Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.237' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 28.495056] FAULT_INJECTION: forcing a failure. [ 28.495056] name failslab, interval 1, probability 0, space 0, times 1 [ 28.514575] CPU: 1 PID: 7969 Comm: syz-executor768 Not tainted 4.14.260-syzkaller #0 [ 28.522454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.531784] Call Trace: [ 28.534355] dump_stack+0x1b2/0x281 [ 28.537965] should_fail.cold+0x10a/0x149 [ 28.542088] ? __read_once_size_nocheck.constprop.0+0x10/0x10 [ 28.547948] ? mempool_free+0x1d0/0x1d0 [ 28.551896] should_failslab+0xd6/0x130 [ 28.555846] kmem_cache_alloc+0x40/0x3c0 [ 28.559899] ? mempool_free+0x1d0/0x1d0 [ 28.563855] mempool_alloc+0x10e/0x2d0 [ 28.567722] ? remove_element.isra.0+0x1b0/0x1b0 [ 28.572456] ? __lock_acquire+0x5fc/0x3f20 [ 28.576672] bio_alloc_bioset+0x41b/0x830 [ 28.580971] ? bvec_alloc+0x2d0/0x2d0 [ 28.584748] ? __lock_acquire+0x5fc/0x3f20 [ 28.588964] mpage_alloc+0x56/0x2b0 [ 28.592583] __mpage_writepage+0xb33/0x11e0 [ 28.596910] ? lock_downgrade+0x740/0x740 [ 28.601036] ? clean_buffers.part.0+0x1b0/0x1b0 [ 28.605687] ? check_preemption_disabled+0x35/0x240 [ 28.610682] ? lock_downgrade+0x740/0x740 [ 28.614810] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 28.620240] write_cache_pages+0x505/0xd20 [ 28.624459] ? clean_buffers.part.0+0x1b0/0x1b0 [ 28.629105] ? clear_page_dirty_for_io+0xb80/0xb80 [ 28.634012] ? __lock_acquire+0x5fc/0x3f20 [ 28.638231] ? fat_add_cluster+0xc0/0xc0 [ 28.642704] ? fat_readpages+0x30/0x30 [ 28.646570] mpage_writepages+0xbe/0x1f0 [ 28.650608] ? __mpage_writepage+0x11e0/0x11e0 [ 28.655200] ? fat_add_cluster+0xc0/0xc0 [ 28.659240] ? __lock_acquire+0x5fc/0x3f20 [ 28.663453] ? trace_hardirqs_on+0x10/0x10 [ 28.667665] ? deref_stack_reg+0x124/0x1a0 [ 28.671882] do_writepages+0xc3/0x240 [ 28.675662] ? page_writeback_cpu_online+0x10/0x10 [ 28.680575] ? lock_acquire+0x170/0x3f0 [ 28.684524] ? do_raw_spin_unlock+0x164/0x220 [ 28.688994] ? _raw_spin_unlock+0x29/0x40 [ 28.693119] ? wbc_attach_and_unlock_inode+0x5e8/0x8d0 [ 28.698382] __filemap_fdatawrite_range+0x236/0x310 [ 28.703382] ? replace_page_cache_page+0x700/0x700 [ 28.708288] ? current_kernel_time64+0x17c/0x230 [ 28.713025] filemap_write_and_wait_range+0x39/0xb0 [ 28.718106] generic_file_direct_write+0x31f/0x420 [ 28.723020] __generic_file_write_iter+0x2a2/0x590 [ 28.727931] generic_file_write_iter+0x36f/0x650 [ 28.732671] aio_write+0x2ed/0x560 [ 28.736188] ? trace_hardirqs_on+0x10/0x10 [ 28.740413] ? aio_read+0x390/0x390 [ 28.744016] ? cache_alloc_refill+0x2fa/0x350 [ 28.748640] ? lock_acquire+0x170/0x3f0 [ 28.752600] ? lock_downgrade+0x740/0x740 [ 28.756735] do_io_submit+0x847/0x1570 [ 28.760613] ? __mutex_unlock_slowpath+0x75/0x770 [ 28.765462] ? aio_write+0x560/0x560 [ 28.769161] ? fput_many+0xe/0x140 [ 28.772691] ? do_syscall_64+0x4c/0x640 [ 28.776919] ? SyS_io_destroy+0x340/0x340 [ 28.781044] do_syscall_64+0x1d5/0x640 [ 28.784911] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 28.790080] RIP: 0033:0x7f17a7145cf9 [ 28.793895] RSP: 002b:00007f17a70f22e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 28.801584] RAX: ffffffffffffffda RBX: 00007f17a71ca4c0 RCX: 00007f17a7145cf9 [ 28.808835] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f17a70c9000 [ 28.816146] RBP: 00007f17a71970d0 R08: 0000000000000001 R09: 0000000000000033 [ 28.823490] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f17a71ca4cc [ 28.830744] R13: 00007f17a70f22f0 R14: 00007f17a71ca4c8 R15: 0000000000000001 executing program [ 29.016647] FAULT_INJECTION: forcing a failure. [ 29.016647] name failslab, interval 1, probability 0, space 0, times 0 [ 29.030017] CPU: 1 PID: 7978 Comm: syz-executor768 Not tainted 4.14.260-syzkaller #0 [ 29.037907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.047258] Call Trace: [ 29.049858] dump_stack+0x1b2/0x281 [ 29.053475] should_fail.cold+0x10a/0x149 [ 29.057602] ? mempool_free+0x1d0/0x1d0 [ 29.061551] should_failslab+0xd6/0x130 [ 29.065502] kmem_cache_alloc+0x40/0x3c0 [ 29.069543] ? mempool_free+0x1d0/0x1d0 [ 29.073491] mempool_alloc+0x10e/0x2d0 [ 29.077354] ? mempool_free+0x1d0/0x1d0 [ 29.081308] ? remove_element.isra.0+0x1b0/0x1b0 [ 29.086041] ? remove_element.isra.0+0x1b0/0x1b0 [ 29.090861] ? __lock_acquire+0x5fc/0x3f20 [ 29.095073] bvec_alloc+0xcc/0x2d0 [ 29.098592] bio_alloc_bioset+0x585/0x830 [ 29.102716] ? bvec_alloc+0x2d0/0x2d0 [ 29.106493] ? __lock_acquire+0x5fc/0x3f20 [ 29.110709] mpage_alloc+0x56/0x2b0 [ 29.114314] __mpage_writepage+0xb33/0x11e0 [ 29.118700] ? lock_downgrade+0x740/0x740 [ 29.122826] ? clean_buffers.part.0+0x1b0/0x1b0 [ 29.127477] ? check_preemption_disabled+0x35/0x240 [ 29.132472] ? lock_downgrade+0x740/0x740 [ 29.136601] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 29.142028] write_cache_pages+0x505/0xd20 [ 29.146239] ? clean_buffers.part.0+0x1b0/0x1b0 [ 29.150885] ? clear_page_dirty_for_io+0xb80/0xb80 [ 29.155798] ? fat_add_cluster+0xc0/0xc0 [ 29.159837] ? fat_readpages+0x30/0x30 [ 29.163702] mpage_writepages+0xbe/0x1f0 [ 29.167739] ? __mpage_writepage+0x11e0/0x11e0 [ 29.172303] ? fat_add_cluster+0xc0/0xc0 [ 29.176345] ? trace_hardirqs_on+0x10/0x10 [ 29.180553] ? trace_hardirqs_on+0x10/0x10 [ 29.184762] ? deref_stack_reg+0x124/0x1a0 [ 29.188976] do_writepages+0xc3/0x240 [ 29.192755] ? page_writeback_cpu_online+0x10/0x10 [ 29.197660] ? lock_acquire+0x170/0x3f0 [ 29.201609] ? do_raw_spin_unlock+0x164/0x220 [ 29.206086] ? _raw_spin_unlock+0x29/0x40 [ 29.210210] ? wbc_attach_and_unlock_inode+0x5e8/0x8d0 [ 29.215464] __filemap_fdatawrite_range+0x236/0x310 [ 29.220455] ? replace_page_cache_page+0x700/0x700 [ 29.225359] ? current_kernel_time64+0x17c/0x230 [ 29.230095] filemap_write_and_wait_range+0x39/0xb0 [ 29.235089] generic_file_direct_write+0x31f/0x420 [ 29.239997] __generic_file_write_iter+0x2a2/0x590 [ 29.244907] generic_file_write_iter+0x36f/0x650 [ 29.249651] aio_write+0x2ed/0x560 [ 29.253170] ? trace_hardirqs_on+0x10/0x10 [ 29.257382] ? aio_read+0x390/0x390 [ 29.260985] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 29.266064] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 29.270799] ? lock_acquire+0x170/0x3f0 [ 29.274748] ? lock_downgrade+0x740/0x740 [ 29.278874] do_io_submit+0x847/0x1570 [ 29.282742] ? __mutex_unlock_slowpath+0x75/0x770 [ 29.287560] ? aio_write+0x560/0x560 [ 29.291252] ? fput_many+0xe/0x140 [ 29.294769] ? do_syscall_64+0x4c/0x640 [ 29.298717] ? SyS_io_destroy+0x340/0x340 [ 29.302843] do_syscall_64+0x1d5/0x640 [ 29.306724] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 29.311889] RIP: 0033:0x7f17a7145cf9 [ 29.315576] RSP: 002b:00007f17a70f22e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 29.323373] RAX: ffffffffffffffda RBX: 00007f17a71ca4c0 RCX: 00007f17a7145cf9 [ 29.330622] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f17a70c9000 [ 29.337866] RBP: 00007f17a71970d0 R08: 0000000000000001 R09: 0000000000000033 [ 29.345110] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f17a71ca4cc [ 29.352355] R13: 00007f17a70f22f0 R14: 00007f17a71ca4c8 R15: 0000000000000001 executing program [ 29.516214] FAULT_INJECTION: forcing a failure. [ 29.516214] name failslab, interval 1, probability 0, space 0, times 0 [ 29.528723] CPU: 0 PID: 7988 Comm: syz-executor768 Not tainted 4.14.260-syzkaller #0 [ 29.536789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.546221] Call Trace: [ 29.548822] dump_stack+0x1b2/0x281 [ 29.552432] should_fail.cold+0x10a/0x149 [ 29.556559] ? mempool_free+0x1d0/0x1d0 [ 29.560516] should_failslab+0xd6/0x130 [ 29.564472] kmem_cache_alloc+0x40/0x3c0 [ 29.568509] ? mempool_free+0x1d0/0x1d0 [ 29.572467] mempool_alloc+0x10e/0x2d0 [ 29.576335] ? mempool_free+0x1d0/0x1d0 [ 29.580286] ? remove_element.isra.0+0x1b0/0x1b0 [ 29.585022] ? remove_element.isra.0+0x1b0/0x1b0 [ 29.589756] ? __lock_acquire+0x5fc/0x3f20 [ 29.594145] bvec_alloc+0xcc/0x2d0 [ 29.597674] bio_alloc_bioset+0x585/0x830 [ 29.601814] ? bvec_alloc+0x2d0/0x2d0 [ 29.605597] ? __lock_acquire+0x5fc/0x3f20 [ 29.609812] mpage_alloc+0x56/0x2b0 [ 29.613423] __mpage_writepage+0xb33/0x11e0 [ 29.617728] ? lock_downgrade+0x740/0x740 [ 29.621878] ? clean_buffers.part.0+0x1b0/0x1b0 [ 29.626530] ? check_preemption_disabled+0x35/0x240 [ 29.631523] ? lock_downgrade+0x740/0x740 [ 29.635655] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 29.641083] write_cache_pages+0x505/0xd20 [ 29.645307] ? clean_buffers.part.0+0x1b0/0x1b0 [ 29.649959] ? clear_page_dirty_for_io+0xb80/0xb80 [ 29.654873] ? fat_add_cluster+0xc0/0xc0 [ 29.658909] ? fat_readpages+0x30/0x30 [ 29.662773] mpage_writepages+0xbe/0x1f0 [ 29.666816] ? __mpage_writepage+0x11e0/0x11e0 [ 29.671383] ? fat_add_cluster+0xc0/0xc0 [ 29.675513] ? trace_hardirqs_on+0x10/0x10 [ 29.679727] ? trace_hardirqs_on+0x10/0x10 [ 29.683942] ? deref_stack_reg+0x124/0x1a0 [ 29.688154] do_writepages+0xc3/0x240 [ 29.691959] ? page_writeback_cpu_online+0x10/0x10 [ 29.696868] ? lock_acquire+0x170/0x3f0 [ 29.700816] ? do_raw_spin_unlock+0x164/0x220 [ 29.705291] ? _raw_spin_unlock+0x29/0x40 [ 29.709421] ? wbc_attach_and_unlock_inode+0x5e8/0x8d0 [ 29.714683] __filemap_fdatawrite_range+0x236/0x310 [ 29.719677] ? replace_page_cache_page+0x700/0x700 [ 29.724586] ? current_kernel_time64+0x17c/0x230 [ 29.729332] filemap_write_and_wait_range+0x39/0xb0 [ 29.734326] generic_file_direct_write+0x31f/0x420 [ 29.739236] __generic_file_write_iter+0x2a2/0x590 [ 29.744145] generic_file_write_iter+0x36f/0x650 [ 29.748881] aio_write+0x2ed/0x560 [ 29.752397] ? trace_hardirqs_on+0x10/0x10 [ 29.756608] ? aio_read+0x390/0x390 [ 29.760209] ? cache_alloc_refill+0x1da/0x350 [ 29.764685] ? lock_acquire+0x170/0x3f0 [ 29.768635] ? lock_downgrade+0x740/0x740 [ 29.772766] do_io_submit+0x847/0x1570 [ 29.776636] ? __mutex_unlock_slowpath+0x75/0x770 [ 29.781455] ? aio_write+0x560/0x560 [ 29.785149] ? fput_many+0xe/0x140 [ 29.788676] ? do_syscall_64+0x4c/0x640 [ 29.792627] ? SyS_io_destroy+0x340/0x340 [ 29.796750] do_syscall_64+0x1d5/0x640 [ 29.800616] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 29.805780] RIP: 0033:0x7f17a7145cf9 [ 29.809467] RSP: 002b:00007f17a70f22e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 29.817155] RAX: ffffffffffffffda RBX: 00007f17a71ca4c0 RCX: 00007f17a7145cf9 [ 29.824402] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f17a70c9000 [ 29.831648] RBP: 00007f17a71970d0 R08: 0000000000000001 R09: 0000000000000033 [ 29.838897] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f17a71ca4cc [ 29.846141] R13: 00007f17a70f22f0 R14: 00007f17a71ca4c8 R15: 0000000000000001 executing program [ 29.994644] FAULT_INJECTION: forcing a failure. [ 29.994644] name failslab, interval 1, probability 0, space 0, times 0 [ 30.006868] CPU: 0 PID: 7997 Comm: syz-executor768 Not tainted 4.14.260-syzkaller #0 [ 30.014752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.024108] Call Trace: [ 30.026695] dump_stack+0x1b2/0x281 [ 30.030330] should_fail.cold+0x10a/0x149 [ 30.034483] ? mempool_free+0x1d0/0x1d0 [ 30.038468] should_failslab+0xd6/0x130 [ 30.042443] kmem_cache_alloc+0x40/0x3c0 [ 30.046521] ? mempool_free+0x1d0/0x1d0 [ 30.050494] mempool_alloc+0x10e/0x2d0 [ 30.054460] ? mempool_free+0x1d0/0x1d0 [ 30.058410] ? remove_element.isra.0+0x1b0/0x1b0 [ 30.063143] ? remove_element.isra.0+0x1b0/0x1b0 [ 30.067881] ? __lock_acquire+0x5fc/0x3f20 [ 30.072094] bvec_alloc+0xcc/0x2d0 [ 30.075612] bio_alloc_bioset+0x585/0x830 [ 30.079738] ? bvec_alloc+0x2d0/0x2d0 [ 30.083516] ? __lock_acquire+0x5fc/0x3f20 [ 30.087816] mpage_alloc+0x56/0x2b0 [ 30.091419] __mpage_writepage+0xb33/0x11e0 [ 30.095721] ? lock_downgrade+0x740/0x740 [ 30.099848] ? clean_buffers.part.0+0x1b0/0x1b0 [ 30.104497] ? check_preemption_disabled+0x35/0x240 [ 30.109488] ? lock_downgrade+0x740/0x740 [ 30.113614] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 30.119039] write_cache_pages+0x505/0xd20 [ 30.123253] ? clean_buffers.part.0+0x1b0/0x1b0 [ 30.127911] ? clear_page_dirty_for_io+0xb80/0xb80 [ 30.132909] ? fat_add_cluster+0xc0/0xc0 [ 30.136947] ? fat_readpages+0x30/0x30 [ 30.140819] mpage_writepages+0xbe/0x1f0 [ 30.144946] ? __mpage_writepage+0x11e0/0x11e0 [ 30.149506] ? fat_add_cluster+0xc0/0xc0 [ 30.153547] ? trace_hardirqs_on+0x10/0x10 [ 30.157756] ? trace_hardirqs_on+0x10/0x10 [ 30.161968] ? deref_stack_reg+0x124/0x1a0 [ 30.166268] do_writepages+0xc3/0x240 [ 30.170132] ? page_writeback_cpu_online+0x10/0x10 [ 30.175038] ? lock_acquire+0x170/0x3f0 [ 30.178987] ? do_raw_spin_unlock+0x164/0x220 [ 30.183463] ? _raw_spin_unlock+0x29/0x40 [ 30.187585] ? wbc_attach_and_unlock_inode+0x5e8/0x8d0 [ 30.192837] __filemap_fdatawrite_range+0x236/0x310 [ 30.197829] ? replace_page_cache_page+0x700/0x700 [ 30.202731] ? current_kernel_time64+0x17c/0x230 [ 30.207618] filemap_write_and_wait_range+0x39/0xb0 [ 30.212618] generic_file_direct_write+0x31f/0x420 [ 30.217651] __generic_file_write_iter+0x2a2/0x590 [ 30.222622] generic_file_write_iter+0x36f/0x650 [ 30.227369] aio_write+0x2ed/0x560 [ 30.230892] ? trace_hardirqs_on+0x10/0x10 [ 30.235107] ? aio_read+0x390/0x390 [ 30.238713] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 30.243711] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 30.248452] ? lock_acquire+0x170/0x3f0 [ 30.252409] ? lock_downgrade+0x740/0x740 [ 30.256542] do_io_submit+0x847/0x1570 [ 30.260413] ? __mutex_unlock_slowpath+0x75/0x770 [ 30.265234] ? aio_write+0x560/0x560 [ 30.269040] ? fput_many+0xe/0x140 [ 30.272558] ? do_syscall_64+0x4c/0x640 [ 30.276508] ? SyS_io_destroy+0x340/0x340 [ 30.280632] do_syscall_64+0x1d5/0x640 [ 30.284498] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 30.289665] RIP: 0033:0x7f17a7145cf9 [ 30.293353] RSP: 002b:00007f17a70f22e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 30.301038] RAX: ffffffffffffffda RBX: 00007f17a71ca4c0 RCX: 00007f17a7145cf9 [ 30.308286] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f17a70c9000 [ 30.315532] RBP: 00007f17a71970d0 R08: 0000000000000001 R09: 0000000000000033 [ 30.322779] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f17a71ca4cc [ 30.330025] R13: 00007f17a70f22f0 R14: 00007f17a71ca4c8 R15: 0000000000000001 executing program [ 30.494530] FAULT_INJECTION: forcing a failure. [ 30.494530] name failslab, interval 1, probability 0, space 0, times 0 [ 30.506237] CPU: 1 PID: 8006 Comm: syz-executor768 Not tainted 4.14.260-syzkaller #0 [ 30.514208] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.523548] Call Trace: [ 30.526117] dump_stack+0x1b2/0x281 [ 30.529725] should_fail.cold+0x10a/0x149 [ 30.533854] ? mempool_free+0x1d0/0x1d0 [ 30.537803] should_failslab+0xd6/0x130 [ 30.541755] kmem_cache_alloc+0x40/0x3c0 [ 30.545795] ? mempool_free+0x1d0/0x1d0 [ 30.549746] mempool_alloc+0x10e/0x2d0 [ 30.553612] ? mempool_free+0x1d0/0x1d0 [ 30.557571] ? remove_element.isra.0+0x1b0/0x1b0 [ 30.562322] ? remove_element.isra.0+0x1b0/0x1b0 [ 30.567143] ? __lock_acquire+0x5fc/0x3f20 [ 30.571361] bvec_alloc+0xcc/0x2d0 [ 30.574880] bio_alloc_bioset+0x585/0x830 [ 30.579007] ? bvec_alloc+0x2d0/0x2d0 [ 30.582785] ? __lock_acquire+0x5fc/0x3f20 [ 30.586997] mpage_alloc+0x56/0x2b0 [ 30.590701] __mpage_writepage+0xb33/0x11e0 [ 30.595001] ? lock_downgrade+0x740/0x740 [ 30.599130] ? clean_buffers.part.0+0x1b0/0x1b0 [ 30.603776] ? check_preemption_disabled+0x35/0x240 [ 30.609636] ? lock_downgrade+0x740/0x740 [ 30.613776] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 30.619217] write_cache_pages+0x505/0xd20 [ 30.623436] ? clean_buffers.part.0+0x1b0/0x1b0 [ 30.628083] ? clear_page_dirty_for_io+0xb80/0xb80 [ 30.632995] ? fat_add_cluster+0xc0/0xc0 [ 30.637034] ? fat_readpages+0x30/0x30 [ 30.640896] mpage_writepages+0xbe/0x1f0 [ 30.644935] ? __mpage_writepage+0x11e0/0x11e0 [ 30.649492] ? fat_add_cluster+0xc0/0xc0 [ 30.653539] ? trace_hardirqs_on+0x10/0x10 [ 30.657755] ? trace_hardirqs_on+0x10/0x10 [ 30.661969] ? deref_stack_reg+0x124/0x1a0 [ 30.666182] do_writepages+0xc3/0x240 [ 