2] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1601.900464] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1601.907711] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000004 [ 1601.919438] CPU: 0 PID: 9758 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1601.927319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1601.936662] Call Trace: [ 1601.939244] dump_stack+0x1b2/0x281 [ 1601.942871] should_fail.cold+0x10a/0x149 [ 1601.947022] ? sync_fs_one_sb+0xb1/0xe0 [ 1601.951007] should_failslab+0xd6/0x130 [ 1601.954984] kmem_cache_alloc_node+0x54/0x410 [ 1601.959473] create_task_io_context+0x2a/0x3c0 [ 1601.964055] generic_make_request_checks+0x1350/0x19f0 [ 1601.969329] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1601.973732] ? flush_workqueue+0x129/0x1310 [ 1601.978052] ? flush_workqueue+0x49b/0x1310 [ 1601.982367] generic_make_request+0x67/0x850 [ 1601.986768] ? mempool_alloc+0x10e/0x2d0 [ 1601.990823] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1601.996293] ? blk_queue_exit+0x1d0/0x1d0 [ 1602.000428] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1602.005424] ? kmem_cache_alloc+0x35f/0x3c0 [ 1602.009728] submit_bio+0x234/0x390 [ 1602.013334] ? generic_make_request+0x850/0x850 [ 1602.017980] ? __lockdep_init_map+0x100/0x560 [ 1602.022466] ? __lockdep_init_map+0x100/0x560 [ 1602.026943] submit_bio_wait+0xe8/0x140 [ 1602.030901] ? submit_bio_wait_endio+0xb0/0xb0 [ 1602.035467] blkdev_issue_flush+0x218/0x320 [ 1602.039793] ext4_sync_fs+0x46f/0x7e0 [ 1602.043587] ? bdev_try_to_free_page+0x150/0x150 [ 1602.048318] ? iterate_supers+0xda/0x490 [ 1602.052375] ? bdev_try_to_free_page+0x150/0x150 [ 1602.057106] ? vfs_fsync_range+0x260/0x260 [ 1602.061333] sync_fs_one_sb+0xb1/0xe0 [ 1602.065109] iterate_supers+0x124/0x490 [ 1602.069061] sys_sync+0x9a/0x130 [ 1602.072403] ? vfs_fsync+0x210/0x210 [ 1602.076101] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1602.081091] ? vfs_fsync+0x210/0x210 [ 1602.084789] do_syscall_64+0x1d5/0x640 executing program [ 1602.088664] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1602.093829] RIP: 0033:0x7f3c6be997c9 [ 1602.097515] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1602.105201] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1602.112449] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1602.119695] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1602.127037] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1602.134298] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000004 [ 1602.177985] FAULT_INJECTION: forcing a failure. [ 1602.177985] name failslab, interval 1, probability 0, space 0, times 0 [ 1602.189595] CPU: 1 PID: 9768 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1602.197488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1602.206831] Call Trace: [ 1602.209416] dump_stack+0x1b2/0x281 [ 1602.213042] should_fail.cold+0x10a/0x149 [ 1602.217198] ? sync_fs_one_sb+0xb1/0xe0 [ 1602.221168] should_failslab+0xd6/0x130 executing program [ 1602.225139] kmem_cache_alloc_node+0x54/0x410 [ 1602.229637] create_task_io_context+0x2a/0x3c0 [ 1602.234221] generic_make_request_checks+0x1350/0x19f0 [ 1602.239499] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1602.243904] ? flush_workqueue+0x129/0x1310 [ 1602.248218] ? flush_workqueue+0x49b/0x1310 [ 1602.252536] generic_make_request+0x67/0x850 [ 1602.256939] ? mempool_alloc+0x10e/0x2d0 [ 1602.260998] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1602.261077] FAULT_INJECTION: forcing a failure. [ 1602.261077] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 1602.266438] ? blk_queue_exit+0x1d0/0x1d0 [ 1602.282415] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1602.287413] ? kmem_cache_alloc+0x35f/0x3c0 [ 1602.291725] submit_bio+0x234/0x390 [ 1602.295353] ? generic_make_request+0x850/0x850 [ 1602.300004] ? __lockdep_init_map+0x100/0x560 [ 1602.304492] ? __lockdep_init_map+0x100/0x560 [ 1602.308970] submit_bio_wait+0xe8/0x140 [ 1602.312922] ? submit_bio_wait_endio+0xb0/0xb0 [ 1602.317511] blkdev_issue_flush+0x218/0x320 [ 1602.321813] ext4_sync_fs+0x46f/0x7e0 [ 1602.325599] ? bdev_try_to_free_page+0x150/0x150 [ 1602.330331] ? iterate_supers+0xda/0x490 [ 1602.334372] ? bdev_try_to_free_page+0x150/0x150 [ 1602.339110] ? vfs_fsync_range+0x260/0x260 [ 1602.343323] sync_fs_one_sb+0xb1/0xe0 [ 1602.347100] iterate_supers+0x124/0x490 [ 1602.351054] sys_sync+0x9a/0x130 [ 1602.354414] ? vfs_fsync+0x210/0x210 [ 1602.358110] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1602.363103] ? vfs_fsync+0x210/0x210 [ 1602.366797] do_syscall_64+0x1d5/0x640 [ 1602.370668] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1602.375836] RIP: 0033:0x7f3c6be997c9 [ 1602.379525] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1602.387211] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1602.394457] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1602.401706] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1602.408952] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1602.416199] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000004 [ 1602.423458] CPU: 0 PID: 9769 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1602.431332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1602.440675] Call Trace: [ 1602.443255] dump_stack+0x1b2/0x281 [ 1602.446877] should_fail.cold+0x10a/0x149 [ 1602.451005] __alloc_pages_nodemask+0x22c/0x2720 [ 1602.455744] ? unwind_next_frame+0xe54/0x17d0 [ 1602.460216] ? deref_stack_reg+0x124/0x1a0 [ 1602.464430] ? is_bpf_text_address+0x91/0x150 [ 1602.468903] ? lock_acquire+0x170/0x3f0 [ 1602.472854] ? lock_downgrade+0x740/0x740 [ 1602.476977] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1602.481802] ? __kernel_text_address+0x9/0x30 [ 1602.486272] ? unwind_get_return_address+0x51/0x90 [ 1602.491180] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1602.496537] ? __save_stack_trace+0xa0/0x160 [ 1602.500937] ? register_lock_class+0x1f3/0x1180 [ 1602.505588] ? depot_save_stack+0x10d/0x3f0 [ 1602.509905] cache_grow_begin+0x91/0x700 [ 1602.513945] ? kasan_kmalloc+0x139/0x160 [ 1602.517984] ? check_preemption_disabled+0x35/0x240 [ 1602.522977] cache_alloc_refill+0x273/0x350 [ 1602.527280] kmem_cache_alloc_node+0x3f5/0x410 [ 1602.531842] create_task_io_context+0x2a/0x3c0 [ 1602.536403] generic_make_request_checks+0x1350/0x19f0 [ 1602.541661] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1602.546049] ? flush_workqueue+0x129/0x1310 [ 1602.550349] ? flush_workqueue+0x49b/0x1310 [ 1602.554652] generic_make_request+0x67/0x850 [ 1602.559039] ? mempool_alloc+0x10e/0x2d0 [ 1602.563085] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1602.568515] ? blk_queue_exit+0x1d0/0x1d0 [ 1602.572651] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1602.577643] ? kmem_cache_alloc+0x35f/0x3c0 [ 1602.581946] submit_bio+0x234/0x390 [ 1602.585554] ? generic_make_request+0x850/0x850 [ 1602.590199] ? __lockdep_init_map+0x100/0x560 [ 1602.594670] ? __lockdep_init_map+0x100/0x560 [ 1602.599148] submit_bio_wait+0xe8/0x140 [ 1602.603101] ? submit_bio_wait_endio+0xb0/0xb0 [ 1602.607670] blkdev_issue_flush+0x218/0x320 [ 1602.611971] ext4_sync_fs+0x46f/0x7e0 [ 1602.615751] ? bdev_try_to_free_page+0x150/0x150 [ 1602.620482] ? iterate_supers+0xda/0x490 [ 1602.624521] ? bdev_try_to_free_page+0x150/0x150 [ 1602.629267] ? vfs_fsync_range+0x260/0x260 [ 1602.633483] sync_fs_one_sb+0xb1/0xe0 [ 1602.637262] iterate_supers+0x124/0x490 [ 1602.641216] sys_sync+0x9a/0x130 [ 1602.644561] ? vfs_fsync+0x210/0x210 [ 1602.648253] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1602.653247] ? vfs_fsync+0x210/0x210 [ 1602.656939] do_syscall_64+0x1d5/0x640 [ 1602.660810] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1602.665980] RIP: 0033:0x7f3c6be997c9 [ 1602.669672] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 executing program [ 1602.677356] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1602.684603] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1602.691855] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1602.699278] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1602.706523] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000000c executing program executing program [ 1602.895879] FAULT_INJECTION: forcing a failure. [ 1602.895879] name failslab, interval 1, probability 0, space 0, times 0 [ 1602.895928] FAULT_INJECTION: forcing a failure. [ 1602.895928] name failslab, interval 1, probability 0, space 0, times 0 [ 1602.915084] CPU: 1 PID: 9789 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1602.926344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1602.935688] Call Trace: [ 1602.938258] dump_stack+0x1b2/0x281 [ 1602.941870] should_fail.cold+0x10a/0x149 [ 1602.946011] ? sync_fs_one_sb+0xb1/0xe0 [ 1602.949979] should_failslab+0xd6/0x130 [ 1602.953944] kmem_cache_alloc_node+0x54/0x410 [ 1602.958434] create_task_io_context+0x2a/0x3c0 [ 1602.963003] generic_make_request_checks+0x1350/0x19f0 [ 1602.968272] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1602.972667] ? flush_workqueue+0x129/0x1310 [ 1602.976970] ? flush_workqueue+0x49b/0x1310 [ 1602.981272] generic_make_request+0x67/0x850 [ 1602.985679] ? mempool_alloc+0x10e/0x2d0 [ 1602.989719] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1602.995148] ? blk_queue_exit+0x1d0/0x1d0 [ 1602.999276] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1603.004275] ? kmem_cache_alloc+0x35f/0x3c0 [ 1603.008584] submit_bio+0x234/0x390 [ 1603.012194] ? generic_make_request+0x850/0x850 [ 1603.016847] ? __lockdep_init_map+0x100/0x560 [ 1603.021324] ? __lockdep_init_map+0x100/0x560 [ 1603.025808] submit_bio_wait+0xe8/0x140 [ 1603.029775] ? submit_bio_wait_endio+0xb0/0xb0 [ 1603.034373] blkdev_issue_flush+0x218/0x320 [ 1603.038691] ext4_sync_fs+0x46f/0x7e0 [ 1603.042481] ? bdev_try_to_free_page+0x150/0x150 [ 1603.047224] ? iterate_supers+0xda/0x490 [ 1603.051273] ? bdev_try_to_free_page+0x150/0x150 [ 1603.056026] ? vfs_fsync_range+0x260/0x260 [ 1603.060257] sync_fs_one_sb+0xb1/0xe0 [ 1603.064051] iterate_supers+0x124/0x490 [ 1603.068024] sys_sync+0x9a/0x130 [ 1603.071384] ? vfs_fsync+0x210/0x210 [ 1603.075094] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1603.080098] ? vfs_fsync+0x210/0x210 [ 1603.083802] do_syscall_64+0x1d5/0x640 [ 1603.087690] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1603.092871] RIP: 0033:0x7f3c6be997c9 [ 1603.096574] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1603.104275] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1603.111532] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1603.118784] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1603.126034] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1603.133283] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000000d [ 1603.140562] CPU: 0 PID: 9781 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1603.148440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1603.158130] Call Trace: [ 1603.160712] dump_stack+0x1b2/0x281 [ 1603.164337] should_fail.cold+0x10a/0x149 [ 1603.168478] ? sync_fs_one_sb+0xb1/0xe0 [ 1603.172448] should_failslab+0xd6/0x130 [ 1603.176420] kmem_cache_alloc_node+0x54/0x410 [ 1603.180918] create_task_io_context+0x2a/0x3c0 [ 1603.185497] generic_make_request_checks+0x1350/0x19f0 [ 1603.190773] ? blk_rq_prep_clone+0x6c0/0x6c0 executing program [ 1603.195181] ? flush_workqueue+0x129/0x1310 [ 1603.199500] ? flush_workqueue+0x49b/0x1310 [ 1603.203819] generic_make_request+0x67/0x850 [ 1603.207225] FAULT_INJECTION: forcing a failure. [ 1603.207225] name failslab, interval 1, probability 0, space 0, times 0 [ 1603.208217] ? mempool_alloc+0x10e/0x2d0 [ 1603.208227] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1603.208239] ? blk_queue_exit+0x1d0/0x1d0 [ 1603.219796] FAULT_INJECTION: forcing a failure. [ 1603.219796] name failslab, interval 1, probability 0, space 0, times 0 [ 1603.223438] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1603.223448] ? kmem_cache_alloc+0x35f/0x3c0 [ 1603.223460] submit_bio+0x234/0x390 [ 1603.223468] ? generic_make_request+0x850/0x850 [ 1603.223475] ? __lockdep_init_map+0x100/0x560 [ 1603.223483] ? __lockdep_init_map+0x100/0x560 [ 1603.270660] submit_bio_wait+0xe8/0x140 [ 1603.274621] ? submit_bio_wait_endio+0xb0/0xb0 [ 1603.279195] blkdev_issue_flush+0x218/0x320 [ 1603.283500] ext4_sync_fs+0x46f/0x7e0 [ 1603.287283] ? bdev_try_to_free_page+0x150/0x150 [ 1603.292039] ? iterate_supers+0xda/0x490 [ 1603.296084] ? bdev_try_to_free_page+0x150/0x150 [ 1603.300818] ? vfs_fsync_range+0x260/0x260 [ 1603.305032] sync_fs_one_sb+0xb1/0xe0 [ 1603.308813] iterate_supers+0x124/0x490 [ 1603.312783] sys_sync+0x9a/0x130 [ 1603.316127] ? vfs_fsync+0x210/0x210 [ 1603.319825] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1603.324821] ? vfs_fsync+0x210/0x210 [ 1603.328516] do_syscall_64+0x1d5/0x640 [ 1603.332402] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1603.337571] RIP: 0033:0x7f3c6be997c9 [ 1603.341259] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1603.348947] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1603.356196] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1603.363444] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1603.370690] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1603.377938] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000006 [ 1603.385199] CPU: 1 PID: 9796 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1603.393085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1603.402416] Call Trace: [ 1603.404987] dump_stack+0x1b2/0x281 [ 1603.408597] should_fail.cold+0x10a/0x149 [ 1603.412725] ? sync_fs_one_sb+0xb1/0xe0 [ 1603.416682] should_failslab+0xd6/0x130 [ 1603.420633] kmem_cache_alloc_node+0x54/0x410 [ 1603.425108] create_task_io_context+0x2a/0x3c0 [ 1603.429667] generic_make_request_checks+0x1350/0x19f0 [ 1603.434922] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1603.439307] ? flush_workqueue+0x129/0x1310 [ 1603.443607] ? flush_workqueue+0x49b/0x1310 [ 1603.447908] generic_make_request+0x67/0x850 [ 1603.452297] ? mempool_alloc+0x10e/0x2d0 [ 1603.456336] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1603.461778] ? blk_queue_exit+0x1d0/0x1d0 [ 1603.465905] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1603.470897] ? kmem_cache_alloc+0x35f/0x3c0 [ 1603.475196] submit_bio+0x234/0x390 [ 1603.478799] ? generic_make_request+0x850/0x850 [ 1603.483445] ? __lockdep_init_map+0x100/0x560 [ 1603.487917] ? __lockdep_init_map+0x100/0x560 [ 1603.492392] submit_bio_wait+0xe8/0x140 [ 1603.496347] ? submit_bio_wait_endio+0xb0/0xb0 [ 1603.500939] blkdev_issue_flush+0x218/0x320 [ 1603.505239] ext4_sync_fs+0x46f/0x7e0 [ 1603.509031] ? bdev_try_to_free_page+0x150/0x150 [ 1603.513766] ? iterate_supers+0xda/0x490 [ 1603.517806] ? bdev_try_to_free_page+0x150/0x150 [ 1603.522540] ? vfs_fsync_range+0x260/0x260 [ 1603.526752] sync_fs_one_sb+0xb1/0xe0 [ 1603.530529] iterate_supers+0x124/0x490 [ 1603.534483] sys_sync+0x9a/0x130 [ 1603.537824] ? vfs_fsync+0x210/0x210 [ 1603.541515] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1603.546505] ? vfs_fsync+0x210/0x210 [ 1603.550197] do_syscall_64+0x1d5/0x640 [ 1603.554064] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1603.559243] RIP: 0033:0x7f3c6be997c9 [ 1603.563025] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1603.570708] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1603.577954] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1603.585199] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 executing program [ 1603.592447] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1603.599694] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000005 [ 1603.627026] CPU: 1 PID: 9800 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1603.634917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1603.644262] Call Trace: [ 1603.646844] dump_stack+0x1b2/0x281 [ 1603.650466] should_fail.cold+0x10a/0x149 [ 1603.654610] should_failslab+0xd6/0x130 [ 1603.658583] kmem_cache_alloc+0x28e/0x3c0 [ 1603.662729] start_transaction+0x27c/0xf30 [ 1603.666966] ? vfs_fsync_range+0x260/0x260 [ 1603.671197] btrfs_attach_transaction_barrier+0x22/0x80 [ 1603.676556] btrfs_sync_fs+0xcd/0x430 [ 1603.680351] ? btrfs_freeze+0xb0/0xb0 [ 1603.684143] ? vfs_fsync_range+0x260/0x260 [ 1603.688372] sync_fs_one_sb+0xb1/0xe0 [ 1603.692171] iterate_supers+0x124/0x490 [ 1603.696145] sys_sync+0x9a/0x130 [ 1603.699505] ? vfs_fsync+0x210/0x210 [ 1603.703214] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1603.708219] ? vfs_fsync+0x210/0x210 [ 1603.711922] do_syscall_64+0x1d5/0x640 [ 1603.715805] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1603.720982] RIP: 0033:0x7f3c6be997c9 [ 1603.724686] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1603.732386] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1603.739645] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 executing program [ 1603.746893] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1603.754136] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1603.761410] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000000e [ 1603.774318] FAULT_INJECTION: forcing a failure. [ 1603.774318] name failslab, interval 1, probability 0, space 0, times 0 [ 1603.788002] CPU: 1 PID: 9806 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1603.788627] FAULT_INJECTION: forcing a failure. [ 1603.788627] name failslab, interval 1, probability 0, space 0, times 0 [ 1603.795874] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1603.795878] Call Trace: [ 1603.795890] dump_stack+0x1b2/0x281 [ 1603.795903] should_fail.cold+0x10a/0x149 [ 1603.795914] ? sync_fs_one_sb+0xb1/0xe0 [ 1603.795924] should_failslab+0xd6/0x130 [ 1603.795934] kmem_cache_alloc_node+0x54/0x410 [ 1603.795945] create_task_io_context+0x2a/0x3c0 [ 1603.795954] generic_make_request_checks+0x1350/0x19f0 [ 1603.795965] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1603.795974] ? flush_workqueue+0x129/0x1310 [ 1603.795982] ? flush_workqueue+0x49b/0x1310 [ 1603.795992] generic_make_request+0x67/0x850 [ 1603.796001] ? mempool_alloc+0x10e/0x2d0 [ 1603.796010] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1603.796017] ? blk_queue_exit+0x1d0/0x1d0 [ 1603.796025] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1603.796033] ? kmem_cache_alloc+0x35f/0x3c0 [ 1603.796044] submit_bio+0x234/0x390 [ 1603.796053] ? generic_make_request+0x850/0x850 [ 1603.796061] ? __lockdep_init_map+0x100/0x560 [ 1603.796069] ? __lockdep_init_map+0x100/0x560 [ 1603.796081] submit_bio_wait+0xe8/0x140 [ 1603.796088] ? submit_bio_wait_endio+0xb0/0xb0 [ 1603.796104] blkdev_issue_flush+0x218/0x320 [ 1603.796114] ext4_sync_fs+0x46f/0x7e0 [ 1603.796123] ? bdev_try_to_free_page+0x150/0x150 [ 1603.796129] ? iterate_supers+0xda/0x490 [ 1603.796138] ? bdev_try_to_free_page+0x150/0x150 [ 1603.796144] ? vfs_fsync_range+0x260/0x260 [ 1603.796150] sync_fs_one_sb+0xb1/0xe0 [ 1603.796157] iterate_supers+0x124/0x490 [ 1603.796166] sys_sync+0x9a/0x130 [ 1603.796173] ? vfs_fsync+0x210/0x210 [ 1603.796183] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1603.796189] ? vfs_fsync+0x210/0x210 [ 1603.796197] do_syscall_64+0x1d5/0x640 [ 1603.796209] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1603.796215] RIP: 0033:0x7f3c6be997c9 [ 1603.796219] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1603.796227] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1603.796231] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 executing program [ 1603.796239] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1604.006500] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1604.013746] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000005 [ 1604.021008] CPU: 0 PID: 9804 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1604.028887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1604.038224] Call Trace: [ 1604.040794] dump_stack+0x1b2/0x281 [ 1604.044428] should_fail.cold+0x10a/0x149 [ 1604.048554] ? sync_fs_one_sb+0xb1/0xe0 [ 1604.052516] should_failslab+0xd6/0x130 [ 1604.056486] kmem_cache_alloc_node+0x54/0x410 [ 1604.060961] create_task_io_context+0x2a/0x3c0 [ 1604.065524] generic_make_request_checks+0x1350/0x19f0 [ 1604.070781] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1604.075165] ? flush_workqueue+0x129/0x1310 [ 1604.079463] ? flush_workqueue+0x49b/0x1310 [ 1604.083766] generic_make_request+0x67/0x850 [ 1604.088151] ? mempool_alloc+0x10e/0x2d0 [ 1604.092191] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1604.097618] ? blk_queue_exit+0x1d0/0x1d0 [ 1604.101743] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1604.106739] ? kmem_cache_alloc+0x35f/0x3c0 [ 1604.111040] submit_bio+0x234/0x390 [ 1604.114643] ? generic_make_request+0x850/0x850 [ 1604.119290] ? __lockdep_init_map+0x100/0x560 [ 1604.123765] ? __lockdep_init_map+0x100/0x560 [ 1604.128240] submit_bio_wait+0xe8/0x140 [ 1604.132191] ? submit_bio_wait_endio+0xb0/0xb0 [ 1604.136756] blkdev_issue_flush+0x218/0x320 [ 1604.141058] ext4_sync_fs+0x46f/0x7e0 [ 1604.144839] ? bdev_try_to_free_page+0x150/0x150 [ 1604.149575] ? iterate_supers+0xda/0x490 [ 1604.153615] ? bdev_try_to_free_page+0x150/0x150 [ 1604.158348] ? vfs_fsync_range+0x260/0x260 [ 1604.162570] sync_fs_one_sb+0xb1/0xe0 [ 1604.166350] iterate_supers+0x124/0x490 [ 1604.170307] sys_sync+0x9a/0x130 [ 1604.173652] ? vfs_fsync+0x210/0x210 [ 1604.177346] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1604.182340] ? vfs_fsync+0x210/0x210 [ 1604.186035] do_syscall_64+0x1d5/0x640 [ 1604.189901] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1604.195069] RIP: 0033:0x7f3c6be997c9 executing program [ 1604.198771] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1604.206460] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1604.213712] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1604.220962] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1604.228223] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1604.235478] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000005 [ 1604.382461] FAULT_INJECTION: forcing a failure. [ 1604.382461] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 1604.382608] FAULT_INJECTION: forcing a failure. [ 1604.382608] name failslab, interval 1, probability 0, space 0, times 0 [ 1604.394367] CPU: 0 PID: 9811 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1604.394373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1604.394375] Call Trace: [ 1604.394388] dump_stack+0x1b2/0x281 [ 1604.394399] should_fail.cold+0x10a/0x149 [ 1604.394409] __alloc_pages_nodemask+0x22c/0x2720 [ 1604.394419] ? static_obj+0x50/0x50 [ 1604.394430] ? __lock_acquire+0x5fc/0x3f20 [ 1604.394439] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1604.394450] ? trace_hardirqs_on+0x10/0x10 [ 1604.394458] ? trace_hardirqs_on+0x10/0x10 [ 1604.394464] ? lock_acquire+0x170/0x3f0 [ 1604.394473] ? flush_workqueue+0x129/0x1310 [ 1604.394486] cache_grow_begin+0x91/0x700 [ 1604.394493] ? flush_workqueue+0x49b/0x1310 [ 1604.394501] ? check_preemption_disabled+0x35/0x240 [ 1604.394510] cache_alloc_refill+0x273/0x350 [ 1604.394521] kmem_cache_alloc+0x333/0x3c0 [ 1604.394531] ? mempool_free+0x1d0/0x1d0 [ 1604.394540] mempool_alloc+0x10e/0x2d0 [ 1604.496723] ? remove_element.isra.0+0x1b0/0x1b0 [ 1604.501460] ? flush_workqueue+0x40e/0x1310 [ 1604.505762] ? check_preemption_disabled+0x35/0x240 [ 1604.510761] bio_alloc_bioset+0x41b/0x830 [ 1604.514890] ? bvec_alloc+0x2d0/0x2d0 [ 1604.518674] blkdev_issue_flush+0xeb/0x320 [ 1604.522890] ext4_sync_fs+0x46f/0x7e0 [ 1604.526674] ? bdev_try_to_free_page+0x150/0x150 [ 1604.531406] ? iterate_supers+0xda/0x490 [ 1604.535450] ? bdev_try_to_free_page+0x150/0x150 [ 1604.540186] ? vfs_fsync_range+0x260/0x260 [ 1604.544403] sync_fs_one_sb+0xb1/0xe0 [ 1604.548181] iterate_supers+0x124/0x490 [ 1604.552309] sys_sync+0x9a/0x130 [ 1604.555656] ? vfs_fsync+0x210/0x210 [ 1604.559366] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1604.564362] ? vfs_fsync+0x210/0x210 [ 1604.568069] do_syscall_64+0x1d5/0x640 [ 1604.571940] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1604.577108] RIP: 0033:0x7f3c6be997c9 [ 1604.580796] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1604.588483] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1604.595731] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1604.602981] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1604.610230] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1604.617478] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000000f [ 1604.624739] CPU: 1 PID: 9822 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1604.632612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1604.642724] Call Trace: [ 1604.645295] dump_stack+0x1b2/0x281 [ 1604.648913] should_fail.cold+0x10a/0x149 [ 1604.653043] ? sync_fs_one_sb+0xb1/0xe0 [ 1604.657001] should_failslab+0xd6/0x130 [ 1604.660955] kmem_cache_alloc_node+0x54/0x410 [ 1604.665437] create_task_io_context+0x2a/0x3c0 [ 1604.669999] generic_make_request_checks+0x1350/0x19f0 [ 1604.675257] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1604.679642] ? flush_workqueue+0x129/0x1310 [ 1604.683940] ? flush_workqueue+0x49b/0x1310 [ 1604.688251] generic_make_request+0x67/0x850 [ 1604.692636] ? mempool_alloc+0x10e/0x2d0 [ 1604.696674] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1604.702099] ? blk_queue_exit+0x1d0/0x1d0 [ 1604.706227] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1604.711222] ? kmem_cache_alloc+0x35f/0x3c0 [ 1604.715524] submit_bio+0x234/0x390 [ 1604.719130] ? generic_make_request+0x850/0x850 [ 1604.723775] ? __lockdep_init_map+0x100/0x560 [ 1604.728262] ? __lockdep_init_map+0x100/0x560 [ 1604.732738] submit_bio_wait+0xe8/0x140 [ 1604.736691] ? submit_bio_wait_endio+0xb0/0xb0 [ 1604.741279] blkdev_issue_flush+0x218/0x320 [ 1604.745578] ext4_sync_fs+0x46f/0x7e0 [ 1604.749382] ? bdev_try_to_free_page+0x150/0x150 [ 1604.754122] ? iterate_supers+0xda/0x490 [ 1604.758162] ? bdev_try_to_free_page+0x150/0x150 [ 1604.762893] ? vfs_fsync_range+0x260/0x260 [ 1604.767105] sync_fs_one_sb+0xb1/0xe0 [ 1604.770882] iterate_supers+0x124/0x490 [ 1604.774834] sys_sync+0x9a/0x130 [ 1604.778177] ? vfs_fsync+0x210/0x210 [ 1604.781871] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1604.786863] ? vfs_fsync+0x210/0x210 [ 1604.790558] do_syscall_64+0x1d5/0x640 [ 1604.794428] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1604.799596] RIP: 0033:0x7f3c6be997c9 [ 1604.803282] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1604.810967] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1604.818213] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1604.825475] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 executing program [ 1604.832722] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1604.839968] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000005 executing program executing program executing program [ 1604.911371] FAULT_INJECTION: forcing a failure. [ 1604.911371] name failslab, interval 1, probability 0, space 0, times 0 [ 1604.920862] FAULT_INJECTION: forcing a failure. [ 1604.920862] name failslab, interval 1, probability 0, space 0, times 0 [ 1604.934880] CPU: 1 PID: 9839 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1604.942764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1604.952111] Call Trace: [ 1604.954693] dump_stack+0x1b2/0x281 [ 1604.958308] should_fail.cold+0x10a/0x149 [ 1604.962438] ? sync_fs_one_sb+0xb1/0xe0 [ 1604.966416] should_failslab+0xd6/0x130 [ 1604.970396] kmem_cache_alloc_node+0x54/0x410 [ 1604.974887] create_task_io_context+0x2a/0x3c0 [ 1604.979452] generic_make_request_checks+0x1350/0x19f0 [ 1604.984715] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1604.989464] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1604.993871] ? retint_kernel+0x2d/0x2d [ 1604.997755] generic_make_request+0x67/0x850 [ 1605.002157] ? mempool_alloc+0x10e/0x2d0 [ 1605.006294] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1605.011752] ? blk_queue_exit+0x1d0/0x1d0 [ 1605.015891] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1605.020896] ? kmem_cache_alloc+0x35f/0x3c0 [ 1605.025206] submit_bio+0x234/0x390 [ 1605.028839] ? generic_make_request+0x850/0x850 [ 1605.033497] ? __lockdep_init_map+0x100/0x560 [ 1605.037981] ? __lockdep_init_map+0x100/0x560 [ 1605.042480] submit_bio_wait+0xe8/0x140 [ 1605.046450] ? submit_bio_wait_endio+0xb0/0xb0 [ 1605.051032] blkdev_issue_flush+0x218/0x320 [ 1605.055350] ext4_sync_fs+0x46f/0x7e0 [ 1605.059146] ? bdev_try_to_free_page+0x150/0x150 [ 1605.063891] ? iterate_supers+0xda/0x490 [ 1605.068199] ? bdev_try_to_free_page+0x150/0x150 [ 1605.072939] ? vfs_fsync_range+0x260/0x260 [ 1605.077170] sync_fs_one_sb+0xb1/0xe0 [ 1605.080963] iterate_supers+0x124/0x490 [ 1605.084931] sys_sync+0x9a/0x130 [ 1605.088288] ? vfs_fsync+0x210/0x210 [ 1605.092031] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1605.097026] ? vfs_fsync+0x210/0x210 [ 1605.100719] do_syscall_64+0x1d5/0x640 [ 1605.104595] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1605.109790] RIP: 0033:0x7f3c6be997c9 [ 