[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 15.884791] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. [ 16.287910] random: sshd: uninitialized urandom read (32 bytes read) [ 16.557378] random: sshd: uninitialized urandom read (32 bytes read) Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 17.231892] random: sshd: uninitialized urandom read (32 bytes read) [ 150.791006] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.20' (ECDSA) to the list of known hosts. [ 156.230363] random: sshd: uninitialized urandom read (32 bytes read) net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 [ 156.314695] IPVS: ftp: loaded support on port[0] = 21 [ 156.455597] bridge0: port 1(bridge_slave_0) entered blocking state [ 156.462040] bridge0: port 1(bridge_slave_0) entered disabled state [ 156.468902] device bridge_slave_0 entered promiscuous mode [ 156.482262] bridge0: port 2(bridge_slave_1) entered blocking state [ 156.488667] bridge0: port 2(bridge_slave_1) entered disabled state [ 156.495503] device bridge_slave_1 entered promiscuous mode [ 156.507947] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 156.521748] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 156.553455] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 156.568213] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 156.613772] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 156.620816] team0: Port device team_slave_0 added [ 156.633639] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 156.640629] team0: Port device team_slave_1 added [ 156.652405] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready RTNETLINK answers: Operation not supported [ 156.665797] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 156.679638] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 156.693585] 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 [ 156.778677] bridge0: port 2(bridge_slave_1) entered blocking state [ 156.785086] bridge0: port 2(bridge_slave_1) entered forwarding state [ 156.791670] bridge0: port 1(bridge_slave_0) entered blocking state [ 156.798026] 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 [ 157.105753] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 157.111876] 8021q: adding VLAN 0 to HW filter on device bond0 [ 157.143338] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 157.175496] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 157.182556] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 157.214390] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 157.220604] 8021q: adding VLAN 0 to HW filter on device team0 executing program [ 157.387279] FAULT_INJECTION: forcing a failure. [ 157.387279] name failslab, interval 1, probability 0, space 0, times 1 [ 157.398857] CPU: 0 PID: 4716 Comm: syz-executor331 Not tainted 4.18.0-rc3-next-20180706+ #1 [ 157.407359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 157.416698] Call Trace: [ 157.419279] dump_stack+0x1c9/0x2b4 [ 157.422894] ? dump_stack_print_info.cold.2+0x52/0x52 [ 157.428286] should_fail.cold.4+0xa/0x11 [ 157.433082] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 157.438170] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 