syzbot


KASAN: slab-out-of-bounds Read in cgroup_file_notify
Status: fixed on 2020/05/10 10:42
Reported-by: syzbot+cac0c4e204952cf449b1@syzkaller.appspotmail.com
Fix commit: 726b7bbeafd4 hugetlb_cgroup: fix illegal access to memory
First crash: 642d, last: 642d

Cause bisection: introduced by (bisect log) :
commit 6863de00e5400b534cd4e3869ffbc8f94da41dfc
Author: Mina Almasry <almasrymina@google.com>
Date: Thu Feb 20 03:55:30 2020 +0000

  hugetlb_cgroup: add accounting for shared mappings

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

Sample crash report:

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-linux-next-kasan-gce-root 2020/03/06 15:45 linux-next c99b17ac0399 c88c7b75 .config log report syz C