------------[ cut here ]------------ kernel BUG at arch/x86/kvm/x86.c:357! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 6863 Comm: syz-executor0 Not tainted 5.0.0-rc5 #60 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 2c ca 65 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 07 ca 65 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:ffff888032ce7790 EFLAGS: 00010212 kobject: 'loop5' (000000004a14e2e6): kobject_uevent_env RAX: 0000000000040000 RBX: ffff88809ff43810 RCX: ffffc900061f5000 RDX: 00000000000004ea RSI: ffffffff810a1119 RDI: 0000000000000007 RBP: ffff888032ce7790 R08: ffff888054972580 R09: ffff8880906c0000 R10: ffffed10120d81ff R11: ffff8880906c0fff R12: 1ffff1100659cef5 R13: ffff8880906c0000 R14: ffff888032ce7808 R15: 000000000000ae41 FS: 00007f3ff23a1700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 kobject: 'loop5' (000000004a14e2e6): fill_kobj_path: path = '/devices/virtual/block/loop5' CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: 'loop5' (000000004a14e2e6): kobject_uevent_env CR2: 00000000004effc3 CR3: 00000000994ed000 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+0x95/0x250 arch/x86/kvm/vmx/vmx.c:566 kobject: 'loop5' (000000004a14e2e6): fill_kobj_path: path = '/devices/virtual/block/loop5' alloc_loaded_vmcs+0x81/0x170 arch/x86/kvm/vmx/vmx.c:2443 kobject: 'loop5' (000000004a14e2e6): kobject_uevent_env vmx_create_vcpu+0x24e/0x24dd arch/x86/kvm/vmx/vmx.c:6732 kobject: 'loop5' (000000004a14e2e6): fill_kobj_path: path = '/devices/virtual/block/loop5' kvm_arch_vcpu_create+0x80/0x120 arch/x86/kvm/x86.c:8714 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2564 [inline] kvm_vm_ioctl+0x5ce/0x18f0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3093 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:509 [inline] do_vfs_ioctl+0xd6e/0x1390 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+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457e39 Code: ad b8 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 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f3ff23a0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457e39 RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004 RBP: 000000000073c040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3ff23a16d4 R13: 00000000004c0953 R14: 00000000004d2618 R15: 00000000ffffffff Modules linked in: ------------[ cut here ]------------ kernel BUG at arch/x86/kvm/x86.c:357! invalid opcode: 0000 [#2] PREEMPT SMP KASAN CPU: 1 PID: 6857 Comm: syz-executor0 Tainted: G D 5.0.0-rc5 #60 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 2c ca 65 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 07 ca 65 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:ffff8880ae907e80 EFLAGS: 00010006 RAX: ffff8880967de6c0 RBX: ffff88805912f810 RCX: ffffffff81329b9a RDX: 0000000000010000 RSI: ffffffff810a1119 RDI: 0000000000000007 RBP: ffff8880ae907e80 R08: ffff8880967de6c0 R09: ffffed1015d25be9 R10: ffffed1015d25be8 R11: ffff8880ae92df47 R12: 1ffff11015d20fd3 R13: ffff888092807000 R14: ffff8880ae907ef8 R15: 0000000000000001 FS: 00007f3ff23e3700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff8880ae907eb8 CR3: 00000000994ed000 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+0x95/0x250 arch/x86/kvm/vmx/vmx.c:566 __loaded_vmcs_clear+0x229/0x360 arch/x86/kvm/vmx/vmx.c:633 flush_smp_call_function_queue+0x14a/0x500 kernel/smp.c:243 generic_smp_call_function_single_interrupt+0x13/0x2b kernel/smp.c:192 smp_call_function_single_interrupt+0xa3/0x460 arch/x86/kernel/smp.c:296 call_function_single_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 RIP: 0010:save_stack_address+0x8/0x60 arch/x86/kernel/stacktrace.c:17 Code: 82 8d 14 09 ee ee 83 c2 01 ee ee eb d0 e6 81 eb f0 e6 87 eb ec e6 83 eb e8 90 90 90 90 90 90 90 90 90 55 84 d2 48 89 e5 41 54 <49> 89 f4 53 48 89 fb 75 2f 8b 43 10 85 c0 7f 1b 8b 03 3b 43 04 73 RSP: 0018:ffff888097457320 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff04 RAX: ffffffff81b4aaeb RBX: ffff8880974573d8 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff81b4aaeb RDI: ffff8880974573d8 RBP: ffff888097457328 R08: 0000000000000001 R09: ffff888097457388 R10: ffff888097457360 R11: ffff888097457370 R12: 0000000000000000 R13: 0000000000000000 R14: ffff8880967de6c0 R15: ffff88812c3f01c0 __save_stack_trace+0x6d/0xf0 arch/x86/kernel/stacktrace.c:46 save_stack_trace+0x1a/0x20 arch/x86/kernel/stacktrace.c:60 save_stack+0x45/0xd0 mm/kasan/common.c:73 set_track mm/kasan/common.c:85 [inline] __kasan_kmalloc mm/kasan/common.c:496 [inline] __kasan_kmalloc.constprop.0+0xcf/0xe0 mm/kasan/common.c:469 kasan_kmalloc mm/kasan/common.c:504 [inline] kasan_slab_alloc+0xf/0x20 mm/kasan/common.c:411 slab_post_alloc_hook mm/slab.h:444 [inline] slab_alloc_node mm/slab.c:3324 [inline] kmem_cache_alloc_node_trace+0x13c/0x720 mm/slab.c:3650 __do_kmalloc_node mm/slab.c:3672 [inline] __kmalloc_node+0x3d/0x70 mm/slab.c:3680 kmalloc_node include/linux/slab.h:588 [inline] kvmalloc_node+0x68/0x100 mm/util.c:416 kvmalloc include/linux/mm.h:604 [inline] kvmalloc_array include/linux/mm.h:622 [inline] kvcalloc include/linux/mm.h:627 [inline] kvm_arch_create_memslot+0x15d/0x570 arch/x86/kvm/x86.c:9301 __kvm_set_memory_region+0x146d/0x20f0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:1011 kvm_set_memory_region+0x2f/0x50 arch/x86/kvm/../../../virt/kvm/kvm_main.c:1083 kvm_vm_ioctl_set_memory_region arch/x86/kvm/../../../virt/kvm/kvm_main.c:1095 [inline] kvm_vm_ioctl+0x75e/0x18f0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3112 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:509 [inline] do_vfs_ioctl+0xd6e/0x1390 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+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457e39 Code: ad b8 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 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f3ff23e2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457e39 RDX: 0000000020000040 RSI: 000000004020ae46 RDI: 0000000000000008 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3ff23e36d4 R13: 00000000004ca1b8 R14: 00000000004d2d50 R15: 00000000ffffffff Modules linked in: ---[ end trace 96b4e8b21eddbe8f ]--- RIP: 0010:kvm_spurious_fault+0x9/0x10 arch/x86/kvm/x86.c:357 Code: e8 2c ca 65 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 07 ca 65 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:ffff888032ce7790 EFLAGS: 00010212 RAX: 0000000000040000 RBX: ffff88809ff43810 RCX: ffffc900061f5000 RDX: 00000000000004ea RSI: ffffffff810a1119 RDI: 0000000000000007 RBP: ffff888032ce7790 R08: ffff888054972580 R09: ffff8880906c0000 R10: ffffed10120d81ff R11: ffff8880906c0fff R12: 1ffff1100659cef5 R13: ffff8880906c0000 R14: ffff888032ce7808 R15: 000000000000ae41 FS: 00007f3ff23e3700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff8880ae907eb8 CR3: 00000000994ed000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400