syzbot


INFO: trying to register non-static key in exfat_cache_inval_inode
Status: upstream: reported C repro on 2020/09/28 07:27
Reported-by: syzbot+b91107320911a26c9a95@syzkaller.appspotmail.com
Fix commit: 8ff006e5 exfat: fix use of uninitialized spinlock on error path
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: 30d, last: 21d

Cause bisection: the cause commit could be any of (bisect log):
  88ab55f16aae MAINTAINERS: add exfat filesystem
  1a3c0509ce83 staging: exfat: make staging/exfat and fs/exfat mutually exclusive
  b9d1e2e6265f exfat: add Kconfig and Makefile
  9acd0d53800c exfat: update file system parameter handling

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 2020/10/04 20:36 upstream 22fbc037 5ef9c291 .config log report syz C linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, namjae.jeon@samsung.com, sj1557.seo@samsung.com
ci-upstream-kasan-gce-smack-root 2020/09/26 00:18 upstream 171d4ff7 4a006f63 .config log report syz C linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, namjae.jeon@samsung.com, sj1557.seo@samsung.com
ci-upstream-kasan-gce-selinux-root 2020/09/26 03:53 upstream 171d4ff7 4a006f63 .config log report info linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, namjae.jeon@samsung.com, sj1557.seo@samsung.com
ci-qemu-upstream-386 2020/10/04 01:50 upstream 22fbc037 1a3f9408 .config log report info linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, namjae.jeon@samsung.com, sj1557.seo@samsung.com