WARNING: CPU: 1 PID: 28309 at arch/x86/kvm/vmx.c:4754 free_loaded_vmcs+0x160/0x1b0 arch/x86/kvm/vmx.c:4754 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 28309 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #220 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 panic+0x238/0x4e7 kernel/panic.c:184 __warn.cold.8+0x163/0x1ba kernel/panic.c:536 report_bug+0x252/0x2d0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] do_error_trap+0x1fc/0x4d0 arch/x86/kernel/traps.c:296 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:993 RIP: 0010:free_loaded_vmcs+0x160/0x1b0 arch/x86/kvm/vmx.c:4754 Code: 81 e8 44 be 53 00 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 75 49 4c 8b 23 e9 22 ff ff ff e8 80 fc 5f 00 <0f> 0b eb b0 e8 b7 f9 9e 00 e9 f4 fe ff ff 48 89 df e8 ca f9 9e 00 RSP: 0018:ffff88018a1af378 EFLAGS: 00010216 RAX: 0000000000040000 RBX: ffff880191905aa8 RCX: ffffc90005a82000 RDX: 000000000000c488 RSI: ffffffff811cd2a0 RDI: ffff880191905ab0 RBP: ffff88018a1af390 R08: ffff8801888fc040 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801b3c2c000 R13: 0000000000000001 R14: dffffc0000000000 R15: 0000000000000001 vmx_free_vcpu+0x204/0x300 arch/x86/kvm/vmx.c:10945 kvm_arch_vcpu_free arch/x86/kvm/x86.c:8420 [inline] kvm_free_vcpus arch/x86/kvm/x86.c:8870 [inline] kvm_arch_destroy_vm+0x365/0x7c0 arch/x86/kvm/x86.c:8967 kvm_destroy_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:752 [inline] kvm_put_kvm+0x73f/0x1060 arch/x86/kvm/../../../virt/kvm/kvm_main.c:773 kvm_vcpu_release+0x7b/0xa0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2407 __fput+0x38a/0xa40 fs/file_table.c:278 ____fput+0x15/0x20 fs/file_table.c:309 task_work_run+0x1e8/0x2a0 kernel/task_work.c:113 get_signal+0x14bf/0x18e0 kernel/signal.c:2343 do_signal+0x9c/0x21c0 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x2e5/0x380 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x456f07 Code: 48 83 c4 08 48 89 d8 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 89 e8 48 f7 d8 48 39 c3 0f 92 c0 eb 92 66 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 5d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fa987d5b098 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: 0000000000000000 RBX: 0000000000000018 RCX: 0000000000456f07 RDX: 00007fa987d5b6f0 RSI: 000000008138ae83 RDI: 0000000000000005 RBP: 0000000020027000 R08: 0000000000000001 R09: 0000000000000028 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000fec00000 R13: 0000000000000004 R14: 00000000004c9fc0 R15: 0000000000000001 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..