syzbot


KASAN: use-after-free Read in path_lookupat
Status: fixed on 2019/04/12 08:05
Reported-by: syzbot+7a8ba368b47fdefca61e@syzkaller.appspotmail.com
Fix commit: 1da6c4d9 bpf: fix use after free in bpf_evict_inode
First crash: 176d, last: 176d

Bisection: introduced by (bisect log):

commit a435393acafbf0ecff4deb3e3cb554b34f0d0664
Author: Sagi Grimberg <sagi@grimberg.me>
Date: Thu Jul 13 08:09:40 2017 +0000

  mlx5: move affinity hints assignments to generic code

Tree: linux-next
Crash: KASAN: use-after-free Read in link_path_walk (log)
Repro: syz .config

Sample crash report:

All crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-linux-next-kasan-gce-root 2018/11/28 14:56 linux-next 442b8cea 4b6d14f2 .config log report syz linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk