syzbot


BUG: unable to handle kernel paging request in do_csum (2)
Status: fixed on 2020/02/18 14:31
Reported-by: syzbot+@syzkaller.appspotmail.com
Fix commit: 6cd021a5 udp: segment looped gso packets correctly
First crash: 242d, last: 240d

Cause bisection: introduced by (bisect log):

commit cf329aa42b6659204fee865bbce0ea20462552eb
Author: Paolo Abeni <pabeni@redhat.com>
Date: Wed Nov 7 11:38:33 2018 +0000

  udp: cope with UDP GRO packet misdirection

Crash: WARNING in skb_warn_bad_offload (log)
Repro: C syz .config
similar bugs (1):
Kernel Title Repro Bisected Count Last Reported Patched Status
upstream BUG: unable to handle kernel paging request in do_csum C 11 659d 660d 12/17 fixed on 2019/03/06 07:43

Sample crash report:

Crashes (6):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-kasan-gce-root 2020/01/26 08:39 upstream 2821e26f f4e7270e .config log report syz C bp@alien8.de, colin.king@canonical.com, hpa@zytor.com, linux-kernel@vger.kernel.org, mingo@redhat.com, tglx@linutronix.de, x86@kernel.org
ci-upstream-kasan-gce-selinux-root 2020/01/25 21:56 upstream d5d359b0 2e95ab33 .config log report syz C bp@alien8.de, colin.king@canonical.com, hpa@zytor.com, linux-kernel@vger.kernel.org, mingo@redhat.com, tglx@linutronix.de, x86@kernel.org
ci-upstream-kasan-gce 2020/01/24 11:30 upstream 4703d911 2e95ab33 .config log report syz C bp@alien8.de, colin.king@canonical.com, hpa@zytor.com, linux-kernel@vger.kernel.org, mingo@redhat.com, tglx@linutronix.de, x86@kernel.org
ci-upstream-kasan-gce-386 2020/01/24 11:29 upstream 4703d911 2e95ab33 .config log report syz C bp@alien8.de, colin.king@canonical.com, hpa@zytor.com, linux-kernel@vger.kernel.org, mingo@redhat.com, tglx@linutronix.de, x86@kernel.org
ci-upstream-net-this-kasan-gce 2020/01/24 10:46 net 61678d28 2e95ab33 .config log report syz C bp@alien8.de, colin.king@canonical.com, hpa@zytor.com, linux-kernel@vger.kernel.org, mingo@redhat.com, tglx@linutronix.de, x86@kernel.org
ci-upstream-net-kasan-gce 2020/01/24 11:37 net-next 9bbc8be2 2e95ab33 .config log report syz C bp@alien8.de, colin.king@canonical.com, hpa@zytor.com, linux-kernel@vger.kernel.org, mingo@redhat.com, tglx@linutronix.de, x86@kernel.org