BUG: sleeping function called from invalid context at net/core/sock.c:2772 in_atomic(): 1, irqs_disabled(): 0, pid: 21, name: kworker/u4:1 5 locks held by kworker/u4:1/21: #0: ((wq_completion)"%s""netns"){+.+.}, at: [<00000000e35fc2f0>] process_one_work+0xaaf/0x1af0 kernel/workqueue.c:2084 #1: (net_cleanup_work){+.+.}, at: [<000000005f56be4d>] process_one_work+0xb01/0x1af0 kernel/workqueue.c:2088 #2: (net_sem){++++}, at: [<00000000ee0181c2>] cleanup_net+0x23f/0xd20 net/core/net_namespace.c:494 #3: (net_mutex){+.+.}, at: [<00000000e593beba>] cleanup_net+0xa7d/0xd20 net/core/net_namespace.c:496 #4: (&(&srv->idr_lock)->rlock){+...}, at: [<000000006e2a5ab6>] spin_lock_bh include/linux/spinlock.h:315 [inline] #4: (&(&srv->idr_lock)->rlock){+...}, at: [<000000006e2a5ab6>] tipc_topsrv_stop+0x231/0x610 net/tipc/topsrv.c:685 CPU: 0 PID: 21 Comm: kworker/u4:1 Not tainted 4.16.0-rc1+ #232 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: netns cleanup_net 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 lock_sock_nested+0x37/0x110 net/core/sock.c:2772 lock_sock include/net/sock.h:1463 [inline] tipc_release+0x103/0xff0 net/tipc/socket.c:572 sock_release+0x8d/0x1e0 net/socket.c:594 tipc_topsrv_stop+0x3c0/0x610 net/tipc/topsrv.c:696 tipc_exit_net+0x15/0x40 net/tipc/core.c:96 ops_exit_list.isra.6+0xae/0x150 net/core/net_namespace.c:148 cleanup_net+0x6ba/0xd20 net/core/net_namespace.c:529 process_one_work+0xbbf/0x1af0 kernel/workqueue.c:2113 worker_thread+0x223/0x1990 kernel/workqueue.c:2247 kthread+0x33c/0x400 kernel/kthread.c:238 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:429 netlink: 16 bytes leftover after parsing attributes in process `syz-executor3'. ====================================================== WARNING: possible circular locking dependency detected 4.16.0-rc1+ #232 Tainted: G W ------------------------------------------------------ syz-executor4/5629 is trying to acquire lock: (rtnl_mutex){+.+.}, at: [<000000004bced259>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:74 but task is already holding lock: (&xt[i].mutex){+.+.}, at: [<000000004d1c0e80>] xt_find_table_lock+0x3e/0x3e0 net/netfilter/x_tables.c:1046 which lock already depends on the new lock. 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 udpv6_setsockopt+0x45/0x80 net/ipv6/udp.c:1422 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+0x218/0x350 net/ipv4/netfilter/ip_tables.c:654 __do_replace+0x79d/0xa50 net/ipv4/netfilter/ip_tables.c:1089 do_replace net/ipv4/netfilter/ip_tables.c:1145 [inline] do_ipt_set_ctl+0x40f/0x5f0 net/ipv4/netfilter/ip_tables.c:1675 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115 ip_setsockopt+0x97/0xa0 net/ipv4/ip_sockglue.c:1261 udp_setsockopt+0x45/0x80 net/ipv4/udp.c:2401 ipv6_setsockopt+0xa0/0x130 net/ipv6/ipv6_sockglue.c:917 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 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-executor4/5629: #0: (&xt[i].mutex){+.+.}, at: [<000000004d1c0e80>] xt_find_table_lock+0x3e/0x3e0 net/netfilter/x_tables.c:1046 stack backtrace: CPU: 1 PID: 5629 Comm: syz-executor4 Tainted: G W 4.16.0-rc1+ #232 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+0x218/0x350 net/ipv4/netfilter/ip_tables.c:654 __do_replace+0x79d/0xa50 net/ipv4/netfilter/ip_tables.c:1089 do_replace net/ipv4/netfilter/ip_tables.c:1145 [inline] do_ipt_set_ctl+0x40f/0x5f0 net/ipv4/netfilter/ip_tables.c:1675 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115 ip_setsockopt+0x97/0xa0 net/ipv4/ip_sockglue.c:1261 udp_setsockopt+0x45/0x80 net/ipv4/udp.c:2401 ipv6_setsockopt+0xa0/0x130 net/ipv6/ipv6_sockglue.c:917 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 RIP: 0033:0x453d69 RSP: 002b:00007f2c39a7ec68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f2c39a7f6d4 RCX: 0000000000453d69 RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000015 RBP: 000000000072bf58 R08: 0000000000000370 R09: 0000000000000000 R10: 