syzbot


KASAN: vmalloc-out-of-bounds Write in lzo_uncompress
Status: upstream: reported C repro on 2021/01/13 10:37
Reported-by: syzbot+6fba78f99b9afd4b5634@syzkaller.appspotmail.com
First crash: 13d, last: 11d

Cause bisection: introduced by (bisect log) :
commit 93e72b3c612adcaca13d874fcc86c53e6c8da541
Author: Philippe Liard <pliard@google.com>
Date: Tue Jun 2 04:45:23 2020 +0000

  squashfs: migrate from ll_rw_block usage to BIO

Crash: KASAN: vmalloc-out-of-bounds Write in lzo_uncompress (log)
Repro: C syz .config

Sample crash report:

Crashes (7):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-kasan-gce-selinux-root 2021/01/12 07:34 upstream a0d54b4f 2c1f2513 .config log report syz C linux-kernel@vger.kernel.org, phillip@squashfs.org.uk
ci-upstream-kasan-gce-smack-root 2021/01/14 07:30 upstream 65f0d241 269d24e8 .config log report info linux-kernel@vger.kernel.org, phillip@squashfs.org.uk
ci-upstream-kasan-gce-selinux-root 2021/01/14 07:26 upstream 65f0d241 269d24e8 .config log report info linux-kernel@vger.kernel.org, phillip@squashfs.org.uk
ci-upstream-kasan-gce-smack-root 2021/01/14 07:21 upstream 65f0d241 269d24e8 .config log report info linux-kernel@vger.kernel.org, phillip@squashfs.org.uk
ci-upstream-kasan-gce-root 2021/01/13 22:47 upstream e609571b a945f0a3 .config log report info linux-kernel@vger.kernel.org, phillip@squashfs.org.uk
ci-upstream-kasan-gce-selinux-root 2021/01/12 07:14 upstream a0d54b4f 2c1f2513 .config log report info linux-kernel@vger.kernel.org, phillip@squashfs.org.uk
ci-upstream-linux-next-kasan-gce-root 2021/01/14 07:21 linux-next aa515cdc 269d24e8 .config log report info linux-kernel@vger.kernel.org, phillip@squashfs.org.uk