syzbot


WARNING in drop_nlink
Status: fixed on 2020/09/16 22:51
Reported-by: syzbot+df958cf5688a96ad3287@syzkaller.appspotmail.com
Fix commit: facb03dd fs/minix: don't allow getting deleted inodes
First crash: 182d, last: 182d

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: WARNING in sysfs_warn_dup (log)
Repro: C syz .config

Fix bisection: failed (bisect log)
similar bugs (2):
Kernel Title Repro Bisected Count Last Reported Patched Status
upstream WARNING in drop_nlink (2) C cause 1 11d 7d17h 0/17 upstream: reported C repro on 2020/10/13 17:02
linux-4.19 WARNING in drop_nlink C 1 13d 13d 0/1 upstream: reported C repro on 2020/10/08 09:54

Sample crash report:

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-kasan-gce-smack-root 2020/04/22 09:10 upstream 189522da 2e44d63e .config log report syz C linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk