[ 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 '10.128.10.7' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 33.938017] IPVS: ftp: loaded support on port[0] = 21 [ 33.990137] FAULT_INJECTION: forcing a failure. [ 33.990137] name failslab, interval 1, probability 0, space 0, times 1 [ 34.002684] CPU: 0 PID: 8123 Comm: syz-executor767 Not tainted 4.19.207-syzkaller #0 [ 34.010570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.019914] Call Trace: [ 34.022507] dump_stack+0x1fc/0x2ef [ 34.026132] should_fail.cold+0xa/0xf [ 34.029918] ? setup_fault_attr+0x200/0x200 [ 34.034227] ? mark_held_locks+0xf0/0xf0 [ 34.038270] __should_failslab+0x115/0x180 [ 34.042488] should_failslab+0x5/0x10 [ 34.046272] kmem_cache_alloc+0x3f/0x370 [ 34.050313] ? mempool_alloc+0x350/0x350 [ 34.054353] mempool_alloc+0x146/0x350 [ 34.058223] ? mempool_resize+0x790/0x790 [ 34.062353] ? mark_held_locks+0xf0/0xf0 [ 34.066393] ? finish_task_switch+0x118/0x760 [ 34.070870] ? _raw_spin_unlock_irq+0x24/0x80 [ 34.075350] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 34.079911] bio_alloc_bioset+0x389/0x5e0 [ 34.084048] ? bvec_alloc+0x2f0/0x2f0 [ 34.087830] ? __lock_acquire+0x6de/0x3ff0 [ 34.092046] mpage_alloc+0x2f/0x260 [ 34.095653] __mpage_writepage+0x102a/0x1570 [ 34.100043] ? page_mapped+0x17e/0x3c0 [ 34.103929] ? clean_buffers+0x290/0x290 [ 34.107978] ? clear_page_dirty_for_io+0xa1b/0xee0 [ 34.112902] ? lock_downgrade+0x720/0x720 [ 34.117037] ? check_preemption_disabled+0x41/0x280 [ 34.122039] write_cache_pages+0x802/0x12d0 [ 34.126341] ? clean_buffers+0x290/0x290 [ 34.130384] ? clear_page_dirty_for_io+0xee0/0xee0 [ 34.135293] ? __lock_acquire+0x6de/0x3ff0 [ 34.139513] ? __lock_acquire+0x22f9/0x3ff0 [ 34.143816] ? fat_add_cluster+0xf0/0xf0 [ 34.147854] ? fat_readpages+0x30/0x30 [ 34.151719] mpage_writepages+0xd1/0x230 [ 34.155758] ? __mpage_writepage+0x1570/0x1570 [ 34.160321] ? fat_add_cluster+0xf0/0xf0 [ 34.164363] ? mark_held_locks+0xf0/0xf0 [ 34.168408] ? mark_held_locks+0xf0/0xf0 [ 34.172459] do_writepages+0xe5/0x290 [ 34.176240] ? page_writeback_cpu_online+0x10/0x10 [ 34.181162] ? do_raw_spin_unlock+0x171/0x230 [ 34.185646] ? _raw_spin_unlock+0x29/0x40 [ 34.189779] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 34.195039] __filemap_fdatawrite_range+0x27d/0x350 [ 34.200033] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 34.205391] ? file_remove_privs+0x183/0x530 [ 34.209780] filemap_write_and_wait_range+0x46/0xd0 [ 34.214779] generic_file_direct_write+0x389/0x4a0 [ 34.219690] __generic_file_write_iter+0x2d0/0x610 [ 34.224602] generic_file_write_iter+0x3f8/0x730 [ 34.229353] aio_write+0x37f/0x5c0 [ 34.232911] ? aio_setup_rw.isra.0+0x110/0x110 [ 34.237610] ? lock_downgrade+0x720/0x720 [ 34.241768] ? lock_downgrade+0x720/0x720 [ 34.245926] ? lock_acquire+0x170/0x3c0 [ 34.249908] ? __might_fault+0xef/0x1d0 [ 34.253897] io_submit_one+0xecd/0x20c0 [ 34.257887] ? lock_downgrade+0x720/0x720 [ 34.262045] ? aio_read+0x420/0x420 [ 34.265676] ? __might_fault+0x11f/0x1d0 [ 34.269763] __se_sys_io_submit+0x11b/0x4a0 [ 34.274089] ? io_submit_one+0x20c0/0x20c0 [ 34.278322] ? ksys_write+0x1c8/0x2a0 [ 34.282107] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 34.287457] ? trace_hardirqs_off_caller+0x6e/0x210 [ 34.292462] ? do_syscall_64+0x21/0x620 [ 34.296417] do_syscall_64+0xf9/0x620 [ 34.300287] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 34.305457] RIP: 0033:0x7f72b0d72f69 [ 34.309162] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 34.328041] RSP: 002b:00007f72b0d1f2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 34.335820] RAX: ffffffffffffffda RBX: 00007f72b0df84c0 RCX: 00007f72b0d72f69 [ 34.343066] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f72b0cf6000 [ 34.350312] RBP: 00007f72b0dc5194 R08: 0000000000000001 R09: 0000000000000033 [ 34.357557] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f72b0df84cc [ 34.364808] R13: 00007f72b0d1f2f0 R14: 00007f72b0df84c8 R15: 0000000000000001 executing program [ 34.515277] FAULT_INJECTION: forcing a failure. [ 34.515277] name failslab, interval 1, probability 0, space 0, times 0 [ 34.529838] CPU: 0 PID: 8133 Comm: syz-executor767 Not tainted 4.19.207-syzkaller #0 [ 34.537725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.547264] Call Trace: [ 34.549845] dump_stack+0x1fc/0x2ef [ 34.553542] should_fail.cold+0xa/0xf [ 34.557327] ? setup_fault_attr+0x200/0x200 [ 34.561631] ? __lock_acquire+0x6de/0x3ff0 [ 34.565859] __should_failslab+0x115/0x180 [ 34.570081] should_failslab+0x5/0x10 [ 34.573865] kmem_cache_alloc+0x3f/0x370 [ 34.577910] ? mempool_alloc+0x350/0x350 [ 34.581951] mempool_alloc+0x146/0x350 [ 34.585821] ? mempool_resize+0x790/0x790 [ 34.590040] ? __lock_acquire+0x6de/0x3ff0 [ 34.594344] ? __lock_acquire+0x6de/0x3ff0 [ 34.598561] bio_alloc_bioset+0x389/0x5e0 [ 34.602698] ? mark_held_locks+0xf0/0xf0 [ 34.606741] ? mark_held_locks+0xf0/0xf0 [ 34.610780] ? bvec_alloc+0x2f0/0x2f0 [ 34.614561] ? __lock_acquire+0x6de/0x3ff0 [ 34.618779] mpage_alloc+0x2f/0x260 [ 34.622388] __mpage_writepage+0x102a/0x1570 [ 34.626784] ? page_mapped+0x17e/0x3c0 [ 34.630650] ? clean_buffers+0x290/0x290 [ 34.634693] ? clear_page_dirty_for_io+0xa1b/0xee0 [ 34.639606] ? lock_downgrade+0x720/0x720 [ 34.643737] ? check_preemption_disabled+0x41/0x280 [ 34.648754] write_cache_pages+0x802/0x12d0 [ 34.653060] ? clean_buffers+0x290/0x290 [ 34.657110] ? clear_page_dirty_for_io+0xee0/0xee0 [ 34.662021] ? __lock_acquire+0x6de/0x3ff0 [ 34.666242] ? __lock_acquire+0x6de/0x3ff0 [ 34.670458] ? fat_add_cluster+0xf0/0xf0 [ 34.674504] ? fat_readpages+0x30/0x30 [ 34.678547] mpage_writepages+0xd1/0x230 [ 34.682591] ? __mpage_writepage+0x1570/0x1570 [ 34.687165] ? __lock_acquire+0x6de/0x3ff0 [ 34.691382] ? fat_add_cluster+0xf0/0xf0 [ 34.695424] ? mark_held_locks+0xf0/0xf0 [ 34.699468] ? mark_held_locks+0xf0/0xf0 [ 34.703509] ? trace_hardirqs_off+0x64/0x200 [ 34.707907] do_writepages+0xe5/0x290 [ 34.711689] ? page_writeback_cpu_online+0x10/0x10 [ 34.716598] ? do_raw_spin_unlock+0x171/0x230 [ 34.721073] ? _raw_spin_unlock+0x29/0x40 [ 34.725201] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 34.730547] __filemap_fdatawrite_range+0x27d/0x350 [ 34.735547] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 34.740896] ? file_remove_privs+0x183/0x530 [ 34.745289] filemap_write_and_wait_range+0x46/0xd0 [ 34.750285] generic_file_direct_write+0x389/0x4a0 [ 34.755198] __generic_file_write_iter+0x2d0/0x610 [ 34.760119] generic_file_write_iter+0x3f8/0x730 [ 34.764858] aio_write+0x37f/0x5c0 [ 34.768382] ? aio_setup_rw.isra.0+0x110/0x110 [ 34.772945] ? lock_downgrade+0x720/0x720 [ 34.777079] ? lock_downgrade+0x720/0x720 [ 34.781293] ? lock_acquire+0x170/0x3c0 [ 34.785245] ? __might_fault+0xef/0x1d0 [ 34.789209] io_submit_one+0xecd/0x20c0 [ 34.793169] ? lock_downgrade+0x720/0x720 [ 34.797303] ? aio_read+0x420/0x420 [ 34.800913] ? __might_fault+0x11f/0x1d0 [ 34.804976] __se_sys_io_submit+0x11b/0x4a0 [ 34.809285] ? io_submit_one+0x20c0/0x20c0 [ 34.813508] ? ksys_write+0x1c8/0x2a0 [ 34.817291] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 34.822636] ? trace_hardirqs_off_caller+0x6e/0x210 [ 34.827652] ? do_syscall_64+0x21/0x620 [ 34.831681] do_syscall_64+0xf9/0x620 [ 34.835473] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 34.840645] RIP: 0033:0x7f72b0d72f69 [ 34.844355] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 34.863244] RSP: 002b:00007f72b0d1f2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 34.870935] RAX: ffffffffffffffda RBX: 00007f72b0df84c0 RCX: 00007f72b0d72f69 [ 34.878185] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f72b0cf6000 [ 34.885438] RBP: 00007f72b0dc5194 R08: 0000000000000001 R09: 0000000000000033 [ 34.892691] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f72b0df84cc [ 34.899942] R13: 00007f72b0d1f2f0 R14: 00007f72b0df84c8 R15: 0000000000000001 [ 34.910682] [ 34.912311] ====================================================== [ 34.918621] WARNING: possible circular locking dependency detected [ 34.924934] 4.19.207-syzkaller #0 Not tainted [ 34.929416] ------------------------------------------------------ [ 34.935719] syz-executor767/8133 is trying to acquire lock: [ 34.941406] 00000000a37d7431 ((wq_completion)"dio/%s"sb->s_id){+.+.}, at: flush_workqueue+0xe8/0x13e0 [ 34.950752] [ 34.950752] but task is already holding lock: [ 34.956700] 00000000760631e5 (&sb->s_type->i_mutex_key#18){+.+.}, at: generic_file_write_iter+0x99/0x730 [ 34.966304] [ 34.966304] which lock already depends on the new lock. [ 34.966304] [ 34.974615] [ 34.974615] the existing dependency chain (in reverse order) is: [ 34.982214] [ 34.982214] -> #2 (&sb->s_type->i_mutex_key#18){+.+.}: [ 34.988969] __generic_file_fsync+0xb0/0x1f0 [ 34.993874] fat_file_fsync+0x73/0x200 [ 34.998263] vfs_fsync_range+0x13a/0x220 [ 35.002824] dio_complete+0x763/0xac0 [ 35.007127] process_one_work+0x864/0x1570 [ 35.011867] worker_thread+0x64c/0x1130 [ 35.016338] kthread+0x33f/0x460 [ 35.020207] ret_from_fork+0x24/0x30 [ 35.024415] [ 35.024415] -> #1 ((work_completion)(&dio->complete_work)){+.+.}: [ 35.032109] worker_thread+0x64c/0x1130 [ 35.036584] kthread+0x33f/0x460 [ 35.040450] ret_from_fork+0x24/0x30 [ 35.044657] [ 35.044657] -> #0 ((wq_completion)"dio/%s"sb->s_id){+.+.}: [ 35.051741] flush_workqueue+0x117/0x13e0 [ 35.056385] drain_workqueue+0x1a5/0x460 [ 35.060946] destroy_workqueue+0x75/0x790 [ 35.065598] __alloc_workqueue_key+0xb76/0xed0 [ 35.070693] sb_init_dio_done_wq+0x34/0x90 [ 35.075427] __blockdev_direct_IO+0x5f55/0xef40 [ 35.080595] fat_direct_IO+0x1d1/0x370 [ 35.084981] generic_file_direct_write+0x208/0x4a0 [ 35.090409] __generic_file_write_iter+0x2d0/0x610 [ 35.095836] generic_file_write_iter+0x3f8/0x730 [ 35.101090] aio_write+0x37f/0x5c0 [ 35.105129] io_submit_one+0xecd/0x20c0 [ 35.109620] __se_sys_io_submit+0x11b/0x4a0 [ 35.114440] do_syscall_64+0xf9/0x620 [ 35.118740] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.124424] [ 35.124424] other info that might help us debug this: [ 35.124424] [ 35.132542] Chain exists of: [ 35.132542] (wq_completion)"dio/%s"sb->s_id --> (work_completion)(&dio->complete_work) --> &sb->s_type->i_mutex_key#18 [ 35.132542] [ 35.147875] Possible unsafe locking scenario: [ 35.147875] [ 35.153908] CPU0 CPU1 [ 35.158561] ---- ---- [ 35.163201] lock(&sb->s_type->i_mutex_key#18); [ 35.167936] lock((work_completion)(&dio->complete_work)); [ 35.176141] lock(&sb->s_type->i_mutex_key#18); [ 35.183391] lock((wq_completion)"dio/%s"sb->s_id); [ 35.188470] [ 35.188470] *** DEADLOCK *** [ 35.188470] [ 35.194513] 1 lock held by syz-executor767/8133: [ 35.199247] #0: 00000000760631e5 (&sb->s_type->i_mutex_key#18){+.