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: [<ffffffff8135b5bb>] flush_workqueue+0xcb/0x1310
[ 35.574900]
[ 35.574900] but task is already holding lock:
[ 35.580853] (&sb->s_type->i_mutex_key#17){+.+.}, at: [<ffffffff81691649>] 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: [<ffffffff81982518>] aio_write+0x408/0x560
[ 35.832994] #1: (&sb->s_type->i_mutex_key#17){+.+.}, at: [<ffffffff81691649>] 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