[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 18.470883] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 23.997224] random: sshd: uninitialized urandom read (32 bytes read) [ 24.331681] random: sshd: uninitialized urandom read (32 bytes read) [ 24.802803] random: sshd: uninitialized urandom read (32 bytes read) [ 58.677998] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.62' (ECDSA) to the list of known hosts. [ 64.273691] random: sshd: uninitialized urandom read (32 bytes read) net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 [ 64.355365] IPVS: ftp: loaded support on port[0] = 21 [ 64.490489] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.496866] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.503675] device bridge_slave_0 entered promiscuous mode [ 64.516326] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.522687] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.529672] device bridge_slave_1 entered promiscuous mode [ 64.541712] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 64.554735] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 64.585258] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 64.599853] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 64.643833] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 64.650926] team0: Port device team_slave_0 added [ 64.662274] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 64.669373] team0: Port device team_slave_1 added [ 64.681259] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready RTNETLINK answers: Operation not supported [ 64.694866] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.708483] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.722898] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 64.801284] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.807654] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.814303] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.820639] bridge0: port 1(bridge_slave_0) entered forwarding state RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument [ 65.095299] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 65.101406] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.132261] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 65.163303] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.170292] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 65.197277] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 65.203373] 8021q: adding VLAN 0 to HW filter on device team0 executing program [ 65.479225] ================================================================== [ 65.486617] BUG: KASAN: stack-out-of-bounds in vmalloc_fault+0x743/0x760 [ 65.493444] Read of size 8 at addr ffff8801a936f160 by task ksoftirqd/0/9 [ 65.500339] [ 65.501948] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.18.0-rc3+ #47 [ 65.508671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.518101] Call Trace: [ 65.520670] dump_stack+0x1c9/0x2b4 [ 65.524274] ? dump_stack_print_info.cold.2+0x52/0x52 [ 65.529439] ? printk+0xa7/0xcf [ 65.532712] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 65.537445] ? vmalloc_fault+0x743/0x760 [ 65.541491] print_address_description+0x6c/0x20b [ 65.546307] ? vmalloc_fault+0x743/0x760 [ 65.550344] kasan_report.cold.7+0x242/0x2fe [ 65.554728] __asan_report_load8_noabort+0x14/0x20 [ 65.559639] vmalloc_fault+0x743/0x760 [ 65.563508] __do_page_fault+0x829/0xe50 [ 65.567546] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 