syzbot


BUG: unable to handle kernel paging request in bpf_prog_kallsyms_find
Status: upstream: reported syz repro on 2018/11/18 18:49
Reported-by: syzbot+66d6b1d3055f1d9ee4f3@syzkaller.appspotmail.com
First crash: 219d, last: 144d

Bisection: introduced by (bisect log):

commit f4d7e40a5b7157e1329c3c5b10f60d8289fc2941
Author: Alexei Starovoitov <ast@fb.com>
Date: Fri Dec 15 01:55:06 2017 +0000

  bpf: introduce function calls (verification)

Tree: bpf-next
Crash: WARNING in bpf_jit_free (log)
Repro: syz .config

Sample crash report:

All crashes (3):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-bpf-next-kasan-gce 2018/11/18 16:52 bpf-next 592ee43f adf636a8 .config log report syz ast@kernel.org, daniel@iogearbox.net, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-bpf-next-kasan-gce 2019/02/01 12:26 bpf-next 1832f4ef 0c07abcf .config log report syz ast@kernel.org, daniel@iogearbox.net, davem@davemloft.net, hawk@kernel.org, jakub.kicinski@netronome.com, john.fastabend@gmail.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, xdp-newbies@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2018/11/18 17:33 linux-next 442b8cea adf636a8 .config log report syz ast@kernel.org, daniel@iogearbox.net, linux-kernel@vger.kernel.org, netdev@vger.kernel.org