IPVS: ftp: loaded support on port[0] = 21
IPVS: ftp: loaded support on port[0] = 21
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
kobject: 'lo' (0000000008db9d6f): fill_kobj_path: path = '/devices/virtual/net/lo'
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 5581 Comm: syz-executor1 Not tainted 4.19.0-rc3-next-20180912+ #72
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:mqueue_get_tree+0xba/0x2e0 ipc/mqueue.c:362
Code: 4c 8d b3 98 00 00 00 4d 85 ed 0f 84 d1 00 00 00 e8 6b 44 3f fe 49 8d 7d 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 e3 01 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b
RSP: 0018:ffff88017c457928 EFLAGS: 00010a06
RAX: dffffc0000000000 RBX: ffff8801cb8ef300 RCX: ffffffff8160aca1
RDX: 1db80048400002b7 RSI: ffffffff833deb15 RDI: edc00242000015ba
kobject: 'queues' (00000000e8819fd9): kobject_add_internal: parent: 'lo', set: '<NULL>'
RBP: ffff88017c457948 R08: fffffbfff13555fd R09: fffffbfff13555fc
kobject: 'queues' (00000000e8819fd9): kobject_uevent_env
R10: fffffbfff13555fc R11: ffffffff89aaafe3 R12: ffff8801d7507100
R13: edc00242000015b2 R14: ffff8801cb8ef398 R15: ffff8801cb8ef398
FS:  0000000002820940(0000) GS:ffff8801dac00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000482e00 CR3: 00000001c8c72000 CR4: 00000000001406f0
kobject: 'queues' (00000000e8819fd9): kobject_uevent_env: filter function caused the event to drop!
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 vfs_get_tree+0x1cb/0x5c0 fs/super.c:1787
 mq_create_mount+0xe3/0x190 ipc/mqueue.c:415
kobject: 'rx-0' (00000000eab902c7): kobject_add_internal: parent: 'queues', set: 'queues'
 mq_init_ns+0x15a/0x210 ipc/mqueue.c:1621
 create_ipc_ns ipc/namespace.c:58 [inline]
 copy_ipcs+0x3d2/0x580 ipc/namespace.c:84
kobject: 'rx-0' (00000000eab902c7): kobject_uevent_env
kobject: 'rx-0' (00000000eab902c7): fill_kobj_path: path = '/devices/virtual/net/lo/queues/rx-0'
 create_new_namespaces+0x376/0x900 kernel/nsproxy.c:87
kobject: 'tx-0' (0000000002673ee1): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'tx-0' (0000000002673ee1): kobject_uevent_env
 unshare_nsproxy_namespaces+0xc3/0x1f0 kernel/nsproxy.c:206
 ksys_unshare+0x79c/0x10b0 kernel/fork.c:2535
kobject: 'tx-0' (0000000002673ee1): fill_kobj_path: path = '/devices/virtual/net/lo/queues/tx-0'
kobject: 'tunl0' (00000000950f166f): kobject_add_internal: parent: 'net', set: 'devices'
kobject: 'tunl0' (00000000950f166f): kobject_uevent_env
kobject: 'tunl0' (00000000950f166f): fill_kobj_path: path = '/devices/virtual/net/tunl0'
kobject: 'queues' (000000006b7e5d4f): kobject_add_internal: parent: 'tunl0', set: '<NULL>'
kobject: 'queues' (000000006b7e5d4f): kobject_uevent_env
 __do_sys_unshare kernel/fork.c:2603 [inline]
 __se_sys_unshare kernel/fork.c:2601 [inline]
 __x64_sys_unshare+0x31/0x40 kernel/fork.c:2601
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
kobject: 'queues' (000000006b7e5d4f): kobject_uevent_env: filter function caused the event to drop!
kobject: 'rx-0' (00000000030a5ae9): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'rx-0' (00000000030a5ae9): kobject_uevent_env
kobject: 'rx-0' (00000000030a5ae9): fill_kobj_path: path = '/devices/virtual/net/tunl0/queues/rx-0'
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
kobject: 'tx-0' (00000000bf05add3): kobject_add_internal: parent: 'queues', set: 'queues'
RIP: 0033:0x459d87
Code: 00 00 00 b8 63 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 3d 8a fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 1d 8a fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffc8ac3a538 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
kobject: 'tx-0' (00000000bf05add3): kobject_uevent_env
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459d87
RDX: 0000000000000000 RSI: 00007ffc8ac3a540 RDI: 0000000008000000
RBP: 0000000000930b28 R08: 0000000000000000 R09: 0000000000000018
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
R13: 0000000000412cc0 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
kobject: 'tx-0' (00000000bf05add3): fill_kobj_path: path = '/devices/virtual/net/tunl0/queues/tx-0'
---[ end trace d74f4666a41aae24 ]---
kobject: 'gre0' (000000006c84ed0b): kobject_add_internal: parent: 'net', set: 'devices'
RIP: 0010:mqueue_get_tree+0xba/0x2e0 ipc/mqueue.c:362
kobject: 'gre0' (000000006c84ed0b): kobject_uevent_env
Code: 4c 8d b3 98 00 00 00 4d 85 ed 0f 84 d1 00 00 00 e8 6b 44 3f fe 49 8d 7d 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 e3 01 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b
kobject: 'gre0' (000000006c84ed0b): fill_kobj_path: path = '/devices/virtual/net/gre0'
RSP: 0018:ffff88017c457928 EFLAGS: 00010a06
kobject: 'queues' (00000000392d71a2): kobject_add_internal: parent: 'gre0', set: '<NULL>'
kobject: 'queues' (00000000392d71a2): kobject_uevent_env
RAX: dffffc0000000000 RBX: ffff8801cb8ef300 RCX: ffffffff8160aca1
kobject: 'queues' (00000000392d71a2): kobject_uevent_env: filter function caused the event to drop!
RDX: 1db80048400002b7 RSI: ffffffff833deb15 RDI: edc00242000015ba
kobject: 'rx-0' (0000000018fad2c1): kobject_add_internal: parent: 'queues', set: 'queues'
RBP: ffff88017c457948 R08: fffffbfff13555fd R09: fffffbfff13555fc
kobject: 'rx-0' (0000000018fad2c1): kobject_uevent_env
R10: fffffbfff13555fc R11: ffffffff89aaafe3 R12: ffff8801d7507100
kobject: 'rx-0' (0000000018fad2c1): fill_kobj_path: path = '/devices/virtual/net/gre0/queues/rx-0'
R13: edc00242000015b2 R14: ffff8801cb8ef398 R15: ffff8801cb8ef398
kobject: 'tx-0' (000000000814bb25): kobject_add_internal: parent: 'queues', set: 'queues'
FS:  0000000002820940(0000) GS:ffff8801dac00000(0000) knlGS:0000000000000000
kobject: 'tx-0' (000000000814bb25): kobject_uevent_env
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000482e00 CR3: 00000001c8c72000 CR4: 00000000001406f0
kobject: 'tx-0' (000000000814bb25): fill_kobj_path: path = '/devices/virtual/net/gre0/queues/tx-0'
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
kobject: 'gre0' (000000006547380e): kobject_add_internal: parent: 'net', set: 'devices'
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
kobject: 'gre0' (000000006547380e): kobject_uevent_env