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From: syzbot <syzbot+c4b1e5278d93269fd69c@syzkaller.appspotmail.com>
To: anand.jain@oracle.com, clm@fb.com, dsterba@suse.com,
	johannes.thumshirn@wdc.com, josef@toxicpanda.com,
	jthumshirn@suse.de, linux-btrfs@vger.kernel.org,
	linux-kernel@vger.kernel.org, nborisov@suse.com,
	syzkaller-bugs@googlegroups.com
Subject: Re: KASAN: slab-out-of-bounds Read in btrfs_scan_one_device
Date: Mon, 07 Dec 2020 01:34:03 -0800	[thread overview]
Message-ID: <000000000000e0aa9a05b5dc86cb@google.com> (raw)
In-Reply-To: <0000000000002ae6eb05b3bd420c@google.com>

syzbot suspects this issue was fixed by commit:

commit 0697d9a610998b8bdee6b2390836cb2391d8fd1a
Author: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Date:   Wed Nov 18 09:03:26 2020 +0000

    btrfs: don't access possibly stale fs_info data for printing duplicate device

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=10fb0d9b500000
start commit:   521b619a Merge tag 'linux-kselftest-kunit-fixes-5.10-rc3' ..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=e791ddf0875adf65
dashboard link: https://syzkaller.appspot.com/bug?extid=c4b1e5278d93269fd69c
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=16296f5c500000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1614e746500000

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

#syz fix: btrfs: don't access possibly stale fs_info data for printing duplicate device

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

  reply	other threads:[~2020-12-07  9:34 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-10  9:25 KASAN: slab-out-of-bounds Read in btrfs_scan_one_device syzbot
2020-12-07  9:34 ` syzbot [this message]
2020-12-07  9:50   ` Dmitry Vyukov

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