[....] Starting enhanced syslogd: rsyslogd[ 11.177240] audit: type=1400 audit(1514734066.072:5): avc: denied { syslog } for pid=3313 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 17.945866] audit: type=1400 audit(1514734072.841:6): avc: denied { map } for pid=3454 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.15.196' (ECDSA) to the list of known hosts. executing program [ 32.655546] audit: type=1400 audit(1514734087.551:7): avc: denied { map } for pid=3470 comm="syzkaller061892" path="/root/syzkaller061892640" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 32.660055] TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 32.660573] ================================================================== [ 32.660588] BUG: KASAN: slab-out-of-bounds in tcp_v6_syn_recv_sock+0x1612/0x23a0 [ 32.660592] Write of size 160 at addr ffff8801c01df460 by task syzkaller061892/3470 [ 32.660593] [ 32.660598] CPU: 1 PID: 3470 Comm: syzkaller061892 Not tainted 4.15.0-rc5+ #154 [ 32.660601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.660603] Call Trace: [ 32.660605] [ 32.660612] dump_stack+0x194/0x257 [ 32.660620] ? arch_local_irq_restore+0x53/0x53 [ 32.660628] ? show_regs_print_info+0x18/0x18 [ 32.660637] ? tcp_add_backlog+0x890/0x890 [ 32.660643] ? tcp_v6_syn_recv_sock+0x1612/0x23a0 [ 32.660651] print_address_description+0x73/0x250 [ 32.660657] ? tcp_v6_syn_recv_sock+0x1612/0x23a0 [ 32.660662] kasan_report+0x25b/0x340 [ 32.660671] check_memory_region+0x137/0x190 [ 32.660677] memcpy+0x37/0x50 [ 32.660683] tcp_v6_syn_recv_sock+0x1612/0x23a0 [ 32.660692] ? tcp_rcv_state_process+0x3d0f/0x4830 [ 32.660700] ? tcp_v6_conn_request+0x270/0x270 [ 32.660705] ? SYSC_sendto+0x361/0x5c0 [ 32.660709] ? SyS_sendto+0x40/0x50 [ 32.660721] ? xfrm_policy_lookup+0x70/0x70 [ 32.660734] ? find_held_lock+0x35/0x1d0 [ 32.660752] ? ip_route_output_key_hash+0x229/0x370 [ 32.660758] ? lock_downgrade+0x980/0x980 [ 32.660764] ? selinux_netlbl_inet_conn_request+0x81/0x3c0 [ 32.660771] ? lock_release+0xa40/0xa40 [ 32.660780] ? rcu_read_lock_sched_held+0x108/0x120 [ 32.660791] tcp_get_cookie_sock+0x102/0x540 [ 32.660799] ? cookie_ecn_ok+0x120/0x120 [ 32.660803] ? ip_route_output_key_hash+0x252/0x370 [ 32.660811] ? ip_route_output_key_hash_rcu+0x2c40/0x2c40 [ 32.660823] ? xfrm_lookup_route+0x4f/0x1a0 [ 32.660828] ? tcp_select_initial_window+0x30c/0x410 [ 32.660839] cookie_v4_check+0x1a87/0x2920 [ 32.660844] ? sk_filter_trim_cap+0x40a/0x9c0 [ 32.660859] ? cookie_v4_init_sequence+0xe0/0xe0 [ 32.660862] ? __lock_is_held+0xb6/0x140 [ 32.660878] ? sk_filter_trim_cap+0xe7/0x9c0 [ 32.660898] ? tcp_v4_reqsk_send_ack+0x3e0/0x3e0 [ 32.660907] tcp_v4_do_rcv+0x6e9/0x7d0 [ 32.660915] tcp_v4_rcv+0x275f/0x2eb0 [ 32.660922] ? __lock_acquire+0x3825/0x3e00 [ 32.660940] ? tcp_v4_early_demux+0xa40/0xa40 [ 32.660956] ip_local_deliver_finish+0x2f1/0xc50 [ 32.660965] ? ip_rcv_finish+0x1e30/0x1e30 [ 32.660974] ? nf_hook_slow+0xd3/0x1a0 [ 32.660985] ip_local_deliver+0x1ce/0x6e0 [ 32.660992] ? ip_call_ra_chain+0x6d0/0x6d0 [ 32.660995] ? mark_held_locks+0xaf/0x100 [ 32.661006] ? check_noncircular+0x20/0x20 [ 32.661015] ? ip_rcv_finish+0x1e30/0x1e30 [ 32.661019] ? __local_bh_enable_ip+0x121/0x230 [ 32.661026] ? ipt_do_table+0xd75/0x1330 [ 32.661034] ip_rcv_finish+0x959/0x1e30 [ 32.661045] ? inet_del_offload+0x40/0x40 [ 32.661057] ? ip_rcv+0xf22/0x1840 [ 32.661063] ? lock_downgrade+0x980/0x980 [ 32.661072] ? nf_nat_ipv4_in+0x1cd/0x270 [ 32.661075] ? iptable_nat_ipv4_fn+0x40/0x40 [ 32.661088] ? nf_hook_slow+0xd3/0x1a0 [ 32.661098] ip_rcv+0xc5a/0x1840 [ 32.661109] ? ip_local_deliver+0x6e0/0x6e0 [ 32.661117] ? mark_lock+0xb2c/0x1430 [ 32.661121] ? check_usage_backwards+0x410/0x410 [ 32.661135] ? inet_del_offload+0x40/0x40 [ 32.661143] ? ip_local_deliver+0x6e0/0x6e0 [ 32.661151] __netif_receive_skb_core+0x1a41/0x3460 [ 32.661165] ? nf_ingress+0x9f0/0x9f0 [ 32.661183] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 32.661186] ? rcu_read_lock_sched_held+0x108/0x120 [ 32.661192] ? update_cfs_rq_load_avg.part.69+0x23d/0x2d0 [ 32.661197] ? attach_entity_load_avg+0x7a0/0x7a0 [ 32.661204] ? __update_load_avg_se.isra.27+0x56a/0x7c0 [ 32.661208] ? __update_load_avg_se.isra.27+0x56a/0x7c0 [ 32.661222] ? __lock_acquire+0x664/0x3e00 [ 32.661232] ? fastpath_timer_check+0x7d5/0xa70 [ 32.661236] ? update_cfs_rq_load_avg.part.69+0x2d0/0x2d0 [ 32.661249] ? check_noncircular+0x20/0x20 [ 32.661254] ? check_noncircular+0x20/0x20 [ 32.661265] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 32.661272] ? find_held_lock+0x35/0x1d0 [ 32.661283] ? find_held_lock+0x35/0x1d0 [ 32.661294] ? lock_acquire+0x1d5/0x580 [ 32.661298] ? process_backlog+0x45f/0x740 [ 32.661301] ? lock_acquire+0x1d5/0x580 [ 32.661305] ? process_backlog+0x1ab/0x740 [ 32.661316] ? lock_release+0xa40/0xa40 [ 32.661331] __netif_receive_skb+0x2c/0x1b0 [ 32.661336] ? __netif_receive_skb+0x2c/0x1b0 [ 32.661343] process_backlog+0x203/0x740 [ 32.661347] ? mark_held_locks+0xaf/0x100 [ 32.661361] net_rx_action+0x792/0x1910 [ 32.661367] ? perf_event_task_tick+0x849/0xfb0 [ 32.661382] ? napi_complete_done+0x6c0/0x6c0 [ 32.661388] ? cpu_load_update_active+0x210/0x2a0 [ 32.661398] ? trace_hardirqs_off+0xd/0x10 [ 32.661404] ? _raw_spin_unlock_irqrestore+0xa6/0xba [ 32.661411] ? debug_object_activate+0x307/0x730 [ 32.661423] ? check_noncircular+0x20/0x20 [ 32.661432] ? timerqueue_add+0x1e9/0x280 [ 32.661443] ? enqueue_hrtimer+0x171/0x4a0 [ 32.661449] ? __remove_hrtimer+0x190/0x190 [ 32.661459] ? find_held_lock+0x35/0x1d0 [ 32.661475] ? clockevents_program_event+0x163/0x2e0 [ 32.661481] ? lock_downgrade+0x980/0x980 [ 32.661496] ? pvclock_read_flags+0x160/0x160 [ 32.661510] ? check_noncircular+0x20/0x20 [ 32.661516] ? print_irqtrace_events+0x270/0x270 [ 32.661524] ? ktime_get_resolution_ns+0x300/0x300 [ 32.661527] ? lock_downgrade+0x980/0x980 [ 32.661535] ? check_noncircular+0x20/0x20 [ 32.661541] ? do_timer+0x50/0x50 [ 32.661551] ? __lock_is_held+0xb6/0x140 [ 32.661568] __do_softirq+0x2d7/0xb85 [ 32.661572] ? task_prio+0x40/0x40 [ 32.661584] ? __irqentry_text_end+0x1f8d74/0x1f8d74 [ 32.661588] ? irq_exit+0xbb/0x200 [ 32.661592] ? smp_apic_timer_interrupt+0x16b/0x700 [ 32.661598] ? smp_call_function_single_interrupt+0x640/0x640 [ 32.661603] ? _raw_spin_lock+0x32/0x40 [ 32.661611] ? _raw_spin_unlock+0x22/0x30 [ 32.661616] ? handle_edge_irq+0x2b4/0x7c0 [ 32.661622] ? task_prio+0x40/0x40 [ 32.661636] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 32.661647] do_softirq_own_stack+0x2a/0x40 [ 32.661650] [ 32.661654] do_softirq.part.21+0x14d/0x190 [ 32.661659] ? ip_finish_output2+0x8e7/0x1500 [ 32.661664] __local_bh_enable_ip+0x1ee/0x230 [ 32.661671] ip_finish_output2+0x91a/0x1500 [ 32.661682] ? ip_copy_metadata+0xac0/0xac0 [ 32.661685] ? check_noncircular+0x20/0x20 [ 32.661691] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 32.661695] ? ipt_do_table+0xd0a/0x1330 [ 32.661699] ? trace_hardirqs_on+0xd/0x10 [ 32.661709] ? ipt_do_table+0xd75/0x1330 [ 32.661715] ? __local_bh_enable_ip+0x121/0x230 [ 32.661726] ? ipv4_mtu+0x34d/0x4c0 [ 32.661735] ? rt_cpu_seq_show+0x2c0/0x2c0 [ 32.661745] ? __lock_is_held+0xb6/0x140 [ 32.661761] ip_finish_output+0x864/0xd10 [ 32.661766] ? ip_finish_output+0x864/0xd10 [ 32.661773] ? ip_fragment.constprop.47+0x200/0x200 [ 32.661778] ? iptable_mangle_hook+0xa9/0x560 [ 32.661789] ? nf_hook_slow+0xd3/0x1a0 [ 32.661799] ip_output+0x1d2/0x860 [ 32.661805] ? ip_mc_output+0x1360/0x1360 [ 32.661819] ? ip_fragment.constprop.47+0x200/0x200 [ 32.661831] ip_local_out+0x95/0x160 [ 32.661840] ip_queue_xmit+0x8c6/0x18e0 [ 32.661845] ? tcp_rcv_state_process+0x3d0f/0x4830 [ 32.661860] ? ip_build_and_send_pkt+0xc30/0xc30 [ 32.661868] ? refcount_dec_if_one+0x20/0x20 [ 32.661877] ? __tcp_v4_send_check+0x1be/0x360 [ 32.661881] ? tcp_options_write+0x228/0x940 [ 32.661892] tcp_transmit_skb+0x1b1b/0x38c0 [ 32.661911] ? __tcp_select_window+0x900/0x900 [ 32.661916] ? kasan_kmalloc+0xad/0xe0 [ 32.661925] ? __kmalloc_node_track_caller+0x47/0x70 [ 32.661934] ? memset+0x31/0x40 [ 32.661941] ? __alloc_skb+0x57e/0x780 [ 32.661949] ? skb_copy_and_csum_dev+0x370/0x370 [ 32.661955] ? __lock_is_held+0xb6/0x140 [ 32.661972] ? sock_def_wakeup+0x225/0x350 [ 32.661988] tcp_send_ack.part.41+0x389/0x610 [ 32.661997] tcp_send_ack+0x49/0x60 [ 32.662002] tcp_rcv_state_process+0x3d0f/0x4830 [ 32.662015] ? tcp_finish_connect+0x410/0x410 [ 32.662025] ? __release_sock+0xca/0x360 [ 32.662031] ? lock_downgrade+0x980/0x980 [ 32.662046] ? __local_bh_enable_ip+0x121/0x230 [ 32.662056] tcp_v4_do_rcv+0x55c/0x7d0 [ 32.662060] ? tcp_v4_do_rcv+0x55c/0x7d0 [ 32.662068] __release_sock+0x124/0x360 [ 32.662081] release_sock+0xa4/0x2a0 [ 32.662088] ? __release_sock+0x360/0x360 [ 32.662092] ? lock_sock_nested+0x91/0x110 [ 32.662096] ? trace_hardirqs_on+0xd/0x10 [ 32.662100] ? __local_bh_enable_ip+0x121/0x230 [ 32.662111] tcp_sendmsg+0x3a/0x50 [ 32.662118] inet_sendmsg+0x11f/0x5e0 [ 32.662123] ? __might_sleep+0x95/0x190 [ 32.662128] ? inet_recvmsg+0x5f0/0x5f0 [ 32.662137] ? selinux_socket_sendmsg+0x36/0x40 [ 32.662142] ? security_socket_sendmsg+0x89/0xb0 [ 32.662147] ? inet_recvmsg+0x5f0/0x5f0 [ 32.662153] sock_sendmsg+0xca/0x110 [ 32.662160] SYSC_sendto+0x361/0x5c0 [ 32.662169] ? SYSC_connect+0x4a0/0x4a0 [ 32.662177] ? sock_has_perm+0x2a4/0x420 [ 32.662185] ? selinux_secmark_relabel_packet+0xc0/0xc0 [ 32.662194] ? selinux_netlbl_sock_rcv_skb+0x730/0x730 [ 32.662197] ? lock_downgrade+0x980/0x980 [ 32.662213] ? compat_tcp_setsockopt+0x44/0x70 [ 32.662222] ? compat_sock_common_setsockopt+0xb9/0x140 [ 32.662225] ? tcp_setsockopt+0xd0/0xd0 [ 32.662232] ? fput+0xd2/0x140 [ 32.662241] ? compat_SyS_setsockopt+0x200/0x410 [ 32.662245] ? sock_common_setsockopt+0xd0/0xd0 [ 32.662253] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 32.662262] SyS_sendto+0x40/0x50 [ 32.662268] ? SyS_getpeername+0x30/0x30 [ 32.662274] do_fast_syscall_32+0x3ee/0xf9d [ 32.662285] ? do_int80_syscall_32+0x9d0/0x9d0 [ 32.662290] ? kasan_check_read+0x11/0x20 [ 32.662296] ? syscall_return_slowpath+0x550/0x550 [ 32.662303] ? SyS_rt_sigaction+0x94/0x1b0 [ 32.662309] ? SyS_sigprocmask+0x4b0/0x4b0 [ 32.662313] ? SyS_read+0x184/0x220 [ 32.662319] ? sysret32_from_system_call+0x5/0x3b [ 32.662329] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 32.662340] entry_SYSENTER_compat+0x54/0x63 [ 32.662344] RIP: 0023:0xf7f47c79 [ 32.662346] RSP: 002b:00000000fff28c2c EFLAGS: 00000286 ORIG_RAX: 0000000000000171 [ 32.662351] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000002087a000 [ 32.662354] RDX: 0000000000000000 RSI: 0000000020008045 RDI: 00000000200b0000 [ 32.662356] RBP: 0000000000000010 R08: 0000000000000000 R09: 0000000000000000 [ 32.662358] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 32.662360] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 32.662377] [ 32.662379] Allocated by task 3470: [ 32.662383] save_stack+0x43/0xd0 [ 32.662386] kasan_kmalloc+0xad/0xe0 [ 32.662390] kasan_slab_alloc+0x12/0x20 [ 32.662393] kmem_cache_alloc+0x12e/0x760 [ 32.662396] sk_prot_alloc+0x65/0x2a0 [ 32.662400] sk_clone_lock+0x152/0x1570 [ 32.662403] inet_csk_clone_lock+0x92/0x4f0 [ 32.662406] tcp_create_openreq_child+0x9b/0x1b70 [ 32.662410] tcp_v4_syn_recv_sock+0x119/0x1270 [ 32.662413] tcp_v6_syn_recv_sock+0x1574/0x23a0 [ 32.662416] tcp_get_cookie_sock+0x102/0x540 [ 32.662419] cookie_v4_check+0x1a87/0x2920 [ 32.662422] tcp_v4_do_rcv+0x6e9/0x7d0 [ 32.662425] tcp_v4_rcv+0x275f/0x2eb0 [ 32.662429] ip_local_deliver_finish+0x2f1/0xc50 [ 32.662433] ip_local_deliver+0x1ce/0x6e0 [ 32.662436] ip_rcv_finish+0x959/0x1e30 [ 32.662439] ip_rcv+0xc5a/0x1840 [ 32.662443] __netif_receive_skb_core+0x1a41/0x3460 [ 32.662447] __netif_receive_skb+0x2c/0x1b0 [ 32.662450] process_backlog+0x203/0x740 [ 32.662453] net_rx_action+0x792/0x1910 [ 32.662456] __do_softirq+0x2d7/0xb85 [ 32.662457] [ 32.662459] Freed by task 0: [ 32.662460] (stack is not available) [ 32.662461] [ 32.662464] The buggy address belongs to the object at ffff8801c01dea80 [ 32.662464] which belongs to the cache TCP of size 2528 [ 32.662474] The buggy address is located 0 bytes to the right of [ 32.662474] 2528-byte region [ffff8801c01dea80, ffff8801c01df460) [ 32.662476] The buggy address belongs to the page: [ 32.662481] page:000000004f9d3f5b count:1 mapcount:0 mapping:000000009a104267 index:0xffff8801c01dfffd compound_mapcount: 0 [ 32.662489] flags: 0x2fffc0000008100(slab|head) [ 32.662497] raw: 02fffc0000008100 ffff8801c01de000 ffff8801c01dfffd 0000000100000003 [ 32.662501] raw: ffffea00074cbd20 ffff8801d7f58948 ffff8801d6f30dc0 0000000000000000 [ 32.662503] page dumped because: kasan: bad access detected [ 32.662504] [ 32.662506] Memory state around the buggy address: [ 32.662509] ffff8801c01df300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 32.662512] ffff8801c01df380: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 32.662515] >ffff8801c01df400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc [ 32.662517] ^ [ 32.662520] ffff8801c01df480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.662523] ffff8801c01df500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 32.662524] ================================================================== [ 32.662526] Disabling lock debugging due to kernel taint [ 32.662542] Kernel panic - not syncing: panic_on_warn set ... [ 32.662542] [ 32.662546] CPU: 1 PID: 3470 Comm: syzkaller061892 Tainted: G B 4.15.0-rc5+ #154 [ 32.662548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.662549] Call Trace: [ 32.662551] [ 32.662556] dump_stack+0x194/0x257 [ 32.662561] ? arch_local_irq_restore+0x53/0x53 [ 32.662566] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.662571] ? vsnprintf+0x1ed/0x1900 [ 32.662575] ? tcp_v6_syn_recv_sock+0x1550/0x23a0 [ 32.662579] panic+0x1e4/0x41c [ 32.662583] ? refcount_error_report+0x214/0x214 [ 32.662588] ? add_taint+0x1c/0x50 [ 32.662592] ? add_taint+0x1c/0x50 [ 32.662597] ? tcp_v6_syn_recv_sock+0x1612/0x23a0 [ 32.662602] kasan_end_report+0x50/0x50 [ 32.662605] kasan_report+0x144/0x340 [ 32.662611] check_memory_region+0x137/0x190 [ 32.662615] memcpy+0x37/0x50 [ 32.662620] tcp_v6_syn_recv_sock+0x1612/0x23a0 [ 32.662626] ? tcp_rcv_state_process+0x3d0f/0x4830 [ 32.662631] ? tcp_v6_conn_request+0x270/0x270 [ 32.662634] ? SYSC_sendto+0x361/0x5c0 [ 32.662637] ? SyS_sendto+0x40/0x50 [ 32.662644] ? xfrm_policy_lookup+0x70/0x70 [ 32.662652] ? find_held_lock+0x35/0x1d0 [ 32.662660] ? ip_route_output_key_hash+0x229/0x370 [ 32.662664] ? lock_downgrade+0x980/0x980 [ 32.662668] ? selinux_netlbl_inet_conn_request+0x81/0x3c0 [ 32.662673] ? lock_release+0xa40/0xa40 [ 32.662678] ? rcu_read_lock_sched_held+0x108/0x120 [ 32.662685] tcp_get_cookie_sock+0x102/0x540 [ 