syzbot


possible deadlock in __might_fault
Status: fixed on 2020/01/18 20:51
Reported-by: syzbot+b59b126dd9ecef2f4ec9@syzkaller.appspotmail.com
Fix commit: 3757e3818838 usb: mon: Fix a deadlock in usbmon between mmap and read
First crash: 899d, last: 648d

Fix bisection: fixed by (bisect log) :
commit 3757e3818838828f969ea51bea9b0e4ba948575e
Author: Pete Zaitcev <zaitcev@redhat.com>
Date: Thu Dec 5 02:39:41 2019 +0000

  usb: mon: Fix a deadlock in usbmon between mmap and read

similar bugs (7):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream possible deadlock in __might_fault C 8978 1293d 1308d 4/22 fixed on 2018/03/23 18:14
linux-4.14 possible deadlock in __might_fault C done 295 658d 898d 1/1 fixed on 2020/01/09 09:47
android-44 possible deadlock in __might_fault C 6745 1282d 1309d 2/2 fixed on 2018/04/24 18:02
android-49 possible deadlock in __might_fault C 10264 1288d 1309d 3/3 fixed on 2018/04/24 17:23
android-414 possible deadlock in __might_fault 136 671d 898d 0/1 auto-closed as invalid on 2020/03/25 09:38
upstream possible deadlock in __might_fault (3) C 10722 653d 1124d 0/22 closed as dup on 2018/09/16 01:51
upstream possible deadlock in __might_fault (2) C 20 1246d 1249d 9/22 fixed on 2018/07/09 18:05

Sample crash report:

