sit: non-ECT from 0.0.0.0 with TOS=0x2 ============================= WARNING: suspicious RCU usage 4.16.0-rc1+ #231 Not tainted ----------------------------- ./include/net/inet_sock.h:136 suspicious rcu_dereference_check() usage! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 1 lock held by syz-executor2/5809: #0: (sk_lock-AF_INET6){+.+.}, at: [<00000000ce8a2659>] lock_sock include/net/sock.h:1463 [inline] #0: (sk_lock-AF_INET6){+.+.}, at: [<00000000ce8a2659>] inet_dccp_listen+0x43/0x1e0 net/dccp/proto.c:938 stack backtrace: CPU: 1 PID: 5809 Comm: syz-executor2 Not tainted 4.16.0-rc1+ #231 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 lockdep_rcu_suspicious+0x123/0x170 kernel/locking/lockdep.c:4592 ireq_opt_deref include/net/inet_sock.h:135 [inline] inet_csk_route_req+0x824/0xca0 net/ipv4/inet_connection_sock.c:543 x_tables: ip6_tables: recent.0 match: invalid size 216 (kernel) != (user) 232 dccp_v4_send_response+0xa7/0x650 net/dccp/ipv4.c:485 dccp_v4_conn_request+0x9ee/0x11b0 net/dccp/ipv4.c:633 dccp_v6_conn_request+0xd30/0x1410 net/dccp/ipv6.c:317 dccp_rcv_state_process+0x574/0x1620 net/dccp/input.c:612 dccp_v4_do_rcv+0xf1/0x160 net/dccp/ipv4.c:682 dccp_v6_do_rcv+0x86a/0xa70 net/dccp/ipv6.c:578 sk_backlog_rcv include/net/sock.h:908 [inline] __release_sock+0x124/0x360 net/core/sock.c:2275 release_sock+0xa4/0x2a0 net/core/sock.c:2790 inet_dccp_listen+0x11b/0x1e0 net/dccp/proto.c:964 SYSC_listen net/socket.c:1503 [inline] SyS_listen+0x1aa/0x350 net/socket.c:1489 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x26/0x9b RIP: 0033:0x453d69 RSP: 002b:00007fcc2bb62c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000032 RAX: ffffffffffffffda RBX: 00007fcc2bb636d4 RCX: 0000000000453d69 RDX: 0000000000000000 RSI: 0000000000008000 RDI: 0000000000000013 RBP: 000000000072bf58 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000003c2 R14: 00000000006f5ad0 R15: 0000000000000001 ============================= WARNING: suspicious RCU usage 4.16.0-rc1+ #231 Not tainted ----------------------------- ./include/net/inet_sock.h:136 suspicious rcu_dereference_check() usage! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 1 lock held by syz-executor2/5809: #0: (sk_lock-AF_INET6){+.+.}, at: [<00000000ce8a2659>] lock_sock include/net/sock.h:1463 [inline] #0: (sk_lock-AF_INET6){+.+.}, at: [<00000000ce8a2659>] inet_dccp_listen+0x43/0x1e0 net/dccp/proto.c:938 stack backtrace: CPU: 1 PID: 5809 Comm: syz-executor2 Not tainted 4.16.0-rc1+ #231 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 lockdep_rcu_suspicious+0x123/0x170 kernel/locking/lockdep.c:4592 ireq_opt_deref include/net/inet_sock.h:135 [inline] dccp_v4_send_response+0x4b6/0x650 net/dccp/ipv4.c:496 dccp_v4_conn_request+0x9ee/0x11b0 net/dccp/ipv4.c:633 dccp_v6_conn_request+0xd30/0x1410 net/dccp/ipv6.c:317 dccp_rcv_state_process+0x574/0x1620 net/dccp/input.c:612 dccp_v4_do_rcv+0xf1/0x160 net/dccp/ipv4.c:682 dccp_v6_do_rcv+0x86a/0xa70 net/dccp/ipv6.c:578 sk_backlog_rcv include/net/sock.h:908 [inline] __release_sock+0x124/0x360 net/core/sock.c:2275 release_sock+0xa4/0x2a0 net/core/sock.c:2790 inet_dccp_listen+0x11b/0x1e0 net/dccp/proto.c:964 SYSC_listen net/socket.c:1503 [inline] SyS_listen+0x1aa/0x350 net/socket.c:1489 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x26/0x9b RIP: 0033:0x453d69 RSP: 002b:00007fcc2bb62c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000032 RAX: ffffffffffffffda RBX: 00007fcc2bb636d4 RCX: 0000000000453d69 RDX: 0000000000000000 RSI: 0000000000008000 RDI: 0000000000000013 RBP: 000000000072bf58 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000003c2 R14: 00000000006f5ad0 R15: 0000000000000001 dccp_close: ABORT with 2 bytes unread sctp: [Deprecated]: syz-executor2 (pid 5878) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead Cannot find add_set index 1024 as target sctp: [Deprecated]: syz-executor2 (pid 5890) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=5947 comm=syz-executor2 ebt_limit: overflow, try lower: 0/0 ebt_limit: overflow, try lower: 0/0 device bridge0 entered promiscuous mode device bridge0 left promiscuous mode device bridge0 entered promiscuous mode device bridge0 left promiscuous mode netlink: 'syz-executor3': attribute type 10 has an invalid length. device lo entered promiscuous mode device lo left promiscuous mode device lo entered promiscuous mode device lo left promiscuous mode ====================================================== WARNING: possible circular locking dependency detected 4.16.0-rc1+ #231 Not tainted ------------------------------------------------------ syz-executor0/6243 is trying to acquire lock: netlink: 'syz-executor7': attribute type 21 has an invalid length. (rtnl_mutex){+.+.}, at: [<000000006ef740f7>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:74 but task is already holding lock: (&xt[i].mutex){+.+.}, at: [<00000000176c9c64>] xt_find_table_lock+0x3e/0x3e0 net/netfilter/x_tables.c:1046 which lock already depends on the new lock. netlink: 'syz-executor7': attribute type 21 has an invalid length. the existing dependency chain (in reverse order) is: -> #2 (&xt[i].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 xt_find_table_lock+0x3e/0x3e0 net/netfilter/x_tables.c:1046 xt_request_find_table_lock+0x28/0xc0 net/netfilter/x_tables.c:1093 get_info+0x154/0x690 net/ipv6/netfilter/ip6_tables.c:989 do_ip6t_get_ctl+0x159/0xaf0 net/ipv6/netfilter/ip6_tables.c:1710 nf_sockopt net/netfilter/nf_sockopt.c:104 [inline] nf_getsockopt+0x6a/0xc0 net/netfilter/nf_sockopt.c:122 ipv6_getsockopt+0x1df/0x2e0 net/ipv6/ipv6_sockglue.c:1371 tcp_getsockopt+0x82/0xd0 net/ipv4/tcp.c:3359 sock_common_getsockopt+0x95/0xd0 net/core/sock.c:2938 SYSC_getsockopt net/socket.c:1881 [inline] SyS_getsockopt+0x178/0x340 net/socket.c:1863 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x26/0x9b -> #1 (sk_lock-AF_INET6){+.+.}: lock_sock_nested+0xc2/0x110 net/core/sock.c:2781 lock_sock include/net/sock.h:1463 [inline] do_ipv6_setsockopt.isra.8+0x3c5/0x39d0 net/ipv6/ipv6_sockglue.c:167 ipv6_setsockopt+0xd7/0x130 net/ipv6/ipv6_sockglue.c:922 tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2905 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2979 SYSC_setsockopt net/socket.c:1850 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1829 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x26/0x9b -> #0 (rtnl_mutex){+.+.}: lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:3920 __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 unregister_netdevice_notifier+0x91/0x4e0 net/core/dev.c:1673 tee_tg_destroy+0x61/0xc0 net/netfilter/xt_TEE.c:123 cleanup_entry+0x242/0x380 net/ipv6/netfilter/ip6_tables.c:673 __do_replace+0x7ac/0xa70 net/ipv6/netfilter/ip6_tables.c:1108 do_replace net/ipv6/netfilter/ip6_tables.c:1164 [inline] do_ip6t_set_ctl+0x40f/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+0x10b/0x130 net/ipv6/ipv6_sockglue.c:927 rawv6_setsockopt+0x4a/0xf0 net/ipv6/raw.c:1060 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2979 SYSC_setsockopt net/socket.c:1850 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1829 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x26/0x9b other info that might help us debug this: Chain exists of: rtnl_mutex --> sk_lock-AF_INET6 --> &xt[i].mutex Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&xt[i].mutex); lock(sk_lock-AF_INET6); lock(&xt[i].mutex); lock(rtnl_mutex); *** DEADLOCK *** 1 lock held by syz-executor0/6243: #0: (&xt[i].mutex){+.+.}, at: [<00000000176c9c64>] xt_find_table_lock+0x3e/0x3e0 net/netfilter/x_tables.c:1046 stack backtrace: CPU: 1 PID: 6243 Comm: syz-executor0 Not tainted 4.16.0-rc1+ #231 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 __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 unregister_netdevice_notifier+0x91/0x4e0 net/core/dev.c:1673 tee_tg_destroy+0x61/0xc0 net/netfilter/xt_TEE.c:123 cleanup_entry+0x242/0x380 net/ipv6/netfilter/ip6_tables.c:673 __do_replace+0x7ac/0xa70 net/ipv6/netfilter/ip6_tables.c:1108 do_replace net/ipv6/netfilter/ip6_tables.c:1164 [inline] do_ip6t_set_ctl+0x40f/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+0x10b/0x130 net/ipv6/ipv6_sockglue.c:927 rawv6_setsockopt+0x4a/0xf0 net/ipv6/raw.c:1060 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2979 SYSC_setsockopt net/socket.c:1850 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1829 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x26/0x9b RIP: 0033:0x453d69 RSP: 002b:00007f93ef32cc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f93ef32d6d4 RCX: 0000000000453d69 RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000014 RBP: 000000000072bf58 R08: 0000000000000340 R09: 0000000000000000 R10: 0000000020007000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000004d5 R14: 00000000006f7498 R15: 0000000000000001 audit: type=1400 audit(1519028872.706:33): avc: denied { getopt } for pid=6255 comm="syz-executor6" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:unlabeled_t:s0 tclass=socket permissive=1 xt_connbytes: Forcing CT accounting to be enabled arp_tables: arptables: counters copy to user failed while replacing table kauditd_printk_skb: 2 callbacks suppressed audit: type=1400 audit(1519028873.337:36): avc: denied { getopt } for pid=6494 comm="syz-executor4" 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 dccp_invalid_packet: P.Data Offset(0) too small audit: type=1400 audit(1519028873.515:37): avc: denied { read } for pid=6537 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_generic_socket permissive=1 xt_connbytes: Forcing CT accounting to be enabled audit: type=1400 audit(1519028873.696:38): avc: denied { setopt } for pid=6598 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 syz-executor1 (6644) used greatest stack depth: 15248 bytes left syz-executor1 (6633) used greatest stack depth: 13824 bytes left audit: type=1400 audit(1519028873.947:39): avc: denied { ioctl } for pid=6695 comm="syz-executor7" path="socket:[17561]" dev="sockfs" ino=17561 ioctlcmd=0x8916 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 x_tables: ip6_tables: SYNPROXY target: used from hooks INPUT/OUTPUT, but only usable from INPUT/FORWARD x_tables: ip6_tables: SYNPROXY target: used from hooks INPUT/OUTPUT, but only usable from INPUT/FORWARD sock: process `syz-executor2' is using obsolete getsockopt SO_BSDCOMPAT arp_tables: arp_tables: error: 'îÏ ¡˜™«arY,Gµí>+×t€ó_Ãm ' arp_tables: arp_tables: error: 'îÏ ¡˜™«arY,Gµí>+×t€ó_Ãm ' kernel msg: ebtables bug: please report to author: Entries_size never zero kernel msg: ebtables bug: please report to author: Entries_size never zero audit: type=1400 audit(1519028874.212:40): avc: denied { getopt } for pid=6779 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(1519028874.213:41): avc: denied { write } for pid=6779 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(1519028874.219:42): avc: denied { setopt } for pid=6779 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 netlink: 40 bytes leftover after parsing attributes in process `syz-executor1'. device syz5 entered promiscuous mode SELinux: unrecognized netlink message: protocol=0 nlmsg_type=29392 sclass=netlink_route_socket pig=6924 comm=syz-executor5 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=29392 sclass=netlink_route_socket pig=6941 comm=syz-executor5 x_tables: ip6_tables: mh match: only valid for protocol 135 x_tables: ip6_tables: mh match: only valid for protocol 135 BUG: sleeping function called from invalid context at mm/slab.h:420 in_atomic(): 1, irqs_disabled(): 0, pid: 7167, name: syz-executor4 INFO: lockdep is turned off. CPU: 0 PID: 7167 Comm: syz-executor4 Not tainted 4.16.0-rc1+ #231 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 sctp: [Deprecated]: syz-executor5 (pid 7173) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:53 ___might_sleep+0x2b2/0x470 kernel/sched/core.c:6128 __might_sleep+0x95/0x190 kernel/sched/core.c:6081 sctp: [Deprecated]: syz-executor5 (pid 7177) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead slab_pre_alloc_hook mm/slab.h:420 [inline] slab_alloc mm/slab.c:3365 [inline] kmem_cache_alloc+0x2a2/0x760 mm/slab.c:3539 rds_tcp_conn_alloc+0xa7/0x4e0 net/rds/tcp.c:293 x_tables: ip6_tables: rpfilter match: used from hooks PREROUTING/OUTPUT, but only valid from PREROUTING __rds_conn_create+0x112f/0x1b50 net/rds/connection.c:227 x_tables: ip6_tables: rpfilter match: used from hooks PREROUTING/OUTPUT, but only valid from PREROUTING rds_conn_create_outgoing+0x3f/0x50 net/rds/connection.c:309 rds_sendmsg+0xe63/0x2550 net/rds/send.c:1153 sock_sendmsg_nosec net/socket.c:629 [inline] sock_sendmsg+0xca/0x110 net/socket.c:639 SYSC_sendto+0x361/0x5c0 net/socket.c:1748 SyS_sendto+0x40/0x50 net/socket.c:1716 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x26/0x9b RIP: 0033:0x453d69 RSP: 002b:00007f497f6f1c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f497f6f26d4 RCX: 0000000000453d69 RDX: 0000000000000000 RSI: 0000000020fc2000 RDI: 0000000000000013 RBP: 000000000072bea0 R08: 000000002069affb R09: 0000000000000010 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000004b9 R14: 00000000006f71f8 R15: 0000000000000000 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=23 sclass=netlink_route_socket pig=7212 comm=syz-executor5 audit: type=1400 audit(1519028876.033:43): avc: denied { relabelto } for pid=7313 comm="syz-executor1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:udev_var_run_t:s0 tclass=packet permissive=1 audit: type=1400 audit(1519028876.043:44): avc: denied { send } for pid=7313 comm="syz-executor1" saddr=fe80::1:b daddr=fe80:: netif=tunl0 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:udev_var_run_t:s0 tclass=packet permissive=1 audit: type=1400 audit(1519028876.043:45): avc: denied { send } for pid=7313 comm="syz-executor1" saddr=fe80::1:b daddr=fe80::1:b netif=lo scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:udev_var_run_t:s0 tclass=packet permissive=1 netlink: 3 bytes leftover after parsing attributes in process `syz-executor0'. xt_SECMARK: invalid security context 'syspem_u:object_r:udev_Šar_run_t:' xt_connbytes: Forcing CT accounting to be enabled IPv4: Oversized IP packet from 127.0.0.1 IPv4: Oversized IP packet from 127.0.0.1 netlink: 16 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 16 bytes leftover after parsing attributes in process `syz-executor4'. IPv4: Oversized IP packet from 127.0.0.1 IPv4: Oversized IP packet from 127.0.0.1 netlink: 8 bytes leftover after parsing attributes in process `syz-executor4'. openvswitch: netlink: Flow set message rejected, Key attribute missing. netlink: 8 bytes leftover after parsing attributes in process `syz-executor4'. openvswitch: netlink: Flow set message rejected, Key attribute missing. xt_dscp: dscp ff out of range xt_dscp: dscp ff out of range netlink: 28 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 28 bytes leftover after parsing attributes in process `syz-executor1'. 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 netlink: 8 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor7'. ipt_CLUSTERIP: Please specify destination IP ipt_CLUSTERIP: Please specify destination IP can: request_module (can-proto-0) failed. can: request_module (can-proto-0) failed. sctp: [Deprecated]: syz-executor6 (pid 8238) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead xt_connbytes: Forcing CT accounting to be enabled sctp: [Deprecated]: syz-executor6 (pid 8238) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead SELinux: unrecognized netlink message: protocol=9 nlmsg_type=16 sclass=netlink_audit_socket pig=8389 comm=syz-executor1 SELinux: unrecognized netlink message: protocol=9 nlmsg_type=16 sclass=netlink_audit_socket pig=8406 comm=syz-executor1 kauditd_printk_skb: 8 callbacks suppressed audit: type=1400 audit(1519028879.200:54): avc: denied { net_broadcast } for pid=8444 comm="syz-executor5" 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 netlink: 'syz-executor0': attribute type 21 has an invalid length. netlink: 'syz-executor0': attribute type 3 has an invalid length. sctp: [Deprecated]: syz-executor4 (pid 8498) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor4 (pid 8498) Use of int in maxseg socket option. Use struct sctp_assoc_value instead netlink: 'syz-executor1': attribute type 1 has an invalid length. audit: type=1400 audit(1519028879.561:55): avc: denied { create } for pid=8540 comm="syz-executor7" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_connector_socket permissive=1 netlink: 'syz-executor1': attribute type 1 has an invalid length.