32.662690] ? cookie_ecn_ok+0x120/0x120 [ 32.662694] ? ip_route_output_key_hash+0x252/0x370 [ 32.662699] ? ip_route_output_key_hash_rcu+0x2c40/0x2c40 [ 32.662707] ? xfrm_lookup_route+0x4f/0x1a0 [ 32.662711] ? tcp_select_initial_window+0x30c/0x410 [ 32.662718] cookie_v4_check+0x1a87/0x2920 [ 32.662721] ? sk_filter_trim_cap+0x40a/0x9c0 [ 32.662730] ? cookie_v4_init_sequence+0xe0/0xe0 [ 32.662734] ? __lock_is_held+0xb6/0x140 [ 32.662743] ? sk_filter_trim_cap+0xe7/0x9c0 [ 32.662754] ? tcp_v4_reqsk_send_ack+0x3e0/0x3e0 [ 32.662760] tcp_v4_do_rcv+0x6e9/0x7d0 [ 32.662766] tcp_v4_rcv+0x275f/0x2eb0 [ 32.662770] ? __lock_acquire+0x3825/0x3e00 [ 32.662781] ? tcp_v4_early_demux+0xa40/0xa40 [ 32.662791] ip_local_deliver_finish+0x2f1/0xc50 [ 32.662797] ? ip_rcv_finish+0x1e30/0x1e30 [ 32.662802] ? nf_hook_slow+0xd3/0x1a0 [ 32.662809] ip_local_deliver+0x1ce/0x6e0 [ 32.662814] ? ip_call_ra_chain+0x6d0/0x6d0 [ 32.662817] ? mark_held_locks+0xaf/0x100 [ 32.662822] ? check_noncircular+0x20/0x20 [ 32.662828] ? ip_rcv_finish+0x1e30/0x1e30 [ 32.662832] ? __local_bh_enable_ip+0x121/0x230 [ 32.662837] ? ipt_do_table+0xd75/0x1330 [ 32.662842] ip_rcv_finish+0x959/0x1e30 [ 32.662850] ? inet_del_offload+0x40/0x40 [ 32.662857] ? ip_rcv+0xf22/0x1840 [ 32.662861] ? lock_downgrade+0x980/0x980 [ 32.662867] ? nf_nat_ipv4_in+0x1cd/0x270 [ 32.662871] ? iptable_nat_ipv4_fn+0x40/0x40 [ 32.662879] ? nf_hook_slow+0xd3/0x1a0 [ 32.662885] ip_rcv+0xc5a/0x1840 [ 32.662893] ? ip_local_deliver+0x6e0/0x6e0 [ 32.662898] ? mark_lock+0xb2c/0x1430 [ 32.662902] ? check_usage_backwards+0x410/0x410 [ 32.662910] ? inet_del_offload+0x40/0x40 [ 32.662916] ? ip_local_deliver+0x6e0/0x6e0 [ 32.662921] __netif_receive_skb_core+0x1a41/0x3460 [ 32.662930] ? nf_ingress+0x9f0/0x9f0 [ 32.662940] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 32.662944] ? rcu_read_lock_sched_held+0x108/0x120 [ 32.662948] ? update_cfs_rq_load_avg.part.69+0x23d/0x2d0 [ 32.662951] ? attach_entity_load_avg+0x7a0/0x7a0 [ 32.662957] ? __update_load_avg_se.isra.27+0x56a/0x7c0 [ 32.662961] ? __update_load_avg_se.isra.27+0x56a/0x7c0 [ 32.662970] ? __lock_acquire+0x664/0x3e00 [ 32.662976] ? fastpath_timer_check+0x7d5/0xa70 [ 32.662979] ? update_cfs_rq_load_avg.part.69+0x2d0/0x2d0 [ 32.662987] ? check_noncircular+0x20/0x20 [ 32.662991] ? check_noncircular+0x20/0x20 [ 32.663004] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 32.663010] ? find_held_lock+0x35/0x1d0 [ 32.663016] ? find_held_lock+0x35/0x1d0 [ 32.663023] ? lock_acquire+0x1d5/0x580 [ 32.663027] ? process_backlog+0x45f/0x740 [ 32.663030] ? lock_acquire+0x1d5/0x580 [ 32.663033] ? process_backlog+0x1ab/0x740 [ 32.663040] ? lock_release+0xa40/0xa40 [ 32.663050] __netif_receive_skb+0x2c/0x1b0 [ 32.663054] ? __netif_receive_skb+0x2c/0x1b0 [ 32.663059] process_backlog+0x203/0x740 [ 32.663062] ? mark_held_locks+0xaf/0x100 [ 32.663070] net_rx_action+0x792/0x1910 [ 32.663075] ? perf_event_task_tick+0x849/0xfb0 [ 