syzbot


INFO: task hung in fb_release
Status: closed as dup on 2020/07/27 23:00
Reported-by: syzbot+d130c4a0890561cfac5b@syzkaller.appspotmail.com
First crash: 778d, last: 534d

Cause bisection: introduced by (bisect log) :
commit e3933f26b657c341055443103bad331f4537b113
Author: Rex Zhu <Rex.Zhu@amd.com>
Date: Tue Jan 16 10:35:15 2018 +0000

  drm/amd/pp: Add edit/commit/show OD clock/voltage support in sysfs

Crash: INFO: task hung in do_fb_ioctl (log)
Repro: C syz .config
Duplicate of (1):
Title Repro Cause bisect Fix bisect Count Last Reported
KASAN: vmalloc-out-of-bounds Write in bitfill_aligned C 475 551d 786d
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 INFO: task hung in fb_release 10 559d 746d 0/1 auto-closed as invalid on 2020/11/15 14:18
linux-4.14 INFO: task hung in fb_release C done 48 550d 781d 1/1 fixed on 2020/08/28 16:06

Sample crash report:

Crashes (64):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2020/01/02 07:31 upstream 738d2902773e 25a0186e .config log report syz C
ci-upstream-kasan-gce-root 2019/12/23 03:44 upstream c60174717544 8b967267 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/12/30 04:33 linux-next 7ddd09fc4b74 af6b8ef8 .config log report syz
ci-upstream-kasan-gce-root 2020/07/26 13:28 upstream 04300d66f0a0 51265195 .config log report
ci-upstream-kasan-gce 2020/07/21 22:25 upstream 4fa640dc5230 21f1765e .config log report
ci-upstream-kasan-gce 2020/07/18 22:39 upstream 6a70f89cc58f 9c812472 .config log report
ci-upstream-kasan-gce 2020/07/15 04:08 upstream e9919e11e219 609fb517 .config log report
ci-upstream-kasan-gce 2020/07/04 15:29 upstream 7cc2a8ea1048 51095195 .config log report
ci-upstream-kasan-gce 2020/07/01 11:44 upstream 9ebcfadb0610 917afeaa .config log report
ci-upstream-kasan-gce-root 2020/06/30 06:24 upstream 4e99b32169e8 a2cdad9d .config log report
ci-upstream-kasan-gce 2020/06/28 10:16 upstream 1590a2e1c681 ffec44b5 .config log report
ci-upstream-kasan-gce 2020/06/17 20:37 upstream 7ae77150d94d b9f3810b .config log report
ci-upstream-kasan-gce 2020/06/12 20:52 upstream 7ae77150d94d df590254 .config log report
ci-upstream-kasan-gce-root 2020/06/10 00:24 upstream 7ae77150d94d 092934c1 .config log report
ci-upstream-kasan-gce-root 2020/06/09 06:30 upstream 7ae77150d94d 0d60b78a .config log report
ci-upstream-kasan-gce-root 2020/06/06 22:54 upstream 7ae77150d94d e6b89e4e .config log report
ci-upstream-kasan-gce-selinux-root 2020/06/01 13:43 upstream 3d77e6a8804a a0331e89 .config log report
ci-upstream-kasan-gce-selinux-root 2020/05/13 02:42 upstream 24085f70a6e1 a44eb8f7 .config log report
ci-upstream-kasan-gce-smack-root 2020/05/07 15:47 upstream a811c1fa0a02 98cbd87b .config log report
ci-upstream-kasan-gce-smack-root 2020/05/03 10:13 upstream f66ed1ebbfde 5457883a .config log report
ci-upstream-kasan-gce-selinux-root 2020/04/29 23:41 upstream 96c9a7802af7 496a08ae .config log report
ci-upstream-kasan-gce 2020/04/29 22:10 upstream 96c9a7802af7 496a08ae .config log report
ci-upstream-kasan-gce-root 2020/04/16 15:42 upstream 00086336a8d9 c743fcb3 .config log report
ci-upstream-kasan-gce-root 2020/04/16 14:09 upstream 00086336a8d9 c743fcb3 .config log report
ci-upstream-kasan-gce-selinux-root 2020/04/15 18:35 upstream 8632e9b5645b 3f3c5574 .config log report
ci-upstream-kasan-gce-root 2020/04/11 06:37 upstream ab6f762f0f53 a8c6a3f8 .config log report
ci-upstream-kasan-gce-selinux-root 2020/04/07 02:20 upstream 7e63420847ae 99a96044 .config log report