30.669961] ? page_writeback_cpu_online+0x10/0x10 [ 30.674865] ? lock_acquire+0x170/0x3f0 [ 30.678813] ? do_raw_spin_unlock+0x164/0x220 [ 30.683298] ? _raw_spin_unlock+0x29/0x40 [ 30.687423] ? wbc_attach_and_unlock_inode+0x5e8/0x8d0 [ 30.692678] __filemap_fdatawrite_range+0x236/0x310 [ 30.697673] ? replace_page_cache_page+0x700/0x700 [ 30.702576] ? current_kernel_time64+0x17c/0x230 [ 30.707322] filemap_write_and_wait_range+0x39/0xb0 [ 30.712385] generic_file_direct_write+0x31f/0x420 [ 30.717293] __generic_file_write_iter+0x2a2/0x590 [ 30.722199] generic_file_write_iter+0x36f/0x650 [ 30.726934] aio_write+0x2ed/0x560 [ 30.730452] ? trace_hardirqs_on+0x10/0x10 [ 30.734661] ? aio_read+0x390/0x390 [ 30.738264] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 30.743256] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 30.747993] ? lock_acquire+0x170/0x3f0 [ 30.751941] ? lock_downgrade+0x740/0x740 [ 30.756071] do_io_submit+0x847/0x1570 [ 30.759939] ? __mutex_unlock_slowpath+0x75/0x770 [ 30.764755] ? aio_write+0x560/0x560 [ 30.768446] ? fput_many+0xe/0x140 [ 30.771967] ? do_syscall_64+0x4c/0x640 [ 30.775917] ? SyS_io_destroy+0x340/0x340 [ 30.780042] do_syscall_64+0x1d5/0x640 [ 30.783910] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 30.789077] RIP: 0033:0x7f17a7145cf9 [ 30.792765] RSP: 002b:00007f17a70f22e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 30.800447] RAX: ffffffffffffffda RBX: 00007f17a71ca4c0 RCX: 00007f17a7145cf9 [ 30.807695] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f17a70c9000 [ 30.814940] RBP: 00007f17a71970d0 R08: 0000000000000001 R09: 0000000000000033 [ 30.822235] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f17a71ca4cc [ 30.829482] R13: 00007f17a70f22f0 R14: 00007f17a71ca4c8 R15: 0000000000000001 executing program [ 30.985487] FAULT_INJECTION: forcing a failure. [ 30.985487] name failslab, interval 1, probability 0, space 0, times 0 [ 30.997446] CPU: 0 PID: 8014 Comm: syz-executor768 Not tainted 4.14.260-syzkaller #0 [ 31.005334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.014681] Call Trace: [ 31.017270] dump_stack+0x1b2/0x281 [ 31.020903] should_fail.cold+0x10a/0x149 [ 31.025061] ? mempool_free+0x1d0/0x1d0 [ 31.029035] should_failslab+0xd6/0x130 [ 31.033008] kmem_cache_alloc+0x40/0x3c0 [ 31.037063] ? mempool_free+0x1d0/0x1d0 [ 31.041030] mempool_alloc+0x10e/0x2d0 [ 31.044920] ? mempool_free+0x1d0/0x1d0 [ 31.048887] ? remove_element.isra.0+0x1b0/0x1b0 [ 31.053631] ? remove_element.isra.0+0x1b0/0x1b0 [ 31.058371] ? __lock_acquire+0x5fc/0x3f20 [ 31.062723] bvec_alloc+0xcc/0x2d0 [ 31.066303] bio_alloc_bioset+0x585/0x830 [ 31.070436] ? bvec_alloc+0x2d0/0x2d0 [ 31.074262] ? __lock_acquire+0x5fc/0x3f20 [ 31.078489] mpage_alloc+0x56/0x2b0 [ 31.082113] __mpage_writepage+0xb33/0x11e0 [ 31.086434] ? lock_downgrade+0x740/0x740 [ 31.090574] ? clean_buffers.part.0+0x1b0/0x1b0 [ 31.095247] ? check_preemption_disabled+0x35/0x240 [ 31.100256] ? lock_downgrade+0x740/0x740 [ 31.104390] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 31.109827] write_cache_pages+0x505/0xd20 [ 31.114108] ? clean_buffers.part.0+0x1b0/0x1b0 [ 31.118766] ? clear_page_dirty_for_io+0xb80/0xb80 [ 31.123691] ? fat_add_cluster+0xc0/0xc0 [ 31.127747] ? fat_readpages+0x30/0x30 [ 31.131621] mpage_writepages+0xbe/0x1f0 [ 31.135669] ? __mpage_writepage+0x11e0/0x11e0 [ 31.140237] ? fat_add_cluster+0xc0/0xc0 [ 31.144491] ? trace_hardirqs_on+0x10/0x10 [ 31.148708] ? trace_hardirqs_on+0x10/0x10 [ 31.152921] ? deref_stack_reg+0x124/0x1a0 [ 31.157139] do_writepages+0xc3/0x240 [ 31.160926] ? page_writeback_cpu_online+0x10/0x10 [ 31.165833] ? lock_acquire+0x170/0x3f0 [ 31.169784] ? do_raw_spin_unlock+0x164/0x220 [ 31.174258] ? _raw_spin_unlock+0x29/0x40 [ 31.178381] ? wbc_attach_and_unlock_inode+0x5e8/0x8d0 [ 31.183635] __filemap_fdatawrite_range+0x236/0x310 [ 31.188628] ? replace_page_cache_page+0x700/0x700 [ 31.193539] ? current_kernel_time64+0x17c/0x230 [ 31.198287] filemap_write_and_wait_range+0x39/0xb0 [ 31.203278] generic_file_direct_write+0x31f/0x420 [ 31.208186] __generic_file_write_iter+0x2a2/0x590 [ 31.213092] generic_file_write_iter+0x36f/0x650 [ 31.217824] aio_write+0x2ed/0x560 [ 31.221340] ? trace_hardirqs_on+0x10/0x10 [ 31.225549] ? aio_read+0x390/0x390 [ 31.229150] ? retint_kernel+0x2d/0x2d [ 31.233019] ? lock_acquire+0x170/0x3f0 [ 31.236968] ? lock_downgrade+0x740/0x740 [ 31.241092] do_io_submit+0x847/0x1570 [ 31.244977] ? __mutex_unlock_slowpath+0x75/0x770 [ 31.249797] ? aio_write+0x560/0x560 [ 31.253486] ? fput_many+0xe/0x140 [ 31.257006] ? do_syscall_64+0x4c/0x640 [ 31.260953] ? SyS_io_destroy+0x340/0x340 [ 31.265076] do_syscall_64+0x1d5/0x640 [ 31.268943] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 31.274120] RIP: 0033:0x7f17a7145cf9 [ 31.277803] RSP: 002b:00007f17a70f22e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 31.285482] RAX: ffffffffffffffda RBX: 00007f17a71ca4c0 RCX: 00007f17a7145cf9 [ 31.292744] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f17a70c9000 [ 31.299986] RBP: 00007f17a71970d0 R08: 0000000000000001 R09: 0000000000000033 [ 31.307232] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f17a71ca4cc [ 31.314476] R13: 00007f17a70f22f0 R14: 00007f17a71ca4c8 R15: 0000000000000001 executing program [ 31.486493] FAULT_INJECTION: forcing a failure. [ 31.486493] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 31.498397] CPU: 0 PID: 8022 Comm: syz-executor768 Not tainted 4.14.260-syzkaller #0 [ 31.506274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.515620] Call Trace: [ 31.518204] dump_stack+0x1b2/0x281 [ 31.521828] should_fail.cold+0x10a/0x149 [ 31.526055] __alloc_pages_nodemask+0x22c/0x2720 [ 31.530786] ? __lock_acquire+0x5fc/0x3f20 [ 31.534995] ? trace_hardirqs_on+0x10/0x10 [ 31.539206] ? deref_stack_reg+0x124/0x1a0 [ 31.543411] ? __lock_acquire+0x5fc/0x3f20 [ 31.547622] ? __read_once_size_nocheck.constprop.0+0x10/0x10 [ 31.553479] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 31.558295] ? unwind_next_frame+0xe54/0x17d0 [ 31.562764] ? __save_stack_trace+0x63/0x160 [ 31.567144] ? deref_stack_reg+0x124/0x1a0 [ 31.571355] ? __lock_acquire+0x5fc/0x3f20 [ 31.575568] cache_grow_begin+0x91/0x700 [ 31.579606] ? __kernel_text_address+0x9/0x30 [ 31.584074] ? check_preemption_disabled+0x35/0x240 [ 31.589065] cache_alloc_refill+0x273/0x350 [ 31.593360] kmem_cache_alloc+0x333/0x3c0 [ 31.597484] ? mempool_free+0x1d0/0x1d0 [ 31.601430] mempool_alloc+0x10e/0x2d0 [ 31.605293] ? remove_element.isra.0+0x1b0/0x1b0 [ 31.610026] ? __lock_acquire+0x5fc/0x3f20 [ 31.614238] bio_alloc_bioset+0x41b/0x830 [ 31.618359] ? bvec_alloc+0x2d0/0x2d0 [ 31.622135] ? __lock_acquire+0x5fc/0x3f20 [ 31.626345] mpage_alloc+0x56/0x2b0 [ 31.629947] __mpage_writepage+0xb33/0x11e0 [ 31.634243] ? lock_downgrade+0x740/0x740 [ 31.638376] ? clean_buffers.part.0+0x1b0/0x1b0 [ 31.643024] ? check_preemption_disabled+0x35/0x240 [ 31.648013] ? lock_downgrade+0x740/0x740 [ 31.652140] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 31.657564] write_cache_pages+0x505/0xd20 [ 31.661774] ? clean_buffers.part.0+0x1b0/0x1b0 [ 31.666417] ? clear_page_dirty_for_io+0xb80/0xb80 [ 31.671326] ? fat_add_cluster+0xc0/0xc0 [ 31.675358] ? fat_readpages+0x30/0x30 [ 31.679218] mpage_writepages+0xbe/0x1f0 [ 31.683268] ? __mpage_writepage+0x11e0/0x11e0 [ 31.687832] ? fat_add_cluster+0xc0/0xc0 [ 31.691884] ? trace_hardirqs_on+0x10/0x10 [ 31.696224] ? trace_hardirqs_on+0x10/0x10 [ 31.700437] ? deref_stack_reg+0x124/0x1a0 [ 31.704652] do_writepages+0xc3/0x240 [ 31.708431] ? page_writeback_cpu_online+0x10/0x10 [ 31.713338] ? lock_acquire+0x170/0x3f0 [ 31.717289] ? do_raw_spin_unlock+0x164/0x220 [ 31.721763] ? _raw_spin_unlock+0x29/0x40 [ 31.725889] ? wbc_attach_and_unlock_inode+0x5e8/0x8d0 [ 31.731148] __filemap_fdatawrite_range+0x236/0x310 [ 31.736144] ? replace_page_cache_page+0x700/0x700 [ 31.741048] ? current_kernel_time64+0x17c/0x230 [ 31.745782] filemap_write_and_wait_range+0x39/0xb0 [ 31.750778] generic_file_direct_write+0x31f/0x420 [ 31.755689] __generic_file_write_iter+0x2a2/0x590 [ 31.760594] generic_file_write_iter+0x36f/0x650 [ 31.765327] aio_write+0x2ed/0x560 [ 31.768864] ? trace_hardirqs_on+0x10/0x10 [ 31.773071] ? aio_read+0x390/0x390 [ 31.776670] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 31.781670] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 31.786451] ? lock_acquire+0x170/0x3f0 [ 31.790401] ? lock_downgrade+0x740/0x740 [ 31.794525] do_io_submit+0x847/0x1570 [ 31.798389] ? __mutex_unlock_slowpath+0x75/0x770 [ 31.803208] ? aio_write+0x560/0x560 [ 31.806901] ? fput_many+0xe/0x140 [ 31.810418] ? do_syscall_64+0x4c/0x640 [ 31.814383] ? SyS_io_destroy+0x340/0x340 [ 31.818519] do_syscall_64+0x1d5/0x640 [ 31.822386] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 31.827551] RIP: 0033:0x7f17a7145cf9 [ 31.831237] RSP: 002b:00007f17a70f22e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 31.838916] RAX: ffffffffffffffda RBX: 00007f17a71ca4c0 RCX: 00007f17a7145cf9 [ 31.846336] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f17a70c9000 [ 31.853582] RBP: 00007f17a71970d0 R08: 0000000000000001 R09: 0000000000000033 [ 31.860831] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f17a71ca4cc [ 31.868081] R13: 00007f17a70f22f0 R14: 00007f17a71ca4c8 R15: 0000000000000001 executing program [ 32.041621] FAULT_INJECTION: forcing a failure. [ 32.041621] name failslab, interval 1, probability 0, space 0, times 0 [ 32.053307] CPU: 1 PID: 8032 Comm: syz-executor768 Not tainted 4.14.260-syzkaller #0 [ 32.061190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.070538] Call Trace: [ 32.073128] dump_stack+0x1b2/0x281 [ 32.076756] should_fail.cold+0x10a/0x149 [ 32.080904] ? mempool_free+0x1d0/0x1d0 [ 32.084873] should_failslab+0xd6/0x130 [ 32.088846] kmem_cache_alloc+0x40/0x3c0 [ 32.092910] ? mempool_free+0x1d0/0x1d0 [ 32.096885] mempool_alloc+0x10e/0x2d0 [ 32.100770] ? mempool_free+0x1d0/0x1d0 [ 32.104736] ? remove_element.isra.0+0x1b0/0x1b0 [ 32.109605] ? remove_element.isra.0+0x1b0/0x1b0 [ 32.114356] ? __lock_acquire+0x5fc/0x3f20 [ 32.118576] bvec_alloc+0xcc/0x2d0 [ 32.122100] bio_alloc_bioset+0x585/0x830 [ 32.126230] ? bvec_alloc+0x2d0/0x2d0 [ 32.130010] ? __lock_acquire+0x5fc/0x3f20 [ 32.134225] mpage_alloc+0x56/0x2b0 [ 32.137832] __mpage_writepage+0xb33/0x11e0 [ 32.142147] ? lock_downgrade+0x740/0x740 [ 32.146276] ? clean_buffers.part.0+0x1b0/0x1b0 [ 32.150923] ? check_preemption_disabled+0x35/0x240 [ 32.155916] ? lock_downgrade+0x740/0x740 [ 32.160043] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 32.165478] write_cache_pages+0x505/0xd20 [ 32.169701] ? clean_buffers.part.0+0x1b0/0x1b0 [ 32.174355] ? clear_page_dirty_for_io+0xb80/0xb80 [ 32.179266] ? fat_add_cluster+0xc0/0xc0 [ 32.183301] ? fat_readpages+0x30/0x30 [ 32.187164] mpage_writepages+0xbe/0x1f0 [ 32.191200] ? __mpage_writepage+0x11e0/0x11e0 [ 32.195758] ? fat_add_cluster+0xc0/0xc0 [ 32.199798] ? trace_hardirqs_on+0x10/0x10 [ 32.204011] ? trace_hardirqs_on+0x10/0x10 [ 32.208225] ? deref_stack_reg+0x124/0x1a0 [ 32.212444] do_writepages+0xc3/0x240 [ 32.216223] ? page_writeback_cpu_online+0x10/0x10 [ 32.221130] ? lock_acquire+0x170/0x3f0 [ 32.225188] ? do_raw_spin_unlock+0x164/0x220 [ 32.229663] ? _raw_spin_unlock+0x29/0x40 [ 32.233786] ? wbc_attach_and_unlock_inode+0x5e8/0x8d0 [ 32.239042] __filemap_fdatawrite_range+0x236/0x310 [ 32.244037] ? replace_page_cache_page+0x700/0x700 [ 32.248942] ? current_kernel_time64+0x17c/0x230 [ 32.253681] filemap_write_and_wait_range+0x39/0xb0 [ 32.258675] generic_file_direct_write+0x31f/0x420 [ 32.263584] __generic_file_write_iter+0x2a2/0x590 [ 32.268492] generic_file_write_iter+0x36f/0x650 [ 32.273232] aio_write+0x2ed/0x560 [ 32.276754] ? trace_hardirqs_on+0x10/0x10 [ 32.280965] ? aio_read+0x390/0x390 [ 32.284568] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 32.289566] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.294299] ? lock_acquire+0x170/0x3f0 [ 32.298250] ? lock_downgrade+0x740/0x740 [ 32.302381] do_io_submit+0x847/0x1570 [ 32.306247] ? __mutex_unlock_slowpath+0x75/0x770 [ 32.311068] ? aio_write+0x560/0x560 [ 32.314761] ? fput_many+0xe/0x140 [ 32.318278] ? do_syscall_64+0x4c/0x640 [ 32.322232] ? SyS_io_destroy+0x340/0x340 [ 32.326359] do_syscall_64+0x1d5/0x640 [ 32.330225] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 32.335393] RIP: 0033:0x7f17a7145cf9 [ 32.339111] RSP: 002b:00007f17a70f22e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 32.346797] RAX: ffffffffffffffda RBX: 00007f17a71ca4c0 RCX: 00007f17a7145cf9 [ 32.354041] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f17a70c9000 [ 32.361287] RBP: 00007f17a71970d0 R08: 0000000000000001 R09: 0000000000000033 [ 32.368532] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f17a71ca4cc [ 32.375785] R13: 00007f17a70f22f0 R14: 00007f17a71ca4c8 R15: 0000000000000001 executing program [ 32.555127] FAULT_INJECTION: forcing a failure. [ 32.555127] name failslab, interval 1, probability 0, space 0, times 0 [ 32.568572] CPU: 1 PID: 8043 Comm: syz-executor768 Not tainted 4.14.260-syzkaller #0 [ 32.576464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.585879] Call Trace: [ 32.588448] dump_stack+0x1b2/0x281 [ 32.592059] should_fail.cold+0x10a/0x149 [ 32.596190] ? mempool_free+0x1d0/0x1d0 [ 32.600157] should_failslab+0xd6/0x130 [ 32.604115] kmem_cache_alloc+0x40/0x3c0 [ 32.608157] ? mempool_free+0x1d0/0x1d0 [ 32.612106] mempool_alloc+0x10e/0x2d0 [ 32.615970] ? mempool_free+0x1d0/0x1d0 [ 32.619922] ? remove_element.isra.0+0x1b0/0x1b0 [ 32.624657] ? remove_element.isra.0+0x1b0/0x1b0 [ 32.629396] ? __lock_acquire+0x5fc/0x3f20 [ 32.633611] bvec_alloc+0xcc/0x2d0 [ 32.637128] bio_alloc_bioset+0x585/0x830 [ 32.641255] ? bvec_alloc+0x2d0/0x2d0 [ 32.645032] ? __lock_acquire+0x5fc/0x3f20 [ 32.649243] mpage_alloc+0x56/0x2b0 [ 32.652849] __mpage_writepage+0xb33/0x11e0 [ 32.657148] ? lock_downgrade+0x740/0x740 [ 32.661275] ? clean_buffers.part.0+0x1b0/0x1b0 [ 32.665926] ? check_preemption_disabled+0x35/0x240 [ 32.670924] ? lock_downgrade+0x740/0x740 [ 32.675117] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 32.680549] write_cache_pages+0x505/0xd20 [ 32.684766] ? clean_buffers.part.0+0x1b0/0x1b0 [ 32.689415] ? clear_page_dirty_for_io+0xb80/0xb80 [ 32.694328] ? fat_add_cluster+0xc0/0xc0 [ 32.698368] ? fat_readpages+0x30/0x30 [ 32.702231] mpage_writepages+0xbe/0x1f0 [ 32.706269] ? __mpage_writepage+0x11e0/0x11e0 [ 32.710831] ? fat_add_cluster+0xc0/0xc0 [ 32.714871] ? trace_hardirqs_on+0x10/0x10 [ 32.719086] ? trace_hardirqs_on+0x10/0x10 [ 32.723305] ? deref_stack_reg+0x124/0x1a0 [ 32.727522] do_writepages+0xc3/0x240 [ 32.731303] ? page_writeback_cpu_online+0x10/0x10 [ 32.736222] ? lock_acquire+0x170/0x3f0 [ 32.740179] ? do_raw_spin_unlock+0x164/0x220 [ 32.744649] ? _raw_spin_unlock+0x29/0x40 [ 32.748776] ? wbc_attach_and_unlock_inode+0x5e8/0x8d0 [ 32.754035] __filemap_fdatawrite_range+0x236/0x310 [ 32.759037] ? replace_page_cache_page+0x700/0x700 [ 32.763946] ? current_kernel_time64+0x17c/0x230 [ 32.768683] filemap_write_and_wait_range+0x39/0xb0 [ 32.773677] generic_file_direct_write+0x31f/0x420 [ 32.778595] __generic_file_write_iter+0x2a2/0x590 [ 32.783508] generic_file_write_iter+0x36f/0x650 [ 32.788246] aio_write+0x2ed/0x560 [ 32.791763] ? trace_hardirqs_on+0x10/0x10 [ 32.795973] ? aio_read+0x390/0x390 [ 32.799579] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 32.804569] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.809307] ? lock_acquire+0x170/0x3f0 [ 32.813258] ? lock_downgrade+0x740/0x740 [ 32.817411] do_io_submit+0x847/0x1570 [ 32.821286] ? __mutex_unlock_slowpath+0x75/0x770 [ 32.826105] ? aio_write+0x560/0x560 [ 32.829886] ? fput_many+0xe/0x140 [ 32.833411] ? do_syscall_64+0x4c/0x640 [ 32.837366] ? SyS_io_destroy+0x340/0x340 [ 32.841491] do_syscall_64+0x1d5/0x640 [ 32.845373] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 32.850540] RIP: 0033:0x7f17a7145cf9 [ 