kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
kobject: 'eql' (0000000089dadea2): kobject_uevent_env
CPU: 0 PID: 12217 Comm: syz-executor5 Not tainted 5.0.0-rc5 #59
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:cma_bind_listen drivers/infiniband/core/cma.c:3358 [inline]
RIP: 0010:rdma_listen+0x2df/0x8e0 drivers/infiniband/core/cma.c:3472
Code: 8b ac 24 c8 01 00 00 31 f6 48 c7 c7 00 41 1c 89 e8 c6 1f fb 01 48 b8 00 00 00 00 00 fc ff df 49 8d 7d 08 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 5a 05 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b
RSP: 0018:ffff88805023fb10 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000
kobject: 'eql' (0000000089dadea2): fill_kobj_path: path = '/devices/virtual/net/eql'
RDX: 0000000000000001 RSI: 0000000000000008 RDI: 0000000000000008
RBP: ffff88805023fb48 R08: 1ffffffff1238820 R09: fffffbfff1238821
R10: ffff88805023fb00 R11: ffffffff891c4107 R12: ffff88805a2fcbc0
R13: 0000000000000000 R14: 0000000000000400 R15: 0000000000000007
FS:  00007f37e9c32700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000a0b6f000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ucma_listen+0x14d/0x1c0 drivers/infiniband/core/ucma.c:1100
 ucma_write+0x2da/0x3c0 drivers/infiniband/core/ucma.c:1689
 __vfs_write+0x116/0x8e0 fs/read_write.c:485
kobject: 'queues' (00000000246c478a): kobject_add_internal: parent: 'eql', set: '<NULL>'
kobject: 'queues' (00000000246c478a): kobject_uevent_env
 vfs_write+0x20c/0x580 fs/read_write.c:549
 ksys_write+0xea/0x1f0 fs/read_write.c:598
kobject: 'queues' (00000000246c478a): kobject_uevent_env: filter function caused the event to drop!
 __do_sys_write fs/read_write.c:610 [inline]
 __se_sys_write fs/read_write.c:607 [inline]
 __x64_sys_write+0x73/0xb0 fs/read_write.c:607
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457e39
Code: ad b8 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 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f37e9c31c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457e39
RDX: 0000000000000010 RSI: 00000000200001c0 RDI: 0000000000000006
kobject: 'rx-0' (00000000e50a91c3): kobject_add_internal: parent: 'queues', set: 'queues'
RBP: 000000000073c040 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f37e9c326d4
R13: 00000000004c6ffc R14: 00000000004dc920 R15: 00000000ffffffff
Modules linked in:
---[ end trace 32f8249a087042cd ]---
kobject: 'rx-0' (00000000e50a91c3): kobject_uevent_env
kobject: 'loop2' (00000000c6510497): kobject_uevent_env
kobject: 'rx-0' (00000000e50a91c3): fill_kobj_path: path = '/devices/virtual/net/eql/queues/rx-0'
kobject: 'loop2' (00000000c6510497): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'tx-0' (00000000a9ede77f): kobject_add_internal: parent: 'queues', set: 'queues'
RIP: 0010:cma_bind_listen drivers/infiniband/core/cma.c:3358 [inline]
RIP: 0010:rdma_listen+0x2df/0x8e0 drivers/infiniband/core/cma.c:3472
kobject: 'tx-0' (00000000a9ede77f): kobject_uevent_env
kobject: 'kvm' (000000007a2fa651): kobject_uevent_env
kobject: 'tx-0' (00000000a9ede77f): fill_kobj_path: path = '/devices/virtual/net/eql/queues/tx-0'
kobject: 'loop3' (00000000845ee42c): kobject_uevent_env
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'ip6tnl0' (000000003cc66dd1): kobject_cleanup, parent           (null)
kobject: 'kvm' (000000007a2fa651): kobject_uevent_env
kobject: 'ip6tnl0' (000000003cc66dd1): auto cleanup 'remove' event
Code: 8b ac 24 c8 01 00 00 31 f6 48 c7 c7 00 41 1c 89 e8 c6 1f fb 01 48 b8 00 00 00 00 00 fc ff df 49 8d 7d 08 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 5a 05 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b
kobject: 'ip6tnl0' (000000003cc66dd1): kobject_uevent_env
kobject: 'loop3' (00000000845ee42c): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'ip6tnl0' (000000003cc66dd1): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'kvm' (000000007a2fa651): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'ip6tnl0' (000000003cc66dd1): calling ktype release
kobject: 'loop2' (00000000c6510497): kobject_uevent_env
kobject: 'ip6tnl0': free name
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'kvm' (000000007a2fa651): fill_kobj_path: path = '/devices/virtual/misc/kvm'
binder: 12252:12253 ioctl 40345632 20000040 returned -22
RSP: 0018:ffff88805023fb10 EFLAGS: 00010202
kobject: 'loop2' (00000000c6510497): fill_kobj_path: path = '/devices/virtual/block/loop2'
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000000000000008 RDI: 0000000000000008
kobject: 'loop2' (00000000c6510497): kobject_uevent_env
kobject: 'loop2' (00000000c6510497): fill_kobj_path: path = '/devices/virtual/block/loop2'
RBP: ffff88805023fb48 R08: 1ffffffff1238820 R09: fffffbfff1238821
kobject: 'loop4' (000000007c0740a9): kobject_uevent_env
binder: 12252 invalid dec weak, ref 13 desc 0 s 2 w 0
kobject: 'loop4' (000000007c0740a9): fill_kobj_path: path = '/devices/virtual/block/loop4'
R10: ffff88805023fb00 R11: ffffffff891c4107 R12: ffff88805a2fcbc0
kobject: 'loop3' (00000000845ee42c): kobject_uevent_env
kobject: 'loop3' (00000000845ee42c): fill_kobj_path: path = '/devices/virtual/block/loop3'
R13: 0000000000000000 R14: 0000000000000400 R15: 0000000000000007
kobject: 'kvm' (000000007a2fa651): kobject_uevent_env
FS:  00007f37e9c32700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
kobject: 'rx-0' (00000000e50a91c3): kobject_cleanup, parent 00000000246c478a
kobject: 'rx-0' (00000000e50a91c3): auto cleanup 'remove' event
kobject: 'rx-0' (00000000e50a91c3): kobject_uevent_env
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kobject: 'kvm' (000000007a2fa651): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'rx-0' (00000000e50a91c3): fill_kobj_path: path = '/devices/virtual/net/eql/queues/rx-0'
CR2: 0000000000f5fe80 CR3: 00000000a0b6f000 CR4: 00000000001426e0
kobject: 'rx-0' (00000000e50a91c3): auto cleanup kobject_del
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
kobject: 'rx-0' (00000000e50a91c3): calling ktype release
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
kobject: 'loop0' (00000000df1f2ef3): kobject_uevent_env
kobject: 'rx-0': free name
kobject: 'tx-0' (00000000a9ede77f): kobject_cleanup, parent 00000000246c478a