syzbot


KASAN: user-memory-access Read in insert_char
Status: upstream: reported C repro on 2019/12/10 16:38
Reported-by: syzbot+6ff38b320aa51ebe17e6@syzkaller.appspotmail.com
First crash: 170d, last: 30d

Cause bisection: the bug happens on the oldest tested release
Crash: general protection fault in insert_char (log)
Repro: C syz .config

Fix bisection: failed (bisect log)
similar bugs (2):
Kernel Title Repro Bisected Count Last Reported Patched Status
linux-4.19 KASAN: user-memory-access Read in insert_char C 2 17d 170d 0/1 upstream: reported C repro on 2019/12/10 18:16
linux-4.14 KASAN: user-memory-access Read in insert_char C 1 20d 170d 0/1 upstream: reported C repro on 2019/12/10 18:41

Sample crash report:

Crashes (12):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce-selinux-root 2019/12/11 13:28 upstream 6794862a 101194eb .config log report syz C daniel.vetter@ffwll.ch, ghalat@redhat.com, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org, textshell@uchuujin.de
ci-upstream-kasan-gce-root 2019/12/11 07:24 upstream 6794862a 101194eb .config log report syz C daniel.vetter@ffwll.ch, ghalat@redhat.com, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org, textshell@uchuujin.de
ci-upstream-kasan-gce 2019/12/10 17:59 upstream 6794862a 5a5826a1 .config log report syz C daniel.vetter@ffwll.ch, ghalat@redhat.com, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org, textshell@uchuujin.de
ci-upstream-linux-next-kasan-gce-root 2019/12/23 14:58 linux-next 7ddd09fc be5c2c81 .config log report syz C daniel.vetter@ffwll.ch, ghalat@redhat.com, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org, textshell@uchuujin.de
ci-upstream-kasan-gce 2020/04/28 19:55 upstream 3f777e19 e3ecea2e .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce-root 2020/01/16 13:17 upstream f5ae2ea6 3de7aabb .config log report daniel.vetter@ffwll.ch, ghalat@redhat.com, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org, textshell@uchuujin.de
ci-upstream-kasan-gce-root 2020/01/14 20:14 upstream e033e7d4 fa12bd3c .config log report daniel.vetter@ffwll.ch, ghalat@redhat.com, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org, textshell@uchuujin.de
ci-upstream-kasan-gce 2019/12/17 17:20 upstream ea200dec a6bc9c88 .config log report daniel.vetter@ffwll.ch, ghalat@redhat.com, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org, textshell@uchuujin.de
ci-upstream-kasan-gce 2019/12/16 17:24 upstream 510c9788 b80769fc .config log report daniel.vetter@ffwll.ch, ghalat@redhat.com, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org, textshell@uchuujin.de
ci-upstream-kasan-gce 2019/12/14 09:54 upstream e31736d9 eef6e580 .config log report daniel.vetter@ffwll.ch, ghalat@redhat.com, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org, textshell@uchuujin.de
ci-upstream-kasan-gce 2019/12/14 09:34 upstream e31736d9 eef6e580 .config log report daniel.vetter@ffwll.ch, ghalat@redhat.com, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org, textshell@uchuujin.de
ci-upstream-kasan-gce 2019/12/10 15:37 upstream 6794862a 5a5826a1 .config log report daniel.vetter@ffwll.ch, ghalat@redhat.com, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org, textshell@uchuujin.de