syzbot


KASAN: use-after-free Read in kfree_skb
Status: fixed on 2019/12/28 10:32
Reported-by: syzbot+936d4a1552d3614148dd@syzkaller.appspotmail.com
Fix commit: 79d404a2 Bluetooth: Fix invalid-free in bcsp_close()
First crash: 345d, last: 217d

Fix bisection: fixed by (bisect log):

commit 79d404a2aa86efe4f1ade51e054318bd811cce71
Author: Tomas Bortoli <tomasbortoli@gmail.com>
Date: Fri Nov 1 20:42:44 2019 +0000

  Bluetooth: Fix invalid-free in bcsp_close()

similar bugs (4):
Kernel Title Repro Bisected Count Last Reported Patched Status
upstream KASAN: use-after-free Read in kfree_skb 1 619d 619d 12/17 fixed on 2018/11/12 21:25
linux-4.19 KASAN: use-after-free Read in kfree_skb C fix 95 219d 339d 1/1 fixed on 2019/12/28 10:32
upstream KASAN: use-after-free Read in kfree_skb (2) C 66 560d 569d 12/17 fixed on 2019/01/11 01:22
upstream KASAN: use-after-free Read in kfree_skb (3) C cause+fix 313 219d 422d 0/17 upstream: reported C repro on 2019/05/07 09:36

Sample crash report:

Crashes (98):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci2-linux-4-14 2019/10/19 22:00 linux-4.14.y b98aebd2 8c88c9c1 .config log report syz C gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/08/03 15:52 linux-4.14.y 10d6aa56 6affd8e8 .config log report syz C gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/09/24 07:16 linux-4.14.y f6e27dbb c68252d2 .config log report syz gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/08/02 03:38 linux-4.14.y 10d6aa56 835dffe7 .config log report syz gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/28 00:32 linux-4.14.y 43598c57 0d63f89c .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/27 13:58 linux-4.14.y 43598c57 1048481f .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/26 16:31 linux-4.14.y 43598c57 598ca6c8 .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/26 15:02 linux-4.14.y 43598c57 598ca6c8 .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/26 10:54 linux-4.14.y 43598c57 598ca6c8 .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/26 09:28 linux-4.14.y 43598c57 598ca6c8 .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/26 05:55 linux-4.14.y 43598c57 598ca6c8 .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/26 04:37 linux-4.14.y 43598c57 598ca6c8 .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/26 01:54 linux-4.14.y 43598c57 598ca6c8 .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/25 23:44 linux-4.14.y 43598c57 598ca6c8 .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/25 15:41 linux-4.14.y 43598c57 598ca6c8 .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/25 14:41 linux-4.14.y 43598c57 598ca6c8 .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/25 08:56 linux-4.14.y 43598c57 598ca6c8 .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/24 09:40 linux-4.14.y f56f3d0e 598ca6c8 .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/24 00:16 linux-4.14.y f56f3d0e 598ca6c8 .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/23 20:11 linux-4.14.y f56f3d0e 598ca6c8 .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/23 16:46 linux-4.14.y f56f3d0e 598ca6c8 .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/22 00:27 linux-4.14.y f56f3d0e 8098ea0f .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/20 03:45 linux-4.14.y 775d01b6 432c7650 .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/19 21:31 linux-4.14.y 775d01b6 432c7650 .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/19 04:44 linux-4.14.y 775d01b6 d5696d51 .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/19 01:23 linux-4.14.y 775d01b6 d5696d51 .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/18 23:52 linux-4.14.y 775d01b6 d5696d51 .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/18 17:01 linux-4.14.y 775d01b6 d5696d51 .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/18 00:41 linux-4.14.y 775d01b6 d5696d51 .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/17 21:01 linux-4.14.y 775d01b6 d5696d51 .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/16 23:38 linux-4.14.y 775d01b6 cdac920b .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/16 16:45 linux-4.14.y 775d01b6 cdac920b .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/16 05:53 linux-4.14.y 775d01b6 cdac920b .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/15 01:11 linux-4.14.y 775d01b6 048f2d49 .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/14 09:01 linux-4.14.y 775d01b6 048f2d49 .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/13 16:23 linux-4.14.y 4762bcd4 048f2d49 .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/12 06:11 linux-4.14.y 4762bcd4 377d77fa .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/11 13:26 linux-4.14.y c9fda4f2 dc438b91 .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/09 20:22 linux-4.14.y c9fda4f2 1e35461e .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/09 09:02 linux-4.14.y c9fda4f2 1e35461e .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/08 21:38 linux-4.14.y c9fda4f2 1e35461e .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/08 09:36 linux-4.14.y c9fda4f2 1e35461e .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/08 03:01 linux-4.14.y c9fda4f2 f39aff9e .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/06 22:41 linux-4.14.y c9fda4f2 da505f84 .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/11/01 11:44 linux-4.14.y ddef1e8e a41ca8fa .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/10/21 07:12 linux-4.14.y b98aebd2 8c88c9c1 .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/10/20 22:48 linux-4.14.y b98aebd2 8c88c9c1 .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/10/20 19:48 linux-4.14.y b98aebd2 8c88c9c1 .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/10/20 03:18 linux-4.14.y b98aebd2 8c88c9c1 .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/10/20 02:10 linux-4.14.y b98aebd2 8c88c9c1 .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/10/19 15:07 linux-4.14.y b98aebd2 8c88c9c1 .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/08/02 00:52 linux-4.14.y 10d6aa56 835dffe7 .config log report gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-14 2019/07/23 10:43 linux-4.14.y ff33472c bb071d58 .config log report