syzbot


possible deadlock in shmem_fallocate (2)
Status: fixed on 2019/03/28 12:00
Reported-by: syzbot+4b8b031b89e6b96c4b2e@syzkaller.appspotmail.com
Fix commit: fb4415a12632 staging: android: ashmem: Don't call fallocate() with ashmem_mutex held.
First crash: 1256d, last: 1048d
similar bugs (7):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 possible deadlock in shmem_fallocate (2) 2 610d 678d 0/1 auto-closed as invalid on 2020/09/14 02:25
upstream possible deadlock in shmem_fallocate 8087 1552d 1596d 0/22 closed as invalid on 2017/11/05 09:38
linux-4.19 possible deadlock in shmem_fallocate 1 900d 900d 0/1 auto-closed as invalid on 2019/11/29 05:22
android-49 possible deadlock in shmem_fallocate C 2441 775d 1012d 0/3 public: reported C repro on 2019/04/11 08:44
android-414 possible deadlock in shmem_fallocate C 7876 775d 1012d 0/1 public: reported C repro on 2019/04/11 00:00
upstream possible deadlock in shmem_fallocate (3) 1 864d 860d 0/22 auto-closed as invalid on 2019/11/05 02:34
upstream possible deadlock in shmem_fallocate (4) C done 81 538d 753d 17/22 fixed on 2020/09/16 22:51

Sample crash report:

