[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 29.767759] kauditd_printk_skb: 7 callbacks suppressed [ 29.767771] audit: type=1800 audit(1544824490.985:29): pid=5928 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 29.801928] audit: type=1800 audit(1544824490.995:30): pid=5928 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.37' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 40.283812] hrtimer: interrupt took 30112 ns executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.985573] ================================================================== [ 41.993126] BUG: KASAN: use-after-free in ccid_hc_tx_delete+0xe0/0x100 [ 41.999800] Read of size 8 at addr ffff8881bdce7980 by task syz-executor384/6286 [ 42.007331] [ 42.008969] CPU: 1 PID: 6286 Comm: syz-executor384 Not tainted 4.20.0-rc6+ #276 [ 42.016429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.025783] Call Trace: [ 42.028367] [ 42.030546] dump_stack+0x244/0x39d [ 42.034279] ? dump_stack_print_info.cold.1+0x20/0x20 [ 42.039475] ? printk+0xa7/0xcf [ 42.042764] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 42.047542] print_address_description.cold.7+0x9/0x1ff [ 42.052919] kasan_report.cold.8+0x242/0x309 [ 42.057337] ? ccid_hc_tx_delete+0xe0/0x100 [ 42.061687] __asan_report_load8_noabort+0x14/0x20 [ 42.066640] ccid_hc_tx_delete+0xe0/0x100 [ 42.070811] dccp_hdlr_ccid+0x7d/0x150 [ 42.074707] __dccp_feat_activate+0x188/0x280 [ 42.079213] ? __dccp_feat_activate+0x280/0x280 [ 42.083895] dccp_feat_activate_values+0x3c1/0x80a [ 42.088843] ? dccp_feat_init+0x550/0x550 [ 42.093006] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 42.098571] ? xfrm_lookup_route+0x74/0x1f0 [ 42.102944] ? inet6_csk_route_req+0x5a8/0x820 [ 42.107544] dccp_create_openreq_child+0x47a/0x630 [ 42.112487] ? dccp_create_openreq_child+0x47a/0x630 [ 42.117609] ? mark_held_locks+0x130/0x130 [ 42.121856] ? dccp_sample_rtt.cold.12+0x52/0x52 [ 42.126628] ? dccp_feat_reconcile+0x303/0x370 [ 42.131356] dccp_v6_request_recv_sock+0x278/0x2020 [ 42.136396] ? dccp_v6_do_rcv+0xbf0/0xbf0 [ 42.140561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 42.146127] ? refcount_inc_not_zero_checked+0x1e5/0x2f0 [ 42.151603] ? refcount_add_not_zero_checked+0x330/0x330 [ 42.157068] ? lock_acquire+0x1ed/0x520 [ 42.161053] ? dccp_check_req+0x95/0x6d0 [ 42.165155] dccp_check_req+0x47d/0x6d0 [ 42.169149] ? dccp_create_openreq_child+0x630/0x630 [ 42.174265] ? dccp_invalid_packet+0x64/0x880 [ 42.178771] dccp_v6_rcv+0x874/0x1ce9 [ 42.182594] ? dccp_v6_err+0x1760/0x1760 [ 42.186697] ? __lock_is_held+0xb5/0x140 [ 42.190771] ip6_input_finish+0x3fc/0x1aa0 [ 42.195019] ? ip6_rcv_core.isra.17+0x1e10/0x1e10 [ 42.199869] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 42.204886] ? nf_hook_slow+0x11e/0x1c0 [ 42.208865] ip6_input+0xe9/0x600 [ 42.212323] ? ip6_input_finish+0x1aa0/0x1aa0 [ 42.216825] ? ip6_rcv_core.isra.17+0x1e10/0x1e10 [ 42.221669] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 42.226604] ? kasan_check_read+0x11/0x20 [ 42.230759] ? rcu_softirq_qs+0x20/0x20 [ 42.234738] ip6_rcv_finish+0x17a/0x330 [ 42.238719] ipv6_rcv+0x115/0x640 [ 42.242173] ? ip6_input+0x600/0x600 [ 