+.}, at: generic_file_write_iter+0x99/0x730 [ 35.209294] [ 35.209294] stack backtrace: [ 35.213779] CPU: 0 PID: 8133 Comm: syz-executor767 Not tainted 4.19.207-syzkaller #0 [ 35.221635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.230964] Call Trace: [ 35.233542] dump_stack+0x1fc/0x2ef [ 35.237152] print_circular_bug.constprop.0.cold+0x2d7/0x41e [ 35.242931] __lock_acquire+0x30c9/0x3ff0 [ 35.247062] ? check_preemption_disabled+0x41/0x280 [ 35.252059] ? mark_held_locks+0xf0/0xf0 [ 35.256100] ? mark_held_locks+0xf0/0xf0 [ 35.260142] ? lock_downgrade+0x720/0x720 [ 35.264269] ? lock_acquire+0x170/0x3c0 [ 35.268224] ? depot_save_stack+0x1e0/0x410 [ 35.272535] ? check_preemption_disabled+0x41/0x280 [ 35.277537] lock_acquire+0x170/0x3c0 [ 35.281318] ? flush_workqueue+0xe8/0x13e0 [ 35.285542] flush_workqueue+0x117/0x13e0 [ 35.289669] ? flush_workqueue+0xe8/0x13e0 [ 35.293883] ? lock_downgrade+0x720/0x720 [ 35.298008] ? drain_workqueue+0x24/0x460 [ 35.302134] ? check_flush_dependency+0x400/0x400 [ 35.306961] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 35.312043] drain_workqueue+0x1a5/0x460 [ 35.316085] ? init_rescuer+0x2d0/0x370 [ 35.320040] destroy_workqueue+0x75/0x790 [ 35.324171] __alloc_workqueue_key+0xb76/0xed0 [ 35.328734] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 35.333730] ? check_preemption_disabled+0x41/0x280 [ 35.338724] ? __blockdev_direct_IO+0x36a/0xef40 [ 35.343458] sb_init_dio_done_wq+0x34/0x90 [ 35.347672] __blockdev_direct_IO+0x5f55/0xef40 [ 35.352325] ? fat_add_cluster+0xf0/0xf0 [ 35.356366] ? release_pages+0xb0d/0x15a0 [ 35.360494] ? __put_compound_page+0xc0/0xc0 [ 35.364883] ? sb_init_dio_done_wq+0x90/0x90 [ 35.369272] ? clear_shadow_entry+0x170/0x170 [ 35.373752] fat_direct_IO+0x1d1/0x370 [ 35.377622] generic_file_direct_write+0x208/0x4a0 [ 35.382530] __generic_file_write_iter+0x2d0/0x610 [ 35.387438] generic_file_write_iter+0x3f8/0x730 [ 35.392173] aio_write+0x37f/0x5c0 [ 35.395698] ? aio_setup_rw.isra.0+0x110/0x110 [ 35.400266] ? lock_downgrade+0x720/0x720 [ 35.404401] ? lock_downgrade+0x720/0x720 [ 35.408528] ? lock_acquire+0x170/0x3c0 [ 35.412485] ? __might_fault+0xef/0x1d0 [ 35.416442] io_submit_one+0xecd/0x20c0 [ 35.420397] ? lock_downgrade+0x720/0x720 [ 35.424525] ? aio_read+0x420/0x420 [ 35.428134] ? __might_fault+0x11f/0x1d0 [ 35.432175] __se_sys_io_submit+0x11b/0x4a0 [ 35.436479] ? io_submit_one+0x20c0/0x20c0 [ 35.440695] ? ksys_write+0x1c8/0x2a0 [ 35.444477] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 35.449841] ? trace_hardirqs_off_caller+0x6e/0x210 [ 35.454839] ? do_syscall_64+0x21/0x620 [ 35.458791] do_syscall_64+0xf9/0x620 [ 35.462574] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.467740] RIP: 0033:0x7f72b0d72f69 [ 35.471434] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 35.490318] RSP: 002b:00007f72b0d1f2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 35.498004] RAX: ffffffffffffffda RBX: 00007f72b0df84c0 RCX: 00007f72b0d72f69 [ 35.505258] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f72b0cf6000 [ 35.512512] RBP: 00007f72b0dc5194 R08: 0000000000000001 R09: 0000000000000033 [ 35.519760] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f72b0df84cc [ 35.527010] R13: 00007f72b0d1f2f0 R14: 00007f72b0df84c8 R15: 0000000000000001 executing program [ 35.666345] FAULT_INJECTION: forcing a failure. [ 35.666345] name failslab, interval 1, probability 0, space 0, times 0 [ 35.677652] CPU: 0 PID: 8140 Comm: syz-executor767 Not tainted 4.19.207-syzkaller #0 [ 35.685529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.694865] Call Trace: [ 35.697439] dump_stack+0x1fc/0x2ef [ 35.701051] should_fail.cold+0xa/0xf [ 35.704832] ? setup_fault_attr+0x200/0x200 [ 35.709137] ? should_fail+0x142/0x7b0 [ 35.713005] ? lock_acquire+0x170/0x3c0 [ 35.716960] ? setup_fault_attr+0x200/0x200 [ 35.721265] __should_failslab+0x115/0x180 [ 35.725485] should_failslab+0x5/0x10 [ 35.729267] kmem_cache_alloc+0x3f/0x370 [ 35.733331] ? mempool_alloc+0x350/0x350 [ 35.737388] mempool_alloc+0x146/0x350 [ 35.741258] ? mempool_resize+0x790/0x790 [ 35.745387] ? mempool_resize+0x790/0x790 [ 35.749516] ? deref_stack_reg+0x1d0/0x1d0 [ 35.753731] bvec_alloc+0xdb/0x2f0 [ 35.757252] bio_alloc_bioset+0x42b/0x5e0 [ 35.761380] ? bvec_alloc+0x2f0/0x2f0 [ 35.765159] ? unwind_next_frame+0xeee/0x1400 [ 35.769634] mpage_alloc+0x2f/0x260 [ 35.773242] __mpage_writepage+0x102a/0x1570 [ 35.777631] ? page_mapped+0x17e/0x3c0 [ 35.781498] ? clean_buffers+0x290/0x290 [ 35.785538] ? page_mkclean+0x1a5/0x2b0 [ 35.789495] ? lock_downgrade+0x720/0x720 [ 35.793625] ? clear_page_dirty_for_io+0x2c8/0xee0 [ 35.798553] write_cache_pages+0x802/0x12d0 [ 35.802854] ? clean_buffers+0x290/0x290 [ 35.806898] ? clear_page_dirty_for_io+0xee0/0xee0 [ 35.811819] ? fat_add_cluster+0xf0/0xf0 [ 35.815857] ? fat_readpages+0x30/0x30 [ 35.819721] mpage_writepages+0xd1/0x230 [ 35.823759] ? __mpage_writepage+0x1570/0x1570 [ 35.828324] ? fat_add_cluster+0xf0/0xf0 [ 35.832365] ? mark_held_locks+0xf0/0xf0 [ 35.836407] ? mark_held_locks+0xf0/0xf0 [ 35.840460] ? mark_held_locks+0xf0/0xf0 [ 35.844511] do_writepages+0xe5/0x290 [ 35.848298] ? page_writeback_cpu_online+0x10/0x10 [ 35.853218] ? do_raw_spin_unlock+0x171/0x230 [ 35.857746] ? _raw_spin_unlock+0x29/0x40 [ 35.861881] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 35.867144] __filemap_fdatawrite_range+0x27d/0x350 [ 35.872165] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 35.877536] ? file_remove_privs+0x183/0x530 [ 35.881930] filemap_write_and_wait_range+0x46/0xd0 [ 35.886930] generic_file_direct_write+0x389/0x4a0 [ 35.891840] __generic_file_write_iter+0x2d0/0x610 [ 35.896750] generic_file_write_iter+0x3f8/0x730 [ 35.901488] aio_write+0x37f/0x5c0 [ 35.905013] ? mark_held_locks+0xf0/0xf0 [ 35.909057] ? aio_setup_rw.isra.0+0x110/0x110 [ 35.913618] ? lock_downgrade+0x720/0x720 [ 35.917750] ? should_fail+0x142/0x7b0 [ 35.921636] ? lock_downgrade+0x720/0x720 [ 35.925764] ? lock_acquire+0x170/0x3c0 [ 35.929725] ? __might_fault+0xef/0x1d0 [ 35.933682] io_submit_one+0xecd/0x20c0 [ 35.937641] ? lock_downgrade+0x720/0x720 [ 35.941770] ? aio_read+0x420/0x420 [ 35.945383] ? check_preemption_disabled+0x41/0x280 [ 35.950382] __se_sys_io_submit+0x11b/0x4a0 [ 35.954684] ? io_submit_one+0x20c0/0x20c0 [ 35.958914] ? ksys_write+0x1c8/0x2a0 [ 35.962698] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 35.968040] ? trace_hardirqs_off_caller+0x6e/0x210 [ 35.973036] do_syscall_64+0xf9/0x620 [ 35.976817] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.981989] RIP: 0033:0x7f72b0d72f69 [ 35.985683] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 36.004565] RSP: 002b:00007f72b0d1f2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 36.012252] RAX: ffffffffffffffda RBX: 00007f72b0df84c0 RCX: 00007f72b0d72f69 [ 36.019503] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f72b0cf6000 [ 36.026754] RBP: 00007f72b0dc5194 R08: 0000000000000001 R09: 0000000000000033 [ 36.034008] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f72b0df84cc [ 36.041259] R13: 00007f72b0d1f2f0 R14: 00007f72b0df84c8 R15: 0000000000000001 executing program [ 36.169570] FAULT_INJECTION: forcing a failure. [ 36.169570] name failslab, interval 1, probability 0, space 0, times 0 [ 36.180884] CPU: 0 PID: 8147 Comm: syz-executor767 Not tainted 4.19.207-syzkaller #0 [ 36.188765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.198111] Call Trace: [ 36.200692] dump_stack+0x1fc/0x2ef [ 36.204308] should_fail.cold+0xa/0xf [ 36.208103] ? setup_fault_attr+0x200/0x200 [ 36.212411] ? should_fail+0x142/0x7b0 [ 36.216282] ? lock_acquire+0x170/0x3c0 [ 36.220239] ? setup_fault_attr+0x200/0x200 [ 36.224542] __should_failslab+0x115/0x180 [ 36.228783] should_failslab+0x5/0x10 [ 36.232563] kmem_cache_alloc+0x3f/0x370 [ 36.236606] ? mempool_alloc+0x350/0x350 [ 36.240646] mempool_alloc+0x146/0x350 [ 36.244514] ? mempool_resize+0x790/0x790 [ 36.248641] ? mempool_resize+0x790/0x790 [ 36.252770] ? deref_stack_reg+0x1d0/0x1d0 [ 36.256985] bvec_alloc+0xdb/0x2f0 [ 36.260508] bio_alloc_bioset+0x42b/0x5e0 [ 36.264636] ? bvec_alloc+0x2f0/0x2f0 [ 36.268418] ? unwind_next_frame+0xeee/0x1400 [ 36.272911] mpage_alloc+0x2f/0x260 [ 36.276520] __mpage_writepage+0x102a/0x1570 [ 36.280909] ? page_mapped+0x17e/0x3c0 [ 36.284777] ? clean_buffers+0x290/0x290 [ 36.288817] ? page_mkclean+0x1a5/0x2b0 [ 36.292775] ? lock_downgrade+0x720/0x720 [ 36.296904] ? clear_page_dirty_for_io+0x2c8/0xee0 [ 36.301815] write_cache_pages+0x802/0x12d0 [ 36.306118] ? clean_buffers+0x290/0x290 [ 36.310159] ? clear_page_dirty_for_io+0xee0/0xee0 [ 36.315072] ? fat_add_cluster+0xf0/0xf0 [ 36.319117] ? fat_readpages+0x30/0x30 [ 36.322983] mpage_writepages+0xd1/0x230 [ 36.327022] ? __mpage_writepage+0x1570/0x1570 [ 36.331588] ? fat_add_cluster+0xf0/0xf0 [ 36.335628] ? mark_held_locks+0xf0/0xf0 [ 36.339684] ? mark_held_locks+0xf0/0xf0 [ 36.343742] ? mark_held_locks+0xf0/0xf0 [ 36.347798] do_writepages+0xe5/0x290 [ 36.351581] ? page_writeback_cpu_online+0x10/0x10 [ 36.356491] ? do_raw_spin_unlock+0x171/0x230 [ 36.360967] ? _raw_spin_unlock+0x29/0x40 [ 36.365095] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 36.370351] __filemap_fdatawrite_range+0x27d/0x350 [ 36.375345] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 36.380691] ? file_remove_privs+0x183/0x530 [ 36.385082] filemap_write_and_wait_range+0x46/0xd0 [ 36.390079] generic_file_direct_write+0x389/0x4a0 [ 36.394990] __generic_file_write_iter+0x2d0/0x610 [ 36.399897] generic_file_write_iter+0x3f8/0x730 [ 36.404639] aio_write+0x37f/0x5c0 [ 36.408161] ? mark_held_locks+0xf0/0xf0 [ 36.412198] ? aio_setup_rw.isra.0+0x110/0x110 [ 36.416767] ? lock_downgrade+0x720/0x720 [ 36.420895] ? should_fail+0x142/0x7b0 [ 36.424776] ? lock_downgrade+0x720/0x720 [ 36.428906] ? lock_acquire+0x170/0x3c0 [ 36.432862] ? __might_fault+0xef/0x1d0 [ 36.436826] io_submit_one+0xecd/0x20c0 [ 36.440781] ? lock_downgrade+0x720/0x720 [ 36.444905] ? aio_read+0x420/0x420 [ 