[info] Using makefile-style concurrent boot in runlevel 2. [ 23.794097] audit: type=1800 audit(1537919737.516:21): pid=5190 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 23.822724] audit: type=1800 audit(1537919737.516:22): pid=5190 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="motd" dev="sda1" ino=2447 res=0 [....] 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. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.38' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 636.157626] INFO: task jbd2/sda1-8:3079 blocked for more than 140 seconds. [ 636.165041] Not tainted 4.19.0-rc5+ #254 [ 636.170012] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 636.178122] jbd2/sda1-8 D18264 3079 2 0x80000000 [ 636.183765] Call Trace: [ 636.186464] __schedule+0x86c/0x1ed0 [ 636.190344] ? __sched_text_start+0x8/0x8 [ 636.194570] ? mark_held_locks+0xc7/0x130 [ 636.198857] ? graph_lock+0x170/0x170 [ 636.202698] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 636.208911] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 636.214026] ? lockdep_hardirqs_on+0x421/0x5c0 [ 636.218786] ? trace_hardirqs_on+0xbd/0x310 [ 636.223162] ? kasan_check_read+0x11/0x20 [ 636.227342] ? prepare_to_wait+0x1b3/0x3f0 [ 636.231734] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 636.237198] ? find_held_lock+0x36/0x1c0 [ 636.241395] schedule+0xfe/0x460 [ 636.244770] ? lock_downgrade+0x900/0x900 [ 636.249057] ? __schedule+0x1ed0/0x1ed0 [ 636.253044] ? kasan_check_read+0x11/0x20 [ 636.257199] ? do_raw_spin_unlock+0xa7/0x2f0 [ 636.261761] ? do_raw_write_trylock+0x1c0/0x1c0 [ 636.266442] ? kasan_check_write+0x14/0x20 [ 636.270826] ? do_raw_spin_lock+0xc1/0x200 [ 636.275186] jbd2_journal_commit_transaction+0xd42/0x89f8 [ 636.280885] ? print_usage_bug+0xc0/0xc0 [ 636.284990] ? journal_submit_commit_record+0xb60/0xb60 [ 636.290489] ? __lock_acquire+0x7ec/0x4ec0 [ 636.294733] ? mark_held_locks+0x130/0x130 [ 636.299110] ? __update_load_avg_blocked_se+0x730/0x730 [ 636.304487] ? __update_load_avg_se+0xb90/0xb90 [ 636.309339] ? __lock_is_held+0xb5/0x140 [ 636.313484] ? update_load_avg+0x387/0x2470 [ 636.317952] ? print_usage_bug+0xc0/0xc0 [ 636.322044] ? finish_wait+0x430/0x430 [ 636.325949] ? __lock_acquire+0x7ec/0x4ec0 [ 636.330333] ? graph_lock+0x170/0x170 [ 636.334157] ? print_usage_bug+0xc0/0xc0 [ 636.339308] ? mark_held_locks+0x130/0x130 [ 636.343554] ? find_held_lock+0x36/0x1c0 [ 636.347841] ? print_usage_bug+0xc0/0xc0 [ 636.351931] ? __lock_acquire+0x7ec/0x4ec0 [ 636.356228] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 636.362172] ? kasan_check_read+0x11/0x20 [ 636.366335] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 636.371752] ? rcu_bh_qs+0xc0/0xc0 [ 636.375312] ? __lock_acquire+0x7ec/0x4ec0 [ 636.379681] ? mark_held_locks+0x130/0x130 [ 636.383927] ? update_curr+0x4ec/0xbe0 [ 636.387941] ? print_usage_bug+0xc0/0xc0 [ 636.392024] ? graph_lock+0x170/0x170 [ 636.395823] ? __account_cfs_rq_runtime+0x790/0x790 [ 636.401004] ? mark_held_locks+0x130/0x130 [ 636.405256] ? graph_lock+0x170/0x170 [ 636.409212] ? print_usage_bug+0xc0/0xc0 [ 636.413282] ? pick_next_task_fair+0xbad/0x17c0 [ 636.418094] ? lock_downgrade+0x900/0x900 [ 636.422255] ? graph_lock+0x170/0x170 [ 636.426060] ? print_usage_bug+0xc0/0xc0 [ 636.430262] ? lock_is_held_type+0x210/0x210 [ 636.434691] ? __lock_acquire+0x7ec/0x4ec0 [ 636.439076] ? find_held_lock+0x36/0x1c0 [ 636.443159] ? find_held_lock+0x36/0x1c0 [ 636.447244] ? __lock_acquire+0x7ec/0x4ec0 [ 636.451619] ? __lock_acquire+0x7ec/0x4ec0 [ 636.455868] ? kasan_check_read+0x11/0x20 [ 636.460220] ? finish_task_switch+0x1f5/0x900 [ 636.464732] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 636.471328] ? compat_start_thread+0x80/0x80 [ 636.475760] ? mark_held_locks+0x130/0x130 [ 636.480133] ? mark_held_locks+0x130/0x130 [ 636.484375] ? kasan_check_write+0x14/0x20 [ 636.488743] ? finish_task_switch+0x2f5/0x900 [ 636.493255] ? __switch_to_asm+0x40/0x70 [ 636.497317] ? graph_lock+0x170/0x170 [ 636.501270] ? preempt_notifier_register+0x200/0x200 [ 636.506382] ? __switch_to_asm+0x34/0x70 [ 636.510569] ? __switch_to_asm+0x34/0x70 [ 636.514639] ? __switch_to_asm+0x34/0x70 [ 636.518830] ? __switch_to_asm+0x40/0x70 [ 636.522901] ? __switch_to_asm+0x34/0x70 [ 636.526964] ? __switch_to_asm+0x40/0x70 [ 636.531179] ? __switch_to_asm+0x34/0x70 [ 636.535253] ? __switch_to_asm+0x34/0x70 [ 636.539482] ? __switch_to_asm+0x40/0x70 [ 636.543556] ? __switch_to_asm+0x34/0x70 [ 636.547756] ? graph_lock+0x170/0x170 [ 636.551576] ? lock_acquire+0x1ed/0x520 [ 636.555617] ? lock_timer_base+0xbb/0x2b0 [ 636.559922] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 636.565046] ? find_held_lock+0x36/0x1c0 [ 636.569245] ? try_to_del_timer_sync+0xec/0x140 [ 636.573932] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 636.579164] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 636.584277] ? lockdep_hardirqs_on+0x421/0x5c0 [ 636.589003] ? trace_hardirqs_on+0xbd/0x310 [ 636.593336] ? kasan_check_read+0x11/0x20 [ 636.598576] ? try_to_del_timer_sync+0xec/0x140 [ 636.603265] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 636.608863] ? stub_timer+0x10/0x10 [ 636.612503] ? del_timer_sync+0xf8/0x270 [ 636.616574] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 636.621824] ? try_to_del_timer_sync+0xec/0x140 [ 636.626763] ? del_timer+0x150/0x150 [ 636.630689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 636.636281] kjournald2+0x26d/0xb30 [ 636.640063] ? __bpf_trace_jbd2_end_commit+0x30/0x30 [ 636.645213] ? __kthread_parkme+0xce/0x1a0 [ 636.649584] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 636.654700] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 636.659932] ? lockdep_hardirqs_on+0x421/0x5c0 [ 636.664525] ? trace_hardirqs_on+0xbd/0x310 [ 636.669006] ? finish_wait+0x430/0x430 [ 636.672905] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 636.678497] ? kasan_check_write+0x14/0x20 [ 636.682747] ? do_raw_spin_lock+0xc1/0x200 [ 636.687000] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 636.692257] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 636.697923] ? __kthread_parkme+0xfb/0x1a0 [ 636.702176] kthread+0x35a/0x420 [ 636.705545] ? __bpf_trace_jbd2_end_commit+0x30/0x30 [ 636.710786] ? kthread_bind+0x40/0x40 [ 636.714605] ret_from_fork+0x3a/0x50 [ 636.718471] INFO: task syz-executor473:5348 blocked for more than 140 seconds. [ 636.725834] Not tainted 4.19.0-rc5+ #254 [ 636.731484] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 636.739568] syz-executor473 D21864 5348 5344 0x00000004 [ 636.745235] Call Trace: [ 636.748067] __schedule+0x86c/0x1ed0 [ 636.751791] ? retint_kernel+0x2d/0x2d [ 636.755690] ? __sched_text_start+0x8/0x8 [ 636.760280] ? rwsem_spin_on_owner+0x264/0xa30 [ 636.764875] ? graph_lock+0x170/0x170 [ 636.768807] ? lock_downgrade+0x900/0x900 [ 636.772965] ? print_usage_bug+0xc0/0xc0 [ 636.777046] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 636.782991] ? kasan_check_read+0x11/0x20 [ 636.787160] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 636.792572] ? rcu_bh_qs+0xc0/0xc0 [ 636.796133] ? find_held_lock+0x36/0x1c0 [ 636.800291] schedule+0xfe/0x460 [ 636.803660] ? __schedule+0x1ed0/0x1ed0 [ 636.807733] ? lockdep_hardirqs_on+0x421/0x5c0 [ 636.812307] ? trace_hardirqs_on+0xbd/0x310 [ 636.816610] ? kasan_check_read+0x11/0x20 [ 636.820872] ? __rwsem_down_write_failed_common+0x8db/0x1670 [ 636.826661] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 636.832180] ? kasan_check_write+0x14/0x20 [ 636.836550] ? do_raw_spin_lock+0xc1/0x200 [ 636.840880] __rwsem_down_write_failed_common+0xbb9/0x1670 [ 636.846497] ? rwsem_spin_on_owner+0xa30/0xa30 [ 636.851150] ? print_usage_bug+0xc0/0xc0 [ 636.855203] ? print_usage_bug+0xc0/0xc0 [ 636.859809] ? print_usage_bug+0xc0/0xc0 [ 636.863995] ? mark_held_locks+0x130/0x130 [ 636.868320] ? graph_lock+0x170/0x170 [ 636.872245] ? has_ns_capability_noaudit+0x1c8/0x340 [ 636.877342] ? lock_downgrade+0x900/0x900 [ 636.881582] ? find_held_lock+0x36/0x1c0 [ 636.885724] ? ima_match_policy+0x848/0x1560 [ 636.890224] ? lock_downgrade+0x900/0x900 [ 636.894387] ? check_preemption_disabled+0x48/0x200 [ 636.899474] ? graph_lock+0x170/0x170 [ 636.903269] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 636.909130] ? kasan_check_read+0x11/0x20 [ 636.913271] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 636.918611] ? rcu_bh_qs+0xc0/0xc0 [ 636.922141] ? print_usage_bug+0xc0/0xc0 [ 636.926246] ? lock_acquire+0x1ed/0x520 [ 636.930341] ? process_measurement+0x190f/0x1bf0 [ 636.935090] ? lock_release+0x970/0x970 [ 636.939142] ? arch_local_save_flags+0x40/0x40 [ 636.943714] ? ima_lsm_rule_init+0x1c0/0x1c0 [ 636.948207] rwsem_down_write_failed+0xe/0x10 [ 636.952693] ? rwsem_down_write_failed+0xe/0x10 [ 636.957344] call_rwsem_down_write_failed+0x17/0x30 [ 636.962442] down_write+0xa5/0x130 [ 636.965973] ? process_measurement+0x190f/0x1bf0 [ 636.970816] ? down_read+0x1d0/0x1d0 [ 636.974574] ? ima_get_action+0x7e/0xa0 [ 636.978642] process_measurement+0x190f/0x1bf0 [ 636.983221] ? graph_lock+0x170/0x170 [ 636.987090] ? ima_add_template_entry.cold.4+0x3c/0x3c [ 636.992943] ? find_held_lock+0x36/0x1c0 [ 636.997014] ? lock_downgrade+0x900/0x900 [ 637.001230] ? check_preemption_disabled+0x48/0x200 [ 637.006301] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 637.012214] ? kasan_check_read+0x11/0x20 [ 637.016355] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 637.021698] ? rcu_bh_qs+0xc0/0xc0 [ 637.025232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 637.030872] ? refcount_sub_and_test_checked+0x203/0x310 [ 637.036313] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 637.041877] ? aa_capable+0xe30/0xe30 [ 637.045744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 637.051416] ? do_dentry_open+0x945/0x1250 [ 637.055645] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 637.061266] ? apparmor_task_getsecid+0x96/0xd0 [ 637.065930] ima_file_check+0xe5/0x130 [ 637.069884] ? process_measurement+0x1bf0/0x1bf0 [ 637.074629] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 637.079913] path_openat+0x134d/0x5160 [ 637.083799] ? rcu_bh_qs+0xc0/0xc0 [ 637.087362] ? unwind_dump+0x190/0x190 [ 637.091449] ? path_lookupat.isra.43+0xc00/0xc00 [ 637.096207] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 637.101324] ? expand_files.part.8+0x571/0x9a0 [ 637.105906] ? __alloc_fd+0x347/0x6e0 [ 637.109797] ? lock_downgrade+0x900/0x900 [ 637.113933] ? getname+0x19/0x20 [ 637.117285] ? kasan_check_read+0x11/0x20 [ 637.122027] ? do_raw_spin_unlock+0xa7/0x2f0 [ 637.126427] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 637.131205] ? __lock_is_held+0xb5/0x140 [ 637.135276] ? _raw_spin_unlock+0x2c/0x50 [ 637.139513] ? __alloc_fd+0x347/0x6e0 [ 637.143306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 637.148922] do_filp_open+0x255/0x380 [ 637.152712] ? may_open_dev+0x100/0x100 [ 637.156787] ? strncpy_from_user+0x3be/0x510 [ 637.161298] ? digsig_verify+0x1530/0x1530 [ 