1605.113482] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1605.121168] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1605.128417] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1605.135665] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1605.142917] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1605.150170] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000010 [ 1605.157434] CPU: 0 PID: 9837 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1605.165309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1605.174651] Call Trace: [ 1605.177237] dump_stack+0x1b2/0x281 [ 1605.180859] should_fail.cold+0x10a/0x149 [ 1605.185037] ? sync_fs_one_sb+0xb1/0xe0 [ 1605.189008] should_failslab+0xd6/0x130 [ 1605.192980] kmem_cache_alloc_node+0x54/0x410 [ 1605.197470] create_task_io_context+0x2a/0x3c0 [ 1605.202048] generic_make_request_checks+0x1350/0x19f0 [ 1605.207322] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1605.211726] ? flush_workqueue+0x129/0x1310 [ 1605.216041] ? flush_workqueue+0x49b/0x1310 [ 1605.220357] generic_make_request+0x67/0x850 [ 1605.224756] ? mempool_alloc+0x10e/0x2d0 [ 1605.228817] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1605.234269] ? blk_queue_exit+0x1d0/0x1d0 [ 1605.238501] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1605.243520] ? kmem_cache_alloc+0x35f/0x3c0 [ 1605.247826] submit_bio+0x234/0x390 [ 1605.251434] ? generic_make_request+0x850/0x850 [ 1605.256087] ? __lockdep_init_map+0x100/0x560 [ 1605.260562] ? __lockdep_init_map+0x100/0x560 [ 1605.265033] submit_bio_wait+0xe8/0x140 [ 1605.268985] ? submit_bio_wait_endio+0xb0/0xb0 [ 1605.273546] blkdev_issue_flush+0x218/0x320 [ 1605.277849] ext4_sync_fs+0x46f/0x7e0 [ 1605.281627] ? bdev_try_to_free_page+0x150/0x150 [ 1605.286357] ? iterate_supers+0xda/0x490 [ 1605.290404] ? bdev_try_to_free_page+0x150/0x150 [ 1605.295145] ? vfs_fsync_range+0x260/0x260 [ 1605.299356] sync_fs_one_sb+0xb1/0xe0 [ 1605.303126] iterate_supers+0x124/0x490 [ 1605.307079] sys_sync+0x9a/0x130 [ 1605.310423] ? vfs_fsync+0x210/0x210 [ 1605.314116] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1605.319110] ? vfs_fsync+0x210/0x210 [ 1605.322809] do_syscall_64+0x1d5/0x640 [ 1605.326679] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1605.331858] RIP: 0033:0x7f3c6be997c9 [ 1605.335550] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1605.343339] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1605.350590] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 executing program executing program [ 1605.357836] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1605.365082] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1605.372329] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000007 [ 1605.394796] FAULT_INJECTION: forcing a failure. [ 1605.394796] name failslab, interval 1, probability 0, space 0, times 0 [ 1605.443727] CPU: 0 PID: 9836 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1605.451621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1605.460965] Call Trace: [ 1605.463547] dump_stack+0x1b2/0x281 [ 1605.467173] should_fail.cold+0x10a/0x149 [ 1605.471330] ? sync_fs_one_sb+0xb1/0xe0 [ 1605.475301] should_failslab+0xd6/0x130 [ 1605.479278] kmem_cache_alloc_node+0x54/0x410 [ 1605.483770] create_task_io_context+0x2a/0x3c0 [ 1605.488350] generic_make_request_checks+0x1350/0x19f0 [ 1605.493624] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1605.498036] ? flush_workqueue+0x129/0x1310 [ 1605.502351] ? flush_workqueue+0x49b/0x1310 [ 1605.506654] generic_make_request+0x67/0x850 [ 1605.511050] ? mempool_alloc+0x10e/0x2d0 [ 1605.515111] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1605.520536] ? blk_queue_exit+0x1d0/0x1d0 [ 1605.524674] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1605.529666] ? kmem_cache_alloc+0x35f/0x3c0 [ 1605.533980] submit_bio+0x234/0x390 [ 1605.537595] ? generic_make_request+0x850/0x850 [ 1605.542266] ? __lockdep_init_map+0x100/0x560 [ 1605.546734] ? __lockdep_init_map+0x100/0x560 [ 1605.551208] submit_bio_wait+0xe8/0x140 [ 1605.555193] ? submit_bio_wait_endio+0xb0/0xb0 [ 1605.559777] blkdev_issue_flush+0x218/0x320 [ 1605.564080] ext4_sync_fs+0x46f/0x7e0 [ 1605.568000] ? bdev_try_to_free_page+0x150/0x150 [ 1605.572730] ? iterate_supers+0xda/0x490 [ 1605.576772] ? bdev_try_to_free_page+0x150/0x150 [ 1605.581504] ? vfs_fsync_range+0x260/0x260 [ 1605.585713] sync_fs_one_sb+0xb1/0xe0 [ 1605.589493] iterate_supers+0x124/0x490 [ 1605.593452] sys_sync+0x9a/0x130 [ 1605.596795] ? vfs_fsync+0x210/0x210 [ 1605.600493] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1605.605491] ? vfs_fsync+0x210/0x210 [ 1605.609183] do_syscall_64+0x1d5/0x640 [ 1605.613052] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1605.618226] RIP: 0033:0x7f3c6be997c9 [ 1605.621938] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1605.629620] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1605.636863] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1605.644115] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1605.651376] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1605.658625] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000006 [ 1605.673121] FAULT_INJECTION: forcing a failure. [ 1605.673121] name failslab, interval 1, probability 0, space 0, times 0 [ 1605.685602] FAULT_INJECTION: forcing a failure. [ 1605.685602] name failslab, interval 1, probability 0, space 0, times 0 [ 1605.697244] FAULT_INJECTION: forcing a failure. [ 1605.697244] name failslab, interval 1, probability 0, space 0, times 0 [ 1605.698448] CPU: 1 PID: 9856 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1605.716285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1605.725618] Call Trace: [ 1605.728186] dump_stack+0x1b2/0x281 [ 1605.731799] should_fail.cold+0x10a/0x149 [ 1605.735928] ? sync_fs_one_sb+0xb1/0xe0 [ 1605.739884] should_failslab+0xd6/0x130 [ 1605.743840] kmem_cache_alloc_node+0x54/0x410 [ 1605.748318] create_task_io_context+0x2a/0x3c0 [ 1605.752879] generic_make_request_checks+0x1350/0x19f0 [ 1605.758140] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1605.762542] ? flush_workqueue+0x129/0x1310 [ 1605.766843] ? flush_workqueue+0x49b/0x1310 [ 1605.771145] generic_make_request+0x67/0x850 [ 1605.775533] ? mempool_alloc+0x10e/0x2d0 [ 1605.779574] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1605.785000] ? blk_queue_exit+0x1d0/0x1d0 [ 1605.789131] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1605.794127] ? kmem_cache_alloc+0x35f/0x3c0 [ 1605.798430] submit_bio+0x234/0x390 [ 1605.802043] ? generic_make_request+0x850/0x850 [ 1605.806695] ? __lockdep_init_map+0x100/0x560 [ 1605.811170] ? __lockdep_init_map+0x100/0x560 [ 1605.815649] submit_bio_wait+0xe8/0x140 [ 1605.819605] ? submit_bio_wait_endio+0xb0/0xb0 [ 1605.824174] blkdev_issue_flush+0x218/0x320 [ 1605.828476] ext4_sync_fs+0x46f/0x7e0 [ 1605.832259] ? bdev_try_to_free_page+0x150/0x150 [ 1605.836991] ? iterate_supers+0xda/0x490 [ 1605.841030] ? bdev_try_to_free_page+0x150/0x150 [ 1605.845765] ? vfs_fsync_range+0x260/0x260 [ 1605.849977] sync_fs_one_sb+0xb1/0xe0 [ 1605.853755] iterate_supers+0x124/0x490 [ 1605.857883] sys_sync+0x9a/0x130 [ 1605.861232] ? vfs_fsync+0x210/0x210 [ 1605.864927] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1605.869922] ? vfs_fsync+0x210/0x210 [ 1605.873612] do_syscall_64+0x1d5/0x640 [ 1605.877499] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1605.882667] RIP: 0033:0x7f3c6be997c9 [ 1605.886371] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1605.894058] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1605.901303] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1605.908550] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1605.915799] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1605.923044] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000011 [ 1605.930302] CPU: 0 PID: 9838 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1605.938179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1605.947522] Call Trace: [ 1605.950094] dump_stack+0x1b2/0x281 [ 1605.953703] should_fail.cold+0x10a/0x149 [ 1605.957832] ? sync_fs_one_sb+0xb1/0xe0 [ 1605.961787] should_failslab+0xd6/0x130 [ 1605.965765] kmem_cache_alloc_node+0x54/0x410 [ 1605.970243] create_task_io_context+0x2a/0x3c0 [ 1605.974804] generic_make_request_checks+0x1350/0x19f0 [ 1605.980064] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1605.984449] ? flush_workqueue+0x129/0x1310 [ 1605.988751] ? flush_workqueue+0x49b/0x1310 [ 1605.993048] generic_make_request+0x67/0x850 [ 1605.997435] ? mempool_alloc+0x10e/0x2d0 [ 1606.001493] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1606.006918] ? blk_queue_exit+0x1d0/0x1d0 [ 1606.011042] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1606.016038] ? kmem_cache_alloc+0x35f/0x3c0 [ 1606.020349] submit_bio+0x234/0x390 [ 1606.023955] ? generic_make_request+0x850/0x850 [ 1606.028614] ? __lockdep_init_map+0x100/0x560 [ 1606.033089] ? __lockdep_init_map+0x100/0x560 [ 1606.037564] submit_bio_wait+0xe8/0x140 [ 1606.041515] ? submit_bio_wait_endio+0xb0/0xb0 [ 1606.046084] blkdev_issue_flush+0x218/0x320 [ 1606.050387] ext4_sync_fs+0x46f/0x7e0 [ 1606.054167] ? bdev_try_to_free_page+0x150/0x150 [ 1606.058914] ? iterate_supers+0xda/0x490 [ 1606.062954] ? bdev_try_to_free_page+0x150/0x150 [ 1606.067709] ? vfs_fsync_range+0x260/0x260 [ 1606.071919] sync_fs_one_sb+0xb1/0xe0 [ 1606.075696] iterate_supers+0x124/0x490 [ 1606.079653] sys_sync+0x9a/0x130 [ 1606.082998] ? vfs_fsync+0x210/0x210 [ 1606.086690] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1606.091682] ? vfs_fsync+0x210/0x210 [ 1606.095375] do_syscall_64+0x1d5/0x640 [ 1606.099247] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1606.104417] RIP: 0033:0x7f3c6be997c9 [ 1606.108104] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1606.115788] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1606.123033] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1606.130282] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1606.137528] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1606.144775] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000006 [ 1606.166757] CPU: 0 PID: 9857 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1606.174645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1606.183989] Call Trace: [ 1606.186574] dump_stack+0x1b2/0x281 [ 1606.190200] should_fail.cold+0x10a/0x149 executing program [ 1606.194347] should_failslab+0xd6/0x130 [ 1606.198321] kmem_cache_alloc+0x28e/0x3c0 [ 1606.202468] start_transaction+0x27c/0xf30 [ 1606.206702] ? vfs_fsync_range+0x260/0x260 [ 1606.210933] btrfs_attach_transaction_barrier+0x22/0x80 [ 1606.216289] btrfs_sync_fs+0xcd/0x430 [ 1606.220083] ? btrfs_freeze+0xb0/0xb0 [ 1606.223882] ? vfs_fsync_range+0x260/0x260 [ 1606.228113] sync_fs_one_sb+0xb1/0xe0 [ 1606.231916] iterate_supers+0x124/0x490 [ 1606.235888] sys_sync+0x9a/0x130 [ 1606.239247] ? vfs_fsync+0x210/0x210 [ 1606.242960] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1606.247967] ? vfs_fsync+0x210/0x210 [ 1606.250324] FAULT_INJECTION: forcing a failure. [ 1606.250324] name failslab, interval 1, probability 0, space 0, times 0 [ 1606.251672] do_syscall_64+0x1d5/0x640 [ 1606.251686] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1606.251699] RIP: 0033:0x7f3c6be997c9 [ 1606.275588] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1606.283283] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1606.290534] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1606.297781] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1606.305029] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1606.312279] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000006 [ 1606.319541] CPU: 1 PID: 9865 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1606.327419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1606.336763] Call Trace: [ 1606.339338] dump_stack+0x1b2/0x281 [ 1606.342948] should_fail.cold+0x10a/0x149 [ 1606.347074] ? sync_fs_one_sb+0xb1/0xe0 [ 1606.351027] should_failslab+0xd6/0x130 [ 1606.354984] kmem_cache_alloc_node+0x54/0x410 [ 1606.359468] create_task_io_context+0x2a/0x3c0 [ 1606.364047] generic_make_request_checks+0x1350/0x19f0 [ 1606.369310] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1606.373702] ? flush_workqueue+0x129/0x1310 [ 1606.378003] ? flush_workqueue+0x49b/0x1310 [ 1606.382306] generic_make_request+0x67/0x850 [ 1606.386703] ? mempool_alloc+0x10e/0x2d0 [ 1606.390755] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1606.396197] ? blk_queue_exit+0x1d0/0x1d0 [ 1606.400339] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1606.405332] ? kmem_cache_alloc+0x35f/0x3c0 [ 1606.409646] submit_bio+0x234/0x390 [ 1606.413599] ? generic_make_request+0x850/0x850 [ 1606.418248] ? __lockdep_init_map+0x100/0x560 [ 1606.422736] ? __lockdep_init_map+0x100/0x560 [ 1606.427224] submit_bio_wait+0xe8/0x140 [ 1606.431180] ? submit_bio_wait_endio+0xb0/0xb0 [ 1606.435848] blkdev_issue_flush+0x218/0x320 [ 1606.440151] ext4_sync_fs+0x46f/0x7e0 [ 1606.443929] ? bdev_try_to_free_page+0x150/0x150 [ 1606.448670] ? iterate_supers+0xda/0x490 [ 1606.452711] ? bdev_try_to_free_page+0x150/0x150 [ 1606.457445] ? vfs_fsync_range+0x260/0x260 [ 1606.461670] sync_fs_one_sb+0xb1/0xe0 [ 1606.465452] iterate_supers+0x124/0x490 [ 1606.469405] sys_sync+0x9a/0x130 [ 1606.472750] ? vfs_fsync+0x210/0x210 [ 1606.476443] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1606.481437] ? vfs_fsync+0x210/0x210 [ 1606.485126] do_syscall_64+0x1d5/0x640 [ 1606.489017] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1606.494206] RIP: 0033:0x7f3c6be997c9 executing program [ 1606.497892] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1606.505576] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1606.512822] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1606.520067] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1606.527317] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1606.534564] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000012 executing program executing program executing program [ 1606.655864] FAULT_INJECTION: forcing a failure. [ 1606.655864] name failslab, interval 1, probability 0, space 0, times 0 [ 1606.667463] FAULT_INJECTION: forcing a failure. [ 1606.667463] name failslab, interval 1, probability 0, space 0, times 0 [ 1606.688467] FAULT_INJECTION: forcing a failure. [ 1606.688467] name failslab, interval 1, probability 0, space 0, times 0 [ 1606.690492] CPU: 1 PID: 9870 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1606.707539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1606.716898] Call Trace: [ 1606.719471] dump_stack+0x1b2/0x281 [ 1606.723082] should_fail.cold+0x10a/0x149 [ 1606.727220] ? sync_fs_one_sb+0xb1/0xe0 [ 1606.731187] should_failslab+0xd6/0x130 [ 1606.735157] kmem_cache_alloc_node+0x54/0x410 [ 1606.739733] create_task_io_context+0x2a/0x3c0 [ 1606.744306] generic_make_request_checks+0x1350/0x19f0 [ 1606.749569] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1606.753961] ? flush_workqueue+0x129/0x1310 [ 1606.758264] ? flush_workqueue+0x49b/0x1310 [ 1606.762570] generic_make_request+0x67/0x850 [ 1606.766959] ? mempool_alloc+0x10e/0x2d0 [ 1606.771000] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1606.776432] ? blk_queue_exit+0x1d0/0x1d0 [ 1606.780562] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1606.785572] ? kmem_cache_alloc+0x35f/0x3c0 [ 1606.789892] submit_bio+0x234/0x390 [ 1606.793513] ? generic_make_request+0x850/0x850 [ 1606.798175] ? __lockdep_init_map+0x100/0x560 [ 1606.802653] ? __lockdep_init_map+0x100/0x560 [ 1606.807149] submit_bio_wait+0xe8/0x140 [ 1606.811109] ? submit_bio_wait_endio+0xb0/0xb0 [ 1606.815686] blkdev_issue_flush+0x218/0x320 [ 1606.820006] ext4_sync_fs+0x46f/0x7e0 [ 1606.823788] ? bdev_try_to_free_page+0x150/0x150 [ 1606.828527] ? iterate_supers+0xda/0x490 [ 1606.832571] ? bdev_try_to_free_page+0x150/0x150 [ 1606.837311] ? vfs_fsync_range+0x260/0x260 [ 1606.841526] sync_fs_one_sb+0xb1/0xe0 [ 1606.845306] iterate_supers+0x124/0x490 [ 1606.849267] sys_sync+0x9a/0x130 [ 1606.852622] ? vfs_fsync+0x210/0x210 [ 1606.856322] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1606.861322] ? vfs_fsync+0x210/0x210 [ 1606.865054] do_syscall_64+0x1d5/0x640 [ 1606.868933] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1606.874120] RIP: 0033:0x7f3c6be997c9 [ 1606.877816] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1606.885506] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1606.892783] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1606.900039] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1606.907295] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1606.914544] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000008 [ 1606.931183] CPU: 0 PID: 9881 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1606.939069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1606.948412] Call Trace: [ 1606.950994] dump_stack+0x1b2/0x281 [ 1606.954620] should_fail.cold+0x10a/0x149 [ 1606.958764] ? sync_fs_one_sb+0xb1/0xe0 [ 1606.962735] should_failslab+0xd6/0x130 [ 1606.966706] kmem_cache_alloc_node+0x54/0x410 [ 1606.971196] create_task_io_context+0x2a/0x3c0 [ 1606.975780] generic_make_request_checks+0x1350/0x19f0 [ 1606.981054] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1606.985456] ? flush_workqueue+0x129/0x1310 [ 1606.989769] ? flush_workqueue+0x49b/0x1310 [ 1606.994087] generic_make_request+0x67/0x850 [ 1606.998485] ? mempool_alloc+0x10e/0x2d0 [ 1607.002526] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1607.007957] ? blk_queue_exit+0x1d0/0x1d0 [ 1607.012112] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1607.017110] ? kmem_cache_alloc+0x35f/0x3c0 [ 1607.021413] submit_bio+0x234/0x390 [ 1607.025021] ? generic_make_request+0x850/0x850 [ 1607.029682] ? __lockdep_init_map+0x100/0x560 [ 1607.034172] ? __lockdep_init_map+0x100/0x560 [ 1607.038654] submit_bio_wait+0xe8/0x140 [ 1607.042613] ? submit_bio_wait_endio+0xb0/0xb0 [ 1607.047182] blkdev_issue_flush+0x218/0x320 [ 1607.051493] ext4_sync_fs+0x46f/0x7e0 [ 1607.055302] ? bdev_try_to_free_page+0x150/0x150 [ 1607.060038] ? iterate_supers+0xda/0x490 [ 1607.064099] ? bdev_try_to_free_page+0x150/0x150 [ 1607.068837] ? vfs_fsync_range+0x260/0x260 [ 1607.073052] sync_fs_one_sb+0xb1/0xe0 [ 1607.076835] iterate_supers+0x124/0x490 [ 1607.080791] sys_sync+0x9a/0x130 [ 1607.084136] ? vfs_fsync+0x210/0x210 [ 1607.087831] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1607.092831] ? vfs_fsync+0x210/0x210 [ 1607.096527] do_syscall_64+0x1d5/0x640 [ 1607.100398] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1607.105572] RIP: 0033:0x7f3c6be997c9 [ 1607.109263] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1607.116951] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1607.124208] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1607.131462] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1607.138723] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1607.145972] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000013 [ 1607.153236] CPU: 1 PID: 9874 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1607.161117] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1607.170457] Call Trace: [ 1607.173026] dump_stack+0x1b2/0x281 [ 1607.176638] should_fail.cold+0x10a/0x149 [ 1607.180767] should_failslab+0xd6/0x130 [ 1607.184722] kmem_cache_alloc+0x28e/0x3c0 [ 1607.188852] start_transaction+0x27c/0xf30 [ 1607.193073] ? vfs_fsync_range+0x260/0x260 [ 1607.197309] btrfs_attach_transaction_barrier+0x22/0x80 [ 1607.202651] btrfs_sync_fs+0xcd/0x430 [ 1607.206427] ? btrfs_freeze+0xb0/0xb0 [ 1607.210206] ? vfs_fsync_range+0x260/0x260 [ 1607.214417] sync_fs_one_sb+0xb1/0xe0 [ 1607.218213] iterate_supers+0x124/0x490 [ 1607.222182] sys_sync+0x9a/0x130 [ 1607.225540] ? vfs_fsync+0x210/0x210 [ 1607.229240] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1607.234244] ? vfs_fsync+0x210/0x210 [ 1607.237940] do_syscall_64+0x1d5/0x640 [ 1607.241813] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1607.246982] RIP: 0033:0x7f3c6be997c9 [ 1607.250670] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 executing program [ 1607.258451] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1607.265701] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1607.272948] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1607.280199] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1607.287463] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000006 executing program executing program [ 1607.412374] FAULT_INJECTION: forcing a failure. [ 1607.412374] name failslab, interval 1, probability 0, space 0, times 0 [ 1607.417089] FAULT_INJECTION: forcing a failure. [ 1607.417089] name failslab, interval 1, probability 0, space 0, times 0 [ 1607.432651] CPU: 1 PID: 9883 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1607.442721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1607.452057] Call Trace: [ 1607.454640] dump_stack+0x1b2/0x281 [ 1607.458256] should_fail.cold+0x10a/0x149 [ 1607.462390] ? sync_fs_one_sb+0xb1/0xe0 [ 1607.466347] should_failslab+0xd6/0x130 [ 1607.470303] kmem_cache_alloc_node+0x54/0x410 [ 1607.474784] create_task_io_context+0x2a/0x3c0 [ 1607.479350] generic_make_request_checks+0x1350/0x19f0 [ 1607.484611] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1607.489002] ? flush_workqueue+0x129/0x1310 [ 1607.493308] ? flush_workqueue+0x49b/0x1310 [ 1607.497617] generic_make_request+0x67/0x850 [ 1607.502004] ? mempool_alloc+0x10e/0x2d0 [ 1607.506044] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1607.511477] ? blk_queue_exit+0x1d0/0x1d0 [ 1607.515607] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1607.520606] ? kmem_cache_alloc+0x35f/0x3c0 [ 1607.524929] submit_bio+0x234/0x390 [ 1607.528536] ? generic_make_request+0x850/0x850 [ 1607.533192] ? __lockdep_init_map+0x100/0x560 [ 1607.537673] ? __lockdep_init_map+0x100/0x560 [ 1607.542150] submit_bio_wait+0xe8/0x140 [ 1607.546108] ? submit_bio_wait_endio+0xb0/0xb0 [ 1607.550684] blkdev_issue_flush+0x218/0x320 [ 1607.554995] ext4_sync_fs+0x46f/0x7e0 [ 1607.558778] ? bdev_try_to_free_page+0x150/0x150 [ 1607.563514] ? iterate_supers+0xda/0x490 [ 1607.567556] ? bdev_try_to_free_page+0x150/0x150 [ 1607.572294] ? vfs_fsync_range+0x260/0x260 [ 1607.576515] sync_fs_one_sb+0xb1/0xe0 [ 1607.580297] iterate_supers+0x124/0x490 [ 1607.584252] sys_sync+0x9a/0x130 [ 1607.587601] ? vfs_fsync+0x210/0x210 [ 1607.591297] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1607.596297] ? vfs_fsync+0x210/0x210 [ 1607.599995] do_syscall_64+0x1d5/0x640 [ 1607.603866] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1607.609040] RIP: 0033:0x7f3c6be997c9 [ 1607.612734] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1607.620428] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1607.627704] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1607.634954] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1607.642217] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1607.649473] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000007 [ 1607.656741] CPU: 0 PID: 9893 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1607.664613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1607.673942] Call Trace: [ 1607.676506] dump_stack+0x1b2/0x281 [ 1607.680118] should_fail.cold+0x10a/0x149 [ 1607.684241] ? sync_fs_one_sb+0xb1/0xe0 [ 1607.688190] should_failslab+0xd6/0x130 [ 1607.692144] kmem_cache_alloc_node+0x54/0x410 [ 1607.696617] create_task_io_context+0x2a/0x3c0 [ 1607.701180] generic_make_request_checks+0x1350/0x19f0 [ 1607.706447] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1607.710830] ? flush_workqueue+0x129/0x1310 [ 1607.715127] ? flush_workqueue+0x49b/0x1310 [ 1607.719426] generic_make_request+0x67/0x850 [ 1607.723812] ? mempool_alloc+0x10e/0x2d0 [ 1607.727851] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1607.733283] ? blk_queue_exit+0x1d0/0x1d0 [ 1607.737418] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1607.742424] ? kmem_cache_alloc+0x35f/0x3c0 [ 1607.746721] submit_bio+0x234/0x390 [ 1607.750337] ? generic_make_request+0x850/0x850 [ 1607.754993] ? __lockdep_init_map+0x100/0x560 [ 1607.759461] ? __lockdep_init_map+0x100/0x560 [ 1607.763932] submit_bio_wait+0xe8/0x140 [ 1607.767879] ? submit_bio_wait_endio+0xb0/0xb0 [ 1607.772441] blkdev_issue_flush+0x218/0x320 [ 1607.776739] ext4_sync_fs+0x46f/0x7e0 [ 1607.780514] ? bdev_try_to_free_page+0x150/0x150 [ 1607.785243] ? iterate_supers+0xda/0x490 [ 1607.789280] ? bdev_try_to_free_page+0x150/0x150 [ 1607.794028] ? vfs_fsync_range+0x260/0x260 [ 1607.798237] sync_fs_one_sb+0xb1/0xe0 [ 1607.802025] iterate_supers+0x124/0x490 [ 1607.805990] sys_sync+0x9a/0x130 [ 1607.809330] ? vfs_fsync+0x210/0x210 [ 1607.813024] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1607.818014] ? vfs_fsync+0x210/0x210 [ 1607.821704] do_syscall_64+0x1d5/0x640 [ 1607.825586] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1607.830764] RIP: 0033:0x7f3c6be997c9 [ 1607.834448] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1607.842131] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1607.849388] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1607.856647] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1607.863892] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1607.871151] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000007 [ 1607.883168] FAULT_INJECTION: forcing a failure. [ 1607.883168] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 1607.894961] CPU: 1 PID: 9903 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1607.902821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1607.912152] Call Trace: [ 1607.914722] dump_stack+0x1b2/0x281 [ 1607.918334] should_fail.cold+0x10a/0x149 [ 1607.922465] __alloc_pages_nodemask+0x22c/0x2720 [ 1607.927203] ? unwind_next_frame+0xe54/0x17d0 [ 1607.931674] ? deref_stack_reg+0x124/0x1a0 [ 1607.935893] ? is_bpf_text_address+0x91/0x150 [ 1607.940381] ? lock_acquire+0x170/0x3f0 [ 1607.944332] ? lock_downgrade+0x740/0x740 [ 1607.948472] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1607.953298] ? __kernel_text_address+0x9/0x30 [ 1607.957768] ? unwind_get_return_address+0x51/0x90 [ 1607.962687] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1607.968027] ? __save_stack_trace+0xa0/0x160 [ 1607.972414] ? register_lock_class+0x1f3/0x1180 [ 1607.977139] ? depot_save_stack+0x10d/0x3f0 [ 1607.981455] cache_grow_begin+0x91/0x700 [ 1607.985499] ? kasan_kmalloc+0x139/0x160 [ 1607.989565] ? check_preemption_disabled+0x35/0x240 [ 1607.994571] cache_alloc_refill+0x273/0x350 [ 1607.998883] kmem_cache_alloc_node+0x3f5/0x410 [ 1608.003447] create_task_io_context+0x2a/0x3c0 [ 1608.008009] generic_make_request_checks+0x1350/0x19f0 [ 1608.013264] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1608.017652] ? flush_workqueue+0x129/0x1310 [ 1608.021952] ? flush_workqueue+0x49b/0x1310 [ 1608.026254] generic_make_request+0x67/0x850 [ 1608.030642] ? mempool_alloc+0x10e/0x2d0 [ 1608.034679] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1608.040106] ? blk_queue_exit+0x1d0/0x1d0 [ 1608.044238] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1608.049248] ? kmem_cache_alloc+0x35f/0x3c0 [ 1608.053564] submit_bio+0x234/0x390 [ 1608.057178] ? generic_make_request+0x850/0x850 [ 1608.061826] ? __lockdep_init_map+0x100/0x560 [ 1608.066299] ? __lockdep_init_map+0x100/0x560 [ 1608.070781] submit_bio_wait+0xe8/0x140 [ 1608.074734] ? submit_bio_wait_endio+0xb0/0xb0 [ 1608.079309] blkdev_issue_flush+0x218/0x320 [ 1608.083622] ext4_sync_fs+0x46f/0x7e0 [ 1608.087408] ? bdev_try_to_free_page+0x150/0x150 [ 1608.092142] ? iterate_supers+0xda/0x490 [ 1608.096183] ? bdev_try_to_free_page+0x150/0x150 [ 1608.100923] ? vfs_fsync_range+0x260/0x260 [ 1608.105228] sync_fs_one_sb+0xb1/0xe0 [ 1608.109010] iterate_supers+0x124/0x490 [ 1608.112979] sys_sync+0x9a/0x130 [ 1608.116340] ? vfs_fsync+0x210/0x210 [ 1608.120035] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1608.125030] ? vfs_fsync+0x210/0x210 [ 1608.128721] do_syscall_64+0x1d5/0x640 [ 1608.132588] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1608.137761] RIP: 0033:0x7f3c6be997c9 [ 1608.141449] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1608.149134] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1608.156382] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1608.163628] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1608.170990] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1608.178243] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000014 [ 1608.187210] FAULT_INJECTION: forcing a failure. [ 1608.187210] name failslab, interval 1, probability 0, space 0, times 0 [ 1608.205257] CPU: 0 PID: 9901 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1608.213143] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1608.222489] Call Trace: [ 1608.225077] dump_stack+0x1b2/0x281 [ 1608.228706] should_fail.cold+0x10a/0x149 [ 1608.232859] should_failslab+0xd6/0x130 [ 1608.236833] kmem_cache_alloc+0x28e/0x3c0 [ 1608.240977] start_transaction+0x27c/0xf30 [ 1608.245316] ? vfs_fsync_range+0x260/0x260 [ 1608.249551] btrfs_attach_transaction_barrier+0x22/0x80 [ 1608.254911] btrfs_sync_fs+0xcd/0x430 [ 