audit: type=1326 audit(1517132112.994:465): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=10618 comm="syz-executor2" exe="/root/syz-executor2" sig=0 arch=c000003e syscall=216 compat=0 ip=0x453299 code=0x7ffc0000 ================================ WARNING: inconsistent lock state 4.15.0-rc9+ #283 Not tainted -------------------------------- inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. kauditd/26 [HC0[0]:SC1[1]:HE1:SE0] takes: (&(&est->lock)->rlock){+.?.}, at: [<00000000c609204f>] spin_lock include/linux/spinlock.h:310 [inline] (&(&est->lock)->rlock){+.?.}, at: [<00000000c609204f>] est_fetch_counters+0x4f/0x150 net/core/gen_estimator.c:70 {SOFTIRQ-ON-W} state was registered at: lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:3914 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:310 [inline] est_fetch_counters+0x4f/0x150 net/core/gen_estimator.c:70 gen_new_estimator+0x317/0x770 net/core/gen_estimator.c:162 xt_rateest_tg_checkentry+0x487/0xaa0 net/netfilter/xt_RATEEST.c:135 xt_check_target+0x22c/0x7d0 net/netfilter/x_tables.c:845 check_target net/ipv6/netfilter/ip6_tables.c:538 [inline] find_check_entry.isra.7+0x935/0xcf0 net/ipv6/netfilter/ip6_tables.c:580 translate_table+0xf52/0x1690 net/ipv6/netfilter/ip6_tables.c:749 do_replace net/ipv6/netfilter/ip6_tables.c:1167 [inline] do_ip6t_set_ctl+0x370/0x5f0 net/ipv6/netfilter/ip6_tables.c:1693 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 udpv6_setsockopt+0x45/0x80 net/ipv6/udp.c:1452 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2968 SYSC_setsockopt net/socket.c:1831 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1810 entry_SYSCALL_64_fastpath+0x29/0xa0 irq event stamp: 12930 hardirqs last enabled at (12930): [<00000000dcd91af3>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (12930): [<00000000dcd91af3>] _raw_spin_unlock_irq+0x27/0x70 kernel/locking/spinlock.c:192 hardirqs last disabled at (12929): [<000000009582fc5a>] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:126 [inline] hardirqs last disabled at (12929): [<000000009582fc5a>] _raw_spin_lock_irq+0x3c/0x80 kernel/locking/spinlock.c:160 softirqs last enabled at (12902): [<00000000772f2178>] __do_softirq+0x7a0/0xb85 kernel/softirq.c:311 softirqs last disabled at (12923): [<00000000d5db6405>] invoke_softirq kernel/softirq.c:365 [inline] softirqs last disabled at (12923): [<00000000d5db6405>] irq_exit+0x1cc/0x200 kernel/softirq.c:405 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&(&est->lock)->rlock); lock(&(&est->lock)->rlock); *** DEADLOCK *** 2 locks held by kauditd/26: #0: (console_lock){+.+.}, at: [<00000000cdae6df6>] vprintk_emit+0x49b/0x590 kernel/printk/printk.c:1756 #1: ((&est->timer)){+.-.}, at: [<000000000cef60c5>] lockdep_copy_map include/linux/lockdep.h:178 [inline] #1: ((&est->timer)){+.-.}, at: [<000000000cef60c5>] call_timer_fn+0x1c6/0x820 kernel/time/timer.c:1308 stack backtrace: CPU: 1 PID: 26 Comm: kauditd Not tainted 4.15.0-rc9+ #283 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_usage_bug+0x377/0x38c kernel/locking/lockdep.c:2537 valid_state kernel/locking/lockdep.c:2550 [inline] mark_lock_irq kernel/locking/lockdep.c:2744 [inline] mark_lock+0xf61/0x1430 kernel/locking/lockdep.c:3142 mark_irqflags kernel/locking/lockdep.c:3020 [inline] __lock_acquire+0x173a/0x3e00 kernel/locking/lockdep.c:3383 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:3914 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:310 [inline] est_fetch_counters+0x4f/0x150 net/core/gen_estimator.c:70 est_timer+0x97/0x7c0 net/core/gen_estimator.c:85 call_timer_fn+0x228/0x820 kernel/time/timer.c:1318 expire_timers kernel/time/timer.c:1355 [inline] __run_timers+0x7ee/0xb70 kernel/time/timer.c:1658 run_timer_softirq+0x4c/0x70 kernel/time/timer.c:1684 __do_softirq+0x2d7/0xb85 kernel/softirq.c:285 invoke_softirq