[ OK ] Started Getty on tty1. [ OK ] Found device /dev/ttyS0. [ OK ] Started OpenBSD Secure Shell server. [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.131' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 33.745219] FAULT_INJECTION: forcing a failure. [ 33.745219] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 33.757056] CPU: 1 PID: 8125 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0 [ 33.764941] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.774483] Call Trace: [ 33.777088] dump_stack+0x1fc/0x2ef [ 33.780833] should_fail.cold+0xa/0xf [ 33.784633] ? setup_fault_attr+0x200/0x200 [ 33.788947] ? filemap_map_pages+0x6d6/0x11c0 [ 33.793449] __alloc_pages_nodemask+0x239/0x2890 [ 33.798285] ? __handle_mm_fault+0x2bb6/0x41c0 [ 33.802875] ? __lock_acquire+0x6de/0x3ff0 [ 33.807096] ? _raw_spin_unlock+0x29/0x40 [ 33.811229] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 33.816080] ? __lock_acquire+0x6de/0x3ff0 [ 33.820303] cache_grow_begin+0xa4/0x8a0 [ 33.824348] ? setup_fault_attr+0x200/0x200 [ 33.828843] ? lock_acquire+0x170/0x3c0 [ 33.832892] cache_alloc_refill+0x273/0x340 [ 33.837208] kmem_cache_alloc+0x346/0x370 [ 33.841359] io_submit_one+0x11e/0x20c0 [ 33.845317] ? lookup_ioctx+0x1c0/0x780 [ 33.849288] ? lock_downgrade+0x720/0x720 [ 33.853506] ? aio_read+0x420/0x420 [ 33.857144] ? __might_fault+0x11f/0x1d0 [ 33.861290] __se_sys_io_submit+0x11b/0x4a0 [ 33.865607] ? io_submit_one+0x20c0/0x20c0 [ 33.869849] ? ksys_write+0x1c8/0x2a0 [ 33.873738] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 33.879101] ? trace_hardirqs_off_caller+0x6e/0x210 [ 33.884103] ? do_syscall_64+0x21/0x620 [ 33.888061] do_syscall_64+0xf9/0x620 [ 33.891934] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 33.897135] RIP: 0033:0x44ab79 [ 33.900319] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 33.919315] RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 33.927007] RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79 [ 33.934280] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000 [ 33.941534] RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032 [ 33.948787] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec [ 33.956234] R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001 executing program [ 34.134152] FAULT_INJECTION: forcing a failure. [ 34.134152] name failslab, interval 1, probability 0, space 0, times 1 [ 34.146544] CPU: 1 PID: 8136 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0 [ 34.154533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.164845] Call Trace: [ 34.167446] dump_stack+0x1fc/0x2ef [ 34.171092] should_fail.cold+0xa/0xf [ 34.175063] ? setup_fault_attr+0x200/0x200 [ 34.179553] ? pick_next_entity+0x27e/0x580 [ 34.183949] ? set_next_entity+0xb52/0x1dc0 [ 34.188386] __should_failslab+0x115/0x180 [ 34.192810] should_failslab+0x5/0x10 [ 34.196593] kmem_cache_alloc+0x3f/0x370 [ 34.200637] ? mempool_alloc+0x350/0x350 [ 34.204693] mempool_alloc+0x146/0x350 [ 34.208748] ? mempool_resize+0x790/0x790 [ 34.213071] ? __lock_acquire+0x6de/0x3ff0 [ 34.217383] ? __lock_acquire+0x6de/0x3ff0 [ 34.221641] bio_alloc_bioset+0x389/0x5e0 [ 34.225786] ? mark_held_locks+0xf0/0xf0 [ 34.229857] ? bvec_alloc+0x2f0/0x2f0 [ 34.233662] ? __lock_acquire+0x6de/0x3ff0 [ 34.237883] mpage_alloc+0x2f/0x260 [ 34.241596] __mpage_writepage+0x102a/0x1570 [ 34.246083] ? page_mapped+0x17e/0x3c0 [ 34.250137] ? clean_buffers+0x290/0x290 [ 34.254270] ? clear_page_dirty_for_io+0xa1b/0xee0 [ 34.259329] ? lock_downgrade+0x720/0x720 [ 34.263564] ? check_preemption_disabled+0x41/0x280 [ 34.268656] write_cache_pages+0x802/0x12d0 [ 34.273577] ? clean_buffers+0x290/0x290 [ 34.277635] ? clear_page_dirty_for_io+0xee0/0xee0 [ 34.282787] ? mark_held_locks+0xf0/0xf0 [ 34.286863] ? __lock_acquire+0x6de/0x3ff0 [ 34.291088] ? fat_add_cluster+0xf0/0xf0 [ 34.295149] ? fat_readpages+0x30/0x30 [ 34.299018] mpage_writepages+0xd1/0x230 [ 34.303078] ? __mpage_writepage+0x1570/0x1570 [ 34.307643] ? __lock_acquire+0x6de/0x3ff0 [ 34.312037] ? fat_add_cluster+0xf0/0xf0 [ 34.316183] ? mark_held_locks+0xf0/0xf0 [ 34.320413] ? mark_held_locks+0xf0/0xf0 [ 34.324544] ? switch_mm_irqs_off+0x764/0x1340 [ 34.329151] do_writepages+0xe5/0x290 [ 34.333290] ? page_writeback_cpu_online+0x10/0x10 [ 34.338212] ? do_raw_spin_unlock+0x171/0x230 [ 34.342699] ? _raw_spin_unlock+0x29/0x40 [ 34.346943] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 34.352652] __filemap_fdatawrite_range+0x27d/0x350 [ 34.357649] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 34.363131] ? file_remove_privs+0x183/0x530 [ 34.367521] filemap_write_and_wait_range+0x46/0xd0 [ 34.372527] generic_file_direct_write+0x389/0x4a0 [ 34.377451] __generic_file_write_iter+0x2d0/0x610 [ 34.382546] generic_file_write_iter+0x3f8/0x730 [ 34.387293] aio_write+0x37f/0x5c0 [ 34.390827] ? aio_setup_rw.isra.0+0x110/0x110 [ 34.395425] ? lock_downgrade+0x720/0x720 [ 34.399575] ? lock_downgrade+0x720/0x720 [ 34.403715] ? lock_acquire+0x170/0x3c0 [ 34.407678] ? __might_fault+0xef/0x1d0 [ 34.411727] io_submit_one+0xecd/0x20c0 [ 34.415696] ? lock_downgrade+0x720/0x720 [ 34.419931] ? aio_read+0x420/0x420 [ 34.423546] ? __might_fault+0x11f/0x1d0 [ 34.427606] __se_sys_io_submit+0x11b/0x4a0 [ 34.431917] ? io_submit_one+0x20c0/0x20c0 [ 34.436138] ? ksys_write+0x1c8/0x2a0 [ 34.439931] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 34.445279] ? trace_hardirqs_off_caller+0x6e/0x210 [ 34.450369] ? do_syscall_64+0x21/0x620 [ 34.454332] do_syscall_64+0xf9/0x620 [ 34.458136] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 34.463307] RIP: 0033:0x44ab79 [ 34.466681] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 34.485567] RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 34.493273] RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79 [ 34.500525] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000 [ 34.507796] RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032 [ 34.515047] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec [ 34.522300] R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001 executing program [ 34.710545] FAULT_INJECTION: forcing a failure. [ 34.710545] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 34.722384] CPU: 0 PID: 8143 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0 [ 34.730266] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.739658] Call Trace: [ 34.742240] dump_stack+0x1fc/0x2ef [ 34.746063] should_fail.cold+0xa/0xf [ 34.749848] ? setup_fault_attr+0x200/0x200 [ 34.754165] ? filemap_map_pages+0x6d6/0x11c0 [ 34.758741] __alloc_pages_nodemask+0x239/0x2890 [ 34.763621] ? __handle_mm_fault+0x2bb6/0x41c0 [ 34.768285] ? __lock_acquire+0x6de/0x3ff0 [ 34.772545] ? _raw_spin_unlock+0x29/0x40 [ 34.776685] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 34.781655] ? __lock_acquire+0x6de/0x3ff0 [ 34.786071] cache_grow_begin+0xa4/0x8a0 [ 34.790129] ? setup_fault_attr+0x200/0x200 [ 34.794477] ? lock_acquire+0x170/0x3c0 [ 34.798448] cache_alloc_refill+0x273/0x340 [ 34.802759] kmem_cache_alloc+0x346/0x370 [ 34.806890] io_submit_one+0x11e/0x20c0 [ 34.810844] ? lookup_ioctx+0x1c0/0x780 [ 34.814806] ? lock_downgrade+0x720/0x720 [ 34.818984] ? aio_read+0x420/0x420 [ 34.822634] ? __might_fault+0x11f/0x1d0 [ 34.826690] __se_sys_io_submit+0x11b/0x4a0 [ 34.830999] ? io_submit_one+0x20c0/0x20c0 [ 34.835218] ? ksys_write+0x1c8/0x2a0 [ 34.839113] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 34.844503] ? trace_hardirqs_off_caller+0x6e/0x210 [ 34.849510] ? do_syscall_64+0x21/0x620 [ 34.853467] do_syscall_64+0xf9/0x620 [ 34.857272] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 34.862445] RIP: 0033:0x44ab79 [ 34.865639] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 34.884538] RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 34.892240] RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79 [ 34.899500] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000 [ 34.906753] RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032 [ 34.914105] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec [ 34.921373] R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001 executing program [ 35.073028] FAULT_INJECTION: forcing a failure. [ 35.073028] name failslab, interval 1, probability 0, space 0, times 0 [ 35.084502] CPU: 1 PID: 8152 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0 [ 35.092367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.101873] Call Trace: [ 35.104445] dump_stack+0x1fc/0x2ef [ 35.108096] should_fail.cold+0xa/0xf [ 35.111896] ? setup_fault_attr+0x200/0x200 [ 35.116210] ? __lock_acquire+0x6de/0x3ff0 [ 35.120432] __should_failslab+0x115/0x180 [ 35.124649] should_failslab+0x5/0x10 [ 35.128447] kmem_cache_alloc+0x3f/0x370 [ 35.132491] ? mempool_alloc+0x350/0x350 [ 35.136529] mempool_alloc+0x146/0x350 [ 35.140418] ? mempool_resize+0x790/0x790 [ 35.144563] ? __lock_acquire+0x6de/0x3ff0 [ 35.148780] ? __lock_acquire+0x6de/0x3ff0 [ 35.153009] bio_alloc_bioset+0x389/0x5e0 [ 35.157426] ? mark_held_locks+0xf0/0xf0 [ 35.161482] ? mark_held_locks+0xf0/0xf0 [ 35.165552] ? bvec_alloc+0x2f0/0x2f0 [ 35.169350] ? __lock_acquire+0x6de/0x3ff0 [ 35.173578] mpage_alloc+0x2f/0x260 [ 35.177194] __mpage_writepage+0x102a/0x1570 [ 35.181592] ? page_mapped+0x17e/0x3c0 [ 35.185561] ? clean_buffers+0x290/0x290 [ 35.189604] ? clear_page_dirty_for_io+0xa1b/0xee0 [ 35.194616] ? lock_downgrade+0x720/0x720 [ 35.198746] ? check_preemption_disabled+0x41/0x280 [ 35.203749] write_cache_pages+0x802/0x12d0 [ 35.208054] ? clean_buffers+0x290/0x290 [ 35.212106] ? clear_page_dirty_for_io+0xee0/0xee0 [ 35.217015] ? __lock_acquire+0x6de/0x3ff0 [ 35.221237] ? __lock_acquire+0x6de/0x3ff0 [ 35.225498] ? fat_add_cluster+0xf0/0xf0 [ 35.229550] ? fat_readpages+0x30/0x30 [ 35.233431] mpage_writepages+0xd1/0x230 [ 35.237492] ? __mpage_writepage+0x1570/0x1570 [ 35.242141] ? __lock_acquire+0x6de/0x3ff0 [ 35.246353] ? fat_add_cluster+0xf0/0xf0 [ 35.250409] ? mark_held_locks+0xf0/0xf0 [ 35.254452] ? mark_held_locks+0xf0/0xf0 [ 35.258499] do_writepages+0xe5/0x290 [ 35.262281] ? page_writeback_cpu_online+0x10/0x10 [ 35.267193] ? do_raw_spin_unlock+0x171/0x230 [ 35.271677] ? _raw_spin_unlock+0x29/0x40 [ 35.275805] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 35.281070] __filemap_fdatawrite_range+0x27d/0x350 [ 35.286069] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 35.291415] ? file_remove_privs+0x183/0x530 [ 35.295816] filemap_write_and_wait_range+0x46/0xd0 [ 35.300822] generic_file_direct_write+0x389/0x4a0 [ 35.305820] __generic_file_write_iter+0x2d0/0x610 [ 35.310739] generic_file_write_iter+0x3f8/0x730 [ 35.315484] aio_write+0x37f/0x5c0 [ 35.319007] ? aio_setup_rw.isra.0+0x110/0x110 [ 35.323584] ? lock_downgrade+0x720/0x720 [ 35.327729] ? lock_downgrade+0x720/0x720 [ 35.331853] ? lock_acquire+0x170/0x3c0 [ 35.335815] ? __might_fault+0xef/0x1d0 [ 35.339770] io_submit_one+0xecd/0x20c0 [ 35.343726] ? lock_downgrade+0x720/0x720 [ 35.347853] ? aio_read+0x420/0x420 [ 35.351572] ? __might_fault+0x11f/0x1d0 [ 