syzbot


WARNING in kernfs_get
Status: fixed on 2019/12/05 23:59
Reported-by: syzbot+4950f058cfd2f22b7a83@syzkaller.appspotmail.com
Fix commit: e1666bcbae0c driver core: Fix use-after-free and double free on glue directory
First crash: 1118d, last: 979d

Fix bisection: fixed by (bisect log) :
commit e1666bcbae0c5edb6d7a752b31a8f28c59b54546
Author: Muchun Song <smuchun@gmail.com>
Date: Sat Jul 27 03:21:22 2019 +0000

  driver core: Fix use-after-free and double free on glue directory

similar bugs (5):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in kernfs_get (2) 2 598d 616d 0/22 auto-closed as invalid on 2021/01/25 03:55
linux-4.14 WARNING in kernfs_get C done 17 1003d 1122d 1/1 fixed on 2019/12/07 19:24
upstream WARNING in kernfs_get C done 316 1017d 1346d 14/22 fixed on 2019/11/20 22:01
upstream WARNING in kernfs_get (3) 3 163d 167d 0/22 auto-closed as invalid on 2022/02/04 06:25
android-414 WARNING in kernfs_get syz 69 981d 1134d 0/1 public: reported syz repro on 2019/04/10 15:44

Sample crash report:

Crashes (14):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-19 2019/09/12 16:08 linux-4.19.y ee809c7e0895 0b7672ee .config log report syz C
ci2-linux-4-19 2019/08/01 20:46 linux-4.19.y 9a9de33a9dfa 835dffe7 .config log report syz C
ci2-linux-4-19 2019/07/16 22:04 linux-4.19.y 3bd837bfe431 4ec4ea48 .config log report syz C
ci2-linux-4-19 2019/06/30 05:58 linux-4.19.y aec3002d07fd 7509bf36 .config log report syz C
ci2-linux-4-19 2019/06/07 18:04 linux-4.19.y e109a984cf38 cf9c3a50 .config log report syz C
ci2-linux-4-19 2019/04/25 23:08 linux-4.19.y c98875d930e9 f46aabc8 .config log report syz C
ci2-linux-4-19 2019/08/31 20:55 linux-4.19.y 97ab07e11fbf bad3cce2 .config log report
ci2-linux-4-19 2019/08/15 18:55 linux-4.19.y 893af1c79e42 faeffb00 .config log report
ci2-linux-4-19 2019/07/23 22:10 linux-4.19.y be9b6782a9eb de453f34 .config log report
ci2-linux-4-19 2019/07/21 01:08 linux-4.19.y 3bd837bfe431 1656845f .config log report
ci2-linux-4-19 2019/06/27 15:50 linux-4.19.y aec3002d07fd 7509bf36 .config log report
ci2-linux-4-19 2019/06/27 03:34 linux-4.19.y aec3002d07fd 7509bf36 .config log report
ci2-linux-4-19 2019/06/12 15:17 linux-4.19.y 768292d05361 794a1ad7 .config log report
ci2-linux-4-19 2019/06/04 19:22 linux-4.19.y e109a984cf38 e41a20c5 .config log report