syzbot


WARNING in kvm_inject_emulated_page_fault
Status: fixed on 2020/07/17 17:58
Reported-by: syzbot+2a7156e11dc199bdbd8a@syzkaller.appspotmail.com
Fix commit: 7a35e515a705 KVM: VMX: Properly handle kvm_read/write_guest_virt*() result
First crash: 427d, last: 403d

Cause bisection: introduced by (bisect log) :
commit ee1fa209f5e5ca5c1e76c7aa1c2aab292f371f4a
Author: Junaid Shahid <junaids@google.com>
Date: Fri Mar 20 21:28:03 2020 +0000

  KVM: x86: Sync SPTEs when injecting page/EPT fault into L1

Crash: WARNING in kvm_inject_emulated_page_fault (log)
Repro: C syz .config

Sample crash report:

Crashes (20):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2020/06/06 04:38 upstream 7ae77150d94d f243c88f .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/06/05 03:23 upstream acf25aa66371 6720fdef .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/06/04 10:44 upstream cb8e59cc8720 b0d1c0d5 .config log report syz C
ci-upstream-kasan-gce 2020/06/04 08:49 upstream cb8e59cc8720 b0d1c0d5 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/06/24 01:08 upstream 7ae77150d94d 54566aff .config log report
ci-upstream-kasan-gce 2020/06/21 16:38 upstream 7ae77150d94d 4f2acff9 .config log report
ci-upstream-kasan-gce-root 2020/06/19 22:31 upstream 7ae77150d94d 81abc331 .config log report
ci-upstream-kasan-gce-smack-root 2020/06/19 22:25 upstream 7ae77150d94d 81abc331 .config log report
ci-upstream-kasan-gce 2020/06/19 22:25 upstream 7ae77150d94d 81abc331 .config log report
ci-upstream-kasan-gce-selinux-root 2020/06/16 13:16 upstream 7ae77150d94d baca2611 .config log report
ci-upstream-kasan-gce-smack-root 2020/06/13 17:38 upstream 7ae77150d94d dbce178a .config log report
ci-upstream-kasan-gce 2020/06/11 14:54 upstream 7ae77150d94d 3ab7a05a .config log report
ci-upstream-kasan-gce-smack-root 2020/06/07 11:35 upstream 7ae77150d94d 2c2b926c .config log report
ci-upstream-kasan-gce-smack-root 2020/06/07 01:47 upstream 7ae77150d94d e6b89e4e .config log report
ci-upstream-kasan-gce 2020/06/06 23:47 upstream 7ae77150d94d e6b89e4e .config log report
ci-upstream-kasan-gce 2020/06/04 07:35 upstream cb8e59cc8720 b0d1c0d5 .config log report
ci-upstream-kasan-gce 2020/06/04 05:57 upstream cb8e59cc8720 b0d1c0d5 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/06/20 00:17 linux-next e7b08814b16b 81abc331 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/06/11 15:08 linux-next e7b08814b16b 3ab7a05a .config log report
ci-upstream-linux-next-kasan-gce-root 2020/05/31 06:29 linux-next e7b08814b16b 6f3e1c7c .config log report