35.355619] __se_sys_io_submit+0x11b/0x4a0 [ 35.359921] ? io_submit_one+0x20c0/0x20c0 [ 35.364138] ? ksys_write+0x1c8/0x2a0 [ 35.367921] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 35.373264] ? trace_hardirqs_off_caller+0x6e/0x210 [ 35.378265] ? do_syscall_64+0x21/0x620 [ 35.382304] do_syscall_64+0xf9/0x620 [ 35.386087] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.391268] RIP: 0033:0x44ab79 [ 35.394453] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 35.413334] RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 35.421025] RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79 [ 35.428272] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000 [ 35.435522] RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032 [ 35.442792] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec [ 35.450054] R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001 executing program [ 35.613280] FAULT_INJECTION: forcing a failure. [ 35.613280] name failslab, interval 1, probability 0, space 0, times 0 [ 35.624957] CPU: 1 PID: 8160 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0 [ 35.632937] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.642298] Call Trace: [ 35.644956] dump_stack+0x1fc/0x2ef [ 35.648569] should_fail.cold+0xa/0xf [ 35.652463] ? setup_fault_attr+0x200/0x200 [ 35.656793] ? __lock_acquire+0x6de/0x3ff0 [ 35.661069] __should_failslab+0x115/0x180 [ 35.665311] should_failslab+0x5/0x10 [ 35.669097] kmem_cache_alloc+0x3f/0x370 [ 35.673140] ? mempool_alloc+0x350/0x350 [ 35.677204] mempool_alloc+0x146/0x350 [ 35.681074] ? mempool_resize+0x790/0x790 [ 35.685205] ? __lock_acquire+0x6de/0x3ff0 [ 35.689496] ? __lock_acquire+0x6de/0x3ff0 [ 35.693736] bio_alloc_bioset+0x389/0x5e0 [ 35.697884] ? mark_held_locks+0xf0/0xf0 [ 35.701944] ? mark_held_locks+0xf0/0xf0 [ 35.705987] ? bvec_alloc+0x2f0/0x2f0 [ 35.709785] ? __lock_acquire+0x6de/0x3ff0 [ 35.714002] mpage_alloc+0x2f/0x260 [ 35.717614] __mpage_writepage+0x102a/0x1570 [ 35.722008] ? page_mapped+0x17e/0x3c0 [ 35.725882] ? clean_buffers+0x290/0x290 [ 35.729927] ? clear_page_dirty_for_io+0xa1b/0xee0 [ 35.734841] ? lock_downgrade+0x720/0x720 [ 35.738983] ? check_preemption_disabled+0x41/0x280 [ 35.744014] write_cache_pages+0x802/0x12d0 [ 35.748333] ? clean_buffers+0x290/0x290 [ 35.752393] ? clear_page_dirty_for_io+0xee0/0xee0 [ 35.757308] ? __lock_acquire+0x6de/0x3ff0 [ 35.761533] ? __lock_acquire+0x6de/0x3ff0 [ 35.765753] ? fat_add_cluster+0xf0/0xf0 [ 35.769811] ? fat_readpages+0x30/0x30 [ 35.773681] mpage_writepages+0xd1/0x230 [ 35.777814] ? __mpage_writepage+0x1570/0x1570 [ 35.782391] ? __lock_acquire+0x6de/0x3ff0 [ 35.786697] ? fat_add_cluster+0xf0/0xf0 [ 35.790742] ? mark_held_locks+0xf0/0xf0 [ 35.794789] ? mark_held_locks+0xf0/0xf0 [ 35.798925] do_writepages+0xe5/0x290 [ 35.802713] ? page_writeback_cpu_online+0x10/0x10 [ 35.807627] ? do_raw_spin_unlock+0x171/0x230 [ 35.812108] ? _raw_spin_unlock+0x29/0x40 [ 35.816249] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 35.821508] __filemap_fdatawrite_range+0x27d/0x350 [ 35.826509] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 35.831858] ? file_remove_privs+0x183/0x530 [ 35.836252] filemap_write_and_wait_range+0x46/0xd0 [ 35.841338] generic_file_direct_write+0x389/0x4a0 [ 35.846275] __generic_file_write_iter+0x2d0/0x610 [ 35.851190] generic_file_write_iter+0x3f8/0x730 [ 35.855938] aio_write+0x37f/0x5c0 [ 35.859463] ? aio_setup_rw.isra.0+0x110/0x110 [ 35.864132] ? lock_downgrade+0x720/0x720 [ 35.868282] ? lock_downgrade+0x720/0x720 [ 35.872413] ? lock_acquire+0x170/0x3c0 [ 35.876369] ? __might_fault+0xef/0x1d0 [ 35.880388] io_submit_one+0xecd/0x20c0 [ 35.884357] ? lock_downgrade+0x720/0x720 [ 35.888494] ? aio_read+0x420/0x420 [ 35.892105] ? __might_fault+0x11f/0x1d0 [ 35.896164] __se_sys_io_submit+0x11b/0x4a0 [ 35.900479] ? io_submit_one+0x20c0/0x20c0 [ 35.904708] ? ksys_write+0x1c8/0x2a0 [ 35.908507] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 35.913875] ? trace_hardirqs_off_caller+0x6e/0x210 [ 35.918886] ? do_syscall_64+0x21/0x620 [ 35.922849] do_syscall_64+0xf9/0x620 [ 35.926641] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.931814] RIP: 0033:0x44ab79 [ 35.934993] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 35.953877] RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 35.961569] RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79 [ 35.968945] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000 [ 35.976204] RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032 [ 35.983459] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec [ 35.990737] R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001 [ 36.003277] [ 36.004917] ====================================================== [ 36.011226] WARNING: possible circular locking dependency detected [ 36.017542] 4.19.198-syzkaller #0 Not tainted [ 36.022024] ------------------------------------------------------ [ 36.028384] syz-executor094/8160 is trying to acquire lock: [ 36.034127] 0000000002495b4e ((wq_completion)"dio/%s"sb->s_id){+.+.}, at: flush_workqueue+0xe8/0x13e0 [ 36.043472] [ 36.043472] but task is already holding lock: [ 36.049435] 000000000884639b (&sb->s_type->i_mutex_key#17){+.+.}, at: generic_file_write_iter+0x99/0x730 [ 36.059056] [ 36.059056] which lock already depends on the new lock. [ 36.059056] [ 36.067391] [ 36.067391] the existing dependency chain (in reverse order) is: [ 36.075047] [ 36.075047] -> #2 (&sb->s_type->i_mutex_key#17){+.+.}: [ 36.081799] __generic_file_fsync+0xb0/0x1f0 [ 36.086706] fat_file_fsync+0x73/0x200 [ 36.091200] vfs_fsync_range+0x13a/0x220 [ 36.095760] dio_complete+0x763/0xac0 [ 36.100072] process_one_work+0x864/0x1570 [ 36.104980] worker_thread+0x64c/0x1130 [ 36.109453] kthread+0x33f/0x460 [ 36.113364] ret_from_fork+0x24/0x30 [ 36.117592] [ 36.117592] -> #1 ((work_completion)(&dio->complete_work)){+.+.}: [ 36.125291] worker_thread+0x64c/0x1130 [ 36.129851] kthread+0x33f/0x460 [ 36.133734] ret_from_fork+0x24/0x30 [ 36.137953] [ 36.137953] -> #0 ((wq_completion)"dio/%s"sb->s_id){+.+.}: [ 36.145048] flush_workqueue+0x117/0x13e0 [ 36.149705] drain_workqueue+0x1a5/0x460 [ 36.154443] destroy_workqueue+0x75/0x790 [ 36.159214] __alloc_workqueue_key+0xb76/0xed0 [ 36.164383] sb_init_dio_done_wq+0x34/0x90 [ 36.169118] __blockdev_direct_IO+0x5f55/0xef40 [ 36.174390] fat_direct_IO+0x1d1/0x370 [ 36.178872] generic_file_direct_write+0x208/0x4a0 [ 36.184304] __generic_file_write_iter+0x2d0/0x610 [ 36.189734] generic_file_write_iter+0x3f8/0x730 [ 36.195057] aio_write+0x37f/0x5c0 [ 36.199189] io_submit_one+0xecd/0x20c0 [ 36.203749] __se_sys_io_submit+0x11b/0x4a0 [ 36.208581] do_syscall_64+0xf9/0x620 [ 36.212881] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.218571] [ 36.218571] other info that might help us debug this: [ 36.218571] [ 36.226779] Chain exists of: [ 36.226779] (wq_completion)"dio/%s"sb->s_id --> (work_completion)(&dio->complete_work) --> &sb->s_type->i_mutex_key#17 [ 36.226779] [ 36.242113] Possible unsafe locking scenario: [ 36.242113] [ 36.248150] CPU0 CPU1 [ 36.252892] ---- ---- [ 36.257532] lock(&sb->s_type->i_mutex_key#17); [ 36.262263] lock((work_completion)(&dio->complete_work)); [ 36.270479] lock(&sb->s_type->i_mutex_key#17); [ 36.277727] lock((wq_completion)"dio/%s"sb->s_id); [ 36.282811] [ 36.282811] *** DEADLOCK *** [ 36.282811] [ 36.288868] 1 lock held by syz-executor094/8160: [ 36.293595] #0: 000000000884639b (&sb->s_type->i_mutex_key#17){+.+.}, at: generic_file_write_iter+0x99/0x730 [ 36.303815] [ 36.303815] stack backtrace: [ 36.308296] CPU: 1 PID: 8160 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0 [ 36.316170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.325605] Call Trace: [ 36.328238] dump_stack+0x1fc/0x2ef [ 36.331852] print_circular_bug.constprop.0.cold+0x2d7/0x41e [ 36.337736] __lock_acquire+0x30c9/0x3ff0 [ 36.341872] ? check_preemption_disabled+0x41/0x280 [ 36.346870] ? mark_held_locks+0xf0/0xf0 [ 36.350923] ? lock_downgrade+0x720/0x720 [ 36.355049] ? lock_acquire+0x170/0x3c0 [ 36.358999] ? depot_save_stack+0x1e0/0x410 [ 36.363301] ? check_preemption_disabled+0x41/0x280 [ 36.368299] lock_acquire+0x170/0x3c0 [ 36.372088] ? flush_workqueue+0xe8/0x13e0 [ 36.376399] flush_workqueue+0x117/0x13e0 [ 36.380611] ? flush_workqueue+0xe8/0x13e0 [ 36.384829] ? lock_downgrade+0x720/0x720 [ 36.389132] ? drain_workqueue+0x24/0x460 [ 36.393272] ? check_flush_dependency+0x400/0x400 [ 36.398198] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 36.403284] drain_workqueue+0x1a5/0x460 [ 36.407341] ? init_rescuer+0x2d0/0x370 [ 36.411310] destroy_workqueue+0x75/0x790 [ 36.415537] __alloc_workqueue_key+0xb76/0xed0 [ 36.420101] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 36.425101] ? check_preemption_disabled+0x41/0x280 [ 36.430097] ? __blockdev_direct_IO+0x36a/0xef40 [ 36.434852] sb_init_dio_done_wq+0x34/0x90 [ 36.439080] __blockdev_direct_IO+0x5f55/0xef40 [ 36.443738] ? fat_add_cluster+0xf0/0xf0 [ 36.447785] ? release_pages+0xb0d/0x15a0 [ 36.451912] ? __put_compound_page+0xc0/0xc0 [ 36.456402] ? sb_init_dio_done_wq+0x90/0x90 [ 36.460805] ? clear_shadow_entry+0x170/0x170 [ 36.465323] fat_direct_IO+0x1d1/0x370 [ 36.469193] generic_file_direct_write+0x208/0x4a0 [ 36.474106] __generic_file_write_iter+0x2d0/0x610 [ 36.479036] generic_file_write_iter+0x3f8/0x730 [ 36.483773] aio_write+0x37f/0x5c0 [ 36.487310] ? aio_setup_rw.isra.0+0x110/0x110 [ 36.491883] ? lock_downgrade+0x720/0x720 [ 36.496010] ? lock_downgrade+0x720/0x720 [ 36.500143] ? lock_acquire+0x170/0x3c0 [ 36.504115] ? __might_fault+0xef/0x1d0 [ 36.508069] io_submit_one+0xecd/0x20c0 [ 36.512024] ? lock_downgrade+0x720/0x720 [ 36.516166] ? aio_read+0x420/0x420 [ 36.519770] ? __might_fault+0x11f/0x1d0 [ 36.523910] __se_sys_io_submit+0x11b/0x4a0 [ 36.528217] ? io_submit_one+0x20c0/0x20c0 [ 36.532433] ? ksys_write+0x1c8/0x2a0 [ 36.536316] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 36.541747] ? trace_hardirqs_off_caller+0x6e/0x210 [ 36.546843] ? do_syscall_64+0x21/0x620 [ 36.550890] do_syscall_64+0xf9/0x620 [ 36.554671] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.559840] RIP: 0033:0x44ab79 [ 36.563048] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 36.581942] RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 36.589639] RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79 [ 36.596980] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000 [ 36.604249] RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032 [ 36.611528] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec [ 36.618779] R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001 executing program [ 36.751948] FAULT_INJECTION: forcing a failure. [ 36.751948] name failslab, interval 1, probability 0, space 0, times 0 [ 36.763555] CPU: 0 PID: 8167 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0 [ 36.771668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.781007] Call Trace: [ 36.783653] dump_stack+0x1fc/0x2ef [ 36.787285] should_fail.cold+0xa/0xf [ 