1608.258701] ? btrfs_freeze+0xb0/0xb0 [ 1608.262479] ? vfs_fsync_range+0x260/0x260 [ 1608.266688] sync_fs_one_sb+0xb1/0xe0 [ 1608.270466] iterate_supers+0x124/0x490 [ 1608.274416] sys_sync+0x9a/0x130 [ 1608.277764] ? vfs_fsync+0x210/0x210 [ 1608.281460] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1608.286454] ? vfs_fsync+0x210/0x210 [ 1608.290148] do_syscall_64+0x1d5/0x640 [ 1608.294016] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1608.299181] RIP: 0033:0x7f3c6be997c9 [ 1608.302864] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 executing program executing program [ 1608.310547] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1608.317793] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1608.325037] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1608.332278] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1608.339545] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000007 executing program [ 1608.481940] FAULT_INJECTION: forcing a failure. [ 1608.481940] name failslab, interval 1, probability 0, space 0, times 0 [ 1608.497685] CPU: 1 PID: 9913 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1608.505567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1608.514899] Call Trace: [ 1608.517470] dump_stack+0x1b2/0x281 [ 1608.521077] should_fail.cold+0x10a/0x149 [ 1608.525200] ? sync_fs_one_sb+0xb1/0xe0 [ 1608.529155] should_failslab+0xd6/0x130 [ 1608.533106] kmem_cache_alloc_node+0x54/0x410 [ 1608.537579] create_task_io_context+0x2a/0x3c0 [ 1608.542139] generic_make_request_checks+0x1350/0x19f0 [ 1608.547395] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1608.551780] ? lock_downgrade+0x740/0x740 [ 1608.555927] ? flush_workqueue+0x49b/0x1310 [ 1608.560224] generic_make_request+0x67/0x850 [ 1608.564609] ? mempool_alloc+0x10e/0x2d0 [ 1608.568645] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1608.574073] ? blk_queue_exit+0x1d0/0x1d0 [ 1608.578199] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1608.583189] ? kmem_cache_alloc+0x35f/0x3c0 [ 1608.587487] submit_bio+0x234/0x390 [ 1608.591096] ? generic_make_request+0x850/0x850 [ 1608.595748] ? __lockdep_init_map+0x100/0x560 [ 1608.600216] ? __lockdep_init_map+0x100/0x560 [ 1608.604688] submit_bio_wait+0xe8/0x140 [ 1608.608638] ? submit_bio_wait_endio+0xb0/0xb0 [ 1608.613201] blkdev_issue_flush+0x218/0x320 [ 1608.617498] ext4_sync_fs+0x46f/0x7e0 [ 1608.621273] ? bdev_try_to_free_page+0x150/0x150 [ 1608.626018] ? iterate_supers+0xda/0x490 [ 1608.630068] ? bdev_try_to_free_page+0x150/0x150 [ 1608.634805] ? vfs_fsync_range+0x260/0x260 [ 1608.639031] sync_fs_one_sb+0xb1/0xe0 [ 1608.642817] iterate_supers+0x124/0x490 [ 1608.646772] sys_sync+0x9a/0x130 [ 1608.650133] ? vfs_fsync+0x210/0x210 [ 1608.653825] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1608.658818] ? vfs_fsync+0x210/0x210 [ 1608.662505] do_syscall_64+0x1d5/0x640 [ 1608.666374] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1608.671546] RIP: 0033:0x7f3c6be997c9 [ 1608.675231] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1608.682916] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1608.690163] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1608.697405] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1608.704650] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1608.711902] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000015 [ 1608.725647] FAULT_INJECTION: forcing a failure. executing program executing program [ 1608.725647] name failslab, interval 1, probability 0, space 0, times 0 [ 1608.742301] FAULT_INJECTION: forcing a failure. [ 1608.742301] name failslab, interval 1, probability 0, space 0, times 0 [ 1608.770841] FAULT_INJECTION: forcing a failure. [ 1608.770841] name failslab, interval 1, probability 0, space 0, times 0 executing program [ 1608.775135] FAULT_INJECTION: forcing a failure. [ 1608.775135] name failslab, interval 1, probability 0, space 0, times 0 [ 1608.788907] CPU: 0 PID: 9916 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1608.800501] FAULT_INJECTION: forcing a failure. [ 1608.800501] name failslab, interval 1, probability 0, space 0, times 0 [ 1608.801394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1608.801398] Call Trace: [ 1608.801411] dump_stack+0x1b2/0x281 [ 1608.801424] should_fail.cold+0x10a/0x149 [ 1608.801433] ? sync_fs_one_sb+0xb1/0xe0 [ 1608.801447] should_failslab+0xd6/0x130 [ 1608.801458] kmem_cache_alloc_node+0x54/0x410 [ 1608.801468] create_task_io_context+0x2a/0x3c0 [ 1608.801478] generic_make_request_checks+0x1350/0x19f0 [ 1608.801490] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1608.801499] ? flush_workqueue+0x129/0x1310 [ 1608.801509] ? trace_hardirqs_on+0x10/0x10 [ 1608.801519] generic_make_request+0x67/0x850 [ 1608.801528] ? mempool_alloc+0x10e/0x2d0 [ 1608.801536] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1608.801544] ? blk_queue_exit+0x1d0/0x1d0 [ 1608.801552] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1608.801559] ? kmem_cache_alloc+0x35f/0x3c0 [ 1608.801569] submit_bio+0x234/0x390 [ 1608.801577] ? generic_make_request+0x850/0x850 [ 1608.801584] ? __lockdep_init_map+0x100/0x560 [ 1608.801592] ? __lockdep_init_map+0x100/0x560 [ 1608.801602] submit_bio_wait+0xe8/0x140 [ 1608.801613] ? submit_bio_wait_endio+0xb0/0xb0 [ 1608.920425] blkdev_issue_flush+0x218/0x320 [ 1608.924731] ext4_sync_fs+0x46f/0x7e0 [ 1608.928512] ? bdev_try_to_free_page+0x150/0x150 [ 1608.933262] ? iterate_supers+0xda/0x490 [ 1608.937301] ? bdev_try_to_free_page+0x150/0x150 [ 1608.942042] ? vfs_fsync_range+0x260/0x260 [ 1608.946257] sync_fs_one_sb+0xb1/0xe0 [ 1608.950040] iterate_supers+0x124/0x490 [ 1608.953996] sys_sync+0x9a/0x130 [ 1608.957430] ? vfs_fsync+0x210/0x210 [ 1608.961133] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1608.966136] ? vfs_fsync+0x210/0x210 [ 1608.969828] do_syscall_64+0x1d5/0x640 [ 1608.973703] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1608.978872] RIP: 0033:0x7f3c6be997c9 [ 1608.982561] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1608.990263] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1608.997512] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1609.004762] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1609.012010] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1609.019263] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000007 [ 1609.026530] CPU: 1 PID: 9932 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1609.034410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1609.043764] Call Trace: [ 1609.046343] dump_stack+0x1b2/0x281 [ 1609.049970] should_fail.cold+0x10a/0x149 [ 1609.054109] ? sync_fs_one_sb+0xb1/0xe0 [ 1609.058074] should_failslab+0xd6/0x130 [ 1609.062064] kmem_cache_alloc_node+0x54/0x410 [ 1609.066549] create_task_io_context+0x2a/0x3c0 [ 1609.071127] generic_make_request_checks+0x1350/0x19f0 [ 1609.076406] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1609.080803] ? flush_workqueue+0x129/0x1310 [ 1609.085111] ? trace_hardirqs_on+0x10/0x10 [ 1609.089337] generic_make_request+0x67/0x850 [ 1609.093741] ? mempool_alloc+0x10e/0x2d0 [ 1609.097792] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1609.103230] ? blk_queue_exit+0x1d0/0x1d0 [ 1609.107360] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1609.112360] ? kmem_cache_alloc+0x35f/0x3c0 [ 1609.116669] submit_bio+0x234/0x390 [ 1609.120283] ? generic_make_request+0x850/0x850 [ 1609.124944] ? __lockdep_init_map+0x100/0x560 [ 1609.129427] ? __lockdep_init_map+0x100/0x560 [ 1609.133915] submit_bio_wait+0xe8/0x140 [ 1609.137883] ? submit_bio_wait_endio+0xb0/0xb0 [ 1609.142457] blkdev_issue_flush+0x218/0x320 [ 1609.146768] ext4_sync_fs+0x46f/0x7e0 [ 1609.150564] ? bdev_try_to_free_page+0x150/0x150 [ 1609.155312] ? iterate_supers+0xda/0x490 [ 1609.159367] ? bdev_try_to_free_page+0x150/0x150 [ 1609.164109] ? vfs_fsync_range+0x260/0x260 [ 1609.168327] sync_fs_one_sb+0xb1/0xe0 [ 1609.172115] iterate_supers+0x124/0x490 [ 1609.176074] sys_sync+0x9a/0x130 [ 1609.179429] ? vfs_fsync+0x210/0x210 [ 1609.183128] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1609.188148] ? vfs_fsync+0x210/0x210 [ 1609.191847] do_syscall_64+0x1d5/0x640 [ 1609.195719] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1609.200894] RIP: 0033:0x7f3c6be997c9 [ 1609.204591] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1609.212286] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1609.219538] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1609.226793] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1609.234055] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1609.241335] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000008 [ 1609.248598] CPU: 0 PID: 9934 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1609.256474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1609.265819] Call Trace: [ 1609.268414] dump_stack+0x1b2/0x281 [ 1609.272043] should_fail.cold+0x10a/0x149 [ 1609.276186] ? sync_fs_one_sb+0xb1/0xe0 [ 1609.280157] should_failslab+0xd6/0x130 [ 1609.284126] kmem_cache_alloc_node+0x54/0x410 [ 1609.288619] create_task_io_context+0x2a/0x3c0 [ 1609.293199] generic_make_request_checks+0x1350/0x19f0 [ 1609.298475] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1609.302879] ? flush_workqueue+0x129/0x1310 [ 1609.307196] ? flush_workqueue+0x49b/0x1310 [ 1609.311515] generic_make_request+0x67/0x850 [ 1609.315915] ? mempool_alloc+0x10e/0x2d0 [ 1609.319971] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1609.325418] ? blk_queue_exit+0x1d0/0x1d0 [ 1609.329553] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1609.334550] ? kmem_cache_alloc+0x35f/0x3c0 [ 1609.338856] submit_bio+0x234/0x390 [ 1609.342464] ? generic_make_request+0x850/0x850 [ 1609.347115] ? __lockdep_init_map+0x100/0x560 [ 1609.351590] ? __lockdep_init_map+0x100/0x560 [ 1609.356070] submit_bio_wait+0xe8/0x140 [ 1609.360029] ? submit_bio_wait_endio+0xb0/0xb0 [ 1609.364599] blkdev_issue_flush+0x218/0x320 [ 1609.368902] ext4_sync_fs+0x46f/0x7e0 [ 1609.372688] ? bdev_try_to_free_page+0x150/0x150 [ 1609.377429] ? iterate_supers+0xda/0x490 [ 1609.381476] ? bdev_try_to_free_page+0x150/0x150 [ 1609.386219] ? vfs_fsync_range+0x260/0x260 [ 1609.390434] sync_fs_one_sb+0xb1/0xe0 [ 1609.394224] iterate_supers+0x124/0x490 [ 1609.398194] sys_sync+0x9a/0x130 [ 1609.401545] ? vfs_fsync+0x210/0x210 [ 1609.405246] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1609.410249] ? vfs_fsync+0x210/0x210 [ 1609.413946] do_syscall_64+0x1d5/0x640 [ 1609.417824] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1609.422999] RIP: 0033:0x7f3c6be997c9 [ 1609.426686] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1609.434374] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1609.441632] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1609.448885] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1609.456135] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1609.463388] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000016 [ 1609.470672] CPU: 1 PID: 9936 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1609.478556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1609.487903] Call Trace: [ 1609.490482] dump_stack+0x1b2/0x281 [ 1609.494101] should_fail.cold+0x10a/0x149 [ 1609.498242] should_failslab+0xd6/0x130 [ 1609.502202] kmem_cache_alloc+0x28e/0x3c0 [ 1609.506333] start_transaction+0x27c/0xf30 [ 1609.510569] ? vfs_fsync_range+0x260/0x260 [ 1609.514815] btrfs_attach_transaction_barrier+0x22/0x80 [ 1609.520164] btrfs_sync_fs+0xcd/0x430 [ 1609.523952] ? btrfs_freeze+0xb0/0xb0 [ 1609.527735] ? vfs_fsync_range+0x260/0x260 [ 1609.531949] sync_fs_one_sb+0xb1/0xe0 [ 1609.535729] iterate_supers+0x124/0x490 [ 1609.539683] sys_sync+0x9a/0x130 [ 1609.543030] ? vfs_fsync+0x210/0x210 [ 1609.546731] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1609.551724] ? vfs_fsync+0x210/0x210 [ 1609.555422] do_syscall_64+0x1d5/0x640 [ 1609.559294] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1609.564467] RIP: 0033:0x7f3c6be997c9 [ 1609.568159] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1609.575846] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1609.583096] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1609.590345] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1609.597592] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1609.604837] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000008 [ 1609.612096] CPU: 0 PID: 9926 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1609.619977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1609.629320] Call Trace: [ 1609.631910] dump_stack+0x1b2/0x281 [ 1609.635533] should_fail.cold+0x10a/0x149 [ 1609.639675] ? sync_fs_one_sb+0xb1/0xe0 [ 1609.643647] should_failslab+0xd6/0x130 [ 1609.647616] kmem_cache_alloc_node+0x54/0x410 [ 1609.652106] create_task_io_context+0x2a/0x3c0 [ 1609.656685] generic_make_request_checks+0x1350/0x19f0 [ 1609.661957] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1609.666353] ? flush_workqueue+0x129/0x1310 [ 1609.670651] ? flush_workqueue+0x49b/0x1310 [ 1609.674972] generic_make_request+0x67/0x850 [ 1609.679359] ? mempool_alloc+0x10e/0x2d0 [ 1609.683403] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1609.688836] ? blk_queue_exit+0x1d0/0x1d0 [ 1609.692967] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1609.697959] ? kmem_cache_alloc+0x35f/0x3c0 [ 1609.702256] submit_bio+0x234/0x390 [ 1609.705859] ? generic_make_request+0x850/0x850 [ 1609.710505] ? __lockdep_init_map+0x100/0x560 [ 1609.714976] ? __lockdep_init_map+0x100/0x560 [ 1609.719468] submit_bio_wait+0xe8/0x140 [ 1609.723417] ? submit_bio_wait_endio+0xb0/0xb0 [ 1609.727981] blkdev_issue_flush+0x218/0x320 [ 1609.732283] ext4_sync_fs+0x46f/0x7e0 [ 1609.736060] ? bdev_try_to_free_page+0x150/0x150 [ 1609.740791] ? iterate_supers+0xda/0x490 [ 1609.744829] ? bdev_try_to_free_page+0x150/0x150 [ 1609.749564] ? vfs_fsync_range+0x260/0x260 [ 1609.753784] sync_fs_one_sb+0xb1/0xe0 [ 1609.757576] iterate_supers+0x124/0x490 [ 1609.761530] sys_sync+0x9a/0x130 [ 1609.764885] ? vfs_fsync+0x210/0x210 [ 1609.768576] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1609.773565] ? vfs_fsync+0x210/0x210 [ 1609.777254] do_syscall_64+0x1d5/0x640 [ 1609.781118] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1609.786283] RIP: 0033:0x7f3c6be997c9 [ 1609.789969] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1609.797651] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1609.804895] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1609.812140] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1609.819385] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1609.826632] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000009 executing program [ 1609.883787] BTRFS info (device loop0): disabling disk space caching [ 1609.893675] BTRFS info (device loop0): has skinny extents executing program [ 1609.954160] BTRFS info (device loop0): checking UUID tree [ 1609.960315] BTRFS warning (device loop0): btrfs_uuid_scan_kthread failed -28 executing program [ 1610.045070] FAULT_INJECTION: forcing a failure. [ 1610.045070] name failslab, interval 1, probability 0, space 0, times 0 [ 1610.063667] CPU: 1 PID: 9950 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1610.071555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1610.080900] Call Trace: [ 1610.083482] dump_stack+0x1b2/0x281 [ 1610.087112] should_fail.cold+0x10a/0x149 [ 1610.091366] ? lock_downgrade+0x740/0x740 [ 1610.095498] ? mempool_free+0x1d0/0x1d0 [ 1610.099464] should_failslab+0xd6/0x130 [ 1610.103418] kmem_cache_alloc+0x40/0x3c0 [ 1610.107454] ? mempool_free+0x1d0/0x1d0 [ 1610.111408] mempool_alloc+0x10e/0x2d0 [ 1610.115298] ? remove_element.isra.0+0x1b0/0x1b0 [ 1610.120035] ? flush_workqueue+0x40e/0x1310 [ 1610.124336] ? check_preemption_disabled+0x35/0x240 [ 1610.129333] bio_alloc_bioset+0x41b/0x830 [ 1610.133468] ? bvec_alloc+0x2d0/0x2d0 [ 1610.137254] blkdev_issue_flush+0xeb/0x320 [ 1610.141474] ext4_sync_fs+0x46f/0x7e0 [ 1610.145261] ? bdev_try_to_free_page+0x150/0x150 [ 1610.150004] ? iterate_supers+0xda/0x490 [ 1610.154050] ? bdev_try_to_free_page+0x150/0x150 [ 1610.158789] ? vfs_fsync_range+0x260/0x260 [ 1610.163001] sync_fs_one_sb+0xb1/0xe0 [ 1610.166780] iterate_supers+0x124/0x490 [ 1610.170729] sys_sync+0x9a/0x130 [ 1610.174073] ? vfs_fsync+0x210/0x210 [ 1610.177770] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1610.182758] ? vfs_fsync+0x210/0x210 [ 1610.186461] do_syscall_64+0x1d5/0x640 [ 1610.190340] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1610.195503] RIP: 0033:0x7f3c6be997c9 [ 1610.199201] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1610.206881] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1610.214129] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1610.221389] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1610.228649] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1610.235900] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000008 [ 1610.251684] FAULT_INJECTION: forcing a failure. [ 1610.251684] name failslab, interval 1, probability 0, space 0, times 0 [ 1610.263097] FAULT_INJECTION: forcing a failure. [ 1610.263097] name failslab, interval 1, probability 0, space 0, times 0 [ 1610.276203] CPU: 1 PID: 9984 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1610.284087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1610.293429] Call Trace: [ 1610.296011] dump_stack+0x1b2/0x281 [ 1610.299638] should_fail.cold+0x10a/0x149 [ 1610.303782] ? lock_downgrade+0x740/0x740 [ 1610.307925] ? mempool_free+0x1d0/0x1d0 [ 1610.311902] should_failslab+0xd6/0x130 [ 1610.315874] kmem_cache_alloc+0x40/0x3c0 [ 1610.319933] ? mempool_free+0x1d0/0x1d0 [ 1610.323906] mempool_alloc+0x10e/0x2d0 [ 1610.327783] ? remove_element.isra.0+0x1b0/0x1b0 [ 1610.332529] ? flush_workqueue+0x40e/0x1310 [ 1610.336851] ? check_preemption_disabled+0x35/0x240 [ 1610.341868] bio_alloc_bioset+0x41b/0x830 [ 1610.346011] ? bvec_alloc+0x2d0/0x2d0 [ 1610.349801] blkdev_issue_flush+0xeb/0x320 [ 1610.354018] ext4_sync_fs+0x46f/0x7e0 [ 1610.357799] ? bdev_try_to_free_page+0x150/0x150 [ 1610.362535] ? iterate_supers+0xda/0x490 [ 1610.366582] ? bdev_try_to_free_page+0x150/0x150 [ 1610.371335] ? vfs_fsync_range+0x260/0x260 [ 1610.375554] sync_fs_one_sb+0xb1/0xe0 [ 1610.379337] iterate_supers+0x124/0x490 [ 1610.383296] sys_sync+0x9a/0x130 [ 1610.386645] ? vfs_fsync+0x210/0x210 [ 1610.390343] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1610.395342] ? vfs_fsync+0x210/0x210 [ 1610.399035] do_syscall_64+0x1d5/0x640 [ 1610.402914] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1610.408085] RIP: 0033:0x7f3c6be997c9 [ 1610.411773] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1610.419461] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1610.426708] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1610.433956] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1610.441217] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 executing program [ 1610.448466] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000017 [ 1610.455723] CPU: 0 PID: 9991 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1610.463604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1610.472949] Call Trace: [ 1610.475528] dump_stack+0x1b2/0x281 [ 1610.479152] should_fail.cold+0x10a/0x149 [ 1610.483294] ? sync_fs_one_sb+0xb1/0xe0 [ 1610.487267] should_failslab+0xd6/0x130 [ 1610.491237] kmem_cache_alloc_node+0x54/0x410 [ 1610.495729] create_task_io_context+0x2a/0x3c0 [ 1610.500304] generic_make_request_checks+0x1350/0x19f0 [ 1610.505570] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1610.509958] ? flush_workqueue+0x129/0x1310 [ 1610.514259] ? flush_workqueue+0x49b/0x1310 [ 1610.518562] generic_make_request+0x67/0x850 [ 1610.523038] ? mempool_alloc+0x10e/0x2d0 [ 1610.527076] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1610.532502] ? blk_queue_exit+0x1d0/0x1d0 [ 1610.536626] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1610.541618] ? kmem_cache_alloc+0x35f/0x3c0 [ 1610.545923] submit_bio+0x234/0x390 [ 1610.549529] ? generic_make_request+0x850/0x850 [ 1610.554175] ? __lockdep_init_map+0x100/0x560 [ 1610.558651] ? __lockdep_init_map+0x100/0x560 [ 1610.563126] submit_bio_wait+0xe8/0x140 [ 1610.567078] ? submit_bio_wait_endio+0xb0/0xb0 [ 1610.571642] blkdev_issue_flush+0x218/0x320 [ 1610.575946] ext4_sync_fs+0x46f/0x7e0 [ 1610.579724] ? bdev_try_to_free_page+0x150/0x150 [ 1610.584471] ? iterate_supers+0xda/0x490 [ 1610.588512] ? bdev_try_to_free_page+0x150/0x150 [ 1610.593245] ? vfs_fsync_range+0x260/0x260 [ 1610.597456] sync_fs_one_sb+0xb1/0xe0 [ 1610.601234] iterate_supers+0x124/0x490 [ 1610.605188] sys_sync+0x9a/0x130 [ 1610.608533] ? vfs_fsync+0x210/0x210 [ 1610.612227] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1610.617219] ? vfs_fsync+0x210/0x210 [ 1610.620911] do_syscall_64+0x1d5/0x640 [ 1610.624792] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1610.629963] RIP: 0033:0x7f3c6be997c9 [ 1610.633651] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1610.641339] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 executing program executing program [ 1610.648588] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1610.655835] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1610.663085] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1610.670331] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000009 executing program [ 1610.784334] FAULT_INJECTION: forcing a failure. [ 1610.784334] name failslab, interval 1, probability 0, space 0, times 0 [ 1610.784340] FAULT_INJECTION: forcing a failure. [ 1610.784340] name failslab, interval 1, probability 0, space 0, times 0 [ 1610.797504] CPU: 0 PID: 9997 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1610.814626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1610.823962] Call Trace: [ 1610.826533] dump_stack+0x1b2/0x281 [ 1610.830142] should_fail.cold+0x10a/0x149 [ 1610.834277] ? sync_fs_one_sb+0xb1/0xe0 [ 1610.838236] should_failslab+0xd6/0x130 [ 1610.842190] kmem_cache_alloc_node+0x54/0x410 [ 1610.846668] create_task_io_context+0x2a/0x3c0 [ 1610.851239] generic_make_request_checks+0x1350/0x19f0 [ 1610.856494] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1610.860885] ? retint_kernel+0x2d/0x2d [ 1610.864750] ? mempool_free+0x1d0/0x1d0 [ 1610.868715] generic_make_request+0x67/0x850 [ 1610.873104] ? mempool_alloc+0x10e/0x2d0 [ 1610.877144] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1610.882574] ? blk_queue_exit+0x1d0/0x1d0 [ 1610.886703] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1610.891701] ? kmem_cache_alloc+0x35f/0x3c0 [ 1610.896002] submit_bio+0x234/0x390 [ 1610.899609] ? generic_make_request+0x850/0x850 [ 1610.904257] ? __lockdep_init_map+0x100/0x560 [ 1610.908741] ? __lockdep_init_map+0x100/0x560 [ 1610.913225] submit_bio_wait+0xe8/0x140 [ 1610.917195] ? submit_bio_wait_endio+0xb0/0xb0 [ 1610.921762] blkdev_issue_flush+0x218/0x320 [ 1610.926066] ext4_sync_fs+0x46f/0x7e0 [ 1610.929846] ? bdev_try_to_free_page+0x150/0x150 [ 1610.934578] ? iterate_supers+0xda/0x490 [ 1610.938619] ? bdev_try_to_free_page+0x150/0x150 [ 1610.943354] ? vfs_fsync_range+0x260/0x260 [ 1610.947566] sync_fs_one_sb+0xb1/0xe0 [ 1610.951347] iterate_supers+0x124/0x490 [ 1610.955301] sys_sync+0x9a/0x130 [ 1610.958649] ? vfs_fsync+0x210/0x210 [ 1610.962359] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1610.967355] ? vfs_fsync+0x210/0x210 [ 1610.971481] do_syscall_64+0x1d5/0x640 [ 1610.975355] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1610.980537] RIP: 0033:0x7f3c6be997c9 [ 1610.984226] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1610.991914] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1610.999161] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1611.006407] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1611.013667] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1611.020916] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000000a [ 1611.028175] CPU: 1 PID: 10001 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1611.029014] FAULT_INJECTION: forcing a failure. [ 1611.029014] name failslab, interval 1, probability 0, space 0, times 0 [ 1611.036129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1611.036132] Call Trace: [ 1611.036144] dump_stack+0x1b2/0x281 [ 1611.036155] should_fail.cold+0x10a/0x149 [ 1611.036167] ? sync_fs_one_sb+0xb1/0xe0 [ 1611.047401] FAULT_INJECTION: forcing a failure. [ 1611.047401] name failslab, interval 1, probability 0, space 0, times 0 [ 1611.056656] should_failslab+0xd6/0x130 [ 1611.056667] kmem_cache_alloc_node+0x54/0x410 [ 1611.056677] create_task_io_context+0x2a/0x3c0 [ 1611.056686] generic_make_request_checks+0x1350/0x19f0 [ 1611.056697] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1611.056705] ? flush_workqueue+0x129/0x1310 [ 1611.056713] ? flush_workqueue+0x49b/0x1310 [ 1611.056723] generic_make_request+0x67/0x850 [ 1611.056731] ? mempool_alloc+0x10e/0x2d0 [ 1611.056740] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1611.056745] ? blk_queue_exit+0x1d0/0x1d0 [ 1611.056764] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1611.056771] ? kmem_cache_alloc+0x35f/0x3c0 [ 1611.056782] submit_bio+0x234/0x390 [ 1611.056790] ? generic_make_request+0x850/0x850 [ 1611.056798] ? __lockdep_init_map+0x100/0x560 [ 1611.056805] ? __lockdep_init_map+0x100/0x560 [ 1611.157893] submit_bio_wait+0xe8/0x140 [ 1611.161854] ? submit_bio_wait_endio+0xb0/0xb0 [ 1611.166428] blkdev_issue_flush+0x218/0x320 [ 1611.170732] ext4_sync_fs+0x46f/0x7e0 [ 1611.174516] ? bdev_try_to_free_page+0x150/0x150 [ 1611.179254] ? iterate_supers+0xda/0x490 [ 1611.183296] ? bdev_try_to_free_page+0x150/0x150 [ 1611.188033] ? vfs_fsync_range+0x260/0x260 [ 1611.192248] sync_fs_one_sb+0xb1/0xe0 [ 1611.196031] iterate_supers+0x124/0x490 [ 1611.199987] sys_sync+0x9a/0x130 [ 1611.203332] ? vfs_fsync+0x210/0x210 [ 1611.207031] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1611.212032] ? vfs_fsync+0x210/0x210 [ 1611.215742] do_syscall_64+0x1d5/0x640 [ 1611.219619] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1611.224790] RIP: 0033:0x7f3c6be997c9 [ 1611.228485] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1611.236175] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1611.243531] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1611.250914] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1611.258173] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1611.265448] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000018 [ 1611.275097] CPU: 0 PID: 10007 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1611.283076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1611.292423] Call Trace: [ 1611.295008] dump_stack+0x1b2/0x281 [ 1611.298634] should_fail.cold+0x10a/0x149 [ 1611.302781] should_failslab+0xd6/0x130 [ 1611.306758] kmem_cache_alloc+0x28e/0x3c0 [ 1611.310897] start_transaction+0x27c/0xf30 [ 1611.315117] ? vfs_fsync_range+0x260/0x260 [ 1611.319330] btrfs_attach_transaction_barrier+0x22/0x80 [ 1611.324672] btrfs_sync_fs+0xcd/0x430 [ 1611.328452] ? btrfs_freeze+0xb0/0xb0 [ 1611.332235] ? vfs_fsync_range+0x260/0x260 [ 1611.336456] sync_fs_one_sb+0xb1/0xe0 [ 1611.340239] iterate_supers+0x124/0x490 [ 1611.344198] sys_sync+0x9a/0x130 [ 1611.347547] ? vfs_fsync+0x210/0x210 [ 1611.351249] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1611.356244] ? vfs_fsync+0x210/0x210 [ 1611.359944] do_syscall_64+0x1d5/0x640 [ 1611.363817] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1611.368992] RIP: 0033:0x7f3c6be997c9 [ 1611.372686] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1611.380374] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1611.387623] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1611.394873] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1611.402123] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1611.409391] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000009 [ 1611.427414] CPU: 1 PID: 10010 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1611.435390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1611.444741] Call Trace: [ 1611.447322] dump_stack+0x1b2/0x281 [ 1611.450947] should_fail.cold+0x10a/0x149 [ 1611.455095] should_failslab+0xd6/0x130 [ 1611.459073] kmem_cache_alloc+0x28e/0x3c0 [ 1611.463260] start_transaction+0x27c/0xf30 [ 1611.467501] ? vfs_fsync_range+0x260/0x260 [ 1611.471731] btrfs_attach_transaction_barrier+0x22/0x80 [ 1611.477083] btrfs_sync_fs+0xcd/0x430 [ 1611.480881] ? btrfs_freeze+0xb0/0xb0 [ 1611.484673] ? vfs_fsync_range+0x260/0x260 [ 1611.488893] sync_fs_one_sb+0xb1/0xe0 [ 1611.492679] iterate_supers+0x124/0x490 [ 1611.496637] sys_sync+0x9a/0x130 [ 1611.499994] ? vfs_fsync+0x210/0x210 [ 1611.503702] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1611.508724] ? vfs_fsync+0x210/0x210 [ 1611.512441] do_syscall_64+0x1d5/0x640 [ 1611.516322] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1611.521491] RIP: 0033:0x7f3c6be997c9 [ 1611.525184] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 executing program [ 