syzbot


WARNING in snd_info_get_line
Status: upstream: reported C repro on 2020/07/17 07:50
Reported-by: syzbot+e42d0746c3c3699b6061@syzkaller.appspotmail.com
Fix commit: 60379ba0 ALSA: info: Drop WARN_ON() from buffer NULL sanity check
Patched on: [ci-qemu-upstream ci-qemu-upstream-386 ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-gce-leak ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-linux-next-kasan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-kcsan-gce ci2-upstream-usb], missing on: [ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386]
First crash: 25d, last: 20d

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-4.19 WARNING in snd_info_get_line C 23 13d 26d 0/1 upstream: reported C repro on 2020/07/16 13:18
linux-4.14 WARNING in snd_info_get_line C 23 13d 26d 0/1 upstream: reported C repro on 2020/07/16 16:52

Sample crash report:

Crashes (36):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce-smack-root 2020/07/17 06:38 upstream f8456690 54b3c45e .config log report syz C adobriyan@gmail.com, akpm@linux-foundation.org, alsa-devel@alsa-project.org, colin.king@canonical.com, linux-kernel@vger.kernel.org, perex@perex.cz, sfr@canb.auug.org.au, tiwai@suse.com
ci-upstream-kasan-gce-selinux-root 2020/07/17 06:34 upstream f8456690 54b3c45e .config log report syz C adobriyan@gmail.com, akpm@linux-foundation.org, alsa-devel@alsa-project.org, colin.king@canonical.com, linux-kernel@vger.kernel.org, perex@perex.cz, sfr@canb.auug.org.au, tiwai@suse.com
ci-upstream-kasan-gce-root 2020/07/17 03:24 upstream f8456690 54b3c45e .config log report syz C adobriyan@gmail.com, akpm@linux-foundation.org, alsa-devel@alsa-project.org, colin.king@canonical.com, linux-kernel@vger.kernel.org, perex@perex.cz, sfr@canb.auug.org.au, tiwai@suse.com
ci-upstream-kasan-gce-selinux-root 2020/07/17 02:59 upstream f8456690 54b3c45e .config log report syz C adobriyan@gmail.com, akpm@linux-foundation.org, alsa-devel@alsa-project.org, colin.king@canonical.com, linux-kernel@vger.kernel.org, perex@perex.cz, sfr@canb.auug.org.au, tiwai@suse.com
ci-upstream-kasan-gce 2020/07/22 15:08 upstream 4fa640dc 128cd85f .config log report adobriyan@gmail.com, akpm@linux-foundation.org, alsa-devel@alsa-project.org, colin.king@canonical.com, linux-kernel@vger.kernel.org, perex@perex.cz, sfr@canb.auug.org.au, tiwai@suse.com
ci-upstream-kasan-gce-smack-root 2020/07/21 22:39 upstream 4fa640dc 21f1765e .config log report adobriyan@gmail.com, akpm@linux-foundation.org, alsa-devel@alsa-project.org, colin.king@canonical.com, linux-kernel@vger.kernel.org, perex@perex.cz, sfr@canb.auug.org.au, tiwai@suse.com
ci-upstream-kasan-gce-selinux-root 2020/07/21 22:25 upstream 4fa640dc 21f1765e .config log report adobriyan@gmail.com, akpm@linux-foundation.org, alsa-devel@alsa-project.org, colin.king@canonical.com, linux-kernel@vger.kernel.org, perex@perex.cz, sfr@canb.auug.org.au, tiwai@suse.com
ci-upstream-kasan-gce-root 2020/07/21 22:23 upstream 4fa640dc 21f1765e .config log report adobriyan@gmail.com, akpm@linux-foundation.org, alsa-devel@alsa-project.org, colin.king@canonical.com, linux-kernel@vger.kernel.org, perex@perex.cz, sfr@canb.auug.org.au, tiwai@suse.com
ci-upstream-kasan-gce-root 2020/07/21 22:23 upstream 4fa640dc 21f1765e .config log report adobriyan@gmail.com, akpm@linux-foundation.org, alsa-devel@alsa-project.org, colin.king@canonical.com, linux-kernel@vger.kernel.org, perex@perex.cz, sfr@canb.auug.org.au, tiwai@suse.com
ci-upstream-kasan-gce 2020/07/21 22:15 upstream 4fa640dc 21f1765e .config log report adobriyan@gmail.com, akpm@linux-foundation.org, alsa-devel@alsa-project.org, colin.king@canonical.com, linux-kernel@vger.kernel.org, perex@perex.cz, sfr@canb.auug.org.au, tiwai@suse.com