36.791116] ? setup_fault_attr+0x200/0x200 [ 36.795419] ? mark_held_locks+0xf0/0xf0 [ 36.799498] __should_failslab+0x115/0x180 [ 36.803718] should_failslab+0x5/0x10 [ 36.807494] kmem_cache_alloc+0x3f/0x370 [ 36.811531] ? mempool_alloc+0x350/0x350 [ 36.815575] mempool_alloc+0x146/0x350 [ 36.819443] ? mempool_resize+0x790/0x790 [ 36.823590] ? deref_stack_reg+0x1d0/0x1d0 [ 36.827820] ? unwind_next_frame+0xeee/0x1400 [ 36.832292] ? deref_stack_reg+0x134/0x1d0 [ 36.836511] bio_alloc_bioset+0x389/0x5e0 [ 36.840667] ? mark_held_locks+0xf0/0xf0 [ 36.844793] ? mark_held_locks+0xf0/0xf0 [ 36.848832] ? bvec_alloc+0x2f0/0x2f0 [ 36.852698] ? unwind_next_frame+0xeee/0x1400 [ 36.857187] mpage_alloc+0x2f/0x260 [ 36.860805] __mpage_writepage+0x102a/0x1570 [ 36.865205] ? page_mapped+0x17e/0x3c0 [ 36.869069] ? clean_buffers+0x290/0x290 [ 36.873122] ? page_mkclean+0x1a5/0x2b0 [ 36.877074] ? lock_downgrade+0x720/0x720 [ 36.881279] ? clear_page_dirty_for_io+0x2c8/0xee0 [ 36.886200] write_cache_pages+0x802/0x12d0 [ 36.890500] ? clean_buffers+0x290/0x290 [ 36.894552] ? clear_page_dirty_for_io+0xee0/0xee0 [ 36.899464] ? fat_add_cluster+0xf0/0xf0 [ 36.903503] ? fat_readpages+0x30/0x30 [ 36.907365] mpage_writepages+0xd1/0x230 [ 36.911403] ? __mpage_writepage+0x1570/0x1570 [ 36.915961] ? fat_add_cluster+0xf0/0xf0 [ 36.919999] ? mark_held_locks+0xf0/0xf0 [ 36.924045] ? mark_held_locks+0xf0/0xf0 [ 36.928093] ? mark_held_locks+0xf0/0xf0 [ 36.932142] do_writepages+0xe5/0x290 [ 36.935923] ? page_writeback_cpu_online+0x10/0x10 [ 36.940860] ? do_raw_spin_unlock+0x171/0x230 [ 36.945342] ? _raw_spin_unlock+0x29/0x40 [ 36.949468] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 36.954993] __filemap_fdatawrite_range+0x27d/0x350 [ 36.960003] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 36.965349] ? file_remove_privs+0x183/0x530 [ 36.969746] filemap_write_and_wait_range+0x46/0xd0 [ 36.974749] generic_file_direct_write+0x389/0x4a0 [ 36.979655] __generic_file_write_iter+0x2d0/0x610 [ 36.984564] generic_file_write_iter+0x3f8/0x730 [ 36.989297] aio_write+0x37f/0x5c0 [ 36.992824] ? mark_held_locks+0xf0/0xf0 [ 36.997318] ? aio_setup_rw.isra.0+0x110/0x110 [ 37.002005] ? lock_downgrade+0x720/0x720 [ 37.006131] ? cache_alloc_refill+0x95/0x340 [ 37.010526] ? lock_downgrade+0x720/0x720 [ 37.014652] ? lock_acquire+0x170/0x3c0 [ 37.018602] ? __might_fault+0xef/0x1d0 [ 37.022556] io_submit_one+0xecd/0x20c0 [ 37.026519] ? lock_downgrade+0x720/0x720 [ 37.030640] ? aio_read+0x420/0x420 [ 37.034250] ? check_preemption_disabled+0x41/0x280 [ 37.039331] __se_sys_io_submit+0x11b/0x4a0 [ 37.043641] ? io_submit_one+0x20c0/0x20c0 [ 37.048287] ? ksys_write+0x1c8/0x2a0 [ 37.052078] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 37.057508] ? trace_hardirqs_off_caller+0x6e/0x210 [ 37.062519] do_syscall_64+0xf9/0x620 [ 37.066304] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.071470] RIP: 0033:0x44ab79 [ 37.074658] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 37.093536] RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 37.101219] RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79 [ 37.108478] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000 [ 37.115737] RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032 [ 37.122991] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec [ 37.130238] R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001 executing program [ 37.290584] FAULT_INJECTION: forcing a failure. [ 37.290584] name failslab, interval 1, probability 0, space 0, times 0 [ 37.302362] CPU: 0 PID: 8174 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0 [ 37.310247] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.319738] Call Trace: [ 37.322317] dump_stack+0x1fc/0x2ef [ 37.326009] should_fail.cold+0xa/0xf [ 37.329792] ? setup_fault_attr+0x200/0x200 [ 37.334210] __should_failslab+0x115/0x180 [ 37.338676] should_failslab+0x5/0x10 [ 37.342459] kmem_cache_alloc+0x3f/0x370 [ 37.346666] ? mempool_alloc+0x350/0x350 [ 37.350713] mempool_alloc+0x146/0x350 [ 37.354809] ? mempool_resize+0x790/0x790 [ 37.358945] ? deref_stack_reg+0x1d0/0x1d0 [ 37.363163] ? unwind_next_frame+0xeee/0x1400 [ 37.367753] ? deref_stack_reg+0x134/0x1d0 [ 37.372055] bio_alloc_bioset+0x389/0x5e0 [ 37.377052] ? mark_held_locks+0xf0/0xf0 [ 37.381109] ? mark_held_locks+0xf0/0xf0 [ 37.385153] ? bvec_alloc+0x2f0/0x2f0 [ 37.388956] ? unwind_next_frame+0xeee/0x1400 [ 37.393433] mpage_alloc+0x2f/0x260 [ 37.397042] __mpage_writepage+0x102a/0x1570 [ 37.401558] ? page_mapped+0x17e/0x3c0 [ 37.405439] ? clean_buffers+0x290/0x290 [ 37.409486] ? page_mkclean+0x1a5/0x2b0 [ 37.413537] ? lock_downgrade+0x720/0x720 [ 37.417677] ? clear_page_dirty_for_io+0x2c8/0xee0 [ 37.422604] write_cache_pages+0x802/0x12d0 [ 37.427608] ? clean_buffers+0x290/0x290 [ 37.431747] ? clear_page_dirty_for_io+0xee0/0xee0 [ 37.436675] ? fat_add_cluster+0xf0/0xf0 [ 37.440742] ? fat_readpages+0x30/0x30 [ 37.444622] mpage_writepages+0xd1/0x230 [ 37.448665] ? __mpage_writepage+0x1570/0x1570 [ 37.453400] ? fat_add_cluster+0xf0/0xf0 [ 37.457456] ? mark_held_locks+0xf0/0xf0 [ 37.461583] ? mark_held_locks+0xf0/0xf0 [ 37.465901] ? mark_held_locks+0xf0/0xf0 [ 37.469942] do_writepages+0xe5/0x290 [ 37.473729] ? page_writeback_cpu_online+0x10/0x10 [ 37.478639] ? do_raw_spin_unlock+0x171/0x230 [ 37.483116] ? _raw_spin_unlock+0x29/0x40 [ 37.487249] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 37.492506] __filemap_fdatawrite_range+0x27d/0x350 [ 37.497518] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 37.502966] ? file_remove_privs+0x183/0x530 [ 37.507455] filemap_write_and_wait_range+0x46/0xd0 [ 37.512451] generic_file_direct_write+0x389/0x4a0 [ 37.517448] __generic_file_write_iter+0x2d0/0x610 [ 37.522541] generic_file_write_iter+0x3f8/0x730 [ 37.527400] aio_write+0x37f/0x5c0 [ 37.530923] ? mark_held_locks+0xf0/0xf0 [ 37.534962] ? aio_setup_rw.isra.0+0x110/0x110 [ 37.539525] ? lock_downgrade+0x720/0x720 [ 37.543654] ? should_fail+0x142/0x7b0 [ 37.547543] ? lock_downgrade+0x720/0x720 [ 37.551684] ? lock_acquire+0x170/0x3c0 [ 37.555653] ? __might_fault+0xef/0x1d0 [ 37.559622] io_submit_one+0xecd/0x20c0 [ 37.563580] ? lock_downgrade+0x720/0x720 [ 37.567780] ? aio_read+0x420/0x420 [ 37.571399] ? check_preemption_disabled+0x41/0x280 [ 37.576843] __se_sys_io_submit+0x11b/0x4a0 [ 37.581266] ? io_submit_one+0x20c0/0x20c0 [ 37.585741] ? ksys_write+0x1c8/0x2a0 [ 37.589543] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 37.595146] ? trace_hardirqs_off_caller+0x6e/0x210 [ 37.600241] do_syscall_64+0xf9/0x620 [ 37.604035] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.609219] RIP: 0033:0x44ab79 [ 37.612400] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 37.631433] RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 37.639208] RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79 [ 37.646634] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000 [ 37.653986] RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032 [ 37.661325] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec [ 37.668711] R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001 executing program [ 37.821445] FAULT_INJECTION: forcing a failure. [ 37.821445] name failslab, interval 1, probability 0, space 0, times 0 [ 37.833618] CPU: 0 PID: 8183 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0 [ 37.841500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.851338] Call Trace: [ 37.853926] dump_stack+0x1fc/0x2ef [ 37.857699] should_fail.cold+0xa/0xf [ 37.861490] ? setup_fault_attr+0x200/0x200 [ 37.866066] ? mark_held_locks+0xf0/0xf0 [ 37.870221] __should_failslab+0x115/0x180 [ 37.874469] should_failslab+0x5/0x10 [ 37.878266] kmem_cache_alloc+0x3f/0x370 [ 37.882311] ? mempool_alloc+0x350/0x350 [ 37.886656] mempool_alloc+0x146/0x350 [ 37.890621] ? mempool_resize+0x790/0x790 [ 37.894753] ? deref_stack_reg+0x1d0/0x1d0 [ 37.899084] ? unwind_next_frame+0xeee/0x1400 [ 37.903879] ? deref_stack_reg+0x134/0x1d0 [ 37.908197] bio_alloc_bioset+0x389/0x5e0 [ 37.912355] ? mark_held_locks+0xf0/0xf0 [ 37.916407] ? mark_held_locks+0xf0/0xf0 [ 37.920886] ? bvec_alloc+0x2f0/0x2f0 [ 37.924671] ? unwind_next_frame+0xeee/0x1400 [ 37.929159] mpage_alloc+0x2f/0x260 [ 37.932775] __mpage_writepage+0x102a/0x1570 [ 37.937174] ? page_mapped+0x17e/0x3c0 [ 37.941133] ? clean_buffers+0x290/0x290 [ 37.945175] ? page_mkclean+0x1a5/0x2b0 [ 37.949398] ? lock_downgrade+0x720/0x720 [ 37.953713] ? clear_page_dirty_for_io+0x2c8/0xee0 [ 37.958630] write_cache_pages+0x802/0x12d0 [ 37.962961] ? clean_buffers+0x290/0x290 [ 37.967056] ? clear_page_dirty_for_io+0xee0/0xee0 [ 37.971972] ? fat_add_cluster+0xf0/0xf0 [ 37.976013] ? fat_readpages+0x30/0x30 [ 37.979880] mpage_writepages+0xd1/0x230 [ 37.983938] ? __mpage_writepage+0x1570/0x1570 [ 37.988675] ? fat_add_cluster+0xf0/0xf0 [ 37.992745] ? mark_held_locks+0xf0/0xf0 [ 37.996789] ? mark_held_locks+0xf0/0xf0 [ 38.000833] ? mark_held_locks+0xf0/0xf0 [ 38.004891] do_writepages+0xe5/0x290 [ 38.008694] ? page_writeback_cpu_online+0x10/0x10 [ 38.013615] ? do_raw_spin_unlock+0x171/0x230 [ 38.018268] ? _raw_spin_unlock+0x29/0x40 [ 38.022460] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 38.027730] __filemap_fdatawrite_range+0x27d/0x350 [ 38.032729] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 38.038075] ? file_remove_privs+0x183/0x530 [ 38.042576] filemap_write_and_wait_range+0x46/0xd0 [ 38.047596] generic_file_direct_write+0x389/0x4a0 [ 38.052602] __generic_file_write_iter+0x2d0/0x610 [ 38.057530] generic_file_write_iter+0x3f8/0x730 [ 38.062450] aio_write+0x37f/0x5c0 [ 38.065993] ? mark_held_locks+0xf0/0xf0 [ 38.070149] ? aio_setup_rw.isra.0+0x110/0x110 [ 38.074730] ? lock_downgrade+0x720/0x720 [ 38.079135] ? should_fail+0x142/0x7b0 [ 38.083113] ? lock_downgrade+0x720/0x720 [ 38.087276] ? lock_acquire+0x170/0x3c0 [ 38.091246] ? __might_fault+0xef/0x1d0 [ 38.095220] io_submit_one+0xecd/0x20c0 [ 38.099186] ? lock_downgrade+0x720/0x720 [ 38.103316] ? aio_read+0x420/0x420 [ 38.106957] ? check_preemption_disabled+0x41/0x280 [ 38.112120] __se_sys_io_submit+0x11b/0x4a0 [ 38.116426] ? io_submit_one+0x20c0/0x20c0 [ 38.120646] ? ksys_write+0x1c8/0x2a0 [ 38.124432] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 38.129868] ? trace_hardirqs_off_caller+0x6e/0x210 [ 38.135223] do_syscall_64+0xf9/0x620 [ 38.139006] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.144177] RIP: 0033:0x44ab79 [ 38.147365] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 38.166343] RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 38.174035] RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79 [ 38.181285] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000 [ 38.188643] RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032 [ 38.195912] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec [ 38.203170] R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001 executing program [ 38.372712] FAULT_INJECTION: forcing a failure. [ 38.372712] name failslab, interval 1, probability 0, space 0, times 0 [ 