syzbot


KASAN: use-after-free Read in l2tp_session_queue_purge
Status: public: reported C repro on 2019/04/12 00:00
Reported-by: syzbot+351ddffddad72cfb8aa6@syzkaller.appspotmail.com
First crash: 668d, last: 442d
similar bugs (2):
Kernel Title Repro Bisected Count Last Reported Patched Status
android-49 KASAN: use-after-free Read in l2tp_session_queue_purge C 12204 442d 217d 0/3 public: reported C repro on 2019/04/12 00:00
linux-4.14 KASAN: use-after-free Read in l2tp_session_queue_purge syz 3 12d 24d 0/1 upstream: reported syz repro on 2019/10/22 15:22

Sample crash report:

Crashes (3245):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro
ci-android-44-kasan-gce 2018/08/27 01:18 android-4.4 e5c5f1fa 758cd203 .config log report syz C
ci-android-44-kasan-gce 2018/08/15 16:15 android-4.4 a5fc6659 9ccc1d45 .config log report syz C
ci-android-44-kasan-gce 2018/08/12 00:15 android-4.4 a5fc6659 7a88b141 .config log report syz C
ci-android-44-kasan-gce 2018/08/07 08:30 android-4.4 13962260 1beb8136 .config log report syz C
ci-android-44-kasan-gce 2018/08/06 20:07 android-4.4 13962260 1beb8136 .config log report syz C
ci-android-44-kasan-gce 2018/08/03 13:52 android-4.4 2241aa98 cc4f6d0a .config log report syz C
ci-android-44-kasan-gce 2018/08/03 13:39 android-4.4 2241aa98 cc4f6d0a .config log report syz C
ci-android-44-kasan-gce 2018/07/31 14:05 android-4.4 8ddb600e 1a381291 .config log report syz C
ci-android-44-kasan-gce 2018/07/30 12:56 android-4.4 9664bdef 1a381291 .config log report syz C
ci-android-44-kasan-gce 2018/07/20 23:30 android-4.4 1b37d68f af255b09 .config log report syz C
ci-android-44-kasan-gce 2018/07/18 04:44 android-4.4 b1bad9e2 6d5bd5b5 .config log report syz C
ci-android-44-kasan-gce 2018/07/16 21:47 android-4.4 ed9bdc8a 40cb0c9a .config log report syz C
ci-android-44-kasan-gce 2018/07/16 18:54 android-4.4 ed9bdc8a 40cb0c9a .config log report syz C
ci-android-44-kasan-gce 2018/07/15 05:50 android-4.4 ed9bdc8a 92a49505 .config log report syz C
ci-android-44-kasan-gce 2018/07/13 20:31 android-4.4 ed9bdc8a 92a49505 .config log report syz C
ci-android-44-kasan-gce 2018/07/13 03:36 android-4.4 789274d6 06c33b3a .config log report syz C
ci-android-44-kasan-gce 2018/07/12 13:13 android-4.4 789274d6 06c33b3a .config log report syz C
ci-android-44-kasan-gce 2018/07/12 08:22 android-4.4 789274d6 2e0e3130 .config log report syz C
ci-android-44-kasan-gce 2018/07/09 02:51 android-4.4 7ba55570 f25e5770 .config log report syz C
ci-android-44-kasan-gce 2018/07/05 23:58 android-4.4 7ba55570 d3b2a0e2 .config log report syz C
ci-android-44-kasan-gce 2018/07/05 00:52 android-4.4 7ba55570 e1b966c6 .config log report syz C
ci-android-44-kasan-gce 2018/07/03 16:02 android-4.4 cf21a9ac 317fc8ea .config log report syz C
ci-android-44-kasan-gce 2018/07/01 10:31 android-4.4 cf21a9ac dba0b50e .config log report syz C
ci-android-44-kasan-gce 2018/06/28 07:34 android-4.4 cf21a9ac 43e60f7e .config log report syz C
ci-android-44-kasan-gce 2018/06/27 22:33 android-4.4 cf21a9ac 43e60f7e .config log report syz C
ci-android-44-kasan-gce 2018/06/25 17:36 android-4.4 226f96b0 2064fc5c .config log report syz C
ci-android-44-kasan-gce 2018/06/24 21:29 android-4.4 226f96b0 2064fc5c .config log report syz C
ci-android-44-kasan-gce 2018/06/21 00:40 android-4.4 226f96b0 095ef806 .config log report syz C
ci-android-44-kasan-gce 2018/06/20 20:24 android-4.4 226f96b0 095ef806 .config log report syz C
