syzbot


WARNING in inc_nlink (2)
Status: upstream: reported C repro on 2021/04/05 09:25
Reported-by: syzbot+1c8034b9f0e640f9ba45@syzkaller.appspotmail.com
First crash: 19d, last: 10d

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: WARNING in inc_nlink (log)
Repro: C syz .config
similar bugs (5):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 WARNING in inc_nlink (2) C 33 12h11m 172d 0/1 upstream: reported C repro on 2020/11/01 15:25
linux-4.19 WARNING in inc_nlink C done 8 247d 395d 1/1 fixed on 2020/09/18 07:23
linux-4.14 WARNING in inc_nlink C done 21 254d 396d 1/1 fixed on 2020/09/11 09:49
linux-4.14 WARNING in inc_nlink (2) C 30 1d02h 167d 0/1 upstream: reported C repro on 2020/11/06 09:55
upstream WARNING in inc_nlink C done 26 284d 387d 17/22 fixed on 2020/09/16 22:51

Sample crash report:

Crashes (4):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2021/04/09 12:28 upstream 4fa56ad0 6a81331a .config log report syz C WARNING in inc_nlink
ci-upstream-kasan-gce-smack-root 2021/04/04 03:10 upstream 57fbdb15 6a81331a .config log report syz C WARNING in inc_nlink
ci-upstream-kasan-gce-root 2021/04/03 21:47 upstream 57fbdb15 6a81331a .config log report syz C WARNING in inc_nlink
ci-upstream-kasan-gce-root 2021/04/13 02:36 upstream d434405a bfeda1b1 .config log report info WARNING in inc_nlink