audit: type=1400 audit(1540609746.234:518): avc: denied { create } for pid=21523 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_generic_socket permissive=0 ====================================================== [ INFO: possible circular locking dependency detected ] input: syz1 as /devices/virtual/input/input83 4.4.162+ #7 Not tainted ------------------------------------------------------- syz-executor2/21528 is trying to acquire lock: input: syz1 as /devices/virtual/input/input84 (_xmit_NETROM){+.-...}, at: [ 512.056907] audit: type=1400 audit(1540609746.274:519): avc: denied { create } for pid=21523 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_generic_socket permissive=0 [] spin_lock include/linux/spinlock.h:302 [inline] [] __netif_tx_lock include/linux/netdevice.h:3306 [inline] [] sch_direct_xmit+0x233/0x6c0 net/sched/sch_generic.c:163 but task is already holding lock: (&(&q->lock)->rlock){+.-...}, at: [] spin_lock include/linux/spinlock.h:302 [inline] (&(&q->lock)->rlock){+.-...}, at: [] ipv6_frag_rcv+0x5eb/0x4f80 net/ipv6/reassembly.c:560 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: [] lock_acquire+0x15e/0x450 kernel/locking/lockdep.c:3592 [] __raw_spin_lock_bh include/linux/spinlock_api_smp.h:137 [inline] [] _raw_spin_lock_bh+0x3a/0x50 kernel/locking/spinlock.c:175 [] spin_lock_bh include/linux/spinlock.h:307 [inline] [] icmp6_dst_alloc+0x39d/0x620 net/ipv6/route.c:1630 [] ndisc_send_skb+0x2b2/0x10e0 net/ipv6/ndisc.c:451 [] ndisc_send_ns+0x4fb/0x6f0 net/ipv6/ndisc.c:595 audit: type=1400 audit(1540609746.274:520): avc: denied { set_context_mgr } for pid=21537 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=binder permissive=0 binder: 21537:21538 ioctl 40046207 0 returned -13 binder: 21537:21538 transaction failed 29189/-22, size 24-8 line 3014 binder: 21537:21538 unknown command 0 binder: 21537:21538 ioctl c0306201 200003c0 returned -22 binder_alloc: binder_alloc_mmap_handler: 21537 20001000-20004000 already mapped failed -16 audit: type=1400 audit(1540609746.274:521): avc: denied { set_context_mgr } for pid=21537 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=binder permissive=0 binder: 21537:21538 ioctl 40046207 0 returned -13 binder: 21537:21539 transaction failed 29189/-22, size 24-8 line 3014 [] ndisc_solicit+0x2a0/0x420 net/ipv6/ndisc.c:686 [] neigh_probe+0xca/0x100 net/core/neighbour.c:871 [] neigh_timer_handler+0x26b/0xa50 net/core/neighbour.c:952 [] call_timer_fn+0x18c/0x870 kernel/time/timer.c:1185 [] __run_timers kernel/time/timer.c:1261 [inline] [] run_timer_softirq+0x605/0xbb0 kernel/time/timer.c:1444 [] __do_softirq+0x22c/0xa1a kernel/softirq.c:273 [] invoke_softirq kernel/softirq.c:350 [inline] [] irq_exit+0x10d/0x140 kernel/softirq.c:391 [] exiting_irq arch/x86/include/asm/apic.h:652 [inline] [] smp_apic_timer_interrupt+0x81/0xa0 arch/x86/kernel/apic/apic.c:926 [] apic_timer_interrupt+0x9d/0xb0 arch/x86/entry/entry_64.S:741 [] ___might_sleep+0x1ff/0x260 kernel/sched/core.c:7956 [] __might_sleep+0x90/0x1a0 kernel/sched/core.c:7948 [] __might_fault+0xaf/0x1d0 mm/memory.c:3858 [] copy_from_user arch/x86/include/asm/uaccess.h:729 [inline] [] input_event_from_user+0x135/0x290 drivers/input/input-compat.c:23 [] evdev_write+0x20f/0x3b0 drivers/input/evdev.c:553 [] __vfs_write+0x11c/0x3e0 fs/read_write.c:489 [] vfs_write+0x17e/0x4e0 fs/read_write.c:538 [] SYSC_write fs/read_write.c:585 [inline] [] SyS_write+0xd9/0x1c0 fs/read_write.c:577 [] do_syscall_32_irqs_on