38.384280] CPU: 1 PID: 8193 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0 [ 38.392163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.401502] Call Trace: [ 38.404074] dump_stack+0x1fc/0x2ef [ 38.407680] should_fail.cold+0xa/0xf [ 38.411455] ? setup_fault_attr+0x200/0x200 [ 38.415754] __should_failslab+0x115/0x180 [ 38.419967] should_failslab+0x5/0x10 [ 38.423767] kmem_cache_alloc+0x3f/0x370 [ 38.427893] ? mempool_alloc+0x350/0x350 [ 38.431950] mempool_alloc+0x146/0x350 [ 38.435839] ? mempool_resize+0x790/0x790 [ 38.439970] ? deref_stack_reg+0x1d0/0x1d0 [ 38.444285] ? lock_downgrade+0x720/0x720 [ 38.448410] ? lock_acquire+0x170/0x3c0 [ 38.452363] ? deref_stack_reg+0x134/0x1d0 [ 38.456601] ? get_page_from_freelist+0x1d60/0x4170 [ 38.461599] bio_alloc_bioset+0x389/0x5e0 [ 38.465727] ? mark_held_locks+0xf0/0xf0 [ 38.469778] ? mark_held_locks+0xf0/0xf0 [ 38.473817] ? bvec_alloc+0x2f0/0x2f0 [ 38.477597] ? unwind_next_frame+0xeee/0x1400 [ 38.482078] mpage_alloc+0x2f/0x260 [ 38.485696] __mpage_writepage+0x102a/0x1570 [ 38.490100] ? page_mapped+0x17e/0x3c0 [ 38.493964] ? clean_buffers+0x290/0x290 [ 38.498004] ? page_mkclean+0x1a5/0x2b0 [ 38.501966] ? lock_downgrade+0x720/0x720 [ 38.506111] ? clear_page_dirty_for_io+0x2c8/0xee0 [ 38.511048] write_cache_pages+0x802/0x12d0 [ 38.515350] ? clean_buffers+0x290/0x290 [ 38.519518] ? clear_page_dirty_for_io+0xee0/0xee0 [ 38.524430] ? fat_add_cluster+0xf0/0xf0 [ 38.528469] ? fat_readpages+0x30/0x30 [ 38.532333] mpage_writepages+0xd1/0x230 [ 38.536370] ? __mpage_writepage+0x1570/0x1570 [ 38.540929] ? fat_add_cluster+0xf0/0xf0 [ 38.544968] ? mark_held_locks+0xf0/0xf0 [ 38.549118] ? mark_held_locks+0xf0/0xf0 [ 38.553162] ? mark_held_locks+0xf0/0xf0 [ 38.557214] do_writepages+0xe5/0x290 [ 38.561010] ? page_writeback_cpu_online+0x10/0x10 [ 38.565916] ? do_raw_spin_unlock+0x171/0x230 [ 38.570392] ? _raw_spin_unlock+0x29/0x40 [ 38.574516] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 38.579772] __filemap_fdatawrite_range+0x27d/0x350 [ 38.584852] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 38.590202] ? file_remove_privs+0x183/0x530 [ 38.594689] filemap_write_and_wait_range+0x46/0xd0 [ 38.599696] generic_file_direct_write+0x389/0x4a0 [ 38.604616] __generic_file_write_iter+0x2d0/0x610 [ 38.609628] generic_file_write_iter+0x3f8/0x730 [ 38.614450] aio_write+0x37f/0x5c0 [ 38.617986] ? mark_held_locks+0xf0/0xf0 [ 38.622131] ? aio_setup_rw.isra.0+0x110/0x110 [ 38.626814] ? lock_downgrade+0x720/0x720 [ 38.631035] ? should_fail+0x142/0x7b0 [ 38.634924] ? lock_downgrade+0x720/0x720 [ 38.639054] ? lock_acquire+0x170/0x3c0 [ 38.643031] ? __might_fault+0xef/0x1d0 [ 38.646998] io_submit_one+0xecd/0x20c0 [ 38.650952] ? lock_downgrade+0x720/0x720 [ 38.655076] ? aio_read+0x420/0x420 [ 38.658697] ? check_preemption_disabled+0x41/0x280 [ 38.663691] __se_sys_io_submit+0x11b/0x4a0 [ 38.668090] ? io_submit_one+0x20c0/0x20c0 [ 38.672308] ? ksys_write+0x1c8/0x2a0 [ 38.676101] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 38.681447] ? trace_hardirqs_off_caller+0x6e/0x210 [ 38.686443] do_syscall_64+0xf9/0x620 [ 38.690222] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.695392] RIP: 0033:0x44ab79 [ 38.698563] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 38.717444] RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 38.725225] RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79 [ 38.732479] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000 [ 38.739725] RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032 [ 38.747070] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec [ 38.754326] R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001 executing program [ 38.910284] FAULT_INJECTION: forcing a failure. [ 38.910284] name failslab, interval 1, probability 0, space 0, times 0 [ 38.922268] CPU: 1 PID: 8200 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0 [ 38.930165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.939525] Call Trace: [ 38.942123] dump_stack+0x1fc/0x2ef [ 38.945759] should_fail.cold+0xa/0xf [ 38.949589] ? setup_fault_attr+0x200/0x200 [ 38.953920] ? mark_held_locks+0xf0/0xf0 [ 38.957979] __should_failslab+0x115/0x180 [ 38.962203] should_failslab+0x5/0x10 [ 38.966003] kmem_cache_alloc+0x3f/0x370 [ 38.970051] ? mempool_alloc+0x350/0x350 [ 38.974107] mempool_alloc+0x146/0x350 [ 38.977990] ? mempool_resize+0x790/0x790 [ 38.982116] ? deref_stack_reg+0x1d0/0x1d0 [ 38.986332] ? unwind_next_frame+0xeee/0x1400 [ 38.990807] ? deref_stack_reg+0x134/0x1d0 [ 38.995020] bio_alloc_bioset+0x389/0x5e0 [ 38.999150] ? mark_held_locks+0xf0/0xf0 [ 39.003188] ? mark_held_locks+0xf0/0xf0 [ 39.007226] ? bvec_alloc+0x2f0/0x2f0 [ 39.011006] ? unwind_next_frame+0xeee/0x1400 [ 39.015497] mpage_alloc+0x2f/0x260 [ 39.019130] __mpage_writepage+0x102a/0x1570 [ 39.023544] ? page_mapped+0x17e/0x3c0 [ 39.027423] ? clean_buffers+0x290/0x290 [ 39.031474] ? page_mkclean+0x1a5/0x2b0 [ 39.035455] ? lock_downgrade+0x720/0x720 [ 39.039586] ? clear_page_dirty_for_io+0x2c8/0xee0 [ 39.044497] write_cache_pages+0x802/0x12d0 [ 39.048819] ? clean_buffers+0x290/0x290 [ 39.052876] ? clear_page_dirty_for_io+0xee0/0xee0 [ 39.057890] ? fat_add_cluster+0xf0/0xf0 [ 39.062068] ? fat_readpages+0x30/0x30 [ 39.066001] mpage_writepages+0xd1/0x230 [ 39.070053] ? __mpage_writepage+0x1570/0x1570 [ 39.074626] ? fat_add_cluster+0xf0/0xf0 [ 39.078685] ? mark_held_locks+0xf0/0xf0 [ 39.082740] ? mark_held_locks+0xf0/0xf0 [ 39.086789] ? mark_held_locks+0xf0/0xf0 [ 39.090847] do_writepages+0xe5/0x290 [ 39.094633] ? page_writeback_cpu_online+0x10/0x10 [ 39.099553] ? do_raw_spin_unlock+0x171/0x230 [ 39.104034] ? _raw_spin_unlock+0x29/0x40 [ 39.108163] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 39.113419] __filemap_fdatawrite_range+0x27d/0x350 [ 39.118415] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 39.123760] ? file_remove_privs+0x183/0x530 [ 39.128150] filemap_write_and_wait_range+0x46/0xd0 [ 39.133151] generic_file_direct_write+0x389/0x4a0 [ 39.138063] __generic_file_write_iter+0x2d0/0x610 [ 39.142974] generic_file_write_iter+0x3f8/0x730 [ 39.147718] aio_write+0x37f/0x5c0 [ 39.151346] ? mark_held_locks+0xf0/0xf0 [ 39.155401] ? aio_setup_rw.isra.0+0x110/0x110 [ 39.160002] ? lock_downgrade+0x720/0x720 [ 39.164134] ? should_fail+0x142/0x7b0 [ 39.168007] ? lock_downgrade+0x720/0x720 [ 39.172149] ? lock_acquire+0x170/0x3c0 [ 39.176110] ? __might_fault+0xef/0x1d0 [ 39.180070] io_submit_one+0xecd/0x20c0 [ 39.184030] ? lock_downgrade+0x720/0x720 [ 39.188158] ? aio_read+0x420/0x420 [ 39.191772] ? check_preemption_disabled+0x41/0x280 [ 39.196772] __se_sys_io_submit+0x11b/0x4a0 [ 39.201093] ? io_submit_one+0x20c0/0x20c0 [ 39.205444] ? ksys_write+0x1c8/0x2a0 [ 39.209230] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 39.214575] ? trace_hardirqs_off_caller+0x6e/0x210 [ 39.219574] do_syscall_64+0xf9/0x620 [ 39.223359] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 39.228527] RIP: 0033:0x44ab79 [ 39.231701] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 39.250582] RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 39.258268] RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79 [ 39.265516] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000 [ 39.272764] RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032 [ 39.280015] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec [ 39.287264] R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001 executing program [ 39.425690] FAULT_INJECTION: forcing a failure. [ 39.425690] name failslab, interval 1, probability 0, space 0, times 0 [ 39.437269] CPU: 0 PID: 8208 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0 [ 39.445158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.454512] Call Trace: [ 39.457144] dump_stack+0x1fc/0x2ef [ 39.460781] should_fail.cold+0xa/0xf [ 39.464594] ? setup_fault_attr+0x200/0x200 [ 39.468919] ? set_next_entity+0x442/0x1dc0 [ 39.473238] __should_failslab+0x115/0x180 [ 39.477452] should_failslab+0x5/0x10 [ 39.481231] kmem_cache_alloc+0x3f/0x370 [ 39.485286] ? mempool_alloc+0x350/0x350 [ 39.489340] mempool_alloc+0x146/0x350 [ 39.493206] ? mempool_resize+0x790/0x790 [ 39.497346] ? deref_stack_reg+0x1d0/0x1d0 [ 39.501611] ? lock_downgrade+0x720/0x720 [ 39.505752] ? lock_acquire+0x170/0x3c0 [ 39.509712] ? deref_stack_reg+0x134/0x1d0 [ 39.513927] ? get_page_from_freelist+0x1d60/0x4170 [ 39.518925] bio_alloc_bioset+0x389/0x5e0 [ 39.523102] ? mark_held_locks+0xf0/0xf0 [ 39.527146] ? mark_held_locks+0xf0/0xf0 [ 39.531237] ? bvec_alloc+0x2f0/0x2f0 [ 39.535058] ? unwind_next_frame+0xeee/0x1400 [ 39.539586] mpage_alloc+0x2f/0x260 [ 39.543414] __mpage_writepage+0x102a/0x1570 [ 39.547938] ? page_mapped+0x17e/0x3c0 [ 39.551893] ? clean_buffers+0x290/0x290 [ 39.555951] ? page_mkclean+0x1a5/0x2b0 [ 39.559905] ? lock_downgrade+0x720/0x720 [ 39.564033] ? clear_page_dirty_for_io+0x2c8/0xee0 [ 39.568945] write_cache_pages+0x802/0x12d0 [ 39.573259] ? clean_buffers+0x290/0x290 [ 39.577300] ? clear_page_dirty_for_io+0xee0/0xee0 [ 39.582226] ? fat_add_cluster+0xf0/0xf0 [ 39.586263] ? fat_readpages+0x30/0x30 [ 39.590127] mpage_writepages+0xd1/0x230 [ 39.594165] ? __mpage_writepage+0x1570/0x1570 [ 39.598726] ? fat_add_cluster+0xf0/0xf0 [ 39.602766] ? mark_held_locks+0xf0/0xf0 [ 39.606890] ? mark_held_locks+0xf0/0xf0 [ 39.610928] ? mark_held_locks+0xf0/0xf0 [ 39.614967] do_writepages+0xe5/0x290 [ 39.618746] ? page_writeback_cpu_online+0x10/0x10 [ 39.623654] ? do_raw_spin_unlock+0x171/0x230 [ 39.628131] ? _raw_spin_unlock+0x29/0x40 [ 39.632257] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 39.637511] __filemap_fdatawrite_range+0x27d/0x350 [ 39.642504] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 39.647844] ? file_remove_privs+0x183/0x530 [ 39.652231] filemap_write_and_wait_range+0x46/0xd0 [ 39.657222] generic_file_direct_write+0x389/0x4a0 [ 39.662132] __generic_file_write_iter+0x2d0/0x610 [ 39.667055] generic_file_write_iter+0x3f8/0x730 [ 39.671806] aio_write+0x37f/0x5c0 [ 39.675325] ? mark_held_locks+0xf0/0xf0 [ 39.679362] ? aio_setup_rw.isra.0+0x110/0x110 [ 39.683927] ? lock_downgrade+0x720/0x720 [ 39.688052] ? should_fail+0x142/0x7b0 [ 39.691919] ? lock_downgrade+0x720/0x720 [ 39.696043] ? lock_acquire+0x170/0x3c0 [ 39.699995] ? __might_fault+0xef/0x1d0 [ 39.703977] io_submit_one+0xecd/0x20c0 [ 39.707952] ? lock_downgrade+0x720/0x720 [ 39.712098] ? aio_read+0x420/0x420 [ 39.715715] ? check_preemption_disabled+0x41/0x280 [ 39.720718] __se_sys_io_submit+0x11b/0x4a0 [ 39.725025] ? io_submit_one+0x20c0/0x20c0 [ 39.729239] ? ksys_write+0x1c8/0x2a0 [ 39.733054] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 39.738395] ? trace_hardirqs_off_caller+0x6e/0x210 [ 39.743398] do_syscall_64+0xf9/0x620 [ 39.747178] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 39.752358] RIP: 0033:0x44ab79 [ 39.755529] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 39.774420] RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 39.782108] RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79 [ 39.789358] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000 [ 39.796627] RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032 [ 39.803876] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec [ 39.811155] R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001 executing program [ 39.968401] FAULT_INJECTION: forcing a failure. [ 39.968401] name failslab, interval 1, probability 0, space 0, times 0 [ 39.983418] CPU: 0 PID: 8218 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0 [ 39.991328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.000675] Call Trace: [ 40.003262] dump_stack+0x1fc/0x2ef [ 40.006911] should_fail.cold+0xa/0xf [ 40.010694] ? setup_fault_attr+0x200/0x200 [ 40.015000] __should_failslab+0x115/0x180 [ 40.019224] should_failslab+0x5/0x10 [ 40.023005] kmem_cache_alloc+0x3f/0x370 [ 40.027050] ? mempool_alloc+0x350/0x350 [ 40.031087] mempool_alloc+0x146/0x350 [ 40.034952] ? mempool_resize+0x790/0x790 [ 40.039080] ? deref_stack_reg+0x1d0/0x1d0 [ 40.043307] ? unwind_next_frame+0xeee/0x1400 [ 40.047778] ? deref_stack_reg+0x134/0x1d0 [ 40.052007] bio_alloc_bioset+0x389/0x5e0 [ 40.056160] ? mark_held_locks+0xf0/0xf0 [ 40.060210] ? mark_held_locks+0xf0/0xf0 [ 40.064260] ? bvec_alloc+0x2f0/0x2f0 [ 40.068051] ? unwind_next_frame+0xeee/0x1400 [ 40.072626] mpage_alloc+0x2f/0x260 [ 40.076232] __mpage_writepage+0x102a/0x1570 [ 40.080623] ? page_mapped+0x17e/0x3c0 [ 40.084493] ? clean_buffers+0x290/0x290 [ 40.088543] ? page_mkclean+0x1a5/0x2b0 [ 40.092502] ? lock_downgrade+0x720/0x720 [ 40.096635] ? clear_page_dirty_for_io+0x2c8/0xee0 [ 40.101559] write_cache_pages+0x802/0x12d0 [ 40.105862] ? clean_buffers+0x290/0x290 [ 40.109901] ? clear_page_dirty_for_io+0xee0/0xee0 [ 40.114817] ? fat_add_cluster+0xf0/0xf0 [ 40.118870] ? fat_readpages+0x30/0x30 [ 40.122749] mpage_writepages+0xd1/0x230 [ 40.126799] ? __mpage_writepage+0x1570/0x1570 [ 40.131364] ? fat_add_cluster+0xf0/0xf0 [ 40.135489] ? mark_held_locks+0xf0/0xf0 [ 40.139528] ? mark_held_locks+0xf0/0xf0 [ 40.143663] ? mark_held_locks+0xf0/0xf0 [ 40.147714] do_writepages+0xe5/0x290 [ 40.151498] ? page_writeback_cpu_online+0x10/0x10 [ 40.156407] ? do_raw_spin_unlock+0x171/0x230 [ 40.160887] ? _raw_spin_unlock+0x29/0x40 [ 40.165026] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 40.170284] __filemap_fdatawrite_range+0x27d/0x350 [ 40.175293] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 40.180636] ? file_remove_privs+0x183/0x530 [ 40.185037] filemap_write_and_wait_range+0x46/0xd0 [ 40.190033] generic_file_direct_write+0x389/0x4a0 [ 40.194942] __generic_file_write_iter+0x2d0/0x610 [ 40.199848] generic_file_write_iter+0x3f8/0x730 [ 40.204595] aio_write+0x37f/0x5c0 [ 40.208115] ? mark_held_locks+0xf0/0xf0 [ 40.212242] ? aio_setup_rw.isra.0+0x110/0x110 [ 40.216805] ? lock_downgrade+0x720/0x720 [ 40.221051] ? should_fail+0x142/0x7b0 [ 40.224919] ? lock_downgrade+0x720/0x720 [ 40.229055] ? lock_acquire+0x170/0x3c0 [ 40.233007] ? __might_fault+0xef/0x1d0 [ 40.236975] io_submit_one+0xecd/0x20c0 [ 40.240945] ? lock_downgrade+0x720/0x720 [ 40.245204] ? aio_read+0x420/0x420 [ 40.248818] ? check_preemption_disabled+0x41/0x280 [ 40.253828] __se_sys_io_submit+0x11b/0x4a0 [ 40.258129] ? io_submit_one+0x20c0/0x20c0 [ 40.262344] ? ksys_write+0x1c8/0x2a0 [ 40.266125] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 40.271468] ? trace_hardirqs_off_caller+0x6e/0x210 [ 40.276467] do_syscall_64+0xf9/0x620 [ 40.280261] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 40.285538] RIP: 0033:0x44ab79 [ 40.288726] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 40.307694] RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 40.315481] RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79 [ 40.322842] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000 [ 40.330374] RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032 [ 40.337867] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec [ 40.345279] R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001 executing program [ 40.500955] FAULT_INJECTION: forcing a failure. [ 40.500955] name failslab, interval 1, probability 0, space 0, times 0 [ 40.513518] CPU: 1 PID: 8227 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0 [ 40.521410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.531023] Call Trace: [ 40.533594] dump_stack+0x1fc/0x2ef [ 40.537204] should_fail.cold+0xa/0xf [ 40.541275] ? setup_fault_attr+0x200/0x200 [ 40.545675] __should_failslab+0x115/0x180 [ 40.549978] should_failslab+0x5/0x10 [ 40.553760] kmem_cache_alloc+0x3f/0x370 [ 40.557817] ? mempool_alloc+0x350/0x350 [ 40.561870] mempool_alloc+0x146/0x350 [ 40.565826] ? mempool_resize+0x790/0x790 [ 40.569969] ? deref_stack_reg+0x1d0/0x1d0 [ 40.574204] ? lock_downgrade+0x720/0x720 [ 40.578427] ? lock_acquire+0x170/0x3c0 [ 40.582405] ? deref_stack_reg+0x134/0x1d0 [ 40.586635] ? get_page_from_freelist+0x1d60/0x4170 [ 40.591632] bio_alloc_bioset+0x389/0x5e0 [ 40.595889] ? mark_held_locks+0xf0/0xf0 [ 40.600147] ? mark_held_locks+0xf0/0xf0 [ 40.604261] ? bvec_alloc+0x2f0/0x2f0 [ 40.608048] ? unwind_next_frame+0xeee/0x1400 [ 40.612665] mpage_alloc+0x2f/0x260 [ 40.616280] __mpage_writepage+0x102a/0x1570 [ 40.620691] ? page_mapped+0x17e/0x3c0 [ 40.624586] ? clean_buffers+0x290/0x290 [ 40.628642] ? page_mkclean+0x1a5/0x2b0 [ 40.632601] ? lock_downgrade+0x720/0x720 [ 40.636770] ? clear_page_dirty_for_io+0x2c8/0xee0 [ 40.641705] write_cache_pages+0x802/0x12d0 [ 40.646040] ? clean_buffers+0x290/0x290 [ 40.650624] ? clear_page_dirty_for_io+0xee0/0xee0 [ 40.655552] ? fat_add_cluster+0xf0/0xf0 [ 40.662596] ? fat_readpages+0x30/0x30 [ 40.666559] mpage_writepages+0xd1/0x230 [ 40.670959] ? __mpage_writepage+0x1570/0x1570 [ 40.675641] ? fat_add_cluster+0xf0/0xf0 [ 40.679717] ? mark_held_locks+0xf0/0xf0 [ 40.684058] ? mark_held_locks+0xf0/0xf0 [ 40.688221] ? mark_held_locks+0xf0/0xf0 [ 40.692371] do_writepages+0xe5/0x290 [ 40.696158] ? page_writeback_cpu_online+0x10/0x10 [ 40.701095] ? do_raw_spin_unlock+0x171/0x230 [ 40.705712] ? _raw_spin_unlock+0x29/0x40 [ 40.709877] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 40.715149] __filemap_fdatawrite_range+0x27d/0x350 [ 40.720168] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 40.725531] ? file_remove_privs+0x183/0x530 [ 40.730429] filemap_write_and_wait_range+0x46/0xd0 [ 40.735551] generic_file_direct_write+0x389/0x4a0 [ 40.740515] __generic_file_write_iter+0x2d0/0x610 [ 40.745595] generic_file_write_iter+0x3f8/0x730 [ 40.750348] aio_write+0x37f/0x5c0 [ 40.753877] ? mark_held_locks+0xf0/0xf0 [ 40.757934] ? aio_setup_rw.isra.0+0x110/0x110 [ 40.762676] ? lock_downgrade+0x720/0x720 [ 40.766817] ? should_fail+0x142/0x7b0 [ 40.770687] ? lock_downgrade+0x720/0x720 [ 40.774810] ? lock_acquire+0x170/0x3c0 [ 40.778761] ? __might_fault+0xef/0x1d0 [ 40.782714] io_submit_one+0xecd/0x20c0 [ 40.786716] ? lock_downgrade+0x720/0x720 [ 40.790838] ? aio_read+0x420/0x420 [ 40.794449] ? check_preemption_disabled+0x41/0x280 [ 40.799441] __se_sys_io_submit+0x11b/0x4a0 [ 40.803740] ? io_submit_one+0x20c0/0x20c0 [ 40.807964] ? ksys_write+0x1c8/0x2a0 [ 40.811761] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 40.817116] ? trace_hardirqs_off_caller+0x6e/0x210 [ 40.822125] do_syscall_64+0xf9/0x620 [ 40.825923] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 40.831176] RIP: 0033:0x44ab79 [ 40.834356] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 40.853470] RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 40.861257] RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79 [ 40.868514] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000 [ 40.875761] RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032 [ 40.883007] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec [ 40.890266] R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001 executing program [ 41.056637] FAULT_INJECTION: forcing a failure. [ 41.056637] name failslab, interval 1, probability 0, space 0, times 0 [ 41.067925] CPU: 0 PID: 8234 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0 [ 41.075789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.085118] Call Trace: [ 41.087726] dump_stack+0x1fc/0x2ef [ 41.091377] should_fail.cold+0xa/0xf [ 41.095154] ? setup_fault_attr+0x200/0x200 [ 41.099456] __should_failslab+0x115/0x180 [ 41.103932] should_failslab+0x5/0x10 [ 41.107727] kmem_cache_alloc+0x3f/0x370 [ 41.111769] ? mempool_alloc+0x350/0x350 [ 41.115810] mempool_alloc+0x146/0x350 [ 41.119691] ? mempool_resize+0x790/0x790 [ 41.123836] ? deref_stack_reg+0x1d0/0x1d0 [ 41.128145] ? unwind_next_frame+0xeee/0x1400 [ 41.132632] ? deref_stack_reg+0x134/0x1d0 [ 41.136894] bio_alloc_bioset+0x389/0x5e0 [ 41.141030] ? mark_held_locks+0xf0/0xf0 [ 41.145074] ? mark_held_locks+0xf0/0xf0 [ 41.149116] ? bvec_alloc+0x2f0/0x2f0 [ 41.152913] ? unwind_next_frame+0xeee/0x1400 [ 41.157388] mpage_alloc+0x2f/0x260 [ 41.161009] __mpage_writepage+0x102a/0x1570 [ 41.165570] ? page_mapped+0x17e/0x3c0 [ 41.169442] ? clean_buffers+0x290/0x290 [ 41.173555] ? page_mkclean+0x1a5/0x2b0 [ 41.177515] ? lock_downgrade+0x720/0x720 [ 41.181646] ? clear_page_dirty_for_io+0x2c8/0xee0 [ 41.186609] write_cache_pages+0x802/0x12d0 [ 41.190912] ? clean_buffers+0x290/0x290 [ 41.194954] ? clear_page_dirty_for_io+0xee0/0xee0 [ 41.199865] ? fat_add_cluster+0xf0/0xf0 [ 41.203991] ? fat_readpages+0x30/0x30 [ 41.207855] mpage_writepages+0xd1/0x230 [ 41.211895] ? __mpage_writepage+0x1570/0x1570 [ 41.216471] ? fat_add_cluster+0xf0/0xf0 [ 41.220531] ? mark_held_locks+0xf0/0xf0 [ 41.224586] ? mark_held_locks+0xf0/0xf0 [ 41.228638] ? mark_held_locks+0xf0/0xf0 [ 41.232683] do_writepages+0xe5/0x290 [ 41.236467] ? page_writeback_cpu_online+0x10/0x10 [ 41.241486] ? do_raw_spin_unlock+0x171/0x230 [ 41.245962] ? _raw_spin_unlock+0x29/0x40 [ 41.250089] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 41.255359] __filemap_fdatawrite_range+0x27d/0x350 [ 41.260368] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 41.265713] ? file_remove_privs+0x183/0x530 [ 41.270113] filemap_write_and_wait_range+0x46/0xd0 [ 41.275110] generic_file_direct_write+0x389/0x4a0 [ 41.280018] __generic_file_write_iter+0x2d0/0x610 [ 41.284927] generic_file_write_iter+0x3f8/0x730 [ 41.289674] aio_write+0x37f/0x5c0 [ 41.293193] ? mark_held_locks+0xf0/0xf0 [ 41.297229] ? aio_setup_rw.isra.0+0x110/0x110 [ 41.301799] ? lock_downgrade+0x720/0x720 [ 41.305926] ? should_fail+0x142/0x7b0 [ 41.309792] ? lock_downgrade+0x720/0x720 [ 41.313918] ? lock_acquire+0x170/0x3c0 [ 41.317874] ? __might_fault+0xef/0x1d0 [ 41.321853] io_submit_one+0xecd/0x20c0 [ 41.325810] ? lock_downgrade+0x720/0x720 [ 41.329941] ? aio_read+0x420/0x420 [ 41.333550] ? check_preemption_disabled+0x41/0x280 [ 41.338548] __se_sys_io_submit+0x11b/0x4a0 [ 41.343055] ? io_submit_one+0x20c0/0x20c0 [ 41.347294] ? ksys_write+0x1c8/0x2a0 [ 41.351096] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 41.356444] ? trace_hardirqs_off_caller+0x6e/0x210 [ 41.361442] do_syscall_64+0xf9/0x620 [ 