syzbot suspects this issue was fixed by commit: commit eb7511bf9182292ef1df1082d23039e856d1ddfb Author: Haimin Zhang <tcs_kernel@xxxxxxxxxxx> Date: Fri Sep 3 02:37:06 2021 +0000 KVM: x86: Handle SRCU initialization failure during page track init bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=143e2b02b00000 start commit: 78e709522d2c Merge tag 'for_linus' of git://git.kernel.org.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=2150ebd7e72fa695 dashboard link: https://syzkaller.appspot.com/bug?extid=05017ad275a64a3246f8 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10b72895300000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14c42853300000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: KVM: x86: Handle SRCU initialization failure during page track init For information about bisection process see: https://goo.gl/tpsmEJ#bisection