[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 19.916523] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 23.870879] random: sshd: uninitialized urandom read (32 bytes read) [ 24.234537] random: sshd: uninitialized urandom read (32 bytes read) [ 24.974203] random: sshd: uninitialized urandom read (32 bytes read) [ 25.130810] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.36' (ECDSA) to the list of known hosts. [ 30.552601] random: sshd: uninitialized urandom read (32 bytes read) net.ipv6.conf.syz_tun.accept_dad = 0 [ 30.658419] IPVS: ftp: loaded support on port[0] = 21 net.ipv6.conf.syz_tun.router_solicitations = 0 [ 30.844244] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.850674] bridge0: port 1(bridge_slave_0) entered disabled state [ 30.857984] device bridge_slave_0 entered promiscuous mode [ 30.873263] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.879624] bridge0: port 2(bridge_slave_1) entered disabled state [ 30.886716] device bridge_slave_1 entered promiscuous mode [ 30.902604] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 30.917509] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 30.956917] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 30.974353] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 31.033001] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 31.040579] team0: Port device team_slave_0 added [ 31.055141] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 31.062664] team0: Port device team_slave_1 added [ 31.076863] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 31.093229] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 31.109867] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 31.125995] 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 [ 31.235240] bridge0: port 2(bridge_slave_1) entered blocking state [ 31.241684] bridge0: port 2(bridge_slave_1) entered forwarding state [ 31.248580] bridge0: port 1(bridge_slave_0) entered blocking state [ 31.254933] 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 [ 31.637999] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 31.644128] 8021q: adding VLAN 0 to HW filter on device bond0 [ 31.685586] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 31.726157] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 31.733963] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 31.769947] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 31.776048] 8021q: adding VLAN 0 to HW filter on device team0 [ 31.790233] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready executing program [ 32.007182] tpacket_rcv: packet too big, clamped from 72 to 4294967224. macoff=96 [ 32.015054] ================================================================== [ 32.022461] BUG: KASAN: slab-out-of-bounds in prb_fill_curr_block.isra.59+0x4e5/0x5c0 [ 32.030411] Write of size 2 at addr ffff8801ca00000e by task kworker/1:1/24 [ 32.037482] [ 32.039100] CPU: 1 PID: 24 Comm: kworker/1:1 Not tainted 4.17.0-rc7+ #77 [ 32.046501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.055857] Workqueue: ipv6_addrconf addrconf_dad_work [ 32.061112] Call Trace: [ 32.063683] dump_stack+0x1b9/0x294 [ 32.067295] ? dump_stack_print_info.cold.2+0x52/0x52 [ 32.072472] ? printk+0x9e/0xba [ 32.075737] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 32.080477] ? kasan_check_write+0x14/0x20 [ 32.084697] print_address_description+0x6c/0x20b [ 32.089534] ? prb_fill_curr_block.isra.59+0x4e5/0x5c0 [ 32.094792] kasan_report.cold.7+0x242/0x2fe [ 32.099189] __asan_report_store2_noabort+0x17/0x20 [ 32.104234] prb_fill_curr_block.isra.59+0x4e5/0x5c0 [ 32.109320] tpacket_rcv+0x1866/0x3340 [ 32.113200] ? packet_rcv+0x1810/0x1810 [ 32.117161] ? kvm_clock_read+0x25/0x30 [ 32.121118] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 32.126118] ? ktime_get_with_offset+0x326/0x4a0 [ 32.130859] ? ktime_get+0x430/0x430 [ 32.134557] ? rcu_is_watching+0x85/0x140 [ 32.138689] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 32.143866] ? packet_rcv+0x1810/0x1810 [ 32.147827] dev_queue_xmit_nit+0x891/0xb90 [ 32.152144] ? napi_busy_loop+0xca0/0xca0 [ 32.156282] ? mark_held_locks+0xc9/0x160 [ 32.160412] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 32.165590] dev_hard_start_xmit+0x16b/0xc10 [ 32.169984] ? validate_xmit_skb_list+0x120/0x120 [ 32.174811] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 32.180328] ? netif_skb_features+0x696/0xb40 [ 32.184809] ? validate_xmit_xfrm+0x1ef/0xdc0 [ 32.189286] ? lock_acquire+0x1dc/0x520 [ 32.193250] ? validate_xmit_skb+0x704/0xd90 [ 32.197644] ? netif_skb_features+0xb40/0xb40 [ 32.202129] __dev_queue_xmit+0x2724/0x34c0 [ 32.206444] ? netdev_pick_tx+0x2d0/0x2d0 [ 32.210582] ? debug_check_no_locks_freed+0x310/0x310 [ 32.215765] ? print_usage_bug+0xc0/0xc0 [ 32.219818] ? lock_downgrade+0x8e0/0x8e0 [ 32.223950] ? mark_held_locks+0xc9/0x160 [ 32.228084] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 32.233610] ? graph_lock+0x170/0x170 [ 32.237403] ? trace_hardirqs_on_caller+0x19e/0x5c0 [ 32.242401] ? __neigh_create+0x1447/0x2050 [ 32.246706] ? trace_hardirqs_on+0xd/0x10 [ 32.250841] ? __local_bh_enable_ip+0x161/0x230 [ 32.255496] ? _raw_write_unlock_bh+0x30/0x40 [ 32.259973] ? print_usage_bug+0xc0/0xc0 [ 32.264023] ? print_usage_bug+0xc0/0xc0 [ 32.268080] ? lock_downgrade+0x8e0/0x8e0 [ 32.272214] ? lock_release+0xa10/0xa10 [ 32.276179] ? memcpy+0x45/0x50 [ 32.279443] dev_queue_xmit+0x17/0x20 [ 32.283225] ? dev_queue_xmit+0x17/0x20 [ 32.287186] neigh_resolve_output+0x679/0xad0 [ 32.291670] ? __neigh_event_send+0x1240/0x1240 [ 32.296324] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 32.301499] ip6_finish_output2+0xc9c/0x2810 [ 32.305894] ? ip6_flush_pending_frames+0xc0/0xc0 [ 32.310736] ? lock_downgrade+0x8e0/0x8e0 [ 32.314873] ? kasan_check_read+0x11/0x20 [ 32.319002] ? rcu_is_watching+0x85/0x140 [ 32.323136] ? __lock_is_held+0xb5/0x140 [ 32.327188] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 32.332369] ? ip6_mtu+0x1b3/0x590 [ 32.335895] ? ip6_sk_redirect+0x130/0x130 [ 32.340116] ? kasan_check_read+0x11/0x20 [ 32.344248] ? rcu_is_watching+0x85/0x140 [ 32.348380] ip6_finish_output+0x5fe/0xbc0 [ 32.352598] ? ip6_finish_output+0x5fe/0xbc0 [ 32.356991] ip6_output+0x227/0x9b0 [ 32.360603] ? ip6_finish_output+0xbc0/0xbc0 [ 32.364995] ? __lock_is_held+0xb5/0x140 [ 32.369046] ? ndisc_alloc_skb+0x340/0x340 [ 32.373267] ndisc_send_skb+0x100d/0x1570 [ 32.377405] ? ndisc_constructor+0xc20/0xc20 [ 32.381793] ? graph_lock+0x170/0x170 [ 32.385590] ? graph_lock+0x170/0x170 [ 32.389374] ? dequeue_entity+0x3f8/0x15c0 [ 32.393599] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 32.398601] ndisc_send_ns+0x3c1/0x8d0 [ 32.402470] ? lock_downgrade+0x8e0/0x8e0 [ 32.406606] ? ndisc_netdev_event+0x560/0x560 [ 32.411081] ? kasan_check_read+0x11/0x20 [ 32.415217] ? __local_bh_enable_ip+0x161/0x230 [ 32.419872] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 32.424877] ? addrconf_dad_work+0xab5/0x1340 [ 32.429357] ? trace_hardirqs_on+0xd/0x10 [ 32.433488] addrconf_dad_work+0xbef/0x1340 [ 32.437795] ? addrconf_ifdown+0x18a0/0x18a0 [ 32.442185] ? __lock_is_held+0xb5/0x140 [ 32.446236] process_one_work+0xc1e/0x1b50 [ 32.450457] ? finish_task_switch+0x28b/0x840 [ 32.454940] ? pwq_dec_nr_in_flight+0x490/0x490 [ 32.459598] ? __schedule+0x809/0x1e30 [ 32.463485] ? find_held_lock+0x36/0x1c0 [ 32.467529] ? graph_lock+0x170/0x170 [ 32.471315] ? find_held_lock+0x36/0x1c0 [ 32.475366] ? find_held_lock+0x36/0x1c0 [ 32.479411] ? lock_acquire+0x1dc/0x520 [ 32.483369] ? worker_thread+0x41f/0x1440 [ 32.487516] ? lock_downgrade+0x8e0/0x8e0 [ 32.491647] ? lock_release+0xa10/0xa10 [ 32.495605] ? kasan_check_read+0x11/0x20 [ 32.499740] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 32.504311] worker_thread+0x1cc/0x1440 [ 32.508275] ? process_one_work+0x1b50/0x1b50 [ 32.512757] ? graph_lock+0x170/0x170 [ 32.516542] ? find_held_lock+0x36/0x1c0 [ 32.520592] ? find_held_lock+0x36/0x1c0 [ 32.524645] ? schedule+0xef/0x430 [ 32.528175] ? __schedule+0x1e30/0x1e30 [ 32.532134] ? do_raw_spin_unlock+0x9e/0x2e0 [ 32.536528] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 32.541097] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 32.546620] ? __kthread_parkme+0x111/0x1d0 [ 32.550928] ? parse_args.cold.15+0x1b3/0x1b3 [ 32.555407] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 32.560406] ? trace_hardirqs_on+0xd/0x10 [ 32.564540] kthread+0x345/0x410 [ 32.567891] ? process_one_work+0x1b50/0x1b50 [ 32.572376] ? kthread_bind+0x40/0x40 [ 32.576159] ret_from_fork+0x3a/0x50 [ 32.579857] [ 32.581465] Allocated by task 3686: [ 32.585075] save_stack+0x43/0xd0 [ 32.588509] kasan_kmalloc+0xc4/0xe0 [ 32.592203] kasan_slab_alloc+0x12/0x20 [ 32.596158] kmem_cache_alloc+0x12e/0x760 [ 32.600289] getname_flags+0xd0/0x5a0 [ 32.604073] user_path_at_empty+0x2d/0x50 [ 32.608205] do_faccessat+0x24a/0x7c0 [ 32.611987] __x64_sys_access+0x59/0x80 [ 32.615945] do_syscall_64+0x1b1/0x800 [ 32.619815] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 32.624980] [ 32.626586] Freed by task 3686: [ 32.629850] save_stack+0x43/0xd0 [ 32.633286] __kasan_slab_free+0x11a/0x170 [ 32.637500] kasan_slab_free+0xe/0x10 [ 32.641280] kmem_cache_free+0x86/0x2d0 [ 32.645234] putname+0xf2/0x130 [ 32.648497] filename_lookup+0x38b/0x4f0 [ 32.652540] user_path_at_empty+0x40/0x50 [ 32.656669] do_faccessat+0x24a/0x7c0 [ 32.660451] __x64_sys_access+0x59/0x80 [ 32.664405] do_syscall_64+0x1b1/0x800 [ 32.668276] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 32.673439] [ 32.675053] The buggy address belongs to the object at ffff8801ca0004c0 [ 32.675053] which belongs to the cache names_cache of size 4096 [ 32.687779] The buggy address is located 1202 bytes to the left of [ 32.687779] 4096-byte region [ffff8801ca0004c0, ffff8801ca0014c0) [ 32.700241] The buggy address belongs to the page: [ 32.705155] page:ffffea0007280000 count:1 mapcount:0 mapping:ffff8801ca0004c0 index:0x0 compound_mapcount: 0 [ 32.715108] flags: 0x2fffc0000008100(slab|head) [ 32.719761] raw: 02fffc0000008100 ffff8801ca0004c0 0000000000000000 0000000100000001 [ 32.727624] raw: ffffea0007286420 ffffea000729eca0 ffff8801da988dc0 0000000000000000 [ 32.735481] page dumped because: kasan: bad access detected [ 32.741165] [ 32.742770] Memory state around the buggy address: [ 32.747681] ffff8801c9ffff00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 32.755024] ffff8801c9ffff80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 32.762364] >ffff8801ca000000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.769714] ^ [ 32.773323] ffff8801ca000080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.780665] ffff8801ca000100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.788002] ================================================================== [ 32.795340] Disabling lock debugging due to kernel taint [ 32.800808] Kernel panic - not syncing: panic_on_warn set ... [ 32.800808] [ 32.808154] CPU: 1 PID: 24 Comm: kworker/1:1 Tainted: G B 4.17.0-rc7+ #77 [ 32.816360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.825702] Workqueue: ipv6_addrconf addrconf_dad_work [ 32.830967] Call Trace: [ 32.833539] dump_stack+0x1b9/0x294 [ 32.837149] ? dump_stack_print_info.cold.2+0x52/0x52 [ 32.842329] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.847067] ? prb_fill_curr_block.isra.59+0x490/0x5c0 [ 32.852327] panic+0x22f/0x4de [ 32.855501] ? add_taint.cold.5+0x16/0x16 [ 32.859630] ? do_raw_spin_unlock+0x9e/0x2e0 [ 32.864021] ? do_raw_spin_unlock+0x9e/0x2e0 [ 32.868414] ? prb_fill_curr_block.isra.59+0x4e5/0x5c0 [ 32.873671] kasan_end_report+0x47/0x4f [ 32.877626] kasan_report.cold.7+0x76/0x2fe [ 32.881930] __asan_report_store2_noabort+0x17/0x20 [ 32.886936] prb_fill_curr_block.isra.59+0x4e5/0x5c0 [ 32.892023] tpacket_rcv+0x1866/0x3340 [ 32.895981] ? packet_rcv+0x1810/0x1810 [ 32.899938] ? kvm_clock_read+0x25/0x30 [ 32.903893] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 32.908891] ? ktime_get_with_offset+0x326/0x4a0 [ 32.913629] ? ktime_get+0x430/0x430 [ 32.917320] ? rcu_is_watching+0x85/0x140 [ 32.921450] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 32.926623] ? packet_rcv+0x1810/0x1810 [ 32.930581] dev_queue_xmit_nit+0x891/0xb90 [ 32.934883] ? napi_busy_loop+0xca0/0xca0 [ 32.939017] ? mark_held_locks+0xc9/0x160 [ 32.943148] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 32.948318] dev_hard_start_xmit+0x16b/0xc10 [ 32.952710] ? validate_xmit_skb_list+0x120/0x120 [ 32.957535] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 32.963051] ? netif_skb_features+0x696/0xb40 [ 32.967531] ? validate_xmit_xfrm+0x1ef/0xdc0 [ 32.972005] ? lock_acquire+0x1dc/0x520 [ 32.975964] ? validate_xmit_skb+0x704/0xd90 [ 32.980352] ? netif_skb_features+0xb40/0xb40 [ 32.984828] __dev_queue_xmit+0x2724/0x34c0 [ 32.989133] ? netdev_pick_tx+0x2d0/0x2d0 [ 32.993262] ? debug_check_no_locks_freed+0x310/0x310 [ 32.998432] ? print_usage_bug+0xc0/0xc0 [ 33.002478] ? lock_downgrade+0x8e0/0x8e0 [ 33.006607] ? mark_held_locks+0xc9/0x160 [ 33.010735] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 33.016253] ? graph_lock+0x170/0x170 [ 33.020032] ? trace_hardirqs_on_caller+0x19e/0x5c0 [ 33.025030] ? __neigh_create+0x1447/0x2050 [ 33.029332] ? trace_hardirqs_on+0xd/0x10 [ 33.033462] ? __local_bh_enable_ip+0x161/0x230 [ 33.038111] ? _raw_write_unlock_bh+0x30/0x40 [ 33.042588] ? print_usage_bug+0xc0/0xc0 [ 33.046630] ? print_usage_bug+0xc0/0xc0 [ 33.050675] ? lock_downgrade+0x8e0/0x8e0 [ 