============================= WARNING: suspicious RCU usage 4.15.0+ #308 Not tainted ----------------------------- ./include/linux/rcupdate.h:302 Illegal context switch in RCU read-side critical section! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 1 lock held by syz-executor2/7450: #0: (rcu_read_lock){....}, at: [<000000009e7e759f>] __rds_conn_create+0xe46/0x1b50 net/rds/connection.c:218 stack backtrace: CPU: 1 PID: 7450 Comm: syz-executor2 Not tainted 4.15.0+ #308 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 rcu_preempt_sleep_check include/linux/rcupdate.h:301 [inline] ___might_sleep+0x385/0x470 kernel/sched/core.c:6093 __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+0x2a2/0x760 mm/slab.c:3539 rds_tcp_conn_alloc+0xa7/0x4e0 net/rds/tcp.c:296 __rds_conn_create+0x112f/0x1b50 net/rds/connection.c:227 rds_conn_create_outgoing+0x3f/0x50 net/rds/connection.c:309 rds_sendmsg+0xda3/0x2390 net/rds/send.c:1126 sock_sendmsg_nosec net/socket.c:630 [inline] sock_sendmsg+0xca/0x110 net/socket.c:640 ___sys_sendmsg+0x767/0x8b0 net/socket.c:2046 __sys_sendmsg+0xe5/0x210 net/socket.c:2080 SYSC_sendmsg net/socket.c:2091 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2087 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x26/0x9b RIP: 0033:0x453a59 RSP: 002b:00007f6f369c5c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f6f369c66d4 RCX: 0000000000453a59 RDX: 0000000000000000 RSI: 0000000020006fc8 RDI: 0000000000000013 RBP: 000000000071bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000004b5 R14: 00000000006f7198 R15: 0000000000000000 BUG: sleeping function called from invalid context at mm/slab.h:420 in_atomic(): 1, irqs_disabled(): 0, pid: 7450, name: syz-executor2 1 lock held by syz-executor2/7450: #0: (rcu_read_lock){....}, at: [<000000009e7e759f>] __rds_conn_create+0xe46/0x1b50 net/rds/connection.c:218 CPU: 1 PID: 7450 Comm: syz-executor2 Not tainted 4.15.0+ #308 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+0x2a2/0x760 mm/slab.c:3539 rds_tcp_conn_alloc+0xa7/0x4e0 net/rds/tcp.c:296 __rds_conn_create+0x112f/0x1b50 net/rds/connection.c:227 rds_conn_create_outgoing+0x3f/0x50 net/rds/connection.c:309 rds_sendmsg+0xda3/0x2390 net/rds/send.c:1126 sock_sendmsg_nosec net/socket.c:630 [inline] sock_sendmsg+0xca/0x110 net/socket.c:640 ___sys_sendmsg+0x767/0x8b0 net/socket.c:2046 __sys_sendmsg+0xe5/0x210 net/socket.c:2080 SYSC_sendmsg net/socket.c:2091 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2087 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x26/0x9b RIP: 0033:0x453a59 RSP: 002b:00007f6f369c5c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f6f369c66d4 RCX: 0000000000453a59 RDX: 0000000000000000 RSI: 0000000020006fc8 RDI: 0000000000000013 RBP: 000000000071bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000004b5 R14: 00000000006f7198 R15: 0000000000000000 audit: type=1400 audit(1518379632.195:41): avc: denied { net_bind_service } for pid=7490 comm="syz-executor7" capability=10 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 capability: warning: `syz-executor7' uses deprecated v2 capabilities in a way that may be insecure ====================================================== WARNING: possible circular locking dependency detected 4.15.0+ #308 Tainted: G W ------------------------------------------------------ syz-executor3/7524 is trying to acquire lock: (rtnl_mutex){+.+.}, at: [<000000005031a700>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:74 but task is already holding lock: (&xt[i].mutex){+.+.}, at: [<00000000b660fc44>] 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_arpt_get_ctl+0x2a9/0xa00 net/ipv4/netfilter/arp_tables.c:1481 nf_sockopt net/netfilter/nf_sockopt.c:104 [inline] nf_getsockopt+0x6a/0xc0 net/netfilter/nf_sockopt.c:122 ip_getsockopt+0x15c/0x220 net/ipv4/ip_sockglue.c:1571 tcp_getsockopt+0x82/0xd0 net/ipv4/tcp.c:3359 sock_common_getsockopt+0x95/0xd0 net/core/sock.c:2934 SYSC_getsockopt net/socket.c:1880 [inline] SyS_getsockopt+0x178/0x340 net/socket.c:1862 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x26/0x9b -> #1 (sk_lock-AF_INET){+.+.}: lock_sock_nested+0xc2/0x110 net/core/sock.c:2777 lock_sock include/net/sock.h:1463 [inline] do_ip_setsockopt.isra.12+0x1d9/0x3210 net/ipv4/ip_sockglue.c:646 ip_setsockopt+0x3a/0xa0 net/ipv4/ip_sockglue.c:1252 udp_setsockopt+0x45/0x80 net/ipv4/udp.c:2401 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2975 SYSC_setsockopt net/socket.c:1849 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1828 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:2975 SYSC_setsockopt net/socket.c:1849 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1828 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_INET --> &xt[i].mutex Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&xt[i].mutex); lock(sk_lock-AF_INET); lock(&xt[i].mutex); lock(rtnl_mutex); *** DEADLOCK *** 1 lock held by syz-executor3/7524: #0: (&xt[i].mutex){+.