syzbot


WARNING in snd_info_get_line
Status: fixed on 2020/08/28 16:06
Reported-by: syzbot+4db5df155d3adf0981b9@syzkaller.appspotmail.com
Fix commit: 0c9d4b18 ALSA: info: Drop WARN_ON() from buffer NULL sanity check
First crash: 96d, last: 84d

Fix bisection: fixed by (bisect log):

commit 0c9d4b18bb8af4fa94e8db5fa4f465bdc2dbaddd
Author: Takashi Iwai <tiwai@suse.de>
Date: Fri Jul 17 08:40:23 2020 +0000

  ALSA: info: Drop WARN_ON() from buffer NULL sanity check

similar bugs (2):
Kernel Title Repro Bisected Count Last Reported Patched Status
upstream WARNING in snd_info_get_line C cause 36 90d 96d 17/17 fixed on 2020/09/16 22:51
linux-4.14 WARNING in snd_info_get_line C fix 23 84d 96d 0/1 upstream: reported C repro on 2020/07/16 16:52

Sample crash report:

Crashes (23):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci2-linux-4-19 2020/07/16 17:18 linux-4.19.y 17a87580 b090c643 .config log report syz C alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com
ci2-linux-4-19 2020/07/16 13:17 linux-4.19.y 17a87580 b090c643 .config log report syz C alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com
ci2-linux-4-19 2020/07/29 03:44 linux-4.19.y 20b3a3df cb93dc6a .config log report alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com
ci2-linux-4-19 2020/07/29 01:20 linux-4.19.y 20b3a3df cb93dc6a .config log report alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com
ci2-linux-4-19 2020/07/28 22:40 linux-4.19.y 20b3a3df cb93dc6a .config log report alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com
ci2-linux-4-19 2020/07/28 02:15 linux-4.19.y 20b3a3df cb93dc6a .config log report alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com
ci2-linux-4-19 2020/07/28 02:09 linux-4.19.y 20b3a3df cb93dc6a .config log report alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com
ci2-linux-4-19 2020/07/27 20:27 linux-4.19.y 20b3a3df cb93dc6a .config log report alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com
ci2-linux-4-19 2020/07/27 15:43 linux-4.19.y 20b3a3df cb93dc6a .config log report alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com
ci2-linux-4-19 2020/07/26 07:56 linux-4.19.y 20b3a3df 1f7cc1ca .config log report alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com
ci2-linux-4-19 2020/07/26 07:53 linux-4.19.y 20b3a3df 1f7cc1ca .config log report alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com
ci2-linux-4-19 2020/07/23 23:59 linux-4.19.y 20b3a3df 70c104a1 .config log report alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com
ci2-linux-4-19 2020/07/23 07:30 linux-4.19.y 20b3a3df 340ea530 .config log report alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com
ci2-linux-4-19 2020/07/21 22:23 linux-4.19.y 17a87580 e562dd8a .config log report alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com
ci2-linux-4-19 2020/07/21 22:23 linux-4.19.y 17a87580 e562dd8a .config log report alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com
ci2-linux-4-19 2020/07/21 22:23 linux-4.19.y 17a87580 e562dd8a .config log report alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com
ci2-linux-4-19 2020/07/21 12:54 linux-4.19.y 17a87580 d88894e6 .config log report alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com
ci2-linux-4-19 2020/07/19 19:34 linux-4.19.y 17a87580 9c812472 .config log report alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com
ci2-linux-4-19 2020/07/18 23:06 linux-4.19.y 17a87580 9c812472 .config log report alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com
ci2-linux-4-19 2020/07/18 06:31 linux-4.19.y 17a87580 9c812472 .config log report alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com
ci2-linux-4-19 2020/07/17 18:56 linux-4.19.y 17a87580 9c812472 .config log report alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com
ci2-linux-4-19 2020/07/17 06:02 linux-4.19.y 17a87580 54b3c45e .config log report alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com
ci2-linux-4-19 2020/07/16 16:56 linux-4.19.y 17a87580 b090c643 .config log report alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com