syzbot


general protection fault in open_xa_dir
Status: upstream: reported C repro on 2020/09/30 12:39
Reported-by: syzbot+9b33c9b118d77ff59b6f@syzkaller.appspotmail.com
Fix commit: c2bb80b8 reiserfs: Fix oops during mount
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: 26d, last: 14d

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: WARNING in sysfs_warn_dup (log)
Repro: C syz .config
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 general protection fault in open_xa_dir C done 1 34d 34d 1/1 fixed on 2020/10/22 20:19
linux-4.19 general protection fault in open_xa_dir C 1 26d 26d 0/1 upstream: reported C repro on 2020/09/30 05:05
Patch testing requests:
Created Duration User Patch Repo Result
2020/09/30 21:09 16m anmol.karan123@gmail.com patch upstream OK
2020/09/30 18:40 17m anmol.karan123@gmail.com patch upstream OK

Sample crash report:

Crashes (3):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-kasan-gce-root 2020/10/12 04:39 upstream 3dd0130f 4a77ae0b .config log report syz C jack@suse.cz, jeffm@suse.com, linux-kernel@vger.kernel.org, reiserfs-devel@vger.kernel.org
ci-upstream-kasan-gce-selinux-root 2020/10/11 07:50 upstream da690031 4a77ae0b .config log report syz C jack@suse.cz, jeffm@suse.com, linux-kernel@vger.kernel.org, reiserfs-devel@vger.kernel.org
ci-upstream-kasan-gce-smack-root 2020/09/30 01:12 upstream ccc1d052 5abc3f1a .config log report syz C jack@suse.cz, jeffm@suse.com, linux-kernel@vger.kernel.org, reiserfs-devel@vger.kernel.org