syzbot


KASAN: use-after-free Read in debugfs_remove
Status: upstream: reported C repro on 2019/04/17 06:08
Reported-by: syzbot+b995cedcc70f92f10fc4@syzkaller.appspotmail.com
First crash: 792d, last: 237d

Fix bisection: the fix commit could be any of (bisect log):
  ddef1e8e3f6e Linux 4.14.151
  56dfe6252c68 Linux 4.14.188
similar bugs (4):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KASAN: use-after-free Read in debugfs_remove (2) 1 1153d 1151d 6/22 fixed on 2018/05/17 10:02
linux-4.19 KASAN: use-after-free Read in debugfs_remove C done 15 228d 725d 1/1 fixed on 2020/12/01 11:25
upstream KASAN: use-after-free Read in debugfs_remove (3) C done error 88 514d 981d 0/22 closed as dup on 2020/06/28 17:08
upstream KASAN: use-after-free Read in debugfs_remove 1 1174d 1173d 0/22 closed as invalid on 2018/04/10 15:18

Sample crash report:

Crashes (14):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2020/09/02 04:38 linux-4.14.y d7e78d08 abf9ba4f .config log report syz C
ci2-linux-4-14 2019/11/06 04:59 linux-4.14.y ddef1e8e bc2c6e45 .config log report syz C
ci2-linux-4-14 2019/07/22 08:48 linux-4.14.y ff33472c b3c615f5 .config log report syz C
ci2-linux-4-14 2020/10/23 10:51 linux-4.14.y 5b7a52cd 4e740c00 .config log report info
ci2-linux-4-14 2020/06/19 17:13 linux-4.14.y b850307b 123cf502 .config log report
ci2-linux-4-14 2020/03/23 05:53 linux-4.14.y 01364dad 78267cec .config log report
ci2-linux-4-14 2020/02/14 11:06 linux-4.14.y e0f8b8a6 5d7b90f1 .config log report
ci2-linux-4-14 2019/11/30 03:03 linux-4.14.y 43598c57 3a75be00 .config log report
ci2-linux-4-14 2019/11/08 12:26 linux-4.14.y c9fda4f2 1e35461e .config log report
ci2-linux-4-14 2019/10/03 20:33 linux-4.14.y f6e27dbb fc17ba49 .config log report
ci2-linux-4-14 2019/08/28 23:11 linux-4.14.y b5260801 40203c15 .config log report
ci2-linux-4-14 2019/06/26 12:55 linux-4.14.y bc2bccef 4d342240 .config log report
ci2-linux-4-14 2019/04/19 00:10 linux-4.14.y 58b454eb b0e8efcb .config log report
ci2-linux-4-14 2019/04/17 05:07 linux-4.14.y 1ec8f1f0 b0e8efcb .config log report