0000000020031000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000004d6 R14: 00000000006f74b0 R15: 0000000000000001 netlink: 'syz-executor3': attribute type 1 has an invalid length. netlink: 'syz-executor3': attribute type 1 has an invalid length. netlink: 'syz-executor3': attribute type 1 has an invalid length. netlink: 'syz-executor3': attribute type 1 has an invalid length. ipt_ECN: new ECT codepoint fa out of mask kauditd_printk_skb: 7 callbacks suppressed audit: type=1400 audit(1519069729.760:28): avc: denied { ioctl } for pid=5713 comm="syz-executor3" path="socket:[14862]" dev="sockfs" ino=14862 ioctlcmd=0x8933 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 ipt_ECN: new ECT codepoint fa out of mask audit: type=1400 audit(1519069729.927:29): avc: denied { node_bind } for pid=5766 comm="syz-executor6" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:node_t:s0 tclass=dccp_socket permissive=1 IPVS: length: 24 != 8 sctp: [Deprecated]: syz-executor1 (pid 5847) Use of int in maxseg socket option. Use struct sctp_assoc_value instead IPVS: length: 24 != 8 audit: type=1400 audit(1519069730.184:30): avc: denied { name_bind } for pid=5875 comm="syz-executor6" src=20024 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(1519069730.185:31): avc: denied { name_connect } for pid=5875 comm="syz-executor6" dest=20024 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:port_t:s0 tclass=dccp_socket permissive=1 BUG: sleeping function called from invalid context at mm/slab.h:420 in_atomic(): 1, irqs_disabled(): 0, pid: 5882, name: syz-executor0 INFO: lockdep is turned off. CPU: 0 PID: 5882 Comm: syz-executor0 Tainted: G W 4.16.0-rc1+ #232 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 ___might_sleep+0x2b2/0x470 kernel/sched/core.c:6128 __might_sleep+0x95/0x190 kernel/sched/core.c:6081 slab_pre_alloc_hook mm/slab.h:420 [inline] slab_alloc mm/slab.c:3365 [inline] kmem_cache_alloc_trace+0x299/0x740 mm/slab.c:3605 kmalloc include/linux/slab.h:512 [inline] kzalloc include/linux/slab.h:701 [inline] rds_loop_conn_alloc+0xc8/0x380 net/rds/loop.c:126 __rds_conn_create+0x112f/0x1b50 net/rds/connection.c:227 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:00007fe727fb0c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fe727fb16d4 RCX: 0000000000453d69 RDX: 0000000000000000 RSI: 00000000203edfff RDI: 0000000000000013 RBP: 000000000072bea0 R08: 0000000020dfcff0 R09: 0000000000000010 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000004b9 R14: 00000000006f71f8 R15: 0000000000000000 dst_release: dst:000000009f2a40b7 refcnt:-1 dccp_close: ABORT with 1 bytes unread dccp_close: ABORT with 1 bytes unread Protocol error: SET target dimension is over the limit! Protocol error: SET target dimension is over the limit! audit: type=1400 audit(1519069730.970:32): avc: denied { prog_run } for pid=6007 comm="syz-executor6" 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 IPVS: length: 24 != 8 ieee80211 phy2: Selected rate control algorithm 'minstrel_ht' IPVS: length: 24 != 8 ipt_REJECT: ECHOREPLY no longer supported. ieee80211 phy3: Selected rate control algorithm 'minstrel_ht' ipt_REJECT: ECHOREPLY no longer supported. netlink: 244 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 244 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 244 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 244 bytes leftover after parsing attributes in process `syz-executor1'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=6252 comm=syz-executor1 netlink: 'syz-executor3': attribute type 3 has an invalid length. xt_TCPMSS: Only works on TCP SYN packets l2tp_core: tunl 59: sockfd_lookup(fd=0) returned -88 l2tp_core: tunl 59: sockfd_lookup(fd=0) returned -88 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=3926 sclass=netlink_route_socket pig=6357 comm=syz-executor1 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=3926 sclass=netlink_route_socket pig=6369 comm=syz-executor1 device syz4 entered promiscuous