[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 19.327718] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. [ 19.570951] random: sshd: uninitialized urandom read (32 bytes read) [ 19.933582] random: sshd: uninitialized urandom read (32 bytes read) Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 20.765644] random: sshd: uninitialized urandom read (32 bytes read) [ 93.922677] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.10.19' (ECDSA) to the list of known hosts. [ 99.379829] random: sshd: uninitialized urandom read (32 bytes read) [ 99.471963] IPVS: ftp: loaded support on port[0] = 21 [ 99.587957] bridge0: port 1(bridge_slave_0) entered blocking state [ 99.594389] bridge0: port 1(bridge_slave_0) entered disabled state [ 99.601552] device bridge_slave_0 entered promiscuous mode [ 99.617424] bridge0: port 2(bridge_slave_1) entered blocking state [ 99.623801] bridge0: port 2(bridge_slave_1) entered disabled state [ 99.630712] device bridge_slave_1 entered promiscuous mode [ 99.645202] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 99.659998] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 99.699214] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 99.716092] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 99.772870] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 99.780101] team0: Port device team_slave_0 added [ 99.794184] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 99.801241] team0: Port device team_slave_1 added [ 99.815439] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 99.831308] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 99.847262] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 99.863644] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported [ 99.968476] bridge0: port 2(bridge_slave_1) entered blocking state [ 99.974920] bridge0: port 2(bridge_slave_1) entered forwarding state [ 99.981764] bridge0: port 1(bridge_slave_0) entered blocking state [ 99.988126] bridge0: port 1(bridge_slave_0) entered forwarding state RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument [ 100.351960] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 100.358061] 8021q: adding VLAN 0 to HW filter on device bond0 [ 100.396598] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 100.434070] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 100.441375] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 100.474396] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 100.480496] 8021q: adding VLAN 0 to HW filter on device team0 [ 100.536209] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready executing program executing program executing program [ 100.704137] tpacket_rcv: packet too big, clamped from 76 to 4294967224. macoff=96 [ 100.704240] ================================================================== [ 100.719386] BUG: KASAN: use-after-free in prb_fill_curr_block.isra.54+0x4e5/0x5c0 [ 100.726992] Write of size 2 at addr ffff8801ab78000e by task swapper/1/0 [ 100.733803] [ 100.735413] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.17.0-rc6+ #72 [ 100.741984] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 100.751780] Call Trace: [ 100.754345] [ 100.756489] dump_stack+0x1b9/0x294 [ 100.760108] ? dump_stack_print_info.cold.2+0x52/0x52 [ 100.765277] ? printk+0x9e/0xba [ 