CR3 = 0x0000000000000000 RSP = 0x0000000000000f80 RIP = 0x0000000000008004 RFLAGS=0x00000002 DR7 = 0x0000000000000400 Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000 CS: sel=0x0000, attr=0x08093, limit=0xffffffff, base=0x0000000000000000 WARNING: CPU: 1 PID: 8623 at arch/x86/kvm/vmx.c:4426 loaded_vmcs_clear arch/x86/kvm/vmx.c:1964 [inline] WARNING: CPU: 1 PID: 8623 at arch/x86/kvm/vmx.c:4426 free_loaded_vmcs+0x11b/0x160 arch/x86/kvm/vmx.c:4421 DS: sel=0x0000, attr=0x08093, limit=0xffffffff, base=0x0000000000000000 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 8623 Comm: syz-executor2 Not tainted 4.18.0-rc6+ #1 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+0x16a/0x22a lib/dump_stack.c:113 panic+0x1c6/0x37d kernel/panic.c:184 SS: sel=0x0000, attr=0x08093, limit=0xffffffff, base=0x0000000000000000 __warn.cold.8+0x120/0x16c kernel/panic.c:536 ES: sel=0x0000, attr=0x08093, limit=0xffffffff, base=0x0000000000000000 report_bug+0x1a4/0x200 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] do_error_trap+0x1fc/0x4d0 arch/x86/kernel/traps.c:296 FS: sel=0x0000, attr=0x08093, limit=0xffffffff, base=0x0000000000000000 GS: sel=0x0000, attr=0x08093, limit=0xffffffff, base=0x0000000000000000 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:992 RIP: 0010:free_loaded_vmcs+0x11b/0x160 arch/x86/kvm/vmx.c:4426 GDTR: limit=0x000007ff, base=0x0000000000001000 Code: c7 c6 90 ff 1a 81 e8 54 7c 4e 00 48 89 da 48 b8 00 00 00 00 00 fc ff df LDTR: sel=0x0008, attr=0x04082, limit=0x000007ff, base=0x0000000000001800 48 c1 ea 03 80 3c 02 00 75 3e 4c 8b 23 e9 IDTR: limit=0x00000000, base=0x0000000000000000 47 ff ff ff <0f> 0b eb c4 e8 8c 01 94 00 TR: sel=0x0000, attr=0x0008b, limit=0x0000ffff, base=0x0000000000000000 e9 2d ff ff ff e8 a2 01 94 00 e9 f2 fe EFER = 0x0000000000000000 PAT = 0x0007040600070406 RSP: 0018:ffff8801c249f358 EFLAGS: 00010286 RAX: dffffc0000000000 RBX: ffff8801c573de68 RCX: 0000000000000000 RDX: 1ffff10038ae7bce RSI: 0000000000000001 RDI: ffff8801c573de70 RBP: ffff8801c249f368 R08: ffffed0043fff5cd R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801c80c1000 R13: ffff8801c249f530 R14: ffffed0038493e8e R15: dffffc0000000000 DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 vmx_free_vcpu+0x19d/0x290 arch/x86/kvm/vmx.c:10304 kvm_arch_vcpu_free arch/x86/kvm/x86.c:8373 [inline] kvm_free_vcpus arch/x86/kvm/x86.c:8822 [inline] kvm_arch_destroy_vm+0x322/0x7e0 arch/x86/kvm/x86.c:8919 Interruptibility = 00000008 ActivityState = 00000000 *** Host State *** kvm_destroy_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:746 [inline] kvm_put_kvm+0x5b4/0xe00 arch/x86/kvm/../../../virt/kvm/kvm_main.c:767 RIP = 0xffffffff811d1805 RSP = 0xffff8801bc297350 CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 FSBase=00007fdeca66f700 GSBase=ffff8801dae00000 TRBase=fffffe0000003000 kvm_vcpu_release+0x77/0xa0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2397 __fput+0x2eb/0x990 fs/file_table.c:209 GDTBase=fffffe0000001000 IDTBase=fffffe0000000000 ____fput+0x9/0x10 fs/file_table.c:243 CR0=0000000080050033 CR3=00000001bec64000 CR4=00000000001426f0 task_work_run+0x19f/0x250 kernel/task_work.c:113 get_signal+0x10e1/0x1490 kernel/signal.c:2298 Sysenter RSP=fffffe0000002200 CS:RIP=0010:ffffffff86a01380 EFER = 0x0000000000000d01 PAT = 0x0407050600070106 do_signal+0x9c/0x21c0 arch/x86/kernel/signal.c:816 *** Control State *** PinBased=0000003f CPUBased=b5986dfa SecondaryExec=000040ca exit_to_usermode_loop+0x1d1/0x310 arch/x86/entry/common.c:162 EntryControls=0000d1ff ExitControls=002fefff prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x587/0x700 arch/x86/entry/common.c:293 ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4571e9 VMEntry: intr_info=00000000 errcode=00000000 ilen=00000000 Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 VMExit: intr_info=00000000 errcode=00000000 ilen=00000004 90 48 89 f8 48 89 f7 48 89 d6 48 89 reason=80000021 qualification=0000000000000000 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f IDTVectoring: info=00000000 errcode=00000000 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 TSC Offset = 0xffffffccbfad1988 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fd7cb213c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 EPT pointer = 0x00000001d087e01e RAX: fffffffffffffffc RBX: 00007fd7cb2146d4 RCX: 00000000004571e9 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 RBP: 0000000000930140 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004cf500 R14: 00000000004c5826 R15: 0000000000000001 Kernel Offset: disabled Rebooting in 86400 seconds..