syzbot


general protection fault in rdma_listen (2)
Status: fixed on 2020/05/10 10:41
Reported-by: syzbot+6b46b135602a3f3ac99e@syzkaller.appspotmail.com
Fix commit: 7c11910783a1 RDMA/ucma: Put a lock around every call to the rdma_cm layer
First crash: 1127d, last: 616d

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: BUG: unable to handle kernel NULL pointer dereference in rdma_listen (log)
Repro: syz .config
similar bugs (5):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 general protection fault in rdma_listen (2) 7 605d 625d 0/1 auto-closed as invalid on 2020/08/11 01:18
linux-4.19 general protection fault in rdma_listen 1 906d 906d 0/1 auto-closed as invalid on 2019/10/25 08:41
upstream general protection fault in rdma_listen C 36 1359d 1371d 0/22 closed as dup on 2018/03/22 15:25
linux-4.14 BUG: corrupted list in rdma_listen (2) syz 15 4d16h 496d 0/1 upstream: reported syz repro on 2020/07/30 18:22
linux-4.14 general protection fault in rdma_listen 7 558d 645d 0/1 auto-closed as invalid on 2020/09/26 15:09

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2020/01/27 22:04 upstream 6a1000bd2703 b08ee62a .config log report syz
ci-upstream-kasan-gce-selinux-root 2019/12/18 16:41 upstream 2187f215ebaa f5e275d1 .config log report syz
ci-upstream-kasan-gce 2019/11/04 20:00 upstream da5322e65940 f5e275d1 .config log report syz
ci-upstream-kasan-gce 2019/10/05 19:39 upstream da5322e65940 f5e275d1 .config log report syz
ci-upstream-kasan-gce 2019/08/19 06:55 upstream da5322e65940 f5e275d1 .config log report syz
Crashes (104):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2018/11/17 12:22 upstream 1ce80e0fe98e b08ee62a .config log report syz
ci-upstream-kasan-gce-selinux-root 2018/11/16 18:12 upstream da5322e65940 f5e275d1 .config log report syz
ci-upstream-kasan-gce-root 2018/11/16 18:08 upstream da5322e65940 f5e275d1 .config log report syz
ci-upstream-kasan-gce 2018/11/16 17:43 upstream da5322e65940 f5e275d1 .config log report syz
ci-upstream-kasan-gce-386 2018/11/16 18:15 upstream da5322e65940 f5e275d1 .config log report syz
ci-upstream-linux-next-kasan-gce-root 2020/03/11 05:32 linux-next 770fbb32d34e 35f53e45 .config log report syz
ci-upstream-linux-next-kasan-gce-root 2018/11/16 18:10 linux-next 442b8cea2477 f5e275d1 .config log report syz
ci-upstream-kasan-gce-root 2020/04/02 02:15 upstream 1a323ea5356e a34e2c33 .config log report
ci-upstream-kasan-gce-selinux-root 2020/03/05 06:46 upstream 63623fd44972 c88c7b75 .config log report
ci-upstream-kasan-gce-selinux-root 2020/03/01 03:06 upstream 63623fd44972 c88c7b75 .config log report
ci-upstream-kasan-gce-smack-root 2020/02/29 14:18 upstream f8788d86ab28 59b57593 .config log report
ci-upstream-kasan-gce-selinux-root 2020/02/25 06:24 upstream f8788d86ab28 59b57593 .config log report
ci-upstream-kasan-gce-selinux-root 2020/02/14 20:11 upstream b19e8c684703 5d7b90f1 .config log report
ci-upstream-kasan-gce 2019/08/26 05:13 upstream a55aa89aab90 d21c5d9d .config log report
ci-upstream-kasan-gce-root 2019/04/04 18:38 upstream 145f47c7381d 6a475fff .config log report
ci-upstream-kasan-gce 2019/03/27 19:59 upstream 14c741de9386 4e668495 .config log report
ci-upstream-kasan-gce 2019/03/15 11:43 upstream f261c4e529da bab43553 .config log report
ci-upstream-kasan-gce-smack-root 2019/03/12 20:55 upstream ea295481b6e3 a71bfb62 .config log report
ci-upstream-kasan-gce-smack-root 2019/02/28 23:15 upstream 7d762d69145a 09aeeba4 .config log report