ci-android-44-kasan-gce 2018/06/18 13:33 android-4.4 07c01385 27c5f59f .config log report syz C
ci-android-44-kasan-gce 2018/06/17 10:06 android-4.4 07c01385 27c5f59f .config log report syz C
ci-android-44-kasan-gce 2018/06/10 22:17 android-4.4 fb7e3196 866118af .config log report syz C
ci-android-44-kasan-gce 2018/06/02 06:56 android-4.4 e75204cc 2f93b54f .config log report syz C
ci-android-44-kasan-gce 2018/05/31 02:04 android-4.4 cb3afe1f 2f93b54f .config log report syz C
ci-android-44-kasan-gce 2018/05/26 23:40 android-4.4 3f51ea2d f48c20b8 .config log report syz C
ci-android-44-kasan-gce 2018/05/26 21:44 android-4.4 3f51ea2d f48c20b8 .config log report syz C
ci-android-44-kasan-gce 2018/05/19 00:18 android-4.4 4f75c34f 849705db .config log report syz C
ci-android-44-kasan-gce 2018/05/18 02:55 android-4.4 46155cc7 738d58ad .config log report syz C
ci-android-44-kasan-gce 2018/05/14 11:13 android-4.4 aa3863d2 2407e740 .config log report syz C
ci-android-44-kasan-gce 2018/05/10 22:05 android-4.4 3702e76f 12c7428a .config log report syz C
ci-android-44-kasan-gce 2018/05/09 20:38 android-4.4 033c952f 12c7428a .config log report syz C
ci-android-44-kasan-gce 2018/05/08 08:00 android-4.4 fcce5711 045bbd4a .config log report syz C
ci-android-44-kasan-gce 2018/04/09 05:58 android-4.4 38f41ec1 77bd5117 .config log report syz C
ci-android-44-kasan-gce 2018/04/06 04:26 android-4.4 38f41ec1 a932eae6 .config log report syz C
ci-android-44-kasan-gce 2018/04/06 03:47 android-4.4 38f41ec1 a932eae6 .config log report syz C
ci-android-44-kasan-gce 2018/04/03 14:36 android-4.4 38f41ec1 676bd07e .config log report syz C
ci-android-44-kasan-gce 2018/04/02 16:22 android-4.4 38f41ec1 dc889257 .config log report syz C
ci-android-44-kasan-gce 2018/02/15 11:23 android-4.4 5e56f242 77ed06bf .config log report syz C
ci-android-44-kasan-gce 2018/01/24 01:17 android-4.4 ef588ef5 a5b7566c .config log report syz C
ci-android-44-kasan-gce 2018/01/23 14:14 android-4.4 3fc4284d a5b7566c .config log report syz C
ci-android-44-kasan-gce 2018/01/21 23:11 android-4.4 3fc4284d fbbdcd92 .config log report syz C
ci-android-44-kasan-gce 2018/01/20 22:57 android-4.4 3fc4284d fbbdcd92 .config log report syz C
ci-android-44-kasan-gce 2018/01/19 19:28 android-4.4 52c02cf1 161c1d64 .config log report syz C
ci-android-44-kasan-gce 2018/01/15 22:06 android-4.4 c2f631bf e17f4a5d .config log report syz C
ci-android-44-kasan-gce-386 2018/08/27 00:41 android-4.4 e5c5f1fa 758cd203 .config log report syz C
ci-android-44-kasan-gce-386 2018/08/15 16:15 android-4.4 a5fc6659 9ccc1d45 .config log report syz C
ci-android-44-kasan-gce-386 2018/08/12 00:15 android-4.4 a5fc6659 7a88b141 .config log report syz C
ci-android-44-kasan-gce-386 2018/01/24 15:36 android-4.4 ef588ef5 a5b7566c .config log report syz C
ci-android-44-kasan-gce-386 2018/01/24 06:11 android-4.4 ef588ef5 a5b7566c .config log report syz C
ci-android-44-kasan-gce-386 2018/01/22 10:56 android-4.4 3fc4284d fbbdcd92 .config log report syz C
ci-android-44-kasan-gce-386 2018/01/21 02:19 android-4.4 3fc4284d fbbdcd92 .config log report syz C
ci-android-44-kasan-gce 2018/08/08 16:41 android-4.4 13962260 ddeb9f8d .config log report syz
ci-android-44-kasan-gce 2018/07/20 12:54 android-4.4 1b37d68f 49f35839 .config log report syz
ci-android-44-kasan-gce 2018/07/12 13:33 android-4.4 789274d6 06c33b3a .config log report syz
ci-android-44-kasan-gce-386 2018/08/20 10:54 android-4.4 5541782c 2dc4378f .config log report syz