+.}, at: [<00000000b660fc44>] xt_find_table_lock+0x3e/0x3e0 net/netfilter/x_tables.c:1046 stack backtrace: CPU: 1 PID: 7524 Comm: syz-executor3 Tainted: G W 4.15.0+ #308 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:2975 SYSC_setsockopt net/socket.c:1849 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1828 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x26/0x9b RIP: 0033:0x453a59 RSP: 002b:00007f18f888ec68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f18f888f6d4 RCX: 0000000000453a59 RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000015 RBP: 000000000071bea0 R08: 00000000000003c0 R09: 0000000000000000 R10: 0000000020010c40 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000004d4 R14: 00000000006f7480 R15: 0000000000000000 audit: type=1400 audit(1518379633.275:42): avc: denied { call } for pid=7586 comm="syz-executor2" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=binder permissive=1 audit: type=1400 audit(1518379633.283:43): avc: denied { map } for pid=7561 comm="syz-executor3" path="/dev/dsp" dev="devtmpfs" ino=158 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:sound_device_t:s0 tclass=chr_file permissive=1 binder_alloc: binder_alloc_mmap_handler: 7586 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 7586:7608 ioctl 40046207 0 returned -16 binder_alloc: 7586: binder_alloc_buf, no vma audit: type=1400 audit(1518379633.349:44): avc: denied { prog_run } for pid=7599 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=bpf permissive=1 binder: 7586:7615 transaction failed 29189/-3, size 0-0 line 2957 binder: undelivered TRANSACTION_ERROR: 29189 binder: release 7586:7587 transaction 12 out, still active dccp_xmit_packet: Payload too large (65423) for featneg. binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 12, target dead dccp_close: ABORT with 65423 bytes unread xt_CT: No such helper "snmp_trap" xt_CT: No such helper "snmp_trap" IPv4: Oversized IP packet from 127.0.0.1 IPv4: Oversized IP packet from 127.0.0.1 audit: type=1400 audit(1518379633.864:45): avc: denied { attach_queue } for pid=7741 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=tun_socket permissive=1 binder: 7797:7809 ioctl 800455d1 20822000 returned -22 binder: 7797:7809 ioctl 800455d1 20822000 returned -22 audit: type=1400 audit(1518379634.180:46): avc: denied { map } for pid=7840 comm="syz-executor7" path="/dev/usbmon0" dev="devtmpfs" ino=9132 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:usbmon_device_t:s0 tclass=chr_file permissive=1 sctp: [Deprecated]: syz-executor2 (pid 7846) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead audit: type=1400 audit(1518379634.231:47): avc: denied { setfcap } for pid=7847 comm="syz-executor5" capability=31 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 sctp: [Deprecated]: syz-executor2 (pid 7860) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead netlink: 28 bytes leftover after parsing attributes in process `syz-executor3'. audit: type=1400 audit(1518379634.313:48): avc: denied { validate_trans } for pid=7866 comm="syz-executor4" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:security_t:s0 tclass=security permissive=1 netlink: 28 bytes leftover after parsing attributes in process `syz-executor3'. x_tables: ip_tables: icmp match: only valid for protocol 1 x_tables: ip_tables: icmp match: only valid for protocol 1 device eql entered promiscuous mode audit: type=1400 audit(1518379634.483:49): avc: denied { map } for pid=7902 comm="syz-executor1" path="/selinux/policy" dev="selinuxfs" ino=20 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:security_t:s0 tclass=file permissive=1 sock: process `syz-executor2' is using obsolete setsockopt SO_BSDCOMPAT x_tables: ip6_tables: eui64 match: used from hooks INPUT/FORWARD/OUTPUT, but only valid from PREROUTING/INPUT/FORWARD x_tables: ip6_tables: eui64 match: used from hooks INPUT/FORWARD/OUTPUT, but only valid from PREROUTING/INPUT/FORWARD syz-executor5 uses obsolete (PF_INET,SOCK_PACKET) device eql entered promiscuous mode xt_cgroup: invalid path, errno=-2 xt_cgroup: invalid path, errno=-2 audit: type=1400 audit(1518379635.267:50): avc: denied { ioctl } for pid=8160 comm="syz-executor3" path="socket:[21215]" dev="sockfs" ino=21215 ioctlcmd=0x8903 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 netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. binder_alloc: 8469: binder_alloc_buf size -64 failed, no address space binder_alloc: allocated: 8 (num: 1 largest: 8), free: 8184 (num: 1 largest: 8184) binder: 8469:8473 transaction failed 29201/-28, size -67-0 line 2957 binder_alloc: binder_alloc_mmap_handler: 8469 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 8469:8473 ioctl 40046207 0 returned -16 binder_alloc: 8469: binder_alloc_buf, no vma binder: 8469:8485 transaction failed 29189/-3, size 0-0 line 2957 netlink: 3 bytes leftover after parsing attributes in process `syz-executor0'. binder_alloc: 8469: binder_alloc_buf, no vma binder: 8469:8473 transaction failed 29189/-3, size -67-0 line 2957 netlink: 3 bytes leftover after parsing attributes in process `syz-executor0'. binder: undelivered TRANSACTION_ERROR: 29189 binder: release 8469:8473 transaction 15 out, still active binder: send failed reply for transaction 15, target dead netlink: 8 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'. PPPIOCDETACH file->f_count=2 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1025 sclass=netlink_route_socket pig=8596 comm=syz-executor7 audit: type=1400 audit(1518379636.923:51): avc: denied { write } for pid=8643 comm="syz-executor5" name="net" dev="proc" ino=22806 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=dir permissive=1 xt_CT: No such helper "netbios-ns" netlink: 'syz-executor3': attribute type 4 has an invalid length. netlink: 28 bytes leftover after parsing attributes in process `syz-executor3'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=8814 comm=syz-executor3 binder: BINDER_SET_CONTEXT_MGR already set xt_HMARK: hash modulus can't be zero binder: 8806:8818 ioctl 40046207 0 returned -16 xt_HMARK: hash modulus can't be zero binder_alloc: 8806: binder_alloc_buf, no vma binder: 8806:8809 transaction failed 29189/-3, size 0-0 line 2957 binder: undelivered TRANSACTION_ERROR: 29189 binder: release 8806:8809 transaction 20 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 20, target dead QAT: Invalid ioctl QAT: Invalid ioctl binder: 8967:8972 got transaction with invalid offset (0, min 0 max 0) or object. binder: 8967:8972 transaction failed 29201/-22, size 0-8 line 3020 binder_alloc: binder_alloc_mmap_handler: 8967 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 8967:8972 ioctl 40046207 0 returned -16 binder_alloc: 8967: binder_alloc_buf, no vma binder: 8967:8989 transaction failed 29189/-3, size 0-0 line 2957 binder: undelivered TRANSACTION_ERROR: 29189 binder: release 8967:8972 transaction 23 out, still active binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29201 binder: send failed reply for transaction 23, target dead kauditd_printk_skb: 32 callbacks suppressed audit: type=1400 audit(1518379638.279:84): avc: denied { net_admin } for pid=4219 comm="syz-executor4" capability=12 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(1518379638.280:85): avc: denied { net_admin } for pid=4216 comm="syz-executor2" capability=12 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(1518379638.286:86): avc: denied { net_admin } for pid=4216 comm="syz-executor2" capability=12 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(1518379638.289:87): avc: denied { net_admin } for pid=4219 comm="syz-executor4" capability=12 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(1518379638.290:88): avc: denied { net_admin } for pid=4219 comm="syz-executor4" capability=12 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(1518379638.292:89): avc: denied { net_admin } for pid=4216 comm="syz-executor2" capability=12 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(1518379638.294:90): avc: denied { net_admin } for pid=4216 comm="syz-executor2" capability=12 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 Cannot find add_set index 0 as target audit: type=1400 audit(1518379638.296:91): avc: denied { net_admin } for pid=4219 comm="syz-executor4" capability=12 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(1518379638.299:92): avc: denied { net_admin } for pid=4216 comm="syz-executor2" capability=12 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(1518379638.300:93): avc: denied { net_admin } for pid=4219 comm="syz-executor4" capability=12 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-executor1': attribute type 4 has an invalid length. netlink: 17 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 'syz-executor1': attribute type 4 has an invalid length. ieee80211 phy2: Selected rate control algorithm 'minstrel_ht' hrtimer: interrupt took 11288 ns ieee80211 phy3: Selected rate control algorithm 'minstrel_ht'