36.448528] ? check_preemption_disabled+0x41/0x280 [ 36.453536] __se_sys_io_submit+0x11b/0x4a0 [ 36.457838] ? io_submit_one+0x20c0/0x20c0 [ 36.462051] ? ksys_write+0x1c8/0x2a0 [ 36.465842] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 36.471185] ? trace_hardirqs_off_caller+0x6e/0x210 [ 36.476193] do_syscall_64+0xf9/0x620 [ 36.479977] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.485147] RIP: 0033:0x7f72b0d72f69 [ 36.488842] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 36.507720] RSP: 002b:00007f72b0d1f2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 36.515403] RAX: ffffffffffffffda RBX: 00007f72b0df84c0 RCX: 00007f72b0d72f69 [ 36.522670] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f72b0cf6000 [ 36.529921] RBP: 00007f72b0dc5194 R08: 0000000000000001 R09: 0000000000000033 [ 36.537168] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f72b0df84cc [ 36.544415] R13: 00007f72b0d1f2f0 R14: 00007f72b0df84c8 R15: 0000000000000001 executing program [ 36.678404] FAULT_INJECTION: forcing a failure. [ 36.678404] name failslab, interval 1, probability 0, space 0, times 0 [ 36.689695] CPU: 1 PID: 8155 Comm: syz-executor767 Not tainted 4.19.207-syzkaller #0 [ 36.697575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.706927] Call Trace: [ 36.709520] dump_stack+0x1fc/0x2ef [ 36.713154] should_fail.cold+0xa/0xf [ 36.716954] ? setup_fault_attr+0x200/0x200 [ 36.721315] ? should_fail+0x142/0x7b0 [ 36.725230] ? lock_acquire+0x170/0x3c0 [ 36.729184] ? setup_fault_attr+0x200/0x200 [ 36.733485] __should_failslab+0x115/0x180 [ 36.737742] should_failslab+0x5/0x10 [ 36.741525] kmem_cache_alloc+0x3f/0x370 [ 36.745568] ? mempool_alloc+0x350/0x350 [ 36.749608] mempool_alloc+0x146/0x350 [ 36.753486] ? mempool_resize+0x790/0x790 [ 36.757615] ? mempool_resize+0x790/0x790 [ 36.761746] ? deref_stack_reg+0x1d0/0x1d0 [ 36.765964] bvec_alloc+0xdb/0x2f0 [ 36.769489] bio_alloc_bioset+0x42b/0x5e0 [ 36.773615] ? bvec_alloc+0x2f0/0x2f0 [ 36.777398] ? unwind_next_frame+0xeee/0x1400 [ 36.781871] mpage_alloc+0x2f/0x260 [ 36.785477] __mpage_writepage+0x102a/0x1570 [ 36.789869] ? page_mapped+0x17e/0x3c0 [ 36.793734] ? clean_buffers+0x290/0x290 [ 36.797777] ? page_mkclean+0x1a5/0x2b0 [ 36.801731] ? lock_downgrade+0x720/0x720 [ 36.805861] ? clear_page_dirty_for_io+0x2c8/0xee0 [ 36.810771] write_cache_pages+0x802/0x12d0 [ 36.815073] ? clean_buffers+0x290/0x290 [ 36.819114] ? clear_page_dirty_for_io+0xee0/0xee0 [ 36.824046] ? fat_add_cluster+0xf0/0xf0 [ 36.828088] ? fat_readpages+0x30/0x30 [ 36.831954] mpage_writepages+0xd1/0x230 [ 36.835995] ? __mpage_writepage+0x1570/0x1570 [ 36.840558] ? fat_add_cluster+0xf0/0xf0 [ 36.844599] ? mark_held_locks+0xf0/0xf0 [ 36.848642] ? mark_held_locks+0xf0/0xf0 [ 36.852691] ? mark_held_locks+0xf0/0xf0 [ 36.856734] do_writepages+0xe5/0x290 [ 36.860535] ? page_writeback_cpu_online+0x10/0x10 [ 36.865445] ? do_raw_spin_unlock+0x171/0x230 [ 36.869922] ? _raw_spin_unlock+0x29/0x40 [ 36.874052] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 36.879312] __filemap_fdatawrite_range+0x27d/0x350 [ 36.884307] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 36.889651] ? file_remove_privs+0x183/0x530 [ 36.894042] filemap_write_and_wait_range+0x46/0xd0 [ 36.899037] generic_file_direct_write+0x389/0x4a0 [ 36.903945] __generic_file_write_iter+0x2d0/0x610 [ 36.908853] generic_file_write_iter+0x3f8/0x730 [ 36.913588] aio_write+0x37f/0x5c0 [ 36.917125] ? mark_held_locks+0xf0/0xf0 [ 36.921165] ? aio_setup_rw.isra.0+0x110/0x110 [ 36.925726] ? lock_downgrade+0x720/0x720 [ 36.929857] ? should_fail+0x142/0x7b0 [ 36.933727] ? lock_downgrade+0x720/0x720 [ 36.937855] ? lock_acquire+0x170/0x3c0 [ 36.941876] ? __might_fault+0xef/0x1d0 [ 36.945844] io_submit_one+0xecd/0x20c0 [ 36.949812] ? lock_downgrade+0x720/0x720 [ 36.953954] ? aio_read+0x420/0x420 [ 36.957571] ? check_preemption_disabled+0x41/0x280 [ 36.962621] __se_sys_io_submit+0x11b/0x4a0 [ 36.966926] ? io_submit_one+0x20c0/0x20c0 [ 36.971144] ? ksys_write+0x1c8/0x2a0 [ 36.974926] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 36.980270] ? trace_hardirqs_off_caller+0x6e/0x210 [ 36.985268] do_syscall_64+0xf9/0x620 [ 36.989053] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.994222] RIP: 0033:0x7f72b0d72f69 [ 36.997917] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 37.016819] RSP: 002b:00007f72b0d1f2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 37.024508] RAX: ffffffffffffffda RBX: 00007f72b0df84c0 RCX: 00007f72b0d72f69 [ 37.031755] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f72b0cf6000 [ 37.039008] RBP: 00007f72b0dc5194 R08: 0000000000000001 R09: 0000000000000033 [ 37.046303] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f72b0df84cc [ 37.053551] R13: 00007f72b0d1f2f0 R14: 00007f72b0df84c8 R15: 0000000000000001 executing program [ 37.183317] FAULT_INJECTION: forcing a failure. [ 37.183317] name failslab, interval 1, probability 0, space 0, times 0 [ 37.194634] CPU: 1 PID: 8166 Comm: syz-executor767 Not tainted 4.19.207-syzkaller #0 [ 37.202518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.211865] Call Trace: [ 37.214459] dump_stack+0x1fc/0x2ef [ 37.218090] should_fail.cold+0xa/0xf [ 37.221897] ? setup_fault_attr+0x200/0x200 [ 37.226232] ? should_fail+0x142/0x7b0 [ 37.230138] ? lock_acquire+0x170/0x3c0 [ 37.234111] ? setup_fault_attr+0x200/0x200 [ 37.238417] __should_failslab+0x115/0x180 [ 37.242635] should_failslab+0x5/0x10 [ 37.246418] kmem_cache_alloc+0x3f/0x370 [ 37.250505] ? mempool_alloc+0x350/0x350 [ 37.254663] mempool_alloc+0x146/0x350 [ 37.258545] ? mempool_resize+0x790/0x790 [ 37.262683] ? mempool_resize+0x790/0x790 [ 37.266821] ? deref_stack_reg+0x1d0/0x1d0 [ 37.271040] bvec_alloc+0xdb/0x2f0 [ 37.274567] bio_alloc_bioset+0x42b/0x5e0 [ 37.278696] ? bvec_alloc+0x2f0/0x2f0 [ 37.282482] ? unwind_next_frame+0xeee/0x1400 [ 37.286992] mpage_alloc+0x2f/0x260 [ 37.290611] __mpage_writepage+0x102a/0x1570 [ 37.295007] ? page_mapped+0x17e/0x3c0 [ 37.298875] ? clean_buffers+0x290/0x290 [ 37.302922] ? page_mkclean+0x1a5/0x2b0 [ 37.306883] ? lock_downgrade+0x720/0x720 [ 37.311017] ? clear_page_dirty_for_io+0x2c8/0xee0 [ 37.315928] write_cache_pages+0x802/0x12d0 [ 37.320230] ? clean_buffers+0x290/0x290 [ 37.324273] ? clear_page_dirty_for_io+0xee0/0xee0 [ 37.329189] ? fat_add_cluster+0xf0/0xf0 [ 37.333229] ? fat_readpages+0x30/0x30 [ 37.337095] mpage_writepages+0xd1/0x230 [ 37.341139] ? __mpage_writepage+0x1570/0x1570 [ 37.345713] ? fat_add_cluster+0xf0/0xf0 [ 37.349758] ? mark_held_locks+0xf0/0xf0 [ 37.353797] ? mark_held_locks+0xf0/0xf0 [ 37.357838] ? mark_held_locks+0xf0/0xf0 [ 37.361884] do_writepages+0xe5/0x290 [ 37.365670] ? page_writeback_cpu_online+0x10/0x10 [ 37.370580] ? do_raw_spin_unlock+0x171/0x230 [ 37.375058] ? _raw_spin_unlock+0x29/0x40 [ 37.379191] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 37.384450] __filemap_fdatawrite_range+0x27d/0x350 [ 37.389447] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 37.394792] ? file_remove_privs+0x183/0x530 [ 37.399181] filemap_write_and_wait_range+0x46/0xd0 [ 37.404181] generic_file_direct_write+0x389/0x4a0 [ 37.409093] __generic_file_write_iter+0x2d0/0x610 [ 37.414001] generic_file_write_iter+0x3f8/0x730 [ 37.418743] aio_write+0x37f/0x5c0 [ 37.422266] ? mark_held_locks+0xf0/0xf0 [ 37.426309] ? aio_setup_rw.isra.0+0x110/0x110 [ 37.430872] ? lock_downgrade+0x720/0x720 [ 37.434999] ? should_fail+0x142/0x7b0 [ 37.438871] ? lock_downgrade+0x720/0x720 [ 37.442996] ? lock_acquire+0x170/0x3c0 [ 37.446952] ? __might_fault+0xef/0x1d0 [ 37.450920] io_submit_one+0xecd/0x20c0 [ 37.454905] ? lock_downgrade+0x720/0x720 [ 37.459042] ? aio_read+0x420/0x420 [ 37.462655] ? check_preemption_disabled+0x41/0x280 [ 37.467691] __se_sys_io_submit+0x11b/0x4a0 [ 37.472002] ? io_submit_one+0x20c0/0x20c0 [ 37.476234] ? ksys_write+0x1c8/0x2a0 [ 37.480021] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 37.485364] ? trace_hardirqs_off_caller+0x6e/0x210 [ 37.490363] do_syscall_64+0xf9/0x620 [ 37.494150] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.499326] RIP: 0033:0x7f72b0d72f69 [ 37.503028] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 37.521907] RSP: 002b:00007f72b0d1f2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 37.529592] RAX: ffffffffffffffda RBX: 00007f72b0df84c0 RCX: 00007f72b0d72f69 [ 37.536843] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f72b0cf6000 [ 37.544092] RBP: 00007f72b0dc5194 R08: 0000000000000001 R09: 0000000000000033 [ 37.551341] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f72b0df84cc [ 37.558591] R13: 00007f72b0d1f2f0 R14: 00007f72b0df84c8 R15: 0000000000000001 executing program [ 37.707454] FAULT_INJECTION: forcing a failure. [ 37.707454] name failslab, interval 1, probability 0, space 0, times 0 [ 37.719708] CPU: 0 PID: 8175 Comm: syz-executor767 Not tainted 4.19.207-syzkaller #0 [ 37.727600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.736939] Call Trace: [ 37.739515] dump_stack+0x1fc/0x2ef [ 37.743187] should_fail.cold+0xa/0xf [ 37.747321] ? setup_fault_attr+0x200/0x200 [ 37.751626] ? should_fail+0x142/0x7b0 [ 37.755496] ? lock_acquire+0x170/0x3c0 [ 37.759455] ? setup_fault_attr+0x200/0x200 [ 37.763757] __should_failslab+0x115/0x180 [ 37.767997] should_failslab+0x5/0x10 [ 37.771787] kmem_cache_alloc+0x3f/0x370 [ 37.775836] ? mempool_alloc+0x350/0x350 [ 37.779876] mempool_alloc+0x146/0x350 [ 37.783746] ? mempool_resize+0x790/0x790 [ 37.787874] ? mempool_resize+0x790/0x790 [ 37.792051] ? deref_stack_reg+0x1d0/0x1d0 [ 37.796269] bvec_alloc+0xdb/0x2f0 [ 37.799790] bio_alloc_bioset+0x42b/0x5e0 [ 37.803919] ? bvec_alloc+0x2f0/0x2f0 [ 37.807699] ? unwind_next_frame+0xeee/0x1400 [ 37.812176] mpage_alloc+0x2f/0x260 [ 37.815789] __mpage_writepage+0x102a/0x1570 [ 37.820179] ? page_mapped+0x17e/0x3c0 [ 37.824049] ? clean_buffers+0x290/0x290 [ 37.828097] ? page_mkclean+0x1a5/0x2b0 [ 37.832056] ? lock_downgrade+0x720/0x720 [ 37.836188] ? clear_page_dirty_for_io+0x2c8/0xee0 [ 37.841110] write_cache_pages+0x802/0x12d0 [ 37.845421] ? clean_buffers+0x290/0x290 [ 37.849468] ? clear_page_dirty_for_io+0xee0/0xee0 [ 37.854385] ? fat_add_cluster+0xf0/0xf0 [ 37.858430] ? fat_readpages+0x30/0x30 [ 37.862297] mpage_writepages+0xd1/0x230 [ 37.866361] ? __mpage_writepage+0x1570/0x1570 [ 37.870928] ? fat_add_cluster+0xf0/0xf0 [ 37.875407] ? mark_held_locks+0xf0/0xf0 [ 