[....] Starting enhanced syslogd: rsyslogd[ 10.887323] audit: type=1400 audit(1514731372.742:5): avc: denied { syslog } for pid=2996 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 periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] 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: [ 18.164128] audit: type=1400 audit(1514731380.018:6): avc: denied { map } for pid=3138 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 '10.128.0.34' (ECDSA) to the list of known hosts. executing program [ 24.478819] audit: type=1400 audit(1514731386.333:7): avc: denied { map } for pid=3152 comm="syzkaller563069" path="/root/syzkaller563069699" 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 [ 24.482490] TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 24.482963] ================================================================== [ 24.482980] BUG: KASAN: slab-out-of-bounds in tcp_v6_syn_recv_sock+0x1567/0x2330 [ 24.482984] Write of size 152 at addr ffff8801c85d5ef0 by task syzkaller563069/3152 [ 24.482985] [ 24.482991] CPU: 0 PID: 3152 Comm: syzkaller563069 Not tainted 4.15.0-rc4-mm1+ #49 [ 24.482993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.482995] Call Trace: [ 24.482997] [ 24.483009] dump_stack+0x194/0x257 [ 24.483017] ? arch_local_irq_restore+0x53/0x53 [ 24.483025] ? show_regs_print_info+0x18/0x18 [ 24.483034] ? tcp_add_backlog+0x880/0x880 [ 24.483040] ? tcp_v6_syn_recv_sock+0x1567/0x2330 [ 24.483049] print_address_description+0x73/0x250 [ 24.483055] ? tcp_v6_syn_recv_sock+0x1567/0x2330 [ 24.483061] kasan_report+0x23b/0x360 [ 24.483070] check_memory_region+0x137/0x190 [ 24.483075] memcpy+0x37/0x50 [ 24.483083] tcp_v6_syn_recv_sock+0x1567/0x2330 [ 24.483095] ? tcp_v6_conn_request+0x270/0x270 [ 24.483102] ? SYSC_sendto+0x361/0x5c0 [ 24.483106] ? SyS_sendto+0x40/0x50 [ 24.483117] ? xfrm_policy_lookup_bytype.constprop.48+0x960/0x960 [ 24.483132] ? find_held_lock+0x35/0x1d0 [ 24.483144] ? ip_route_output_key_hash+0x229/0x370 [ 24.483150] ? lock_downgrade+0x980/0x980 [ 24.483156] ? selinux_netlbl_inet_conn_request+0x81/0x3c0 [ 24.483163] ? lock_release+0xa40/0xa40 [ 24.483172] ? rcu_read_lock_sched_held+0x108/0x120 [ 24.483184] tcp_get_cookie_sock+0x102/0x540 [ 24.483192] ? cookie_ecn_ok+0x120/0x120 [ 24.483195] ? ip_route_output_key_hash+0x252/0x370 [ 24.483202] ? ip_route_output_key_hash_rcu+0x2c10/0x2c10 [ 24.483214] ? xfrm_lookup_route+0x4f/0x1a0 [ 24.483219] ? tcp_select_initial_window+0x30c/0x410 [ 24.483230] cookie_v4_check+0x1a87/0x2920 [ 24.483235] ? sk_filter_trim_cap+0x40a/0x9c0 [ 24.483250] ? cookie_v4_init_sequence+0xe0/0xe0 [ 24.483254] ? __lock_is_held+0xb6/0x140 [ 24.483270] ? sk_filter_trim_cap+0xe7/0x9c0 [ 24.483296] ? tcp_v4_reqsk_send_ack+0x3e0/0x3e0 [ 24.483305] tcp_v4_do_rcv+0x6e9/0x7d0 [ 24.483313] tcp_v4_rcv+0x26c6/0x2e10 [ 24.483320] ? lockdep_free_key_range+0x2ca/0x580 [ 24.483339] ? tcp_v4_early_demux+0xa30/0xa30 [ 24.483354] ip_local_deliver_finish+0x2e2/0xba0 [ 24.483363] ? inet_del_offload+0x40/0x40 [ 24.483372] ? nf_hook_slow+0xd3/0x1a0 [ 24.483381] ip_local_deliver+0x1ce/0x6e0 [ 24.483388] ? ip_call_ra_chain+0x6d0/0x6d0 [ 24.483395] ? ipt_do_table+0xd62/0x13a0 [ 24.483400] ? check_noncircular+0x20/0x20 [ 24.483406] ? __local_bh_enable_ip+0x121/0x230 [ 24.483413] ? inet_del_offload+0x40/0x40 [ 24.483425] ip_rcv_finish+0x881/0x19a0 [ 24.483436] ? ip_local_deliver_finish+0xba0/0xba0 [ 24.483448] ? ip_rcv+0xf07/0x1820 [ 24.483453] ? lock_downgrade+0x980/0x980 [ 24.483462] ? nf_nat_ipv4_in+0x1cd/0x270 [ 24.483466] ? iptable_nat_ipv4_fn+0x40/0x40 [ 24.483479] ? nf_hook_slow+0xd3/0x1a0 [ 24.483488] ip_rcv+0xc3f/0x1820 [ 24.483499] ? ip_local_deliver+0x6e0/0x6e0 [ 24.483507] ? mark_lock+0xb2c/0x1430 [ 24.483511] ? check_usage_backwards+0x410/0x410 [ 24.483524] ? ip_local_deliver_finish+0xba0/0xba0 [ 24.483532] ? ip_local_deliver+0x6e0/0x6e0 [ 24.483540] __netif_receive_skb_core+0x1a3e/0x3450 [ 24.483553] ? nf_ingress+0x9f0/0x9f0 [ 24.483571] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 24.483574] ? rcu_read_lock_sched_held+0x108/0x120 [ 24.483580] ? update_cfs_rq_load_avg.part.68+0x23d/0x2d0 [ 24.483585] ? attach_entity_load_avg+0x7a0/0x7a0 [ 24.483591] ? __update_load_avg_se.isra.27+0x56a/0x7c0 [ 24.483595] ? __update_load_avg_se.isra.27+0x56a/0x7c0 [ 24.483606] ? __lock_acquire+0x664/0x3e00 [ 24.483612] ? __lock_acquire+0x664/0x3e00 [ 24.483622] ? fastpath_timer_check+0x7d5/0xa70 [ 24.483636] ? check_noncircular+0x20/0x20 [ 24.483641] ? check_noncircular+0x20/0x20 [ 24.483657] ? find_held_lock+0x35/0x1d0 [ 24.483668] ? find_held_lock+0x35/0x1d0 [ 24.483679] ? lock_acquire+0x1d5/0x580 [ 24.483682] ? process_backlog+0x45f/0x740 [ 24.483685] ? lock_acquire+0x1d5/0x580 [ 24.483689] ? process_backlog+0x1ab/0x740 [ 24.483700] ? lock_release+0xa40/0xa40 [ 24.483715] __netif_receive_skb+0x2c/0x1b0 [ 24.483719] ? __netif_receive_skb+0x2c/0x1b0 [ 24.483726] process_backlog+0x203/0x740 [ 24.483730] ? mark_held_locks+0xaf/0x100 [ 24.483744] net_rx_action+0x792/0x1910 [ 24.483760] ? napi_complete_done+0x6c0/0x6c0 [ 24.483767] ? trace_hardirqs_on_caller+0x19e/0x5c0 [ 24.483773] ? trace_hardirqs_on+0xd/0x10 [ 24.483779] ? _raw_spin_unlock_irq+0x27/0x70 [ 24.483785] ? __run_timers+0x16f/0xb70 [ 24.483789] ? _raw_spin_unlock_irqrestore+0xa6/0xba [ 24.483803] ? trigger_dyntick_cpu.isra.29+0x180/0x180 [ 24.483806] ? check_noncircular+0x20/0x20 [ 24.483815] ? timerqueue_add+0x1e9/0x280 [ 24.483825] ? enqueue_hrtimer+0x171/0x4a0 [ 24.483831] ? __remove_hrtimer+0x190/0x190 [ 24.483842] ? find_held_lock+0x35/0x1d0 [ 24.483854] ? clockevents_program_event+0x163/0x2e0 [ 24.483860] ? lock_downgrade+0x980/0x980 [ 24.483875] ? rcu_pm_notify+0xc0/0xc0 [ 24.483888] ? check_noncircular+0x20/0x20 [ 24.483894] ? print_irqtrace_events+0x270/0x270 [ 24.483902] ? lock_downgrade+0x980/0x980 [ 24.483912] ? __irqentry_text_end+0x1f8db4/0x1f8db4 [ 24.483918] ? do_timer+0x50/0x50 [ 24.483928] ? __lock_is_held+0xb6/0x140 [ 24.483945] __do_softirq+0x2d7/0xb85 [ 24.483950] ? task_prio+0x40/0x40 [ 24.483962] ? __irqentry_text_end+0x1f8db4/0x1f8db4 [ 24.483966] ? irq_exit+0xbb/0x200 [ 24.483972] ? smp_apic_timer_interrupt+0x16b/0x700 [ 24.483978] ? smp_call_function_single_interrupt+0x640/0x640 [ 24.483982] ? _raw_spin_lock+0x32/0x40 [ 24.483990] ? _raw_spin_unlock+0x22/0x30 [ 24.483995] ? handle_edge_irq+0x2b4/0x7c0 [ 24.484001] ? task_prio+0x40/0x40 [ 24.484015] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 24.484027] do_softirq_own_stack+0x2a/0x40 [ 24.484029] [ 24.484034] do_softirq.part.21+0x14d/0x190 [ 24.484038] ? ip_finish_output2+0x874/0x1460 [ 24.484043] __local_bh_enable_ip+0x1ee/0x230 [ 24.484049] ip_finish_output2+0x8a7/0x1460 [ 24.484054] ? __local_bh_enable_ip+0x121/0x230 [ 24.484063] ? dst_output+0x140/0x140 [ 24.484066] ? check_noncircular+0x20/0x20 [ 24.484074] ? ipt_do_table+0xdcd/0x13a0 [ 24.484078] ? __local_bh_enable_ip+0x121/0x230 [ 24.484092] ? ipv4_mtu+0x28c/0x3d0 [ 24.484099] ? rt_cpu_seq_show+0x2c0/0x2c0 [ 24.484106] ? __lock_is_held+0xb6/0x140 [ 24.484120] ip_finish_output+0x85e/0xd10 [ 24.484124] ? ip_finish_output+0x85e/0xd10 [ 24.484132] ? ip_fragment.constprop.49+0x200/0x200 [ 24.484136] ? iptable_mangle_hook+0xa9/0x550 [ 24.484148] ? nf_hook_slow+0xd3/0x1a0 [ 24.484158] ip_output+0x1cc/0x860 [ 24.484166] ? ip_mc_output+0x1340/0x1340 [ 24.484179] ? ip_fragment.constprop.49+0x200/0x200 [ 24.484192] ip_local_out+0x95/0x160 [ 24.484200] ip_queue_xmit+0x8c0/0x18e0 [ 24.484204] ? tcp_rcv_state_process+0x3d0f/0x4830 [ 24.484215] ? ip_build_and_send_pkt+0xc30/0xc30 [ 24.484222] ? refcount_dec_if_one+0x20/0x20 [ 24.484231] ? __tcp_v4_send_check+0x1b8/0x350 [ 24.484234] ? tcp_options_write+0x228/0x940 [ 24.484245] tcp_transmit_skb+0x1b12/0x38b0 [ 24.484263] ? __tcp_select_window+0x900/0x900 [ 24.484268] ? kasan_kmalloc+0xad/0xe0 [ 24.484277] ? __kmalloc_node_track_caller+0x47/0x70 [ 24.484290] ? memset+0x31/0x40 [ 24.484297] ? __alloc_skb+0x57e/0x780 [ 24.484305] ? skb_copy_and_csum_dev+0x360/0x360 [ 24.484312] ? __lock_is_held+0xb6/0x140 [ 24.484328] ? sock_def_wakeup+0x225/0x350 [ 24.484343] tcp_send_ack.part.41+0x389/0x610 [ 24.484352] tcp_send_ack+0x49/0x60 [ 24.484357] tcp_rcv_state_process+0x3d0f/0x4830 [ 24.484369] ? tcp_finish_connect+0x410/0x410 [ 24.484379] ? __release_sock+0xca/0x360 [ 24.484385] ? lock_downgrade+0x980/0x980 [ 24.484400] ? __local_bh_enable_ip+0x121/0x230 [ 24.484410] tcp_v4_do_rcv+0x55c/0x7d0 [ 24.484414] ? tcp_v4_do_rcv+0x55c/0x7d0 [ 24.484422] __release_sock+0x124/0x360 [ 24.484435] release_sock+0xa4/0x2a0 [ 24.484441] ? __release_sock+0x360/0x360 [ 24.484445] ? lock_sock_nested+0x91/0x110 [ 24.484449] ? trace_hardirqs_on+0xd/0x10 [ 24.484453] ? __local_bh_enable_ip+0x121/0x230 [ 24.484465] tcp_sendmsg+0x3a/0x50 [ 24.484472] inet_sendmsg+0x11f/0x5e0 [ 24.484476] ? __might_sleep+0x95/0x190 [ 24.484482] ? inet_recvmsg+0x5f0/0x5f0 [ 24.484491] ? selinux_socket_sendmsg+0x36/0x40 [ 24.484498] ? security_socket_sendmsg+0x89/0xb0 [ 24.484503] ? inet_recvmsg+0x5f0/0x5f0 [ 24.484510] sock_sendmsg+0xca/0x110 [ 24.484517] SYSC_sendto+0x361/0x5c0 [ 24.484526] ? SYSC_connect+0x4a0/0x4a0 [ 24.484533] ? selinux_secmark_relabel_packet+0xc0/0xc0 [ 24.484540] ? __do_page_fault+0x3d6/0xc90 [ 24.484548] ? selinux_netlbl_sock_rcv_skb+0x730/0x730 [ 24.484570] ? sock_common_setsockopt+0x95/0xd0 [ 24.484579] ? SyS_setsockopt+0x215/0x360 [ 24.484588] ? SyS_recv+0x40/0x40 [ 24.484594] ? entry_SYSCALL_64_fastpath+0x5/0x96 [ 24.484605] SyS_sendto+0x40/0x50 [ 24.484614] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 24.484618] RIP: 0033:0x43feb9 [ 24.484621] RSP: 002b:00007ffe9efaa3d8 EFLAGS: 00000217 ORIG_RAX: 000000000000002c [ 24.484626] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 000000000043feb9 [ 24.484629] RDX: 0000000000000000 RSI: 000000002087a000 RDI: 0000000000000003 [ 24.484632] RBP: 00000000006ca018 R08: 00000000200b0000 R09: 0000000000000010 [ 24.484634] R10: 0000000020008045 R11: 0000000000000217 R12: 0000000000401820 [ 24.484636] R13: 00000000004018b0 R14: 0000000000000000 R15: 0000000000000000 [ 24.484653] [ 24.484656] Allocated by task 3152: [ 24.484660] save_stack+0x43/0xd0 [ 24.484663] kasan_kmalloc+0xad/0xe0 [ 24.484667] kasan_slab_alloc+0x12/0x20 [ 24.484670] kmem_cache_alloc+0x12e/0x760 [ 24.484673] sk_prot_alloc+0x65/0x2a0 [ 24.484676] sk_clone_lock+0x152/0x1630 [ 24.484679] inet_csk_clone_lock+0x91/0x4c0 [ 24.484683] tcp_create_openreq_child+0x9b/0x1b70 [ 24.484687] tcp_v4_syn_recv_sock+0x119/0x1260 [ 24.484690] tcp_v6_syn_recv_sock+0x14c9/0x2330 [ 24.484694] tcp_get_cookie_sock+0x102/0x540 [ 24.484697] cookie_v4_check+0x1a87/0x2920 [ 24.484700] tcp_v4_do_rcv+0x6e9/0x7d0 [ 24.484703] tcp_v4_rcv+0x26c6/0x2e10 [ 24.484706] ip_local_deliver_finish+0x2e2/0xba0 [ 24.484709] ip_local_deliver+0x1ce/0x6e0 [ 24.484712] ip_rcv_finish+0x881/0x19a0 [ 24.484715] ip_rcv+0xc3f/0x1820 [ 24.484718] __netif_receive_skb_core+0x1a3e/0x3450 [ 24.484721] __netif_receive_skb+0x2c/0x1b0 [ 24.484724] process_backlog+0x203/0x740 [ 24.484727] net_rx_action+0x792/0x1910 [ 24.484730] __do_softirq+0x2d7/0xb85 [ 24.484732] [ 24.484733] Freed by task 0: [ 24.484735] (stack is not available) [ 24.484736] [ 24.484738] The buggy address belongs to the object at ffff8801c85d5500 [ 24.484738] which belongs to the cache TCP of size 2544 [ 24.484742] The buggy address is located 0 bytes to the right of [ 24.484742] 2544-byte region [ffff8801c85d5500, ffff8801c85d5ef0) [ 24.484743] The buggy address belongs to the page: [ 24.484747] page:ffffea0007217500 count:1 mapcount:0 mapping:ffff8801c85d4000 index:0xffff8801c85d5ffd compound_mapcount: 0 [ 24.484753] flags: 0x2fffc0000008100(slab|head) [ 24.484759] raw: 02fffc0000008100 ffff8801c85d4000 ffff8801c85d5ffd 0000000100000003 [ 24.484763] raw: ffffea00072ec8a0 ffff8801d6d2ed48 ffff8801d7941c40 0000000000000000 [ 24.484765] page dumped because: kasan: bad access detected [ 24.484766] [ 24.484768] Memory state around the buggy address: [ 24.484771] ffff8801c85d5d80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 24.484774] ffff8801c85d5e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 24.484777] >ffff8801c85d5e80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc [ 24.484779] ^ [ 24.484782] ffff8801c85d5f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.484785] ffff8801c85d5f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.484787] ================================================================== [ 24.484788] Disabling lock debugging due to kernel taint [ 24.484809] Kernel panic - not syncing: panic_on_warn set ... [ 24.484809] [ 24.484813] CPU: 0 PID: 3152 Comm: syzkaller563069 Tainted: G B 4.15.0-rc4-mm1+ #49 [ 24.484815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.484816] Call Trace: [ 24.484818] [ 24.484822] dump_stack+0x194/0x257 [ 24.484827] ? arch_local_irq_restore+0x53/0x53 [ 24.484831] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 24.484836] ? vsnprintf+0x1ed/0x1900 [ 24.484841] ? tcp_v6_syn_recv_sock+0x1500/0x2330 [ 24.484845] panic+0x1e4/0x41c [ 24.484850] ? refcount_error_report+0x214/0x214 [ 24.484855] ? add_taint+0x1c/0x50 [ 24.484859] ? add_taint+0x1c/0x50 [ 24.484865] ? tcp_v6_syn_recv_sock+0x1567/0x2330 [ 24.484869] kasan_end_report+0x50/0x50 [ 24.484873] kasan_report+0x148/0x360 [ 24.484879] check_memory_region+0x137/0x190 [ 24.484883] memcpy+0x37/0x50 [ 24.484888] tcp_v6_syn_recv_sock+0x1567/0x2330 [ 24.484896] ? tcp_v6_conn_request+0x270/0x270 [ 24.484900] ? SYSC_sendto+0x361/0x5c0 [ 24.484903] ? SyS_sendto+0x40/0x50 [ 24.484910] ? xfrm_policy_lookup_bytype.constprop.48+0x960/0x960 [ 24.484918] ? find_held_lock+0x35/0x1d0 [ 24.484925] ? ip_route_output_key_hash+0x229/0x370 [ 24.484930] ? lock_downgrade+0x980/0x980 [ 24.484933] ? selinux_netlbl_inet_conn_request+0x81/0x3c0 [ 24.484938] ? lock_release+0xa40/0xa40 [ 24.484944] ? rcu_read_lock_sched_held+0x108/0x120 [ 24.484950] tcp_get_cookie_sock+0x102/0x540 [ 24.484955] ? cookie_ecn_ok+0x120/0x120 [ 24.484958] ? ip_route_output_key_hash+0x252/0x370 [ 24.484963] ? ip_route_output_key_hash_rcu+0x2c10/0x2c10 [ 24.484971] ? xfrm_lookup_route+0x4f/0x1a0 [ 24.484974] ? tcp_select_initial_window+0x30c/0x410 [ 24.484981] cookie_v4_check+0x1a87/0x2920 [ 24.484985] ? sk_filter_trim_cap+0x40a/0x9c0 [ 24.484994] ? cookie_v4_init_sequence+0xe0/0xe0 [ 24.484997] ? __lock_is_held+0xb6/0x140 [ 24.485010] ? sk_filter_trim_cap+0xe7/0x9c0 [ 24.485022] ? tcp_v4_reqsk_send_ack+0x3e0/0x3e0 [ 24.485028] tcp_v4_do_rcv+0x6e9/0x7d0 [ 24.485033] tcp_v4_rcv+0x26c6/0x2e10 [ 24.485038] ? lockdep_free_key_range+0x2ca/0x580 [ 24.485050] ? tcp_v4_early_demux+0xa30/0xa30 [ 24.485058] ip_local_deliver_finish+0x2e2/0xba0 [ 24.485064] ? inet_del_offload+0x40/0x40 [ 24.485069] ? nf_hook_slow+0xd3/0x1a0 [ 24.485076] ip_local_deliver+0x1ce/0x6e0 [ 24.485080] ? ip_call_ra_chain+0x6d0/0x6d0 [ 24.485085] ? ipt_do_table+0xd62/0x13a0 [ 24.485089] ? check_noncircular+0x20/0x20 [ 24.485092] ? __local_bh_enable_ip+0x121/0x230 [ 24.485097] ? inet_del_offload+0x40/0x40 [ 24.485104] ip_rcv_finish+0x881/0x19a0 [ 24.485111] ? ip_local_deliver_finish+0xba0/0xba0 [ 24.485118] ? ip_rcv+0xf07/0x1820 [ 24.485122] ? lock_downgrade+0x980/0x980 [ 24.485128] ? nf_nat_ipv4_in+0x1cd/0x270 [ 24.485132] ? iptable_nat_ipv4_fn+0x40/0x40 [ 24.485140] ? nf_hook_slow+0xd3/0x1a0 [ 24.485146] ip_rcv+0xc3f/0x1820 [ 24.485152] ? ip_local_deliver+0x6e0/0x6e0 [ 24.485158] ? mark_lock+0xb2c/0x1430 [ 24.485161] ? check_usage_backwards+0x410/0x410 [ 24.485169] ? ip_local_deliver_finish+0xba0/0xba0 [ 24.485174] ? ip_local_deliver+0x6e0/0x6e0 [ 24.485179] __netif_receive_skb_core+0x1a3e/0x3450 [ 24.485187] ? nf_ingress+0x9f0/0x9f0 [ 24.485198] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 24.485201] ? rcu_read_lock_sched_held+0x108/0x120 [ 24.485206] ? update_cfs_rq_load_avg.part.68+0x23d/0x2d0 [ 24.485209] ? attach_entity_load_avg+0x7a0/0x7a0 [ 24.485214] ? __update_load_avg_se.isra.27+0x56a/0x7c0 [ 24.485217] ? __update_load_avg_se.isra.27+0x56a/0x7c0 [ 24.485224] ? __lock_acquire+0x664/0x3e00 [ 24.485228] ? __lock_acquire+0x664/0x3e00 [ 24.485234] ? fastpath_timer_check+0x7d5/0xa70 [ 24.485243] ? check_noncircular+0x20/0x20 [ 24.485247] ? check_noncircular+0x20/0x20 [ 24.485256] ? find_held_lock+0x35/0x1d0 [ 24.485263] ? find_held_lock+0x35/0x1d0 [ 24.485270] ? lock_acquire+0x1d5/0x580 [ 24.485273] ? process_backlog+0x45f/0x740 [ 24.485276] ? lock_acquire+0x1d5/0x580 [ 24.485279] ? process_backlog+0x1ab/0x740 [ 24.485290] ? lock_release+0xa40/0xa40 [ 24.485298] __netif_receive_skb+0x2c/0x1b0 [ 24.485302] ? __netif_receive_skb+0x2c/0x1b0 [ 24.485306] process_backlog+0x203/0x740 [ 24.485310] ? mark_held_locks+0xaf/0x100 [ 24.485318] net_rx_action+0x792/0x1910 [ 24.485328] ? napi_complete_done+0x6c0/0x6c0 [ 24.485332] ? trace_hardirqs_on_caller+0x19e/0x5c0 [ 24.485337] ? trace_hardirqs_on+0xd/0x10 [ 24.485340] ? _raw_spin_unlock_irq+0x27/0x70 [ 24.485344] ? __run_timers+0x16f/0xb70 [ 24.485347] ? _raw_spin_unlock_irqrestore+0xa6/0xba [ 24.485356] ? trigger_dyntick_cpu.isra.29+0x180/0x180 [ 24.485359] ? check_noncircular+0x20/0x20 [ 24.485364] ? timerqueue_add+0x1e9/0x280 [ 24.485371] ? enqueue_hrtimer+0x171/0x4a0 [ 24.485375] ? __remove_hrtimer+0x190/0x190 [ 24.485382] ? find_held_lock+0x35/0x1d0 [ 24.485390] ? clockevents_program_event+0x163/0x2e0 [ 24.485394] ? lock_downgrade+0x980/0x980 [ 24.485403] ? rcu_pm_notify+0xc0/0xc0 [ 24.485411] ? check_noncircular+0x20/0x20 [ 24.485416] ? print_irqtrace_events+0x270/0x270 [ 24.485421] ? lock_downgrade+0x980/0x980 [ 24.485427] ? __irqentry_text_end+0x1f8db4/0x1f8db4 [ 24.485431] ? do_timer+0x50/0x50 [ 24.485438] ? __lock_is_held+0xb6/0x140 [ 24.485448] __do_softirq+0x2d7/0xb85 [ 24.485451] ? task_prio+0x40/0x40 [ 24.485460] ? __irqentry_text_end+0x1f8db4/0x1f8db4 [ 24.485463] ? irq_exit+0xbb/0x200 [ 24.485467] ? smp_apic_timer_interrupt+0x16b/0x700 [ 24.485472] ? smp_call_function_single_interrupt+0x640/0x640 [ 24.485476] ? _raw_spin_lock+0x32/0x40 [ 24.485481] ? _raw_spin_unlock+0x22/0x30 [ 24.485485] ? handle_edge_irq+0x2b4/0x7c0 [ 24.485489] ? task_prio+0x40/0x40 [ 24.485497] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 24.485504] do_softirq_own_stack+0x2a/0x40 [ 24.485505] [ 24.485509] do_softirq.part.21+0x14d/0x190 [ 24.485513] ? ip_finish_output2+0x874/0x1460 [ 24.485517] __local_bh_enable_ip+0x1ee/0x230 [ 24.485521] ip_finish_output2+0x8a7/0x1460 [ 24.485525] ? __local_bh_enable_ip+0x121/0x230 [ 24.485531] ? dst_output+0x140/0x140 [ 24.485534] ? check_noncircular+0x20/0x20 [ 24.485540] ? ipt_do_table+0xdcd/0x13a0 [ 24.485543] ? __local_bh_enable_ip+0x121/0x230 [ 24.485552] ? ipv4_mtu+0x28c/0x3d0 [ 24.485556] ? rt_cpu_seq_show+0x2c0/0x2c0 [ 24.485561] ? __lock_is_held+0xb6/0x140 [ 24.485570] ip_finish_output+0x85e/0xd10 [ 24.485573] ? ip_finish_output+0x85e/0xd10 [ 24.485578] ? ip_fragment.constprop.49+0x200/0x200 [ 24.485582] ? iptable_mangle_hook+0xa9/0x550 [ 24.485590] ? nf_hook_slow+0xd3/0x1a0 [ 24.485596] ip_output+0x1cc/0x860 [ 24.485601] ? ip_mc_output+0x1340/0x1340 [ 24.485610] ? ip_fragment.constprop.49+0x200/0x200 [ 24.485617] ip_local_out+0x95/0x160 [ 24.485623] ip_queue_xmit+0x8c0/0x18e0 [ 