32.663084] ? napi_complete_done+0x6c0/0x6c0 [ 32.663088] ? cpu_load_update_active+0x210/0x2a0 [ 32.663094] ? trace_hardirqs_off+0xd/0x10 [ 32.663098] ? _raw_spin_unlock_irqrestore+0xa6/0xba [ 32.663103] ? debug_object_activate+0x307/0x730 [ 32.663110] ? check_noncircular+0x20/0x20 [ 32.663115] ? timerqueue_add+0x1e9/0x280 [ 32.663122] ? enqueue_hrtimer+0x171/0x4a0 [ 32.663126] ? __remove_hrtimer+0x190/0x190 [ 32.663133] ? find_held_lock+0x35/0x1d0 [ 32.663141] ? clockevents_program_event+0x163/0x2e0 [ 32.663145] ? lock_downgrade+0x980/0x980 [ 32.663154] ? pvclock_read_flags+0x160/0x160 [ 32.663162] ? check_noncircular+0x20/0x20 [ 32.663167] ? print_irqtrace_events+0x270/0x270 [ 32.663172] ? ktime_get_resolution_ns+0x300/0x300 [ 32.663175] ? lock_downgrade+0x980/0x980 [ 32.663180] ? check_noncircular+0x20/0x20 [ 32.663185] ? do_timer+0x50/0x50 [ 32.663191] ? __lock_is_held+0xb6/0x140 [ 32.663201] __do_softirq+0x2d7/0xb85 [ 32.663204] ? task_prio+0x40/0x40 [ 32.663211] ? __irqentry_text_end+0x1f8d74/0x1f8d74 [ 32.663215] ? irq_exit+0xbb/0x200 [ 32.663218] ? smp_apic_timer_interrupt+0x16b/0x700 [ 32.663223] ? smp_call_function_single_interrupt+0x640/0x640 [ 32.663227] ? _raw_spin_lock+0x32/0x40 [ 32.663232] ? _raw_spin_unlock+0x22/0x30 [ 32.663236] ? handle_edge_irq+0x2b4/0x7c0 [ 32.663240] ? task_prio+0x40/0x40 [ 32.663248] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 32.663255] do_softirq_own_stack+0x2a/0x40 [ 32.663257] [ 32.663261] do_softirq.part.21+0x14d/0x190 [ 32.663265] ? ip_finish_output2+0x8e7/0x1500 [ 32.663269] __local_bh_enable_ip+0x1ee/0x230 [ 32.663274] ip_finish_output2+0x91a/0x1500 [ 32.663281] ? ip_copy_metadata+0xac0/0xac0 [ 32.663284] ? check_noncircular+0x20/0x20 [ 32.663288] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 32.663292] ? ipt_do_table+0xd0a/0x1330 [ 32.663296] ? trace_hardirqs_on+0xd/0x10 [ 32.663301] ? ipt_do_table+0xd75/0x1330 [ 32.663305] ? __local_bh_enable_ip+0x121/0x230 [ 32.663310] ? ipv4_mtu+0x34d/0x4c0 [ 32.663314] ? rt_cpu_seq_show+0x2c0/0x2c0 [ 32.663319] ? __lock_is_held+0xb6/0x140 [ 32.663328] ip_finish_output+0x864/0xd10 [ 32.663331] ? ip_finish_output+0x864/0xd10 [ 32.663336] ? ip_fragment.constprop.47+0x200/0x200 [ 32.663340] ? iptable_mangle_hook+0xa9/0x560 [ 32.663347] ? nf_hook_slow+0xd3/0x1a0 [ 32.663353] ip_output+0x1d2/0x860 [ 32.663358] ? ip_mc_output+0x1360/0x1360 [ 32.663366] ? ip_fragment.constprop.47+0x200/0x200 [ 32.663373] ip_local_out+0x95/0x160 [ 32.663378] ip_queue_xmit+0x8c6/0x18e0 [ 32.663382] ? tcp_rcv_state_process+0x3d0f/0x4830 [ 32.663389] ? ip_build_and_send_pkt+0xc30/0xc30 [ 32.663394] ? refcount_dec_if_one+0x20/0x20 [ 32.663399] ? __tcp_v4_send_check+0x1be/0x360 [ 32.663403] ? tcp_options_write+0x228/0x940 [ 32.663410] tcp_transmit_skb+0x1b1b/0x38c0 [ 32.663421] ? __tcp_select_window+0x900/0x900 [ 32.663425] ? kasan_kmalloc+0xad/0xe0 [ 32.663431] ? __kmalloc_node_track_caller+0x47/0x70 [ 