mode device syz4 left promiscuous mode x_tables: ip6_tables: TCPMSS target: only valid for protocol 6 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=35 sclass=netlink_route_socket pig=6524 comm=syz-executor7 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=35 sclass=netlink_route_socket pig=6533 comm=syz-executor7 kernel msg: ebtables bug: please report to author: Wrong len argument kernel msg: ebtables bug: please report to author: Wrong len argument xt_DSCP: dscp fc out of range xt_CONNSECMARK: invalid mode: 0 xt_DSCP: dscp fc out of range xt_CONNSECMARK: invalid mode: 0 device lo entered promiscuous mode x_tables: ip_tables: icmp match: only valid for protocol 1 audit: type=1400 audit(1519069732.991:33): avc: denied { map } for pid=6762 comm="syz-executor1" path="socket:[16970]" dev="sockfs" ino=16970 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=rawip_socket permissive=1 x_tables: ip_tables: icmp match: only valid for protocol 1 audit: type=1400 audit(1519069733.127:34): avc: denied { net_broadcast } for pid=6816 comm="syz-executor2" 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 audit: type=1400 audit(1519069733.182:35): avc: denied { map } for pid=6810 comm="syz-executor0" path="socket:[17037]" dev="sockfs" ino=17037 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=unix_stream_socket permissive=1 sctp: [Deprecated]: syz-executor5 (pid 6848) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead sctp: [Deprecated]: syz-executor5 (pid 6855) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead sctp: [Deprecated]: syz-executor0 (pid 6904) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor0 (pid 6904) Use of int in maxseg socket option. Use struct sctp_assoc_value instead audit: type=1400 audit(1519069733.522:36): avc: denied { getattr } for pid=6960 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 kernel msg: ebtables bug: please report to author: Total nentries is wrong Cannot find add_set index 0 as target Cannot find add_set index 0 as target kernel msg: ebtables bug: please report to author: Total nentries is wrong BUG: sleeping function called from invalid context at mm/slab.h:420 in_atomic(): 1, irqs_disabled(): 0, pid: 7052, name: syz-executor3 INFO: lockdep is turned off. CPU: 1 PID: 7052 Comm: syz-executor3 Tainted: G W 4.16.0-rc1+ #232 IPv4: Oversized IP packet from 172.20.2.12 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 ___might_sleep+0x2b2/0x470 kernel/sched/core.c:6128 __might_sleep+0x95/0x190 kernel/sched/core.c:6081 slab_pre_alloc_hook mm/slab.h:420 [inline] slab_alloc mm/slab.c:3365 [inline] kmem_cache_alloc_trace+0x299/0x740 mm/slab.c:3605 kmalloc include/linux/slab.h:512 [inline] kzalloc include/linux/slab.h:701 [inline] rds_loop_conn_alloc+0xc8/0x380 net/rds/loop.c:126 __rds_conn_create+0x112f/0x1b50 net/rds/connection.c:227 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 ___sys_sendmsg+0x767/0x8b0 net/socket.c:2047 __sys_sendmsg+0xe5/0x210 net/socket.c:2081 SYSC_sendmsg net/socket.c:2092 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2088 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x26/0x9b RIP: 0033:0x453d69 RSP: 002b:00007fb7a7a53c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fb7a7a546d4 RCX: 0000000000453d69 RDX: 0000000000000000 RSI: 0000000020159fc8 RDI: 0000000000000013 RBP: 000000000072bf58 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000004a7 R14: 00000000006f7048 R15: 0000000000000001 netlink: 12 bytes leftover after parsing attributes in process `syz-executor1'. SELinux: unrecognized netlink message: protocol=6 nlmsg_type=3847 sclass=netlink_xfrm_socket pig=7165 comm=syz-executor1 netlink: 12 bytes leftover after parsing attributes in process `syz-executor1'. xt_CT: netfilter: NOTRACK target is deprecated, use CT instead or upgrade iptables syz-executor1 (7243) used greatest stack depth: 14768 bytes left xt_l2tp: v2 sid > 0xffff: 268435456 xt_l2tp: v2 sid > 0xffff: 