24.485626] ? tcp_rcv_state_process+0x3d0f/0x4830 [ 24.485633] ? ip_build_and_send_pkt+0xc30/0xc30 [ 24.485637] ? refcount_dec_if_one+0x20/0x20 [ 24.485643] ? __tcp_v4_send_check+0x1b8/0x350 [ 24.485646] ? tcp_options_write+0x228/0x940 [ 24.485652] tcp_transmit_skb+0x1b12/0x38b0 [ 24.485663] ? __tcp_select_window+0x900/0x900 [ 24.485667] ? kasan_kmalloc+0xad/0xe0 [ 24.485673] ? __kmalloc_node_track_caller+0x47/0x70 [ 24.485679] ? memset+0x31/0x40 [ 24.485683] ? __alloc_skb+0x57e/0x780 [ 24.485689] ? skb_copy_and_csum_dev+0x360/0x360 [ 24.485694] ? __lock_is_held+0xb6/0x140 [ 24.485703] ? sock_def_wakeup+0x225/0x350 [ 24.485712] tcp_send_ack.part.41+0x389/0x610 [ 24.485717] tcp_send_ack+0x49/0x60 [ 24.485721] tcp_rcv_state_process+0x3d0f/0x4830 [ 24.485729] ? tcp_finish_connect+0x410/0x410 [ 24.485735] ? __release_sock+0xca/0x360 [ 24.485740] ? lock_downgrade+0x980/0x980 [ 24.485749] ? __local_bh_enable_ip+0x121/0x230 [ 24.485755] tcp_v4_do_rcv+0x55c/0x7d0 [ 24.485759] ? tcp_v4_do_rcv+0x55c/0x7d0 [ 24.485764] __release_sock+0x124/0x360 [ 24.485772] release_sock+0xa4/0x2a0 [ 24.485776] ? __release_sock+0x360/0x360 [ 24.485779] ? lock_sock_nested+0x91/0x110 [ 24.485783] ? trace_hardirqs_on+0xd/0x10 [ 24.485787] ? __local_bh_enable_ip+0x121/0x230 [ 24.485794] tcp_sendmsg+0x3a/0x50 [ 24.485799] inet_sendmsg+0x11f/0x5e0 [ 24.485802] ? __might_sleep+0x95/0x190 [ 24.485807] ? inet_recvmsg+0x5f0/0x5f0 [ 24.485812] ? selinux_socket_sendmsg+0x36/0x40 [ 24.485816] ? security_socket_sendmsg+0x89/0xb0 [ 24.485820] ? inet_recvmsg+0x5f0/0x5f0 [ 24.485825] sock_sendmsg+0xca/0x110 [ 24.485830] SYSC_sendto+0x361/0x5c0 [ 24.485836] ? SYSC_connect+0x4a0/0x4a0 [ 24.485841] ? selinux_secmark_relabel_packet+0xc0/0xc0 [ 24.485845] ? __do_page_fault+0x3d6/0xc90 [ 24.485850] ? selinux_netlbl_sock_rcv_skb+0x730/0x730 [ 24.485863] ? sock_common_setsockopt+0x95/0xd0 [ 24.485869] ? SyS_setsockopt+0x215/0x360 [ 24.485875] ? SyS_recv+0x40/0x40 [ 24.485879] ? entry_SYSCALL_64_fastpath+0x5/0x96 [ 24.485887] SyS_sendto+0x40/0x50 [ 24.485893] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 24.485895] RIP: 0033:0x43feb9 [ 24.485897] RSP: 002b:00007ffe9efaa3d8 EFLAGS: 00000217 ORIG_RAX: 000000000000002c [ 24.485901] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 000000000043feb9 [ 24.485903] RDX: 0000000000000000 RSI: 000000002087a000 RDI: 0000000000000003 [ 24.485906] RBP: 00000000006ca018 R08: 00000000200b0000 R09: 0000000000000010 [ 24.485908] R10: 0000000020008045 R11: 0000000000000217 R12: 0000000000401820 [ 24.485910] R13: 00000000004018b0 R14: 0000000000000000 R15: 0000000000000000 [ 24.504697] Dumping ftrace buffer: [ 24.504701] (ftrace buffer empty) [ 24.504703] Kernel Offset: disabled [ 26.583519] Rebooting in 86400 seconds..