INIT: Id "6" respawning too fast: disabled for 5 minutes INIT: Id "1" respawning too fast: disabled for 5 minutes INIT: Id "3" respawning too fast: disabled for 5 minutes INIT: Id "5" respawning too fast: disabled for 5 minutes INIT: Id "2" respawning too fast: disabled for 5 minutes Warning: Permanently added '10.128.0.102' (ECDSA) to the list of known hosts. executing program INIT: Id "1" respawning too fast: disabled for 5 minutes INIT: Id "3" respawning too fast: disabled for 5 minutes INIT: Id "4" respawning too fast: disabled for 5 minutes INIT: Id "5" respawning too fast: disabled for 5 minutes INIT: Id "6" respawning too fast: disabled for 5 minutes INIT: Id "2" respawning too fast: disabled for 5 minutes [ 716.109038] INFO: task syz-executor333:2136 blocked for more than 140 seconds. [ 716.116491] Not tainted 4.9.181+ #9 [ 716.121315] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 716.129653] syz-executor333 D28280 2136 2132 0x00000004 [ 716.135460] 0000000000000087 ffff8801cb8117c0 0000000000000000 ffff8801db721000 [ 716.143998] ffff8801da6b2f80 ffff8801db721018 ffff8801ca03fae0 ffffffff82809e2e [ 716.152532] ffff8801cb8117c0 ffff8801cb8117c0 00ff8801ca03fa30 ffff8801db7218f0 [ 716.161030] Call Trace: [ 716.163624] [<00000000b932e7d8>] ? __schedule+0x6ce/0x1f10 [ 716.169725] [<00000000d255d70b>] ? io_schedule_timeout+0x390/0x390 [ 716.176157] [<00000000af6845ab>] ? mark_held_locks+0xb1/0x100 [ 716.182570] [<0000000092cb78bc>] ? _raw_spin_unlock_irq+0x28/0x60 [ 716.189224] [<00000000e7bb647f>] ? rwsem_down_write_failed+0x39e/0x750 [ 716.196000] [<00000000a71671d7>] schedule+0x92/0x1c0 [ 716.202370] [<000000009769c186>] rwsem_down_write_failed+0x3a3/0x750 [ 716.209264] [<00000000a964740e>] ? rwsem_down_read_failed+0x3e0/0x3e0 [ 716.215953] [<000000008704da50>] ? trace_hardirqs_on+0x10/0x10 [ 716.222464] [<000000005665581e>] ? selinux_sb_kern_mount+0xde/0x250 [ 716.229558] [<000000009b8139a7>] call_rwsem_down_write_failed+0x17/0x30 [ 716.236628] [<000000006293c5ae>] down_write+0x5c/0xa0 [ 716.242261] [<00000000e739f74b>] ? lock_mount+0x8c/0x2c0 [ 716.247813] [<00000000e739f74b>] lock_mount+0x8c/0x2c0 [ 716.253594] [<0000000085c530ee>] do_add_mount+0x27/0x340 [ 716.259486] [<00000000bd47e6bd>] do_mount+0x12ad/0x2970 [ 716.264958] [<00000000253f1c35>] ? copy_mount_string+0x40/0x40 [ 716.271418] [<000000006e382a98>] ? __check_object_size+0x252/0x38c [ 716.277839] [<00000000894c7aca>] ? memdup_user+0x78/0xb0 [ 716.283812] [<0000000033e24b94>] ? copy_mount_options+0x1dc/0x320 [ 716.290467] [<000000008073a4cc>] SyS_mount+0xab/0x120 [ 716.295763] [<00000000a73b0325>] ? copy_mnt_ns+0x8c0/0x8c0 [ 716.301919] [<00000000ec1484df>] do_syscall_64+0x1ad/0x5c0 [ 716.307654] [<00000000c98374f0>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 716.315073] [ 716.315073] Showing all locks held in the system: [ 716.321761] 2 locks held by khungtaskd/24: [ 716.326002] #0: (rcu_read_lock){......}, at: [<0000000007438fb9>] watchdog+0x14b/0xaf0 [ 716.334844] #1: (tasklist_lock){.+.+..}, at: [<000000002c5afc67>] debug_show_all_locks+0x7f/0x21f [ 716.344637] 2 locks held by getty/2041: [ 716.348601] #0: (&tty->ldisc_sem){++++++}, at: [<0000000024c567a9>] ldsem_down_read+0x33/0x40 [ 716.358004] #1: (&ldata->atomic_read_lock){+.+...}, at: [<00000000d286b6a5>] n_tty_read+0x1fe/0x1820 [ 716.368047] 1 lock held by syz-executor333/2136: [ 716.372831] #0: (&type->i_mutex_dir_key#6){++++.