100.768536] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 100.773272] ? kasan_check_write+0x14/0x20 [ 100.777486] print_address_description+0x6c/0x20b [ 100.782311] ? prb_fill_curr_block.isra.54+0x4e5/0x5c0 [ 100.787567] kasan_report.cold.7+0x242/0x2fe [ 100.791955] __asan_report_store2_noabort+0x17/0x20 [ 100.796949] prb_fill_curr_block.isra.54+0x4e5/0x5c0 [ 100.802030] tpacket_rcv+0x1866/0x3340 [ 100.805900] ? packet_rcv+0x1810/0x1810 [ 100.809855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 100.815371] ? refcount_inc_not_zero+0x1dd/0x2d0 [ 100.820107] ? refcount_add_not_zero+0x320/0x320 [ 100.824839] ? ktime_get+0x430/0x430 [ 100.828531] ? rcu_is_watching+0x85/0x140 [ 100.832661] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 100.837834] ? print_usage_bug+0xc0/0xc0 [ 100.841873] ? packet_rcv+0x1810/0x1810 [ 100.845830] dev_queue_xmit_nit+0x30f/0xc50 [ 100.850133] ? napi_busy_loop+0xd40/0xd40 [ 100.854259] ? print_usage_bug+0xc0/0xc0 [ 100.858295] ? __lock_acquire+0x7f5/0x5140 [ 100.862510] ? __netif_receive_skb+0x1e0/0x1e0 [ 100.867072] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 100.872241] dev_hard_start_xmit+0x16b/0xc10 [ 100.876630] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 100.882149] ? dev_direct_xmit+0x6a0/0x6a0 [ 100.886364] ? validate_xmit_xfrm+0x1ef/0xdc0 [ 100.890841] ? validate_xmit_skb+0x704/0xd90 [ 100.895230] ? netif_skb_features+0xb40/0xb40 [ 100.899713] ? update_stack_state+0x19d/0x670 [ 100.904190] ? validate_xmit_skb_list+0xe2/0x120 [ 100.908929] sch_direct_xmit+0x472/0x1120 [ 100.913055] ? noqueue_init+0x40/0x40 [ 100.916836] ? dev_watchdog+0xaf0/0xaf0 [ 100.920789] ? __lock_is_held+0xb5/0x140 [ 100.924835] __qdisc_run+0x611/0x19e0 [ 100.928617] ? sch_direct_xmit+0x1120/0x1120 [ 100.933004] ? lock_acquire+0x1dc/0x520 [ 100.936959] ? dev_queue_xmit+0x17/0x20 [ 100.940912] ? lock_release+0xa10/0xa10 [ 100.944868] ? kasan_check_write+0x14/0x20 [ 100.949082] ? do_raw_spin_trylock+0x10a/0x1b0 [ 100.953645] ? do_raw_spin_lock+0x200/0x200 [ 100.957950] ? mini_qdisc_pair_init+0x160/0x160 [ 100.962603] __dev_queue_xmit+0x1417/0x3900 [ 100.966911] ? dev_queue_xmit+0x17/0x20 [ 100.970870] ? netdev_pick_tx+0x2d0/0x2d0 [ 100.975003] ? kasan_check_read+0x11/0x20 [ 100.979134] ? rcu_is_watching+0x85/0x140 [ 100.983265] ? debug_check_no_locks_freed+0x310/0x310 [ 100.988444] ? fib_rules_lookup+0x561/0xcb0 [ 100.992748] ? fib_rules_net_exit+0x110/0x110 [ 100.997221] ? graph_lock+0x170/0x170 [ 101.001000] ? graph_lock+0x170/0x170 [ 101.004778] ? __lock_acquire+0x7f5/0x5140 [ 101.008998] ? __lock_is_held+0xb5/0x140 [ 101.013041] ? print_usage_bug+0xc0/0xc0 [ 101.017090] ? graph_lock+0x170/0x170 [ 101.020881] ? lock_downgrade+0x8e0/0x8e0 [ 101.025012] ? print_usage_bug+0xc0/0xc0 [ 101.029054] ? lock_downgrade+0x8e0/0x8e0 [ 101.033184] ? lock_release+0xa10/0xa10 [ 101.037139] ? kasan_check_read+0x11/0x20 [ 101.041268] ? mark_held_locks+0xc9/0x160 [ 101.045407] dev_queue_xmit+0x17/0x20 [ 101.049202] ? dev_queue_xmit+0x17/0x20 [ 101.053180] ip6_finish_output2+0x1345/0x2800 [ 101.057682] ? native_safe_halt+0x6/0x10 [ 101.061752] ? ip6_flush_pending_frames+0xc0/0xc0 [ 101.066600] ? lock_downgrade+0x8e0/0x8e0 [ 101.070749] ? kasan_check_read+0x11/0x20 [ 101.074877] ? rcu_is_watching+0x85/0x140 [ 101.079005] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 101.084179] ? ip6_mtu+0x159/0x510 [ 101.087698] ? ip6_dst_ifdown+0x4c0/0x4c0 [ 101.091828] ? kasan_check_read+0x11/0x20 [ 101.095970] ? rcu_is_watching+0x85/0x140 [ 101.100098] ip6_finish_output+0x5fe/0xbc0 [ 101.104310] ? ip6_finish_output+0x5fe/0xbc0 [ 101.108700] ip6_output+0x227/0x9b0 [ 101.112305] ? ip6_finish_output+0xbc0/0xbc0 [ 101.116693] ? icmp6_dst_alloc+0x4c0/0x730 [ 101.120908] ? ip6_fragment+0x3910/0x3910 [ 101.125032] ? icmpv6_flow_init+0x1f4/0x270 [ 101.129331] mld_sendpack+0xaeb/0xfc0 [ 101.133112] ? nf_hook.constprop.41+0x940/0x940 [ 101.137765] ? mark_held_locks+0xc9/0x160 [ 101.141979] ? kasan_check_read+0x11/0x20 [ 101.146119] ? trace_hardirqs_on+0xd/0x10 [ 101.150245] ? __local_bh_enable_ip+0x161/0x230 [ 101.154891] mld_ifc_timer_expire+0x447/0x820 [ 101.159375] call_timer_fn+0x230/0x940 [ 101.163239] ? mld_dad_timer_expire+0x130/0x130 [ 101.167894] ? process_timeout+0x40/0x40 [ 101.171933] ? kasan_check_write+0x14/0x20 [ 101.176146] ? lock_downgrade+0x8e0/0x8e0 [ 101.180268] ? trace_hardirqs_off+0xd/0x10 [ 101.184488] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 101.189576] ? kasan_check_read+0x11/0x20 [ 101.193702] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 101.198270] ? trace_hardirqs_on_caller+0x19e/0x5c0 [ 101.203266] ? mld_dad_timer_expire+0x130/0x130 [ 101.208037] ? mld_dad_timer_expire+0x130/0x130 [ 101.212691] __run_timers+0x79e/0xc50 [ 101.216483] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 101.221828] ? graph_lock+0x170/0x170 [ 101.225621] ? lock_release+0xa10/0xa10 [ 101.229578] ? kasan_check_read+0x11/0x20 [ 101.233705] ? rcu_is_watching+0x85/0x140 [ 101.237835] ? find_held_lock+0x36/0x1c0 [ 101.241880] ? lock_downgrade+0x8e0/0x8e0 [ 101.246009] ? rcu_is_watching+0x85/0x140 [ 101.250133] ? rcu_pm_notify+0xc0/0xc0 [ 101.254003] run_timer_softirq+0x4c/0x70 [ 101.258045] __do_softirq+0x2e0/0xaf5 [ 101.261827] ? __irqentry_text_end+0x1f98a8/0x1f98a8 [ 101.266913] ? kasan_check_read+0x11/0x20 [ 101.271037] ? do_raw_spin_unlock+0x9e/0x2e0 [ 101.275424] ? native_apic_msr_write+0x5b/0x80 [ 101.279984] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 101.284544] ? lapic_next_event+0x5a/0x90 [ 101.288671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 101.294186] ? clockevents_program_event+0x140/0x370 [ 101.299270] ? kasan_check_read+0x11/0x20 [ 101.303425] ? rcu_is_watching+0x85/0x140 [ 101.307552] ? rcu_pm_notify+0xc0/0xc0 [ 101.311423] irq_exit+0x1d1/0x200 [ 101.314856] smp_apic_timer_interrupt+0x17e/0x710 [ 101.319678] ? smp_call_function_single_interrupt+0x650/0x650 [ 101.325541] ? _raw_spin_lock+0x32/0x40 [ 101.329494] ? _raw_spin_unlock+0x22/0x30 [ 101.333621] ? handle_edge_irq+0x330/0x870 [ 101.337837] ? task_prio+0x50/0x50 [ 101.341357] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 101.346180] apic_timer_interrupt+0xf/0x20 [ 101.350386] [ 101.352603] RIP: 0010:native_safe_halt+0x6/0x10 [ 101.357247] RSP: 0018:ffff8801d9ae7c38 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 101.364932] RAX: dffffc0000000000 RBX: 1ffff1003b35cf8a RCX: 0000000000000000 [ 101.372178] RDX: 1ffffffff11a31b0 RSI: 0000000000000001 RDI: ffffffff88d18d80 [ 101.379423] RBP: ffff8801d9ae7c38 R08: ffffed003b5e46d3 R09: 0000000000000000 [ 101.386674] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 101.393923] R13: ffff8801d9ae7cf0 R14: ffffffff897c3a60 R15: 0000000000000000 [ 101.401183] ? trace_hardirqs_on+0xd/0x10 [ 101.405309] default_idle+0xc2/0x440 [ 101.409000] ? __sched_text_end+0x2/0x2 [ 101.412953] ? rcu_idle_enter+0x304/0x460 [ 101.417087] ? rcu_eqs_special_set+0x190/0x190 [ 101.421647] ? tsc_verify_tsc_adjust+0xf7/0x360 [ 101.426293] ? mark_tsc_async_resets+0x20/0x20 [ 101.430854] ? tick_nohz_idle_enter+0x219/0x320 [ 101.435503] arch_cpu_idle+0x10/0x20 [ 101.439204] default_idle_call+0x6d/0x90 [ 101.443242] do_idle+0x395/0x560 [ 101.446586] ? retint_kernel+0x10/0x10 [ 101.450451] ? arch_cpu_idle_exit+0x70/0x70 [ 101.454755] cpu_startup_entry+0x104/0x120 [ 101.458965] ? cpu_in_idle+0x20/0x20 [ 101.462662] start_secondary+0x42b/0x5c0 [ 101.466700] ? set_cpu_sibling_map+0x1860/0x1860 [ 101.471448] secondary_startup_64+0xa5/0xb0 [ 101.475750] [ 101.477352] The buggy address belongs to the page: [ 101.482257] page:ffffea0006ade000 count:0 mapcount:-127 mapping:0000000000000000 index:0x0 [ 101.490635] flags: 0x2fffc0000000000() [ 101.494505] raw: 02fffc0000000000 0000000000000000 0000000000000000 00000000ffffff80 [ 101.502362] raw: ffffea000740f020 ffffea0007414a20 0000000000000003 0000000000000000 [ 101.510213] page dumped because: kasan: bad access detected [ 101.515893] [ 101.517494] Memory state around the buggy address: [ 101.522397] ffff8801ab77ff00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 101.529742] ffff8801ab77ff80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 101.537086] >ffff8801ab780000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 101.544420] ^ [ 101.548037] ffff8801ab780080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 101.555372] ffff8801ab780100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 101.562705] ================================================================== [ 101.570035] Disabling lock debugging due to kernel taint [ 101.575463] Kernel panic - not syncing: panic_on_warn set ... [ 101.575463] [ 101.582804] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G B 4.17.0-rc6+ #72 [ 101.590746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 101.600075] Call Trace: [ 101.602633] [ 101.604768] dump_stack+0x1b9/0x294 [ 101.608371] ? dump_stack_print_info.cold.2+0x52/0x52 [ 101.613595] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 101.618329] ? prb_fill_curr_block.isra.54+0x430/0x5c0 [ 101.623583] panic+0x22f/0x4de [ 101.626753] ? add_taint.cold.5+0x16/0x16 [ 101.630878] ? do_raw_spin_unlock+0x9e/0x2e0 [ 101.635274] ? do_raw_spin_unlock+0x9e/0x2e0 [ 101.639666] ? prb_fill_curr_block.isra.54+0x4e5/0x5c0 [ 101.644918] kasan_end_report+0x47/0x4f [ 101.648866] kasan_report.cold.7+0x76/0x2fe [ 101.653166] __asan_report_store2_noabort+0x17/0x20 [ 101.658159] prb_fill_curr_block.isra.54+0x4e5/0x5c0 [ 101.663235] tpacket_rcv+0x1866/0x3340 [ 101.667099] ? packet_rcv+0x1810/0x1810 [ 101.671062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 101.676576] ? refcount_inc_not_zero+0x1dd/0x2d0 [ 101.681306] ? refcount_add_not_zero+0x320/0x320 [ 101.686039] ? ktime_get+0x430/0x430 [ 101.689741] ? rcu_is_watching+0x85/0x140 [ 101.693873] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 101.699041] ? print_usage_bug+0xc0/0xc0 [ 101.703077] ? packet_rcv+0x1810/0x1810 [ 101.707027] dev_queue_xmit_nit+0x30f/0xc50 [ 101.711336] ? napi_busy_loop+0xd40/0xd40 [ 101.715461] ? print_usage_bug+0xc0/0xc0 [ 101.719503] ? __lock_acquire+0x7f5/0x5140 [ 101.723718] ? __netif_receive_skb+0x1e0/0x1e0 [ 101.728281] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 101.733464] dev_hard_start_xmit+0x16b/0xc10 [ 101.737852] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 101.743960] ? dev_direct_xmit+0x6a0/0x6a0 [ 101.748173] ? validate_xmit_xfrm+0x1ef/0xdc0 [ 101.752645] ? validate_xmit_skb+0x704/0xd90 [ 101.757029] ? netif_skb_features+0xb40/0xb40 [ 101.761500] ? update_stack_state+0x19d/0x670 [ 101.765990] ? validate_xmit_skb_list+0xe2/0x120 [ 101.770725] sch_direct_xmit+0x472/0x1120 [ 101.774849] ? noqueue_init+0x40/0x40 [ 101.778626] ? dev_watchdog+0xaf0/0xaf0 [ 101.782585] ? __lock_is_held+0xb5/0x140 [ 101.786622] __qdisc_run+0x611/0x19e0 [ 101.790400] ? sch_direct_xmit+0x1120/0x1120 [ 101.794783] ? lock_acquire+0x1dc/0x520 [ 101.798732] ? dev_queue_xmit+0x17/0x20 [ 101.802689] ? lock_release+0xa10/0xa10 [ 101.806649] ? kasan_check_write+0x14/0x20 [ 101.810860] ? do_raw_spin_trylock+0x10a/0x1b0 [ 101.815420] ? do_raw_spin_lock+0x200/0x200 [ 101.819731] ? mini_qdisc_pair_init+0x160/0x160 [ 101.824377] __dev_queue_xmit+0x1417/0x3900 [ 101.828677] ? dev_queue_xmit+0x17/0x20 [ 101.832630] ? netdev_pick_tx+0x2d0/0x2d0 [ 101.836756] ? kasan_check_read+0x11/0x20 [ 101.840880] ? rcu_is_watching+0x85/0x140 [ 101.845005] ? debug_check_no_locks_freed+0x310/0x310 [ 101.850181] ? fib_rules_lookup+0x561/0xcb0 [ 101.854487] ? fib_rules_net_exit+0x110/0x110 [ 101.858956] ? graph_lock+0x170/0x170 [ 101.862730] ? graph_lock+0x170/0x170 [ 101.866514] ? __lock_acquire+0x7f5/0x5140 [ 101.870720] ? __lock_is_held+0xb5/0x140 [ 101.874757] ? print_usage_bug+0xc0/0xc0 [ 101.878792] ? graph_lock+0x170/0x170 [ 101.882572] ? lock_downgrade+0x8e0/0x8e0 [ 101.886695] ? print_usage_bug+0xc0/0xc0 [ 101.890731] ? lock_downgrade+0x8e0/0x8e0 [ 101.894863] ? lock_release+0xa10/0xa10 [ 101.898811] ? kasan_check_read+0x11/0x20 [ 101.902934] ? mark_held_locks+0xc9/0x160 [ 101.907058] dev_queue_xmit+0x17/0x20 [ 101.910834] ? dev_queue_xmit+0x17/0x20 [ 101.914791] ip6_finish_output2+0x1345/0x2800 [ 101.919259] ? native_safe_halt+0x6/0x10 [ 101.923295] ? ip6_flush_pending_frames+0xc0/0xc0 [ 101.928112] ? lock_downgrade+0x8e0/0x8e0 [ 101.932245] ? kasan_check_read+0x11/0x20 [ 101.936377] ? rcu_is_watching+0x85/0x140 [ 101.940502] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 101.945666] ? ip6_mtu+0x159/0x510 [ 101.949191] ? ip6_dst_ifdown+0x4c0/0x4c0 [ 101.953316] ? kasan_check_read+0x11/0x20 [ 101.957445] ? rcu_is_watching+0x85/0x140 [ 101.961569] ip6_finish_output+0x5fe/0xbc0 [ 101.965788] ? ip6_finish_output+0x5fe/0xbc0 [ 101.970171] ip6_output+0x227/0x9b0 [ 101.973770] ? ip6_finish_output+0xbc0/0xbc0 [ 101.978155] ? icmp6_dst_alloc+0x4c0/0x730 [ 101.982368] ? ip6_fragment+0x3910/0x3910 [ 101.986491] ? icmpv6_flow_init+0x1f4/0x270 [ 101.990788] mld_sendpack+0xaeb/0xfc0 [ 101.994563] ? nf_hook.constprop.41+0x940/0x940 [ 101.999205] ? mark_held_locks+0xc9/0x160 [ 102.003328] ? kasan_check_read+0x11/0x20 [ 102.007453] ? trace_hardirqs_on+0xd/0x10 [ 102.011577] ? __local_bh_enable_ip+0x161/0x230 [ 102.016220] mld_ifc_timer_expire+0x447/0x820 [ 102.020694] call_timer_fn+0x230/0x940 [ 102.024555] ? mld_dad_timer_expire+0x130/0x130 [ 102.029209] ? process_timeout+0x40/0x40 [ 102.033246] ? kasan_check_write+0x14/0x20 [ 