syzbot


WARNING in inc_nlink
Status: fixed on 2020/09/11 09:49
Reported-by: syzbot+e119c3cedf831cd93c5b@syzkaller.appspotmail.com
Fix commit: 12490f06ef08 fs/minix: don't allow getting deleted inodes
First crash: 787d, last: 644d

Fix bisection: fixed by (bisect log) :
commit 12490f06ef084bc34f5e5dbda104aa034e376f2e
Author: Eric Biggers <ebiggers@google.com>
Date: Wed Aug 12 01:35:27 2020 +0000

  fs/minix: don't allow getting deleted inodes

similar bugs (6):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 WARNING in inc_nlink (2) C error 83 7h20m 562d 0/1 upstream: reported C repro on 2020/11/01 15:25
upstream WARNING in inc_nlink (2) C inconclusive done 21 71d 408d 22/22 fixed on 2022/03/08 16:11
upstream WARNING in inc_nlink (3) C error 89 6h51m 61d 0/22 upstream: reported C repro on 2022/03/17 16:37
linux-4.19 WARNING in inc_nlink C done 8 637d 786d 1/1 fixed on 2020/09/18 07:23
linux-4.14 WARNING in inc_nlink (2) C 47 26d 558d 0/1 upstream: reported C repro on 2020/11/06 09:55
upstream WARNING in inc_nlink C done 26 674d 777d 17/22 fixed on 2020/09/16 22:51

Sample crash report:

Crashes (21):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2020/05/21 00:39 linux-4.14.y a41ba30d9df2 4afdfa20 .config log report syz C
ci2-linux-4-14 2020/04/15 22:53 linux-4.14.y c10b57a567e4 3f3c5574 .config log report syz C
ci2-linux-4-14 2020/04/09 21:08 linux-4.14.y 4520f06b03ae a8c6a3f8 .config log report syz C
ci2-linux-4-14 2020/04/03 17:58 linux-4.14.y 4520f06b03ae 5ed396e6 .config log report syz C
ci2-linux-4-14 2020/03/22 09:30 linux-4.14.y 01364dad1d45 78267cec .config log report syz C
ci2-linux-4-14 2020/07/12 14:35 linux-4.14.y b850307b279c 115e1930 .config log report
ci2-linux-4-14 2020/07/12 04:08 linux-4.14.y b850307b279c 7ba05d2d .config log report
ci2-linux-4-14 2020/07/11 16:32 linux-4.14.y b850307b279c 7ba05d2d .config log report
ci2-linux-4-14 2020/07/07 11:07 linux-4.14.y b850307b279c 42723355 .config log report
ci2-linux-4-14 2020/06/20 16:46 linux-4.14.y b850307b279c c655ec77 .config log report
ci2-linux-4-14 2020/05/29 19:34 linux-4.14.y 4f68020fef1c bed08304 .config log report
ci2-linux-4-14 2020/05/21 02:20 linux-4.14.y a41ba30d9df2 4afdfa20 .config log report
ci2-linux-4-14 2020/05/15 03:29 linux-4.14.y ab9dfda23248 2d572622 .config log report
ci2-linux-4-14 2020/05/13 06:06 linux-4.14.y ab9dfda23248 a44eb8f7 .config log report
ci2-linux-4-14 2020/05/04 15:50 linux-4.14.y 773e2b1cd56a 58ae5e18 .config log report
ci2-linux-4-14 2020/04/29 06:48 linux-4.14.y 050272a0423e e3ecea2e .config log report
ci2-linux-4-14 2020/04/04 08:36 linux-4.14.y 4520f06b03ae ef26b610 .config log report
ci2-linux-4-14 2020/04/03 21:27 linux-4.14.y 4520f06b03ae 5ed396e6 .config log report
ci2-linux-4-14 2020/03/29 22:18 linux-4.14.y 01364dad1d45 05736b29 .config log report
ci2-linux-4-14 2020/03/24 10:44 linux-4.14.y 01364dad1d45 33e14df3 .config log report
ci2-linux-4-14 2020/03/22 09:06 linux-4.14.y 01364dad1d45 78267cec .config log report