637.165525] ? get_unused_fd_flags+0x122/0x1a0 [ 637.170193] ? getname_flags+0x26e/0x5a0 [ 637.174282] do_sys_open+0x568/0x700 [ 637.178073] ? filp_open+0x80/0x80 [ 637.181600] ? find_held_lock+0x36/0x1c0 [ 637.185655] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 637.191223] __x64_sys_openat+0x9d/0x100 [ 637.195331] do_syscall_64+0x1b9/0x820 [ 637.199296] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 637.204650] ? syscall_return_slowpath+0x5e0/0x5e0 [ 637.209652] ? trace_hardirqs_on_caller+0x310/0x310 [ 637.214663] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 637.219744] ? recalc_sigpending_tsk+0x180/0x180 [ 637.224489] ? kasan_check_write+0x14/0x20 [ 637.228786] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 637.233699] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 637.239048] RIP: 0033:0x445769 [ 637.242235] Code: ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 <57> fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd [ 637.261695] RSP: 002b:00007fee59c97da8 EFLAGS: 00000297 ORIG_RAX: 0000000000000101 [ 637.269493] RAX: ffffffffffffffda RBX: 00000000006dac38 RCX: 0000000000445769 [ 637.276755] RDX: 000000000000275a RSI: 0000000020000080 RDI: 00000000ffffff9c [ 637.284121] RBP: 00000000006dac30 R08: 00007fee59c98700 R09: 0000000000000000 [ 637.291461] R10: 0000000000000000 R11: 0000000000000297 R12: 00000000006dac3c [ 637.298862] R13: 0030656c69662f2e R14: 00007fee59c989c0 R15: 00000000006dad2c [ 637.306206] INFO: task syz-executor473:5349 blocked for more than 140 seconds. [ 637.313709] Not tainted 4.19.0-rc5+ #254 [ 637.318435] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 637.326390] syz-executor473 D24344 5349 5344 0x00000004 [ 637.332096] Call Trace: [ 637.334677] __schedule+0x86c/0x1ed0 [ 637.338460] ? __sched_text_start+0x8/0x8 [ 637.342611] ? graph_lock+0x170/0x170 [ 637.346399] ? print_usage_bug+0xc0/0xc0 [ 637.350552] ? graph_lock+0x170/0x170 [ 637.354345] ? print_usage_bug+0xc0/0xc0 [ 637.358845] ? find_held_lock+0x36/0x1c0 [ 637.362904] schedule+0xfe/0x460 [ 637.366255] ? __schedule+0x1ed0/0x1ed0 [ 637.370368] ? lockdep_hardirqs_on+0x421/0x5c0 [ 637.374951] ? trace_hardirqs_on+0xbd/0x310 [ 637.379366] ? kasan_check_read+0x11/0x20 [ 637.383507] ? __rwsem_down_write_failed_common+0x8db/0x1670 [ 637.389861] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 637.395310] ? kasan_check_write+0x14/0x20 [ 637.399640] ? do_raw_spin_lock+0xc1/0x200 [ 637.403869] __rwsem_down_write_failed_common+0xbb9/0x1670 [ 637.409566] ? rwsem_spin_on_owner+0xa30/0xa30 [ 637.414188] ? print_usage_bug+0xc0/0xc0 [ 637.418345] ? print_usage_bug+0xc0/0xc0 [ 637.422395] ? print_usage_bug+0xc0/0xc0 [ 637.426444] ? mark_held_locks+0x130/0x130 [ 637.430753] ? __lock_acquire+0x7ec/0x4ec0 [ 637.434993] ? graph_lock+0x170/0x170 [ 637.438878] ? __lock_acquire+0x7ec/0x4ec0 [ 637.443104] ? mark_held_locks+0x130/0x130 [ 637.447322] ? find_held_lock+0x36/0x1c0 [ 637.451474] ? ima_match_policy+0x848/0x1560 [ 637.455881] ? lock_downgrade+0x900/0x900 [ 637.460126] ? check_preemption_disabled+0x48/0x200 [ 637.465149] ? graph_lock+0x170/0x170 [ 637.469043] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 637.474828] ? kasan_check_read+0x11/0x20 [ 637.479050] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 637.484334] ? rcu_bh_qs+0xc0/0xc0 [ 637.488047] ? print_usage_bug+0xc0/0xc0 [ 637.492135] ? lock_acquire+0x1ed/0x520 [ 637.496111] ? process_measurement+0xc3e/0x1bf0 [ 637.500933] ? lock_release+0x970/0x970 [ 637.504922] ? arch_local_save_flags+0x40/0x40 [ 637.509633] ? ima_lsm_rule_init+0x1c0/0x1c0 [ 637.514059] rwsem_down_write_failed+0xe/0x10 [ 637.519993] ? rwsem_down_write_failed+0xe/0x10 [ 637.524679] call_rwsem_down_write_failed+0x17/0x30 [ 637.529843] down_write+0xa5/0x130 [ 637.533397] ? process_measurement+0xc3e/0x1bf0 [ 637.538192] ? down_read+0x1d0/0x1d0 [ 637.541921] ? ima_get_action+0x7e/0xa0 [ 637.545906] process_measurement+0xc3e/0x1bf0 [ 637.550538] ? graph_lock+0x170/0x170 [ 637.554621] ? ima_add_template_entry.cold.4+0x3c/0x3c [ 637.560062] ? find_held_lock+0x36/0x1c0 [ 637.564147] ? lock_downgrade+0x900/0x900 [ 637.568417] ? check_preemption_disabled+0x48/0x200 [ 637.573449] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 637.579387] ? kasan_check_read+0x11/0x20 [ 637.583548] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 637.588968] ? rcu_bh_qs+0xc0/0xc0 [ 637.592548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 637.598224] ? refcount_sub_and_test_checked+0x203/0x310 [ 637.603687] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 637.609272] ? aa_capable+0xe30/0xe30 [ 637.613090] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 637.618754] ? do_dentry_open+0x945/0x1250 [ 637.623020] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 637.628683] ? apparmor_task_getsecid+0x96/0xd0 [ 637.633369] ima_file_check+0xe5/0x130 [ 637.637261] ? process_measurement+0x1bf0/0x1bf0 [ 637.642155] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 637.647367] path_openat+0x134d/0x5160 [ 637.652330] ? rcu_bh_qs+0xc0/0xc0 [ 637.655880] ? unwind_dump+0x190/0x190 [ 637.659915] ? path_lookupat.isra.43+0xc00/0xc00 [ 637.665039] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 637.670208] ? expand_files.part.8+0x571/0x9a0 [ 637.674820] ? __alloc_fd+0x347/0x6e0 [ 637.678754] ? lock_downgrade+0x900/0x900 [ 637.682908] ? getname+0x19/0x20 [ 637.686285] ? kasan_check_read+0x11/0x20 [ 637.690581] ? do_raw_spin_unlock+0xa7/0x2f0 [ 