37.879451] ? mark_held_locks+0xf0/0xf0 [ 37.883496] ? mark_held_locks+0xf0/0xf0 [ 37.887539] do_writepages+0xe5/0x290 [ 37.891333] ? page_writeback_cpu_online+0x10/0x10 [ 37.896248] ? do_raw_spin_unlock+0x171/0x230 [ 37.900814] ? _raw_spin_unlock+0x29/0x40 [ 37.904945] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 37.910202] __filemap_fdatawrite_range+0x27d/0x350 [ 37.915201] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 37.920552] ? file_remove_privs+0x183/0x530 [ 37.924950] filemap_write_and_wait_range+0x46/0xd0 [ 37.929996] generic_file_direct_write+0x389/0x4a0 [ 37.934908] __generic_file_write_iter+0x2d0/0x610 [ 37.939857] generic_file_write_iter+0x3f8/0x730 [ 37.944605] aio_write+0x37f/0x5c0 [ 37.948130] ? mark_held_locks+0xf0/0xf0 [ 37.952176] ? aio_setup_rw.isra.0+0x110/0x110 [ 37.956743] ? lock_downgrade+0x720/0x720 [ 37.960933] ? should_fail+0x142/0x7b0 [ 37.964809] ? lock_downgrade+0x720/0x720 [ 37.968946] ? lock_acquire+0x170/0x3c0 [ 37.972909] ? __might_fault+0xef/0x1d0 [ 37.976866] io_submit_one+0xecd/0x20c0 [ 37.980863] ? lock_downgrade+0x720/0x720 [ 37.984989] ? aio_read+0x420/0x420 [ 37.988606] ? check_preemption_disabled+0x41/0x280 [ 37.993604] __se_sys_io_submit+0x11b/0x4a0 [ 37.997912] ? io_submit_one+0x20c0/0x20c0 [ 38.002130] ? ksys_write+0x1c8/0x2a0 [ 38.005911] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 38.011253] ? trace_hardirqs_off_caller+0x6e/0x210 [ 38.016253] do_syscall_64+0xf9/0x620 [ 38.020123] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.025304] RIP: 0033:0x7f72b0d72f69 [ 38.029007] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 38.047885] RSP: 002b:00007f72b0d1f2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 38.055581] RAX: ffffffffffffffda RBX: 00007f72b0df84c0 RCX: 00007f72b0d72f69 [ 38.062831] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f72b0cf6000 [ 38.070081] RBP: 00007f72b0dc5194 R08: 0000000000000001 R09: 0000000000000033 [ 38.077328] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f72b0df84cc [ 38.084589] R13: 00007f72b0d1f2f0 R14: 00007f72b0df84c8 R15: 0000000000000001 executing program [ 38.219771] FAULT_INJECTION: forcing a failure. [ 38.219771] name failslab, interval 1, probability 0, space 0, times 0 [ 38.235196] CPU: 0 PID: 8182 Comm: syz-executor767 Not tainted 4.19.207-syzkaller #0 [ 38.243082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.252416] Call Trace: [ 38.254985] dump_stack+0x1fc/0x2ef [ 38.258593] should_fail.cold+0xa/0xf [ 38.262375] ? setup_fault_attr+0x200/0x200 [ 38.266691] ? should_fail+0x142/0x7b0 [ 38.270563] ? lock_acquire+0x170/0x3c0 [ 38.274516] ? setup_fault_attr+0x200/0x200 [ 38.278814] __should_failslab+0x115/0x180 [ 38.283029] should_failslab+0x5/0x10 [ 38.286820] kmem_cache_alloc+0x3f/0x370 [ 38.290873] ? mempool_alloc+0x350/0x350 [ 38.294911] mempool_alloc+0x146/0x350 [ 38.298776] ? mempool_resize+0x790/0x790 [ 38.302901] ? mempool_resize+0x790/0x790 [ 38.307032] ? deref_stack_reg+0x1d0/0x1d0 [ 38.311245] bvec_alloc+0xdb/0x2f0 [ 38.314764] bio_alloc_bioset+0x42b/0x5e0 [ 38.318890] ? bvec_alloc+0x2f0/0x2f0 [ 38.322668] ? unwind_next_frame+0xeee/0x1400 [ 38.327152] mpage_alloc+0x2f/0x260 [ 38.330764] __mpage_writepage+0x102a/0x1570 [ 38.335164] ? page_mapped+0x17e/0x3c0 [ 38.339027] ? clean_buffers+0x290/0x290 [ 38.343075] ? page_mkclean+0x1a5/0x2b0 [ 38.347030] ? lock_downgrade+0x720/0x720 [ 38.351164] ? clear_page_dirty_for_io+0x2c8/0xee0 [ 38.356084] write_cache_pages+0x802/0x12d0 [ 38.360386] ? clean_buffers+0x290/0x290 [ 38.364426] ? clear_page_dirty_for_io+0xee0/0xee0 [ 38.369339] ? fat_add_cluster+0xf0/0xf0 [ 38.373386] ? fat_readpages+0x30/0x30 [ 38.377250] mpage_writepages+0xd1/0x230 [ 38.381296] ? __mpage_writepage+0x1570/0x1570 [ 38.385855] ? fat_add_cluster+0xf0/0xf0 [ 38.389893] ? mark_held_locks+0xf0/0xf0 [ 38.393931] ? mark_held_locks+0xf0/0xf0 [ 38.397973] ? mark_held_locks+0xf0/0xf0 [ 38.402056] do_writepages+0xe5/0x290 [ 38.405836] ? page_writeback_cpu_online+0x10/0x10 [ 38.410778] ? do_raw_spin_unlock+0x171/0x230 [ 38.415255] ? _raw_spin_unlock+0x29/0x40 [ 38.419383] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 38.424639] __filemap_fdatawrite_range+0x27d/0x350 [ 38.429634] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 38.434979] ? file_remove_privs+0x183/0x530 [ 38.439387] filemap_write_and_wait_range+0x46/0xd0 [ 38.444380] generic_file_direct_write+0x389/0x4a0 [ 38.449287] __generic_file_write_iter+0x2d0/0x610 [ 38.454202] generic_file_write_iter+0x3f8/0x730 [ 38.458938] aio_write+0x37f/0x5c0 [ 38.462463] ? mark_held_locks+0xf0/0xf0 [ 38.466500] ? aio_setup_rw.isra.0+0x110/0x110 [ 38.471061] ? lock_downgrade+0x720/0x720 [ 38.475186] ? should_fail+0x142/0x7b0 [ 38.479054] ? lock_downgrade+0x720/0x720 [ 38.483180] ? lock_acquire+0x170/0x3c0 [ 38.487150] ? __might_fault+0xef/0x1d0 [ 38.491106] io_submit_one+0xecd/0x20c0 [ 38.495059] ? lock_downgrade+0x720/0x720 [ 38.499182] ? aio_read+0x420/0x420 [ 38.502790] ? check_preemption_disabled+0x41/0x280 [ 38.507787] __se_sys_io_submit+0x11b/0x4a0 [ 38.512089] ? io_submit_one+0x20c0/0x20c0 [ 38.516315] ? ksys_write+0x1c8/0x2a0 [ 38.520095] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 38.525522] ? trace_hardirqs_off_caller+0x6e/0x210 [ 38.530536] do_syscall_64+0xf9/0x620 [ 38.534315] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.539483] RIP: 0033:0x7f72b0d72f69 [ 38.543177] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 38.562059] RSP: 002b:00007f72b0d1f2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 38.569745] RAX: ffffffffffffffda RBX: 00007f72b0df84c0 RCX: 00007f72b0d72f69 [ 38.577091] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f72b0cf6000 [ 38.584338] RBP: 00007f72b0dc5194 R08: 0000000000000001 R09: 0000000000000033 [ 38.591586] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f72b0df84cc [ 38.598919] R13: 00007f72b0d1f2f0 R14: 00007f72b0df84c8 R15: 0000000000000001 executing program [ 38.740106] FAULT_INJECTION: forcing a failure. [ 38.740106] name failslab, interval 1, probability 0, space 0, times 0 [ 38.751374] CPU: 1 PID: 8190 Comm: syz-executor767 Not tainted 4.19.207-syzkaller #0 [ 38.759238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.768568] Call Trace: [ 38.771136] dump_stack+0x1fc/0x2ef [ 38.774743] should_fail.cold+0xa/0xf [ 38.778525] ? setup_fault_attr+0x200/0x200 [ 38.782826] ? should_fail+0x142/0x7b0 [ 38.786691] ? lock_acquire+0x170/0x3c0 [ 38.790646] ? setup_fault_attr+0x200/0x200 [ 38.795053] __should_failslab+0x115/0x180 [ 38.799297] should_failslab+0x5/0x10 [ 38.803126] kmem_cache_alloc+0x3f/0x370 [ 38.807173] ? mempool_alloc+0x350/0x350 [ 38.811214] mempool_alloc+0x146/0x350 [ 38.815084] ? mempool_resize+0x790/0x790 [ 38.819214] ? mempool_resize+0x790/0x790 [ 38.823344] ? deref_stack_reg+0x1d0/0x1d0 [ 38.827563] bvec_alloc+0xdb/0x2f0 [ 38.831083] bio_alloc_bioset+0x42b/0x5e0 [ 38.835219] ? bvec_alloc+0x2f0/0x2f0 [ 38.839001] ? unwind_next_frame+0xeee/0x1400 [ 38.843479] mpage_alloc+0x2f/0x260 [ 38.847085] __mpage_writepage+0x102a/0x1570 [ 38.851476] ? page_mapped+0x17e/0x3c0 [ 38.855353] ? clean_buffers+0x290/0x290 [ 38.859399] ? page_mkclean+0x1a5/0x2b0 [ 38.863364] ? lock_downgrade+0x720/0x720 [ 38.867500] ? clear_page_dirty_for_io+0x2c8/0xee0 [ 38.872501] write_cache_pages+0x802/0x12d0 [ 38.876805] ? clean_buffers+0x290/0x290 [ 38.880846] ? clear_page_dirty_for_io+0xee0/0xee0 [ 38.885764] ? fat_add_cluster+0xf0/0xf0 [ 38.889803] ? fat_readpages+0x30/0x30 [ 38.893671] mpage_writepages+0xd1/0x230 [ 38.897714] ? __mpage_writepage+0x1570/0x1570 [ 38.902276] ? fat_add_cluster+0xf0/0xf0 [ 38.906333] ? mark_held_locks+0xf0/0xf0 [ 38.910376] ? mark_held_locks+0xf0/0xf0 [ 38.914418] ? mark_held_locks+0xf0/0xf0 [ 38.918458] do_writepages+0xe5/0x290 [ 38.922242] ? page_writeback_cpu_online+0x10/0x10 [ 38.927249] ? do_raw_spin_unlock+0x171/0x230 [ 38.931758] ? _raw_spin_unlock+0x29/0x40 [ 38.935887] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 38.941143] __filemap_fdatawrite_range+0x27d/0x350 [ 38.946140] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 38.951484] ? file_remove_privs+0x183/0x530 [ 38.955878] filemap_write_and_wait_range+0x46/0xd0 [ 38.960876] generic_file_direct_write+0x389/0x4a0 [ 38.965798] __generic_file_write_iter+0x2d0/0x610 [ 38.970705] generic_file_write_iter+0x3f8/0x730 [ 38.975443] aio_write+0x37f/0x5c0 [ 38.978962] ? mark_held_locks+0xf0/0xf0 [ 38.983007] ? aio_setup_rw.isra.0+0x110/0x110 [ 38.987576] ? lock_downgrade+0x720/0x720 [ 38.991704] ? should_fail+0x142/0x7b0 [ 38.995658] ? lock_downgrade+0x720/0x720 [ 38.999806] ? lock_acquire+0x170/0x3c0 [ 39.003770] ? __might_fault+0xef/0x1d0 [ 39.007731] io_submit_one+0xecd/0x20c0 [ 39.011689] ? lock_downgrade+0x720/0x720 [ 39.015820] ? aio_read+0x420/0x420 [ 39.019443] ? check_preemption_disabled+0x41/0x280 [ 39.024447] __se_sys_io_submit+0x11b/0x4a0 [ 39.028754] ? io_submit_one+0x20c0/0x20c0 [ 39.032966] ? ksys_write+0x1c8/0x2a0 [ 39.036747] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 39.042089] ? trace_hardirqs_off_caller+0x6e/0x210 [ 39.047083] do_syscall_64+0xf9/0x620 [ 39.050883] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 39.056052] RIP: 0033:0x7f72b0d72f69 [ 39.059749] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 39.078630] RSP: 002b:00007f72b0d1f2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 39.086326] RAX: ffffffffffffffda RBX: 00007f72b0df84c0 RCX: 00007f72b0d72f69 [ 39.093571] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f72b0cf6000 [ 39.100817] RBP: 00007f72b0dc5194 R08: 0000000000000001 R09: 0000000000000033 [ 39.108150] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f72b0df84cc [ 39.115399] R13: 00007f72b0d1f2f0 R14: 00007f72b0df84c8 R15: 0000000000000001 executing program [ 39.234981] FAULT_INJECTION: forcing a failure. [ 39.234981] name failslab, interval 1, probability 0, space 0, times 0 [ 39.247039] CPU: 1 PID: 8198 Comm: syz-executor767 Not tainted 4.19.207-syzkaller #0 [ 39.254928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.264311] Call Trace: [ 39.266884] dump_stack+0x1fc/0x2ef [ 39.270494] should_fail.cold+0xa/0xf [ 39.274369] ? setup_fault_attr+0x200/0x200 [ 39.278669] ? should_fail+0x142/0x7b0 [ 39.282708] ? lock_acquire+0x170/0x3c0 [ 39.286690] ? setup_fault_attr+0x200/0x200 [ 