syzbot


INFO: task hung in do_truncate (2)
Status: upstream: reported C repro on 2020/06/11 04:48
Reported-by: syzbot+18b2ab4c697021ee8369@syzkaller.appspotmail.com
First crash: 178d, last: 27d

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 (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in do_truncate C 7 747d 911d 0/17 closed as dup on 2018/09/08 15:38

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info
ci-upstream-kasan-gce-root 2020/11/05 02:16 upstream 4ef8451b e6b89e4e .config log report syz C
ci-upstream-kasan-gce-root 2020/10/06 01:47 upstream 7575fdda e6b89e4e .config log report syz C
ci-upstream-kasan-gce-root 2020/08/26 05:16 upstream 2ac69819 e6b89e4e .config log report syz C
ci-upstream-kasan-gce-root 2020/07/26 08:00 upstream 04300d66 e6b89e4e .config log report syz C
Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-kasan-gce-root 2020/06/07 04:44 upstream 7ae77150 e6b89e4e .config log report syz C linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk