======================================================
WARNING: possible circular locking dependency detected
4.15.0+ #220 Not tainted
------------------------------------------------------
syz-executor1/5428 is trying to acquire lock:
(sk_lock-AF_INET6){+.+.}, at: [<00000000125b8219>] lock_sock include/net/sock.h:1461 [inline]
(sk_lock-AF_INET6){+.+.}, at: [<00000000125b8219>] do_ipv6_setsockopt.isra.8+0x3c5/0x39d0 net/ipv6/ipv6_sockglue.c:167
but task is already holding lock:
(rtnl_mutex){+.+.}, at: [<0000000095d12443>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:74
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #1 (rtnl_mutex){+.+.}:
__mutex_lock_common kernel/locking/mutex.c:756 [inline]
__mutex_lock+0x16f/0x1a80 kernel/locking/mutex.c:893
mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908
rtnl_lock+0x17/0x20 net/core/rtnetlink.c:74
register_netdevice_notifier+0xad/0x860 net/core/dev.c:1607
tee_tg_check+0x1a0/0x280 net/netfilter/xt_TEE.c:106
xt_check_target+0x22c/0x7d0 net/netfilter/x_tables.c:845
check_target net/ipv6/netfilter/ip6_tables.c:533 [inline]
find_check_entry.isra.7+0x935/0xcf0 net/ipv6/netfilter/ip6_tables.c:575
translate_table+0xf52/0x1690 net/ipv6/netfilter/ip6_tables.c:744
do_replace net/ipv6/netfilter/ip6_tables.c:1160 [inline]
do_ip6t_set_ctl+0x370/0x5f0 net/ipv6/netfilter/ip6_tables.c:1686
nf_sockopt net/netfilter/nf_sockopt.c:106 [inline]
nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115
ipv6_setsockopt+0x115/0x150 net/ipv6/ipv6_sockglue.c:928
rawv6_setsockopt+0x4a/0xf0 net/ipv6/raw.c:1060
sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2978
SYSC_setsockopt net/socket.c:1849 [inline]
SyS_setsockopt+0x189/0x360 net/socket.c:1828
entry_SYSCALL_64_fastpath+0x29/0xa0
-> #0 (sk_lock-AF_INET6){+.+.}:
lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:3920
lock_sock_nested+0xc2/0x110 net/core/sock.c:2780
lock_sock include/net/sock.h:1461 [inline]
do_ipv6_setsockopt.isra.8+0x3c5/0x39d0 net/ipv6/ipv6_sockglue.c:167
ipv6_setsockopt+0xd7/0x150 net/ipv6/ipv6_sockglue.c:922
tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2905
sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2978
SYSC_setsockopt net/socket.c:1849 [inline]
SyS_setsockopt+0x189/0x360 net/socket.c:1828
entry_SYSCALL_64_fastpath+0x29/0xa0
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(rtnl_mutex);
lock(sk_lock-AF_INET6);
lock(rtnl_mutex);
lock(sk_lock-AF_INET6);
*** DEADLOCK ***
1 lock held by syz-executor1/5428:
#0: (rtnl_mutex){+.+.}, at: [<0000000095d12443>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:74
stack backtrace:
CPU: 0 PID: 5428 Comm: syz-executor1 Not tainted 4.15.0+ #220
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:53
print_circular_bug.isra.38+0x2cd/0x2dc kernel/locking/lockdep.c:1223
check_prev_add kernel/locking/lockdep.c:1863 [inline]
check_prevs_add kernel/locking/lockdep.c:1976 [inline]
validate_chain kernel/locking/lockdep.c:2417 [inline]
__lock_acquire+0x30a8/0x3e00 kernel/locking/lockdep.c:3431
lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:3920
lock_sock_nested+0xc2/0x110 net/core/sock.c:2780
lock_sock include/net/sock.h:1461 [inline]
do_ipv6_setsockopt.isra.8+0x3c5/0x39d0 net/ipv6/ipv6_sockglue.c:167
ipv6_setsockopt+0xd7/0x150 net/ipv6/ipv6_sockglue.c:922
tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2905
sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2978
SYSC_setsockopt net/socket.c:1849 [inline]
SyS_setsockopt+0x189/0x360 net/socket.c:1828
entry_SYSCALL_64_fastpath+0x29/0xa0
RIP: 0033:0x453299
RSP: 002b:00007f2055edec58 EFLAGS: 00000212 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000453299
RDX: 000000000000001b RSI: 0000000000000029 RDI: 0000000000000013
RBP: 00000000000005cf R08: 0000000000000020 R09: 0000000000000000
R10: 00000000200aa000 R11: 0000000000000212 R12: 00000000006f7c08
R13: 00000000ffffffff R14: 00007f2055edf6d4 R15: 0000000000000000
syz-executor3 (5404) used greatest stack depth: 15248 bytes left
syz-executor7 uses obsolete (PF_INET,SOCK_PACKET)
audit: type=1400 audit(1517657583.996:22): avc: denied { map_read map_write } for pid=5436 comm="syz-executor1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1
netlink: 'syz-executor2': attribute type 4 has an invalid length.
netlink: 'syz-executor2': attribute type 4 has an invalid length.
audit: type=1400 audit(1517657584.056:23): avc: denied { name_bind } for pid=5460 comm="syz-executor7" src=20030 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:port_t:s0 tclass=dccp_socket permissive=1
audit: type=1400 audit(1517657584.056:24): avc: denied { node_bind } for pid=5460 comm="syz-executor7" saddr=0.0.0.1 src=20030 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:node_t:s0 tclass=dccp_socket permissive=1
audit: type=1400 audit(1517657584.342:25): avc: denied { getopt } for pid=5537 comm="syz-executor3" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1
audit: type=1400 audit(1517657584.418:26): avc: denied { create } for pid=5575 comm="syz-executor0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_crypto_socket permissive=1
audit: type=1400 audit(1517657584.430:27): avc: denied { setopt } for pid=5575 comm="syz-executor0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_crypto_socket permissive=1
syz-executor1: vmalloc: allocation failure: 17179082752 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null)
syz-executor1 cpuset=/ mems_allowed=0
CPU: 0 PID: 5868 Comm: syz-executor1 Not tainted 4.15.0+ #220
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:53
warn_alloc+0x19a/0x2b0 mm/page_alloc.c:3306
__vmalloc_node_range+0x4f0/0x650 mm/vmalloc.c:1775
__vmalloc_node mm/vmalloc.c:1804 [inline]
__vmalloc_node_flags_caller+0x50/0x60 mm/vmalloc.c:1826
kvmalloc_node+0x82/0xd0 mm/util.c:428
kvmalloc include/linux/mm.h:541 [inline]
kvmalloc_array include/linux/mm.h:557 [inline]
xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:774
translate_table+0x235/0x1690 net/ipv6/netfilter/ip6_tables.c:699
do_replace net/ipv6/netfilter/ip6_tables.c:1160 [inline]
do_ip6t_set_ctl+0x370/0x5f0 net/ipv6/netfilter/ip6_tables.c:1686
nf_sockopt net/netfilter/nf_sockopt.c:106 [inline]
nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115
ipv6_setsockopt+0x115/0x150 net/ipv6/ipv6_sockglue.c:928
tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2905
sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2978
SYSC_setsockopt net/socket.c:1849 [inline]
SyS_setsockopt+0x189/0x360 net/socket.c:1828
entry_SYSCALL_64_fastpath+0x29/0xa0
RIP: 0033:0x453299
RSP: 002b:00007f2055edec58 EFLAGS: 00000212 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000453299
RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000014
RBP: 000000000000000b R08: 0000000000000004 R09: 0000000000000000
R10: 0000000020001fde R11: 0000000000000212 R12: 00000000006ef1a8
R13: 00000000ffffffff R14: 00007f2055edf6d4 R15: 0000000000000000
Mem-Info:
active_anon:56761 inactive_anon:63 isolated_anon:0
active_file:3451 inactive_file:8341 isolated_file:0
unevictable:0 dirty:6351 writeback:0 unstable:0
slab_reclaimable:6938 slab_unreclaimable:92136
mapped:24104 shmem:70 pagetables:692 bounce:0
free:1434298 free_pcp:350 free_cma:0
Node 0 active_anon:227044kB inactive_anon:252kB active_file:13804kB inactive_file:33364kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:96416kB dirty:25404kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 79872kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 2868 6378 6378
Node 0 DMA32 free:2939264kB min:30316kB low:37892kB high:45468kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129292kB managed:2939968kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:704kB local_pcp:44kB free_cma:0kB
lowmem_reserve[]: 0 0 3510 3510
Node 0 Normal free:2782020kB min:37100kB low:46372kB high:55644kB active_anon:227044kB inactive_anon:252kB active_file:13804kB inactive_file:33364kB unevictable:0kB writepending:25404kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:4096kB pagetables:2768kB bounce:0kB free_pcp:696kB local_pcp:212kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0
Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
Node 0 DMA32: 2*4kB (M) 1*8kB (M) 3*16kB (M) 2*32kB (M) 0*64kB 2*128kB (M) 2*256kB (M) 3*512kB (M) 2*1024kB (M) 1*2048kB (M) 716*4096kB (M) = 2939264kB
Node 0 Normal: 421*4kB (UME) 1674*8kB (UME) 1310*16kB (UME) 204*32kB (UME) 19*64kB (UME) 19*128kB (UME) 7*256kB (UE) 12*512kB (UME) 60*1024kB (M) 2*2048kB (ME) 650*4096kB (M) = 2782084kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