157.443166] ? bpf_prog_kallsyms_find+0xde/0x4c0 [ 157.447908] ? try_to_wake_up+0x10a/0x12b0 [ 157.452125] ? lock_downgrade+0x8f0/0x8f0 [ 157.456262] ? trace_hardirqs_on+0x10/0x10 [ 157.460478] ? do_raw_spin_unlock+0xa7/0x2f0 [ 157.464866] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 157.469425] ? trace_hardirqs_on+0x10/0x10 [ 157.473658] ? kasan_check_write+0x14/0x20 [ 157.477871] ? do_raw_spin_lock+0xc1/0x200 [ 157.482087] ? trace_hardirqs_on+0x10/0x10 [ 157.491905] ? unwind_get_return_address+0x61/0xa0 [ 157.496944] __should_failslab+0x124/0x180 [ 157.501188] should_failslab+0x9/0x14 [ 157.504996] kmem_cache_alloc+0x47/0x760 [ 157.509063] ? trace_hardirqs_on+0x10/0x10 [ 157.513305] xas_alloc+0x38a/0x490 [ 157.516848] ? minmax_running_min+0x690/0x690 [ 157.521351] xas_create+0x3ae/0x1150 [ 157.525069] ? fs_reclaim_acquire+0x20/0x20 [ 157.529398] ? xas_descend+0x5f0/0x5f0 [ 157.533292] ? lock_acquire+0x1e4/0x540 [ 157.537264] ? percpu_ref_tryget_live+0x143/0x440 [ 157.542109] ? lock_downgrade+0x8f0/0x8f0 [ 157.546257] ? lock_release+0xa30/0xa30 [ 157.550236] ? __alloc_pages_nodemask+0x6e3/0xdb0 [ 157.555084] ? trace_hardirqs_on+0xd/0x10 [ 157.559230] ? try_charge+0xbc2/0x1680 [ 157.563117] xas_store+0xce/0x1720 [ 157.566654] ? xas_find_tagged+0x1440/0x1440 [ 157.571062] ? lock_acquire+0x1e4/0x540 [ 157.575034] ? shmem_add_to_page_cache+0x8b9/0x1450 [ 157.580047] ? xa_find_after+0x9a0/0x9a0 [ 157.584114] ? percpu_ref_put_many+0x119/0x240 [ 157.588699] ? lock_downgrade+0x8f0/0x8f0 [ 157.592847] ? xas_find_conflict+0x360/0x8d0 [ 157.597261] ? kasan_check_write+0x14/0x20 [ 157.601498] ? do_raw_spin_lock+0xc1/0x200 [ 157.605742] shmem_add_to_page_cache+0x98e/0x1450 [ 157.610628] ? shmem_write_end+0x9a0/0x9a0 [ 157.614875] ? mem_cgroup_try_charge+0x548/0xa70 [ 157.619638] ? mem_cgroup_protected+0xa60/0xa60 [ 157.624320] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 157.629970] ? shmem_alloc_and_acct_page+0x31a/0x820 [ 157.635082] ? shmem_getattr+0x2c0/0x2c0 [ 157.639175] ? trace_hardirqs_on+0x10/0x10 [ 157.643627] ? __wake_up_common_lock+0x1d0/0x330 [ 157.649163] shmem_getpage_gfp+0xaad/0x3ec0 [ 157.653500] ? shmem_writepage+0x13a0/0x13a0 [ 157.657965] ? kasan_check_write+0x14/0x20 [ 157.662203] ? do_raw_spin_lock+0xc1/0x200 [ 157.666461] ? trace_hardirqs_off+0xd/0x10 [ 157.670700] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 157.675811] ? trace_hardirqs_on+0x10/0x10 [ 157.680052] ? migrate_swap_stop+0x850/0x850 [ 157.684462] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 157.689483] ? trace_hardirqs_on+0x10/0x10 [ 157.693723] ? lock_acquire+0x1e4/0x540 [ 157.697698] ? is_bpf_text_address+0xae/0x170 [ 157.702194] ? lock_downgrade+0x8f0/0x8f0 [ 157.706341] ? lock_release+0xa30/0xa30 [ 157.710314] ? trace_hardirqs_on+0x10/0x10 [ 157.714556] ? trace_hardirqs_on+0x10/0x10 [ 157.718784] ? need_to_create_worker+0x280/0x280 [ 157.723543] ? kasan_check_read+0x11/0x20 [ 157.727741] ? do_raw_spin_unlock+0xa7/0x2f0 [ 157.732156] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 157.737175] ? bpf_prog_kallsyms_find+0xde/0x4c0 [ 157.741935] ? trace_hardirqs_on+0x10/0x10 [ 157.746170] ? lock_acquire+0x1e4/0x540 [ 157.750144] ? is_bpf_text_address+0xae/0x170 [ 157.754642] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 157.759662] ? bpf_prog_kallsyms_find+0xde/0x4c0 [ 157.764425] ? trace_hardirqs_on+0x10/0x10 [ 157.768679] ? lock_downgrade+0x8f0/0x8f0 [ 157.772831] ? trace_hardirqs_on+0x10/0x10 [ 157.777072] ? lock_acquire+0x1e4/0x540 [ 157.781048] ? simple_xattr_get+0x106/0x180 [ 157.785374] ? current_time+0x72/0x1b0 [ 157.789267] ? lock_downgrade+0x8f0/0x8f0 [ 157.793419] ? kasan_check_read+0x11/0x20 [ 157.797573] ? lock_release+0xa30/0xa30 [ 157.801556] ? kasan_check_write+0x14/0x20 [ 157.805793] ? do_raw_spin_lock+0xc1/0x200 [ 157.810033] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 157.815584] ? iov_iter_fault_in_readable+0x23d/0x460 [ 157.820789] ? copy_page_from_iter+0x890/0x890 [ 157.825382] ? __sanitizer_cov_trace_const_cmp4+0x1d/0x20 [ 157.830927] ? ktime_get_coarse_real_ts64+0x243/0x3a0 [ 157.836126] shmem_write_begin+0x10a/0x1e0 [ 157.840368] generic_perform_write+0x3ae/0x6c0 [ 157.845882] ? add_page_wait_queue+0x2c0/0x2c0 [ 157.850468] ? file_update_time+0xe4/0x640 [ 157.854736] ? current_time+0x1b0/0x1b0 [ 157.858717] ? down_write+0x8f/0x130 [ 157.862437] __generic_file_write_iter+0x26e/0x630 [ 157.867369] ? timespec64_trunc+0xea/0x180 [ 157.871608] generic_file_write_iter+0x438/0x870 [ 157.876375] ? __generic_file_write_iter+0x630/0x630 [ 157.881485] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 157.887025] ? iov_iter_init+0xc9/0x1f0 [ 157.891004] __vfs_write+0x6c6/0x9f0 [ 157.894723] ? kernel_read+0x120/0x120 [ 157.898615] ? lock_release+0xa30/0xa30 [ 157.902591] ? check_same_owner+0x340/0x340 [ 157.906917] ? __fget_light+0x2f7/0x440 [ 157.910898] ? fget_raw+0x20/0x20 [ 157.914367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 157.919908] ? __sb_start_write+0x17f/0x300 [ 157.924233] vfs_write+0x1fc/0x560 [ 157.927775] ksys_pwrite64+0x181/0x1b0 [ 157.931662] ? __ia32_sys_pread64+0xf0/0xf0 [ 157.935986] ? __sb_end_write+0xac/0xe0 [ 157.939966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 157.945503] ? do_sys_ftruncate+0x44e/0x560 [ 157.949830] __x64_sys_pwrite64+0x97/0xf0 [ 157.953982] do_syscall_64+0x1b9/0x820 [ 157.957875] ? syscall_return_slowpath+0x5e0/0x5e0 [ 157.962810] ? syscall_return_slowpath+0x31d/0x5e0 [ 157.967743] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 157.972763] ? prepare_exit_to_usermode+0x291/0x3b0 [ 157.977788] ? perf_trace_sys_enter+0xb10/0xb10 [ 157.982461] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 157.987309] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 157.992498] RIP: 0033:0x402fd3 [ 157.995683] Code: ff 0f 83 70 0a 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 1d e6 2d 00 00 75 17 49 89 ca b8 12 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 41 0a 00 00 c3 48 83 ec 08 e8 f7 00 00 00 [ 158.014934] RSP: 002b:00007fffecf43768 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 [ 158.022660] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000402fd3 [ 158.029942] RDX: 00000000000000ca RSI: 0000000020000500 RDI: 0000000000000005 [ 158.037221] RBP: 0000000000020000 