kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 16291 Comm: syz-executor4 Not tainted 5.0.0-rc3 #35
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:rxrpc_connect_call+0x1a3/0x5130 net/rxrpc/conn_client.c:690
Code: fa 4c 89 f0 48 c1 e8 03 80 3c 18 00 0f 85 01 46 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 1e 48 8d 7b 18 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 07 46 00 00 48 8b 5b 18 48 8d bb f0 01 00 00 48
RSP: 0018:ffff888097866ec0 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90005a65000
RDX: 0000000000000003 RSI: ffffffff8736144a RDI: 0000000000000018
RBP: ffff8880978673d8 R08: 00000000006000c0 R09: ffff8880522729e0
R10: ffff888052272140 R11: 0000000000000000 R12: ffff8880588fbb40
R13: ffff888053e51da0 R14: ffff8880978676f8 R15: ffff8880588fbcc8
FS:  00007f6736ca2700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffdbeebf3e0 CR3: 00000000913b7000 CR4: 00000000001406f0
Call Trace:
kobject: 'loop0' (000000005c5da415): kobject_uevent_env
kobject: 'loop0' (000000005c5da415): fill_kobj_path: path = '/devices/virtual/block/loop0'
 rxrpc_new_client_call+0xb0b/0x1e50 net/rxrpc/call_object.c:291
kobject: 'loop3' (0000000099044865): kobject_uevent_env
kobject: 'loop3' (0000000099044865): fill_kobj_path: path = '/devices/virtual/block/loop3'
 rxrpc_new_client_call_for_sendmsg net/rxrpc/sendmsg.c:593 [inline]
 rxrpc_do_sendmsg+0x16df/0x27ad net/rxrpc/sendmsg.c:649
 rxrpc_sendmsg+0x4b8/0x5f0 net/rxrpc/af_rxrpc.c:556
 sock_sendmsg_nosec net/socket.c:621 [inline]
 sock_sendmsg+0xdd/0x130 net/socket.c:631
 ___sys_sendmsg+0x409/0x910 net/socket.c:2116
 __sys_sendmmsg+0x246/0x730 net/socket.c:2211
 __do_sys_sendmmsg net/socket.c:2240 [inline]
 __se_sys_sendmmsg net/socket.c:2237 [inline]
 __x64_sys_sendmmsg+0x9d/0x100 net/socket.c:2237
 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x458099
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:00007f6736ca1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000458099
RDX: 0000000000000001 RSI: 0000000020005c00 RDI: 0000000000000003
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6736ca26d4
R13: 00000000004c4f7c R14: 00000000004d8a40 R15: 00000000ffffffff
Modules linked in:
kobject: 'loop1' (000000004f9668bd): kobject_uevent_env
---[ end trace e9da41b70a446b98 ]---
RIP: 0010:rxrpc_connect_call+0x1a3/0x5130 net/rxrpc/conn_client.c:690
Code: fa 4c 89 f0 48 c1 e8 03 80 3c 18 00 0f 85 01 46 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 1e 48 8d 7b 18 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 07 46 00 00 48 8b 5b 18 48 8d bb f0 01 00 00 48
kobject: 'loop1' (000000004f9668bd): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop0' (000000005c5da415): kobject_uevent_env
kobject: 'loop0' (000000005c5da415): fill_kobj_path: path = '/devices/virtual/block/loop0'
RSP: 0018:ffff888097866ec0 EFLAGS: 00010206
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#2] PREEMPT SMP KASAN
CPU: 0 PID: 16301 Comm: syz-executor4 Tainted: G      D           5.0.0-rc3 #35
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:rxrpc_connect_call+0x1a3/0x5130 net/rxrpc/conn_client.c:690
kobject: 'loop3' (0000000099044865): kobject_uevent_env
Code: fa 4c 89 f0 48 c1 e8 03 80 3c 18 00 0f 85 01 46 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 1e 48 8d 7b 18 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 07 46 00 00 48 8b 5b 18 48 8d bb f0 01 00 00 48
RSP: 0018:ffff888059606ec0 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90008004000
RDX: 0000000000000003 RSI: ffffffff8736144a RDI: 0000000000000018
RBP: ffff8880596073d8 R08: 00000000006000c0 R09: ffffed10092f4612
R10: ffffed10092f4611 R11: ffff8880497a308b R12: ffff888053523b00
R13: ffff888053e51da0 R14: ffff8880596076f8 R15: ffff888053523c88
FS:  00007f6736c81700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
kobject: 'loop3' (0000000099044865): fill_kobj_path: path = '/devices/virtual/block/loop3'
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000625208 CR3: 00000000913b7000 CR4: 00000000001406f0
Call Trace:
kobject: 'loop2' (00000000c8333664): kobject_uevent_env
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90005a65000
kobject: 'loop2' (00000000c8333664): fill_kobj_path: path = '/devices/virtual/block/loop2'
RDX: 0000000000000003 RSI: ffffffff8736144a RDI: 0000000000000018
kobject: 'loop5' (0000000020063a40): kobject_uevent_env
 rxrpc_new_client_call+0xb0b/0x1e50 net/rxrpc/call_object.c:291
kobject: 'loop5' (0000000020063a40): fill_kobj_path: path = '/devices/virtual/block/loop5'
RBP: ffff8880978673d8 R08: 00000000006000c0 R09: ffff8880522729e0
R10: ffff888052272140 R11: 0000000000000000 R12: ffff8880588fbb40
 rxrpc_new_client_call_for_sendmsg net/rxrpc/sendmsg.c:593 [inline]
 rxrpc_do_sendmsg+0x16df/0x27ad net/rxrpc/sendmsg.c:649
R13: ffff888053e51da0 R14: ffff8880978676f8 R15: ffff8880588fbcc8
FS:  00007f6736ca2700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
 rxrpc_sendmsg+0x4b8/0x5f0 net/rxrpc/af_rxrpc.c:556
 sock_sendmsg_nosec net/socket.c:621 [inline]
 sock_sendmsg+0xdd/0x130 net/socket.c:631
 ___sys_sendmsg+0x409/0x910 net/socket.c:2116
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000070a158 CR3: 00000000913b7000 CR4: 00000000001406e0
 __sys_sendmmsg+0x246/0x730 net/socket.c:2211