ci-android-44-kasan-gce-386 2018/08/12 20:03 android-4.4 a5fc6659 7a88b141 .config log report syz
ci-android-44-kasan-gce-386 2018/08/08 16:34 android-4.4 13962260 ddeb9f8d .config log report syz
ci-android-44-kasan-gce-386 2018/08/07 08:08 android-4.4 13962260 1beb8136 .config log report syz
ci-android-44-kasan-gce-386 2018/08/03 13:11 android-4.4 2241aa98 cc4f6d0a .config log report syz
ci-android-44-kasan-gce-386 2018/07/31 11:05 android-4.4 8ddb600e 1a381291 .config log report syz
ci-android-44-kasan-gce-386 2018/07/30 13:21 android-4.4 9664bdef 1a381291 .config log report syz
ci-android-44-kasan-gce-386 2018/07/23 23:57 android-4.4 1b37d68f 912c93d7 .config log report syz
ci-android-44-kasan-gce-386 2018/07/20 23:11 android-4.4 1b37d68f af255b09 .config log report syz
ci-android-44-kasan-gce-386 2018/07/18 05:00 android-4.4 b1bad9e2 6d5bd5b5 .config log report syz
ci-android-44-kasan-gce-386 2018/07/16 10:50 android-4.4 ed9bdc8a 92a49505 .config log report syz
ci-android-44-kasan-gce-386 2018/07/13 04:23 android-4.4 789274d6 06c33b3a .config log report syz
ci-android-44-kasan-gce-386 2018/07/12 09:05 android-4.4 789274d6 2e0e3130 .config log report syz
ci-android-44-kasan-gce-386 2018/07/05 00:22 android-4.4 7ba55570 e1b966c6 .config log report syz
ci-android-44-kasan-gce-386 2018/07/01 11:56 android-4.4 cf21a9ac dba0b50e .config log report syz
ci-android-44-kasan-gce-386 2018/06/28 08:02 android-4.4 cf21a9ac 43e60f7e .config log report syz
ci-android-44-kasan-gce-386 2018/06/25 18:00 android-4.4 226f96b0 2064fc5c .config log report syz
ci-android-44-kasan-gce-386 2018/06/24 20:39 android-4.4 226f96b0 2064fc5c .config log report syz
ci-android-44-kasan-gce-386 2018/06/21 00:53 android-4.4 226f96b0 095ef806 .config log report syz
ci-android-44-kasan-gce-386 2018/06/20 20:24 android-4.4 226f96b0 095ef806 .config log report syz
ci-android-44-kasan-gce-386 2018/06/18 13:32 android-4.4 07c01385 27c5f59f .config log report syz
ci-android-44-kasan-gce-386 2018/06/10 21:58 android-4.4 fb7e3196 866118af .config log report syz
ci-android-44-kasan-gce-386 2018/06/02 06:55 android-4.4 e75204cc 2f93b54f .config log report syz
ci-android-44-kasan-gce-386 2018/05/31 01:14 android-4.4 cb3afe1f 2f93b54f .config log report syz
ci-android-44-kasan-gce-386 2018/05/26 23:37 android-4.4 3f51ea2d f48c20b8 .config log report syz
ci-android-44-kasan-gce-386 2018/05/26 21:44 android-4.4 3f51ea2d f48c20b8 .config log report syz
ci-android-44-kasan-gce-386 2018/05/18 02:54 android-4.4 46155cc7 738d58ad .config log report syz
ci-android-44-kasan-gce-386 2018/05/10 22:25 android-4.4 3702e76f 12c7428a .config log report syz
ci-android-44-kasan-gce-386 2018/05/09 20:38 android-4.4 033c952f 12c7428a .config log report syz
ci-android-44-kasan-gce-386 2018/04/27 00:07 android-4.4 bd23e3af 73417389 .config log report syz
ci-android-44-kasan-gce-386 2018/04/09 06:12 android-4.4 38f41ec1 77bd5117 .config log report syz
ci-android-44-kasan-gce-386 2018/04/06 04:24 android-4.4 38f41ec1 a932eae6 .config log report syz
ci-android-44-kasan-gce-386 2018/04/02 16:35 android-4.4 38f41ec1 dc889257 .config log report syz
ci-android-44-kasan-gce 2018/08/29 21:35 android-4.4 5e24b4e4 4937cb2b .config log report
ci-android-44-kasan-gce 2018/08/29 10:40 android-4.4 5e24b4e4 53ff8784 .config log report
ci-android-44-kasan-gce 2018/08/29 02:44 android-4.4 5e24b4e4 b771b17e .config log report