kernel/softirq.c:365 [inline] irq_exit+0x1cc/0x200 kernel/softirq.c:405 exiting_irq arch/x86/include/asm/apic.h:541 [inline] smp_apic_timer_interrupt+0x16b/0x700 arch/x86/kernel/apic/apic.c:1052 apic_timer_interrupt+0xa9/0xb0 arch/x86/entry/entry_64.S:937 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:777 [inline] RIP: 0010:console_unlock+0x966/0xd80 kernel/printk/printk.c:2235 RSP: 0018:ffff8801d9937a98 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff11 RAX: ffff8801d992c6c0 RBX: 0000000000000000 RCX: ffffffff8159aebd RDX: 0000000000000000 RSI: 1ffff1003b3259eb RDI: 0000000000000293 RBP: ffff8801d9937b80 R08: 1ffff1003b326f21 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: ffffffff83b071a0 R15: dffffc0000000000 vprintk_emit+0x4ad/0x590 kernel/printk/printk.c:1757 vprintk_default+0x28/0x30 kernel/printk/printk.c:1796 vprintk_func+0x57/0xc0 kernel/printk/printk_safe.c:379 printk+0xaa/0xca kernel/printk/printk.c:1829 kauditd_printk_skb kernel/audit.c:506 [inline] kauditd_hold_skb+0x163/0x180 kernel/audit.c:539 kauditd_send_queue+0xfa/0x140 kernel/audit.c:702 kauditd_thread+0x739/0x970 kernel/audit.c:828 kthread+0x33c/0x400 kernel/kthread.c:238 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:541 netlink: 12 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 'syz-executor6': attribute type 10 has an invalid length. netlink: 12 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 'syz-executor6': attribute type 10 has an invalid length. netlink: 12 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor7'. syz-executor5 uses obsolete (PF_INET,SOCK_PACKET) netlink: 12 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor7'. audit: type=1326 audit(1517132112.994:466): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=10618 comm="syz-executor2" exe="/root/syz-executor2" sig=0 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x7ffc0000 audit: type=1326 audit(1517132112.994:467): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=10618 comm="syz-executor2" exe="/root/syz-executor2" sig=0 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x7ffc0000 audit: type=1326 audit(1517132112.995:468): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=10618 comm="syz-executor2" exe="/root/syz-executor2" sig=0 arch=c000003e syscall=9 compat=0 ip=0x453299 code=0x7ffc0000 IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready QAT: Invalid ioctl IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready QAT: Invalid ioctl FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 11098 Comm: syz-executor1 Not tainted 4.15.0-rc9+ #283 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 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3368 [inline] kmem_cache_alloc_trace+0x4b/0x750 mm/slab.c:3608 kmalloc include/linux/slab.h:499 [inline] kzalloc include/linux/slab.h:688 [inline] tcp_sendmsg_fastopen net/ipv4/tcp.c:1152 [inline] tcp_sendmsg_locked+0x247d/0x3b60 net/ipv4/tcp.c:1214 tcp_sendmsg+0x2f/0x50 net/ipv4/tcp.c:1461 inet_sendmsg+0x11f/0x5e0 net/ipv4/af_inet.c:763 sock_sendmsg_nosec net/socket.c:638 [inline] sock_sendmsg+0xca/0x110 net/socket.c:648 SYSC_sendto+0x361/0x5c0 net/socket.c:1729 SyS_sendto+0x40/0x50 net/socket.c:1697 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007fb4e1fd0c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fb4e1fd0aa0 RCX: 0000000000453299 RDX: 0000000000000000 RSI: 0000000020e77fff RDI: 0000000000000014 RBP: 00007fb4e1fd0a90 R08: 00000000208d4fe4 R09: 000000000000001c R10: 0000000020000008 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007fb4e1fd0bc8 R14: 00000000004b8096 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 11119 Comm: syz-executor1 Not tainted 4.15.0-rc9+ #283 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 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3368 [inline] kmem_cache_alloc+0x47/0x760 mm/slab.c:3542 inet_bind_bucket_create+0x7a/0x350 net/ipv4/inet_hashtables.c:69 __inet_hash_connect+0x670/0xed0 net/ipv4/inet_hashtables.c:608 inet6_hash_connect+0x62/0xc0 net/ipv6/inet6_hashtables.c:266 tcp_v6_connect+0x13ca/0x22e0 net/ipv6/tcp_ipv6.c:285 __inet_stream_connect+0x2d4/0xf00 net/ipv4/af_inet.c:619 tcp_sendmsg_fastopen net/ipv4/tcp.c:1169 [inline] tcp_sendmsg_locked+0x280e/0x3b60 net/ipv4/tcp.c:1214 tcp_sendmsg+0x2f/0x50 net/ipv4/tcp.c:1461 inet_sendmsg+0x11f/0x5e0 net/ipv4/af_inet.c:763 sock_sendmsg_nosec net/socket.c:638 [inline] sock_sendmsg+0xca/0x110 net/socket.c:648 SYSC_sendto+0x361/0x5c0 net/socket.c:1729 SyS_sendto+0x40/0x50 net/socket.c:1697 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007fb4e1fd0c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fb4e1fd0aa0 RCX: 0000000000453299 RDX: 0000000000000000 RSI: 0000000020e77fff RDI: 0000000000000014 RBP: 00007fb4e1fd0a90 R08: 00000000208d4fe4 R09: 000000000000001c R10: 0000000020000008 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007fb4e1fd0bc8 R14: 00000000004b8096 R15: 0000000000000000 encrypted_key: insufficient parameters specified encrypted_key: insufficient parameters specified FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 11327 Comm: syz-executor7 Not tainted 4.15.0-rc9+ #283 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 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc_node mm/slab.c:3289 [inline] kmem_cache_alloc_node+0x56/0x760 mm/slab.c:3632 __alloc_skb+0xf1/0x780 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:983 [inline] netlink_alloc_large_skb net/netlink/af_netlink.c:1147 [inline] netlink_sendmsg+0xa86/0xe60 net/netlink/af_netlink.c:1839 sock_sendmsg_nosec net/socket.c:638 [inline] sock_sendmsg+0xca/0x110 net/socket.c:648 ___sys_sendmsg+0x767/0x8b0 net/socket.c:2028 __sys_sendmsg+0xe5/0x210 net/socket.c:2062 SYSC_sendmsg net/socket.c:2073 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2069 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007f7f93e9ec58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f7f93e9eaa0 RCX: 0000000000453299 RDX: 0000000000000000 RSI: 0000000020e51fc8 RDI: 0000000000000013 RBP: 00007f7f93e9ea90 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007f7f93e9ebc8 R14: 00000000004b8096 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 11353 Comm: syz-executor7 Not tainted 4.15.0-rc9+ #283 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 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc_node mm/slab.c:3289 [inline] kmem_cache_alloc_node_trace+0x5a/0x750 mm/slab.c:3651 __do_kmalloc_node mm/slab.c:3671 [inline] __kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3686 __kmalloc_reserve.isra.39+0x41/0xd0 net/core/skbuff.c:137 __alloc_skb+0x13b/0x780 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:983 [inline] netlink_alloc_large_skb net/netlink/af_netlink.c:1147 [inline] netlink_sendmsg+0xa86/0xe60 net/netlink/af_netlink.c:1839 sock_sendmsg_nosec net/socket.c:638 [inline] sock_sendmsg+0xca/0x110 net/socket.c:648 ___sys_sendmsg+0x767/0x8b0 net/socket.c:2028 __sys_sendmsg+0xe5/0x210 net/socket.c:2062 SYSC_sendmsg net/socket.c:2073 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2069 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007f7f93e9ec58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f7f93e9eaa0 RCX: 0000000000453299 RDX: 0000000000000000 RSI: 0000000020e51fc8 RDI: 0000000000000013 RBP: 00007f7f93e9ea90 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007f7f93e9ebc8 R14: 00000000004b8096 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 11370 Comm: syz-executor7 Not tainted 4.15.0-rc9+ #283 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 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc_node mm/slab.c:3289 [inline] kmem_cache_alloc_node+0x56/0x760 mm/slab.c:3632 __alloc_skb+0xf1/0x780 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:983 [inline] nlmsg_new include/net/netlink.h:511 [inline] netlink_ack+0x283/0xa10 net/netlink/af_netlink.c:2343 netlink_rcv_skb+0x2b4/0x380 net/netlink/af_netlink.c:2415 nfnetlink_rcv+0x200/0x1920 net/netfilter/nfnetlink.c:515 netlink_unicast_kernel net/netlink/af_netlink.c:1275 [inline] netlink_unicast+0x4ee/0x700 net/netlink/af_netlink.c:1301 netlink_sendmsg+0xa4a/0xe60 net/netlink/af_netlink.c:1864 sock_sendmsg_nosec net/socket.c:638 [inline] sock_sendmsg+0xca/0x110 net/socket.c:648 ___sys_sendmsg+0x767/0x8b0 net/socket.c:2028 __sys_sendmsg+0xe5/0x210 net/socket.c:2062 SYSC_sendmsg net/socket.c:2073 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2069 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007f7f93e9ec58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f7f93e9eaa0 RCX: 0000000000453299 RDX: 0000000000000000 RSI: 0000000020e51fc8 RDI: 0000000000000013 RBP: 00007f7f93e9ea90 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007f7f93e9ebc8 R14: 00000000004b8096 R15: 0000000000000000 mmap: syz-executor0 (11429): VmData 1748992 exceed data ulimit 2. Update limits or use boot option ignore_rlimit_data. kauditd_printk_skb: 54 callbacks suppressed audit: type=1400 audit(1517132118.620:523): avc: denied { getattr } for pid=11543 comm="syz-executor7" name="NETLINK" dev="sockfs" ino=25809 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(1517132118.937:524): avc: denied { read } for pid=11654 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 audit: type=1400 audit(1517132118.977:525): avc: denied { connect } for pid=11662 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_netfilter_socket permissive=1 QAT: Invalid ioctl QAT: Invalid ioctl FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 11922 Comm: syz-executor0 Not tainted 4.15.0-rc9+ #283 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 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc_node mm/slab.c:3289 [inline] kmem_cache_alloc_node+0x56/0x760 mm/slab.c:3632 __alloc_skb+0xf1/0x780 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:983 [inline] nlmsg_new include/net/netlink.h:511 [inline] rtmsg_ifinfo_build_skb+0x73/0x190 net/core/rtnetlink.c:3013 rtmsg_ifinfo_event.part.26+0x41/0xd0 net/core/rtnetlink.c:3049 rtmsg_ifinfo_event net/core/rtnetlink.c:3058 [inline] rtmsg_ifinfo+0x72/0x90 net/core/rtnetlink.c:3057 netdev_state_change+0x136/0x180 net/core/dev.c:1341 old_dev_ioctl.isra.1+0xb6e/0x1fa0 net/bridge/br_ioctl.c:298 br_dev_ioctl+0x44/0xc0 net/bridge/br_ioctl.c:392 dev_ifsioc+0x333/0x9b0 net/core/dev_ioctl.c:354 dev_ioctl+0xa73/0xfb0 net/core/dev_ioctl.c:589 sock_ioctl+0x1da/0x440 net/socket.c:1000 vfs_ioctl fs/ioctl.c:46 [inline] do_vfs_ioctl+0x1b1/0x1520 fs/ioctl.c:686 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007fbab04cdc58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fbab04cdaa0 RCX: 0000000000453299 RDX: 00000000204a9fd8 RSI: 00000000000089f0 RDI: 0000000000000014 RBP: 00007fbab04cda90 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007fbab04cdbc8 R14: 00000000004b8096 R15: 0000000000000000 audit: type=1400 audit(1517132120.421:526): avc: denied { accept } for pid=11972 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_netfilter_socket permissive=1 nla_parse: 4 callbacks suppressed netlink: 9292 bytes leftover after parsing attributes in process `syz-executor7'. audit: type=1400 audit(1517132120.920:527): avc: denied { getopt } for pid=12110 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_netfilter_socket permissive=1 audit: type=1400 audit(1517132121.211:528): avc: denied { setattr } for pid=12184 comm="syz-executor7" name="NETLINK" dev="sockfs" ino=27179 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