syzbot


possible deadlock in mon_bin_vma_fault
Status: fixed on 2020/02/14 01:19
Reported-by: syzbot+56f9673bb4cdcbeb0e92@syzkaller.appspotmail.com
Fix commit: 19e6317d24c2 usb: mon: Fix a deadlock in usbmon between mmap and read
First crash: 1151d, last: 680d

Cause bisection: introduced by (bisect log) :
commit 46eb14a6e1585d99c1b9f58d0e7389082a5f466b
Author: Pete Zaitcev <zaitcev@redhat.com>
Date: Mon Jan 8 21:46:41 2018 +0000

  USB: fix usbmon BUG trigger

Crash: possible deadlock in __might_fault (log)
Repro: C syz .config
duplicates (1):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
possible deadlock in __might_fault (3) C 10722 680d 1151d 0/22 closed as dup on 2018/09/16 01:51
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 possible deadlock in mon_bin_vma_fault C done 282 686d 922d 1/1 fixed on 2020/01/07 21:27
linux-4.19 possible deadlock in mon_bin_vma_fault C done 375 678d 928d 1/1 fixed on 2020/01/15 15:23
Patch testing requests:
Created Duration User Patch Repo Result
2019/11/24 20:55 16m stern@rowland.harvard.edu patch git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git v5.3 OK
2019/11/24 15:59 0m stern@rowland.harvard.edu patch git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git v5.3 error

Sample crash report:

Crashes (11427):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2019/10/20 10:49 upstream 531e93d11470 8c88c9c1 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2019/10/19 12:42 upstream b9959c7a347d 8c88c9c1 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2019/10/18 19:23 upstream 0e2adab6cf28 8c88c9c1 .config log report syz C
ci-upstream-kasan-gce-smack-root 2019/10/15 14:48 upstream 5bc52f64e884 b5268b89 .config log report syz C
ci-upstream-kasan-gce-root 2019/10/14 23:51 upstream 4f5cafb5cb84 05ad7292 .config log report syz C
ci-upstream-kasan-gce-root 2019/10/14 09:16 upstream d4615e5a4680 2f661ec4 .config log report syz C
ci-upstream-kasan-gce-root 2019/10/13 17:55 upstream da94001239cc 2f661ec4 .config log report syz C
ci-upstream-kasan-gce-smack-root 2019/10/13 16:01 upstream da94001239cc 2f661ec4 .config log report syz C
ci-upstream-kasan-gce 2019/10/06 01:58 upstream b145b0eb2031 f3f7d9c8 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2019/07/03 14:45 upstream eca94432934f 55565fa0 .config log report syz C
ci-upstream-kasan-gce 2019/07/03 14:43 upstream eca94432934f 55565fa0 .config log report syz C
ci-upstream-kasan-gce-root 2019/07/03 14:40 upstream eca94432934f 55565fa0 .config log report syz C
ci-upstream-kasan-gce-smack-root 2019/07/03 14:37 upstream eca94432934f 55565fa0 .config log report syz C
ci-upstream-kasan-gce-smack-root 2019/04/19 04:44 upstream 6d906f998179 b0e8efcb .config log report syz C
ci-upstream-kasan-gce-selinux-root 2019/04/19 04:44 upstream 6d906f998179 b0e8efcb .config log report syz C
ci-upstream-kasan-gce-root 2019/03/10 17:05 upstream 6cdc577a18a6 12365b99 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2019/03/10 16:46 upstream 6cdc577a18a6 12365b99 .config log report syz C
ci-upstream-kasan-gce-smack-root 2019/03/10 15:34 upstream 6cdc577a18a6 12365b99 .config log report syz C
ci-upstream-kasan-gce 2019/03/10 15:00 upstream 6cdc577a18a6 12365b99 .config log report syz C
ci-upstream-kasan-gce-root 2018/09/01 09:29 upstream 420f51f4ab6b a4718693 .config log report syz C
ci-upstream-kasan-gce-root 2018/09/01 07:51 upstream 420f51f4ab6b a4718693 .config log report syz C
ci-upstream-kasan-gce-root 2018/09/01 05:24 upstream 420f51f4ab6b a4718693 .config log report syz C
ci-upstream-kasan-gce 2018/09/01 02:50 upstream 420f51f4ab6b a4718693 .config log report syz C
ci-upstream-kasan-gce 2018/08/31 23:23 upstream 420f51f4ab6b a4718693 .config log report syz C
ci-upstream-kasan-gce-root 2018/08/31 21:17 upstream 420f51f4ab6b a4718693 .config log report syz C
ci-upstream-kasan-gce 2018/08/31 01:49 upstream 58c3f14f86c9 938220fd .config log report syz C
ci-upstream-kasan-gce-386 2019/07/03 14:43 upstream eca94432934f 55565fa0 .config log report syz C
ci-upstream-kasan-gce-386 2019/03/10 15:18 upstream 6cdc577a18a6 12365b99 .config log report syz C
ci-upstream-kasan-gce-386 2018/09/01 03:09 upstream 420f51f4ab6b a4718693 .config log report syz C
ci-upstream-kasan-gce-386 2018/09/01 01:45 upstream 420f51f4ab6b a4718693 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/10/18 13:26 linux-next c4b9850b3676 8c88c9c1 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/10/18 02:59 linux-next 3ef845da3c3b 8c88c9c1 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/10/17 08:35 linux-next 3ef845da3c3b 8c88c9c1 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/07/09 02:59 linux-next d58b5ab90ee7 f62e1e85 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/03/12 02:30 linux-next cf08baa29613 12365b99 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2018/09/01 15:49 linux-next a880148cb2af a4718693 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2018/09/01 14:18 linux-next a880148cb2af a4718693 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2018/08/31 23:41 linux-next a880148cb2af a4718693 .config log report syz C
ci-upstream-kasan-gce-root 2019/04/19 05:46 upstream 6d906f998179 b0e8efcb .config log report syz
ci-upstream-kasan-gce 2019/04/19 04:43 upstream 6d906f998179 b0e8efcb .config log report syz
ci-upstream-linux-next-kasan-gce-root 2019/04/19 04:43 linux-next 3f018f4a019a b0e8efcb .config log report syz
ci-upstream-kasan-gce-selinux-root 2019/12/14 09:09 upstream e31736d9fae8 eef6e580 .config log report
ci-upstream-kasan-gce 2019/12/11 05:03 upstream 6794862a16ef 101194eb .config log report
ci-upstream-kasan-gce-root 2019/12/10 15:20 upstream 6794862a16ef 5a5826a1 .config log report
ci-upstream-kasan-gce-root 2019/12/10 02:32 upstream 6794862a16ef 4b83c8fb .config log report