1611.532869] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1611.540118] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1611.547366] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1611.554613] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1611.561864] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000008 executing program executing program executing program [ 1611.694170] FAULT_INJECTION: forcing a failure. [ 1611.694170] name failslab, interval 1, probability 0, space 0, times 0 [ 1611.694279] FAULT_INJECTION: forcing a failure. [ 1611.694279] name failslab, interval 1, probability 0, space 0, times 0 [ 1611.708471] FAULT_INJECTION: forcing a failure. [ 1611.708471] name failslab, interval 1, probability 0, space 0, times 0 [ 1611.741127] CPU: 1 PID: 10026 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1611.749107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1611.758448] Call Trace: [ 1611.761023] dump_stack+0x1b2/0x281 [ 1611.764652] should_fail.cold+0x10a/0x149 [ 1611.768808] ? sync_fs_one_sb+0xb1/0xe0 [ 1611.772776] should_failslab+0xd6/0x130 [ 1611.776741] kmem_cache_alloc_node+0x54/0x410 [ 1611.781230] create_task_io_context+0x2a/0x3c0 [ 1611.785813] generic_make_request_checks+0x1350/0x19f0 [ 1611.791111] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1611.795513] ? flush_workqueue+0x129/0x1310 [ 1611.799851] ? flush_workqueue+0x49b/0x1310 [ 1611.804156] generic_make_request+0x67/0x850 [ 1611.808547] ? mempool_alloc+0x10e/0x2d0 [ 1611.812590] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1611.818021] ? blk_queue_exit+0x1d0/0x1d0 [ 1611.822149] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1611.827332] ? kmem_cache_alloc+0x35f/0x3c0 [ 1611.831642] submit_bio+0x234/0x390 [ 1611.835256] ? generic_make_request+0x850/0x850 [ 1611.839906] ? __lockdep_init_map+0x100/0x560 [ 1611.844381] ? __lockdep_init_map+0x100/0x560 [ 1611.848856] submit_bio_wait+0xe8/0x140 [ 1611.852816] ? submit_bio_wait_endio+0xb0/0xb0 [ 1611.857389] blkdev_issue_flush+0x218/0x320 [ 1611.861689] ext4_sync_fs+0x46f/0x7e0 [ 1611.865480] ? bdev_try_to_free_page+0x150/0x150 [ 1611.870230] ? iterate_supers+0xda/0x490 [ 1611.874289] ? bdev_try_to_free_page+0x150/0x150 [ 1611.879036] ? vfs_fsync_range+0x260/0x260 [ 1611.883265] sync_fs_one_sb+0xb1/0xe0 [ 1611.887063] iterate_supers+0x124/0x490 [ 1611.891030] sys_sync+0x9a/0x130 [ 1611.894388] ? vfs_fsync+0x210/0x210 [ 1611.898090] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1611.903085] ? vfs_fsync+0x210/0x210 [ 1611.906782] do_syscall_64+0x1d5/0x640 [ 1611.910652] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1611.915827] RIP: 0033:0x7f3c6be997c9 [ 1611.919518] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1611.927203] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1611.934452] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1611.941742] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1611.948993] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1611.956413] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000019 [ 1611.963675] CPU: 0 PID: 10033 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1611.971644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1611.980991] Call Trace: [ 1611.983572] dump_stack+0x1b2/0x281 [ 1611.987197] should_fail.cold+0x10a/0x149 [ 1611.991327] should_failslab+0xd6/0x130 [ 1611.995281] kmem_cache_alloc+0x28e/0x3c0 [ 1611.999409] start_transaction+0x27c/0xf30 [ 1612.003657] ? vfs_fsync_range+0x260/0x260 [ 1612.007872] btrfs_attach_transaction_barrier+0x22/0x80 [ 1612.013214] btrfs_sync_fs+0xcd/0x430 [ 1612.016996] ? btrfs_freeze+0xb0/0xb0 [ 1612.020791] ? vfs_fsync_range+0x260/0x260 [ 1612.025001] sync_fs_one_sb+0xb1/0xe0 [ 1612.028870] iterate_supers+0x124/0x490 [ 1612.032825] sys_sync+0x9a/0x130 [ 1612.036170] ? vfs_fsync+0x210/0x210 [ 1612.039869] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1612.044866] ? vfs_fsync+0x210/0x210 [ 1612.048559] do_syscall_64+0x1d5/0x640 [ 1612.052433] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1612.057608] RIP: 0033:0x7f3c6be997c9 [ 1612.061294] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1612.068980] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1612.076230] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1612.083477] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1612.090723] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1612.097970] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000000a [ 1612.105242] CPU: 1 PID: 10023 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1612.110745] FAULT_INJECTION: forcing a failure. [ 1612.110745] name failslab, interval 1, probability 0, space 0, times 0 [ 1612.113217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1612.113220] Call Trace: [ 1612.113231] dump_stack+0x1b2/0x281 [ 1612.113244] should_fail.cold+0x10a/0x149 [ 1612.113253] ? sync_fs_one_sb+0xb1/0xe0 [ 1612.113263] should_failslab+0xd6/0x130 [ 1612.113273] kmem_cache_alloc_node+0x54/0x410 [ 1612.113286] create_task_io_context+0x2a/0x3c0 [ 1612.160982] generic_make_request_checks+0x1350/0x19f0 [ 1612.166241] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1612.170647] ? flush_workqueue+0x129/0x1310 [ 1612.174959] ? flush_workqueue+0x49b/0x1310 [ 1612.179276] generic_make_request+0x67/0x850 [ 1612.183688] ? mempool_alloc+0x10e/0x2d0 [ 1612.187735] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1612.193166] ? blk_queue_exit+0x1d0/0x1d0 [ 1612.197297] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1612.202298] ? kmem_cache_alloc+0x35f/0x3c0 [ 1612.206618] submit_bio+0x234/0x390 [ 1612.210237] ? generic_make_request+0x850/0x850 [ 1612.214891] ? __lockdep_init_map+0x100/0x560 [ 1612.219389] ? __lockdep_init_map+0x100/0x560 [ 1612.223883] submit_bio_wait+0xe8/0x140 [ 1612.227845] ? submit_bio_wait_endio+0xb0/0xb0 [ 1612.232415] blkdev_issue_flush+0x218/0x320 [ 1612.236736] ext4_sync_fs+0x46f/0x7e0 [ 1612.240524] ? bdev_try_to_free_page+0x150/0x150 [ 1612.245265] ? iterate_supers+0xda/0x490 [ 1612.249308] ? bdev_try_to_free_page+0x150/0x150 [ 1612.254043] ? vfs_fsync_range+0x260/0x260 [ 1612.258264] sync_fs_one_sb+0xb1/0xe0 [ 1612.262055] iterate_supers+0x124/0x490 [ 1612.266026] sys_sync+0x9a/0x130 [ 1612.269382] ? vfs_fsync+0x210/0x210 [ 1612.273081] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1612.278091] ? vfs_fsync+0x210/0x210 [ 1612.281806] do_syscall_64+0x1d5/0x640 [ 1612.285683] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1612.290852] RIP: 0033:0x7f3c6be997c9 executing program [ 1612.294556] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1612.302247] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1612.309500] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1612.316751] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1612.324004] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1612.331261] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000009 [ 1612.338530] CPU: 0 PID: 10039 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1612.346585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1612.355930] Call Trace: [ 1612.358519] dump_stack+0x1b2/0x281 [ 1612.362154] should_fail.cold+0x10a/0x149 [ 1612.366295] ? sync_fs_one_sb+0xb1/0xe0 [ 1612.370268] should_failslab+0xd6/0x130 [ 1612.374238] kmem_cache_alloc_node+0x54/0x410 [ 1612.378730] create_task_io_context+0x2a/0x3c0 [ 1612.381416] FAULT_INJECTION: forcing a failure. [ 1612.381416] name failslab, interval 1, probability 0, space 0, times 0 [ 1612.383304] generic_make_request_checks+0x1350/0x19f0 [ 1612.399737] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1612.404129] ? flush_workqueue+0x129/0x1310 [ 1612.408435] ? flush_workqueue+0x49b/0x1310 [ 1612.412739] generic_make_request+0x67/0x850 [ 1612.417144] ? mempool_alloc+0x10e/0x2d0 [ 1612.421184] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1612.426614] ? blk_queue_exit+0x1d0/0x1d0 [ 1612.430741] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1612.435744] ? kmem_cache_alloc+0x35f/0x3c0 [ 1612.440048] submit_bio+0x234/0x390 [ 1612.443654] ? generic_make_request+0x850/0x850 [ 1612.448300] ? __lockdep_init_map+0x100/0x560 [ 1612.452790] ? __lockdep_init_map+0x100/0x560 [ 1612.457271] submit_bio_wait+0xe8/0x140 [ 1612.461227] ? submit_bio_wait_endio+0xb0/0xb0 [ 1612.465797] blkdev_issue_flush+0x218/0x320 [ 1612.470100] ext4_sync_fs+0x46f/0x7e0 [ 1612.473885] ? bdev_try_to_free_page+0x150/0x150 [ 1612.478618] ? iterate_supers+0xda/0x490 [ 1612.482659] ? bdev_try_to_free_page+0x150/0x150 [ 1612.487405] ? vfs_fsync_range+0x260/0x260 [ 1612.491617] sync_fs_one_sb+0xb1/0xe0 [ 1612.495398] iterate_supers+0x124/0x490 [ 1612.499359] sys_sync+0x9a/0x130 [ 1612.502705] ? vfs_fsync+0x210/0x210 [ 1612.506400] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1612.511394] ? vfs_fsync+0x210/0x210 [ 1612.515098] do_syscall_64+0x1d5/0x640 [ 1612.518967] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1612.524139] RIP: 0033:0x7f3c6be997c9 [ 1612.527827] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1612.535514] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1612.542763] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1612.550010] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1612.557257] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1612.564519] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000000a [ 1612.571814] CPU: 1 PID: 10044 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1612.579770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1612.589210] Call Trace: [ 1612.591785] dump_stack+0x1b2/0x281 [ 1612.595394] should_fail.cold+0x10a/0x149 [ 1612.599523] ? sync_fs_one_sb+0xb1/0xe0 [ 1612.603475] should_failslab+0xd6/0x130 [ 1612.607431] kmem_cache_alloc_node+0x54/0x410 [ 1612.611928] create_task_io_context+0x2a/0x3c0 [ 1612.616487] generic_make_request_checks+0x1350/0x19f0 [ 1612.621745] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1612.626148] ? flush_workqueue+0x129/0x1310 [ 1612.630447] ? flush_workqueue+0x49b/0x1310 [ 1612.634751] generic_make_request+0x67/0x850 [ 1612.639142] ? mempool_alloc+0x10e/0x2d0 [ 1612.643180] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1612.648611] ? blk_queue_exit+0x1d0/0x1d0 [ 1612.652740] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1612.657733] ? kmem_cache_alloc+0x35f/0x3c0 [ 1612.662033] submit_bio+0x234/0x390 [ 1612.665640] ? generic_make_request+0x850/0x850 [ 1612.670284] ? __lockdep_init_map+0x100/0x560 [ 1612.674760] ? __lockdep_init_map+0x100/0x560 [ 1612.679252] submit_bio_wait+0xe8/0x140 [ 1612.683204] ? submit_bio_wait_endio+0xb0/0xb0 [ 1612.687770] blkdev_issue_flush+0x218/0x320 [ 1612.692092] ext4_sync_fs+0x46f/0x7e0 [ 1612.695872] ? bdev_try_to_free_page+0x150/0x150 [ 1612.700607] ? iterate_supers+0xda/0x490 [ 1612.704668] ? bdev_try_to_free_page+0x150/0x150 [ 1612.709401] ? vfs_fsync_range+0x260/0x260 [ 1612.713616] sync_fs_one_sb+0xb1/0xe0 [ 1612.717394] iterate_supers+0x124/0x490 [ 1612.721347] sys_sync+0x9a/0x130 [ 1612.724704] ? vfs_fsync+0x210/0x210 [ 1612.728412] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1612.733417] ? vfs_fsync+0x210/0x210 [ 1612.737111] do_syscall_64+0x1d5/0x640 [ 1612.740977] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program executing program [ 1612.746146] RIP: 0033:0x7f3c6be997c9 [ 1612.749833] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1612.757517] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1612.764767] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1612.772014] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1612.779259] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1612.786504] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000009 [ 1612.913404] FAULT_INJECTION: forcing a failure. [ 1612.913404] name failslab, interval 1, probability 0, space 0, times 0 [ 1612.930191] CPU: 0 PID: 10053 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1612.938199] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1612.947540] Call Trace: [ 1612.950174] dump_stack+0x1b2/0x281 [ 1612.953785] should_fail.cold+0x10a/0x149 [ 1612.957909] ? sync_fs_one_sb+0xb1/0xe0 [ 1612.961858] should_failslab+0xd6/0x130 [ 1612.965811] kmem_cache_alloc_node+0x54/0x410 [ 1612.970281] create_task_io_context+0x2a/0x3c0 [ 1612.974841] generic_make_request_checks+0x1350/0x19f0 [ 1612.980094] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1612.984481] ? flush_workqueue+0x129/0x1310 [ 1612.988777] ? flush_workqueue+0x49b/0x1310 [ 1612.993076] generic_make_request+0x67/0x850 [ 1612.997568] ? mempool_alloc+0x10e/0x2d0 [ 1613.001608] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1613.007035] ? blk_queue_exit+0x1d0/0x1d0 [ 1613.011157] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1613.016151] ? kmem_cache_alloc+0x35f/0x3c0 [ 1613.020448] submit_bio+0x234/0x390 [ 1613.024053] ? generic_make_request+0x850/0x850 [ 1613.028700] ? __lockdep_init_map+0x100/0x560 [ 1613.033193] ? __lockdep_init_map+0x100/0x560 [ 1613.037681] submit_bio_wait+0xe8/0x140 [ 1613.041633] ? submit_bio_wait_endio+0xb0/0xb0 [ 1613.046213] blkdev_issue_flush+0x218/0x320 [ 1613.050529] ext4_sync_fs+0x46f/0x7e0 [ 1613.054331] ? bdev_try_to_free_page+0x150/0x150 [ 1613.059074] ? iterate_supers+0xda/0x490 [ 1613.063112] ? bdev_try_to_free_page+0x150/0x150 [ 1613.067846] ? vfs_fsync_range+0x260/0x260 [ 1613.072060] sync_fs_one_sb+0xb1/0xe0 [ 1613.075836] iterate_supers+0x124/0x490 [ 1613.079787] sys_sync+0x9a/0x130 [ 1613.083128] ? vfs_fsync+0x210/0x210 [ 1613.086825] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1613.091813] ? vfs_fsync+0x210/0x210 [ 1613.095506] do_syscall_64+0x1d5/0x640 [ 1613.099397] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1613.104579] RIP: 0033:0x7f3c6be997c9 executing program [ 1613.108268] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1613.115960] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1613.123297] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1613.130638] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1613.137909] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1613.145174] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000000b executing program executing program [ 1613.193251] FAULT_INJECTION: forcing a failure. [ 1613.193251] name failslab, interval 1, probability 0, space 0, times 0 [ 1613.216830] CPU: 0 PID: 10050 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1613.224809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1613.234158] Call Trace: [ 1613.236744] dump_stack+0x1b2/0x281 [ 1613.240376] should_fail.cold+0x10a/0x149 [ 1613.244525] should_failslab+0xd6/0x130 [ 1613.248507] kmem_cache_alloc+0x28e/0x3c0 [ 1613.252653] start_transaction+0x27c/0xf30 [ 1613.256893] ? vfs_fsync_range+0x260/0x260 [ 1613.261125] btrfs_attach_transaction_barrier+0x22/0x80 [ 1613.266485] btrfs_sync_fs+0xcd/0x430 [ 1613.270280] ? btrfs_freeze+0xb0/0xb0 [ 1613.274076] ? vfs_fsync_range+0x260/0x260 [ 1613.278304] sync_fs_one_sb+0xb1/0xe0 [ 1613.282094] iterate_supers+0x124/0x490 [ 1613.286048] sys_sync+0x9a/0x130 [ 1613.289395] ? vfs_fsync+0x210/0x210 [ 1613.293087] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1613.298099] ? vfs_fsync+0x210/0x210 [ 1613.301788] do_syscall_64+0x1d5/0x640 [ 1613.305663] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1613.310828] RIP: 0033:0x7f3c6be997c9 [ 1613.314514] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1613.322201] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1613.329447] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1613.336693] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 executing program [ 1613.343941] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1613.351187] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000001a executing program [ 1613.393606] FAULT_INJECTION: forcing a failure. [ 1613.393606] name failslab, interval 1, probability 0, space 0, times 0 [ 1613.393702] FAULT_INJECTION: forcing a failure. [ 1613.393702] name failslab, interval 1, probability 0, space 0, times 0 [ 1613.416266] FAULT_INJECTION: forcing a failure. [ 1613.416266] name failslab, interval 1, probability 0, space 0, times 0 [ 1613.417586] CPU: 1 PID: 10075 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1613.428363] FAULT_INJECTION: forcing a failure. [ 1613.428363] name failslab, interval 1, probability 0, space 0, times 0 [ 1613.435498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1613.435502] Call Trace: [ 1613.435516] dump_stack+0x1b2/0x281 [ 1613.435528] should_fail.cold+0x10a/0x149 [ 1613.435537] ? sync_fs_one_sb+0xb1/0xe0 [ 1613.435552] should_failslab+0xd6/0x130 [ 1613.435562] kmem_cache_alloc_node+0x54/0x410 [ 1613.435573] create_task_io_context+0x2a/0x3c0 [ 1613.483309] generic_make_request_checks+0x1350/0x19f0 [ 1613.488570] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1613.492960] ? flush_workqueue+0x129/0x1310 [ 1613.497258] ? flush_workqueue+0x49b/0x1310 [ 1613.501572] generic_make_request+0x67/0x850 [ 1613.505961] ? mempool_alloc+0x10e/0x2d0 [ 1613.510000] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1613.515432] ? blk_queue_exit+0x1d0/0x1d0 [ 1613.519564] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1613.524559] ? kmem_cache_alloc+0x35f/0x3c0 [ 1613.528861] submit_bio+0x234/0x390 [ 1613.532495] ? generic_make_request+0x850/0x850 [ 1613.537145] ? __lockdep_init_map+0x100/0x560 [ 1613.541615] ? __lockdep_init_map+0x100/0x560 [ 1613.546092] submit_bio_wait+0xe8/0x140 [ 1613.550050] ? submit_bio_wait_endio+0xb0/0xb0 [ 1613.554637] blkdev_issue_flush+0x218/0x320 [ 1613.558954] ext4_sync_fs+0x46f/0x7e0 [ 1613.562771] ? bdev_try_to_free_page+0x150/0x150 [ 1613.567510] ? iterate_supers+0xda/0x490 [ 1613.571556] ? bdev_try_to_free_page+0x150/0x150 [ 1613.576292] ? vfs_fsync_range+0x260/0x260 [ 1613.580505] sync_fs_one_sb+0xb1/0xe0 [ 1613.584286] iterate_supers+0x124/0x490 [ 1613.588245] sys_sync+0x9a/0x130 [ 1613.591600] ? vfs_fsync+0x210/0x210 [ 1613.595300] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1613.600291] ? vfs_fsync+0x210/0x210 [ 1613.603987] do_syscall_64+0x1d5/0x640 [ 1613.607857] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1613.613023] RIP: 0033:0x7f3c6be997c9 [ 1613.616714] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1613.624401] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1613.631655] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1613.638921] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1613.646182] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1613.653460] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000000b [ 1613.660726] CPU: 0 PID: 10080 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1613.668656] FAULT_INJECTION: forcing a failure. [ 1613.668656] name failslab, interval 1, probability 0, space 0, times 0 [ 1613.668685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1613.668689] Call Trace: [ 1613.668700] dump_stack+0x1b2/0x281 [ 1613.668714] should_fail.cold+0x10a/0x149 [ 1613.699487] ? sync_fs_one_sb+0xb1/0xe0 [ 1613.703442] should_failslab+0xd6/0x130 [ 1613.707395] kmem_cache_alloc_node+0x54/0x410 [ 1613.711871] create_task_io_context+0x2a/0x3c0 [ 1613.716431] generic_make_request_checks+0x1350/0x19f0 [ 1613.721689] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1613.726179] ? flush_workqueue+0x129/0x1310 [ 1613.730479] ? flush_workqueue+0x49b/0x1310 [ 1613.734780] generic_make_request+0x67/0x850 [ 1613.739167] ? mempool_alloc+0x10e/0x2d0 [ 1613.743206] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1613.748636] ? blk_queue_exit+0x1d0/0x1d0 [ 1613.752760] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1613.757755] ? kmem_cache_alloc+0x35f/0x3c0 [ 1613.762058] submit_bio+0x234/0x390 [ 1613.765665] ? generic_make_request+0x850/0x850 [ 1613.770310] ? __lockdep_init_map+0x100/0x560 [ 1613.774781] ? __lockdep_init_map+0x100/0x560 [ 1613.779260] submit_bio_wait+0xe8/0x140 [ 1613.783215] ? submit_bio_wait_endio+0xb0/0xb0 [ 1613.787780] blkdev_issue_flush+0x218/0x320 [ 1613.792082] ext4_sync_fs+0x46f/0x7e0 [ 1613.795861] ? bdev_try_to_free_page+0x150/0x150 [ 1613.800594] ? iterate_supers+0xda/0x490 [ 1613.804637] ? bdev_try_to_free_page+0x150/0x150 [ 1613.809481] ? vfs_fsync_range+0x260/0x260 [ 1613.813696] sync_fs_one_sb+0xb1/0xe0 [ 1613.817475] iterate_supers+0x124/0x490 [ 1613.821433] sys_sync+0x9a/0x130 [ 1613.824780] ? vfs_fsync+0x210/0x210 [ 1613.828479] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1613.833471] ? vfs_fsync+0x210/0x210 [ 1613.837161] do_syscall_64+0x1d5/0x640 [ 1613.841032] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1613.846200] RIP: 0033:0x7f3c6be997c9 [ 1613.849888] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1613.857589] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1613.864835] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1613.872085] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1613.879332] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1613.886579] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000001b [ 1613.893838] CPU: 1 PID: 10083 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1613.901803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1613.911174] Call Trace: [ 1613.913757] dump_stack+0x1b2/0x281 [ 1613.917379] should_fail.cold+0x10a/0x149 [ 1613.921519] ? sync_fs_one_sb+0xb1/0xe0 [ 1613.925484] should_failslab+0xd6/0x130 [ 1613.929463] kmem_cache_alloc_node+0x54/0x410 [ 1613.933958] create_task_io_context+0x2a/0x3c0 [ 1613.938533] generic_make_request_checks+0x1350/0x19f0 [ 1613.943807] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1613.948204] ? flush_workqueue+0x129/0x1310 [ 1613.952513] ? flush_workqueue+0x49b/0x1310 [ 1613.956825] generic_make_request+0x67/0x850 [ 1613.961221] ? mempool_alloc+0x10e/0x2d0 [ 1613.965287] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1613.970725] ? blk_queue_exit+0x1d0/0x1d0 [ 1613.974859] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1613.979856] ? kmem_cache_alloc+0x35f/0x3c0 [ 1613.984160] submit_bio+0x234/0x390 [ 1613.987769] ? generic_make_request+0x850/0x850 [ 1613.992426] ? __lockdep_init_map+0x100/0x560 [ 1613.996903] ? __lockdep_init_map+0x100/0x560 [ 1614.001389] submit_bio_wait+0xe8/0x140 [ 1614.005341] ? submit_bio_wait_endio+0xb0/0xb0 [ 1614.009916] blkdev_issue_flush+0x218/0x320 [ 1614.014223] ext4_sync_fs+0x46f/0x7e0 [ 1614.018009] ? bdev_try_to_free_page+0x150/0x150 [ 1614.022747] ? iterate_supers+0xda/0x490 [ 1614.026797] ? bdev_try_to_free_page+0x150/0x150 [ 1614.031540] ? vfs_fsync_range+0x260/0x260 [ 1614.035755] sync_fs_one_sb+0xb1/0xe0 [ 1614.039555] iterate_supers+0x124/0x490 [ 1614.043513] sys_sync+0x9a/0x130 [ 1614.046856] ? vfs_fsync+0x210/0x210 [ 1614.050558] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1614.055570] ? vfs_fsync+0x210/0x210 [ 1614.059277] do_syscall_64+0x1d5/0x640 [ 1614.063146] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1614.068319] RIP: 0033:0x7f3c6be997c9 [ 1614.072025] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1614.079712] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1614.086963] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1614.094216] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1614.101463] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1614.108713] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000000a [ 1614.115972] CPU: 0 PID: 10069 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1614.123939] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1614.133279] Call Trace: [ 1614.135847] dump_stack+0x1b2/0x281 [ 1614.139454] should_fail.cold+0x10a/0x149 [ 1614.143672] ? sync_fs_one_sb+0xb1/0xe0 [ 1614.147626] should_failslab+0xd6/0x130 [ 1614.151583] kmem_cache_alloc_node+0x54/0x410 [ 1614.156058] create_task_io_context+0x2a/0x3c0 [ 1614.160621] generic_make_request_checks+0x1350/0x19f0 [ 1614.165876] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1614.170263] ? flush_workqueue+0x129/0x1310 [ 1614.174587] ? flush_workqueue+0x49b/0x1310 [ 1614.179248] generic_make_request+0x67/0x850 [ 1614.183638] ? mempool_alloc+0x10e/0x2d0 [ 1614.187678] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1614.193105] ? blk_queue_exit+0x1d0/0x1d0 [ 1614.197230] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1614.202226] ? kmem_cache_alloc+0x35f/0x3c0 [ 1614.206528] submit_bio+0x234/0x390 [ 1614.210143] ? generic_make_request+0x850/0x850 [ 1614.214798] ? __lockdep_init_map+0x100/0x560 [ 1614.219271] ? __lockdep_init_map+0x100/0x560 [ 1614.223748] submit_bio_wait+0xe8/0x140 [ 1614.227705] ? submit_bio_wait_endio+0xb0/0xb0 [ 1614.232270] blkdev_issue_flush+0x218/0x320 [ 1614.236572] ext4_sync_fs+0x46f/0x7e0 [ 1614.240352] ? bdev_try_to_free_page+0x150/0x150 [ 1614.245099] ? iterate_supers+0xda/0x490 [ 1614.249152] ? bdev_try_to_free_page+0x150/0x150 [ 1614.253890] ? vfs_fsync_range+0x260/0x260 [ 1614.258123] sync_fs_one_sb+0xb1/0xe0 [ 1614.261916] iterate_supers+0x124/0x490 [ 1614.265876] sys_sync+0x9a/0x130 [ 1614.269226] ? vfs_fsync+0x210/0x210 [ 1614.272923] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1614.277921] ? vfs_fsync+0x210/0x210 [ 1614.281614] do_syscall_64+0x1d5/0x640 [ 1614.285491] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1614.290669] RIP: 0033:0x7f3c6be997c9 [ 1614.294358] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1614.302051] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1614.309312] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1614.316564] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1614.323813] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1614.331152] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000000a [ 1614.338443] CPU: 1 PID: 10070 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1614.346410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1614.355757] Call Trace: [ 1614.358338] dump_stack+0x1b2/0x281 [ 1614.361947] should_fail.cold+0x10a/0x149 [ 1614.366073] should_failslab+0xd6/0x130 [ 1614.370025] kmem_cache_alloc+0x28e/0x3c0 [ 1614.374157] start_transaction+0x27c/0xf30 [ 1614.378399] ? vfs_fsync_range+0x260/0x260 [ 1614.382613] btrfs_attach_transaction_barrier+0x22/0x80 [ 1614.387972] btrfs_sync_fs+0xcd/0x430 [ 1614.391759] ? btrfs_freeze+0xb0/0xb0 [ 1614.395536] ? vfs_fsync_range+0x260/0x260 [ 1614.399747] sync_fs_one_sb+0xb1/0xe0 [ 1614.403538] iterate_supers+0x124/0x490 [ 1614.407518] sys_sync+0x9a/0x130 [ 1614.410866] ? vfs_fsync+0x210/0x210 [ 1614.414567] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1614.419578] ? vfs_fsync+0x210/0x210 [ 1614.423268] do_syscall_64+0x1d5/0x640 [ 1614.427143] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1614.432316] RIP: 0033:0x7f3c6be997c9 [ 1614.436004] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 executing program [ 1614.443697] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1614.450941] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1614.458190] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1614.465444] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1614.472704] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000000b executing program executing program [ 1614.653615] FAULT_INJECTION: forcing a failure. [ 1614.653615] name failslab, interval 1, probability 0, space 0, times 0 [ 1614.665059] FAULT_INJECTION: forcing a failure. [ 1614.665059] name failslab, interval 1, probability 0, space 0, times 0 [ 1614.670711] CPU: 0 PID: 10090 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1614.684192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1614.693528] Call Trace: [ 1614.696103] dump_stack+0x1b2/0x281 [ 1614.699713] should_fail.cold+0x10a/0x149 [ 1614.703840] ? sync_fs_one_sb+0xb1/0xe0 [ 1614.707799] should_failslab+0xd6/0x130 [ 1614.711776] kmem_cache_alloc_node+0x54/0x410 [ 1614.716254] create_task_io_context+0x2a/0x3c0 [ 1614.720822] generic_make_request_checks+0x1350/0x19f0 [ 1614.726078] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1614.730466] ? flush_workqueue+0x129/0x1310 [ 1614.734765] ? flush_workqueue+0x49b/0x1310 [ 1614.739067] generic_make_request+0x67/0x850 [ 1614.743458] ? mempool_alloc+0x10e/0x2d0 [ 1614.747499] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1614.752947] ? blk_queue_exit+0x1d0/0x1d0 [ 1614.757072] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1614.762065] ? kmem_cache_alloc+0x35f/0x3c0 [ 1614.766366] submit_bio+0x234/0x390 [ 1614.769971] ? generic_make_request+0x850/0x850 [ 1614.774619] ? __lockdep_init_map+0x100/0x560 [ 1614.779093] ? __lockdep_init_map+0x100/0x560 [ 1614.783656] submit_bio_wait+0xe8/0x140 [ 1614.787610] ? submit_bio_wait_endio+0xb0/0xb0 [ 1614.792191] blkdev_issue_flush+0x218/0x320 [ 1614.796493] ext4_sync_fs+0x46f/0x7e0 [ 1614.800274] ? bdev_try_to_free_page+0x150/0x150 [ 1614.805005] ? iterate_supers+0xda/0x490 [ 1614.809047] ? bdev_try_to_free_page+0x150/0x150 [ 1614.813781] ? vfs_fsync_range+0x260/0x260 [ 1614.817993] sync_fs_one_sb+0xb1/0xe0 [ 1614.821791] iterate_supers+0x124/0x490 [ 1614.825774] sys_sync+0x9a/0x130 [ 1614.829118] ? vfs_fsync+0x210/0x210 [ 1614.832814] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1614.837807] ? vfs_fsync+0x210/0x210 [ 1614.841497] do_syscall_64+0x1d5/0x640 [ 1614.845367] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1614.850536] RIP: 0033:0x7f3c6be997c9 [ 1614.854224] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1614.861909] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1614.869160] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1614.876407] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1614.883654] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1614.890900] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000001c [ 1614.898161] CPU: 1 PID: 10102 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1614.901175] FAULT_INJECTION: forcing a failure. [ 1614.901175] name failslab, interval 1, probability 0, space 0, times 0 [ 1614.906122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1614.926619] Call Trace: [ 1614.929204] dump_stack+0x1b2/0x281 [ 1614.932826] should_fail.cold+0x10a/0x149 [ 1614.936966] ? sync_fs_one_sb+0xb1/0xe0 [ 1614.940931] should_failslab+0xd6/0x130 [ 1614.944902] kmem_cache_alloc_node+0x54/0x410 [ 1614.949427] create_task_io_context+0x2a/0x3c0 [ 1614.954008] generic_make_request_checks+0x1350/0x19f0 [ 1614.959271] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1614.963682] ? flush_workqueue+0x129/0x1310 [ 1614.967997] ? flush_workqueue+0x49b/0x1310 [ 1614.972303] generic_make_request+0x67/0x850 [ 1614.976706] ? mempool_alloc+0x10e/0x2d0 [ 1614.980754] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1614.986194] ? blk_queue_exit+0x1d0/0x1d0 [ 1614.990332] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1614.995335] ? kmem_cache_alloc+0x35f/0x3c0 [ 1614.999646] submit_bio+0x234/0x390 [ 1615.003260] ? generic_make_request+0x850/0x850 [ 1615.007913] ? __lockdep_init_map+0x100/0x560 [ 1615.012390] ? __lockdep_init_map+0x100/0x560 [ 1615.016870] submit_bio_wait+0xe8/0x140 [ 1615.020825] ? submit_bio_wait_endio+0xb0/0xb0 [ 1615.025395] blkdev_issue_flush+0x218/0x320 [ 1615.029704] ext4_sync_fs+0x46f/0x7e0 [ 1615.033486] ? bdev_try_to_free_page+0x150/0x150 [ 1615.038217] ? iterate_supers+0xda/0x490 [ 1615.042266] ? bdev_try_to_free_page+0x150/0x150 [ 1615.047009] ? vfs_fsync_range+0x260/0x260 [ 1615.051229] sync_fs_one_sb+0xb1/0xe0 [ 1615.055014] iterate_supers+0x124/0x490 [ 1615.058970] sys_sync+0x9a/0x130 [ 1615.062324] ? vfs_fsync+0x210/0x210 [ 1615.066026] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1615.071019] ? vfs_fsync+0x210/0x210 [ 1615.074715] do_syscall_64+0x1d5/0x640 [ 1615.078584] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1615.083754] RIP: 0033:0x7f3c6be997c9 [ 1615.087448] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1615.095142] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 executing program [ 1615.102402] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1615.109658] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1615.116908] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1615.124163] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000000c executing program [ 1615.159513] CPU: 0 PID: 10109 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1615.167495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1615.176840] Call Trace: [ 1615.179432] dump_stack+0x1b2/0x281 [ 1615.183058] should_fail.cold+0x10a/0x149 [ 1615.187203] should_failslab+0xd6/0x130 [ 1615.191172] kmem_cache_alloc+0x28e/0x3c0 [ 1615.195318] start_transaction+0x27c/0xf30 [ 1615.199555] ? vfs_fsync_range+0x260/0x260 [ 1615.203785] btrfs_attach_transaction_barrier+0x22/0x80 [ 1615.209144] btrfs_sync_fs+0xcd/0x430 [ 1615.212942] ? btrfs_freeze+0xb0/0xb0 [ 1615.216735] ? vfs_fsync_range+0x260/0x260 [ 1615.220966] sync_fs_one_sb+0xb1/0xe0 [ 1615.224765] iterate_supers+0x124/0x490 [ 1615.228739] sys_sync+0x9a/0x130 [ 1615.232104] ? vfs_fsync+0x210/0x210 [ 1615.235820] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1615.240833] ? vfs_fsync+0x210/0x210 [ 1615.244536] do_syscall_64+0x1d5/0x640 [ 1615.248411] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1615.253582] RIP: 0033:0x7f3c6be997c9 [ 1615.257269] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1615.264953] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1615.272199] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1615.279468] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1615.286723] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1615.293979] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000000c executing program [ 1615.342235] FAULT_INJECTION: forcing a failure. [ 1615.342235] name failslab, interval 1, probability 0, space 0, times 0 [ 1615.364179] CPU: 0 PID: 10113 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1615.372165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1615.381512] Call Trace: [ 1615.384099] dump_stack+0x1b2/0x281 [ 1615.387727] should_fail.cold+0x10a/0x149 [ 1615.391881] ? sync_fs_one_sb+0xb1/0xe0 [ 1615.395856] should_failslab+0xd6/0x130 [ 1615.399837] kmem_cache_alloc_node+0x54/0x410 [ 1615.404331] create_task_io_context+0x2a/0x3c0 [ 1615.408895] generic_make_request_checks+0x1350/0x19f0 [ 1615.414159] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1615.418559] ? flush_workqueue+0x129/0x1310 [ 1615.422871] ? flush_workqueue+0x49b/0x1310 [ 1615.427174] generic_make_request+0x67/0x850 [ 1615.431560] ? mempool_alloc+0x10e/0x2d0 [ 1615.435598] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1615.441038] ? blk_queue_exit+0x1d0/0x1d0 [ 1615.445170] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1615.450183] ? kmem_cache_alloc+0x35f/0x3c0 [ 1615.454486] submit_bio+0x234/0x390 [ 1615.458088] ? generic_make_request+0x850/0x850 [ 1615.462733] ? __lockdep_init_map+0x100/0x560 [ 1615.467208] ? __lockdep_init_map+0x100/0x560 [ 1615.471690] submit_bio_wait+0xe8/0x140 [ 1615.475640] ? submit_bio_wait_endio+0xb0/0xb0 [ 1615.480204] blkdev_issue_flush+0x218/0x320 [ 1615.484505] ext4_sync_fs+0x46f/0x7e0 [ 1615.488283] ? bdev_try_to_free_page+0x150/0x150 [ 1615.493030] ? iterate_supers+0xda/0x490 [ 1615.497068] ? bdev_try_to_free_page+0x150/0x150 [ 1615.501816] ? vfs_fsync_range+0x260/0x260 [ 1615.506027] sync_fs_one_sb+0xb1/0xe0 [ 1615.509803] iterate_supers+0x124/0x490 [ 1615.513754] sys_sync+0x9a/0x130 [ 1615.517095] ? vfs_fsync+0x210/0x210 [ 1615.520801] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1615.525791] ? vfs_fsync+0x210/0x210 [ 1615.529484] do_syscall_64+0x1d5/0x640 [ 1615.533376] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1615.538549] RIP: 0033:0x7f3c6be997c9 [ 1615.542237] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1615.549936] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1615.557191] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1615.564438] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1615.571695] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1615.578942] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000000b [ 1615.592041] BTRFS info (device loop0): disabling disk space caching [ 1615.598462] BTRFS info (device loop0): has skinny extents executing program [ 1615.645217] BTRFS info (device loop0): checking UUID tree [ 1615.653950] BTRFS warning (device loop0): btrfs_uuid_scan_kthread failed -28 [ 1615.703941] FAULT_INJECTION: forcing a failure. [ 1615.703941] name failslab, interval 1, probability 0, space 0, times 0 [ 1615.708040] FAULT_INJECTION: forcing a failure. [ 1615.708040] name failslab, interval 1, probability 0, space 0, times 0 [ 1615.715394] FAULT_INJECTION: forcing a failure. [ 1615.715394] name failslab, interval 1, probability 0, space 0, times 0 [ 1615.732859] CPU: 0 PID: 10128 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1615.745588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1615.754921] Call Trace: [ 1615.757495] dump_stack+0x1b2/0x281 [ 1615.761105] should_fail.cold+0x10a/0x149 [ 1615.765233] ? sync_fs_one_sb+0xb1/0xe0 [ 1615.769188] should_failslab+0xd6/0x130 [ 1615.773141] kmem_cache_alloc_node+0x54/0x410 [ 1615.777620] create_task_io_context+0x2a/0x3c0 [ 1615.782189] generic_make_request_checks+0x1350/0x19f0 [ 1615.787452] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1615.791845] ? flush_workqueue+0x129/0x1310 [ 1615.796148] ? trace_hardirqs_on+0x10/0x10 [ 1615.800362] generic_make_request+0x67/0x850 [ 1615.804750] ? mempool_alloc+0x10e/0x2d0 [ 1615.808790] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1615.814218] ? blk_queue_exit+0x1d0/0x1d0 [ 1615.818348] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1615.823343] ? kmem_cache_alloc+0x35f/0x3c0 [ 1615.827647] submit_bio+0x234/0x390 [ 1615.831253] ? generic_make_request+0x850/0x850 [ 1615.835899] ? __lockdep_init_map+0x100/0x560 [ 1615.840373] ? __lockdep_init_map+0x100/0x560 [ 1615.844853] submit_bio_wait+0xe8/0x140 [ 1615.848809] ? submit_bio_wait_endio+0xb0/0xb0 [ 1615.853376] blkdev_issue_flush+0x218/0x320 [ 1615.857679] ext4_sync_fs+0x46f/0x7e0 [ 1615.861474] ? bdev_try_to_free_page+0x150/0x150 [ 1615.866212] ? iterate_supers+0xda/0x490 [ 1615.870253] ? bdev_try_to_free_page+0x150/0x150 [ 1615.874990] ? vfs_fsync_range+0x260/0x260 [ 1615.879201] sync_fs_one_sb+0xb1/0xe0 [ 1615.882978] iterate_supers+0x124/0x490 [ 1615.886933] sys_sync+0x9a/0x130 [ 1615.890279] ? vfs_fsync+0x210/0x210 [ 1615.893996] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1615.898992] ? vfs_fsync+0x210/0x210 [ 1615.902684] do_syscall_64+0x1d5/0x640 [ 1615.906557] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1615.911727] RIP: 0033:0x7f3c6be997c9 [ 1615.915425] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1615.923121] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1615.930388] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1615.937635] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1615.944882] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1615.952128] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000000c [ 1615.959390] CPU: 1 PID: 10116 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1615.967355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1615.976699] Call Trace: [ 1615.979282] dump_stack+0x1b2/0x281 [ 1615.982909] should_fail.cold+0x10a/0x149 [ 1615.987053] should_failslab+0xd6/0x130 [ 1615.991024] kmem_cache_alloc+0x28e/0x3c0 [ 1615.995168] start_transaction+0x27c/0xf30 [ 1615.999406] ? vfs_fsync_range+0x260/0x260 [ 1616.003631] btrfs_attach_transaction_barrier+0x22/0x80 [ 1616.008977] btrfs_sync_fs+0xcd/0x430 [ 1616.012755] ? btrfs_freeze+0xb0/0xb0 [ 1616.016549] ? vfs_fsync_range+0x260/0x260 [ 1616.020759] sync_fs_one_sb+0xb1/0xe0 [ 1616.024538] iterate_supers+0x124/0x490 [ 1616.028493] sys_sync+0x9a/0x130 [ 1616.031849] ? vfs_fsync+0x210/0x210 [ 1616.035557] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1616.040548] ? vfs_fsync+0x210/0x210 [ 1616.044251] do_syscall_64+0x1d5/0x640 [ 1616.048121] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1616.053299] RIP: 0033:0x7f3c6be997c9 [ 1616.056998] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1616.064684] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1616.071930] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1616.079191] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1616.086448] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1616.093699] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000000b [ 1616.114072] CPU: 1 PID: 10157 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1616.122056] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1616.131399] Call Trace: [ 1616.133986] dump_stack+0x1b2/0x281 [ 1616.137616] should_fail.cold+0x10a/0x149 [ 1616.141762] ? lock_downgrade+0x740/0x740 [ 1616.145909] ? mempool_free+0x1d0/0x1d0 [ 1616.149881] should_failslab+0xd6/0x130 [ 1616.153853] kmem_cache_alloc+0x40/0x3c0 [ 1616.157901] ? mempool_free+0x1d0/0x1d0 [ 1616.161863] mempool_alloc+0x10e/0x2d0 [ 1616.165757] ? remove_element.isra.0+0x1b0/0x1b0 [ 1616.170512] ? flush_workqueue+0x40e/0x1310 [ 1616.174836] ? check_preemption_disabled+0x35/0x240 [ 1616.179852] bio_alloc_bioset+0x41b/0x830 [ 1616.184000] ? bvec_alloc+0x2d0/0x2d0 [ 1616.187805] blkdev_issue_flush+0xeb/0x320 [ 1616.192038] ext4_sync_fs+0x46f/0x7e0 [ 1616.195864] ? bdev_try_to_free_page+0x150/0x150 [ 1616.200613] ? iterate_supers+0xda/0x490 [ 1616.204671] ? bdev_try_to_free_page+0x150/0x150 [ 1616.209420] ? vfs_fsync_range+0x260/0x260 [ 1616.213632] sync_fs_one_sb+0xb1/0xe0 [ 1616.217414] iterate_supers+0x124/0x490 [ 1616.221369] sys_sync+0x9a/0x130 [ 1616.224715] ? vfs_fsync+0x210/0x210 [ 1616.228425] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1616.233419] ? vfs_fsync+0x210/0x210 [ 1616.237111] do_syscall_64+0x1d5/0x640 [ 1616.241013] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1616.246192] RIP: 0033:0x7f3c6be997c9 [ 1616.249891] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1616.257677] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 executing program executing program [ 1616.264952] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1616.272203] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1616.279461] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1616.286713] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000001d executing program executing program [ 1616.401320] FAULT_INJECTION: forcing a failure. [ 1616.401320] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 1616.413133] CPU: 1 PID: 10178 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1616.421095] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1616.421651] FAULT_INJECTION: forcing a failure. [ 1616.421651] name failslab, interval 1, probability 0, space 0, times 0 [ 1616.430435] Call Trace: [ 1616.430449] dump_stack+0x1b2/0x281 [ 1616.430463] should_fail.cold+0x10a/0x149 [ 1616.430476] __alloc_pages_nodemask+0x22c/0x2720 [ 1616.456702] ? __lock_acquire+0x5fc/0x3f20 [ 1616.460919] ? static_obj+0x50/0x50 [ 1616.464530] ? __lock_acquire+0x5fc/0x3f20 [ 1616.468746] ? __lock_acquire+0x5fc/0x3f20 [ 1616.472962] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1616.477789] ? trace_hardirqs_on+0x10/0x10 [ 1616.482009] ? trace_hardirqs_on+0x10/0x10 [ 1616.486222] ? lock_acquire+0x170/0x3f0 [ 1616.490175] ? flush_workqueue+0x129/0x1310 [ 1616.494493] cache_grow_begin+0x91/0x700 [ 1616.498561] ? flush_workqueue+0x49b/0x1310 [ 1616.502876] ? check_preemption_disabled+0x35/0x240 [ 1616.507891] cache_alloc_refill+0x273/0x350 [ 1616.512212] kmem_cache_alloc+0x333/0x3c0 [ 1616.516375] ? mempool_free+0x1d0/0x1d0 [ 1616.520338] mempool_alloc+0x10e/0x2d0 [ 1616.524215] ? remove_element.isra.0+0x1b0/0x1b0 [ 1616.528965] ? flush_workqueue+0x40e/0x1310 [ 1616.533282] ? check_preemption_disabled+0x35/0x240 [ 1616.538296] bio_alloc_bioset+0x41b/0x830 [ 1616.542436] ? bvec_alloc+0x2d0/0x2d0 [ 1616.546232] blkdev_issue_flush+0xeb/0x320 [ 1616.550451] ext4_sync_fs+0x46f/0x7e0 [ 1616.554236] ? bdev_try_to_free_page+0x150/0x150 [ 1616.558971] ? iterate_supers+0xda/0x490 [ 1616.563023] ? bdev_try_to_free_page+0x150/0x150 [ 1616.567770] ? vfs_fsync_range+0x260/0x260 [ 1616.572005] sync_fs_one_sb+0xb1/0xe0 [ 1616.575787] iterate_supers+0x124/0x490 [ 1616.579753] sys_sync+0x9a/0x130 [ 1616.583097] ? vfs_fsync+0x210/0x210 [ 1616.586796] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1616.591811] ? vfs_fsync+0x210/0x210 [ 1616.595505] do_syscall_64+0x1d5/0x640 [ 1616.599378] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1616.604632] RIP: 0033:0x7f3c6be997c9 [ 1616.608619] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1616.616309] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1616.623575] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1616.630841] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1616.638088] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1616.645342] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000001e executing program [ 1616.652604] CPU: 0 PID: 10167 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1616.660562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1616.669897] Call Trace: [ 1616.672259] FAULT_INJECTION: forcing a failure. [ 1616.672259] name failslab, interval 1, probability 0, space 0, times 0 [ 1616.672475] dump_stack+0x1b2/0x281 [ 1616.687258] should_fail.cold+0x10a/0x149 [ 1616.691392] ? sync_fs_one_sb+0xb1/0xe0 [ 1616.695369] should_failslab+0xd6/0x130 [ 1616.699324] kmem_cache_alloc_node+0x54/0x410 [ 1616.703802] create_task_io_context+0x2a/0x3c0 [ 1616.708365] generic_make_request_checks+0x1350/0x19f0 [ 1616.713625] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1616.718013] ? flush_workqueue+0x129/0x1310 [ 1616.722315] ? flush_workqueue+0x49b/0x1310 [ 1616.726617] generic_make_request+0x67/0x850 [ 1616.731007] ? mempool_alloc+0x10e/0x2d0 [ 1616.735150] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1616.740577] ? blk_queue_exit+0x1d0/0x1d0 [ 1616.744705] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1616.749700] ? kmem_cache_alloc+0x35f/0x3c0 [ 1616.754001] submit_bio+0x234/0x390 [ 1616.757608] ? generic_make_request+0x850/0x850 [ 1616.762256] ? __lockdep_init_map+0x100/0x560 [ 1616.766739] ? __lockdep_init_map+0x100/0x560 [ 1616.771232] submit_bio_wait+0xe8/0x140 [ 1616.775186] ? submit_bio_wait_endio+0xb0/0xb0 [ 1616.779753] blkdev_issue_flush+0x218/0x320 [ 1616.784063] ext4_sync_fs+0x46f/0x7e0 [ 1616.787863] ? bdev_try_to_free_page+0x150/0x150 [ 1616.792595] ? iterate_supers+0xda/0x490 [ 1616.796636] ? bdev_try_to_free_page+0x150/0x150 [ 1616.801371] ? vfs_fsync_range+0x260/0x260 [ 1616.805582] sync_fs_one_sb+0xb1/0xe0 [ 1616.809362] iterate_supers+0x124/0x490 [ 1616.813316] sys_sync+0x9a/0x130 [ 1616.816663] ? vfs_fsync+0x210/0x210 [ 1616.820360] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1616.825357] ? vfs_fsync+0x210/0x210 [ 1616.829051] do_syscall_64+0x1d5/0x640 [ 1616.832922] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1616.838089] RIP: 0033:0x7f3c6be997c9 [ 1616.841778] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1616.849468] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1616.856722] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1616.863980] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1616.871231] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1616.878481] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000000d [ 1616.885743] CPU: 1 PID: 10188 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1616.891017] FAULT_INJECTION: forcing a failure. [ 1616.891017] name failslab, interval 1, probability 0, space 0, times 0 [ 1616.893709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1616.904949] FAULT_INJECTION: forcing a failure. [ 1616.904949] name failslab, interval 1, probability 0, space 0, times 0 [ 1616.914194] Call Trace: [ 1616.914207] dump_stack+0x1b2/0x281 [ 1616.914219] should_fail.cold+0x10a/0x149 [ 1616.914229] should_failslab+0xd6/0x130 [ 1616.914241] kmem_cache_alloc+0x28e/0x3c0 [ 1616.943794] start_transaction+0x27c/0xf30 [ 1616.948118] ? vfs_fsync_range+0x260/0x260 [ 1616.952343] btrfs_attach_transaction_barrier+0x22/0x80 [ 1616.957695] btrfs_sync_fs+0xcd/0x430 [ 1616.961484] ? btrfs_freeze+0xb0/0xb0 [ 1616.965272] ? vfs_fsync_range+0x260/0x260 [ 1616.969497] sync_fs_one_sb+0xb1/0xe0 [ 1616.973281] iterate_supers+0x124/0x490 [ 1616.977244] sys_sync+0x9a/0x130 [ 1616.980627] ? vfs_fsync+0x210/0x210 [ 1616.984329] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1616.989328] ? vfs_fsync+0x210/0x210 [ 1616.993023] do_syscall_64+0x1d5/0x640 [ 1616.996892] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1617.002062] RIP: 0033:0x7f3c6be997c9 [ 1617.005751] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1617.013441] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1617.020688] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1617.027956] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1617.035203] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1617.042455] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000001f executing program [ 1617.049714] CPU: 0 PID: 10181 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1617.057676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1617.067019] Call Trace: [ 1617.069600] dump_stack+0x1b2/0x281 [ 1617.073223] should_fail.cold+0x10a/0x149 [ 1617.077373] should_failslab+0xd6/0x130 [ 1617.081347] kmem_cache_alloc+0x28e/0x3c0 [ 1617.085491] start_transaction+0x27c/0xf30 [ 1617.089729] ? vfs_fsync_range+0x260/0x260 [ 1617.093956] btrfs_attach_transaction_barrier+0x22/0x80 [ 1617.099315] btrfs_sync_fs+0xcd/0x430 [ 1617.103109] ? btrfs_freeze+0xb0/0xb0 [ 1617.106901] ? vfs_fsync_range+0x260/0x260 [ 1617.111128] sync_fs_one_sb+0xb1/0xe0 [ 1617.114920] iterate_supers+0x124/0x490 [ 1617.118887] sys_sync+0x9a/0x130 [ 1617.122254] ? vfs_fsync+0x210/0x210 [ 1617.125964] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1617.130972] ? vfs_fsync+0x210/0x210 [ 1617.134670] do_syscall_64+0x1d5/0x640 [ 1617.138546] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1617.143717] RIP: 0033:0x7f3c6be997c9 [ 1617.147409] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1617.155094] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1617.162345] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1617.169593] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1617.176842] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1617.184105] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000000c [ 1617.191364] CPU: 1 PID: 10171 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1617.199327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1617.208668] Call Trace: [ 1617.211251] dump_stack+0x1b2/0x281 [ 1617.214883] should_fail.cold+0x10a/0x149 [ 1617.219030] should_failslab+0xd6/0x130 [ 1617.223005] kmem_cache_alloc+0x28e/0x3c0 [ 1617.227147] start_transaction+0x27c/0xf30 [ 1617.231385] ? vfs_fsync_range+0x260/0x260 [ 1617.235613] btrfs_attach_transaction_barrier+0x22/0x80 [ 1617.240975] btrfs_sync_fs+0xcd/0x430 [ 1617.244766] ? btrfs_freeze+0xb0/0xb0 [ 1617.248545] ? vfs_fsync_range+0x260/0x260 [ 1617.252756] sync_fs_one_sb+0xb1/0xe0 [ 1617.256542] iterate_supers+0x124/0x490 [ 1617.260503] sys_sync+0x9a/0x130 [ 1617.263849] ? vfs_fsync+0x210/0x210 [ 1617.267556] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1617.272552] ? vfs_fsync+0x210/0x210 [ 1617.276245] do_syscall_64+0x1d5/0x640 [ 1617.280119] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1617.285286] RIP: 0033:0x7f3c6be997c9 [ 1617.288971] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1617.296661] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 executing program [ 1617.303913] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1617.311249] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1617.318498] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1617.325744] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000000d [ 1617.338031] FAULT_INJECTION: forcing a failure. [ 1617.338031] name failslab, interval 1, probability 0, space 0, times 0 [ 1617.350014] FAULT_INJECTION: forcing a failure. [ 1617.350014] name failslab, interval 1, probability 0, space 0, times 0 [ 1617.363896] CPU: 1 PID: 10192 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1617.371868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1617.381212] Call Trace: [ 1617.383798] dump_stack+0x1b2/0x281 [ 1617.387420] should_fail.cold+0x10a/0x149 [ 1617.391564] ? sync_fs_one_sb+0xb1/0xe0 [ 1617.395533] should_failslab+0xd6/0x130 [ 1617.399506] kmem_cache_alloc_node+0x54/0x410 [ 1617.404000] create_task_io_context+0x2a/0x3c0 [ 1617.408576] generic_make_request_checks+0x1350/0x19f0 [ 1617.413852] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1617.418253] ? flush_workqueue+0x129/0x1310 [ 1617.422565] ? flush_workqueue+0x49b/0x1310 [ 1617.426880] generic_make_request+0x67/0x850 [ 1617.431282] ? mempool_alloc+0x10e/0x2d0 [ 1617.435328] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1617.440758] ? blk_queue_exit+0x1d0/0x1d0 [ 1617.444890] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1617.449886] ? kmem_cache_alloc+0x35f/0x3c0 [ 1617.454191] submit_bio+0x234/0x390 [ 1617.457800] ? generic_make_request+0x850/0x850 [ 1617.462452] ? __lockdep_init_map+0x100/0x560 [ 1617.466931] ? __lockdep_init_map+0x100/0x560 [ 1617.471411] submit_bio_wait+0xe8/0x140 [ 1617.475366] ? submit_bio_wait_endio+0xb0/0xb0 [ 1617.479933] blkdev_issue_flush+0x218/0x320 [ 1617.484244] ext4_sync_fs+0x46f/0x7e0 [ 1617.488030] ? bdev_try_to_free_page+0x150/0x150 [ 1617.492762] ? iterate_supers+0xda/0x490 [ 1617.496802] ? bdev_try_to_free_page+0x150/0x150 [ 1617.501544] ? vfs_fsync_range+0x260/0x260 [ 1617.505762] sync_fs_one_sb+0xb1/0xe0 [ 1617.509560] iterate_supers+0x124/0x490 [ 1617.513514] sys_sync+0x9a/0x130 [ 1617.516862] ? vfs_fsync+0x210/0x210 [ 1617.520560] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1617.525563] ? vfs_fsync+0x210/0x210 [ 1617.529263] do_syscall_64+0x1d5/0x640 [ 1617.533132] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1617.538303] RIP: 0033:0x7f3c6be997c9 [ 1617.541992] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1617.549687] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1617.556937] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1617.564207] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1617.571475] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1617.578730] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000020 [ 1617.585996] CPU: 0 PID: 10195 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1617.593959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1617.603304] Call Trace: [ 1617.605882] dump_stack+0x1b2/0x281 [ 1617.609508] should_fail.cold+0x10a/0x149 [ 1617.613684] ? sync_fs_one_sb+0xb1/0xe0 [ 1617.617664] should_failslab+0xd6/0x130 [ 1617.621636] kmem_cache_alloc_node+0x54/0x410 [ 1617.626127] create_task_io_context+0x2a/0x3c0 [ 1617.630710] generic_make_request_checks+0x1350/0x19f0 [ 1617.635980] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1617.640376] ? flush_workqueue+0x129/0x1310 [ 1617.644683] ? flush_workqueue+0x49b/0x1310 [ 1617.648986] generic_make_request+0x67/0x850 [ 1617.653374] ? mempool_alloc+0x10e/0x2d0 [ 1617.657414] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1617.662841] ? blk_queue_exit+0x1d0/0x1d0 [ 1617.666965] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1617.671958] ? kmem_cache_alloc+0x35f/0x3c0 [ 1617.676262] submit_bio+0x234/0x390 [ 1617.679870] ? generic_make_request+0x850/0x850 [ 1617.684516] ? __lockdep_init_map+0x100/0x560 [ 1617.688988] ? __lockdep_init_map+0x100/0x560 [ 1617.693465] submit_bio_wait+0xe8/0x140 [ 1617.697419] ? submit_bio_wait_endio+0xb0/0xb0 [ 1617.701986] blkdev_issue_flush+0x218/0x320 [ 1617.706301] ext4_sync_fs+0x46f/0x7e0 [ 1617.710082] ? bdev_try_to_free_page+0x150/0x150 [ 1617.714829] ? iterate_supers+0xda/0x490 [ 1617.718869] ? bdev_try_to_free_page+0x150/0x150 [ 1617.723603] ? vfs_fsync_range+0x260/0x260 [ 1617.727814] sync_fs_one_sb+0xb1/0xe0 [ 1617.731595] iterate_supers+0x124/0x490 [ 1617.735550] sys_sync+0x9a/0x130 [ 1617.738895] ? vfs_fsync+0x210/0x210 [ 1617.742591] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1617.747584] ? vfs_fsync+0x210/0x210 [ 1617.751290] do_syscall_64+0x1d5/0x640 [ 1617.755176] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1617.760346] RIP: 0033:0x7f3c6be997c9 [ 1617.764035] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1617.771736] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1617.778982] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1617.786228] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1617.793478] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 executing program [ 1617.800724] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000000c executing program [ 1617.873412] FAULT_INJECTION: forcing a failure. [ 1617.873412] name failslab, interval 1, probability 0, space 0, times 0 [ 1617.884801] FAULT_INJECTION: forcing a failure. [ 1617.884801] name failslab, interval 1, probability 0, space 0, times 0 [ 1617.899777] CPU: 0 PID: 10211 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1617.907786] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1617.917132] Call Trace: [ 1617.919722] dump_stack+0x1b2/0x281 [ 1617.923339] should_fail.cold+0x10a/0x149 [ 1617.927467] ? sync_fs_one_sb+0xb1/0xe0 [ 1617.931444] should_failslab+0xd6/0x130 [ 1617.935398] kmem_cache_alloc_node+0x54/0x410 [ 1617.939874] create_task_io_context+0x2a/0x3c0 [ 1617.944443] generic_make_request_checks+0x1350/0x19f0 [ 1617.949716] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1617.954113] ? flush_workqueue+0x129/0x1310 [ 1617.958416] ? flush_workqueue+0x49b/0x1310 [ 1617.962729] generic_make_request+0x67/0x850 [ 1617.967127] ? mempool_alloc+0x10e/0x2d0 [ 1617.971188] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1617.976620] ? blk_queue_exit+0x1d0/0x1d0 [ 1617.980751] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1617.985749] ? kmem_cache_alloc+0x35f/0x3c0 [ 1617.990055] submit_bio+0x234/0x390 [ 1617.993663] ? generic_make_request+0x850/0x850 [ 1617.998313] ? __lockdep_init_map+0x100/0x560 [ 1618.002805] ? __lockdep_init_map+0x100/0x560 [ 1618.007284] submit_bio_wait+0xe8/0x140 [ 1618.011239] ? submit_bio_wait_endio+0xb0/0xb0 [ 1618.015806] blkdev_issue_flush+0x218/0x320 [ 1618.020113] ext4_sync_fs+0x46f/0x7e0 [ 1618.023894] ? bdev_try_to_free_page+0x150/0x150 [ 