IPVS: ftp: loaded support on port[0] = 21
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
general protection fault: 0000 [#1] PREEMPT SMP KASAN
kobject: 'erspan0' (0000000027d14454): kobject_add_internal: parent: 'net', set: 'devices'
CPU: 0 PID: 5580 Comm: syz-executor4 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
kobject: 'erspan0' (0000000027d14454): 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: 'erspan0' (0000000027d14454): fill_kobj_path: path = '/devices/virtual/net/erspan0'
RSP: 0018:ffff88014abaf928 EFLAGS: 00010203
RAX: dffffc0000000000 RBX: ffff8801d529e980 RCX: ffffffff8160aca1
RDX: 0004200000000002 RSI: ffffffff833deb15 RDI: 0021000000000016
RBP: ffff88014abaf948 R08: fffffbfff13555fd R09: fffffbfff13555fc
R10: fffffbfff13555fc R11: ffffffff89aaafe3 R12: ffff8801d7b5af80
R13: 002100000000000e R14: ffff8801d529ea18 R15: ffff8801d529ea18
FS:  000000000201b940(0000) GS:ffff8801dac00000(0000) knlGS:0000000000000000
kobject: 'queues' (00000000a4063c03): kobject_add_internal: parent: 'erspan0', set: '<NULL>'
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000482e00 CR3: 000000014ab89000 CR4: 00000000001406f0
kobject: 'queues' (00000000a4063c03): kobject_uevent_env
Call Trace:
 vfs_get_tree+0x1cb/0x5c0 fs/super.c:1787
 mq_create_mount+0xe3/0x190 ipc/mqueue.c:415
 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: 'queues' (00000000a4063c03): kobject_uevent_env: filter function caused the event to drop!
 create_new_namespaces+0x376/0x900 kernel/nsproxy.c:87
kobject: 'rx-0' (00000000f240bc30): kobject_add_internal: parent: 'queues', set: 'queues'
 unshare_nsproxy_namespaces+0xc3/0x1f0 kernel/nsproxy.c:206
 ksys_unshare+0x79c/0x10b0 kernel/fork.c:2535
kobject: 'rx-0' (00000000f240bc30): kobject_uevent_env
kobject: 'rx-0' (00000000f240bc30): fill_kobj_path: path = '/devices/virtual/net/erspan0/queues/rx-0'
kobject: 'tx-0' (00000000534cfeb7): kobject_add_internal: parent: 'queues', set: 'queues'
 __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: 'tx-0' (00000000534cfeb7): kobject_uevent_env
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
kobject: 'tx-0' (00000000534cfeb7): fill_kobj_path: path = '/devices/virtual/net/erspan0/queues/tx-0'
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:00007ffc917eb6e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459d87
RDX: 0000000000000000 RSI: 00007ffc917eb6f0 RDI: 0000000008000000
kobject: 'ip_vti0' (00000000aa599c85): kobject_add_internal: parent: 'net', set: 'devices'
RBP: 0000000000930b28 R08: 0000000000000000 R09: 0000000000000018
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
R13: 0000000000412cc0 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
---[ end trace e67c9d4578d1f9b5 ]---
kobject: 'ip_vti0' (00000000aa599c85): kobject_uevent_env
RIP: 0010:mqueue_get_tree+0xba/0x2e0 ipc/mqueue.c:362
kobject: 'ip_vti0' (00000000aa599c85): fill_kobj_path: path = '/devices/virtual/net/ip_vti0'
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: 'queues' (0000000014573e76): kobject_add_internal: parent: 'ip_vti0', set: '<NULL>'
RSP: 0018:ffff88014abaf928 EFLAGS: 00010203
kobject: 'queues' (0000000014573e76): kobject_uevent_env
RAX: dffffc0000000000 RBX: ffff8801d529e980 RCX: ffffffff8160aca1
RDX: 0004200000000002 RSI: ffffffff833deb15 RDI: 0021000000000016
RBP: ffff88014abaf948 R08: fffffbfff13555fd R09: fffffbfff13555fc
R10: fffffbfff13555fc R11: ffffffff89aaafe3 R12: ffff8801d7b5af80
R13: 002100000000000e R14: ffff8801d529ea18 R15: ffff8801d529ea18
FS:  000000000201b940(0000) GS:ffff8801dac00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000482e00 CR3: 000000014ab89000 CR4: 00000000001406f0