WARNING: CPU: 0 PID: 19372 at arch/x86/kvm/x86.c:7999 vcpu_enter_guest+0x4b29/0x5e90 arch/x86/kvm/x86.c:7999 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 19372 Comm: syz-executor.5 Not tainted 5.3.0-rc6+ #147 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+0x172/0x1f0 lib/dump_stack.c:113 panic+0x2dc/0x755 kernel/panic.c:219 __warn.cold+0x20/0x4c kernel/panic.c:576 report_bug+0x263/0x2b0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:179 [inline] fixup_bug arch/x86/kernel/traps.c:174 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:291 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1028 RIP: 0010:vcpu_enter_guest+0x4b29/0x5e90 arch/x86/kvm/x86.c:7999 Code: 00 fc ff df 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e e9 11 00 00 41 83 a5 20 27 00 00 fb e9 5c bf ff ff e8 f7 4b 65 00 <0f> 0b e9 98 be ff ff e8 eb 4b 65 00 31 ff be 07 00 00 00 e8 bf 97 RSP: 0018:ffff888053747a10 EFLAGS: 00010093 RAX: ffff88809fe52180 RBX: 0000000000000000 RCX: ffffffff810ce67f RDX: 0000000000000000 RSI: ffffffff810d27e9 RDI: 0000000000000007 RBP: ffff888053747b20 R08: ffff88809fe52180 R09: ffffed1013fca431 R10: ffffed1013fca430 R11: ffff88809fe52187 R12: ffff8880509f84ec R13: ffff8880509f84c0 R14: 0000000000000001 R15: ffff8880509f84f0 vcpu_run arch/x86/kvm/x86.c:8151 [inline] kvm_arch_vcpu_ioctl_run+0x464/0x1750 arch/x86/kvm/x86.c:8359 kvm_vcpu_ioctl+0x4dc/0xfd0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2765 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:509 [inline] do_vfs_ioctl+0xdb6/0x13e0 fs/ioctl.c:696 ksys_ioctl+0xab/0xd0 fs/ioctl.c:713 __do_sys_ioctl fs/ioctl.c:720 [inline] __se_sys_ioctl fs/ioctl.c:718 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:718 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459879 Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f971677ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459879 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000006 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f971677b6d4 R13: 00000000004c2c2f R14: 00000000004d62b0 R15: 00000000ffffffff Kernel Offset: disabled Rebooting in 86400 seconds..