syzbot


possible deadlock in pty_write
Status: upstream: reported C repro on 2020/02/03 21:58
Reported-by: syzbot+3118a33395397bb6b0ca@syzkaller.appspotmail.com
First crash: 16d, last: 16h52m

Cause bisection: introduced by (bisect log):

commit 65b27995a4ab8fc51b4adc6b4dcdca20f7a595bb
Author: Heiner Kallweit <hkallweit1@gmail.com>
Date: Mon Aug 12 21:52:19 2019 +0000

  net: phy: let phy_speed_down/up support speeds >1Gbps

Crash: general protection fault in batadv_iv_ogm_queue_add (log)
Repro: C syz .config
similar bugs (2):
Kernel Title Repro Bisected Count Last Reported Patched Status
linux-4.14 possible deadlock in pty_write C 6 2d02h 16d 0/1 upstream: reported C repro on 2020/02/01 01:19
linux-4.19 possible deadlock in pty_write C 6 1d04h 14d 0/1 upstream: reported C repro on 2020/02/02 11:26

Sample crash report:

Crashes (9):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce-root 2020/02/01 03:01 upstream ccaaaf6f c30117b2 .config log report syz C gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce 2020/02/12 22:23 upstream f2850dd5 84f4fc8a .config log report gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce 2020/02/11 18:08 upstream 0a679e13 4d1ab643 .config log report gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce 2020/02/10 18:50 upstream bb6d3fb3 18847f55 .config log report gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/02/06 11:17 upstream 4c7d00cc 662cf49a .config log report gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce 2020/02/03 14:12 upstream 46d6b7be 93e5e335 .config log report gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/02/01 01:26 upstream ccaaaf6f c30117b2 .config log report gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-386 2020/02/16 16:41 upstream db70e26e cf914200 .config log report gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-386 2020/02/11 00:47 upstream bb6d3fb3 18847f55 .config log report gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org