general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 22 Comm: kworker/1:1 Not tainted 4.20.0-rc4+ #324
kobject: 'gre0' (000000001c612ffb): kobject_uevent_env
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events smc_tcp_listen_work
kobject: 'loop1' (000000006278bab9): kobject_uevent_env
RIP: 0010:inet_accept+0x106/0x9e0 net/ipv4/af_inet.c:734
Code: 09 80 fa 03 0f 8e 54 07 00 00 41 c7 86 40 ff ff ff ea ff ff ff 48 8d 78 28 48 ba 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 <80> 3c 11 00 0f 85 56 07 00 00 48 b9 00 00 00 00 00 fc ff df 48 8b
kobject: 'loop1' (000000006278bab9): fill_kobj_path: path = '/devices/virtual/block/loop1'
RSP: 0018:ffff8881d945f478 EFLAGS: 00010206
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000005
RDX: dffffc0000000000 RSI: ffffffff86b5d6f3 RDI: 0000000000000028
RBP: ffff8881d945f5a0 R08: ffff8881d94505c0 R09: ffffed103b28be6a
R10: ffffed103b28be6a R11: 0000000000000003 R12: ffff8881b704a5c0
R13: ffff8881d945f4b8 R14: ffff8881d945f578 R15: dffffc0000000000
kobject: 'gre0' (000000001c612ffb): fill_kobj_path: path = '/devices/virtual/net/gre0'
FS:  0000000000000000(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffec9be7be0 CR3: 00000001b9eb1000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
kobject: 'queues' (0000000060b8fc77): kobject_add_internal: parent: 'gre0', set: '<NULL>'
 kernel_accept+0x136/0x310 net/socket.c:3250
 smc_clcsock_accept net/smc/af_smc.c:840 [inline]
 smc_tcp_listen_work+0x218/0x11c0 net/smc/af_smc.c:1307
 process_one_work+0xc90/0x1c40 kernel/workqueue.c:2153
 worker_thread+0x17f/0x1390 kernel/workqueue.c:2296
 kthread+0x35a/0x440 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Modules linked in:
kobject: 'loop4' (00000000f90cee68): kobject_uevent_env
kobject: 'queues' (0000000060b8fc77): kobject_uevent_env
kobject: 'loop4' (00000000f90cee68): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'queues' (0000000060b8fc77): kobject_uevent_env: filter function caused the event to drop!
netlink: 4 bytes leftover after parsing attributes in process `syz-executor2'.
kobject: 'loop2' (00000000696766f1): kobject_uevent_env
kobject: 'loop2' (00000000696766f1): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'rx-0' (0000000096629a44): kobject_add_internal: parent: 'queues', set: 'queues'
netlink: 4 bytes leftover after parsing attributes in process `syz-executor2'.
kobject: 'rx-0' (0000000096629a44): kobject_uevent_env
---[ end trace 2356d8ff8838c167 ]---
RIP: 0010:inet_accept+0x106/0x9e0 net/ipv4/af_inet.c:734
Code: 09 80 fa 03 0f 8e 54 07 00 00 41 c7 86 40 ff ff ff ea ff ff ff 48 8d 78 28 48 ba 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 <80> 3c 11 00 0f 85 56 07 00 00 48 b9 00 00 00 00 00 fc ff df 48 8b
kobject: 'loop4' (00000000f90cee68): kobject_uevent_env
RSP: 0018:ffff8881d945f478 EFLAGS: 00010206
kobject: 'rx-0' (0000000096629a44): fill_kobj_path: path = '/devices/virtual/net/gre0/queues/rx-0'
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000005
kobject: 'tx-0' (00000000570c8b1c): kobject_add_internal: parent: 'queues', set: 'queues'
RDX: dffffc0000000000 RSI: ffffffff86b5d6f3 RDI: 0000000000000028
kobject: 'loop4' (00000000f90cee68): fill_kobj_path: path = '/devices/virtual/block/loop4'
RBP: ffff8881d945f5a0 R08: ffff8881d94505c0 R09: ffffed103b28be6a
kobject: 'tx-0' (00000000570c8b1c): kobject_uevent_env
R10: ffffed103b28be6a R11: 0000000000000003 R12: ffff8881b704a5c0
R13: ffff8881d945f4b8 R14: ffff8881d945f578 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
kobject: 'tx-0' (00000000570c8b1c): fill_kobj_path: path = '/devices/virtual/net/gre0/queues/tx-0'
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kobject: 'loop4' (00000000f90cee68): kobject_uevent_env
kobject: 'loop4' (00000000f90cee68): fill_kobj_path: path = '/devices/virtual/block/loop4'
CR2: 00007faafb075518 CR3: 000000018dd5a000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400