In-Reply-To: <000000000000e016c205d1025f4c@google.com>

syzbot has bisected this issue to:

commit 741ec653ab58f5f263f2b6df38157997661c7a50
Author: Qu Wenruo <wqu@suse.com>
Date:   Mon Sep 27 07:22:01 2021 +0000

    btrfs: subpage: make end_compressed_bio_writeback() compatible

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=103f2ae5b00000
start commit:   cd8c917a56f2 Makefile: Do not quote value for CONFIG_CC_IM..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=123f2ae5b00000
console output: https://syzkaller.appspot.com/x/log.txt?x=143f2ae5b00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=5247c9e141823545
dashboard link: https://syzkaller.appspot.com/bug?extid=21e6887c0be14181206d
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1218dce1b00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=16f91d89b00000

Reported-by: syzbot+21e6887c0be14181206d@syzkaller.appspotmail.com
Fixes: 741ec653ab58 ("btrfs: subpage: make end_compressed_bio_writeback() compatible")

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

  parent reply	other threads:[~2021-12-08 22:12 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-17 21:03 [syzbot] INFO: task hung in io_uring_cancel_generic (2) syzbot
2021-12-08  0:04 ` syzbot
2021-12-09 15:58   ` Jens Axboe
2021-12-09 16:56     ` syzbot
2021-12-08 22:12 ` syzbot [this message]
2021-12-09  2:51   ` Josef Bacik
2021-12-09  3:45     ` Jens Axboe

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