268435456 Cannot find add_set index 0 as target SELinux: unrecognized netlink message: protocol=9 nlmsg_type=16 sclass=netlink_audit_socket pig=7494 comm=syz-executor1 audit: type=1400 audit(1519069735.391:37): avc: denied { relabelto } for pid=7542 comm="syz-executor4" 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(1519069735.418:38): avc: denied { send } for pid=7542 comm="syz-executor4" saddr=fe80::4:e src=47955 daddr=fe80:: dest=53232 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(1519069735.418:39): avc: denied { send } for pid=7542 comm="syz-executor4" saddr=fe80::4:e daddr=fe80::4:e netif=lo scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:udev_var_run_t:s0 tclass=packet permissive=1 audit: type=1400 audit(1519069735.594:40): avc: denied { setopt } for pid=7624 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_generic_socket permissive=1 audit: type=1400 audit(1519069735.917:41): avc: denied { read } for pid=7731 comm="syz-executor2" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:unlabeled_t:s0 tclass=socket permissive=1 audit: type=1400 audit(1519069736.010:42): avc: denied { create } for pid=7751 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 dccp_xmit_packet: Payload too large (65423) for featneg. dccp_close: ABORT with 65869 bytes unread xt_CT: You must specify a L4 protocol, and not use inversions on it. SELinux: unrecognized netlink message: protocol=4 nlmsg_type=1025 sclass=netlink_tcpdiag_socket pig=7901 comm=syz-executor5 xt_CT: You must specify a L4 protocol, and not use inversions on it. SELinux: unrecognized netlink message: protocol=4 nlmsg_type=1025 sclass=netlink_tcpdiag_socket pig=7908 comm=syz-executor5 SELinux: unrecognized netlink message: protocol=4 nlmsg_type=1025 sclass=netlink_tcpdiag_socket pig=7901 comm=syz-executor5 xt_l2tp: missing protocol rule (udp|l2tpip) audit: type=1400 audit(1519069736.512:43): avc: denied { map } for pid=7920 comm="syz-executor6" path=2F616E6F6E5F6875676570616765202864656C6574656429 dev="hugetlbfs" ino=19403 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:hugetlbfs_t:s0 tclass=file permissive=1 xt_l2tp: missing protocol rule (udp|l2tpip) bpf: check failed: parse error bpf: check failed: parse error audit: type=1400 audit(1519069736.719:44): avc: denied { create } for pid=8002 comm="syz-executor5" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_fib_lookup_socket permissive=1 audit: type=1400 audit(1519069736.721:45): avc: denied { write } for pid=8002 comm="syz-executor5" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_fib_lookup_socket permissive=1 audit: type=1400 audit(1519069736.726:46): avc: denied { ioctl } for pid=8002 comm="syz-executor5" path="socket:[21511]" dev="sockfs" ino=21511 ioctlcmd=0x7437 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_fib_lookup_socket permissive=1 xt_connbytes: Forcing CT accounting to be enabled sock: process `syz-executor5' is using obsolete setsockopt SO_BSDCOMPAT xt_hashlimit: overflow, rate too high: 0 xt_hashlimit: overflow, rate too high: 0 sctp: [Deprecated]: syz-executor1 (pid 8164) Use of int in maxseg socket option. Use struct sctp_assoc_value instead do_dccp_getsockopt: sockopt(PACKET_SIZE) is deprecated: fix your app do_dccp_getsockopt: sockopt(PACKET_SIZE) is deprecated: fix your app sctp: [Deprecated]: syz-executor1 (pid 8164) Use of int in maxseg socket option. Use struct sctp_assoc_value instead syz3: Invalid MTU 0 requested, hw min 68 sock: sock_set_timeout: `syz-executor2' (pid 8292) tries to set negative timeout syz3: Invalid MTU 0 requested, hw min 68 netlink: 'syz-executor6': attribute type 1 has an invalid length. netlink: 'syz-executor6': attribute type 1 has an invalid length. SELinux: unrecognized netlink message: protocol=4 nlmsg_type=17 sclass=netlink_tcpdiag_socket pig=8406 comm=syz-executor1 SELinux: unrecognized netlink message: protocol=4 nlmsg_type=17 sclass=netlink_tcpdiag_socket pig=8406 comm=syz-executor1