[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.132' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 46.475522] IPVS: ftp: loaded support on port[0] = 21 [ 46.518330] FAULT_INJECTION: forcing a failure. [ 46.518330] name failslab, interval 1, probability 0, space 0, times 1 [ 46.529690] CPU: 0 PID: 8000 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 46.537566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.546895] Call Trace: [ 46.549460] dump_stack+0x1b2/0x281 [ 46.553084] should_fail.cold+0x10a/0x149 [ 46.557209] should_failslab+0xd6/0x130 [ 46.561161] kmem_cache_alloc_trace+0x29a/0x3d0 [ 46.565812] ? dev_uevent_filter+0xd0/0xd0 [ 46.570028] kobject_uevent_env+0x20c/0xf30 [ 46.574337] ? wait_for_completion_io+0x10/0x10 [ 46.578988] ? is_acpi_device_node+0x5b/0x70 [ 46.583370] device_del+0x642/0xa80 [ 46.586973] ? __device_links_no_driver+0x1b0/0x1b0 [ 46.591969] device_unregister+0x22/0xc0 [ 46.596005] bdi_unregister+0x42f/0x610 [ 46.599956] ? wb_blkcg_offline+0x180/0x180 [ 46.604252] ? generic_shutdown_super+0x276/0x370 [ 46.609072] ? lock_acquire+0x170/0x3f0 [ 46.613021] ? lock_downgrade+0x740/0x740 [ 46.617144] bdi_put+0x127/0x160 [ 46.620489] generic_shutdown_super+0x2aa/0x370 [ 46.625134] kill_anon_super+0x36/0x90 [ 46.628996] deactivate_locked_super+0x6c/0xd0 [ 46.633552] deactivate_super+0x7f/0xa0 [ 46.637501] cleanup_mnt+0x186/0x2c0 [ 46.641191] task_work_run+0x11f/0x190 [ 46.645056] exit_to_usermode_loop+0x1ad/0x200 [ 46.649612] ? SyS_mount+0xd1/0x120 [ 46.653215] do_syscall_64+0x4a3/0x640 [ 46.657080] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 46.662243] RIP: 0033:0x7ff216918509 executing program [ 46.665931] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 46.673615] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 46.680862] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 46.688108] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 46.695350] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 46.702602] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 0000000000000000 [ 46.717784] FAULT_INJECTION: forcing a failure. [ 46.717784] name failslab, interval 1, probability 0, space 0, times 0 [ 46.731406] CPU: 0 PID: 8003 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 46.739293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.748628] Call Trace: [ 46.751199] dump_stack+0x1b2/0x281 [ 46.754806] should_fail.cold+0x10a/0x149 [ 46.758933] should_failslab+0xd6/0x130 [ 46.762895] kmem_cache_alloc_trace+0x29a/0x3d0 [ 46.767552] ? kobj_ns_drop+0x80/0x80 [ 46.771338] call_usermodehelper_setup+0x73/0x2e0 [ 46.776163] kobject_uevent_env+0xc21/0xf30 [ 46.780471] device_del+0x642/0xa80 [ 46.784080] ? __device_links_no_driver+0x1b0/0x1b0 [ 46.789077] device_unregister+0x22/0xc0 [ 46.793117] bdi_unregister+0x42f/0x610 [ 46.797073] ? wb_blkcg_offline+0x180/0x180 [ 46.801371] ? generic_shutdown_super+0x276/0x370 [ 46.806204] ? lock_acquire+0x170/0x3f0 [ 46.810163] ? lock_downgrade+0x740/0x740 [ 46.814289] bdi_put+0x127/0x160 [ 46.817642] generic_shutdown_super+0x2aa/0x370 [ 46.822306] kill_anon_super+0x36/0x90 [ 46.826170] deactivate_locked_super+0x6c/0xd0 [ 46.830735] deactivate_super+0x7f/0xa0 [ 46.834685] cleanup_mnt+0x186/0x2c0 [ 46.838379] task_work_run+0x11f/0x190 [ 46.842248] exit_to_usermode_loop+0x1ad/0x200 [ 46.846809] ? SyS_mount+0xd1/0x120 [ 46.850411] do_syscall_64+0x4a3/0x640 [ 46.854277] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 46.859440] RIP: 0033:0x7ff216918509 executing program [ 46.863124] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 46.870807] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 46.878054] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 46.885299] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 46.892543] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 46.899789] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 46.917263] FAULT_INJECTION: forcing a failure. [ 46.917263] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 46.931253] CPU: 0 PID: 8006 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 46.939131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.948470] Call Trace: [ 46.951044] dump_stack+0x1b2/0x281 [ 46.954652] should_fail.cold+0x10a/0x149 [ 46.958788] __alloc_pages_nodemask+0x22c/0x2720 [ 46.963522] ? __read_once_size_nocheck.constprop.0+0x10/0x10 [ 46.969385] ? trace_hardirqs_on+0x10/0x10 [ 46.973608] ? deref_stack_reg+0x124/0x1a0 [ 46.977824] ? __read_once_size_nocheck.constprop.0+0x10/0x10 [ 46.983684] ? __save_stack_trace+0x63/0x160 [ 46.988067] ? deref_stack_reg+0x124/0x1a0 [ 46.992278] ? unwind_next_frame+0xe54/0x17d0 [ 46.996752] ? __save_stack_trace+0x63/0x160 [ 47.001139] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 47.005958] ? is_bpf_text_address+0x91/0x150 [ 47.010431] ? is_bpf_text_address+0xb8/0x150 [ 47.014907] ? kernel_text_address+0xbd/0xf0 [ 47.019294] ? __lock_acquire+0x5fc/0x3f20 [ 47.023504] alloc_pages_current+0x155/0x260 [ 47.027899] depot_save_stack+0x3ae/0x3f0 [ 47.032029] kasan_kmalloc+0x139/0x160 [ 47.035889] ? kasan_kmalloc+0xeb/0x160 [ 47.039846] ? kmem_cache_alloc_trace+0x11b/0x3d0 [ 47.044666] ? call_usermodehelper_setup+0x73/0x2e0 [ 47.049657] ? kobject_uevent_env+0xc21/0xf30 [ 47.054127] ? device_del+0x642/0xa80 [ 47.057900] ? device_unregister+0x22/0xc0 [ 47.062132] ? bdi_unregister+0x42f/0x610 [ 47.066254] ? bdi_put+0x127/0x160 [ 47.069771] ? generic_shutdown_super+0x2aa/0x370 [ 47.074676] ? kill_anon_super+0x36/0x90 [ 47.078725] ? deactivate_locked_super+0x6c/0xd0 [ 47.083456] ? deactivate_super+0x7f/0xa0 [ 47.087580] ? cleanup_mnt+0x186/0x2c0 [ 47.091440] ? task_work_run+0x11f/0x190 [ 47.095480] ? exit_to_usermode_loop+0x1ad/0x200 [ 47.100311] ? do_syscall_64+0x4a3/0x640 [ 47.104347] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 47.109706] ? trace_hardirqs_on+0x10/0x10 [ 47.113916] ? set_precision+0x150/0x150 [ 47.117955] ? memcpy+0x35/0x50 [ 47.121209] ? vsnprintf+0x260/0x1340 [ 47.124986] ? fs_reclaim_release+0xd0/0x110 [ 47.129371] ? kmem_cache_alloc_trace+0x2d4/0x3d0 [ 47.134190] kmem_cache_alloc_trace+0x11b/0x3d0 [ 47.138835] ? kobj_ns_drop+0x80/0x80 [ 47.142616] call_usermodehelper_setup+0x73/0x2e0 [ 47.147439] kobject_uevent_env+0xc21/0xf30 [ 47.151754] device_del+0x642/0xa80 [ 47.155363] ? __device_links_no_driver+0x1b0/0x1b0 [ 47.160355] device_unregister+0x22/0xc0 [ 47.164394] bdi_unregister+0x42f/0x610 [ 47.168341] ? wb_blkcg_offline+0x180/0x180 [ 47.172638] ? generic_shutdown_super+0x276/0x370 [ 47.177454] ? lock_acquire+0x170/0x3f0 [ 47.181402] ? lock_downgrade+0x740/0x740 [ 47.185527] bdi_put+0x127/0x160 [ 47.188870] generic_shutdown_super+0x2aa/0x370 [ 47.193514] kill_anon_super+0x36/0x90 [ 47.197383] deactivate_locked_super+0x6c/0xd0 [ 47.201949] deactivate_super+0x7f/0xa0 [ 47.205902] cleanup_mnt+0x186/0x2c0 [ 47.209616] task_work_run+0x11f/0x190 [ 47.213487] exit_to_usermode_loop+0x1ad/0x200 [ 47.218047] ? SyS_mount+0xd1/0x120 [ 47.221656] do_syscall_64+0x4a3/0x640 [ 47.225522] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 47.230688] RIP: 0033:0x7ff216918509 [ 47.234376] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 47.242063] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 47.249319] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 47.256565] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 47.263822] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 executing program [ 47.271074] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 47.286256] FAULT_INJECTION: forcing a failure. [ 47.286256] name failslab, interval 1, probability 0, space 0, times 0 [ 47.300344] CPU: 0 PID: 8010 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 47.308226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.317561] Call Trace: [ 47.320130] dump_stack+0x1b2/0x281 [ 47.323773] should_fail.cold+0x10a/0x149 [ 47.327897] should_failslab+0xd6/0x130 [ 47.331847] kmem_cache_alloc_trace+0x29a/0x3d0 [ 47.336582] ? kobj_ns_drop+0x80/0x80 [ 47.340358] call_usermodehelper_setup+0x73/0x2e0 [ 47.345180] kobject_uevent_env+0xc21/0xf30 [ 47.349482] device_del+0x642/0xa80 [ 47.353086] ? __device_links_no_driver+0x1b0/0x1b0 [ 47.358077] device_unregister+0x22/0xc0 [ 47.362124] bdi_unregister+0x42f/0x610 [ 47.366079] ? wb_blkcg_offline+0x180/0x180 [ 47.370376] ? generic_shutdown_super+0x276/0x370 [ 47.375195] ? lock_acquire+0x170/0x3f0 [ 47.379142] ? lock_downgrade+0x740/0x740 [ 47.383265] bdi_put+0x127/0x160 [ 47.386607] generic_shutdown_super+0x2aa/0x370 [ 47.391251] kill_anon_super+0x36/0x90 [ 47.395113] deactivate_locked_super+0x6c/0xd0 [ 47.399673] deactivate_super+0x7f/0xa0 [ 47.403625] cleanup_mnt+0x186/0x2c0 [ 47.407316] task_work_run+0x11f/0x190 [ 47.411180] exit_to_usermode_loop+0x1ad/0x200 [ 47.415739] ? SyS_mount+0xd1/0x120 [ 47.419340] do_syscall_64+0x4a3/0x640 [ 47.423205] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 47.428367] RIP: 0033:0x7ff216918509 [ 47.432051] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 47.439735] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 47.446977] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 47.454223] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 47.461465] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 executing program [ 47.468711] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 47.483729] FAULT_INJECTION: forcing a failure. [ 47.483729] name failslab, interval 1, probability 0, space 0, times 0 [ 47.495375] CPU: 0 PID: 8013 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 47.503246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.512574] Call Trace: [ 47.515137] dump_stack+0x1b2/0x281 [ 47.518744] should_fail.cold+0x10a/0x149 [ 47.522871] should_failslab+0xd6/0x130 [ 47.526821] kmem_cache_alloc_trace+0x29a/0x3d0 [ 47.531465] ? kobj_ns_drop+0x80/0x80 [ 47.535243] call_usermodehelper_setup+0x73/0x2e0 [ 47.540062] kobject_uevent_env+0xc21/0xf30 [ 47.544363] device_del+0x642/0xa80 [ 47.547966] ? __device_links_no_driver+0x1b0/0x1b0 [ 47.552958] device_unregister+0x22/0xc0 [ 47.556995] bdi_unregister+0x42f/0x610 [ 47.560945] ? wb_blkcg_offline+0x180/0x180 [ 47.565240] ? generic_shutdown_super+0x276/0x370 [ 47.570060] ? lock_acquire+0x170/0x3f0 [ 47.574011] ? lock_downgrade+0x740/0x740 [ 47.578135] bdi_put+0x127/0x160 [ 47.581477] generic_shutdown_super+0x2aa/0x370 [ 47.586121] kill_anon_super+0x36/0x90 [ 47.589984] deactivate_locked_super+0x6c/0xd0 [ 47.594546] deactivate_super+0x7f/0xa0 [ 47.598494] cleanup_mnt+0x186/0x2c0 [ 47.602184] task_work_run+0x11f/0x190 [ 47.606050] exit_to_usermode_loop+0x1ad/0x200 [ 47.610613] ? SyS_mount+0xd1/0x120 [ 47.614217] do_syscall_64+0x4a3/0x640 executing program [ 47.618169] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 47.623334] RIP: 0033:0x7ff216918509 [ 47.627018] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 47.634701] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 47.641944] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 47.649187] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 47.656431] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 47.663676] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 47.677988] FAULT_INJECTION: forcing a failure. [ 47.677988] name failslab, interval 1, probability 0, space 0, times 0 [ 47.689285] CPU: 0 PID: 8016 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 47.697150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.706476] Call Trace: [ 47.709044] dump_stack+0x1b2/0x281 [ 47.712650] should_fail.cold+0x10a/0x149 [ 47.716774] should_failslab+0xd6/0x130 [ 47.720726] kmem_cache_alloc_trace+0x29a/0x3d0 [ 47.725370] ? kobj_ns_drop+0x80/0x80 [ 47.729145] call_usermodehelper_setup+0x73/0x2e0 [ 47.733964] kobject_uevent_env+0xc21/0xf30 [ 47.738263] device_del+0x642/0xa80 [ 47.741866] ? __device_links_no_driver+0x1b0/0x1b0 [ 47.746858] device_unregister+0x22/0xc0 [ 47.750896] bdi_unregister+0x42f/0x610 [ 47.754845] ? wb_blkcg_offline+0x180/0x180 [ 47.759140] ? generic_shutdown_super+0x276/0x370 [ 47.763957] ? lock_acquire+0x170/0x3f0 [ 47.767904] ? lock_downgrade+0x740/0x740 [ 47.772027] bdi_put+0x127/0x160 [ 47.775368] generic_shutdown_super+0x2aa/0x370 [ 47.780012] kill_anon_super+0x36/0x90 [ 47.783875] deactivate_locked_super+0x6c/0xd0 [ 47.788434] deactivate_super+0x7f/0xa0 [ 47.792385] cleanup_mnt+0x186/0x2c0 [ 47.796074] task_work_run+0x11f/0x190 [ 47.799939] exit_to_usermode_loop+0x1ad/0x200 [ 47.804493] ? SyS_mount+0xd1/0x120 [ 47.808095] do_syscall_64+0x4a3/0x640 [ 47.811967] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 47.817137] RIP: 0033:0x7ff216918509 [ 47.820823] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 executing program [ 47.828507] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 47.835755] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 47.842999] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 47.850242] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 47.857487] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 47.872108] FAULT_INJECTION: forcing a failure. [ 47.872108] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 47.884484] CPU: 0 PID: 8019 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 47.892370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.901708] Call Trace: [ 47.904277] dump_stack+0x1b2/0x281 [ 47.907883] should_fail.cold+0x10a/0x149 [ 47.912024] __alloc_pages_nodemask+0x22c/0x2720 [ 47.916757] ? unwind_next_frame+0xe54/0x17d0 [ 47.921231] ? __lock_acquire+0x5fc/0x3f20 [ 47.925444] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 47.930271] ? __lock_acquire+0x5fc/0x3f20 [ 47.934486] alloc_pages_vma+0xd2/0x6d0 [ 47.938442] wp_page_copy+0x1f5/0x25c0 [ 47.942315] ? tlb_flush_mmu_free+0x1a0/0x1a0 [ 47.946785] ? __lock_acquire+0x5fc/0x3f20 [ 47.950996] do_wp_page+0x245/0x1db0 [ 47.954687] ? __handle_mm_fault+0x129c/0x4620 [ 47.959256] ? finish_mkwrite_fault+0x5e0/0x5e0 [ 47.963907] __handle_mm_fault+0x234f/0x4620 [ 47.968294] ? vm_insert_page+0x7c0/0x7c0 [ 47.972419] ? lock_acquire+0x170/0x3f0 executing program [ 47.976379] ? mark_held_locks+0xa6/0xf0 [ 47.980417] handle_mm_fault+0x455/0x9c0 [ 47.984460] __do_page_fault+0x549/0xad0 [ 47.988507] ? spurious_fault+0x640/0x640 [ 47.992633] ? do_page_fault+0x60/0x500 [ 47.996584] ? page_fault+0x2f/0x50 [ 48.000186] page_fault+0x45/0x50 [ 48.003615] RIP: 0001:0x7ffc9b2b74f0 [ 48.007299] RSP: 16989140:0000000000000000 EFLAGS: 00000000 [ 48.008464] Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF [ 48.026137] FAULT_INJECTION: forcing a failure. [ 48.026137] name failslab, interval 1, probability 0, space 0, times 0 [ 48.037600] CPU: 0 PID: 8023 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 48.045470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.054810] Call Trace: [ 48.057374] dump_stack+0x1b2/0x281 [ 48.060977] should_fail.cold+0x10a/0x149 [ 48.065107] should_failslab+0xd6/0x130 [ 48.069058] kmem_cache_alloc_node_trace+0x25a/0x400 [ 48.074142] __kmalloc_node_track_caller+0x38/0x70 [ 48.079049] __alloc_skb+0x96/0x510 [ 48.082673] kobject_uevent_env+0x882/0xf30 [ 48.086974] device_del+0x642/0xa80 [ 48.090580] ? __device_links_no_driver+0x1b0/0x1b0 [ 48.095579] device_unregister+0x22/0xc0 [ 48.099618] bdi_unregister+0x42f/0x610 [ 48.103569] ? wb_blkcg_offline+0x180/0x180 [ 48.107865] ? generic_shutdown_super+0x276/0x370 [ 48.112686] ? lock_acquire+0x170/0x3f0 [ 48.116636] ? lock_downgrade+0x740/0x740 [ 48.120760] bdi_put+0x127/0x160 [ 48.124102] generic_shutdown_super+0x2aa/0x370 [ 48.128745] kill_anon_super+0x36/0x90 [ 48.132609] deactivate_locked_super+0x6c/0xd0 [ 48.137183] deactivate_super+0x7f/0xa0 [ 48.141134] cleanup_mnt+0x186/0x2c0 [ 48.144823] task_work_run+0x11f/0x190 [ 48.148688] exit_to_usermode_loop+0x1ad/0x200 [ 48.153246] ? SyS_mount+0xd1/0x120 [ 48.156847] do_syscall_64+0x4a3/0x640 [ 48.160714] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 48.165881] RIP: 0033:0x7ff216918509 [ 48.169565] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 executing program [ 48.177249] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 48.184494] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 48.191737] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 48.198982] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 48.206227] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 48.220663] FAULT_INJECTION: forcing a failure. [ 48.220663] name failslab, interval 1, probability 0, space 0, times 0 [ 48.233803] CPU: 0 PID: 8027 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 48.241675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.251001] Call Trace: [ 48.253565] dump_stack+0x1b2/0x281 [ 48.257171] should_fail.cold+0x10a/0x149 [ 48.261295] should_failslab+0xd6/0x130 [ 48.265246] kmem_cache_alloc_node+0x263/0x410 [ 48.269806] __alloc_skb+0x5c/0x510 [ 48.273411] kobject_uevent_env+0x882/0xf30 [ 48.277711] device_del+0x642/0xa80 [ 48.281314] ? __device_links_no_driver+0x1b0/0x1b0 [ 48.286308] device_unregister+0x22/0xc0 [ 48.290343] bdi_unregister+0x42f/0x610 [ 48.294295] ? wb_blkcg_offline+0x180/0x180 [ 48.298595] ? generic_shutdown_super+0x276/0x370 [ 48.303414] ? lock_acquire+0x170/0x3f0 [ 48.307363] ? lock_downgrade+0x740/0x740 [ 48.311489] bdi_put+0x127/0x160 [ 48.314834] generic_shutdown_super+0x2aa/0x370 [ 48.319480] kill_anon_super+0x36/0x90 [ 48.323350] deactivate_locked_super+0x6c/0xd0 [ 48.327916] deactivate_super+0x7f/0xa0 [ 48.331869] cleanup_mnt+0x186/0x2c0 [ 48.335568] task_work_run+0x11f/0x190 [ 48.339433] exit_to_usermode_loop+0x1ad/0x200 [ 48.343994] ? SyS_mount+0xd1/0x120 [ 48.347608] do_syscall_64+0x4a3/0x640 [ 48.351476] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 48.356642] RIP: 0033:0x7ff216918509 [ 48.360333] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 48.368017] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 executing program [ 48.375263] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 48.382505] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 48.389751] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 48.397019] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 48.414212] FAULT_INJECTION: forcing a failure. [ 48.414212] name failslab, interval 1, probability 0, space 0, times 0 [ 48.425680] CPU: 0 PID: 8031 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 48.433546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.442967] Call Trace: [ 48.445533] dump_stack+0x1b2/0x281 [ 48.449138] should_fail.cold+0x10a/0x149 [ 48.453265] should_failslab+0xd6/0x130 [ 48.457216] kmem_cache_alloc_node_trace+0x25a/0x400 [ 48.462295] __kmalloc_node_track_caller+0x38/0x70 [ 48.467201] __alloc_skb+0x96/0x510 [ 48.470951] kobject_uevent_env+0x882/0xf30 [ 48.475358] ? is_acpi_device_node+0x5b/0x70 [ 48.479740] device_del+0x642/0xa80 [ 48.483344] ? __device_links_no_driver+0x1b0/0x1b0 [ 48.488334] device_unregister+0x22/0xc0 [ 48.492371] bdi_unregister+0x42f/0x610 [ 48.496319] ? wb_blkcg_offline+0x180/0x180 [ 48.500614] ? generic_shutdown_super+0x276/0x370 [ 48.505436] ? lock_acquire+0x170/0x3f0 [ 48.509387] ? lock_downgrade+0x740/0x740 [ 48.513511] bdi_put+0x127/0x160 [ 48.516854] generic_shutdown_super+0x2aa/0x370 [ 48.521506] kill_anon_super+0x36/0x90 [ 48.525457] deactivate_locked_super+0x6c/0xd0 [ 48.530013] deactivate_super+0x7f/0xa0 [ 48.533962] cleanup_mnt+0x186/0x2c0 [ 48.537652] task_work_run+0x11f/0x190 [ 48.541520] exit_to_usermode_loop+0x1ad/0x200 [ 48.546076] ? SyS_mount+0xd1/0x120 [ 48.549679] do_syscall_64+0x4a3/0x640 [ 48.553544] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 48.558707] RIP: 0033:0x7ff216918509 [ 48.562392] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 48.570071] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 executing program [ 48.577315] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 48.584562] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 48.591820] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 48.599079] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 48.614263] FAULT_INJECTION: forcing a failure. [ 48.614263] name failslab, interval 1, probability 0, space 0, times 0 [ 48.625625] CPU: 0 PID: 8035 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 48.633491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.642818] Call Trace: [ 48.645381] dump_stack+0x1b2/0x281 [ 48.648988] should_fail.cold+0x10a/0x149 [ 48.653119] should_failslab+0xd6/0x130 [ 48.657069] kmem_cache_alloc_node+0x263/0x410 [ 48.661626] __alloc_skb+0x5c/0x510 [ 48.665228] kobject_uevent_env+0x882/0xf30 [ 48.669530] device_del+0x642/0xa80 [ 48.673132] ? __device_links_no_driver+0x1b0/0x1b0 [ 48.678121] device_unregister+0x22/0xc0 [ 48.682156] bdi_unregister+0x42f/0x610 [ 48.686104] ? wb_blkcg_offline+0x180/0x180 [ 48.690410] ? generic_shutdown_super+0x276/0x370 [ 48.695237] ? lock_acquire+0x170/0x3f0 [ 48.699187] ? lock_downgrade+0x740/0x740 [ 48.703309] bdi_put+0x127/0x160 [ 48.706652] generic_shutdown_super+0x2aa/0x370 [ 48.711310] kill_anon_super+0x36/0x90 [ 48.715173] deactivate_locked_super+0x6c/0xd0 [ 48.719728] deactivate_super+0x7f/0xa0 [ 48.723677] cleanup_mnt+0x186/0x2c0 [ 48.727367] task_work_run+0x11f/0x190 [ 48.731247] exit_to_usermode_loop+0x1ad/0x200 [ 48.735831] ? SyS_mount+0xd1/0x120 [ 48.739439] do_syscall_64+0x4a3/0x640 [ 48.743305] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 48.748468] RIP: 0033:0x7ff216918509 [ 48.752152] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 48.759835] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 48.767080] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 48.774324] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d executing program [ 48.781569] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 48.788810] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 48.804131] FAULT_INJECTION: forcing a failure. [ 48.804131] name failslab, interval 1, probability 0, space 0, times 0 [ 48.815425] CPU: 0 PID: 8039 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 48.823298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.832632] Call Trace: [ 48.835202] dump_stack+0x1b2/0x281 [ 48.838813] should_fail.cold+0x10a/0x149 [ 48.842941] should_failslab+0xd6/0x130 [ 48.846893] kmem_cache_alloc_trace+0x29a/0x3d0 [ 48.851541] ? kobj_ns_drop+0x80/0x80 [ 48.855318] call_usermodehelper_setup+0x73/0x2e0 [ 48.860139] kobject_uevent_env+0xc21/0xf30 [ 48.864439] device_del+0x642/0xa80 [ 48.868047] ? __device_links_no_driver+0x1b0/0x1b0 [ 48.873038] device_unregister+0x22/0xc0 [ 48.877090] bdi_unregister+0x42f/0x610 [ 48.881039] ? wb_blkcg_offline+0x180/0x180 [ 48.885336] ? generic_shutdown_super+0x276/0x370 [ 48.890153] ? lock_acquire+0x170/0x3f0 [ 48.894100] ? lock_downgrade+0x740/0x740 [ 48.898222] bdi_put+0x127/0x160 [ 48.901563] generic_shutdown_super+0x2aa/0x370 [ 48.906207] kill_anon_super+0x36/0x90 [ 48.910078] deactivate_locked_super+0x6c/0xd0 [ 48.914636] deactivate_super+0x7f/0xa0 [ 48.918687] cleanup_mnt+0x186/0x2c0 [ 48.922388] task_work_run+0x11f/0x190 [ 48.926264] exit_to_usermode_loop+0x1ad/0x200 [ 48.930827] ? SyS_mount+0xd1/0x120 [ 48.934433] do_syscall_64+0x4a3/0x640 [ 48.938300] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 48.943466] RIP: 0033:0x7ff216918509 [ 48.947157] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 48.954841] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 48.962702] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 48.969948] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d executing program [ 48.977193] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 48.984440] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 48.998705] FAULT_INJECTION: forcing a failure. [ 48.998705] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 49.010890] CPU: 0 PID: 8042 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 49.018759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.028088] Call Trace: [ 49.030653] dump_stack+0x1b2/0x281 [ 49.034258] should_fail.cold+0x10a/0x149 [ 49.038385] __alloc_pages_nodemask+0x22c/0x2720 [ 49.043118] ? unwind_next_frame+0xe54/0x17d0 [ 49.047591] ? __lock_acquire+0x5fc/0x3f20 [ 49.051803] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 49.056623] ? __lock_acquire+0x5fc/0x3f20 [ 49.060834] alloc_pages_vma+0xd2/0x6d0 [ 49.064783] wp_page_copy+0x1f5/0x25c0 [ 49.068651] ? tlb_flush_mmu_free+0x1a0/0x1a0 [ 49.073119] ? __lock_acquire+0x5fc/0x3f20 [ 49.077329] do_wp_page+0x245/0x1db0 [ 49.081020] ? __handle_mm_fault+0x129c/0x4620 [ 49.085577] ? finish_mkwrite_fault+0x5e0/0x5e0 [ 49.090223] __handle_mm_fault+0x234f/0x4620 [ 49.094607] ? vm_insert_page+0x7c0/0x7c0 [ 49.098728] ? lock_acquire+0x170/0x3f0 [ 49.102679] ? mark_held_locks+0xa6/0xf0 [ 49.106729] handle_mm_fault+0x455/0x9c0 [ 49.110773] __do_page_fault+0x549/0xad0 [ 49.114814] ? spurious_fault+0x640/0x640 [ 49.118937] ? do_page_fault+0x60/0x500 [ 49.122885] ? page_fault+0x2f/0x50 [ 49.126492] page_fault+0x45/0x50 [ 49.129919] RIP: 0001:0x7ffc9b2b74f0 executing program [ 49.133606] RSP: 16989140:0000000000000000 EFLAGS: 00000000 [ 49.134310] Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF [ 49.150940] FAULT_INJECTION: forcing a failure. [ 49.150940] name failslab, interval 1, probability 0, space 0, times 0 [ 49.162214] CPU: 0 PID: 8046 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 49.170076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.179406] Call Trace: [ 49.181979] dump_stack+0x1b2/0x281 [ 49.185585] should_fail.cold+0x10a/0x149 [ 49.189712] should_failslab+0xd6/0x130 [ 49.193665] kmem_cache_alloc_node+0x263/0x410 [ 49.198224] __alloc_skb+0x5c/0x510 [ 49.201830] kobject_uevent_env+0x882/0xf30 [ 49.206132] device_del+0x642/0xa80 [ 49.209738] ? __device_links_no_driver+0x1b0/0x1b0 [ 49.214730] device_unregister+0x22/0xc0 [ 49.218768] bdi_unregister+0x42f/0x610 [ 49.222716] ? wb_blkcg_offline+0x180/0x180 [ 49.227015] ? generic_shutdown_super+0x276/0x370 [ 49.231836] ? lock_acquire+0x170/0x3f0 [ 49.235872] ? lock_downgrade+0x740/0x740 [ 49.239996] bdi_put+0x127/0x160 [ 49.243342] generic_shutdown_super+0x2aa/0x370 [ 49.247995] kill_anon_super+0x36/0x90 [ 49.251861] deactivate_locked_super+0x6c/0xd0 [ 49.256419] deactivate_super+0x7f/0xa0 [ 49.260370] cleanup_mnt+0x186/0x2c0 [ 49.264080] task_work_run+0x11f/0x190 [ 49.267946] exit_to_usermode_loop+0x1ad/0x200 [ 49.272505] ? SyS_mount+0xd1/0x120 [ 49.276107] do_syscall_64+0x4a3/0x640 [ 49.279976] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 49.285140] RIP: 0033:0x7ff216918509 [ 49.288827] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 49.296509] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 49.303760] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 49.311007] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 49.318251] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 49.325504] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 49.339631] FAULT_INJECTION: forcing a failure. [ 49.339631] name failslab, interval 1, probability 0, space 0, times 0 [ 49.351418] CPU: 0 PID: 8050 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 49.359291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.368620] Call Trace: [ 49.371187] dump_stack+0x1b2/0x281 [ 49.374794] should_fail.cold+0x10a/0x149 [ 49.378921] should_failslab+0xd6/0x130 [ 49.382872] kmem_cache_alloc_node_trace+0x25a/0x400 [ 49.387951] __kmalloc_node_track_caller+0x38/0x70 [ 49.392856] __alloc_skb+0x96/0x510 [ 49.396460] kobject_uevent_env+0x882/0xf30 [ 49.400760] device_del+0x642/0xa80 [ 49.404364] ? __device_links_no_driver+0x1b0/0x1b0 [ 49.409356] device_unregister+0x22/0xc0 [ 49.413394] bdi_unregister+0x42f/0x610 [ 49.417345] ? wb_blkcg_offline+0x180/0x180 [ 49.421642] ? generic_shutdown_super+0x276/0x370 [ 49.426462] ? lock_acquire+0x170/0x3f0 [ 49.430415] ? lock_downgrade+0x740/0x740 [ 49.434541] bdi_put+0x127/0x160 [ 49.437884] generic_shutdown_super+0x2aa/0x370 [ 49.442528] kill_anon_super+0x36/0x90 [ 49.446390] deactivate_locked_super+0x6c/0xd0 [ 49.450946] deactivate_super+0x7f/0xa0 [ 49.454893] cleanup_mnt+0x186/0x2c0 [ 49.458582] task_work_run+0x11f/0x190 [ 49.462449] exit_to_usermode_loop+0x1ad/0x200 [ 49.467006] ? SyS_mount+0xd1/0x120 [ 49.470608] do_syscall_64+0x4a3/0x640 [ 49.474475] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 49.479643] RIP: 0033:0x7ff216918509 executing program [ 49.483332] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 49.491013] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 49.498257] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 49.505502] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 49.512744] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 49.519989] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 49.534970] FAULT_INJECTION: forcing a failure. [ 49.534970] name failslab, interval 1, probability 0, space 0, times 0 [ 49.546393] CPU: 0 PID: 8054 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 49.554259] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.563589] Call Trace: [ 49.566154] dump_stack+0x1b2/0x281 [ 49.569760] should_fail.cold+0x10a/0x149 [ 49.573883] should_failslab+0xd6/0x130 [ 49.577833] kmem_cache_alloc_node_trace+0x25a/0x400 [ 49.582912] __kmalloc_node_track_caller+0x38/0x70 [ 49.587814] __alloc_skb+0x96/0x510 [ 49.591418] kobject_uevent_env+0x882/0xf30 [ 49.595722] device_del+0x642/0xa80 [ 49.599324] ? __device_links_no_driver+0x1b0/0x1b0 [ 49.604313] device_unregister+0x22/0xc0 [ 49.608351] bdi_unregister+0x42f/0x610 [ 49.612301] ? wb_blkcg_offline+0x180/0x180 [ 49.616595] ? generic_shutdown_super+0x276/0x370 [ 49.621419] ? lock_acquire+0x170/0x3f0 [ 49.625372] ? lock_downgrade+0x740/0x740 [ 49.629498] bdi_put+0x127/0x160 [ 49.632840] generic_shutdown_super+0x2aa/0x370 [ 49.637484] kill_anon_super+0x36/0x90 [ 49.641347] deactivate_locked_super+0x6c/0xd0 [ 49.645904] deactivate_super+0x7f/0xa0 [ 49.649857] cleanup_mnt+0x186/0x2c0 [ 49.653557] task_work_run+0x11f/0x190 [ 49.657424] exit_to_usermode_loop+0x1ad/0x200 [ 49.661985] ? SyS_mount+0xd1/0x120 [ 49.665586] do_syscall_64+0x4a3/0x640 [ 49.669453] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 49.674703] RIP: 0033:0x7ff216918509 [ 49.678391] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 executing program [ 49.686134] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 49.693387] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 49.700637] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 49.707887] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 49.715135] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 49.729521] FAULT_INJECTION: forcing a failure. [ 49.729521] name failslab, interval 1, probability 0, space 0, times 0 [ 49.740844] CPU: 0 PID: 8058 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 49.748716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.758055] Call Trace: [ 49.760625] dump_stack+0x1b2/0x281 [ 49.764233] should_fail.cold+0x10a/0x149 [ 49.768366] should_failslab+0xd6/0x130 [ 49.772324] kmem_cache_alloc_trace+0x29a/0x3d0 [ 49.776971] ? kobj_ns_drop+0x80/0x80 [ 49.780751] call_usermodehelper_setup+0x73/0x2e0 [ 49.785572] kobject_uevent_env+0xc21/0xf30 [ 49.789875] device_del+0x642/0xa80 [ 49.793485] ? __device_links_no_driver+0x1b0/0x1b0 [ 49.798484] device_unregister+0x22/0xc0 [ 49.802522] bdi_unregister+0x42f/0x610 [ 49.806477] ? wb_blkcg_offline+0x180/0x180 [ 49.810775] ? generic_shutdown_super+0x276/0x370 [ 49.815596] ? lock_acquire+0x170/0x3f0 [ 49.819542] ? lock_downgrade+0x740/0x740 [ 49.823667] bdi_put+0x127/0x160 [ 49.827011] generic_shutdown_super+0x2aa/0x370 [ 49.831655] kill_anon_super+0x36/0x90 [ 49.835519] deactivate_locked_super+0x6c/0xd0 [ 49.840077] deactivate_super+0x7f/0xa0 [ 49.844028] cleanup_mnt+0x186/0x2c0 [ 49.847743] task_work_run+0x11f/0x190 [ 49.851629] exit_to_usermode_loop+0x1ad/0x200 [ 49.856193] ? SyS_mount+0xd1/0x120 [ 49.859801] do_syscall_64+0x4a3/0x640 [ 49.863671] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 49.868847] RIP: 0033:0x7ff216918509 [ 49.872561] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 49.880260] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 executing program [ 49.887516] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 49.894763] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 49.902011] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 49.909265] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 49.924229] FAULT_INJECTION: forcing a failure. [ 49.924229] name failslab, interval 1, probability 0, space 0, times 0 [ 49.935575] CPU: 0 PID: 8061 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 49.943449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.952784] Call Trace: [ 49.955356] dump_stack+0x1b2/0x281 [ 49.958967] should_fail.cold+0x10a/0x149 [ 49.963094] should_failslab+0xd6/0x130 [ 49.967047] kmem_cache_alloc_node+0x263/0x410 [ 49.971609] __alloc_skb+0x5c/0x510 [ 49.975221] kobject_uevent_env+0x882/0xf30 [ 49.979524] device_del+0x642/0xa80 [ 49.983130] ? __device_links_no_driver+0x1b0/0x1b0 [ 49.988122] device_unregister+0x22/0xc0 [ 49.992159] bdi_unregister+0x42f/0x610 [ 49.996111] ? wb_blkcg_offline+0x180/0x180 [ 50.000412] ? generic_shutdown_super+0x276/0x370 [ 50.005232] ? lock_acquire+0x170/0x3f0 [ 50.009183] ? lock_downgrade+0x740/0x740 [ 50.013319] bdi_put+0x127/0x160 [ 50.016663] generic_shutdown_super+0x2aa/0x370 [ 50.021307] kill_anon_super+0x36/0x90 [ 50.025174] deactivate_locked_super+0x6c/0xd0 [ 50.029735] deactivate_super+0x7f/0xa0 [ 50.033685] cleanup_mnt+0x186/0x2c0 [ 50.037377] task_work_run+0x11f/0x190 [ 50.041243] exit_to_usermode_loop+0x1ad/0x200 [ 50.045799] ? SyS_mount+0xd1/0x120 [ 50.049402] do_syscall_64+0x4a3/0x640 [ 50.053268] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 50.058438] RIP: 0033:0x7ff216918509 [ 50.062124] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 50.069924] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 50.077316] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 50.084573] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d executing program [ 50.091830] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 50.099078] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 50.114529] FAULT_INJECTION: forcing a failure. [ 50.114529] name failslab, interval 1, probability 0, space 0, times 0 [ 50.125964] CPU: 0 PID: 8065 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 50.133835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.143165] Call Trace: [ 50.145733] dump_stack+0x1b2/0x281 [ 50.149342] should_fail.cold+0x10a/0x149 [ 50.153466] should_failslab+0xd6/0x130 [ 50.157421] kmem_cache_alloc_node_trace+0x25a/0x400 [ 50.162509] __kmalloc_node_track_caller+0x38/0x70 [ 50.167419] __alloc_skb+0x96/0x510 [ 50.171033] kobject_uevent_env+0x882/0xf30 [ 50.175335] device_del+0x642/0xa80 [ 50.178941] ? __device_links_no_driver+0x1b0/0x1b0 [ 50.183953] device_unregister+0x22/0xc0 [ 50.187992] bdi_unregister+0x42f/0x610 [ 50.191943] ? wb_blkcg_offline+0x180/0x180 [ 50.196241] ? generic_shutdown_super+0x276/0x370 [ 50.201062] ? lock_acquire+0x170/0x3f0 [ 50.205012] ? lock_downgrade+0x740/0x740 [ 50.209137] bdi_put+0x127/0x160 [ 50.212483] generic_shutdown_super+0x2aa/0x370 [ 50.217128] kill_anon_super+0x36/0x90 [ 50.220991] deactivate_locked_super+0x6c/0xd0 [ 50.225547] deactivate_super+0x7f/0xa0 [ 50.229502] cleanup_mnt+0x186/0x2c0 [ 50.233192] task_work_run+0x11f/0x190 [ 50.237055] exit_to_usermode_loop+0x1ad/0x200 [ 50.241612] ? SyS_mount+0xd1/0x120 [ 50.245215] do_syscall_64+0x4a3/0x640 [ 50.249080] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 50.254244] RIP: 0033:0x7ff216918509 [ 50.257930] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 50.265612] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 50.272856] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 50.280113] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d executing program [ 50.287358] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 50.294601] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 50.308467] FAULT_INJECTION: forcing a failure. [ 50.308467] name failslab, interval 1, probability 0, space 0, times 0 [ 50.319956] CPU: 0 PID: 8069 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 50.327828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.337159] Call Trace: [ 50.339727] dump_stack+0x1b2/0x281 [ 50.343333] should_fail.cold+0x10a/0x149 [ 50.347460] should_failslab+0xd6/0x130 [ 50.351412] kmem_cache_alloc_trace+0x29a/0x3d0 [ 50.356056] ? kobj_ns_drop+0x80/0x80 [ 50.359831] call_usermodehelper_setup+0x73/0x2e0 [ 50.364648] kobject_uevent_env+0xc21/0xf30 [ 50.368951] device_del+0x642/0xa80 [ 50.372555] ? __device_links_no_driver+0x1b0/0x1b0 [ 50.377555] device_unregister+0x22/0xc0 [ 50.381619] bdi_unregister+0x42f/0x610 [ 50.385572] ? wb_blkcg_offline+0x180/0x180 [ 50.389868] ? generic_shutdown_super+0x276/0x370 [ 50.394686] ? lock_acquire+0x170/0x3f0 [ 50.398634] ? lock_downgrade+0x740/0x740 [ 50.402756] bdi_put+0x127/0x160 [ 50.406097] generic_shutdown_super+0x2aa/0x370 [ 50.410739] kill_anon_super+0x36/0x90 [ 50.414617] deactivate_locked_super+0x6c/0xd0 [ 50.419173] deactivate_super+0x7f/0xa0 [ 50.423124] cleanup_mnt+0x186/0x2c0 [ 50.426816] task_work_run+0x11f/0x190 [ 50.430683] exit_to_usermode_loop+0x1ad/0x200 [ 50.435245] ? SyS_mount+0xd1/0x120 [ 50.438846] do_syscall_64+0x4a3/0x640 [ 50.442712] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 50.447875] RIP: 0033:0x7ff216918509 [ 50.451566] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 50.459252] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 50.466495] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 50.473740] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 50.480997] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 executing program [ 50.488246] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 50.512294] FAULT_INJECTION: forcing a failure. [ 50.512294] name failslab, interval 1, probability 0, space 0, times 0 [ 50.523813] CPU: 0 PID: 8072 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 50.531678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.541009] Call Trace: [ 50.543588] dump_stack+0x1b2/0x281 [ 50.547211] should_fail.cold+0x10a/0x149 [ 50.551363] should_failslab+0xd6/0x130 [ 50.555339] kmem_cache_alloc_node_trace+0x25a/0x400 [ 50.560447] __kmalloc_node_track_caller+0x38/0x70 [ 50.565374] __alloc_skb+0x96/0x510 [ 50.568999] kobject_uevent_env+0x882/0xf30 [ 50.573323] device_del+0x642/0xa80 [ 50.576949] ? __device_links_no_driver+0x1b0/0x1b0 [ 50.581956] device_unregister+0x22/0xc0 [ 50.586002] bdi_unregister+0x42f/0x610 [ 50.589981] ? wb_blkcg_offline+0x180/0x180 [ 50.594390] ? generic_shutdown_super+0x276/0x370 [ 50.599212] ? lock_acquire+0x170/0x3f0 [ 50.603164] ? lock_downgrade+0x740/0x740 [ 50.607291] bdi_put+0x127/0x160 [ 50.610703] generic_shutdown_super+0x2aa/0x370 [ 50.615353] kill_anon_super+0x36/0x90 [ 50.619219] deactivate_locked_super+0x6c/0xd0 [ 50.623787] deactivate_super+0x7f/0xa0 [ 50.627739] cleanup_mnt+0x186/0x2c0 [ 50.631431] task_work_run+0x11f/0x190 [ 50.635297] exit_to_usermode_loop+0x1ad/0x200 [ 50.639855] ? SyS_mount+0xd1/0x120 [ 50.643466] do_syscall_64+0x4a3/0x640 [ 50.647338] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 50.652529] RIP: 0033:0x7ff216918509 [ 50.656222] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 50.663913] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 50.671161] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 50.678407] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 50.685652] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 executing program [ 50.692897] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 50.707774] FAULT_INJECTION: forcing a failure. [ 50.707774] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 50.719897] CPU: 0 PID: 8076 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 50.727767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.737102] Call Trace: [ 50.739669] dump_stack+0x1b2/0x281 [ 50.743284] should_fail.cold+0x10a/0x149 [ 50.747409] __alloc_pages_nodemask+0x22c/0x2720 [ 50.752142] ? unwind_next_frame+0xe54/0x17d0 [ 50.756643] ? __lock_acquire+0x5fc/0x3f20 [ 50.760870] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 50.765694] ? __lock_acquire+0x5fc/0x3f20 [ 50.769908] alloc_pages_vma+0xd2/0x6d0 [ 50.773862] wp_page_copy+0x1f5/0x25c0 [ 50.777732] ? tlb_flush_mmu_free+0x1a0/0x1a0 [ 50.782214] ? __lock_acquire+0x5fc/0x3f20 [ 50.786429] do_wp_page+0x245/0x1db0 [ 50.790119] ? __handle_mm_fault+0x129c/0x4620 [ 50.794678] ? finish_mkwrite_fault+0x5e0/0x5e0 [ 50.799323] __handle_mm_fault+0x234f/0x4620 [ 50.803709] ? vm_insert_page+0x7c0/0x7c0 [ 50.807830] ? lock_acquire+0x170/0x3f0 [ 50.811782] ? mark_held_locks+0xa6/0xf0 [ 50.815817] handle_mm_fault+0x455/0x9c0 [ 50.819856] __do_page_fault+0x549/0xad0 [ 50.823893] ? spurious_fault+0x640/0x640 [ 50.828017] ? do_page_fault+0x60/0x500 [ 50.831967] ? page_fault+0x2f/0x50 [ 50.835570] page_fault+0x45/0x50 [ 50.839001] RIP: 0001:0x7ffc9b2b74f0 executing program [ 50.842688] RSP: 16989140:0000000000000000 EFLAGS: 00000000 [ 50.843380] Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF [ 50.860539] FAULT_INJECTION: forcing a failure. [ 50.860539] name failslab, interval 1, probability 0, space 0, times 0 [ 50.872396] CPU: 1 PID: 8080 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 50.880259] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.889589] Call Trace: [ 50.892159] dump_stack+0x1b2/0x281 [ 50.895770] should_fail.cold+0x10a/0x149 [ 50.899894] should_failslab+0xd6/0x130 [ 50.903852] __kmalloc+0x2c1/0x400 [ 50.907378] ? kobject_get_path+0xb5/0x230 [ 50.911766] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 50.917205] kobject_get_path+0xb5/0x230 [ 50.921257] kobject_uevent_env+0x230/0xf30 [ 50.925562] ? wait_for_completion_io+0x10/0x10 [ 50.930212] ? is_acpi_device_node+0x5b/0x70 [ 50.934606] device_del+0x642/0xa80 [ 50.938222] ? __device_links_no_driver+0x1b0/0x1b0 [ 50.943296] device_unregister+0x22/0xc0 [ 50.947350] bdi_unregister+0x42f/0x610 [ 50.951335] ? wb_blkcg_offline+0x180/0x180 [ 50.955634] ? generic_shutdown_super+0x276/0x370 [ 50.960454] ? lock_acquire+0x170/0x3f0 [ 50.964501] ? lock_downgrade+0x740/0x740 [ 50.968629] bdi_put+0x127/0x160 [ 50.971976] generic_shutdown_super+0x2aa/0x370 [ 50.976626] kill_anon_super+0x36/0x90 [ 50.980500] deactivate_locked_super+0x6c/0xd0 [ 50.985062] deactivate_super+0x7f/0xa0 [ 50.989013] cleanup_mnt+0x186/0x2c0 [ 50.992709] task_work_run+0x11f/0x190 [ 50.996574] exit_to_usermode_loop+0x1ad/0x200 [ 51.001134] ? SyS_mount+0xd1/0x120 [ 51.004735] do_syscall_64+0x4a3/0x640 [ 51.008601] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 51.013767] RIP: 0033:0x7ff216918509 [ 51.017451] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 51.025135] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 51.032379] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 51.039640] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d executing program [ 51.046885] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 51.054129] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 51.072450] FAULT_INJECTION: forcing a failure. [ 51.072450] name failslab, interval 1, probability 0, space 0, times 0 [ 51.083813] CPU: 0 PID: 8083 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 51.091675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.101002] Call Trace: [ 51.103570] dump_stack+0x1b2/0x281 [ 51.107175] should_fail.cold+0x10a/0x149 [ 51.111301] should_failslab+0xd6/0x130 [ 51.115252] kmem_cache_alloc_node_trace+0x25a/0x400 [ 51.120335] __kmalloc_node_track_caller+0x38/0x70 [ 51.125242] __alloc_skb+0x96/0x510 [ 51.128848] kobject_uevent_env+0x882/0xf30 [ 51.133148] device_del+0x642/0xa80 [ 51.136753] ? __device_links_no_driver+0x1b0/0x1b0 [ 51.141749] device_unregister+0x22/0xc0 [ 51.145791] bdi_unregister+0x42f/0x610 [ 51.149740] ? wb_blkcg_offline+0x180/0x180 [ 51.154039] ? generic_shutdown_super+0x276/0x370 [ 51.158857] ? lock_acquire+0x170/0x3f0 [ 51.162821] ? lock_downgrade+0x740/0x740 [ 51.166953] bdi_put+0x127/0x160 [ 51.170384] generic_shutdown_super+0x2aa/0x370 [ 51.175029] kill_anon_super+0x36/0x90 [ 51.178893] deactivate_locked_super+0x6c/0xd0 [ 51.183450] deactivate_super+0x7f/0xa0 [ 51.187399] cleanup_mnt+0x186/0x2c0 [ 51.191091] task_work_run+0x11f/0x190 [ 51.194957] exit_to_usermode_loop+0x1ad/0x200 [ 51.199514] ? SyS_mount+0xd1/0x120 [ 51.203114] do_syscall_64+0x4a3/0x640 [ 51.206978] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 51.212141] RIP: 0033:0x7ff216918509 [ 51.215826] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 51.223520] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 51.230769] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 51.238019] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d executing program [ 51.245265] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 51.252510] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 51.267668] FAULT_INJECTION: forcing a failure. [ 51.267668] name failslab, interval 1, probability 0, space 0, times 0 [ 51.280684] CPU: 0 PID: 8087 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 51.288649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.297980] Call Trace: [ 51.300565] dump_stack+0x1b2/0x281 [ 51.304171] should_fail.cold+0x10a/0x149 [ 51.308297] should_failslab+0xd6/0x130 [ 51.312250] kmem_cache_alloc_trace+0x29a/0x3d0 [ 51.316895] ? kobj_ns_drop+0x80/0x80 [ 51.320671] call_usermodehelper_setup+0x73/0x2e0 [ 51.325491] kobject_uevent_env+0xc21/0xf30 [ 51.329793] device_del+0x642/0xa80 [ 51.333399] ? __device_links_no_driver+0x1b0/0x1b0 [ 51.338391] device_unregister+0x22/0xc0 [ 51.342431] bdi_unregister+0x42f/0x610 [ 51.346382] ? wb_blkcg_offline+0x180/0x180 [ 51.350681] ? generic_shutdown_super+0x276/0x370 [ 51.355499] ? lock_acquire+0x170/0x3f0 [ 51.359446] ? lock_downgrade+0x740/0x740 [ 51.363573] bdi_put+0x127/0x160 [ 51.366917] generic_shutdown_super+0x2aa/0x370 [ 51.371570] kill_anon_super+0x36/0x90 [ 51.375432] deactivate_locked_super+0x6c/0xd0 [ 51.379989] deactivate_super+0x7f/0xa0 [ 51.383938] cleanup_mnt+0x186/0x2c0 [ 51.387627] task_work_run+0x11f/0x190 [ 51.391492] exit_to_usermode_loop+0x1ad/0x200 [ 51.396047] ? SyS_mount+0xd1/0x120 [ 51.399650] do_syscall_64+0x4a3/0x640 [ 51.403517] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 51.408679] RIP: 0033:0x7ff216918509 [ 51.412366] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 51.420047] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 51.427292] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 51.434539] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 51.441803] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 executing program [ 51.449049] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 51.465556] FAULT_INJECTION: forcing a failure. [ 51.465556] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 51.477560] CPU: 0 PID: 8090 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 51.485423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.494753] Call Trace: [ 51.497321] dump_stack+0x1b2/0x281 [ 51.500930] should_fail.cold+0x10a/0x149 [ 51.505062] __alloc_pages_nodemask+0x22c/0x2720 [ 51.509796] ? unwind_next_frame+0xe54/0x17d0 [ 51.514268] ? __lock_acquire+0x5fc/0x3f20 [ 51.518478] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 51.523300] ? __lock_acquire+0x5fc/0x3f20 [ 51.527513] alloc_pages_vma+0xd2/0x6d0 [ 51.531463] wp_page_copy+0x1f5/0x25c0 [ 51.535328] ? tlb_flush_mmu_free+0x1a0/0x1a0 [ 51.539798] ? __lock_acquire+0x5fc/0x3f20 [ 51.544007] do_wp_page+0x245/0x1db0 [ 51.547694] ? __handle_mm_fault+0x129c/0x4620 [ 51.552251] ? finish_mkwrite_fault+0x5e0/0x5e0 [ 51.556897] __handle_mm_fault+0x234f/0x4620 [ 51.561282] ? vm_insert_page+0x7c0/0x7c0 [ 51.565405] ? lock_acquire+0x170/0x3f0 [ 51.569359] ? mark_held_locks+0xa6/0xf0 [ 51.573400] handle_mm_fault+0x455/0x9c0 [ 51.577443] __do_page_fault+0x549/0xad0 [ 51.581489] ? spurious_fault+0x640/0x640 [ 51.585636] ? do_page_fault+0x60/0x500 [ 51.589585] ? page_fault+0x2f/0x50 [ 51.593189] page_fault+0x45/0x50 executing program [ 51.596619] RIP: 0001:0x7ffc9b2b74f0 [ 51.600309] RSP: 16989140:0000000000000000 EFLAGS: 00000000 [ 51.601157] Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF [ 51.618133] FAULT_INJECTION: forcing a failure. [ 51.618133] name failslab, interval 1, probability 0, space 0, times 0 [ 51.629504] CPU: 0 PID: 8094 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 51.637372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.646701] Call Trace: [ 51.649274] dump_stack+0x1b2/0x281 [ 51.652882] should_fail.cold+0x10a/0x149 [ 51.657010] should_failslab+0xd6/0x130 [ 51.660962] kmem_cache_alloc_node_trace+0x25a/0x400 [ 51.666043] __kmalloc_node_track_caller+0x38/0x70 [ 51.670951] __alloc_skb+0x96/0x510 [ 51.674556] kobject_uevent_env+0x882/0xf30 [ 51.678856] ? is_acpi_device_node+0x5b/0x70 [ 51.683240] device_del+0x642/0xa80 [ 51.686846] ? __device_links_no_driver+0x1b0/0x1b0 [ 51.691840] device_unregister+0x22/0xc0 [ 51.695876] bdi_unregister+0x42f/0x610 [ 51.699834] ? wb_blkcg_offline+0x180/0x180 [ 51.704138] ? generic_shutdown_super+0x276/0x370 [ 51.708962] ? lock_acquire+0x170/0x3f0 [ 51.712912] ? lock_downgrade+0x740/0x740 [ 51.717037] bdi_put+0x127/0x160 [ 51.720382] generic_shutdown_super+0x2aa/0x370 [ 51.725026] kill_anon_super+0x36/0x90 [ 51.728889] deactivate_locked_super+0x6c/0xd0 [ 51.733445] deactivate_super+0x7f/0xa0 [ 51.737400] cleanup_mnt+0x186/0x2c0 [ 51.741095] task_work_run+0x11f/0x190 [ 51.744968] exit_to_usermode_loop+0x1ad/0x200 [ 51.749528] ? SyS_mount+0xd1/0x120 [ 51.753131] do_syscall_64+0x4a3/0x640 [ 51.756998] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 51.762162] RIP: 0033:0x7ff216918509 [ 51.765847] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 51.773530] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 51.780776] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 51.788021] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d executing program [ 51.795263] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 51.802505] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 51.816892] FAULT_INJECTION: forcing a failure. [ 51.816892] name failslab, interval 1, probability 0, space 0, times 0 [ 51.829960] CPU: 0 PID: 8098 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 51.837838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.847167] Call Trace: [ 51.849733] dump_stack+0x1b2/0x281 [ 51.853340] should_fail.cold+0x10a/0x149 [ 51.857465] should_failslab+0xd6/0x130 [ 51.861416] kmem_cache_alloc_node+0x263/0x410 [ 51.865973] __alloc_skb+0x5c/0x510 [ 51.869592] kobject_uevent_env+0x882/0xf30 [ 51.873897] device_del+0x642/0xa80 [ 51.877518] ? __device_links_no_driver+0x1b0/0x1b0 [ 51.882517] device_unregister+0x22/0xc0 [ 51.886558] bdi_unregister+0x42f/0x610 [ 51.890511] ? wb_blkcg_offline+0x180/0x180 [ 51.894812] ? generic_shutdown_super+0x276/0x370 [ 51.899632] ? lock_acquire+0x170/0x3f0 [ 51.903583] ? lock_downgrade+0x740/0x740 [ 51.907709] bdi_put+0x127/0x160 [ 51.911067] generic_shutdown_super+0x2aa/0x370 [ 51.915724] kill_anon_super+0x36/0x90 [ 51.919600] deactivate_locked_super+0x6c/0xd0 [ 51.924172] deactivate_super+0x7f/0xa0 [ 51.928131] cleanup_mnt+0x186/0x2c0 [ 51.931825] task_work_run+0x11f/0x190 [ 51.935692] exit_to_usermode_loop+0x1ad/0x200 [ 51.940252] ? SyS_mount+0xd1/0x120 [ 51.943857] do_syscall_64+0x4a3/0x640 executing program [ 51.947724] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 51.952890] RIP: 0033:0x7ff216918509 [ 51.956579] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 51.964262] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 51.971509] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 51.978862] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 51.986108] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 51.993355] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 52.008305] FAULT_INJECTION: forcing a failure. [ 52.008305] name failslab, interval 1, probability 0, space 0, times 0 [ 52.022080] CPU: 0 PID: 8102 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 52.029955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.039285] Call Trace: [ 52.041854] dump_stack+0x1b2/0x281 [ 52.045467] should_fail.cold+0x10a/0x149 [ 52.049597] should_failslab+0xd6/0x130 [ 52.053551] kmem_cache_alloc_trace+0x29a/0x3d0 [ 52.058230] ? kobj_ns_drop+0x80/0x80 [ 52.062022] call_usermodehelper_setup+0x73/0x2e0 [ 52.066851] kobject_uevent_env+0xc21/0xf30 [ 52.071152] device_del+0x642/0xa80 [ 52.074757] ? __device_links_no_driver+0x1b0/0x1b0 [ 52.079752] device_unregister+0x22/0xc0 [ 52.083801] bdi_unregister+0x42f/0x610 [ 52.087754] ? wb_blkcg_offline+0x180/0x180 [ 52.092053] ? generic_shutdown_super+0x276/0x370 [ 52.096874] ? lock_acquire+0x170/0x3f0 [ 52.100827] ? lock_downgrade+0x740/0x740 [ 52.104953] bdi_put+0x127/0x160 [ 52.108295] generic_shutdown_super+0x2aa/0x370 [ 52.112944] kill_anon_super+0x36/0x90 [ 52.116807] deactivate_locked_super+0x6c/0xd0 [ 52.121364] deactivate_super+0x7f/0xa0 [ 52.125316] cleanup_mnt+0x186/0x2c0 [ 52.129026] task_work_run+0x11f/0x190 [ 52.132892] exit_to_usermode_loop+0x1ad/0x200 [ 52.137446] ? SyS_mount+0xd1/0x120 [ 52.141049] do_syscall_64+0x4a3/0x640 [ 52.144915] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 52.150116] RIP: 0033:0x7ff216918509 executing program [ 52.153801] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 52.161484] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 52.168727] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 52.175972] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 52.183216] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 52.190458] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 52.205250] FAULT_INJECTION: forcing a failure. [ 52.205250] name failslab, interval 1, probability 0, space 0, times 0 [ 52.218833] CPU: 0 PID: 8105 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 52.226806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.236156] Call Trace: [ 52.238728] dump_stack+0x1b2/0x281 [ 52.242353] should_fail.cold+0x10a/0x149 [ 52.246478] should_failslab+0xd6/0x130 [ 52.250429] kmem_cache_alloc_trace+0x29a/0x3d0 [ 52.255079] ? kobj_ns_drop+0x80/0x80 [ 52.258868] call_usermodehelper_setup+0x73/0x2e0 [ 52.263688] kobject_uevent_env+0xc21/0xf30 [ 52.267998] device_del+0x642/0xa80 [ 52.271601] ? __device_links_no_driver+0x1b0/0x1b0 [ 52.276592] device_unregister+0x22/0xc0 [ 52.280631] bdi_unregister+0x42f/0x610 [ 52.284584] ? wb_blkcg_offline+0x180/0x180 [ 52.288882] ? generic_shutdown_super+0x276/0x370 [ 52.293704] ? lock_acquire+0x170/0x3f0 [ 52.297655] ? lock_downgrade+0x740/0x740 [ 52.301779] bdi_put+0x127/0x160 [ 52.305121] generic_shutdown_super+0x2aa/0x370 [ 52.309766] kill_anon_super+0x36/0x90 [ 52.313638] deactivate_locked_super+0x6c/0xd0 [ 52.318194] deactivate_super+0x7f/0xa0 [ 52.322148] cleanup_mnt+0x186/0x2c0 [ 52.325839] task_work_run+0x11f/0x190 [ 52.329706] exit_to_usermode_loop+0x1ad/0x200 [ 52.334264] ? SyS_mount+0xd1/0x120 [ 52.337867] do_syscall_64+0x4a3/0x640 [ 52.341732] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 52.346903] RIP: 0033:0x7ff216918509 [ 52.350589] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 executing program [ 52.358273] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 52.365516] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 52.372760] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 52.380007] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 52.387254] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 52.402652] FAULT_INJECTION: forcing a failure. [ 52.402652] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 52.415188] CPU: 0 PID: 8108 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 52.423077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.432407] Call Trace: [ 52.434970] dump_stack+0x1b2/0x281 [ 52.438573] should_fail.cold+0x10a/0x149 [ 52.442702] __alloc_pages_nodemask+0x22c/0x2720 [ 52.447434] ? trace_hardirqs_on+0x10/0x10 [ 52.451646] ? trace_hardirqs_on+0x10/0x10 [ 52.455857] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 52.460673] ? lock_acquire+0x170/0x3f0 [ 52.464622] ? reacquire_held_locks+0xb5/0x3f0 [ 52.469177] ? alloc_set_pte+0xd57/0x1610 [ 52.473299] ? __lock_acquire+0x5fc/0x3f20 [ 52.477512] alloc_pages_vma+0xd2/0x6d0 [ 52.481462] wp_page_copy+0x1f5/0x25c0 [ 52.485327] ? tlb_flush_mmu_free+0x1a0/0x1a0 [ 52.489796] ? __lock_acquire+0x5fc/0x3f20 [ 52.494007] do_wp_page+0x245/0x1db0 [ 52.497697] ? __handle_mm_fault+0x129c/0x4620 [ 52.502253] ? finish_mkwrite_fault+0x5e0/0x5e0 [ 52.506899] __handle_mm_fault+0x234f/0x4620 [ 52.511282] ? vm_insert_page+0x7c0/0x7c0 [ 52.515407] ? lock_acquire+0x170/0x3f0 [ 52.519359] ? mark_held_locks+0xa6/0xf0 [ 52.523395] handle_mm_fault+0x455/0x9c0 [ 52.527435] __do_page_fault+0x549/0xad0 [ 52.531486] ? spurious_fault+0x640/0x640 [ 52.535611] ? do_page_fault+0x60/0x500 [ 52.539562] ? page_fault+0x2f/0x50 [ 52.543164] page_fault+0x45/0x50 [ 52.546590] RIP: 0000: (null) [ 52.550450] RSP: 5656d300:0000000000000000 EFLAGS: 7ff21698b3f0 executing program [ 52.551105] Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF [ 52.568218] FAULT_INJECTION: forcing a failure. [ 52.568218] name failslab, interval 1, probability 0, space 0, times 0 [ 52.579593] CPU: 1 PID: 8112 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 52.587451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.596781] Call Trace: [ 52.599348] dump_stack+0x1b2/0x281 [ 52.602957] should_fail.cold+0x10a/0x149 [ 52.607090] should_failslab+0xd6/0x130 [ 52.611044] kmem_cache_alloc_node_trace+0x25a/0x400 [ 52.616123] __kmalloc_node_track_caller+0x38/0x70 [ 52.621032] __alloc_skb+0x96/0x510 [ 52.624635] kobject_uevent_env+0x882/0xf30 [ 52.628932] device_del+0x642/0xa80 [ 52.632537] ? __device_links_no_driver+0x1b0/0x1b0 [ 52.637537] device_unregister+0x22/0xc0 [ 52.641579] bdi_unregister+0x42f/0x610 [ 52.645530] ? wb_blkcg_offline+0x180/0x180 [ 52.649832] ? generic_shutdown_super+0x276/0x370 [ 52.654651] ? lock_acquire+0x170/0x3f0 [ 52.658599] ? lock_downgrade+0x740/0x740 [ 52.662722] bdi_put+0x127/0x160 [ 52.666074] generic_shutdown_super+0x2aa/0x370 [ 52.670725] kill_anon_super+0x36/0x90 [ 52.674587] deactivate_locked_super+0x6c/0xd0 [ 52.679151] deactivate_super+0x7f/0xa0 [ 52.683101] cleanup_mnt+0x186/0x2c0 [ 52.686794] task_work_run+0x11f/0x190 [ 52.690668] exit_to_usermode_loop+0x1ad/0x200 [ 52.695234] ? SyS_mount+0xd1/0x120 [ 52.698838] do_syscall_64+0x4a3/0x640 [ 52.702704] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 52.707870] RIP: 0033:0x7ff216918509 executing program [ 52.711553] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 52.719237] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 52.726481] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 52.733725] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 52.740969] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 52.748223] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 52.767723] FAULT_INJECTION: forcing a failure. [ 52.767723] name failslab, interval 1, probability 0, space 0, times 0 [ 52.779473] CPU: 0 PID: 8116 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 52.787334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.796667] Call Trace: [ 52.799237] dump_stack+0x1b2/0x281 [ 52.802845] should_fail.cold+0x10a/0x149 [ 52.806970] should_failslab+0xd6/0x130 [ 52.810924] kmem_cache_alloc_node+0x263/0x410 [ 52.815488] __alloc_skb+0x5c/0x510 [ 52.819099] kobject_uevent_env+0x882/0xf30 [ 52.823404] device_del+0x642/0xa80 [ 52.827010] ? __device_links_no_driver+0x1b0/0x1b0 [ 52.832004] device_unregister+0x22/0xc0 [ 52.836040] bdi_unregister+0x42f/0x610 [ 52.839988] ? wb_blkcg_offline+0x180/0x180 [ 52.844286] ? generic_shutdown_super+0x276/0x370 [ 52.849106] ? lock_acquire+0x170/0x3f0 [ 52.853142] ? lock_downgrade+0x740/0x740 [ 52.857291] bdi_put+0x127/0x160 [ 52.860642] generic_shutdown_super+0x2aa/0x370 [ 52.865288] kill_anon_super+0x36/0x90 [ 52.869152] deactivate_locked_super+0x6c/0xd0 [ 52.873719] deactivate_super+0x7f/0xa0 [ 52.877757] cleanup_mnt+0x186/0x2c0 [ 52.881448] task_work_run+0x11f/0x190 [ 52.885314] exit_to_usermode_loop+0x1ad/0x200 [ 52.889870] ? SyS_mount+0xd1/0x120 [ 52.893480] do_syscall_64+0x4a3/0x640 [ 52.897352] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 52.902516] RIP: 0033:0x7ff216918509 [ 52.906207] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 executing program [ 52.913892] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 52.921136] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 52.928387] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 52.935651] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 52.942896] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 52.957299] FAULT_INJECTION: forcing a failure. [ 52.957299] name failslab, interval 1, probability 0, space 0, times 0 [ 52.970364] CPU: 0 PID: 8120 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 52.978243] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.987575] Call Trace: [ 52.990145] dump_stack+0x1b2/0x281 [ 52.993751] should_fail.cold+0x10a/0x149 [ 52.997876] should_failslab+0xd6/0x130 [ 53.001833] kmem_cache_alloc_trace+0x29a/0x3d0 [ 53.006482] ? kobj_ns_drop+0x80/0x80 [ 53.010261] call_usermodehelper_setup+0x73/0x2e0 [ 53.015085] kobject_uevent_env+0xc21/0xf30 [ 53.019387] device_del+0x642/0xa80 [ 53.022997] ? __device_links_no_driver+0x1b0/0x1b0 [ 53.027992] device_unregister+0x22/0xc0 [ 53.032031] bdi_unregister+0x42f/0x610 [ 53.035988] ? wb_blkcg_offline+0x180/0x180 [ 53.040285] ? generic_shutdown_super+0x276/0x370 [ 53.045108] ? lock_acquire+0x170/0x3f0 [ 53.049070] ? lock_downgrade+0x740/0x740 [ 53.053198] bdi_put+0x127/0x160 [ 53.056544] generic_shutdown_super+0x2aa/0x370 [ 53.061191] kill_anon_super+0x36/0x90 [ 53.065063] deactivate_locked_super+0x6c/0xd0 [ 53.069635] deactivate_super+0x7f/0xa0 [ 53.073589] cleanup_mnt+0x186/0x2c0 [ 53.077280] task_work_run+0x11f/0x190 [ 53.081152] exit_to_usermode_loop+0x1ad/0x200 [ 53.085715] ? SyS_mount+0xd1/0x120 [ 53.089323] do_syscall_64+0x4a3/0x640 [ 53.093191] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 53.098363] RIP: 0033:0x7ff216918509 [ 53.102047] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 53.109730] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 executing program [ 53.116977] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 53.124230] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 53.131478] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 53.138723] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 53.157049] FAULT_INJECTION: forcing a failure. [ 53.157049] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 53.169483] CPU: 0 PID: 8123 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 53.177360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.186689] Call Trace: [ 53.189257] dump_stack+0x1b2/0x281 [ 53.192864] should_fail.cold+0x10a/0x149 [ 53.196993] __alloc_pages_nodemask+0x22c/0x2720 [ 53.201727] ? unwind_next_frame+0xe54/0x17d0 [ 53.206199] ? __lock_acquire+0x5fc/0x3f20 [ 53.210437] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 53.215259] ? __lock_acquire+0x5fc/0x3f20 [ 53.219475] alloc_pages_vma+0xd2/0x6d0 [ 53.223426] wp_page_copy+0x1f5/0x25c0 [ 53.227299] ? tlb_flush_mmu_free+0x1a0/0x1a0 [ 53.231773] ? __lock_acquire+0x5fc/0x3f20 [ 53.235990] do_wp_page+0x245/0x1db0 [ 53.239686] ? __handle_mm_fault+0x129c/0x4620 [ 53.244245] ? finish_mkwrite_fault+0x5e0/0x5e0 [ 53.248890] __handle_mm_fault+0x234f/0x4620 [ 53.253273] ? vm_insert_page+0x7c0/0x7c0 [ 53.257396] ? lock_acquire+0x170/0x3f0 [ 53.261348] ? mark_held_locks+0xa6/0xf0 [ 53.265393] handle_mm_fault+0x455/0x9c0 executing program [ 53.269436] __do_page_fault+0x549/0xad0 [ 53.273479] ? spurious_fault+0x640/0x640 [ 53.277604] ? do_page_fault+0x60/0x500 [ 53.281555] ? page_fault+0x2f/0x50 [ 53.285174] page_fault+0x45/0x50 [ 53.288602] RIP: 0001:0x7ffc9b2b74f0 [ 53.292288] RSP: 16989140:0000000000000000 EFLAGS: 00000000 [ 53.293168] Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF [ 53.311971] FAULT_INJECTION: forcing a failure. [ 53.311971] name failslab, interval 1, probability 0, space 0, times 0 [ 53.323562] CPU: 1 PID: 8127 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 53.331425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.340756] Call Trace: [ 53.343327] dump_stack+0x1b2/0x281 [ 53.347023] should_fail.cold+0x10a/0x149 [ 53.351150] should_failslab+0xd6/0x130 [ 53.355105] kmem_cache_alloc_trace+0x29a/0x3d0 [ 53.359754] ? kobj_ns_drop+0x80/0x80 [ 53.363533] call_usermodehelper_setup+0x73/0x2e0 [ 53.368355] kobject_uevent_env+0xc21/0xf30 [ 53.372657] device_del+0x642/0xa80 [ 53.376276] ? __device_links_no_driver+0x1b0/0x1b0 [ 53.381280] device_unregister+0x22/0xc0 [ 53.385320] bdi_unregister+0x42f/0x610 [ 53.389269] ? wb_blkcg_offline+0x180/0x180 [ 53.393565] ? generic_shutdown_super+0x276/0x370 [ 53.398387] ? lock_acquire+0x170/0x3f0 [ 53.402336] ? lock_downgrade+0x740/0x740 [ 53.406460] bdi_put+0x127/0x160 [ 53.409803] generic_shutdown_super+0x2aa/0x370 [ 53.414453] kill_anon_super+0x36/0x90 [ 53.418429] deactivate_locked_super+0x6c/0xd0 [ 53.422992] deactivate_super+0x7f/0xa0 [ 53.426944] cleanup_mnt+0x186/0x2c0 [ 53.430636] task_work_run+0x11f/0x190 [ 53.434514] exit_to_usermode_loop+0x1ad/0x200 [ 53.439075] ? SyS_mount+0xd1/0x120 [ 53.442677] do_syscall_64+0x4a3/0x640 [ 53.446545] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 53.451710] RIP: 0033:0x7ff216918509 [ 53.455396] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 53.463077] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 executing program [ 53.470322] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 53.477568] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 53.484813] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 53.492060] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 53.509730] FAULT_INJECTION: forcing a failure. [ 53.509730] name failslab, interval 1, probability 0, space 0, times 0 [ 53.521045] CPU: 0 PID: 8130 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 53.528907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.538233] Call Trace: [ 53.540799] dump_stack+0x1b2/0x281 [ 53.544405] should_fail.cold+0x10a/0x149 [ 53.548531] should_failslab+0xd6/0x130 [ 53.552491] kmem_cache_alloc_node_trace+0x25a/0x400 [ 53.557573] __kmalloc_node_track_caller+0x38/0x70 [ 53.562477] __alloc_skb+0x96/0x510 [ 53.566087] kobject_uevent_env+0x882/0xf30 [ 53.570386] ? is_acpi_device_node+0x5b/0x70 [ 53.574769] device_del+0x642/0xa80 [ 53.578371] ? __device_links_no_driver+0x1b0/0x1b0 [ 53.583364] device_unregister+0x22/0xc0 [ 53.587400] bdi_unregister+0x42f/0x610 [ 53.591350] ? wb_blkcg_offline+0x180/0x180 [ 53.595645] ? generic_shutdown_super+0x276/0x370 [ 53.600471] ? lock_acquire+0x170/0x3f0 [ 53.604423] ? lock_downgrade+0x740/0x740 [ 53.608551] bdi_put+0x127/0x160 [ 53.611895] generic_shutdown_super+0x2aa/0x370 [ 53.616562] kill_anon_super+0x36/0x90 [ 53.620432] deactivate_locked_super+0x6c/0xd0 [ 53.624998] deactivate_super+0x7f/0xa0 [ 53.628952] cleanup_mnt+0x186/0x2c0 [ 53.632643] task_work_run+0x11f/0x190 [ 53.636506] exit_to_usermode_loop+0x1ad/0x200 [ 53.641062] ? SyS_mount+0xd1/0x120 [ 53.644663] do_syscall_64+0x4a3/0x640 [ 53.648529] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 53.653703] RIP: 0033:0x7ff216918509 [ 53.657389] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 53.665072] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 executing program [ 53.672317] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 53.679563] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 53.686808] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 53.694053] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 53.709470] FAULT_INJECTION: forcing a failure. [ 53.709470] name failslab, interval 1, probability 0, space 0, times 0 [ 53.722681] CPU: 0 PID: 8134 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 53.730559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.739938] Call Trace: [ 53.742511] dump_stack+0x1b2/0x281 [ 53.746126] should_fail.cold+0x10a/0x149 [ 53.750269] should_failslab+0xd6/0x130 [ 53.754230] kmem_cache_alloc_node+0x263/0x410 [ 53.758794] __alloc_skb+0x5c/0x510 [ 53.762402] kobject_uevent_env+0x882/0xf30 [ 53.766705] device_del+0x642/0xa80 [ 53.770315] ? __device_links_no_driver+0x1b0/0x1b0 [ 53.775332] device_unregister+0x22/0xc0 [ 53.779381] bdi_unregister+0x42f/0x610 [ 53.783452] ? wb_blkcg_offline+0x180/0x180 [ 53.787757] ? generic_shutdown_super+0x276/0x370 [ 53.792578] ? lock_acquire+0x170/0x3f0 [ 53.796526] ? lock_downgrade+0x740/0x740 [ 53.800649] bdi_put+0x127/0x160 [ 53.804000] generic_shutdown_super+0x2aa/0x370 [ 53.808650] kill_anon_super+0x36/0x90 [ 53.812514] deactivate_locked_super+0x6c/0xd0 [ 53.817074] deactivate_super+0x7f/0xa0 [ 53.821111] cleanup_mnt+0x186/0x2c0 [ 53.824802] task_work_run+0x11f/0x190 [ 53.828669] exit_to_usermode_loop+0x1ad/0x200 [ 53.833225] ? SyS_mount+0xd1/0x120 [ 53.836831] do_syscall_64+0x4a3/0x640 [ 53.840697] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 53.845864] RIP: 0033:0x7ff216918509 [ 53.849551] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 53.857240] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 53.864495] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 executing program [ 53.871740] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 53.878989] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 53.886239] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 53.904695] FAULT_INJECTION: forcing a failure. [ 53.904695] name failslab, interval 1, probability 0, space 0, times 0 [ 53.917975] CPU: 0 PID: 8138 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 53.925856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.935207] Call Trace: [ 53.937774] dump_stack+0x1b2/0x281 [ 53.941380] should_fail.cold+0x10a/0x149 [ 53.945505] should_failslab+0xd6/0x130 [ 53.949458] kmem_cache_alloc_node_trace+0x25a/0x400 [ 53.954538] __kmalloc_node_track_caller+0x38/0x70 [ 53.959446] __alloc_skb+0x96/0x510 [ 53.963050] kobject_uevent_env+0x882/0xf30 [ 53.967350] ? is_acpi_device_node+0x5b/0x70 [ 53.971735] device_del+0x642/0xa80 [ 53.975341] ? __device_links_no_driver+0x1b0/0x1b0 [ 53.980344] device_unregister+0x22/0xc0 [ 53.984382] bdi_unregister+0x42f/0x610 [ 53.988336] ? wb_blkcg_offline+0x180/0x180 [ 53.992634] ? generic_shutdown_super+0x276/0x370 [ 53.997452] ? lock_acquire+0x170/0x3f0 [ 54.001403] ? lock_downgrade+0x740/0x740 [ 54.005548] bdi_put+0x127/0x160 [ 54.008893] generic_shutdown_super+0x2aa/0x370 [ 54.013539] kill_anon_super+0x36/0x90 [ 54.017402] deactivate_locked_super+0x6c/0xd0 [ 54.021959] deactivate_super+0x7f/0xa0 [ 54.025908] cleanup_mnt+0x186/0x2c0 [ 54.029600] task_work_run+0x11f/0x190 [ 54.033464] exit_to_usermode_loop+0x1ad/0x200 [ 54.038035] ? SyS_mount+0xd1/0x120 [ 54.041638] do_syscall_64+0x4a3/0x640 [ 54.045507] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 54.050672] RIP: 0033:0x7ff216918509 [ 54.054356] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 54.062047] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 executing program [ 54.069290] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 54.076535] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 54.083778] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 54.091023] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 54.108263] FAULT_INJECTION: forcing a failure. [ 54.108263] name failslab, interval 1, probability 0, space 0, times 0 [ 54.121940] CPU: 0 PID: 8142 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 54.129816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.139151] Call Trace: [ 54.141719] dump_stack+0x1b2/0x281 [ 54.145324] should_fail.cold+0x10a/0x149 [ 54.149450] should_failslab+0xd6/0x130 [ 54.153404] kmem_cache_alloc_node_trace+0x25a/0x400 [ 54.158484] __kmalloc_node_track_caller+0x38/0x70 [ 54.163389] __alloc_skb+0x96/0x510 [ 54.166998] kobject_uevent_env+0x882/0xf30 [ 54.171297] ? is_acpi_device_node+0x5b/0x70 [ 54.175683] device_del+0x642/0xa80 [ 54.179292] ? __device_links_no_driver+0x1b0/0x1b0 [ 54.184322] device_unregister+0x22/0xc0 [ 54.188362] bdi_unregister+0x42f/0x610 [ 54.192311] ? wb_blkcg_offline+0x180/0x180 [ 54.196608] ? generic_shutdown_super+0x276/0x370 [ 54.201424] ? lock_acquire+0x170/0x3f0 [ 54.205373] ? lock_downgrade+0x740/0x740 [ 54.209496] bdi_put+0x127/0x160 [ 54.212841] generic_shutdown_super+0x2aa/0x370 [ 54.217486] kill_anon_super+0x36/0x90 [ 54.221350] deactivate_locked_super+0x6c/0xd0 [ 54.225909] deactivate_super+0x7f/0xa0 [ 54.229866] cleanup_mnt+0x186/0x2c0 [ 54.233556] task_work_run+0x11f/0x190 [ 54.237422] exit_to_usermode_loop+0x1ad/0x200 [ 54.241979] ? SyS_mount+0xd1/0x120 [ 54.245585] do_syscall_64+0x4a3/0x640 [ 54.249452] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 54.254623] RIP: 0033:0x7ff216918509 [ 54.258313] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 54.265998] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 executing program [ 54.273245] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 54.280492] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 54.287736] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 54.294997] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 54.309128] FAULT_INJECTION: forcing a failure. [ 54.309128] name failslab, interval 1, probability 0, space 0, times 0 [ 54.322270] CPU: 0 PID: 8146 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 54.330152] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.339494] Call Trace: [ 54.342063] dump_stack+0x1b2/0x281 [ 54.345671] should_fail.cold+0x10a/0x149 [ 54.349802] should_failslab+0xd6/0x130 [ 54.353755] kmem_cache_alloc_node_trace+0x25a/0x400 [ 54.358834] __kmalloc_node_track_caller+0x38/0x70 [ 54.363740] __alloc_skb+0x96/0x510 [ 54.367432] kobject_uevent_env+0x882/0xf30 [ 54.371732] ? is_acpi_device_node+0x5b/0x70 [ 54.376124] device_del+0x642/0xa80 [ 54.379726] ? __device_links_no_driver+0x1b0/0x1b0 [ 54.384735] device_unregister+0x22/0xc0 [ 54.388772] bdi_unregister+0x42f/0x610 [ 54.392739] ? wb_blkcg_offline+0x180/0x180 [ 54.397039] ? generic_shutdown_super+0x276/0x370 [ 54.401859] ? lock_acquire+0x170/0x3f0 [ 54.405810] ? lock_downgrade+0x740/0x740 [ 54.409935] bdi_put+0x127/0x160 [ 54.413285] generic_shutdown_super+0x2aa/0x370 [ 54.417940] kill_anon_super+0x36/0x90 [ 54.421805] deactivate_locked_super+0x6c/0xd0 [ 54.426360] deactivate_super+0x7f/0xa0 [ 54.430313] cleanup_mnt+0x186/0x2c0 [ 54.434004] task_work_run+0x11f/0x190 [ 54.437874] exit_to_usermode_loop+0x1ad/0x200 [ 54.442430] ? SyS_mount+0xd1/0x120 [ 54.446033] do_syscall_64+0x4a3/0x640 [ 54.449902] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 54.455068] RIP: 0033:0x7ff216918509 [ 54.458755] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 54.466438] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 executing program [ 54.473683] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 54.480930] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 54.488175] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 54.495419] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 54.510099] FAULT_INJECTION: forcing a failure. [ 54.510099] name failslab, interval 1, probability 0, space 0, times 0 [ 54.523171] CPU: 0 PID: 8150 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 54.531048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.540378] Call Trace: [ 54.542944] dump_stack+0x1b2/0x281 [ 54.546551] should_fail.cold+0x10a/0x149 [ 54.550678] should_failslab+0xd6/0x130 [ 54.554658] __kmalloc+0x2c1/0x400 [ 54.558174] ? kobject_get_path+0xb5/0x230 [ 54.562384] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 54.567811] kobject_get_path+0xb5/0x230 [ 54.571848] kobject_uevent_env+0x230/0xf30 [ 54.576147] ? wait_for_completion_io+0x10/0x10 [ 54.580790] ? is_acpi_device_node+0x5b/0x70 [ 54.585175] device_del+0x642/0xa80 [ 54.588779] ? __device_links_no_driver+0x1b0/0x1b0 [ 54.593774] device_unregister+0x22/0xc0 [ 54.597810] bdi_unregister+0x42f/0x610 [ 54.601760] ? wb_blkcg_offline+0x180/0x180 [ 54.606058] ? generic_shutdown_super+0x276/0x370 [ 54.610877] ? lock_acquire+0x170/0x3f0 [ 54.614825] ? lock_downgrade+0x740/0x740 [ 54.618957] bdi_put+0x127/0x160 [ 54.622309] generic_shutdown_super+0x2aa/0x370 [ 54.626958] kill_anon_super+0x36/0x90 [ 54.630821] deactivate_locked_super+0x6c/0xd0 [ 54.635378] deactivate_super+0x7f/0xa0 [ 54.639326] cleanup_mnt+0x186/0x2c0 [ 54.643021] task_work_run+0x11f/0x190 [ 54.646885] exit_to_usermode_loop+0x1ad/0x200 [ 54.651441] ? SyS_mount+0xd1/0x120 [ 54.655045] do_syscall_64+0x4a3/0x640 [ 54.658910] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 54.664083] RIP: 0033:0x7ff216918509 [ 54.667768] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 executing program [ 54.675451] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 54.682726] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 54.689980] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 54.697236] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 54.704483] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 54.719914] FAULT_INJECTION: forcing a failure. [ 54.719914] name failslab, interval 1, probability 0, space 0, times 0 [ 54.733688] CPU: 0 PID: 8153 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 54.741572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.750913] Call Trace: [ 54.753485] dump_stack+0x1b2/0x281 [ 54.757101] should_fail.cold+0x10a/0x149 [ 54.761236] should_failslab+0xd6/0x130 [ 54.765186] kmem_cache_alloc_node+0x263/0x410 [ 54.769748] __alloc_skb+0x5c/0x510 [ 54.773355] kobject_uevent_env+0x882/0xf30 [ 54.777656] device_del+0x642/0xa80 [ 54.781263] ? __device_links_no_driver+0x1b0/0x1b0 [ 54.786258] device_unregister+0x22/0xc0 [ 54.790298] bdi_unregister+0x42f/0x610 [ 54.794249] ? wb_blkcg_offline+0x180/0x180 [ 54.798549] ? generic_shutdown_super+0x276/0x370 [ 54.803370] ? lock_acquire+0x170/0x3f0 [ 54.807327] ? lock_downgrade+0x740/0x740 [ 54.811452] bdi_put+0x127/0x160 [ 54.814804] generic_shutdown_super+0x2aa/0x370 [ 54.819457] kill_anon_super+0x36/0x90 [ 54.823581] deactivate_locked_super+0x6c/0xd0 [ 54.828140] deactivate_super+0x7f/0xa0 [ 54.832099] cleanup_mnt+0x186/0x2c0 [ 54.835794] task_work_run+0x11f/0x190 [ 54.839666] exit_to_usermode_loop+0x1ad/0x200 [ 54.844227] ? SyS_mount+0xd1/0x120 [ 54.847836] do_syscall_64+0x4a3/0x640 [ 54.851704] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 54.856881] RIP: 0033:0x7ff216918509 [ 54.860607] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 54.868300] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 executing program [ 54.875545] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 54.882790] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 54.890038] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 54.897282] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 54.912593] FAULT_INJECTION: forcing a failure. [ 54.912593] name failslab, interval 1, probability 0, space 0, times 0 [ 54.925785] CPU: 0 PID: 8157 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 54.933675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.943011] Call Trace: [ 54.945583] dump_stack+0x1b2/0x281 [ 54.949200] should_fail.cold+0x10a/0x149 [ 54.953329] should_failslab+0xd6/0x130 [ 54.957284] kmem_cache_alloc_node_trace+0x25a/0x400 [ 54.962376] __kmalloc_node_track_caller+0x38/0x70 [ 54.967295] __alloc_skb+0x96/0x510 [ 54.970907] kobject_uevent_env+0x882/0xf30 [ 54.975208] ? is_acpi_device_node+0x5b/0x70 [ 54.979598] device_del+0x642/0xa80 [ 54.983205] ? __device_links_no_driver+0x1b0/0x1b0 [ 54.988203] device_unregister+0x22/0xc0 [ 54.992248] bdi_unregister+0x42f/0x610 [ 54.996202] ? wb_blkcg_offline+0x180/0x180 [ 55.000500] ? generic_shutdown_super+0x276/0x370 [ 55.005323] ? lock_acquire+0x170/0x3f0 [ 55.009271] ? lock_downgrade+0x740/0x740 [ 55.013398] bdi_put+0x127/0x160 [ 55.016743] generic_shutdown_super+0x2aa/0x370 [ 55.021387] kill_anon_super+0x36/0x90 [ 55.025251] deactivate_locked_super+0x6c/0xd0 [ 55.029810] deactivate_super+0x7f/0xa0 [ 55.033762] cleanup_mnt+0x186/0x2c0 [ 55.037452] task_work_run+0x11f/0x190 [ 55.041321] exit_to_usermode_loop+0x1ad/0x200 [ 55.045883] ? SyS_mount+0xd1/0x120 [ 55.049488] do_syscall_64+0x4a3/0x640 [ 55.053358] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 55.058524] RIP: 0033:0x7ff216918509 [ 55.062209] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 55.069892] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 executing program [ 55.077138] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 55.084384] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 55.091630] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 55.098880] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 55.113749] FAULT_INJECTION: forcing a failure. [ 55.113749] name failslab, interval 1, probability 0, space 0, times 0 [ 55.127545] CPU: 0 PID: 8161 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 55.135432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.144763] Call Trace: [ 55.147334] dump_stack+0x1b2/0x281 [ 55.150943] should_fail.cold+0x10a/0x149 [ 55.155075] should_failslab+0xd6/0x130 [ 55.159027] kmem_cache_alloc_node+0x263/0x410 [ 55.163594] __alloc_skb+0x5c/0x510 [ 55.167210] kobject_uevent_env+0x882/0xf30 [ 55.171513] device_del+0x642/0xa80 [ 55.175118] ? __device_links_no_driver+0x1b0/0x1b0 [ 55.180114] device_unregister+0x22/0xc0 [ 55.184157] bdi_unregister+0x42f/0x610 [ 55.188108] ? wb_blkcg_offline+0x180/0x180 [ 55.192406] ? generic_shutdown_super+0x276/0x370 [ 55.197227] ? lock_acquire+0x170/0x3f0 [ 55.201177] ? lock_downgrade+0x740/0x740 [ 55.205302] bdi_put+0x127/0x160 [ 55.208654] generic_shutdown_super+0x2aa/0x370 [ 55.213303] kill_anon_super+0x36/0x90 [ 55.217169] deactivate_locked_super+0x6c/0xd0 [ 55.221732] deactivate_super+0x7f/0xa0 [ 55.225686] cleanup_mnt+0x186/0x2c0 [ 55.229379] task_work_run+0x11f/0x190 [ 55.233247] exit_to_usermode_loop+0x1ad/0x200 [ 55.237811] ? SyS_mount+0xd1/0x120 [ 55.241413] do_syscall_64+0x4a3/0x640 [ 55.245282] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 55.250447] RIP: 0033:0x7ff216918509 [ 55.254244] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 55.261927] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 55.269170] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 executing program [ 55.276418] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 55.283663] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 55.290917] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 55.306511] FAULT_INJECTION: forcing a failure. [ 55.306511] name failslab, interval 1, probability 0, space 0, times 0 [ 55.319685] CPU: 0 PID: 8165 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 55.327566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.336904] Call Trace: [ 55.339469] dump_stack+0x1b2/0x281 [ 55.343252] should_fail.cold+0x10a/0x149 [ 55.347487] should_failslab+0xd6/0x130 [ 55.351441] kmem_cache_alloc_node+0x263/0x410 [ 55.356004] __alloc_skb+0x5c/0x510 [ 55.359610] kobject_uevent_env+0x882/0xf30 [ 55.363913] device_del+0x642/0xa80 [ 55.367516] ? __device_links_no_driver+0x1b0/0x1b0 [ 55.372511] device_unregister+0x22/0xc0 [ 55.376549] bdi_unregister+0x42f/0x610 [ 55.380506] ? wb_blkcg_offline+0x180/0x180 [ 55.384807] ? generic_shutdown_super+0x276/0x370 [ 55.389630] ? lock_acquire+0x170/0x3f0 [ 55.393587] ? lock_downgrade+0x740/0x740 [ 55.397712] bdi_put+0x127/0x160 [ 55.401056] generic_shutdown_super+0x2aa/0x370 [ 55.405730] kill_anon_super+0x36/0x90 [ 55.409594] deactivate_locked_super+0x6c/0xd0 [ 55.414150] deactivate_super+0x7f/0xa0 [ 55.418120] cleanup_mnt+0x186/0x2c0 [ 55.421812] task_work_run+0x11f/0x190 [ 55.425677] exit_to_usermode_loop+0x1ad/0x200 [ 55.430238] ? SyS_mount+0xd1/0x120 [ 55.433852] do_syscall_64+0x4a3/0x640 [ 55.437718] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 55.442883] RIP: 0033:0x7ff216918509 [ 55.446569] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 55.454252] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 55.461498] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 55.468748] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d executing program [ 55.475998] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 55.483257] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 55.500507] FAULT_INJECTION: forcing a failure. [ 55.500507] name failslab, interval 1, probability 0, space 0, times 0 [ 55.513815] CPU: 0 PID: 8169 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 55.521700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.531049] Call Trace: [ 55.533623] dump_stack+0x1b2/0x281 [ 55.537230] should_fail.cold+0x10a/0x149 [ 55.541356] should_failslab+0xd6/0x130 [ 55.545309] kmem_cache_alloc_node_trace+0x25a/0x400 [ 55.550419] __kmalloc_node_track_caller+0x38/0x70 [ 55.555331] __alloc_skb+0x96/0x510 [ 55.558954] kobject_uevent_env+0x882/0xf30 [ 55.563255] ? is_acpi_device_node+0x5b/0x70 [ 55.567643] device_del+0x642/0xa80 [ 55.571256] ? __device_links_no_driver+0x1b0/0x1b0 [ 55.576253] device_unregister+0x22/0xc0 [ 55.580293] bdi_unregister+0x42f/0x610 [ 55.584246] ? wb_blkcg_offline+0x180/0x180 [ 55.588552] ? generic_shutdown_super+0x276/0x370 [ 55.593381] ? lock_acquire+0x170/0x3f0 [ 55.597335] ? lock_downgrade+0x740/0x740 [ 55.601464] bdi_put+0x127/0x160 [ 55.604815] generic_shutdown_super+0x2aa/0x370 [ 55.609463] kill_anon_super+0x36/0x90 [ 55.613327] deactivate_locked_super+0x6c/0xd0 [ 55.617884] deactivate_super+0x7f/0xa0 [ 55.621834] cleanup_mnt+0x186/0x2c0 [ 55.625528] task_work_run+0x11f/0x190 [ 55.629395] exit_to_usermode_loop+0x1ad/0x200 [ 55.633952] ? SyS_mount+0xd1/0x120 [ 55.637568] do_syscall_64+0x4a3/0x640 [ 55.641435] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 55.646601] RIP: 0033:0x7ff216918509 [ 55.650301] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 55.657990] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 55.665242] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 55.672499] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d executing program [ 55.679745] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 55.686996] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 55.701790] FAULT_INJECTION: forcing a failure. [ 55.701790] name failslab, interval 1, probability 0, space 0, times 0 [ 55.716352] CPU: 0 PID: 8173 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 55.724234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.733574] Call Trace: [ 55.736142] dump_stack+0x1b2/0x281 [ 55.739746] should_fail.cold+0x10a/0x149 [ 55.743875] should_failslab+0xd6/0x130 [ 55.747826] kmem_cache_alloc_node+0x263/0x410 [ 55.752386] __alloc_skb+0x5c/0x510 [ 55.755998] kobject_uevent_env+0x882/0xf30 [ 55.760313] ? is_acpi_device_node+0x5b/0x70 [ 55.764697] device_del+0x642/0xa80 [ 55.768301] ? __device_links_no_driver+0x1b0/0x1b0 [ 55.773293] device_unregister+0x22/0xc0 [ 55.777329] bdi_unregister+0x42f/0x610 [ 55.781280] ? wb_blkcg_offline+0x180/0x180 [ 55.785577] ? generic_shutdown_super+0x276/0x370 [ 55.790395] ? lock_acquire+0x170/0x3f0 [ 55.794344] ? lock_downgrade+0x740/0x740 [ 55.798467] bdi_put+0x127/0x160 [ 55.801813] generic_shutdown_super+0x2aa/0x370 [ 55.806456] kill_anon_super+0x36/0x90 [ 55.810319] deactivate_locked_super+0x6c/0xd0 [ 55.814894] deactivate_super+0x7f/0xa0 [ 55.818843] cleanup_mnt+0x186/0x2c0 [ 55.822534] task_work_run+0x11f/0x190 [ 55.826398] exit_to_usermode_loop+0x1ad/0x200 [ 55.830954] ? SyS_mount+0xd1/0x120 [ 55.834555] do_syscall_64+0x4a3/0x640 [ 55.838421] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 55.843605] RIP: 0033:0x7ff216918509 [ 55.847293] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 55.854975] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 55.862217] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 55.869461] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d executing program [ 55.876708] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 55.883954] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 55.902248] FAULT_INJECTION: forcing a failure. [ 55.902248] name failslab, interval 1, probability 0, space 0, times 0 [ 55.913620] CPU: 0 PID: 8177 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 55.921483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.930812] Call Trace: [ 55.933378] dump_stack+0x1b2/0x281 [ 55.936985] should_fail.cold+0x10a/0x149 [ 55.941111] should_failslab+0xd6/0x130 [ 55.945064] kmem_cache_alloc_node_trace+0x25a/0x400 [ 55.950143] __kmalloc_node_track_caller+0x38/0x70 [ 55.955050] __alloc_skb+0x96/0x510 [ 55.958790] kobject_uevent_env+0x882/0xf30 [ 55.963098] ? is_acpi_device_node+0x5b/0x70 [ 55.967483] device_del+0x642/0xa80 [ 55.971090] ? __device_links_no_driver+0x1b0/0x1b0 [ 55.976084] device_unregister+0x22/0xc0 [ 55.980131] bdi_unregister+0x42f/0x610 [ 55.984094] ? wb_blkcg_offline+0x180/0x180 [ 55.988393] ? generic_shutdown_super+0x276/0x370 [ 55.993223] ? lock_acquire+0x170/0x3f0 [ 55.997185] ? lock_downgrade+0x740/0x740 [ 56.001315] bdi_put+0x127/0x160 [ 56.004660] generic_shutdown_super+0x2aa/0x370 [ 56.009304] kill_anon_super+0x36/0x90 [ 56.013168] deactivate_locked_super+0x6c/0xd0 [ 56.017733] deactivate_super+0x7f/0xa0 [ 56.021685] cleanup_mnt+0x186/0x2c0 [ 56.025376] task_work_run+0x11f/0x190 [ 56.029242] exit_to_usermode_loop+0x1ad/0x200 [ 56.033799] ? SyS_mount+0xd1/0x120 [ 56.037401] do_syscall_64+0x4a3/0x640 [ 56.041269] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 56.046434] RIP: 0033:0x7ff216918509 [ 56.050125] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 56.057819] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 56.065066] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 56.072317] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d executing program [ 56.079567] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 56.086815] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 56.107426] FAULT_INJECTION: forcing a failure. [ 56.107426] name failslab, interval 1, probability 0, space 0, times 0 [ 56.118845] CPU: 0 PID: 8181 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 56.126706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.136037] Call Trace: [ 56.138603] dump_stack+0x1b2/0x281 [ 56.142214] should_fail.cold+0x10a/0x149 [ 56.146339] should_failslab+0xd6/0x130 [ 56.150292] kmem_cache_alloc_node_trace+0x25a/0x400 [ 56.155374] __kmalloc_node_track_caller+0x38/0x70 [ 56.160280] __alloc_skb+0x96/0x510 [ 56.163884] kobject_uevent_env+0x882/0xf30 [ 56.168183] ? is_acpi_device_node+0x5b/0x70 [ 56.172567] device_del+0x642/0xa80 [ 56.176170] ? __device_links_no_driver+0x1b0/0x1b0 [ 56.181164] device_unregister+0x22/0xc0 [ 56.185209] bdi_unregister+0x42f/0x610 [ 56.189161] ? wb_blkcg_offline+0x180/0x180 [ 56.193459] ? generic_shutdown_super+0x276/0x370 [ 56.198281] ? lock_acquire+0x170/0x3f0 [ 56.202228] ? lock_downgrade+0x740/0x740 [ 56.206354] bdi_put+0x127/0x160 [ 56.209699] generic_shutdown_super+0x2aa/0x370 [ 56.214343] kill_anon_super+0x36/0x90 [ 56.218210] deactivate_locked_super+0x6c/0xd0 [ 56.222765] deactivate_super+0x7f/0xa0 [ 56.226716] cleanup_mnt+0x186/0x2c0 [ 56.230407] task_work_run+0x11f/0x190 [ 56.234272] exit_to_usermode_loop+0x1ad/0x200 [ 56.238830] ? SyS_mount+0xd1/0x120 [ 56.242432] do_syscall_64+0x4a3/0x640 [ 56.246297] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 56.251461] RIP: 0033:0x7ff216918509 [ 56.255148] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 56.262832] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 56.270078] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 56.277322] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d executing program [ 56.284566] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 56.291812] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 56.306359] FAULT_INJECTION: forcing a failure. [ 56.306359] name failslab, interval 1, probability 0, space 0, times 0 [ 56.319498] CPU: 0 PID: 8185 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 56.327465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.336798] Call Trace: [ 56.339363] dump_stack+0x1b2/0x281 [ 56.342973] should_fail.cold+0x10a/0x149 [ 56.347104] should_failslab+0xd6/0x130 [ 56.351057] kmem_cache_alloc_node_trace+0x25a/0x400 [ 56.356136] __kmalloc_node_track_caller+0x38/0x70 [ 56.361044] __alloc_skb+0x96/0x510 [ 56.364647] kobject_uevent_env+0x882/0xf30 [ 56.368944] ? is_acpi_device_node+0x5b/0x70 [ 56.373328] device_del+0x642/0xa80 [ 56.376932] ? __device_links_no_driver+0x1b0/0x1b0 [ 56.381925] device_unregister+0x22/0xc0 [ 56.385966] bdi_unregister+0x42f/0x610 [ 56.389925] ? wb_blkcg_offline+0x180/0x180 [ 56.394228] ? generic_shutdown_super+0x276/0x370 [ 56.399048] ? lock_acquire+0x170/0x3f0 [ 56.402998] ? lock_downgrade+0x740/0x740 [ 56.407128] bdi_put+0x127/0x160 [ 56.410474] generic_shutdown_super+0x2aa/0x370 [ 56.415118] kill_anon_super+0x36/0x90 [ 56.418982] deactivate_locked_super+0x6c/0xd0 [ 56.423539] deactivate_super+0x7f/0xa0 [ 56.427486] cleanup_mnt+0x186/0x2c0 [ 56.431175] task_work_run+0x11f/0x190 [ 56.435039] exit_to_usermode_loop+0x1ad/0x200 [ 56.439594] ? SyS_mount+0xd1/0x120 [ 56.443197] do_syscall_64+0x4a3/0x640 [ 56.447062] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 56.452226] RIP: 0033:0x7ff216918509 [ 56.455918] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 56.463598] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 56.470934] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 56.478177] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d executing program [ 56.485422] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 56.492666] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 56.507290] FAULT_INJECTION: forcing a failure. [ 56.507290] name failslab, interval 1, probability 0, space 0, times 0 [ 56.519140] CPU: 0 PID: 8189 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 56.527012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.536339] Call Trace: [ 56.538903] dump_stack+0x1b2/0x281 [ 56.542507] should_fail.cold+0x10a/0x149 [ 56.546631] should_failslab+0xd6/0x130 [ 56.550602] kmem_cache_alloc_node+0x263/0x410 [ 56.555162] __alloc_skb+0x5c/0x510 [ 56.558771] kobject_uevent_env+0x882/0xf30 [ 56.563072] device_del+0x642/0xa80 [ 56.566684] ? __device_links_no_driver+0x1b0/0x1b0 [ 56.571677] device_unregister+0x22/0xc0 [ 56.575717] bdi_unregister+0x42f/0x610 [ 56.579670] ? wb_blkcg_offline+0x180/0x180 [ 56.583966] ? generic_shutdown_super+0x276/0x370 [ 56.588783] ? lock_acquire+0x170/0x3f0 [ 56.592731] ? lock_downgrade+0x740/0x740 [ 56.596855] bdi_put+0x127/0x160 [ 56.600200] generic_shutdown_super+0x2aa/0x370 [ 56.604847] kill_anon_super+0x36/0x90 [ 56.608712] deactivate_locked_super+0x6c/0xd0 [ 56.613269] deactivate_super+0x7f/0xa0 [ 56.617223] cleanup_mnt+0x186/0x2c0 [ 56.620913] task_work_run+0x11f/0x190 [ 56.624776] exit_to_usermode_loop+0x1ad/0x200 [ 56.629331] ? SyS_mount+0xd1/0x120 [ 56.632938] do_syscall_64+0x4a3/0x640 [ 56.636804] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 56.641970] RIP: 0033:0x7ff216918509 [ 56.645657] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 56.653341] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 56.660585] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 56.667829] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 56.675073] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 executing program [ 56.682318] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 56.700698] FAULT_INJECTION: forcing a failure. [ 56.700698] name failslab, interval 1, probability 0, space 0, times 0 [ 56.712135] CPU: 1 PID: 8193 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 56.719995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.729330] Call Trace: [ 56.731903] dump_stack+0x1b2/0x281 [ 56.735513] should_fail.cold+0x10a/0x149 [ 56.739641] should_failslab+0xd6/0x130 [ 56.743593] kmem_cache_alloc_node_trace+0x25a/0x400 [ 56.748675] __kmalloc_node_track_caller+0x38/0x70 [ 56.753581] __alloc_skb+0x96/0x510 [ 56.757187] kobject_uevent_env+0x882/0xf30 [ 56.761487] device_del+0x642/0xa80 [ 56.765091] ? __device_links_no_driver+0x1b0/0x1b0 [ 56.770085] device_unregister+0x22/0xc0 [ 56.774124] bdi_unregister+0x42f/0x610 [ 56.778073] ? wb_blkcg_offline+0x180/0x180 [ 56.782369] ? generic_shutdown_super+0x276/0x370 [ 56.787187] ? lock_acquire+0x170/0x3f0 [ 56.791138] ? lock_downgrade+0x740/0x740 [ 56.795262] bdi_put+0x127/0x160 [ 56.798607] generic_shutdown_super+0x2aa/0x370 [ 56.803257] kill_anon_super+0x36/0x90 [ 56.807127] deactivate_locked_super+0x6c/0xd0 [ 56.811688] deactivate_super+0x7f/0xa0 [ 56.815641] cleanup_mnt+0x186/0x2c0 [ 56.819331] task_work_run+0x11f/0x190 [ 56.823196] exit_to_usermode_loop+0x1ad/0x200 [ 56.827753] ? SyS_mount+0xd1/0x120 [ 56.831355] do_syscall_64+0x4a3/0x640 [ 56.835218] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 56.840381] RIP: 0033:0x7ff216918509 [ 56.844067] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 56.851749] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 56.858995] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 56.866240] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 56.873483] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 executing program [ 56.880728] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 56.894552] FAULT_INJECTION: forcing a failure. [ 56.894552] name failslab, interval 1, probability 0, space 0, times 0 [ 56.905958] CPU: 1 PID: 8197 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 56.913830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.923161] Call Trace: [ 56.925727] dump_stack+0x1b2/0x281 [ 56.929331] should_fail.cold+0x10a/0x149 [ 56.933456] should_failslab+0xd6/0x130 [ 56.937407] kmem_cache_alloc_node+0x263/0x410 [ 56.941964] __alloc_skb+0x5c/0x510 [ 56.945568] kobject_uevent_env+0x882/0xf30 [ 