R08: 0000000000000001 R09: 0000000000000000 [ 158.044496] R10: 0000000000010000 R11: 0000000000000246 R12: ffffffffffffffff [ 158.052050] R13: 0000000000000004 R14: 00007fffecf438a8 R15: 0000000000000000 [ 158.060285] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 189.463750] list_add corruption. prev->next should be next (ffff8801dae26708), but was 0000000000000000. (prev=ffff8801dae26740). [ 189.475705] ------------[ cut here ]------------ [ 189.480438] kernel BUG at lib/list_debug.c:28! [ 189.485008] invalid opcode: 0000 [#1] SMP KASAN [ 189.489662] CPU: 0 PID: 4718 Comm: loop0 Not tainted 4.18.0-rc3-next-20180706+ #1 [ 189.497260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 189.506601] RIP: 0010:__list_add_valid.cold.0+0x23/0x25 [ 189.511935] Code: e8 9f 72 57 fe eb 97 48 89 d9 48 c7 c7 60 80 1a 88 e8 72 b8 ff fd 0f 0b 48 89 f1 48 c7 c7 20 81 1a 88 48 89 de e8 5e b8 ff fd <0f> 0b 4c 89 e2 48 89 de 48 c7 c7 60 82 1a 88 e8 4a b8 ff fd 0f 0b [ 189.531067] RSP: 0000:ffff8801dae079c0 EFLAGS: 00010086 [ 189.536407] RAX: 0000000000000075 RBX: ffff8801dae26708 RCX: 0000000000000000 [ 189.543653] RDX: 0000000000000000 RSI: ffffffff81634381 RDI: 0000000000000001 [ 189.550899] RBP: ffff8801dae079d8 R08: ffff8801cfe84480 R09: ffffed003b5c4fc0 [ 189.558145] R10: ffffed003b5c4fc0 R11: ffff8801dae27e07 R12: ffff8801dae26740 [ 189.565390] R13: ffff8801dae07ab8 R14: ffff8801dae26740 R15: 0000000000000001 [ 189.572639] FS: 0000000000000000(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 [ 189.580838] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 189.586694] CR2: 0000000000606ed8 CR3: 0000000008e6a000 CR4: 00000000001406f0 [ 189.593945] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 189.601190] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 189.608433] Call Trace: [ 189.610991] [ 189.613130] ? cpu_stop_queue_work+0x114/0x460 [ 189.617700] cpu_stop_queue_work+0x248/0x460 [ 189.622086] ? cpu_stop_park+0x160/0x160 [ 189.626151] ? trace_hardirqs_off+0xd/0x10 [ 189.630366] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 189.635449] ? kasan_check_read+0x11/0x20 [ 189.639572] ? do_raw_spin_unlock+0xa7/0x2f0 [ 189.643957] ? touch_softlockup_watchdog+0x30/0x30 [ 189.648865] stop_one_cpu_nowait+0xd3/0x100 [ 189.653165] watchdog_timer_fn+0x93/0x2e0 [ 189.657292] __hrtimer_run_queues+0x3eb/0x10c0 [ 189.661866] ? softlockup_fn+0x30/0x30 [ 189.665739] ? hrtimer_start_range_ns+0xd20/0xd20 [ 189.670563] ? pvclock_read_flags+0x160/0x160 [ 189.675036] ? kvm_clock_read+0x25/0x30 [ 189.678990] ? kvm_clock_read+0x25/0x30 [ 189.682941] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 189.687934] ? ktime_get_update_offsets_now+0x3db/0x5d0 [ 189.693273] ? do_timer+0x50/0x50 [ 189.696704] ? kasan_check_read+0x11/0x20 [ 189.700829] ? rcu_nmi_exit+0xe0/0x2d0 [ 189.704694] ? do_raw_spin_lock+0xc1/0x200 [ 189.708909] hrtimer_interrupt+0x2f3/0x750 [ 189.713124] smp_apic_timer_interrupt+0x165/0x730 [ 189.717942] ? smp_call_function_single_interrupt+0x660/0x660 [ 189.723809] ? _raw_spin_unlock+0x22/0x30 [ 189.727938] ? handle_edge_irq+0x330/0x870 [ 189.732163] ? task_prio+0x50/0x50 [ 