41.365234] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 41.370419] RIP: 0033:0x44ab79 [ 41.373612] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 41.393126] RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 41.401089] RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79 [ 41.408962] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000 [ 41.416212] RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032 [ 41.423841] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec [ 41.431324] R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001 executing program [ 41.569367] FAULT_INJECTION: forcing a failure. [ 41.569367] name failslab, interval 1, probability 0, space 0, times 0 [ 41.581000] CPU: 1 PID: 8241 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0 [ 41.588871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.598213] Call Trace: [ 41.600787] dump_stack+0x1fc/0x2ef [ 41.604525] should_fail.cold+0xa/0xf [ 41.608322] ? setup_fault_attr+0x200/0x200 [ 41.612703] ? mark_held_locks+0xf0/0xf0 [ 41.616749] __should_failslab+0x115/0x180 [ 41.621229] should_failslab+0x5/0x10 [ 41.625007] kmem_cache_alloc+0x3f/0x370 [ 41.629062] ? mempool_alloc+0x350/0x350 [ 41.633108] mempool_alloc+0x146/0x350 [ 41.636976] ? mempool_resize+0x790/0x790 [ 41.641116] ? deref_stack_reg+0x1d0/0x1d0 [ 41.645328] ? unwind_next_frame+0xeee/0x1400 [ 41.649821] ? deref_stack_reg+0x134/0x1d0 [ 41.654036] bio_alloc_bioset+0x389/0x5e0 [ 41.658168] ? mark_held_locks+0xf0/0xf0 [ 41.662215] ? mark_held_locks+0xf0/0xf0 [ 41.666266] ? bvec_alloc+0x2f0/0x2f0 [ 41.670044] ? unwind_next_frame+0xeee/0x1400 [ 41.674522] mpage_alloc+0x2f/0x260 [ 41.678130] __mpage_writepage+0x102a/0x1570 [ 41.682608] ? page_mapped+0x17e/0x3c0 [ 41.686473] ? clean_buffers+0x290/0x290 [ 41.690529] ? page_mkclean+0x1a5/0x2b0 [ 41.694514] ? lock_downgrade+0x720/0x720 [ 41.698661] ? clear_page_dirty_for_io+0x2c8/0xee0 [ 41.703584] write_cache_pages+0x802/0x12d0 [ 41.707895] ? clean_buffers+0x290/0x290 [ 41.711941] ? clear_page_dirty_for_io+0xee0/0xee0 [ 41.717300] ? fat_add_cluster+0xf0/0xf0 [ 41.721371] ? fat_readpages+0x30/0x30 [ 41.725242] mpage_writepages+0xd1/0x230 [ 41.729372] ? __mpage_writepage+0x1570/0x1570 [ 41.733946] ? fat_add_cluster+0xf0/0xf0 [ 41.737989] ? mark_held_locks+0xf0/0xf0 [ 41.742029] ? mark_held_locks+0xf0/0xf0 [ 41.746087] ? mark_held_locks+0xf0/0xf0 [ 41.750156] do_writepages+0xe5/0x290 [ 41.753941] ? page_writeback_cpu_online+0x10/0x10 [ 41.758850] ? do_raw_spin_unlock+0x171/0x230 [ 41.763338] ? _raw_spin_unlock+0x29/0x40 [ 41.767481] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 41.772752] __filemap_fdatawrite_range+0x27d/0x350 [ 41.777751] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 41.783095] ? file_remove_privs+0x183/0x530 [ 41.787492] filemap_write_and_wait_range+0x46/0xd0 [ 41.792490] generic_file_direct_write+0x389/0x4a0 [ 41.797400] __generic_file_write_iter+0x2d0/0x610 [ 41.802314] generic_file_write_iter+0x3f8/0x730 [ 41.807090] aio_write+0x37f/0x5c0 [ 41.810610] ? mark_held_locks+0xf0/0xf0 [ 41.814650] ? aio_setup_rw.isra.0+0x110/0x110 [ 41.819223] ? lock_downgrade+0x720/0x720 [ 41.823351] ? should_fail+0x142/0x7b0 [ 41.827220] ? lock_downgrade+0x720/0x720 [ 41.831364] ? lock_acquire+0x170/0x3c0 [ 41.835319] ? __might_fault+0xef/0x1d0 [ 41.839372] io_submit_one+0xecd/0x20c0 [ 41.843330] ? lock_downgrade+0x720/0x720 [ 41.847456] ? aio_read+0x420/0x420 [ 41.851089] ? check_preemption_disabled+0x41/0x280 [ 41.856092] __se_sys_io_submit+0x11b/0x4a0 [ 41.860405] ? io_submit_one+0x20c0/0x20c0 [ 41.864617] ? ksys_write+0x1c8/0x2a0 [ 41.868398] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 41.873741] ? trace_hardirqs_off_caller+0x6e/0x210 [ 41.878736] do_syscall_64+0xf9/0x620 [ 41.882623] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 41.887792] RIP: 0033:0x44ab79 [ 41.890964] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 41.909850] RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 41.917577] RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79 [ 41.924971] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000 [ 41.932238] RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032 [ 41.939671] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec [ 41.947023] R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001 executing program [ 42.095828] FAULT_INJECTION: forcing a failure. [ 42.095828] name failslab, interval 1, probability 0, space 0, times 0 [ 42.107233] CPU: 1 PID: 8249 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0 [ 42.115132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.124576] Call Trace: [ 42.127178] dump_stack+0x1fc/0x2ef [ 42.130815] should_fail.cold+0xa/0xf [ 42.134624] ? setup_fault_attr+0x200/0x200 [ 42.138980] __should_failslab+0x115/0x180 [ 42.143299] should_failslab+0x5/0x10 [ 42.147298] kmem_cache_alloc+0x3f/0x370 [ 42.151471] ? mempool_alloc+0x350/0x350 [ 42.155525] mempool_alloc+0x146/0x350 [ 42.159413] ? mempool_resize+0x790/0x790 [ 42.163721] ? deref_stack_reg+0x1d0/0x1d0 [ 42.167944] ? lock_downgrade+0x720/0x720 [ 42.172075] ? lock_acquire+0x170/0x3c0 [ 42.176030] ? deref_stack_reg+0x134/0x1d0 [ 42.180266] ? get_page_from_freelist+0x1d60/0x4170 [ 42.185281] bio_alloc_bioset+0x389/0x5e0 [ 42.189411] ? mark_held_locks+0xf0/0xf0 [ 42.193474] ? mark_held_locks+0xf0/0xf0 [ 42.197610] ? bvec_alloc+0x2f0/0x2f0 [ 42.201424] ? unwind_next_frame+0xeee/0x1400 [ 42.205927] mpage_alloc+0x2f/0x260 [ 42.209558] __mpage_writepage+0x102a/0x1570 [ 42.213960] ? page_mapped+0x17e/0x3c0 [ 42.217852] ? clean_buffers+0x290/0x290 [ 42.221894] ? page_mkclean+0x1a5/0x2b0 [ 42.225856] ? lock_downgrade+0x720/0x720 [ 42.229987] ? clear_page_dirty_for_io+0x2c8/0xee0 [ 42.234902] write_cache_pages+0x802/0x12d0 [ 42.239206] ? clean_buffers+0x290/0x290 [ 42.243257] ? clear_page_dirty_for_io+0xee0/0xee0 [ 42.248260] ? fat_add_cluster+0xf0/0xf0 [ 42.252311] ? fat_readpages+0x30/0x30 [ 42.256183] mpage_writepages+0xd1/0x230 [ 42.260223] ? __mpage_writepage+0x1570/0x1570 [ 42.264788] ? fat_add_cluster+0xf0/0xf0 [ 42.268830] ? mark_held_locks+0xf0/0xf0 [ 42.272962] ? mark_held_locks+0xf0/0xf0 [ 42.277011] ? mark_held_locks+0xf0/0xf0 [ 42.281053] do_writepages+0xe5/0x290 [ 42.285529] ? page_writeback_cpu_online+0x10/0x10 [ 42.290548] ? do_raw_spin_unlock+0x171/0x230 [ 42.295024] ? _raw_spin_unlock+0x29/0x40 [ 42.299518] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 42.304866] __filemap_fdatawrite_range+0x27d/0x350 [ 42.309877] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 42.315227] ? file_remove_privs+0x183/0x530 [ 42.319638] filemap_write_and_wait_range+0x46/0xd0 [ 42.324733] generic_file_direct_write+0x389/0x4a0 [ 42.329643] __generic_file_write_iter+0x2d0/0x610 [ 42.334555] generic_file_write_iter+0x3f8/0x730 [ 42.339294] aio_write+0x37f/0x5c0 [ 42.342876] ? mark_held_locks+0xf0/0xf0 [ 42.346946] ? aio_setup_rw.isra.0+0x110/0x110 [ 42.351625] ? lock_downgrade+0x720/0x720 [ 42.355755] ? should_fail+0x142/0x7b0 [ 42.359632] ? lock_downgrade+0x720/0x720 [ 42.363880] ? lock_acquire+0x170/0x3c0 [ 42.367846] ? __might_fault+0xef/0x1d0 [ 42.371819] io_submit_one+0xecd/0x20c0 [ 42.376212] ? lock_downgrade+0x720/0x720 [ 42.380337] ? aio_read+0x420/0x420 [ 42.383948] ? check_preemption_disabled+0x41/0x280 [ 42.388946] __se_sys_io_submit+0x11b/0x4a0 [ 42.393248] ? io_submit_one+0x20c0/0x20c0 [ 42.397659] ? ksys_write+0x1c8/0x2a0 [ 42.401443] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 42.406903] ? trace_hardirqs_off_caller+0x6e/0x210 [ 42.411917] do_syscall_64+0xf9/0x620 [ 42.415710] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 42.420904] RIP: 0033:0x44ab79 [ 42.424095] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 42.443080] RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 42.450768] RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79 [ 42.458021] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000 [ 42.465271] RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032 [ 42.472780] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec [ 42.480042] R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001 executing program [ 42.639233] FAULT_INJECTION: forcing a failure. [ 42.639233] name failslab, interval 1, probability 0, space 0, times 0 [ 42.650519] CPU: 0 PID: 8257 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0 [ 42.658641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.667987] Call Trace: [ 42.670573] dump_stack+0x1fc/0x2ef [ 42.674182] should_fail.cold+0xa/0xf [ 42.677971] ? setup_fault_attr+0x200/0x200 [ 42.682275] __should_failslab+0x115/0x180 [ 42.686490] should_failslab+0x5/0x10 [ 42.690275] kmem_cache_alloc+0x3f/0x370 [ 42.694313] ? mempool_alloc+0x350/0x350 [ 42.698352] mempool_alloc+0x146/0x350 [ 42.702226] ? mempool_resize+0x790/0x790 [ 42.706353] ? deref_stack_reg+0x1d0/0x1d0 [ 42.710567] ? unwind_next_frame+0xeee/0x1400 [ 42.715155] ? deref_stack_reg+0x134/0x1d0 [ 42.719389] bio_alloc_bioset+0x389/0x5e0 [ 42.723550] ? mark_held_locks+0xf0/0xf0 [ 42.727887] ? mark_held_locks+0xf0/0xf0 [ 42.732115] ? bvec_alloc+0x2f0/0x2f0 [ 42.735902] ? unwind_next_frame+0xeee/0x1400 [ 42.740470] mpage_alloc+0x2f/0x260 [ 42.744182] __mpage_writepage+0x102a/0x1570 [ 42.748589] ? page_mapped+0x17e/0x3c0 [ 42.752654] ? clean_buffers+0x290/0x290 [ 42.756697] ? page_mkclean+0x1a5/0x2b0 [ 42.760655] ? lock_downgrade+0x720/0x720 [ 42.764875] ? clear_page_dirty_for_io+0x2c8/0xee0 [ 42.769787] write_cache_pages+0x802/0x12d0 [ 42.774176] ? clean_buffers+0x290/0x290 [ 42.778342] ? clear_page_dirty_for_io+0xee0/0xee0 [ 42.783325] ? fat_add_cluster+0xf0/0xf0 [ 42.787380] ? fat_readpages+0x30/0x30 [ 42.791249] mpage_writepages+0xd1/0x230 [ 42.795290] ? __mpage_writepage+0x1570/0x1570 [ 42.800066] ? fat_add_cluster+0xf0/0xf0 [ 42.804111] ? mark_held_locks+0xf0/0xf0 [ 42.808260] ? mark_held_locks+0xf0/0xf0 [ 42.812322] ? mark_held_locks+0xf0/0xf0 [ 42.816476] do_writepages+0xe5/0x290 [ 42.820276] ? page_writeback_cpu_online+0x10/0x10 [ 42.825200] ? do_raw_spin_unlock+0x171/0x230 [ 42.829672] ? _raw_spin_unlock+0x29/0x40 [ 42.833823] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 42.839170] __filemap_fdatawrite_range+0x27d/0x350 [ 42.844261] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 42.849692] ? file_remove_privs+0x183/0x530 [ 42.854090] filemap_write_and_wait_range+0x46/0xd0 [ 42.859174] generic_file_direct_write+0x389/0x4a0 [ 42.864084] __generic_file_write_iter+0x2d0/0x610 [ 42.869184] generic_file_write_iter+0x3f8/0x730 [ 42.873923] aio_write+0x37f/0x5c0 [ 42.877619] ? mark_held_locks+0xf0/0xf0 [ 42.881660] ? aio_setup_rw.isra.0+0x110/0x110 [ 42.886239] ? lock_downgrade+0x720/0x720 [ 42.890367] ? should_fail+0x142/0x7b0 [ 42.894266] ? lock_downgrade+0x720/0x720 [ 42.898409] ? lock_acquire+0x170/0x3c0 [ 42.902364] ? __might_fault+0xef/0x1d0 [ 42.906321] io_submit_one+0xecd/0x20c0 [ 42.910277] ? lock_downgrade+0x720/0x720 [ 42.914403] ? aio_read+0x420/0x420 [ 42.918023] ? check_preemption_disabled+0x41/0x280 [ 42.923029] __se_sys_io_submit+0x11b/0x4a0 [ 42.927336] ? io_submit_one+0x20c0/0x20c0 [ 42.931549] ? ksys_write+0x1c8/0x2a0 [ 42.935342] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 42.940705] ? trace_hardirqs_off_caller+0x6e/0x210 [ 42.945727] do_syscall_64+0xf9/0x620 [ 42.949516] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 42.954688] RIP: 0033:0x44ab79 [ 42.957903] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 42.976872] RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 42.984562] RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79 [ 42.991814] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000 [ 42.999063] RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032 [ 43.006332] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec [ 43.013584] R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001 executing program [ 43.145957] FAULT_INJECTION: forcing a failure. [ 43.145957] name failslab, interval 1, probability 0, space 0, times 0 [ 43.158113] CPU: 0 PID: 8264 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0 [ 43.166131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.175661] Call Trace: [ 43.178234] dump_stack+0x1fc/0x2ef [ 43.181842] should_fail.cold+0xa/0xf [ 43.185626] ? setup_fault_attr+0x200/0x200 [ 43.189926] __should_failslab+0x115/0x180 [ 43.194157] should_failslab+0x5/0x10 [ 43.197936] kmem_cache_alloc+0x3f/0x370 [ 43.201988] ? mempool_alloc+0x350/0x350 [ 43.206038] mempool_alloc+0x146/0x350 [ 43.210261] ? mempool_resize+0x790/0x790 [ 43.214387] ? deref_stack_reg+0x1d0/0x1d0 [ 43.218598] ? unwind_next_frame+0xeee/0x1400 [ 43.223072] ? deref_stack_reg+0x134/0x1d0 [ 43.227374] bio_alloc_bioset+0x389/0x5e0 [ 43.231503] ? mark_held_locks+0xf0/0xf0 [ 43.235545] ? mark_held_locks+0xf0/0xf0 [ 43.239611] ? bvec_alloc+0x2f0/0x2f0 [ 43.243390] ? unwind_next_frame+0xeee/0x1400 [ 43.247869] mpage_alloc+0x2f/0x260 [ 43.251476] __mpage_writepage+0x102a/0x1570 [ 43.255865] ? page_mapped+0x17e/0x3c0 [ 43.259727] ? clean_buffers+0x290/0x290 [ 43.263773] ? page_mkclean+0x1a5/0x2b0 [ 43.267727] ? lock_downgrade+0x720/0x720 [ 43.271960] ? clear_page_dirty_for_io+0x2c8/0xee0 [ 43.276906] write_cache_pages+0x802/0x12d0 [ 43.281207] ? clean_buffers+0x290/0x290 [ 43.285263] ? clear_page_dirty_for_io+0xee0/0xee0 [ 43.290177] ? fat_add_cluster+0xf0/0xf0 [ 43.294300] ? fat_readpages+0x30/0x30 [ 43.298176] mpage_writepages+0xd1/0x230 [ 43.302240] ? __mpage_writepage+0x1570/0x1570 [ 43.306809] ? fat_add_cluster+0xf0/0xf0 [ 43.310938] ? mark_held_locks+0xf0/0xf0 [ 43.314987] ? mark_held_locks+0xf0/0xf0 [ 43.319127] ? mark_held_locks+0xf0/0xf0 [ 43.323182] do_writepages+0xe5/0x290 [ 43.326964] ? page_writeback_cpu_online+0x10/0x10 [ 43.331895] ? do_raw_spin_unlock+0x171/0x230 [ 43.336379] ? _raw_spin_unlock+0x29/0x40 [ 43.340518] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 43.345772] __filemap_fdatawrite_range+0x27d/0x350 [ 43.350952] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 43.356294] ? file_remove_privs+0x183/0x530 [ 43.360682] filemap_write_and_wait_range+0x46/0xd0 [ 43.365778] generic_file_direct_write+0x389/0x4a0 [ 43.370688] __generic_file_write_iter+0x2d0/0x610 [ 43.375698] generic_file_write_iter+0x3f8/0x730 [ 43.380520] aio_write+0x37f/0x5c0 [ 43.384038] ? mark_held_locks+0xf0/0xf0 [ 43.388087] ? aio_setup_rw.isra.0+0x110/0x110 [ 43.392663] ? lock_downgrade+0x720/0x720 [ 43.396795] ? should_fail+0x142/0x7b0 [ 43.400675] ? lock_downgrade+0x720/0x720 [ 43.404804] ? lock_acquire+0x170/0x3c0 [ 43.408760] ? __might_fault+0xef/0x1d0 [ 43.412714] io_submit_one+0xecd/0x20c0 [ 43.416782] ? lock_downgrade+0x720/0x720 [ 43.420917] ? aio_read+0x420/0x420 [ 43.424532] ? check_preemption_disabled+0x41/0x280 [ 43.429526] __se_sys_io_submit+0x11b/0x4a0 [ 43.433826] ? io_submit_one+0x20c0/0x20c0 [ 43.438040] ? ksys_write+0x1c8/0x2a0 [ 43.441834] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 43.447262] ? trace_hardirqs_off_caller+0x6e/0x210 [ 43.452255] do_syscall_64+0xf9/0x620 [ 43.456046] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 43.461215] RIP: 0033:0x44ab79 [ 43.464386] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 43.483264] RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 43.490969] RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79 [ 43.498477] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000 [ 43.505723] RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032 [ 43.512986] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec [ 43.520239] R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001 executing program [ 43.657594] FAULT_INJECTION: forcing a failure. [ 43.657594] name failslab, interval 1, probability 0, space 0, times 0 [ 43.669662] CPU: 1 PID: 8273 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0 [ 43.677556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.686917] Call Trace: [ 43.689488] dump_stack+0x1fc/0x2ef [ 43.693098] should_fail.cold+0xa/0xf [ 43.696899] ? setup_fault_attr+0x200/0x200 [ 43.701200] __should_failslab+0x115/0x180 [ 43.705510] should_failslab+0x5/0x10 [ 43.709721] kmem_cache_alloc+0x3f/0x370 [ 43.713760] ? mempool_alloc+0x350/0x350 [ 43.717797] mempool_alloc+0x146/0x350 [ 43.721678] ? mempool_resize+0x790/0x790 [ 43.725803] ? deref_stack_reg+0x1d0/0x1d0 [ 43.730041] ? unwind_next_frame+0xeee/0x1400 [ 43.734702] ? deref_stack_reg+0x134/0x1d0 [ 43.738995] bio_alloc_bioset+0x389/0x5e0 [ 43.743315] ? mark_held_locks+0xf0/0xf0 [ 43.747410] ? mark_held_locks+0xf0/0xf0 [ 43.751545] ? bvec_alloc+0x2f0/0x2f0 [ 43.755332] ? unwind_next_frame+0xeee/0x1400 [ 43.759828] mpage_alloc+0x2f/0x260 [ 43.763448] __mpage_writepage+0x102a/0x1570 [ 43.767850] ? page_mapped+0x17e/0x3c0 [ 43.771716] ? clean_buffers+0x290/0x290 [ 43.775758] ? page_mkclean+0x1a5/0x2b0 [ 43.779723] ? lock_downgrade+0x720/0x720 [ 43.783958] ? clear_page_dirty_for_io+0x2c8/0xee0 [ 43.789090] write_cache_pages+0x802/0x12d0 [ 43.793410] ? clean_buffers+0x290/0x290 [ 43.797551] ? clear_page_dirty_for_io+0xee0/0xee0 [ 43.802468] ? fat_add_cluster+0xf0/0xf0 [ 43.806587] ? fat_readpages+0x30/0x30 [ 43.810456] mpage_writepages+0xd1/0x230 [ 43.814509] ? __mpage_writepage+0x1570/0x1570 [ 43.819083] ? fat_add_cluster+0xf0/0xf0 [ 43.823232] ? mark_held_locks+0xf0/0xf0 [ 43.827295] ? mark_held_locks+0xf0/0xf0 [ 43.831349] ? mark_held_locks+0xf0/0xf0 [ 43.835565] do_writepages+0xe5/0x290 [ 43.839348] ? page_writeback_cpu_online+0x10/0x10 [ 43.844352] ? do_raw_spin_unlock+0x171/0x230 [ 43.848831] ? _raw_spin_unlock+0x29/0x40 [ 43.852959] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 43.858217] __filemap_fdatawrite_range+0x27d/0x350 [ 43.863226] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 43.868656] ? file_remove_privs+0x183/0x530 [ 43.873044] filemap_write_and_wait_range+0x46/0xd0 [ 43.878041] generic_file_direct_write+0x389/0x4a0 [ 43.883077] __generic_file_write_iter+0x2d0/0x610 [ 43.887986] generic_file_write_iter+0x3f8/0x730 [ 43.892725] aio_write+0x37f/0x5c0 [ 43.896259] ? mark_held_locks+0xf0/0xf0 [ 43.900326] ? aio_setup_rw.isra.0+0x110/0x110 [ 43.904887] ? lock_downgrade+0x720/0x720 [ 43.909014] ? cache_alloc_refill+0x95/0x340 [ 43.913404] ? lock_downgrade+0x720/0x720 [ 43.917545] ? lock_acquire+0x170/0x3c0 [ 43.921594] ? __might_fault+0xef/0x1d0 [ 43.925561] io_submit_one+0xecd/0x20c0 [ 43.929561] ? lock_downgrade+0x720/0x720 [ 43.933691] ? aio_read+0x420/0x420 [ 43.937306] ? check_preemption_disabled+0x41/0x280 [ 43.942314] __se_sys_io_submit+0x11b/0x4a0 [ 43.946616] ? io_submit_one+0x20c0/0x20c0 [ 43.950832] ? ksys_write+0x1c8/0x2a0 [ 43.954613] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 43.959960] ? trace_hardirqs_off_caller+0x6e/0x210 [ 43.964976] do_syscall_64+0xf9/0x620 [ 43.968758] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 43.973935] RIP: 0033:0x44ab79 [ 43.977135] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 43.996230] RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 44.003929] RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79 [ 44.011239] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000 [ 44.018746] RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032 [ 44.026027] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec [ 44.033281] R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001 executing program [ 44.188599] FAULT_INJECTION: forcing a failure. [ 44.188599] name failslab, interval 1, probability 0, space 0, times 0 [ 44.200240] CPU: 0 PID: 8283 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0 [ 44.208231] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.217752] Call Trace: [ 44.220336] dump_stack+0x1fc/0x2ef [ 44.223943] should_fail.cold+0xa/0xf [ 44.227740] ? setup_fault_attr+0x200/0x200 [ 44.232041] __should_failslab+0x115/0x180 [ 44.236271] should_failslab+0x5/0x10 [ 44.240060] kmem_cache_alloc+0x3f/0x370 [ 44.244096] ? mempool_alloc+0x350/0x350 [ 44.248143] mempool_alloc+0x146/0x350 [ 44.252023] ? mempool_resize+0x790/0x790 [ 44.256150] ? deref_stack_reg+0x1d0/0x1d0 [ 44.260376] ? unwind_next_frame+0xeee/0x1400 [ 44.264847] ? deref_stack_reg+0x134/0x1d0 [ 44.269071] bio_alloc_bioset+0x389/0x5e0 [ 44.273199] ? mark_held_locks+0xf0/0xf0 [ 44.277249] ? mark_held_locks+0xf0/0xf0 [ 44.281287] ? bvec_alloc+0x2f0/0x2f0 [ 44.285152] ? unwind_next_frame+0xeee/0x1400 [ 44.289630] mpage_alloc+0x2f/0x260 [ 44.293236] __mpage_writepage+0x102a/0x1570 [ 44.297622] ? page_mapped+0x17e/0x3c0 [ 44.301498] ? clean_buffers+0x290/0x290 [ 44.305535] ? page_mkclean+0x1a5/0x2b0 [ 44.309485] ? lock_downgrade+0x720/0x720 [ 44.313698] ? clear_page_dirty_for_io+0x2c8/0xee0 [ 44.318758] write_cache_pages+0x802/0x12d0 [ 44.323092] ? clean_buffers+0x290/0x290 [ 44.327156] ? clear_page_dirty_for_io+0xee0/0xee0 [ 44.332083] ? fat_add_cluster+0xf0/0xf0 [ 44.336132] ? fat_readpages+0x30/0x30 [ 44.340064] mpage_writepages+0xd1/0x230 [ 44.344116] ? __mpage_writepage+0x1570/0x1570 [ 44.348736] ? fat_add_cluster+0xf0/0xf0 [ 44.352907] ? mark_held_locks+0xf0/0xf0 [ 44.356970] ? mark_held_locks+0xf0/0xf0 [ 44.361013] ? mark_held_locks+0xf0/0xf0 [ 44.365050] do_writepages+0xe5/0x290 [ 44.368833] ? page_writeback_cpu_online+0x10/0x10 [ 44.373802] ? do_raw_spin_unlock+0x171/0x230 [ 44.378295] ? _raw_spin_unlock+0x29/0x40 [ 44.382619] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 44.387880] __filemap_fdatawrite_range+0x27d/0x350 [ 44.392893] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 44.398348] ? file_remove_privs+0x183/0x530 [ 44.402738] filemap_write_and_wait_range+0x46/0xd0 [ 44.407835] generic_file_direct_write+0x389/0x4a0 [ 44.412760] __generic_file_write_iter+0x2d0/0x610 [ 44.417681] generic_file_write_iter+0x3f8/0x730 [ 44.422505] aio_write+0x37f/0x5c0 [ 44.426042] ? mark_held_locks+0xf0/0xf0 [ 44.430091] ? aio_setup_rw.isra.0+0x110/0x110 [ 44.434652] ? lock_downgrade+0x720/0x720 [ 44.438791] ? should_fail+0x142/0x7b0 [ 44.442668] ? lock_downgrade+0x720/0x720 [ 44.446884] ? lock_acquire+0x170/0x3c0 [ 44.450926] ? __might_fault+0xef/0x1d0 [ 44.454882] io_submit_one+0xecd/0x20c0 [ 44.458913] ? lock_downgrade+0x720/0x720 [ 44.463064] ? aio_read+0x420/0x420 [ 44.466677] ? check_preemption_disabled+0x41/0x280 [ 44.471683] __se_sys_io_submit+0x11b/0x4a0 [ 44.476003] ? io_submit_one+0x20c0/0x20c0 [ 44.480218] ? ksys_write+0x1c8/0x2a0 [ 44.484011] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 44.489351] ? trace_hardirqs_off_caller+0x6e/0x210 [ 44.494349] do_syscall_64+0xf9/0x620 [ 44.498127] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 44.503294] RIP: 0033:0x44ab79 [ 44.506465] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 44.525351] RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 44.533209] RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79 [ 44.540456] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000 [ 44.547791] RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032 [ 44.555047] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec [ 44.562294] R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001 executing program [ 44.758528] FAULT_INJECTION: forcing a failure. [ 44.758528] name failslab, interval 1, probability 0, space 0, times 0 [ 44.769819] CPU: 1 PID: 8290 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0 [ 44.777690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.787027] Call Trace: [ 44.789614] dump_stack+0x1fc/0x2ef [ 44.793239] should_fail.cold+0xa/0xf [ 44.797025] ? setup_fault_attr+0x200/0x200 [ 44.801328] __should_failslab+0x115/0x180 [ 44.805544] should_failslab+0x5/0x10 [ 44.809333] kmem_cache_alloc+0x3f/0x370 [ 44.813374] ? mempool_alloc+0x350/0x350 [ 44.817418] mempool_alloc+0x146/0x350 [ 44.821378] ? mempool_resize+0x790/0x790 [ 44.825504] ? deref_stack_reg+0x1d0/0x1d0 [ 44.829724] ? unwind_next_frame+0xeee/0x1400 [ 44.834202] ? deref_stack_reg+0x134/0x1d0 [ 44.838419] bio_alloc_bioset+0x389/0x5e0 [ 44.842563] ? mark_held_locks+0xf0/0xf0 [ 44.846620] ? mark_held_locks+0xf0/0xf0 [ 44.850750] ? bvec_alloc+0x2f0/0x2f0 [ 44.854529] ? unwind_next_frame+0xeee/0x1400 [ 44.859005] mpage_alloc+0x2f/0x260 [ 44.862614] __mpage_writepage+0x102a/0x1570 [ 44.867002] ? page_mapped+0x17e/0x3c0 [ 44.870876] ? clean_buffers+0x290/0x290 [ 44.875132] ? page_mkclean+0x1a5/0x2b0 [ 44.879200] ? lock_downgrade+0x720/0x720 [ 44.883423] ? clear_page_dirty_for_io+0x2c8/0xee0 [ 44.888385] write_cache_pages+0x802/0x12d0 [ 44.892711] ? clean_buffers+0x290/0x290 [ 44.896841] ? clear_page_dirty_for_io+0xee0/0xee0 [ 44.901754] ? fat_add_cluster+0xf0/0xf0 [ 44.905795] ? fat_readpages+0x30/0x30 [ 44.909682] mpage_writepages+0xd1/0x230 [ 44.913727] ? __mpage_writepage+0x1570/0x1570 [ 44.918286] ? fat_add_cluster+0xf0/0xf0 [ 44.922325] ? mark_held_locks+0xf0/0xf0 [ 44.926363] ? mark_held_locks+0xf0/0xf0 [ 44.930413] ? mark_held_locks+0xf0/0xf0 [ 44.934625] do_writepages+0xe5/0x290 [ 44.938406] ? page_writeback_cpu_online+0x10/0x10 [ 44.943333] ? do_raw_spin_unlock+0x171/0x230 [ 44.947822] ? _raw_spin_unlock+0x29/0x40 [ 44.951951] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 44.957291] __filemap_fdatawrite_range+0x27d/0x350 [ 44.962295] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 44.967726] ? file_remove_privs+0x183/0x530 [ 44.972200] filemap_write_and_wait_range+0x46/0xd0 [ 44.977190] generic_file_direct_write+0x389/0x4a0 [ 44.982100] __generic_file_write_iter+0x2d0/0x610 [ 44.987008] generic_file_write_iter+0x3f8/0x730 [ 44.991752] aio_write+0x37f/0x5c0 [ 44.995270] ? mark_held_locks+0xf0/0xf0 [ 44.999304] ? aio_setup_rw.isra.0+0x110/0x110 [ 45.003864] ? lock_downgrade+0x720/0x720 [ 45.007989] ? should_fail+0x142/0x7b0 [ 45.011855] ? lock_downgrade+0x720/0x720 [ 45.015977] ? lock_acquire+0x170/0x3c0 [ 45.019941] ? __might_fault+0xef/0x1d0 [ 45.023891] io_submit_one+0xecd/0x20c0 [ 45.027854] ? lock_downgrade+0x720/0x720 [ 45.032068] ? aio_read+0x420/0x420 [ 45.035675] ? check_preemption_disabled+0x41/0x280 [ 45.040670] __se_sys_io_submit+0x11b/0x4a0 [ 45.044967] ? io_submit_one+0x20c0/0x20c0 [ 45.049177] ? ksys_write+0x1c8/0x2a0 [ 45.052956] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 45.058308] ? trace_hardirqs_off_caller+0x6e/0x210 [ 45.063303] do_syscall_64+0xf9/0x620 [ 45.067092] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 45.072257] RIP: 0033:0x44ab79 [ 45.075439] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 45.094491] RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 45.102261] RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79 [ 45.109616] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000 [ 45.116881] RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032 [ 45.124128] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec [ 45.131391] R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001 executing program [ 45.289030] FAULT_INJECTION: forcing a failure. [ 45.289030] name failslab, interval 1, probability 0, space 0, times 0 [ 45.300610] CPU: 1 PID: 8298 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0 [ 45.308469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.317800] Call Trace: [ 45.320370] dump_stack+0x1fc/0x2ef [ 45.323974] should_fail.cold+0xa/0xf [ 45.327751] ? setup_fault_attr+0x200/0x200 [ 45.332052] __should_failslab+0x115/0x180 [ 45.336309] should_failslab+0x5/0x10 [ 45.340091] kmem_cache_alloc+0x3f/0x370 [ 45.344149] ? mempool_alloc+0x350/0x350 [ 45.348291] mempool_alloc+0x146/0x350 [ 45.352173] ? mempool_resize+0x790/0x790 [ 45.356319] ? deref_stack_reg+0x1d0/0x1d0 [ 45.360537] ? unwind_next_frame+0xeee/0x1400 [ 45.365018] ? deref_stack_reg+0x134/0x1d0 [ 45.369332] bio_alloc_bioset+0x389/0x5e0 [ 45.373472] ? mark_held_locks+0xf0/0xf0 [ 45.377511] ? mark_held_locks+0xf0/0xf0 [ 45.381550] ? bvec_alloc+0x2f0/0x2f0 [ 45.385336] ? unwind_next_frame+0xeee/0x1400 [ 45.389818] mpage_alloc+0x2f/0x260 [ 45.393530] __mpage_writepage+0x102a/0x1570 [ 45.397918] ? page_mapped+0x17e/0x3c0 [ 45.401811] ? clean_buffers+0x290/0x290 [ 45.405864] ? page_mkclean+0x1a5/0x2b0 [ 45.409817] ? lock_downgrade+0x720/0x720 [ 45.413944] ? clear_page_dirty_for_io+0x2c8/0xee0 [ 45.418855] write_cache_pages+0x802/0x12d0 [ 45.423156] ? clean_buffers+0x290/0x290 [ 45.427194] ? clear_page_dirty_for_io+0xee0/0xee0 [ 45.432108] ? fat_add_cluster+0xf0/0xf0 [ 45.436149] ? fat_readpages+0x30/0x30 [ 45.440012] mpage_writepages+0xd1/0x230 [ 45.444055] ? __mpage_writepage+0x1570/0x1570 [ 45.448624] ? fat_add_cluster+0xf0/0xf0 [ 45.452671] ? mark_held_locks+0xf0/0xf0 [ 45.456715] ? mark_held_locks+0xf0/0xf0 [ 45.460764] ? mark_held_locks+0xf0/0xf0 [ 45.464811] do_writepages+0xe5/0x290 [ 45.468638] ? page_writeback_cpu_online+0x10/0x10 [ 45.473558] ? do_raw_spin_unlock+0x171/0x230 [ 45.478045] ? _raw_spin_unlock+0x29/0x40 [ 45.482179] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 45.487442] __filemap_fdatawrite_range+0x27d/0x350 [ 45.492542] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 45.497889] ? file_remove_privs+0x183/0x530 [ 45.502280] filemap_write_and_wait_range+0x46/0xd0 [ 45.507275] generic_file_direct_write+0x389/0x4a0 [ 45.512291] __generic_file_write_iter+0x2d0/0x610 [ 45.517210] generic_file_write_iter+0x3f8/0x730 [ 45.521950] aio_write+0x37f/0x5c0 [ 45.525472] ? mark_held_locks+0xf0/0xf0 [ 45.529535] ? aio_setup_rw.isra.0+0x110/0x110 [ 45.534102] ? lock_downgrade+0x720/0x720 [ 45.538234] ? should_fail+0x142/0x7b0 [ 45.542104] ? lock_downgrade+0x720/0x720 [ 45.546237] ? lock_acquire+0x170/0x3c0 [ 45.550192] ? __might_fault+0xef/0x1d0 [ 45.554235] io_submit_one+0xecd/0x20c0 [ 45.558194] ? lock_downgrade+0x720/0x720 [ 45.562323] ? aio_read+0x420/0x420 [ 45.565938] ? check_preemption_disabled+0x41/0x280 [ 45.570936] __se_sys_io_submit+0x11b/0x4a0 [ 45.575239] ? io_submit_one+0x20c0/0x20c0 [ 45.579461] ? ksys_write+0x1c8/0x2a0 [ 45.583245] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 45.588600] ? trace_hardirqs_off_caller+0x6e/0x210 [ 45.593632] do_syscall_64+0xf9/0x620 [ 45.597436] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 45.602611] RIP: 0033:0x44ab79 [ 45.605787] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 45.624755] RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 45.632443] RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79 [ 45.639707] RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000 [ 45.646971] RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032 [ 45.654232] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec [ 45.661484] R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001 executing program [ 45.796388] FAULT_INJECTION: forcing a failure. [ 45.796388] name failslab, interval 1, probability 0, space 0, times 0 [ 45.807879] CPU: 1 PID: 8305 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0 [ 45.815763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.825430] Call Trace: [ 45.828003] dump_stack+0x1fc/0x2ef [ 45.831612] should_fail.cold+0xa/0xf [ 45.835400] ? setup_fault_attr+0x200/0x200 [ 45.839794] __should_failslab+0x115/0x180 [ 45.844008] should_failslab+0x5/0x10 [ 45.847807] kmem_cache_alloc+0x3f/0x370 [ 45.851944] ? mempool_alloc+0x350/0x350 [ 45.855980] mempool_alloc+0x146/0x350 [ 45.859861] ? mempool_resize+0x790/0x790 [ 45.863994] ? deref_stack_reg+0x1d0/0x1d0 [ 45.868211] ? unwind_next_frame+0xeee/0x1400 [ 45.872707] ? deref_stack_reg+0x134/0x1d0 [ 45.876924] bio_alloc_bioset+0x389/0x5e0 [ 45.881051] ? mark_held_locks+0xf0/0xf0 [ 45.885553] ? mark_held_locks+0xf0/0xf0 [ 45.889685] ? bvec_alloc+0x2f0/0x2f0 [ 45.893488] ? unwind_next_frame+0xeee/0x1400 [ 45.897965] mpage_alloc+0x2f/0x260 [ 45.901575] __mpage_writepage+0x102a/0x1570 [ 45.905975] ? page_mapped+0x17e/0x3c0 [ 45.909842] ? clean_buffers+0x290/0x290 [ 45.913883] ? page_mkclean+0x1a5/0x2b0 [ 45.917839] ? lock_downgrade+0x720/0x720 [ 45.921989] ? clear_page_dirty_for_io+0x2c8/0xee0 [ 45.926898] write_cache_pages+0x802/0x12d0 [ 45.931197] ? clean_buffers+0x290/0x290 [ 45.935238] ? clear_page_dirty_for_io+0xee0/0xee0 [ 45.940163] ? fat_add_cluster+0xf0/0xf0 [ 45.944212] ? fat_readpages+0x30/0x30 [ 45.948073] mpage_writepages+0xd1/0x230 [ 45.952112] ? __mpage_writepage+0x1570/0x1570 [ 45.956671] ? fat_add_cluster+0xf0/0xf0 [ 45.960713] ? mark_held_locks+0xf0/0xf0 [ 45.964766] ? mark_held_locks+0xf0/0xf0 [ 45.968806] ? mark_held_locks+0xf0/0xf0 [ 45.972867] do_writepages+0xe5/0x290 [ 45.976657] ? page_writeback_cpu_online+0x10/0x10 [ 45.981565] ? do_raw_spin_unlock+0x171/0x230 [ 45.986042] ? _raw_spin_unlock+0x29/0x40 [ 45.990183] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 45.995450] __filemap_fdatawrite_range+0x27d/0x350 [ 46.000460] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 46.005802] ? file_remove_privs+0x183/0x530 [ 46.010232] filemap_write_and_wait_range+0x46/0xd0 [ 46.015238] generic_file_direct_write+0x389/0x4a0 [ 46.020147] __generic_file_write_iter+0x2d0/0x610 [ 46.025157] generic_file_write_iter+0x3f8/0x730 [ 46.029912] aio_write+0x37f/0x5c0 [ 46.033530] ? mark_held_locks+0xf0/0xf0 [ 46.037578] ? aio_setup_rw.isra.0+0x110/0x110 [ 46.042138] ? lock_downgrade+0x720/0x720