arch/x86/entry/common.c:396 [inline] [] do_fast_syscall_32+0x31e/0xa80 arch/x86/entry/common.c:463 [] sysenter_flags_fixed+0xd/0x1a [] check_prev_add kernel/locking/lockdep.c:1853 [inline] [] check_prevs_add kernel/locking/lockdep.c:1958 [inline] [] validate_chain kernel/locking/lockdep.c:2144 [inline] [] __lock_acquire+0x3e6c/0x5f10 kernel/locking/lockdep.c:3213 [] lock_acquire+0x15e/0x450 kernel/locking/lockdep.c:3592 [] __raw_spin_lock include/linux/spinlock_api_smp.h:144 [inline] [] _raw_spin_lock+0x36/0x50 kernel/locking/spinlock.c:151 [] spin_lock include/linux/spinlock.h:302 [inline] [] __netif_tx_lock include/linux/netdevice.h:3306 [inline] [] sch_direct_xmit+0x233/0x6c0 net/sched/sch_generic.c:163 [] __dev_xmit_skb net/core/dev.c:2979 [inline] [] __dev_queue_xmit+0xf95/0x1c30 net/core/dev.c:3197 [] dev_queue_xmit+0x17/0x20 net/core/dev.c:3263 [] neigh_resolve_output+0x600/0x780 net/core/neighbour.c:1329 [] dst_neigh_output include/net/dst.h:461 [inline] [] ip6_finish_output2+0xb94/0x1ca0 net/ipv6/ip6_output.c:113 [] ip6_finish_output+0x2ee/0x750 net/ipv6/ip6_output.c:131 [] NF_HOOK_COND include/linux/netfilter.h:240 [inline] [] ip6_output+0x1af/0x520 net/ipv6/ip6_output.c:145 [] dst_output include/net/dst.h:498 [inline] [] NF_HOOK_THRESH include/linux/netfilter.h:226 [inline] [] NF_HOOK include/linux/netfilter.h:249 [inline] [] ndisc_send_skb+0x972/0x10e0 net/ipv6/ndisc.c:471 [] ndisc_send_ns+0x4fb/0x6f0 net/ipv6/ndisc.c:595 [] ndisc_solicit+0x2a0/0x420 net/ipv6/ndisc.c:686 [] neigh_probe+0xca/0x100 net/core/neighbour.c:871 [] __neigh_event_send+0x2a0/0xc30 net/core/neighbour.c:1027 [] neigh_event_send include/net/neighbour.h:431 [inline] [] neigh_resolve_output+0x629/0x780 net/core/neighbour.c:1313 [] dst_neigh_output include/net/dst.h:461 [inline] [] ip6_finish_output2+0xb94/0x1ca0 net/ipv6/ip6_output.c:113 [] ip6_finish_output+0x2ee/0x750 net/ipv6/ip6_output.c:131 [] NF_HOOK_COND include/linux/netfilter.h:240 [inline] [] ip6_output+0x1af/0x520 net/ipv6/ip6_output.c:145 [] dst_output include/net/dst.h:498 [inline] [] ip6_local_out+0x9b/0x180 net/ipv6/output_core.c:169 [] ip6_send_skb+0xa1/0x340 net/ipv6/ip6_output.c:1725 [] ip6_push_pending_frames+0xb3/0xe0 net/ipv6/ip6_output.c:1745 [] icmpv6_push_pending_frames+0x335/0x530 net/ipv6/icmp.c:276 [] icmp6_send+0x15f3/0x1b70 net/ipv6/icmp.c:537 [] icmpv6_param_prob+0x29/0x40 net/ipv6/icmp.c:551 [] ip6_frag_queue net/ipv6/reassembly.c:228 [inline] [] ipv6_frag_rcv+0x3ba5/0x4f80 net/ipv6/reassembly.c:562 [] ip6_input_finish+0x57d/0x1510 net/ipv6/ip6_input.c:248 [] NF_HOOK_THRESH include/linux/netfilter.h:226 [inline] [] NF_HOOK include/linux/netfilter.h:249 [inline] [] ip6_input+0xf6/0x200 net/ipv6/ip6_input.c:280 [] dst_input include/net/dst.h:504 [inline] [] ip6_rcv_finish+0x14e/0x670 net/ipv6/ip6_input.c:62 [] NF_HOOK_THRESH include/linux/netfilter.h:226 [inline] [] ipv6_defrag+0x33b/0x5c0 net/ipv6/netfilter/nf_defrag_ipv6_hooks.c:78 [] nf_iterate+0x182/0x210 net/netfilter/core.c:274 [] nf_hook_slow+0x1b6/0x340 net/netfilter/core.c:306 [] nf_hook_thresh include/linux/netfilter.h:187 [inline] [] NF_HOOK_THRESH include/linux/netfilter.h:224 [inline] [] NF_HOOK include/linux/netfilter.h:249 [inline] [] ipv6_rcv+0x1455/0x1d10 net/ipv6/ip6_input.c:186 [] __netif_receive_skb_core+0x12c8/0x2820 net/core/dev.c:4041 [] __netif_receive_skb+0x5b/0x1c0 net/core/dev.c:4076 [] process_backlog+0x20a/0x670 net/core/dev.c:4669 [] napi_poll net/core/dev.c:4907 [inline] [] net_rx_action+0x367/0xd50 net/core/dev.c:4972 [] __do_softirq+0x22c/0xa1a kernel/softirq.c:273 [] do_softirq_own_stack+0x1c/0x30 arch/x86/entry/entry_64.S:929 [] do_softirq.part.2+0x54/0x60 kernel/softirq.c:317 [] do_softirq+0x19/0x20 kernel/softirq.c:320 [] netif_rx_ni+0xec/0x3a0 net/core/dev.c:3675 [] tun_get_user+0xf3a/0x2690 drivers/net/tun.c:1264 [] tun_chr_write_iter+0xd5/0x190 drivers/net/tun.c:1283 [] do_iter_readv_writev+0x133/0x1d0 fs/read_write.c:664 [] compat_do_readv_writev+0x337/0x6f0 fs/read_write.c:982 [] compat_writev+0xe1/0x150 fs/read_write.c:1090 [] C_SYSC_writev fs/read_write.c:1110 [inline] [] compat_SyS_writev+0xd8/0x1c0 fs/read_write.c:1099 [] do_syscall_32_irqs_on arch/x86/entry/common.c:396 [inline] [] do_fast_syscall_32+0x31e/0xa80 arch/x86/entry/common.c:463 [] sysenter_flags_fixed+0xd/0x1a other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&(&q->lock)->rlock); lock(_xmit_NETROM); lock(&(&q->lock)->rlock); lock(_xmit_NETROM); *** DEADLOCK *** 10 locks held by syz-executor2/21528: #0: (rcu_read_lock){......}, at: [] __skb_unlink include/linux/skbuff.h:1643 [inline] #0: (rcu_read_lock){......}, at: [] __skb_dequeue include/linux/skbuff.h:1659 [inline] #0: (rcu_read_lock){......}, at: [] process_backlog+0x1a6/0x670 net/core/dev.c:4666 #1: (rcu_read_lock){......}, at: [] nf_hook_slow+0x0/0x340 net/netfilter/core.c:267 #2: (rcu_read_lock){......}, at: [] ip6_input_finish+0x0/0x1510 include/linux/skbuff.h:2037 #3: (&(&q->lock)->rlock){+.-...}, at: [] spin_lock include/linux/spinlock.h:302 [inline] #3: (&(&q->lock)->rlock){+.-...}, at: [] ipv6_frag_rcv+0x5eb/0x4f80 net/ipv6/reassembly.c:560 #4: (slock-AF_INET6){+.-...}, at: [] spin_trylock include/linux/spinlock.h:312 [inline] #4: (slock-AF_INET6){+.-...}, at: [] icmpv6_xmit_lock net/ipv6/icmp.c:120 [inline] #4: (slock-AF_INET6){+.-...}, at: [] icmp6_send+0x7db/0x1b70 net/ipv6/icmp.c:485 #5: (rcu_read_lock){......}, at: [] icmp6_send+0xf62/0x1b70 net/ipv6/icmp.c:517 #6: (rcu_read_lock_bh){......}, at: [] ip6_finish_output2+0x1f9/0x1ca0 net/ipv6/ip6_output.c:71 #7: (rcu_read_lock){......}, at: [] ip6_nd_hdr net/ipv6/ndisc.c:427 [inline] #7: (rcu_read_lock){......}, at: [] ndisc_send_skb+0x74d/0x10e0 net/ipv6/ndisc.c:465 #8: (rcu_read_lock_bh){......}, at: [] ip6_finish_output2+0x1f9/0x1ca0 net/ipv6/ip6_output.c:71 #9: (rcu_read_lock_bh){......}, at: [] __dev_queue_xmit+0x1d7/0x1c30 net/core/dev.c:3161 stack backtrace: CPU: 0 PID: 21528 Comm: syz-executor2 Not tainted 4.4.162+ #7 0000000000000000 40b5003a3b1deb90 ffff8801db606138 ffffffff81a994bd ffffffff83acd330 ffffffff83adb8b0 ffffffff83acd330 ffff8801c20c2120 ffff8801c20c17c0 ffff8801db606180 ffffffff813a834a 0000000000000004 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x124 lib/dump_stack.c:51 [] print_circular_bug.cold.34+0x2f7/0x432 kernel/locking/lockdep.c:1226 [] check_prev_add kernel/locking/lockdep.c:1853 [inline] [] check_prevs_add kernel/locking/lockdep.c:1958 [inline] [] validate_chain kernel/locking/lockdep.c:2144 [inline] [] __lock_acquire+0x3e6c/0x5f10 kernel/locking/lockdep.c:3213 [] lock_acquire+0x15e/0x450 kernel/locking/lockdep.c:3592 [] __raw_spin_lock include/linux/spinlock_api_smp.h:144 [inline] [] _raw_spin_lock+0x36/0x50 kernel/locking/spinlock.c:151 [] spin_lock include/linux/spinlock.h:302 [inline] [] __netif_tx_lock include/linux/netdevice.h:3306 [inline] [] sch_direct_xmit+0x233/0x6c0 net/sched/sch_generic.c:163 [] __dev_xmit_skb