kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
kobject: 'loop1' (000000004e11f215): kobject_uevent_env
CPU: 1 PID: 30362 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #120
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:kvm_pv_send_ipi+0x364/0xdd0 arch/x86/kvm/lapic.c:579
Code: 45 84 ed 0f 84 da 07 00 00 e8 e8 51 66 00 48 8d 4b 14 48 b8 00 00 00 00 00 fc ff df 48 89 ca 48 89 8d 70 fe ff ff 48 c1 ea 03 <0f> b6 14 02 48 89 c8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 f5
kobject: 'kvm' (00000000f4231e36): kobject_uevent_env
RSP: 0018:ffff8881ae756ed8 EFLAGS: 00010203
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000014
RDX: 0000000000000002 RSI: ffffffff81193908 RDI: 0000000000000005
RBP: ffff8881ae757078 R08: ffff88817dc944c0 R09: ffffed103b5e5b67
R10: ffffed103b5e5b67 R11: ffff8881daf2db3b R12: ffff8881ae757050
R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881ae756fd0
FS:  00007fd476176700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kobject: 'loop1' (000000004e11f215): fill_kobj_path: path = '/devices/virtual/block/loop1'
CR2: 00007ffb7d0f1000 CR3: 00000001b9213000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
kobject: 'kvm' (00000000f4231e36): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (00000000f4231e36): kobject_uevent_env
kobject: 'kvm' (00000000f4231e36): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop2' (00000000476a44fc): kobject_uevent_env
 kvm_emulate_hypercall+0xa1a/0xf20 arch/x86/kvm/x86.c:6999
kobject: 'kvm' (00000000f4231e36): kobject_uevent_env
kobject: 'loop2' (00000000476a44fc): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'kvm' (00000000f4231e36): kobject_uevent_env
 handle_vmcall+0x15/0x20 arch/x86/kvm/vmx.c:7510
 vmx_handle_exit+0x33d/0x4630 arch/x86/kvm/vmx.c:10600
kobject: 'kvm' (00000000f4231e36): kobject_uevent_env
kobject: 'kvm' (00000000f4231e36): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (00000000f4231e36): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (00000000f4231e36): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (00000000f4231e36): kobject_uevent_env
kobject: 'kvm' (00000000f4231e36): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop4' (00000000abf4fe61): kobject_uevent_env
kobject: 'loop4' (00000000abf4fe61): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'kvm' (00000000f4231e36): kobject_uevent_env
 vcpu_enter_guest arch/x86/kvm/x86.c:7809 [inline]
 vcpu_run arch/x86/kvm/x86.c:7872 [inline]
 kvm_arch_vcpu_ioctl_run+0x3ded/0x72a0 arch/x86/kvm/x86.c:8072
kobject: 'kvm' (00000000f4231e36): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop4' (00000000abf4fe61): kobject_uevent_env
kobject: 'kvm' (00000000f4231e36): kobject_uevent_env
kobject: 'loop4' (00000000abf4fe61): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'kvm' (00000000f4231e36): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop1' (000000004e11f215): kobject_uevent_env
 kvm_vcpu_ioctl+0x5c8/0x1150 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2596
kobject: 'loop1' (000000004e11f215): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'kvm' (00000000f4231e36): kobject_uevent_env
kobject: 'kvm' (00000000f4231e36): fill_kobj_path: path = '/devices/virtual/misc/kvm'
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:509 [inline]
 do_vfs_ioctl+0x1de/0x1790 fs/ioctl.c:696
 ksys_ioctl+0xa9/0xd0 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+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457569
Code: fd b3 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 b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fd476175c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457569
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005
RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd4761766d4
R13: 00000000004c034e R14: 00000000004d0d60 R15: 00000000ffffffff
Modules linked in:
kobject: 'loop3' (00000000916c3691): kobject_uevent_env
---[ end trace 293e32d0095ff259 ]---
kobject: 'loop3' (00000000916c3691): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'kvm' (00000000f4231e36): kobject_uevent_env
kobject: 'loop0' (00000000675fc49c): kobject_uevent_env
RIP: 0010:kvm_pv_send_ipi+0x364/0xdd0 arch/x86/kvm/lapic.c:579
kobject: 'loop0' (00000000675fc49c): fill_kobj_path: path = '/devices/virtual/block/loop0'
Code: 45 84 ed 0f 84 da 07 00 00 e8 e8 51 66 00 48 8d 4b 14 48 b8 00 00 00 00 00 fc ff df 48 89 ca 48 89 8d 70 fe ff ff 48 c1 ea 03 <0f> b6 14 02 48 89 c8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 f5
RSP: 0018:ffff8881ae756ed8 EFLAGS: 00010203
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000014
RDX: 0000000000000002 RSI: ffffffff81193908 RDI: 0000000000000005
kobject: 'kvm' (00000000f4231e36): fill_kobj_path: path = '/devices/virtual/misc/kvm'
RBP: ffff8881ae757078 R08: ffff88817dc944c0 R09: ffffed103b5e5b67
kobject: 'loop3' (00000000916c3691): kobject_uevent_env
R10: ffffed103b5e5b67 R11: ffff8881daf2db3b R12: ffff8881ae757050
kobject: 'loop3' (00000000916c3691): fill_kobj_path: path = '/devices/virtual/block/loop3'
R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881ae756fd0
kobject: 'kvm' (00000000f4231e36): kobject_uevent_env
FS:  00007fd476176700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
kobject: 'kvm' (00000000f4231e36): kobject_uevent_env
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kobject: 'kvm' (00000000f4231e36): fill_kobj_path: path = '/devices/virtual/misc/kvm'
CR2: 00007fcb402db330 CR3: 00000001b9213000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400