102.037458] ? lock_downgrade+0x8e0/0x8e0 [ 102.041580] ? trace_hardirqs_off+0xd/0x10 [ 102.045791] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 102.050872] ? kasan_check_read+0x11/0x20 [ 102.054997] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 102.059556] ? trace_hardirqs_on_caller+0x19e/0x5c0 [ 102.064547] ? mld_dad_timer_expire+0x130/0x130 [ 102.069188] ? mld_dad_timer_expire+0x130/0x130 [ 102.073830] __run_timers+0x79e/0xc50 [ 102.077609] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 102.082946] ? graph_lock+0x170/0x170 [ 102.086724] ? lock_release+0xa10/0xa10 [ 102.090687] ? kasan_check_read+0x11/0x20 [ 102.094812] ? rcu_is_watching+0x85/0x140 [ 102.098937] ? find_held_lock+0x36/0x1c0 [ 102.102977] ? lock_downgrade+0x8e0/0x8e0 [ 102.107099] ? rcu_is_watching+0x85/0x140 [ 102.111219] ? rcu_pm_notify+0xc0/0xc0 [ 102.115082] run_timer_softirq+0x4c/0x70 [ 102.119117] __do_softirq+0x2e0/0xaf5 [ 102.122904] ? __irqentry_text_end+0x1f98a8/0x1f98a8 [ 102.127993] ? kasan_check_read+0x11/0x20 [ 102.132117] ? do_raw_spin_unlock+0x9e/0x2e0 [ 102.136504] ? native_apic_msr_write+0x5b/0x80 [ 102.141074] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 102.145632] ? lapic_next_event+0x5a/0x90 [ 102.149758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 102.155272] ? clockevents_program_event+0x140/0x370 [ 102.160352] ? kasan_check_read+0x11/0x20 [ 102.164474] ? rcu_is_watching+0x85/0x140 [ 102.168597] ? rcu_pm_notify+0xc0/0xc0 [ 102.172462] irq_exit+0x1d1/0x200 [ 102.175891] smp_apic_timer_interrupt+0x17e/0x710 [ 102.180711] ? smp_call_function_single_interrupt+0x650/0x650 [ 102.186569] ? _raw_spin_lock+0x32/0x40 [ 102.190519] ? _raw_spin_unlock+0x22/0x30 [ 102.194642] ? handle_edge_irq+0x330/0x870 [ 102.198851] ? task_prio+0x50/0x50 [ 102.202371] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 102.207188] apic_timer_interrupt+0xf/0x20 [ 102.211393] [ 102.213608] RIP: 0010:native_safe_halt+0x6/0x10 [ 102.218249] RSP: 0018:ffff8801d9ae7c38 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 102.225933] RAX: dffffc0000000000 RBX: 1ffff1003b35cf8a RCX: 0000000000000000 [ 102.233177] RDX: 1ffffffff11a31b0 RSI: 0000000000000001 RDI: ffffffff88d18d80 [ 102.240421] RBP: ffff8801d9ae7c38 R08: ffffed003b5e46d3 R09: 0000000000000000 [ 102.247664] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 102.254909] R13: ffff8801d9ae7cf0 R14: ffffffff897c3a60 R15: 0000000000000000 [ 102.262160] ? trace_hardirqs_on+0xd/0x10 [ 102.266303] default_idle+0xc2/0x440 [ 102.269991] ? __sched_text_end+0x2/0x2 [ 102.273942] ? rcu_idle_enter+0x304/0x460 [ 102.278064] ? rcu_eqs_special_set+0x190/0x190 [ 102.282631] ? tsc_verify_tsc_adjust+0xf7/0x360 [ 102.287283] ? mark_tsc_async_resets+0x20/0x20 [ 102.291839] ? tick_nohz_idle_enter+0x219/0x320 [ 102.296485] arch_cpu_idle+0x10/0x20 [ 102.300172] default_idle_call+0x6d/0x90 [ 102.304213] do_idle+0x395/0x560 [ 102.307563] ? retint_kernel+0x10/0x10 [ 102.311442] ? arch_cpu_idle_exit+0x70/0x70 [ 102.315748] cpu_startup_entry+0x104/0x120 [ 102.319961] ? cpu_in_idle+0x20/0x20 [ 102.323656] start_secondary+0x42b/0x5c0 [ 102.327695] ? set_cpu_sibling_map+0x1860/0x1860 [ 102.332435] secondary_startup_64+0xa5/0xb0 [ 102.337168] Dumping ftrace buffer: [ 102.340684] (ftrace buffer empty) [ 102.344367] Kernel Offset: disabled [ 102.347970] Rebooting in 86400 seconds..