33.054808] ? lock_release+0xa10/0xa10 [ 33.058767] ? memcpy+0x45/0x50 [ 33.062026] dev_queue_xmit+0x17/0x20 [ 33.065808] ? dev_queue_xmit+0x17/0x20 [ 33.069763] neigh_resolve_output+0x679/0xad0 [ 33.074244] ? __neigh_event_send+0x1240/0x1240 [ 33.078898] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 33.084070] ip6_finish_output2+0xc9c/0x2810 [ 33.088460] ? ip6_flush_pending_frames+0xc0/0xc0 [ 33.093287] ? lock_downgrade+0x8e0/0x8e0 [ 33.097416] ? kasan_check_read+0x11/0x20 [ 33.101551] ? rcu_is_watching+0x85/0x140 [ 33.105679] ? __lock_is_held+0xb5/0x140 [ 33.109724] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 33.114899] ? ip6_mtu+0x1b3/0x590 [ 33.118432] ? ip6_sk_redirect+0x130/0x130 [ 33.122648] ? kasan_check_read+0x11/0x20 [ 33.126774] ? rcu_is_watching+0x85/0x140 [ 33.130904] ip6_finish_output+0x5fe/0xbc0 [ 33.135118] ? ip6_finish_output+0x5fe/0xbc0 [ 33.139508] ip6_output+0x227/0x9b0 [ 33.143115] ? ip6_finish_output+0xbc0/0xbc0 [ 33.147505] ? __lock_is_held+0xb5/0x140 [ 33.151548] ? ndisc_alloc_skb+0x340/0x340 [ 33.155769] ndisc_send_skb+0x100d/0x1570 [ 33.159911] ? ndisc_constructor+0xc20/0xc20 [ 33.164298] ? graph_lock+0x170/0x170 [ 33.168080] ? graph_lock+0x170/0x170 [ 33.171865] ? dequeue_entity+0x3f8/0x15c0 [ 33.176170] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 33.181177] ndisc_send_ns+0x3c1/0x8d0 [ 33.185048] ? lock_downgrade+0x8e0/0x8e0 [ 33.189180] ? ndisc_netdev_event+0x560/0x560 [ 33.193658] ? kasan_check_read+0x11/0x20 [ 33.197789] ? __local_bh_enable_ip+0x161/0x230 [ 33.202438] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 33.207432] ? addrconf_dad_work+0xab5/0x1340 [ 33.211908] ? trace_hardirqs_on+0xd/0x10 [ 33.216047] addrconf_dad_work+0xbef/0x1340 [ 33.220355] ? addrconf_ifdown+0x18a0/0x18a0 [ 33.224745] ? __lock_is_held+0xb5/0x140 [ 33.228788] process_one_work+0xc1e/0x1b50 [ 33.233005] ? finish_task_switch+0x28b/0x840 [ 33.237484] ? pwq_dec_nr_in_flight+0x490/0x490 [ 33.242152] ? __schedule+0x809/0x1e30 [ 33.246024] ? find_held_lock+0x36/0x1c0 [ 33.250065] ? graph_lock+0x170/0x170 [ 33.253848] ? find_held_lock+0x36/0x1c0 [ 33.257894] ? find_held_lock+0x36/0x1c0 [ 33.261937] ? lock_acquire+0x1dc/0x520 [ 33.265888] ? worker_thread+0x41f/0x1440 [ 33.270019] ? lock_downgrade+0x8e0/0x8e0 [ 33.274148] ? lock_release+0xa10/0xa10 [ 33.278104] ? kasan_check_read+0x11/0x20 [ 33.282234] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 33.286800] worker_thread+0x1cc/0x1440 [ 33.290766] ? process_one_work+0x1b50/0x1b50 [ 33.295244] ? graph_lock+0x170/0x170 [ 33.299027] ? find_held_lock+0x36/0x1c0 [ 33.303074] ? find_held_lock+0x36/0x1c0 [ 33.307117] ? schedule+0xef/0x430 [ 33.310638] ? __schedule+0x1e30/0x1e30 [ 33.314591] ? do_raw_spin_unlock+0x9e/0x2e0 [ 33.318980] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 33.323544] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 33.329063] ? __kthread_parkme+0x111/0x1d0 [ 33.333367] ? parse_args.cold.15+0x1b3/0x1b3 [ 33.337841] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 33.342838] ? trace_hardirqs_on+0xd/0x10 [ 33.346966] kthread+0x345/0x410 [ 33.350313] ? process_one_work+0x1b50/0x1b50 [ 33.354784] ? kthread_bind+0x40/0x40 [ 33.358566] ret_from_fork+0x3a/0x50 [ 33.362713] Dumping ftrace buffer: [ 33.366231] (ftrace buffer empty) [ 33.369914] Kernel Offset: disabled [ 33.373515] Rebooting in 86400 seconds..