syzbot


KASAN: use-after-free Read in disk_unblock_events
Status: upstream: reported C repro on 2019/04/19 06:17
Reported-by: syzbot+dbb73c8690788e10d32e@syzkaller.appspotmail.com
First crash: 1009d, last: 24d
similar bugs (5):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-44 KASAN: use-after-free Read in disk_unblock_events C 367 780d 1017d 0/2 public: reported C repro on 2019/04/12 00:00
android-49 KASAN: use-after-free Read in disk_unblock_events C 665 1113d 1553d 0/3 closed as invalid on 2019/01/08 21:30
android-49 KASAN: use-after-free Read in disk_unblock_events (2) C 200 783d 1017d 0/3 public: reported C repro on 2019/04/11 08:44
upstream KASAN: use-after-free Read in disk_unblock_events C 65 1439d 1545d 6/22 fixed on 2018/04/09 09:36
android-414 KASAN: use-after-free Read in disk_unblock_events C 114 785d 1018d 0/1 public: reported C repro on 2019/04/11 00:00

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2021/12/28 10:26 linux-4.14.y 8ee0807eedf3 a57db36f .config log report syz C
ci2-linux-4-14 2021/11/28 09:59 linux-4.14.y 66722c42ec91 a57db36f .config log report syz C
ci2-linux-4-14 2021/10/29 09:31 linux-4.14.y cd5296934610 a57db36f .config log report syz C
ci2-linux-4-14 2021/09/25 23:15 linux-4.14.y 8ea4f73cfa7e a57db36f .config log report syz C
ci2-linux-4-14 2021/08/26 22:48 linux-4.14.y 35c4ba160ab6 a57db36f .config log report syz C
ci2-linux-4-14 2021/07/27 22:26 linux-4.14.y 964f3712e6a7 a57db36f .config log report syz C
ci2-linux-4-14 2021/06/27 21:58 linux-4.14.y cfb41ef9deb1 a57db36f .config log report syz C
ci2-linux-4-14 2021/05/28 21:33 linux-4.14.y ad8397a84e1e a57db36f .config log report syz C
ci2-linux-4-14 2021/03/29 19:13 linux-4.14.y 670d6552eda8 a57db36f .config log report syz C
ci2-linux-4-14 2020/10/19 00:42 linux-4.14.y 5b7a52cd2eef 084454ae .config log report syz C
ci2-linux-4-14 2020/04/29 08:29 linux-4.14.y 050272a0423e 084454ae .config log report syz C
Crashes (126):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2021/01/28 02:59 linux-4.14.y 2d2791fce891 a57db36f .config log report syz C KASAN: use-after-free Read in disk_unblock_events
ci2-linux-4-14 2020/12/30 00:59 linux-4.14.y 1752938529c6 80910769 .config log report syz C
ci2-linux-4-14 2020/02/11 12:52 linux-4.14.y e0f8b8a65a47 084454ae .config log report syz C
ci2-linux-4-14 2020/01/11 18:45 linux-4.14.y b0cdffaa546e 4c04afaa .config log report syz C
ci2-linux-4-14 2019/11/08 19:18 linux-4.14.y c9fda4f22428 1e35461e .config log report syz C
ci2-linux-4-14 2019/11/03 03:32 linux-4.14.y ddef1e8e3f6e d603afc9 .config log report syz C
ci2-linux-4-14 2019/10/28 17:54 linux-4.14.y b98aebd29824 439d7b14 .config log report syz C
ci2-linux-4-14 2019/08/25 02:32 linux-4.14.y 45f092f9e9cb d21c5d9d .config log report syz C
ci2-linux-4-14 2019/08/01 15:59 linux-4.14.y 10d6aa565d05 835dffe7 .config log report syz C