637.695016] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 637.699724] ? __lock_is_held+0xb5/0x140 [ 637.703809] ? _raw_spin_unlock+0x2c/0x50 [ 637.708117] ? __alloc_fd+0x347/0x6e0 [ 637.711931] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 637.717604] do_filp_open+0x255/0x380 [ 637.721420] ? may_open_dev+0x100/0x100 [ 637.725394] ? strncpy_from_user+0x3be/0x510 [ 637.729948] ? digsig_verify+0x1530/0x1530 [ 637.734213] ? get_unused_fd_flags+0x122/0x1a0 [ 637.738946] ? getname_flags+0x26e/0x5a0 [ 637.743058] do_sys_open+0x568/0x700 [ 637.746777] ? filp_open+0x80/0x80 [ 637.750463] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 637.755843] ? trace_hardirqs_off+0xb8/0x310 [ 637.760384] __x64_sys_creat+0x61/0x80 [ 637.764287] do_syscall_64+0x1b9/0x820 [ 637.768303] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 637.773678] ? syscall_return_slowpath+0x5e0/0x5e0 [ 637.779696] ? trace_hardirqs_on_caller+0x310/0x310 [ 637.784729] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 637.789878] ? recalc_sigpending_tsk+0x180/0x180 [ 637.794645] ? kasan_check_write+0x14/0x20 [ 637.799238] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 637.804109] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 637.809438] RIP: 0033:0x445769 [ 637.812639] Code: ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 <57> fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd [ 637.831672] RSP: 002b:00007fee59c76da8 EFLAGS: 00000293 ORIG_RAX: 0000000000000055 [ 637.839525] RAX: ffffffffffffffda RBX: 00000000006dac48 RCX: 0000000000445769 [ 637.846803] RDX: 0000000000402494 RSI: 0000000000000000 RDI: 0000000020000000 [ 637.854194] RBP: 00000000006dac40 R08: 00007fee59c77700 R09: 0000000000000000 [ 637.861590] R10: 00007fee59c77700 R11: 0000000000000293 R12: 00000000006dac4c [ 637.868992] R13: 0030656c69662f2e R14: 00007fee59c779c0 R15: 00000000006dad2c [ 637.876300] INFO: task syz-executor473:5350 blocked for more than 140 seconds. [ 637.883779] Not tainted 4.19.0-rc5+ #254 [ 637.888481] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 637.896446] syz-executor473 D25648 5350 5344 0x00000004 [ 637.902222] Call Trace: [ 637.904826] __schedule+0x86c/0x1ed0 [ 637.909677] ? __switch_to_asm+0x34/0x70 [ 637.913794] ? __switch_to_asm+0x40/0x70 [ 637.918008] ? __switch_to_asm+0x34/0x70 [ 637.922089] ? __sched_text_start+0x8/0x8 [ 637.926244] ? __schedule+0x874/0x1ed0 [ 637.930269] ? rwsem_spin_on_owner+0x264/0xa30 [ 637.934861] ? graph_lock+0x170/0x170 [ 637.938790] ? print_usage_bug+0xc0/0xc0 [ 637.942876] ? __sched_text_start+0x8/0x8 [ 637.947056] ? kasan_check_read+0x11/0x20 [ 637.951363] ? rcu_bh_qs+0xc0/0xc0 [ 637.954925] ? find_held_lock+0x36/0x1c0 [ 637.959148] schedule+0xfe/0x460 [ 637.962527] ? __schedule+0x1ed0/0x1ed0 [ 637.966508] ? lockdep_hardirqs_on+0x421/0x5c0 [ 637.971271] ? trace_hardirqs_on+0xbd/0x310 [ 637.975603] ? kasan_check_read+0x11/0x20 [ 637.979879] ? __rwsem_down_write_failed_common+0x8db/0x1670 [ 637.985691] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 637.991274] ? kasan_check_write+0x14/0x20 [ 637.995521] ? do_raw_spin_lock+0xc1/0x200 [ 637.999891] __rwsem_down_write_failed_common+0xbb9/0x1670 [ 638.005539] ? rwsem_spin_on_owner+0xa30/0xa30 [ 638.010269] ? mark_held_locks+0x130/0x130 [ 638.014529] ? mark_held_locks+0x130/0x130 [ 638.018902] ? print_usage_bug+0xc0/0xc0 [ 638.023002] ? graph_lock+0x170/0x170 [ 638.026814] ? graph_lock+0x170/0x170 [ 638.030768] ? __lock_acquire+0x7ec/0x4ec0 [ 638.035029] ? find_held_lock+0x36/0x1c0 [ 638.040176] ? lock_acquire+0x1ed/0x520 [ 638.044226] ? ext4_fallocate+0x921/0x2300 [ 638.048607] ? lock_release+0x970/0x970 [ 638.052592] ? arch_local_save_flags+0x40/0x40 [ 638.057190] rwsem_down_write_failed+0xe/0x10 [ 638.061831] ? rwsem_down_write_failed+0xe/0x10 [ 638.066512] call_rwsem_down_write_failed+0x17/0x30 [ 638.071672] down_write+0xa5/0x130 [ 638.075223] ? ext4_fallocate+0x921/0x2300 [ 638.079671] ? down_read+0x1d0/0x1d0 [ 638.083411] ext4_fallocate+0x921/0x2300 [ 638.087605] ? __fget+0x4d1/0x740 [ 638.091086] ? ext4_insert_range+0x1410/0x1410 [ 638.095676] ? graph_lock+0x170/0x170 [ 638.099665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 638.105218] ? check_preemption_disabled+0x48/0x200 [ 638.110361] ? check_preemption_disabled+0x48/0x200 [ 638.115397] ? __lock_is_held+0xb5/0x140 [ 638.119602] ? rcu_read_lock_sched_held+0x108/0x120 [ 638.124633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 638.130303] ? __sb_start_write+0x1b2/0x370 [ 638.134639] ? ext4_insert_range+0x1410/0x1410 [ 638.139353] vfs_fallocate+0x4b4/0x940 [ 638.143256] ksys_fallocate+0x56/0x90 [ 638.147060] __x64_sys_fallocate+0x97/0xf0 [ 638.151439] do_syscall_64+0x1b9/0x820 [ 638.155342] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 638.160913] ? syscall_return_slowpath+0x5e0/0x5e0 [ 638.165856] ? trace_hardirqs_on_caller+0x310/0x310 [ 638.171962] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 638.177011] ? recalc_sigpending_tsk+0x180/0x180 [ 638.181894] ? kasan_check_write+0x14/0x20 [ 638.186154] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 638.191147] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 638.196344] RIP: 0033:0x445769 [ 638.199665] Code: ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 <57> fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd [ 638.218728] RSP: 002b:00007fee59c55da8 EFLAGS: 00000293 ORIG_RAX: 000000000000011d [ 638.226463] RAX: ffffffffffffffda RBX: 00000000006dac58 RCX: 