Crashes (385):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-19 2019/10/17 08:33 linux-4.19.y dafd634415a7 8c88c9c1 .config log report syz C
ci2-linux-4-19 2019/10/17 08:12 linux-4.19.y dafd634415a7 8c88c9c1 .config log report syz C
ci2-linux-4-19 2019/10/17 07:51 linux-4.19.y dafd634415a7 8c88c9c1 .config log report syz C
ci2-linux-4-19 2019/10/17 02:47 linux-4.19.y dafd634415a7 8c88c9c1 .config log report syz C
ci2-linux-4-19 2019/10/17 02:24 linux-4.19.y dafd634415a7 8c88c9c1 .config log report syz C
ci2-linux-4-19 2019/10/17 01:36 linux-4.19.y dafd634415a7 8c88c9c1 .config log report syz C
ci2-linux-4-19 2019/06/08 00:54 linux-4.19.y e109a984cf38 cf9c3a50 .config log report syz C
ci2-linux-4-19 2019/04/25 21:29 linux-4.19.y c98875d930e9 f46aabc8 .config log report syz C
ci2-linux-4-19 2019/04/25 20:28 linux-4.19.y c98875d930e9 f46aabc8 .config log report syz C
ci2-linux-4-19 2019/04/25 08:12 linux-4.19.y c98875d930e9 8e3c52b1 .config log report syz C
ci2-linux-4-19 2019/04/25 04:56 linux-4.19.y c98875d930e9 8e3c52b1 .config log report syz C
ci2-linux-4-19 2019/04/24 01:12 linux-4.19.y c98875d930e9 2398edea .config log report syz C
ci2-linux-4-19 2019/04/19 20:05 linux-4.19.y 4b0e041c9dad b0e8efcb .config log report syz C
ci2-linux-4-19 2019/04/18 00:14 linux-4.19.y 4b0e041c9dad b0e8efcb .config log report syz C
ci2-linux-4-19 2019/10/17 07:02 linux-4.19.y dafd634415a7 8c88c9c1 .config log report syz
ci2-linux-4-19 2019/10/17 04:48 linux-4.19.y dafd634415a7 8c88c9c1 .config log report syz
ci2-linux-4-19 2019/10/16 23:56 linux-4.19.y dafd634415a7 8c88c9c1 .config log report syz
ci2-linux-4-19 2019/12/19 00:31 linux-4.19.y 7d120bf21c05 79b211f7 .config log report
ci2-linux-4-19 2019/12/17 07:49 linux-4.19.y 312017a460d5 d13d7958 .config log report
ci2-linux-4-19 2019/12/16 09:34 linux-4.19.y 312017a460d5 0ae38e44 .config log report
ci2-linux-4-19 2019/12/16 07:18 linux-4.19.y 312017a460d5 eef6e580 .config log report
ci2-linux-4-19 2019/12/15 19:20 linux-4.19.y 312017a460d5 eef6e580 .config log report
ci2-linux-4-19 2019/12/12 18:29 linux-4.19.y fb683b5e3f53 08003f64 .config log report
ci2-linux-4-19 2019/12/11 15:01 linux-4.19.y fb683b5e3f53 0d368675 .config log report
ci2-linux-4-19 2019/12/10 22:30 linux-4.19.y fb683b5e3f53 101194eb .config log report
ci2-linux-4-19 2019/12/09 15:10 linux-4.19.y fb683b5e3f53 b31eda3d .config log report
ci2-linux-4-19 2019/12/09 13:41 linux-4.19.y fb683b5e3f53 b31eda3d .config log report
ci2-linux-4-19 2019/12/08 21:23 linux-4.19.y fb683b5e3f53 1508f453 .config log report
ci2-linux-4-19 2019/12/08 15:31 linux-4.19.y fb683b5e3f53 1508f453 .config log report
ci2-linux-4-19 2019/12/06 17:11 linux-4.19.y fb683b5e3f53 85f26751 .config log report
ci2-linux-4-19 2019/12/06 09:26 linux-4.19.y fb683b5e3f53 98b4ef2d .config log report
ci2-linux-4-19 2019/12/04 15:06 linux-4.19.y 174651bdf802 b2088328 .config log report
ci2-linux-4-19 2019/11/30 02:22 linux-4.19.y 14260788bbb9 3a75be00 .config log report
ci2-linux-4-19 2019/11/29 11:23 linux-4.19.y 14260788bbb9 4f7e1d0f .config log report
ci2-linux-4-19 2019/11/28 22:31 linux-4.19.y 14260788bbb9 76357d6f .config log report
ci2-linux-4-19 2019/11/26 19:57 linux-4.19.y 14260788bbb9 1048481f .config log report
ci2-linux-4-19 2019/11/26 10:10 linux-4.19.y 14260788bbb9 598ca6c8 .config log report
ci2-linux-4-19 2019/11/24 11:55 linux-4.19.y 14260788bbb9 598ca6c8 .config log report
ci2-linux-4-19 2019/11/24 03:43 linux-4.19.y c63ee2939dc1 598ca6c8 .config log report
ci2-linux-4-19 2019/11/23 16:39 linux-4.19.y c63ee2939dc1 598ca6c8 .config log report
ci2-linux-4-19 2019/11/22 10:53 linux-4.19.y c63ee2939dc1 598ca6c8 .config log report
ci2-linux-4-19 2019/11/22 09:44 linux-4.19.y c63ee2939dc1 8098ea0f .config log report
ci2-linux-4-19 2019/11/21 20:43 linux-4.19.y c63ee2939dc1 8098ea0f .config log report
ci2-linux-4-19 2019/11/21 00:04 linux-4.19.y c63ee2939dc1 8098ea0f .config log report
ci2-linux-4-19 2019/11/20 23:03 linux-4.19.y c63ee2939dc1 8098ea0f .config log report
ci2-linux-4-19 2019/11/20 19:41 linux-4.19.y c555efaf1402 432c7650 .config log report
ci2-linux-4-19 2019/11/20 11:17 linux-4.19.y c555efaf1402 432c7650 .config log report
ci2-linux-4-19 2019/11/19 18:01 linux-4.19.y c555efaf1402 432c7650 .config log report
ci2-linux-4-19 2019/11/19 11:25 linux-4.19.y c555efaf1402 432c7650 .config log report
ci2-linux-4-19 2019/11/19 09:45 linux-4.19.y c555efaf1402 432c7650 .config log report
ci2-linux-4-19 2019/11/17 02:49 linux-4.19.y c555efaf1402 cdac920b .config log report
ci2-linux-4-19 2019/11/17 01:22 linux-4.19.y c555efaf1402 cdac920b .config log report
ci2-linux-4-19 2019/11/14 22:11 linux-4.19.y c555efaf1402 048f2d49 .config log report
ci2-linux-4-19 2019/11/12 17:03 linux-4.19.y 7d8dbefc22ff 048f2d49 .config log report
ci2-linux-4-19 2019/11/02 22:07 linux-4.19.y ef244c308885 d603afc9 .config log report
ci2-linux-4-19 2019/11/02 16:05 linux-4.19.y ef244c308885 997ccc67 .config log report
ci2-linux-4-19 2019/10/29 20:27 linux-4.19.y ef244c308885 5ea87a66 .config log report
ci2-linux-4-19 2019/10/24 08:15 linux-4.19.y c3038e718a19 d01bb02a .config log report
ci2-linux-4-19 2019/10/14 06:48 linux-4.19.y dafd634415a7 2f661ec4 .config log report
ci2-linux-4-19 2019/10/14 02:13 linux-4.19.y dafd634415a7 2f661ec4 .config log report
ci2-linux-4-19 2019/10/13 23:17 linux-4.19.y dafd634415a7 2f661ec4 .config log report
ci2-linux-4-19 2019/10/13 09:30 linux-4.19.y dafd634415a7 2f661ec4 .config log report
ci2-linux-4-19 2019/04/12 03:46 linux-4.19.y 4d552acf3370 8916f5e1 .config log report