syzbot


[upstream] KASAN: slab-out-of-bounds Write in default_read_copy_kernel
Status: upstream: reported C repro on 2018/12/10 04:51
Reported-by: syzbot+12f17c177de05efea72d@syzkaller.appspotmail.com
First crash: 109d, last: 29d

Bisection: introduced by (bisect log):

commit 65766ee0bf7fe8b3be80e2e1c3ef54ad59b29476
Author: Takashi Iwai <tiwai@suse.de>
Date: Fri Nov 9 10:59:45 2018 +0000

  ALSA: oss: Use kvzalloc() for local buffer allocations

Tree: upstream
Crash: KASAN: slab-out-of-bounds Write in default_read_copy_kernel (log)
Repro: C syz .config

Sample crash report:

All crashes (3):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce 2018/12/07 07:38 upstream abb8d6ec dcf836b1 .config log report syz C alsa-devel@alsa-project.org, liam.r.girdwood@linux.intel.com, linux-kernel@vger.kernel.org, o-takashi@sakamocchi.jp, pasqualirb@gmail.com, perex@perex.cz, tiwai@suse.com, twischer@de.adit-jv.com
ci-upstream-kasan-gce 2018/12/07 06:36 upstream abb8d6ec dcf836b1 .config log report alsa-devel@alsa-project.org, liam.r.girdwood@linux.intel.com, linux-kernel@vger.kernel.org, o-takashi@sakamocchi.jp, pasqualirb@gmail.com, perex@perex.cz, tiwai@suse.com, twischer@de.adit-jv.com
ci-upstream-kasan-gce-smack-root 2019/02/24 15:38 upstream e60b5f79 7a06e792 .config log report alsa-devel@alsa-project.org, liam.r.girdwood@linux.intel.com, linux-kernel@vger.kernel.org, o-takashi@sakamocchi.jp, pasqualirb@gmail.com, perex@perex.cz, tiwai@suse.com, twischer@de.adit-jv.com