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 CPU: 1 PID: 1973 Comm: syz-executor1 Not tainted 4.20.0-rc2+ #111 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 38 52 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:ffff8881837e6ed8 EFLAGS: 00010203 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000014 RDX: 0000000000000002 RSI: ffffffff811935a8 RDI: 0000000000000005 RBP: ffff8881837e7078 R08: ffff8881cd1e62c0 R09: ffffed103b5e5b67 R10: ffffed103b5e5b67 R11: ffff8881daf2db3b R12: ffff8881837e7050 R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881837e6fd0 FS: 00007f92601ef700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000072c000 CR3: 0000000197d0f000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kvm_emulate_hypercall+0xa1a/0xf20 arch/x86/kvm/x86.c:6999 handle_vmcall+0x15/0x20 arch/x86/kvm/vmx.c:7510 vmx_handle_exit+0x33d/0x4630 arch/x86/kvm/vmx.c:10600 kobject: 'kvm' (00000000840496ec): kobject_uevent_env kobject: 'kvm' (00000000840496ec): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000840496ec): kobject_uevent_env kobject: 'kvm' (00000000840496ec): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000840496ec): 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' (00000000840496ec): fill_kobj_path: path = '/devices/virtual/misc/kvm' IPVS: ftp: loaded support on port[0] = 21 kvm_vcpu_ioctl+0x5c8/0x1150 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2596 kobject: 'lo' (0000000091de083f): kobject_add_internal: parent: 'net', set: 'devices' vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:509 [inline] do_vfs_ioctl+0x1de/0x1790 fs/ioctl.c:696 kobject: 'lo' (0000000091de083f): kobject_uevent_env kobject: 'lo' (0000000091de083f): fill_kobj_path: path = '/devices/virtual/net/lo' kobject: 'queues' (00000000beafb9fc): kobject_add_internal: parent: 'lo', set: '' 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 kobject: 'queues' (00000000beafb9fc): kobject_uevent_env do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 kobject: 'queues' (00000000beafb9fc): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (000000008cb2f50f): kobject_add_internal: parent: 'queues', set: 'queues' 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 kobject: 'rx-0' (000000008cb2f50f): kobject_uevent_env RSP: 002b:00007f92601eec78 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: 00007f92601ef6d4 R13: 00000000004c028e R14: 00000000004d06d8 R15: 00000000ffffffff Modules linked in: kobject: 'rx-0' (000000008cb2f50f): fill_kobj_path: path = '/devices/virtual/net/lo/queues/rx-0' kobject: 'loop4' (00000000412aeb65): kobject_uevent_env ---[ end trace 154fdacbd7dbfad6 ]--- kobject: 'loop4' (00000000412aeb65): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (000000009ae8dab1): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop0' (000000004a4ff7ca): kobject_uevent_env kobject: 'kvm' (00000000840496ec): kobject_uevent_env kobject: 'loop0' (000000004a4ff7ca): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (00000000840496ec): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (00000000eac777c4): kobject_uevent_env kobject: 'tx-0' (000000009ae8dab1): kobject_uevent_env kobject: 'loop5' (00000000eac777c4): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tx-0' (000000009ae8dab1): fill_kobj_path: path = '/devices/virtual/net/lo/queues/tx-0' kobject: 'loop5' (00000000eac777c4): kobject_uevent_env kobject: 'tunl0' (00000000025410c0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop5' (00000000eac777c4): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tunl0' (00000000025410c0): kobject_uevent_env 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 38 52 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: 'tunl0' (00000000025410c0): fill_kobj_path: path = '/devices/virtual/net/tunl0' RSP: 0018:ffff8881837e6ed8 EFLAGS: 00010203 kobject: 'queues' (000000008c9dd54c): kobject_add_internal: parent: 'tunl0', set: '' RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000014 kobject: 'queues' (000000008c9dd54c): kobject_uevent_env RDX: 0000000000000002 RSI: ffffffff811935a8 RDI: 0000000000000005 kobject: 'queues' (000000008c9dd54c): kobject_uevent_env: filter function caused the event to drop! RBP: ffff8881837e7078 R08: ffff8881cd1e62c0 R09: ffffed103b5e5b67 kobject: 'rx-0' (00000000a7540ec1): kobject_add_internal: parent: 'queues', set: 'queues' R10: ffffed103b5e5b67 R11: ffff8881daf2db3b R12: ffff8881837e7050 kobject: 'rx-0' (00000000a7540ec1): kobject_uevent_env R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881837e6fd0 kobject: 'rx-0' (00000000a7540ec1): fill_kobj_path: path = '/devices/virtual/net/tunl0/queues/rx-0' FS: 00007f92601ef700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000 kobject: 'tx-0' (00000000a0d6f137): kobject_add_internal: parent: 'queues', set: 'queues' CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: 'tx-0' (00000000a0d6f137): kobject_uevent_env CR2: 00007fc158e06000 CR3: 0000000197d0f000 CR4: 00000000001426e0 kobject: 'tx-0' (00000000a0d6f137): fill_kobj_path: path = '/devices/virtual/net/tunl0/queues/tx-0' DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 kobject: 'gre0' (0000000073a4efc4): kobject_add_internal: parent: 'net', set: 'devices' DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 kobject: 'gre0' (0000000073a4efc4): kobject_uevent_env