syzbot


KASAN: use-after-free Read in get_block
Status: upstream: reported C repro on 2020/04/26 08:58
Reported-by: syzbot+3b7b03a0c28948054fb5@syzkaller.appspotmail.com
First crash: 41d, last: 9d13h

Cause bisection: the bug happens on the oldest tested release
Crash: WARNING in sysfs_warn_dup (log)
Repro: C syz .config
similar bugs (2):
Kernel Title Repro Bisected Count Last Reported Patched Status
linux-4.14 KASAN: use-after-free Read in get_block C 5 23d 55d 0/1 upstream: reported C repro on 2020/04/08 21:22
linux-4.19 KASAN: use-after-free Read in get_block C 5 14d 62d 0/1 upstream: reported C repro on 2020/04/02 02:00

Sample crash report:

Crashes (9):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce-root 2020/05/24 13:30 upstream 423b8baf 96c92ad3 .config log report syz C deepa.kernel@gmail.com, dvlasenk@redhat.com, gregkh@linuxfoundation.org, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-selinux-root 2020/05/24 11:57 upstream 423b8baf 96c92ad3 .config log report syz C danarag@gmail.com, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, pombredanne@nexb.com, tglx@linutronix.de, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2020/05/23 18:35 upstream 44456565 9682898d .config log report syz C gregkh@linuxfoundation.org, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, pombredanne@nexb.com, tglx@linutronix.de, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-selinux-root 2020/05/15 20:11 upstream 1ae7efb3 d7f9fffa .config log report syz C deepa.kernel@gmail.com, dvlasenk@redhat.com, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, pombredanne@nexb.com, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2020/05/15 01:34 upstream 8c1684bb 2d572622 .config log report syz C aeb@cwi.nl, akpm@linux-foundation.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-selinux-root 2020/04/22 08:51 upstream 189522da 2e44d63e .config log report syz C danarag@gmail.com, deepa.kernel@gmail.com, dvlasenk@redhat.com, linux-kernel@vger.kernel.org, pombredanne@nexb.com, viro@zeniv.linux.org.uk
ci-upstream-linux-next-kasan-gce-root 2020/05/21 03:00 linux-next ac935d22 c61086ab .config log report syz C aeb@cwi.nl, danarag@gmail.com, deepa.kernel@gmail.com, dvlasenk@redhat.com, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-linux-next-kasan-gce-root 2020/05/14 13:19 linux-next ac935d22 2d572622 .config log report syz C akpm@linux-foundation.org, deepa.kernel@gmail.com, jack@suse.cz, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-linux-next-kasan-gce-root 2020/04/23 13:50 linux-next ac935d22 2e44d63e .config log report syz C akpm@linux-foundation.org, deepa.kernel@gmail.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de, viro@zeniv.linux.org.uk