189.735686] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 189.740508] apic_timer_interrupt+0xf/0x20 [ 189.744716] [ 189.746935] RIP: 0010:xas_descend+0x283/0x5f0 [ 189.751411] Code: 00 00 48 8b 85 30 ff ff ff 48 8b 75 d0 65 48 33 34 25 28 00 00 00 0f 85 f6 02 00 00 48 81 c4 c8 00 00 00 5b 41 5c 41 5d 41 5e <41> 5f 5d c3 e8 e4 eb e2 f9 49 81 fe fd 00 00 00 0f 87 6e ff ff ff [ 189.770526] RSP: 0000:ffff8801aa516558 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 189.778214] RAX: ffffea0007187b40 RBX: ffff8801da450942 RCX: ffffffff87998de6 [ 189.785464] RDX: 0000000000000002 RSI: 0000000000000000 RDI: ffff8801aa51667a [ 189.792711] RBP: ffff8801aa516560 R08: ffff8801cfe84480 R09: fffff94000e30f6e [ 189.799956] R10: fffff94000e30f6e R11: ffffea0007187b77 R12: ffff8801da450940 [ 189.807200] R13: ffff8801aa516668 R14: 1ffff100354a2ccf R15: ffff8801aa516538 [ 189.814458] ? xas_descend+0x1f6/0x5f0 [ 189.818333] xas_load+0x145/0x1e0 [ 189.821767] find_get_entry+0x3c4/0x1120 [ 189.825808] ? filemap_map_pages+0x1990/0x1990 [ 189.830389] find_lock_entry+0xe6/0x8c0 [ 189.834342] ? find_get_entry+0x1120/0x1120 [ 189.838652] shmem_getpage_gfp+0x3cd/0x3ec0 [ 189.842955] ? shmem_writepage+0x13a0/0x13a0 [ 189.847353] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 189.852350] ? find_next_and_bit+0x165/0x1d0 [ 189.856739] ? cpumask_next_and+0x2c/0x40 [ 189.860865] ? update_sd_lb_stats+0x453/0x2c50 [ 189.865437] ? rb_erase_cached+0xc82/0x32c0 [ 189.869738] ? update_group_capacity+0xd30/0xd30 [ 189.874646] ? trace_hardirqs_on+0x10/0x10 [ 189.878864] ? trace_hardirqs_on+0x10/0x10 [ 189.883078] ? __update_load_avg_blocked_se.isra.34+0x460/0x460 [ 189.889114] ? trace_hardirqs_on+0x10/0x10 [ 189.893350] ? find_busiest_group+0x100/0x1cb0 [ 189.897908] ? update_load_avg+0x2de/0x2590 [ 189.902213] ? update_sd_lb_stats+0x2c50/0x2c50 [ 189.906861] ? load_balance+0x105e/0x3640 [ 189.910988] ? lock_downgrade+0x8f0/0x8f0 [ 189.915119] ? kasan_check_read+0x11/0x20 [ 189.919253] ? do_raw_spin_unlock+0xa7/0x2f0 [ 189.923639] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 189.928196] ? lock_repin_lock+0x430/0x430 [ 189.932411] ? do_raw_spin_lock+0xc1/0x200 [ 189.936626] ? trace_hardirqs_on+0x10/0x10 [ 189.940850] ? trace_hardirqs_off+0xd/0x10 [ 189.945062] ? load_balance+0x13cc/0x3640 [ 189.949197] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 189.953768] shmem_file_read_iter+0x399/0x1090 [ 189.958329] ? update_load_avg+0x2590/0x2590 [ 189.962716] ? shmem_fallocate+0x12e0/0x12e0 [ 189.967115] ? trace_hardirqs_on+0x10/0x10 [ 189.971327] ? reweight_entity+0x1100/0x1100 [ 189.975714] ? lock_acquire+0x1e4/0x540 [ 189.979669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 189.985185] ? fsnotify+0xbac/0x14e0 [ 189.988900] ? lock_release+0xa30/0xa30 [ 189.992852] ? fsnotify_first_mark+0x350/0x350 [ 189.997420] ? __fsnotify_parent+0xcc/0x420 [ 190.001721] do_iter_readv_writev+0x790/0xa90 [ 190.006197] ? vfs_dedupe_file_range+0x670/0x670 [ 190.010936] ? rw_verify_area+0x118/0x360 [ 190.015062] do_iter_read+0x26e/0x650 [ 190.018838] ? lock_release+0xa30/0xa30 [ 190.022793] vfs_iter_read+0x77/0xb0 [ 190.026487] loop_queue_work+0x9ce/0x3afc [ 