ci-upstream-kasan-gce 2020/07/21 22:15 upstream 4fa640dc 21f1765e .config log report adobriyan@gmail.com, akpm@linux-foundation.org, alsa-devel@alsa-project.org, colin.king@canonical.com, linux-kernel@vger.kernel.org, perex@perex.cz, sfr@canb.auug.org.au, tiwai@suse.com
ci-upstream-kasan-gce 2020/07/21 22:15 upstream 4fa640dc 21f1765e .config log report adobriyan@gmail.com, akpm@linux-foundation.org, alsa-devel@alsa-project.org, colin.king@canonical.com, linux-kernel@vger.kernel.org, perex@perex.cz, sfr@canb.auug.org.au, tiwai@suse.com
ci-upstream-kasan-gce-smack-root 2020/07/21 13:00 upstream 4fa640dc d88894e6 .config log report adobriyan@gmail.com, akpm@linux-foundation.org, alsa-devel@alsa-project.org, colin.king@canonical.com, linux-kernel@vger.kernel.org, perex@perex.cz, sfr@canb.auug.org.au, tiwai@suse.com
ci-upstream-kasan-gce-selinux-root 2020/07/19 19:57 upstream f932d58a 9c812472 .config log report adobriyan@gmail.com, akpm@linux-foundation.org, alsa-devel@alsa-project.org, colin.king@canonical.com, linux-kernel@vger.kernel.org, perex@perex.cz, sfr@canb.auug.org.au, tiwai@suse.com
ci-upstream-kasan-gce-smack-root 2020/07/19 19:42 upstream f932d58a 9c812472 .config log report adobriyan@gmail.com, akpm@linux-foundation.org, alsa-devel@alsa-project.org, colin.king@canonical.com, linux-kernel@vger.kernel.org, perex@perex.cz, sfr@canb.auug.org.au, tiwai@suse.com
ci-upstream-kasan-gce-smack-root 2020/07/19 19:40 upstream f932d58a 9c812472 .config log report adobriyan@gmail.com, akpm@linux-foundation.org, alsa-devel@alsa-project.org, colin.king@canonical.com, linux-kernel@vger.kernel.org, perex@perex.cz, sfr@canb.auug.org.au, tiwai@suse.com
ci-upstream-kasan-gce-selinux-root 2020/07/19 19:38 upstream f932d58a 9c812472 .config log report adobriyan@gmail.com, akpm@linux-foundation.org, alsa-devel@alsa-project.org, colin.king@canonical.com, linux-kernel@vger.kernel.org, perex@perex.cz, sfr@canb.auug.org.au, tiwai@suse.com
ci-upstream-kasan-gce 2020/07/19 19:34 upstream f932d58a 9c812472 .config log report adobriyan@gmail.com, akpm@linux-foundation.org, alsa-devel@alsa-project.org, colin.king@canonical.com, linux-kernel@vger.kernel.org, perex@perex.cz, sfr@canb.auug.org.au, tiwai@suse.com
ci-upstream-kasan-gce 2020/07/19 19:28 upstream f932d58a 9c812472 .config log report adobriyan@gmail.com, akpm@linux-foundation.org, alsa-devel@alsa-project.org, colin.king@canonical.com, linux-kernel@vger.kernel.org, perex@perex.cz, sfr@canb.auug.org.au, tiwai@suse.com
ci-upstream-kasan-gce-selinux-root 2020/07/19 03:34 upstream 6a70f89c 9c812472 .config log report adobriyan@gmail.com, akpm@linux-foundation.org, alsa-devel@alsa-project.org, colin.king@canonical.com, linux-kernel@vger.kernel.org, perex@perex.cz, sfr@canb.auug.org.au, tiwai@suse.com
ci-upstream-kasan-gce-root 2020/07/18 22:21 upstream 6a70f89c 9c812472 .config log report adobriyan@gmail.com, akpm@linux-foundation.org, alsa-devel@alsa-project.org, colin.king@canonical.com, linux-kernel@vger.kernel.org, perex@perex.cz, sfr@canb.auug.org.au, tiwai@suse.com
ci-upstream-kasan-gce-selinux-root 2020/07/18 10:04 upstream 88825726 9c812472 .config log report adobriyan@gmail.com, akpm@linux-foundation.org, alsa-devel@alsa-project.org, colin.king@canonical.com, linux-kernel@vger.kernel.org, perex@perex.cz, sfr@canb.auug.org.au, tiwai@suse.com
ci-upstream-kasan-gce-smack-root 2020/07/17 06:17 upstream f8456690 54b3c45e .config log report adobriyan@gmail.com, akpm@linux-foundation.org, alsa-devel@alsa-project.org, colin.king@canonical.com, linux-kernel@vger.kernel.org, perex@perex.cz, sfr@canb.auug.org.au, tiwai@suse.com
