syzbot


WARNING in drop_nlink (2)
Status: upstream: reported C repro on 2020/10/13 17:02
Reported-by: syzbot+651ca866e5e2b4b5095b@syzkaller.appspotmail.com
First crash: 142d, last: 44d

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: WARNING in sysfs_warn_dup (log)
Repro: C syz .config
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 WARNING in drop_nlink C 2 18d 143d 0/1 upstream: reported C repro on 2020/10/08 09:54
upstream WARNING in drop_nlink C done error 1 312d 308d 17/21 fixed on 2020/09/16 22:51

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2021/01/15 23:16 upstream 82821be8 d81b165e .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/12/16 08:46 upstream 706451d4 d81b165e .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/11/08 23:09 upstream 15f5d201 d81b165e .config log report syz C
Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2020/10/09 16:56 upstream 583090b1 d81b165e .config log report syz C