ci-android-44-kasan-gce 2018/08/29 01:15 android-4.4 5e24b4e4 b771b17e .config log report
ci-android-44-kasan-gce 2018/08/28 21:17 android-4.4 5e24b4e4 b771b17e .config log report
ci-android-44-kasan-gce 2018/08/28 18:09 android-4.4 5e24b4e4 b771b17e .config log report
ci-android-44-kasan-gce 2018/08/28 15:47 android-4.4 5e24b4e4 7ef1de9e .config log report
ci-android-44-kasan-gce 2018/08/28 12:11 android-4.4 5e24b4e4 7ef1de9e .config log report
ci-android-44-kasan-gce 2018/08/28 08:47 android-4.4 5e24b4e4 7ef1de9e .config log report
ci-android-44-kasan-gce 2018/08/28 06:15 android-4.4 e5c5f1fa 7ef1de9e .config log report
ci-android-44-kasan-gce 2018/08/28 00:44 android-4.4 e5c5f1fa 7ef1de9e .config log report
ci-android-44-kasan-gce 2018/08/27 23:10 android-4.4 e5c5f1fa 7ef1de9e .config log report
ci-android-44-kasan-gce 2018/08/27 19:38 android-4.4 e5c5f1fa 758cd203 .config log report
ci-android-44-kasan-gce 2018/08/27 15:29 android-4.4 e5c5f1fa 758cd203 .config log report
ci-android-44-kasan-gce 2018/08/27 13:53 android-4.4 e5c5f1fa 758cd203 .config log report
ci-android-44-kasan-gce 2018/08/27 05:04 android-4.4 e5c5f1fa 758cd203 .config log report
ci-android-44-kasan-gce 2018/08/27 02:37 android-4.4 e5c5f1fa 758cd203 .config log report
ci-android-44-kasan-gce 2018/08/26 13:01 android-4.4 e5c5f1fa 758cd203 .config log report
ci-android-44-kasan-gce 2018/08/26 11:54 android-4.4 e5c5f1fa 758cd203 .config log report
ci-android-44-kasan-gce 2018/08/26 04:11 android-4.4 e5c5f1fa 76e7c3df .config log report
ci-android-44-kasan-gce 2018/08/26 03:06 android-4.4 e5c5f1fa 76e7c3df .config log report
ci-android-44-kasan-gce 2018/08/26 01:32 android-4.4 e5c5f1fa 76e7c3df .config log report
ci-android-44-kasan-gce 2018/08/25 23:58 android-4.4 e5c5f1fa 76e7c3df .config log report
ci-android-44-kasan-gce 2018/08/25 18:01 android-4.4 e5c5f1fa 9be5aa1d .config log report
ci-android-44-kasan-gce 2018/08/25 13:55 android-4.4 e5c5f1fa 9be5aa1d .config log report
ci-android-44-kasan-gce 2018/08/25 05:05 android-4.4 e15716b4 9b0f5c75 .config log report
ci-android-44-kasan-gce 2018/08/25 03:15 android-4.4 e15716b4 9b0f5c75 .config log report
ci-android-44-kasan-gce 2018/08/25 00:22 android-4.4 e15716b4 9b0f5c75 .config log report
ci-android-44-kasan-gce 2018/08/24 22:38 android-4.4 e15716b4 9b0f5c75 .config log report
ci-android-44-kasan-gce 2018/08/24 19:03 android-4.4 e15716b4 9b0f5c75 .config log report
ci-android-44-kasan-gce 2018/08/24 16:31 android-4.4 727cface 95b5c82b .config log report
ci-android-44-kasan-gce 2018/08/24 14:50 android-4.4 727cface 95b5c82b .config log report
ci-android-44-kasan-gce 2018/08/24 12:10 android-4.4 727cface 95b5c82b .config log report
ci-android-44-kasan-gce 2018/08/24 11:01 android-4.4 727cface 95b5c82b .config log report
ci-android-44-kasan-gce 2018/08/24 09:32 android-4.4 727cface 95b5c82b .config log report
ci-android-44-kasan-gce-386 2018/08/29 08:21 android-4.4 5e24b4e4 53ff8784 .config log report
ci-android-44-kasan-gce-386 2018/08/27 07:03 android-4.4 e5c5f1fa 758cd203 .config log report
ci-android-44-kasan-gce-386 2018/08/26 22:48 android-4.4 e5c5f1fa 758cd203 .config log report
ci-android-44-kasan-gce-386 2018/08/25 13:58 android-4.4 e5c5f1fa 9be5aa1d .config log report
ci-android-44-kasan-gce-386 2018/08/24 21:08 android-4.4 e15716b4 9b0f5c75 .config log report
ci-android-44-kasan-gce-386 2018/08/24 13:13 android-4.4 727cface 95b5c82b .config log report