42.245892] ? ip6_rcv_finish_core.isra.14+0x720/0x720 [ 42.251194] ? lock_acquire+0x1ed/0x520 [ 42.255207] ? process_backlog+0x1dd/0x7a0 [ 42.259459] __netif_receive_skb_one_core+0x14d/0x200 [ 42.264654] ? __netif_receive_skb_core+0x3b30/0x3b30 [ 42.269846] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 42.275144] ? rcu_softirq_qs+0x20/0x20 [ 42.279176] ? trace_hardirqs_off_caller+0x310/0x310 [ 42.284321] __netif_receive_skb+0x2c/0x1e0 [ 42.288640] process_backlog+0x24e/0x7a0 [ 42.292716] net_rx_action+0x7fa/0x19b0 [ 42.296706] ? napi_complete_done+0x7c0/0x7c0 [ 42.301209] ? migrate_swap_stop+0x8a0/0x8a0 [ 42.305631] ? lock_downgrade+0x900/0x900 [ 42.309789] ? find_held_lock+0x36/0x1c0 [ 42.313862] ? zap_class+0x640/0x640 [ 42.317577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 42.323141] ? kasan_check_read+0x11/0x20 [ 42.327289] ? do_raw_spin_lock+0x14f/0x350 [ 42.331627] ? find_held_lock+0x36/0x1c0 [ 42.335697] ? clockevents_program_event+0x158/0x370 [ 42.340797] ? lock_downgrade+0x900/0x900 [ 42.344982] ? zap_class+0x640/0x640 [ 42.348706] ? print_usage_bug+0xc0/0xc0 [ 42.352768] ? trace_hardirqs_on+0x310/0x310 [ 42.357188] ? kvm_clock_read+0x18/0x30 [ 42.361179] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 42.366194] ? ktime_get+0x2c1/0x400 [ 42.369910] ? zap_class+0x640/0x640 [ 42.373627] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 42.379196] ? check_preemption_disabled+0x48/0x280 [ 42.384221] ? __lock_is_held+0xb5/0x140 [ 42.388296] __do_softirq+0x308/0xb7e [ 42.392113] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 42.397213] ? irq_exit+0xbd/0x1c0 [ 42.400774] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 42.405791] ? smp_reschedule_interrupt+0x109/0x650 [ 42.410806] ? smp_call_function_single_interrupt+0x650/0x650 [ 42.416692] ? ret_from_intr+0xb/0x1e [ 42.420496] ? trace_hardirqs_off_caller+0xbb/0x310 [ 42.425517] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 42.430364] ? trace_hardirqs_on_caller+0x310/0x310 [ 42.435379] ? task_prio+0x50/0x50 [ 42.438923] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 42.444465] ? check_preemption_disabled+0x48/0x280 [ 42.449485] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 42.454335] ? ip6_finish_output2+0xcbc/0x2940 [ 42.458918] do_softirq_own_stack+0x2a/0x40 [ 42.463247] [ 42.465485] do_softirq.part.14+0x126/0x160 [ 42.469807] __local_bh_enable_ip+0x21d/0x260 [ 42.474307] ip6_finish_output2+0xcef/0x2940 [ 42.478727] ? ip6_copy_metadata+0xe30/0xe30 [ 42.483144] ? ip6_mtu+0x39c/0x520 [ 42.486685] ? lock_downgrade+0x900/0x900 [ 42.490833] ? check_preemption_disabled+0x48/0x280 [ 42.495852] ? zap_class+0x640/0x640 [ 42.499564] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 42.504851] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 42.510400] ? __lock_is_held+0xb5/0x140 [ 42.514475] ip6_finish_output+0x58c/0xc60 [ 42.518705] ? ip6_finish_output+0x58c/0xc60 [ 42.523125] ip6_output+0x232/0x9d0 [ 42.526756] ? ip6_finish_output+0xc60/0xc60 [ 42.531169] ? ip6_fragment+0x38e0/0x38e0 [ 42.535316] ? __lock_is_held+0xb5/0x140 [ 42.539386] ip6_xmit+0xf1c/0x2510 [ 42.542927] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 