ci-upstream-kasan-gce-root 2020/04/03 16:48 upstream bef7b2a7be28 5ed396e6 .config log report
ci-upstream-kasan-gce 2020/04/03 00:32 upstream 7be97138e727 a34e2c33 .config log report
ci-upstream-kasan-gce-selinux-root 2020/03/17 21:04 upstream fb33c6510d55 749688d2 .config log report
ci-upstream-kasan-gce-root 2020/03/06 20:24 upstream 63623fd44972 c88c7b75 .config log report
ci-upstream-kasan-gce 2020/03/05 14:51 upstream 63623fd44972 c88c7b75 .config log report
ci-upstream-kasan-gce 2020/02/29 11:53 upstream f8788d86ab28 59b57593 .config log report
ci-upstream-kasan-gce-smack-root 2020/02/25 17:01 upstream f8788d86ab28 59b57593 .config log report
ci-upstream-kasan-gce-selinux-root 2020/02/23 20:41 upstream 0a115e5f23b9 2c36e7a7 .config log report
ci-upstream-kasan-gce-selinux-root 2020/02/20 13:03 upstream ca7e1fd1026c 81230308 .config log report
ci-upstream-kasan-gce 2020/02/20 00:59 upstream 4b205766d8fc b690a6e3 .config log report
ci-upstream-kasan-gce-selinux-root 2020/01/25 18:09 upstream d5d359b0ac3f 2e95ab33 .config log report
ci-upstream-kasan-gce 2020/01/24 11:13 upstream 4703d9119972 2e95ab33 .config log report
ci-upstream-kasan-gce-smack-root 2020/01/22 07:08 upstream d96d875ef5dd 8eda0b95 .config log report
ci-upstream-kasan-gce 2020/01/20 04:28 upstream 8f8972a3127f 0342f8c7 .config log report
ci-upstream-kasan-gce-selinux-root 2020/01/15 10:34 upstream 95e20af9fb9c fa12bd3c .config log report
ci-upstream-kasan-gce 2020/01/14 12:18 upstream b3a987b0264d 32881205 .config log report
ci-upstream-kasan-gce 2020/01/14 01:51 upstream b3a987b0264d 32881205 .config log report
ci-upstream-kasan-gce 2020/01/10 04:50 upstream e69ec487b2c7 4de4e9f0 .config log report
ci-upstream-kasan-gce-selinux-root 2019/12/31 00:41 upstream fd6988496e79 7f117e28 .config log report
ci-upstream-kasan-gce 2019/12/21 05:21 upstream 6398b9fc818e bc586918 .config log report
ci-upstream-kasan-gce 2019/12/13 07:20 upstream ae4b064e2a61 08003f64 .config log report
ci-upstream-kasan-gce-386 2020/07/24 20:11 upstream f37e99aca03f 554af388 .config log report
ci-upstream-kasan-gce-386 2020/07/20 03:37 upstream 92188b41f139 9c812472 .config log report
ci-upstream-kasan-gce-386 2020/07/01 09:38 upstream 9ebcfadb0610 917afeaa .config log report
ci-upstream-kasan-gce-386 2020/06/19 16:47 upstream 7ae77150d94d bc258b50 .config log report
ci-upstream-kasan-gce-386 2020/05/03 12:18 upstream f66ed1ebbfde 5457883a .config log report
ci-upstream-kasan-gce-386 2020/03/22 11:00 upstream b74b991fb8b9 78267cec .config log report
ci-upstream-kasan-gce-386 2020/02/08 14:47 upstream f757165705e9 06150bf1 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/08/13 08:06 linux-next bc09acc9f224 bc15f7db .config log report
ci-upstream-linux-next-kasan-gce-root 2020/07/16 23:30 linux-next 4c43049f19a2 54b3c45e .config log report
ci-upstream-linux-next-kasan-gce-root 2020/06/05 06:08 linux-next e7b08814b16b 6720fdef .config log report
ci-upstream-linux-next-kasan-gce-root 2020/05/17 15:36 linux-next ac935d227366 37bccd4e .config log report
ci-upstream-linux-next-kasan-gce-root 2020/04/25 02:24 linux-next ac935d227366 03d97a1b .config log report
ci-upstream-linux-next-kasan-gce-root 2020/04/14 23:58 linux-next f19bb13a0eaf 3f3c5574 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/03/13 16:01 linux-next 770fbb32d34e d850e9d0 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/12/24 10:20 linux-next 7ddd09fc4b74 be5c2c81 .config log report