ci2-linux-4-14 2019/07/31 19:54 linux-4.14.y 10d6aa565d05 995b2a26 .config log report syz C
ci2-linux-4-14 2019/07/25 10:43 linux-4.14.y ff33472c282e 32329ceb .config log report syz C
ci2-linux-4-14 2019/06/20 04:34 linux-4.14.y bb263a2a2d43 34bf9440 .config log report syz C
ci2-linux-4-14 2019/05/02 10:44 linux-4.14.y 1c046f373132 1852eb18 .config log report syz C
ci2-linux-4-14 2019/04/21 22:30 linux-4.14.y 68d7a45eec10 b0e8efcb .config log report syz C
ci2-linux-4-14 2019/04/19 05:16 linux-4.14.y 58b454ebf81e b0e8efcb .config log report syz C
ci2-linux-4-14 2020/01/22 07:01 linux-4.14.y c1141b3aab36 8eda0b95 .config log report syz
ci2-linux-4-14 2019/11/20 17:21 linux-4.14.y 775d01b65b5d 432c7650 .config log report syz
ci2-linux-4-14 2019/07/17 10:51 linux-4.14.y aea8526edf59 0d10349c .config log report syz
ci2-linux-4-14 2021/12/29 21:43 linux-4.14.y a6ca7c65b137 6cc879d4 .config log report info KASAN: use-after-free Read in disk_unblock_events
ci2-linux-4-14 2021/04/28 21:06 linux-4.14.y 7d7d1c0ab3eb 77e2b668 .config log report info KASAN: use-after-free Read in disk_unblock_events
ci2-linux-4-14 2021/04/10 06:11 linux-4.14.y 0cc244011f40 6a81331a .config log report info KASAN: use-after-free Read in disk_unblock_events
ci2-linux-4-14 2021/02/27 18:23 linux-4.14.y 3242aa3a635c 4c37c133 .config log report info KASAN: use-after-free Read in disk_unblock_events
ci2-linux-4-14 2021/02/25 15:30 linux-4.14.y 3242aa3a635c 76f7fc95 .config log report info KASAN: use-after-free Read in disk_unblock_events
ci2-linux-4-14 2021/02/21 02:52 linux-4.14.y 29c52025152b 3e5ed8b4 .config log report info KASAN: use-after-free Read in disk_unblock_events
ci2-linux-4-14 2021/02/20 10:39 linux-4.14.y 29c52025152b 3e5ed8b4 .config log report info KASAN: use-after-free Read in disk_unblock_events
ci2-linux-4-14 2021/02/18 10:35 linux-4.14.y 2c8a3fceddf0 14052202 .config log report info KASAN: use-after-free Read in disk_unblock_events
ci2-linux-4-14 2021/02/11 03:05 linux-4.14.y 2c8a3fceddf0 a52ee10a .config log report info KASAN: use-after-free Read in disk_unblock_events
ci2-linux-4-14 2021/02/10 06:55 linux-4.14.y 2c8a3fceddf0 2bd9619f .config log report info KASAN: use-after-free Read in disk_unblock_events
ci2-linux-4-14 2021/01/29 00:32 linux-4.14.y 2d2791fce891 7df34f59 .config log report info KASAN: use-after-free Read in disk_unblock_events
ci2-linux-4-14 2021/01/14 14:05 linux-4.14.y f79dc86058bc 269d24e8 .config log report info
ci2-linux-4-14 2020/12/26 06:34 linux-4.14.y 3f2ecb86cb90 821e0b09 .config log report info
ci2-linux-4-14 2020/12/19 20:35 linux-4.14.y 3f2ecb86cb90 04201c06 .config log report info
ci2-linux-4-14 2020/12/14 19:33 linux-4.14.y 3f2ecb86cb90 97183ed7 .config log report info
ci2-linux-4-14 2020/12/07 04:14 linux-4.14.y c196b3a9c83a c521566d .config log report info