11861 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
1965969 pages RAM
0 pages HighMem/MovableOnly
328417 pages reserved
syz-executor1: vmalloc: allocation failure: 17179082752 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null)
syz-executor1 cpuset=/ mems_allowed=0
CPU: 1 PID: 5868 Comm: syz-executor1 Not tainted 4.15.0+ #220
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:53
warn_alloc+0x19a/0x2b0 mm/page_alloc.c:3306
__vmalloc_node_range+0x4f0/0x650 mm/vmalloc.c:1775
__vmalloc_node mm/vmalloc.c:1804 [inline]
__vmalloc_node_flags_caller+0x50/0x60 mm/vmalloc.c:1826
kvmalloc_node+0x82/0xd0 mm/util.c:428
kvmalloc include/linux/mm.h:541 [inline]
kvmalloc_array include/linux/mm.h:557 [inline]
xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:774
translate_table+0x235/0x1690 net/ipv6/netfilter/ip6_tables.c:699
do_replace net/ipv6/netfilter/ip6_tables.c:1160 [inline]
do_ip6t_set_ctl+0x370/0x5f0 net/ipv6/netfilter/ip6_tables.c:1686
nf_sockopt net/netfilter/nf_sockopt.c:106 [inline]
nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115
ipv6_setsockopt+0x115/0x150 net/ipv6/ipv6_sockglue.c:928
tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2905
sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2978
SYSC_setsockopt net/socket.c:1849 [inline]
SyS_setsockopt+0x189/0x360 net/socket.c:1828
entry_SYSCALL_64_fastpath+0x29/0xa0
RIP: 0033:0x453299
RSP: 002b:00007f2055edec58 EFLAGS: 00000212 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000453299
RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000016
RBP: 0000000000000507 R08: 0000000000000004 R09: 0000000000000000
R10: 0000000020001fde R11: 0000000000000212 R12: 00000000006f6948
R13: 00000000ffffffff R14: 00007f2055edf6d4 R15: 0000000000000000
device syz5 entered promiscuous mode
device syz5 left promiscuous mode
device syz5 entered promiscuous mode
Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable
Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable
xt_TPROXY: Can be used only in combination with either -p tcp or -p udp
xt_TPROXY: Can be used only in combination with either -p tcp or -p udp
SELinux: unrecognized netlink message: protocol=6 nlmsg_type=23733 sclass=netlink_xfrm_socket pig=6093 comm=syz-executor1
SELinux: unrecognized netlink message: protocol=6 nlmsg_type=23733 sclass=netlink_xfrm_socket pig=6093 comm=syz-executor1
dst_release: dst:00000000c60d5322 refcnt:-1
openvswitch: netlink: Message has 4 unknown bytes.
xt_l2tp: missing protocol rule (udp|l2tpip)
xt_l2tp: missing protocol rule (udp|l2tpip)
device syz1 entered promiscuous mode
device syz1 left promiscuous mode
device syz1 entered promiscuous mode
audit: type=1400 audit(1517657585.150:28): avc: denied { write } for pid=5801 comm="syz-executor0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:unlabeled_t:s0 tclass=socket permissive=1
dccp_invalid_packet: pskb_may_pull failed
dccp_invalid_packet: P.Data Offset(0) too small
dccp_invalid_packet: P.Data Offset(0) too small
netlink: 'syz-executor7': attribute type 1 has an invalid length.
device syz2 entered promiscuous mode
device syz2 left promiscuous mode
syz-executor0 (6480) used greatest stack depth: 14864 bytes left
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=2398 sclass=netlink_route_socket pig=6523 comm=syz-executor7
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=2398 sclass=netlink_route_socket pig=6557 comm=syz-executor7
device syz2 entered promiscuous mode
netlink: 4 bytes leftover after parsing attributes in process `syz-executor4'.
netlink: 4 bytes leftover after parsing attributes in process `syz-executor4'.
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=256 sclass=netlink_route_socket pig=6776 comm=syz-executor2
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=256 sclass=netlink_route_socket pig=6776 comm=syz-executor2
device lo entered promiscuous mode
netlink: 'syz-executor1': attribute type 8 has an invalid length.
netlink: 'syz-executor4': attribute type 1 has an invalid length.
openvswitch: netlink: Flow key attr not present in new flow.
openvswitch: netlink: Flow key attr not present in new flow.