1618.028645] ? iterate_supers+0xda/0x490 [ 1618.032695] ? bdev_try_to_free_page+0x150/0x150 [ 1618.037439] ? vfs_fsync_range+0x260/0x260 [ 1618.041652] sync_fs_one_sb+0xb1/0xe0 [ 1618.045431] iterate_supers+0x124/0x490 [ 1618.049388] sys_sync+0x9a/0x130 [ 1618.052733] ? vfs_fsync+0x210/0x210 [ 1618.056429] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1618.061425] ? vfs_fsync+0x210/0x210 [ 1618.065119] do_syscall_64+0x1d5/0x640 [ 1618.068993] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1618.074160] RIP: 0033:0x7f3c6be997c9 [ 1618.077849] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1618.085536] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1618.092801] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1618.100053] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1618.107307] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1618.114560] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000000d [ 1618.121826] CPU: 1 PID: 10209 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1618.129797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1618.139143] Call Trace: [ 1618.141713] dump_stack+0x1b2/0x281 [ 1618.145323] should_fail.cold+0x10a/0x149 [ 1618.149449] ? sync_fs_one_sb+0xb1/0xe0 [ 1618.153407] should_failslab+0xd6/0x130 [ 1618.157362] kmem_cache_alloc_node+0x54/0x410 [ 1618.161874] create_task_io_context+0x2a/0x3c0 [ 1618.166443] generic_make_request_checks+0x1350/0x19f0 [ 1618.171718] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1618.176129] ? flush_workqueue+0x129/0x1310 [ 1618.180445] ? flush_workqueue+0x49b/0x1310 [ 1618.184749] generic_make_request+0x67/0x850 [ 1618.189139] ? mempool_alloc+0x10e/0x2d0 [ 1618.193180] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1618.198626] ? blk_queue_exit+0x1d0/0x1d0 [ 1618.202752] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1618.207745] ? kmem_cache_alloc+0x35f/0x3c0 [ 1618.212045] submit_bio+0x234/0x390 [ 1618.215652] ? generic_make_request+0x850/0x850 [ 1618.220315] ? __lockdep_init_map+0x100/0x560 [ 1618.224807] ? __lockdep_init_map+0x100/0x560 [ 1618.229287] submit_bio_wait+0xe8/0x140 [ 1618.233243] ? submit_bio_wait_endio+0xb0/0xb0 [ 1618.237818] blkdev_issue_flush+0x218/0x320 [ 1618.242153] ext4_sync_fs+0x46f/0x7e0 [ 1618.245947] ? bdev_try_to_free_page+0x150/0x150 [ 1618.250683] ? iterate_supers+0xda/0x490 [ 1618.254732] ? bdev_try_to_free_page+0x150/0x150 [ 1618.259481] ? vfs_fsync_range+0x260/0x260 [ 1618.263701] sync_fs_one_sb+0xb1/0xe0 [ 1618.267485] iterate_supers+0x124/0x490 [ 1618.271438] sys_sync+0x9a/0x130 [ 1618.274787] ? vfs_fsync+0x210/0x210 [ 1618.278502] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1618.283498] ? vfs_fsync+0x210/0x210 [ 1618.287196] do_syscall_64+0x1d5/0x640 [ 1618.291086] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1618.296254] RIP: 0033:0x7f3c6be997c9 [ 1618.299943] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1618.307634] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1618.314880] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 executing program [ 1618.322145] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1618.329391] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1618.336652] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000021 [ 1618.377340] FAULT_INJECTION: forcing a failure. [ 1618.377340] name failslab, interval 1, probability 0, space 0, times 0 [ 1618.397843] CPU: 0 PID: 10219 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1618.405815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1618.415150] Call Trace: [ 1618.417718] dump_stack+0x1b2/0x281 [ 1618.421329] should_fail.cold+0x10a/0x149 [ 1618.425456] ? sync_fs_one_sb+0xb1/0xe0 [ 1618.429413] should_failslab+0xd6/0x130 [ 1618.433368] kmem_cache_alloc_node+0x54/0x410 [ 1618.437842] create_task_io_context+0x2a/0x3c0 [ 1618.442403] generic_make_request_checks+0x1350/0x19f0 [ 1618.447659] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1618.452044] ? flush_workqueue+0x129/0x1310 [ 1618.456344] ? flush_workqueue+0x49b/0x1310 [ 1618.460644] generic_make_request+0x67/0x850 [ 1618.465034] ? mempool_alloc+0x10e/0x2d0 [ 1618.469073] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1618.474501] ? blk_queue_exit+0x1d0/0x1d0 [ 1618.478800] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1618.483793] ? kmem_cache_alloc+0x35f/0x3c0 [ 1618.488096] submit_bio+0x234/0x390 [ 1618.491706] ? generic_make_request+0x850/0x850 [ 1618.496350] ? __lockdep_init_map+0x100/0x560 [ 1618.500824] ? __lockdep_init_map+0x100/0x560 [ 1618.505303] submit_bio_wait+0xe8/0x140 [ 1618.509257] ? submit_bio_wait_endio+0xb0/0xb0 [ 1618.513823] blkdev_issue_flush+0x218/0x320 [ 1618.518128] ext4_sync_fs+0x46f/0x7e0 [ 1618.521908] ? bdev_try_to_free_page+0x150/0x150 [ 1618.526640] ? iterate_supers+0xda/0x490 [ 1618.530678] ? bdev_try_to_free_page+0x150/0x150 [ 1618.535413] ? vfs_fsync_range+0x260/0x260 [ 1618.539624] sync_fs_one_sb+0xb1/0xe0 [ 1618.543400] iterate_supers+0x124/0x490 [ 1618.547352] sys_sync+0x9a/0x130 [ 1618.550696] ? vfs_fsync+0x210/0x210 [ 1618.554392] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1618.559388] ? vfs_fsync+0x210/0x210 [ 1618.563078] do_syscall_64+0x1d5/0x640 [ 1618.566947] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1618.572117] RIP: 0033:0x7f3c6be997c9 executing program [ 1618.575805] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1618.583505] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1618.590751] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1618.598010] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1618.605258] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1618.612504] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000000e executing program [ 1618.658751] FAULT_INJECTION: forcing a failure. [ 1618.658751] name failslab, interval 1, probability 0, space 0, times 0 [ 1618.679740] FAULT_INJECTION: forcing a failure. [ 1618.679740] name failslab, interval 1, probability 0, space 0, times 0 [ 1618.695950] CPU: 0 PID: 10226 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 executing program [ 1618.703921] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1618.713271] Call Trace: [ 1618.715854] dump_stack+0x1b2/0x281 [ 1618.719480] should_fail.cold+0x10a/0x149 [ 1618.723622] ? sync_fs_one_sb+0xb1/0xe0 [ 1618.723972] FAULT_INJECTION: forcing a failure. [ 1618.723972] name failslab, interval 1, probability 0, space 0, times 0 [ 1618.727590] should_failslab+0xd6/0x130 [ 1618.727602] kmem_cache_alloc_node+0x54/0x410 [ 1618.727614] create_task_io_context+0x2a/0x3c0 [ 1618.727624] generic_make_request_checks+0x1350/0x19f0 [ 1618.727635] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1618.727646] ? flush_workqueue+0x129/0x1310 [ 1618.765693] ? flush_workqueue+0x49b/0x1310 [ 1618.770002] generic_make_request+0x67/0x850 [ 1618.774414] ? mempool_alloc+0x10e/0x2d0 [ 1618.778458] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1618.783892] ? blk_queue_exit+0x1d0/0x1d0 [ 1618.788024] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1618.793019] ? kmem_cache_alloc+0x35f/0x3c0 [ 1618.797319] submit_bio+0x234/0x390 [ 1618.800927] ? generic_make_request+0x850/0x850 [ 1618.805571] ? __lockdep_init_map+0x100/0x560 [ 1618.810045] ? __lockdep_init_map+0x100/0x560 [ 1618.814527] submit_bio_wait+0xe8/0x140 [ 1618.818487] ? submit_bio_wait_endio+0xb0/0xb0 [ 1618.823055] blkdev_issue_flush+0x218/0x320 [ 1618.827355] ext4_sync_fs+0x46f/0x7e0 [ 1618.831137] ? bdev_try_to_free_page+0x150/0x150 [ 1618.835870] ? iterate_supers+0xda/0x490 [ 1618.839908] ? bdev_try_to_free_page+0x150/0x150 [ 1618.844642] ? vfs_fsync_range+0x260/0x260 [ 1618.848854] sync_fs_one_sb+0xb1/0xe0 [ 1618.852633] iterate_supers+0x124/0x490 [ 1618.856588] sys_sync+0x9a/0x130 [ 1618.859934] ? vfs_fsync+0x210/0x210 [ 1618.863633] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1618.868630] ? vfs_fsync+0x210/0x210 [ 1618.872329] do_syscall_64+0x1d5/0x640 [ 1618.876200] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1618.881378] RIP: 0033:0x7f3c6be997c9 [ 1618.885070] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1618.892761] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1618.900011] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1618.907262] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1618.914511] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1618.921758] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000000e [ 1618.929019] CPU: 1 PID: 10231 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1618.936989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1618.946333] Call Trace: [ 1618.948918] dump_stack+0x1b2/0x281 [ 1618.952538] should_fail.cold+0x10a/0x149 [ 1618.956667] should_failslab+0xd6/0x130 [ 1618.960619] kmem_cache_alloc+0x28e/0x3c0 [ 1618.964750] start_transaction+0x27c/0xf30 [ 1618.968968] ? vfs_fsync_range+0x260/0x260 [ 1618.973180] btrfs_attach_transaction_barrier+0x22/0x80 [ 1618.978524] btrfs_sync_fs+0xcd/0x430 [ 1618.982305] ? btrfs_freeze+0xb0/0xb0 [ 1618.986089] ? vfs_fsync_range+0x260/0x260 [ 1618.990299] sync_fs_one_sb+0xb1/0xe0 [ 1618.994082] iterate_supers+0x124/0x490 [ 1618.998061] sys_sync+0x9a/0x130 [ 1619.001415] ? vfs_fsync+0x210/0x210 [ 1619.005114] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1619.010106] ? vfs_fsync+0x210/0x210 [ 1619.013801] do_syscall_64+0x1d5/0x640 [ 1619.017669] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1619.022836] RIP: 0033:0x7f3c6be997c9 [ 1619.026524] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1619.034213] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1619.041465] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1619.048716] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1619.055961] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1619.063217] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000000d [ 1619.070482] CPU: 0 PID: 10227 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1619.078449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1619.087787] Call Trace: [ 1619.090370] dump_stack+0x1b2/0x281 [ 1619.093990] should_fail.cold+0x10a/0x149 [ 1619.098116] ? sync_fs_one_sb+0xb1/0xe0 [ 1619.102076] should_failslab+0xd6/0x130 [ 1619.106043] kmem_cache_alloc_node+0x54/0x410 [ 1619.110525] create_task_io_context+0x2a/0x3c0 [ 1619.115086] generic_make_request_checks+0x1350/0x19f0 [ 1619.120341] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1619.124731] ? flush_workqueue+0x129/0x1310 [ 1619.129027] ? flush_workqueue+0x49b/0x1310 [ 1619.133325] generic_make_request+0x67/0x850 [ 1619.137726] ? mempool_alloc+0x10e/0x2d0 [ 1619.141773] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1619.147221] ? blk_queue_exit+0x1d0/0x1d0 [ 1619.151349] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1619.156339] ? kmem_cache_alloc+0x35f/0x3c0 [ 1619.160641] submit_bio+0x234/0x390 [ 1619.164243] ? generic_make_request+0x850/0x850 [ 1619.168899] ? __lockdep_init_map+0x100/0x560 [ 1619.173369] ? __lockdep_init_map+0x100/0x560 [ 1619.177844] submit_bio_wait+0xe8/0x140 [ 1619.181792] ? submit_bio_wait_endio+0xb0/0xb0 [ 1619.186374] blkdev_issue_flush+0x218/0x320 [ 1619.190675] ext4_sync_fs+0x46f/0x7e0 [ 1619.194454] ? bdev_try_to_free_page+0x150/0x150 [ 1619.199191] ? iterate_supers+0xda/0x490 [ 1619.203252] ? bdev_try_to_free_page+0x150/0x150 [ 1619.207985] ? vfs_fsync_range+0x260/0x260 [ 1619.212199] sync_fs_one_sb+0xb1/0xe0 [ 1619.215975] iterate_supers+0x124/0x490 [ 1619.219926] sys_sync+0x9a/0x130 [ 1619.223282] ? vfs_fsync+0x210/0x210 [ 1619.226975] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1619.231964] ? vfs_fsync+0x210/0x210 [ 1619.235677] do_syscall_64+0x1d5/0x640 [ 1619.239553] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1619.244716] RIP: 0033:0x7f3c6be997c9 [ 1619.248400] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 executing program [ 1619.256088] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1619.263335] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1619.270596] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1619.277847] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1619.285102] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000000e executing program [ 1619.365876] BTRFS info (device loop0): disabling disk space caching [ 1619.379175] BTRFS info (device loop0): has skinny extents executing program [ 1619.438934] BTRFS info (device loop0): checking UUID tree [ 1619.446578] BTRFS warning (device loop0): btrfs_uuid_scan_kthread failed -28 [ 1619.551907] FAULT_INJECTION: forcing a failure. [ 1619.551907] name failslab, interval 1, probability 0, space 0, times 0 [ 1619.552067] FAULT_INJECTION: forcing a failure. [ 1619.552067] name failslab, interval 1, probability 0, space 0, times 0 [ 1619.563604] CPU: 1 PID: 10244 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1619.582341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1619.591679] Call Trace: [ 1619.594261] dump_stack+0x1b2/0x281 [ 1619.597875] should_fail.cold+0x10a/0x149 [ 1619.602006] ? sync_fs_one_sb+0xb1/0xe0 [ 1619.605959] should_failslab+0xd6/0x130 [ 1619.609916] kmem_cache_alloc_node+0x54/0x410 [ 1619.614394] create_task_io_context+0x2a/0x3c0 [ 1619.618983] generic_make_request_checks+0x1350/0x19f0 [ 1619.624241] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1619.628630] ? flush_workqueue+0x129/0x1310 [ 1619.632934] ? flush_workqueue+0x49b/0x1310 [ 1619.637241] generic_make_request+0x67/0x850 [ 1619.641629] ? mempool_alloc+0x10e/0x2d0 [ 1619.645671] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1619.651105] ? blk_queue_exit+0x1d0/0x1d0 [ 1619.655238] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1619.660234] ? kmem_cache_alloc+0x35f/0x3c0 [ 1619.664544] submit_bio+0x234/0x390 [ 1619.668169] ? generic_make_request+0x850/0x850 [ 1619.672822] ? __lockdep_init_map+0x100/0x560 [ 1619.677302] ? __lockdep_init_map+0x100/0x560 [ 1619.681777] submit_bio_wait+0xe8/0x140 [ 1619.685728] ? submit_bio_wait_endio+0xb0/0xb0 [ 1619.690298] blkdev_issue_flush+0x218/0x320 [ 1619.694602] ext4_sync_fs+0x46f/0x7e0 [ 1619.698383] ? bdev_try_to_free_page+0x150/0x150 [ 1619.703114] ? iterate_supers+0xda/0x490 [ 1619.707165] ? bdev_try_to_free_page+0x150/0x150 [ 1619.711904] ? vfs_fsync_range+0x260/0x260 [ 1619.716124] sync_fs_one_sb+0xb1/0xe0 [ 1619.719907] iterate_supers+0x124/0x490 [ 1619.723863] sys_sync+0x9a/0x130 [ 1619.727210] ? vfs_fsync+0x210/0x210 [ 1619.730910] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1619.735905] ? vfs_fsync+0x210/0x210 [ 1619.739599] do_syscall_64+0x1d5/0x640 [ 1619.743472] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1619.748642] RIP: 0033:0x7f3c6be997c9 [ 1619.752333] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1619.760030] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1619.767276] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1619.774525] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1619.781771] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1619.789023] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000022 [ 1619.796286] CPU: 0 PID: 10275 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1619.804247] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1619.813577] Call Trace: [ 1619.816144] dump_stack+0x1b2/0x281 [ 1619.819754] should_fail.cold+0x10a/0x149 [ 1619.823880] ? sync_fs_one_sb+0xb1/0xe0 [ 1619.827834] should_failslab+0xd6/0x130 [ 1619.831787] kmem_cache_alloc_node+0x54/0x410 [ 1619.836261] create_task_io_context+0x2a/0x3c0 [ 1619.840824] generic_make_request_checks+0x1350/0x19f0 [ 1619.846081] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1619.850471] ? flush_workqueue+0x129/0x1310 [ 1619.854772] ? flush_workqueue+0x49b/0x1310 [ 1619.859073] generic_make_request+0x67/0x850 [ 1619.863459] ? mempool_alloc+0x10e/0x2d0 [ 1619.867498] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1619.872927] ? blk_queue_exit+0x1d0/0x1d0 [ 1619.877053] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1619.882045] ? kmem_cache_alloc+0x35f/0x3c0 [ 1619.886345] submit_bio+0x234/0x390 [ 1619.889950] ? generic_make_request+0x850/0x850 [ 1619.894596] ? __lockdep_init_map+0x100/0x560 [ 1619.899067] ? __lockdep_init_map+0x100/0x560 [ 1619.903545] submit_bio_wait+0xe8/0x140 [ 1619.907500] ? submit_bio_wait_endio+0xb0/0xb0 [ 1619.912073] blkdev_issue_flush+0x218/0x320 [ 1619.916377] ext4_sync_fs+0x46f/0x7e0 [ 1619.920157] ? bdev_try_to_free_page+0x150/0x150 [ 1619.924890] ? iterate_supers+0xda/0x490 [ 1619.928927] ? bdev_try_to_free_page+0x150/0x150 [ 1619.933674] ? vfs_fsync_range+0x260/0x260 [ 1619.937886] sync_fs_one_sb+0xb1/0xe0 [ 1619.941667] iterate_supers+0x124/0x490 [ 1619.945635] sys_sync+0x9a/0x130 [ 1619.948981] ? vfs_fsync+0x210/0x210 [ 1619.952676] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1619.957673] ? vfs_fsync+0x210/0x210 [ 1619.961379] do_syscall_64+0x1d5/0x640 [ 1619.965249] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1619.970418] RIP: 0033:0x7f3c6be997c9 [ 1619.974115] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1619.981813] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1619.989062] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1619.996309] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 executing program [ 1620.003557] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1620.010820] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000000f [ 1620.020824] FAULT_INJECTION: forcing a failure. [ 1620.020824] name failslab, interval 1, probability 0, space 0, times 0 executing program [ 1620.051085] FAULT_INJECTION: forcing a failure. [ 1620.051085] name failslab, interval 1, probability 0, space 0, times 0 [ 1620.062950] CPU: 0 PID: 10247 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1620.070916] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1620.080260] Call Trace: [ 1620.082844] dump_stack+0x1b2/0x281 [ 1620.086470] should_fail.cold+0x10a/0x149 [ 1620.090613] should_failslab+0xd6/0x130 [ 1620.094597] kmem_cache_alloc+0x28e/0x3c0 [ 1620.098743] start_transaction+0x27c/0xf30 [ 1620.102986] ? vfs_fsync_range+0x260/0x260 [ 1620.107216] btrfs_attach_transaction_barrier+0x22/0x80 [ 1620.112574] btrfs_sync_fs+0xcd/0x430 [ 1620.116370] ? btrfs_freeze+0xb0/0xb0 [ 1620.120166] ? vfs_fsync_range+0x260/0x260 [ 1620.124392] sync_fs_one_sb+0xb1/0xe0 [ 1620.128185] iterate_supers+0x124/0x490 [ 1620.132157] sys_sync+0x9a/0x130 [ 1620.135516] ? vfs_fsync+0x210/0x210 [ 1620.139226] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1620.144232] ? vfs_fsync+0x210/0x210 [ 1620.147941] do_syscall_64+0x1d5/0x640 [ 1620.151831] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1620.153808] FAULT_INJECTION: forcing a failure. [ 1620.153808] name failslab, interval 1, probability 0, space 0, times 0 [ 1620.157009] RIP: 0033:0x7f3c6be997c9 [ 1620.157014] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1620.157022] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1620.157031] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1620.194050] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1620.201302] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1620.208568] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000000d [ 1620.215839] CPU: 1 PID: 10280 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1620.223799] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1620.233171] Call Trace: [ 1620.235742] dump_stack+0x1b2/0x281 [ 1620.239380] should_fail.cold+0x10a/0x149 [ 1620.243515] ? sync_fs_one_sb+0xb1/0xe0 [ 1620.247483] should_failslab+0xd6/0x130 [ 1620.251447] kmem_cache_alloc_node+0x54/0x410 [ 1620.255953] create_task_io_context+0x2a/0x3c0 [ 1620.260516] generic_make_request_checks+0x1350/0x19f0 [ 1620.265776] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1620.270185] ? flush_workqueue+0x129/0x1310 [ 1620.274484] ? flush_workqueue+0x49b/0x1310 [ 1620.278966] generic_make_request+0x67/0x850 [ 1620.283352] ? mempool_alloc+0x10e/0x2d0 [ 1620.287395] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1620.292848] ? blk_queue_exit+0x1d0/0x1d0 [ 1620.296990] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1620.301986] ? kmem_cache_alloc+0x35f/0x3c0 [ 1620.306298] submit_bio+0x234/0x390 [ 1620.309911] ? generic_make_request+0x850/0x850 [ 1620.314561] ? __lockdep_init_map+0x100/0x560 [ 1620.319037] ? __lockdep_init_map+0x100/0x560 [ 1620.323515] submit_bio_wait+0xe8/0x140 [ 1620.327472] ? submit_bio_wait_endio+0xb0/0xb0 [ 1620.332055] blkdev_issue_flush+0x218/0x320 [ 1620.336364] ext4_sync_fs+0x46f/0x7e0 [ 1620.340146] ? bdev_try_to_free_page+0x150/0x150 [ 1620.344880] ? iterate_supers+0xda/0x490 [ 1620.348922] ? bdev_try_to_free_page+0x150/0x150 [ 1620.353661] ? vfs_fsync_range+0x260/0x260 [ 1620.357878] sync_fs_one_sb+0xb1/0xe0 [ 1620.361655] iterate_supers+0x124/0x490 [ 1620.365627] sys_sync+0x9a/0x130 [ 1620.368972] ? vfs_fsync+0x210/0x210 [ 1620.372667] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1620.377660] ? vfs_fsync+0x210/0x210 [ 1620.381370] do_syscall_64+0x1d5/0x640 [ 1620.385255] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1620.390422] RIP: 0033:0x7f3c6be997c9 [ 1620.394113] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1620.401799] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1620.409048] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1620.416294] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1620.423542] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1620.430793] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000000e [ 1620.438056] CPU: 0 PID: 10278 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1620.446021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 executing program [ 1620.455368] Call Trace: [ 1620.457949] dump_stack+0x1b2/0x281 [ 1620.461575] should_fail.cold+0x10a/0x149 [ 1620.465714] ? lock_downgrade+0x740/0x740 [ 1620.469860] ? mempool_free+0x1d0/0x1d0 [ 1620.473829] should_failslab+0xd6/0x130 [ 1620.477804] kmem_cache_alloc+0x40/0x3c0 [ 1620.481855] ? mempool_free+0x1d0/0x1d0 [ 1620.485815] mempool_alloc+0x10e/0x2d0 [ 1620.489800] ? remove_element.isra.0+0x1b0/0x1b0 [ 1620.494556] ? flush_workqueue+0x40e/0x1310 [ 1620.496764] FAULT_INJECTION: forcing a failure. [ 1620.496764] name failslab, interval 1, probability 0, space 0, times 0 [ 1620.498875] ? check_preemption_disabled+0x35/0x240 [ 1620.498889] bio_alloc_bioset+0x41b/0x830 [ 1620.498901] ? bvec_alloc+0x2d0/0x2d0 [ 1620.498914] blkdev_issue_flush+0xeb/0x320 [ 1620.498926] ext4_sync_fs+0x46f/0x7e0 [ 1620.498939] ? bdev_try_to_free_page+0x150/0x150 [ 1620.535747] ? iterate_supers+0xda/0x490 [ 1620.539792] ? bdev_try_to_free_page+0x150/0x150 [ 1620.544527] ? vfs_fsync_range+0x260/0x260 [ 1620.548744] sync_fs_one_sb+0xb1/0xe0 [ 1620.552528] iterate_supers+0x124/0x490 [ 1620.556486] sys_sync+0x9a/0x130 [ 1620.559842] ? vfs_fsync+0x210/0x210 [ 1620.563537] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1620.568537] ? vfs_fsync+0x210/0x210 [ 1620.572234] do_syscall_64+0x1d5/0x640 [ 1620.576105] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1620.581271] RIP: 0033:0x7f3c6be997c9 [ 1620.584962] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1620.592657] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1620.599909] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1620.607160] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1620.614405] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1620.621650] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000023 [ 1620.628941] CPU: 1 PID: 10290 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1620.636904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1620.646243] Call Trace: [ 1620.648811] dump_stack+0x1b2/0x281 [ 1620.652424] should_fail.cold+0x10a/0x149 [ 1620.656549] ? sync_fs_one_sb+0xb1/0xe0 [ 1620.660515] should_failslab+0xd6/0x130 [ 1620.664467] kmem_cache_alloc_node+0x54/0x410 [ 1620.668952] create_task_io_context+0x2a/0x3c0 [ 1620.673513] generic_make_request_checks+0x1350/0x19f0 [ 1620.678767] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1620.683152] ? flush_workqueue+0x129/0x1310 [ 1620.687453] ? flush_workqueue+0x49b/0x1310 [ 1620.691753] generic_make_request+0x67/0x850 [ 1620.696140] ? mempool_alloc+0x10e/0x2d0 [ 1620.700181] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1620.705612] ? blk_queue_exit+0x1d0/0x1d0 [ 1620.709737] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1620.714832] ? kmem_cache_alloc+0x35f/0x3c0 [ 1620.719134] submit_bio+0x234/0x390 [ 1620.722739] ? generic_make_request+0x850/0x850 [ 1620.727387] ? __lockdep_init_map+0x100/0x560 [ 1620.731878] ? __lockdep_init_map+0x100/0x560 [ 1620.736355] submit_bio_wait+0xe8/0x140 [ 1620.740306] ? submit_bio_wait_endio+0xb0/0xb0 [ 1620.744873] blkdev_issue_flush+0x218/0x320 [ 1620.749349] ext4_sync_fs+0x46f/0x7e0 [ 1620.753131] ? bdev_try_to_free_page+0x150/0x150 [ 1620.757863] ? iterate_supers+0xda/0x490 [ 1620.761901] ? bdev_try_to_free_page+0x150/0x150 [ 1620.766636] ? vfs_fsync_range+0x260/0x260 [ 1620.770847] sync_fs_one_sb+0xb1/0xe0 [ 1620.774624] iterate_supers+0x124/0x490 [ 1620.778581] sys_sync+0x9a/0x130 [ 1620.781927] ? vfs_fsync+0x210/0x210 [ 1620.785623] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1620.790613] ? vfs_fsync+0x210/0x210 [ 1620.794304] do_syscall_64+0x1d5/0x640 [ 1620.798171] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1620.803339] RIP: 0033:0x7f3c6be997c9 executing program [ 1620.807028] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1620.814712] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1620.821959] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1620.829207] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1620.836468] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1620.843716] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000000f executing program executing program [ 1621.013780] FAULT_INJECTION: forcing a failure. [ 1621.013780] name failslab, interval 1, probability 0, space 0, times 0 [ 1621.025811] CPU: 1 PID: 10296 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1621.028684] FAULT_INJECTION: forcing a failure. [ 1621.028684] name failslab, interval 1, probability 0, space 0, times 0 [ 1621.033773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1621.033777] Call Trace: [ 1621.033789] dump_stack+0x1b2/0x281 [ 1621.033802] should_fail.cold+0x10a/0x149 [ 1621.033811] ? sync_fs_one_sb+0xb1/0xe0 [ 1621.033820] should_failslab+0xd6/0x130 [ 1621.033830] kmem_cache_alloc_node+0x54/0x410 [ 1621.033842] create_task_io_context+0x2a/0x3c0 [ 1621.045290] FAULT_INJECTION: forcing a failure. [ 1621.045290] name failslab, interval 1, probability 0, space 0, times 0 [ 1621.054449] generic_make_request_checks+0x1350/0x19f0 [ 1621.054462] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1621.054472] ? flush_workqueue+0x129/0x1310 [ 1621.054479] ? flush_workqueue+0x49b/0x1310 [ 1621.054489] generic_make_request+0x67/0x850 [ 1621.054499] ? mempool_alloc+0x10e/0x2d0 [ 1621.054507] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1621.054513] ? blk_queue_exit+0x1d0/0x1d0 [ 1621.054522] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1621.054531] ? kmem_cache_alloc+0x35f/0x3c0 [ 1621.054541] submit_bio+0x234/0x390 [ 1621.054550] ? generic_make_request+0x850/0x850 [ 1621.054557] ? __lockdep_init_map+0x100/0x560 [ 1621.054564] ? __lockdep_init_map+0x100/0x560 [ 1621.054575] submit_bio_wait+0xe8/0x140 [ 1621.159706] ? submit_bio_wait_endio+0xb0/0xb0 executing program [ 1621.164278] blkdev_issue_flush+0x218/0x320 [ 1621.168585] ext4_sync_fs+0x46f/0x7e0 [ 1621.172367] ? bdev_try_to_free_page+0x150/0x150 [ 1621.177099] ? iterate_supers+0xda/0x490 [ 1621.181152] ? bdev_try_to_free_page+0x150/0x150 [ 1621.185916] ? vfs_fsync_range+0x260/0x260 [ 1621.190134] sync_fs_one_sb+0xb1/0xe0 [ 1621.193914] iterate_supers+0x124/0x490 [ 1621.197873] sys_sync+0x9a/0x130 [ 1621.201224] ? vfs_fsync+0x210/0x210 [ 1621.204926] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1621.209946] ? vfs_fsync+0x210/0x210 [ 1621.213644] do_syscall_64+0x1d5/0x640 [ 1621.217526] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1621.222705] RIP: 0033:0x7f3c6be997c9 [ 1621.226403] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1621.234101] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1621.241366] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1621.248630] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1621.255899] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1621.263163] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000000f [ 1621.270434] CPU: 0 PID: 10311 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1621.278393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1621.287728] Call Trace: [ 1621.290309] dump_stack+0x1b2/0x281 [ 1621.293932] should_fail.cold+0x10a/0x149 [ 1621.298075] should_failslab+0xd6/0x130 [ 1621.302046] kmem_cache_alloc+0x28e/0x3c0 [ 1621.306188] start_transaction+0x27c/0xf30 [ 1621.310420] ? vfs_fsync_range+0x260/0x260 [ 1621.314650] btrfs_attach_transaction_barrier+0x22/0x80 [ 1621.320005] btrfs_sync_fs+0xcd/0x430 [ 1621.323785] ? btrfs_freeze+0xb0/0xb0 [ 1621.327567] ? vfs_fsync_range+0x260/0x260 [ 1621.331778] sync_fs_one_sb+0xb1/0xe0 [ 1621.335557] iterate_supers+0x124/0x490 [ 1621.339514] sys_sync+0x9a/0x130 [ 1621.342868] ? vfs_fsync+0x210/0x210 [ 1621.346563] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1621.351559] ? vfs_fsync+0x210/0x210 [ 1621.355252] do_syscall_64+0x1d5/0x640 [ 1621.359122] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1621.364296] RIP: 0033:0x7f3c6be997c9 [ 1621.367990] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1621.375676] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1621.382926] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1621.390193] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1621.397440] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1621.404693] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000000f [ 1621.411955] CPU: 1 PID: 10305 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1621.419913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1621.429247] Call Trace: [ 1621.431816] dump_stack+0x1b2/0x281 [ 1621.435429] should_fail.cold+0x10a/0x149 [ 1621.439558] should_failslab+0xd6/0x130 [ 1621.443515] kmem_cache_alloc+0x28e/0x3c0 [ 1621.447660] start_transaction+0x27c/0xf30 [ 1621.451876] ? vfs_fsync_range+0x260/0x260 [ 1621.456088] btrfs_attach_transaction_barrier+0x22/0x80 [ 1621.461428] btrfs_sync_fs+0xcd/0x430 [ 1621.465204] ? btrfs_freeze+0xb0/0xb0 [ 1621.468984] ? vfs_fsync_range+0x260/0x260 [ 1621.473200] sync_fs_one_sb+0xb1/0xe0 [ 1621.476977] iterate_supers+0x124/0x490 [ 1621.480948] sys_sync+0x9a/0x130 [ 1621.484293] ? vfs_fsync+0x210/0x210 [ 1621.487990] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1621.492984] ? vfs_fsync+0x210/0x210 [ 1621.496675] do_syscall_64+0x1d5/0x640 [ 1621.500561] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1621.505727] RIP: 0033:0x7f3c6be997c9 executing program [ 1621.509415] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1621.517098] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1621.524344] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1621.531589] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1621.538837] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1621.546085] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000024 executing program executing program [ 1621.663920] FAULT_INJECTION: forcing a failure. [ 1621.663920] name failslab, interval 1, probability 0, space 0, times 0 [ 1621.664117] FAULT_INJECTION: forcing a failure. [ 1621.664117] name failslab, interval 1, probability 0, space 0, times 0 [ 1621.675256] FAULT_INJECTION: forcing a failure. [ 1621.675256] name failslab, interval 1, probability 0, space 0, times 0 [ 1621.694484] CPU: 1 PID: 10330 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1621.705737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1621.715067] Call Trace: [ 1621.717634] dump_stack+0x1b2/0x281 [ 1621.721242] should_fail.cold+0x10a/0x149 [ 1621.725367] ? sync_fs_one_sb+0xb1/0xe0 [ 1621.729320] should_failslab+0xd6/0x130 [ 1621.733284] kmem_cache_alloc_node+0x54/0x410 [ 1621.737759] create_task_io_context+0x2a/0x3c0 [ 1621.742318] generic_make_request_checks+0x1350/0x19f0 [ 1621.747580] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1621.751964] ? flush_workqueue+0x129/0x1310 [ 1621.756263] ? flush_workqueue+0x49b/0x1310 [ 1621.760561] generic_make_request+0x67/0x850 [ 1621.764947] ? mempool_alloc+0x10e/0x2d0 [ 1621.768985] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1621.774411] ? blk_queue_exit+0x1d0/0x1d0 [ 1621.778537] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1621.783528] ? kmem_cache_alloc+0x35f/0x3c0 [ 1621.787833] submit_bio+0x234/0x390 [ 1621.791436] ? generic_make_request+0x850/0x850 [ 1621.796080] ? __lockdep_init_map+0x100/0x560 [ 1621.800551] ? __lockdep_init_map+0x100/0x560 [ 1621.805023] submit_bio_wait+0xe8/0x140 [ 1621.808974] ? submit_bio_wait_endio+0xb0/0xb0 [ 1621.813540] blkdev_issue_flush+0x218/0x320 [ 1621.817840] ext4_sync_fs+0x46f/0x7e0 [ 1621.821625] ? bdev_try_to_free_page+0x150/0x150 [ 1621.826367] ? iterate_supers+0xda/0x490 [ 1621.830416] ? bdev_try_to_free_page+0x150/0x150 [ 1621.835158] ? vfs_fsync_range+0x260/0x260 [ 1621.839371] sync_fs_one_sb+0xb1/0xe0 [ 1621.843150] iterate_supers+0x124/0x490 [ 1621.847106] sys_sync+0x9a/0x130 [ 1621.850448] ? vfs_fsync+0x210/0x210 [ 1621.854139] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1621.859128] ? vfs_fsync+0x210/0x210 [ 1621.862819] do_syscall_64+0x1d5/0x640 [ 1621.866687] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1621.871853] RIP: 0033:0x7f3c6be997c9 [ 1621.875541] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1621.883243] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1621.890494] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1621.897741] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1621.904987] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1621.912232] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000025 [ 1621.919490] CPU: 0 PID: 10315 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1621.927449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1621.930667] FAULT_INJECTION: forcing a failure. [ 1621.930667] name failslab, interval 1, probability 0, space 0, times 0 [ 1621.936790] Call Trace: [ 1621.950518] dump_stack+0x1b2/0x281 [ 1621.954122] should_fail.cold+0x10a/0x149 [ 1621.958249] ? sync_fs_one_sb+0xb1/0xe0 [ 1621.962214] should_failslab+0xd6/0x130 [ 1621.966164] kmem_cache_alloc_node+0x54/0x410 [ 1621.970638] create_task_io_context+0x2a/0x3c0 [ 1621.975196] generic_make_request_checks+0x1350/0x19f0 [ 1621.980449] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1621.984835] ? flush_workqueue+0x129/0x1310 [ 1621.989132] ? flush_workqueue+0x49b/0x1310 [ 1621.993441] generic_make_request+0x67/0x850 [ 1621.997851] ? mempool_alloc+0x10e/0x2d0 [ 1622.001888] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1622.007313] ? blk_queue_exit+0x1d0/0x1d0 [ 1622.011438] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1622.016431] ? kmem_cache_alloc+0x35f/0x3c0 [ 1622.020739] submit_bio+0x234/0x390 [ 1622.024347] ? generic_make_request+0x850/0x850 [ 1622.028992] ? __lockdep_init_map+0x100/0x560 [ 1622.033461] ? __lockdep_init_map+0x100/0x560 [ 1622.037934] submit_bio_wait+0xe8/0x140 [ 1622.041885] ? submit_bio_wait_endio+0xb0/0xb0 [ 1622.046451] blkdev_issue_flush+0x218/0x320 [ 1622.050756] ext4_sync_fs+0x46f/0x7e0 [ 1622.054535] ? bdev_try_to_free_page+0x150/0x150 [ 1622.059266] ? iterate_supers+0xda/0x490 [ 1622.063309] ? bdev_try_to_free_page+0x150/0x150 [ 1622.068051] ? vfs_fsync_range+0x260/0x260 [ 1622.072278] sync_fs_one_sb+0xb1/0xe0 [ 1622.076057] iterate_supers+0x124/0x490 [ 1622.080008] sys_sync+0x9a/0x130 [ 1622.083350] ? vfs_fsync+0x210/0x210 [ 1622.087041] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1622.092040] ? vfs_fsync+0x210/0x210 [ 1622.095731] do_syscall_64+0x1d5/0x640 [ 1622.099602] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1622.104764] RIP: 0033:0x7f3c6be997c9 [ 1622.108448] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1622.116132] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1622.123379] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1622.130637] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1622.137884] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1622.145132] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000010 [ 1622.156016] CPU: 0 PID: 10323 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1622.163982] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1622.173324] Call Trace: [ 1622.175900] dump_stack+0x1b2/0x281 [ 1622.179521] should_fail.cold+0x10a/0x149 [ 1622.183652] ? sync_fs_one_sb+0xb1/0xe0 [ 1622.187606] should_failslab+0xd6/0x130 [ 1622.191562] kmem_cache_alloc_node+0x54/0x410 [ 1622.196042] create_task_io_context+0x2a/0x3c0 [ 1622.200615] generic_make_request_checks+0x1350/0x19f0 [ 1622.205880] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1622.210266] ? flush_workqueue+0x129/0x1310 [ 1622.214566] ? flush_workqueue+0x49b/0x1310 [ 1622.218959] generic_make_request+0x67/0x850 [ 1622.223349] ? mempool_alloc+0x10e/0x2d0 [ 1622.227393] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1622.232831] ? blk_queue_exit+0x1d0/0x1d0 [ 1622.236969] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1622.241963] ? kmem_cache_alloc+0x35f/0x3c0 [ 1622.246267] submit_bio+0x234/0x390 [ 1622.249874] ? generic_make_request+0x850/0x850 [ 1622.254519] ? __lockdep_init_map+0x100/0x560 [ 1622.259015] ? __lockdep_init_map+0x100/0x560 [ 1622.263495] submit_bio_wait+0xe8/0x140 [ 1622.267448] ? submit_bio_wait_endio+0xb0/0xb0 [ 1622.272018] blkdev_issue_flush+0x218/0x320 [ 1622.276329] ext4_sync_fs+0x46f/0x7e0 [ 1622.280114] ? bdev_try_to_free_page+0x150/0x150 [ 1622.284859] ? iterate_supers+0xda/0x490 [ 1622.288898] ? bdev_try_to_free_page+0x150/0x150 [ 1622.293639] ? vfs_fsync_range+0x260/0x260 [ 1622.297854] sync_fs_one_sb+0xb1/0xe0 [ 1622.301651] iterate_supers+0x124/0x490 [ 1622.305604] sys_sync+0x9a/0x130 [ 1622.308957] ? vfs_fsync+0x210/0x210 [ 1622.312656] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1622.317646] ? vfs_fsync+0x210/0x210 [ 1622.321341] do_syscall_64+0x1d5/0x640 [ 1622.325215] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1622.330381] RIP: 0033:0x7f3c6be997c9 [ 1622.334070] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1622.341758] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1622.349013] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1622.356281] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1622.363553] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1622.370804] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000000e [ 1622.378066] CPU: 1 PID: 10333 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1622.386029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1622.395358] Call Trace: [ 1622.397927] dump_stack+0x1b2/0x281 [ 1622.401540] should_fail.cold+0x10a/0x149 [ 1622.405669] should_failslab+0xd6/0x130 [ 1622.409624] kmem_cache_alloc+0x28e/0x3c0 [ 1622.413749] start_transaction+0x27c/0xf30 [ 1622.417969] ? vfs_fsync_range+0x260/0x260 [ 1622.422179] btrfs_attach_transaction_barrier+0x22/0x80 [ 1622.427519] btrfs_sync_fs+0xcd/0x430 [ 1622.431328] ? btrfs_freeze+0xb0/0xb0 [ 1622.435103] ? vfs_fsync_range+0x260/0x260 [ 1622.439313] sync_fs_one_sb+0xb1/0xe0 [ 1622.443089] iterate_supers+0x124/0x490 [ 1622.447042] sys_sync+0x9a/0x130 [ 1622.450387] ? vfs_fsync+0x210/0x210 [ 1622.454078] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1622.459157] ? vfs_fsync+0x210/0x210 [ 1622.462847] do_syscall_64+0x1d5/0x640 [ 1622.466716] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1622.471884] RIP: 0033:0x7f3c6be997c9 [ 1622.475570] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1622.483268] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1622.490617] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1622.497867] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1622.505113] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1622.512371] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000010 executing program executing program executing program [ 1622.682580] FAULT_INJECTION: forcing a failure. [ 1622.682580] name failslab, interval 1, probability 0, space 0, times 0 [ 1622.683862] FAULT_INJECTION: forcing a failure. [ 1622.683862] name failslab, interval 1, probability 0, space 0, times 0 [ 1622.693979] CPU: 0 PID: 10345 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1622.705387] FAULT_INJECTION: forcing a failure. [ 1622.705387] name failslab, interval 1, probability 0, space 0, times 0 [ 1622.712924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1622.712929] Call Trace: [ 1622.712942] dump_stack+0x1b2/0x281 [ 1622.712954] should_fail.cold+0x10a/0x149 [ 1622.712963] ? sync_fs_one_sb+0xb1/0xe0 [ 1622.712972] should_failslab+0xd6/0x130 [ 1622.712984] kmem_cache_alloc_node+0x54/0x410 [ 1622.756103] create_task_io_context+0x2a/0x3c0 [ 1622.760664] generic_make_request_checks+0x1350/0x19f0 [ 1622.765923] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1622.770313] ? flush_workqueue+0x129/0x1310 [ 1622.774613] ? flush_workqueue+0x49b/0x1310 [ 1622.778915] generic_make_request+0x67/0x850 [ 1622.783305] ? mempool_alloc+0x10e/0x2d0 [ 1622.787346] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1622.792777] ? blk_queue_exit+0x1d0/0x1d0 [ 1622.796903] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1622.801897] ? kmem_cache_alloc+0x35f/0x3c0 [ 1622.806224] submit_bio+0x234/0x390 [ 1622.809831] ? generic_make_request+0x850/0x850 [ 1622.814482] ? __lockdep_init_map+0x100/0x560 [ 1622.818960] ? __lockdep_init_map+0x100/0x560 [ 1622.823443] submit_bio_wait+0xe8/0x140 [ 1622.827399] ? submit_bio_wait_endio+0xb0/0xb0 [ 1622.831967] blkdev_issue_flush+0x218/0x320 [ 1622.836268] ext4_sync_fs+0x46f/0x7e0 [ 1622.840047] ? bdev_try_to_free_page+0x150/0x150 [ 1622.844781] ? iterate_supers+0xda/0x490 [ 1622.848838] ? bdev_try_to_free_page+0x150/0x150 [ 1622.853571] ? vfs_fsync_range+0x260/0x260 [ 1622.857787] sync_fs_one_sb+0xb1/0xe0 [ 1622.861566] iterate_supers+0x124/0x490 [ 1622.865521] sys_sync+0x9a/0x130 [ 1622.868867] ? vfs_fsync+0x210/0x210 [ 1622.872562] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1622.877569] ? vfs_fsync+0x210/0x210 [ 1622.881262] do_syscall_64+0x1d5/0x640 [ 1622.885131] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1622.890299] RIP: 0033:0x7f3c6be997c9 [ 1622.893986] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1622.901672] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1622.908922] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1622.916168] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1622.923417] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1622.930666] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000010 [ 1622.937942] CPU: 1 PID: 10355 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1622.945900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1622.955230] Call Trace: [ 1622.957797] dump_stack+0x1b2/0x281 [ 1622.961406] should_fail.cold+0x10a/0x149 [ 1622.965533] ? sync_fs_one_sb+0xb1/0xe0 [ 1622.969485] should_failslab+0xd6/0x130 [ 1622.973438] kmem_cache_alloc_node+0x54/0x410 [ 1622.977912] create_task_io_context+0x2a/0x3c0 [ 1622.982475] generic_make_request_checks+0x1350/0x19f0 [ 1622.987731] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1622.992116] ? flush_workqueue+0x129/0x1310 [ 1622.996413] ? flush_workqueue+0x49b/0x1310 [ 1623.000713] generic_make_request+0x67/0x850 [ 1623.005101] ? mempool_alloc+0x10e/0x2d0 [ 1623.009156] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1623.014583] ? blk_queue_exit+0x1d0/0x1d0 [ 1623.018708] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1623.023712] ? kmem_cache_alloc+0x35f/0x3c0 [ 1623.028011] submit_bio+0x234/0x390 [ 1623.031617] ? generic_make_request+0x850/0x850 [ 1623.036261] ? __lockdep_init_map+0x100/0x560 [ 1623.040732] ? __lockdep_init_map+0x100/0x560 [ 1623.045214] submit_bio_wait+0xe8/0x140 [ 1623.049168] ? submit_bio_wait_endio+0xb0/0xb0 [ 1623.053734] blkdev_issue_flush+0x218/0x320 [ 1623.058036] ext4_sync_fs+0x46f/0x7e0 [ 1623.061823] ? bdev_try_to_free_page+0x150/0x150 [ 1623.066567] ? iterate_supers+0xda/0x490 [ 1623.070608] ? bdev_try_to_free_page+0x150/0x150 [ 1623.075345] ? vfs_fsync_range+0x260/0x260 [ 1623.079555] sync_fs_one_sb+0xb1/0xe0 [ 1623.083334] iterate_supers+0x124/0x490 [ 1623.087289] sys_sync+0x9a/0x130 [ 1623.090650] ? vfs_fsync+0x210/0x210 [ 1623.094352] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1623.099347] ? vfs_fsync+0x210/0x210 [ 1623.103043] do_syscall_64+0x1d5/0x640 [ 1623.106916] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1623.112102] RIP: 0033:0x7f3c6be997c9 [ 1623.115792] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1623.123481] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1623.130736] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1623.137984] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1623.145245] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1623.152508] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000026 executing program [ 1623.184254] FAULT_INJECTION: forcing a failure. [ 1623.184254] name failslab, interval 1, probability 0, space 0, times 0 [ 1623.193629] CPU: 1 PID: 10352 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1623.203409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1623.212751] Call Trace: [ 1623.215325] dump_stack+0x1b2/0x281 [ 1623.218946] should_fail.cold+0x10a/0x149 [ 1623.223081] should_failslab+0xd6/0x130 [ 1623.227039] kmem_cache_alloc+0x28e/0x3c0 [ 1623.231168] start_transaction+0x27c/0xf30 [ 1623.235389] ? vfs_fsync_range+0x260/0x260 [ 1623.239612] btrfs_attach_transaction_barrier+0x22/0x80 [ 1623.244956] btrfs_sync_fs+0xcd/0x430 [ 1623.248735] ? btrfs_freeze+0xb0/0xb0 [ 1623.252518] ? vfs_fsync_range+0x260/0x260 [ 1623.256736] sync_fs_one_sb+0xb1/0xe0 [ 1623.260521] iterate_supers+0x124/0x490 [ 1623.264479] sys_sync+0x9a/0x130 [ 1623.267827] ? vfs_fsync+0x210/0x210 [ 1623.271525] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1623.276520] ? vfs_fsync+0x210/0x210 [ 1623.280213] do_syscall_64+0x1d5/0x640 [ 1623.284084] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1623.289258] RIP: 0033:0x7f3c6be997c9 [ 1623.292961] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1623.300651] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1623.307899] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1623.315148] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1623.322424] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 executing program [ 1623.329682] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000010 [ 1623.336953] CPU: 0 PID: 10358 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1623.344916] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1623.354259] Call Trace: [ 1623.356845] dump_stack+0x1b2/0x281 [ 1623.360467] should_fail.cold+0x10a/0x149 [ 1623.364610] ? sync_fs_one_sb+0xb1/0xe0 [ 1623.368580] should_failslab+0xd6/0x130 [ 1623.372605] kmem_cache_alloc_node+0x54/0x410 [ 1623.377100] create_task_io_context+0x2a/0x3c0 [ 1623.381674] generic_make_request_checks+0x1350/0x19f0 [ 1623.386948] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1623.391348] ? flush_workqueue+0x129/0x1310 [ 1623.395661] ? flush_workqueue+0x49b/0x1310 [ 1623.399981] generic_make_request+0x67/0x850 [ 1623.404386] ? mempool_alloc+0x10e/0x2d0 [ 1623.408448] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1623.413892] ? blk_queue_exit+0x1d0/0x1d0 [ 1623.418034] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1623.423029] ? kmem_cache_alloc+0x35f/0x3c0 [ 1623.427332] submit_bio+0x234/0x390 [ 1623.430939] ? generic_make_request+0x850/0x850 [ 1623.435673] ? __lockdep_init_map+0x100/0x560 [ 1623.440147] ? __lockdep_init_map+0x100/0x560 [ 1623.444622] submit_bio_wait+0xe8/0x140 [ 1623.448577] ? submit_bio_wait_endio+0xb0/0xb0 [ 1623.453142] blkdev_issue_flush+0x218/0x320 [ 1623.457443] ext4_sync_fs+0x46f/0x7e0 [ 1623.461224] ? bdev_try_to_free_page+0x150/0x150 [ 1623.465959] ? iterate_supers+0xda/0x490 [ 1623.470000] ? bdev_try_to_free_page+0x150/0x150 [ 1623.474740] ? vfs_fsync_range+0x260/0x260 [ 1623.478952] sync_fs_one_sb+0xb1/0xe0 [ 1623.482730] iterate_supers+0x124/0x490 [ 1623.486688] sys_sync+0x9a/0x130 [ 1623.490033] ? vfs_fsync+0x210/0x210 [ 1623.493729] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1623.498724] ? vfs_fsync+0x210/0x210 [ 1623.502415] do_syscall_64+0x1d5/0x640 [ 1623.506283] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1623.511462] RIP: 0033:0x7f3c6be997c9 [ 1623.515150] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1623.522836] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 executing program [ 1623.530082] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1623.537342] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1623.544588] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1623.551835] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000000f [ 1623.615912] FAULT_INJECTION: forcing a failure. [ 1623.615912] name failslab, interval 1, probability 0, space 0, times 0 [ 1623.616280] FAULT_INJECTION: forcing a failure. [ 1623.616280] name failslab, interval 1, probability 0, space 0, times 0 [ 1623.628994] CPU: 1 PID: 10361 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1623.646315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1623.655655] Call Trace: [ 1623.658232] dump_stack+0x1b2/0x281 [ 1623.661845] should_fail.cold+0x10a/0x149 [ 1623.665981] should_failslab+0xd6/0x130 [ 1623.669936] kmem_cache_alloc+0x28e/0x3c0 [ 1623.674064] start_transaction+0x27c/0xf30 [ 1623.678281] ? vfs_fsync_range+0x260/0x260 [ 1623.682497] btrfs_attach_transaction_barrier+0x22/0x80 [ 1623.687845] btrfs_sync_fs+0xcd/0x430 [ 1623.691623] ? btrfs_freeze+0xb0/0xb0 [ 1623.695405] ? vfs_fsync_range+0x260/0x260 [ 1623.699617] sync_fs_one_sb+0xb1/0xe0 [ 1623.703399] iterate_supers+0x124/0x490 [ 1623.707353] sys_sync+0x9a/0x130 [ 1623.710704] ? vfs_fsync+0x210/0x210 [ 1623.714401] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1623.719395] ? vfs_fsync+0x210/0x210 [ 1623.723089] do_syscall_64+0x1d5/0x640 [ 1623.726964] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1623.732131] RIP: 0033:0x7f3c6be997c9 [ 1623.735821] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1623.743507] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1623.750762] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1623.758017] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1623.765270] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1623.772519] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000011 [ 1623.779780] CPU: 0 PID: 10372 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1623.787745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1623.797115] Call Trace: [ 1623.799688] dump_stack+0x1b2/0x281 [ 1623.803296] should_fail.cold+0x10a/0x149 [ 1623.807425] ? sync_fs_one_sb+0xb1/0xe0 [ 1623.811377] should_failslab+0xd6/0x130 [ 1623.815328] kmem_cache_alloc_node+0x54/0x410 [ 1623.819803] create_task_io_context+0x2a/0x3c0 [ 1623.824364] generic_make_request_checks+0x1350/0x19f0 [ 1623.829623] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1623.834012] ? flush_workqueue+0x129/0x1310 [ 1623.838312] ? flush_workqueue+0x49b/0x1310 [ 1623.842612] generic_make_request+0x67/0x850 [ 1623.847002] ? mempool_alloc+0x10e/0x2d0 [ 1623.851061] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1623.856502] ? blk_queue_exit+0x1d0/0x1d0 [ 1623.860640] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1623.865636] ? kmem_cache_alloc+0x35f/0x3c0 [ 1623.869940] submit_bio+0x234/0x390 [ 1623.873544] ? generic_make_request+0x850/0x850 [ 1623.878191] ? __lockdep_init_map+0x100/0x560 [ 1623.882666] ? __lockdep_init_map+0x100/0x560 [ 1623.887146] submit_bio_wait+0xe8/0x140 [ 1623.891103] ? submit_bio_wait_endio+0xb0/0xb0 [ 1623.895696] blkdev_issue_flush+0x218/0x320 [ 1623.899999] ext4_sync_fs+0x46f/0x7e0 [ 1623.903778] ? bdev_try_to_free_page+0x150/0x150 [ 1623.908508] ? iterate_supers+0xda/0x490 [ 1623.912547] ? bdev_try_to_free_page+0x150/0x150 [ 1623.917281] ? vfs_fsync_range+0x260/0x260 [ 1623.921494] sync_fs_one_sb+0xb1/0xe0 [ 1623.925272] iterate_supers+0x124/0x490 [ 1623.929226] sys_sync+0x9a/0x130 [ 1623.932569] ? vfs_fsync+0x210/0x210 [ 1623.936263] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1623.941254] ? vfs_fsync+0x210/0x210 [ 1623.944947] do_syscall_64+0x1d5/0x640 [ 1623.948815] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1623.953995] RIP: 0033:0x7f3c6be997c9 [ 1623.957684] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 executing program [ 1623.965368] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1623.972613] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1623.979860] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1623.987106] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1623.994368] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000011 executing program executing program [ 1624.131093] FAULT_INJECTION: forcing a failure. [ 1624.131093] name failslab, interval 1, probability 0, space 0, times 0 [ 1624.152685] CPU: 0 PID: 10379 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1624.160660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1624.170007] Call Trace: [ 1624.172591] dump_stack+0x1b2/0x281 [ 1624.176220] should_fail.cold+0x10a/0x149 [ 1624.180355] ? sync_fs_one_sb+0xb1/0xe0 [ 1624.184307] should_failslab+0xd6/0x130 [ 1624.188256] kmem_cache_alloc_node+0x54/0x410 [ 1624.192727] create_task_io_context+0x2a/0x3c0 [ 1624.197285] generic_make_request_checks+0x1350/0x19f0 [ 1624.202538] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1624.206920] ? flush_workqueue+0x129/0x1310 [ 1624.211247] ? flush_workqueue+0x49b/0x1310 [ 1624.215545] generic_make_request+0x67/0x850 [ 1624.219931] ? mempool_alloc+0x10e/0x2d0 [ 1624.223966] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1624.229390] ? blk_queue_exit+0x1d0/0x1d0 [ 1624.233512] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1624.238503] ? kmem_cache_alloc+0x35f/0x3c0 [ 1624.242801] submit_bio+0x234/0x390 [ 1624.246404] ? generic_make_request+0x850/0x850 [ 1624.251048] ? __lockdep_init_map+0x100/0x560 [ 1624.255519] ? __lockdep_init_map+0x100/0x560 [ 1624.259990] submit_bio_wait+0xe8/0x140 [ 1624.263940] ? submit_bio_wait_endio+0xb0/0xb0 [ 1624.268502] blkdev_issue_flush+0x218/0x320 [ 1624.272802] ext4_sync_fs+0x46f/0x7e0 [ 1624.276592] ? bdev_try_to_free_page+0x150/0x150 [ 1624.281321] ? iterate_supers+0xda/0x490 [ 1624.285373] ? bdev_try_to_free_page+0x150/0x150 [ 1624.290124] ? vfs_fsync_range+0x260/0x260 [ 1624.294333] sync_fs_one_sb+0xb1/0xe0 [ 1624.298109] iterate_supers+0x124/0x490 [ 1624.302062] sys_sync+0x9a/0x130 [ 1624.305403] ? vfs_fsync+0x210/0x210 [ 1624.309097] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1624.314108] ? vfs_fsync+0x210/0x210 [ 1624.317813] do_syscall_64+0x1d5/0x640 [ 1624.321679] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1624.326843] RIP: 0033:0x7f3c6be997c9 [ 1624.330526] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1624.338208] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1624.345451] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1624.352709] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1624.359953] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1624.367209] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000027 [ 1624.391210] FAULT_INJECTION: forcing a failure. [ 1624.391210] name failslab, interval 1, probability 0, space 0, times 0 [ 1624.393276] FAULT_INJECTION: forcing a failure. [ 1624.393276] name failslab, interval 1, probability 0, space 0, times 0 [ 1624.405544] CPU: 0 PID: 10389 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1624.421896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1624.431243] Call Trace: [ 1624.433824] dump_stack+0x1b2/0x281 [ 1624.437450] should_fail.cold+0x10a/0x149 [ 1624.441589] ? sync_fs_one_sb+0xb1/0xe0 [ 1624.445560] should_failslab+0xd6/0x130 [ 1624.449531] kmem_cache_alloc_node+0x54/0x410 [ 1624.454017] create_task_io_context+0x2a/0x3c0 [ 1624.458585] generic_make_request_checks+0x1350/0x19f0 [ 1624.463858] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1624.468261] ? flush_workqueue+0x129/0x1310 [ 1624.472579] ? flush_workqueue+0x49b/0x1310 [ 1624.476899] generic_make_request+0x67/0x850 [ 1624.481298] ? mempool_alloc+0x10e/0x2d0 [ 1624.485339] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1624.490773] ? blk_queue_exit+0x1d0/0x1d0 [ 1624.494906] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1624.499919] ? kmem_cache_alloc+0x35f/0x3c0 [ 1624.504221] submit_bio+0x234/0x390 [ 1624.507830] ? generic_make_request+0x850/0x850 [ 1624.512477] ? __lockdep_init_map+0x100/0x560 [ 1624.516949] ? __lockdep_init_map+0x100/0x560 [ 1624.521425] submit_bio_wait+0xe8/0x140 [ 1624.525380] ? submit_bio_wait_endio+0xb0/0xb0 [ 1624.529949] blkdev_issue_flush+0x218/0x320 [ 1624.534264] ext4_sync_fs+0x46f/0x7e0 [ 1624.538047] ? bdev_try_to_free_page+0x150/0x150 [ 1624.542779] ? iterate_supers+0xda/0x490 [ 1624.546818] ? bdev_try_to_free_page+0x150/0x150 [ 1624.551553] ? vfs_fsync_range+0x260/0x260 [ 1624.555764] sync_fs_one_sb+0xb1/0xe0 [ 1624.559541] iterate_supers+0x124/0x490 [ 1624.563493] sys_sync+0x9a/0x130 [ 1624.566840] ? vfs_fsync+0x210/0x210 [ 1624.570532] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1624.575526] ? vfs_fsync+0x210/0x210 [ 1624.579217] do_syscall_64+0x1d5/0x640 [ 1624.583117] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1624.588286] RIP: 0033:0x7f3c6be997c9 [ 1624.591989] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1624.599678] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1624.606923] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1624.614169] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1624.621429] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1624.628681] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000011 executing program [ 1624.635957] CPU: 1 PID: 10397 