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From: syzbot <syzbot+99043e2052d9c50c81fc@syzkaller.appspotmail.com>
To: adilger.kernel@dilger.ca, duyuyang@gmail.com,
	linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org,
	mingo@kernel.org, peterz@infradead.org,
	syzkaller-bugs@googlegroups.com, tytso@mit.edu
Subject: Re: [syzbot] kernel BUG in mpage_prepare_extent_to_map
Date: Sat, 12 Jun 2021 20:32:06 -0700	[thread overview]
Message-ID: <00000000000093166f05c49d62ea@google.com> (raw)
In-Reply-To: <0000000000003853da05c39afd00@google.com>

syzbot has bisected this issue to:

commit 68e9dc29f8f42c79d2a3755223ed910ce36b4ae2
Author: Yuyang Du <duyuyang@gmail.com>
Date:   Mon May 6 08:19:36 2019 +0000

    locking/lockdep: Check redundant dependency only when CONFIG_LOCKDEP_SMALL

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=12f2bda8300000
start commit:   ad347abe Merge tag 'trace-v5.13-rc5-2' of git://git.kernel..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=11f2bda8300000
console output: https://syzkaller.appspot.com/x/log.txt?x=16f2bda8300000
kernel config:  https://syzkaller.appspot.com/x/.config?x=30f476588412c065
dashboard link: https://syzkaller.appspot.com/bug?extid=99043e2052d9c50c81fc
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1204231fd00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1324e4d0300000

Reported-by: syzbot+99043e2052d9c50c81fc@syzkaller.appspotmail.com
Fixes: 68e9dc29f8f4 ("locking/lockdep: Check redundant dependency only when CONFIG_LOCKDEP_SMALL")

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

      parent reply	other threads:[~2021-06-13  3:32 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-31  7:15 [syzbot] kernel BUG in mpage_prepare_extent_to_map syzbot
2021-06-12 21:55 ` syzbot
2021-06-13  3:32 ` syzbot [this message]

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