WARNING: CPU: 1 PID: 6232 at arch/x86/kvm/x86.c:7308 kvm_arch_vcpu_ioctl_run+0x1d4/0x5be0 arch/x86/kvm/x86.c:7308 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 6232 Comm: syz-executor7 Not tainted 4.15.0-rc4+ #228 WARNING: CPU: 0 PID: 6227 at arch/x86/kvm/x86.c:7308 kvm_arch_vcpu_ioctl_run+0x1d4/0x5be0 arch/x86/kvm/x86.c:7308 Modules linked in: CPU: 0 PID: 6227 Comm: syz-executor5 Not tainted 4.15.0-rc4+ #228 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1d4/0x5be0 arch/x86/kvm/x86.c:7308 RSP: 0018:ffff8801d8ea76b0 EFLAGS: 00010293 RAX: ffff8801cc0106c0 RBX: ffff8801d3f84000 RCX: ffffffff810debd4 RDX: 0000000000000000 RSI: ffffffff85f40540 RDI: ffff8801ca2185a0 RBP: ffff8801d8ea7a40 R08: 1ffff10039443b4b R09: 0000000000000001 R10: ffff8801d8ea7a58 R11: 0000000000000004 R12: 0000000000000000 R13: ffff8801cc0106c0 R14: ffff8801cf31de00 R15: ffff8801ca218380 FS: 00007f22a4637700(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000006eff50 CR3: 00000001cc184003 CR4: 00000000001626f0 Call Trace: kvm_vcpu_ioctl+0x64c/0x1010 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2582 vfs_ioctl fs/ioctl.c:46 [inline] do_vfs_ioctl+0x1b1/0x1520 fs/ioctl.c:686 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x452a09 RSP: 002b:00007f22a4636c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000452a09 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000004 RBP: 000000000000039b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f2728 R13: 00000000ffffffff R14: 00007f22a46376d4 R15: 0000000000000000 Code: 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 0d 59 00 00 49 83 bf 98 2b 00 00 00 0f 84 db 03 00 00 e8 cc e9 61 00 <0f> ff e8 c5 e9 61 00 48 8d 7b 01 48 b8 00 00 00 00 00 fc ff df ---[ end trace 1369fc51cb086a9a ]--- Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:53 panic+0x1e4/0x41c kernel/panic.c:183 __warn+0x1dc/0x200 kernel/panic.c:547 report_bug+0x211/0x2d0 lib/bug.c:184 fixup_bug.part.11+0x37/0x80 arch/x86/kernel/traps.c:177 fixup_bug arch/x86/kernel/traps.c:246 [inline] do_error_trap+0x2d7/0x3e0 arch/x86/kernel/traps.c:295 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314 invalid_op+0x22/0x40 arch/x86/entry/entry_64.S:1061 RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1d4/0x5be0 arch/x86/kvm/x86.c:7308 RSP: 0018:ffff8801c626f6b0 EFLAGS: 00010293 RAX: ffff8801cb4f2440 RBX: ffff8801d7d7b000 RCX: ffffffff810debd4 RDX: 0000000000000000 RSI: ffffffff85f40540 RDI: ffff8801c6a186e0 RBP: ffff8801c626fa40 R08: 1ffff10038d43b73 R09: 0000000000000001 R10: ffff8801c626fa58 R11: 0000000000000004 R12: 0000000000000000 R13: ffff8801cb4f2440 R14: ffff8801ca3a9c80 R15: ffff8801c6a184c0 kvm_vcpu_ioctl+0x64c/0x1010 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2582 vfs_ioctl fs/ioctl.c:46 [inline] do_vfs_ioctl+0x1b1/0x1520 fs/ioctl.c:686 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x452a09 RSP: 002b:00007f0f15d49c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000452a09 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000004 RBP: 000000000000039b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f2728 R13: 00000000ffffffff R14: 00007f0f15d4a6d4 R15: 0000000000000000 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..