syzbot


INFO: task hung in flush_to_ldisc
Status: upstream: reported C repro on 2019/12/06 09:35
Reported-by: syzbot+e199b43b49192126ff69@syzkaller.appspotmail.com
First crash: 78d, last: 7d17h

Cause bisection: the bug happens on the oldest tested release
Crash: INFO: task hung in tty_ldisc_hangup (log)
Repro: C syz .config
similar bugs (2):
Kernel Title Repro Bisected Count Last Reported Patched Status
linux-4.19 INFO: task hung in flush_to_ldisc 10 5d10h 67d 0/1 upstream: reported on 2019/12/16 06:34
linux-4.14 INFO: task hung in flush_to_ldisc 7 3d11h 68d 0/1 upstream: reported on 2019/12/15 22:42

Sample crash report:

Crashes (15):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce-root 2019/12/15 19:14 upstream 07c4b9e9 eef6e580 .config log report syz C gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-smack-root 2020/02/14 07:39 upstream b19e8c68 5d7b90f1 .config log report gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-smack-root 2020/02/12 21:02 upstream f2850dd5 84f4fc8a .config log report gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-smack-root 2020/02/12 15:37 upstream 359c92c0 84f4fc8a .config log report gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-smack-root 2020/02/09 22:59 upstream d1ea35f4 35f5e45e .config log report gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/01/29 09:06 upstream c677124e c8e81ce4 .config log report gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/01/23 15:32 upstream 131701c6 3334d684 .config log report gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/01/22 11:37 upstream d96d875e 8eda0b95 .config log report gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-selinux-root 2019/12/22 13:13 upstream b8e382a1 8b967267 .config log report gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2019/12/18 09:46 upstream 2187f215 f2fe0772 .config log report gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2019/12/16 17:39 upstream 510c9788 b80769fc .config log report gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-selinux-root 2019/12/16 02:43 upstream 07c4b9e9 eef6e580 .config log report gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-selinux-root 2019/12/13 20:47 upstream 37d4e84f 5b2ca5da .config log report gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-selinux-root 2019/12/05 03:36 upstream 63de3747 b2088328 .config log report gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2019/12/17 03:55 linux-next fca4fe89 d13d7958 .config log report gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org