32.854226] RSP: 002b:00007f17a70f22e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 32.861909] RAX: ffffffffffffffda RBX: 00007f17a71ca4c0 RCX: 00007f17a7145cf9 [ 32.869155] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f17a70c9000 [ 32.876404] RBP: 00007f17a71970d0 R08: 0000000000000001 R09: 0000000000000033 [ 32.883650] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f17a71ca4cc [ 32.890904] R13: 00007f17a70f22f0 R14: 00007f17a71ca4c8 R15: 0000000000000001 executing program [ 33.049279] FAULT_INJECTION: forcing a failure. [ 33.049279] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 33.061107] CPU: 1 PID: 8050 Comm: syz-executor768 Not tainted 4.14.260-syzkaller #0 [ 33.068988] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.078338] Call Trace: [ 33.080941] dump_stack+0x1b2/0x281 [ 33.084737] should_fail.cold+0x10a/0x149 [ 33.088871] __alloc_pages_nodemask+0x22c/0x2720 [ 33.093619] ? __lock_acquire+0x5fc/0x3f20 [ 33.097831] ? trace_hardirqs_on+0x10/0x10 [ 33.102049] ? deref_stack_reg+0x124/0x1a0 [ 33.106261] ? __read_once_size_nocheck.constprop.0+0x10/0x10 [ 33.112126] ? trace_hardirqs_on+0x10/0x10 [ 33.116339] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 33.121156] ? unwind_next_frame+0xe54/0x17d0 [ 33.125628] ? __save_stack_trace+0x63/0x160 [ 33.130020] ? deref_stack_reg+0x124/0x1a0 [ 33.134230] ? __lock_acquire+0x5fc/0x3f20 [ 33.138448] cache_grow_begin+0x91/0x700 [ 33.142484] ? __kernel_text_address+0x9/0x30 [ 33.146954] ? check_preemption_disabled+0x35/0x240 [ 33.151948] cache_alloc_refill+0x273/0x350 [ 33.156371] kmem_cache_alloc+0x333/0x3c0 [ 33.160501] ? mempool_free+0x1d0/0x1d0 [ 33.164449] mempool_alloc+0x10e/0x2d0 [ 33.168316] ? remove_element.isra.0+0x1b0/0x1b0 [ 33.173047] ? __lock_acquire+0x5fc/0x3f20 [ 33.177346] bio_alloc_bioset+0x41b/0x830 [ 33.181522] ? bvec_alloc+0x2d0/0x2d0 [ 33.185390] ? __lock_acquire+0x5fc/0x3f20 [ 33.189604] mpage_alloc+0x56/0x2b0 [ 33.193216] __mpage_writepage+0xb33/0x11e0 [ 33.197516] ? lock_downgrade+0x740/0x740 [ 33.201641] ? clean_buffers.part.0+0x1b0/0x1b0 [ 33.206291] ? check_preemption_disabled+0x35/0x240 [ 33.211283] ? lock_downgrade+0x740/0x740 [ 33.215502] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 33.220929] write_cache_pages+0x505/0xd20 [ 33.225141] ? clean_buffers.part.0+0x1b0/0x1b0 [ 33.229786] ? clear_page_dirty_for_io+0xb80/0xb80 [ 33.234718] ? fat_add_cluster+0xc0/0xc0 [ 33.238760] ? fat_readpages+0x30/0x30 [ 33.242637] mpage_writepages+0xbe/0x1f0 [ 33.246762] ? __mpage_writepage+0x11e0/0x11e0 [ 33.251318] ? fat_add_cluster+0xc0/0xc0 [ 33.255355] ? trace_hardirqs_on+0x10/0x10 [ 33.260157] ? trace_hardirqs_on+0x10/0x10 [ 33.264419] ? deref_stack_reg+0x124/0x1a0 [ 33.268631] do_writepages+0xc3/0x240 [ 33.272411] ? page_writeback_cpu_online+0x10/0x10 [ 33.277315] ? lock_acquire+0x170/0x3f0 [ 33.281263] ? do_raw_spin_unlock+0x164/0x220 [ 33.285732] ? _raw_spin_unlock+0x29/0x40 [ 33.289856] ? wbc_attach_and_unlock_inode+0x5e8/0x8d0 [ 33.295111] __filemap_fdatawrite_range+0x236/0x310 [ 33.301007] ? replace_page_cache_page+0x700/0x700 [ 33.305918] ? current_kernel_time64+0x17c/0x230 [ 33.310656] filemap_write_and_wait_range+0x39/0xb0 [ 33.315649] generic_file_direct_write+0x31f/0x420 [ 33.320557] __generic_file_write_iter+0x2a2/0x590 [ 33.325462] generic_file_write_iter+0x36f/0x650 [ 33.330204] aio_write+0x2ed/0x560 [ 33.333721] ? trace_hardirqs_on+0x10/0x10 [ 33.337934] ? aio_read+0x390/0x390 [ 33.341536] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 33.346529] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 33.351262] ? lock_acquire+0x170/0x3f0 [ 33.355212] ? lock_downgrade+0x740/0x740 [ 33.359339] do_io_submit+0x847/0x1570 [ 33.363208] ? __mutex_unlock_slowpath+0x75/0x770 [ 33.368025] ? aio_write+0x560/0x560 [ 33.371717] ? fput_many+0xe/0x140 [ 33.375233] ? do_syscall_64+0x4c/0x640 [ 33.379199] ? SyS_io_destroy+0x340/0x340 [ 33.383323] do_syscall_64+0x1d5/0x640 [ 33.387204] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 33.392398] RIP: 0033:0x7f17a7145cf9 [ 33.396085] RSP: 002b:00007f17a70f22e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 33.403771] RAX: ffffffffffffffda RBX: 00007f17a71ca4c0 RCX: 00007f17a7145cf9 [ 33.411016] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f17a70c9000 [ 33.418349] RBP: 00007f17a71970d0 R08: 0000000000000001 R09: 0000000000000033 [ 33.425597] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f17a71ca4cc [ 33.432843] R13: 00007f17a70f22f0 R14: 00007f17a71ca4c8 R15: 0000000000000001 executing program [ 33.623500] FAULT_INJECTION: forcing a failure. [ 33.623500] name failslab, interval 1, probability 0, space 0, times 0 [ 33.635421] CPU: 1 PID: 8059 Comm: syz-executor768 Not tainted 4.14.260-syzkaller #0 [ 33.643320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.652671] Call Trace: [ 33.655257] dump_stack+0x1b2/0x281 [ 33.658978] should_fail.cold+0x10a/0x149 [ 33.663128] ? mempool_free+0x1d0/0x1d0 [ 33.667086] should_failslab+0xd6/0x130 [ 33.671127] kmem_cache_alloc+0x40/0x3c0 [ 33.675168] ? mempool_free+0x1d0/0x1d0 [ 33.679120] mempool_alloc+0x10e/0x2d0 [ 33.683071] ? mempool_free+0x1d0/0x1d0 [ 33.687021] ? remove_element.isra.0+0x1b0/0x1b0 [ 33.691757] ? remove_element.isra.0+0x1b0/0x1b0 [ 33.696514] ? __lock_acquire+0x5fc/0x3f20 [ 33.700835] bvec_alloc+0xcc/0x2d0 [ 33.704358] bio_alloc_bioset+0x585/0x830 [ 33.708489] ? bvec_alloc+0x2d0/0x2d0 [ 33.712264] ? __lock_acquire+0x5fc/0x3f20 [ 33.716475] mpage_alloc+0x56/0x2b0 [ 33.720078] __mpage_writepage+0xb33/0x11e0 [ 33.724465] ? lock_downgrade+0x740/0x740 [ 33.728592] ? clean_buffers.part.0+0x1b0/0x1b0 [ 33.733243] ? check_preemption_disabled+0x35/0x240 [ 33.738231] ? lock_downgrade+0x740/0x740 [ 33.742360] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 33.747786] write_cache_pages+0x505/0xd20 [ 33.751998] ? clean_buffers.part.0+0x1b0/0x1b0 [ 33.756645] ? clear_page_dirty_for_io+0xb80/0xb80 [ 33.761556] ? fat_add_cluster+0xc0/0xc0 [ 33.765594] ? fat_readpages+0x30/0x30 [ 33.769457] mpage_writepages+0xbe/0x1f0 [ 33.773492] ? __mpage_writepage+0x11e0/0x11e0 [ 33.778053] ? fat_add_cluster+0xc0/0xc0 [ 33.782095] ? trace_hardirqs_on+0x10/0x10 [ 33.786309] ? trace_hardirqs_on+0x10/0x10 [ 33.790519] ? deref_stack_reg+0x124/0x1a0 [ 33.794732] do_writepages+0xc3/0x240 [ 33.798513] ? page_writeback_cpu_online+0x10/0x10 [ 33.803417] ? lock_acquire+0x170/0x3f0 [ 33.807366] ? do_raw_spin_unlock+0x164/0x220 [ 33.811837] ? _raw_spin_unlock+0x29/0x40 [ 33.816056] ? wbc_attach_and_unlock_inode+0x5e8/0x8d0 [ 33.821313] __filemap_fdatawrite_range+0x236/0x310 [ 33.826308] ? replace_page_cache_page+0x700/0x700 [ 33.831212] ? current_kernel_time64+0x17c/0x230 [ 33.835953] filemap_write_and_wait_range+0x39/0xb0 [ 33.840961] generic_file_direct_write+0x31f/0x420 [ 33.845876] __generic_file_write_iter+0x2a2/0x590 [ 33.850782] generic_file_write_iter+0x36f/0x650 [ 33.855517] aio_write+0x2ed/0x560 [ 33.859037] ? trace_hardirqs_on+0x10/0x10 [ 33.863247] ? aio_read+0x390/0x390 [ 33.866849] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 33.871841] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 33.876583] ? lock_acquire+0x170/0x3f0 [ 33.880693] ? lock_downgrade+0x740/0x740 [ 33.884827] do_io_submit+0x847/0x1570 [ 33.888703] ? __mutex_unlock_slowpath+0x75/0x770 [ 33.893530] ? aio_write+0x560/0x560 [ 33.897226] ? fput_many+0xe/0x140 [ 33.900746] ? do_syscall_64+0x4c/0x640 [ 33.904705] ? SyS_io_destroy+0x340/0x340 [ 33.908829] do_syscall_64+0x1d5/0x640 [ 33.912697] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 33.917863] RIP: 0033:0x7f17a7145cf9 [ 33.921548] RSP: 002b:00007f17a70f22e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 33.929234] RAX: ffffffffffffffda RBX: 00007f17a71ca4c0 RCX: 00007f17a7145cf9 [ 33.936477] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f17a70c9000 [ 33.943722] RBP: 00007f17a71970d0 R08: 0000000000000001 R09: 0000000000000033 [ 33.951940] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f17a71ca4cc [ 33.959197] R13: 00007f17a70f22f0 R14: 00007f17a71ca4c8 R15: 0000000000000001 executing program [ 34.131223] FAULT_INJECTION: forcing a failure. [ 34.131223] name failslab, interval 1, probability 0, space 0, times 0 [ 34.142975] CPU: 1 PID: 8068 Comm: syz-executor768 Not tainted 4.14.260-syzkaller #0 [ 34.150860] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.160214] Call Trace: [ 34.162801] dump_stack+0x1b2/0x281 [ 34.166433] should_fail.cold+0x10a/0x149 [ 34.170582] ? mempool_free+0x1d0/0x1d0 [ 34.174553] should_failslab+0xd6/0x130 [ 34.178527] kmem_cache_alloc+0x40/0x3c0 [ 34.182587] ? mempool_free+0x1d0/0x1d0 [ 34.186558] mempool_alloc+0x10e/0x2d0 [ 34.190441] ? mempool_free+0x1d0/0x1d0 [ 34.194406] ? remove_element.isra.0+0x1b0/0x1b0 [ 34.199147] ? remove_element.isra.0+0x1b0/0x1b0 [ 34.203978] ? __lock_acquire+0x5fc/0x3f20 [ 34.208205] bvec_alloc+0xcc/0x2d0 [ 34.211725] bio_alloc_bioset+0x585/0x830 [ 34.215862] ? bvec_alloc+0x2d0/0x2d0 [ 34.219654] ? __lock_acquire+0x5fc/0x3f20 [ 34.223870] mpage_alloc+0x56/0x2b0 [ 34.227476] __mpage_writepage+0xb33/0x11e0 [ 34.231880] ? lock_downgrade+0x740/0x740 [ 34.236014] ? clean_buffers.part.0+0x1b0/0x1b0 [ 34.240671] ? check_preemption_disabled+0x35/0x240 [ 34.245664] ? lock_downgrade+0x740/0x740 [ 34.249791] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 34.255233] write_cache_pages+0x505/0xd20 [ 34.259455] ? clean_buffers.part.0+0x1b0/0x1b0 [ 34.264103] ? clear_page_dirty_for_io+0xb80/0xb80 [ 34.269107] ? fat_add_cluster+0xc0/0xc0 [ 34.273145] ? fat_readpages+0x30/0x30 [ 34.277005] mpage_writepages+0xbe/0x1f0 [ 34.281042] ? __mpage_writepage+0x11e0/0x11e0 [ 34.285601] ? fat_add_cluster+0xc0/0xc0 [ 34.289639] ? trace_hardirqs_on+0x10/0x10 [ 34.293846] ? trace_hardirqs_on+0x10/0x10 [ 34.298057] ? deref_stack_reg+0x124/0x1a0 [ 34.302287] do_writepages+0xc3/0x240 [ 34.306075] ? page_writeback_cpu_online+0x10/0x10 [ 34.310981] ? lock_acquire+0x170/0x3f0 [ 34.314937] ? do_raw_spin_unlock+0x164/0x220 [ 34.319410] ? _raw_spin_unlock+0x29/0x40 [ 34.323535] ? wbc_attach_and_unlock_inode+0x5e8/0x8d0 [ 34.328795] __filemap_fdatawrite_range+0x236/0x310 [ 34.333796] ? replace_page_cache_page+0x700/0x700 [ 34.338705] ? current_kernel_time64+0x17c/0x230 [ 34.343452] filemap_write_and_wait_range+0x39/0xb0 [ 34.348445] generic_file_direct_write+0x31f/0x420 [ 34.353438] __generic_file_write_iter+0x2a2/0x590 [ 34.358347] generic_file_write_iter+0x36f/0x650 [ 34.363084] aio_write+0x2ed/0x560 [ 34.366601] ? trace_hardirqs_on+0x10/0x10 [ 34.370821] ? aio_read+0x390/0x390 [ 34.374425] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 34.379414] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 34.384147] ? lock_acquire+0x170/0x3f0 [ 34.388098] ? lock_downgrade+0x740/0x740 [ 34.392236] do_io_submit+0x847/0x1570 [ 34.396100] ? __mutex_unlock_slowpath+0x75/0x770 [ 34.400913] ? aio_write+0x560/0x560 [ 34.404604] ? fput_many+0xe/0x140 [ 34.408119] ? do_syscall_64+0x4c/0x640 [ 34.412068] ? SyS_io_destroy+0x340/0x340 [ 34.416196] do_syscall_64+0x1d5/0x640 [ 34.420063] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 34.425228] RIP: 0033:0x7f17a7145cf9 [ 34.428911] RSP: 002b:00007f17a70f22e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 34.436595] RAX: ffffffffffffffda RBX: 00007f17a71ca4c0 RCX: 00007f17a7145cf9 [ 34.443846] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f17a70c9000 [ 34.451092] RBP: 00007f17a71970d0 R08: 0000000000000001 R09: 0000000000000033 [ 34.458335] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f17a71ca4cc [ 34.465583] R13: 00007f17a70f22f0 R14: 00007f17a71ca4c8 R15: 0000000000000001 executing program [ 34.650000] FAULT_INJECTION: forcing a failure. [ 34.650000] name failslab, interval 1, probability 0, space 0, times 0 [ 34.661640] CPU: 1 PID: 8076 Comm: syz-executor768 Not tainted 4.14.260-syzkaller #0 [ 34.669524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.678879] Call Trace: [ 34.681464] dump_stack+0x1b2/0x281 [ 34.685204] should_fail.cold+0x10a/0x149 [ 34.689353] ? mempool_free+0x1d0/0x1d0 [ 34.693316] should_failslab+0xd6/0x130 [ 34.697367] kmem_cache_alloc+0x40/0x3c0 [ 34.701515] ? mempool_free+0x1d0/0x1d0 [ 34.705474] mempool_alloc+0x10e/0x2d0 [ 34.709337] ? mempool_free+0x1d0/0x1d0 [ 34.713288] ? remove_element.isra.0+0x1b0/0x1b0 [ 34.718019] ? remove_element.isra.0+0x1b0/0x1b0 [ 34.722873] ? __lock_acquire+0x5fc/0x3f20 [ 34.727179] bvec_alloc+0xcc/0x2d0 [ 34.730708] bio_alloc_bioset+0x585/0x830 [ 34.734836] ? bvec_alloc+0x2d0/0x2d0 [ 34.738625] ? __lock_acquire+0x5fc/0x3f20 [ 34.742941] mpage_alloc+0x56/0x2b0 [ 34.746555] __mpage_writepage+0xb33/0x11e0 [ 34.750856] ? lock_downgrade+0x740/0x740 [ 34.754987] ? clean_buffers.part.0+0x1b0/0x1b0 [ 34.759638] ? check_preemption_disabled+0x35/0x240 [ 34.764635] ? lock_downgrade+0x740/0x740 [ 34.768764] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 34.774189] write_cache_pages+0x505/0xd20 [ 34.778402] ? clean_buffers.part.0+0x1b0/0x1b0 [ 34.783049] ? clear_page_dirty_for_io+0xb80/0xb80 [ 34.788137] ? fat_add_cluster+0xc0/0xc0 [ 34.792201] ? fat_readpages+0x30/0x30 [ 34.796081] mpage_writepages+0xbe/0x1f0 [ 34.800148] ? __mpage_writepage+0x11e0/0x11e0 [ 34.804716] ? fat_add_cluster+0xc0/0xc0 [ 34.808776] ? trace_hardirqs_on+0x10/0x10 [ 34.812994] ? trace_hardirqs_on+0x10/0x10 [ 34.817213] ? deref_stack_reg+0x124/0x1a0 [ 34.821431] do_writepages+0xc3/0x240 [ 34.825217] ? page_writeback_cpu_online+0x10/0x10 [ 34.830124] ? lock_acquire+0x170/0x3f0 [ 34.834076] ? do_raw_spin_unlock+0x164/0x220 [ 34.838550] ? _raw_spin_unlock+0x29/0x40 [ 34.842677] ? wbc_attach_and_unlock_inode+0x5e8/0x8d0 [ 34.847937] __filemap_fdatawrite_range+0x236/0x310 [ 34.852934] ? replace_page_cache_page+0x700/0x700 [ 34.857841] ? current_kernel_time64+0x17c/0x230 [ 34.862576] filemap_write_and_wait_range+0x39/0xb0 [ 34.867578] generic_file_direct_write+0x31f/0x420 [ 34.872492] __generic_file_write_iter+0x2a2/0x590 [ 34.877400] generic_file_write_iter+0x36f/0x650 [ 34.882160] aio_write+0x2ed/0x560 [ 34.885675] ? trace_hardirqs_on+0x10/0x10 [ 34.889907] ? aio_read+0x390/0x390 [ 34.893516] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 34.898685] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 34.903428] ? lock_acquire+0x170/0x3f0 [ 34.907387] ? lock_downgrade+0x740/0x740 [ 34.911514] do_io_submit+0x847/0x1570 [ 34.915381] ? __mutex_unlock_slowpath+0x75/0x770 [ 34.920323] ? aio_write+0x560/0x560 [ 34.924158] ? fput_many+0xe/0x140 [ 34.927706] ? do_syscall_64+0x4c/0x640 [ 34.931685] ? SyS_io_destroy+0x340/0x340 [ 34.936014] do_syscall_64+0x1d5/0x640 [ 34.939889] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 34.945075] RIP: 0033:0x7f17a7145cf9 [ 34.948767] RSP: 002b:00007f17a70f22e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 34.956453] RAX: ffffffffffffffda RBX: 00007f17a71ca4c0 RCX: 00007f17a7145cf9 [ 34.963698] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f17a70c9000 [ 34.970945] RBP: 00007f17a71970d0 R08: 0000000000000001 R09: 0000000000000033 [ 34.978191] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f17a71ca4cc [ 34.985439] R13: 00007f17a70f22f0 R14: 00007f17a71ca4c8 R15: 0000000000000001 executing program [ 35.183758] FAULT_INJECTION: forcing a failure. [ 35.183758] name failslab, interval 1, probability 0, space 0, times 0 [ 35.195564] CPU: 1 PID: 8087 Comm: syz-executor768 Not tainted 4.14.260-syzkaller #0 [ 35.203447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.212793] Call Trace: [ 35.215361] dump_stack+0x1b2/0x281 [ 35.218972] should_fail.cold+0x10a/0x149 [ 35.223105] ? mempool_free+0x1d0/0x1d0 [ 35.227056] should_failslab+0xd6/0x130 [ 35.231011] kmem_cache_alloc+0x40/0x3c0 [ 35.235052] ? mempool_free+0x1d0/0x1d0 [ 35.239132] mempool_alloc+0x10e/0x2d0 [ 35.243262] ? mempool_free+0x1d0/0x1d0 [ 35.247309] ? remove_element.isra.0+0x1b0/0x1b0 [ 35.252044] ? remove_element.isra.0+0x1b0/0x1b0 [ 35.256778] ? __lock_acquire+0x5fc/0x3f20 [ 35.261039] bvec_alloc+0xcc/0x2d0 [ 35.264569] bio_alloc_bioset+0x585/0x830 [ 35.268698] ? bvec_alloc+0x2d0/0x2d0 [ 35.272476] ? __lock_acquire+0x5fc/0x3f20 [ 35.276690] mpage_alloc+0x56/0x2b0 [ 35.280382] __mpage_writepage+0xb33/0x11e0 [ 35.284687] ? lock_downgrade+0x740/0x740 [ 35.288818] ? clean_buffers.part.0+0x1b0/0x1b0 [ 35.293472] ? check_preemption_disabled+0x35/0x240 [ 35.298464] ? lock_downgrade+0x740/0x740 [ 35.302615] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 35.308047] write_cache_pages+0x505/0xd20 [ 35.312271] ? clean_buffers.part.0+0x1b0/0x1b0 [ 35.316939] ? clear_page_dirty_for_io+0xb80/0xb80 [ 35.321860] ? fat_add_cluster+0xc0/0xc0 [ 35.325899] ? fat_readpages+0x30/0x30 [ 35.329915] mpage_writepages+0xbe/0x1f0 [ 35.333960] ? __mpage_writepage+0x11e0/0x11e0 [ 35.338533] ? fat_add_cluster+0xc0/0xc0 [ 35.342581] ? trace_hardirqs_on+0x10/0x10 [ 35.346797] ? trace_hardirqs_on+0x10/0x10 [ 35.351031] ? deref_stack_reg+0x124/0x1a0 [ 35.355252] do_writepages+0xc3/0x240 [ 35.359032] ? page_writeback_cpu_online+0x10/0x10 [ 35.363942] ? lock_acquire+0x170/0x3f0 [ 35.367995] ? do_raw_spin_unlock+0x164/0x220 [ 35.372482] ? _raw_spin_unlock+0x29/0x40 [ 35.376613] ? wbc_attach_and_unlock_inode+0x5e8/0x8d0 [ 35.381876] __filemap_fdatawrite_range+0x236/0x310 [ 35.386876] ? replace_page_cache_page+0x700/0x700 [ 35.391783] ? current_kernel_time64+0x17c/0x230 [ 35.396520] filemap_write_and_wait_range+0x39/0xb0 [ 35.401516] generic_file_direct_write+0x31f/0x420 [ 35.406426] __generic_file_write_iter+0x2a2/0x590 [ 35.411338] generic_file_write_iter+0x36f/0x650 [ 35.416071] aio_write+0x2ed/0x560 [ 35.419589] ? trace_hardirqs_on+0x10/0x10 [ 35.423800] ? aio_read+0x390/0x390 [ 35.427408] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 35.432408] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 35.437233] ? lock_acquire+0x170/0x3f0 [ 35.441184] ? lock_downgrade+0x740/0x740 [ 35.445312] do_io_submit+0x847/0x1570 [ 35.449180] ? __mutex_unlock_slowpath+0x75/0x770 [ 35.454175] ? aio_write+0x560/0x560 [ 35.457873] ? fput_many+0xe/0x140 [ 35.461391] ? do_syscall_64+0x4c/0x640 [ 35.465343] ? SyS_io_destroy+0x340/0x340 [ 35.469467] do_syscall_64+0x1d5/0x640 [ 35.473341] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 35.478509] RIP: 0033:0x7f17a7145cf9 [ 35.482196] RSP: 002b:00007f17a70f22e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 35.489879] RAX: ffffffffffffffda RBX: 00007f17a71ca4c0 RCX: 00007f17a7145cf9 [ 35.497209] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f17a70c9000 [ 35.504556] RBP: 00007f17a71970d0 R08: 0000000000000001 R09: 0000000000000033 [ 35.511804] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f17a71ca4cc [ 35.519050] R13: 00007f17a70f22f0 R14: 00007f17a71ca4c8 R15: 0000000000000001 [ 35.535749] [ 35.537382] ====================================================== [ 35.543684] WARNING: possible circular locking dependency detected [ 35.549985] 4.14.260-syzkaller #0 Not tainted [ 35.554453] ------------------------------------------------------ [ 35.560742] syz-executor768/8087 is trying to acquire lock: [ 35.566421] ("dio/%s"sb->s_id){+.+.}, at: [] flush_workqueue+0xcb/0x1310 [ 35.574900] [ 35.574900] but task is already holding lock: [ 35.580853] (&sb->s_type->i_mutex_key#17){+.+.}, at: [] generic_file_write_iter+0x99/0x650 [ 35.590889] [ 35.590889] which lock already depends on the new lock. [ 35.590889] [ 35.599176] [ 35.599176] the existing dependency chain (in reverse order) is: [ 35.606771] [ 35.606771] -> #2 (&sb->s_type->i_mutex_key#17){+.+.}: [ 35.613510] down_write+0x34/0x90 [ 35.617460] __generic_file_fsync+0x9e/0x190 [ 35.622364] fat_file_fsync+0x73/0x1f0 [ 35.626754] vfs_fsync_range+0x103/0x260 [ 35.631317] dio_complete+0x561/0x8d0 [ 35.635617] process_one_work+0x793/0x14a0 [ 35.640351] worker_thread+0x5cc/0xff0 [ 35.644734] kthread+0x30d/0x420 [ 35.648598] ret_from_fork+0x24/0x30 [ 35.652806] [ 35.652806] -> #1 ((&dio->complete_work)){+.+.}: [ 35.659024] process_one_work+0x736/0x14a0 [ 35.663753] worker_thread+0x5cc/0xff0 [ 35.668134] kthread+0x30d/0x420 [ 35.672207] ret_from_fork+0x24/0x30 [ 35.676418] [ 35.676418] -> #0 ("dio/%s"sb->s_id){+.+.}: [ 35.682201] lock_acquire+0x170/0x3f0 [ 35.686497] flush_workqueue+0xfa/0x1310 [ 35.691058] drain_workqueue+0x177/0x3e0 [ 35.695613] destroy_workqueue+0x71/0x710 [ 35.700257] __alloc_workqueue_key+0xd50/0x1080 [ 35.706436] sb_init_dio_done_wq+0x34/0x80 [ 35.711171] __blockdev_direct_IO+0x3df1/0xdcb0 [ 35.716345] fat_direct_IO+0x19b/0x320 [ 35.720836] generic_file_direct_write+0x1df/0x420 [ 35.726298] __generic_file_write_iter+0x2a2/0x590 [ 35.731728] generic_file_write_iter+0x36f/0x650 [ 35.736979] aio_write+0x2ed/0x560 [ 35.741013] do_io_submit+0x847/0x1570 [ 35.745396] do_syscall_64+0x1d5/0x640 [ 35.749776] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 35.755463] [ 35.755463] other info that might help us debug this: [ 35.755463] [ 35.763576] Chain exists of: [ 35.763576] "dio/%s"sb->s_id --> (&dio->complete_work) --> &sb->s_type->i_mutex_key#17 [ 35.763576] [ 35.776130] Possible unsafe locking scenario: [ 35.776130] [ 35.782252] CPU0 CPU1 [ 35.786891] ---- ---- [ 35.791528] lock(&sb->s_type->i_mutex_key#17); [ 35.796263] lock((&dio->complete_work)); [ 35.802988] lock(&sb->s_type->i_mutex_key#17); [ 35.810257] lock("dio/%s"sb->s_id); [ 35.814032] [ 35.814032] *** DEADLOCK *** [ 35.814032] [ 35.820063] 2 locks held by syz-executor768/8087: [ 35.824873] #0: (sb_writers#11){.+.+}, at: [] aio_write+0x408/0x560 [ 35.832994] #1: (&sb->s_type->i_mutex_key#17){+.+.}, at: [] generic_file_write_iter+0x99/0x650 [ 35.843459] [ 35.843459] stack backtrace: [ 35.847927] CPU: 0 PID: 8087 Comm: syz-executor768 Not tainted 4.14.260-syzkaller #0 [ 35.855777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.865105] Call Trace: [ 35.867673] dump_stack+0x1b2/0x281 [ 35.871279] print_circular_bug.constprop.0.cold+0x2d7/0x41e [ 35.877051] __lock_acquire+0x2e0e/0x3f20 [ 35.881173] ? lock_downgrade+0x740/0x740 [ 35.885295] ? trace_hardirqs_on+0x10/0x10 [ 35.889503] ? trace_hardirqs_on+0x10/0x10 [ 35.893727] ? lock_downgrade+0x740/0x740 [ 35.897858] ? unwind_get_return_address+0x51/0x90 [ 35.902769] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 35.907848] ? check_preemption_disabled+0x35/0x240 [ 35.912926] lock_acquire+0x170/0x3f0 [ 35.916704] ? flush_workqueue+0xcb/0x1310 [ 35.920920] flush_workqueue+0xfa/0x1310 [ 35.924955] ? flush_workqueue+0xcb/0x1310 [ 35.929162] ? drain_workqueue+0xb4/0x3e0 [ 35.933283] ? lock_downgrade+0x740/0x740 [ 35.937435] ? check_flush_dependency+0x2a0/0x2a0 [ 35.942253] ? lock_downgrade+0x740/0x740 [ 35.946379] drain_workqueue+0x177/0x3e0 [ 35.950429] ? mark_held_locks+0xa6/0xf0 [ 35.954476] destroy_workqueue+0x71/0x710 [ 35.958610] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 35.963609] __alloc_workqueue_key+0xd50/0x1080 [ 35.968256] ? workqueue_sysfs_register+0x3c0/0x3c0 [ 35.973251] ? __blockdev_direct_IO+0x325/0xdcb0 [ 35.977983] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 35.983471] sb_init_dio_done_wq+0x34/0x80 [ 35.987681] __blockdev_direct_IO+0x3df1/0xdcb0 [ 35.992504] ? fat_add_cluster+0xc0/0xc0 [ 35.996543] ? free_hot_cold_page_list+0x93/0x300 [ 36.001358] ? release_pages+0x828/0xbf0 [ 36.005395] ? sb_init_dio_done_wq+0x80/0x80 [ 36.009778] ? check_preemption_disabled+0x35/0x240 [ 36.014781] ? clear_shadow_entry+0x160/0x160 [ 36.019256] fat_direct_IO+0x19b/0x320 [ 36.023123] generic_file_direct_write+0x1df/0x420 [ 36.028042] __generic_file_write_iter+0x2a2/0x590 [ 36.032949] generic_file_write_iter+0x36f/0x650 [ 36.037681] aio_write+0x2ed/0x560 [ 36.041198] ? trace_hardirqs_on+0x10/0x10 [ 36.045408] ? aio_read+0x390/0x390 [ 36.049009] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 36.054012] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 36.058762] ? lock_acquire+0x170/0x3f0 [ 36.062729] ? lock_downgrade+0x740/0x740 [ 36.066861] do_io_submit+0x847/0x1570 [ 36.070727] ? __mutex_unlock_slowpath+0x75/0x770 [ 36.075660] ? aio_write+0x560/0x560 [ 36.079350] ? fput_many+0xe/0x140 [ 36.082865] ? do_syscall_64+0x4c/0x640 [ 36.086824] ? SyS_io_destroy+0x340/0x340 [ 36.090948] do_syscall_64+0x1d5/0x640 [ 36.094814] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 36.099976] RIP: 0033:0x7f17a7145cf9 [ 36.103659] RSP: 002b:00007f17a70f22e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 36.111340] RAX: ffffffffffffffda RBX: 00007f17a71ca4c0 RCX: 00007f17a7145cf9 [ 36.118582] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f17a70c9000 [ 36.125919] RBP: 00007f17a71970d0 R08: 0000000000000001 R09: 0000000000000033 [ 36.133166] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f17a71ca4cc [ 36.140415] R13: 00007f17a70f22f0 R14: 00007f17a71ca4c8 R15: 0000000000000001 executing program [ 36.254681] FAULT_INJECTION: forcing a failure. [ 36.254681] name failslab, interval 1, probability 0, space 0, times 0 [ 36.266792] CPU: 0 PID: 8097 Comm: syz-executor768 Not tainted 4.14.260-syzkaller #0 [ 36.274676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.284005] Call Trace: [ 36.286572] dump_stack+0x1b2/0x281 [ 36.290177] should_fail.cold+0x10a/0x149 [ 36.294306] ? mempool_free+0x1d0/0x1d0 [ 36.298256] should_failslab+0xd6/0x130 [ 36.302204] kmem_cache_alloc+0x40/0x3c0 [ 36.306240] ? mempool_free+0x1d0/0x1d0 [ 36.310189] mempool_alloc+0x10e/0x2d0 [ 36.314051] ? mempool_free+0x1d0/0x1d0 [ 36.318000] ? remove_element.isra.0+0x1b0/0x1b0 [ 36.322730] ? remove_element.isra.0+0x1b0/0x1b0 [ 36.327458] ? lock_downgrade+0x740/0x740 [ 36.331579] ? trace_hardirqs_on+0x10/0x10 [ 36.335793] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 36.341218] bvec_alloc+0xcc/0x2d0 [ 36.344737] bio_alloc_bioset+0x585/0x830 [ 36.348867] ? bvec_alloc+0x2d0/0x2d0 [ 36.352657] ? deref_stack_reg+0x124/0x1a0 [ 36.356866] mpage_alloc+0x56/0x2b0 [ 36.360466] __mpage_writepage+0xb33/0x11e0 [ 36.364762] ? lock_downgrade+0x740/0x740 [ 36.368887] ? clean_buffers.part.0+0x1b0/0x1b0 [ 36.373532] ? check_preemption_disabled+0x35/0x240 [ 36.378530] ? lock_downgrade+0x740/0x740 [ 36.382656] ? percpu_counter_add_batch+0xf8/0x160 [ 36.387570] ? clear_page_dirty_for_io+0x6e7/0xb80 [ 36.392473] write_cache_pages+0x505/0xd20 [ 36.396682] ? clean_buffers.part.0+0x1b0/0x1b0 [ 36.401327] ? kmem_cache_alloc+0x124/0x3c0 [ 36.405621] ? clear_page_dirty_for_io+0xb80/0xb80 [ 36.410525] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 36.415866] ? mem_cgroup_id_get_online+0xb0/0xb0 [ 36.420683] ? fat_add_cluster+0xc0/0xc0 [ 36.424719] ? fat_readpages+0x30/0x30 [ 36.428581] mpage_writepages+0xbe/0x1f0 [ 36.432621] ? __mpage_writepage+0x11e0/0x11e0 [ 36.437180] ? __mod_node_page_state+0x89/0xd0 [ 36.441736] ? fat_add_cluster+0xc0/0xc0 [ 36.445774] ? trace_hardirqs_on+0x10/0x10 [ 36.449991] ? trace_hardirqs_on+0x10/0x10 [ 36.454205] ? deref_stack_reg+0x124/0x1a0 [ 36.458411] ? trace_hardirqs_on+0x10/0x10 [ 36.462624] do_writepages+0xc3/0x240 [ 36.466399] ? page_writeback_cpu_online+0x10/0x10 [ 36.471301] ? lock_acquire+0x170/0x3f0 [ 36.475248] ? do_raw_spin_unlock+0x164/0x220 [ 36.479720] ? _raw_spin_unlock+0x29/0x40 [ 36.483842] ? wbc_attach_and_unlock_inode+0x5e8/0x8d0 [ 36.489096] __filemap_fdatawrite_range+0x236/0x310 [ 36.494087] ? replace_page_cache_page+0x700/0x700 [ 36.498993] filemap_write_and_wait_range+0x39/0xb0 [ 36.503982] generic_file_direct_write+0x31f/0x420 [ 36.508895] __generic_file_write_iter+0x2a2/0x590 [ 36.513803] generic_file_write_iter+0x36f/0x650 [ 36.518622] aio_write+0x2ed/0x560 [ 36.522139] ? trace_hardirqs_on+0x10/0x10 [ 36.526350] ? aio_read+0x390/0x390 [ 36.529953] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 36.534682] ? lock_acquire+0x170/0x3f0 [ 36.538633] ? lock_acquire+0x170/0x3f0 [ 36.542582] ? lock_downgrade+0x740/0x740 [ 36.546706] do_io_submit+0x847/0x1570 [ 36.550571] ? __mutex_unlock_slowpath+0x75/0x770 [ 36.555388] ? aio_write+0x560/0x560 [ 36.559077] ? fput_many+0xe/0x140 [ 36.562600] ? do_sys_ftruncate.constprop.0+0x34b/0x480 [ 36.567938] ? SyS_io_destroy+0x340/0x340 [ 36.572058] do_syscall_64+0x1d5/0x640 [ 36.575921] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 36.581086] RIP: 0033:0x7f17a7145cf9 [ 36.584770] RSP: 002b:00007f17a70f22e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 36.592453] RAX: ffffffffffffffda RBX: 00007f17a71ca4c0 RCX: 00007f17a7145cf9 [ 36.599702] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f17a70c9000 [ 36.606946] RBP: 00007f17a71970d0 R08: 0000000000000001 R09: 0000000000000033 [ 36.614191] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f17a71ca4cc [ 36.621436] R13: 00007f17a70f22f0 R14: 00007f17a71ca4c8 R15: 0000000000000001 executing program [ 36.744882] FAULT_INJECTION: forcing a failure. [ 36.744882] name failslab, interval 1, probability 0, space 0, times 0 [ 36.756440] CPU: 1 PID: 8105 Comm: syz-executor768 Not tainted 4.14.260-syzkaller #0 [ 36.764330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.773701] Call Trace: [ 36.776284] dump_stack+0x1b2/0x281 [ 36.779911] should_fail.cold+0x10a/0x149 [ 36.784058] ? do_raw_spin_unlock+0x164/0x220 [ 36.788559] ? mempool_free+0x1d0/0x1d0 [ 36.792731] should_failslab+0xd6/0x130 [ 36.796686] kmem_cache_alloc+0x40/0x3c0 [ 36.800723] ? mempool_free+0x1d0/0x1d0 [ 36.804673] mempool_alloc+0x10e/0x2d0 [ 36.808538] ? mempool_free+0x1d0/0x1d0 [ 36.812495] ? remove_element.isra.0+0x1b0/0x1b0 [ 36.817225] ? remove_element.isra.0+0x1b0/0x1b0 [ 36.821955] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 36.826688] ? trace_hardirqs_on+0x10/0x10 [ 36.830943] bvec_alloc+0xcc/0x2d0 [ 36.834478] bio_alloc_bioset+0x585/0x830 [ 36.838608] ? bvec_alloc+0x2d0/0x2d0 [ 36.842386] ? deref_stack_reg+0x124/0x1a0 [ 36.846598] mpage_alloc+0x56/0x2b0 [ 36.850201] __mpage_writepage+0xb33/0x11e0 [ 36.854504] ? lock_downgrade+0x740/0x740 [ 36.858625] ? clean_buffers.part.0+0x1b0/0x1b0 [ 36.863280] ? check_preemption_disabled+0x35/0x240 [ 36.868271] ? lock_downgrade+0x740/0x740 [ 36.872396] ? percpu_counter_add_batch+0xf8/0x160 [ 36.877302] ? clear_page_dirty_for_io+0x6e7/0xb80 [ 36.882299] write_cache_pages+0x505/0xd20 [ 36.886527] ? clean_buffers.part.0+0x1b0/0x1b0 [ 36.891220] ? kmem_cache_alloc+0x124/0x3c0 [ 36.895526] ? clear_page_dirty_for_io+0xb80/0xb80 [ 36.900436] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 36.905867] ? mem_cgroup_id_get_online+0xb0/0xb0 [ 36.910691] ? fat_add_cluster+0xc0/0xc0 [ 36.914739] ? fat_readpages+0x30/0x30 [ 36.918606] mpage_writepages+0xbe/0x1f0 [ 36.922652] ? __mpage_writepage+0x11e0/0x11e0 [ 36.927221] ? __mod_node_page_state+0x89/0xd0 [ 36.931801] ? fat_add_cluster+0xc0/0xc0 [ 36.935845] ? trace_hardirqs_on+0x10/0x10 [ 36.940053] ? trace_hardirqs_on+0x10/0x10 [ 36.944265] ? deref_stack_reg+0x124/0x1a0 [ 36.948473] ? trace_hardirqs_on+0x10/0x10 [ 36.952687] do_writepages+0xc3/0x240 [ 36.956462] ? page_writeback_cpu_online+0x10/0x10 [ 36.961365] ? lock_acquire+0x170/0x3f0 [ 36.965313] ? do_raw_spin_unlock+0x164/0x220 [ 36.969784] ? _raw_spin_unlock+0x29/0x40 [ 36.973907] ? wbc_attach_and_unlock_inode+0x5e8/0x8d0 [ 36.979158] __filemap_fdatawrite_range+0x236/0x310 [ 36.984150] ? replace_page_cache_page+0x700/0x700 [ 36.989058] filemap_write_and_wait_range+0x39/0xb0 [ 36.994064] generic_file_direct_write+0x31f/0x420 [ 36.998990] __generic_file_write_iter+0x2a2/0x590 [ 37.003907] generic_file_write_iter+0x36f/0x650 [ 37.008643] aio_write+0x2ed/0x560 [ 37.012163] ? trace_hardirqs_on+0x10/0x10 [ 37.016377] ? aio_read+0x390/0x390 [ 37.019978] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 37.024712] ? lock_acquire+0x170/0x3f0 [ 37.028661] ? lock_acquire+0x170/0x3f0 [ 37.032608] ? lock_downgrade+0x740/0x740 [ 37.036751] do_io_submit+0x847/0x1570 [ 37.040632] ? __mutex_unlock_slowpath+0x75/0x770 [ 37.045462] ? aio_write+0x560/0x560 [ 37.049158] ? fput_many+0xe/0x140 [ 37.052710] ? do_sys_ftruncate.constprop.0+0x34b/0x480 [ 37.058053] ? SyS_io_destroy+0x340/0x340 [ 37.062185] do_syscall_64+0x1d5/0x640 [ 37.066063] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.071232] RIP: 0033:0x7f17a7145cf9 [ 37.074923] RSP: 002b:00007f17a70f22e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 37.082627] RAX: ffffffffffffffda RBX: 00007f17a71ca4c0 RCX: 00007f17a7145cf9 [ 37.089876] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f17a70c9000 [ 37.097128] RBP: 00007f17a71970d0 R08: 0000000000000001 R09: 0000000000000033 [ 37.104377] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f17a71ca4cc [ 37.111626] R13: 00007f17a70f22f0 R14: 00007f17a71ca4c8 R15: 0000000000000001 executing program [ 37.263414] FAULT_INJECTION: forcing a failure. [ 37.263414] name failslab, interval 1, probability 0, space 0, times 0 [ 37.274990] CPU: 0 PID: 8113 Comm: syz-executor768 Not tainted 4.14.260-syzkaller #0 [ 37.282866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.292219] Call Trace: [ 37.294800] dump_stack+0x1b2/0x281 [ 37.298406] should_fail.cold+0x10a/0x149 [ 37.302535] ? mempool_free+0x1d0/0x1d0 [ 37.306488] should_failslab+0xd6/0x130 [ 37.310444] kmem_cache_alloc+0x40/0x3c0 [ 37.314482] ? mempool_free+0x1d0/0x1d0 [ 37.318431] mempool_alloc+0x10e/0x2d0 [ 37.322307] ? mempool_free+0x1d0/0x1d0 [ 37.326262] ? remove_element.isra.0+0x1b0/0x1b0 [ 37.330994] ? remove_element.isra.0+0x1b0/0x1b0 [ 37.335729] ? lock_downgrade+0x740/0x740 [ 37.339861] ? trace_hardirqs_on+0x10/0x10 [ 37.344155] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.349494] bvec_alloc+0xcc/0x2d0 [ 37.353008] bio_alloc_bioset+0x585/0x830 [ 37.357135] ? bvec_alloc+0x2d0/0x2d0 [ 37.360910] ? deref_stack_reg+0x124/0x1a0 [ 37.365122] mpage_alloc+0x56/0x2b0 [ 37.368726] __mpage_writepage+0xb33/0x11e0 [ 37.373023] ? lock_downgrade+0x740/0x740 [ 37.377152] ? clean_buffers.part.0+0x1b0/0x1b0 [ 37.381798] ? check_preemption_disabled+0x35/0x240 [ 37.386789] ? lock_downgrade+0x740/0x740 [ 37.390913] ? percpu_counter_add_batch+0xf8/0x160 [ 37.395818] ? clear_page_dirty_for_io+0x6e7/0xb80 [ 37.400724] write_cache_pages+0x505/0xd20 [ 37.404939] ? clean_buffers.part.0+0x1b0/0x1b0 [ 37.409585] ? kmem_cache_alloc+0x124/0x3c0 [ 37.413882] ? clear_page_dirty_for_io+0xb80/0xb80 [ 37.418786] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.424127] ? mem_cgroup_id_get_online+0xb0/0xb0 [ 37.428954] ? fat_add_cluster+0xc0/0xc0 [ 37.432990] ? fat_readpages+0x30/0x30 [ 37.436854] mpage_writepages+0xbe/0x1f0 [ 37.440907] ? __mpage_writepage+0x11e0/0x11e0 [ 37.445478] ? __mod_node_page_state+0x89/0xd0 [ 37.450044] ? fat_add_cluster+0xc0/0xc0 [ 37.454087] ? trace_hardirqs_on+0x10/0x10 [ 37.458302] ? trace_hardirqs_on+0x10/0x10 [ 37.462515] ? deref_stack_reg+0x124/0x1a0 [ 37.466727] ? trace_hardirqs_on+0x10/0x10 [ 37.470982] do_writepages+0xc3/0x240 [ 37.474777] ? page_writeback_cpu_online+0x10/0x10 [ 37.479686] ? lock_acquire+0x170/0x3f0 [ 37.483651] ? do_raw_spin_unlock+0x164/0x220 [ 37.488121] ? _raw_spin_unlock+0x29/0x40 [ 37.492250] ? wbc_attach_and_unlock_inode+0x5e8/0x8d0 [ 37.497508] __filemap_fdatawrite_range+0x236/0x310 [ 37.502519] ? replace_page_cache_page+0x700/0x700 [ 37.507427] filemap_write_and_wait_range+0x39/0xb0 [ 37.512418] generic_file_direct_write+0x31f/0x420 [ 37.517323] __generic_file_write_iter+0x2a2/0x590 [ 37.522229] generic_file_write_iter+0x36f/0x650 [ 37.526967] aio_write+0x2ed/0x560 [ 37.530482] ? trace_hardirqs_on+0x10/0x10 [ 37.534699] ? aio_read+0x390/0x390 [ 37.538301] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 37.543035] ? lock_acquire+0x170/0x3f0 [ 37.546984] ? lock_acquire+0x170/0x3f0 [ 37.550934] ? lock_downgrade+0x740/0x740 [ 37.555059] do_io_submit+0x847/0x1570 [ 37.558926] ? __mutex_unlock_slowpath+0x75/0x770 [ 37.563743] ? aio_write+0x560/0x560 [ 37.567452] ? fput_many+0xe/0x140 [ 37.570977] ? do_sys_ftruncate.constprop.0+0x34b/0x480 [ 37.576318] ? SyS_io_destroy+0x340/0x340 [ 37.580445] do_syscall_64+0x1d5/0x640 [ 37.584398] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.589570] RIP: 0033:0x7f17a7145cf9 [ 37.593259] RSP: 002b:00007f17a70f22e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 37.600951] RAX: ffffffffffffffda RBX: 00007f17a71ca4c0 RCX: 00007f17a7145cf9 [ 37.608426] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f17a70c9000 [ 37.615677] RBP: 00007f17a71970d0 R08: 0000000000000001 R09: 0000000000000033 [ 37.622929] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f17a71ca4cc [ 37.630185] R13: 00007f17a70f22f0 R14: 00007f17a71ca4c8 R15: 0000000000000001 executing program [ 37.780851] FAULT_INJECTION: forcing a failure. [ 37.780851] name failslab, interval 1, probability 0, space 0, times 0 [ 37.792513] CPU: 0 PID: 8121 Comm: syz-executor768 Not tainted 4.14.260-syzkaller #0 [ 37.800392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.809731] Call Trace: [ 37.812298] dump_stack+0x1b2/0x281 [ 37.815905] should_fail.cold+0x10a/0x149 [ 37.820030] ? mempool_free+0x1d0/0x1d0 [ 37.824117] should_failslab+0xd6/0x130 [ 37.828143] kmem_cache_alloc+0x40/0x3c0 [ 37.832181] ? mempool_free+0x1d0/0x1d0 [ 37.836219] mempool_alloc+0x10e/0x2d0 [ 37.840081] ? mempool_free+0x1d0/0x1d0 [ 37.844032] ? remove_element.isra.0+0x1b0/0x1b0 [ 37.848763] ? remove_element.isra.0+0x1b0/0x1b0 [ 37.853495] ? lock_downgrade+0x740/0x740 [ 37.857620] ? trace_hardirqs_on+0x10/0x10 [ 37.861832] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.867184] bvec_alloc+0xcc/0x2d0 [ 37.870711] bio_alloc_bioset+0x585/0x830 [ 37.874850] ? bvec_alloc+0x2d0/0x2d0 [ 37.878718] ? deref_stack_reg+0x124/0x1a0 [ 37.883031] mpage_alloc+0x56/0x2b0 [ 37.886639] __mpage_writepage+0xb33/0x11e0 [ 37.890942] ? lock_downgrade+0x740/0x740 [ 37.895068] ? clean_buffers.part.0+0x1b0/0x1b0 [ 37.899715] ? check_preemption_disabled+0x35/0x240 [ 37.906718] ? lock_downgrade+0x740/0x740 [ 37.910843] ? percpu_counter_add_batch+0xf8/0x160 [ 37.915752] ? clear_page_dirty_for_io+0x6e7/0xb80 [ 37.920683] write_cache_pages+0x505/0xd20 [ 37.924902] ? clean_buffers.part.0+0x1b0/0x1b0 [ 37.929728] ? kmem_cache_alloc+0x124/0x3c0 [ 37.934025] ? clear_page_dirty_for_io+0xb80/0xb80 [ 37.939019] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.944359] ? mem_cgroup_id_get_online+0xb0/0xb0 [ 37.949177] ? fat_add_cluster+0xc0/0xc0 [ 37.953213] ? fat_readpages+0x30/0x30 [ 37.957075] mpage_writepages+0xbe/0x1f0 [ 37.961111] ? __mpage_writepage+0x11e0/0x11e0 [ 37.965668] ? __mod_node_page_state+0x89/0xd0 [ 37.970241] ? fat_add_cluster+0xc0/0xc0 [ 37.974281] ? trace_hardirqs_on+0x10/0x10 [ 37.978489] ? trace_hardirqs_on+0x10/0x10 [ 37.982699] ? deref_stack_reg+0x124/0x1a0 [ 37.986915] ? trace_hardirqs_on+0x10/0x10 [ 37.991125] do_writepages+0xc3/0x240 [ 37.994914] ? page_writeback_cpu_online+0x10/0x10 [ 37.999826] ? lock_acquire+0x170/0x3f0 [ 38.003784] ? do_raw_spin_unlock+0x164/0x220 [ 38.008257] ? _raw_spin_unlock+0x29/0x40 [ 38.012386] ? wbc_attach_and_unlock_inode+0x5e8/0x8d0 [ 38.017651] __filemap_fdatawrite_range+0x236/0x310 [ 38.022648] ? replace_page_cache_page+0x700/0x700 [ 38.027564] filemap_write_and_wait_range+0x39/0xb0 [ 38.032559] generic_file_direct_write+0x31f/0x420 [ 38.037464] __generic_file_write_iter+0x2a2/0x590 [ 38.042455] generic_file_write_iter+0x36f/0x650 [ 38.047203] aio_write+0x2ed/0x560 [ 38.050724] ? trace_hardirqs_on+0x10/0x10 [ 38.054934] ? aio_read+0x390/0x390 [ 38.058550] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 38.063294] ? lock_acquire+0x170/0x3f0 [ 38.067270] ? lock_acquire+0x170/0x3f0 [ 38.071221] ? lock_downgrade+0x740/0x740 [ 38.075350] do_io_submit+0x847/0x1570 [ 38.079237] ? __mutex_unlock_slowpath+0x75/0x770 [ 38.084069] ? aio_write+0x560/0x560 [ 38.087948] ? fput_many+0xe/0x140 [ 38.091460] ? do_sys_ftruncate.constprop.0+0x34b/0x480 [ 38.096802] ? SyS_io_destroy+0x340/0x340 [ 38.100923] do_syscall_64+0x1d5/0x640 [ 38.104790] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 38.109952] RIP: 0033:0x7f17a7145cf9 [ 38.113638] RSP: 002b:00007f17a70f22e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 38.121318] RAX: ffffffffffffffda RBX: 00007f17a71ca4c0 RCX: 00007f17a7145cf9 [ 38.128561] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f17a70c9000 [ 38.135846] RBP: 00007f17a71970d0 R08: 0000000000000001 R09: 0000000000000033 [ 38.143265] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f17a71ca4cc [ 38.150505] R13: 00007f17a70f22f0 R14: 00007f17a71ca4c8 R15: 0000000000000001 executing program [ 38.293516] FAULT_INJECTION: forcing a failure. [ 38.293516] name failslab, interval 1, probability 0, space 0, times 0 [ 38.305150] CPU: 1 PID: 8130 Comm: syz-executor768 Not tainted 4.14.260-syzkaller #0 [ 38.313032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.322378] Call Trace: [ 38.324960] dump_stack+0x1b2/0x281 [ 38.328587] should_fail.cold+0x10a/0x149 [ 38.332738] ? mempool_free+0x1d0/0x1d0 [ 38.336709] should_failslab+0xd6/0x130 [ 38.340832] kmem_cache_alloc+0x40/0x3c0 [ 38.344955] ? mempool_free+0x1d0/0x1d0 [ 38.348923] mempool_alloc+0x10e/0x2d0 [ 38.352841] ? mempool_free+0x1d0/0x1d0 [ 38.356802] ? remove_element.isra.0+0x1b0/0x1b0 [ 38.361536] ? remove_element.isra.0+0x1b0/0x1b0 [ 38.366277] ? lock_downgrade+0x740/0x740 [ 38.370406] ? trace_hardirqs_on+0x10/0x10 [ 38.374616] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 38.379956] bvec_alloc+0xcc/0x2d0 [ 38.383477] bio_alloc_bioset+0x585/0x830 [ 38.387600] ? bvec_alloc+0x2d0/0x2d0 [ 38.391372] ? deref_stack_reg+0x124/0x1a0 [ 38.395581] mpage_alloc+0x56/0x2b0 [ 38.399187] __mpage_writepage+0xb33/0x11e0 [ 38.403485] ? lock_downgrade+0x740/0x740 [ 38.407608] ? clean_buffers.part.0+0x1b0/0x1b0 [ 38.412257] ? check_preemption_disabled+0x35/0x240 [ 38.417247] ? lock_downgrade+0x740/0x740 [ 38.421369] ? percpu_counter_add_batch+0xf8/0x160 [ 38.426285] ? clear_page_dirty_for_io+0x6e7/0xb80 [ 38.431188] write_cache_pages+0x505/0xd20 [ 38.435397] ? clean_buffers.part.0+0x1b0/0x1b0 [ 38.440125] ? kmem_cache_alloc+0x124/0x3c0 [ 38.444422] ? clear_page_dirty_for_io+0xb80/0xb80 [ 38.449326] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 38.454930] ? mem_cgroup_id_get_online+0xb0/0xb0 [ 38.459748] ? fat_add_cluster+0xc0/0xc0 [ 38.463792] ? fat_readpages+0x30/0x30 [ 38.467656] mpage_writepages+0xbe/0x1f0 [ 38.471702] ? __mpage_writepage+0x11e0/0x11e0 [ 38.476296] ? __mod_node_page_state+0x89/0xd0 [ 38.480855] ? fat_add_cluster+0xc0/0xc0 [ 38.484891] ? trace_hardirqs_on+0x10/0x10 [ 38.489118] ? trace_hardirqs_on+0x10/0x10 [ 38.493329] ? deref_stack_reg+0x124/0x1a0 [ 38.497537] ? trace_hardirqs_on+0x10/0x10 [ 38.501749] do_writepages+0xc3/0x240 [ 38.505526] ? page_writeback_cpu_online+0x10/0x10 [ 38.510428] ? lock_acquire+0x170/0x3f0 [ 38.514374] ? do_raw_spin_unlock+0x164/0x220 [ 38.518841] ? _raw_spin_unlock+0x29/0x40 [ 38.522964] ? wbc_attach_and_unlock_inode+0x5e8/0x8d0 [ 38.528218] __filemap_fdatawrite_range+0x236/0x310 [ 38.533469] ? replace_page_cache_page+0x700/0x700 [ 38.538374] filemap_write_and_wait_range+0x39/0xb0 [ 38.543363] generic_file_direct_write+0x31f/0x420 [ 38.548272] __generic_file_write_iter+0x2a2/0x590 [ 38.553182] generic_file_write_iter+0x36f/0x650 [ 38.557915] aio_write+0x2ed/0x560 [ 38.561430] ? trace_hardirqs_on+0x10/0x10 [ 38.565643] ? aio_read+0x390/0x390 [ 38.569245] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 38.574066] ? lock_acquire+0x170/0x3f0 [ 38.578043] ? lock_acquire+0x170/0x3f0 [ 38.581994] ? lock_downgrade+0x740/0x740 [ 38.586141] do_io_submit+0x847/0x1570 [ 38.590011] ? __mutex_unlock_slowpath+0x75/0x770 [ 38.594829] ? aio_write+0x560/0x560 [ 38.598518] ? fput_many+0xe/0x140 [ 38.602033] ? do_sys_ftruncate.constprop.0+0x34b/0x480 [ 38.607374] ? SyS_io_destroy+0x340/0x340 [ 38.611499] do_syscall_64+0x1d5/0x640 [ 38.615377] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 38.620551] RIP: 0033:0x7f17a7145cf9 [ 38.624241] RSP: 002b:00007f17a70f22e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 38.631924] RAX: ffffffffffffffda RBX: 00007f17a71ca4c0 RCX: 00007f17a7145cf9 [ 38.639171] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f17a70c9000 [ 38.646426] RBP: 00007f17a71970d0 R08: 0000000000000001 R09: 0000000000000033 [ 38.653687] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f17a71ca4cc [ 38.660941] R13: 00007f17a70f22f0 R14: 00007f17a71ca4c8 R15: 0000000000000001 executing program [ 38.832591] FAULT_INJECTION: forcing a failure. [ 38.832591] name failslab, interval 1, probability 0, space 0, times 0 [ 38.845489] CPU: 0 PID: 8139 Comm: syz-executor768 Not tainted 4.14.260-syzkaller #0 [ 38.853379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.862711] Call Trace: [ 38.865278] dump_stack+0x1b2/0x281 [ 38.868894] should_fail.cold+0x10a/0x149 [ 38.873025] ? mempool_free+0x1d0/0x1d0 [ 38.876978] should_failslab+0xd6/0x130 [ 38.880931] kmem_cache_alloc+0x40/0x3c0 [ 38.884970] ? mempool_free+0x1d0/0x1d0 [ 38.888924] mempool_alloc+0x10e/0x2d0 [ 38.892787] ? mempool_free+0x1d0/0x1d0 [ 38.896738] ? remove_element.isra.0+0x1b0/0x1b0 [ 38.901477] ? remove_element.isra.0+0x1b0/0x1b0 [ 38.906208] ? lock_downgrade+0x740/0x740 [ 38.910329] ? trace_hardirqs_on+0x10/0x10 [ 38.914542] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 38.920060] bvec_alloc+0xcc/0x2d0 [ 38.923704] bio_alloc_bioset+0x585/0x830 [ 38.927830] ? bvec_alloc+0x2d0/0x2d0 [ 38.931610] ? deref_stack_reg+0x124/0x1a0 [ 38.935830] mpage_alloc+0x56/0x2b0 [ 38.939440] __mpage_writepage+0xb33/0x11e0 [ 38.943738] ? lock_downgrade+0x740/0x740 [ 38.947868] ? clean_buffers.part.0+0x1b0/0x1b0 [ 38.952511] ? check_preemption_disabled+0x35/0x240 [ 38.957512] ? lock_downgrade+0x740/0x740 [ 38.961647] ? percpu_counter_add_batch+0xf8/0x160 [ 38.966560] ? clear_page_dirty_for_io+0x6e7/0xb80 [ 38.971471] write_cache_pages+0x505/0xd20 [ 38.975685] ? clean_buffers.part.0+0x1b0/0x1b0 [ 38.980335] ? kmem_cache_alloc+0x124/0x3c0 [ 38.984783] ? clear_page_dirty_for_io+0xb80/0xb80 [ 38.989785] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 38.995129] ? mem_cgroup_id_get_online+0xb0/0xb0 [ 39.000043] ? fat_add_cluster+0xc0/0xc0 [ 39.004084] ? fat_readpages+0x30/0x30 [ 39.007949] mpage_writepages+0xbe/0x1f0 [ 39.012000] ? __mpage_writepage+0x11e0/0x11e0 [ 39.016624] ? __mod_node_page_state+0x89/0xd0 [ 39.021192] ? fat_add_cluster+0xc0/0xc0 [ 39.025229] ? trace_hardirqs_on+0x10/0x10 [ 39.029438] ? trace_hardirqs_on+0x10/0x10 [ 39.033649] ? deref_stack_reg+0x124/0x1a0 [ 39.037884] ? trace_hardirqs_on+0x10/0x10 [ 39.042105] do_writepages+0xc3/0x240 [ 39.045886] ? page_writeback_cpu_online+0x10/0x10 [ 39.050791] ? lock_acquire+0x170/0x3f0 [ 39.054741] ? do_raw_spin_unlock+0x164/0x220 [ 39.059217] ? _raw_spin_unlock+0x29/0x40 [ 39.063439] ? wbc_attach_and_unlock_inode+0x5e8/0x8d0 [ 39.068697] __filemap_fdatawrite_range+0x236/0x310 [ 39.073816] ? replace_page_cache_page+0x700/0x700 [ 39.078730] filemap_write_and_wait_range+0x39/0xb0 [ 39.083726] generic_file_direct_write+0x31f/0x420 [ 39.088637] __generic_file_write_iter+0x2a2/0x590 [ 39.093542] generic_file_write_iter+0x36f/0x650 [ 39.098346] aio_write+0x2ed/0x560 [ 39.101863] ? trace_hardirqs_on+0x10/0x10 [ 39.106078] ? aio_read+0x390/0x390 [ 39.109683] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 39.114414] ? lock_acquire+0x170/0x3f0 [ 39.118368] ? lock_acquire+0x170/0x3f0 [ 39.122319] ? lock_downgrade+0x740/0x740 [ 39.126444] do_io_submit+0x847/0x1570 [ 39.130308] ? __mutex_unlock_slowpath+0x75/0x770 [ 39.135128] ? aio_write+0x560/0x560 [ 39.138905] ? fput_many+0xe/0x140 [ 39.142432] ? do_sys_ftruncate.constprop.0+0x34b/0x480 [ 39.147768] ? SyS_io_destroy+0x340/0x340 [ 39.151888] do_syscall_64+0x1d5/0x640 [ 39.155851] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 39.161017] RIP: 0033:0x7f17a7145cf9 [ 39.164710] RSP: 002b:00007f17a70f22e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 39.172392] RAX: ffffffffffffffda