Failed to register TIPC socket type
IPVS: ftp: loaded support on port[0] = 21
audit: type=1400 audit(1559612429.333:41): avc:  denied  { create } for  pid=8489 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1
------------[ cut here ]------------
openvswitch: netlink: Tunnel attr 13 has unexpected len 0 expected 16
kernel BUG at lib/list_debug.c:29!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 8486 Comm: syz-executor.4 Not tainted 4.19.47 #19
IPVS: ftp: loaded support on port[0] = 21
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
audit: type=1400 audit(1559612429.363:42): avc:  denied  { write } for  pid=8489 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1
RIP: 0010:__list_add_valid.cold+0x26/0x3c lib/list_debug.c:29
Code: 56 ff ff ff 4c 89 e1 48 c7 c7 a0 ae 81 87 e8 d0 f3 30 fe 0f 0b 48 89 f2 4c 89 e1 4c 89 ee 48 c7 c7 e0 af 81 87 e8 b9 f3 30 fe <0f> 0b 48 89 f1 48 c7 c7 60 af 81 87 4c 89 e6 e8 a5 f3 30 fe 0f 0b
RSP: 0018:ffff88806e96fb88 EFLAGS: 00010282
kobject: 'loop0' (00000000b5b02897): kobject_uevent_env
RAX: 0000000000000058 RBX: ffffffff892e74a0 RCX: 0000000000000000
kobject: 'loop0' (00000000b5b02897): fill_kobj_path: path = '/devices/virtual/block/loop0'
RDX: 0000000000000000 RSI: ffffffff81559f66 RDI: ffffed100dd2df63
RBP: ffff88806e96fba0 R08: 0000000000000058 R09: ffffed1015d24fe9
R10: ffffed1015d24fe8 R11: ffff8880ae927f47 R12: ffffffff892e7630
R13: ffffffff892e7630 R14: ffffffff892e7630 R15: ffffffff892e75d0
FS:  0000000000d93940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff0fd2f9d8 CR3: 000000006eefd000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __list_add include/linux/list.h:60 [inline]
 list_add include/linux/list.h:79 [inline]
 proto_register+0x459/0x8e0 net/core/sock.c:3299
 tipc_socket_init+0x1c/0x70 net/tipc/socket.c:3157
 tipc_init_net+0x2ed/0x570 net/tipc/core.c:69
openvswitch: netlink: Tunnel attr 13 has unexpected len 0 expected 16
 ops_init+0xb3/0x410 net/core/net_namespace.c:129
 setup_net+0x2d3/0x740 net/core/net_namespace.c:315
 copy_net_ns+0x1df/0x340 net/core/net_namespace.c:438
 create_new_namespaces+0x400/0x7b0 kernel/nsproxy.c:107
 unshare_nsproxy_namespaces+0xc2/0x200 kernel/nsproxy.c:206
kobject: 'loop0' (00000000b5b02897): kobject_uevent_env
 ksys_unshare+0x440/0x980 kernel/fork.c:2525
kobject: 'loop0' (00000000b5b02897): fill_kobj_path: path = '/devices/virtual/block/loop0'
openvswitch: netlink: Tunnel attr 13 has unexpected len 0 expected 16
openvswitch: netlink: Tunnel attr 13 has unexpected len 0 expected 16
 __do_sys_unshare kernel/fork.c:2593 [inline]
 __se_sys_unshare kernel/fork.c:2591 [inline]
 __x64_sys_unshare+0x31/0x40 kernel/fork.c:2591
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
kobject: 'loop0' (00000000b5b02897): kobject_uevent_env
RIP: 0033:0x45bd47
kobject: 'loop0' (00000000b5b02897): fill_kobj_path: path = '/devices/virtual/block/loop0'
Code: 00 00 00 b8 63 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 1d 8d 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 fd 8c fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffdfec11398 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 000000000075c9a8 RCX: 000000000045bd47
RDX: 0000000000000000 RSI: 00007ffdfec11340 RDI: 0000000040000000
RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000005
R10: 0000000000000000 R11: 0000000000000206 R12: 000000000075c9a8
R13: 00007ffdfec11608 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
---[ end trace d00e574808018f77 ]---
RIP: 0010:__list_add_valid.cold+0x26/0x3c lib/list_debug.c:29
Code: 56 ff ff ff 4c 89 e1 48 c7 c7 a0 ae 81 87 e8 d0 f3 30 fe 0f 0b 48 89 f2 4c 89 e1 4c 89 ee 48 c7 c7 e0 af 81 87 e8 b9 f3 30 fe <0f> 0b 48 89 f1 48 c7 c7 60 af 81 87 4c 89 e6 e8 a5 f3 30 fe 0f 0b
RSP: 0018:ffff88806e96fb88 EFLAGS: 00010282
RAX: 0000000000000058 RBX: ffffffff892e74a0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff81559f66 RDI: ffffed100dd2df63
RBP: ffff88806e96fba0 R08: 0000000000000058 R09: ffffed1015d24fe9
R10: ffffed1015d24fe8 R11: ffff8880ae927f47 R12: ffffffff892e7630
R13: ffffffff892e7630 R14: ffffffff892e7630 R15: ffffffff892e75d0
FS:  0000000000d93940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff0fd2f9d8 CR3: 000000006eefd000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400