syzbot


WARNING in snd_pcm_plugin_build_mulaw
Status: fixed on 2020/09/25 01:17
Reported-by: syzbot+23b22dc2e0b81cbfcc95@syzkaller.appspotmail.com
Fix commit: 949a1ebe ALSA: pcm: oss: Remove superfluous WARN_ON() for mulaw sanity check
First crash: 31d, last: 30d

Cause bisection: introduced by (bisect log):

commit f3ca3f5b0966cfc2737178cca8a7a65b09991898
Author: Fabio Estevam <festevam@gmail.com>
Date: Fri Mar 27 15:57:21 2020 +0000

  dt-bindings: sound: cs42l51: Remove unneeded I2C unit name

Crash: WARNING in snd_pcm_plugin_build_mulaw (log)
Repro: C syz .config
similar bugs (1):
Kernel Title Repro Bisected Count Last Reported Patched Status
linux-4.19 WARNING in snd_pcm_plugin_build_mulaw C 2 21d 31d 0/1 upstream: reported C repro on 2020/08/28 08:43

Sample crash report:

Crashes (4):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-kasan-gce-root 2020/08/28 21:43 upstream 15bc20c6 d5a3ae1f .config log report syz C alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com
ci-upstream-kasan-gce 2020/08/28 21:41 upstream 15bc20c6 d5a3ae1f .config log report syz C alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com
ci-upstream-kasan-gce-smack-root 2020/08/28 10:00 upstream 15bc20c6 816e0689 .config log report syz C alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com
ci-upstream-linux-next-kasan-gce-root 2020/08/29 13:00 linux-next b36c9697 d5a3ae1f .config log report syz C alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com