65.573061] ? fib6_node_lookup_1+0x73a/0xbb0 [ 65.577531] ? mm_fault_error+0x380/0x380 [ 65.581662] ? rt6_score_route+0x118/0x400 [ 65.585872] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 65.590872] ? find_match+0x484/0xec0 [ 65.594650] do_page_fault+0xf6/0x8c0 [ 65.598428] ? vmalloc_sync_all+0x30/0x30 [ 65.602563] ? trace_hardirqs_on+0x10/0x10 [ 65.606774] ? lock_acquire+0x1e4/0x540 [ 65.610734] ? get_page_from_freelist+0x2e60/0x4620 [ 65.615726] ? lock_acquire+0x1e4/0x540 [ 65.619679] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 65.624509] page_fault+0x1e/0x30 [ 65.627937] RIP: 0010:ebt_do_table+0x1a7/0x2170 [ 65.632581] Code: 24 04 4d 8d ac 24 80 00 00 00 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 8f 1e 00 00 <41> 8b 44 24 04 49 8d 7c 24 38 65 8b 15 28 7f 39 79 48 c1 e0 04 48 [ 65.651703] RSP: 0018:ffff8801d9ab6ab8 EFLAGS: 00010246 [ 65.657043] RAX: 0000000000000007 RBX: 0000000000000005 RCX: ffffffff81601dff [ 65.664289] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc90001e2c004 [ 65.671536] RBP: ffff8801d9ab6c88 R08: ffffed003a6f4e49 R09: ffffed003a6f4e48 [ 65.678786] R10: ffffed003a6f4e48 R11: ffff8801d37a7243 R12: ffffc90001e2c000 [ 65.686048] R13: ffffc90001e2c080 R14: ffff8801d9ab6cc0 R15: ffff8801d9394380 [ 65.693313] ? do_raw_read_lock+0x3f/0x80 [ 65.697439] ? ebt_do_table+0x145/0x2170 [ 65.701480] ? unwind_next_frame.part.7+0x1ae/0x9e0 [ 65.706470] ? find_inlist_lock.constprop.16+0x220/0x220 [ 65.711922] ? unwind_dump+0x190/0x190 [ 65.715795] ebt_broute+0x200/0x340 [ 65.719401] ? broute_net_init+0x30/0x30 [ 65.723439] ? broute_net_init+0x30/0x30 [ 65.727484] br_handle_frame+0x6d1/0x1a20 [ 65.731623] ? kfree_skb+0x1a5/0x580 [ 65.735315] ? br_handle_frame_finish+0x1960/0x1960 [ 65.740316] ? run_ksoftirqd+0x86/0x100 [ 65.744269] ? smpboot_thread_fn+0x417/0x870 [ 65.748658] ? kthread+0x345/0x410 [ 65.752175] ? ret_from_fork+0x3a/0x50 [ 65.756047] ? do_raw_spin_unlock+0xa7/0x2f0 [ 65.760429] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 65.764999] ? kasan_check_write+0x14/0x20 [ 65.769217] ? do_raw_spin_lock+0xc1/0x200 [ 65.773429] ? trace_hardirqs_off+0xd/0x10 [ 65.777648] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 65.782729] ? debug_check_no_obj_freed+0x30b/0x595 [ 65.787729] ? broute_net_init+0x30/0x30 [ 65.791767] ? quarantine_put+0x10d/0x1b0 [ 65.795899] ? __kasan_slab_free+0x131/0x170 [ 65.800288] ? trace_hardirqs_on+0xd/0x10 [ 65.804416] ? kmem_cache_free+0x22e/0x2d0 [ 65.808630] ? kfree_skbmem+0x10b/0x230 [ 65.812583] ? skb_gro_receive+0x12c0/0x12c0 [ 65.816972] ? br_handle_frame_finish+0x1960/0x1960 [ 65.821984] __netif_receive_skb_core.constprop.140+0x142d/0x3620 [ 65.828205] ? trace_hardirqs_on+0xd/0x10 [ 65.832338] ? ip6_mc_input+0x6f0/0xcf0 [ 65.836309] ? nf_ingress+0xa30/0xa30 [ 65.840094] ? ipv6_chk_mcast_addr+0x378/0x930 [ 65.844654] ? ipv6_dev_mc_dec+0x260/0x260 [ 65.848869] ? ip6_route_input_lookup+0xb9/0xd0 [ 65.853514] ? ip6_mc_input+0x45f/0xcf0 [ 65.857477] ? ipv6_rcv+0x2060/0x2060 [ 65.861263] ? sock_def_wakeup+0x3e0/0x3e0 [ 65.865478] ? lock_acquire+0x1e4/0x540 [ 65.869430] ? br_handle_frame_finish+0x1960/0x1960 [ 65.874424] ? ip6_rcv_finish+0x2b2/0xa30 [ 65.878559] ? ip6_make_skb+0x600/0x600 [ 65.882510] ? lock_downgrade+0x8f0/0x8f0 [ 65.886649] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 65.891657] ? nf_hook_slow+0x11e/0x1c0 [ 65.895614] ? ipv6_rcv+0xfe3/0x2060 [ 65.899315] ? ip6_input+0x600/0x600 [ 65.903006] ? ip6_make_skb+0x600/0x600 [ 65.906954] ? lock_release+0xa30/0xa30 [ 65.910909] ? lock_acquire+0x1e4/0x540 [ 65.914860] ? update_curr+0x4c8/0xc00 [ 65.918726] ? lock_acquire+0x1e4/0x540 [ 65.922678] ? process_backlog+0x1a6/0x760 [ 65.926892] __netif_receive_skb_one_core+0xd0/0x200 [ 65.931985] ? __netif_receive_skb_list_core+0x920/0x920 [ 65.937412] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 65.941981] __netif_receive_skb+0x2c/0x1e0 [ 65.946279] process_backlog+0x219/0x760 [ 65.950317] ? trace_hardirqs_on+0x10/0x10 [ 65.954529] net_rx_action+0x7a5/0x1950 [ 65.958483] ? lock_downgrade+0x8f0/0x8f0 [ 65.962635] ? napi_complete_done+0x6c0/0x6c0 [ 65.967107] ? reweight_task+0x130/0x130 [ 65.971144] ? do_raw_spin_lock+0xc1/0x200 [ 65.975356] ? pick_next_task_fair+0x997/0x17a0 [ 65.980002] ? lock_acquire+0x1e4/0x540 [ 65.983952] ? run_rebalance_domains+0x4c0/0x4c0 [ 65.988683] ? lock_release+0xa30/0xa30 [ 65.993495] ? finish_task_switch+0x1d3/0x890 [ 65.997982] ? lock_downgrade+0x8f0/0x8f0 [ 66.002107] ? finish_task_switch+0x18a/0x890 [ 66.006582] ? kasan_check_read+0x11/0x20 [ 66.010706] ? do_raw_spin_unlock+0xa7/0x2f0 [ 66.015091] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 66.019651] ? compat_start_thread+0x80/0x80 [ 66.024045] ? dequeue_entity+0x15e0/0x15e0 [ 66.028359] ? kasan_check_write+0x14/0x20 [ 66.032570] ? finish_task_switch+0x2ca/0x890 [ 66.037041] ? preempt_notifier_register+0x200/0x200 [ 66.042120] ? kvm_sched_clock_read+0x9/0x20 [ 66.046503] ? lock_repin_lock+0x430/0x430 [ 66.050739] ? __schedule+0x884/0x1ed0 [ 66.054605] ? __sched_text_start+0x8/0x8 [ 66.058731] ? lock_repin_lock+0x430/0x430 [ 66.062943] ? kasan_check_write+0x14/0x20 [ 66.067158] ? run_ksoftirqd+0x86/0x100 [ 66.071121] __do_softirq+0x2e8/0xb17 [ 66.074909] ? __irqentry_text_end+0x1f97a8/0x1f97a8 [ 66.079988] ? find_held_lock+0x36/0x1c0 [ 66.084033] ? schedule+0xfb/0x450 [ 66.087550] ? schedule+0xfb/0x450 [ 66.091071] ? find_held_lock+0x36/0x1c0 [ 66.095131] ? __schedule+0x1ed0/0x1ed0 [ 66.099086] ? rcu_note_context_switch+0x730/0x730 [ 66.103991] ? check_same_owner+0x340/0x340 [ 66.108289] ? takeover_tasklets+0xa60/0xa60 [ 66.112686] ? takeover_tasklets+0xa60/0xa60 [ 66.117086] run_ksoftirqd+0x86/0x100 [ 66.120863] smpboot_thread_fn+0x417/0x870 [ 66.125075] ? sort_range+0x30/0x30 [ 66.128681] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 66.133673] ? trace_hardirqs_on+0xd/0x10 [ 66.137811] kthread+0x345/0x410 [ 66.141157] ? sort_range+0x30/0x30 [ 66.144768] ? kthread_bind+0x40/0x40 [ 66.148546] ret_from_fork+0x3a/0x50 [ 66.152233] [ 66.153833] The buggy address belongs to the page: [ 66.158736] page:ffffea0006a4dbc0 count:1 mapcount:0 mapping:0000000000000000 index:0x0 [ 66.166852] flags: 0x2fffc0000000000() [ 66.170724] raw: 02fffc0000000000 dead000000000100 dead000000000200 0000000000000000 [ 66.178581] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 66.186441] page dumped because: kasan: bad access detected [ 66.192121] [ 66.193732] Memory state around the buggy address: [ 66.198637] ffff8801a936f000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 66.205985] ffff8801a936f080: 00 00 00 f1 f1 f1 f1 00 f2 f2 f2 f2 f2 f2 f2 00 [ 66.213318] >ffff8801a936f100: f2 f2 f2 f2 f2 f2 f2 00 f2 f2 f2 f2 f2 f2 f2 f8 [ 66.221431] ^ [ 66.227897] ffff8801a936f180: f2 f2 f2 f2 f2 f2 f2 00 f2 f2 f2 00 00 00 00 00 [ 66.235239] ffff8801a936f200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 66.242580] ================================================================== [ 66.249914] Kernel panic - not syncing: panic_on_warn set ... [ 66.249914] [ 66.257254] CPU: 0 PID: 9 Comm: ksoftirqd/0 Tainted: G B 4.18.0-rc3+ #47 [ 66.265377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.274704] Call Trace: [ 66.277275] dump_stack+0x1c9/0x2b4 [ 66.280880] ? dump_stack_print_info.cold.2+0x52/0x52 [ 66.286047] ? lock_downgrade+0x8f0/0x8f0 [ 66.290172] ? vmalloc_fault+0x743/0x760 [ 66.294222] panic+0x238/0x4e7 [ 66.297393] ? add_taint.cold.5+0x16/0x16 [ 66.301531] ? print_shadow_for_address+0xba/0x116 [ 66.306447] ? do_raw_spin_unlock+0xa7/0x2f0 [ 66.310832] ? vmalloc_fault+0x743/0x760 [ 66.314869] kasan_end_report+0x47/0x4f [ 66.318822] kasan_report.cold.7+0x76/0x2fe [ 66.323126] __asan_report_load8_noabort+0x14/0x20 [ 66.328034] vmalloc_fault+0x743/0x760 [ 66.331900] __do_page_fault+0x829/0xe50 [ 66.335938] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 66.341454] ? fib6_node_lookup_1+0x73a/0xbb0 [ 66.345937] ? mm_fault_error+0x380/0x380 [ 66.350058] ? rt6_score_route+0x118/0x400 [ 66.354445] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 66.359444] ? find_match+0x484/0xec0 [ 66.363220] do_page_fault+0xf6/0x8c0 [ 66.366997] ? vmalloc_sync_all+0x30/0x30 [ 66.371121] ? trace_hardirqs_on+0x10/0x10 [ 66.375344] ? lock_acquire+0x1e4/0x540 [ 66.379293] ? get_page_from_freelist+0x2e60/0x4620 [ 66.384283] ? lock_acquire+0x1e4/0x540 [ 66.388236] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 66.393055] page_fault+0x1e/0x30 [ 66.396482] RIP: 0010:ebt_do_table+0x1a7/0x2170 [ 66.401127] Code: 24 04 4d 8d ac 24 80 00 00 00 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 8f 1e 00 00 <41> 8b 44 24 04 49 8d 7c 24 38 65 8b 15 28 7f 39 79 48 c1 e0 04 48 [ 66.420244] RSP: 0018:ffff8801d9ab6ab8 EFLAGS: 00010246 [ 66.425583] RAX: 0000000000000007 RBX: 0000000000000005 RCX: ffffffff81601dff [ 66.432830] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc90001e2c004 [ 66.440080] RBP: ffff8801d9ab6c88 R08: ffffed003a6f4e49 R09: ffffed003a6f4e48 [ 66.447326] R10: ffffed003a6f4e48 R11: ffff8801d37a7243 R12: ffffc90001e2c000 [ 66.454574] R13: ffffc90001e2c080 R14: ffff8801d9ab6cc0 R15: ffff8801d9394380 [ 66.461832] ? do_raw_read_lock+0x3f/0x80 [ 66.465969] ? ebt_do_table+0x145/0x2170 [ 66.470010] ? unwind_next_frame.part.7+0x1ae/0x9e0 [ 66.475013] ? find_inlist_lock.constprop.16+0x220/0x220 [ 66.480456] ? unwind_dump+0x190/0x190 [ 66.484458] ebt_broute+0x200/0x340 [ 66.491011] ? broute_net_init+0x30/0x30 [ 66.495081] ? broute_net_init+0x30/0x30 [ 66.499147] br_handle_frame+0x6d1/0x1a20 [ 66.503295] ? kfree_skb+0x1a5/0x580 [ 66.507009] ? br_handle_frame_finish+0x1960/0x1960 [ 66.512025] ? run_ksoftirqd+0x86/0x100 [ 66.516001] ? smpboot_thread_fn+0x417/0x870 [ 66.520410] ? kthread+0x345/0x410 [ 66.523955] ? ret_from_fork+0x3a/0x50 [ 66.527845] ? do_raw_spin_unlock+0xa7/0x2f0 [ 66.532251] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 66.536837] ? kasan_check_write+0x14/0x20 [ 66.541073] ? do_raw_spin_lock+0xc1/0x200 [ 66.545310] ? trace_hardirqs_off+0xd/0x10 [ 66.549558] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 66.554662] ? debug_check_no_obj_freed+0x30b/0x595 [ 66.559676] ? broute_net_init+0x30/0x30 [ 66.563761] ? quarantine_put+0x10d/0x1b0 [ 66.567912] ? __kasan_slab_free+0x131/0x170 [ 66.572326] ? trace_hardirqs_on+0xd/0x10 [ 66.576478] ? kmem_cache_free+0x22e/0x2d0 [ 66.580716] ? kfree_skbmem+0x10b/0x230 [ 66.584691] ? skb_gro_receive+0x12c0/0x12c0 [ 66.589105] ? br_handle_frame_finish+0x1960/0x1960 [ 66.594133] __netif_receive_skb_core.constprop.140+0x142d/0x3620 [ 66.600376] ? trace_hardirqs_on+0xd/0x10 [ 66.604533] ? ip6_mc_input+0x6f0/0xcf0 [ 66.608511] ? nf_ingress+0xa30/0xa30 [ 66.612339] ? ipv6_chk_mcast_addr+0x378/0x930 [ 66.616931] ? ipv6_dev_mc_dec+0x260/0x260 [ 66.621172] ? ip6_route_input_lookup+0xb9/0xd0 [ 66.625845] ? ip6_mc_input+0x45f/0xcf0 [ 66.629828] ? ipv6_rcv+0x2060/0x2060 [ 66.633637] ? sock_def_wakeup+0x3e0/0x3e0 [ 66.637877] ? lock_acquire+0x1e4/0x540 [ 66.641853] ? br_handle_frame_finish+0x1960/0x1960 [ 66.646870] ? ip6_rcv_finish+0x2b2/0xa30 [ 66.651015] ? ip6_make_skb+0x600/0x600 [ 66.654990] ? lock_downgrade+0x8f0/0x8f0 [ 66.659143] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 66.664166] ? nf_hook_slow+0x11e/0x1c0 [ 66.668145] ? ipv6_rcv+0xfe3/0x2060 [ 66.671863] ? ip6_input+0x600/0x600 [ 66.675576] ? ip6_make_skb+0x600/0x600 [ 66.679550] ? lock_release+0xa30/0xa30 [ 66.683535] ? lock_acquire+0x1e4/0x540 [ 66.687514] ? update_curr+0x4c8/0xc00 [ 66.691411] ? lock_acquire+0x1e4/0x540 [ 66.695389] ? process_backlog+0x1a6/0x760 [ 66.699631] __netif_receive_skb_one_core+0xd0/0x200 [ 66.704735] ? __netif_receive_skb_list_core+0x920/0x920 [ 66.710189] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 66.714771] __netif_receive_skb+0x2c/0x1e0 [ 66.719101] process_backlog+0x219/0x760 [ 66.723165] ? trace_hardirqs_on+0x10/0x10 [ 66.727406] net_rx_action+0x7a5/0x1950 [ 66.731446] ? lock_downgrade+0x8f0/0x8f0 [ 66.735602] ? napi_complete_done+0x6c0/0x6c0 [ 66.740098] ? reweight_task+0x130/0x130 [ 66.744165] ? do_raw_spin_lock+0xc1/0x200 [ 66.748414] ? pick_next_task_fair+0x997/0x17a0 [ 66.753092] ? lock_acquire+0x1e4/0x540 [ 66.757074] ? run_rebalance_domains+0x4c0/0x4c0 [ 66.761828] ? lock_release+0xa30/0xa30 [ 66.765802] ? finish_task_switch+0x1d3/0x890 [ 66.770299] ? lock_downgrade+0x8f0/0x8f0 [ 66.774447] ? finish_task_switch+0x18a/0x890 [ 66.778948] ? kasan_check_read+0x11/0x20 [ 66.783095] ? do_raw_spin_unlock+0xa7/0x2f0 [ 66.787514] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 66.792098] ? compat_start_thread+0x80/0x80 [ 66.796515] ? dequeue_entity+0x15e0/0x15e0 [ 66.800862] ? kasan_check_write+0x14/0x20 [ 66.805096] ? finish_task_switch+0x2ca/0x890 [ 66.809594] ? preempt_notifier_register+0x200/0x200 [ 66.814707] ? kvm_sched_clock_read+0x9/0x20 [ 66.819124] ? lock_repin_lock+0x430/0x430 [ 66.823360] ? __schedule+0x884/0x1ed0 [ 66.827249] ? __sched_text_start+0x8/0x8 [ 66.831397] ? lock_repin_lock+0x430/0x430 [ 66.835641] ? kasan_check_write+0x14/0x20 [ 66.839877] ? run_ksoftirqd+0x86/0x100 [ 66.843854] __do_softirq+0x2e8/0xb17 [ 66.847666] ? __irqentry_text_end+0x1f97a8/0x1f97a8 [ 66.852773] ? find_held_lock+0x36/0x1c0 [ 66.856839] ? schedule+0xfb/0x450 [ 66.860393] ? schedule+0xfb/0x450 [ 66.863941] ? find_held_lock+0x36/0x1c0 [ 66.868004] ? __schedule+0x1ed0/0x1ed0 [ 66.871986] ? rcu_note_context_switch+0x730/0x730 [ 66.876914] ? check_same_owner+0x340/0x340 [ 66.881233] ? takeover_tasklets+0xa60/0xa60 [ 66.885644] ? takeover_tasklets+0xa60/0xa60 [ 66.890059] run_ksoftirqd+0x86/0x100 [ 66.893887] smpboot_thread_fn+0x417/0x870 [ 66.898125] ? sort_range+0x30/0x30 [ 66.901752] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 66.906787] ? trace_hardirqs_on+0xd/0x10 [ 66.910936] kthread+0x345/0x410 [ 66.914303] ? sort_range+0x30/0x30 [ 66.917925] ? kthread_bind+0x40/0x40 [ 66.921722] ret_from_fork+0x3a/0x50 [ 66.925878] Dumping ftrace buffer: [ 66.929396] (ftrace buffer empty) [ 66.933080] Kernel Offset: disabled [ 66.936693] Rebooting in 86400 seconds..