0000000000445769 [ 638.233866] RDX: 0000000000000080 RSI: 0000000000000000 RDI: 0000000000000004 [ 638.241252] RBP: 00000000006dac50 R08: 00007fee59c56700 R09: 0000000000000000 [ 638.248650] R10: 0000000000000fff R11: 0000000000000293 R12: 00000000006dac5c [ 638.255943] R13: 0030656c69662f2e R14: 00007fee59c569c0 R15: 00000000006dad2c [ 638.263396] INFO: task syz-executor473:5351 blocked for more than 140 seconds. [ 638.270872] Not tainted 4.19.0-rc5+ #254 [ 638.275455] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 638.283549] syz-executor473 D25496 5351 5344 0x00000004 [ 638.289309] Call Trace: [ 638.291916] __schedule+0x86c/0x1ed0 [ 638.295637] ? __switch_to_asm+0x34/0x70 [ 638.300793] ? __switch_to_asm+0x40/0x70 [ 638.304863] ? __switch_to_asm+0x34/0x70 [ 638.309078] ? __sched_text_start+0x8/0x8 [ 638.313240] ? __schedule+0x874/0x1ed0 [ 638.317125] ? rwsem_spin_on_owner+0x264/0xa30 [ 638.321859] ? graph_lock+0x170/0x170 [ 638.325673] ? print_usage_bug+0xc0/0xc0 [ 638.329865] ? __sched_text_start+0x8/0x8 [ 638.334037] ? kasan_check_read+0x11/0x20 [ 638.338316] ? rcu_bh_qs+0xc0/0xc0 [ 638.341872] ? find_held_lock+0x36/0x1c0 [ 638.345941] schedule+0xfe/0x460 [ 638.349459] ? __schedule+0x1ed0/0x1ed0 [ 638.353457] ? lockdep_hardirqs_on+0x421/0x5c0 [ 638.358184] ? trace_hardirqs_on+0xbd/0x310 [ 638.362512] ? kasan_check_read+0x11/0x20 [ 638.366666] ? __rwsem_down_write_failed_common+0x8db/0x1670 [ 638.372627] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 638.378215] ? kasan_check_write+0x14/0x20 [ 638.382464] ? do_raw_spin_lock+0xc1/0x200 [ 638.386707] __rwsem_down_write_failed_common+0xbb9/0x1670 [ 638.392505] ? rwsem_spin_on_owner+0xa30/0xa30 [ 638.397114] ? mark_held_locks+0x130/0x130 [ 638.401487] ? mark_held_locks+0x130/0x130 [ 638.405746] ? print_usage_bug+0xc0/0xc0 [ 638.409944] ? graph_lock+0x170/0x170 [ 638.413765] ? graph_lock+0x170/0x170 [ 638.417691] ? __lock_acquire+0x7ec/0x4ec0 [ 638.421939] ? find_held_lock+0x36/0x1c0 [ 638.426023] ? lock_acquire+0x1ed/0x520 [ 638.431108] ? ext4_fallocate+0x921/0x2300 [ 638.435358] ? lock_release+0x970/0x970 [ 638.439460] ? arch_local_save_flags+0x40/0x40 [ 638.444059] rwsem_down_write_failed+0xe/0x10 [ 638.448680] ? rwsem_down_write_failed+0xe/0x10 [ 638.453357] call_rwsem_down_write_failed+0x17/0x30 [ 638.458528] down_write+0xa5/0x130 [ 638.462077] ? ext4_fallocate+0x921/0x2300 [ 638.466312] ? down_read+0x1d0/0x1d0 [ 638.470188] ext4_fallocate+0x921/0x2300 [ 638.474259] ? __fget+0x4d1/0x740 [ 638.477841] ? ext4_insert_range+0x1410/0x1410 [ 638.482439] ? graph_lock+0x170/0x170 [ 638.486247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 638.491991] ? check_preemption_disabled+0x48/0x200 [ 638.497027] ? check_preemption_disabled+0x48/0x200 [ 638.502189] ? __lock_is_held+0xb5/0x140 [ 638.506271] ? rcu_read_lock_sched_held+0x108/0x120 [ 638.511421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 638.516967] ? __sb_start_write+0x1b2/0x370 [ 638.521438] ? ext4_insert_range+0x1410/0x1410 [ 638.526037] vfs_fallocate+0x4b4/0x940 [ 638.530093] ksys_fallocate+0x56/0x90 [ 638.533911] __x64_sys_fallocate+0x97/0xf0 [ 638.538281] do_syscall_64+0x1b9/0x820 [ 638.542182] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 638.547678] ? syscall_return_slowpath+0x5e0/0x5e0 [ 638.552626] ? trace_hardirqs_on_caller+0x310/0x310 [ 638.558780] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 638.563807] ? recalc_sigpending_tsk+0x180/0x180 [ 638.568707] ? kasan_check_write+0x14/0x20 [ 638.572965] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 638.577967] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 638.583180] RIP: 0033:0x445769 [ 638.586375] Code: ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 <57> fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd [ 638.605465] RSP: 002b:00007fee59c34da8 EFLAGS: 00000297 ORIG_RAX: 000000000000011d [ 638.613316] RAX: ffffffffffffffda RBX: 00000000006dac68 RCX: 0000000000445769 [ 638.620733] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 638.628132] RBP: 00000000006dac60 R08: 00007fee59c35700 R09: 0000000000000000 [ 638.635406] R10: 0000000000010001 R11: 0000000000000297 R12: 00000000006dac6c [ 638.642803] R13: 0030656c69662f2e R14: 00007fee59c359c0 R15: 00000000006dad2c [ 638.650242] INFO: task syz-executor473:5352 blocked for more than 140 seconds. [ 638.657716] Not tainted 4.19.0-rc5+ #254 [ 638.662295] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 638.670800] syz-executor473 D23472 5352 5344 0x00000004 [ 638.676443] Call Trace: [ 638.679181] __schedule+0x86c/0x1ed0 [ 638.682907] ? __switch_to_asm+0x34/0x70 [ 638.686971] ? __switch_to_asm+0x40/0x70 [ 638.692139] ? __switch_to_asm+0x34/0x70 [ 638.696216] ? __sched_text_start+0x8/0x8 [ 638.700492] ? __schedule+0x874/0x1ed0 [ 638.704389] ? rwsem_spin_on_owner+0x264/0xa30 [ 638.709115] ? graph_lock+0x170/0x170 [ 638.712930] ? print_usage_bug+0xc0/0xc0 [ 638.717004] ? __sched_text_start+0x8/0x8 [ 638.721291] ? kasan_check_read+0x11/0x20 [ 638.725458] ? rcu_bh_qs+0xc0/0xc0 [ 638.729139] ? find_held_lock+0x36/0x1c0 [ 638.733218] schedule+0xfe/0x460 [ 638.736586] ? __schedule+0x1ed0/0x1ed0 [ 638.740695] ? lockdep_hardirqs_on+0x421/0x5c0 [ 638.745288] ? trace_hardirqs_on+0xbd/0x310 [ 638.749771] ? kasan_check_read+0x11/0x20 [ 638.753945] ? __rwsem_down_write_failed_common+0x8db/0x1670 [ 638.759920] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 638.765388] ? kasan_check_write+0x14/0x20 [ 638.769752] ? do_raw_spin_lock+0xc1/0x200 [ 638.774019] __rwsem_down_write_failed_common+0xbb9/0x1670 [ 638.779779] ? rwsem_spin_on_owner+0xa30/0xa30 [ 638.784383] ? mark_held_locks+0x130/0x130 [ 638.788789] ? print_usage_bug+0xc0/0xc0 [ 638.792861] ? graph_lock+0x170/0x170 [ 638.796692] ? __lock_is_held+0xb5/0x140 [ 638.800926] ? lock_acquire+0x1ed/0x520 [ 638.804912] ? lock_two_nondirectories+0xfb/0x120 [ 638.809883] ? lock_release+0x970/0x970 [ 638.813867] ? arch_local_save_flags+0x40/0x40 [ 638.819549] rwsem_down_write_failed+0xe/0x10 [ 638.824054] ? rwsem_down_write_failed+0xe/0x10 [ 638.828849] call_rwsem_down_write_failed+0x17/0x30 [ 638.833881] down_write+0xa5/0x130 [ 638.837549] ? lock_two_nondirectories+0xfb/0x120 [ 638.842402] ? down_read+0x1d0/0x1d0 [ 638.846115] ? print_usage_bug+0xc0/0xc0 [ 638.850322] lock_two_nondirectories+0xfb/0x120 [ 638.855089] ext4_move_extents+0x74f/0x3c20 [ 638.859565] ? __lock_acquire+0x7ec/0x4ec0 [ 638.863835] ? ext4_double_up_write_data_sem+0x30/0x30 [ 638.869245] ? __fget+0x4aa/0x740 [ 638.872709] ? lock_downgrade+0x900/0x900 [ 638.876870] ? check_preemption_disabled+0x48/0x200 [ 638.882078] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 638.888038] ? kasan_check_read+0x11/0x20 [ 638.892203] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 638.897610] ? rcu_bh_qs+0xc0/0xc0 [ 638.901177] ? __fget+0x4d1/0x740 [ 638.904643] ? ksys_dup3+0x680/0x680 [ 638.908504] ? graph_lock+0x170/0x170 [ 638.912351] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 638.918101] ? check_preemption_disabled+0x48/0x200 [ 638.923126] ? check_preemption_disabled+0x48/0x200 [ 638.928276] ? __lock_is_held+0xb5/0x140 [ 638.932359] ? rcu_read_lock_sched_held+0x108/0x120 [ 638.937377] ? preempt_count_add+0x7d/0x160 [ 638.941839] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 638.947389] ? mnt_clone_write+0x10a/0x160 [ 638.952724] ? __mnt_want_write_file+0xa2/0xc0 [ 638.957327] ext4_ioctl+0x3154/0x4210 [ 638.961279] ? ext4_ioctl_group_add+0x560/0x560 [ 638.965957] ? print_usage_bug+0xc0/0xc0 [ 638.970157] ? graph_lock+0x170/0x170 [ 638.973992] ? find_held_lock+0x36/0x1c0 [ 638.978193] ? __fget+0x4aa/0x740 [ 638.981657] ? lock_downgrade+0x900/0x900 [ 638.985809] ? check_preemption_disabled+0x48/0x200 [ 638.990972] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 638.996790] ? kasan_check_read+0x11/0x20 [ 639.001081] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 639.006370] ? rcu_bh_qs+0xc0/0xc0 [ 639.010082] ? __fget+0x4d1/0x740 [ 639.013552] ? ksys_dup3+0x680/0x680 [ 639.017285] ? ext4_ioctl_group_add+0x560/0x560 [ 639.022108] do_vfs_ioctl+0x1de/0x1720 [ 639.026026] ? ioctl_preallocate+0x300/0x300 [ 639.030578] ? __fget_light+0x2e9/0x430 [ 639.034566] ? fget_raw+0x20/0x20 [ 639.038152] ? graph_lock+0x170/0x170 [ 639.041968] ? finish_task_switch+0x1f5/0x900 [ 639.046480] ? _raw_spin_unlock_irq+0x27/0x80 [ 639.051126] ? do_syscall_64+0x9a/0x820 [ 639.055108] ? do_syscall_64+0x9a/0x820 [ 639.059206] ? lockdep_hardirqs_on+0x421/0x5c0 [ 639.063879] ? security_file_ioctl+0x94/0xc0 [ 639.068425] ksys_ioctl+0xa9/0xd0 [ 639.071892] __x64_sys_ioctl+0x73/0xb0 [ 639.075787] do_syscall_64+0x1b9/0x820 [ 639.080777] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 639.086155] ? syscall_return_slowpath+0x5e0/0x5e0 [ 639.091218] ? trace_hardirqs_on_caller+0x310/0x310 [ 639.096248] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 639.101419] ? recalc_sigpending_tsk+0x180/0x180 [ 639.106193] ? kasan_check_write+0x14/0x20 [ 639.110565] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 639.115429] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 639.120738] RIP: 0033:0x445769 [ 639.123943] Code: ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 <57> fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd ff f6 57 fd [ 639.143010] RSP: 002b:00007fee59c13da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 639.150870] RAX: ffffffffffffffda RBX: 00000000006dac78 RCX: 0000000000445769 [ 639.158255] RDX: 0000000020000040 RSI: 00000000c028660f RDI: 0000000000000003 [ 639.165533] RBP: 00000000006dac70 R08: 00007fee59c14700 R09: 0000000000000000 [ 639.172925] R10: 00007fee59c14700 R11: 0000000000000246 R12: 00000000006dac7c [ 639.180325] R13: 0030656c69662f2e R14: 00007fee59c149c0 R15: 00000000006dad2c [ 639.187730] [ 639.187730] Showing all locks held in the system: [ 639.194064] 4 locks held by kworker/u4:1/23: [ 639.198682] #0: 00000000e2afdc8c ((wq_completion)"writeback"){+.+.}, at: process_one_work+0xb43/0x1b90 [ 639.209314] #1: 0000000071ebda7e ((work_completion)(&(&wb->dwork)->work)){+.+.}, at: process_one_work+0xb9a/0x1b90 [ 639.220058] #2: 00000000d4e9b85c (&type->s_umount_key#30){++++}, at: trylock_super+0x22/0x110 [ 639.228972] #3: 00000000516d89b4 (&sbi->s_journal_flag_rwsem){.+.+}, at: do_writepages+0x9a/0x1a0 [ 639.238333] 1 lock held by khungtaskd/985: [ 639.242566] #0: 000000007a2a7cf4 (rcu_read_lock){....}, at: debug_show_all_locks+0xd0/0x424 [ 639.251354] 3 locks held by rs:main Q:Reg/5227: [ 639.256019] #0: 00000000d55ea560 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x1bb/0x200 [ 639.264158] #1: 00000000551e671f (sb_writers#3){.+.+}, at: vfs_write+0x42a/0x560 [ 639.271962] #2: 00000000c691f444 (&sb->s_type->i_mutex_key#10){+.+.