Crashes (1325):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2018/11/17 15:48 upstream 1ce80e0fe98e b08ee62a .config log report syz C
ci-upstream-kasan-gce-selinux-root 2018/09/07 22:03 upstream a49a9dcce802 69cfeb80 .config log report syz C
ci-upstream-kasan-gce-root 2018/09/07 20:49 upstream a49a9dcce802 69cfeb80 .config log report syz C
ci-upstream-kasan-gce-smack-root 2018/09/07 19:43 upstream a49a9dcce802 69cfeb80 .config log report syz C
ci-upstream-kasan-gce-root 2018/08/31 08:48 upstream 217c3e019675 a4718693 .config log report syz C
ci-upstream-kasan-gce-root 2018/08/20 17:16 upstream 2ad0d5269970 2dc4378f .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2018/12/26 19:05 linux-next 6a1d293238c1 8a41a0ad .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2018/09/08 07:05 linux-next f2b6e66e9885 6b5120a4 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2018/08/31 11:50 linux-next a880148cb2af a4718693 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2018/08/24 02:24 linux-next 455fb5ec1df1 95b5c82b .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2018/08/18 05:43 linux-next d7857ae43dcc db1858f6 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2018/08/14 12:44 linux-next 4e8b38549b50 7a88b141 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2018/08/12 19:59 linux-next 4110b42356f3 7a88b141 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2018/08/10 11:41 linux-next 4110b42356f3 1fb62d58 .config log report syz C
ci-upstream-kasan-gce-smack-root 2018/11/08 16:57 upstream 85758777c2a2 e85d2a61 .config log report syz
ci-upstream-kasan-gce-root 2018/11/08 06:43 upstream e09d51adfbb1 e85d2a61 .config log report syz
ci-upstream-kasan-gce-selinux-root 2018/11/08 04:38 upstream e09d51adfbb1 e85d2a61 .config log report syz
ci-upstream-linux-next-kasan-gce-root 2018/11/05 18:02 linux-next 55e5059cb572 8bd6bd63 .config log report syz
ci-upstream-kasan-gce-selinux-root 2019/03/06 22:43 upstream afe6fe7036c6 18215b8d .config log report
ci-upstream-kasan-gce-root 2019/03/06 19:01 upstream 3717f613f48d 05cf83bf .config log report
ci-upstream-kasan-gce-root 2019/03/05 19:57 upstream 63bdf4284c38 16559f86 .config log report
ci-upstream-kasan-gce-root 2019/03/05 12:46 upstream cd2a3bf02625 bb91cf81 .config log report
ci-upstream-kasan-gce-selinux-root 2019/03/04 07:17 upstream 1c163f4c7b3f 7c693b52 .config log report
ci-upstream-kasan-gce-smack-root 2019/03/04 01:31 upstream 1c163f4c7b3f 1c0e457a .config log report
ci-upstream-kasan-gce-selinux-root 2019/03/02 20:32 upstream c93d9218ea56 1c0e457a .config log report
ci-upstream-kasan-gce-selinux-root 2019/03/02 02:30 upstream a215ce8f0e00 68d9e495 .config log report
ci-upstream-kasan-gce-selinux-root 2019/03/01 04:54 upstream 7d762d69145a 09aeeba4 .config log report
ci-upstream-kasan-gce-selinux-root 2019/02/27 23:04 upstream 7d762d69145a 34ec456b .config log report
ci-upstream-kasan-gce-smack-root 2019/02/27 11:39 upstream 7d762d69145a 083cfd0e .config log report
ci-upstream-kasan-gce-selinux-root 2019/02/27 04:00 upstream 7d762d69145a f2468c12 .config log report
ci-upstream-kasan-gce-selinux-root 2019/02/26 23:33 upstream 7d762d69145a f2468c12 .config log report
ci-upstream-kasan-gce-root 2019/02/26 22:30 upstream 7d762d69145a f2468c12 .config log report
ci-upstream-kasan-gce-root 2019/02/26 13:37 upstream 7d762d69145a a36ecd98 .config log report
ci-upstream-kasan-gce-selinux-root 2019/02/26 03:57 upstream 7d762d69145a 8022bafd .config log report
ci-upstream-kasan-gce-smack-root 2019/02/25 23:54 upstream 7d762d69145a 8022bafd .config log report
ci-upstream-kasan-gce-root 2019/02/25 10:33 upstream 5908e6b738e3 a70141bf .config log report
ci-upstream-kasan-gce-selinux-root 2019/02/25 08:14 upstream 5908e6b738e3 7a06e792 .config log report
ci-upstream-kasan-gce-selinux-root 2019/02/24 20:33 upstream c3619a482e15 7a06e792 .config log report
ci-upstream-kasan-gce-smack-root 2019/02/24 07:33 upstream e60b5f79bd75 7a06e792 .config log report
ci-upstream-kasan-gce-smack-root 2019/02/24 05:31 upstream e60b5f79bd75 7a06e792 .config log report
ci-upstream-kasan-gce-smack-root 2019/02/22 13:27 upstream 8a61716ff2ab 6a5fcca4 .config log report
ci-upstream-kasan-gce-smack-root 2019/02/22 12:19 upstream 8a61716ff2ab 6a5fcca4 .config log report
ci-upstream-kasan-gce-root 2019/02/21 08:20 upstream f6163d67cc31 c95f0707 .config log report
ci-upstream-kasan-gce-root 2019/02/20 21:06 upstream 2137397c92ae c95f0707 .config log report
ci-upstream-kasan-gce-smack-root 2019/02/20 09:44 upstream 40e196a906d9 c95f0707 .config log report
ci-upstream-kasan-gce-root 2019/02/19 19:01 upstream b5372fe5dc84 4df543c9 .config log report
ci-upstream-kasan-gce-selinux-root 2019/02/19 09:34 upstream b5372fe5dc84 59f36113 .config log report
ci-upstream-kasan-gce-smack-root 2019/02/18 14:43 upstream 2fee036af043 59f36113 .config log report
ci-upstream-kasan-gce-root 2019/02/18 10:44 upstream 2fee036af043 59f36113 .config log report
ci-upstream-kasan-gce-root 2019/02/17 04:01 upstream 64c0133eb88a f42dee6d .config log report
ci-upstream-kasan-gce-smack-root 2019/02/15 23:56 upstream 5ded5871030e f42dee6d .config log report
ci-upstream-kasan-gce-root 2019/02/15 20:12 upstream cb5b020a8d38 f6f233c0 .config log report
ci-upstream-kasan-gce-386 2019/01/21 20:05 upstream 49a57857aeea badbbeee .config log report
ci-upstream-linux-next-kasan-gce-root 2019/02/18 03:18 linux-next 7a92eb7cc1dc 59f36113 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/02/17 12:21 linux-next 7a92eb7cc1dc f42dee6d .config log report
ci-upstream-linux-next-kasan-gce-root 2019/02/17 10:55 linux-next 7a92eb7cc1dc f42dee6d .config log report
ci-upstream-linux-next-kasan-gce-root 2019/02/17 02:38 linux-next 7a92eb7cc1dc f42dee6d .config log report
ci-upstream-linux-next-kasan-gce-root 2019/02/17 01:45 linux-next 7a92eb7cc1dc f42dee6d .config log report
ci-upstream-linux-next-kasan-gce-root 2019/02/17 00:41 linux-next 7a92eb7cc1dc f42dee6d .config log report
ci-upstream-linux-next-kasan-gce-root 2019/02/16 18:17 linux-next 7a92eb7cc1dc f42dee6d .config log report
ci-upstream-linux-next-kasan-gce-root 2019/02/16 16:51 linux-next 7a92eb7cc1dc f42dee6d .config log report
ci-upstream-linux-next-kasan-gce-root 2019/02/16 15:28 linux-next 7a92eb7cc1dc f42dee6d .config log report
ci-upstream-linux-next-kasan-gce-root 2019/02/16 14:09 linux-next 7a92eb7cc1dc f42dee6d .config log report
ci-upstream-linux-next-kasan-gce-root 2019/02/16 11:57 linux-next 7a92eb7cc1dc f42dee6d .config log report
ci-upstream-linux-next-kasan-gce-root 2019/02/14 11:02 linux-next b3418f8bddf4 6a46f448 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/02/14 03:35 linux-next c4f3ef3eb53f 6a46f448 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/02/13 16:00 linux-next c4f3ef3eb53f 0a49c954 .config log report
ci-upstream-linux-next-kasan-gce-root 2018/08/10 08:53 linux-next 4110b42356f3 1fb62d58 .config log report