32.663437] ? memset+0x31/0x40 [ 32.663441] ? __alloc_skb+0x57e/0x780 [ 32.663446] ? skb_copy_and_csum_dev+0x370/0x370 [ 32.663451] ? __lock_is_held+0xb6/0x140 [ 32.663461] ? sock_def_wakeup+0x225/0x350 [ 32.663475] tcp_send_ack.part.41+0x389/0x610 [ 32.663481] tcp_send_ack+0x49/0x60 [ 32.663486] tcp_rcv_state_process+0x3d0f/0x4830 [ 32.663494] ? tcp_finish_connect+0x410/0x410 [ 32.663501] ? __release_sock+0xca/0x360 [ 32.663505] ? lock_downgrade+0x980/0x980 [ 32.663514] ? __local_bh_enable_ip+0x121/0x230 [ 32.663521] tcp_v4_do_rcv+0x55c/0x7d0 [ 32.663523] ? tcp_v4_do_rcv+0x55c/0x7d0 [ 32.663529] __release_sock+0x124/0x360 [ 32.663537] release_sock+0xa4/0x2a0 [ 32.663542] ? __release_sock+0x360/0x360 [ 32.663546] ? lock_sock_nested+0x91/0x110 [ 32.663549] ? trace_hardirqs_on+0xd/0x10 [ 32.663553] ? __local_bh_enable_ip+0x121/0x230 [ 32.663560] tcp_sendmsg+0x3a/0x50 [ 32.663565] inet_sendmsg+0x11f/0x5e0 [ 32.663568] ? __might_sleep+0x95/0x190 [ 32.663572] ? inet_recvmsg+0x5f0/0x5f0 [ 32.663577] ? selinux_socket_sendmsg+0x36/0x40 [ 32.663581] ? security_socket_sendmsg+0x89/0xb0 [ 32.663585] ? inet_recvmsg+0x5f0/0x5f0 [ 32.663589] sock_sendmsg+0xca/0x110 [ 32.663594] SYSC_sendto+0x361/0x5c0 [ 32.663600] ? SYSC_connect+0x4a0/0x4a0 [ 32.663606] ? sock_has_perm+0x2a4/0x420 [ 32.663611] ? selinux_secmark_relabel_packet+0xc0/0xc0 [ 32.663617] ? selinux_netlbl_sock_rcv_skb+0x730/0x730 [ 32.663620] ? lock_downgrade+0x980/0x980 [ 32.663630] ? compat_tcp_setsockopt+0x44/0x70 [ 32.663636] ? compat_sock_common_setsockopt+0xb9/0x140 [ 32.663639] ? tcp_setsockopt+0xd0/0xd0 [ 32.663643] ? fput+0xd2/0x140 [ 32.663648] ? compat_SyS_setsockopt+0x200/0x410 [ 32.663651] ? sock_common_setsockopt+0xd0/0xd0 [ 32.663657] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 32.663663] SyS_sendto+0x40/0x50 [ 32.663667] ? SyS_getpeername+0x30/0x30 [ 32.663672] do_fast_syscall_32+0x3ee/0xf9d [ 32.663679] ? do_int80_syscall_32+0x9d0/0x9d0 [ 32.663683] ? kasan_check_read+0x11/0x20 [ 32.663688] ? syscall_return_slowpath+0x550/0x550 [ 32.663692] ? SyS_rt_sigaction+0x94/0x1b0 [ 32.663697] ? SyS_sigprocmask+0x4b0/0x4b0 [ 32.663700] ? SyS_read+0x184/0x220 [ 32.663705] ? sysret32_from_system_call+0x5/0x3b [ 32.663711] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 32.663719] entry_SYSENTER_compat+0x54/0x63 [ 32.663721] RIP: 0023:0xf7f47c79 [ 32.663723] RSP: 002b:00000000fff28c2c EFLAGS: 00000286 ORIG_RAX: 0000000000000171 [ 32.663727] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000002087a000 [ 32.663729] RDX: 0000000000000000 RSI: 0000000020008045 RDI: 00000000200b0000 [ 32.663731] RBP: 0000000000000010 R08: 0000000000000000 R09: 0000000000000000 [ 32.663733] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 32.663735] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 32.681426] Dumping ftrace buffer: [ 32.681430] (ftrace buffer empty) [ 32.681432] Kernel Offset: disabled [ 34.902407] Rebooting in 86400 seconds..