RBX: 00007f17a71ca4c0 RCX: 00007f17a7145cf9 [ 39.179636] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f17a70c9000 [ 39.186880] RBP: 00007f17a71970d0 R08: 0000000000000001 R09: 0000000000000033 [ 39.194124] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f17a71ca4cc [ 39.201367] R13: 00007f17a70f22f0 R14: 00007f17a71ca4c8 R15: 0000000000000001 executing program [ 39.370513] FAULT_INJECTION: forcing a failure. [ 39.370513] name failslab, interval 1, probability 0, space 0, times 0 [ 39.382101] CPU: 1 PID: 8147 Comm: syz-executor768 Not tainted 4.14.260-syzkaller #0 [ 39.389985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.399331] Call Trace: [ 39.401907] dump_stack+0x1b2/0x281 [ 39.405511] should_fail.cold+0x10a/0x149 [ 39.409638] ? mempool_free+0x1d0/0x1d0 [ 39.413587] should_failslab+0xd6/0x130 [ 39.417541] kmem_cache_alloc+0x40/0x3c0 [ 39.421577] ? mempool_free+0x1d0/0x1d0 [ 39.425523] mempool_alloc+0x10e/0x2d0 [ 39.429383] ? mempool_free+0x1d0/0x1d0 [ 39.433334] ? remove_element.isra.0+0x1b0/0x1b0 [ 39.438064] ? remove_element.isra.0+0x1b0/0x1b0 [ 39.442795] ? lock_downgrade+0x740/0x740 [ 39.446921] ? trace_hardirqs_on+0x10/0x10 [ 39.451130] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 39.456469] bvec_alloc+0xcc/0x2d0 [ 39.459987] bio_alloc_bioset+0x585/0x830 [ 39.464109] ? bvec_alloc+0x2d0/0x2d0 [ 39.467924] ? deref_stack_reg+0x124/0x1a0 [ 39.472132] mpage_alloc+0x56/0x2b0 [ 39.475794] __mpage_writepage+0xb33/0x11e0 [ 39.480090] ? lock_downgrade+0x740/0x740 [ 39.484210] ? clean_buffers.part.0+0x1b0/0x1b0 [ 39.488852] ? check_preemption_disabled+0x35/0x240 [ 39.493841] ? lock_downgrade+0x740/0x740 [ 39.497965] ? percpu_counter_add_batch+0xf8/0x160 [ 39.502869] ? clear_page_dirty_for_io+0x6e7/0xb80 [ 39.507772] write_cache_pages+0x505/0xd20 [ 39.511999] ? clean_buffers.part.0+0x1b0/0x1b0 [ 39.516640] ? kmem_cache_alloc+0x124/0x3c0 [ 39.520933] ? clear_page_dirty_for_io+0xb80/0xb80 [ 39.525836] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 39.531177] ? mem_cgroup_id_get_online+0xb0/0xb0 [ 39.535993] ? fat_add_cluster+0xc0/0xc0 [ 39.540031] ? fat_readpages+0x30/0x30 [ 39.543897] mpage_writepages+0xbe/0x1f0 [ 39.547931] ? __mpage_writepage+0x11e0/0x11e0 [ 39.552484] ? __mod_node_page_state+0x89/0xd0 [ 39.557037] ? fat_add_cluster+0xc0/0xc0 [ 39.561072] ? trace_hardirqs_on+0x10/0x10 [ 39.565280] ? trace_hardirqs_on+0x10/0x10 [ 39.569489] ? deref_stack_reg+0x124/0x1a0 [ 39.573696] ? trace_hardirqs_on+0x10/0x10 [ 39.577904] do_writepages+0xc3/0x240 [ 39.581676] ? page_writeback_cpu_online+0x10/0x10 [ 39.586579] ? lock_acquire+0x170/0x3f0 [ 39.590525] ? do_raw_spin_unlock+0x164/0x220 [ 39.594994] ? _raw_spin_unlock+0x29/0x40 [ 39.599117] ? wbc_attach_and_unlock_inode+0x5e8/0x8d0 [ 39.604366] __filemap_fdatawrite_range+0x236/0x310 [ 39.609355] ? replace_page_cache_page+0x700/0x700 [ 39.614261] filemap_write_and_wait_range+0x39/0xb0 [ 39.619252] generic_file_direct_write+0x31f/0x420 [ 39.624158] __generic_file_write_iter+0x2a2/0x590 [ 39.629062] generic_file_write_iter+0x36f/0x650 [ 39.633792] aio_write+0x2ed/0x560 [ 39.637305] ? trace_hardirqs_on+0x10/0x10 [ 39.641511] ? aio_read+0x390/0x390 [ 39.645112] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 39.649840] ? lock_acquire+0x170/0x3f0 [ 39.653787] ? lock_acquire+0x170/0x3f0 [ 39.657734] ? lock_downgrade+0x740/0x740 [ 39.661855] do_io_submit+0x847/0x1570 [ 39.665720] ? __mutex_unlock_slowpath+0x75/0x770 [ 39.670542] ? aio_write+0x560/0x560 [ 39.674229] ? fput_many+0xe/0x140 [ 39.677757] ? do_sys_ftruncate.constprop.0+0x34b/0x480 [ 39.683109] ? SyS_io_destroy+0x340/0x340 [ 39.687255] do_syscall_64+0x1d5/0x640 [ 39.691132] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 39.696300] RIP: 0033:0x7f17a7145cf9 [ 39.699990] RSP: 002b:00007f17a70f22e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 39.707672] RAX: ffffffffffffffda RBX: 00007f17a71ca4c0 RCX: 00007f17a7145cf9 [ 39.714915] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f17a70c9000 [ 39.722160] RBP: 00007f17a71970d0 R08: 0000000000000001 R09: 0000000000000033 [ 39.729405] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f17a71ca4cc [ 39.737045] R13: 00007f17a70f22f0 R14: 00007f17a71ca4c8 R15: 0000000000000001 executing program [ 39.870844] FAULT_INJECTION: forcing a failure. [ 39.870844] name failslab, interval 1, probability 0, space 0, times 0 [ 39.882138] CPU: 1 PID: 8155 Comm: syz-executor768 Not tainted 4.14.260-syzkaller #0 [ 39.890023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.899370] Call Trace: [ 39.901957] dump_stack+0x1b2/0x281 [ 39.905592] should_fail.cold+0x10a/0x149 [ 39.909738] ? mempool_free+0x1d0/0x1d0 [ 39.913717] should_failslab+0xd6/0x130 [ 39.917674] kmem_cache_alloc+0x40/0x3c0 [ 39.922147] ? mempool_free+0x1d0/0x1d0 [ 39.926182] mempool_alloc+0x10e/0x2d0 [ 39.930041] ? mempool_free+0x1d0/0x1d0 [ 39.933996] ? remove_element.isra.0+0x1b0/0x1b0 [ 39.938723] ? remove_element.isra.0+0x1b0/0x1b0 [ 39.943453] ? __switch_to_xtra+0x93/0x12f0 [ 39.947752] bvec_alloc+0xcc/0x2d0 [ 39.951273] bio_alloc_bioset+0x585/0x830 [ 39.955394] ? bvec_alloc+0x2d0/0x2d0 [ 39.959170] ? finish_task_switch+0x178/0x610 [ 39.963644] mpage_alloc+0x56/0x2b0 [ 39.967246] __mpage_writepage+0xb33/0x11e0 [ 39.971544] ? lock_downgrade+0x740/0x740 [ 39.975666] ? clean_buffers.part.0+0x1b0/0x1b0 [ 39.980311] ? check_preemption_disabled+0x35/0x240 [ 39.985305] ? lock_downgrade+0x740/0x740 [ 39.989427] ? percpu_counter_add_batch+0xf8/0x160 [ 39.994331] ? clear_page_dirty_for_io+0x6e7/0xb80 [ 39.999232] write_cache_pages+0x505/0xd20 [ 40.003447] ? clean_buffers.part.0+0x1b0/0x1b0 [ 40.008088] ? clear_page_dirty_for_io+0xb80/0xb80 [ 40.012991] ? finish_task_switch+0x14d/0x610 [ 40.017464] ? mem_cgroup_id_get_online+0xb0/0xb0 [ 40.022279] ? fat_add_cluster+0xc0/0xc0 [ 40.026315] ? fat_readpages+0x30/0x30 [ 40.030177] mpage_writepages+0xbe/0x1f0 [ 40.034214] ? __mpage_writepage+0x11e0/0x11e0 [ 40.038771] ? fat_add_cluster+0xc0/0xc0 [ 40.042810] ? trace_hardirqs_on+0x10/0x10 [ 40.047025] ? trace_hardirqs_on+0x10/0x10 [ 40.051235] ? deref_stack_reg+0x124/0x1a0 [ 40.055443] ? trace_hardirqs_on+0x10/0x10 [ 40.059653] do_writepages+0xc3/0x240 [ 40.063431] ? page_writeback_cpu_online+0x10/0x10 [ 40.068596] ? lock_acquire+0x170/0x3f0 [ 40.072543] ? do_raw_spin_unlock+0x164/0x220 [ 40.077014] ? _raw_spin_unlock+0x29/0x40 [ 40.081137] ? wbc_attach_and_unlock_inode+0x5e8/0x8d0 [ 40.086443] __filemap_fdatawrite_range+0x236/0x310 [ 40.091436] ? replace_page_cache_page+0x700/0x700 [ 40.096341] filemap_write_and_wait_range+0x39/0xb0 [ 40.101332] generic_file_direct_write+0x31f/0x420 [ 40.106236] __generic_file_write_iter+0x2a2/0x590 [ 40.111138] generic_file_write_iter+0x36f/0x650 [ 40.115872] aio_write+0x2ed/0x560 [ 40.119412] ? trace_hardirqs_on+0x10/0x10 [ 40.123625] ? aio_read+0x390/0x390 [ 40.127232] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 40.132094] ? lock_acquire+0x170/0x3f0 [ 40.136061] ? lock_acquire+0x170/0x3f0 [ 40.140170] ? lock_downgrade+0x740/0x740 [ 40.144296] do_io_submit+0x847/0x1570 [ 40.149813] ? __mutex_unlock_slowpath+0x75/0x770 [ 40.154633] ? aio_write+0x560/0x560 [ 40.158326] ? fput_many+0xe/0x140 [ 40.161845] ? do_sys_ftruncate.constprop.0+0x34b/0x480 [ 40.167182] ? SyS_io_destroy+0x340/0x340 [ 40.171307] do_syscall_64+0x1d5/0x640 [ 40.175171] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 40.180337] RIP: 0033:0x7f17a7145cf9 [ 40.184023] RSP: 002b:00007f17a70f22e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 40.191703] RAX: ffffffffffffffda RBX: 00007f17a71ca4c0 RCX: 00007f17a7145cf9 [ 40.198947] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f17a70c9000 [ 40.206193] RBP: 00007f17a71970d0 R08: 0000000000000001 R09: 0000000000000033 [ 40.213483] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f17a71ca4cc [ 40.220729] R13: 00007f17a70f22f0 R14: 00007f17a71ca4c8 R15: 0000000000000001 executing program [ 40.381699] FAULT_INJECTION: forcing a failure. [ 40.381699] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 40.393526] CPU: 1 PID: 8165 Comm: syz-executor768 Not tainted 4.14.260-syzkaller #0 [ 40.401402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.410747] Call Trace: [ 40.413317] dump_stack+0x1b2/0x281 [ 40.416922] should_fail.cold+0x10a/0x149 [ 40.421046] __alloc_pages_nodemask+0x22c/0x2720 [ 40.425781] ? trace_hardirqs_on+0x10/0x10 [ 40.429990] ? deref_stack_reg+0x124/0x1a0 [ 40.434197] ? trace_hardirqs_on+0x10/0x10 [ 40.438403] ? __read_once_size_nocheck.constprop.0+0x10/0x10 [ 40.444261] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 40.449077] ? unwind_next_frame+0xe54/0x17d0 [ 40.453544] ? __save_stack_trace+0x63/0x160 [ 40.457926] ? deref_stack_reg+0x124/0x1a0 [ 40.462134] ? lock_acquire+0x170/0x3f0 [ 40.466081] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 40.471424] cache_grow_begin+0x91/0x700 [ 40.475553] ? __kernel_text_address+0x9/0x30 [ 40.480067] ? check_preemption_disabled+0x35/0x240 [ 40.485068] cache_alloc_refill+0x273/0x350 [ 40.489382] kmem_cache_alloc+0x333/0x3c0 [ 40.493507] ? mempool_free+0x1d0/0x1d0 [ 40.497458] mempool_alloc+0x10e/0x2d0 [ 40.501320] ? remove_element.isra.0+0x1b0/0x1b0 [ 40.506048] ? lock_downgrade+0x740/0x740 [ 40.510172] ? trace_hardirqs_on+0x10/0x10 [ 40.514437] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 40.519777] ? trace_hardirqs_on+0x10/0x10 [ 40.523985] ? deref_stack_reg+0x124/0x1a0 [ 40.528202] bio_alloc_bioset+0x41b/0x830 [ 40.532337] ? bvec_alloc+0x2d0/0x2d0 [ 40.536111] ? __save_stack_trace+0x63/0x160 [ 40.540493] ? deref_stack_reg+0x124/0x1a0 [ 40.544702] mpage_alloc+0x56/0x2b0 [ 40.548307] __mpage_writepage+0xb33/0x11e0 [ 40.552603] ? lock_downgrade+0x740/0x740 [ 40.556727] ? clean_buffers.part.0+0x1b0/0x1b0 [ 40.561372] ? check_preemption_disabled+0x35/0x240 [ 40.566448] ? lock_downgrade+0x740/0x740 [ 40.570571] ? percpu_counter_add_batch+0xf8/0x160 [ 40.575482] ? clear_page_dirty_for_io+0x6e7/0xb80 [ 40.580396] write_cache_pages+0x505/0xd20 [ 40.584606] ? clean_buffers.part.0+0x1b0/0x1b0 [ 40.589250] ? kmem_cache_alloc+0x124/0x3c0 [ 40.593546] ? clear_page_dirty_for_io+0xb80/0xb80 [ 40.598449] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 40.603788] ? mem_cgroup_id_get_online+0xb0/0xb0 [ 40.608605] ? fat_add_cluster+0xc0/0xc0 [ 40.612649] ? fat_readpages+0x30/0x30 [ 40.616513] mpage_writepages+0xbe/0x1f0 [ 40.620550] ? __mpage_writepage+0x11e0/0x11e0 [ 40.625115] ? __mod_node_page_state+0x89/0xd0 [ 40.629672] ? fat_add_cluster+0xc0/0xc0 [ 40.633715] ? trace_hardirqs_on+0x10/0x10 [ 40.637921] ? trace_hardirqs_on+0x10/0x10 [ 40.642130] ? deref_stack_reg+0x124/0x1a0 [ 40.646349] ? trace_hardirqs_on+0x10/0x10 [ 40.650556] do_writepages+0xc3/0x240 [ 40.654398] ? page_writeback_cpu_online+0x10/0x10 [ 40.659313] ? lock_acquire+0x170/0x3f0 [ 40.663262] ? do_raw_spin_unlock+0x164/0x220 [ 40.667733] ? _raw_spin_unlock+0x29/0x40 [ 40.671854] ? wbc_attach_and_unlock_inode+0x5e8/0x8d0 [ 40.677108] __filemap_fdatawrite_range+0x236/0x310 [ 40.682101] ? replace_page_cache_page+0x700/0x700 [ 40.687007] filemap_write_and_wait_range+0x39/0xb0 [ 40.692008] generic_file_direct_write+0x31f/0x420 [ 40.696912] __generic_file_write_iter+0x2a2/0x590 [ 40.701819] generic_file_write_iter+0x36f/0x650 [ 40.706551] aio_write+0x2ed/0x560 [ 40.710110] ? trace_hardirqs_on+0x10/0x10 [ 40.714325] ? aio_read+0x390/0x390 [ 40.717926] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 40.722655] ? lock_acquire+0x170/0x3f0 [ 40.726610] ? lock_acquire+0x170/0x3f0 [ 40.730562] ? lock_downgrade+0x740/0x740 [ 40.734690] do_io_submit+0x847/0x1570 [ 40.738579] ? __mutex_unlock_slowpath+0x75/0x770 [ 40.743397] ? aio_write+0x560/0x560 [ 40.747795] ? fput_many+0xe/0x140 [ 40.751310] ? do_sys_ftruncate.constprop.0+0x34b/0x480 [ 40.756649] ? SyS_io_destroy+0x340/0x340 [ 40.760771] do_syscall_64+0x1d5/0x640 [ 40.764637] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 40.769799] RIP: 0033:0x7f17a7145cf9 [ 40.773500] RSP: 002b:00007f17a70f22e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 40.781182] RAX: ffffffffffffffda RBX: 00007f17a71ca4c0 RCX: 00007f17a7145cf9 [ 40.788430] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f17a70c9000 [ 40.795675] RBP: 00007f17a71970d0 R08: 0000000000000001 R09: 0000000000000033 [ 40.803179] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f17a71ca4cc [ 40.810433] R13: 00007f17a70f22f0 R14: 00007f17a71ca4c8 R15: 0000000000000001 executing program [ 40.987752] FAULT_INJECTION: forcing a failure. [ 40.987752] name failslab, interval 1, probability 0, space 0, times 0 [ 40.999151] CPU: 0 PID: 8174 Comm: syz-executor768 Not tainted 4.14.260-syzkaller #0 [ 41.007077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.016409] Call Trace: [ 41.018977] dump_stack+0x1b2/0x281 [ 41.022584] should_fail.cold+0x10a/0x149 [ 41.026710] ? mempool_free+0x1d0/0x1d0 [ 41.030661] should_failslab+0xd6/0x130 [ 41.034613] kmem_cache_alloc+0x40/0x3c0 [ 41.038653] ? mempool_free+0x1d0/0x1d0 [ 41.042602] mempool_alloc+0x10e/0x2d0 [ 41.046465] ? mempool_free+0x1d0/0x1d0 [ 41.050413] ? remove_element.isra.0+0x1b0/0x1b0 [ 41.055144] ? remove_element.isra.0+0x1b0/0x1b0 [ 41.059940] ? lock_downgrade+0x740/0x740 [ 41.064065] ? trace_hardirqs_on+0x10/0x10 [ 41.068280] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 41.073622] bvec_alloc+0xcc/0x2d0 [ 41.077140] bio_alloc_bioset+0x585/0x830 [ 41.081267] ? bvec_alloc+0x2d0/0x2d0 [ 41.085049] ? deref_stack_reg+0x124/0x1a0 [ 41.089265] mpage_alloc+0x56/0x2b0 [ 41.093017] __mpage_writepage+0xb33/0x11e0 [ 41.097315] ? lock_downgrade+0x740/0x740 [ 41.101438] ? clean_buffers.part.0+0x1b0/0x1b0 [ 41.106083] ? check_preemption_disabled+0x35/0x240 [ 41.111074] ? lock_downgrade+0x740/0x740 [ 41.115200] ? percpu_counter_add_batch+0xf8/0x160 [ 41.120117] ? clear_page_dirty_for_io+0x6e7/0xb80 [ 41.125031] write_cache_pages+0x505/0xd20 [ 41.129244] ? clean_buffers.part.0+0x1b0/0x1b0 [ 41.133910] ? kmem_cache_alloc+0x124/0x3c0 [ 41.138219] ? clear_page_dirty_for_io+0xb80/0xb80 [ 41.143132] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 41.148476] ? mem_cgroup_id_get_online+0xb0/0xb0 [ 41.153383] ? fat_add_cluster+0xc0/0xc0 [ 41.157421] ? fat_readpages+0x30/0x30 [ 41.161428] mpage_writepages+0xbe/0x1f0 [ 41.165466] ? __mpage_writepage+0x11e0/0x11e0 [ 41.170028] ? __mod_node_page_state+0x89/0xd0 [ 41.174640] ? fat_add_cluster+0xc0/0xc0 [ 41.178677] ? trace_hardirqs_on+0x10/0x10 [ 41.182902] ? trace_hardirqs_on+0x10/0x10 [ 41.187114] ? deref_stack_reg+0x124/0x1a0 [ 41.191324] ? trace_hardirqs_on+0x10/0x10 [ 41.195535] do_writepages+0xc3/0x240 [ 41.199311] ? page_writeback_cpu_online+0x10/0x10 [ 41.204303] ? lock_acquire+0x170/0x3f0 [ 41.208250] ? do_raw_spin_unlock+0x164/0x220 [ 41.212722] ? _raw_spin_unlock+0x29/0x40 [ 41.216848] ? wbc_attach_and_unlock_inode+0x5e8/0x8d0 [ 41.222160] __filemap_fdatawrite_range+0x236/0x310 [ 41.227161] ? replace_page_cache_page+0x700/0x700 [ 41.232074] filemap_write_and_wait_range+0x39/0xb0 [ 41.237068] generic_file_direct_write+0x31f/0x420 [ 41.242305] __generic_file_write_iter+0x2a2/0x590 [ 41.247265] generic_file_write_iter+0x36f/0x650 [ 41.252014] aio_write+0x2ed/0x560 [ 41.255535] ? trace_hardirqs_on+0x10/0x10 [ 41.259745] ? aio_read+0x390/0x390 [ 41.263355] ? lock_acquire+0x170/0x3f0 [ 41.267313] ? lock_acquire+0x170/0x3f0 [ 41.271263] ? lock_downgrade+0x740/0x740 [ 41.275391] do_io_submit+0x847/0x1570 [ 41.279258] ? __mutex_unlock_slowpath+0x75/0x770 [ 41.284077] ? aio_write+0x560/0x560 [ 41.287778] ? fput_many+0xe/0x140 [ 41.291300] ? do_sys_ftruncate.constprop.0+0x34b/0x480 [ 41.296639] ? SyS_io_destroy+0x340/0x340 [ 41.300764] do_syscall_64+0x1d5/0x640 [ 41.304638] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 41.309806] RIP: 0033:0x7f17a7145cf9 [ 41.313578] RSP: 002b:00007f17a70f22e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 