general protection fault: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 1 PID: 7889 Comm: syz-executor.2 Not tainted 4.14.134 #30 kobject: 'loop1' (ffff8880a499e660): kobject_uevent_env Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff888089d00300 task.stack: ffff88805a410000 RIP: 0010:rxrpc_connect_call+0xc9/0x41a0 net/rxrpc/conn_client.c:684 RSP: 0018:ffff88805a417738 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90013ff2000 RDX: 0000000000000003 RSI: ffffffff8593c089 RDI: 0000000000000018 RBP: ffff88805a417880 R08: 0000000000000001 R09: ffff888089d00ba0 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a5280c00 kobject: 'loop1' (ffff8880a499e660): fill_kobj_path: path = '/devices/virtual/block/loop1' R13: ffff88805ac88e20 R14: ffff88805ac88e10 R15: ffff88805a417998 FS: 00007f9a7b501700(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000015f01f8 CR3: 000000009482d000 CR4: 00000000001426e0 Call Trace: kobject: 'kvm' (ffff888219fb1610): kobject_uevent_env rxrpc_new_client_call+0x8f7/0x1420 net/rxrpc/call_object.c:276 kobject: 'kvm' (ffff888219fb1610): fill_kobj_path: path = '/devices/virtual/misc/kvm' rxrpc_new_client_call_for_sendmsg net/rxrpc/sendmsg.c:525 [inline] rxrpc_do_sendmsg+0x91a/0x1103 net/rxrpc/sendmsg.c:577 kobject: 'loop0' (ffff88805b750b60): kobject_uevent_env rxrpc_sendmsg+0x48a/0x650 net/rxrpc/af_rxrpc.c:543 kobject: 'loop0' (ffff88805b750b60): fill_kobj_path: path = '/devices/virtual/block/loop0' sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 ___sys_sendmsg+0x349/0x840 net/socket.c:2062 kobject: 'kvm' (ffff888219fb1610): kobject_uevent_env __sys_sendmmsg+0x152/0x3a0 net/socket.c:2152 kobject: 'kvm' (ffff888219fb1610): fill_kobj_path: path = '/devices/virtual/misc/kvm' SYSC_sendmmsg net/socket.c:2183 [inline] SyS_sendmmsg+0x35/0x60 net/socket.c:2178 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x459829 RSP: 002b:00007f9a7b500c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000459829 RDX: 0000000000000001 RSI: 0000000020005c00 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9a7b5016d4 R13: 00000000004c6fe8 R14: 00000000004dc518 R15: 00000000ffffffff Code: e8 03 80 3c 18 00 0f 85 6f 39 00 00 48 8b 85 28 ff ff ff 48 8b 18 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 18 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 8a 39 00 00 48 8b 5b 18 48 8d bb 00 02 00 00 RIP: rxrpc_connect_call+0xc9/0x41a0 net/rxrpc/conn_client.c:684 RSP: ffff88805a417738 kvm [7883]: vcpu0, guest rIP: 0x8a Hyper-V uhandled wrmsr: 0x4000002b data 0x4d00000000f kobject: 'loop5' (ffff8880a4ad32e0): kobject_uevent_env kvm [7883]: vcpu0, guest rIP: 0x8a Hyper-V uhandled wrmsr: 0x4000008c data 0x4d00000000f kobject: 'loop5' (ffff8880a4ad32e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kvm [7883]: vcpu0, guest rIP: 0x8a Hyper-V uhandled wrmsr: 0x40000057 data 0x4d00000000f kobject: 'kvm' (ffff888219fb1610): kobject_uevent_env kobject: 'kvm' (ffff888219fb1610): fill_kobj_path: path = '/devices/virtual/misc/kvm' kvm [7883]: vcpu0, guest rIP: 0x8a Hyper-V uhandled wrmsr: 0x40000022 data 0x4d00000000f kobject: 'loop1' (ffff8880a499e660): kobject_uevent_env kvm [7883]: vcpu0, guest rIP: 0x8a Hyper-V uhandled wrmsr: 0x4000004e data 0x4d00000000f kobject: 'loop1' (ffff8880a499e660): fill_kobj_path: path = '/devices/virtual/block/loop1' kvm [7883]: vcpu0, guest rIP: 0x8a Hyper-V uhandled wrmsr: 0x40000019 data 0x4d00000000f kvm [7883]: vcpu0, guest rIP: 0x8a Hyper-V uhandled wrmsr: 0x4000007a data 0x4d00000000f kvm [7883]: vcpu0, guest rIP: 0x8a Hyper-V uhandled wrmsr: 0x40000045 data 0x4d00000000f kobject: 'loop4' (ffff8880a4a3d260): kobject_uevent_env kvm [7883]: vcpu0, guest rIP: 0x8a Hyper-V uhandled wrmsr: 0x4000003f data 0x4d00000000f kobject: 'loop4' (ffff8880a4a3d260): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (ffff8880a499e660): kobject_uevent_env kobject: 'loop1' (ffff8880a499e660): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff88805b750b60): kobject_uevent_env kobject: 'kvm' (ffff888219fb1610): kobject_uevent_env kobject: 'loop0' (ffff88805b750b60): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (ffff888219fb1610): kobject_uevent_env kobject: 'kvm' (ffff888219fb1610): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (ffff888219fb1610): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (ffff8880a4ad32e0): kobject_uevent_env kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access kobject: 'loop5' (ffff8880a4ad32e0): fill_kobj_path: path = '/devices/virtual/block/loop5' general protection fault: 0000 [#2] PREEMPT SMP KASAN Modules linked in: CPU: 1 PID: 7936 Comm: syz-executor.2 Tainted: G D 4.14.134 #30 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8880823ec700 task.stack: ffff888059f78000 RIP: 0010:rxrpc_connect_call+0xc9/0x41a0 net/rxrpc/conn_client.c:684 RSP: 0018:ffff888059f7f738 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc900143f4000 RDX: 0000000000000003 RSI: ffffffff8593c089 RDI: 0000000000000018 RBP: ffff888059f7f880 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: ffff8880823ec700 R12: ffff88808b5d9c00 R13: ffff88805ac88e20 R14: ffff8880a5280d60 R15: ffff888059f7f998 FS: 00007f9a7b4bf700(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000 kobject: 'kvm' (ffff888219fb1610): kobject_uevent_env CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9a7b4bedb8 CR3: 000000009482d000 CR4: 00000000001426e0 Call Trace: kobject: 'kvm' (ffff888219fb1610): fill_kobj_path: path = '/devices/virtual/misc/kvm' rxrpc_new_client_call+0x8f7/0x1420 net/rxrpc/call_object.c:276 rxrpc_new_client_call_for_sendmsg net/rxrpc/sendmsg.c:525 [inline] rxrpc_do_sendmsg+0x91a/0x1103 net/rxrpc/sendmsg.c:577 rxrpc_sendmsg+0x48a/0x650 net/rxrpc/af_rxrpc.c:543 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 ___sys_sendmsg+0x349/0x840 net/socket.c:2062 __sys_sendmmsg+0x152/0x3a0 net/socket.c:2152 SYSC_sendmmsg net/socket.c:2183 [inline] SyS_sendmmsg+0x35/0x60 net/socket.c:2178 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x459829 RSP: 002b:00007f9a7b4bec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000459829 RDX: 0000000000000001 RSI: 0000000020005c00 RDI: 0000000000000004 RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9a7b4bf6d4 R13: 00000000004c6fe8 R14: 00000000004dc518 R15: 00000000ffffffff Code: e8 03 80 3c 18 00 0f 85 6f 39 00 00 48 8b 85 28 ff ff ff 48 8b 18 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 18 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 8a 39 00 00 48 8b 5b 18 48 8d bb 00 02 00 00 RIP: rxrpc_connect_call+0xc9/0x41a0 net/rxrpc/conn_client.c:684 RSP: ffff888059f7f738 ---[ end trace ff01d88d595b687e ]---