syzbot


KASAN: null-ptr-deref Write in get_block
Status: fixed on 2020/09/16 22:51
Reported-by: syzbot+4a88b2b9dc280f47baf4@syzkaller.appspotmail.com
Fix commit: da27e0a0e5f6 fs/minix: check return value of sb_getblk()
First crash: 631d, last: 514d

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: WARNING in sysfs_warn_dup (log)
Repro: C syz .config

Sample crash report:

Crashes (101):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-qemu-upstream 2020/06/19 11:29 upstream 435faf5c218a bc258b50 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/05/15 11:54 upstream 1ae7efb38854 2d572622 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/04/11 19:08 upstream 5b8b9d0c6d0e a8c6a3f8 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/04/11 10:08 upstream ab6f762f0f53 a8c6a3f8 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/04/11 09:41 upstream ab6f762f0f53 a8c6a3f8 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/04/11 09:07 upstream ab6f762f0f53 a8c6a3f8 .config log report syz C
ci-upstream-kasan-gce-root 2020/03/17 10:35 upstream fb33c6510d55 749688d2 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/04/14 16:55 linux-next f19bb13a0eaf 3f3c5574 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/04/14 16:28 linux-next f19bb13a0eaf 3f3c5574 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/04/14 15:50 linux-next f19bb13a0eaf 3f3c5574 .config log report syz C
ci-qemu-upstream 2020/06/24 23:08 upstream 435faf5c218a 41694dbf .config log report syz
ci-upstream-kasan-gce-root 2020/04/09 22:58 upstream 5d30bcacd91a a8c6a3f8 .config log report syz
ci-upstream-kasan-gce-smack-root 2020/07/12 18:46 upstream 0aea6d5c5be3 115e1930 .config log report
ci-upstream-kasan-gce-root 2020/07/11 21:43 upstream a581387e415b 18d18b59 .config log report
ci-upstream-kasan-gce-smack-root 2020/07/10 19:28 upstream 42f82040ee66 edf162e8 .config log report
ci-upstream-kasan-gce-selinux-root 2020/07/09 23:26 upstream 0bddd227f3dc bc238812 .config log report
ci-upstream-kasan-gce-smack-root 2020/07/08 04:09 upstream 7cc2a8ea1048 51095195 .config log report
ci-upstream-kasan-gce-smack-root 2020/07/07 21:06 upstream 7cc2a8ea1048 51095195 .config log report
ci-upstream-kasan-gce-smack-root 2020/07/04 20:50 upstream 7cc2a8ea1048 51095195 .config log report
ci-upstream-kasan-gce-selinux-root 2020/07/03 00:43 upstream cd77006e01b3 bed10395 .config log report
ci-upstream-kasan-gce-root 2020/07/02 10:51 upstream cd77006e01b3 bed10395 .config log report
ci-upstream-kasan-gce-root 2020/07/02 07:43 upstream cd77006e01b3 bed10395 .config log report
ci-upstream-kasan-gce-root 2020/06/30 12:10 upstream 4e99b32169e8 a2cdad9d .config log report
ci-upstream-kasan-gce-smack-root 2020/06/28 23:56 upstream 4e99b32169e8 a2cdad9d .config log report
ci-upstream-kasan-gce-smack-root 2020/06/28 18:42 upstream 4e99b32169e8 a2cdad9d .config log report
ci-upstream-kasan-gce-root 2020/06/27 19:11 upstream 1590a2e1c681 ffec44b5 .config log report
ci-upstream-kasan-gce-root 2020/06/27 14:29 upstream 1590a2e1c681 ffec44b5 .config log report
ci-upstream-kasan-gce-smack-root 2020/06/26 13:45 upstream 4a21185cda0f aea82c00 .config log report
ci-upstream-kasan-gce-smack-root 2020/06/25 08:43 upstream 7ae77150d94d 54566aff .config log report
ci-upstream-kasan-gce-root 2020/06/24 21:30 upstream 7ae77150d94d 54566aff .config log report
ci-upstream-kasan-gce-selinux-root 2020/06/24 01:34 upstream 7ae77150d94d 54566aff .config log report
ci-upstream-kasan-gce-smack-root 2020/06/20 05:24 upstream 7ae77150d94d 81abc331 .config log report
ci-upstream-kasan-gce-selinux-root 2020/06/17 20:26 upstream 7ae77150d94d b9f3810b .config log report
ci-upstream-kasan-gce-selinux-root 2020/06/17 10:23 upstream 7ae77150d94d b9f3810b .config log report
ci-upstream-kasan-gce-selinux-root 2020/06/17 00:20 upstream 7ae77150d94d 559fbe2d .config log report
ci-upstream-kasan-gce-smack-root 2020/06/16 22:49 upstream 7ae77150d94d 559fbe2d .config log report
ci-upstream-kasan-gce-root 2020/06/15 04:22 upstream 7ae77150d94d 2a22c77a .config log report
ci-upstream-kasan-gce-root 2020/06/14 17:59 upstream 7ae77150d94d 2a22c77a .config log report
ci-upstream-kasan-gce-smack-root 2020/06/14 14:59 upstream 7ae77150d94d 2a22c77a .config log report
ci-upstream-kasan-gce-root 2020/06/12 14:26 upstream 7ae77150d94d 58802067 .config log report
ci-upstream-kasan-gce-selinux-root 2020/06/10 14:52 upstream 7ae77150d94d 860c4de9 .config log report
ci-upstream-kasan-gce-selinux-root 2020/06/09 06:03 upstream 7ae77150d94d 0d60b78a .config log report
ci-upstream-kasan-gce-smack-root 2020/06/06 14:46 upstream 7ae77150d94d e6b89e4e .config log report
ci-upstream-kasan-gce-selinux-root 2020/06/06 13:53 upstream 7ae77150d94d e6b89e4e .config log report
ci-upstream-kasan-gce-selinux-root 2020/06/06 03:10 upstream 7ae77150d94d f243c88f .config log report
ci-upstream-kasan-gce-smack-root 2020/06/04 16:49 upstream cb8e59cc8720 b0d1c0d5 .config log report
ci-upstream-kasan-gce-smack-root 2020/06/01 05:10 upstream bdc48fa11e46 a0331e89 .config log report
ci-upstream-kasan-gce-root 2020/05/23 16:41 upstream 444565650a5f 9682898d .config log report
ci-upstream-kasan-gce-selinux-root 2020/05/21 10:17 upstream b85051e755b0 c61086ab .config log report
ci-upstream-kasan-gce-root 2020/03/17 10:07 upstream fb33c6510d55 749688d2 .config log report
ci-qemu-upstream-386 2020/04/16 02:29 upstream 00086336a8d9 3f3c5574 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/07/05 06:00 linux-next 9e50b94b3eb0 51095195 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/07/04 16:39 linux-next 9e50b94b3eb0 51095195 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/06/30 15:31 linux-next 36e3135df4d4 a2cdad9d .config log report
ci-upstream-linux-next-kasan-gce-root 2020/06/05 17:54 linux-next e7b08814b16b 2420d1bc .config log report
ci-upstream-linux-next-kasan-gce-root 2020/06/01 18:57 linux-next e7b08814b16b a0331e89 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/05/29 00:30 linux-next ff387fc20c69 0d951763 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/05/19 07:48 linux-next ac935d227366 684d3606 .config log report