ci-upstream-kasan-gce-selinux-root 2019/02/20 16:12 upstream 40e196a906d9 c95f0707 .config log report
ci-upstream-kasan-gce 2019/02/17 10:54 upstream 64c0133eb88a f42dee6d .config log report
ci-upstream-kasan-gce-root 2019/02/16 18:57 upstream 5ded5871030e f42dee6d .config log report
ci-upstream-kasan-gce 2019/02/16 07:43 upstream 5ded5871030e f42dee6d .config log report
ci-upstream-kasan-gce 2019/02/14 01:44 upstream 1f947a7a011f 0a49c954 .config log report
ci-upstream-kasan-gce 2019/02/13 10:09 upstream 57902dc0670c 1eedba36 .config log report
ci-upstream-kasan-gce 2019/02/13 08:41 upstream 57902dc0670c 1eedba36 .config log report
ci-upstream-kasan-gce 2019/02/11 17:21 upstream d13937116f1e 73f5f452 .config log report
ci-upstream-kasan-gce-smack-root 2019/02/10 10:41 upstream e8b50608f666 b4f792e4 .config log report
ci-upstream-kasan-gce 2019/02/06 05:39 upstream 8834f5600cf3 d672172c .config log report
ci-upstream-kasan-gce 2019/02/03 17:57 upstream 12491ed354d2 c198d5dd .config log report
ci-upstream-kasan-gce-root 2019/02/02 17:37 upstream cd984a5be215 c198d5dd .config log report
ci-upstream-kasan-gce-smack-root 2019/02/01 03:19 upstream 9f789567142c 0e8ea0a3 .config log report
ci-upstream-kasan-gce-root 2019/01/31 17:24 upstream af0c9af1b3f6 0e8ea0a3 .config log report
ci-upstream-kasan-gce-root 2019/01/29 18:26 upstream 4aa9fc2a435a aa432daf .config log report
ci-upstream-kasan-gce-smack-root 2018/11/07 04:21 upstream 8053e5b93eca 8bd6bd63 .config log report
ci-upstream-kasan-gce-386 2020/03/04 19:52 upstream 63623fd44972 c88c7b75 .config log report
ci-upstream-kasan-gce-386 2020/02/27 00:06 upstream f8788d86ab28 59b57593 .config log report
ci-upstream-kasan-gce-386 2019/09/05 19:18 upstream 3b47fd5ca9ea 040fda58 .config log report
ci-upstream-kasan-gce-386 2019/04/04 08:56 upstream 8ed86627f715 d6fc4177 .config log report
ci-upstream-kasan-gce-386 2019/04/01 15:20 upstream 79a3aaa7b82e ccf2355a .config log report
ci-upstream-kasan-gce-386 2019/03/29 03:40 upstream 8c7ae38d1ce1 14c58f8d .config log report
ci-upstream-kasan-gce-386 2019/03/26 06:31 upstream 8c2ffd917477 55684ce1 .config log report
ci-upstream-kasan-gce-386 2019/02/25 17:56 upstream 5908e6b738e3 a70141bf .config log report
ci-upstream-kasan-gce-386 2019/02/25 05:10 upstream c3619a482e15 7a06e792 .config log report
ci-upstream-kasan-gce-386 2019/02/21 18:49 upstream f6163d67cc31 3133098b .config log report
ci-upstream-kasan-gce-386 2019/02/16 17:49 upstream 5ded5871030e f42dee6d .config log report
ci-upstream-kasan-gce-386 2019/02/11 05:12 upstream df3865f8f568 b4f792e4 .config log report
ci-upstream-kasan-gce-386 2019/02/10 05:06 upstream e8b50608f666 b4f792e4 .config log report
ci-upstream-kasan-gce-386 2019/02/07 22:35 upstream b0314565da2b aa4feb03 .config log report
ci-upstream-kasan-gce-386 2019/02/05 13:00 upstream 8834f5600cf3 d672172c .config log report
ci-upstream-kasan-gce-386 2019/02/05 06:15 upstream 8834f5600cf3 d672172c .config log report
ci-upstream-kasan-gce-386 2019/02/03 07:18 upstream 12491ed354d2 c198d5dd .config log report
ci-upstream-kasan-gce-386 2019/01/29 23:42 upstream 4aa9fc2a435a aa432daf .config log report
ci-upstream-linux-next-kasan-gce-root 2020/03/16 14:57 linux-next 770fbb32d34e 749688d2 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/02/06 02:03 linux-next 1ff540338564 d672172c .config log report
ci-upstream-linux-next-kasan-gce-root 2019/02/02 22:23 linux-next dc4c89997735 c198d5dd .config log report