190.030611] ? do_raw_spin_unlock+0xa7/0x2f0 [ 190.034997] ? cpu_load_update_active+0x2c0/0x2c0 [ 190.039827] ? lo_rw_aio+0x20c0/0x20c0 [ 190.043692] ? preempt_notifier_register+0x200/0x200 [ 190.048773] ? kvm_sched_clock_read+0x9/0x20 [ 190.053160] ? lock_repin_lock+0x430/0x430 [ 190.057375] ? __schedule+0x884/0x1ed0 [ 190.061248] ? finish_task_switch+0x1d3/0x870 [ 190.065732] ? __sched_text_start+0x8/0x8 [ 190.069857] ? do_raw_spin_unlock+0xa7/0x2f0 [ 190.074244] ? trace_hardirqs_on+0x10/0x10 [ 190.078458] ? kasan_check_write+0x14/0x20 [ 190.082667] ? finish_task_switch+0x2ca/0x870 [ 190.087139] ? preempt_notifier_register+0x200/0x200 [ 190.092232] ? lock_acquire+0x1e4/0x540 [ 190.096189] ? kasan_check_read+0x11/0x20 [ 190.100316] ? do_raw_spin_unlock+0xa7/0x2f0 [ 190.104701] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 190.109269] ? kasan_check_write+0x14/0x20 [ 190.113482] ? do_raw_spin_lock+0xc1/0x200 [ 190.117696] kthread_worker_fn+0x35f/0xa50 [ 190.121920] ? kthread_park+0x190/0x190 [ 190.125872] ? lock_acquire+0x1e4/0x540 [ 190.129824] ? __kthread_parkme+0xd7/0x1b0 [ 190.134041] ? lock_downgrade+0x8f0/0x8f0 [ 190.138173] ? kasan_check_read+0x11/0x20 [ 190.142301] ? do_raw_spin_unlock+0xa7/0x2f0 [ 190.146686] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 190.151244] ? kasan_check_write+0x14/0x20 [ 190.155456] ? do_raw_spin_lock+0xc1/0x200 [ 190.159668] ? trace_hardirqs_on+0xd/0x10 [ 190.163796] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 190.169314] loop_kthread_worker_fn+0x51/0x60 [ 190.173785] kthread+0x345/0x410 [ 190.177128] ? loop_get_status64+0x140/0x140 [ 190.181512] ? kthread_bind+0x40/0x40 [ 190.185300] ret_from_fork+0x3a/0x50 [ 190.188989] Modules linked in: [ 190.192167] Dumping ftrace buffer: [ 190.195684] (ftrace buffer empty) [ 190.199383] ---[ end trace d8783d2253df295e ]--- [ 190.204121] RIP: 0010:__list_add_valid.cold.0+0x23/0x25 [ 190.209454] Code: e8 9f 72 57 fe eb 97 48 89 d9 48 c7 c7 60 80 1a 88 e8 72 b8 ff fd 0f 0b 48 89 f1 48 c7 c7 20 81 1a 88 48 89 de e8 5e b8 ff fd <0f> 0b 4c 89 e2 48 89 de 48 c7 c7 60 82 1a 88 e8 4a b8 ff fd 0f 0b [ 190.228581] RSP: 0000:ffff8801dae079c0 EFLAGS: 00010086 [ 190.233931] RAX: 0000000000000075 RBX: ffff8801dae26708 RCX: 0000000000000000 [ 190.241193] RDX: 0000000000000000 RSI: ffffffff81634381 RDI: 0000000000000001 [ 190.248440] RBP: ffff8801dae079d8 R08: ffff8801cfe84480 R09: ffffed003b5c4fc0 [ 190.255686] R10: ffffed003b5c4fc0 R11: ffff8801dae27e07 R12: ffff8801dae26740 [ 190.262931] R13: ffff8801dae07ab8 R14: ffff8801dae26740 R15: 0000000000000001 [ 190.270183] FS: 0000000000000000(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 [ 190.278383] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 190.284240] CR2: 0000000000606ed8 CR3: 0000000008e6a000 CR4: 00000000001406f0 [ 190.291488] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 190.298734] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 190.305991] Kernel panic - not syncing: Fatal exception in interrupt [ 190.312906] Dumping ftrace buffer: [ 190.316431] (ftrace buffer empty) [ 190.320116] Kernel Offset: disabled [ 190.323719] Rebooting in 86400 seconds..