}, at: ext4_file_write_iter+0x2a1/0x1420 [ 639.282133] 1 lock held by rsyslogd/5229: [ 639.286282] #0: 00000000fa66fc11 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x1bb/0x200 [ 639.294419] 2 locks held by getty/5319: [ 639.298506] #0: 000000002f5ed8f0 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 [ 639.306776] #1: 0000000074c1fa93 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 [ 639.315882] 2 locks held by getty/5320: [ 639.320024] #0: 000000003e07e922 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 [ 639.328439] #1: 0000000033d45546 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 [ 639.337320] 2 locks held by getty/5321: [ 639.342357] #0: 000000009c4c91ee (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 [ 639.350749] #1: 0000000051906950 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 [ 639.359995] 2 locks held by getty/5322: [ 639.363984] #0: 00000000a882fac2 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 [ 639.372378] #1: 00000000546933e5 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 [ 639.381373] 2 locks held by getty/5323: [ 639.385349] #0: 000000008bac5590 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 [ 639.393751] #1: 000000006fdd7d01 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 [ 639.402772] 2 locks held by getty/5324: [ 639.406748] #0: 00000000b5997cb5 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 [ 639.415142] #1: 00000000beb56778 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 [ 639.424139] 2 locks held by getty/5325: [ 639.428223] #0: 00000000b5bc4977 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 [ 639.436495] #1: 00000000581577ca (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 [ 639.445499] 6 locks held by syz-executor473/5347: [ 639.450458] 2 locks held by syz-executor473/5348: [ 639.455296] #0: 00000000551e671f (sb_writers#3){.+.+}, at: mnt_want_write+0x3f/0xc0 [ 639.463356] #1: 000000000b9c421b (&sb->s_type->i_mutex_key#10){+.+.}, at: process_measurement+0x190f/0x1bf0 [ 639.474531] 2 locks held by syz-executor473/5349: [ 639.479489] #0: 00000000551e671f (sb_writers#3){.+.+}, at: mnt_want_write+0x3f/0xc0 [ 639.487529] #1: 00000000837efd49 (&sb->s_type->i_mutex_key#10){+.+.}, at: process_measurement+0xc3e/0x1bf0 [ 639.497574] 2 locks held by syz-executor473/5350: [ 639.502413] #0: 00000000551e671f (sb_writers#3){.+.+}, at: vfs_fallocate+0x72a/0x940 [ 639.510549] #1: 00000000837efd49 (&sb->s_type->i_mutex_key#10){+.+.}, at: ext4_fallocate+0x921/0x2300 [ 639.520574] 2 locks held by syz-executor473/5351: [ 639.525416] #0: 00000000551e671f (sb_writers#3){.+.+}, at: vfs_fallocate+0x72a/0x940 [ 639.533576] #1: 000000000b9c421b (&sb->s_type->i_mutex_key#10){+.+.}, at: ext4_fallocate+0x921/0x2300 [ 639.543187] 2 locks held by syz-executor473/5352: [ 639.548140] #0: 00000000551e671f (sb_writers#3){.+.+}, at: mnt_want_write_file+0x68/0x110 [ 639.556592] #1: 000000000b9c421b (&sb->s_type->i_mutex_key#10){+.+.}, at: lock_two_nondirectories+0xfb/0x120 [ 639.566823] [ 639.568566] ============================================= [ 639.568566] [ 639.575584] NMI backtrace for cpu 0 [ 639.579266] CPU: 0 PID: 985 Comm: khungtaskd Not tainted 4.19.0-rc5+ #254 [ 639.586193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 639.595539] Call Trace: [ 639.598236] dump_stack+0x1c4/0x2b4 [ 639.601877] ? dump_stack_print_info.cold.2+0x52/0x52 [ 639.607071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 639.612620] nmi_cpu_backtrace.cold.3+0x63/0xa2 [ 639.617330] ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f [ 639.622528] nmi_trigger_cpumask_backtrace+0x1b3/0x1ed [ 639.627816] arch_trigger_cpumask_backtrace+0x14/0x20 [ 639.633015] watchdog+0xb3e/0x1050 [ 639.636571] ? reset_hung_task_detector+0xd0/0xd0 [ 639.641423] ? __kthread_parkme+0xce/0x1a0 [ 639.645674] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 639.650778] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 639.655886] ? lockdep_hardirqs_on+0x421/0x5c0 [ 639.660470] ? trace_hardirqs_on+0xbd/0x310 [ 639.665314] ? kasan_check_read+0x11/0x20 [ 639.669463] ? __kthread_parkme+0xce/0x1a0 [ 639.673704] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 639.679159] ? kasan_check_write+0x14/0x20 [ 639.683396] ? do_raw_spin_lock+0xc1/0x200 [ 639.687642] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 639.692746] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 639.698286] ? __kthread_parkme+0xfb/0x1a0 [ 639.702527] kthread+0x35a/0x420 [ 639.705893] ? reset_hung_task_detector+0xd0/0xd0 [ 639.710733] ? kthread_bind+0x40/0x40 [ 639.714537] ret_from_fork+0x3a/0x50 [ 639.718357] Sending NMI from CPU 0 to CPUs 1: [ 639.724112] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.081 msecs [ 639.724868] NMI backtrace for cpu 1 [ 639.724876] CPU: 1 PID: 5347 Comm: syz-executor473 Not tainted 4.19.0-rc5+ #254 [ 639.724883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 639.724889] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 639.724903] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 9c 09 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 639.724908] RSP: 0018:ffff8801c27271b0 EFLAGS: 00000206 [ 639.724918] RAX: ffff8801d8026300 RBX: 00000000ffffffff RCX: ffffffff821e9e3b [ 639.724924] RDX: 00000000a4d3bc36 RSI: 00000000ffffffff RDI: 0000000000000004 [ 639.724931] RBP: ffff8801c27271b0 R08: ffff8801d8026300 R09: 1ffffffff12f45ed [ 639.724937] R10: ffffed003b584732 R11: ffff8801dac23993 R12: 0000000000008002 [ 639.724943] R13: 00000000a4d3bc36 R14: ffff8801b6f91230 R15: ffff8801c27273e0 [ 639.724950] FS: 00007fee59cb9700(0000) GS:ffff8801dad00000(0000) knlGS:0000000000000000 [ 639.724956] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 