syzbot


KASAN: slab-out-of-bounds Read in bitmap_port_destroy
Status: fixed on 2020/03/17 22:09
Reported-by: syzbot+b96275fd6ad891076ced@syzkaller.appspotmail.com
Fix commit: 32c72165dbd0 netfilter: ipset: use bitmap infrastructure completely
First crash: 548d, last: 548d

Cause bisection: introduced by (bisect log) :
commit b9a1e627405d68d475a3c1f35e685ccfb5bbe668
Author: Cong Wang <xiyou.wangcong@gmail.com>
Date: Thu Jul 4 00:21:13 2019 +0000

  hsr: implement dellink to clean up resources

Crash: general protection fault in send_hsr_supervision_frame (log)
Repro: C syz .config

Fix bisection: fixed by (bisect log) :
commit 32c72165dbd0e246e69d16a3ad348a4851afd415
Author: Kadlecsik Jรณzsef <kadlec@blackhole.kfki.hu>
Date: Sun Jan 19 21:06:49 2020 +0000

  netfilter: ipset: use bitmap infrastructure completely


Sample crash report:

Crashes (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2020/01/23 20:01 upstream 131701c697e8 3334d684 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/01/23 19:46 upstream 131701c697e8 3334d684 .config log report