41.321434] RAX: ffffffffffffffda RBX: 00007f17a71ca4c0 RCX: 00007f17a7145cf9 [ 41.328691] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f17a70c9000 [ 41.335941] RBP: 00007f17a71970d0 R08: 0000000000000001 R09: 0000000000000033 [ 41.343189] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f17a71ca4cc [ 41.350434] R13: 00007f17a70f22f0 R14: 00007f17a71ca4c8 R15: 0000000000000001 executing program [ 41.511432] FAULT_INJECTION: forcing a failure. [ 41.511432] name failslab, interval 1, probability 0, space 0, times 0 [ 41.523007] CPU: 0 PID: 8182 Comm: syz-executor768 Not tainted 4.14.260-syzkaller #0 [ 41.530886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.540245] Call Trace: [ 41.542811] dump_stack+0x1b2/0x281 [ 41.546413] should_fail.cold+0x10a/0x149 [ 41.550536] ? mempool_free+0x1d0/0x1d0 [ 41.554483] should_failslab+0xd6/0x130 [ 41.558434] kmem_cache_alloc+0x40/0x3c0 [ 41.562468] ? mempool_free+0x1d0/0x1d0 [ 41.566413] mempool_alloc+0x10e/0x2d0 [ 41.570277] ? mempool_free+0x1d0/0x1d0 [ 41.574225] ? remove_element.isra.0+0x1b0/0x1b0 [ 41.578953] ? remove_element.isra.0+0x1b0/0x1b0 [ 41.583685] ? lock_downgrade+0x740/0x740 [ 41.587816] ? trace_hardirqs_on+0x10/0x10 [ 41.592024] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 41.597365] bvec_alloc+0xcc/0x2d0 [ 41.600881] bio_alloc_bioset+0x585/0x830 [ 41.605002] ? bvec_alloc+0x2d0/0x2d0 [ 41.608777] ? deref_stack_reg+0x124/0x1a0 [ 41.612986] mpage_alloc+0x56/0x2b0 [ 41.616588] __mpage_writepage+0xb33/0x11e0 [ 41.620885] ? lock_downgrade+0x740/0x740 [ 41.625007] ? clean_buffers.part.0+0x1b0/0x1b0 [ 41.629653] ? check_preemption_disabled+0x35/0x240 [ 41.634642] ? lock_downgrade+0x740/0x740 [ 41.638772] ? percpu_counter_add_batch+0xf8/0x160 [ 41.643677] ? clear_page_dirty_for_io+0x6e7/0xb80 [ 41.648579] write_cache_pages+0x505/0xd20 [ 41.652791] ? clean_buffers.part.0+0x1b0/0x1b0 [ 41.657434] ? kmem_cache_alloc+0x124/0x3c0 [ 41.661730] ? clear_page_dirty_for_io+0xb80/0xb80 [ 41.666634] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 41.671973] ? mem_cgroup_id_get_online+0xb0/0xb0 [ 41.676793] ? fat_add_cluster+0xc0/0xc0 [ 41.680828] ? fat_readpages+0x30/0x30 [ 41.684738] mpage_writepages+0xbe/0x1f0 [ 41.688773] ? __mpage_writepage+0x11e0/0x11e0 [ 41.693331] ? __mod_node_page_state+0x89/0xd0 [ 41.698091] ? fat_add_cluster+0xc0/0xc0 [ 41.702131] ? trace_hardirqs_on+0x10/0x10 [ 41.706340] ? trace_hardirqs_on+0x10/0x10 [ 41.710550] ? deref_stack_reg+0x124/0x1a0 [ 41.714768] ? trace_hardirqs_on+0x10/0x10 [ 41.718982] do_writepages+0xc3/0x240 [ 41.722761] ? page_writeback_cpu_online+0x10/0x10 [ 41.727839] ? lock_acquire+0x170/0x3f0 [ 41.731783] ? do_raw_spin_unlock+0x164/0x220 [ 41.736250] ? _raw_spin_unlock+0x29/0x40 [ 41.740372] ? wbc_attach_and_unlock_inode+0x5e8/0x8d0 [ 41.745625] __filemap_fdatawrite_range+0x236/0x310 [ 41.750620] ? replace_page_cache_page+0x700/0x700 [ 41.755524] filemap_write_and_wait_range+0x39/0xb0 [ 41.760515] generic_file_direct_write+0x31f/0x420 [ 41.765428] __generic_file_write_iter+0x2a2/0x590 [ 41.770333] generic_file_write_iter+0x36f/0x650 [ 41.775063] aio_write+0x2ed/0x560 [ 41.778579] ? trace_hardirqs_on+0x10/0x10 [ 41.782789] ? aio_read+0x390/0x390 [ 41.786392] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 41.791123] ? lock_acquire+0x170/0x3f0 [ 41.795071] ? lock_acquire+0x170/0x3f0 [ 41.799021] ? lock_downgrade+0x740/0x740 [ 41.803149] do_io_submit+0x847/0x1570 [ 41.807013] ? __mutex_unlock_slowpath+0x75/0x770 [ 41.811959] ? aio_write+0x560/0x560 [ 41.815648] ? fput_many+0xe/0x140 [ 41.819165] ? do_sys_ftruncate.constprop.0+0x34b/0x480 [ 41.824503] ? SyS_io_destroy+0x340/0x340 [ 41.828624] do_syscall_64+0x1d5/0x640 [ 41.832486] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 41.837652] RIP: 0033:0x7f17a7145cf9 [ 41.841335] RSP: 002b:00007f17a70f22e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 41.849145] RAX: ffffffffffffffda RBX: 00007f17a71ca4c0 RCX: 00007f17a7145cf9 [ 41.856390] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f17a70c9000 [ 41.863636] RBP: 00007f17a71970d0 R08: 0000000000000001 R09: 0000000000000033 [ 41.870881] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f17a71ca4cc [ 41.878126] R13: 00007f17a70f22f0 R14: 00007f17a71ca4c8 R15: 0000000000000001 executing program [ 42.038639] FAULT_INJECTION: forcing a failure. [ 42.038639] name failslab, interval 1, probability 0, space 0, times 0 [ 42.050225] CPU: 1 PID: 8191 Comm: syz-executor768 Not tainted 4.14.260-syzkaller #0 [ 42.058107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.067455] Call Trace: [ 42.070028] dump_stack+0x1b2/0x281 [ 42.073632] should_fail.cold+0x10a/0x149 [ 42.077756] ? __read_once_size_nocheck.constprop.0+0x10/0x10 [ 42.083615] ? mempool_free+0x1d0/0x1d0 [ 42.087563] should_failslab+0xd6/0x130 [ 42.091514] kmem_cache_alloc+0x40/0x3c0 [ 42.095549] ? mempool_free+0x1d0/0x1d0 [ 42.099500] mempool_alloc+0x10e/0x2d0 [ 42.103365] ? remove_element.isra.0+0x1b0/0x1b0 [ 42.108094] ? lock_downgrade+0x740/0x740 [ 42.112214] ? trace_hardirqs_on+0x10/0x10 [ 42.116422] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 42.121759] ? trace_hardirqs_on+0x10/0x10 [ 42.125967] ? deref_stack_reg+0x124/0x1a0 [ 42.130176] bio_alloc_bioset+0x41b/0x830 [ 42.134298] ? bvec_alloc+0x2d0/0x2d0 [ 42.138072] ? __save_stack_trace+0x63/0x160 [ 42.142554] ? deref_stack_reg+0x124/0x1a0 [ 42.146764] mpage_alloc+0x56/0x2b0 [ 42.150369] __mpage_writepage+0xb33/0x11e0 [ 42.154667] ? lock_downgrade+0x740/0x740 [ 42.158898] ? clean_buffers.part.0+0x1b0/0x1b0 [ 42.163545] ? check_preemption_disabled+0x35/0x240 [ 42.168537] ? lock_downgrade+0x740/0x740 [ 42.172663] ? percpu_counter_add_batch+0xf8/0x160 [ 42.177565] ? clear_page_dirty_for_io+0x6e7/0xb80 [ 42.182466] write_cache_pages+0x505/0xd20 [ 42.186681] ? clean_buffers.part.0+0x1b0/0x1b0 [ 42.191325] ? kmem_cache_alloc+0x124/0x3c0 [ 42.195625] ? clear_page_dirty_for_io+0xb80/0xb80 [ 42.200530] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 42.205912] ? trace_hardirqs_on+0x10/0x10 [ 42.210123] ? fat_add_cluster+0xc0/0xc0 [ 42.214158] ? fat_readpages+0x30/0x30 [ 42.218022] mpage_writepages+0xbe/0x1f0 [ 42.222060] ? __mpage_writepage+0x11e0/0x11e0 [ 42.226616] ? __mod_node_page_state+0x89/0xd0 [ 42.231174] ? fat_add_cluster+0xc0/0xc0 [ 42.235211] ? trace_hardirqs_on+0x10/0x10 [ 42.239418] ? trace_hardirqs_on+0x10/0x10 [ 42.243627] ? deref_stack_reg+0x124/0x1a0 [ 42.247836] ? trace_hardirqs_on+0x10/0x10 [ 42.252094] do_writepages+0xc3/0x240 [ 42.255868] ? page_writeback_cpu_online+0x10/0x10 [ 42.260771] ? lock_acquire+0x170/0x3f0 [ 42.264727] ? do_raw_spin_unlock+0x164/0x220 [ 42.269283] ? _raw_spin_unlock+0x29/0x40 [ 42.273405] ? wbc_attach_and_unlock_inode+0x5e8/0x8d0 [ 42.278655] __filemap_fdatawrite_range+0x236/0x310 [ 42.283644] ? replace_page_cache_page+0x700/0x700 [ 42.288547] filemap_write_and_wait_range+0x39/0xb0 [ 42.293555] generic_file_direct_write+0x31f/0x420 [ 42.298465] __generic_file_write_iter+0x2a2/0x590 [ 42.303376] generic_file_write_iter+0x36f/0x650 [ 42.308112] aio_write+0x2ed/0x560 [ 42.311631] ? trace_hardirqs_on+0x10/0x10 [ 42.315845] ? aio_read+0x390/0x390 [ 42.319443] ? lock_acquire+0x170/0x3f0 [ 42.323407] ? lock_acquire+0x170/0x3f0 [ 42.327359] ? lock_acquire+0x170/0x3f0 [ 42.331314] ? lock_downgrade+0x740/0x740 [ 42.335525] do_io_submit+0x847/0x1570 [ 42.339619] ? __mutex_unlock_slowpath+0x75/0x770 [ 42.344445] ? aio_write+0x560/0x560 [ 42.348138] ? fput_many+0xe/0x140 [ 42.351653] ? do_sys_ftruncate.constprop.0+0x34b/0x480 [ 42.357075] ? SyS_io_destroy+0x340/0x340 [ 42.361196] do_syscall_64+0x1d5/0x640 [ 42.365197] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 42.370362] RIP: 0033:0x7f17a7145cf9 [ 42.374062] RSP: 002b:00007f17a70f22e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 42.381839] RAX: ffffffffffffffda RBX: 00007f17a71ca4c0 RCX: 00007f17a7145cf9 [ 42.389138] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f17a70c9000 [ 42.396387] RBP: 00007f17a71970d0 R08: 0000000000000001 R09: 0000000000000033 [ 42.403635] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f17a71ca4cc [ 42.410919] R13: 00007f17a70f22f0 R14: 00007f17a71ca4c8 R15: 0000000000000001 executing program [ 42.567261] FAULT_INJECTION: forcing a failure. [ 42.567261] name failslab, interval 1, probability 0, space 0, times 0 [ 42.578594] CPU: 0 PID: 8200 Comm: syz-executor768 Not tainted 4.14.260-syzkaller #0 [ 42.586469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.595894] Call Trace: [ 42.598459] dump_stack+0x1b2/0x281 [ 42.602070] should_fail.cold+0x10a/0x149 [ 42.606298] ? mempool_free+0x1d0/0x1d0 [ 42.610248] should_failslab+0xd6/0x130 [ 42.614262] kmem_cache_alloc+0x40/0x3c0 [ 42.618310] ? mempool_free+0x1d0/0x1d0 [ 42.622259] mempool_alloc+0x10e/0x2d0 [ 42.626119] ? mempool_free+0x1d0/0x1d0 [ 42.630064] ? remove_element.isra.0+0x1b0/0x1b0 [ 42.634887] ? remove_element.isra.0+0x1b0/0x1b0 [ 42.639616] ? lock_downgrade+0x740/0x740 [ 42.643736] ? trace_hardirqs_on+0x10/0x10 [ 42.647942] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 42.653279] bvec_alloc+0xcc/0x2d0 [ 42.656795] bio_alloc_bioset+0x585/0x830 [ 42.660915] ? bvec_alloc+0x2d0/0x2d0 [ 42.664690] ? deref_stack_reg+0x124/0x1a0 [ 42.668901] mpage_alloc+0x56/0x2b0 [ 42.672502] __mpage_writepage+0xb33/0x11e0 [ 42.676800] ? lock_downgrade+0x740/0x740 [ 42.680923] ? clean_buffers.part.0+0x1b0/0x1b0 [ 42.685653] ? check_preemption_disabled+0x35/0x240 [ 42.690643] ? lock_downgrade+0x740/0x740 [ 42.694765] ? percpu_counter_add_batch+0xf8/0x160 [ 42.699670] ? clear_page_dirty_for_io+0x6e7/0xb80 [ 42.704575] write_cache_pages+0x505/0xd20 [ 42.708785] ? clean_buffers.part.0+0x1b0/0x1b0 [ 42.713428] ? kmem_cache_alloc+0x124/0x3c0 [ 42.717722] ? clear_page_dirty_for_io+0xb80/0xb80 [ 42.722624] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 42.727960] ? mem_cgroup_id_get_online+0xb0/0xb0 [ 42.732776] ? fat_add_cluster+0xc0/0xc0 [ 42.736808] ? fat_readpages+0x30/0x30 [ 42.740666] mpage_writepages+0xbe/0x1f0 [ 42.744707] ? __mpage_writepage+0x11e0/0x11e0 [ 42.749262] ? __mod_node_page_state+0x89/0xd0 [ 42.753818] ? fat_add_cluster+0xc0/0xc0 [ 42.757860] ? trace_hardirqs_on+0x10/0x10 [ 42.762064] ? trace_hardirqs_on+0x10/0x10 [ 42.766280] ? deref_stack_reg+0x124/0x1a0 [ 42.770486] ? trace_hardirqs_on+0x10/0x10 [ 42.774780] do_writepages+0xc3/0x240 [ 42.778553] ? page_writeback_cpu_online+0x10/0x10 [ 42.783546] ? lock_acquire+0x170/0x3f0 [ 42.787495] ? do_raw_spin_unlock+0x164/0x220 [ 42.791962] ? _raw_spin_unlock+0x29/0x40 [ 42.796083] ? wbc_attach_and_unlock_inode+0x5e8/0x8d0 [ 42.801334] __filemap_fdatawrite_range+0x236/0x310 [ 42.806325] ? replace_page_cache_page+0x700/0x700 [ 42.811247] filemap_write_and_wait_range+0x39/0xb0 [ 42.816246] generic_file_direct_write+0x31f/0x420 [ 42.821186] __generic_file_write_iter+0x2a2/0x590 [ 42.826093] generic_file_write_iter+0x36f/0x650 [ 42.830826] aio_write+0x2ed/0x560 [ 42.834359] ? trace_hardirqs_on+0x10/0x10 [ 42.838578] ? aio_read+0x390/0x390 [ 42.842188] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 42.846924] ? lock_acquire+0x170/0x3f0 [ 42.850873] ? lock_acquire+0x170/0x3f0 [ 42.854821] ? lock_downgrade+0x740/0x740 [ 42.858960] do_io_submit+0x847/0x1570 [ 42.862839] ? __mutex_unlock_slowpath+0x75/0x770 [ 42.867658] ? aio_write+0x560/0x560 [ 42.871352] ? fput_many+0xe/0x140 [ 42.874871] ? do_sys_ftruncate.constprop.0+0x34b/0x480 [ 42.880218] ? SyS_io_destroy+0x340/0x340 [ 42.884361] do_syscall_64+0x1d5/0x640 [ 42.888254] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 42.893419] RIP: 0033:0x7f17a7145cf9 [ 42.897103] RSP: 002b:00007f17a70f22e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 42.904826] RAX: ffffffffffffffda RBX: 00007f17a71ca4c0 RCX: 00007f17a7145cf9 [ 42.912075] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f17a70c9000 [ 42.919404] RBP: 00007f17a71970d0 R08: 0000000000000001 R09: 0000000000000033 [ 42.926647] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f17a71ca4cc [ 42.933889] R13: 00007f17a70f22f0 R14: 00007f17a71ca4c8 R15: 0000000000000001 executing program [ 43.071076] FAULT_INJECTION: forcing a failure. [ 43.071076] name failslab, interval 1, probability 0, space 0, times 0 [ 43.083044] CPU: 0 PID: 8207 Comm: syz-executor768 Not tainted 4.14.260-syzkaller #0 [ 43.090922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.100352] Call Trace: [ 43.102935] dump_stack+0x1b2/0x281 [ 43.106561] should_fail.cold+0x10a/0x149 [ 43.110704] ? mempool_free+0x1d0/0x1d0 [ 43.114670] should_failslab+0xd6/0x130 [ 43.118628] kmem_cache_alloc+0x40/0x3c0 [ 43.122681] ? mempool_free+0x1d0/0x1d0 [ 43.126633] mempool_alloc+0x10e/0x2d0 [ 43.130497] ? mempool_free+0x1d0/0x1d0 [ 43.134533] ? remove_element.isra.0+0x1b0/0x1b0 [ 43.139269] ? remove_element.isra.0+0x1b0/0x1b0 [ 43.144007] ? lock_downgrade+0x740/0x740 [ 43.148175] ? trace_hardirqs_on+0x10/0x10 [ 43.152383] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 43.157721] bvec_alloc+0xcc/0x2d0 [ 43.161238] bio_alloc_bioset+0x585/0x830 [ 43.165358] ? bvec_alloc+0x2d0/0x2d0 [ 43.169136] ? deref_stack_reg+0x124/0x1a0 [ 43.173375] mpage_alloc+0x56/0x2b0 [ 43.176978] __mpage_writepage+0xb33/0x11e0 [ 43.181280] ? lock_downgrade+0x740/0x740 [ 43.185401] ? clean_buffers.part.0+0x1b0/0x1b0 [ 43.190047] ? check_preemption_disabled+0x35/0x240 [ 43.195033] ? lock_downgrade+0x740/0x740 [ 43.199156] ? percpu_counter_add_batch+0xf8/0x160 [ 43.204059] ? clear_page_dirty_for_io+0x6e7/0xb80 [ 43.208960] write_cache_pages+0x505/0xd20 [ 43.213169] ? clean_buffers.part.0+0x1b0/0x1b0 [ 43.217813] ? kmem_cache_alloc+0x124/0x3c0 [ 43.222109] ? clear_page_dirty_for_io+0xb80/0xb80 [ 43.227009] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 43.232345] ? mem_cgroup_id_get_online+0xb0/0xb0 [ 43.237162] ? fat_add_cluster+0xc0/0xc0 [ 43.241201] ? fat_readpages+0x30/0x30 [ 43.245061] mpage_writepages+0xbe/0x1f0 [ 43.249094] ? __mpage_writepage+0x11e0/0x11e0 [ 43.253651] ? __mod_node_page_state+0x89/0xd0 [ 43.258210] ? fat_add_cluster+0xc0/0xc0 [ 43.262245] ? trace_hardirqs_on+0x10/0x10 [ 43.266452] ? trace_hardirqs_on+0x10/0x10 [ 43.270674] ? deref_stack_reg+0x124/0x1a0 [ 43.274883] ? trace_hardirqs_on+0x10/0x10 [ 43.279092] do_writepages+0xc3/0x240 [ 43.282882] ? page_writeback_cpu_online+0x10/0x10 [ 43.287787] ? lock_acquire+0x170/0x3f0 [ 43.291735] ? do_raw_spin_unlock+0x164/0x220 [ 43.296204] ? _raw_spin_unlock+0x29/0x40 [ 43.300326] ? wbc_attach_and_unlock_inode+0x5e8/0x8d0 [ 43.305577] __filemap_fdatawrite_range+0x236/0x310 [ 43.310573] ? replace_page_cache_page+0x700/0x700 [ 43.315477] filemap_write_and_wait_range+0x39/0xb0 [ 43.320465] generic_file_direct_write+0x31f/0x420 [ 43.325370] __generic_file_write_iter+0x2a2/0x590 [ 43.330275] generic_file_write_iter+0x36f/0x650 [ 43.335012] aio_write+0x2ed/0x560 [ 43.338530] ? trace_hardirqs_on+0x10/0x10 [ 43.342737] ? aio_read+0x390/0x390 [ 43.346339] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.351069] ? lock_acquire+0x170/0x3f0 [ 43.355029] ? lock_acquire+0x170/0x3f0 [ 43.358977] ? lock_downgrade+0x740/0x740 [ 43.363102] do_io_submit+0x847/0x1570 [ 43.366981] ? __mutex_unlock_slowpath+0x75/0x770 [ 43.371808] ? aio_write+0x560/0x560 [ 43.375501] ? fput_many+0xe/0x140 [ 43.379024] ? do_sys_ftruncate.constprop.0+0x34b/0x480 [ 43.384384] ? SyS_io_destroy+0x340/0x340 [ 43.388509] do_syscall_64+0x1d5/0x640 [ 43.392370] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 43.397534] RIP: 0033:0x7f17a7145cf9 [ 43.401220] RSP: 002b:00007f17a70f22e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 43.408897] RAX: ffffffffffffffda RBX: 00007f17a71ca4c0 RCX: 00007f17a7145cf9 [ 43.416137] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f17a70c9000 [ 43.423378] RBP: 00007f17a71970d0 R08: 0000000000000001 R09: 0000000000000033 [ 43.430723] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f17a71ca4cc [ 43.438053] R13: 