------------[ cut here ]------------ kernel BUG at arch/x86/kvm/x86.c:357! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 2447 Comm: syz-executor5 Not tainted 5.0.0-rc2-next-20190115 #12 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:kvm_spurious_fault+0x9/0x10 arch/x86/kvm/x86.c:357 Code: e8 bc 54 76 00 41 bd 03 00 00 00 5b 44 89 e8 41 5c 41 5d 5d c3 66 90 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 e8 97 54 76 00 <0f> 0b 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 49 89 d6 41 55 41 54 RSP: 0018:ffff8880ae707c78 EFLAGS: 00010006 RAX: ffff888097b3c5c0 RBX: ffff888094e93810 RCX: ffffffff8139db5a RDX: 0000000000010000 RSI: ffffffff810be0b9 RDI: 0000000000000007 RBP: ffff8880ae707c78 R08: ffff888097b3c5c0 R09: ffffed1015ce5bb1 R10: ffffed1015ce5bb0 R11: ffff8880ae72dd87 R12: 1ffff11015ce0f94 R13: ffff8880ae707cc0 R14: ffff8880ae707d20 R15: ffff888090867000 FS: 00007f3ff9572700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff8880ae707cc0 CR3: 000000005ef60000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vmcs_clear arch/x86/kvm/vmx/ops.h:185 [inline] loaded_vmcs_init+0xcb/0x320 arch/x86/kvm/vmx/vmx.c:565 __loaded_vmcs_clear+0x2c1/0x520 arch/x86/kvm/vmx/vmx.c:632 flush_smp_call_function_queue+0x1bb/0x640 kernel/smp.c:243 generic_smp_call_function_single_interrupt+0x13/0x2b kernel/smp.c:192 smp_call_function_single_interrupt+0x117/0x640 arch/x86/kernel/smp.c:296 call_function_single_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 RIP: 0010:__sanitizer_cov_trace_cmp4+0x0/0x20 kernel/kcov.c:161 Code: ff 5d c3 0f 1f 80 00 00 00 00 55 0f b7 d6 0f b7 f7 bf 02 00 00 00 48 89 e5 48 8b 4d 08 e8 58 ff ff ff 5d c3 66 0f 1f 44 00 00 <55> 89 f2 89 fe bf 04 00 00 00 48 89 e5 48 8b 4d 08 e8 3a ff ff ff RSP: 0018:ffff8880984defe0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff04 RAX: 0000000000000007 RBX: ffff8880984df460 RCX: ffffffff81b9937c RDX: 0000000000000000 RSI: 0000000000001000 RDI: 0000000000001000 RBP: ffff8880984df018 R08: ffff888097b3c5c0 R09: fffff9400045bb67 R10: fffff9400045bb66 R11: ffffea00022ddb33 R12: 0000000000001000 R13: 0000000000001000 R14: ffffea00022ddb00 R15: dffffc0000000000 __tlb_remove_page include/asm-generic/tlb.h:187 [inline] zap_pte_range mm/memory.c:1095 [inline] zap_pmd_range mm/memory.c:1194 [inline] zap_pud_range mm/memory.c:1223 [inline] zap_p4d_range mm/memory.c:1244 [inline] unmap_page_range+0xf45/0x25a0 mm/memory.c:1265 unmap_single_vma+0x19d/0x300 mm/memory.c:1310 unmap_vmas+0x1a8/0x350 mm/memory.c:1342 exit_mmap+0x2d4/0x5d0 mm/mmap.c:3140 __mmput kernel/fork.c:1047 [inline] mmput+0x240/0x640 kernel/fork.c:1068 exit_mm kernel/exit.c:545 [inline] do_exit+0x9d4/0x2b60 kernel/exit.c:861 do_group_exit+0x177/0x430 kernel/exit.c:978 get_signal+0x8b7/0x19c0 kernel/signal.c:2519 do_signal+0x91/0x1ea0 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x2f7/0x3b0 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+0x696/0x800 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457ec9 Code: 6d 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 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f3ff9571c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: 0000000000010000 RBX: 0000000000000003 RCX: 0000000000457ec9 RDX: 0000000012d0780e RSI: 0000000020000040 RDI: 0000000000000006 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3ff95726d4 R13: 00000000004c3bf9 R14: 00000000004dc170 R15: 00000000ffffffff Modules linked in: ---[ end trace 9e3ec2989e96997b ]--- RIP: 0010:kvm_spurious_fault+0x9/0x10 arch/x86/kvm/x86.c:357 Code: e8 bc 54 76 00 41 bd 03 00 00 00 5b 44 89 e8 41 5c 41 5d 5d c3 66 90 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 e8 97 54 76 00 <0f> 0b 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 49 89 d6 41 55 41 54 RSP: 0018:ffff8880ae707c78 EFLAGS: 00010006 RAX: ffff888097b3c5c0 RBX: ffff888094e93810 RCX: ffffffff8139db5a RDX: 0000000000010000 RSI: ffffffff810be0b9 RDI: 0000000000000007 RBP: ffff8880ae707c78 R08: ffff888097b3c5c0 R09: ffffed1015ce5bb1 R10: ffffed1015ce5bb0 R11: ffff8880ae72dd87 R12: 1ffff11015ce0f94 R13: ffff8880ae707cc0 R14: ffff8880ae707d20 R15: ffff888090867000 FS: 00007f3ff9572700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff8880ae707cc0 CR3: 000000005ef60000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400