syzbot


KASAN: use-after-free Read in kfree_skb
Status: fixed on 2019/12/28 10:32
Reported-by: syzbot+b92eb4b74ca4c06dec76@syzkaller.appspotmail.com
Fix commit: 03bf4876 Bluetooth: Fix invalid-free in bcsp_close()
First crash: 347d, last: 227d

Fix bisection: fixed by (bisect log):

commit 03bf4876a5935ab48e4dbf56ebdffd25e44378a5
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 628d 628d 12/17 fixed on 2018/11/12 21:25
linux-4.14 KASAN: use-after-free Read in kfree_skb C fix 98 226d 353d 1/1 fixed on 2019/12/28 10:32
upstream KASAN: use-after-free Read in kfree_skb (2) C 66 568d 578d 12/17 fixed on 2019/01/11 01:22
upstream KASAN: use-after-free Read in kfree_skb (3) C cause+fix 313 227d 430d 0/17 upstream: reported C repro on 2019/05/07 09:36

Sample crash report:

Crashes (95):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci2-linux-4-19 2019/10/15 21:06 linux-4.19.y dafd6344 b5268b89 .config log report syz C johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/08/03 22:09 linux-4.19.y 9a9de33a 6affd8e8 .config log report syz C johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/11/12 07:18 linux-4.19.y 7d8dbefc 377d77fa .config log report syz johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/10/14 13:50 linux-4.19.y dafd6344 a6aef847 .config log report syz johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/09/19 17:31 linux-4.19.y dbc29aff eb940044 .config log report syz johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/08/02 06:21 linux-4.19.y 9a9de33a 835dffe7 .config log report syz johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/11/26 14:48 linux-4.19.y 14260788 598ca6c8 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/11/26 09:20 linux-4.19.y 14260788 598ca6c8 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/11/25 09:02 linux-4.19.y 14260788 598ca6c8 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/11/25 05:39 linux-4.19.y 14260788 598ca6c8 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/11/23 18:41 linux-4.19.y c63ee293 598ca6c8 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/11/20 20:26 linux-4.19.y c555efaf 432c7650 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/11/20 17:10 linux-4.19.y c555efaf 432c7650 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/11/19 21:02 linux-4.19.y c555efaf 432c7650 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/11/19 05:24 linux-4.19.y c555efaf d5696d51 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/11/18 16:54 linux-4.19.y c555efaf d5696d51 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/11/16 06:36 linux-4.19.y c555efaf cdac920b .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/11/16 05:32 linux-4.19.y c555efaf cdac920b .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/11/15 04:08 linux-4.19.y c555efaf 048f2d49 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/11/13 20:52 linux-4.19.y c555efaf 048f2d49 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/11/13 14:59 linux-4.19.y 7d8dbefc 048f2d49 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/11/12 23:58 linux-4.19.y 7d8dbefc 048f2d49 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/11/12 15:24 linux-4.19.y 7d8dbefc 048f2d49 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/11/12 12:07 linux-4.19.y 7d8dbefc 048f2d49 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/11/12 09:18 linux-4.19.y 7d8dbefc 048f2d49 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/11/12 07:07 linux-4.19.y 7d8dbefc 377d77fa .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/11/12 04:49 linux-4.19.y 7d8dbefc 377d77fa .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/11/11 16:35 linux-4.19.y 7d8dbefc 377d77fa .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/11/11 13:44 linux-4.19.y 5ee93551 dc438b91 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/11/11 01:14 linux-4.19.y 5ee93551 dc438b91 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/11/09 16:29 linux-4.19.y 5ee93551 1e35461e .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/11/09 00:58 linux-4.19.y 5ee93551 1e35461e .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/11/08 05:28 linux-4.19.y 5ee93551 f39aff9e .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/11/07 22:24 linux-4.19.y 5ee93551 f39aff9e .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/11/07 14:58 linux-4.19.y 5ee93551 d5bc6812 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/11/02 16:44 linux-4.19.y ef244c30 997ccc67 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/11/02 08:38 linux-4.19.y ef244c30 997ccc67 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/11/02 04:17 linux-4.19.y ef244c30 997ccc67 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/11/01 16:33 linux-4.19.y ef244c30 a41ca8fa .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/10/31 23:11 linux-4.19.y ef244c30 a41ca8fa .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/10/25 12:54 linux-4.19.y c3038e71 04ca72cd .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/10/24 03:13 linux-4.19.y c3038e71 b602d64b .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/10/21 07:15 linux-4.19.y c3038e71 8c88c9c1 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/10/21 05:28 linux-4.19.y c3038e71 8c88c9c1 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/10/21 02:38 linux-4.19.y c3038e71 8c88c9c1 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/10/20 19:44 linux-4.19.y c3038e71 8c88c9c1 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/10/20 17:19 linux-4.19.y c3038e71 8c88c9c1 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/10/20 15:54 linux-4.19.y c3038e71 8c88c9c1 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/10/19 03:11 linux-4.19.y c3038e71 8c88c9c1 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/10/14 03:25 linux-4.19.y dafd6344 2f661ec4 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/10/06 21:03 linux-4.19.y 6cad9d0c f3f7d9c8 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/10/02 21:05 linux-4.19.y 555161ee 2e29b534 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/10/02 03:09 linux-4.19.y 555161ee b7a87a83 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/10/01 05:15 linux-4.19.y d573e8a7 c7a4fb99 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/09/29 15:56 linux-4.19.y d573e8a7 c1ad5441 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/09/26 16:41 linux-4.19.y d573e8a7 24d405a3 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/09/24 21:47 linux-4.19.y d573e8a7 e38a6630 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/09/23 21:31 linux-4.19.y d573e8a7 c68252d2 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/09/23 15:09 linux-4.19.y d573e8a7 1e9788a0 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/08/12 00:04 linux-4.19.y 893af1c7 acb51638 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/08/11 22:31 linux-4.19.y 893af1c7 acb51638 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/08/11 22:06 linux-4.19.y 893af1c7 acb51638 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/08/11 12:23 linux-4.19.y 893af1c7 acb51638 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/08/10 21:39 linux-4.19.y 893af1c7 acb51638 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/08/09 14:17 linux-4.19.y cc4c818b aff9e255 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/08/05 23:19 linux-4.19.y b3060a1a 6affd8e8 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/08/05 21:47 linux-4.19.y b3060a1a 6affd8e8 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/08/05 10:50 linux-4.19.y b3060a1a 6affd8e8 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/08/02 14:09 linux-4.19.y 9a9de33a 835dffe7 .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/07/29 12:28 linux-4.19.y 64f46940 c85e1c5b .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org
ci2-linux-4-19 2019/07/29 09:04 linux-4.19.y 64f46940 c85e1c5b .config log report johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org