net/core/dev.c:2979 [inline] [] __dev_queue_xmit+0xf95/0x1c30 net/core/dev.c:3197 [] dev_queue_xmit+0x17/0x20 net/core/dev.c:3263 [] neigh_resolve_output+0x600/0x780 net/core/neighbour.c:1329 [] dst_neigh_output include/net/dst.h:461 [inline] [] ip6_finish_output2+0xb94/0x1ca0 net/ipv6/ip6_output.c:113 [] ip6_finish_output+0x2ee/0x750 net/ipv6/ip6_output.c:131 [] NF_HOOK_COND include/linux/netfilter.h:240 [inline] [] ip6_output+0x1af/0x520 net/ipv6/ip6_output.c:145 [] dst_output include/net/dst.h:498 [inline] [] NF_HOOK_THRESH include/linux/netfilter.h:226 [inline] [] NF_HOOK include/linux/netfilter.h:249 [inline] [] ndisc_send_skb+0x972/0x10e0 net/ipv6/ndisc.c:471 [] ndisc_send_ns+0x4fb/0x6f0 net/ipv6/ndisc.c:595 [] ndisc_solicit+0x2a0/0x420 net/ipv6/ndisc.c:686 [] neigh_probe+0xca/0x100 net/core/neighbour.c:871 [] __neigh_event_send+0x2a0/0xc30 net/core/neighbour.c:1027 [] neigh_event_send include/net/neighbour.h:431 [inline] [] neigh_resolve_output+0x629/0x780 net/core/neighbour.c:1313 [] dst_neigh_output include/net/dst.h:461 [inline] [] ip6_finish_output2+0xb94/0x1ca0 net/ipv6/ip6_output.c:113 [] ip6_finish_output+0x2ee/0x750 net/ipv6/ip6_output.c:131 [] NF_HOOK_COND include/linux/netfilter.h:240 [inline] [] ip6_output+0x1af/0x520 net/ipv6/ip6_output.c:145 [] dst_output include/net/dst.h:498 [inline] [] ip6_local_out+0x9b/0x180 net/ipv6/output_core.c:169 [] ip6_send_skb+0xa1/0x340 net/ipv6/ip6_output.c:1725 [] ip6_push_pending_frames+0xb3/0xe0 net/ipv6/ip6_output.c:1745 [] icmpv6_push_pending_frames+0x335/0x530 net/ipv6/icmp.c:276 [] icmp6_send+0x15f3/0x1b70 net/ipv6/icmp.c:537 binder: 21564:21565 transaction failed 29189/-22, size 24-8 line 3014 binder: 21564:21566 transaction failed 29189/-22, size 24-8 line 3014 [] icmpv6_param_prob+0x29/0x40 net/ipv6/icmp.c:551 [] ip6_frag_queue net/ipv6/reassembly.c:228 [inline] [] ipv6_frag_rcv+0x3ba5/0x4f80 net/ipv6/reassembly.c:562 [] ip6_input_finish+0x57d/0x1510 net/ipv6/ip6_input.c:248 [] NF_HOOK_THRESH include/linux/netfilter.h:226 [inline] [] NF_HOOK include/linux/netfilter.h:249 [inline] [] ip6_input+0xf6/0x200 net/ipv6/ip6_input.c:280 [] dst_input include/net/dst.h:504 [inline] [] ip6_rcv_finish+0x14e/0x670 net/ipv6/ip6_input.c:62 [] NF_HOOK_THRESH include/linux/netfilter.h:226 [inline] [] ipv6_defrag+0x33b/0x5c0 net/ipv6/netfilter/nf_defrag_ipv6_hooks.c:78 [] nf_iterate+0x182/0x210 net/netfilter/core.c:274 [] nf_hook_slow+0x1b6/0x340 net/netfilter/core.c:306 [] nf_hook_thresh include/linux/netfilter.h:187 [inline] [] NF_HOOK_THRESH include/linux/netfilter.h:224 [inline] [] NF_HOOK include/linux/netfilter.h:249 [inline] [] ipv6_rcv+0x1455/0x1d10 net/ipv6/ip6_input.c:186 [] __netif_receive_skb_core+0x12c8/0x2820 net/core/dev.c:4041 [] __netif_receive_skb+0x5b/0x1c0 net/core/dev.c:4076 [] process_backlog+0x20a/0x670 net/core/dev.c:4669 [] napi_poll net/core/dev.c:4907 [inline] [] net_rx_action+0x367/0xd50 net/core/dev.c:4972 [] __do_softirq+0x22c/0xa1a kernel/softirq.c:273 [] do_softirq_own_stack+0x1c/0x30 arch/x86/entry/entry_64.S:929 [] do_softirq.part.2+0x54/0x60 kernel/softirq.c:317 [] do_softirq+0x19/0x20 kernel/softirq.c:320 [] netif_rx_ni+0xec/0x3a0 net/core/dev.c:3675 [] tun_get_user+0xf3a/0x2690 drivers/net/tun.c:1264 [] tun_chr_write_iter+0xd5/0x190 drivers/net/tun.c:1283 [] do_iter_readv_writev+0x133/0x1d0 fs/read_write.c:664 [] compat_do_readv_writev+0x337/0x6f0 fs/read_write.c:982 [] compat_writev+0xe1/0x150 fs/read_write.c:1090 [] C_SYSC_writev fs/read_write.c:1110 [inline] [] compat_SyS_writev+0xd8/0x1c0 fs/read_write.c:1099 [] do_syscall_32_irqs_on arch/x86/entry/common.c:396 [inline] [] do_fast_syscall_32+0x31e/0xa80 arch/x86/entry/common.c:463 [] sysenter_flags_fixed+0xd/0x1a ip6_tunnel: ip6tnl1 xmit: Local address not yet configured! input: syz1 as /devices/virtual/input/input85 audit: type=1400 audit(1540609750.074:522): avc: denied { create } for pid=21640 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=netlink_generic_socket permissive=0 input: syz1 as /devices/virtual/input/input86 audit: type=1400 audit(1540609750.264:523): avc: denied { create } for pid=21640 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=netlink_generic_socket permissive=0 audit: type=1400 audit(1540609750.764:524): avc: denied { create } for pid=21664 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=netlink_generic_socket permissive=0 audit: type=1400 audit(1540609750.824:525): avc: denied { create } for pid=21664 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=netlink_generic_socket permissive=0 netlink: 188 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 188 bytes leftover after parsing attributes in process `syz-executor4'. audit: type=1400 audit(1540609752.894:526): avc: denied { create } for pid=21762 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_fib_lookup_socket permissive=0 audit: type=1400 audit(1540609753.064:527): avc: denied { create } for pid=21762 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_fib_lookup_socket permissive=0 audit: type=1400 audit(1540609753.454:528): avc: denied { create } for pid=21790 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=netlink_generic_socket permissive=0 audit: type=1400 audit(1540609753.514:529): avc: denied { create } for pid=21790 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=netlink_generic_socket permissive=0 audit: type=1400 audit(1540609753.594:530): avc: denied { create } for pid=21790 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=netlink_generic_socket permissive=0 audit: type=1400 audit(1540609753.624:531): avc: denied { create } for pid=21790 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=netlink_generic_socket permissive=0 audit: type=1400 audit(1540609754.284:532): avc: denied { create } for pid=21832 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=0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=65535 sclass=netlink_route_socket audit: type=1400 audit(1540609754.414:533): avc: denied { create } for pid=21832 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=0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=65535 sclass=netlink_route_socket audit: type=1400 audit(1540609755.004:534): avc: denied { set_context_mgr } for pid=21872 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=binder permissive=0 binder: 21872:21874 ioctl 40046207 0 returned -13 binder: 21872:21877 transaction failed 29189/-22, size 4608-8 line 3014 binder_alloc: binder_alloc_mmap_handler: 21872 20000000-20002000 already mapped failed -16 binder: 21872:21877 transaction failed 29189/-22, size 4608-8 line 3014 audit: type=1400 audit(1540609755.104:535): avc: denied { set_context_mgr } for pid=21872 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=binder permissive=0 binder: 21872:21874 ioctl 40046207 0 returned -13 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29189 ip6_tunnel: ip6tnl1 xmit: Local address not yet configured!