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From: syzbot <syzbot+26860029a4d562566231@syzkaller.appspotmail.com>
To: brauner@kernel.org, clm@fb.com, dsterba@suse.com, hch@lst.de,
	josef@toxicpanda.com, linux-btrfs@vger.kernel.org,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
	syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [btrfs?] KASAN: slab-use-after-free Read in btrfs_open_devices
Date: Mon, 07 Aug 2023 20:24:36 -0700	[thread overview]
Message-ID: <000000000000094846060260e710@google.com> (raw)
In-Reply-To: <0000000000007921d606025b6ad6@google.com>

syzbot has bisected this issue to:

commit 066d64b26a21a5b5c500a30f27f3e4b1959aac9e
Author: Christoph Hellwig <hch@lst.de>
Date:   Wed Aug 2 15:41:23 2023 +0000

    btrfs: open block devices after superblock creation

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=15493371a80000
start commit:   f7dc24b34138 Add linux-next specific files for 20230807
git tree:       linux-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=17493371a80000
console output: https://syzkaller.appspot.com/x/log.txt?x=13493371a80000
kernel config:  https://syzkaller.appspot.com/x/.config?x=d7847c9dca13d6c5
dashboard link: https://syzkaller.appspot.com/bug?extid=26860029a4d562566231
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=179704c9a80000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=17868ba9a80000

Reported-by: syzbot+26860029a4d562566231@syzkaller.appspotmail.com
Fixes: 066d64b26a21 ("btrfs: open block devices after superblock creation")

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

  reply	other threads:[~2023-08-08  3:27 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-07 20:51 [syzbot] [btrfs?] KASAN: slab-use-after-free Read in btrfs_open_devices syzbot
2023-08-08  3:24 ` syzbot [this message]
2023-08-08 15:50   ` Christian Brauner
2023-08-08 16:01     ` Christoph Hellwig
2023-08-08 16:35       ` Christian Brauner
2023-08-08 17:22         ` Christoph Hellwig
2023-08-08 17:38       ` David Sterba

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