639.724962] CR2: 00007fee59c76e78 CR3: 00000001d8eeb000 CR4: 00000000001406e0 [ 639.724968] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 639.724984] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 639.724988] Call Trace: [ 639.724993] mext_check_coverage.constprop.13+0x299/0x510 [ 639.725003] ? mext_page_mkuptodate+0x12b0/0x12b0 [ 639.725008] ext4_move_extents+0x2784/0x3c20 [ 639.725013] ? ext4_double_up_write_data_sem+0x30/0x30 [ 639.725017] ? __fget+0x4aa/0x740 [ 639.725021] ? lock_downgrade+0x900/0x900 [ 639.725026] ? check_preemption_disabled+0x48/0x200 [ 639.725031] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 639.725036] ? kasan_check_read+0x11/0x20 [ 639.725041] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 639.725045] ? rcu_bh_qs+0xc0/0xc0 [ 639.725049] ? __fget+0x4d1/0x740 [ 639.725053] ? ksys_dup3+0x680/0x680 [ 639.725057] ? graph_lock+0x170/0x170 [ 639.725062] ? check_preemption_disabled+0x48/0x200 [ 639.725066] ? check_preemption_disabled+0x48/0x200 [ 639.725071] ? __lock_is_held+0xb5/0x140 [ 639.725076] ? rcu_read_lock_sched_held+0x108/0x120 [ 639.725080] ? preempt_count_add+0x7d/0x160 [ 639.725085] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 639.725090] ? __mnt_want_write_file+0xa2/0xc0 [ 639.725094] ext4_ioctl+0x3154/0x4210 [ 639.725099] ? ext4_ioctl_group_add+0x560/0x560 [ 639.725103] ? graph_lock+0x170/0x170 [ 639.725107] ? do_futex+0x249/0x26d0 [ 639.725111] ? find_held_lock+0x36/0x1c0 [ 639.725116] ? find_held_lock+0x36/0x1c0 [ 639.725119] ? __fget+0x4aa/0x740 [ 639.725124] ? lock_downgrade+0x900/0x900 [ 639.725129] ? check_preemption_disabled+0x48/0x200 [ 639.725134] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 639.725138] ? kasan_check_read+0x11/0x20 [ 639.725143] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 639.725147] ? rcu_bh_qs+0xc0/0xc0 [ 639.725151] ? __fget+0x4d1/0x740 [ 639.725155] ? ksys_dup3+0x680/0x680 [ 639.725160] ? ext4_insert_range+0x1410/0x1410 [ 639.725165] ? kasan_check_write+0x14/0x20 [ 639.725169] ? find_held_lock+0x36/0x1c0 [ 639.725174] ? ext4_ioctl_group_add+0x560/0x560 [ 639.725178] do_vfs_ioctl+0x1de/0x1720 [ 639.725182] ? vfs_fallocate+0x7ab/0x940 [ 639.725187] ? ioctl_preallocate+0x300/0x300 [ 639.725191] ? __fget_light+0x2e9/0x430 [ 639.725195] ? fget_raw+0x20/0x20 [ 639.725200] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 639.725205] ? __x64_sys_futex+0x47f/0x6a0 [ 639.725209] ? do_syscall_64+0x9a/0x820 [ 639.725213] ? do_syscall_64+0x9a/0x820 [ 639.725218] ? lockdep_hardirqs_on+0x421/0x5c0 [ 639.725223] ? security_file_ioctl+0x94/0xc0 [ 639.725227] ksys_ioctl+0xa9/0xd0 [ 639.725231] __x64_sys_ioctl+0x73/0xb0 [ 639.725235] do_syscall_64+0x1b9/0x820 [ 639.725240] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 639.725245] ? syscall_return_slowpath+0x5e0/0x5e0 [ 639.725249] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 639.725254] ? trace_hardirqs_on_caller+0x310/0x310 [ 639.725259] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 639.725264] ? prepare_exit_to_usermode+0x291/0x3b0 [ 639.725269] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 639.725274] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 639.725278] RIP: 0033:0x445769 [ 639.725292] Code: e8 6c b6 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 2b 12 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 639.725297] RSP: 002b:00007fee59cb8da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 639.725308] RAX: ffffffffffffffda RBX: 00000000006dac28 RCX: 0000000000445769 [ 639.725314] RDX: 0000000020000040 RSI: 00000000c028660f RDI: 0000000000000003 [ 639.725320] RBP: 00000000006dac20 R08: 0000000000000000 R09: 0000000000000000 [ 639.725326] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dac2c [ 639.725333] R13: 0030656c69662f2e R14: 00007fee59cb99c0 R15: 00000000006dad2c [ 639.727603] Kernel panic - not syncing: hung_task: blocked tasks [ 640.203796] CPU: 0 PID: 985 Comm: khungtaskd Not tainted 4.19.0-rc5+ #254 [ 640.210715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 640.220062] Call Trace: [ 640.222655] dump_stack+0x1c4/0x2b4 [ 640.226289] ? dump_stack_print_info.cold.2+0x52/0x52 [ 640.231493] panic+0x238/0x4e7 [ 640.234684] ? add_taint.cold.5+0x16/0x16 [ 640.238842] ? nmi_trigger_cpumask_backtrace+0x16a/0x1ed [ 640.244299] ? nmi_trigger_cpumask_backtrace+0x1c4/0x1ed [ 640.249751] ? nmi_trigger_cpumask_backtrace+0x173/0x1ed [ 640.255206] ? nmi_trigger_cpumask_backtrace+0x16a/0x1ed [ 640.260667] watchdog+0xb4f/0x1050 [ 640.264223] ? reset_hung_task_detector+0xd0/0xd0 [ 640.269078] ? __kthread_parkme+0xce/0x1a0 [ 640.273321] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 640.278425] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 640.283535] ? lockdep_hardirqs_on+0x421/0x5c0 [ 640.288119] ? trace_hardirqs_on+0xbd/0x310 [ 640.292440] ? kasan_check_read+0x11/0x20 [ 640.296585] ? __kthread_parkme+0xce/0x1a0 [ 640.300821] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 640.306274] ? kasan_check_write+0x14/0x20 [ 640.310509] ? do_raw_spin_lock+0xc1/0x200 [ 640.314754] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 640.319862] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 640.325398] ? __kthread_parkme+0xfb/0x1a0 [ 640.329637] kthread+0x35a/0x420 [ 640.333019] ? reset_hung_task_detector+0xd0/0xd0 [ 640.337863] ? kthread_bind+0x40/0x40 [ 640.341666] ret_from_fork+0x3a/0x50 [ 640.346594] Kernel Offset: disabled [ 640.350251] Rebooting in 86400 seconds..