00007f17a70f22f0 R14: 00007f17a71ca4c8 R15: 0000000000000001 executing program [ 43.591948] FAULT_INJECTION: forcing a failure. [ 43.591948] name failslab, interval 1, probability 0, space 0, times 0 [ 43.603532] CPU: 0 PID: 8217 Comm: syz-executor768 Not tainted 4.14.260-syzkaller #0 [ 43.611412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.620755] Call Trace: [ 43.623341] dump_stack+0x1b2/0x281 [ 43.626965] should_fail.cold+0x10a/0x149 [ 43.631117] ? mempool_free+0x1d0/0x1d0 [ 43.635086] should_failslab+0xd6/0x130 [ 43.639056] kmem_cache_alloc+0x40/0x3c0 [ 43.643110] ? mempool_free+0x1d0/0x1d0 [ 43.647057] mempool_alloc+0x10e/0x2d0 [ 43.650921] ? mempool_free+0x1d0/0x1d0 [ 43.654874] ? remove_element.isra.0+0x1b0/0x1b0 [ 43.659692] ? remove_element.isra.0+0x1b0/0x1b0 [ 43.664556] ? lock_downgrade+0x740/0x740 [ 43.668860] ? trace_hardirqs_on+0x10/0x10 [ 43.673075] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 43.678456] bvec_alloc+0xcc/0x2d0 [ 43.681973] bio_alloc_bioset+0x585/0x830 [ 43.686118] ? bvec_alloc+0x2d0/0x2d0 [ 43.689896] ? deref_stack_reg+0x124/0x1a0 [ 43.694115] mpage_alloc+0x56/0x2b0 [ 43.697722] __mpage_writepage+0xb33/0x11e0 [ 43.702019] ? lock_downgrade+0x740/0x740 [ 43.706143] ? clean_buffers.part.0+0x1b0/0x1b0 [ 43.710785] ? check_preemption_disabled+0x35/0x240 [ 43.715775] ? lock_downgrade+0x740/0x740 [ 43.719896] ? percpu_counter_add_batch+0xf8/0x160 [ 43.724798] ? clear_page_dirty_for_io+0x6e7/0xb80 [ 43.729701] write_cache_pages+0x505/0xd20 [ 43.733910] ? clean_buffers.part.0+0x1b0/0x1b0 [ 43.738553] ? kmem_cache_alloc+0x124/0x3c0 [ 43.742844] ? clear_page_dirty_for_io+0xb80/0xb80 [ 43.747766] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 43.753106] ? mem_cgroup_id_get_online+0xb0/0xb0 [ 43.757924] ? fat_add_cluster+0xc0/0xc0 [ 43.761986] ? fat_readpages+0x30/0x30 [ 43.765849] mpage_writepages+0xbe/0x1f0 [ 43.769884] ? __mpage_writepage+0x11e0/0x11e0 [ 43.774438] ? __mod_node_page_state+0x89/0xd0 [ 43.778998] ? fat_add_cluster+0xc0/0xc0 [ 43.783039] ? trace_hardirqs_on+0x10/0x10 [ 43.787247] ? trace_hardirqs_on+0x10/0x10 [ 43.791452] ? deref_stack_reg+0x124/0x1a0 [ 43.795656] ? trace_hardirqs_on+0x10/0x10 [ 43.799864] do_writepages+0xc3/0x240 [ 43.803651] ? page_writeback_cpu_online+0x10/0x10 [ 43.808552] ? lock_acquire+0x170/0x3f0 [ 43.812496] ? do_raw_spin_unlock+0x164/0x220 [ 43.816962] ? _raw_spin_unlock+0x29/0x40 [ 43.821104] ? wbc_attach_and_unlock_inode+0x5e8/0x8d0 [ 43.826357] __filemap_fdatawrite_range+0x236/0x310 [ 43.831353] ? replace_page_cache_page+0x700/0x700 [ 43.836345] filemap_write_and_wait_range+0x39/0xb0 [ 43.841338] generic_file_direct_write+0x31f/0x420 [ 43.846242] __generic_file_write_iter+0x2a2/0x590 [ 43.851146] generic_file_write_iter+0x36f/0x650 [ 43.855875] aio_write+0x2ed/0x560 [ 43.859389] ? trace_hardirqs_on+0x10/0x10 [ 43.863598] ? aio_read+0x390/0x390 [ 43.867199] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.871933] ? lock_acquire+0x170/0x3f0 [ 43.875882] ? lock_acquire+0x170/0x3f0 [ 43.879839] ? lock_downgrade+0x740/0x740 [ 43.883971] do_io_submit+0x847/0x1570 [ 43.887838] ? __mutex_unlock_slowpath+0x75/0x770 [ 43.892669] ? aio_write+0x560/0x560 [ 43.896367] ? fput_many+0xe/0x140 [ 43.899892] ? do_sys_ftruncate.constprop.0+0x34b/0x480 [ 43.905237] ? SyS_io_destroy+0x340/0x340 [ 43.909366] do_syscall_64+0x1d5/0x640 [ 43.913236] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 43.918409] RIP: 0033:0x7f17a7145cf9 [ 43.922202] RSP: 002b:00007f17a70f22e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 43.929900] RAX: ffffffffffffffda RBX: 00007f17a71ca4c0 RCX: 00007f17a7145cf9 [ 43.937317] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f17a70c9000 [ 43.944567] RBP: 00007f17a71970d0 R08: 0000000000000001 R09: 0000000000000033 [ 43.951809] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f17a71ca4cc [ 43.959052] R13: 00007f17a70f22f0 R14: 00007f17a71ca4c8 R15: 0000000000000001 executing program [ 44.126214] FAULT_INJECTION: forcing a failure. [ 44.126214] name failslab, interval 1, probability 0, space 0, times 0 [ 44.137659] CPU: 0 PID: 8226 Comm: syz-executor768 Not tainted 4.14.260-syzkaller #0 [ 44.145519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.154909] Call Trace: [ 44.157473] dump_stack+0x1b2/0x281 [ 44.161079] should_fail.cold+0x10a/0x149 [ 44.165203] ? mempool_free+0x1d0/0x1d0 [ 44.169150] should_failslab+0xd6/0x130 [ 44.173098] kmem_cache_alloc+0x40/0x3c0 [ 44.177137] ? mempool_free+0x1d0/0x1d0 [ 44.181083] mempool_alloc+0x10e/0x2d0 [ 44.184950] ? mempool_free+0x1d0/0x1d0 [ 44.188898] ? remove_element.isra.0+0x1b0/0x1b0 [ 44.193727] ? remove_element.isra.0+0x1b0/0x1b0 [ 44.198474] ? lock_downgrade+0x740/0x740 [ 44.202599] ? trace_hardirqs_on+0x10/0x10 [ 44.206811] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 44.212156] bvec_alloc+0xcc/0x2d0 [ 44.215679] bio_alloc_bioset+0x585/0x830 [ 44.219816] ? bvec_alloc+0x2d0/0x2d0 [ 44.223593] ? deref_stack_reg+0x124/0x1a0 [ 44.227804] mpage_alloc+0x56/0x2b0 [ 44.231413] __mpage_writepage+0xb33/0x11e0 [ 44.235711] ? lock_downgrade+0x740/0x740 [ 44.239837] ? clean_buffers.part.0+0x1b0/0x1b0 [ 44.244480] ? check_preemption_disabled+0x35/0x240 [ 44.249467] ? lock_downgrade+0x740/0x740 [ 44.253588] ? percpu_counter_add_batch+0xf8/0x160 [ 44.258492] ? clear_page_dirty_for_io+0x6e7/0xb80 [ 44.263410] write_cache_pages+0x505/0xd20 [ 44.267637] ? clean_buffers.part.0+0x1b0/0x1b0 [ 44.272282] ? kmem_cache_alloc+0x124/0x3c0 [ 44.276693] ? clear_page_dirty_for_io+0xb80/0xb80 [ 44.281595] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 44.286936] ? mem_cgroup_id_get_online+0xb0/0xb0 [ 44.291753] ? fat_add_cluster+0xc0/0xc0 [ 44.295785] ? fat_readpages+0x30/0x30 [ 44.299646] mpage_writepages+0xbe/0x1f0 [ 44.303682] ? __mpage_writepage+0x11e0/0x11e0 [ 44.308239] ? __mod_node_page_state+0x89/0xd0 [ 44.312809] ? fat_add_cluster+0xc0/0xc0 [ 44.316936] ? trace_hardirqs_on+0x10/0x10 [ 44.321143] ? trace_hardirqs_on+0x10/0x10 [ 44.325356] ? deref_stack_reg+0x124/0x1a0 [ 44.329564] ? trace_hardirqs_on+0x10/0x10 [ 44.333773] do_writepages+0xc3/0x240 [ 44.337549] ? page_writeback_cpu_online+0x10/0x10 [ 44.342473] ? lock_acquire+0x170/0x3f0 [ 44.346421] ? do_raw_spin_unlock+0x164/0x220 [ 44.350890] ? _raw_spin_unlock+0x29/0x40 [ 44.355014] ? wbc_attach_and_unlock_inode+0x5e8/0x8d0 [ 44.360269] __filemap_fdatawrite_range+0x236/0x310 [ 44.365260] ? replace_page_cache_page+0x700/0x700 [ 44.370234] filemap_write_and_wait_range+0x39/0xb0 [ 44.375225] generic_file_direct_write+0x31f/0x420 [ 44.380129] __generic_file_write_iter+0x2a2/0x590 [ 44.385035] generic_file_write_iter+0x36f/0x650 [ 44.390111] aio_write+0x2ed/0x560 [ 44.393627] ? trace_hardirqs_on+0x10/0x10 [ 44.397836] ? aio_read+0x390/0x390 [ 44.401436] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 44.406294] ? lock_acquire+0x170/0x3f0 [ 44.410246] ? lock_acquire+0x170/0x3f0 [ 44.414196] ? lock_downgrade+0x740/0x740 [ 44.418322] do_io_submit+0x847/0x1570 [ 44.422194] ? __mutex_unlock_slowpath+0x75/0x770 [ 44.427057] ? aio_write+0x560/0x560 [ 44.430758] ? fput_many+0xe/0x140 [ 44.434277] ? do_sys_ftruncate.constprop.0+0x34b/0x480 [ 44.439619] ? SyS_io_destroy+0x340/0x340 [ 44.443895] do_syscall_64+0x1d5/0x640 [ 44.447757] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 44.452950] RIP: 0033:0x7f17a7145cf9 [ 44.456727] RSP: 002b:00007f17a70f22e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 44.464409] RAX: ffffffffffffffda RBX: 00007f17a71ca4c0 RCX: 00007f17a7145cf9 [ 44.471654] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f17a70c9000 [ 44.478898] RBP: 00007f17a71970d0 R08: 0000000000000001 R09: 0000000000000033 [ 44.486142] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f17a71ca4cc [ 44.493387] R13: 00007f17a70f22f0 R14: 00007f17a71ca4c8 R15: 0000000000000001 executing program [ 44.652058] FAULT_INJECTION: forcing a failure. [ 44.652058] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 44.663868] CPU: 0 PID: 8234 Comm: syz-executor768 Not tainted 4.14.260-syzkaller #0 [ 44.671740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.681084] Call Trace: [ 44.683670] dump_stack+0x1b2/0x281 [ 44.687303] should_fail.cold+0x10a/0x149 [ 44.691446] __alloc_pages_nodemask+0x22c/0x2720 [ 44.696187] ? trace_hardirqs_on+0x10/0x10 [ 44.700430] ? deref_stack_reg+0x124/0x1a0 [ 44.704654] ? __read_once_size_nocheck.constprop.0+0x10/0x10 [ 44.710620] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 44.715443] ? unwind_next_frame+0xe54/0x17d0 [ 44.719926] ? __save_stack_trace+0x63/0x160 [ 44.724316] ? deref_stack_reg+0x124/0x1a0 [ 44.728528] ? lock_acquire+0x170/0x3f0 [ 44.732637] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 44.737980] cache_grow_begin+0x91/0x700 [ 44.742025] ? __kernel_text_address+0x9/0x30 [ 44.746497] ? check_preemption_disabled+0x35/0x240 [ 44.751488] cache_alloc_refill+0x273/0x350 [ 44.755790] kmem_cache_alloc+0x333/0x3c0 [ 44.759916] ? mempool_free+0x1d0/0x1d0 [ 44.763867] mempool_alloc+0x10e/0x2d0 [ 44.767729] ? remove_element.isra.0+0x1b0/0x1b0 [ 44.772458] ? lock_downgrade+0x740/0x740 [ 44.776577] ? trace_hardirqs_on+0x10/0x10 [ 44.780783] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 44.786119] ? trace_hardirqs_on+0x10/0x10 [ 44.790327] ? deref_stack_reg+0x124/0x1a0 [ 44.794547] bio_alloc_bioset+0x41b/0x830 [ 44.798675] ? bvec_alloc+0x2d0/0x2d0 [ 44.802453] ? __save_stack_trace+0x63/0x160 [ 44.806830] ? deref_stack_reg+0x124/0x1a0 [ 44.811039] mpage_alloc+0x56/0x2b0 [ 44.814640] __mpage_writepage+0xb33/0x11e0 [ 44.818935] ? lock_downgrade+0x740/0x740 [ 44.823144] ? clean_buffers.part.0+0x1b0/0x1b0 [ 44.827785] ? check_preemption_disabled+0x35/0x240 [ 44.832777] ? lock_downgrade+0x740/0x740 [ 44.836908] ? percpu_counter_add_batch+0xf8/0x160 [ 44.841812] ? clear_page_dirty_for_io+0x6e7/0xb80 [ 44.846715] write_cache_pages+0x505/0xd20 [ 44.850935] ? clean_buffers.part.0+0x1b0/0x1b0 [ 44.855576] ? kmem_cache_alloc+0x124/0x3c0 [ 44.859874] ? clear_page_dirty_for_io+0xb80/0xb80 [ 44.864777] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 44.870202] ? mem_cgroup_id_get_online+0xb0/0xb0 [ 44.875016] ? fat_add_cluster+0xc0/0xc0 [ 44.879052] ? fat_readpages+0x30/0x30 [ 44.882912] mpage_writepages+0xbe/0x1f0 [ 44.886943] ? __mpage_writepage+0x11e0/0x11e0 [ 44.891507] ? __mod_node_page_state+0x89/0xd0 [ 44.896058] ? fat_add_cluster+0xc0/0xc0 [ 44.900092] ? trace_hardirqs_on+0x10/0x10 [ 44.904299] ? trace_hardirqs_on+0x10/0x10 [ 44.908506] ? deref_stack_reg+0x124/0x1a0 [ 44.912731] ? trace_hardirqs_on+0x10/0x10 [ 44.916941] do_writepages+0xc3/0x240 [ 44.920714] ? page_writeback_cpu_online+0x10/0x10 [ 44.925616] ? lock_acquire+0x170/0x3f0 [ 44.929562] ? do_raw_spin_unlock+0x164/0x220 [ 44.934050] ? _raw_spin_unlock+0x29/0x40 [ 44.938173] ? wbc_attach_and_unlock_inode+0x5e8/0x8d0 [ 44.943432] __filemap_fdatawrite_range+0x236/0x310 [ 44.948419] ? replace_page_cache_page+0x700/0x700 [ 44.953326] filemap_write_and_wait_range+0x39/0xb0 [ 44.958315] generic_file_direct_write+0x31f/0x420 [ 44.963220] __generic_file_write_iter+0x2a2/0x590 [ 44.968124] generic_file_write_iter+0x36f/0x650 [ 44.972865] aio_write+0x2ed/0x560 [ 44.976388] ? trace_hardirqs_on+0x10/0x10 [ 44.980600] ? aio_read+0x390/0x390 [ 44.984205] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 44.988939] ? lock_acquire+0x170/0x3f0 [ 44.992890] ? lock_acquire+0x170/0x3f0 [ 44.996837] ? lock_downgrade+0x740/0x740 [ 45.000960] do_io_submit+0x847/0x1570 [ 45.004825] ? __mutex_unlock_slowpath+0x75/0x770 [ 45.009640] ? aio_write+0x560/0x560 [ 45.013325] ? fput_many+0xe/0x140 [ 45.016860] ? do_sys_ftruncate.constprop.0+0x34b/0x480 [ 45.022196] ? SyS_io_destroy+0x340/0x340 [ 45.026343] do_syscall_64+0x1d5/0x640 [ 45.030207] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 45.035466] RIP: 0033:0x7f17a7145cf9 [ 45.039150] RSP: 002b:00007f17a70f22e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 45.046832] RAX: ffffffffffffffda RBX: 00007f17a71ca4c0 RCX: 00007f17a7145cf9 [ 45.054079] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f17a70c9000 [ 45.061326] RBP: 00007f17a71970d0 R08: 0000000000000001 R09: 0000000000000033 [ 45.068570] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f17a71ca4cc [ 45.075816] R13: 00007f17a70f22f0 R14: 00007f17a71ca4c8 R15: 0000000000000001 executing program [ 45.232367] FAULT_INJECTION: forcing a failure. [ 45.232367] name failslab, interval 1, probability 0, space 0, times 0 [ 45.243863] CPU: 0 PID: 8243 Comm: syz-executor768 Not tainted 4.14.260-syzkaller #0 [ 45.251738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.261081] Call Trace: [ 45.263651] dump_stack+0x1b2/0x281 [ 45.267253] should_fail.cold+0x10a/0x149 [ 45.271377] ? mempool_free+0x1d0/0x1d0 [ 45.275322] should_failslab+0xd6/0x130 [ 45.279270] kmem_cache_alloc+0x40/0x3c0 [ 45.283306] ? mempool_free+0x1d0/0x1d0 [ 45.287253] mempool_alloc+0x10e/0x2d0 [ 45.291118] ? mempool_free+0x1d0/0x1d0 [ 45.295067] ? remove_element.isra.0+0x1b0/0x1b0 [ 45.299995] ? remove_element.isra.0+0x1b0/0x1b0 [ 45.304741] ? lock_downgrade+0x740/0x740 [ 45.308883] ? trace_hardirqs_on+0x10/0x10 [ 45.314315] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 45.319659] bvec_alloc+0xcc/0x2d0 [ 45.323182] bio_alloc_bioset+0x585/0x830 [ 45.327308] ? bvec_alloc+0x2d0/0x2d0 [ 45.331096] ? deref_stack_reg+0x124/0x1a0 [ 45.335312] mpage_alloc+0x56/0x2b0 [ 45.338924] __mpage_writepage+0xb33/0x11e0 [ 45.343361] ? lock_downgrade+0x740/0x740 [ 45.347500] ? clean_buffers.part.0+0x1b0/0x1b0 [ 45.352163] ? check_preemption_disabled+0x35/0x240 [ 45.357160] ? lock_downgrade+0x740/0x740 [ 45.361285] ? percpu_counter_add_batch+0xf8/0x160 [ 45.366192] ? clear_page_dirty_for_io+0x6e7/0xb80 [ 45.371099] write_cache_pages+0x505/0xd20 [ 45.375311] ? clean_buffers.part.0+0x1b0/0x1b0 [ 45.380010] ? kmem_cache_alloc+0x124/0x3c0 [ 45.384306] ? clear_page_dirty_for_io+0xb80/0xb80 [ 45.389211] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 45.394553] ? mem_cgroup_id_get_online+0xb0/0xb0 [ 45.399372] ? fat_add_cluster+0xc0/0xc0 [ 45.403408] ? fat_readpages+0x30/0x30 [ 45.407272] mpage_writepages+0xbe/0x1f0 [ 45.411309] ? __mpage_writepage+0x11e0/0x11e0 [ 45.415887] ? __mod_node_page_state+0x89/0xd0 [ 45.420445] ? fat_add_cluster+0xc0/0xc0 [ 45.424484] ? trace_hardirqs_on+0x10/0x10 [ 45.428694] ? trace_hardirqs_on+0x10/0x10 [ 45.432984] ? deref_stack_reg+0x124/0x1a0 [ 45.437194] ? trace_hardirqs_on+0x10/0x10 [ 45.441405] do_writepages+0xc3/0x240 [ 45.445199] ? page_writeback_cpu_online+0x10/0x10 [ 45.450102] ? lock_acquire+0x170/0x3f0 [ 45.454048] ? do_raw_spin_unlock+0x164/0x220 [ 45.458515] ? _raw_spin_unlock+0x29/0x40 [ 45.462656] ? wbc_attach_and_unlock_inode+0x5e8/0x8d0 [ 45.467915] __filemap_fdatawrite_range+0x236/0x310 [ 45.472906] ? replace_page_cache_page+0x700/0x700 [ 45.477808] filemap_write_and_wait_range+0x39/0xb0 [ 45.482797] generic_file_direct_write+0x31f/0x420 [ 45.487719] __generic_file_write_iter+0x2a2/0x590 [ 45.492720] generic_file_write_iter+0x36f/0x650 [ 45.497459] aio_write+0x2ed/0x560 [ 45.500988] ? trace_hardirqs_on+0x10/0x10 [ 45.505205] ? aio_read+0x390/0x390 [ 45.508817] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 45.513550] ? lock_acquire+0x170/0x3f0 [ 45.517498] ? lock_acquire+0x170/0x3f0 [ 45.521445] ? lock_downgrade+0x740/0x740 [ 45.525580] do_io_submit+0x847/0x1570 [ 45.529478] ? __mutex_unlock_slowpath+0x75/0x770 [ 45.534299] ? aio_write+0x560/0x560 [ 45.537999] ? fput_many+0xe/0x140 [ 45.541527] ? do_sys_ftruncate.constprop.0+0x34b/0x480 [ 45.546877] ? SyS_io_destroy+0x340/0x340 [ 45.551007] do_syscall_64+0x1d5/0x640 [ 45.554876] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 45.560043] RIP: 0033:0x7f17a7145cf9 [ 45.563729] RSP: 002b:00007f17a70f22e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 45.571411] RAX: ffffffffffffffda RBX: 00007f17a71ca4c0 RCX: 00007f17a7145cf9