39.290998] __should_failslab+0x115/0x180 [ 39.295217] should_failslab+0x5/0x10 [ 39.299005] kmem_cache_alloc+0x3f/0x370 [ 39.303116] ? mempool_alloc+0x350/0x350 [ 39.307171] mempool_alloc+0x146/0x350 [ 39.311074] ? mempool_resize+0x790/0x790 [ 39.315204] ? mempool_resize+0x790/0x790 [ 39.319336] ? deref_stack_reg+0x1d0/0x1d0 [ 39.323552] bvec_alloc+0xdb/0x2f0 [ 39.327080] bio_alloc_bioset+0x42b/0x5e0 [ 39.331212] ? bvec_alloc+0x2f0/0x2f0 [ 39.335005] ? unwind_next_frame+0xeee/0x1400 [ 39.339483] mpage_alloc+0x2f/0x260 [ 39.343112] __mpage_writepage+0x102a/0x1570 [ 39.347505] ? page_mapped+0x17e/0x3c0 [ 39.351376] ? clean_buffers+0x290/0x290 [ 39.355418] ? page_mkclean+0x1a5/0x2b0 [ 39.359377] ? lock_downgrade+0x720/0x720 [ 39.363521] ? clear_page_dirty_for_io+0x2c8/0xee0 [ 39.368433] write_cache_pages+0x802/0x12d0 [ 39.372751] ? clean_buffers+0x290/0x290 [ 39.376791] ? clear_page_dirty_for_io+0xee0/0xee0 [ 39.381707] ? fat_add_cluster+0xf0/0xf0 [ 39.385747] ? fat_readpages+0x30/0x30 [ 39.389623] mpage_writepages+0xd1/0x230 [ 39.393664] ? __mpage_writepage+0x1570/0x1570 [ 39.398229] ? fat_add_cluster+0xf0/0xf0 [ 39.402444] ? mark_held_locks+0xf0/0xf0 [ 39.406482] ? mark_held_locks+0xf0/0xf0 [ 39.410526] ? mark_held_locks+0xf0/0xf0 [ 39.414580] do_writepages+0xe5/0x290 [ 39.418374] ? page_writeback_cpu_online+0x10/0x10 [ 39.423289] ? do_raw_spin_unlock+0x171/0x230 [ 39.427765] ? _raw_spin_unlock+0x29/0x40 [ 39.431900] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 39.437219] __filemap_fdatawrite_range+0x27d/0x350 [ 39.442226] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 39.447592] ? file_remove_privs+0x183/0x530 [ 39.451990] filemap_write_and_wait_range+0x46/0xd0 [ 39.456987] generic_file_direct_write+0x389/0x4a0 [ 39.461897] __generic_file_write_iter+0x2d0/0x610 [ 39.466811] generic_file_write_iter+0x3f8/0x730 [ 39.471559] aio_write+0x37f/0x5c0 [ 39.475080] ? mark_held_locks+0xf0/0xf0 [ 39.479118] ? aio_setup_rw.isra.0+0x110/0x110 [ 39.483681] ? lock_downgrade+0x720/0x720 [ 39.487811] ? should_fail+0x142/0x7b0 [ 39.491678] ? lock_downgrade+0x720/0x720 [ 39.495802] ? lock_acquire+0x170/0x3c0 [ 39.499757] ? __might_fault+0xef/0x1d0 [ 39.503710] io_submit_one+0xecd/0x20c0 [ 39.507678] ? lock_downgrade+0x720/0x720 [ 39.511808] ? aio_read+0x420/0x420 [ 39.515423] ? check_preemption_disabled+0x41/0x280 [ 39.520506] __se_sys_io_submit+0x11b/0x4a0 [ 39.524805] ? io_submit_one+0x20c0/0x20c0 [ 39.529031] ? ksys_write+0x1c8/0x2a0 [ 39.532815] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 39.538160] ? trace_hardirqs_off_caller+0x6e/0x210 [ 39.543155] do_syscall_64+0xf9/0x620 [ 39.546933] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 39.552098] RIP: 0033:0x7f72b0d72f69 [ 39.555791] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 39.574671] RSP: 002b:00007f72b0d1f2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 39.582356] RAX: ffffffffffffffda RBX: 00007f72b0df84c0 RCX: 00007f72b0d72f69 [ 39.589606] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f72b0cf6000 [ 39.596865] RBP: 00007f72b0dc5194 R08: 0000000000000001 R09: 0000000000000033 [ 39.604112] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f72b0df84cc [ 39.611360] R13: 00007f72b0d1f2f0 R14: 00007f72b0df84c8 R15: 0000000000000001 executing program [ 39.755488] FAULT_INJECTION: forcing a failure. [ 39.755488] name failslab, interval 1, probability 0, space 0, times 0 [ 39.766913] CPU: 0 PID: 8205 Comm: syz-executor767 Not tainted 4.19.207-syzkaller #0 [ 39.774796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.784150] Call Trace: [ 39.786748] dump_stack+0x1fc/0x2ef [ 39.790379] should_fail.cold+0xa/0xf [ 39.794187] ? setup_fault_attr+0x200/0x200 [ 39.798511] ? should_fail+0x142/0x7b0 [ 39.802387] ? lock_acquire+0x170/0x3c0 [ 39.806343] ? setup_fault_attr+0x200/0x200 [ 39.810644] __should_failslab+0x115/0x180 [ 39.814865] should_failslab+0x5/0x10 [ 39.818646] kmem_cache_alloc+0x3f/0x370 [ 39.822699] ? mempool_alloc+0x350/0x350 [ 39.826853] mempool_alloc+0x146/0x350 [ 39.830735] ? mempool_resize+0x790/0x790 [ 39.834861] ? mempool_resize+0x790/0x790 [ 39.838989] ? deref_stack_reg+0x1d0/0x1d0 [ 39.843204] bvec_alloc+0xdb/0x2f0 [ 39.846723] bio_alloc_bioset+0x42b/0x5e0 [ 39.850850] ? bvec_alloc+0x2f0/0x2f0 [ 39.854627] ? unwind_next_frame+0xeee/0x1400 [ 39.859136] mpage_alloc+0x2f/0x260 [ 39.862769] __mpage_writepage+0x102a/0x1570 [ 39.867245] ? page_mapped+0x17e/0x3c0 [ 39.871111] ? clean_buffers+0x290/0x290 [ 39.875180] ? page_mkclean+0x1a5/0x2b0 [ 39.879145] ? lock_downgrade+0x720/0x720 [ 39.883283] ? clear_page_dirty_for_io+0x2c8/0xee0 [ 39.888280] write_cache_pages+0x802/0x12d0 [ 39.892581] ? clean_buffers+0x290/0x290 [ 39.896623] ? clear_page_dirty_for_io+0xee0/0xee0 [ 39.901538] ? fat_add_cluster+0xf0/0xf0 [ 39.905575] ? fat_readpages+0x30/0x30 [ 39.909440] mpage_writepages+0xd1/0x230 [ 39.913481] ? __mpage_writepage+0x1570/0x1570 [ 39.918043] ? fat_add_cluster+0xf0/0xf0 [ 39.922100] ? mark_held_locks+0xf0/0xf0 [ 39.926138] ? mark_held_locks+0xf0/0xf0 [ 39.930193] ? mark_held_locks+0xf0/0xf0 [ 39.934234] do_writepages+0xe5/0x290 [ 39.938024] ? page_writeback_cpu_online+0x10/0x10 [ 39.942940] ? do_raw_spin_unlock+0x171/0x230 [ 39.947416] ? _raw_spin_unlock+0x29/0x40 [ 39.951547] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 39.956805] __filemap_fdatawrite_range+0x27d/0x350 [ 39.961799] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 39.967159] ? file_remove_privs+0x183/0x530 [ 39.971547] filemap_write_and_wait_range+0x46/0xd0 [ 39.976545] generic_file_direct_write+0x389/0x4a0 [ 39.981461] __generic_file_write_iter+0x2d0/0x610 [ 39.986366] generic_file_write_iter+0x3f8/0x730 [ 39.991100] aio_write+0x37f/0x5c0 [ 39.994618] ? mark_held_locks+0xf0/0xf0 [ 39.998657] ? aio_setup_rw.isra.0+0x110/0x110 [ 40.003226] ? lock_downgrade+0x720/0x720 [ 40.007353] ? should_fail+0x142/0x7b0 [ 40.011227] ? lock_downgrade+0x720/0x720 [ 40.015352] ? lock_acquire+0x170/0x3c0 [ 40.019313] ? __might_fault+0xef/0x1d0 [ 40.023270] io_submit_one+0xecd/0x20c0 [ 40.027354] ? lock_downgrade+0x720/0x720 [ 40.031482] ? aio_read+0x420/0x420 [ 40.035099] ? check_preemption_disabled+0x41/0x280 [ 40.040106] __se_sys_io_submit+0x11b/0x4a0 [ 40.044411] ? io_submit_one+0x20c0/0x20c0 [ 40.048718] ? ksys_write+0x1c8/0x2a0 [ 40.052521] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 40.057862] ? trace_hardirqs_off_caller+0x6e/0x210 [ 40.062860] do_syscall_64+0xf9/0x620 [ 40.066679] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 40.071881] RIP: 0033:0x7f72b0d72f69 [ 40.075573] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 40.094450] RSP: 002b:00007f72b0d1f2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 40.102137] RAX: ffffffffffffffda RBX: 00007f72b0df84c0 RCX: 00007f72b0d72f69 [ 40.109384] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f72b0cf6000 [ 40.116631] RBP: 00007f72b0dc5194 R08: 0000000000000001 R09: 0000000000000033 [ 40.123877] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f72b0df84cc [ 40.131136] R13: 00007f72b0d1f2f0 R14: 00007f72b0df84c8 R15: 0000000000000001 executing program [ 40.272941] FAULT_INJECTION: forcing a failure. [ 40.272941] name failslab, interval 1, probability 0, space 0, times 0 [ 40.285017] CPU: 0 PID: 8214 Comm: syz-executor767 Not tainted 4.19.207-syzkaller #0 [ 40.292907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.302260] Call Trace: [ 40.304849] dump_stack+0x1fc/0x2ef [ 40.308481] should_fail.cold+0xa/0xf [ 40.312282] ? setup_fault_attr+0x200/0x200 [ 40.316602] ? should_fail+0x142/0x7b0 [ 40.320494] ? lock_acquire+0x170/0x3c0 [ 40.324470] ? setup_fault_attr+0x200/0x200 [ 40.328789] __should_failslab+0x115/0x180 [ 40.333002] should_failslab+0x5/0x10 [ 40.336783] kmem_cache_alloc+0x3f/0x370 [ 40.340827] ? mempool_alloc+0x350/0x350 [ 40.344952] mempool_alloc+0x146/0x350 [ 40.348817] ? mempool_resize+0x790/0x790 [ 40.352942] ? mempool_resize+0x790/0x790 [ 40.357130] ? deref_stack_reg+0x1d0/0x1d0 [ 40.361351] bvec_alloc+0xdb/0x2f0 [ 40.364870] bio_alloc_bioset+0x42b/0x5e0 [ 40.369025] ? bvec_alloc+0x2f0/0x2f0 [ 40.372801] ? unwind_next_frame+0xeee/0x1400 [ 40.377274] mpage_alloc+0x2f/0x260 [ 40.380878] __mpage_writepage+0x102a/0x1570 [ 40.385268] ? page_mapped+0x17e/0x3c0 [ 40.389135] ? clean_buffers+0x290/0x290 [ 40.393173] ? page_mkclean+0x1a5/0x2b0 [ 40.397128] ? lock_downgrade+0x720/0x720 [ 40.401256] ? clear_page_dirty_for_io+0x2c8/0xee0 [ 40.406173] write_cache_pages+0x802/0x12d0 [ 40.410473] ? clean_buffers+0x290/0x290 [ 40.414513] ? clear_page_dirty_for_io+0xee0/0xee0 [ 40.419429] ? fat_add_cluster+0xf0/0xf0 [ 40.423464] ? fat_readpages+0x30/0x30 [ 40.427328] mpage_writepages+0xd1/0x230 [ 40.431367] ? __mpage_writepage+0x1570/0x1570 [ 40.435931] ? fat_add_cluster+0xf0/0xf0 [ 40.439971] ? mark_held_locks+0xf0/0xf0 [ 40.444009] ? mark_held_locks+0xf0/0xf0 [ 40.448050] ? mark_held_locks+0xf0/0xf0 [ 40.452120] do_writepages+0xe5/0x290 [ 40.455899] ? page_writeback_cpu_online+0x10/0x10 [ 40.460808] ? do_raw_spin_unlock+0x171/0x230 [ 40.465280] ? _raw_spin_unlock+0x29/0x40 [ 40.469404] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 40.474658] __filemap_fdatawrite_range+0x27d/0x350 [ 40.479665] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 40.485007] ? file_remove_privs+0x183/0x530 [ 40.489393] filemap_write_and_wait_range+0x46/0xd0 [ 40.494389] generic_file_direct_write+0x389/0x4a0 [ 40.499297] __generic_file_write_iter+0x2d0/0x610 [ 40.504203] generic_file_write_iter+0x3f8/0x730 [ 40.508936] aio_write+0x37f/0x5c0 [ 40.512455] ? mark_held_locks+0xf0/0xf0 [ 40.516507] ? aio_setup_rw.isra.0+0x110/0x110 [ 40.521069] ? lock_downgrade+0x720/0x720 [ 40.525194] ? should_fail+0x142/0x7b0 [ 40.529149] ? lock_downgrade+0x720/0x720 [ 40.533273] ? lock_acquire+0x170/0x3c0 [ 40.537227] ? __might_fault+0xef/0x1d0 [ 40.541181] io_submit_one+0xecd/0x20c0 [ 40.545138] ? lock_downgrade+0x720/0x720 [ 40.549263] ? aio_read+0x420/0x420 [ 40.552871] ? check_preemption_disabled+0x41/0x280 [ 40.557876] __se_sys_io_submit+0x11b/0x4a0 [ 40.562176] ? io_submit_one+0x20c0/0x20c0 [ 40.566414] ? ksys_write+0x1c8/0x2a0 [ 40.570197] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 40.575538] ? trace_hardirqs_off_caller+0x6e/0x210 [ 40.580541] do_syscall_64+0xf9/0x620 [ 40.584319] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 