syzbot


WARNING in handle_desc
Status: fixed on 2019/10/15 23:40
Reported-by: syzbot+0f1819555fbdce992df9@syzkaller.appspotmail.com
Fix commit: 3ca94192 KVM: X86: Fix userspace set invalid CR4
First crash: 536d, last: 526d

Cause bisection: introduced by (bisect log) :
commit 0367f205a3b7c0efe774634eef1f4697c79a4132
Author: Paolo Bonzini <pbonzini@redhat.com>
Date: Tue Jul 12 08:44:55 2016 +0000

  KVM: vmx: add support for emulating UMIP

Crash: WARNING in handle_desc (log)
Repro: C syz .config
similar bugs (3):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in handle_desc (2) 1 180d 176d 0/21 auto-closed as invalid on 2020/12/29 08:10
linux-4.19 WARNING in handle_desc C done 1 526d 526d 1/1 fixed on 2019/12/09 13:28
linux-4.19 WARNING in handle_desc (2) C 1 4d16h 71d 0/1 upstream: reported C repro on 2020/12/18 04:57

Sample crash report:

Crashes (6):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2019/09/17 05:49 upstream cef72982 51ca0454 .config log report syz C
ci-upstream-kasan-gce-smack-root 2019/09/16 02:15 upstream 1609d760 32d59357 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2019/09/16 01:09 upstream 1609d760 32d59357 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/09/20 05:28 linux-next eb2f1273 4d3ae0b7 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/09/10 15:00 linux-next 6d028043 a60cb4cd .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/09/10 14:21 linux-next 6d028043 a60cb4cd .config log report