syzbot


KASAN: use-after-free Read in lockref_get
Status: upstream: reported on 2020/02/26 07:00
Reported-by: syzbot+603294af2d01acfdd6da@syzkaller.appspotmail.com
Fix commit: bad8e64f blktrace: fix debugfs use after free
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: 166d, last: 67d
duplicates (2):
Title Repro Bisected Count Last Reported Patched Status
general protection fault in simple_recursive_removal 2 158d 213d 0/17 closed as dup on 2020/06/28 17:09
KASAN: use-after-free Read in debugfs_remove (3) C cause+fix 88 204d 670d 0/17 closed as dup on 2020/06/28 17:08

Sample crash report:

Crashes (7):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce-root 2020/06/04 20:45 upstream acf25aa6 6720fdef .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce 2020/04/26 18:46 upstream b2768df2 0ce7569e .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce 2020/03/25 13:42 upstream 76ccd234 41f049cc .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2020/03/22 17:16 upstream b74b991f 78267cec .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2020/03/21 20:39 upstream 5ad0ec0b 4288d95e .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce 2020/02/26 03:02 upstream f8788d86 59b57593 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-linux-next-kasan-gce-root 2020/05/02 15:09 linux-next ac935d22 58da4c35 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk