syzbot


KASAN: use-after-free Read in finish_task_switch (2)
Status: closed as dup on 2019/07/24 07:07
Reported-by: syzbot+7f067c796eee2acbc57a@syzkaller.appspotmail.com
First crash: 121d, last: 121d

Cause bisection: introduced by (bisect log):

commit 7f466032dc9e5a61217f22ea34b2df932786bbfc
Author: Jason Wang <jasowang@redhat.com>
Date: Fri May 24 08:12:18 2019 +0000

  vhost: access vq metadata through kernel virtual address

Crash: WARNING in __mmdrop (log)
Repro: syz .config
Duplicate of (1):
Title Repro Bisected Count Last Reported
WARNING in __mmdrop syz cause 14 111d 121d
similar bugs (1):
Kernel Title Repro Bisected Count Last Reported Patched Status
upstream KASAN: use-after-free Read in finish_task_switch C 3047 419d 463d 12/14 fixed on 2018/10/15 18:12

Sample crash report:

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro
ci-upstream-kasan-gce-smack-root 2019/07/19 01:47 upstream 22051d9c 7bb222f7 .config log report syz