ci-upstream-kasan-gce 2020/07/17 06:12 upstream f8456690 54b3c45e .config log report adobriyan@gmail.com, akpm@linux-foundation.org, alsa-devel@alsa-project.org, colin.king@canonical.com, linux-kernel@vger.kernel.org, perex@perex.cz, sfr@canb.auug.org.au, tiwai@suse.com
ci-qemu-upstream 2020/07/17 06:02 upstream 07a56bb8 54b3c45e .config log report adobriyan@gmail.com, akpm@linux-foundation.org, alsa-devel@alsa-project.org, colin.king@canonical.com, linux-kernel@vger.kernel.org, perex@perex.cz, sfr@canb.auug.org.au, tiwai@suse.com
ci-upstream-kasan-gce-root 2020/07/17 06:02 upstream f8456690 54b3c45e .config log report adobriyan@gmail.com, akpm@linux-foundation.org, alsa-devel@alsa-project.org, colin.king@canonical.com, linux-kernel@vger.kernel.org, perex@perex.cz, sfr@canb.auug.org.au, tiwai@suse.com
ci-upstream-kasan-gce-386 2020/07/21 23:03 upstream 4fa640dc 21f1765e .config log report adobriyan@gmail.com, akpm@linux-foundation.org, alsa-devel@alsa-project.org, colin.king@canonical.com, linux-kernel@vger.kernel.org, perex@perex.cz, sfr@canb.auug.org.au, tiwai@suse.com
ci-upstream-kasan-gce-386 2020/07/21 22:51 upstream 4fa640dc 21f1765e .config log report adobriyan@gmail.com, akpm@linux-foundation.org, alsa-devel@alsa-project.org, colin.king@canonical.com, linux-kernel@vger.kernel.org, perex@perex.cz, sfr@canb.auug.org.au, tiwai@suse.com
ci-upstream-kasan-gce-386 2020/07/21 22:20 upstream 4fa640dc 21f1765e .config log report adobriyan@gmail.com, akpm@linux-foundation.org, alsa-devel@alsa-project.org, colin.king@canonical.com, linux-kernel@vger.kernel.org, perex@perex.cz, sfr@canb.auug.org.au, tiwai@suse.com
ci-upstream-kasan-gce-386 2020/07/18 03:50 upstream 88825726 9c812472 .config log report adobriyan@gmail.com, akpm@linux-foundation.org, alsa-devel@alsa-project.org, colin.king@canonical.com, linux-kernel@vger.kernel.org, perex@perex.cz, sfr@canb.auug.org.au, tiwai@suse.com
ci-upstream-kasan-gce-386 2020/07/17 06:05 upstream f8456690 54b3c45e .config log report adobriyan@gmail.com, akpm@linux-foundation.org, alsa-devel@alsa-project.org, colin.king@canonical.com, linux-kernel@vger.kernel.org, perex@perex.cz, sfr@canb.auug.org.au, tiwai@suse.com
ci-qemu-upstream-386 2020/07/17 06:03 upstream 07a56bb8 54b3c45e .config log report adobriyan@gmail.com, akpm@linux-foundation.org, alsa-devel@alsa-project.org, colin.king@canonical.com, linux-kernel@vger.kernel.org, perex@perex.cz, sfr@canb.auug.org.au, tiwai@suse.com
ci-upstream-linux-next-kasan-gce-root 2020/07/20 06:20 linux-next 4c43049f 9c812472 .config log report adobriyan@gmail.com, akpm@linux-foundation.org, alsa-devel@alsa-project.org, colin.king@canonical.com, linux-kernel@vger.kernel.org, perex@perex.cz, sfr@canb.auug.org.au, tiwai@suse.com
ci-upstream-linux-next-kasan-gce-root 2020/07/19 19:36 linux-next 4c43049f 9c812472 .config log report adobriyan@gmail.com, akpm@linux-foundation.org, alsa-devel@alsa-project.org, colin.king@canonical.com, linux-kernel@vger.kernel.org, perex@perex.cz, sfr@canb.auug.org.au, tiwai@suse.com
ci-upstream-linux-next-kasan-gce-root 2020/07/19 07:41 linux-next 4c43049f 9c812472 .config log report adobriyan@gmail.com, akpm@linux-foundation.org, alsa-devel@alsa-project.org, colin.king@canonical.com, linux-kernel@vger.kernel.org, perex@perex.cz, sfr@canb.auug.org.au, tiwai@suse.com
ci-upstream-linux-next-kasan-gce-root 2020/07/17 06:18 linux-next 4c43049f 54b3c45e .config log report adobriyan@gmail.com, akpm@linux-foundation.org, alsa-devel@alsa-project.org, colin.king@canonical.com, linux-kernel@vger.kernel.org, perex@perex.cz, sfr@canb.auug.org.au, tiwai@suse.com