Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 46.400620] kauditd_printk_skb: 4 callbacks suppressed [ 46.400632] audit: type=1400 audit(1546193900.946:35): avc: denied { map } for pid=8146 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 [ 46.425786] sshd (8144) used greatest stack depth: 15720 bytes left Warning: Permanently added '10.128.15.206' (ECDSA) to the list of known hosts. executing program [ 53.041649] audit: type=1400 audit(1546193907.596:36): avc: denied { map } for pid=8158 comm="syz-executor670" path="/root/syz-executor670340374" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 53.059223] IPVS: ftp: loaded support on port[0] = 21 executing program [ 53.104518] nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. [ 53.127787] ================================================================== [ 53.135340] BUG: KASAN: slab-out-of-bounds in tun_net_xmit+0x197e/0x1be0 [ 53.142160] Read of size 8 at addr ffff888095d5b2c8 by task syz-executor670/8161 [ 53.149788] [ 53.151403] CPU: 1 PID: 8161 Comm: syz-executor670 Not tainted 4.20.0+ #176 [ 53.158489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.167826] Call Trace: [ 53.170417] dump_stack+0x1d3/0x2c6 [ 53.174033] ? dump_stack_print_info.cold.1+0x20/0x20 [ 53.179205] ? printk+0xa7/0xcf [ 53.182471] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 53.187215] print_address_description.cold.5+0x9/0x1ff [ 53.192562] ? tun_net_xmit+0x197e/0x1be0 [ 53.196692] kasan_report.cold.6+0x1b/0x39 [ 53.200916] ? tun_net_xmit+0x197e/0x1be0 [ 53.205054] ? tun_net_xmit+0x197e/0x1be0 [ 53.209200] __asan_report_load8_noabort+0x14/0x20 [ 53.214117] tun_net_xmit+0x197e/0x1be0 [ 53.218082] ? print_usage_bug+0xc0/0xc0 [ 53.222130] ? tun_xdp_act.isra.49+0xa00/0xa00 [ 53.226695] ? print_usage_bug+0xc0/0xc0 [ 53.230740] ? graph_lock+0x270/0x270 [ 53.234526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.240044] ? check_preemption_disabled+0x48/0x280 [ 53.245048] ? __lock_is_held+0xb5/0x140 [ 53.249097] dev_hard_start_xmit+0x286/0xc80 [ 53.253495] ? dev_direct_xmit+0x6a0/0x6a0 [ 53.257718] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 53.263241] ? validate_xmit_xfrm+0x41c/0xef0 [ 53.267720] ? lock_downgrade+0x900/0x900 [ 53.271872] ? validate_xmit_skb+0x849/0xf70 [ 53.276277] ? mark_held_locks+0x130/0x130 [ 53.280523] ? netif_skb_features+0xb50/0xb50 [ 53.285005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.290523] ? check_preemption_disabled+0x48/0x280 [ 53.295521] ? validate_xmit_skb_list+0xf4/0x140 [ 53.300262] sch_direct_xmit+0x48b/0x1130 [ 53.304396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.309915] ? check_preemption_disabled+0x48/0x280 [ 53.314914] ? dev_watchdog+0xb10/0xb10 [ 53.318878] ? __lock_is_held+0xb5/0x140 [ 53.322932] __qdisc_run+0x624/0x19f0 [ 53.326720] ? sch_direct_xmit+0x1130/0x1130 [ 53.331112] ? lock_acquire+0x1ed/0x520 [ 53.335171] ? dev_queue_xmit+0x17/0x20 [ 53.339130] ? lock_release+0xa00/0xa00 [ 53.343091] ? mini_qdisc_pair_init+0x160/0x160 [ 53.347745] __dev_queue_xmit+0x190c/0x3ac0 [ 53.352050] ? dev_queue_xmit+0x17/0x20 [ 53.356014] ? netdev_pick_tx+0x300/0x300 [ 53.360147] ? __lock_acquire+0x62f/0x4c20 [ 53.364366] ? check_preemption_disabled+0x48/0x280 [ 53.369393] ? mark_held_locks+0x130/0x130 [ 53.373614] ? nf_ct_deliver_cached_events+0x264/0x7d0 [ 53.378871] ? check_preemption_disabled+0x48/0x280 [ 53.383871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.389490] ? check_preemption_disabled+0x48/0x280 [ 53.394495] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 53.400029] ? rcu_pm_notify+0xc0/0xc0 [ 53.403905] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 53.409432] ? graph_lock+0x270/0x270 [ 53.413216] ? netif_rx+0x7f0/0x7f0 [ 53.416820] ? skb_clone+0x1b5/0x4f0 [ 53.420519] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 53.426040] ? find_held_lock+0x36/0x1c0 [ 53.430218] ? ip6_finish_output+0x583/0xc50 [ 53.434610] ? ip6_finish_output2+0x14f0/0x2930 [ 53.439279] ? ip6_finish_output2+0x14f0/0x2930 [ 53.443935] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 53.448501] ? trace_hardirqs_on+0xbd/0x310 [ 53.452809] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 53.458417] dev_queue_xmit+0x17/0x20 [ 53.462310] ? dev_queue_xmit+0x17/0x20 [ 53.466268] ip6_finish_output2+0x144e/0x2930 [ 53.470758] ? ip6_forward_finish+0x580/0x580 [ 53.475247] ? netif_rx_ni+0x870/0x870 [ 53.479127] ? lock_downgrade+0x900/0x900 [ 53.483269] ? check_preemption_disabled+0x48/0x280 [ 53.488273] ? kasan_check_read+0x11/0x20 [ 53.492423] ? rcu_read_unlock_special+0x370/0x370 [ 53.497344] ? ip6_mtu+0x160/0x520 [ 53.500884] ? find_match+0x10a0/0x10a0 [ 53.504844] ? kasan_check_read+0x11/0x20 [ 53.508989] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 53.514273] ip6_finish_output+0x583/0xc50 [ 53.518490] ? ip6_finish_output+0x583/0xc50 [ 53.522881] ip6_output+0x232/0x9d0 [ 53.526499] ? ip6_finish_output+0xc50/0xc50 [ 53.530892] ? ip6_fragment+0x3850/0x3850 [ 53.535044] ? ip_reply_glue_bits+0xc0/0xc0 [ 53.539388] ip6_local_out+0xc5/0x1b0 [ 53.543174] ip6_send_skb+0xbc/0x340 [ 53.546873] udp_v6_send_skb.isra.32+0x831/0x14a0 [ 53.551703] udpv6_sendmsg+0x2d86/0x36a0 [ 53.555782] ? ip_reply_glue_bits+0xc0/0xc0 [ 53.560113] ? udp6_unicast_rcv_skb.isra.30+0x2f0/0x2f0 [ 53.565553] ? find_held_lock+0x36/0x1c0 [ 53.569616] ? __local_bh_enable_ip+0x160/0x260 [ 53.574290] ? __local_bh_enable_ip+0x160/0x260 [ 53.578940] ? lockdep_hardirqs_on+0x421/0x5c0 [ 53.583602] ? trace_hardirqs_on+0xbd/0x310 [ 53.587905] ? _raw_spin_unlock_bh+0x30/0x40 [ 53.592298] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 53.597840] ? release_sock+0x1ec/0x2c0 [ 53.601903] ? __local_bh_enable_ip+0x160/0x260 [ 53.606560] ? udp_v6_get_port+0x273/0x660 [ 53.610790] inet_sendmsg+0x1a1/0x690 [ 53.614571] ? udp6_unicast_rcv_skb.isra.30+0x2f0/0x2f0 [ 53.619922] ? inet_sendmsg+0x1a1/0x690 [ 53.623879] ? ipip_gro_receive+0x100/0x100 [ 53.628192] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.633714] ? security_socket_sendmsg+0x94/0xc0 [ 53.638451] ? ipip_gro_receive+0x100/0x100 [ 53.642760] sock_sendmsg+0xd5/0x120 [ 53.646468] __sys_sendto+0x3d7/0x670 [ 53.650253] ? __ia32_sys_getpeername+0xb0/0xb0 [ 53.654910] ? lock_downgrade+0x900/0x900 [ 53.659044] ? kasan_check_read+0x11/0x20 [ 53.663191] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 53.668559] ? rcu_read_unlock_special+0x370/0x370 [ 53.673468] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 53.678997] ? check_preemption_disabled+0x48/0x280 [ 53.683996] ? kasan_check_write+0x14/0x20 [ 53.688216] ? up_read+0x225/0x2c0 [ 53.691745] ? do_syscall_64+0x9a/0x820 [ 53.695734] ? do_syscall_64+0x9a/0x820 [ 53.699685] ? lockdep_hardirqs_on+0x421/0x5c0 [ 53.704345] ? trace_hardirqs_on+0xbd/0x310 [ 53.708659] ? move_addr_to_kernel+0x70/0x70 [ 53.713049] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 53.718391] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 53.723826] __x64_sys_sendto+0xe1/0x1a0 [ 53.727871] do_syscall_64+0x1b9/0x820 [ 53.731740] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 53.737115] ? syscall_return_slowpath+0x5e0/0x5e0 [ 53.742025] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.746845] ? trace_hardirqs_on_caller+0x310/0x310 [ 53.751844] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 53.756841] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.762366] ? prepare_exit_to_usermode+0x291/0x3b0 [ 53.767368] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.772208] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 53.777382] RIP: 0033:0x441ba9 [ 53.780729] Code: e8 4c 06 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 53.799631] RSP: 002b:00007fff60c5ab98 EFLAGS: 00000212 ORIG_RAX: 000000000000002c [ 53.807331] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441ba9 [ 53.814579] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 53.821829] RBP: 000000000000cf5b R08: 00000000200001c0 R09: 000000000000001c [ 53.829077] R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000000 [ 53.836325] R13: 0000000000402990 R14: 0000000000000000 R15: 0000000000000000 [ 53.843584] [ 53.845189] Allocated by task 8160: [ 53.848816] save_stack+0x43/0xd0 [ 53.852264] kasan_kmalloc+0xcb/0xd0 [ 53.855957] __kmalloc_node+0x4d/0x70 [ 53.859737] kvmalloc_node+0x65/0xf0 [ 53.863441] tun_device_event+0x56a/0x106c [ 53.867657] notifier_call_chain+0x17e/0x380 [ 53.872133] raw_notifier_call_chain+0x2d/0x40 [ 53.876696] call_netdevice_notifiers_info+0x3f/0x90 [ 53.881780] dev_change_tx_queue_len+0x188/0x270 [ 53.886524] dev_ifsioc+0x79b/0xa80 [ 53.890129] dev_ioctl+0x1b5/0xcc0 [ 53.893650] sock_do_ioctl+0x1f6/0x420 [ 53.897515] sock_ioctl+0x313/0x690 [ 53.901122] do_vfs_ioctl+0x1de/0x1790 [ 53.904989] ksys_ioctl+0xa9/0xd0 [ 53.908423] __x64_sys_ioctl+0x73/0xb0 [ 53.912285] do_syscall_64+0x1b9/0x820 [ 53.916167] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 53.921338] [ 53.922952] Freed by task 0: [ 53.925951] save_stack+0x43/0xd0 [ 53.929394] __kasan_slab_free+0x102/0x150 [ 53.933610] kasan_slab_free+0xe/0x10 [ 53.937385] kfree+0xcf/0x230 [ 53.940472] selinux_cred_free+0x51/0x80 [ 53.944519] security_cred_free+0x4a/0x80 [ 53.948673] put_cred_rcu+0x265/0x780 [ 53.952468] rcu_process_callbacks+0xc5b/0x1600 [ 53.957117] __do_softirq+0x30c/0xb2e [ 53.960893] [ 53.962501] The buggy address belongs to the object at ffff888095d5b2c0 [ 53.962501] which belongs to the cache kmalloc-32 of size 32 [ 53.974978] The buggy address is located 8 bytes inside of [ 53.974978] 32-byte region [ffff888095d5b2c0, ffff888095d5b2e0) [ 53.986563] The buggy address belongs to the page: [ 53.991473] page:ffffea00025756c0 count:1 mapcount:0 mapping:ffff88812c3f01c0 index:0xffff888095d5bfc1 [ 54.000908] flags: 0x1fffc0000000200(slab) [ 54.005125] raw: 01fffc0000000200 ffffea000259a208 ffffea000259ad48 ffff88812c3f01c0 [ 54.012986] raw: ffff888095d5bfc1 ffff888095d5b000 0000000100000039 0000000000000000 [ 54.020845] page dumped because: kasan: bad access detected [ 54.026530] [ 54.028132] Memory state around the buggy address: [ 54.033038] ffff888095d5b180: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc [ 54.040383] ffff888095d5b200: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc [ 54.047717] >ffff888095d5b280: 00 00 03 fc fc fc fc fc 00 fc fc fc fc fc fc fc [ 54.055060] ^ [ 54.060758] ffff888095d5b300: 00 00 01 fc fc fc fc fc fb fb fb fb fc fc fc fc [ 54.068118] ffff888095d5b380: fb fb fb fb fc fc fc fc 00 00 01 fc fc fc fc fc [ 54.075456] ================================================================== [ 54.082792] Disabling lock debugging due to kernel taint [ 54.088258] Kernel panic - not syncing: panic_on_warn set ... [ 54.094133] CPU: 1 PID: 8161 Comm: syz-executor670 Tainted: G B 4.20.0+ #176 [ 54.102598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.111931] Call Trace: [ 54.114505] dump_stack+0x1d3/0x2c6 [ 54.118114] ? dump_stack_print_info.cold.1+0x20/0x20 [ 54.123289] ? tun_net_xmit+0x1930/0x1be0 [ 54.127530] panic+0x2ad/0x55f [ 54.130721] ? add_taint.cold.5+0x16/0x16 [ 54.134866] ? trace_hardirqs_on+0x9a/0x310 [ 54.139163] ? trace_hardirqs_on+0xb4/0x310 [ 54.143468] ? trace_hardirqs_on+0xb4/0x310 [ 54.147771] ? tun_net_xmit+0x197e/0x1be0 [ 54.151897] end_report+0x47/0x4f [ 54.155328] kasan_report.cold.6+0xe/0x39 [ 54.159453] ? tun_net_xmit+0x197e/0x1be0 [ 54.163596] ? tun_net_xmit+0x197e/0x1be0 [ 54.167734] __asan_report_load8_noabort+0x14/0x20 [ 54.172643] tun_net_xmit+0x197e/0x1be0 [ 54.176596] ? print_usage_bug+0xc0/0xc0 [ 54.180641] ? tun_xdp_act.isra.49+0xa00/0xa00 [ 54.185201] ? print_usage_bug+0xc0/0xc0 [ 54.189247] ? graph_lock+0x270/0x270 [ 54.193052] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.198568] ? check_preemption_disabled+0x48/0x280 [ 54.203579] ? __lock_is_held+0xb5/0x140 [ 54.207627] dev_hard_start_xmit+0x286/0xc80 [ 54.212027] ? dev_direct_xmit+0x6a0/0x6a0 [ 54.216247] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 54.221772] ? validate_xmit_xfrm+0x41c/0xef0 [ 54.226258] ? lock_downgrade+0x900/0x900 [ 54.230409] ? validate_xmit_skb+0x849/0xf70 [ 54.234809] ? mark_held_locks+0x130/0x130 [ 54.239040] ? netif_skb_features+0xb50/0xb50 [ 54.243521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.249039] ? check_preemption_disabled+0x48/0x280 [ 54.254140] ? validate_xmit_skb_list+0xf4/0x140 [ 54.258873] sch_direct_xmit+0x48b/0x1130 [ 54.263089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.268603] ? check_preemption_disabled+0x48/0x280 [ 54.273614] ? dev_watchdog+0xb10/0xb10 [ 54.277570] ? __lock_is_held+0xb5/0x140 [ 54.281645] __qdisc_run+0x624/0x19f0 [ 54.285429] ? sch_direct_xmit+0x1130/0x1130 [ 54.289910] ? lock_acquire+0x1ed/0x520 [ 54.293886] ? dev_queue_xmit+0x17/0x20 [ 54.297858] ? lock_release+0xa00/0xa00 [ 54.301812] ? mini_qdisc_pair_init+0x160/0x160 [ 54.306463] __dev_queue_xmit+0x190c/0x3ac0 [ 54.310765] ? dev_queue_xmit+0x17/0x20 [ 54.314730] ? netdev_pick_tx+0x300/0x300 [ 54.318855] ? __lock_acquire+0x62f/0x4c20 [ 54.323073] ? check_preemption_disabled+0x48/0x280 [ 54.328094] ? mark_held_locks+0x130/0x130 [ 54.332316] ? nf_ct_deliver_cached_events+0x264/0x7d0 [ 54.337572] ? check_preemption_disabled+0x48/0x280 [ 54.342569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.348103] ? check_preemption_disabled+0x48/0x280 [ 54.353104] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 54.358618] ? rcu_pm_notify+0xc0/0xc0 [ 54.362486] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 54.367997] ? graph_lock+0x270/0x270 [ 54.371780] ? netif_rx+0x7f0/0x7f0 [ 54.375387] ? skb_clone+0x1b5/0x4f0 [ 54.379082] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 54.384619] ? find_held_lock+0x36/0x1c0 [ 54.388662] ? ip6_finish_output+0x583/0xc50 [ 54.393146] ? ip6_finish_output2+0x14f0/0x2930 [ 54.397795] ? ip6_finish_output2+0x14f0/0x2930 [ 54.402446] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 54.407040] ? trace_hardirqs_on+0xbd/0x310 [ 54.411349] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 54.416780] dev_queue_xmit+0x17/0x20 [ 54.420558] ? dev_queue_xmit+0x17/0x20 [ 54.424512] ip6_finish_output2+0x144e/0x2930 [ 54.429010] ? ip6_forward_finish+0x580/0x580 [ 54.433501] ? netif_rx_ni+0x870/0x870 [ 54.437366] ? lock_downgrade+0x900/0x900 [ 54.441493] ? check_preemption_disabled+0x48/0x280 [ 54.446486] ? kasan_check_read+0x11/0x20 [ 54.450628] ? rcu_read_unlock_special+0x370/0x370 [ 54.455538] ? ip6_mtu+0x160/0x520 [ 54.459059] ? find_match+0x10a0/0x10a0 [ 54.463014] ? kasan_check_read+0x11/0x20 [ 54.467140] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 54.472400] ip6_finish_output+0x583/0xc50 [ 54.476614] ? ip6_finish_output+0x583/0xc50 [ 54.481002] ip6_output+0x232/0x9d0 [ 54.484610] ? ip6_finish_output+0xc50/0xc50 [ 54.489001] ? ip6_fragment+0x3850/0x3850 [ 54.493130] ? ip_reply_glue_bits+0xc0/0xc0 [ 54.497431] ip6_local_out+0xc5/0x1b0 [ 54.501234] ip6_send_skb+0xbc/0x340 [ 54.504927] udp_v6_send_skb.isra.32+0x831/0x14a0 [ 54.509747] udpv6_sendmsg+0x2d86/0x36a0 [ 54.513803] ? ip_reply_glue_bits+0xc0/0xc0 [ 54.518108] ? udp6_unicast_rcv_skb.isra.30+0x2f0/0x2f0 [ 54.523460] ? find_held_lock+0x36/0x1c0 [ 54.527520] ? __local_bh_enable_ip+0x160/0x260 [ 54.532169] ? __local_bh_enable_ip+0x160/0x260 [ 54.536818] ? lockdep_hardirqs_on+0x421/0x5c0 [ 54.541392] ? trace_hardirqs_on+0xbd/0x310 [ 54.545708] ? _raw_spin_unlock_bh+0x30/0x40 [ 54.550096] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 54.555525] ? release_sock+0x1ec/0x2c0 [ 54.559482] ? __local_bh_enable_ip+0x160/0x260 [ 54.564130] ? udp_v6_get_port+0x273/0x660 [ 54.568343] inet_sendmsg+0x1a1/0x690 [ 54.572121] ? udp6_unicast_rcv_skb.isra.30+0x2f0/0x2f0 [ 54.577457] ? inet_sendmsg+0x1a1/0x690 [ 54.581406] ? ipip_gro_receive+0x100/0x100 [ 54.585728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.591283] ? security_socket_sendmsg+0x94/0xc0 [ 54.596037] ? ipip_gro_receive+0x100/0x100 [ 54.600343] sock_sendmsg+0xd5/0x120 [ 54.604039] __sys_sendto+0x3d7/0x670 [ 54.607821] ? __ia32_sys_getpeername+0xb0/0xb0 [ 54.612474] ? lock_downgrade+0x900/0x900 [ 54.616605] ? kasan_check_read+0x11/0x20 [ 54.620736] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 54.625993] ? rcu_read_unlock_special+0x370/0x370 [ 54.630900] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 54.636413] ? check_preemption_disabled+0x48/0x280 [ 54.641412] ? kasan_check_write+0x14/0x20 [ 54.645947] ? up_read+0x225/0x2c0 [ 54.649489] ? do_syscall_64+0x9a/0x820 [ 54.653448] ? do_syscall_64+0x9a/0x820 [ 54.657400] ? lockdep_hardirqs_on+0x421/0x5c0 [ 54.661979] ? trace_hardirqs_on+0xbd/0x310 [ 54.666282] ? move_addr_to_kernel+0x70/0x70 [ 54.670674] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 54.676024] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 54.681452] __x64_sys_sendto+0xe1/0x1a0 [ 54.685620] do_syscall_64+0x1b9/0x820 [ 54.689490] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 54.694837] ? syscall_return_slowpath+0x5e0/0x5e0 [ 54.699771] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.704601] ? trace_hardirqs_on_caller+0x310/0x310 [ 54.709594] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 54.714588] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.720101] ? prepare_exit_to_usermode+0x291/0x3b0 [ 54.725097] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.730033] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 54.735218] RIP: 0033:0x441ba9 [ 54.738389] Code: e8 4c 06 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 54.757455] RSP: 002b:00007fff60c5ab98 EFLAGS: 00000212 ORIG_RAX: 000000000000002c [ 54.765147] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441ba9 [ 54.772483] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 54.779751] RBP: 000000000000cf5b R08: 00000000200001c0 R09: 000000000000001c [ 54.786997] R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000000 [ 54.794244] R13: 0000000000402990 R14: 0000000000000000 R15: 0000000000000000 [ 54.802606] Kernel Offset: disabled [ 54.806225] Rebooting in 86400 seconds..