ci2-linux-4-14 2020/11/20 09:07 linux-4.14.y 8961076ed318 0767f13f .config log report info
ci2-linux-4-14 2020/11/17 12:54 linux-4.14.y 27ce4f2a6817 bd2a760b .config log report info
ci2-linux-4-14 2020/11/11 11:06 linux-4.14.y 27ce4f2a6817 cca87986 .config log report info
ci2-linux-4-14 2020/11/10 02:59 linux-4.14.y 6b6446efedb2 cba33199 .config log report info
ci2-linux-4-14 2020/10/24 17:06 linux-4.14.y 5b7a52cd2eef a1839e81 .config log report info
ci2-linux-4-14 2020/09/19 00:16 linux-4.14.y cbfa1702aaf6 53ce8104 .config log report info
ci2-linux-4-14 2020/09/17 11:53 linux-4.14.y cbfa1702aaf6 8247808b .config log report info
ci2-linux-4-14 2020/09/08 22:47 linux-4.14.y 2f166cdcf8a9 abf9ba4f .config log report
ci2-linux-4-14 2020/08/26 12:26 linux-4.14.y d7e78d08fa77 318430cb .config log report
ci2-linux-4-14 2020/08/13 15:29 linux-4.14.y 14b58326976d ee7cb8b6 .config log report
ci2-linux-4-14 2020/07/18 00:48 linux-4.14.y b850307b279c 9c812472 .config log report
ci2-linux-4-14 2020/07/17 10:31 linux-4.14.y b850307b279c 54b3c45e .config log report
ci2-linux-4-14 2020/06/29 10:47 linux-4.14.y b850307b279c 3ff434cc .config log report
ci2-linux-4-14 2020/06/24 21:42 linux-4.14.y b850307b279c 9d60b18e .config log report
ci2-linux-4-14 2020/06/19 08:19 linux-4.14.y b850307b279c bc258b50 .config log report
ci2-linux-4-14 2020/06/17 07:05 linux-4.14.y b850307b279c b9f3810b .config log report
ci2-linux-4-14 2020/06/16 10:29 linux-4.14.y b850307b279c baca2611 .config log report
ci2-linux-4-14 2020/06/13 22:52 linux-4.14.y b850307b279c dbce178a .config log report
ci2-linux-4-14 2020/06/09 13:27 linux-4.14.y c6db52a88798 092934c1 .config log report
ci2-linux-4-14 2020/06/01 09:20 linux-4.14.y 4f68020fef1c a0331e89 .config log report
ci2-linux-4-14 2020/05/31 20:58 linux-4.14.y 4f68020fef1c a0331e89 .config log report
ci2-linux-4-14 2020/05/29 17:12 linux-4.14.y 4f68020fef1c bed08304 .config log report
ci2-linux-4-14 2020/05/16 08:20 linux-4.14.y ab9dfda23248 37bccd4e .config log report
ci2-linux-4-14 2020/05/15 11:06 linux-4.14.y ab9dfda23248 2d572622 .config log report
ci2-linux-4-14 2020/05/10 13:13 linux-4.14.y ab9dfda23248 8742a2b9 .config log report
ci2-linux-4-14 2020/03/30 08:03 linux-4.14.y 01364dad1d45 05736b29 .config log report
ci2-linux-4-14 2020/03/26 20:05 linux-4.14.y 01364dad1d45 6d25c5a0 .config log report
ci2-linux-4-14 2020/03/24 09:23 linux-4.14.y 01364dad1d45 33e14df3 .config log report
ci2-linux-4-14 2020/03/20 19:55 linux-4.14.y 01364dad1d45 2c31c529 .config log report
ci2-linux-4-14 2020/03/12 14:35 linux-4.14.y 12cd844a39ed d850e9d0 .config log report
ci2-linux-4-14 2020/03/03 08:47 linux-4.14.y 78d697fc93f9 350a7a26 .config log report
ci2-linux-4-14 2020/02/28 19:16 linux-4.14.y 78d697fc93f9 c88c7b75 .config log report