syzbot


KASAN: global-out-of-bounds Read in netlink_policy_dump_add_policy (2)
Status: fixed on 2021/05/26 09:32
Reported-by: syzbot+@syzkaller.appspotmail.com
Fix commit: 33b347503f01 vdpa: Define vdpa mgmt device, ops and a netlink interface
First crash: 222d, last: 222d

Cause bisection: introduced by (bisect log) :
commit 001e0804a6bb8de48f2a2967240bb9d0d67fcb18
Author: Parav Pandit <parav@nvidia.com>
Date: Tue Jan 5 10:32:00 2021 +0000

  vdpa: Define vdpa mgmt device, ops and a netlink interface

Crash: KASAN: global-out-of-bounds Read in netlink_policy_dump_add_policy (log)
Repro: C syz .config
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KASAN: global-out-of-bounds Read in netlink_policy_dump_add_policy C 6 230d 233d 0/22 closed as invalid on 2021/02/08 16:39

Sample crash report:

Crashes (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-linux-next-kasan-gce-root 2021/02/08 17:55 linux-next aa2b88209686 2ce644fc .config log report syz C KASAN: global-out-of-bounds Read in netlink_policy_dump_add_policy
ci-upstream-linux-next-kasan-gce-root 2021/02/08 17:42 linux-next aa2b88209686 2ce644fc .config log report info KASAN: global-out-of-bounds Read in netlink_policy_dump_add_policy