ci-upstream-kasan-gce-root 2019/12/09 12:58 upstream e42617b825f8 b31eda3d .config log report
ci-upstream-kasan-gce 2019/12/09 08:51 upstream e42617b825f8 1508f453 .config log report
ci-upstream-kasan-gce-selinux-root 2019/12/08 14:56 upstream 9455d25f4e3b 1508f453 .config log report
ci-upstream-kasan-gce-selinux-root 2019/12/07 11:34 upstream eea2d5da29e3 85f26751 .config log report
ci-upstream-kasan-gce-selinux-root 2019/12/06 22:06 upstream 7ada90eb9c7a 85f26751 .config log report
ci-upstream-kasan-gce-root 2019/12/06 04:11 upstream b0d4beaa5a4b 98b4ef2d .config log report
ci-upstream-kasan-gce-root 2019/12/06 02:41 upstream b0d4beaa5a4b 98b4ef2d .config log report
ci-upstream-kasan-gce-root 2019/12/05 06:24 upstream aedc0650f913 b2088328 .config log report
ci-upstream-kasan-gce-root 2019/12/04 15:42 upstream 63de37476ebd b2088328 .config log report
ci-upstream-kasan-gce 2019/12/04 14:02 upstream 63de37476ebd b2088328 .config log report
ci-upstream-kasan-gce-root 2019/12/04 09:02 upstream 63de37476ebd 0ecb9746 .config log report
ci-upstream-kasan-gce-root 2019/12/03 18:22 upstream 76bb8b05960c ae13a849 .config log report
ci-upstream-kasan-gce-root 2019/12/02 06:12 upstream ceb307474506 f879db37 .config log report
ci-upstream-kasan-gce-selinux-root 2019/12/02 00:41 upstream b94ae8ad9fe7 f879db37 .config log report
ci-upstream-kasan-gce-root 2019/12/01 23:35 upstream b94ae8ad9fe7 f879db37 .config log report
ci-upstream-kasan-gce 2019/12/01 20:40 upstream b94ae8ad9fe7 a76bf83f .config log report
ci-upstream-kasan-gce 2019/12/01 14:40 upstream b94ae8ad9fe7 a76bf83f .config log report
ci-upstream-kasan-gce-selinux-root 2019/12/01 00:03 upstream 32ef9553635a a76bf83f .config log report
ci-upstream-kasan-gce-root 2019/11/30 01:52 upstream 81b6b96475ac 3a75be00 .config log report
ci-upstream-kasan-gce-selinux-root 2019/11/29 13:39 upstream 81b6b96475ac d29b9e84 .config log report
ci-upstream-kasan-gce-smack-root 2019/11/28 21:55 upstream a6ed68d6468b 46869e3e .config log report
ci-upstream-kasan-gce-root 2019/11/27 22:32 upstream d76886972823 0d63f89c .config log report
ci-upstream-kasan-gce-smack-root 2019/11/27 21:08 upstream d76886972823 0d63f89c .config log report
ci-upstream-kasan-gce 2019/11/27 07:45 upstream 89d57dddd7d3 1048481f .config log report
ci-upstream-kasan-gce 2019/11/26 19:20 upstream be2eca94d144 1048481f .config log report
ci-upstream-kasan-gce 2018/08/30 20:58 upstream 58c3f14f86c9 938220fd .config log report
ci-upstream-kasan-gce-386 2019/12/10 04:39 upstream 6794862a16ef 4b83c8fb .config log report
ci-upstream-kasan-gce-386 2019/12/10 02:37 upstream 6794862a16ef 4b83c8fb .config log report
ci-upstream-kasan-gce-386 2019/12/07 23:06 upstream ad910e36da4c 1508f453 .config log report
ci-upstream-kasan-gce-386 2019/12/04 10:21 upstream 63de37476ebd 0ecb9746 .config log report
ci-upstream-kasan-gce-386 2019/11/29 01:23 upstream 81b6b96475ac 76357d6f .config log report
ci-upstream-kasan-gce-386 2019/11/28 01:09 upstream d76886972823 0d63f89c .config log report
ci-upstream-kasan-gce-386 2019/11/27 16:15 upstream 89d57dddd7d3 0d63f89c .config log report
ci-upstream-kasan-gce-386 2019/11/27 09:10 upstream 89d57dddd7d3 1048481f .config log report
ci-upstream-kasan-gce-386 2019/11/26 19:36 upstream be2eca94d144 1048481f .config log report
ci-upstream-linux-next-kasan-gce-root 2019/12/08 18:36 linux-next c34be716fb37 1508f453 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/12/07 12:44 linux-next 558c2bf52f61 85f26751 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/12/06 08:19 linux-next 838333c80c4f 98b4ef2d .config log report
ci-upstream-linux-next-kasan-gce-root 2019/12/05 14:24 linux-next 282ffdf30a3e 4fb74474 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/12/05 07:51 linux-next 282ffdf30a3e b2088328 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/12/01 00:41 linux-next 419593dad843 a76bf83f .config log report
ci-upstream-linux-next-kasan-gce-root 2019/11/29 08:16 linux-next 419593dad843 76357d6f .config log report
ci-upstream-linux-next-kasan-gce-root 2019/11/29 07:08 linux-next 419593dad843 76357d6f .config log report
ci-upstream-linux-next-kasan-gce-root 2019/11/28 12:25 linux-next d26b0e226f22 46869e3e .config log report
ci-upstream-linux-next-kasan-gce-root 2019/11/28 12:11 linux-next d26b0e226f22 46869e3e .config log report
ci-upstream-linux-next-kasan-gce-root 2019/11/27 18:02 linux-next 1875ff320f14 0d63f89c .config log report
ci-upstream-linux-next-kasan-gce-root 2019/11/27 13:56 linux-next 1875ff320f14 5a38f3f0 .config log report