syzbot


kmsan boot error: KMSAN: uninit-value in proc_task_name
Status: upstream: reported on 2019/12/05 05:45
Reported-by: syzbot+c0d17fd100b00692b701@syzkaller.appspotmail.com
Fix commit: kmsan: disable strscpy() optimization under KMSAN
Patched on: [ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386], missing 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]
First crash: 178d, last: 178d

Sample crash report:

Crashes (3):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kmsan-gce 2019/12/02 22:21 https://github.com/google/kmsan.git master 818fcf71 ab342da3 .config log report adobriyan@gmail.com, akpm@linux-foundation.org, bigeasy@linutronix.de, john.ogness@linutronix.de, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, mhocko@suse.com, mingo@kernel.org, vbabka@suse.cz
ci-upstream-kmsan-gce 2019/12/02 22:21 https://github.com/google/kmsan.git master 818fcf71 ab342da3 .config log report adobriyan@gmail.com, akpm@linux-foundation.org, bigeasy@linutronix.de, john.ogness@linutronix.de, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, mhocko@suse.com, mingo@kernel.org
ci-upstream-kmsan-gce 2019/12/02 22:21 https://github.com/google/kmsan.git master 818fcf71 ab342da3 .config log report adobriyan@gmail.com, akpm@linux-foundation.org, bigeasy@linutronix.de, john.ogness@linutronix.de, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, mhocko@suse.com, peterz@infradead.org