56.949879] device_del+0x642/0xa80 [ 56.953490] ? __device_links_no_driver+0x1b0/0x1b0 [ 56.958481] device_unregister+0x22/0xc0 [ 56.962517] bdi_unregister+0x42f/0x610 [ 56.966672] ? wb_blkcg_offline+0x180/0x180 [ 56.970977] ? generic_shutdown_super+0x276/0x370 [ 56.975861] ? lock_acquire+0x170/0x3f0 [ 56.979816] ? lock_downgrade+0x740/0x740 [ 56.983948] bdi_put+0x127/0x160 [ 56.987292] generic_shutdown_super+0x2aa/0x370 [ 56.991949] kill_anon_super+0x36/0x90 [ 56.995814] deactivate_locked_super+0x6c/0xd0 [ 57.000377] deactivate_super+0x7f/0xa0 [ 57.004328] cleanup_mnt+0x186/0x2c0 [ 57.008019] task_work_run+0x11f/0x190 [ 57.011885] exit_to_usermode_loop+0x1ad/0x200 [ 57.016442] ? SyS_mount+0xd1/0x120 [ 57.020044] do_syscall_64+0x4a3/0x640 [ 57.023909] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 57.029072] RIP: 0033:0x7ff216918509 executing program [ 57.032759] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 57.040440] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 57.047686] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 57.054931] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 57.062177] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 57.069420] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 57.084386] FAULT_INJECTION: forcing a failure. [ 57.084386] name failslab, interval 1, probability 0, space 0, times 0 [ 57.096354] CPU: 1 PID: 8201 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 57.104226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.113555] Call Trace: [ 57.116119] dump_stack+0x1b2/0x281 [ 57.119724] should_fail.cold+0x10a/0x149 [ 57.123849] should_failslab+0xd6/0x130 [ 57.127801] __kmalloc+0x2c1/0x400 [ 57.131315] ? kobject_get_path+0xb5/0x230 [ 57.135525] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 57.140951] kobject_get_path+0xb5/0x230 [ 57.145002] kobject_uevent_env+0x230/0xf30 [ 57.149303] ? wait_for_completion_io+0x10/0x10 [ 57.153947] ? is_acpi_device_node+0x5b/0x70 [ 57.158593] device_del+0x642/0xa80 [ 57.162197] ? __device_links_no_driver+0x1b0/0x1b0 [ 57.167189] device_unregister+0x22/0xc0 [ 57.171225] bdi_unregister+0x42f/0x610 [ 57.175176] ? wb_blkcg_offline+0x180/0x180 [ 57.179486] ? generic_shutdown_super+0x276/0x370 [ 57.184304] ? lock_acquire+0x170/0x3f0 [ 57.188253] ? lock_downgrade+0x740/0x740 [ 57.192378] bdi_put+0x127/0x160 [ 57.195722] generic_shutdown_super+0x2aa/0x370 [ 57.200367] kill_anon_super+0x36/0x90 [ 57.204229] deactivate_locked_super+0x6c/0xd0 [ 57.208785] deactivate_super+0x7f/0xa0 [ 57.212738] cleanup_mnt+0x186/0x2c0 [ 57.216431] task_work_run+0x11f/0x190 [ 57.220297] exit_to_usermode_loop+0x1ad/0x200 [ 57.224854] ? SyS_mount+0xd1/0x120 [ 57.228457] do_syscall_64+0x4a3/0x640 [ 57.232322] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 57.237490] RIP: 0033:0x7ff216918509 [ 57.241174] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 57.248858] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 57.256104] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 57.263347] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 57.270596] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 57.277840] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 57.290490] FAULT_INJECTION: forcing a failure. [ 57.290490] name failslab, interval 1, probability 0, space 0, times 0 [ 57.303662] CPU: 0 PID: 8204 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 57.311543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.320872] Call Trace: [ 57.323440] dump_stack+0x1b2/0x281 [ 57.327046] should_fail.cold+0x10a/0x149 [ 57.331187] should_failslab+0xd6/0x130 [ 57.335138] kmem_cache_alloc_node+0x263/0x410 [ 57.339704] __alloc_skb+0x5c/0x510 [ 57.343310] kobject_uevent_env+0x882/0xf30 [ 57.347611] device_del+0x642/0xa80 [ 57.351228] ? __device_links_no_driver+0x1b0/0x1b0 [ 57.356219] device_unregister+0x22/0xc0 [ 57.360256] bdi_unregister+0x42f/0x610 [ 57.364207] ? wb_blkcg_offline+0x180/0x180 [ 57.368502] ? generic_shutdown_super+0x276/0x370 [ 57.373338] ? lock_acquire+0x170/0x3f0 [ 57.377286] ? lock_downgrade+0x740/0x740 [ 57.381408] bdi_put+0x127/0x160 [ 57.384750] generic_shutdown_super+0x2aa/0x370 [ 57.389396] kill_anon_super+0x36/0x90 [ 57.393260] deactivate_locked_super+0x6c/0xd0 [ 57.397816] deactivate_super+0x7f/0xa0 [ 57.401764] cleanup_mnt+0x186/0x2c0 [ 57.405456] task_work_run+0x11f/0x190 [ 57.409320] exit_to_usermode_loop+0x1ad/0x200 [ 57.413878] ? SyS_mount+0xd1/0x120 [ 57.417479] do_syscall_64+0x4a3/0x640 [ 57.421344] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 57.426507] RIP: 0033:0x7ff216918509 [ 57.430192] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 executing program [ 57.437875] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 57.445119] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 57.452365] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 57.459606] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 57.466851] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 57.482047] FAULT_INJECTION: forcing a failure. [ 57.482047] name failslab, interval 1, probability 0, space 0, times 0 [ 57.493655] CPU: 0 PID: 8208 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 57.501530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.510858] Call Trace: [ 57.513426] dump_stack+0x1b2/0x281 [ 57.517029] should_fail.cold+0x10a/0x149 [ 57.521155] should_failslab+0xd6/0x130 [ 57.525104] kmem_cache_alloc_node_trace+0x25a/0x400 [ 57.530182] __kmalloc_node_track_caller+0x38/0x70 [ 57.535087] __alloc_skb+0x96/0x510 [ 57.538694] kobject_uevent_env+0x882/0xf30 [ 57.542996] device_del+0x642/0xa80 [ 57.546597] ? __device_links_no_driver+0x1b0/0x1b0 [ 57.551592] device_unregister+0x22/0xc0 [ 57.555630] bdi_unregister+0x42f/0x610 [ 57.559577] ? wb_blkcg_offline+0x180/0x180 [ 57.563872] ? generic_shutdown_super+0x276/0x370 [ 57.568691] ? lock_acquire+0x170/0x3f0 [ 57.572640] ? lock_downgrade+0x740/0x740 [ 57.576762] bdi_put+0x127/0x160 [ 57.580104] generic_shutdown_super+0x2aa/0x370 [ 57.584750] kill_anon_super+0x36/0x90 [ 57.588614] deactivate_locked_super+0x6c/0xd0 [ 57.593171] deactivate_super+0x7f/0xa0 [ 57.597125] cleanup_mnt+0x186/0x2c0 [ 57.600816] task_work_run+0x11f/0x190 [ 57.604682] exit_to_usermode_loop+0x1ad/0x200 [ 57.609237] ? SyS_mount+0xd1/0x120 [ 57.612840] do_syscall_64+0x4a3/0x640 [ 57.616707] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 57.621878] RIP: 0033:0x7ff216918509 [ 57.625566] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 57.633250] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 executing program [ 57.640495] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 57.647741] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 57.654985] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 57.662227] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 57.676302] FAULT_INJECTION: forcing a failure. [ 57.676302] name failslab, interval 1, probability 0, space 0, times 0 [ 57.688178] CPU: 0 PID: 8212 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 57.696048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.705376] Call Trace: [ 57.707942] dump_stack+0x1b2/0x281 [ 57.711547] should_fail.cold+0x10a/0x149 [ 57.715670] should_failslab+0xd6/0x130 [ 57.719621] kmem_cache_alloc_node_trace+0x25a/0x400 [ 57.724704] __kmalloc_node_track_caller+0x38/0x70 [ 57.729609] __alloc_skb+0x96/0x510 [ 57.733213] kobject_uevent_env+0x882/0xf30 [ 57.737514] device_del+0x642/0xa80 [ 57.741121] ? __device_links_no_driver+0x1b0/0x1b0 [ 57.746120] device_unregister+0x22/0xc0 [ 57.750167] bdi_unregister+0x42f/0x610 [ 57.754126] ? wb_blkcg_offline+0x180/0x180 [ 57.758426] ? generic_shutdown_super+0x276/0x370 [ 57.763250] ? lock_acquire+0x170/0x3f0 [ 57.767199] ? lock_downgrade+0x740/0x740 [ 57.771325] bdi_put+0x127/0x160 [ 57.774671] generic_shutdown_super+0x2aa/0x370 [ 57.779321] kill_anon_super+0x36/0x90 [ 57.783186] deactivate_locked_super+0x6c/0xd0 [ 57.787745] deactivate_super+0x7f/0xa0 [ 57.791695] cleanup_mnt+0x186/0x2c0 [ 57.795388] task_work_run+0x11f/0x190 [ 57.799255] exit_to_usermode_loop+0x1ad/0x200 [ 57.803812] ? SyS_mount+0xd1/0x120 [ 57.807416] do_syscall_64+0x4a3/0x640 [ 57.811283] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 57.816452] RIP: 0033:0x7ff216918509 [ 57.820155] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 57.827837] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 57.835690] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 executing program [ 57.842937] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 57.850182] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 57.857425] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 57.871866] FAULT_INJECTION: forcing a failure. [ 57.871866] name failslab, interval 1, probability 0, space 0, times 0 [ 57.883176] CPU: 0 PID: 8216 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 57.891047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.900380] Call Trace: [ 57.902951] dump_stack+0x1b2/0x281 [ 57.906557] should_fail.cold+0x10a/0x149 [ 57.910685] should_failslab+0xd6/0x130 [ 57.914636] kmem_cache_alloc_trace+0x29a/0x3d0 [ 57.919283] ? dev_uevent_filter+0xd0/0xd0 [ 57.923496] kobject_uevent_env+0x20c/0xf30 [ 57.927796] ? wait_for_completion_io+0x10/0x10 [ 57.932441] ? is_acpi_device_node+0x5b/0x70 [ 57.936825] device_del+0x642/0xa80 [ 57.940431] ? __device_links_no_driver+0x1b0/0x1b0 [ 57.945429] device_unregister+0x22/0xc0 [ 57.949471] bdi_unregister+0x42f/0x610 [ 57.953431] ? wb_blkcg_offline+0x180/0x180 [ 57.957728] ? generic_shutdown_super+0x276/0x370 [ 57.962549] ? lock_acquire+0x170/0x3f0 [ 57.966506] ? lock_downgrade+0x740/0x740 [ 57.970638] bdi_put+0x127/0x160 [ 57.973987] generic_shutdown_super+0x2aa/0x370 [ 57.978641] kill_anon_super+0x36/0x90 [ 57.982511] deactivate_locked_super+0x6c/0xd0 [ 57.987074] deactivate_super+0x7f/0xa0 [ 57.991027] cleanup_mnt+0x186/0x2c0 [ 57.994720] task_work_run+0x11f/0x190 [ 57.998589] exit_to_usermode_loop+0x1ad/0x200 [ 58.003147] ? SyS_mount+0xd1/0x120 [ 58.006748] do_syscall_64+0x4a3/0x640 [ 58.010617] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 58.015781] RIP: 0033:0x7ff216918509 [ 58.019466] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 58.027148] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 58.034392] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 executing program [ 58.041637] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 58.048883] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 58.056128] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 58.071106] FAULT_INJECTION: forcing a failure. [ 58.071106] name failslab, interval 1, probability 0, space 0, times 0 [ 58.086245] CPU: 0 PID: 8219 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 58.094134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.103467] Call Trace: [ 58.106032] dump_stack+0x1b2/0x281 [ 58.109651] should_fail.cold+0x10a/0x149 [ 58.113780] should_failslab+0xd6/0x130 [ 58.117733] kmem_cache_alloc_node+0x263/0x410 [ 58.122289] __alloc_skb+0x5c/0x510 [ 58.125892] kobject_uevent_env+0x882/0xf30 [ 58.130190] ? is_acpi_device_node+0x5b/0x70 [ 58.134574] device_del+0x642/0xa80 [ 58.138178] ? __device_links_no_driver+0x1b0/0x1b0 [ 58.143172] device_unregister+0x22/0xc0 [ 58.147208] bdi_unregister+0x42f/0x610 [ 58.151157] ? wb_blkcg_offline+0x180/0x180 [ 58.155451] ? generic_shutdown_super+0x276/0x370 [ 58.160269] ? lock_acquire+0x170/0x3f0 [ 58.164217] ? lock_downgrade+0x740/0x740 [ 58.168346] bdi_put+0x127/0x160 [ 58.171691] generic_shutdown_super+0x2aa/0x370 [ 58.176335] kill_anon_super+0x36/0x90 [ 58.180198] deactivate_locked_super+0x6c/0xd0 [ 58.184753] deactivate_super+0x7f/0xa0 [ 58.188702] cleanup_mnt+0x186/0x2c0 [ 58.192393] task_work_run+0x11f/0x190 [ 58.196256] exit_to_usermode_loop+0x1ad/0x200 [ 58.200812] ? SyS_mount+0xd1/0x120 [ 58.204413] do_syscall_64+0x4a3/0x640 [ 58.208278] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 58.213444] RIP: 0033:0x7ff216918509 [ 58.217129] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 58.224814] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 58.232065] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 executing program [ 58.239308] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 58.246561] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 58.253831] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 58.273809] FAULT_INJECTION: forcing a failure. [ 58.273809] name failslab, interval 1, probability 0, space 0, times 0 [ 58.285061] CPU: 1 PID: 8223 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 58.292920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.302250] Call Trace: [ 58.304817] dump_stack+0x1b2/0x281 [ 58.308420] should_fail.cold+0x10a/0x149 [ 58.312547] should_failslab+0xd6/0x130 [ 58.316501] kmem_cache_alloc_node_trace+0x25a/0x400 [ 58.321585] __kmalloc_node_track_caller+0x38/0x70 [ 58.326489] __alloc_skb+0x96/0x510 [ 58.330092] kobject_uevent_env+0x882/0xf30 [ 58.334394] device_del+0x642/0xa80 [ 58.338002] ? __device_links_no_driver+0x1b0/0x1b0 [ 58.342998] device_unregister+0x22/0xc0 [ 58.347036] bdi_unregister+0x42f/0x610 [ 58.350990] ? wb_blkcg_offline+0x180/0x180 [ 58.355288] ? generic_shutdown_super+0x276/0x370 [ 58.360108] ? lock_acquire+0x170/0x3f0 [ 58.364058] ? lock_downgrade+0x740/0x740 [ 58.368181] bdi_put+0x127/0x160 [ 58.371524] generic_shutdown_super+0x2aa/0x370 [ 58.376171] kill_anon_super+0x36/0x90 [ 58.380036] deactivate_locked_super+0x6c/0xd0 [ 58.384595] deactivate_super+0x7f/0xa0 [ 58.388544] cleanup_mnt+0x186/0x2c0 [ 58.392236] task_work_run+0x11f/0x190 [ 58.396103] exit_to_usermode_loop+0x1ad/0x200 [ 58.400661] ? SyS_mount+0xd1/0x120 [ 58.404266] do_syscall_64+0x4a3/0x640 [ 58.408143] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 58.413313] RIP: 0033:0x7ff216918509 [ 58.417005] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 58.424691] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 58.431939] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 executing program [ 58.439184] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 58.446427] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 58.453673] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 58.473215] FAULT_INJECTION: forcing a failure. [ 58.473215] name failslab, interval 1, probability 0, space 0, times 0 [ 58.484467] CPU: 1 PID: 8227 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 58.492331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.501662] Call Trace: [ 58.504228] dump_stack+0x1b2/0x281 [ 58.507832] should_fail.cold+0x10a/0x149 [ 58.511958] should_failslab+0xd6/0x130 [ 58.515910] kmem_cache_alloc_node_trace+0x25a/0x400 [ 58.520991] __kmalloc_node_track_caller+0x38/0x70 [ 58.525897] __alloc_skb+0x96/0x510 [ 58.529504] kobject_uevent_env+0x882/0xf30 [ 58.533806] device_del+0x642/0xa80 [ 58.537410] ? __device_links_no_driver+0x1b0/0x1b0 [ 58.542408] device_unregister+0x22/0xc0 [ 58.546558] bdi_unregister+0x42f/0x610 [ 58.550542] ? wb_blkcg_offline+0x180/0x180 [ 58.554856] ? generic_shutdown_super+0x276/0x370 [ 58.559693] ? lock_acquire+0x170/0x3f0 [ 58.563650] ? lock_downgrade+0x740/0x740 [ 58.567776] bdi_put+0x127/0x160 [ 58.571119] generic_shutdown_super+0x2aa/0x370 [ 58.575765] kill_anon_super+0x36/0x90 [ 58.579630] deactivate_locked_super+0x6c/0xd0 [ 58.584188] deactivate_super+0x7f/0xa0 [ 58.588136] cleanup_mnt+0x186/0x2c0 [ 58.591825] task_work_run+0x11f/0x190 [ 58.595692] exit_to_usermode_loop+0x1ad/0x200 [ 58.600248] ? SyS_mount+0xd1/0x120 [ 58.603859] do_syscall_64+0x4a3/0x640 [ 58.607728] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 58.612892] RIP: 0033:0x7ff216918509 [ 58.616579] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 58.624260] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 58.631508] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 58.638755] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d executing program [ 58.646004] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 58.653257] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 58.672643] FAULT_INJECTION: forcing a failure. [ 58.672643] name failslab, interval 1, probability 0, space 0, times 0 [ 58.683900] CPU: 1 PID: 8231 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 58.691757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.701085] Call Trace: [ 58.703652] dump_stack+0x1b2/0x281 [ 58.707257] should_fail.cold+0x10a/0x149 [ 58.711383] should_failslab+0xd6/0x130 [ 58.715360] kmem_cache_alloc_node_trace+0x25a/0x400 [ 58.720449] __kmalloc_node_track_caller+0x38/0x70 [ 58.725354] __alloc_skb+0x96/0x510 [ 58.728958] kobject_uevent_env+0x882/0xf30 [ 58.733259] device_del+0x642/0xa80 [ 58.736864] ? __device_links_no_driver+0x1b0/0x1b0 [ 58.741858] device_unregister+0x22/0xc0 [ 58.745903] bdi_unregister+0x42f/0x610 [ 58.749856] ? wb_blkcg_offline+0x180/0x180 [ 58.754153] ? generic_shutdown_super+0x276/0x370 [ 58.758974] ? lock_acquire+0x170/0x3f0 [ 58.762921] ? lock_downgrade+0x740/0x740 [ 58.767043] bdi_put+0x127/0x160 [ 58.770387] generic_shutdown_super+0x2aa/0x370 [ 58.775034] kill_anon_super+0x36/0x90 [ 58.778930] deactivate_locked_super+0x6c/0xd0 [ 58.783489] deactivate_super+0x7f/0xa0 [ 58.787442] cleanup_mnt+0x186/0x2c0 [ 58.791132] task_work_run+0x11f/0x190 [ 58.794999] exit_to_usermode_loop+0x1ad/0x200 [ 58.799557] ? SyS_mount+0xd1/0x120 [ 58.803161] do_syscall_64+0x4a3/0x640 [ 58.807031] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 58.812195] RIP: 0033:0x7ff216918509 [ 58.815881] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 58.823570] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 58.830826] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 58.838070] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d executing program [ 58.845315] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 58.852580] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 58.871526] FAULT_INJECTION: forcing a failure. [ 58.871526] name failslab, interval 1, probability 0, space 0, times 0 [ 58.882799] CPU: 1 PID: 8235 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 58.890661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.899989] Call Trace: [ 58.902716] dump_stack+0x1b2/0x281 [ 58.906334] should_fail.cold+0x10a/0x149 [ 58.910468] should_failslab+0xd6/0x130 [ 58.914430] kmem_cache_alloc_node_trace+0x25a/0x400 [ 58.919520] __kmalloc_node_track_caller+0x38/0x70 [ 58.924439] __alloc_skb+0x96/0x510 [ 58.928046] kobject_uevent_env+0x882/0xf30 [ 58.932351] ? is_acpi_device_node+0x5b/0x70 [ 58.936739] device_del+0x642/0xa80 [ 58.940345] ? __device_links_no_driver+0x1b0/0x1b0 [ 58.945341] device_unregister+0x22/0xc0 [ 58.949377] bdi_unregister+0x42f/0x610 [ 58.953344] ? wb_blkcg_offline+0x180/0x180 [ 58.957645] ? generic_shutdown_super+0x276/0x370 [ 58.962465] ? lock_acquire+0x170/0x3f0 [ 58.966421] ? lock_downgrade+0x740/0x740 [ 58.970551] bdi_put+0x127/0x160 [ 58.973895] generic_shutdown_super+0x2aa/0x370 [ 58.978552] kill_anon_super+0x36/0x90 [ 58.982433] deactivate_locked_super+0x6c/0xd0 [ 58.986994] deactivate_super+0x7f/0xa0 [ 58.990946] cleanup_mnt+0x186/0x2c0 [ 58.994637] task_work_run+0x11f/0x190 [ 58.998502] exit_to_usermode_loop+0x1ad/0x200 [ 59.003060] ? SyS_mount+0xd1/0x120 [ 59.006663] do_syscall_64+0x4a3/0x640 [ 59.010530] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 59.015698] RIP: 0033:0x7ff216918509 [ 59.019396] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 59.027081] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 59.034327] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 executing program [ 59.041574] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 59.048819] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 59.056062] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 59.070056] FAULT_INJECTION: forcing a failure. [ 59.070056] name failslab, interval 1, probability 0, space 0, times 0 [ 59.081397] CPU: 1 PID: 8239 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 59.089277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.098628] Call Trace: [ 59.101194] dump_stack+0x1b2/0x281 [ 59.104798] should_fail.cold+0x10a/0x149 [ 59.108923] should_failslab+0xd6/0x130 [ 59.112882] kmem_cache_alloc_node+0x263/0x410 [ 59.117442] __alloc_skb+0x5c/0x510 [ 59.121051] kobject_uevent_env+0x882/0xf30 [ 59.125351] device_del+0x642/0xa80 [ 59.128952] ? __device_links_no_driver+0x1b0/0x1b0 [ 59.133946] device_unregister+0x22/0xc0 [ 59.137985] bdi_unregister+0x42f/0x610 [ 59.141935] ? wb_blkcg_offline+0x180/0x180 [ 59.146231] ? generic_shutdown_super+0x276/0x370 [ 59.151049] ? lock_acquire+0x170/0x3f0 [ 59.154996] ? lock_downgrade+0x740/0x740 [ 59.159122] bdi_put+0x127/0x160 [ 59.162468] generic_shutdown_super+0x2aa/0x370 [ 59.167112] kill_anon_super+0x36/0x90 [ 59.170975] deactivate_locked_super+0x6c/0xd0 [ 59.175533] deactivate_super+0x7f/0xa0 [ 59.179488] cleanup_mnt+0x186/0x2c0 [ 59.183181] task_work_run+0x11f/0x190 [ 59.187046] exit_to_usermode_loop+0x1ad/0x200 [ 59.191601] ? SyS_mount+0xd1/0x120 [ 59.195205] do_syscall_64+0x4a3/0x640 [ 59.199070] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 59.204231] RIP: 0033:0x7ff216918509 [ 59.207917] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 59.215600] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 59.222848] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 59.230094] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 59.237339] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 executing program [ 59.244587] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 59.258109] FAULT_INJECTION: forcing a failure. [ 59.258109] name failslab, interval 1, probability 0, space 0, times 0 [ 59.269677] CPU: 1 PID: 8243 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 59.277561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.286898] Call Trace: [ 59.289472] dump_stack+0x1b2/0x281 [ 59.293083] should_fail.cold+0x10a/0x149 [ 59.297209] should_failslab+0xd6/0x130 [ 59.301160] kmem_cache_alloc_node_trace+0x25a/0x400 [ 59.306241] __kmalloc_node_track_caller+0x38/0x70 [ 59.311151] __alloc_skb+0x96/0x510 [ 59.314758] kobject_uevent_env+0x882/0xf30 [ 59.319144] ? is_acpi_device_node+0x5b/0x70 [ 59.323532] device_del+0x642/0xa80 [ 59.327138] ? __device_links_no_driver+0x1b0/0x1b0 [ 59.332130] device_unregister+0x22/0xc0 [ 59.336168] bdi_unregister+0x42f/0x610 [ 59.340118] ? wb_blkcg_offline+0x180/0x180 [ 59.344420] ? generic_shutdown_super+0x276/0x370 [ 59.349241] ? lock_acquire+0x170/0x3f0 [ 59.353191] ? lock_downgrade+0x740/0x740 [ 59.357316] bdi_put+0x127/0x160 [ 59.360663] generic_shutdown_super+0x2aa/0x370 [ 59.365310] kill_anon_super+0x36/0x90 [ 59.369176] deactivate_locked_super+0x6c/0xd0 [ 59.373737] deactivate_super+0x7f/0xa0 [ 59.377691] cleanup_mnt+0x186/0x2c0 [ 59.381387] task_work_run+0x11f/0x190 [ 59.385255] exit_to_usermode_loop+0x1ad/0x200 [ 59.389812] ? SyS_mount+0xd1/0x120 [ 59.393416] do_syscall_64+0x4a3/0x640 executing program [ 59.397284] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 59.402450] RIP: 0033:0x7ff216918509 [ 59.406133] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 59.413815] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 59.421058] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 59.428301] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 59.435547] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 59.442794] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 59.456769] FAULT_INJECTION: forcing a failure. [ 59.456769] name failslab, interval 1, probability 0, space 0, times 0 [ 59.468441] CPU: 1 PID: 8247 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 59.476312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.485640] Call Trace: [ 59.488204] dump_stack+0x1b2/0x281 [ 59.491812] should_fail.cold+0x10a/0x149 [ 59.495942] should_failslab+0xd6/0x130 [ 59.499896] kmem_cache_alloc_node+0x263/0x410 [ 59.504458] __alloc_skb+0x5c/0x510 [ 59.508063] kobject_uevent_env+0x882/0xf30 [ 59.512369] device_del+0x642/0xa80 [ 59.515974] ? __device_links_no_driver+0x1b0/0x1b0 [ 59.520965] device_unregister+0x22/0xc0 [ 59.525004] bdi_unregister+0x42f/0x610 [ 59.528952] ? wb_blkcg_offline+0x180/0x180 [ 59.533249] ? generic_shutdown_super+0x276/0x370 [ 59.538068] ? lock_acquire+0x170/0x3f0 [ 59.542014] ? lock_downgrade+0x740/0x740 [ 59.546137] bdi_put+0x127/0x160 [ 59.549498] generic_shutdown_super+0x2aa/0x370 [ 59.554157] kill_anon_super+0x36/0x90 [ 59.558031] deactivate_locked_super+0x6c/0xd0 [ 59.562618] deactivate_super+0x7f/0xa0 [ 59.566571] cleanup_mnt+0x186/0x2c0 [ 59.570268] task_work_run+0x11f/0x190 [ 59.574134] exit_to_usermode_loop+0x1ad/0x200 [ 59.578692] ? SyS_mount+0xd1/0x120 [ 59.582296] do_syscall_64+0x4a3/0x640 [ 59.586168] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 59.591336] RIP: 0033:0x7ff216918509 [ 59.595029] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 executing program [ 59.602715] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 59.609963] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 59.617209] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 59.624467] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 59.631714] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 59.646515] FAULT_INJECTION: forcing a failure. [ 59.646515] name failslab, interval 1, probability 0, space 0, times 0 [ 59.658265] CPU: 1 PID: 8251 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 59.666144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.675478] Call Trace: [ 59.678046] dump_stack+0x1b2/0x281 [ 59.681651] should_fail.cold+0x10a/0x149 [ 59.685777] should_failslab+0xd6/0x130 [ 59.689735] kmem_cache_alloc_trace+0x29a/0x3d0 [ 59.694388] ? kobj_ns_drop+0x80/0x80 [ 59.698164] call_usermodehelper_setup+0x73/0x2e0 [ 59.702983] kobject_uevent_env+0xc21/0xf30 [ 59.707282] device_del+0x642/0xa80 [ 59.710886] ? __device_links_no_driver+0x1b0/0x1b0 [ 59.715877] device_unregister+0x22/0xc0 [ 59.719914] bdi_unregister+0x42f/0x610 [ 59.723872] ? wb_blkcg_offline+0x180/0x180 [ 59.728261] ? generic_shutdown_super+0x276/0x370 [ 59.733080] ? lock_acquire+0x170/0x3f0 [ 59.737032] ? lock_downgrade+0x740/0x740 [ 59.741163] bdi_put+0x127/0x160 [ 59.744535] generic_shutdown_super+0x2aa/0x370 [ 59.749178] kill_anon_super+0x36/0x90 [ 59.753041] deactivate_locked_super+0x6c/0xd0 [ 59.757617] deactivate_super+0x7f/0xa0 [ 59.761570] cleanup_mnt+0x186/0x2c0 [ 59.765260] task_work_run+0x11f/0x190 [ 59.769124] exit_to_usermode_loop+0x1ad/0x200 [ 59.773679] ? SyS_mount+0xd1/0x120 [ 59.777280] do_syscall_64+0x4a3/0x640 [ 59.781146] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 59.786309] RIP: 0033:0x7ff216918509 [ 59.789995] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 59.797677] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 executing program [ 59.804921] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 59.812186] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 59.819444] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 59.826703] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 59.840755] FAULT_INJECTION: forcing a failure. [ 59.840755] name failslab, interval 1, probability 0, space 0, times 0 [ 59.852095] CPU: 1 PID: 8254 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 59.859963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.869334] Call Trace: [ 59.871908] dump_stack+0x1b2/0x281 [ 59.875524] should_fail.cold+0x10a/0x149 [ 59.879654] should_failslab+0xd6/0x130 [ 59.883606] kmem_cache_alloc_node_trace+0x25a/0x400 [ 59.888689] __kmalloc_node_track_caller+0x38/0x70 [ 59.893598] __alloc_skb+0x96/0x510 [ 59.897203] kobject_uevent_env+0x882/0xf30 [ 59.901564] ? is_acpi_device_node+0x5b/0x70 [ 59.905950] device_del+0x642/0xa80 [ 59.909556] ? __device_links_no_driver+0x1b0/0x1b0 [ 59.914548] device_unregister+0x22/0xc0 [ 59.918585] bdi_unregister+0x42f/0x610 [ 59.922535] ? wb_blkcg_offline+0x180/0x180 [ 59.926832] ? generic_shutdown_super+0x276/0x370 [ 59.931651] ? lock_acquire+0x170/0x3f0 [ 59.935602] ? lock_downgrade+0x740/0x740 [ 59.939728] bdi_put+0x127/0x160 [ 59.943070] generic_shutdown_super+0x2aa/0x370 [ 59.947716] kill_anon_super+0x36/0x90 [ 59.951582] deactivate_locked_super+0x6c/0xd0 [ 59.956138] deactivate_super+0x7f/0xa0 [ 59.960089] cleanup_mnt+0x186/0x2c0 [ 59.963778] task_work_run+0x11f/0x190 [ 59.967646] exit_to_usermode_loop+0x1ad/0x200 [ 59.972204] ? SyS_mount+0xd1/0x120 [ 59.975805] do_syscall_64+0x4a3/0x640 [ 59.979671] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 59.984833] RIP: 0033:0x7ff216918509 [ 59.988520] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 59.996203] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 executing program [ 60.003447] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 60.010700] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 60.017942] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 60.025185] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 60.038441] FAULT_INJECTION: forcing a failure. [ 60.038441] name failslab, interval 1, probability 0, space 0, times 0 [ 60.050492] CPU: 1 PID: 8258 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 60.058372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.067703] Call Trace: [ 60.070266] dump_stack+0x1b2/0x281 [ 60.073870] should_fail.cold+0x10a/0x149 [ 60.077995] should_failslab+0xd6/0x130 [ 60.081944] kmem_cache_alloc_node+0x263/0x410 [ 60.086505] __alloc_skb+0x5c/0x510 [ 60.090111] kobject_uevent_env+0x882/0xf30 [ 60.094413] device_del+0x642/0xa80 [ 60.098015] ? __device_links_no_driver+0x1b0/0x1b0 [ 60.103006] device_unregister+0x22/0xc0 [ 60.107043] bdi_unregister+0x42f/0x610 [ 60.110991] ? wb_blkcg_offline+0x180/0x180 [ 60.115286] ? generic_shutdown_super+0x276/0x370 [ 60.120104] ? lock_acquire+0x170/0x3f0 [ 60.124052] ? lock_downgrade+0x740/0x740 [ 60.128174] bdi_put+0x127/0x160 [ 60.131519] generic_shutdown_super+0x2aa/0x370 [ 60.136162] kill_anon_super+0x36/0x90 [ 60.140023] deactivate_locked_super+0x6c/0xd0 [ 60.144582] deactivate_super+0x7f/0xa0 [ 60.148532] cleanup_mnt+0x186/0x2c0 [ 60.152220] task_work_run+0x11f/0x190 [ 60.156084] exit_to_usermode_loop+0x1ad/0x200 [ 60.160640] ? SyS_mount+0xd1/0x120 [ 60.164240] do_syscall_64+0x4a3/0x640 [ 60.168104] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 60.173267] RIP: 0033:0x7ff216918509 [ 60.176951] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 60.184635] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 60.191880] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 60.199126] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d executing program [ 60.206373] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 60.213617] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 60.227615] FAULT_INJECTION: forcing a failure. [ 60.227615] name failslab, interval 1, probability 0, space 0, times 0 [ 60.238881] CPU: 1 PID: 8262 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 60.246746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.256074] Call Trace: [ 60.258642] dump_stack+0x1b2/0x281 [ 60.262248] should_fail.cold+0x10a/0x149 [ 60.266374] should_failslab+0xd6/0x130 [ 60.270327] kmem_cache_alloc_node+0x263/0x410 [ 60.274887] __alloc_skb+0x5c/0x510 [ 60.278495] kobject_uevent_env+0x882/0xf30 [ 60.282796] device_del+0x642/0xa80 [ 60.286400] ? __device_links_no_driver+0x1b0/0x1b0 [ 60.291393] device_unregister+0x22/0xc0 [ 60.295436] bdi_unregister+0x42f/0x610 [ 60.299390] ? wb_blkcg_offline+0x180/0x180 [ 60.303686] ? generic_shutdown_super+0x276/0x370 [ 60.308504] ? lock_acquire+0x170/0x3f0 [ 60.312457] ? lock_downgrade+0x740/0x740 [ 60.316581] bdi_put+0x127/0x160 [ 60.319922] generic_shutdown_super+0x2aa/0x370 [ 60.324568] kill_anon_super+0x36/0x90 [ 60.328436] deactivate_locked_super+0x6c/0xd0 [ 60.333008] deactivate_super+0x7f/0xa0 [ 60.336958] cleanup_mnt+0x186/0x2c0 [ 60.340650] task_work_run+0x11f/0x190 [ 60.344517] exit_to_usermode_loop+0x1ad/0x200 [ 60.349074] ? SyS_mount+0xd1/0x120 [ 60.352679] do_syscall_64+0x4a3/0x640 [ 60.356545] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 60.361708] RIP: 0033:0x7ff216918509 [ 60.365392] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 60.373073] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 60.380321] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 60.387567] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 60.394811] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 60.402054] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 60.417039] FAULT_INJECTION: forcing a failure. [ 60.417039] name failslab, interval 1, probability 0, space 0, times 0 [ 60.428472] CPU: 1 PID: 8266 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 