syzbot


KASAN: slab-out-of-bounds Read in bitmap_ipmac_destroy
Status: fixed on 2020/03/17 22:09
Reported-by: syzbot+a85062dec5d65617cc1c@syzkaller.appspotmail.com
Fix commit: 32c72165dbd0 netfilter: ipset: use bitmap infrastructure completely
First crash: 676d, last: 676d

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 batadv_iv_ogm_queue_add (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 2020/01/24 12:46 upstream 4703d9119972 2e95ab33 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/01/24 12:28 upstream 4703d9119972 2e95ab33 .config log report