40.589496] RIP: 0033:0x7f72b0d72f69 [ 40.593190] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 40.612066] RSP: 002b:00007f72b0d1f2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 40.619751] RAX: ffffffffffffffda RBX: 00007f72b0df84c0 RCX: 00007f72b0d72f69 [ 40.626998] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f72b0cf6000 [ 40.634245] RBP: 00007f72b0dc5194 R08: 0000000000000001 R09: 0000000000000033 [ 40.641491] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f72b0df84cc [ 40.648745] R13: 00007f72b0d1f2f0 R14: 00007f72b0df84c8 R15: 0000000000000001 executing program [ 40.782426] FAULT_INJECTION: forcing a failure. [ 40.782426] name failslab, interval 1, probability 0, space 0, times 0 [ 40.793917] CPU: 0 PID: 8225 Comm: syz-executor767 Not tainted 4.19.207-syzkaller #0 [ 40.801883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.811231] Call Trace: [ 40.813821] dump_stack+0x1fc/0x2ef [ 40.817455] should_fail.cold+0xa/0xf [ 40.821261] ? setup_fault_attr+0x200/0x200 [ 40.825582] ? should_fail+0x142/0x7b0 [ 40.829468] ? lock_acquire+0x170/0x3c0 [ 40.833443] ? setup_fault_attr+0x200/0x200 [ 40.837756] __should_failslab+0x115/0x180 [ 40.841975] should_failslab+0x5/0x10 [ 40.845770] kmem_cache_alloc+0x3f/0x370 [ 40.849811] ? mempool_alloc+0x350/0x350 [ 40.853846] mempool_alloc+0x146/0x350 [ 40.857712] ? mempool_resize+0x790/0x790 [ 40.861838] ? mempool_resize+0x790/0x790 [ 40.865966] ? deref_stack_reg+0x1d0/0x1d0 [ 40.870179] bvec_alloc+0xdb/0x2f0 [ 40.873699] bio_alloc_bioset+0x42b/0x5e0 [ 40.877858] ? bvec_alloc+0x2f0/0x2f0 [ 40.881637] ? unwind_next_frame+0xeee/0x1400 [ 40.886112] mpage_alloc+0x2f/0x260 [ 40.889718] __mpage_writepage+0x102a/0x1570 [ 40.894109] ? page_mapped+0x17e/0x3c0 [ 40.897983] ? clean_buffers+0x290/0x290 [ 40.902022] ? page_mkclean+0x1a5/0x2b0 [ 40.905976] ? lock_downgrade+0x720/0x720 [ 40.910333] ? clear_page_dirty_for_io+0x2c8/0xee0 [ 40.915251] write_cache_pages+0x802/0x12d0 [ 40.919574] ? clean_buffers+0x290/0x290 [ 40.923618] ? clear_page_dirty_for_io+0xee0/0xee0 [ 40.928543] ? fat_add_cluster+0xf0/0xf0 [ 40.932585] ? fat_readpages+0x30/0x30 [ 40.936450] mpage_writepages+0xd1/0x230 [ 40.940494] ? __mpage_writepage+0x1570/0x1570 [ 40.945054] ? fat_add_cluster+0xf0/0xf0 [ 40.949139] ? mark_held_locks+0xf0/0xf0 [ 40.953179] ? mark_held_locks+0xf0/0xf0 [ 40.957225] ? mark_held_locks+0xf0/0xf0 [ 40.961267] do_writepages+0xe5/0x290 [ 40.965052] ? page_writeback_cpu_online+0x10/0x10 [ 40.969960] ? do_raw_spin_unlock+0x171/0x230 [ 40.974437] ? _raw_spin_unlock+0x29/0x40 [ 40.978674] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 40.983929] __filemap_fdatawrite_range+0x27d/0x350 [ 40.988923] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 40.994263] ? file_remove_privs+0x183/0x530 [ 40.998649] filemap_write_and_wait_range+0x46/0xd0 [ 41.003647] generic_file_direct_write+0x389/0x4a0 [ 41.008554] __generic_file_write_iter+0x2d0/0x610 [ 41.013462] generic_file_write_iter+0x3f8/0x730 [ 41.018209] aio_write+0x37f/0x5c0 [ 41.021772] ? mark_held_locks+0xf0/0xf0 [ 41.025812] ? aio_setup_rw.isra.0+0x110/0x110 [ 41.030375] ? lock_downgrade+0x720/0x720 [ 41.034500] ? should_fail+0x142/0x7b0 [ 41.038369] ? lock_downgrade+0x720/0x720 [ 41.042499] ? lock_acquire+0x170/0x3c0 [ 41.046451] ? __might_fault+0xef/0x1d0 [ 41.050406] io_submit_one+0xecd/0x20c0 [ 41.054371] ? lock_downgrade+0x720/0x720 [ 41.058497] ? aio_read+0x420/0x420 [ 41.062106] ? check_preemption_disabled+0x41/0x280 [ 41.067102] __se_sys_io_submit+0x11b/0x4a0 [ 41.071403] ? io_submit_one+0x20c0/0x20c0 [ 41.075616] ? ksys_write+0x1c8/0x2a0 [ 41.079399] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 41.084742] ? trace_hardirqs_off_caller+0x6e/0x210 [ 41.089740] do_syscall_64+0xf9/0x620 [ 41.093523] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 41.098692] RIP: 0033:0x7f72b0d72f69 [ 41.102385] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 41.121279] RSP: 002b:00007f72b0d1f2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 41.128969] RAX: ffffffffffffffda RBX: 00007f72b0df84c0 RCX: 00007f72b0d72f69 [ 41.136215] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f72b0cf6000 [ 41.143463] RBP: 00007f72b0dc5194 R08: 0000000000000001 R09: 0000000000000033 [ 41.150710] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f72b0df84cc [ 41.158390] R13: 00007f72b0d1f2f0 R14: 00007f72b0df84c8 R15: 0000000000000001 executing program [ 41.303819] FAULT_INJECTION: forcing a failure. [ 41.303819] name failslab, interval 1, probability 0, space 0, times 0 [ 41.315096] CPU: 1 PID: 8234 Comm: syz-executor767 Not tainted 4.19.207-syzkaller #0 [ 41.322969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.332401] Call Trace: [ 41.334973] dump_stack+0x1fc/0x2ef [ 41.338583] should_fail.cold+0xa/0xf [ 41.342369] ? setup_fault_attr+0x200/0x200 [ 41.346675] ? should_fail+0x142/0x7b0 [ 41.350543] ? lock_acquire+0x170/0x3c0 [ 41.354498] ? setup_fault_attr+0x200/0x200 [ 41.358798] __should_failslab+0x115/0x180 [ 41.363021] should_failslab+0x5/0x10 [ 41.366799] kmem_cache_alloc+0x3f/0x370 [ 41.370840] ? mempool_alloc+0x350/0x350 [ 41.374879] mempool_alloc+0x146/0x350 [ 41.378747] ? mempool_resize+0x790/0x790 [ 41.382887] ? mempool_resize+0x790/0x790 [ 41.387015] ? deref_stack_reg+0x1d0/0x1d0 [ 41.391230] bvec_alloc+0xdb/0x2f0 [ 41.394751] bio_alloc_bioset+0x42b/0x5e0 [ 41.398879] ? bvec_alloc+0x2f0/0x2f0 [ 41.402659] ? unwind_next_frame+0xeee/0x1400 [ 41.407137] mpage_alloc+0x2f/0x260 [ 41.410742] __mpage_writepage+0x102a/0x1570 [ 41.415132] ? page_mapped+0x17e/0x3c0 [ 41.419000] ? clean_buffers+0x290/0x290 [ 41.423039] ? page_mkclean+0x1a5/0x2b0 [ 41.426993] ? lock_downgrade+0x720/0x720 [ 41.431125] ? clear_page_dirty_for_io+0x2c8/0xee0 [ 41.436035] write_cache_pages+0x802/0x12d0 [ 41.440336] ? clean_buffers+0x290/0x290 [ 41.444407] ? clear_page_dirty_for_io+0xee0/0xee0 [ 41.449325] ? fat_add_cluster+0xf0/0xf0 [ 41.453362] ? fat_readpages+0x30/0x30 [ 41.457229] mpage_writepages+0xd1/0x230 [ 41.461271] ? __mpage_writepage+0x1570/0x1570 [ 41.465846] ? fat_add_cluster+0xf0/0xf0 [ 41.469887] ? mark_held_locks+0xf0/0xf0 [ 41.473935] ? mark_held_locks+0xf0/0xf0 [ 41.477980] ? mark_held_locks+0xf0/0xf0 [ 41.482030] do_writepages+0xe5/0x290 [ 41.485814] ? page_writeback_cpu_online+0x10/0x10 [ 41.490724] ? do_raw_spin_unlock+0x171/0x230 [ 41.495200] ? _raw_spin_unlock+0x29/0x40 [ 41.499327] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 41.504579] __filemap_fdatawrite_range+0x27d/0x350 [ 41.509575] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 41.514918] ? file_remove_privs+0x183/0x530 [ 41.519304] filemap_write_and_wait_range+0x46/0xd0 [ 41.524297] generic_file_direct_write+0x389/0x4a0 [ 41.529206] __generic_file_write_iter+0x2d0/0x610 [ 41.534115] generic_file_write_iter+0x3f8/0x730 [ 41.538861] aio_write+0x37f/0x5c0 [ 41.542382] ? mark_held_locks+0xf0/0xf0 [ 41.546433] ? aio_setup_rw.isra.0+0x110/0x110 [ 41.550994] ? lock_downgrade+0x720/0x720 [ 41.555120] ? should_fail+0x142/0x7b0 [ 41.558985] ? lock_downgrade+0x720/0x720 [ 41.563110] ? lock_acquire+0x170/0x3c0 [ 41.567063] ? __might_fault+0xef/0x1d0 [ 41.571020] io_submit_one+0xecd/0x20c0 [ 41.574981] ? lock_downgrade+0x720/0x720 [ 41.579116] ? aio_read+0x420/0x420 [ 41.582734] ? check_preemption_disabled+0x41/0x280 [ 41.587732] __se_sys_io_submit+0x11b/0x4a0 [ 41.592035] ? io_submit_one+0x20c0/0x20c0 [ 41.596252] ? ksys_write+0x1c8/0x2a0 [ 41.600038] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 41.605389] ? trace_hardirqs_off_caller+0x6e/0x210 [ 41.610389] do_syscall_64+0xf9/0x620 [ 41.614209] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 41.620333] RIP: 0033:0x7f72b0d72f69 [ 41.624028] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 41.642917] RSP: 002b:00007f72b0d1f2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 41.650602] RAX: ffffffffffffffda RBX: 00007f72b0df84c0 RCX: 00007f72b0d72f69 [ 41.657848] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f72b0cf6000 [ 41.665108] RBP: 00007f72b0dc5194 R08: 0000000000000001 R09: 0000000000000033 [ 41.672355] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f72b0df84cc [ 41.679602] R13: 00007f72b0d1f2f0 R14: 00007f72b0df84c8 R15: 0000000000000001 executing program [ 41.865767] FAULT_INJECTION: forcing a failure. [ 41.865767] name failslab, interval 1, probability 0, space 0, times 0 [ 41.878015] CPU: 0 PID: 8242 Comm: syz-executor767 Not tainted 4.19.207-syzkaller #0 [ 41.885897] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.895321] Call Trace: [ 41.897916] dump_stack+0x1fc/0x2ef [ 41.901533] should_fail.cold+0xa/0xf [ 41.905314] ? setup_fault_attr+0x200/0x200 [ 41.909612] ? should_fail+0x142/0x7b0 [ 41.913480] ? lock_acquire+0x170/0x3c0 [ 41.917437] ? setup_fault_attr+0x200/0x200 [ 41.921754] __should_failslab+0x115/0x180 [ 41.925978] should_failslab+0x5/0x10 [ 41.929756] kmem_cache_alloc+0x3f/0x370 [ 41.933796] ? mempool_alloc+0x350/0x350 [ 41.937837] mempool_alloc+0x146/0x350 [ 41.941704] ? mempool_resize+0x790/0x790 [ 41.945830] ? mempool_resize+0x790/0x790 [ 41.949973] ? deref_stack_reg+0x1d0/0x1d0 [ 41.954189] bvec_alloc+0xdb/0x2f0 [ 41.957710] bio_alloc_bioset+0x42b/0x5e0 [ 41.961843] ? bvec_alloc+0x2f0/0x2f0 [ 41.965629] ? unwind_next_frame+0xeee/0x1400 [ 41.970103] mpage_alloc+0x2f/0x260 [ 41.973709] __mpage_writepage+0x102a/0x1570 [ 41.978106] ? page_mapped+0x17e/0x3c0 [ 41.981971] ? clean_buffers+0x290/0x290 [ 41.986010] ? page_mkclean+0x1a5/0x2b0 [ 41.989967] ? lock_downgrade+0x720/0x720 [ 41.994104] ? clear_page_dirty_for_io+0x2c8/0xee0 [ 41.999016] write_cache_pages+0x802/0x12d0 [ 42.003319] ? clean_buffers+0x290/0x290 [ 42.007359] ? clear_page_dirty_for_io+0xee0/0xee0 [ 42.012271] ? finish_task_switch+0x118/0x760 [ 42.016745] ? fat_add_cluster+0xf0/0xf0 [ 42.020787] ? fat_readpages+0x30/0x30 [ 42.024654] mpage_writepages+0xd1/0x230 [ 42.028695] ? __mpage_writepage+0x1570/0x1570 [ 42.033264] ? fat_add_cluster+0xf0/0xf0 [ 42.037311] ? mark_held_locks+0xf0/0xf0 [ 42.041353] ? mark_held_locks+0xf0/0xf0 [ 42.045393] ? io_schedule_timeout+0x140/0x140 [ 42.049957] ? trace_hardirqs_on_caller+0x5a/0x210 [ 42.054866] ? mark_held_locks+0xf0/0xf0 [ 42.058909] do_writepages+0xe5/0x290 [ 42.062693] ? page_writeback_cpu_online+0x10/0x10 [ 42.067600] ? do_raw_spin_unlock+0x171/0x230 [ 42.072074] ? _raw_spin_unlock+0x29/0x40 [ 42.076203] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 42.081456] __filemap_fdatawrite_range+0x27d/0x350 [ 42.086449] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 42.091792] ? file_remove_privs+0x183/0x530 [ 42.096180] filemap_write_and_wait_range+0x46/0xd0 [ 42.101174] generic_file_direct_write+0x389/0x4a0 [ 42.106083] __generic_file_write_iter+0x2d0/0x610 [ 42.110996] generic_file_write_iter+0x3f8/0x730 [ 42.115735] aio_write+0x37f/0x5c0 [ 42.119253] ? mark_held_locks+0xf0/0xf0 [ 42.123295] ? aio_setup_rw.isra.0+0x110/0x110 [ 42.127857] ? lock_downgrade+0x720/0x720 [ 42.131983] ? should_fail+0x142/0x7b0 [ 42.135852] ? lock_downgrade+0x720/0x720 [ 42.139977] ? lock_acquire+0x170/0x3c0 [ 42.143927] ? __might_fault+0xef/0x1d0 [ 42.147883] io_submit_one+0xecd/0x20c0 [ 42.151838] ? lock_downgrade+0x720/0x720 [ 42.155965] ? aio_read+0x420/0x420 [ 42.159573] ? check_preemption_disabled+0x41/0x280 [ 42.164567] __se_sys_io_submit+0x11b/0x4a0 [ 42.168869] ? io_submit_one+0x20c0/0x20c0 [ 42.173082] ? ksys_write+0x1c8/0x2a0 [ 42.176862] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 42.182206] ? trace_hardirqs_off_caller+0x6e/0x210 [ 42.187217] do_syscall_64+0xf9/0x620 [ 42.190998] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 42.196163] RIP: 0033:0x7f72b0d72f69 [ 42.199853] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 42.218732] RSP: 002b:00007f72b0d1f2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 42.226427] RAX: ffffffffffffffda RBX: 00007f72b0df84c0 RCX: 00007f72b0d72f69 [ 42.233677] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f72b0cf6000 [ 42.240922] RBP: 00007f72b0dc5194 R08: 0000000000000001 R09: 0000000000000033 [ 42.248191] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f72b0df84cc [ 42.255444] R13: 00007f72b0d1f2f0 R14: 00007f72b0df84c8 R15: 0000000000000001 executing program [ 42.398539] FAULT_INJECTION: forcing a failure. [ 42.398539] name failslab, interval 1, probability 0, space 0, times 0 [ 42.409907] CPU: 1 PID: 8250 Comm: syz-executor767 Not tainted 4.19.207-syzkaller #0 [ 42.417785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.427151] Call Trace: [ 42.429740] dump_stack+0x1fc/0x2ef [ 42.433363] should_fail.cold+0xa/0xf [ 42.437150] ? setup_fault_attr+0x200/0x200 [ 42.441454] ? should_fail+0x142/0x7b0 [ 42.445320] ? lock_acquire+0x170/0x3c0 [ 42.449276] ? setup_fault_attr+0x200/0x200 [ 42.453576] __should_failslab+0x115/0x180 [ 42.457795] should_failslab+0x5/0x10 [ 42.461588] kmem_cache_alloc+0x3f/0x370 [ 42.465632] ? mempool_alloc+0x350/0x350 [ 42.469845] mempool_alloc+0x146/0x350 [ 42.473712] ? mempool_resize+0x790/0x790 [ 42.477846] ? mempool_resize+0x790/0x790 [ 42.481976] ? deref_stack_reg+0x1d0/0x1d0 [ 42.486196] bvec_alloc+0xdb/0x2f0 [ 42.489721] bio_alloc_bioset+0x42b/0x5e0 [ 42.493851] ? bvec_alloc+0x2f0/0x2f0 [ 42.497631] ? unwind_next_frame+0xeee/0x1400 [ 42.502109] mpage_alloc+0x2f/0x260 [ 42.505719] __mpage_writepage+0x102a/0x1570 [ 42.510109] ? page_mapped+0x17e/0x3c0 [ 42.513976] ? clean_buffers+0x290/0x290 [ 42.518017] ? page_mkclean+0x1a5/0x2b0 [ 42.521993] ? lock_downgrade+0x720/0x720 [ 42.526134] ? clear_page_dirty_for_io+0x2c8/0xee0 [ 42.531051] write_cache_pages+0x802/0x12d0 [ 42.535354] ? clean_buffers+0x290/0x290 [ 42.539397] ? clear_page_dirty_for_io+0xee0/0xee0 [ 42.544332] ? fat_add_cluster+0xf0/0xf0 [ 42.548373] ? fat_readpages+0x30/0x30 [ 42.552239] mpage_writepages+0xd1/0x230 [ 42.556298] ? __mpage_writepage+0x1570/0x1570 [ 42.560860] ? fat_add_cluster+0xf0/0xf0 [ 42.564902] ? mark_held_locks+0xf0/0xf0 [ 42.568944] ? mark_held_locks+0xf0/0xf0 [ 42.572987] ? mark_held_locks+0xf0/0xf0 [ 42.577030] do_writepages+0xe5/0x290 [ 42.580812] ? page_writeback_cpu_online+0x10/0x10 [ 42.585720] ? do_raw_spin_unlock+0x171/0x230 [ 42.590196] ? _raw_spin_unlock+0x29/0x40 [ 42.594326] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 42.599594] __filemap_fdatawrite_range+0x27d/0x350 [ 42.604592] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 42.609934] ? file_remove_privs+0x183/0x530 [ 42.614324] filemap_write_and_wait_range+0x46/0xd0 [ 42.619319] generic_file_direct_write+0x389/0x4a0 [ 42.624231] __generic_file_write_iter+0x2d0/0x610 [ 42.629141] generic_file_write_iter+0x3f8/0x730 [ 42.633877] aio_write+0x37f/0x5c0 [ 42.637401] ? mark_held_locks+0xf0/0xf0 [ 42.641442] ? aio_setup_rw.isra.0+0x110/0x110 [ 42.646004] ? lock_downgrade+0x720/0x720 [ 42.650132] ? should_fail+0x142/0x7b0 [ 42.654000] ? lock_downgrade+0x720/0x720 [ 42.658218] ? lock_acquire+0x170/0x3c0 [ 42.662177] ? __might_fault+0xef/0x1d0 [ 42.666135] io_submit_one+0xecd/0x20c0 [ 42.670096] ? lock_downgrade+0x720/0x720 [ 42.674226] ? aio_read+0x420/0x420 [ 42.677850] ? check_preemption_disabled+0x41/0x280 [ 42.682850] __se_sys_io_submit+0x11b/0x4a0 [ 42.687150] ? io_submit_one+0x20c0/0x20c0 [ 42.691365] ? ksys_write+0x1c8/0x2a0 [ 42.695152] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 42.700500] ? trace_hardirqs_off_caller+0x6e/0x210 [ 42.705498] do_syscall_64+0xf9/0x620 [ 42.709286] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 42.714455] RIP: 0033:0x7f72b0d72f69 [ 42.718147] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 42.737071] RSP: 002b:00007f72b0d1f2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 42.744761] RAX: ffffffffffffffda RBX: 00007f72b0df84c0 RCX: 00007f72b0d72f69 [ 42.752027] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f72b0cf6000 [ 42.759275] RBP: 00007f72b0dc5194 R08: 0000000000000001 R09: 0000000000000033 [ 42.766542] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f72b0df84cc [ 42.773790] R13: 00007f72b0d1f2f0 R14: 00007f72b0df84c8 R15: 0000000000000001 executing program [ 42.911562] FAULT_INJECTION: forcing a failure. [ 42.911562] name failslab, interval 1, probability 0, space 0, times 0 [ 42.922971] CPU: 1 PID: 8258 Comm: syz-executor767 Not tainted 4.19.207-syzkaller #0 [ 42.930856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.940467] Call Trace: [ 42.943068] dump_stack+0x1fc/0x2ef [ 42.946702] should_fail.cold+0xa/0xf [ 42.950509] ? setup_fault_attr+0x200/0x200 [ 42.954834] ? should_fail+0x142/0x7b0 [ 42.958727] ? lock_acquire+0x170/0x3c0 [ 42.962705] ? setup_fault_attr+0x200/0x200 [ 42.967052] __should_failslab+0x115/0x180 [ 42.971279] should_failslab+0x5/0x10 [ 42.975067] kmem_cache_alloc+0x3f/0x370 [ 42.979112] ? mempool_alloc+0x350/0x350 [ 42.983156] mempool_alloc+0x146/0x350 [ 42.987029] ? mempool_resize+0x790/0x790 [ 42.991163] ? mempool_resize+0x790/0x790 [ 42.995342] ? deref_stack_reg+0x1d0/0x1d0 [ 42.999559] bvec_alloc+0xdb/0x2f0 [ 43.003082] bio_alloc_bioset+0x42b/0x5e0 [ 43.007254] ? bvec_alloc+0x2f0/0x2f0 [ 43.011225] ? unwind_next_frame+0xeee/0x1400 [ 43.015707] mpage_alloc+0x2f/0x260 [ 43.019329] __mpage_writepage+0x102a/0x1570 [ 43.023723] ? page_mapped+0x17e/0x3c0 [ 43.027591] ? clean_buffers+0x290/0x290 [ 43.031633] ? page_mkclean+0x1a5/0x2b0 [ 43.035589] ? lock_downgrade+0x720/0x720 [ 43.039724] ? clear_page_dirty_for_io+0x2c8/0xee0 [ 43.044639] write_cache_pages+0x802/0x12d0 [ 43.048944] ? clean_buffers+0x290/0x290 [ 43.052986] ? clear_page_dirty_for_io+0xee0/0xee0 [ 43.057899] ? fat_add_cluster+0xf0/0xf0 [ 43.061939] ? fat_readpages+0x30/0x30 [ 43.065806] mpage_writepages+0xd1/0x230 [ 43.069853] ? __mpage_writepage+0x1570/0x1570 [ 43.074418] ? fat_add_cluster+0xf0/0xf0 [ 43.078460] ? mark_held_locks+0xf0/0xf0 [ 43.082517] ? mark_held_locks+0xf0/0xf0 [ 43.086560] ? mark_held_locks+0xf0/0xf0 [ 43.090604] do_writepages+0xe5/0x290 [ 43.094386] ? page_writeback_cpu_online+0x10/0x10 [ 43.099299] ? do_raw_spin_unlock+0x171/0x230 [ 43.103776] ? _raw_spin_unlock+0x29/0x40 [ 43.107905] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 43.113162] __filemap_fdatawrite_range+0x27d/0x350 [ 43.118158] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 43.123505] ? file_remove_privs+0x183/0x530 [ 43.127897] filemap_write_and_wait_range+0x46/0xd0 [ 43.132893] generic_file_direct_write+0x389/0x4a0 [ 43.137804] __generic_file_write_iter+0x2d0/0x610 [ 43.142712] generic_file_write_iter+0x3f8/0x730 [ 43.147449] aio_write+0x37f/0x5c0 [ 43.150971] ? mark_held_locks+0xf0/0xf0 [ 43.155034] ? aio_setup_rw.isra.0+0x110/0x110 [ 43.159599] ? lock_downgrade+0x720/0x720 [ 43.163727] ? should_fail+0x142/0x7b0 [ 43.167594] ? lock_downgrade+0x720/0x720 [ 43.171722] ? lock_acquire+0x170/0x3c0 [ 43.175674] ? __might_fault+0xef/0x1d0 [ 43.179632] io_submit_one+0xecd/0x20c0 [ 43.183601] ? lock_downgrade+0x720/0x720 [ 43.187729] ? aio_read+0x420/0x420 [ 43.191338] ? check_preemption_disabled+0x41/0x280 [ 43.196342] __se_sys_io_submit+0x11b/0x4a0 [ 43.200646] ? io_submit_one+0x20c0/0x20c0 [ 43.204859] ? ksys_write+0x1c8/0x2a0 [ 43.208645] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 43.213991] ? trace_hardirqs_off_caller+0x6e/0x210 [ 43.218987] do_syscall_64+0xf9/0x620 [ 43.222856] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 43.228124] RIP: 0033:0x7f72b0d72f69 [ 43.231822] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 43.250698] RSP: 002b:00007f72b0d1f2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 43.258383] RAX: ffffffffffffffda RBX: 00007f72b0df84c0 RCX: 00007f72b0d72f69 [ 43.265628] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f72b0cf6000 [ 43.272878] RBP: 00007f72b0dc5194 R08: 0000000000000001 R09: 0000000000000033 [ 43.280123] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f72b0df84cc [ 43.287370] R13: 00007f72b0d1f2f0 R14: 00007f72b0df84c8 R15: 0000000000000001 executing program [ 43.475222] FAULT_INJECTION: forcing a failure. [ 43.475222] name failslab, interval 1, probability 0, space 0, times 0 [ 43.486613] CPU: 0 PID: 8267 Comm: syz-executor767 Not tainted 4.19.207-syzkaller #0 [ 43.494497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.503853] Call Trace: [ 43.506444] dump_stack+0x1fc/0x2ef [ 43.510076] should_fail.cold+0xa/0xf [ 43.513881] ? setup_fault_attr+0x200/0x200 [ 43.518194] ? should_fail+0x142/0x7b0 [ 43.522061] ? lock_acquire+0x170/0x3c0 [ 43.526013] ? setup_fault_attr+0x200/0x200 [ 43.530310] __should_failslab+0x115/0x180 [ 43.534523] should_failslab+0x5/0x10 [ 43.538300] kmem_cache_alloc+0x3f/0x370 [ 43.542397] ? mempool_alloc+0x350/0x350 [ 43.546434] mempool_alloc+0x146/0x350 [ 43.550302] ? mempool_resize+0x790/0x790 [ 43.554431] ? mempool_resize+0x790/0x790 [ 43.558645] ? deref_stack_reg+0x1d0/0x1d0 [ 43.562863] bvec_alloc+0xdb/0x2f0 [ 43.566381] bio_alloc_bioset+0x42b/0x5e0 [ 43.570508] ? bvec_alloc+0x2f0/0x2f0 [ 43.574287] ? unwind_next_frame+0xeee/0x1400 [ 43.578761] mpage_alloc+0x2f/0x260 [ 43.582367] __mpage_writepage+0x102a/0x1570 [ 43.586757] ? page_mapped+0x17e/0x3c0 [ 43.590625] ? clean_buffers+0x290/0x290 [ 43.594667] ? page_mkclean+0x1a5/0x2b0 [ 43.598626] ? lock_downgrade+0x720/0x720 [ 43.602753] ? clear_page_dirty_for_io+0x2c8/0xee0 [ 43.607661] write_cache_pages+0x802/0x12d0 [ 43.611964] ? clean_buffers+0x290/0x290 [ 43.616009] ? clear_page_dirty_for_io+0xee0/0xee0 [ 43.620934] ? fat_add_cluster+0xf0/0xf0 [ 43.624974] ? fat_readpages+0x30/0x30 [ 43.628843] mpage_writepages+0xd1/0x230 [ 43.632883] ? __mpage_writepage+0x1570/0x1570 [ 43.637443] ? fat_add_cluster+0xf0/0xf0 [ 43.641493] ? mark_held_locks+0xf0/0xf0 [ 43.645539] ? mark_held_locks+0xf0/0xf0 [ 43.649591] ? mark_held_locks+0xf0/0xf0 [ 43.653634] do_writepages+0xe5/0x290 [ 43.657429] ? page_writeback_cpu_online+0x10/0x10 [ 43.662352] ? do_raw_spin_unlock+0x171/0x230 [ 43.666829] ? _raw_spin_unlock+0x29/0x40 [ 43.670966] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 43.676225] __filemap_fdatawrite_range+0x27d/0x350 [ 43.681232] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 43.686606] ? file_remove_privs+0x183/0x530 [ 43.691004] filemap_write_and_wait_range+0x46/0xd0 [ 43.696003] generic_file_direct_write+0x389/0x4a0 [ 43.700913] __generic_file_write_iter+0x2d0/0x610 [ 43.705823] generic_file_write_iter+0x3f8/0x730 [ 43.710572] aio_write+0x37f/0x5c0 [ 43.714093] ? mark_held_locks+0xf0/0xf0 [ 43.718131] ? aio_setup_rw.isra.0+0x110/0x110 [ 43.722694] ? lock_downgrade+0x720/0x720 [ 43.726836] ? should_fail+0x142/0x7b0 [ 43.730705] ? lock_downgrade+0x720/0x720 [ 43.734834] ? lock_acquire+0x170/0x3c0 [ 43.738787] ? __might_fault+0xef/0x1d0 [ 43.742743] io_submit_one+0xecd/0x20c0 [ 43.746708] ? lock_downgrade+0x720/0x720 [ 43.750835] ? aio_read+0x420/0x420 [ 43.754455] ? check_preemption_disabled+0x41/0x280 [ 43.759453] __se_sys_io_submit+0x11b/0x4a0 [ 43.763754] ? io_submit_one+0x20c0/0x20c0 [ 43.767973] ? ksys_write+0x1c8/0x2a0 [ 43.771754] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 43.777095] ? trace_hardirqs_off_caller+0x6e/0x210 [ 43.782092] do_syscall_64+0xf9/0x620 [ 43.785872] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 43.791046] RIP: 0033:0x7f72b0d72f69 [ 43.794747] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 43.813626] RSP: 002b:00007f72b0d1f2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 43.821313] RAX: ffffffffffffffda RBX: 00007f72b0df84c0 RCX: 00007f72b0d72f69 [ 43.828561] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f72b0cf6000 [ 43.835825] RBP: 00007f72b0dc5194 R08: 0000000000000001 R09: 0000000000000033 [ 43.843075] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f72b0df84cc [ 43.850326] R13: 00007f72b0d1f2f0 R14: 00007f72b0df84c8 R15: 0000000000000001 executing program [ 43.983858] FAULT_INJECTION: forcing a failure. [ 43.983858] name failslab, interval 1, probability 0, space 0, times 0 [ 43.995148] CPU: 1 PID: 8278 Comm: syz-executor767 Not tainted 4.19.207-syzkaller #0 [ 44.003109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.012441] Call Trace: [ 44.015012] dump_stack+0x1fc/0x2ef [ 44.018626] should_fail.cold+0xa/0xf [ 44.022414] ? setup_fault_attr+0x200/0x200 [ 44.026716] ? should_fail+0x142/0x7b0 [ 44.030579] ? setup_fault_attr+0x200/0x200 [ 44.034877] ? finish_task_switch+0x118/0x760 [ 44.039352] __should_failslab+0x115/0x180 [ 44.043579] should_failslab+0x5/0x10 [ 44.047356] kmem_cache_alloc+0x3f/0x370 [ 44.051394] ? mempool_alloc+0x350/0x350 [ 44.055434] mempool_alloc+0x146/0x350 [ 44.059301] ? mempool_resize+0x790/0x790 [ 44.063462] ? mempool_resize+0x790/0x790 [ 44.067621] ? deref_stack_reg+0x1d0/0x1d0 [ 44.071835] bvec_alloc+0xdb/0x2f0 [ 44.075351] bio_alloc_bioset+0x42b/0x5e0 [ 44.079479] ? bvec_alloc+0x2f0/0x2f0 [ 44.083256] ? unwind_next_frame+0xeee/0x1400 [ 44.087730] mpage_alloc+0x2f/0x260 [ 44.091337] __mpage_writepage+0x102a/0x1570 [ 44.095730] ? page_mapped+0x17e/0x3c0 [ 44.099596] ? clean_buffers+0x290/0x290 [ 44.103638] ? page_mkclean+0x1a5/0x2b0 [ 44.107593] ? lock_downgrade+0x720/0x720 [ 44.111724] ? clear_page_dirty_for_io+0x2c8/0xee0 [ 44.116636] write_cache_pages+0x802/0x12d0 [ 44.120940] ? clean_buffers+0x290/0x290 [ 44.124983] ? clear_page_dirty_for_io+0xee0/0xee0 [ 44.129896] ? fat_add_cluster+0xf0/0xf0 [ 44.133934] ? fat_readpages+0x30/0x30 [ 44.137804] mpage_writepages+0xd1/0x230 [ 44.141845] ? __mpage_writepage+0x1570/0x1570 [ 44.146406] ? fat_add_cluster+0xf0/0xf0 [ 44.150445] ? mark_held_locks+0xf0/0xf0 [ 44.154483] ? mark_held_locks+0xf0/0xf0 [ 44.158523] ? mark_held_locks+0xf0/0xf0 [ 44.162567] do_writepages+0xe5/0x290 [ 44.166347] ? page_writeback_cpu_online+0x10/0x10 [ 44.171254] ? do_raw_spin_unlock+0x171/0x230 [ 44.175729] ? _raw_spin_unlock+0x29/0x40 [ 44.179858] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 44.185201] __filemap_fdatawrite_range+0x27d/0x350 [ 44.190284] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 44.195629] ? file_remove_privs+0x183/0x530 [ 44.200453] filemap_write_and_wait_range+0x46/0xd0 [ 44.205451] generic_file_direct_write+0x389/0x4a0 [ 44.210456] __generic_file_write_iter+0x2d0/0x610 [ 44.215375] generic_file_write_iter+0x3f8/0x730 [ 44.220113] aio_write+0x37f/0x5c0 [ 44.223631] ? mark_held_locks+0xf0/0xf0 [ 44.227772] ? aio_setup_rw.isra.0+0x110/0x110 [ 44.232343] ? lock_downgrade+0x720/0x720 [ 44.236476] ? should_fail+0x142/0x7b0 [ 44.240359] ? lock_downgrade+0x720/0x720 [ 44.244485] ? lock_acquire+0x170/0x3c0 [ 44.248437] ? __might_fault+0xef/0x1d0 [ 44.252394] io_submit_one+0xecd/0x20c0 [ 44.256348] ? lock_downgrade+0x720/0x720 [ 44.260472] ? aio_read+0x420/0x420 [ 44.264081] ? check_preemption_disabled+0x41/0x280 [ 44.269076] __se_sys_io_submit+0x11b/0x4a0 [ 44.273376] ? io_submit_one+0x20c0/0x20c0 [ 44.277588] ? ksys_write+0x1c8/0x2a0 [ 44.281369] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 44.286711] ? trace_hardirqs_off_caller+0x6e/0x210 [ 44.291707] do_syscall_64+0xf9/0x620 [ 44.295486] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 44.300656] RIP: 0033:0x7f72b0d72f69 [ 44.304354] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 44.323244] RSP: 002b:00007f72b0d1f2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 44.330945] RAX: ffffffffffffffda RBX: 00007f72b0df84c0 RCX: 00007f72b0d72f69 [ 44.338190] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f72b0cf6000 [ 44.345437] RBP: 00007f72b0dc5194 R08: 0000000000000001 R09: 0000000000000033 [ 44.352877] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f72b0df84cc [ 44.360127] R13: 00007f72b0d1f2f0 R14: 00007f72b0df84c8 R15: 0000000000000001 executing program [ 44.536018] FAULT_INJECTION: forcing a failure. [ 44.536018] name failslab, interval 1, probability 0, space 0, times 0 [ 44.547427] CPU: 0 PID: 8285 Comm: syz-executor767 Not tainted 4.19.207-syzkaller #0 [ 44.555307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.564653] Call Trace: [ 44.567246] dump_stack+0x1fc/0x2ef [ 44.570874] should_fail.cold+0xa/0xf [ 44.574674] ? setup_fault_attr+0x200/0x200 [ 44.578987] ? should_fail+0x142/0x7b0 [ 44.582856] ? lock_acquire+0x170/0x3c0 [ 44.586807] ? setup_fault_attr+0x200/0x200 [ 44.591108] __should_failslab+0x115/0x180 [ 44.595322] should_failslab+0x5/0x10 [ 44.599102] kmem_cache_alloc+0x3f/0x370 [ 44.603143] ? mempool_alloc+0x350/0x350 [ 44.607181] mempool_alloc+0x146/0x350 [ 44.611046] ? mempool_resize+0x790/0x790 [ 44.615172] ? mempool_resize+0x790/0x790 [ 44.619302] ? deref_stack_reg+0x1d0/0x1d0 [ 44.623557] bvec_alloc+0xdb/0x2f0 [ 44.627074] bio_alloc_bioset+0x42b/0x5e0 [ 44.631235] ? bvec_alloc+0x2f0/0x2f0 [ 44.635014] ? unwind_next_frame+0xeee/0x1400 [ 44.639491] mpage_alloc+0x2f/0x260 [ 44.643095] __mpage_writepage+0x102a/0x1570 [ 44.647482] ? page_mapped+0x17e/0x3c0 [ 44.651347] ? clean_buffers+0x290/0x290 [ 44.655387] ? page_mkclean+0x1a5/0x2b0 [ 44.659379] ? lock_downgrade+0x720/0x720 [ 44.663506] ? clear_page_dirty_for_io+0x2c8/0xee0 [ 44.668413] write_cache_pages+0x802/0x12d0 [ 44.672715] ? clean_buffers+0x290/0x290 [ 44.676758] ? clear_page_dirty_for_io+0xee0/0xee0 [ 44.681672] ? fat_add_cluster+0xf0/0xf0 [ 44.685713] ? fat_readpages+0x30/0x30 [ 44.689611] mpage_writepages+0xd1/0x230 [ 44.693652] ? __mpage_writepage+0x1570/0x1570 [ 44.698241] ? fat_add_cluster+0xf0/0xf0 [ 44.702280] ? mark_held_locks+0xf0/0xf0 [ 44.706319] ? mark_held_locks+0xf0/0xf0 [ 44.710361] ? mark_held_locks+0xf0/0xf0 [ 44.714401] do_writepages+0xe5/0x290 [ 44.718181] ? page_writeback_cpu_online+0x10/0x10 [ 44.723088] ? do_raw_spin_unlock+0x171/0x230 [ 44.727574] ? _raw_spin_unlock+0x29/0x40 [ 44.731699] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 44.736952] __filemap_fdatawrite_range+0x27d/0x350 [ 44.741957] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 44.747300] ? file_remove_privs+0x183/0x530 [ 44.751703] filemap_write_and_wait_range+0x46/0xd0 [ 44.756697] generic_file_direct_write+0x389/0x4a0 [ 44.761606] __generic_file_write_iter+0x2d0/0x610 [ 44.766513] generic_file_write_iter+0x3f8/0x730 [ 44.771249] aio_write+0x37f/0x5c0 [ 44.774767] ? mark_held_locks+0xf0/0xf0 [ 44.778814] ? aio_setup_rw.isra.0+0x110/0x110 [ 44.783373] ? lock_downgrade+0x720/0x720 [ 44.787500] ? should_fail+0x142/0x7b0 [ 44.791365] ? lock_downgrade+0x720/0x720 [ 44.795488] ? lock_acquire+0x170/0x3c0 [ 44.799442] ? __might_fault+0xef/0x1d0 [ 44.803409] io_submit_one+0xecd/0x20c0 [ 44.807366] ? lock_downgrade+0x720/0x720 [ 44.811494] ? aio_read+0x420/0x420 [ 44.815101] ? check_preemption_disabled+0x41/0x280 [ 44.820096] __se_sys_io_submit+0x11b/0x4a0 [ 44.824395] ? io_submit_one+0x20c0/0x20c0 [ 44.828609] ? ksys_write+0x1c8/0x2a0 [ 44.832389] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 44.837748] ? trace_hardirqs_off_caller+0x6e/0x210 [ 44.842752] do_syscall_64+0xf9/0x620 [ 44.846534] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 44.851700] RIP: 0033:0x7f72b0d72f69 [ 44.855390] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 44.874268] RSP: 002b:00007f72b0d1f2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1