60.436335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.445663] Call Trace: [ 60.448227] dump_stack+0x1b2/0x281 [ 60.451832] should_fail.cold+0x10a/0x149 [ 60.455958] should_failslab+0xd6/0x130 [ 60.459908] kmem_cache_alloc_node_trace+0x25a/0x400 [ 60.464986] __kmalloc_node_track_caller+0x38/0x70 [ 60.469891] __alloc_skb+0x96/0x510 [ 60.473500] kobject_uevent_env+0x882/0xf30 [ 60.477800] ? is_acpi_device_node+0x5b/0x70 [ 60.482186] device_del+0x642/0xa80 [ 60.485791] ? __device_links_no_driver+0x1b0/0x1b0 [ 60.490783] device_unregister+0x22/0xc0 [ 60.494819] bdi_unregister+0x42f/0x610 [ 60.498770] ? wb_blkcg_offline+0x180/0x180 [ 60.503068] ? generic_shutdown_super+0x276/0x370 [ 60.507886] ? lock_acquire+0x170/0x3f0 [ 60.511833] ? lock_downgrade+0x740/0x740 [ 60.515960] bdi_put+0x127/0x160 [ 60.519310] generic_shutdown_super+0x2aa/0x370 [ 60.523970] kill_anon_super+0x36/0x90 [ 60.527840] deactivate_locked_super+0x6c/0xd0 [ 60.532396] deactivate_super+0x7f/0xa0 [ 60.536349] cleanup_mnt+0x186/0x2c0 [ 60.540039] task_work_run+0x11f/0x190 [ 60.543904] exit_to_usermode_loop+0x1ad/0x200 [ 60.548463] ? SyS_mount+0xd1/0x120 [ 60.552064] do_syscall_64+0x4a3/0x640 [ 60.555930] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 60.561093] RIP: 0033:0x7ff216918509 executing program [ 60.564780] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 60.572464] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 60.579708] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 60.586952] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 60.594283] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 60.601532] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 60.615534] FAULT_INJECTION: forcing a failure. [ 60.615534] name failslab, interval 1, probability 0, space 0, times 0 [ 60.627760] CPU: 1 PID: 8270 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 60.635642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.644972] Call Trace: [ 60.647541] dump_stack+0x1b2/0x281 [ 60.651147] should_fail.cold+0x10a/0x149 [ 60.655273] should_failslab+0xd6/0x130 [ 60.659226] kmem_cache_alloc_node_trace+0x25a/0x400 [ 60.664313] __kmalloc_node_track_caller+0x38/0x70 [ 60.669233] __alloc_skb+0x96/0x510 [ 60.672846] kobject_uevent_env+0x882/0xf30 [ 60.677144] ? is_acpi_device_node+0x5b/0x70 [ 60.681531] device_del+0x642/0xa80 [ 60.685132] ? __device_links_no_driver+0x1b0/0x1b0 [ 60.690124] device_unregister+0x22/0xc0 [ 60.694166] bdi_unregister+0x42f/0x610 [ 60.698117] ? wb_blkcg_offline+0x180/0x180 [ 60.702416] ? generic_shutdown_super+0x276/0x370 [ 60.707259] ? lock_acquire+0x170/0x3f0 [ 60.711206] ? lock_downgrade+0x740/0x740 [ 60.715345] bdi_put+0x127/0x160 [ 60.718689] generic_shutdown_super+0x2aa/0x370 [ 60.723337] kill_anon_super+0x36/0x90 [ 60.727200] deactivate_locked_super+0x6c/0xd0 [ 60.731757] deactivate_super+0x7f/0xa0 [ 60.735708] cleanup_mnt+0x186/0x2c0 [ 60.739411] task_work_run+0x11f/0x190 [ 60.743278] exit_to_usermode_loop+0x1ad/0x200 [ 60.747852] ? SyS_mount+0xd1/0x120 [ 60.751458] do_syscall_64+0x4a3/0x640 [ 60.755323] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 60.760513] RIP: 0033:0x7ff216918509 executing program [ 60.764276] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 60.772028] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 60.779277] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 60.786528] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 60.793773] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 60.801024] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 60.817752] FAULT_INJECTION: forcing a failure. [ 60.817752] name failslab, interval 1, probability 0, space 0, times 0 [ 60.829345] CPU: 1 PID: 8274 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 60.837224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.846565] Call Trace: [ 60.849138] dump_stack+0x1b2/0x281 [ 60.852746] should_fail.cold+0x10a/0x149 [ 60.856885] should_failslab+0xd6/0x130 [ 60.860848] kmem_cache_alloc_node+0x263/0x410 [ 60.865415] __alloc_skb+0x5c/0x510 [ 60.869026] kobject_uevent_env+0x882/0xf30 [ 60.873330] ? is_acpi_device_node+0x5b/0x70 [ 60.877746] device_del+0x642/0xa80 [ 60.881353] ? __device_links_no_driver+0x1b0/0x1b0 [ 60.886354] device_unregister+0x22/0xc0 [ 60.890395] bdi_unregister+0x42f/0x610 [ 60.894345] ? wb_blkcg_offline+0x180/0x180 [ 60.898646] ? generic_shutdown_super+0x276/0x370 [ 60.903485] ? lock_acquire+0x170/0x3f0 [ 60.907441] ? lock_downgrade+0x740/0x740 [ 60.911570] bdi_put+0x127/0x160 [ 60.914919] generic_shutdown_super+0x2aa/0x370 [ 60.919576] kill_anon_super+0x36/0x90 [ 60.923445] deactivate_locked_super+0x6c/0xd0 [ 60.928002] deactivate_super+0x7f/0xa0 [ 60.932008] cleanup_mnt+0x186/0x2c0 [ 60.935720] task_work_run+0x11f/0x190 [ 60.939587] exit_to_usermode_loop+0x1ad/0x200 [ 60.944149] ? SyS_mount+0xd1/0x120 [ 60.947756] do_syscall_64+0x4a3/0x640 [ 60.951634] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 60.956802] RIP: 0033:0x7ff216918509 [ 60.960495] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 executing program [ 60.968203] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 60.975463] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 60.982717] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 60.989971] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 60.997221] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 61.016906] FAULT_INJECTION: forcing a failure. [ 61.016906] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 61.029846] CPU: 0 PID: 8278 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 61.037720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.047058] Call Trace: [ 61.049635] dump_stack+0x1b2/0x281 [ 61.053251] should_fail.cold+0x10a/0x149 [ 61.057387] __alloc_pages_nodemask+0x22c/0x2720 [ 61.062121] ? unwind_next_frame+0xe54/0x17d0 [ 61.066593] ? __lock_acquire+0x5fc/0x3f20 [ 61.070807] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 61.075631] ? __lock_acquire+0x5fc/0x3f20 [ 61.079845] alloc_pages_vma+0xd2/0x6d0 [ 61.083797] wp_page_copy+0x1f5/0x25c0 [ 61.087662] ? tlb_flush_mmu_free+0x1a0/0x1a0 [ 61.092153] ? __lock_acquire+0x5fc/0x3f20 [ 61.096365] do_wp_page+0x245/0x1db0 [ 61.100053] ? __handle_mm_fault+0x129c/0x4620 [ 61.104608] ? finish_mkwrite_fault+0x5e0/0x5e0 [ 61.109256] __handle_mm_fault+0x234f/0x4620 [ 61.113641] ? vm_insert_page+0x7c0/0x7c0 [ 61.117765] ? lock_acquire+0x170/0x3f0 [ 61.121715] ? mark_held_locks+0xa6/0xf0 [ 61.125750] handle_mm_fault+0x455/0x9c0 [ 61.129793] __do_page_fault+0x549/0xad0 [ 61.133830] ? spurious_fault+0x640/0x640 [ 61.137953] ? do_page_fault+0x60/0x500 [ 61.141900] ? page_fault+0x2f/0x50 [ 61.145505] page_fault+0x45/0x50 [ 61.148933] RIP: 0001:0x7ffc9b2b74f0 [ 61.152617] RSP: 16989140:0000000000000000 EFLAGS: 00000000 executing program [ 61.159265] Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF [ 61.176675] FAULT_INJECTION: forcing a failure. [ 61.176675] name failslab, interval 1, probability 0, space 0, times 0 [ 61.188245] CPU: 0 PID: 8282 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 61.196101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.205430] Call Trace: [ 61.207997] dump_stack+0x1b2/0x281 [ 61.211609] should_fail.cold+0x10a/0x149 [ 61.215734] should_failslab+0xd6/0x130 [ 61.219684] kmem_cache_alloc_node_trace+0x25a/0x400 [ 61.224771] __kmalloc_node_track_caller+0x38/0x70 [ 61.229683] __alloc_skb+0x96/0x510 [ 61.233287] kobject_uevent_env+0x882/0xf30 [ 61.237586] ? is_acpi_device_node+0x5b/0x70 [ 61.241972] device_del+0x642/0xa80 [ 61.245577] ? __device_links_no_driver+0x1b0/0x1b0 [ 61.250569] device_unregister+0x22/0xc0 [ 61.254604] bdi_unregister+0x42f/0x610 [ 61.258553] ? wb_blkcg_offline+0x180/0x180 [ 61.262854] ? generic_shutdown_super+0x276/0x370 [ 61.267679] ? lock_acquire+0x170/0x3f0 [ 61.271644] ? lock_downgrade+0x740/0x740 [ 61.275778] bdi_put+0x127/0x160 [ 61.279121] generic_shutdown_super+0x2aa/0x370 [ 61.283772] kill_anon_super+0x36/0x90 [ 61.287633] deactivate_locked_super+0x6c/0xd0 [ 61.292195] deactivate_super+0x7f/0xa0 [ 61.296153] cleanup_mnt+0x186/0x2c0 [ 61.299846] task_work_run+0x11f/0x190 [ 61.303711] exit_to_usermode_loop+0x1ad/0x200 [ 61.308269] ? SyS_mount+0xd1/0x120 [ 61.311870] do_syscall_64+0x4a3/0x640 [ 61.315733] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 61.320896] RIP: 0033:0x7ff216918509 [ 61.324581] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 61.332264] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 61.339508] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 61.346752] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 61.353997] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 61.361243] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 61.383033] FAULT_INJECTION: forcing a failure. [ 61.383033] name failslab, interval 1, probability 0, space 0, times 0 [ 61.394348] CPU: 1 PID: 8286 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 61.402209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.411539] Call Trace: [ 61.414103] dump_stack+0x1b2/0x281 [ 61.417710] should_fail.cold+0x10a/0x149 [ 61.421837] should_failslab+0xd6/0x130 [ 61.425787] kmem_cache_alloc_node_trace+0x25a/0x400 [ 61.430869] __kmalloc_node_track_caller+0x38/0x70 [ 61.435775] __alloc_skb+0x96/0x510 [ 61.439382] kobject_uevent_env+0x882/0xf30 [ 61.443680] ? is_acpi_device_node+0x5b/0x70 [ 61.448065] device_del+0x642/0xa80 [ 61.451668] ? __device_links_no_driver+0x1b0/0x1b0 [ 61.456659] device_unregister+0x22/0xc0 [ 61.460700] bdi_unregister+0x42f/0x610 [ 61.464649] ? wb_blkcg_offline+0x180/0x180 [ 61.468956] ? generic_shutdown_super+0x276/0x370 [ 61.473793] ? lock_acquire+0x170/0x3f0 [ 61.477753] ? lock_downgrade+0x740/0x740 [ 61.481880] bdi_put+0x127/0x160 [ 61.485228] generic_shutdown_super+0x2aa/0x370 [ 61.489879] kill_anon_super+0x36/0x90 [ 61.493744] deactivate_locked_super+0x6c/0xd0 [ 61.498302] deactivate_super+0x7f/0xa0 [ 61.502255] cleanup_mnt+0x186/0x2c0 [ 61.505946] task_work_run+0x11f/0x190 [ 61.509829] exit_to_usermode_loop+0x1ad/0x200 [ 61.514400] ? SyS_mount+0xd1/0x120 [ 61.518013] do_syscall_64+0x4a3/0x640 [ 61.521881] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 61.527050] RIP: 0033:0x7ff216918509 executing program [ 61.530735] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 61.538418] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 61.545685] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 61.552931] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 61.560176] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 61.567421] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 61.585186] FAULT_INJECTION: forcing a failure. [ 61.585186] name failslab, interval 1, probability 0, space 0, times 0 [ 61.596569] CPU: 1 PID: 8290 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 61.604425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.613759] Call Trace: [ 61.616334] dump_stack+0x1b2/0x281 [ 61.619944] should_fail.cold+0x10a/0x149 [ 61.624076] should_failslab+0xd6/0x130 [ 61.628030] kmem_cache_alloc_node+0x263/0x410 [ 61.632591] __alloc_skb+0x5c/0x510 [ 61.636198] kobject_uevent_env+0x882/0xf30 [ 61.640500] device_del+0x642/0xa80 [ 61.644105] ? __device_links_no_driver+0x1b0/0x1b0 [ 61.649107] device_unregister+0x22/0xc0 [ 61.653172] bdi_unregister+0x42f/0x610 [ 61.657128] ? wb_blkcg_offline+0x180/0x180 [ 61.661427] ? generic_shutdown_super+0x276/0x370 [ 61.666249] ? lock_acquire+0x170/0x3f0 [ 61.670199] ? lock_downgrade+0x740/0x740 [ 61.674322] bdi_put+0x127/0x160 [ 61.677676] generic_shutdown_super+0x2aa/0x370 [ 61.682327] kill_anon_super+0x36/0x90 [ 61.686196] deactivate_locked_super+0x6c/0xd0 [ 61.690754] deactivate_super+0x7f/0xa0 [ 61.694703] cleanup_mnt+0x186/0x2c0 [ 61.698393] task_work_run+0x11f/0x190 [ 61.702258] exit_to_usermode_loop+0x1ad/0x200 [ 61.706812] ? SyS_mount+0xd1/0x120 [ 61.710415] do_syscall_64+0x4a3/0x640 [ 61.714283] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 61.719454] RIP: 0033:0x7ff216918509 [ 61.723143] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 executing program [ 61.730827] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 61.738071] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 61.745316] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 61.752565] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 61.759811] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 61.775683] FAULT_INJECTION: forcing a failure. [ 61.775683] name failslab, interval 1, probability 0, space 0, times 0 [ 61.786991] CPU: 1 PID: 8294 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 61.794857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.804292] Call Trace: [ 61.806860] dump_stack+0x1b2/0x281 [ 61.810463] should_fail.cold+0x10a/0x149 [ 61.814589] should_failslab+0xd6/0x130 [ 61.818545] kmem_cache_alloc_node+0x263/0x410 [ 61.823230] __alloc_skb+0x5c/0x510 [ 61.826839] kobject_uevent_env+0x882/0xf30 [ 61.831150] ? is_acpi_device_node+0x5b/0x70 [ 61.835541] device_del+0x642/0xa80 [ 61.839146] ? __device_links_no_driver+0x1b0/0x1b0 [ 61.844137] device_unregister+0x22/0xc0 [ 61.848178] bdi_unregister+0x42f/0x610 [ 61.852130] ? wb_blkcg_offline+0x180/0x180 [ 61.856429] ? generic_shutdown_super+0x276/0x370 [ 61.861250] ? lock_acquire+0x170/0x3f0 [ 61.865201] ? lock_downgrade+0x740/0x740 [ 61.869331] bdi_put+0x127/0x160 [ 61.872677] generic_shutdown_super+0x2aa/0x370 [ 61.877322] kill_anon_super+0x36/0x90 [ 61.881187] deactivate_locked_super+0x6c/0xd0 [ 61.885750] deactivate_super+0x7f/0xa0 [ 61.889703] cleanup_mnt+0x186/0x2c0 [ 61.893401] task_work_run+0x11f/0x190 [ 61.897268] exit_to_usermode_loop+0x1ad/0x200 [ 61.901847] ? SyS_mount+0xd1/0x120 [ 61.905455] do_syscall_64+0x4a3/0x640 [ 61.909331] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 61.914494] RIP: 0033:0x7ff216918509 [ 61.918180] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 61.925867] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 executing program [ 61.933125] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 61.940367] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 61.947617] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 61.954870] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 61.974926] FAULT_INJECTION: forcing a failure. [ 61.974926] name failslab, interval 1, probability 0, space 0, times 0 [ 61.986213] CPU: 1 PID: 8298 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 61.994075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.003420] Call Trace: [ 62.005988] dump_stack+0x1b2/0x281 [ 62.009605] should_fail.cold+0x10a/0x149 [ 62.013736] should_failslab+0xd6/0x130 [ 62.017693] kmem_cache_alloc_node_trace+0x25a/0x400 [ 62.022775] __kmalloc_node_track_caller+0x38/0x70 [ 62.027690] __alloc_skb+0x96/0x510 [ 62.031298] kobject_uevent_env+0x882/0xf30 [ 62.035608] device_del+0x642/0xa80 [ 62.039231] ? __device_links_no_driver+0x1b0/0x1b0 [ 62.044229] device_unregister+0x22/0xc0 [ 62.048284] bdi_unregister+0x42f/0x610 [ 62.052254] ? wb_blkcg_offline+0x180/0x180 [ 62.056656] ? generic_shutdown_super+0x276/0x370 [ 62.061483] ? lock_acquire+0x170/0x3f0 [ 62.065440] ? lock_downgrade+0x740/0x740 [ 62.069572] bdi_put+0x127/0x160 [ 62.072919] generic_shutdown_super+0x2aa/0x370 [ 62.077564] kill_anon_super+0x36/0x90 [ 62.081430] deactivate_locked_super+0x6c/0xd0 [ 62.085992] deactivate_super+0x7f/0xa0 [ 62.089944] cleanup_mnt+0x186/0x2c0 [ 62.093638] task_work_run+0x11f/0x190 [ 62.097516] exit_to_usermode_loop+0x1ad/0x200 [ 62.102076] ? SyS_mount+0xd1/0x120 [ 62.105680] do_syscall_64+0x4a3/0x640 [ 62.109644] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 62.114814] RIP: 0033:0x7ff216918509 [ 62.118499] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 62.126181] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 executing program [ 62.133434] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 62.140687] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 62.147932] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 62.155184] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 62.174994] FAULT_INJECTION: forcing a failure. [ 62.174994] name failslab, interval 1, probability 0, space 0, times 0 [ 62.186293] CPU: 1 PID: 8302 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 62.194153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.203485] Call Trace: [ 62.206051] dump_stack+0x1b2/0x281 [ 62.209658] should_fail.cold+0x10a/0x149 [ 62.213782] should_failslab+0xd6/0x130 [ 62.217732] kmem_cache_alloc_node+0x263/0x410 [ 62.222292] __alloc_skb+0x5c/0x510 [ 62.225898] kobject_uevent_env+0x882/0xf30 [ 62.230199] device_del+0x642/0xa80 [ 62.233802] ? __device_links_no_driver+0x1b0/0x1b0 [ 62.238792] device_unregister+0x22/0xc0 [ 62.242833] bdi_unregister+0x42f/0x610 [ 62.246785] ? wb_blkcg_offline+0x180/0x180 [ 62.251104] ? generic_shutdown_super+0x276/0x370 [ 62.255925] ? lock_acquire+0x170/0x3f0 [ 62.259875] ? lock_downgrade+0x740/0x740 [ 62.263997] bdi_put+0x127/0x160 [ 62.267340] generic_shutdown_super+0x2aa/0x370 [ 62.271984] kill_anon_super+0x36/0x90 [ 62.275845] deactivate_locked_super+0x6c/0xd0 [ 62.280401] deactivate_super+0x7f/0xa0 [ 62.284351] cleanup_mnt+0x186/0x2c0 [ 62.288039] task_work_run+0x11f/0x190 [ 62.291906] exit_to_usermode_loop+0x1ad/0x200 [ 62.296463] ? SyS_mount+0xd1/0x120 [ 62.300064] do_syscall_64+0x4a3/0x640 [ 62.303932] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 62.309105] RIP: 0033:0x7ff216918509 [ 62.312795] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 62.320477] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 62.327723] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 executing program [ 62.334967] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 62.342213] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 62.349460] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 62.370586] FAULT_INJECTION: forcing a failure. [ 62.370586] name failslab, interval 1, probability 0, space 0, times 0 [ 62.382259] CPU: 1 PID: 8306 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 62.390123] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.399457] Call Trace: [ 62.402023] dump_stack+0x1b2/0x281 [ 62.405629] should_fail.cold+0x10a/0x149 [ 62.409753] should_failslab+0xd6/0x130 [ 62.413704] kmem_cache_alloc_node+0x263/0x410 [ 62.418263] __alloc_skb+0x5c/0x510 [ 62.421874] kobject_uevent_env+0x882/0xf30 [ 62.426174] device_del+0x642/0xa80 [ 62.429777] ? __device_links_no_driver+0x1b0/0x1b0 [ 62.434771] device_unregister+0x22/0xc0 [ 62.438807] bdi_unregister+0x42f/0x610 [ 62.442757] ? wb_blkcg_offline+0x180/0x180 [ 62.447056] ? generic_shutdown_super+0x276/0x370 [ 62.451873] ? lock_acquire+0x170/0x3f0 [ 62.455823] ? lock_downgrade+0x740/0x740 [ 62.459947] bdi_put+0x127/0x160 [ 62.463291] generic_shutdown_super+0x2aa/0x370 [ 62.467936] kill_anon_super+0x36/0x90 [ 62.471798] deactivate_locked_super+0x6c/0xd0 [ 62.476353] deactivate_super+0x7f/0xa0 [ 62.480306] cleanup_mnt+0x186/0x2c0 [ 62.484000] task_work_run+0x11f/0x190 [ 62.487960] exit_to_usermode_loop+0x1ad/0x200 [ 62.492517] ? SyS_mount+0xd1/0x120 [ 62.496122] do_syscall_64+0x4a3/0x640 [ 62.499992] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 62.505167] RIP: 0033:0x7ff216918509 [ 62.508852] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 62.516534] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 62.523784] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 62.531036] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d executing program [ 62.538303] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 62.545547] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 62.566359] FAULT_INJECTION: forcing a failure. [ 62.566359] name failslab, interval 1, probability 0, space 0, times 0 [ 62.577849] CPU: 0 PID: 8310 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 62.585725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.595062] Call Trace: [ 62.597633] dump_stack+0x1b2/0x281 [ 62.601238] should_fail.cold+0x10a/0x149 [ 62.605365] should_failslab+0xd6/0x130 [ 62.609317] kmem_cache_alloc_node+0x263/0x410 [ 62.613875] __alloc_skb+0x5c/0x510 [ 62.617480] kobject_uevent_env+0x882/0xf30 [ 62.621802] ? is_acpi_device_node+0x5b/0x70 [ 62.626186] device_del+0x642/0xa80 [ 62.629796] ? __device_links_no_driver+0x1b0/0x1b0 [ 62.634790] device_unregister+0x22/0xc0 [ 62.638828] bdi_unregister+0x42f/0x610 [ 62.642777] ? wb_blkcg_offline+0x180/0x180 [ 62.647072] ? generic_shutdown_super+0x276/0x370 [ 62.651896] ? lock_acquire+0x170/0x3f0 [ 62.655933] ? lock_downgrade+0x740/0x740 [ 62.660057] bdi_put+0x127/0x160 [ 62.663399] generic_shutdown_super+0x2aa/0x370 [ 62.668046] kill_anon_super+0x36/0x90 [ 62.671912] deactivate_locked_super+0x6c/0xd0 [ 62.676468] deactivate_super+0x7f/0xa0 [ 62.680418] cleanup_mnt+0x186/0x2c0 [ 62.684115] task_work_run+0x11f/0x190 [ 62.687987] exit_to_usermode_loop+0x1ad/0x200 [ 62.692542] ? SyS_mount+0xd1/0x120 [ 62.696143] do_syscall_64+0x4a3/0x640 [ 62.700010] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 62.705174] RIP: 0033:0x7ff216918509 [ 62.708859] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 62.716541] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 62.723786] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 62.731030] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d executing program [ 62.738274] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 62.745531] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 62.766617] FAULT_INJECTION: forcing a failure. [ 62.766617] name failslab, interval 1, probability 0, space 0, times 0 [ 62.777996] CPU: 1 PID: 8314 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 62.785856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.795185] Call Trace: [ 62.797752] dump_stack+0x1b2/0x281 [ 62.801358] should_fail.cold+0x10a/0x149 [ 62.805492] should_failslab+0xd6/0x130 [ 62.809485] kmem_cache_alloc_node+0x263/0x410 [ 62.814047] __alloc_skb+0x5c/0x510 [ 62.817655] kobject_uevent_env+0x882/0xf30 [ 62.821954] ? is_acpi_device_node+0x5b/0x70 [ 62.826338] device_del+0x642/0xa80 [ 62.829944] ? __device_links_no_driver+0x1b0/0x1b0 [ 62.834944] device_unregister+0x22/0xc0 [ 62.838996] bdi_unregister+0x42f/0x610 [ 62.842953] ? wb_blkcg_offline+0x180/0x180 [ 62.847252] ? generic_shutdown_super+0x276/0x370 [ 62.852070] ? lock_acquire+0x170/0x3f0 [ 62.856022] ? lock_downgrade+0x740/0x740 [ 62.860148] bdi_put+0x127/0x160 [ 62.863490] generic_shutdown_super+0x2aa/0x370 [ 62.868133] kill_anon_super+0x36/0x90 [ 62.871994] deactivate_locked_super+0x6c/0xd0 [ 62.876553] deactivate_super+0x7f/0xa0 [ 62.880504] cleanup_mnt+0x186/0x2c0 [ 62.884214] task_work_run+0x11f/0x190 [ 62.888078] exit_to_usermode_loop+0x1ad/0x200 [ 62.892644] ? SyS_mount+0xd1/0x120 [ 62.896298] do_syscall_64+0x4a3/0x640 [ 62.900164] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 62.905330] RIP: 0033:0x7ff216918509 [ 62.909020] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 62.916710] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 62.923963] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 62.931206] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d executing program [ 62.938458] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 62.945711] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 62.963223] FAULT_INJECTION: forcing a failure. [ 62.963223] name failslab, interval 1, probability 0, space 0, times 0 [ 62.974461] CPU: 1 PID: 8318 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 62.982324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.991653] Call Trace: [ 62.994220] dump_stack+0x1b2/0x281 [ 62.997825] should_fail.cold+0x10a/0x149 [ 63.001952] should_failslab+0xd6/0x130 [ 63.005904] kmem_cache_alloc_trace+0x29a/0x3d0 [ 63.010548] ? dev_uevent_filter+0xd0/0xd0 [ 63.014762] kobject_uevent_env+0x20c/0xf30 [ 63.019069] ? wait_for_completion_io+0x10/0x10 [ 63.023724] ? is_acpi_device_node+0x5b/0x70 [ 63.028109] device_del+0x642/0xa80 [ 63.031715] ? __device_links_no_driver+0x1b0/0x1b0 [ 63.036707] device_unregister+0x22/0xc0 [ 63.040745] bdi_unregister+0x42f/0x610 [ 63.044698] ? wb_blkcg_offline+0x180/0x180 [ 63.049011] ? generic_shutdown_super+0x276/0x370 [ 63.053832] ? lock_acquire+0x170/0x3f0 [ 63.057782] ? lock_downgrade+0x740/0x740 [ 63.061907] bdi_put+0x127/0x160 [ 63.065353] generic_shutdown_super+0x2aa/0x370 [ 63.070000] kill_anon_super+0x36/0x90 [ 63.073863] deactivate_locked_super+0x6c/0xd0 [ 63.078422] deactivate_super+0x7f/0xa0 [ 63.082373] cleanup_mnt+0x186/0x2c0 [ 63.086068] task_work_run+0x11f/0x190 [ 63.089933] exit_to_usermode_loop+0x1ad/0x200 [ 63.094489] ? SyS_mount+0xd1/0x120 [ 63.098093] do_syscall_64+0x4a3/0x640 [ 63.101959] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 63.107125] RIP: 0033:0x7ff216918509 [ 63.110811] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 63.118500] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 63.125749] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 63.132997] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d executing program [ 63.140247] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 63.147493] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 63.160548] FAULT_INJECTION: forcing a failure. [ 63.160548] name failslab, interval 1, probability 0, space 0, times 0 [ 63.172412] CPU: 1 PID: 8321 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 63.180288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.189707] Call Trace: [ 63.192271] dump_stack+0x1b2/0x281 [ 63.195878] should_fail.cold+0x10a/0x149 [ 63.200004] should_failslab+0xd6/0x130 [ 63.203955] kmem_cache_alloc_node_trace+0x25a/0x400 [ 63.209037] __kmalloc_node_track_caller+0x38/0x70 [ 63.213942] __alloc_skb+0x96/0x510 [ 63.217550] kobject_uevent_env+0x882/0xf30 [ 63.221847] ? is_acpi_device_node+0x5b/0x70 [ 63.226231] device_del+0x642/0xa80 [ 63.229833] ? __device_links_no_driver+0x1b0/0x1b0 [ 63.234824] device_unregister+0x22/0xc0 [ 63.238861] bdi_unregister+0x42f/0x610 [ 63.242809] ? wb_blkcg_offline+0x180/0x180 [ 63.247104] ? generic_shutdown_super+0x276/0x370 [ 63.251922] ? lock_acquire+0x170/0x3f0 [ 63.255871] ? lock_downgrade+0x740/0x740 [ 63.259994] bdi_put+0x127/0x160 [ 63.263335] generic_shutdown_super+0x2aa/0x370 [ 63.267980] kill_anon_super+0x36/0x90 [ 63.271841] deactivate_locked_super+0x6c/0xd0 [ 63.276399] deactivate_super+0x7f/0xa0 [ 63.280353] cleanup_mnt+0x186/0x2c0 [ 63.284043] task_work_run+0x11f/0x190 [ 63.287913] exit_to_usermode_loop+0x1ad/0x200 [ 63.292473] ? SyS_mount+0xd1/0x120 [ 63.296074] do_syscall_64+0x4a3/0x640 [ 63.299940] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 63.305104] RIP: 0033:0x7ff216918509 [ 63.308789] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 63.316471] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 63.323732] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 63.330974] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d executing program [ 63.338217] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 63.345459] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 63.358651] FAULT_INJECTION: forcing a failure. [ 63.358651] name failslab, interval 1, probability 0, space 0, times 0 [ 63.370497] CPU: 1 PID: 8325 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 63.378378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.387710] Call Trace: [ 63.390282] dump_stack+0x1b2/0x281 [ 63.393895] should_fail.cold+0x10a/0x149 [ 63.398019] should_failslab+0xd6/0x130 [ 63.401972] kmem_cache_alloc_trace+0x29a/0x3d0 [ 63.406618] ? dev_uevent_filter+0xd0/0xd0 [ 63.410829] kobject_uevent_env+0x20c/0xf30 [ 63.415125] ? wait_for_completion_io+0x10/0x10 [ 63.419769] ? is_acpi_device_node+0x5b/0x70 [ 63.424153] device_del+0x642/0xa80 [ 63.427758] ? __device_links_no_driver+0x1b0/0x1b0 [ 63.432749] device_unregister+0x22/0xc0 [ 63.436785] bdi_unregister+0x42f/0x610 [ 63.440735] ? wb_blkcg_offline+0x180/0x180 [ 63.445030] ? generic_shutdown_super+0x276/0x370 [ 63.449847] ? lock_acquire+0x170/0x3f0 [ 63.453794] ? lock_downgrade+0x740/0x740 [ 63.457918] bdi_put+0x127/0x160 [ 63.461263] generic_shutdown_super+0x2aa/0x370 [ 63.465908] kill_anon_super+0x36/0x90 [ 63.469771] deactivate_locked_super+0x6c/0xd0 [ 63.474330] deactivate_super+0x7f/0xa0 [ 63.478283] cleanup_mnt+0x186/0x2c0 [ 63.481974] task_work_run+0x11f/0x190 [ 63.485841] exit_to_usermode_loop+0x1ad/0x200 [ 63.490400] ? SyS_mount+0xd1/0x120 [ 63.494004] do_syscall_64+0x4a3/0x640 [ 63.497890] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 63.503070] RIP: 0033:0x7ff216918509 [ 63.506764] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 63.514451] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 63.521700] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 63.528991] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 63.536236] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 executing program [ 63.543480] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 63.558377] FAULT_INJECTION: forcing a failure. [ 63.558377] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 63.570193] CPU: 1 PID: 8328 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 63.578059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.587396] Call Trace: [ 63.589968] dump_stack+0x1b2/0x281 [ 63.593573] should_fail.cold+0x10a/0x149 [ 63.597702] __alloc_pages_nodemask+0x22c/0x2720 [ 63.602433] ? __lock_acquire+0x5fc/0x3f20 [ 63.606645] ? __lock_acquire+0x5fc/0x3f20 [ 63.610854] ? trace_hardirqs_on+0x10/0x10 [ 63.615063] ? __lock_acquire+0x5fc/0x3f20 [ 63.619273] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 63.624090] ? __lock_acquire+0x5fc/0x3f20 [ 63.628303] ? lock_acquire+0x170/0x3f0 [ 63.632255] ? device_del+0x3e4/0xa80 [ 63.636035] cache_grow_begin+0x91/0x700 [ 63.640074] ? fs_reclaim_release+0xd0/0x110 [ 63.644458] ? check_preemption_disabled+0x35/0x240 [ 63.649450] cache_alloc_refill+0x273/0x350 [ 63.653766] kmem_cache_alloc_trace+0x340/0x3d0 [ 63.658421] ? dev_uevent_filter+0xd0/0xd0 [ 63.662641] kobject_uevent_env+0x20c/0xf30 [ 63.666947] ? wait_for_completion_io+0x10/0x10 [ 63.671621] ? is_acpi_device_node+0x5b/0x70 [ 63.676018] device_del+0x642/0xa80 [ 63.679643] ? __device_links_no_driver+0x1b0/0x1b0 [ 63.684637] device_unregister+0x22/0xc0 [ 63.688683] bdi_unregister+0x42f/0x610 [ 63.692632] ? wb_blkcg_offline+0x180/0x180 [ 63.696929] ? generic_shutdown_super+0x276/0x370 [ 63.701755] ? lock_acquire+0x170/0x3f0 [ 63.705703] ? lock_downgrade+0x740/0x740 [ 63.709841] bdi_put+0x127/0x160 [ 63.713188] generic_shutdown_super+0x2aa/0x370 [ 63.717838] kill_anon_super+0x36/0x90 [ 63.721707] deactivate_locked_super+0x6c/0xd0 [ 63.726269] deactivate_super+0x7f/0xa0 [ 63.730230] cleanup_mnt+0x186/0x2c0 [ 63.733939] task_work_run+0x11f/0x190 [ 63.737818] exit_to_usermode_loop+0x1ad/0x200 [ 63.742380] ? SyS_mount+0xd1/0x120 [ 63.745990] do_syscall_64+0x4a3/0x640 [ 63.749873] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 63.755070] RIP: 0033:0x7ff216918509 [ 63.758769] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 63.766465] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 63.773716] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 63.780966] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d executing program [ 63.788215] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 63.795460] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 63.809709] FAULT_INJECTION: forcing a failure. [ 63.809709] name failslab, interval 1, probability 0, space 0, times 0 [ 63.821196] CPU: 1 PID: 8332 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 63.829093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.838585] Call Trace: [ 63.841160] dump_stack+0x1b2/0x281 [ 63.844766] should_fail.cold+0x10a/0x149 [ 63.848898] should_failslab+0xd6/0x130 [ 63.852866] __kmalloc+0x2c1/0x400 [ 63.856387] ? kobject_get_path+0xb5/0x230 [ 63.860600] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 63.866030] kobject_get_path+0xb5/0x230 [ 63.870068] kobject_uevent_env+0x230/0xf30 [ 63.874368] ? wait_for_completion_io+0x10/0x10 [ 63.879027] ? is_acpi_device_node+0x5b/0x70 [ 63.883413] device_del+0x642/0xa80 [ 63.887018] ? __device_links_no_driver+0x1b0/0x1b0 [ 63.892016] device_unregister+0x22/0xc0 [ 63.896068] bdi_unregister+0x42f/0x610 [ 63.900022] ? wb_blkcg_offline+0x180/0x180 [ 63.904319] ? generic_shutdown_super+0x276/0x370 [ 63.909144] ? lock_acquire+0x170/0x3f0 [ 63.913099] ? lock_downgrade+0x740/0x740 [ 63.917239] bdi_put+0x127/0x160 [ 63.920613] generic_shutdown_super+0x2aa/0x370 [ 63.925530] kill_anon_super+0x36/0x90 [ 63.929407] deactivate_locked_super+0x6c/0xd0 [ 63.933978] deactivate_super+0x7f/0xa0 [ 63.937937] cleanup_mnt+0x186/0x2c0 [ 63.941647] task_work_run+0x11f/0x190 [ 63.945515] exit_to_usermode_loop+0x1ad/0x200 [ 63.950092] ? SyS_mount+0xd1/0x120 [ 63.953695] do_syscall_64+0x4a3/0x640 [ 63.957580] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 63.962760] RIP: 0033:0x7ff216918509 [ 63.966451] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 63.974142] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 63.981391] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 63.988636] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d executing program [ 63.995880] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 64.003125] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 64.018552] FAULT_INJECTION: forcing a failure. [ 64.018552] name failslab, interval 1, probability 0, space 0, times 0 [ 64.029985] CPU: 1 PID: 8335 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 64.037859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.047309] Call Trace: [ 64.049876] dump_stack+0x1b2/0x281 [ 64.053482] should_fail.cold+0x10a/0x149 [ 64.057608] should_failslab+0xd6/0x130 [ 64.061559] kmem_cache_alloc_trace+0x29a/0x3d0 [ 64.066206] ? dev_uevent_filter+0xd0/0xd0 [ 64.070418] kobject_uevent_env+0x20c/0xf30 [ 64.074717] ? wait_for_completion_io+0x10/0x10 [ 64.079363] ? is_acpi_device_node+0x5b/0x70 [ 64.083747] device_del+0x642/0xa80 [ 64.087357] ? __device_links_no_driver+0x1b0/0x1b0 [ 64.092349] device_unregister+0x22/0xc0 [ 64.096388] bdi_unregister+0x42f/0x610 [ 64.100340] ? wb_blkcg_offline+0x180/0x180 [ 64.104646] ? generic_shutdown_super+0x276/0x370 [ 64.109467] ? lock_acquire+0x170/0x3f0 [ 64.113415] ? lock_downgrade+0x740/0x740 [ 64.117539] bdi_put+0x127/0x160 [ 64.120882] generic_shutdown_super+0x2aa/0x370 [ 64.125525] kill_anon_super+0x36/0x90 [ 64.129388] deactivate_locked_super+0x6c/0xd0 [ 64.133944] deactivate_super+0x7f/0xa0 [ 64.137895] cleanup_mnt+0x186/0x2c0 [ 64.141585] task_work_run+0x11f/0x190 [ 64.145451] exit_to_usermode_loop+0x1ad/0x200 [ 64.150007] ? SyS_mount+0xd1/0x120 [ 64.153608] do_syscall_64+0x4a3/0x640 [ 64.157479] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 64.162645] RIP: 0033:0x7ff216918509 [ 64.166328] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 64.174011] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 64.181256] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 64.188500] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d executing program [ 64.195746] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 64.202992] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 64.217831] FAULT_INJECTION: forcing a failure. [ 64.217831] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 64.229645] CPU: 1 PID: 8338 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 64.237542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.246873] Call Trace: [ 64.249444] dump_stack+0x1b2/0x281 [ 64.253050] should_fail.cold+0x10a/0x149 [ 64.257176] __alloc_pages_nodemask+0x22c/0x2720 [ 64.261905] ? __lock_acquire+0x5fc/0x3f20 [ 64.266119] ? __lock_acquire+0x5fc/0x3f20 [ 64.270342] ? trace_hardirqs_on+0x10/0x10 [ 64.274550] ? __lock_acquire+0x5fc/0x3f20 [ 64.278760] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 64.283577] ? __lock_acquire+0x5fc/0x3f20 [ 64.287790] ? lock_acquire+0x170/0x3f0 [ 64.291740] ? device_del+0x3e4/0xa80 [ 64.295517] cache_grow_begin+0x91/0x700 [ 64.299552] ? fs_reclaim_release+0xd0/0x110 [ 64.303935] ? check_preemption_disabled+0x35/0x240 [ 64.308929] cache_alloc_refill+0x273/0x350 [ 64.313229] kmem_cache_alloc_trace+0x340/0x3d0 [ 64.317872] ? dev_uevent_filter+0xd0/0xd0 [ 64.322086] kobject_uevent_env+0x20c/0xf30 [ 64.326384] ? wait_for_completion_io+0x10/0x10 [ 64.331036] ? is_acpi_device_node+0x5b/0x70 [ 64.335424] device_del+0x642/0xa80 [ 64.339028] ? __device_links_no_driver+0x1b0/0x1b0 [ 64.344022] device_unregister+0x22/0xc0 [ 64.348061] bdi_unregister+0x42f/0x610 [ 64.352015] ? wb_blkcg_offline+0x180/0x180 [ 64.356312] ? generic_shutdown_super+0x276/0x370 [ 64.361144] ? lock_acquire+0x170/0x3f0 [ 64.365091] ? lock_downgrade+0x740/0x740 [ 64.369213] bdi_put+0x127/0x160 [ 64.372557] generic_shutdown_super+0x2aa/0x370 [ 64.377203] kill_anon_super+0x36/0x90 [ 64.381066] deactivate_locked_super+0x6c/0xd0 [ 64.385622] deactivate_super+0x7f/0xa0 [ 64.389571] cleanup_mnt+0x186/0x2c0 [ 64.393261] task_work_run+0x11f/0x190 [ 64.397128] exit_to_usermode_loop+0x1ad/0x200 [ 64.401683] ? SyS_mount+0xd1/0x120 [ 64.405285] do_syscall_64+0x4a3/0x640 [ 64.409155] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 64.414325] RIP: 0033:0x7ff216918509 [ 64.418014] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 64.425695] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 64.432942] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 64.440189] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d executing program [ 64.447434] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 64.454679] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 64.474672] FAULT_INJECTION: forcing a failure. [ 64.474672] name failslab, interval 1, probability 0, space 0, times 0 [ 64.486511] CPU: 1 PID: 8343 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 64.494390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.503724] Call Trace: [ 64.506288] dump_stack+0x1b2/0x281 [ 64.509896] should_fail.cold+0x10a/0x149 [ 64.514020] should_failslab+0xd6/0x130 [ 64.517972] kmem_cache_alloc_trace+0x29a/0x3d0 [ 64.522620] get_mountpoint+0xc3/0x320 [ 64.526503] lock_mount+0x106/0x450 [ 64.530152] ? lookup_mnt+0x3b0/0x3b0 [ 64.533929] ? do_mount+0x1693/0x2a30 [ 64.537705] do_add_mount+0x63/0x4f0 [ 64.541394] ? graft_tree+0x1c0/0x1c0 [ 64.545175] do_mount+0x1540/0x2a30 [ 64.548783] ? do_raw_spin_unlock+0x164/0x220 [ 64.553267] ? copy_mount_string+0x40/0x40 [ 64.557489] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 64.562481] ? copy_mnt_ns+0xa30/0xa30 [ 64.566349] ? copy_mount_options+0x1fa/0x2f0 [ 64.570825] ? copy_mnt_ns+0xa30/0xa30 [ 64.574687] SyS_mount+0xa8/0x120 [ 64.578115] ? copy_mnt_ns+0xa30/0xa30 [ 64.581979] do_syscall_64+0x1d5/0x640 [ 64.585846] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 64.591014] RIP: 0033:0x7ff216918509 executing program [ 64.594713] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 64.602397] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff216918509 [ 64.609657] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 64.616900] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 64.624232] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 64.631478] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 64.654006] FAULT_INJECTION: forcing a failure. [ 64.654006] name failslab, interval 1, probability 0, space 0, times 0 [ 64.665474] CPU: 0 PID: 8348 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 64.673337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.682677] Call Trace: [ 64.685246] dump_stack+0x1b2/0x281 [ 64.688864] should_fail.cold+0x10a/0x149 [ 64.692990] should_failslab+0xd6/0x130 [ 64.696949] __kmalloc+0x2c1/0x400 [ 64.700484] ? kobject_get_path+0xb5/0x230 [ 64.704695] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 64.710126] kobject_get_path+0xb5/0x230 [ 64.714164] kobject_uevent_env+0x230/0xf30 [ 64.718462] ? wait_for_completion_io+0x10/0x10 [ 64.723118] ? is_acpi_device_node+0x5b/0x70 [ 64.727540] device_del+0x642/0xa80 [ 64.731160] ? __device_links_no_driver+0x1b0/0x1b0 [ 64.736185] device_unregister+0x22/0xc0 [ 64.740238] bdi_unregister+0x42f/0x610 [ 64.744206] ? wb_blkcg_offline+0x180/0x180 [ 64.748518] ? generic_shutdown_super+0x276/0x370 [ 64.753339] ? lock_acquire+0x170/0x3f0 [ 64.757311] ? lock_downgrade+0x740/0x740 [ 64.761438] bdi_put+0x127/0x160 [ 64.764781] generic_shutdown_super+0x2aa/0x370 [ 64.769433] kill_anon_super+0x36/0x90 [ 64.773299] deactivate_locked_super+0x6c/0xd0 [ 64.777860] deactivate_super+0x7f/0xa0 [ 64.781811] cleanup_mnt+0x186/0x2c0 [ 64.785500] task_work_run+0x11f/0x190 [ 64.789366] exit_to_usermode_loop+0x1ad/0x200 [ 64.793925] ? SyS_mount+0xd1/0x120 [ 64.797527] do_syscall_64+0x4a3/0x640 executing program [ 64.801397] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 64.806565] RIP: 0033:0x7ff216918509 [ 64.810251] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 64.817934] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 64.825183] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 64.832428] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 64.839670] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 64.846916] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 64.866562] FAULT_INJECTION: forcing a failure. [ 64.866562] name failslab, interval 1, probability 0, space 0, times 0 [ 64.878560] CPU: 0 PID: 8351 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 64.886426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.895770] Call Trace: [ 64.898336] dump_stack+0x1b2/0x281 [ 64.902044] should_fail.cold+0x10a/0x149 [ 64.906171] should_failslab+0xd6/0x130 [ 64.910123] kmem_cache_alloc_trace+0x29a/0x3d0 [ 64.914779] get_mountpoint+0xc3/0x320 [ 64.918660] lock_mount+0x106/0x450 [ 64.922357] ? lookup_mnt+0x3b0/0x3b0 [ 64.926142] ? do_mount+0x1693/0x2a30 [ 64.929924] do_add_mount+0x63/0x4f0 [ 64.933617] ? graft_tree+0x1c0/0x1c0 [ 64.937397] do_mount+0x1540/0x2a30 [ 64.941014] ? do_raw_spin_unlock+0x164/0x220 [ 64.945487] ? copy_mount_string+0x40/0x40 [ 64.949702] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 64.954696] ? copy_mnt_ns+0xa30/0xa30 [ 64.958565] ? copy_mount_options+0x1fa/0x2f0 [ 64.963111] ? copy_mnt_ns+0xa30/0xa30 [ 64.966993] SyS_mount+0xa8/0x120 [ 64.970425] ? copy_mnt_ns+0xa30/0xa30 [ 64.974294] do_syscall_64+0x1d5/0x640 [ 64.978168] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 64.983335] RIP: 0033:0x7ff216918509 [ 64.987025] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 64.994714] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff216918509 [ 65.001960] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 65.009208] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d executing program [ 65.016460] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 65.023715] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 65.044568] FAULT_INJECTION: forcing a failure. [ 65.044568] name failslab, interval 1, probability 0, space 0, times 0 [ 65.056250] CPU: 0 PID: 8355 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 65.064111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.073443] Call Trace: [ 65.076011] dump_stack+0x1b2/0x281 [ 65.079619] should_fail.cold+0x10a/0x149 [ 65.083745] should_failslab+0xd6/0x130 [ 65.087696] __kmalloc+0x2c1/0x400 [ 65.091213] ? kobject_get_path+0xb5/0x230 [ 65.095423] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 65.100850] kobject_get_path+0xb5/0x230 [ 65.104891] kobject_uevent_env+0x230/0xf30 [ 65.109191] ? wait_for_completion_io+0x10/0x10 [ 65.113836] ? is_acpi_device_node+0x5b/0x70 [ 65.118220] device_del+0x642/0xa80 [ 65.121824] ? __device_links_no_driver+0x1b0/0x1b0 [ 65.126815] device_unregister+0x22/0xc0 [ 65.130851] bdi_unregister+0x42f/0x610 [ 65.134823] ? wb_blkcg_offline+0x180/0x180 [ 65.139121] ? generic_shutdown_super+0x276/0x370 [ 65.143946] ? lock_acquire+0x170/0x3f0 [ 65.147901] ? lock_downgrade+0x740/0x740 [ 65.152025] bdi_put+0x127/0x160 [ 65.155368] generic_shutdown_super+0x2aa/0x370 [ 65.160127] kill_anon_super+0x36/0x90 [ 65.163993] deactivate_locked_super+0x6c/0xd0 [ 65.168549] deactivate_super+0x7f/0xa0 [ 65.172500] cleanup_mnt+0x186/0x2c0 [ 65.176190] task_work_run+0x11f/0x190 [ 65.180054] exit_to_usermode_loop+0x1ad/0x200 [ 65.184609] ? SyS_mount+0xd1/0x120 [ 65.188213] do_syscall_64+0x4a3/0x640 [ 65.192077] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 65.197348] RIP: 0033:0x7ff216918509 [ 65.201034] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 65.208723] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 executing program [ 65.215980] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 65.224279] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 65.231525] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 65.238770] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 65.259369] FAULT_INJECTION: forcing a failure. [ 65.259369] name failslab, interval 1, probability 0, space 0, times 0 [ 65.271024] CPU: 1 PID: 8358 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 65.278888] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.288223] Call Trace: [ 65.290798] dump_stack+0x1b2/0x281 [ 65.294402] should_fail.cold+0x10a/0x149 [ 65.298527] should_failslab+0xd6/0x130 [ 65.302479] kmem_cache_alloc_node+0x263/0x410 [ 65.307036] __alloc_skb+0x5c/0x510 [ 65.310640] kobject_uevent_env+0x882/0xf30 [ 65.315031] device_del+0x642/0xa80 [ 65.318634] ? __device_links_no_driver+0x1b0/0x1b0 [ 65.323626] device_unregister+0x22/0xc0 [ 65.327662] bdi_unregister+0x42f/0x610 [ 65.331616] ? wb_blkcg_offline+0x180/0x180 [ 65.335914] ? generic_shutdown_super+0x276/0x370 [ 65.340732] ? lock_acquire+0x170/0x3f0 [ 65.344704] ? lock_downgrade+0x740/0x740 [ 65.348838] bdi_put+0x127/0x160 [ 65.352188] generic_shutdown_super+0x2aa/0x370 [ 65.356833] kill_anon_super+0x36/0x90 [ 65.360698] deactivate_locked_super+0x6c/0xd0 [ 65.365255] deactivate_super+0x7f/0xa0 [ 65.369206] cleanup_mnt+0x186/0x2c0 [ 65.372896] task_work_run+0x11f/0x190 [ 65.376761] exit_to_usermode_loop+0x1ad/0x200 [ 65.381319] ? SyS_mount+0xd1/0x120 [ 65.384931] do_syscall_64+0x4a3/0x640 [ 65.388807] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 65.393979] RIP: 0033:0x7ff216918509 [ 65.397665] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 65.405349] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 executing program [ 65.412594] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 65.419840] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 65.427087] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 65.434331] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 65.452385] FAULT_INJECTION: forcing a failure. [ 65.452385] name failslab, interval 1, probability 0, space 0, times 0 [ 65.463891] CPU: 0 PID: 8362 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 65.471757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.481090] Call Trace: [ 65.483663] dump_stack+0x1b2/0x281 [ 65.487267] should_fail.cold+0x10a/0x149 [ 65.491391] should_failslab+0xd6/0x130 [ 65.495341] kmem_cache_alloc_trace+0x29a/0x3d0 [ 65.499985] get_mountpoint+0xc3/0x320 [ 65.503847] lock_mount+0x106/0x450 [ 65.507457] ? lookup_mnt+0x3b0/0x3b0 [ 65.511236] ? do_mount+0x1693/0x2a30 [ 65.515014] do_add_mount+0x63/0x4f0 [ 65.518705] ? graft_tree+0x1c0/0x1c0 [ 65.522484] do_mount+0x1540/0x2a30 [ 65.526087] ? do_raw_spin_unlock+0x164/0x220 [ 65.530558] ? copy_mount_string+0x40/0x40 [ 65.534774] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 65.539773] ? copy_mnt_ns+0xa30/0xa30 [ 65.543640] ? copy_mount_options+0x1fa/0x2f0 [ 65.548109] ? copy_mnt_ns+0xa30/0xa30 [ 65.551972] SyS_mount+0xa8/0x120 [ 65.555399] ? copy_mnt_ns+0xa30/0xa30 [ 65.559263] do_syscall_64+0x1d5/0x640 [ 65.563126] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 65.568291] RIP: 0033:0x7ff216918509 [ 65.571978] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 65.579658] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff216918509 [ 65.586903] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 65.594150] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 65.601394] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 65.608640] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 65.633602] FAULT_INJECTION: forcing a failure. [ 65.633602] name failslab, interval 1, probability 0, space 0, times 0 [ 65.645371] CPU: 0 PID: 8367 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 65.653230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.662559] Call Trace: [ 65.665122] dump_stack+0x1b2/0x281 [ 65.668738] should_fail.cold+0x10a/0x149 [ 65.672867] should_failslab+0xd6/0x130 [ 65.676818] __kmalloc+0x2c1/0x400 [ 65.680334] ? kobject_get_path+0xb5/0x230 [ 65.684544] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 65.689983] kobject_get_path+0xb5/0x230 [ 65.694030] kobject_uevent_env+0x230/0xf30 [ 65.698335] ? wait_for_completion_io+0x10/0x10 [ 65.702984] ? is_acpi_device_node+0x5b/0x70 [ 65.707370] device_del+0x642/0xa80 [ 65.710978] ? __device_links_no_driver+0x1b0/0x1b0 [ 65.715993] device_unregister+0x22/0xc0 [ 65.720031] bdi_unregister+0x42f/0x610 [ 65.723982] ? wb_blkcg_offline+0x180/0x180 [ 65.728368] ? generic_shutdown_super+0x276/0x370 [ 65.733185] ? lock_acquire+0x170/0x3f0 [ 65.737136] ? lock_downgrade+0x740/0x740 [ 65.741259] bdi_put+0x127/0x160 [ 65.744606] generic_shutdown_super+0x2aa/0x370 [ 65.749266] kill_anon_super+0x36/0x90 [ 65.753145] deactivate_locked_super+0x6c/0xd0 [ 65.757713] deactivate_super+0x7f/0xa0 [ 65.762112] cleanup_mnt+0x186/0x2c0 [ 65.765814] task_work_run+0x11f/0x190 [ 65.769683] exit_to_usermode_loop+0x1ad/0x200 [ 65.774242] ? SyS_mount+0xd1/0x120 [ 65.777848] do_syscall_64+0x4a3/0x640 executing program [ 65.781717] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 65.786884] RIP: 0033:0x7ff216918509 [ 65.790570] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 65.798254] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 65.805505] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 65.812752] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 65.820000] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 65.827246] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 65.847649] FAULT_INJECTION: forcing a failure. [ 65.847649] name failslab, interval 1, probability 0, space 0, times 0 [ 65.858921] CPU: 0 PID: 8370 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 65.866785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.876126] Call Trace: [ 65.878702] dump_stack+0x1b2/0x281 [ 65.882319] should_fail.cold+0x10a/0x149 [ 65.886451] should_failslab+0xd6/0x130 [ 65.890409] __kmalloc+0x2c1/0x400 [ 65.893930] ? kobject_get_path+0xb5/0x230 [ 65.898141] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 65.903578] kobject_get_path+0xb5/0x230 [ 65.907622] kobject_uevent_env+0x230/0xf30 [ 65.911925] ? wait_for_completion_io+0x10/0x10 [ 65.916571] ? is_acpi_device_node+0x5b/0x70 [ 65.920955] device_del+0x642/0xa80 [ 65.924563] ? __device_links_no_driver+0x1b0/0x1b0 [ 65.929558] device_unregister+0x22/0xc0 [ 65.933615] bdi_unregister+0x42f/0x610 [ 65.937572] ? wb_blkcg_offline+0x180/0x180 [ 65.941880] ? generic_shutdown_super+0x276/0x370 [ 65.946713] ? lock_acquire+0x170/0x3f0 [ 65.950676] ? lock_downgrade+0x740/0x740 [ 65.954811] bdi_put+0x127/0x160 [ 65.958155] generic_shutdown_super+0x2aa/0x370 [ 65.962802] kill_anon_super+0x36/0x90 [ 65.966674] deactivate_locked_super+0x6c/0xd0 [ 65.971239] deactivate_super+0x7f/0xa0 [ 65.975192] cleanup_mnt+0x186/0x2c0 [ 65.978891] task_work_run+0x11f/0x190 [ 65.982763] exit_to_usermode_loop+0x1ad/0x200 [ 65.987324] ? SyS_mount+0xd1/0x120 [ 65.990934] do_syscall_64+0x4a3/0x640 executing program [ 65.994811] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 65.999975] RIP: 0033:0x7ff216918509 [ 66.003664] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 66.011349] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 66.018599] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 66.025849] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 66.033096] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 66.040340] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 66.061579] FAULT_INJECTION: forcing a failure. [ 66.061579] name failslab, interval 1, probability 0, space 0, times 0 [ 66.072811] CPU: 1 PID: 8373 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 66.080668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.089998] Call Trace: [ 66.092563] dump_stack+0x1b2/0x281 [ 66.096172] should_fail.cold+0x10a/0x149 [ 66.100297] should_failslab+0xd6/0x130 [ 66.104254] kmem_cache_alloc_trace+0x29a/0x3d0 [ 66.108901] get_mountpoint+0xc3/0x320 [ 66.112765] lock_mount+0x106/0x450 [ 66.116468] ? lookup_mnt+0x3b0/0x3b0 [ 66.120244] ? do_mount+0x1693/0x2a30 [ 66.124035] do_add_mount+0x63/0x4f0 [ 66.127736] ? graft_tree+0x1c0/0x1c0 [ 66.131518] do_mount+0x1540/0x2a30 [ 66.135120] ? do_raw_spin_unlock+0x164/0x220 [ 66.139593] ? copy_mount_string+0x40/0x40 [ 66.143806] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 66.148802] ? copy_mnt_ns+0xa30/0xa30 [ 66.152662] ? copy_mount_options+0x1fa/0x2f0 [ 66.157132] ? copy_mnt_ns+0xa30/0xa30 [ 66.161004] SyS_mount+0xa8/0x120 [ 66.164437] ? copy_mnt_ns+0xa30/0xa30 [ 66.168298] do_syscall_64+0x1d5/0x640 [ 66.172252] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 66.177415] RIP: 0033:0x7ff216918509 [ 66.181101] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 66.188784] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff216918509 [ 66.196027] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 66.203273] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d executing program [ 66.210517] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 66.217761] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 66.240758] FAULT_INJECTION: forcing a failure. [ 66.240758] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 66.252564] CPU: 0 PID: 8378 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 66.260419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.269750] Call Trace: [ 66.272314] dump_stack+0x1b2/0x281 [ 66.275924] should_fail.cold+0x10a/0x149 [ 66.280051] __alloc_pages_nodemask+0x22c/0x2720 [ 66.284790] ? __lock_acquire+0x5fc/0x3f20 [ 66.289009] ? __lock_acquire+0x5fc/0x3f20 [ 66.293223] ? trace_hardirqs_on+0x10/0x10 [ 66.297432] ? __lock_acquire+0x5fc/0x3f20 [ 66.301642] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 66.306462] ? __lock_acquire+0x5fc/0x3f20 [ 66.310675] ? lock_acquire+0x170/0x3f0 [ 66.314626] ? device_del+0x3e4/0xa80 [ 66.318405] cache_grow_begin+0x91/0x700 [ 66.322441] ? fs_reclaim_release+0xd0/0x110 [ 66.326825] ? check_preemption_disabled+0x35/0x240 [ 66.331817] cache_alloc_refill+0x273/0x350 [ 66.336118] kmem_cache_alloc_trace+0x340/0x3d0 [ 66.340762] ? dev_uevent_filter+0xd0/0xd0 [ 66.344976] kobject_uevent_env+0x20c/0xf30 [ 66.349274] ? wait_for_completion_io+0x10/0x10 [ 66.353919] ? is_acpi_device_node+0x5b/0x70 [ 66.358302] device_del+0x642/0xa80 [ 66.361908] ? __device_links_no_driver+0x1b0/0x1b0 [ 66.366911] device_unregister+0x22/0xc0 [ 66.370949] bdi_unregister+0x42f/0x610 [ 66.374899] ? wb_blkcg_offline+0x180/0x180 [ 66.379200] ? generic_shutdown_super+0x276/0x370 [ 66.384017] ? lock_acquire+0x170/0x3f0 [ 66.387965] ? lock_downgrade+0x740/0x740 [ 66.392090] bdi_put+0x127/0x160 [ 66.395434] generic_shutdown_super+0x2aa/0x370 [ 66.400087] kill_anon_super+0x36/0x90 [ 66.403950] deactivate_locked_super+0x6c/0xd0 [ 66.408504] deactivate_super+0x7f/0xa0 [ 66.412455] cleanup_mnt+0x186/0x2c0 [ 66.416146] task_work_run+0x11f/0x190 [ 66.420013] exit_to_usermode_loop+0x1ad/0x200 [ 66.424570] ? SyS_mount+0xd1/0x120 [ 66.428173] do_syscall_64+0x4a3/0x640 [ 66.432047] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 66.437297] RIP: 0033:0x7ff216918509 [ 66.440984] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 66.448674] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 66.455920] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 executing program [ 66.463164] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 66.470408] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 66.477653] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 66.503216] FAULT_INJECTION: forcing a failure. [ 66.503216] name failslab, interval 1, probability 0, space 0, times 0 [ 66.514481] CPU: 0 PID: 8383 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 66.522346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.531673] Call Trace: [ 66.534246] dump_stack+0x1b2/0x281 [ 66.537853] should_fail.cold+0x10a/0x149 [ 66.541980] should_failslab+0xd6/0x130 [ 66.545932] kmem_cache_alloc_trace+0x29a/0x3d0 [ 66.550582] get_mountpoint+0xc3/0x320 [ 66.554444] lock_mount+0x106/0x450 [ 66.558045] ? lookup_mnt+0x3b0/0x3b0 [ 66.561821] ? do_mount+0x1693/0x2a30 [ 66.565596] do_add_mount+0x63/0x4f0 [ 66.569288] ? graft_tree+0x1c0/0x1c0 [ 66.573065] do_mount+0x1540/0x2a30 [ 66.576676] ? do_raw_spin_unlock+0x164/0x220 [ 66.581159] ? copy_mount_string+0x40/0x40 [ 66.585378] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 66.590369] ? copy_mnt_ns+0xa30/0xa30 [ 66.594230] ? copy_mount_options+0x1fa/0x2f0 [ 66.598698] ? copy_mnt_ns+0xa30/0xa30 [ 66.602559] SyS_mount+0xa8/0x120 [ 66.605990] ? copy_mnt_ns+0xa30/0xa30 [ 66.609864] do_syscall_64+0x1d5/0x640 [ 66.613730] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 66.618898] RIP: 0033:0x7ff216918509 [ 66.622583] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 66.630265] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff216918509 [ 66.637511] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 66.644883] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 66.652135] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 executing program [ 66.659385] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 66.682651] FAULT_INJECTION: forcing a failure. [ 66.682651] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 66.694447] CPU: 1 PID: 8386 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 66.702302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.711630] Call Trace: [ 66.714195] dump_stack+0x1b2/0x281 [ 66.717805] should_fail.cold+0x10a/0x149 [ 66.721945] __alloc_pages_nodemask+0x22c/0x2720 [ 66.726681] ? __lock_acquire+0x5fc/0x3f20 [ 66.730897] ? __lock_acquire+0x5fc/0x3f20 [ 66.735109] ? trace_hardirqs_on+0x10/0x10 [ 66.739321] ? __lock_acquire+0x5fc/0x3f20 [ 66.743534] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 66.748366] ? __lock_acquire+0x5fc/0x3f20 [ 66.752582] ? lock_acquire+0x170/0x3f0 [ 66.756531] ? device_del+0x3e4/0xa80 [ 66.760308] cache_grow_begin+0x91/0x700 [ 66.764346] ? fs_reclaim_release+0xd0/0x110 [ 66.768756] ? check_preemption_disabled+0x35/0x240 [ 66.773770] cache_alloc_refill+0x273/0x350 [ 66.778077] kmem_cache_alloc_trace+0x340/0x3d0 [ 66.782725] ? dev_uevent_filter+0xd0/0xd0 [ 66.786937] kobject_uevent_env+0x20c/0xf30 [ 66.791236] ? wait_for_completion_io+0x10/0x10 [ 66.795881] ? is_acpi_device_node+0x5b/0x70 [ 66.800266] device_del+0x642/0xa80 [ 66.803877] ? __device_links_no_driver+0x1b0/0x1b0 [ 66.808873] device_unregister+0x22/0xc0 [ 66.812909] bdi_unregister+0x42f/0x610 [ 66.816861] ? wb_blkcg_offline+0x180/0x180 [ 66.821158] ? generic_shutdown_super+0x276/0x370 [ 66.825978] ? lock_acquire+0x170/0x3f0 [ 66.829928] ? lock_downgrade+0x740/0x740 [ 66.834054] bdi_put+0x127/0x160 [ 66.837403] generic_shutdown_super+0x2aa/0x370 [ 66.842052] kill_anon_super+0x36/0x90 [ 66.845921] deactivate_locked_super+0x6c/0xd0 [ 66.850479] deactivate_super+0x7f/0xa0 [ 66.854431] cleanup_mnt+0x186/0x2c0 [ 66.858124] task_work_run+0x11f/0x190 [ 66.862007] exit_to_usermode_loop+0x1ad/0x200 [ 66.866564] ? SyS_mount+0xd1/0x120 [ 66.870168] do_syscall_64+0x4a3/0x640 [ 66.874035] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 66.879200] RIP: 0033:0x7ff216918509 [ 66.882885] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 66.890572] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 66.897819] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 66.905085] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d executing program [ 66.912340] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 66.919591] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 66.942561] FAULT_INJECTION: forcing a failure. [ 66.942561] name failslab, interval 1, probability 0, space 0, times 0 [ 66.954118] CPU: 1 PID: 8392 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 66.961985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.971313] Call Trace: [ 66.973878] dump_stack+0x1b2/0x281 [ 66.977481] should_fail.cold+0x10a/0x149 [ 66.981607] should_failslab+0xd6/0x130 [ 66.985555] __kmalloc+0x2c1/0x400 [ 66.989073] ? kobject_get_path+0xb5/0x230 [ 66.993285] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 66.998713] kobject_get_path+0xb5/0x230 [ 67.002756] kobject_uevent_env+0x230/0xf30 [ 67.007060] ? wait_for_completion_io+0x10/0x10 [ 67.011711] ? is_acpi_device_node+0x5b/0x70 [ 67.016095] device_del+0x642/0xa80 [ 67.019700] ? __device_links_no_driver+0x1b0/0x1b0 [ 67.024694] device_unregister+0x22/0xc0 [ 67.028735] bdi_unregister+0x42f/0x610 [ 67.032698] ? wb_blkcg_offline+0x180/0x180 [ 67.037002] ? generic_shutdown_super+0x276/0x370 [ 67.041828] ? lock_acquire+0x170/0x3f0 [ 67.045775] ? lock_downgrade+0x740/0x740 [ 67.049900] bdi_put+0x127/0x160 [ 67.053245] generic_shutdown_super+0x2aa/0x370 [ 67.057890] kill_anon_super+0x36/0x90 [ 67.061756] deactivate_locked_super+0x6c/0xd0 [ 67.066313] deactivate_super+0x7f/0xa0 [ 67.070271] cleanup_mnt+0x186/0x2c0 [ 67.073962] task_work_run+0x11f/0x190 [ 67.077835] exit_to_usermode_loop+0x1ad/0x200 [ 67.082392] ? SyS_mount+0xd1/0x120 [ 67.085995] do_syscall_64+0x4a3/0x640 [ 67.089873] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 67.095040] RIP: 0033:0x7ff216918509 [ 67.098727] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 67.106409] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 executing program [ 67.113659] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 67.120915] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 67.128159] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 67.135407] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 67.152673] FAULT_INJECTION: forcing a failure. [ 67.152673] name failslab, interval 1, probability 0, space 0, times 0 [ 67.163944] CPU: 1 PID: 8395 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 67.171805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.181134] Call Trace: [ 67.183699] dump_stack+0x1b2/0x281 [ 67.187304] should_fail.cold+0x10a/0x149 [ 67.191434] should_failslab+0xd6/0x130 [ 67.195392] kmem_cache_alloc_node+0x263/0x410 [ 67.199954] __alloc_skb+0x5c/0x510 [ 67.203571] kobject_uevent_env+0x882/0xf30 [ 67.207869] ? is_acpi_device_node+0x5b/0x70 [ 67.212255] device_del+0x642/0xa80 [ 67.215859] ? __device_links_no_driver+0x1b0/0x1b0 [ 67.220858] device_unregister+0x22/0xc0 [ 67.224983] bdi_unregister+0x42f/0x610 [ 67.228934] ? wb_blkcg_offline+0x180/0x180 [ 67.233230] ? generic_shutdown_super+0x276/0x370 [ 67.238054] ? lock_acquire+0x170/0x3f0 [ 67.242002] ? lock_downgrade+0x740/0x740 [ 67.246126] bdi_put+0x127/0x160 [ 67.249467] generic_shutdown_super+0x2aa/0x370 [ 67.254108] kill_anon_super+0x36/0x90 [ 67.257971] deactivate_locked_super+0x6c/0xd0 [ 67.262526] deactivate_super+0x7f/0xa0 [ 67.266479] cleanup_mnt+0x186/0x2c0 [ 67.270175] task_work_run+0x11f/0x190 [ 67.274040] exit_to_usermode_loop+0x1ad/0x200 [ 67.278596] ? SyS_mount+0xd1/0x120 [ 67.282197] do_syscall_64+0x4a3/0x640 [ 67.286075] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 67.291245] RIP: 0033:0x7ff216918509 [ 67.294931] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 67.302613] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 67.309859] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 executing program [ 67.317102] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 67.324347] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 67.331593] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 67.349624] FAULT_INJECTION: forcing a failure. [ 67.349624] name failslab, interval 1, probability 0, space 0, times 0 [ 67.360870] CPU: 1 PID: 8399 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 67.368739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.378073] Call Trace: [ 67.380638] dump_stack+0x1b2/0x281 [ 67.384252] should_fail.cold+0x10a/0x149 [ 67.388377] should_failslab+0xd6/0x130 [ 67.392328] kmem_cache_alloc_trace+0x29a/0x3d0 [ 67.396983] get_mountpoint+0xc3/0x320 [ 67.400845] lock_mount+0x106/0x450 [ 67.404449] ? lookup_mnt+0x3b0/0x3b0 [ 67.408229] ? do_mount+0x1693/0x2a30 [ 67.412007] do_add_mount+0x63/0x4f0 [ 67.415715] ? graft_tree+0x1c0/0x1c0 [ 67.419491] do_mount+0x1540/0x2a30 [ 67.423092] ? do_raw_spin_unlock+0x164/0x220 [ 67.427562] ? copy_mount_string+0x40/0x40 [ 67.431775] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 67.436785] ? copy_mnt_ns+0xa30/0xa30 [ 67.440656] ? copy_mount_options+0x1fa/0x2f0 [ 67.445125] ? copy_mnt_ns+0xa30/0xa30 [ 67.448987] SyS_mount+0xa8/0x120 [ 67.452413] ? copy_mnt_ns+0xa30/0xa30 [ 67.456279] do_syscall_64+0x1d5/0x640 [ 67.460154] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 67.465327] RIP: 0033:0x7ff216918509 [ 67.469012] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 67.476698] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff216918509 [ 67.483944] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 67.491187] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 67.498430] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 67.505675] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 67.527301] FAULT_INJECTION: forcing a failure. [ 67.527301] name failslab, interval 1, probability 0, space 0, times 0 [ 67.538772] CPU: 0 PID: 8403 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 67.546635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.555966] Call Trace: [ 67.558539] dump_stack+0x1b2/0x281 [ 67.562142] should_fail.cold+0x10a/0x149 [ 67.566267] should_failslab+0xd6/0x130 [ 67.570219] __kmalloc+0x2c1/0x400 [ 67.573735] ? kobject_get_path+0xb5/0x230 [ 67.577944] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 67.583368] kobject_get_path+0xb5/0x230 [ 67.587407] kobject_uevent_env+0x230/0xf30 [ 67.591705] ? wait_for_completion_io+0x10/0x10 [ 67.596354] ? is_acpi_device_node+0x5b/0x70 [ 67.600739] device_del+0x642/0xa80 [ 67.604344] ? __device_links_no_driver+0x1b0/0x1b0 [ 67.609337] device_unregister+0x22/0xc0 [ 67.613373] bdi_unregister+0x42f/0x610 [ 67.617324] ? wb_blkcg_offline+0x180/0x180 [ 67.621621] ? generic_shutdown_super+0x276/0x370 [ 67.626439] ? lock_acquire+0x170/0x3f0 [ 67.630402] ? lock_downgrade+0x740/0x740 [ 67.634549] bdi_put+0x127/0x160 [ 67.637892] generic_shutdown_super+0x2aa/0x370 [ 67.642537] kill_anon_super+0x36/0x90 [ 67.646398] deactivate_locked_super+0x6c/0xd0 [ 67.650955] deactivate_super+0x7f/0xa0 [ 67.654911] cleanup_mnt+0x186/0x2c0 [ 67.658611] task_work_run+0x11f/0x190 [ 67.662478] exit_to_usermode_loop+0x1ad/0x200 [ 67.667039] ? SyS_mount+0xd1/0x120 [ 67.670640] do_syscall_64+0x4a3/0x640 executing program [ 67.674520] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 67.679699] RIP: 0033:0x7ff216918509 [ 67.683385] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 67.691076] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 67.698327] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 67.705578] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 67.712831] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 67.720080] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 67.733794] FAULT_INJECTION: forcing a failure. [ 67.733794] name failslab, interval 1, probability 0, space 0, times 0 [ 67.746884] CPU: 0 PID: 8407 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 67.754761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.764091] Call Trace: [ 67.766660] dump_stack+0x1b2/0x281 [ 67.770269] should_fail.cold+0x10a/0x149 [ 67.774396] should_failslab+0xd6/0x130 [ 67.778348] kmem_cache_alloc_trace+0x29a/0x3d0 [ 67.782994] ? dev_uevent_filter+0xd0/0xd0 [ 67.787209] kobject_uevent_env+0x20c/0xf30 [ 67.791511] ? wait_for_completion_io+0x10/0x10 [ 67.796161] ? is_acpi_device_node+0x5b/0x70 [ 67.800550] device_del+0x642/0xa80 [ 67.804159] ? __device_links_no_driver+0x1b0/0x1b0 [ 67.809152] device_unregister+0x22/0xc0 [ 67.813187] bdi_unregister+0x42f/0x610 [ 67.817135] ? wb_blkcg_offline+0x180/0x180 [ 67.821431] ? generic_shutdown_super+0x276/0x370 [ 67.826252] ? lock_acquire+0x170/0x3f0 [ 67.830221] ? lock_downgrade+0x740/0x740 [ 67.834348] bdi_put+0x127/0x160 [ 67.837696] generic_shutdown_super+0x2aa/0x370 [ 67.842347] kill_anon_super+0x36/0x90 [ 67.846211] deactivate_locked_super+0x6c/0xd0 [ 67.850784] deactivate_super+0x7f/0xa0 [ 67.854733] cleanup_mnt+0x186/0x2c0 [ 67.858425] task_work_run+0x11f/0x190 [ 67.862308] exit_to_usermode_loop+0x1ad/0x200 [ 67.866865] ? SyS_mount+0xd1/0x120 [ 67.870468] do_syscall_64+0x4a3/0x640 [ 67.874333] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 67.879498] RIP: 0033:0x7ff216918509 executing program [ 67.883185] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 67.890873] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 67.898121] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 67.905366] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 67.912619] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 67.919869] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 67.934815] FAULT_INJECTION: forcing a failure. [ 67.934815] name failslab, interval 1, probability 0, space 0, times 0 [ 67.948272] CPU: 0 PID: 8410 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 67.956177] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.965514] Call Trace: [ 67.968083] dump_stack+0x1b2/0x281 [ 67.971690] should_fail.cold+0x10a/0x149 [ 67.975817] should_failslab+0xd6/0x130 [ 67.979767] __kmalloc+0x2c1/0x400 [ 67.983283] ? kobject_get_path+0xb5/0x230 [ 67.987492] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 67.992920] kobject_get_path+0xb5/0x230 [ 67.996961] kobject_uevent_env+0x230/0xf30 [ 68.001267] ? wait_for_completion_io+0x10/0x10 [ 68.005921] ? is_acpi_device_node+0x5b/0x70 [ 68.010305] device_del+0x642/0xa80 [ 68.013908] ? __device_links_no_driver+0x1b0/0x1b0 [ 68.018901] device_unregister+0x22/0xc0 [ 68.022942] bdi_unregister+0x42f/0x610 [ 68.026892] ? wb_blkcg_offline+0x180/0x180 [ 68.031187] ? generic_shutdown_super+0x276/0x370 [ 68.036004] ? lock_acquire+0x170/0x3f0 [ 68.039953] ? lock_downgrade+0x740/0x740 [ 68.044076] bdi_put+0x127/0x160 [ 68.047418] generic_shutdown_super+0x2aa/0x370 [ 68.052066] kill_anon_super+0x36/0x90 [ 68.055930] deactivate_locked_super+0x6c/0xd0 [ 68.060486] deactivate_super+0x7f/0xa0 [ 68.064434] cleanup_mnt+0x186/0x2c0 [ 68.068128] task_work_run+0x11f/0x190 [ 68.072000] exit_to_usermode_loop+0x1ad/0x200 [ 68.076650] ? SyS_mount+0xd1/0x120 [ 68.080252] do_syscall_64+0x4a3/0x640 [ 68.084119] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 68.089283] RIP: 0033:0x7ff216918509 [ 68.092969] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 68.100656] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 68.107910] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 68.115153] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 68.122396] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 executing program [ 68.129652] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 68.144456] FAULT_INJECTION: forcing a failure. [ 68.144456] name failslab, interval 1, probability 0, space 0, times 0 [ 68.157735] CPU: 0 PID: 8413 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 68.165614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.175048] Call Trace: [ 68.177619] dump_stack+0x1b2/0x281 [ 68.181229] should_fail.cold+0x10a/0x149 [ 68.185353] should_failslab+0xd6/0x130 [ 68.189305] kmem_cache_alloc_trace+0x29a/0x3d0 [ 68.193952] get_mountpoint+0xc3/0x320 [ 68.197813] lock_mount+0x106/0x450 [ 68.201420] ? lookup_mnt+0x3b0/0x3b0 [ 68.205201] ? do_mount+0x1693/0x2a30 [ 68.208983] do_add_mount+0x63/0x4f0 [ 68.212673] ? graft_tree+0x1c0/0x1c0 [ 68.216452] do_mount+0x1540/0x2a30 [ 68.220063] ? do_raw_spin_unlock+0x164/0x220 [ 68.224540] ? copy_mount_string+0x40/0x40 [ 68.228760] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 68.233774] ? copy_mnt_ns+0xa30/0xa30 [ 68.237745] ? copy_mount_options+0x1fa/0x2f0 [ 68.242231] ? copy_mnt_ns+0xa30/0xa30 [ 68.246094] SyS_mount+0xa8/0x120 [ 68.249529] ? copy_mnt_ns+0xa30/0xa30 [ 68.253402] do_syscall_64+0x1d5/0x640 [ 68.257269] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 68.262437] RIP: 0033:0x7ff216918509 [ 68.266123] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 68.273808] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff216918509 executing program [ 68.281218] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 68.288483] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 68.295750] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 68.303002] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 68.318014] FAULT_INJECTION: forcing a failure. [ 68.318014] name failslab, interval 1, probability 0, space 0, times 0 [ 68.329656] CPU: 0 PID: 8417 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 68.337527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.346862] Call Trace: [ 68.349429] dump_stack+0x1b2/0x281 [ 68.353035] should_fail.cold+0x10a/0x149 [ 68.357161] should_failslab+0xd6/0x130 [ 68.361112] kmem_cache_alloc_trace+0x29a/0x3d0 [ 68.365764] ? dev_uevent_filter+0xd0/0xd0 [ 68.370235] kobject_uevent_env+0x20c/0xf30 [ 68.374534] ? wait_for_completion_io+0x10/0x10 [ 68.379186] ? is_acpi_device_node+0x5b/0x70 [ 68.383572] device_del+0x642/0xa80 [ 68.387177] ? __device_links_no_driver+0x1b0/0x1b0 [ 68.392168] device_unregister+0x22/0xc0 [ 68.396205] bdi_unregister+0x42f/0x610 [ 68.400156] ? wb_blkcg_offline+0x180/0x180 [ 68.404458] ? generic_shutdown_super+0x276/0x370 [ 68.409275] ? lock_acquire+0x170/0x3f0 [ 68.413223] ? lock_downgrade+0x740/0x740 [ 68.417348] bdi_put+0x127/0x160 [ 68.420692] generic_shutdown_super+0x2aa/0x370 [ 68.425341] kill_anon_super+0x36/0x90 [ 68.429202] deactivate_locked_super+0x6c/0xd0 [ 68.433767] deactivate_super+0x7f/0xa0 [ 68.437724] cleanup_mnt+0x186/0x2c0 [ 68.441414] task_work_run+0x11f/0x190 [ 68.445278] exit_to_usermode_loop+0x1ad/0x200 [ 68.449834] ? SyS_mount+0xd1/0x120 [ 68.453436] do_syscall_64+0x4a3/0x640 [ 68.457303] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 68.462466] RIP: 0033:0x7ff216918509 [ 68.466150] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 68.473831] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 executing program [ 68.481075] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 68.488319] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 68.495567] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 68.502811] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 68.516485] FAULT_INJECTION: forcing a failure. [ 68.516485] name failslab, interval 1, probability 0, space 0, times 0 [ 68.528286] CPU: 0 PID: 8420 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 68.536159] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.545491] Call Trace: [ 68.548078] dump_stack+0x1b2/0x281 [ 68.551685] should_fail.cold+0x10a/0x149 [ 68.555821] should_failslab+0xd6/0x130 [ 68.559771] __kmalloc+0x2c1/0x400 [ 68.563286] ? kobject_get_path+0xb5/0x230 [ 68.567497] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 68.572928] kobject_get_path+0xb5/0x230 [ 68.576964] kobject_uevent_env+0x230/0xf30 [ 68.581264] ? wait_for_completion_io+0x10/0x10 [ 68.585908] ? is_acpi_device_node+0x5b/0x70 [ 68.590291] device_del+0x642/0xa80 [ 68.593894] ? __device_links_no_driver+0x1b0/0x1b0 [ 68.598886] device_unregister+0x22/0xc0 [ 68.602923] bdi_unregister+0x42f/0x610 [ 68.606873] ? wb_blkcg_offline+0x180/0x180 [ 68.611169] ? generic_shutdown_super+0x276/0x370 [ 68.615987] ? lock_acquire+0x170/0x3f0 [ 68.619935] ? lock_downgrade+0x740/0x740 [ 68.624060] bdi_put+0x127/0x160 [ 68.627402] generic_shutdown_super+0x2aa/0x370 [ 68.632048] kill_anon_super+0x36/0x90 [ 68.635909] deactivate_locked_super+0x6c/0xd0 [ 68.640466] deactivate_super+0x7f/0xa0 [ 68.644415] cleanup_mnt+0x186/0x2c0 [ 68.648105] task_work_run+0x11f/0x190 [ 68.651970] exit_to_usermode_loop+0x1ad/0x200 [ 68.656526] ? SyS_mount+0xd1/0x120 [ 68.660145] do_syscall_64+0x4a3/0x640 [ 68.664009] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 68.669172] RIP: 0033:0x7ff216918509 [ 68.672857] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 68.680541] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 executing program [ 68.687786] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 68.695030] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 68.702273] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 68.709535] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 68.724407] FAULT_INJECTION: forcing a failure. [ 68.724407] name failslab, interval 1, probability 0, space 0, times 0 [ 68.735703] CPU: 0 PID: 8423 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 68.743578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.753044] Call Trace: [ 68.755618] dump_stack+0x1b2/0x281 [ 68.759224] should_fail.cold+0x10a/0x149 [ 68.763348] should_failslab+0xd6/0x130 [ 68.767301] kmem_cache_alloc_trace+0x29a/0x3d0 [ 68.771946] get_mountpoint+0xc3/0x320 [ 68.775807] lock_mount+0x106/0x450 [ 68.779412] ? lookup_mnt+0x3b0/0x3b0 [ 68.783190] ? do_mount+0x1693/0x2a30 [ 68.786966] do_add_mount+0x63/0x4f0 [ 68.790658] ? graft_tree+0x1c0/0x1c0 [ 68.794437] do_mount+0x1540/0x2a30 [ 68.798044] ? do_raw_spin_unlock+0x164/0x220 [ 68.802516] ? copy_mount_string+0x40/0x40 [ 68.806743] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 68.811745] ? copy_mnt_ns+0xa30/0xa30 [ 68.815613] ? copy_mount_options+0x1fa/0x2f0 [ 68.820092] ? copy_mnt_ns+0xa30/0xa30 [ 68.823962] SyS_mount+0xa8/0x120 [ 68.827396] ? copy_mnt_ns+0xa30/0xa30 [ 68.831261] do_syscall_64+0x1d5/0x640 executing program [ 68.835131] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 68.840296] RIP: 0033:0x7ff216918509 [ 68.843996] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 68.851681] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff216918509 [ 68.858925] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 68.866168] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 68.873413] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 68.880655] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 68.895346] FAULT_INJECTION: forcing a failure. [ 68.895346] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 68.907155] CPU: 0 PID: 8427 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 68.915022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.924374] Call Trace: [ 68.926942] dump_stack+0x1b2/0x281 [ 68.930549] should_fail.cold+0x10a/0x149 [ 68.934683] __alloc_pages_nodemask+0x22c/0x2720 [ 68.939427] ? __lock_acquire+0x5fc/0x3f20 [ 68.943642] ? __lock_acquire+0x5fc/0x3f20 [ 68.947858] ? trace_hardirqs_on+0x10/0x10 [ 68.952174] ? __lock_acquire+0x5fc/0x3f20 [ 68.956387] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 68.961209] ? __lock_acquire+0x5fc/0x3f20 [ 68.965438] ? lock_acquire+0x170/0x3f0 [ 68.969390] ? device_del+0x3e4/0xa80 [ 68.973179] cache_grow_begin+0x91/0x700 [ 68.977218] ? fs_reclaim_release+0xd0/0x110 [ 68.981607] ? check_preemption_disabled+0x35/0x240 [ 68.986604] cache_alloc_refill+0x273/0x350 [ 68.990902] kmem_cache_alloc_trace+0x340/0x3d0 [ 68.995548] ? dev_uevent_filter+0xd0/0xd0 [ 68.999761] kobject_uevent_env+0x20c/0xf30 [ 69.004060] ? wait_for_completion_io+0x10/0x10 [ 69.008707] ? is_acpi_device_node+0x5b/0x70 [ 69.013097] device_del+0x642/0xa80 [ 69.016708] ? __device_links_no_driver+0x1b0/0x1b0 [ 69.021704] device_unregister+0x22/0xc0 [ 69.025746] bdi_unregister+0x42f/0x610 [ 69.029698] ? wb_blkcg_offline+0x180/0x180 [ 69.033995] ? generic_shutdown_super+0x276/0x370 [ 69.038818] ? lock_acquire+0x170/0x3f0 [ 69.042767] ? lock_downgrade+0x740/0x740 [ 69.046892] bdi_put+0x127/0x160 [ 69.050236] generic_shutdown_super+0x2aa/0x370 [ 69.054879] kill_anon_super+0x36/0x90 [ 69.058739] deactivate_locked_super+0x6c/0xd0 [ 69.063298] deactivate_super+0x7f/0xa0 [ 69.067247] cleanup_mnt+0x186/0x2c0 [ 69.070938] task_work_run+0x11f/0x190 [ 69.074805] exit_to_usermode_loop+0x1ad/0x200 [ 69.079361] ? SyS_mount+0xd1/0x120 [ 69.082971] do_syscall_64+0x4a3/0x640 [ 69.086841] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 69.092005] RIP: 0033:0x7ff216918509 executing program [ 69.095691] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 69.103371] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 69.110640] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 69.117884] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 69.125129] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 69.132394] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 69.145837] FAULT_INJECTION: forcing a failure. [ 69.145837] name failslab, interval 1, probability 0, space 0, times 0 [ 69.159592] CPU: 0 PID: 8431 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 69.167473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.176803] Call Trace: [ 69.179368] dump_stack+0x1b2/0x281 [ 69.182973] should_fail.cold+0x10a/0x149 [ 69.187099] should_failslab+0xd6/0x130 [ 69.191051] kmem_cache_alloc_trace+0x29a/0x3d0 [ 69.195697] get_mountpoint+0xc3/0x320 [ 69.199559] lock_mount+0x106/0x450 [ 69.203160] ? lookup_mnt+0x3b0/0x3b0 [ 69.206934] ? do_mount+0x1693/0x2a30 [ 69.210711] do_add_mount+0x63/0x4f0 [ 69.214401] ? graft_tree+0x1c0/0x1c0 [ 69.218179] do_mount+0x1540/0x2a30 [ 69.221781] ? do_raw_spin_unlock+0x164/0x220 [ 69.226252] ? copy_mount_string+0x40/0x40 [ 69.230464] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 69.235472] ? copy_mnt_ns+0xa30/0xa30 [ 69.239332] ? copy_mount_options+0x1fa/0x2f0 [ 69.243803] ? copy_mnt_ns+0xa30/0xa30 [ 69.247665] SyS_mount+0xa8/0x120 [ 69.251091] ? copy_mnt_ns+0xa30/0xa30 [ 69.254954] do_syscall_64+0x1d5/0x640 [ 69.258824] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 69.263987] RIP: 0033:0x7ff216918509 [ 69.267673] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 69.275357] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff216918509 [ 69.282603] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 69.289847] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d executing program [ 69.297093] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 69.304337] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 69.318912] FAULT_INJECTION: forcing a failure. [ 69.318912] name failslab, interval 1, probability 0, space 0, times 0 [ 69.330227] CPU: 0 PID: 8435 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 69.338096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.347426] Call Trace: [ 69.349988] dump_stack+0x1b2/0x281 [ 69.353594] should_fail.cold+0x10a/0x149 [ 69.357717] should_failslab+0xd6/0x130 [ 69.361668] kmem_cache_alloc_trace+0x29a/0x3d0 [ 69.366315] ? dev_uevent_filter+0xd0/0xd0 [ 69.370525] kobject_uevent_env+0x20c/0xf30 [ 69.374825] ? wait_for_completion_io+0x10/0x10 [ 69.379468] ? is_acpi_device_node+0x5b/0x70 [ 69.383850] device_del+0x642/0xa80 [ 69.387455] ? __device_links_no_driver+0x1b0/0x1b0 [ 69.392450] device_unregister+0x22/0xc0 [ 69.396490] bdi_unregister+0x42f/0x610 [ 69.400439] ? wb_blkcg_offline+0x180/0x180 [ 69.404734] ? generic_shutdown_super+0x276/0x370 [ 69.409573] ? lock_acquire+0x170/0x3f0 [ 69.413523] ? lock_downgrade+0x740/0x740 [ 69.417645] bdi_put+0x127/0x160 [ 69.420988] generic_shutdown_super+0x2aa/0x370 [ 69.425632] kill_anon_super+0x36/0x90 [ 69.429494] deactivate_locked_super+0x6c/0xd0 [ 69.434051] deactivate_super+0x7f/0xa0 [ 69.438000] cleanup_mnt+0x186/0x2c0 [ 69.441691] task_work_run+0x11f/0x190 [ 69.445559] exit_to_usermode_loop+0x1ad/0x200 [ 69.450117] ? SyS_mount+0xd1/0x120 [ 69.453719] do_syscall_64+0x4a3/0x640 [ 69.457584] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 69.462752] RIP: 0033:0x7ff216918509 [ 69.466438] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 69.474121] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 69.481367] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 69.488612] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d executing program [ 69.495857] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 69.503101] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 69.517421] FAULT_INJECTION: forcing a failure. [ 69.517421] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 69.529224] CPU: 0 PID: 8438 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 69.537090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.546419] Call Trace: [ 69.548983] dump_stack+0x1b2/0x281 [ 69.552595] should_fail.cold+0x10a/0x149 [ 69.556719] __alloc_pages_nodemask+0x22c/0x2720 [ 69.561450] ? __lock_acquire+0x5fc/0x3f20 [ 69.565661] ? __lock_acquire+0x5fc/0x3f20 [ 69.569870] ? trace_hardirqs_on+0x10/0x10 [ 69.574081] ? __lock_acquire+0x5fc/0x3f20 [ 69.578294] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 69.583116] ? __lock_acquire+0x5fc/0x3f20 [ 69.587328] ? lock_acquire+0x170/0x3f0 [ 69.591277] ? device_del+0x3e4/0xa80 [ 69.595053] cache_grow_begin+0x91/0x700 [ 69.599088] ? fs_reclaim_release+0xd0/0x110 [ 69.603471] ? check_preemption_disabled+0x35/0x240 [ 69.608463] cache_alloc_refill+0x273/0x350 [ 69.612761] kmem_cache_alloc_trace+0x340/0x3d0 [ 69.617405] ? dev_uevent_filter+0xd0/0xd0 [ 69.621638] kobject_uevent_env+0x20c/0xf30 [ 69.626037] ? wait_for_completion_io+0x10/0x10 [ 69.630682] ? is_acpi_device_node+0x5b/0x70 [ 69.635066] device_del+0x642/0xa80 [ 69.638760] ? __device_links_no_driver+0x1b0/0x1b0 [ 69.643750] device_unregister+0x22/0xc0 [ 69.647788] bdi_unregister+0x42f/0x610 [ 69.651739] ? wb_blkcg_offline+0x180/0x180 [ 69.656037] ? generic_shutdown_super+0x276/0x370 [ 69.660853] ? lock_acquire+0x170/0x3f0 [ 69.664816] ? lock_downgrade+0x740/0x740 [ 69.668940] bdi_put+0x127/0x160 [ 69.672282] generic_shutdown_super+0x2aa/0x370 [ 69.676926] kill_anon_super+0x36/0x90 [ 69.680787] deactivate_locked_super+0x6c/0xd0 [ 69.685345] deactivate_super+0x7f/0xa0 [ 69.689295] cleanup_mnt+0x186/0x2c0 [ 69.692986] task_work_run+0x11f/0x190 [ 69.696851] exit_to_usermode_loop+0x1ad/0x200 [ 69.701406] ? SyS_mount+0xd1/0x120 [ 69.705010] do_syscall_64+0x4a3/0x640 [ 69.708875] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 69.714039] RIP: 0033:0x7ff216918509 [ 69.717725] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 69.725407] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 69.732650] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 69.739893] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d executing program [ 69.747136] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 69.754379] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 69.772272] FAULT_INJECTION: forcing a failure. [ 69.772272] name failslab, interval 1, probability 0, space 0, times 0 [ 69.784343] CPU: 0 PID: 8442 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 69.792247] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.801581] Call Trace: [ 69.804150] dump_stack+0x1b2/0x281 [ 69.807761] should_fail.cold+0x10a/0x149 [ 69.811891] should_failslab+0xd6/0x130 [ 69.815962] kmem_cache_alloc_trace+0x29a/0x3d0 [ 69.820620] get_mountpoint+0xc3/0x320 [ 69.824504] lock_mount+0x106/0x450 [ 69.828108] ? lookup_mnt+0x3b0/0x3b0 [ 69.831883] ? do_mount+0x1693/0x2a30 [ 69.835660] do_add_mount+0x63/0x4f0 [ 69.839349] ? graft_tree+0x1c0/0x1c0 [ 69.843127] do_mount+0x1540/0x2a30 [ 69.846734] ? do_raw_spin_unlock+0x164/0x220 [ 69.851211] ? copy_mount_string+0x40/0x40 [ 69.855427] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 69.860424] ? copy_mnt_ns+0xa30/0xa30 [ 69.864290] ? copy_mount_options+0x1fa/0x2f0 [ 69.868761] ? copy_mnt_ns+0xa30/0xa30 [ 69.872626] SyS_mount+0xa8/0x120 [ 69.876055] ? copy_mnt_ns+0xa30/0xa30 [ 69.879919] do_syscall_64+0x1d5/0x640 [ 69.883788] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 69.888953] RIP: 0033:0x7ff216918509 executing program [ 69.892638] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 69.900321] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff216918509 [ 69.907566] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 69.914829] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 69.922082] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 69.929336] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 69.943198] FAULT_INJECTION: forcing a failure. [ 69.943198] name failslab, interval 1, probability 0, space 0, times 0 [ 69.954504] CPU: 0 PID: 8446 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 69.962371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.971703] Call Trace: [ 69.974267] dump_stack+0x1b2/0x281 [ 69.977876] should_fail.cold+0x10a/0x149 [ 69.982005] should_failslab+0xd6/0x130 [ 69.985958] kmem_cache_alloc_trace+0x29a/0x3d0 [ 69.990603] get_mountpoint+0xc3/0x320 [ 69.994469] lock_mount+0x106/0x450 [ 69.998071] ? lookup_mnt+0x3b0/0x3b0 [ 70.001847] ? do_mount+0x1693/0x2a30 [ 70.005624] do_add_mount+0x63/0x4f0 [ 70.009317] ? graft_tree+0x1c0/0x1c0 [ 70.013100] do_mount+0x1540/0x2a30 [ 70.016712] ? do_raw_spin_unlock+0x164/0x220 [ 70.021189] ? copy_mount_string+0x40/0x40 [ 70.025403] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 70.030397] ? copy_mnt_ns+0xa30/0xa30 [ 70.034263] ? copy_mount_options+0x1fa/0x2f0 [ 70.038733] ? copy_mnt_ns+0xa30/0xa30 [ 70.042596] SyS_mount+0xa8/0x120 [ 70.046023] ? copy_mnt_ns+0xa30/0xa30 [ 70.049885] do_syscall_64+0x1d5/0x640 [ 70.053750] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 70.058913] RIP: 0033:0x7ff216918509 [ 70.062599] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 70.070280] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff216918509 [ 70.077525] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 70.084769] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 70.092015] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 executing program [ 70.099261] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 70.121437] FAULT_INJECTION: forcing a failure. [ 70.121437] name failslab, interval 1, probability 0, space 0, times 0 [ 70.132773] CPU: 1 PID: 8451 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 70.140639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.149968] Call Trace: [ 70.152533] dump_stack+0x1b2/0x281 [ 70.156141] should_fail.cold+0x10a/0x149 [ 70.160271] should_failslab+0xd6/0x130 [ 70.164221] kmem_cache_alloc_trace+0x29a/0x3d0 [ 70.168875] ? dev_uevent_filter+0xd0/0xd0 [ 70.173090] kobject_uevent_env+0x20c/0xf30 [ 70.177396] ? wait_for_completion_io+0x10/0x10 [ 70.182041] ? is_acpi_device_node+0x5b/0x70 [ 70.186446] device_del+0x642/0xa80 [ 70.190055] ? __device_links_no_driver+0x1b0/0x1b0 [ 70.195049] device_unregister+0x22/0xc0 [ 70.199087] bdi_unregister+0x42f/0x610 [ 70.203044] ? wb_blkcg_offline+0x180/0x180 [ 70.207350] ? generic_shutdown_super+0x276/0x370 [ 70.212173] ? lock_acquire+0x170/0x3f0 [ 70.216129] ? lock_downgrade+0x740/0x740 [ 70.220262] bdi_put+0x127/0x160 [ 70.223611] generic_shutdown_super+0x2aa/0x370 [ 70.228255] kill_anon_super+0x36/0x90 [ 70.232135] deactivate_locked_super+0x6c/0xd0 [ 70.236695] deactivate_super+0x7f/0xa0 [ 70.240644] cleanup_mnt+0x186/0x2c0 [ 70.244335] task_work_run+0x11f/0x190 [ 70.248200] exit_to_usermode_loop+0x1ad/0x200 [ 70.252757] ? SyS_mount+0xd1/0x120 [ 70.256368] do_syscall_64+0x4a3/0x640 [ 70.260243] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 70.265406] RIP: 0033:0x7ff216918509 [ 70.269095] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 70.276779] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 70.284026] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 70.291272] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d executing program [ 70.298520] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 70.305765] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 70.323833] FAULT_INJECTION: forcing a failure. [ 70.323833] name failslab, interval 1, probability 0, space 0, times 0 [ 70.335479] CPU: 0 PID: 8454 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 70.343600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.352927] Call Trace: [ 70.355493] dump_stack+0x1b2/0x281 [ 70.359097] should_fail.cold+0x10a/0x149 [ 70.363222] should_failslab+0xd6/0x130 [ 70.367171] __kmalloc+0x2c1/0x400 [ 70.370685] ? kobject_get_path+0xb5/0x230 [ 70.374892] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 70.380321] kobject_get_path+0xb5/0x230 [ 70.384359] kobject_uevent_env+0x230/0xf30 [ 70.388663] ? wait_for_completion_io+0x10/0x10 [ 70.393307] ? is_acpi_device_node+0x5b/0x70 [ 70.397689] device_del+0x642/0xa80 [ 70.401291] ? __device_links_no_driver+0x1b0/0x1b0 [ 70.406282] device_unregister+0x22/0xc0 [ 70.410322] bdi_unregister+0x42f/0x610 [ 70.414272] ? wb_blkcg_offline+0x180/0x180 [ 70.418566] ? generic_shutdown_super+0x276/0x370 [ 70.423387] ? lock_acquire+0x170/0x3f0 [ 70.427342] ? lock_downgrade+0x740/0x740 [ 70.431467] bdi_put+0x127/0x160 [ 70.434810] generic_shutdown_super+0x2aa/0x370 [ 70.439456] kill_anon_super+0x36/0x90 [ 70.443326] deactivate_locked_super+0x6c/0xd0 [ 70.447885] deactivate_super+0x7f/0xa0 [ 70.451836] cleanup_mnt+0x186/0x2c0 [ 70.455526] task_work_run+0x11f/0x190 [ 70.459393] exit_to_usermode_loop+0x1ad/0x200 [ 70.463946] ? SyS_mount+0xd1/0x120 [ 70.467550] do_syscall_64+0x4a3/0x640 [ 70.471420] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 70.476588] RIP: 0033:0x7ff216918509 [ 70.480279] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 70.487960] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 70.495204] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 executing program [ 70.502448] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 70.509693] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 70.517024] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 70.530668] FAULT_INJECTION: forcing a failure. [ 70.530668] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 70.542464] CPU: 0 PID: 8457 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 70.550318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.559643] Call Trace: [ 70.562208] dump_stack+0x1b2/0x281 [ 70.565813] should_fail.cold+0x10a/0x149 [ 70.569939] __alloc_pages_nodemask+0x22c/0x2720 [ 70.574673] ? __lock_acquire+0x5fc/0x3f20 [ 70.578888] ? __lock_acquire+0x5fc/0x3f20 [ 70.583097] ? trace_hardirqs_on+0x10/0x10 [ 70.587306] ? __lock_acquire+0x5fc/0x3f20 [ 70.591518] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 70.596335] ? __lock_acquire+0x5fc/0x3f20 [ 70.600551] ? lock_acquire+0x170/0x3f0 [ 70.604511] ? device_del+0x3e4/0xa80 [ 70.608298] cache_grow_begin+0x91/0x700 [ 70.612336] ? fs_reclaim_release+0xd0/0x110 [ 70.616719] ? check_preemption_disabled+0x35/0x240 [ 70.621710] cache_alloc_refill+0x273/0x350 [ 70.626010] kmem_cache_alloc_trace+0x340/0x3d0 [ 70.630655] ? dev_uevent_filter+0xd0/0xd0 [ 70.634886] kobject_uevent_env+0x20c/0xf30 [ 70.639185] ? wait_for_completion_io+0x10/0x10 [ 70.643829] ? is_acpi_device_node+0x5b/0x70 [ 70.648219] device_del+0x642/0xa80 [ 70.651836] ? __device_links_no_driver+0x1b0/0x1b0 [ 70.656828] device_unregister+0x22/0xc0 [ 70.660868] bdi_unregister+0x42f/0x610 [ 70.664910] ? wb_blkcg_offline+0x180/0x180 [ 70.669205] ? generic_shutdown_super+0x276/0x370 [ 70.674023] ? lock_acquire+0x170/0x3f0 [ 70.677970] ? lock_downgrade+0x740/0x740 [ 70.682093] bdi_put+0x127/0x160 [ 70.685436] generic_shutdown_super+0x2aa/0x370 [ 70.690079] kill_anon_super+0x36/0x90 [ 70.693942] deactivate_locked_super+0x6c/0xd0 [ 70.698506] deactivate_super+0x7f/0xa0 [ 70.702460] cleanup_mnt+0x186/0x2c0 [ 70.706152] task_work_run+0x11f/0x190 [ 70.710017] exit_to_usermode_loop+0x1ad/0x200 [ 70.714573] ? SyS_mount+0xd1/0x120 [ 70.718175] do_syscall_64+0x4a3/0x640 [ 70.722040] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 70.727203] RIP: 0033:0x7ff216918509 [ 70.730891] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 70.738588] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 70.745843] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 executing program [ 70.753097] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 70.760348] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 70.767594] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 70.790327] FAULT_INJECTION: forcing a failure. [ 70.790327] name failslab, interval 1, probability 0, space 0, times 0 [ 70.801698] CPU: 0 PID: 8462 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 70.809569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.818900] Call Trace: [ 70.821465] dump_stack+0x1b2/0x281 [ 70.825079] should_fail.cold+0x10a/0x149 [ 70.829207] should_failslab+0xd6/0x130 [ 70.833161] kmem_cache_alloc_trace+0x29a/0x3d0 [ 70.837815] ? dev_uevent_filter+0xd0/0xd0 [ 70.842031] kobject_uevent_env+0x20c/0xf30 [ 70.846334] ? wait_for_completion_io+0x10/0x10 [ 70.851084] ? is_acpi_device_node+0x5b/0x70 [ 70.855470] device_del+0x642/0xa80 [ 70.859076] ? __device_links_no_driver+0x1b0/0x1b0 [ 70.864071] device_unregister+0x22/0xc0 [ 70.868113] bdi_unregister+0x42f/0x610 [ 70.872064] ? wb_blkcg_offline+0x180/0x180 [ 70.876367] ? generic_shutdown_super+0x276/0x370 [ 70.881190] ? lock_acquire+0x170/0x3f0 [ 70.885139] ? lock_downgrade+0x740/0x740 [ 70.889270] bdi_put+0x127/0x160 [ 70.892616] generic_shutdown_super+0x2aa/0x370 [ 70.897268] kill_anon_super+0x36/0x90 [ 70.901131] deactivate_locked_super+0x6c/0xd0 [ 70.905704] deactivate_super+0x7f/0xa0 [ 70.909659] cleanup_mnt+0x186/0x2c0 [ 70.913351] task_work_run+0x11f/0x190 [ 70.917224] exit_to_usermode_loop+0x1ad/0x200 [ 70.921783] ? SyS_mount+0xd1/0x120 [ 70.925397] do_syscall_64+0x4a3/0x640 [ 70.929264] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 70.934431] RIP: 0033:0x7ff216918509 [ 70.938118] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 70.945812] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 executing program [ 70.953057] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 70.960307] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 70.967553] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 70.974796] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 70.988815] FAULT_INJECTION: forcing a failure. [ 70.988815] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 71.000612] CPU: 0 PID: 8465 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 71.008467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.017794] Call Trace: [ 71.020364] dump_stack+0x1b2/0x281 [ 71.023969] should_fail.cold+0x10a/0x149 [ 71.028095] __alloc_pages_nodemask+0x22c/0x2720 [ 71.032831] ? __lock_acquire+0x5fc/0x3f20 [ 71.037042] ? __lock_acquire+0x5fc/0x3f20 [ 71.041250] ? trace_hardirqs_on+0x10/0x10 [ 71.045458] ? __lock_acquire+0x5fc/0x3f20 [ 71.049667] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 71.054487] ? __lock_acquire+0x5fc/0x3f20 [ 71.058708] ? lock_acquire+0x170/0x3f0 [ 71.062659] ? device_del+0x3e4/0xa80 [ 71.066438] cache_grow_begin+0x91/0x700 [ 71.070471] ? fs_reclaim_release+0xd0/0x110 [ 71.074865] ? check_preemption_disabled+0x35/0x240 [ 71.079856] cache_alloc_refill+0x273/0x350 [ 71.084164] kmem_cache_alloc_trace+0x340/0x3d0 [ 71.088807] ? dev_uevent_filter+0xd0/0xd0 [ 71.093019] kobject_uevent_env+0x20c/0xf30 [ 71.097320] ? wait_for_completion_io+0x10/0x10 [ 71.101963] ? is_acpi_device_node+0x5b/0x70 [ 71.106349] device_del+0x642/0xa80 [ 71.109952] ? __device_links_no_driver+0x1b0/0x1b0 [ 71.114943] device_unregister+0x22/0xc0 [ 71.118982] bdi_unregister+0x42f/0x610 [ 71.122932] ? wb_blkcg_offline+0x180/0x180 [ 71.127230] ? generic_shutdown_super+0x276/0x370 [ 71.132049] ? lock_acquire+0x170/0x3f0 [ 71.135999] ? lock_downgrade+0x740/0x740 [ 71.140123] bdi_put+0x127/0x160 [ 71.143465] generic_shutdown_super+0x2aa/0x370 [ 71.148108] kill_anon_super+0x36/0x90 [ 71.151971] deactivate_locked_super+0x6c/0xd0 [ 71.156530] deactivate_super+0x7f/0xa0 [ 71.160478] cleanup_mnt+0x186/0x2c0 [ 71.164171] task_work_run+0x11f/0x190 [ 71.168036] exit_to_usermode_loop+0x1ad/0x200 [ 71.172597] ? SyS_mount+0xd1/0x120 [ 71.176199] do_syscall_64+0x4a3/0x640 [ 71.180063] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 71.185229] RIP: 0033:0x7ff216918509 [ 71.188915] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 71.196611] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 executing program [ 71.203857] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 71.211099] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 71.218359] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 71.225602] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 71.251490] FAULT_INJECTION: forcing a failure. [ 71.251490] name failslab, interval 1, probability 0, space 0, times 0 [ 71.262986] CPU: 0 PID: 8470 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 71.270860] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.280216] Call Trace: [ 71.282792] dump_stack+0x1b2/0x281 [ 71.286410] should_fail.cold+0x10a/0x149 [ 71.290552] should_failslab+0xd6/0x130 [ 71.294505] __kmalloc+0x2c1/0x400 [ 71.298025] ? kobject_get_path+0xb5/0x230 [ 71.302253] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 71.307685] kobject_get_path+0xb5/0x230 [ 71.311725] kobject_uevent_env+0x230/0xf30 [ 71.316026] ? wait_for_completion_io+0x10/0x10 [ 71.320670] ? is_acpi_device_node+0x5b/0x70 [ 71.325054] device_del+0x642/0xa80 [ 71.328658] ? __device_links_no_driver+0x1b0/0x1b0 [ 71.333650] device_unregister+0x22/0xc0 [ 71.337685] bdi_unregister+0x42f/0x610 [ 71.341636] ? wb_blkcg_offline+0x180/0x180 [ 71.345933] ? generic_shutdown_super+0x276/0x370 [ 71.350756] ? lock_acquire+0x170/0x3f0 [ 71.354707] ? lock_downgrade+0x740/0x740 [ 71.358830] bdi_put+0x127/0x160 [ 71.362175] generic_shutdown_super+0x2aa/0x370 [ 71.366819] kill_anon_super+0x36/0x90 [ 71.370681] deactivate_locked_super+0x6c/0xd0 [ 71.375237] deactivate_super+0x7f/0xa0 [ 71.379186] cleanup_mnt+0x186/0x2c0 [ 71.382880] task_work_run+0x11f/0x190 [ 71.386747] exit_to_usermode_loop+0x1ad/0x200 [ 71.391304] ? SyS_mount+0xd1/0x120 [ 71.394906] do_syscall_64+0x4a3/0x640 [ 71.398770] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 71.403940] RIP: 0033:0x7ff216918509 [ 71.407626] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 71.415308] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 71.422554] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 71.429798] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 71.437043] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 71.444287] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 71.459238] FAULT_INJECTION: forcing a failure. [ 71.459238] name failslab, interval 1, probability 0, space 0, times 0 [ 71.473033] CPU: 0 PID: 8473 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 71.480913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.490242] Call Trace: [ 71.492809] dump_stack+0x1b2/0x281 [ 71.496415] should_fail.cold+0x10a/0x149 [ 71.500542] should_failslab+0xd6/0x130 [ 71.504496] kmem_cache_alloc_trace+0x29a/0x3d0 [ 71.509164] get_mountpoint+0xc3/0x320 [ 71.513026] lock_mount+0x106/0x450 [ 71.516629] ? lookup_mnt+0x3b0/0x3b0 [ 71.520407] ? do_mount+0x1693/0x2a30 [ 71.524193] do_add_mount+0x63/0x4f0 [ 71.527881] ? graft_tree+0x1c0/0x1c0 [ 71.531657] do_mount+0x1540/0x2a30 [ 71.535265] ? do_raw_spin_unlock+0x164/0x220 [ 71.539734] ? copy_mount_string+0x40/0x40 [ 71.543949] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 71.548939] ? copy_mnt_ns+0xa30/0xa30 [ 71.552800] ? copy_mount_options+0x1fa/0x2f0 [ 71.557285] ? copy_mnt_ns+0xa30/0xa30 [ 71.561148] SyS_mount+0xa8/0x120 [ 71.564576] ? copy_mnt_ns+0xa30/0xa30 [ 71.568438] do_syscall_64+0x1d5/0x640 [ 71.572311] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 71.577478] RIP: 0033:0x7ff216918509 [ 71.581165] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 71.588846] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff216918509 [ 71.596090] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 executing program [ 71.603332] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 71.610576] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 71.617819] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 71.631864] FAULT_INJECTION: forcing a failure. [ 71.631864] name failslab, interval 1, probability 0, space 0, times 0 [ 71.644215] CPU: 0 PID: 8477 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 71.652102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.661440] Call Trace: [ 71.664007] dump_stack+0x1b2/0x281 [ 71.667612] should_fail.cold+0x10a/0x149 [ 71.671739] should_failslab+0xd6/0x130 [ 71.675689] kmem_cache_alloc_trace+0x29a/0x3d0 [ 71.680338] get_mountpoint+0xc3/0x320 [ 71.684221] lock_mount+0x106/0x450 [ 71.687836] ? lookup_mnt+0x3b0/0x3b0 [ 71.691620] ? do_mount+0x1693/0x2a30 [ 71.695398] do_add_mount+0x63/0x4f0 [ 71.699092] ? graft_tree+0x1c0/0x1c0 [ 71.702888] do_mount+0x1540/0x2a30 [ 71.706500] ? do_raw_spin_unlock+0x164/0x220 [ 71.710979] ? copy_mount_string+0x40/0x40 [ 71.715195] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 71.720192] ? copy_mnt_ns+0xa30/0xa30 [ 71.724067] ? copy_mount_options+0x1fa/0x2f0 [ 71.728539] ? copy_mnt_ns+0xa30/0xa30 [ 71.732408] SyS_mount+0xa8/0x120 [ 71.735840] ? copy_mnt_ns+0xa30/0xa30 [ 71.739704] do_syscall_64+0x1d5/0x640 [ 71.743684] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 71.748857] RIP: 0033:0x7ff216918509 [ 71.752551] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 executing program [ 71.760323] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff216918509 [ 71.767648] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 71.774913] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 71.782163] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 71.789411] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 71.804409] FAULT_INJECTION: forcing a failure. [ 71.804409] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 71.816213] CPU: 0 PID: 8481 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 71.824068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.833396] Call Trace: [ 71.835963] dump_stack+0x1b2/0x281 [ 71.839569] should_fail.cold+0x10a/0x149 [ 71.843714] __alloc_pages_nodemask+0x22c/0x2720 [ 71.848516] ? __lock_acquire+0x5fc/0x3f20 [ 71.852735] ? __lock_acquire+0x5fc/0x3f20 [ 71.856952] ? trace_hardirqs_on+0x10/0x10 [ 71.861174] ? __lock_acquire+0x5fc/0x3f20 [ 71.865389] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 71.870210] ? __lock_acquire+0x5fc/0x3f20 [ 71.874446] ? lock_acquire+0x170/0x3f0 [ 71.878402] ? device_del+0x3e4/0xa80 [ 71.882184] cache_grow_begin+0x91/0x700 [ 71.886227] ? fs_reclaim_release+0xd0/0x110 [ 71.890617] ? check_preemption_disabled+0x35/0x240 [ 71.895627] cache_alloc_refill+0x273/0x350 [ 71.899934] kmem_cache_alloc_trace+0x340/0x3d0 [ 71.904580] ? dev_uevent_filter+0xd0/0xd0 [ 71.908790] kobject_uevent_env+0x20c/0xf30 [ 71.913092] ? wait_for_completion_io+0x10/0x10 [ 71.917739] ? is_acpi_device_node+0x5b/0x70 [ 71.922133] device_del+0x642/0xa80 [ 71.925757] ? __device_links_no_driver+0x1b0/0x1b0 [ 71.930767] device_unregister+0x22/0xc0 [ 71.934808] bdi_unregister+0x42f/0x610 [ 71.938759] ? wb_blkcg_offline+0x180/0x180 [ 71.943058] ? generic_shutdown_super+0x276/0x370 [ 71.947878] ? lock_acquire+0x170/0x3f0 [ 71.951827] ? lock_downgrade+0x740/0x740 [ 71.955953] bdi_put+0x127/0x160 [ 71.959316] generic_shutdown_super+0x2aa/0x370 [ 71.963961] kill_anon_super+0x36/0x90 [ 71.967825] deactivate_locked_super+0x6c/0xd0 [ 71.972382] deactivate_super+0x7f/0xa0 [ 71.976332] cleanup_mnt+0x186/0x2c0 [ 71.980023] task_work_run+0x11f/0x190 [ 71.983904] exit_to_usermode_loop+0x1ad/0x200 [ 71.988494] ? SyS_mount+0xd1/0x120 [ 71.992101] do_syscall_64+0x4a3/0x640 [ 71.995974] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 72.001142] RIP: 0033:0x7ff216918509 executing program [ 72.004829] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 72.012518] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 72.019766] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 72.027018] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 72.034284] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 72.041529] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 72.061949] FAULT_INJECTION: forcing a failure. [ 72.061949] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 72.073931] CPU: 1 PID: 8486 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 72.081796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.091128] Call Trace: [ 72.093693] dump_stack+0x1b2/0x281 [ 72.097300] should_fail.cold+0x10a/0x149 [ 72.101425] __alloc_pages_nodemask+0x22c/0x2720 [ 72.106158] ? fuse_ctl_add_conn+0x1e0/0x250 [ 72.110539] ? mount_nodev+0x4c/0xf0 [ 72.114226] ? mount_fs+0x92/0x2a0 [ 72.117756] ? __lock_acquire+0x5fc/0x3f20 [ 72.121982] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 72.126803] ? trace_hardirqs_on+0x10/0x10 [ 72.131018] ? fs_reclaim_release+0xd0/0x110 [ 72.135416] ? __d_alloc+0x2a/0xa20 [ 72.139028] cache_grow_begin+0x91/0x700 [ 72.143066] ? fs_reclaim_release+0xd0/0x110 [ 72.147454] ? check_preemption_disabled+0x35/0x240 [ 72.152452] cache_alloc_refill+0x273/0x350 [ 72.156757] kmem_cache_alloc+0x333/0x3c0 [ 72.160896] alloc_inode+0xa0/0x170 [ 72.164503] new_inode+0x1d/0xf0 [ 72.167855] fuse_ctl_add_dentry+0x8d/0x410 [ 72.172160] ? __lockdep_init_map+0x100/0x560 [ 72.176653] fuse_ctl_add_conn+0x1e0/0x250 [ 72.180874] ? fuse_ctl_remove_conn+0x1a0/0x1a0 [ 72.185525] ? CIFSSMBQFileInfo+0x864/0xae0 [ 72.189825] fuse_fill_super+0xe0c/0x15c0 [ 72.193955] ? fuse_get_root_inode+0xc0/0xc0 [ 72.198342] ? up_write+0x17/0x60 [ 72.201771] ? register_shrinker+0x15f/0x220 [ 72.206155] ? sget_userns+0x768/0xc10 [ 72.210022] ? get_anon_bdev+0x1c0/0x1c0 [ 72.214057] ? sget+0xd9/0x110 [ 72.217224] ? fuse_get_root_inode+0xc0/0xc0 [ 72.221606] mount_nodev+0x4c/0xf0 [ 72.225123] mount_fs+0x92/0x2a0 [ 72.228465] vfs_kern_mount.part.0+0x5b/0x470 [ 72.232935] do_mount+0xe65/0x2a30 [ 72.236449] ? do_raw_spin_unlock+0x164/0x220 [ 72.240920] ? copy_mount_string+0x40/0x40 [ 72.245132] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 72.250122] ? copy_mnt_ns+0xa30/0xa30 [ 72.253985] ? copy_mount_options+0x1fa/0x2f0 [ 72.258455] ? copy_mnt_ns+0xa30/0xa30 [ 72.262316] SyS_mount+0xa8/0x120 [ 72.265744] ? copy_mnt_ns+0xa30/0xa30 [ 72.269607] do_syscall_64+0x1d5/0x640 [ 72.273471] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 72.278636] RIP: 0033:0x7ff216918509 [ 72.282320] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 72.290000] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff216918509 [ 72.297247] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 72.304491] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d executing program [ 72.311733] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 72.318981] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 72.334427] FAULT_INJECTION: forcing a failure. [ 72.334427] name failslab, interval 1, probability 0, space 0, times 0 [ 72.345956] CPU: 1 PID: 8490 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 72.353844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.363187] Call Trace: [ 72.365755] dump_stack+0x1b2/0x281 [ 72.369362] should_fail.cold+0x10a/0x149 [ 72.373487] should_failslab+0xd6/0x130 [ 72.377438] __kmalloc+0x2c1/0x400 [ 72.380955] ? kobject_get_path+0xb5/0x230 [ 72.385164] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 72.390589] kobject_get_path+0xb5/0x230 [ 72.394627] kobject_uevent_env+0x230/0xf30 [ 72.398930] ? wait_for_completion_io+0x10/0x10 [ 72.403572] ? is_acpi_device_node+0x5b/0x70 [ 72.407957] device_del+0x642/0xa80 [ 72.411563] ? __device_links_no_driver+0x1b0/0x1b0 [ 72.416556] device_unregister+0x22/0xc0 [ 72.420613] bdi_unregister+0x42f/0x610 [ 72.424563] ? wb_blkcg_offline+0x180/0x180 [ 72.428860] ? generic_shutdown_super+0x276/0x370 [ 72.433679] ? lock_acquire+0x170/0x3f0 [ 72.437628] ? lock_downgrade+0x740/0x740 [ 72.441751] bdi_put+0x127/0x160 [ 72.445095] generic_shutdown_super+0x2aa/0x370 [ 72.449740] kill_anon_super+0x36/0x90 [ 72.453605] deactivate_locked_super+0x6c/0xd0 [ 72.458161] deactivate_super+0x7f/0xa0 [ 72.462127] cleanup_mnt+0x186/0x2c0 [ 72.465816] task_work_run+0x11f/0x190 [ 72.469679] exit_to_usermode_loop+0x1ad/0x200 [ 72.474237] ? SyS_mount+0xd1/0x120 [ 72.477838] do_syscall_64+0x4a3/0x640 [ 72.481704] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 72.486867] RIP: 0033:0x7ff216918509 [ 72.490553] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 72.498234] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 72.505477] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 executing program [ 72.512722] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 72.519967] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 72.527215] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 72.542020] FAULT_INJECTION: forcing a failure. [ 72.542020] name failslab, interval 1, probability 0, space 0, times 0 [ 72.553632] CPU: 1 PID: 8493 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 72.561503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.570833] Call Trace: [ 72.573398] dump_stack+0x1b2/0x281 [ 72.577003] should_fail.cold+0x10a/0x149 [ 72.581129] should_failslab+0xd6/0x130 [ 72.585081] kmem_cache_alloc_trace+0x29a/0x3d0 [ 72.589725] ? dev_uevent_filter+0xd0/0xd0 [ 72.593935] kobject_uevent_env+0x20c/0xf30 [ 72.598233] ? wait_for_completion_io+0x10/0x10 [ 72.602879] ? is_acpi_device_node+0x5b/0x70 [ 72.607271] device_del+0x642/0xa80 [ 72.610874] ? __device_links_no_driver+0x1b0/0x1b0 [ 72.615864] device_unregister+0x22/0xc0 [ 72.619900] bdi_unregister+0x42f/0x610 [ 72.624110] ? wb_blkcg_offline+0x180/0x180 [ 72.628407] ? generic_shutdown_super+0x276/0x370 [ 72.633225] ? lock_acquire+0x170/0x3f0 [ 72.637175] ? lock_downgrade+0x740/0x740 [ 72.641303] bdi_put+0x127/0x160 [ 72.644645] generic_shutdown_super+0x2aa/0x370 [ 72.649291] kill_anon_super+0x36/0x90 [ 72.653156] deactivate_locked_super+0x6c/0xd0 [ 72.657714] deactivate_super+0x7f/0xa0 [ 72.661682] cleanup_mnt+0x186/0x2c0 [ 72.665375] task_work_run+0x11f/0x190 [ 72.669241] exit_to_usermode_loop+0x1ad/0x200 [ 72.673801] ? SyS_mount+0xd1/0x120 [ 72.677403] do_syscall_64+0x4a3/0x640 [ 72.681271] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 72.686434] RIP: 0033:0x7ff216918509 [ 72.690123] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 72.697826] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 72.705070] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 executing program [ 72.712312] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 72.719555] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 72.726802] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 72.740528] FAULT_INJECTION: forcing a failure. [ 72.740528] name failslab, interval 1, probability 0, space 0, times 0 [ 72.751839] CPU: 1 PID: 8496 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 72.759708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.769051] Call Trace: [ 72.771621] dump_stack+0x1b2/0x281 [ 72.775224] should_fail.cold+0x10a/0x149 [ 72.779350] should_failslab+0xd6/0x130 [ 72.783301] kmem_cache_alloc_trace+0x29a/0x3d0 [ 72.787959] ? dev_uevent_filter+0xd0/0xd0 [ 72.792173] kobject_uevent_env+0x20c/0xf30 [ 72.796473] ? wait_for_completion_io+0x10/0x10 [ 72.801116] ? is_acpi_device_node+0x5b/0x70 [ 72.805497] device_del+0x642/0xa80 [ 72.809103] ? __device_links_no_driver+0x1b0/0x1b0 [ 72.814096] device_unregister+0x22/0xc0 [ 72.818137] bdi_unregister+0x42f/0x610 [ 72.822089] ? wb_blkcg_offline+0x180/0x180 [ 72.826385] ? generic_shutdown_super+0x276/0x370 [ 72.831205] ? lock_acquire+0x170/0x3f0 [ 72.835157] ? lock_downgrade+0x740/0x740 [ 72.839283] bdi_put+0x127/0x160 [ 72.842624] generic_shutdown_super+0x2aa/0x370 [ 72.847268] kill_anon_super+0x36/0x90 [ 72.851131] deactivate_locked_super+0x6c/0xd0 [ 72.855830] deactivate_super+0x7f/0xa0 [ 72.859799] cleanup_mnt+0x186/0x2c0 [ 72.863501] task_work_run+0x11f/0x190 [ 72.867372] exit_to_usermode_loop+0x1ad/0x200 [ 72.871933] ? SyS_mount+0xd1/0x120 [ 72.875536] do_syscall_64+0x4a3/0x640 [ 72.879405] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 72.884573] RIP: 0033:0x7ff216918509 [ 72.888263] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 72.895949] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 72.903194] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 executing program [ 72.910436] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 72.917691] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 72.924946] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 72.940091] FAULT_INJECTION: forcing a failure. [ 72.940091] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 72.951896] CPU: 1 PID: 8499 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 72.959760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.969128] Call Trace: [ 72.971700] dump_stack+0x1b2/0x281 [ 72.975309] should_fail.cold+0x10a/0x149 [ 72.979438] __alloc_pages_nodemask+0x22c/0x2720 [ 72.984176] ? __lock_acquire+0x5fc/0x3f20 [ 72.988403] ? __lock_acquire+0x5fc/0x3f20 [ 72.992633] ? trace_hardirqs_on+0x10/0x10 [ 72.996845] ? __lock_acquire+0x5fc/0x3f20 [ 73.001065] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 73.005981] ? __lock_acquire+0x5fc/0x3f20 [ 73.010205] ? lock_acquire+0x170/0x3f0 [ 73.014160] ? device_del+0x3e4/0xa80 [ 73.017941] cache_grow_begin+0x91/0x700 [ 73.021978] ? fs_reclaim_release+0xd0/0x110 [ 73.026362] ? check_preemption_disabled+0x35/0x240 [ 73.031354] cache_alloc_refill+0x273/0x350 [ 73.035656] kmem_cache_alloc_trace+0x340/0x3d0 [ 73.040313] ? dev_uevent_filter+0xd0/0xd0 [ 73.044522] kobject_uevent_env+0x20c/0xf30 [ 73.048822] ? wait_for_completion_io+0x10/0x10 [ 73.053481] ? is_acpi_device_node+0x5b/0x70 [ 73.057869] device_del+0x642/0xa80 [ 73.061480] ? __device_links_no_driver+0x1b0/0x1b0 [ 73.066479] device_unregister+0x22/0xc0 [ 73.070527] bdi_unregister+0x42f/0x610 [ 73.074495] ? wb_blkcg_offline+0x180/0x180 [ 73.078797] ? generic_shutdown_super+0x276/0x370 [ 73.083621] ? lock_acquire+0x170/0x3f0 [ 73.087688] ? lock_downgrade+0x740/0x740 [ 73.091835] bdi_put+0x127/0x160 [ 73.095231] generic_shutdown_super+0x2aa/0x370 [ 73.099888] kill_anon_super+0x36/0x90 [ 73.103752] deactivate_locked_super+0x6c/0xd0 [ 73.108311] deactivate_super+0x7f/0xa0 [ 73.112266] cleanup_mnt+0x186/0x2c0 [ 73.115959] task_work_run+0x11f/0x190 [ 73.119827] exit_to_usermode_loop+0x1ad/0x200 [ 73.124387] ? SyS_mount+0xd1/0x120 [ 73.128020] do_syscall_64+0x4a3/0x640 [ 73.131895] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 73.137075] RIP: 0033:0x7ff216918509 [ 73.140762] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 73.148446] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 73.155697] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 executing program [ 73.162946] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 73.170193] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 73.177448] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 73.191199] FAULT_INJECTION: forcing a failure. [ 73.191199] name failslab, interval 1, probability 0, space 0, times 0 [ 73.203345] CPU: 1 PID: 8503 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 73.211228] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.220567] Call Trace: [ 73.223136] dump_stack+0x1b2/0x281 [ 73.226743] should_fail.cold+0x10a/0x149 [ 73.230870] should_failslab+0xd6/0x130 [ 73.234825] kmem_cache_alloc_trace+0x29a/0x3d0 [ 73.239470] get_mountpoint+0xc3/0x320 [ 73.243336] lock_mount+0x106/0x450 [ 73.246959] ? lookup_mnt+0x3b0/0x3b0 [ 73.250734] ? do_mount+0x1693/0x2a30 [ 73.254516] do_add_mount+0x63/0x4f0 [ 73.258207] ? graft_tree+0x1c0/0x1c0 [ 73.261986] do_mount+0x1540/0x2a30 [ 73.265592] ? do_raw_spin_unlock+0x164/0x220 [ 73.270065] ? copy_mount_string+0x40/0x40 [ 73.274277] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 73.279271] ? copy_mnt_ns+0xa30/0xa30 [ 73.283135] ? copy_mount_options+0x1fa/0x2f0 [ 73.287604] ? copy_mnt_ns+0xa30/0xa30 [ 73.291468] SyS_mount+0xa8/0x120 [ 73.294894] ? copy_mnt_ns+0xa30/0xa30 [ 73.298756] do_syscall_64+0x1d5/0x640 [ 73.302622] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 73.307786] RIP: 0033:0x7ff216918509 executing program [ 73.311472] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 73.319154] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff216918509 [ 73.326400] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 73.333647] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 73.340892] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 73.348144] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 73.362149] FAULT_INJECTION: forcing a failure. [ 73.362149] name failslab, interval 1, probability 0, space 0, times 0 [ 73.373469] CPU: 1 PID: 8507 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 73.381346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.390779] Call Trace: [ 73.393349] dump_stack+0x1b2/0x281 [ 73.396958] should_fail.cold+0x10a/0x149 [ 73.401089] should_failslab+0xd6/0x130 [ 73.405040] kmem_cache_alloc_trace+0x29a/0x3d0 [ 73.409685] ? dev_uevent_filter+0xd0/0xd0 [ 73.413900] kobject_uevent_env+0x20c/0xf30 [ 73.418203] ? wait_for_completion_io+0x10/0x10 [ 73.422850] ? is_acpi_device_node+0x5b/0x70 [ 73.427239] device_del+0x642/0xa80 [ 73.430861] ? __device_links_no_driver+0x1b0/0x1b0 [ 73.435858] device_unregister+0x22/0xc0 [ 73.439897] bdi_unregister+0x42f/0x610 [ 73.443851] ? wb_blkcg_offline+0x180/0x180 [ 73.448156] ? generic_shutdown_super+0x276/0x370 [ 73.452985] ? lock_acquire+0x170/0x3f0 [ 73.456936] ? lock_downgrade+0x740/0x740 [ 73.461062] bdi_put+0x127/0x160 [ 73.464406] generic_shutdown_super+0x2aa/0x370 [ 73.469050] kill_anon_super+0x36/0x90 [ 73.472912] deactivate_locked_super+0x6c/0xd0 [ 73.477470] deactivate_super+0x7f/0xa0 [ 73.481420] cleanup_mnt+0x186/0x2c0 [ 73.485111] task_work_run+0x11f/0x190 [ 73.488976] exit_to_usermode_loop+0x1ad/0x200 [ 73.493531] ? SyS_mount+0xd1/0x120 [ 73.497134] do_syscall_64+0x4a3/0x640 [ 73.501014] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 73.506181] RIP: 0033:0x7ff216918509 [ 73.509867] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 executing program [ 73.517548] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 73.524794] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 73.532039] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 73.539286] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 73.546529] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 73.559902] FAULT_INJECTION: forcing a failure. [ 73.559902] name failslab, interval 1, probability 0, space 0, times 0 [ 73.571673] CPU: 1 PID: 8510 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 73.579563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.588891] Call Trace: [ 73.591454] dump_stack+0x1b2/0x281 [ 73.595059] should_fail.cold+0x10a/0x149 [ 73.599185] should_failslab+0xd6/0x130 [ 73.603140] __kmalloc+0x2c1/0x400 [ 73.606656] ? kobject_get_path+0xb5/0x230 [ 73.610865] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 73.616293] kobject_get_path+0xb5/0x230 [ 73.620342] kobject_uevent_env+0x230/0xf30 [ 73.624644] ? wait_for_completion_io+0x10/0x10 [ 73.629291] ? is_acpi_device_node+0x5b/0x70 [ 73.633677] device_del+0x642/0xa80 [ 73.637283] ? __device_links_no_driver+0x1b0/0x1b0 [ 73.642277] device_unregister+0x22/0xc0 [ 73.646314] bdi_unregister+0x42f/0x610 [ 73.650267] ? wb_blkcg_offline+0x180/0x180 [ 73.654563] ? generic_shutdown_super+0x276/0x370 [ 73.659380] ? lock_acquire+0x170/0x3f0 [ 73.663330] ? lock_downgrade+0x740/0x740 [ 73.667455] bdi_put+0x127/0x160 [ 73.670797] generic_shutdown_super+0x2aa/0x370 [ 73.675441] kill_anon_super+0x36/0x90 [ 73.679303] deactivate_locked_super+0x6c/0xd0 [ 73.683861] deactivate_super+0x7f/0xa0 [ 73.687809] cleanup_mnt+0x186/0x2c0 [ 73.691499] task_work_run+0x11f/0x190 [ 73.695363] exit_to_usermode_loop+0x1ad/0x200 [ 73.699917] ? SyS_mount+0xd1/0x120 [ 73.703519] do_syscall_64+0x4a3/0x640 [ 73.707386] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 73.712551] RIP: 0033:0x7ff216918509 executing program [ 73.716239] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 73.723921] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 73.731183] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 73.738434] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 73.745684] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 73.752929] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 73.767765] FAULT_INJECTION: forcing a failure. [ 73.767765] name failslab, interval 1, probability 0, space 0, times 0 [ 73.779057] CPU: 1 PID: 8513 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 73.786924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.796256] Call Trace: [ 73.798822] dump_stack+0x1b2/0x281 [ 73.802428] should_fail.cold+0x10a/0x149 [ 73.806553] should_failslab+0xd6/0x130 [ 73.810503] kmem_cache_alloc_trace+0x29a/0x3d0 [ 73.815255] ? dev_uevent_filter+0xd0/0xd0 [ 73.819466] kobject_uevent_env+0x20c/0xf30 [ 73.823764] ? wait_for_completion_io+0x10/0x10 [ 73.828411] ? is_acpi_device_node+0x5b/0x70 [ 73.832796] device_del+0x642/0xa80 [ 73.836405] ? __device_links_no_driver+0x1b0/0x1b0 [ 73.841397] device_unregister+0x22/0xc0 [ 73.845432] bdi_unregister+0x42f/0x610 [ 73.849383] ? wb_blkcg_offline+0x180/0x180 [ 73.853676] ? generic_shutdown_super+0x276/0x370 [ 73.858494] ? lock_acquire+0x170/0x3f0 [ 73.862441] ? lock_downgrade+0x740/0x740 [ 73.866564] bdi_put+0x127/0x160 [ 73.869906] generic_shutdown_super+0x2aa/0x370 [ 73.874553] kill_anon_super+0x36/0x90 [ 73.878507] deactivate_locked_super+0x6c/0xd0 [ 73.883066] deactivate_super+0x7f/0xa0 [ 73.887018] cleanup_mnt+0x186/0x2c0 [ 73.890710] task_work_run+0x11f/0x190 [ 73.894591] exit_to_usermode_loop+0x1ad/0x200 [ 73.899152] ? SyS_mount+0xd1/0x120 [ 73.902752] do_syscall_64+0x4a3/0x640 [ 73.906619] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 73.911782] RIP: 0033:0x7ff216918509 executing program [ 73.915511] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 73.923197] RAX: ffffffffffffffec RBX: 0000000000000003 RCX: 00007ff216918509 [ 73.930448] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 73.937693] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 73.944941] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 73.952187] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 73.965270] FAULT_INJECTION: forcing a failure. [ 73.965270] name failslab, interval 1, probability 0, space 0, times 0 [ 73.976676] CPU: 1 PID: 8516 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 73.984541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.993870] Call Trace: [ 73.996434] dump_stack+0x1b2/0x281 [ 74.000040] should_fail.cold+0x10a/0x149 [ 74.004167] should_failslab+0xd6/0x130 [ 74.008124] __kmalloc_track_caller+0x2bc/0x400 [ 74.012767] ? do_mount+0x1e41/0x2a30 [ 74.016546] kstrdup+0x36/0x70 [ 74.019713] do_mount+0x1e41/0x2a30 [ 74.023315] ? do_raw_spin_unlock+0x164/0x220 [ 74.027785] ? copy_mount_string+0x40/0x40 [ 74.031997] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 74.036990] ? copy_mnt_ns+0xa30/0xa30 [ 74.040858] ? copy_mount_options+0x1fa/0x2f0 [ 74.045327] ? copy_mnt_ns+0xa30/0xa30 [ 74.049190] SyS_mount+0xa8/0x120 [ 74.052620] ? copy_mnt_ns+0xa30/0xa30 [ 74.056485] do_syscall_64+0x1d5/0x640 [ 74.060353] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 74.065518] RIP: 0033:0x7ff216918509 [ 74.069204] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 74.076887] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff216918509 [ 74.084149] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 74.091393] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 74.098639] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 74.105886] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 74.114174] BUG: unable to handle kernel paging request at fffffffffffffffc [ 74.121280] IP: do_mount+0x1ef2/0x2a30 [ 74.125141] PGD 8e6b067 P4D 8e6b067 PUD 8e6d067 PMD 0 [ 74.130399] Oops: 0000 [#1] PREEMPT SMP KASAN [ 74.134866] Modules linked in: [ 74.138041] CPU: 1 PID: 8516 Comm: syz-executor109 Not tainted 4.14.279-syzkaller #0 [ 74.145899] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.155227] task: ffff88809aed0040 task.stack: ffff8880995e8000 [ 74.161264] RIP: 0010:do_mount+0x1ef2/0x2a30 [ 74.165645] RSP: 0018:ffff8880995efd90 EFLAGS: 00010246 [ 74.170982] RAX: dffffc0000000000 RBX: 00000000fffffff4 RCX: 0000000000000000 [ 74.178226] RDX: 1fffffffffffffff RSI: ffffffff87ccff80 RDI: fffffffffffffffc [ 74.185471] RBP: fffffffffffffff4 R08: ffffffff8ba460bc R09: 0000000000000001 [ 74.192719] R10: 0000000000000000 R11: ffff88809aed0040 R12: ffff8880a8dd4028 [ 74.199968] R13: ffffffff891e9ee0 R14: 0000000000000000 R15: 0000000000000020 [ 74.207212] FS: 000055555656d300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 [ 74.215412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.221272] CR2: fffffffffffffffc CR3: 00000000a5773000 CR4: 00000000003406e0 [ 74.228529] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.235778] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.243023] Call Trace: [ 74.245590] ? do_raw_spin_unlock+0x164/0x220 [ 74.250062] ? copy_mount_string+0x40/0x40 [ 74.254272] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 74.259263] ? copy_mnt_ns+0xa30/0xa30 [ 74.263124] ? copy_mount_options+0x1fa/0x2f0 [ 74.267592] ? copy_mnt_ns+0xa30/0xa30 [ 74.271454] SyS_mount+0xa8/0x120 [ 74.274881] ? copy_mnt_ns+0xa30/0xa30 [ 74.278741] do_syscall_64+0x1d5/0x640 [ 74.282603] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 74.287764] RIP: 0033:0x7ff216918509 [ 74.291451] RSP: 002b:00007ffc9b2b74c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 74.299130] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff216918509 [ 74.306372] RDX: 0000000020002000 RSI: 00000000200042c0 RDI: 0000000000000000 [ 74.313619] RBP: 00007ffc9b2b74e0 R08: 0000000020002240 R09: 000000000000000d [ 74.320862] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 74.328108] R13: 00007ffc9b2b7500 R14: 00007ffc9b2b74f0 R15: 00007ffc9b2b74d4 [ 74.335356] Code: c6 ff 48 89 ef 48 63 eb e8 7c 61 ff ff 48 8d 7d 08 b8 ff ff 37 00 48 89 fa 48 c1 e0 2a 48 c1 ea 03 80 3c 02 00 0f 85 4b 08 00 00 <48> 8b 5d 08 e8 b5 ba c6 ff 48 8d 7b 70 e8 dc 52 b2 ff 4c 89 ef [ 74.354429] RIP: do_mount+0x1ef2/0x2a30 RSP: ffff8880995efd90 [ 74.360285] CR2: fffffffffffffffc [ 74.363714] ---[ end trace 2d2dc2b7be67814e ]--- [ 74.368443] Kernel panic - not syncing: Fatal exception [ 74.373949] Kernel Offset: disabled [ 74.377556] Rebooting in 86400 seconds..