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=64002 sclass=netlink_route_socket pig=7364 comm=syz-executor6
xt_TCPMSS: Only works on TCP SYN packets
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=64002 sclass=netlink_route_socket pig=7364 comm=syz-executor6
SELinux: unrecognized netlink message: protocol=4 nlmsg_type=24 sclass=netlink_tcpdiag_socket pig=7623 comm=syz-executor7
netlink: 'syz-executor1': attribute type 7 has an invalid length.
netlink: 'syz-executor5': attribute type 15 has an invalid length.
netlink: 'syz-executor5': attribute type 15 has an invalid length.
sctp: [Deprecated]: syz-executor3 (pid 7641) Use of struct sctp_assoc_value in delayed_ack socket option.
Use struct sctp_sack_info instead
sit: non-ECT from 0.0.0.0 with TOS=0x2
sctp: [Deprecated]: syz-executor3 (pid 7641) Use of struct sctp_assoc_value in delayed_ack socket option.
Use struct sctp_sack_info instead
netlink: 3 bytes leftover after parsing attributes in process `syz-executor4'.
RDS: rds_bind could not find a transport for 224.0.0.1, load rds_tcp or rds_rdma?
netlink: 3 bytes leftover after parsing attributes in process `syz-executor4'.
netlink: 3 bytes leftover after parsing attributes in process `syz-executor4'.
netlink: 3 bytes leftover after parsing attributes in process `syz-executor4'.
netlink: 3 bytes leftover after parsing attributes in process `syz-executor4'.
netlink: 3 bytes leftover after parsing attributes in process `syz-executor4'.
netlink: 1 bytes leftover after parsing attributes in process `syz-executor5'.
netlink: 1 bytes leftover after parsing attributes in process `syz-executor5'.
kauditd_printk_skb: 8 callbacks suppressed
audit: type=1400 audit(1517657590.492:37): avc: denied { net_broadcast } for pid=7737 comm="syz-executor6" capability=11 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1
rdma_op 000000006a2824da conn xmit_rdma (null)
netlink: 'syz-executor5': attribute type 21 has an invalid length.
netlink: 'syz-executor5': attribute type 21 has an invalid length.
netlink: 'syz-executor4': attribute type 4 has an invalid length.
netlink: 'syz-executor4': attribute type 4 has an invalid length.
net_ratelimit: 3 callbacks suppressed
Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable
Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable
RDS: rds_bind could not find a transport for 224.0.0.1, load rds_tcp or rds_rdma?
do_dccp_setsockopt: sockopt(CHANGE_L/R) is deprecated: fix your app
netlink: 'syz-executor4': attribute type 21 has an invalid length.
IPv4: Oversized IP packet from 127.0.0.1
netlink: 'syz-executor4': attribute type 21 has an invalid length.
IPv4: Oversized IP packet from 127.0.0.1
netlink: 'syz-executor7': attribute type 21 has an invalid length.
audit: type=1400 audit(1517657592.094:38): avc: denied { map } for pid=8280 comm="syz-executor6" path="socket:[18800]" dev="sockfs" ino=18800 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=packet_socket permissive=1
Dead loop on virtual device ip6_vti0, fix it urgently!
audit: type=1400 audit(1517657592.703:39): avc: denied { accept } for pid=8527 comm="syz-executor0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1
Dead loop on virtual device ip6_vti0, fix it urgently!
audit: type=1400 audit(1517657592.858:40): avc: denied { create } for pid=8588 comm="syz-executor1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_iscsi_socket permissive=1
ip6_tables: ip6tables: counters copy to user failed while replacing table
ip6_tables: ip6tables: counters copy to user failed while replacing table
xt_cluster: you have exceeded the maximum number of cluster nodes (189 > 32)
sctp: [Deprecated]: syz-executor2 (pid 8733) Use of struct sctp_assoc_value in delayed_ack socket option.
Use struct sctp_sack_info instead
xt_cluster: you have exceeded the maximum number of cluster nodes (189 > 32)
sctp: [Deprecated]: syz-executor2 (pid 8759) Use of struct sctp_assoc_value in delayed_ack socket option.
Use struct sctp_sack_info instead
ICMPv6: NA: 00:00:00:00:00:00 advertised our address fe80::aa on syz0!
SELinux: unrecognized netlink message: protocol=4 nlmsg_type=16 sclass=netlink_tcpdiag_socket pig=8859 comm=syz-executor3
device gretap0 entered promiscuous mode
SELinux: unrecognized netlink message: protocol=4 nlmsg_type=16 sclass=netlink_tcpdiag_socket pig=8841 comm=syz-executor3
device gretap0 left promiscuous mode
audit: type=1400 audit(1517657593.811:41): avc: denied { read } for pid=8987 comm="syz-executor0" 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
mip6: mip6_destopt_init_state: state's mode is not 2: 0
mip6: mip6_destopt_init_state: state's mode is not 2: 0
nla_parse: 3 callbacks suppressed