syzbot


KASAN: slab-out-of-bounds Read in bitmap_port_add
Status: fixed on 2020/02/18 14:31
Reported-by: syzbot+dfccdb2bdb4a12ad425e@syzkaller.appspotmail.com
Fix commit: 32c72165dbd0 netfilter: ipset: use bitmap infrastructure completely
First crash: 687d, last: 680d

Cause bisection: introduced by (bisect log) :
commit 751ad98d5f881df91ba47e013b82422912381e8e
Author: Marco Elver <elver@google.com>
Date: Fri Jul 12 03:54:00 2019 +0000

  asm-generic, x86: add bitops instrumentation for KASAN

Crash: KASAN: slab-out-of-bounds Read in bitmap_port_add (log)
Repro: syz .config

Sample crash report:

Crashes (9):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2020/01/18 13:43 upstream 25e73aadf297 3de7aabb .config log report syz
ci-upstream-kasan-gce-root 2020/01/18 06:03 upstream ab7541c3addd 3de7aabb .config log report syz
ci-upstream-kasan-gce 2020/01/18 05:52 upstream ab7541c3addd 3de7aabb .config log report syz
ci-upstream-kasan-gce-smack-root 2020/01/18 00:20 upstream ab7541c3addd 3de7aabb .config log report syz
ci-upstream-kasan-gce-386 2020/01/18 03:12 upstream ab7541c3addd 3de7aabb .config log report syz
ci-upstream-net-this-kasan-gce 2020/01/17 22:02 net 5a9ef19454cd 3de7aabb .config log report syz
ci-upstream-net-kasan-gce 2020/01/18 01:59 net-next 56f200c78ce4 3de7aabb .config log report syz
ci-upstream-linux-next-kasan-gce-root 2020/01/25 00:16 linux-next 2747d5fdab78 2e95ab33 .config log report syz
ci-upstream-net-this-kasan-gce 2020/01/17 21:20 net 5a9ef19454cd 3de7aabb .config log report