syzbot suspects this bug was fixed by commit: commit 26b471c7e2f7befd0f59c35b257749ca57e0ed70 Author: Liran Alon <liran.alon@xxxxxxxxxx> Date: Sun Sep 16 11:28:20 2018 +0000 KVM: nVMX: Fix bad cleanup on error of get/set nested state IOCTLs bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14830572600000 start commit: 234b69e3 ocfs2: fix ocfs2 read block panic git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=5fa12be50bca08d8 dashboard link: https://syzkaller.appspot.com/bug?extid=ceded3495a1d59f2d244 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1634bbae400000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1728324e400000 If the result looks correct, please mark the bug fixed by replying with: #syz fix: KVM: nVMX: Fix bad cleanup on error of get/set nested state IOCTLs For information about bisection process see: https://goo.gl/tpsmEJ#bisection