syzbot


BUG: unable to handle kernel paging request in syscall_return_slowpath
Status: upstream: reported C repro on 2020/05/04 10:54
Reported-by: syzbot+3231e7d48f1538976553@syzkaller.appspotmail.com
First crash: 100d, last: 17d

Cause bisection: the bug happens on the oldest tested release
Crash: WARNING in sysfs_warn_dup (log)
Repro: C syz .config
Patch testing requests:
Created Duration User Patch Repo Result
2020/08/02 03:02 14m rkovhaev@gmail.com upstream report log
2020/07/28 07:08 14m rkovhaev@gmail.com upstream report log
2020/07/15 05:14 9m rkovhaev@gmail.com upstream report log
2020/07/14 06:20 9m rkovhaev@gmail.com upstream report log

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro
ci-upstream-kasan-gce-smack-root 2020/07/26 03:29 upstream 04300d66 58ae5e18 .config log syz C
ci-upstream-kasan-gce-smack-root 2020/06/02 19:45 upstream f3592877 58ae5e18 .config log report syz C
Crashes (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce-smack-root 2020/05/03 18:55 upstream f66ed1eb 58ae5e18 .config log report syz C bp@alien8.de, hpa@zytor.com, linux-kernel@vger.kernel.org, luto@kernel.org, mingo@redhat.com, tglx@linutronix.de, x86@kernel.org
ci-upstream-kasan-gce-smack-root 2020/05/03 15:42 upstream f66ed1eb 58ae5e18 .config log report bp@alien8.de, hpa@zytor.com, linux-kernel@vger.kernel.org, luto@kernel.org, mingo@redhat.com, tglx@linutronix.de, x86@kernel.org