+}, at: [<00000000e739f74b>] lock_mount+0x8c/0x2c0 [ 716.382816] 2 locks held by syz-executor333/2137: [ 716.387654] #0: (&fc->killsb){.+.+..}, at: [<000000005aa003b6>] fuse_dev_do_write+0x1c55/0x22c0 [ 716.397232] #1: (&type->i_mutex_dir_key#6){++++.+}, at: [<000000003e3309d5>] fuse_reverse_inval_entry+0xaf/0x670 [ 716.408413] 1 lock held by syz-executor333/2139: [ 716.413183] #0: (&type->i_mutex_dir_key#6){++++.+}, at: [<00000000e739f74b>] lock_mount+0x8c/0x2c0 [ 716.423177] 1 lock held by syz-executor333/2140: [ 716.427930] #0: (&type->i_mutex_dir_key#6){++++.+}, at: [<00000000fbc4a954>] lookup_slow+0x160/0x480 [ 716.438053] [ 716.439690] ============================================= [ 716.439690] [ 716.450492] NMI backtrace for cpu 0 [ 716.454138] CPU: 0 PID: 24 Comm: khungtaskd Not tainted 4.9.181+ #9 [ 716.460534] ffff8801d98d7cc8 ffffffff81b57e21 0000000000000000 0000000000000000 [ 716.468573] 0000000000000000 ffffffff81099901 dffffc0000000000 ffff8801d98d7d00 [ 716.476716] ffffffff81b630bc 0000000000000000 0000000000000000 0000000000000000 [ 716.484785] Call Trace: [ 716.487376] [<0000000032c3cbff>] dump_stack+0xc1/0x120 [ 716.492743] [<000000000bc1d6a2>] ? irq_force_complete_move+0x241/0x300 [ 716.499498] [<00000000f3c8ffeb>] nmi_cpu_backtrace.cold+0x47/0x87 [ 716.505826] [<00000000e6988138>] ? irq_force_complete_move+0x300/0x300 [ 716.512678] [<00000000d3fedbcc>] nmi_trigger_cpumask_backtrace+0x124/0x155 [ 716.520656] [<00000000cb1fbe1d>] arch_trigger_cpumask_backtrace+0x14/0x20 [ 716.527678] [<000000001bb5c01a>] watchdog+0x670/0xaf0 [ 716.532957] [<0000000007438fb9>] ? watchdog+0x14b/0xaf0 [ 716.538422] [<00000000a059e22d>] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 716.545285] [<00000000f1c087ed>] ? hungtask_pm_notify+0x60/0x60 [ 716.551458] [<0000000098cea0f6>] kthread+0x278/0x310 [ 716.556660] [<000000007d520c92>] ? kthread_park+0xa0/0xa0 [ 716.562289] [<00000000ee563cb0>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 716.569051] [<00000000f46f2d3a>] ? _raw_spin_unlock_irq+0x39/0x60 [ 716.575374] [<0000000033318a58>] ? finish_task_switch+0x1e5/0x660 [ 716.581710] [<0000000082edc897>] ? finish_task_switch+0x1b7/0x660 [ 716.588041] [<0000000072a089e9>] ? __switch_to_asm+0x41/0x70 [ 716.593922] [<0000000048685678>] ? __switch_to_asm+0x35/0x70 [ 716.599798] [<0000000072a089e9>] ? __switch_to_asm+0x41/0x70 [ 716.605688] [<000000007d520c92>] ? kthread_park+0xa0/0xa0 [ 716.611317] [<000000007d520c92>] ? kthread_park+0xa0/0xa0 [ 716.616952] [<000000007a9eada8>] ret_from_fork+0x5c/0x70 [ 716.622813] Sending NMI from CPU 0 to CPUs 1: [ 716.627985] NMI backtrace for cpu 1 [ 716.631637] CPU: 1 PID: 2135 Comm: syz-executor333 Not tainted 4.9.181+ #9 [ 716.638659] task: 000000005baa50bf task.stack: 000000002be4b064 [ 716.644704] RIP: 0010:[] c [<000000004e2f07c1>] __lock_acquire+0x680/0x4350 [ 716.654497] RSP: 0018:ffff8801cbbbf190 EFLAGS: 00000802 [ 716.659937] RAX: dffffc0000000000 RBX: 000000000000035d RCX: 1ffff10039702124 [ 716.667292] RDX: 1ffff10039702120 RSI: ffff8801cb810900 RDI: ffffffff83ccc7b0 [ 716.674581] RBP: ffff8801cbbbf318 R08: 0000000000000001 R09: ffff8801cb810920 [ 716.681855] R10: ffff8801cb810900 R11: 0000000000000000 R12: c2709b01d5d0a1d5 [ 716.689127] R13: 000000000000035d R14: 0000000000000002 R15: ffff8801cb810000 [ 716.696414] FS: 00007f61ffc3d700(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000 [ 716.704641] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 716.710525] CR2: 00007f5dd8965000 CR3: 00000001cbb25000 CR4: 00000000001606b0 [ 716.717816] Stack: [ 716.719961] ffff8801db721000c ffff8801cbbbf1a8c 0000000000000001c ffff8801cbbbf1c0c [ 716.728195] ffffffff82819b49c ffff8801db721000c ffff8801cbbbf218c ffffffff81169345c [ 716.736690] ffffffff81169317c ffffffff8281a511c ffffffff8281a505c ffffffff83ccc780c [ 716.745954] Call Trace: [ 716.748545] [<00000000f46f2d3a>] ? _raw_spin_unlock_irq+0x39/0x60 [ 716.754877] [<0000000033318a58>] ? finish_task_switch+0x1e5/0x660 [ 716.761200] [<0000000082edc897>] ? finish_task_switch+0x1b7/0x660 [ 716.767610] [<0000000072a089e9>] ? __switch_to_asm+0x41/0x70 [ 716.773497] [<0000000048685678>] ? __switch_to_asm+0x35/0x70 [ 716.779473] [<000000008704da50>] ? trace_hardirqs_on+0x10/0x10 [ 716.785534] [<00000000ed5f0950>] ? retint_kernel+0x2d/0x2d [ 716.791241] [<00000000a059e22d>] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 716.798078] [<000000002978cbae>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 716.804655] [<00000000ee563cb0>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 716.811405] [<0000000089548341>] lock_acquire+0x133/0x3d0 [ 716.817026] [<0000000004659bd2>] ? prepare_to_wait_event+0x5f/0x750 [ 716.823514] [<0000000084cbbef0>] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 716.830439] [<00000000938cdc47>] _raw_spin_lock_irqsave+0x50/0x70 [ 716.836756] [<0000000004659bd2>] ? prepare_to_wait_event+0x5f/0x750 [ 716.844151] [<0000000004659bd2>] prepare_to_wait_event+0x5f/0x750 [ 716.850575] [<000000006ebd814f>] ? __wake_up_sync+0x10/0x10 [ 716.856374] [<000000008028e8c4>] ? __might_sleep+0x95/0x1a0 [ 716.862169] [<000000004dfeeb30>] request_wait_answer+0x249/0x820 [ 716.868395] [<0000000033ef18d0>] ? flush_bg_queue+0x390/0x390 [ 716.874380] [<00000000cbe030e3>] ? autoremove_wake_function.part.0+0x130/0x130 [ 716.881818] [<0000000034975663>] ? __fuse_request_send+0xfe/0x1b0 [ 716.888124] [<00000000a313c6e4>] __fuse_request_send+0x109/0x1b0 [ 716.894347] [<00000000dd5b5a0d>] fuse_request_send+0x63/0x70 [ 716.900242] [<0000000025c914a2>] fuse_simple_request+0x2c4/0x660 [ 716.906472] [<000000003c7e923a>] fuse_lookup_name+0x260/0x640 [ 716.912444] [<00000000735a8697>] ? fuse_valid_type+0x70/0x70 [ 716.918330] [<000000000333d688>] ? d_alloc_parallel+0x82c/0x1720 [ 716.924570] [<00000000d1bd0cb7>] ? lookup_slow+0x1b0/0x480 [ 716.930287] [<0000000078bf99ab>] fuse_lookup+0xec/0x3b0 [ 716.935844] [<000000000a38f447>] ? avc_has_perm_noaudit+0x179/0x300 [ 716.942347] [<000000005f7d1930>] ? fuse_lookup_name+0x640/0x640 [ 716.948689] [<000000001039f245>] lookup_slow+0x24b/0x480 [ 716.954222] [<00000000e2e1b09e>] ? set_root+0x430/0x430 [ 716.959668] [<000000008c09b5b5>] ? audit_inode_permission+0x320/0x320 [ 716.966327] [<00000000ee563cb0>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 716.973081] [<000000001665b58e>] ? __inode_permission2+0x9e/0x2e0 [ 716.979498] [<000000001d6fc6fe>] walk_component+0x71e/0xce0 [ 716.985315] [<00000000c889274d>] ? follow_dotdot+0x200/0x200 [ 716.991203] [<000000008a7283cc>] ? walk_component+0xce0/0xce0 [ 716.997180] [<000000008b7acf16>] path_lookupat.isra.0+0x18f/0x3f0 [ 717.003502] [<00000000b3cee808>] filename_lookup+0x1a1/0x3b0 [ 717.009468] [<0000000085d6b2e7>] ? filename_parentat.isra.0+0x3e0/0x3e0 [ 717.016306] [<00000000d7101beb>] ? check_stack_object+0x114/0x160 [ 717.022737] [<000000006e382a98>] ? __check_object_size+0x252/0x38c [ 717.029158] [<00000000a474430f>] ? strncpy_from_user+0x194/0x240 [ 717.035394] [<000000009e5bbf2c>] ? getname_flags+0x232/0x550 [ 717.041281] [<00000000c1c6dc63>] ? fsnotify+0x129/0x11d0 [ 717.046843] [<00000000f70fe0ea>] user_path_at_empty+0x43/0x50 [ 717.052912] [<00000000a59b0aaa>] vfs_fstatat+0xc6/0x170 [ 717.058371] [<000000001b900ac1>] ? vfs_fstat+0x70/0x70 [ 717.063731] [<00000000b6576c9f>] ? security_file_permission+0x8f/0x1f0 [ 717.070608] [<00000000fa3bf20d>] SyS_newstat+0x94/0x100 [ 717.076166] [<000000000968223f>] ? SyS_fstat+0x100/0x100 [ 717.081709] [<000000001fbc2060>] ? do_futex+0x1a70/0x1a70 [ 717.087346] [<00000000275fdf61>] ? vfs_copy_file_range+0x860/0x860 [ 717.093933] [<000000001a2b0867>] ? do_syscall_64+0x4a/0x5c0 [ 717.099737] [<00000000a059e22d>] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 717.106575] [<000000000968223f>] ? SyS_fstat+0x100/0x100 [ 717.112117] [<00000000ec1484df>] do_syscall_64+0x1ad/0x5c0 [ 717.117837] [<00000000c98374f0>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 717.124773] Code: c3c c02 c00 c0f c85 cae c2a c00 c00 c4d c8b ca7 ca0 c08 c00 c00 c45 c31 cdb c45 c85 cf6 c41 c0f c94 cc3 c48 cb8 c00 c00 c00 c00 c00 cfc cff cdf c4c c89 cd2 c48 cc1 cea c03 c<80> c3c c02 c00 c0f c85 c4b c29 c00 c00 c48 c8b c94 c24 c80 c00 c00 c00 c4d c89 c22 c [ 717.160109] Kernel panic - not syncing: hung_task: blocked tasks [ 717.166308] CPU: 0 PID: 24 Comm: khungtaskd Not tainted 4.9.181+ #9 [ 717.172890] ffff8801d98d7c60 ffffffff81b57e21 ffff8801cb811700 ffffffff82a7abc0 [ 717.180961] 00000000ffffffff 0000000000000000 dffffc0000000000 ffff8801d98d7d40 [ 717.189061] ffffffff813fd5da 0000000041b58ab3 ffffffff82e312d2 ffffffff813fd401 [ 717.197135] Call Trace: [ 717.199725] [<0000000032c3cbff>] dump_stack+0xc1/0x120 [ 717.205095] [<00000000f4aa50a9>] panic+0x1d9/0x3bd [ 717.210115] [<000000006062a8c6>] ? add_taint.cold+0x16/0x16 [ 717.215926] [<00000000e6988138>] ? irq_force_complete_move+0x300/0x300 [ 717.222693] [<0000000037c9f6d7>] ? ___preempt_schedule+0x16/0x18 [ 717.228939] [<00000000ee0d8ab3>] ? nmi_trigger_cpumask_backtrace+0x135/0x155 [ 717.236248] [<000000008b881d8f>] ? nmi_trigger_cpumask_backtrace+0x13f/0x155 [ 717.243536] [<000000003fd13120>] watchdog+0x681/0xaf0 [ 717.248912] [<0000000007438fb9>] ? watchdog+0x14b/0xaf0 [ 717.254362] [<00000000a059e22d>] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 717.261637] [<00000000f1c087ed>] ? hungtask_pm_notify+0x60/0x60 [ 717.267786] [<0000000098cea0f6>] kthread+0x278/0x310 [ 717.272974] [<000000007d520c92>] ? kthread_park+0xa0/0xa0 [ 717.278692] [<00000000ee563cb0>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 717.285446] [<00000000f46f2d3a>] ? _raw_spin_unlock_irq+0x39/0x60 [ 717.291762] [<0000000033318a58>] ? finish_task_switch+0x1e5/0x660 [ 717.298077] [<0000000082edc897>] ? finish_task_switch+0x1b7/0x660 [ 717.304401] [<0000000072a089e9>] ? __switch_to_asm+0x41/0x70 [ 717.310281] [<0000000048685678>] ? __switch_to_asm+0x35/0x70 [ 717.316167] [<0000000072a089e9>] ? __switch_to_asm+0x41/0x70 [ 717.322047] [<000000007d520c92>] ? kthread_park+0xa0/0xa0 [ 717.327667] [<000000007d520c92>] ? kthread_park+0xa0/0xa0 [ 717.333288] [<000000007a9eada8>] ret_from_fork+0x5c/0x70 [ 717.339219] Kernel Offset: disabled [ 717.342870] Rebooting in 86400 seconds..