42.548212] ? ip6_finish_output2+0x2940/0x2940 [ 42.552888] ? inet6_csk_route_socket+0x704/0x1020 [ 42.557830] ? ip6_append_data+0x2d0/0x2d0 [ 42.562078] ? lock_acquire+0x1ed/0x520 [ 42.566100] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 42.571651] ? check_preemption_disabled+0x48/0x280 [ 42.576689] inet6_csk_xmit+0x375/0x630 [ 42.580665] ? inet6_csk_update_pmtu+0x190/0x190 [ 42.585423] ? __skb_checksum+0x920/0x920 [ 42.589568] ? memset+0x31/0x40 [ 42.592852] ? skb_send_sock+0x50/0x50 [ 42.596735] ? reqsk_fastopen_remove+0x660/0x660 [ 42.601501] ? dccp_v6_send_check+0x2a8/0x3f0 [ 42.606016] dccp_transmit_skb+0x98c/0x12e0 [ 42.610374] dccp_send_ack+0x1d9/0x360 [ 42.614266] dccp_rcv_state_process+0x152e/0x1b7e [ 42.619116] ? dccp_sample_rtt+0xe0/0xe0 [ 42.623190] ? trace_hardirqs_on+0xbd/0x310 [ 42.627524] ? _raw_spin_unlock_bh+0x30/0x40 [ 42.631939] ? trace_hardirqs_off_caller+0x310/0x310 [ 42.637043] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 42.642598] dccp_v6_do_rcv+0x271/0xbf0 [ 42.646579] __release_sock+0x12f/0x3a0 [ 42.650572] release_sock+0xad/0x2c0 [ 42.654294] ? __release_sock+0x3a0/0x3a0 [ 42.658445] ? find_held_lock+0x36/0x1c0 [ 42.662512] __inet_stream_connect+0x641/0x1150 [ 42.667187] ? inet_dgram_connect+0x2e0/0x2e0 [ 42.671688] ? __init_waitqueue_head+0x150/0x150 [ 42.676447] ? trace_hardirqs_off_caller+0x310/0x310 [ 42.681551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 42.687093] ? check_preemption_disabled+0x48/0x280 [ 42.692118] ? lock_sock_nested+0x9a/0x120 [ 42.696354] ? lock_sock_nested+0x9a/0x120 [ 42.700597] ? __local_bh_enable_ip+0x160/0x260 [ 42.705277] inet_stream_connect+0x58/0xa0 [ 42.709519] __sys_connect+0x37d/0x4c0 [ 42.713411] ? __ia32_sys_accept+0xb0/0xb0 [ 42.717647] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 42.722231] ? retint_kernel+0x2d/0x2d [ 42.726149] ? trace_hardirqs_on_caller+0xc0/0x310 [ 42.731080] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 42.736538] ? zap_class+0x640/0x640 [ 42.740260] ? do_fast_syscall_32+0x150/0xfb2 [ 42.744758] ? do_fast_syscall_32+0x150/0xfb2 [ 42.749256] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 42.753840] ? trace_hardirqs_on+0xbd/0x310 [ 42.758163] ? entry_SYSENTER_compat+0x70/0x7f [ 42.762750] ? trace_hardirqs_off_caller+0x310/0x310 [ 42.767860] __ia32_sys_connect+0x72/0xb0 [ 42.772011] do_fast_syscall_32+0x34d/0xfb2 [ 42.776339] ? do_int80_syscall_32+0x890/0x890 [ 42.780926] ? entry_SYSENTER_compat+0x68/0x7f [ 42.785509] ? trace_hardirqs_off_caller+0xbb/0x310 [ 42.790525] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 42.795372] ? trace_hardirqs_on_caller+0x310/0x310 [ 42.800392] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 42.805413] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 42.812079] ? __switch_to_asm+0x40/0x70 [ 42.816145] ? __switch_to_asm+0x34/0x70 [ 42.820213] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 42.825069] entry_SYSENTER_compat+0x70/0x7f [ 42.829474] RIP: 0023:0xf7f22a29 [ 42.832846] Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 42.851749] RSP: 002b:00000000f7edc1fc EFLAGS: 00000293 ORIG_RAX: 000000000000016a [ 42.859454] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020419000 [ 42.866720] RDX: 000000000000001c RSI: 0000000000000000 RDI: 0000000000000000 [ 42.873987] RBP: 00000000003d0f00 R08: 0000000000000000 R09: 0000000000000000 [ 42.881254] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 42.888522] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 42.895805] [ 42.897427] Allocated by task 6269: [ 42.901085] save_stack+0x43/0xd0 [ 42.904540] kasan_kmalloc+0xc7/0xe0 [ 42.908246] kasan_slab_alloc+0x12/0x20 [ 42.912236] kmem_cache_alloc+0x12e/0x730 [ 42.916396] ccid_new+0x25b/0x3e0 [ 42.919844] dccp_hdlr_ccid+0x27/0x150 [ 42.923732] __dccp_feat_activate+0x188/0x280 [ 42.928252] dccp_feat_activate_values+0x3c1/0x80a [ 42.933206] dccp_rcv_state_process+0x1320/0x1b7e [ 42.938050] dccp_v6_do_rcv+0x271/0xbf0 [ 42.942025] __release_sock+0x12f/0x3a0 [ 42.946021] release_sock+0xad/0x2c0 [ 42.949745] __inet_stream_connect+0x641/0x1150 [ 42.954874] inet_stream_connect+0x58/0xa0 [ 42.959107] __sys_connect+0x37d/0x4c0 [ 42.963000] __ia32_sys_connect+0x72/0xb0 [ 42.967150] do_fast_syscall_32+0x34d/0xfb2 [ 42.971484] entry_SYSENTER_compat+0x70/0x7f [ 42.975883] [ 42.977502] Freed by task 6283: [ 42.980779] save_stack+0x43/0xd0 [ 42.984233] __kasan_slab_free+0x102/0x150 [ 42.988494] kasan_slab_free+0xe/0x10 [ 42.992377] kmem_cache_free+0x83/0x290 [ 42.996345] ccid_hc_tx_delete+0xc3/0x100 [ 43.000494] dccp_hdlr_ccid+0x7d/0x150 [ 43.004384] __dccp_feat_activate+0x188/0x280 [ 43.008875] dccp_feat_activate_values+0x3c1/0x80a [ 43.013801] dccp_create_openreq_child+0x47a/0x630 [ 43.018746] dccp_v6_request_recv_sock+0x278/0x2020 [ 43.023763] dccp_check_req+0x47d/0x6d0 [ 43.027738] dccp_v6_rcv+0x874/0x1ce9 [ 43.031534] ip6_input_finish+0x3fc/0x1aa0 [ 43.035764] ip6_input+0xe9/0x600 [ 43.039216] ip6_rcv_finish+0x17a/0x330 [ 43.043187] ipv6_rcv+0x115/0x640 [ 43.046634] __netif_receive_skb_one_core+0x14d/0x200 [ 43.051819] __netif_receive_skb+0x2c/0x1e0 [ 43.056135] process_backlog+0x24e/0x7a0 [ 43.060195] net_rx_action+0x7fa/0x19b0 [ 43.064182] __do_softirq+0x308/0xb7e [ 43.067969] [ 43.069617] The buggy address belongs to the object at ffff8881bdce7980 [ 43.069617] which belongs to the cache ccid2_hc_tx_sock of size 1240 [ 43.082799] The buggy address is located 0 bytes inside of [ 43.082799] 1240-byte region [ffff8881bdce7980, ffff8881bdce7e58) [ 43.094579] The buggy address belongs to the page: [ 43.099517] page:ffffea0006f73980 count:1 mapcount:0 mapping:ffff8881c5c76680 index:0x0 compound_mapcount: 0 [ 43.109481] flags: 0x2fffc0000010200(slab|head) [ 43.114155] raw: 02fffc0000010200 ffffea0006f71108 ffffea0006f73908 ffff8881c5c76680 [ 43.122036] raw: 0000000000000000 ffff8881bdce6380 0000000100000005 0000000000000000 [ 43.129909] page dumped because: kasan: bad access detected [ 43.135629] [ 43.137245] Memory state around the buggy address: [ 43.142171] ffff8881bdce7880: 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc [ 43.149530] ffff8881bdce7900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 43.156889] >ffff8881bdce7980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 43.164251] ^ [ 43.167652] ffff8881bdce7a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 43.175038] ffff8881bdce7a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 43.182387] ================================================================== [ 43.189735] Disabling lock debugging due to kernel taint [ 43.195285] Kernel panic - not syncing: panic_on_warn set ... [ 43.201189] CPU: 1 PID: 6286 Comm: syz-executor384 Tainted: G B 4.20.0-rc6+ #276 [ 43.210022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.219372] Call Trace: [ 43.221954] [ 43.224118] dump_stack+0x244/0x39d [ 43.227768] ? dump_stack_print_info.cold.1+0x20/0x20 [ 43.232972] panic+0x2ad/0x55c [ 43.236177] ? add_taint.cold.5+0x16/0x16 executing program executing program executing program executing program [ 43.240336] ? trace_hardirqs_on+0xb4/0x310 [ 43.244668] kasan_end_report+0x47/0x4f [ 43.248651] kasan_report.cold.8+0x76/0x309 [ 43.252983] ? ccid_hc_tx_delete+0xe0/0x100 [ 43.257311] __asan_report_load8_noabort+0x14/0x20 [ 43.262248] ccid_hc_tx_delete+0xe0/0x100 [ 43.266403] dccp_hdlr_ccid+0x7d/0x150 [ 43.270317] __dccp_feat_activate+0x188/0x280 [ 43.274827] ? __dccp_feat_activate+0x280/0x280 [ 43.279543] dccp_feat_activate_values+0x3c1/0x80a [ 43.284478] ? dccp_feat_init+0x550/0x550 [ 43.288650] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 43.294194] ? xfrm_lookup_route+0x74/0x1f0 [ 43.298539] ? inet6_csk_route_req+0x5a8/0x820 [ 43.303133] dccp_create_openreq_child+0x47a/0x630 [ 43.308065] ? dccp_create_openreq_child+0x47a/0x630 [ 43.313177] ? mark_held_locks+0x130/0x130 [ 43.317415] ? dccp_sample_rtt.cold.12+0x52/0x52 [ 43.322188] ? dccp_feat_reconcile+0x303/0x370 [ 43.326787] dccp_v6_request_recv_sock+0x278/0x2020 [ 43.331813] ? dccp_v6_do_rcv+0xbf0/0xbf0 [ 43.335971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 43.341513] ? refcount_inc_not_zero_checked+0x1e5/0x2f0 [ 43.346971] ? refcount_add_not_zero_checked+0x330/0x330 [ 43.352427] ? lock_acquire+0x1ed/0x520 [ 43.356430] ? dccp_check_req+0x95/0x6d0 [ 43.360524] dccp_check_req+0x47d/0x6d0 [ 43.364506] ? dccp_create_openreq_child+0x630/0x630 [ 43.369627] ? dccp_invalid_packet+0x64/0x880 [ 43.374138] dccp_v6_rcv+0x874/0x1ce9 [ 43.377958] ? dccp_v6_err+0x1760/0x1760 [ 43.382032] ? __lock_is_held+0xb5/0x140 [ 43.386116] ip6_input_finish+0x3fc/0x1aa0 executing program executing program [ 43.390381] ? ip6_rcv_core.isra.17+0x1e10/0x1e10 [ 43.395232] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 43.400285] ? nf_hook_slow+0x11e/0x1c0 [ 43.404293] ip6_input+0xe9/0x600 [ 43.407752] ? ip6_input_finish+0x1aa0/0x1aa0 [ 43.412258] ? ip6_rcv_core.isra.17+0x1e10/0x1e10 [ 43.417104] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 43.422046] ? kasan_check_read+0x11/0x20 [ 43.426195] ? rcu_softirq_qs+0x20/0x20 [ 43.430177] ip6_rcv_finish+0x17a/0x330 [ 43.434164] ipv6_rcv+0x115/0x640 [ 43.437632] ? ip6_input+0x600/0x600 [ 43.441355] ? ip6_rcv_finish_core.isra.14+0x720/0x720 [ 43.446644] ? lock_acquire+0x1ed/0x520 [ 43.450657] ? process_backlog+0x1dd/0x7a0 [ 43.454897] __netif_receive_skb_one_core+0x14d/0x200 [ 43.460095] ? __netif_receive_skb_core+0x3b30/0x3b30 [ 43.465295] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 43.470576] ? rcu_softirq_qs+0x20/0x20 [ 43.474570] ? trace_hardirqs_off_caller+0x310/0x310 [ 43.479693] __netif_receive_skb+0x2c/0x1e0 [ 43.484026] process_backlog+0x24e/0x7a0 [ 43.488096] net_rx_action+0x7fa/0x19b0 [ 43.492084] ? napi_complete_done+0x7c0/0x7c0 [ 43.496622] ? migrate_swap_stop+0x8a0/0x8a0 [ 43.501046] ? lock_downgrade+0x900/0x900 [ 43.505217] ? find_held_lock+0x36/0x1c0 [ 43.509286] ? zap_class+0x640/0x640 [ 43.513006] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 43.518555] ? kasan_check_read+0x11/0x20 [ 43.522722] ? do_raw_spin_lock+0x14f/0x350 [ 43.527055] ? find_held_lock+0x36/0x1c0 [ 43.531140] ? clockevents_program_event+0x158/0x370 [ 43.536269] ? lock_downgrade+0x900/0x900 [ 43.540421] ? zap_class+0x640/0x640 [ 43.544156] ? print_usage_bug+0xc0/0xc0 [ 43.548230] ? trace_hardirqs_on+0x310/0x310 [ 43.552649] ? kvm_clock_read+0x18/0x30 [ 43.556646] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 43.561678] ? ktime_get+0x2c1/0x400 [ 43.565407] ? zap_class+0x640/0x640 [ 43.569163] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 43.574708] ? check_preemption_disabled+0x48/0x280 [ 43.579751] ? __lock_is_held+0xb5/0x140 [ 43.583830] __do_softirq+0x308/0xb7e [ 43.587649] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 43.592766] ? irq_exit+0xbd/0x1c0 [ 43.596313] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 43.601339] ? smp_reschedule_interrupt+0x109/0x650 [ 43.606366] ? smp_call_function_single_interrupt+0x650/0x650 [ 43.612256] ? ret_from_intr+0xb/0x1e [ 43.616064] ? trace_hardirqs_off_caller+0xbb/0x310 [ 43.621090] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.625960] ? trace_hardirqs_on_caller+0x310/0x310 [ 43.630986] ? task_prio+0x50/0x50 [ 43.634537] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 43.640085] ? check_preemption_disabled+0x48/0x280 [ 43.645124] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.649977] ? ip6_finish_output2+0xcbc/0x2940 [ 43.654570] do_softirq_own_stack+0x2a/0x40 [ 43.658901] [ 43.661150] do_softirq.part.14+0x126/0x160 [ 43.665478] __local_bh_enable_ip+0x21d/0x260 [ 43.669988] ip6_finish_output2+0xcef/0x2940 [ 43.674405] ? ip6_copy_metadata+0xe30/0xe30 [ 43.678824] ? ip6_mtu+0x39c/0x520 [ 43.682371] ? lock_downgrade+0x900/0x900 [ 43.686531] ? check_preemption_disabled+0x48/0x280 [ 43.691560] ? zap_class+0x640/0x640 [ 43.695289] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 43.700574] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 43.706140] ? __lock_is_held+0xb5/0x140 [ 43.710211] ip6_finish_output+0x58c/0xc60 [ 43.714447] ? ip6_finish_output+0x58c/0xc60 [ 43.718865] ip6_output+0x232/0x9d0 [ 43.722502] ? ip6_finish_output+0xc60/0xc60 [ 43.726914] ? ip6_fragment+0x38e0/0x38e0 [ 43.731074] ? __lock_is_held+0xb5/0x140 [ 43.735154] ip6_xmit+0xf1c/0x2510 [ 43.738703] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 43.743991] ? ip6_finish_output2+0x2940/0x2940 [ 43.748671] ? inet6_csk_route_socket+0x704/0x1020 [ 43.753619] ? ip6_append_data+0x2d0/0x2d0 [ 43.757857] ? lock_acquire+0x1ed/0x520 [ 43.761837] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 43.767383] ? check_preemption_disabled+0x48/0x280 [ 43.772418] inet6_csk_xmit+0x375/0x630 [ 43.776403] ? inet6_csk_update_pmtu+0x190/0x190 [ 43.781169] ? __skb_checksum+0x920/0x920 [ 43.785321] ? memset+0x31/0x40 [ 43.788610] ? skb_send_sock+0x50/0x50 [ 43.792502] ? reqsk_fastopen_remove+0x660/0x660 [ 43.797273] ? dccp_v6_send_check+0x2a8/0x3f0 [ 43.801777] dccp_transmit_skb+0x98c/0x12e0 [ 43.806107] dccp_send_ack+0x1d9/0x360 [ 43.810020] dccp_rcv_state_process+0x152e/0x1b7e [ 43.814868] ? dccp_sample_rtt+0xe0/0xe0 [ 43.818939] ? trace_hardirqs_on+0xbd/0x310 [ 43.823664] ? _raw_spin_unlock_bh+0x30/0x40 [ 43.828092] ? trace_hardirqs_off_caller+0x310/0x310 [ 43.833263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 43.838813] dccp_v6_do_rcv+0x271/0xbf0 [ 43.842795] __release_sock+0x12f/0x3a0 [ 43.846782] release_sock+0xad/0x2c0 [ 43.850504] ? __release_sock+0x3a0/0x3a0 [ 43.854658] ? find_held_lock+0x36/0x1c0 [ 43.858732] __inet_stream_connect+0x641/0x1150 [ 43.863415] ? inet_dgram_connect+0x2e0/0x2e0 [ 43.867919] ? __init_waitqueue_head+0x150/0x150 [ 43.872683] ? trace_hardirqs_off_caller+0x310/0x310 [ 43.877800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 43.883349] ? check_preemption_disabled+0x48/0x280 [ 43.888374] ? lock_sock_nested+0x9a/0x120 [ 43.892627] ? lock_sock_nested+0x9a/0x120 [ 43.896866] ? __local_bh_enable_ip+0x160/0x260 [ 43.901568] inet_stream_connect+0x58/0xa0 [ 43.905856] __sys_connect+0x37d/0x4c0 [ 43.909757] ? __ia32_sys_accept+0xb0/0xb0 [ 43.914001] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 43.918674] ? retint_kernel+0x2d/0x2d [ 43.922569] ? trace_hardirqs_on_caller+0xc0/0x310 [ 43.927532] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 43.933001] ? zap_class+0x640/0x640 [ 43.936724] ? do_fast_syscall_32+0x150/0xfb2 [ 43.941228] ? do_fast_syscall_32+0x150/0xfb2 [ 43.945733] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 43.950328] ? trace_hardirqs_on+0xbd/0x310 [ 43.955149] ? entry_SYSENTER_compat+0x70/0x7f [ 43.959737] ? trace_hardirqs_off_caller+0x310/0x310 [ 43.964860] __ia32_sys_connect+0x72/0xb0 [ 43.969019] do_fast_syscall_32+0x34d/0xfb2 [ 43.973353] ? do_int80_syscall_32+0x890/0x890 [ 43.977946] ? entry_SYSENTER_compat+0x68/0x7f [ 43.982538] ? trace_hardirqs_off_caller+0xbb/0x310 [ 43.987559] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.992427] ? trace_hardirqs_on_caller+0x310/0x310 [ 43.997449] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 44.002473] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 44.009145] ? __switch_to_asm+0x40/0x70 [ 44.013211] ? __switch_to_asm+0x34/0x70 [ 44.017296] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.022152] entry_SYSENTER_compat+0x70/0x7f [ 44.026575] RIP: 0023:0xf7f22a29 [ 44.029958] Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 44.048867] RSP: 002b:00000000f7edc1fc EFLAGS: 00000293 ORIG_RAX: 000000000000016a [ 44.056578] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020419000 [ 44.063876] RDX: 000000000000001c RSI: 0000000000000000 RDI: 0000000000000000 [ 44.071167] RBP: 00000000003d0f00 R08: 0000000000000000 R09: 0000000000000000 [ 44.078445] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 44.085719] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 44.093891] Kernel Offset: disabled [ 44.097513] Rebooting in 86400 seconds..