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1624.643924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1624.653266] Call Trace: [ 1624.655846] dump_stack+0x1b2/0x281 [ 1624.659471] should_fail.cold+0x10a/0x149 [ 1624.663620] should_failslab+0xd6/0x130 [ 1624.667598] kmem_cache_alloc+0x28e/0x3c0 [ 1624.671736] start_transaction+0x27c/0xf30 [ 1624.675973] ? vfs_fsync_range+0x260/0x260 [ 1624.680200] btrfs_attach_transaction_barrier+0x22/0x80 [ 1624.685563] btrfs_sync_fs+0xcd/0x430 [ 1624.689359] ? btrfs_freeze+0xb0/0xb0 [ 1624.693157] ? vfs_fsync_range+0x260/0x260 [ 1624.697386] sync_fs_one_sb+0xb1/0xe0 [ 1624.701180] iterate_supers+0x124/0x490 [ 1624.705152] sys_sync+0x9a/0x130 [ 1624.708509] ? vfs_fsync+0x210/0x210 [ 1624.712202] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1624.717205] ? vfs_fsync+0x210/0x210 [ 1624.720898] do_syscall_64+0x1d5/0x640 [ 1624.724763] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1624.729927] RIP: 0033:0x7f3c6be997c9 [ 1624.733613] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1624.741310] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1624.748557] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1624.755814] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1624.763056] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1624.770309] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000010 [ 1624.784079] FAULT_INJECTION: forcing a failure. [ 1624.784079] name failslab, interval 1, probability 0, space 0, times 0 [ 1624.805398] CPU: 1 PID: 10403 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1624.813372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1624.822704] Call Trace: [ 1624.825276] dump_stack+0x1b2/0x281 [ 1624.828884] should_fail.cold+0x10a/0x149 [ 1624.833028] ? sync_fs_one_sb+0xb1/0xe0 [ 1624.836980] should_failslab+0xd6/0x130 [ 1624.840934] kmem_cache_alloc_node+0x54/0x410 [ 1624.845419] create_task_io_context+0x2a/0x3c0 [ 1624.849988] generic_make_request_checks+0x1350/0x19f0 [ 1624.855245] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1624.859644] ? flush_workqueue+0x129/0x1310 [ 1624.863943] ? flush_workqueue+0x49b/0x1310 [ 1624.868242] generic_make_request+0x67/0x850 [ 1624.872631] ? mempool_alloc+0x10e/0x2d0 [ 1624.876671] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1624.882098] ? blk_queue_exit+0x1d0/0x1d0 [ 1624.886222] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1624.891215] ? kmem_cache_alloc+0x35f/0x3c0 [ 1624.895518] submit_bio+0x234/0x390 [ 1624.899125] ? generic_make_request+0x850/0x850 [ 1624.903774] ? __lockdep_init_map+0x100/0x560 [ 1624.908244] ? __lockdep_init_map+0x100/0x560 [ 1624.912720] submit_bio_wait+0xe8/0x140 [ 1624.916676] ? submit_bio_wait_endio+0xb0/0xb0 [ 1624.921254] blkdev_issue_flush+0x218/0x320 [ 1624.925557] ext4_sync_fs+0x46f/0x7e0 [ 1624.929343] ? bdev_try_to_free_page+0x150/0x150 [ 1624.934075] ? iterate_supers+0xda/0x490 [ 1624.938115] ? bdev_try_to_free_page+0x150/0x150 [ 1624.942848] ? vfs_fsync_range+0x260/0x260 [ 1624.947060] sync_fs_one_sb+0xb1/0xe0 [ 1624.950840] iterate_supers+0x124/0x490 [ 1624.954794] sys_sync+0x9a/0x130 [ 1624.958153] ? vfs_fsync+0x210/0x210 [ 1624.961847] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1624.966838] ? vfs_fsync+0x210/0x210 [ 1624.970533] do_syscall_64+0x1d5/0x640 [ 1624.974414] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1624.979579] RIP: 0033:0x7f3c6be997c9 [ 1624.983267] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 executing program executing program [ 1624.990953] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1624.998199] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1625.005450] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1625.012699] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1625.019960] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000028 [ 1625.031491] FAULT_INJECTION: forcing a failure. [ 1625.031491] name failslab, interval 1, probability 0, space 0, times 0 [ 1625.060989] CPU: 1 PID: 10407 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1625.068960] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1625.078303] Call Trace: [ 1625.080888] dump_stack+0x1b2/0x281 [ 1625.084514] should_fail.cold+0x10a/0x149 [ 1625.088670] ? sync_fs_one_sb+0xb1/0xe0 [ 1625.092641] should_failslab+0xd6/0x130 [ 1625.096618] kmem_cache_alloc_node+0x54/0x410 [ 1625.101109] create_task_io_context+0x2a/0x3c0 [ 1625.105691] generic_make_request_checks+0x1350/0x19f0 [ 1625.110964] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1625.115366] ? flush_workqueue+0x129/0x1310 [ 1625.119681] ? flush_workqueue+0x49b/0x1310 [ 1625.123999] generic_make_request+0x67/0x850 [ 1625.128400] ? mempool_alloc+0x10e/0x2d0 [ 1625.132454] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1625.137894] ? blk_queue_exit+0x1d0/0x1d0 [ 1625.142032] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1625.147039] ? kmem_cache_alloc+0x35f/0x3c0 [ 1625.151353] submit_bio+0x234/0x390 [ 1625.154972] ? generic_make_request+0x850/0x850 [ 1625.159633] ? __lockdep_init_map+0x100/0x560 [ 1625.164115] ? __lockdep_init_map+0x100/0x560 [ 1625.168590] submit_bio_wait+0xe8/0x140 [ 1625.172551] ? submit_bio_wait_endio+0xb0/0xb0 [ 1625.177119] blkdev_issue_flush+0x218/0x320 [ 1625.181427] ext4_sync_fs+0x46f/0x7e0 [ 1625.185209] ? bdev_try_to_free_page+0x150/0x150 [ 1625.189958] ? iterate_supers+0xda/0x490 [ 1625.193998] ? bdev_try_to_free_page+0x150/0x150 [ 1625.198734] ? vfs_fsync_range+0x260/0x260 [ 1625.202946] sync_fs_one_sb+0xb1/0xe0 [ 1625.206896] iterate_supers+0x124/0x490 [ 1625.210942] sys_sync+0x9a/0x130 [ 1625.214290] ? vfs_fsync+0x210/0x210 [ 1625.217981] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1625.222970] ? vfs_fsync+0x210/0x210 [ 1625.226661] do_syscall_64+0x1d5/0x640 [ 1625.230544] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1625.235714] RIP: 0033:0x7f3c6be997c9 [ 1625.239402] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1625.247087] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1625.254332] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 executing program [ 1625.261582] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1625.268969] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1625.276217] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000012 [ 1625.340839] FAULT_INJECTION: forcing a failure. [ 1625.340839] name failslab, interval 1, probability 0, space 0, times 0 [ 1625.352252] FAULT_INJECTION: forcing a failure. [ 1625.352252] name failslab, interval 1, probability 0, space 0, times 0 [ 1625.353815] CPU: 0 PID: 10405 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1625.371427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1625.380760] Call Trace: [ 1625.383331] dump_stack+0x1b2/0x281 [ 1625.386954] should_fail.cold+0x10a/0x149 [ 1625.391079] ? sync_fs_one_sb+0xb1/0xe0 [ 1625.395035] should_failslab+0xd6/0x130 [ 1625.398999] kmem_cache_alloc_node+0x54/0x410 [ 1625.403480] create_task_io_context+0x2a/0x3c0 [ 1625.408053] generic_make_request_checks+0x1350/0x19f0 [ 1625.413309] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1625.417702] ? flush_workqueue+0x129/0x1310 [ 1625.422003] ? flush_workqueue+0x49b/0x1310 [ 1625.426311] generic_make_request+0x67/0x850 [ 1625.430700] ? mempool_alloc+0x10e/0x2d0 [ 1625.434744] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1625.440173] ? blk_queue_exit+0x1d0/0x1d0 [ 1625.444299] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1625.449295] ? kmem_cache_alloc+0x35f/0x3c0 [ 1625.453599] submit_bio+0x234/0x390 [ 1625.457204] ? generic_make_request+0x850/0x850 [ 1625.461852] ? __lockdep_init_map+0x100/0x560 [ 1625.466331] ? __lockdep_init_map+0x100/0x560 [ 1625.470810] submit_bio_wait+0xe8/0x140 [ 1625.474762] ? submit_bio_wait_endio+0xb0/0xb0 [ 1625.479341] blkdev_issue_flush+0x218/0x320 [ 1625.483648] ext4_sync_fs+0x46f/0x7e0 [ 1625.487429] ? bdev_try_to_free_page+0x150/0x150 [ 1625.492251] ? iterate_supers+0xda/0x490 [ 1625.496290] ? bdev_try_to_free_page+0x150/0x150 [ 1625.501028] ? vfs_fsync_range+0x260/0x260 [ 1625.505256] sync_fs_one_sb+0xb1/0xe0 [ 1625.509036] iterate_supers+0x124/0x490 [ 1625.512989] sys_sync+0x9a/0x130 [ 1625.516336] ? vfs_fsync+0x210/0x210 [ 1625.520036] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1625.525031] ? vfs_fsync+0x210/0x210 [ 1625.528721] do_syscall_64+0x1d5/0x640 [ 1625.532614] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1625.537782] RIP: 0033:0x7f3c6be997c9 [ 1625.541471] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1625.549157] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1625.556405] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1625.563650] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1625.570916] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1625.578164] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000011 [ 1625.585426] CPU: 1 PID: 10419 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1625.593388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1625.602726] Call Trace: [ 1625.605296] dump_stack+0x1b2/0x281 [ 1625.608903] should_fail.cold+0x10a/0x149 [ 1625.613028] ? sync_fs_one_sb+0xb1/0xe0 [ 1625.616980] should_failslab+0xd6/0x130 [ 1625.620935] kmem_cache_alloc_node+0x54/0x410 [ 1625.625424] create_task_io_context+0x2a/0x3c0 [ 1625.630001] generic_make_request_checks+0x1350/0x19f0 [ 1625.635257] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1625.639644] ? flush_workqueue+0x129/0x1310 [ 1625.643956] ? flush_workqueue+0x49b/0x1310 [ 1625.648256] generic_make_request+0x67/0x850 [ 1625.652644] ? mempool_alloc+0x10e/0x2d0 [ 1625.656696] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1625.662122] ? blk_queue_exit+0x1d0/0x1d0 [ 1625.666246] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1625.671237] ? kmem_cache_alloc+0x35f/0x3c0 [ 1625.675539] submit_bio+0x234/0x390 [ 1625.679145] ? generic_make_request+0x850/0x850 [ 1625.683790] ? __lockdep_init_map+0x100/0x560 [ 1625.688261] ? __lockdep_init_map+0x100/0x560 [ 1625.692734] submit_bio_wait+0xe8/0x140 [ 1625.696698] ? submit_bio_wait_endio+0xb0/0xb0 [ 1625.701268] blkdev_issue_flush+0x218/0x320 [ 1625.705585] ext4_sync_fs+0x46f/0x7e0 [ 1625.709377] ? bdev_try_to_free_page+0x150/0x150 [ 1625.714107] ? iterate_supers+0xda/0x490 [ 1625.718146] ? bdev_try_to_free_page+0x150/0x150 [ 1625.722878] ? vfs_fsync_range+0x260/0x260 [ 1625.727089] sync_fs_one_sb+0xb1/0xe0 [ 1625.730868] iterate_supers+0x124/0x490 [ 1625.734822] sys_sync+0x9a/0x130 [ 1625.738172] ? vfs_fsync+0x210/0x210 [ 1625.741864] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1625.746855] ? vfs_fsync+0x210/0x210 [ 1625.750549] do_syscall_64+0x1d5/0x640 [ 1625.754416] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1625.759586] RIP: 0033:0x7f3c6be997c9 [ 1625.763273] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1625.770975] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1625.778223] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1625.785471] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 executing program executing program [ 1625.792718] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1625.799967] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000012 [ 1625.861502] FAULT_INJECTION: forcing a failure. [ 1625.861502] name failslab, interval 1, probability 0, space 0, times 0 [ 1625.874085] FAULT_INJECTION: forcing a failure. [ 1625.874085] name failslab, interval 1, probability 0, space 0, times 0 [ 1625.876854] CPU: 1 PID: 10424 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1625.893228] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1625.902572] Call Trace: [ 1625.905144] dump_stack+0x1b2/0x281 [ 1625.908752] should_fail.cold+0x10a/0x149 [ 1625.912883] ? sync_fs_one_sb+0xb1/0xe0 [ 1625.916843] should_failslab+0xd6/0x130 [ 1625.920800] kmem_cache_alloc_node+0x54/0x410 [ 1625.925276] create_task_io_context+0x2a/0x3c0 [ 1625.929838] generic_make_request_checks+0x1350/0x19f0 [ 1625.935108] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1625.939503] ? flush_workqueue+0x129/0x1310 [ 1625.943810] ? flush_workqueue+0x49b/0x1310 [ 1625.948117] generic_make_request+0x67/0x850 [ 1625.952518] ? mempool_alloc+0x10e/0x2d0 [ 1625.956570] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1625.962003] ? blk_queue_exit+0x1d0/0x1d0 [ 1625.966129] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1625.971129] ? kmem_cache_alloc+0x35f/0x3c0 [ 1625.975435] submit_bio+0x234/0x390 [ 1625.979042] ? generic_make_request+0x850/0x850 [ 1625.983690] ? __lockdep_init_map+0x100/0x560 [ 1625.988161] ? __lockdep_init_map+0x100/0x560 [ 1625.992644] submit_bio_wait+0xe8/0x140 [ 1625.996630] ? submit_bio_wait_endio+0xb0/0xb0 [ 1626.001199] blkdev_issue_flush+0x218/0x320 [ 1626.005519] ext4_sync_fs+0x46f/0x7e0 [ 1626.009298] ? bdev_try_to_free_page+0x150/0x150 [ 1626.014030] ? iterate_supers+0xda/0x490 [ 1626.018078] ? bdev_try_to_free_page+0x150/0x150 [ 1626.022821] ? vfs_fsync_range+0x260/0x260 [ 1626.027035] sync_fs_one_sb+0xb1/0xe0 [ 1626.030815] iterate_supers+0x124/0x490 [ 1626.034783] sys_sync+0x9a/0x130 [ 1626.038132] ? vfs_fsync+0x210/0x210 [ 1626.041827] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1626.046827] ? vfs_fsync+0x210/0x210 [ 1626.050518] do_syscall_64+0x1d5/0x640 [ 1626.054391] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1626.059591] RIP: 0033:0x7f3c6be997c9 [ 1626.063282] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1626.070968] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1626.078219] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1626.085471] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1626.092720] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1626.099970] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000029 executing program [ 1626.137064] CPU: 1 PID: 10427 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1626.145071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1626.154415] Call Trace: [ 1626.157008] dump_stack+0x1b2/0x281 [ 1626.160636] should_fail.cold+0x10a/0x149 [ 1626.164777] ? sync_fs_one_sb+0xb1/0xe0 [ 1626.168747] should_failslab+0xd6/0x130 [ 1626.172722] kmem_cache_alloc_node+0x54/0x410 [ 1626.177214] create_task_io_context+0x2a/0x3c0 [ 1626.181793] generic_make_request_checks+0x1350/0x19f0 [ 1626.187065] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1626.191459] ? flush_workqueue+0x129/0x1310 [ 1626.195765] ? flush_workqueue+0x49b/0x1310 [ 1626.200080] generic_make_request+0x67/0x850 [ 1626.204469] ? mempool_alloc+0x10e/0x2d0 [ 1626.208505] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1626.213927] ? blk_queue_exit+0x1d0/0x1d0 [ 1626.218050] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1626.223050] ? kmem_cache_alloc+0x35f/0x3c0 [ 1626.227385] submit_bio+0x234/0x390 [ 1626.230998] ? generic_make_request+0x850/0x850 [ 1626.235655] ? __lockdep_init_map+0x100/0x560 [ 1626.240135] ? __lockdep_init_map+0x100/0x560 [ 1626.244615] submit_bio_wait+0xe8/0x140 [ 1626.248573] ? submit_bio_wait_endio+0xb0/0xb0 [ 1626.253139] blkdev_issue_flush+0x218/0x320 [ 1626.257442] ext4_sync_fs+0x46f/0x7e0 [ 1626.261224] ? bdev_try_to_free_page+0x150/0x150 [ 1626.265963] ? iterate_supers+0xda/0x490 [ 1626.270002] ? bdev_try_to_free_page+0x150/0x150 [ 1626.274736] ? vfs_fsync_range+0x260/0x260 [ 1626.278954] sync_fs_one_sb+0xb1/0xe0 [ 1626.282746] iterate_supers+0x124/0x490 [ 1626.286709] sys_sync+0x9a/0x130 [ 1626.290068] ? vfs_fsync+0x210/0x210 [ 1626.293767] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1626.298757] ? vfs_fsync+0x210/0x210 [ 1626.302458] do_syscall_64+0x1d5/0x640 [ 1626.306330] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1626.311495] RIP: 0033:0x7f3c6be997c9 [ 1626.315187] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1626.322876] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1626.330130] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 executing program [ 1626.337394] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1626.344641] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1626.351890] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000011 [ 1626.371631] FAULT_INJECTION: forcing a failure. [ 1626.371631] name failslab, interval 1, probability 0, space 0, times 0 [ 1626.372905] FAULT_INJECTION: forcing a failure. [ 1626.372905] name failslab, interval 1, probability 0, space 0, times 0 [ 1626.399906] CPU: 0 PID: 10435 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1626.407873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1626.410392] FAULT_INJECTION: forcing a failure. [ 1626.410392] name failslab, interval 1, probability 0, space 0, times 0 [ 1626.417210] Call Trace: [ 1626.417224] dump_stack+0x1b2/0x281 [ 1626.417237] should_fail.cold+0x10a/0x149 [ 1626.417246] ? sync_fs_one_sb+0xb1/0xe0 [ 1626.417258] should_failslab+0xd6/0x130 [ 1626.446707] kmem_cache_alloc_node+0x54/0x410 [ 1626.451198] create_task_io_context+0x2a/0x3c0 [ 1626.455761] generic_make_request_checks+0x1350/0x19f0 [ 1626.461018] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1626.465413] ? flush_workqueue+0x129/0x1310 [ 1626.469714] ? flush_workqueue+0x49b/0x1310 [ 1626.474016] generic_make_request+0x67/0x850 [ 1626.478404] ? mempool_alloc+0x10e/0x2d0 [ 1626.482462] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1626.487889] ? blk_queue_exit+0x1d0/0x1d0 [ 1626.492014] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1626.497016] ? kmem_cache_alloc+0x35f/0x3c0 [ 1626.501317] submit_bio+0x234/0x390 [ 1626.504923] ? generic_make_request+0x850/0x850 [ 1626.509573] ? __lockdep_init_map+0x100/0x560 [ 1626.514049] ? __lockdep_init_map+0x100/0x560 [ 1626.518534] submit_bio_wait+0xe8/0x140 [ 1626.522486] ? submit_bio_wait_endio+0xb0/0xb0 [ 1626.527054] blkdev_issue_flush+0x218/0x320 [ 1626.531357] ext4_sync_fs+0x46f/0x7e0 [ 1626.535139] ? bdev_try_to_free_page+0x150/0x150 [ 1626.539873] ? iterate_supers+0xda/0x490 [ 1626.543913] ? bdev_try_to_free_page+0x150/0x150 [ 1626.548648] ? vfs_fsync_range+0x260/0x260 [ 1626.552861] sync_fs_one_sb+0xb1/0xe0 [ 1626.556672] iterate_supers+0x124/0x490 [ 1626.560626] sys_sync+0x9a/0x130 [ 1626.563986] ? vfs_fsync+0x210/0x210 [ 1626.567680] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1626.572673] ? vfs_fsync+0x210/0x210 [ 1626.576366] do_syscall_64+0x1d5/0x640 [ 1626.580238] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1626.585412] RIP: 0033:0x7f3c6be997c9 executing program [ 1626.589113] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1626.596799] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1626.604049] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1626.611300] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1626.618550] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1626.625797] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000012 [ 1626.633057] CPU: 1 PID: 10442 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1626.641013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1626.650347] Call Trace: [ 1626.652915] dump_stack+0x1b2/0x281 [ 1626.656527] should_fail.cold+0x10a/0x149 [ 1626.660651] ? sync_fs_one_sb+0xb1/0xe0 [ 1626.664602] should_failslab+0xd6/0x130 [ 1626.668555] kmem_cache_alloc_node+0x54/0x410 [ 1626.673034] create_task_io_context+0x2a/0x3c0 [ 1626.677597] generic_make_request_checks+0x1350/0x19f0 [ 1626.682856] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1626.687241] ? flush_workqueue+0x129/0x1310 [ 1626.691539] ? flush_workqueue+0x49b/0x1310 [ 1626.695840] generic_make_request+0x67/0x850 [ 1626.700227] ? mempool_alloc+0x10e/0x2d0 [ 1626.704264] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1626.709692] ? blk_queue_exit+0x1d0/0x1d0 [ 1626.713817] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1626.718811] ? kmem_cache_alloc+0x35f/0x3c0 [ 1626.723123] submit_bio+0x234/0x390 [ 1626.726731] ? generic_make_request+0x850/0x850 [ 1626.731378] ? __lockdep_init_map+0x100/0x560 [ 1626.735863] ? __lockdep_init_map+0x100/0x560 [ 1626.740336] submit_bio_wait+0xe8/0x140 [ 1626.744287] ? submit_bio_wait_endio+0xb0/0xb0 [ 1626.748854] blkdev_issue_flush+0x218/0x320 [ 1626.753156] ext4_sync_fs+0x46f/0x7e0 [ 1626.756940] ? bdev_try_to_free_page+0x150/0x150 [ 1626.761671] ? iterate_supers+0xda/0x490 [ 1626.765740] ? bdev_try_to_free_page+0x150/0x150 [ 1626.770473] ? vfs_fsync_range+0x260/0x260 [ 1626.774683] sync_fs_one_sb+0xb1/0xe0 [ 1626.778459] iterate_supers+0x124/0x490 [ 1626.782416] sys_sync+0x9a/0x130 [ 1626.785760] ? vfs_fsync+0x210/0x210 [ 1626.789452] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1626.794444] ? vfs_fsync+0x210/0x210 [ 1626.798134] do_syscall_64+0x1d5/0x640 [ 1626.802003] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1626.807173] RIP: 0033:0x7f3c6be997c9 [ 1626.810877] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1626.818563] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1626.825809] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1626.833056] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1626.840303] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1626.847552] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000002a [ 1626.865912] CPU: 1 PID: 10438 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1626.873876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1626.883206] Call Trace: [ 1626.885775] dump_stack+0x1b2/0x281 [ 1626.889385] should_fail.cold+0x10a/0x149 [ 1626.893514] ? sync_fs_one_sb+0xb1/0xe0 [ 1626.897466] should_failslab+0xd6/0x130 [ 1626.901443] kmem_cache_alloc_node+0x54/0x410 [ 1626.905935] create_task_io_context+0x2a/0x3c0 [ 1626.910498] generic_make_request_checks+0x1350/0x19f0 [ 1626.915766] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1626.920152] ? flush_workqueue+0x129/0x1310 [ 1626.924451] ? flush_workqueue+0x49b/0x1310 [ 1626.928750] generic_make_request+0x67/0x850 [ 1626.933137] ? mempool_alloc+0x10e/0x2d0 [ 1626.937174] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1626.942605] ? blk_queue_exit+0x1d0/0x1d0 [ 1626.946732] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1626.951725] ? kmem_cache_alloc+0x35f/0x3c0 [ 1626.956027] submit_bio+0x234/0x390 [ 1626.959633] ? generic_make_request+0x850/0x850 [ 1626.964281] ? __lockdep_init_map+0x100/0x560 [ 1626.968755] ? __lockdep_init_map+0x100/0x560 [ 1626.973229] submit_bio_wait+0xe8/0x140 [ 1626.977186] ? submit_bio_wait_endio+0xb0/0xb0 [ 1626.981751] blkdev_issue_flush+0x218/0x320 [ 1626.986050] ext4_sync_fs+0x46f/0x7e0 [ 1626.989828] ? bdev_try_to_free_page+0x150/0x150 [ 1626.994574] ? iterate_supers+0xda/0x490 [ 1626.998613] ? bdev_try_to_free_page+0x150/0x150 [ 1627.003354] ? vfs_fsync_range+0x260/0x260 [ 1627.007569] sync_fs_one_sb+0xb1/0xe0 [ 1627.011347] iterate_supers+0x124/0x490 [ 1627.015301] sys_sync+0x9a/0x130 [ 1627.018659] ? vfs_fsync+0x210/0x210 [ 1627.022369] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1627.027369] ? vfs_fsync+0x210/0x210 [ 1627.031062] do_syscall_64+0x1d5/0x640 [ 1627.034932] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1627.040105] RIP: 0033:0x7f3c6be997c9 [ 1627.043797] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1627.051491] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1627.058745] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1627.065996] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1627.073247] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1627.080493] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000013 executing program executing program executing program [ 1627.157788] FAULT_INJECTION: forcing a failure. [ 1627.157788] name failslab, interval 1, probability 0, space 0, times 0 executing program [ 1627.212341] FAULT_INJECTION: forcing a failure. [ 1627.212341] name failslab, interval 1, probability 0, space 0, times 0 [ 1627.224321] CPU: 1 PID: 10452 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1627.232291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1627.241640] Call Trace: [ 1627.244229] dump_stack+0x1b2/0x281 [ 1627.247900] should_fail.cold+0x10a/0x149 [ 1627.252047] ? sync_fs_one_sb+0xb1/0xe0 [ 1627.256019] should_failslab+0xd6/0x130 [ 1627.259994] kmem_cache_alloc_node+0x54/0x410 [ 1627.264491] create_task_io_context+0x2a/0x3c0 [ 1627.269080] generic_make_request_checks+0x1350/0x19f0 [ 1627.274361] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1627.278765] ? flush_workqueue+0x129/0x1310 [ 1627.283083] ? flush_workqueue+0x49b/0x1310 [ 1627.287405] generic_make_request+0x67/0x850 [ 1627.291804] ? mempool_alloc+0x10e/0x2d0 [ 1627.295853] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1627.301283] ? blk_queue_exit+0x1d0/0x1d0 [ 1627.305416] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1627.310419] ? kmem_cache_alloc+0x35f/0x3c0 [ 1627.314744] submit_bio+0x234/0x390 [ 1627.318439] ? generic_make_request+0x850/0x850 [ 1627.323086] ? __lockdep_init_map+0x100/0x560 [ 1627.327567] ? __lockdep_init_map+0x100/0x560 [ 1627.332059] submit_bio_wait+0xe8/0x140 [ 1627.336020] ? submit_bio_wait_endio+0xb0/0xb0 [ 1627.340597] blkdev_issue_flush+0x218/0x320 [ 1627.344907] ext4_sync_fs+0x46f/0x7e0 [ 1627.348702] ? bdev_try_to_free_page+0x150/0x150 [ 1627.353438] ? iterate_supers+0xda/0x490 [ 1627.357482] ? bdev_try_to_free_page+0x150/0x150 [ 1627.362221] ? vfs_fsync_range+0x260/0x260 [ 1627.366441] sync_fs_one_sb+0xb1/0xe0 [ 1627.370229] iterate_supers+0x124/0x490 [ 1627.374189] sys_sync+0x9a/0x130 [ 1627.377533] ? vfs_fsync+0x210/0x210 [ 1627.381229] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1627.386221] ? vfs_fsync+0x210/0x210 [ 1627.389915] do_syscall_64+0x1d5/0x640 [ 1627.393785] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1627.398955] RIP: 0033:0x7f3c6be997c9 [ 1627.402646] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1627.410336] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1627.417597] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1627.424850] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1627.432100] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1627.439354] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000013 [ 1627.446628] CPU: 0 PID: 10462 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1627.454593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1627.463931] Call Trace: [ 1627.466498] dump_stack+0x1b2/0x281 [ 1627.470103] should_fail.cold+0x10a/0x149 [ 1627.474229] should_failslab+0xd6/0x130 [ 1627.478177] kmem_cache_alloc+0x28e/0x3c0 [ 1627.482301] start_transaction+0x27c/0xf30 [ 1627.486518] ? vfs_fsync_range+0x260/0x260 [ 1627.490727] btrfs_attach_transaction_barrier+0x22/0x80 [ 1627.496085] btrfs_sync_fs+0xcd/0x430 [ 1627.499859] ? btrfs_freeze+0xb0/0xb0 [ 1627.503633] ? vfs_fsync_range+0x260/0x260 [ 1627.507857] sync_fs_one_sb+0xb1/0xe0 [ 1627.511631] iterate_supers+0x124/0x490 [ 1627.515594] sys_sync+0x9a/0x130 [ 1627.518938] ? vfs_fsync+0x210/0x210 [ 1627.522643] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1627.527633] ? vfs_fsync+0x210/0x210 [ 1627.531323] do_syscall_64+0x1d5/0x640 [ 1627.535188] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1627.540353] RIP: 0033:0x7f3c6be997c9 [ 1627.544037] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1627.551721] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1627.558986] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1627.566232] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1627.573492] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1627.580734] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000014 [ 1627.589654] FAULT_INJECTION: forcing a failure. [ 1627.589654] name failslab, interval 1, probability 0, space 0, times 0 [ 1627.590630] FAULT_INJECTION: forcing a failure. [ 1627.590630] name failslab, interval 1, probability 0, space 0, times 0 [ 1627.601211] CPU: 0 PID: 10463 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1627.620130] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1627.629486] Call Trace: [ 1627.632070] dump_stack+0x1b2/0x281 [ 1627.635693] should_fail.cold+0x10a/0x149 [ 1627.639831] ? sync_fs_one_sb+0xb1/0xe0 [ 1627.643787] should_failslab+0xd6/0x130 [ 1627.647745] kmem_cache_alloc_node+0x54/0x410 [ 1627.652220] create_task_io_context+0x2a/0x3c0 [ 1627.656783] generic_make_request_checks+0x1350/0x19f0 [ 1627.662042] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1627.666866] ? flush_workqueue+0x129/0x1310 [ 1627.671178] ? flush_workqueue+0x49b/0x1310 [ 1627.675486] generic_make_request+0x67/0x850 [ 1627.679885] ? mempool_alloc+0x10e/0x2d0 [ 1627.683949] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1627.689379] ? blk_queue_exit+0x1d0/0x1d0 [ 1627.693506] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1627.698504] ? kmem_cache_alloc+0x35f/0x3c0 [ 1627.702822] submit_bio+0x234/0x390 [ 1627.706429] ? generic_make_request+0x850/0x850 [ 1627.711098] ? __lockdep_init_map+0x100/0x560 [ 1627.715574] ? __lockdep_init_map+0x100/0x560 [ 1627.720058] submit_bio_wait+0xe8/0x140 [ 1627.724018] ? submit_bio_wait_endio+0xb0/0xb0 [ 1627.728586] blkdev_issue_flush+0x218/0x320 [ 1627.732888] ext4_sync_fs+0x46f/0x7e0 [ 1627.736668] ? bdev_try_to_free_page+0x150/0x150 [ 1627.741402] ? iterate_supers+0xda/0x490 [ 1627.745461] ? bdev_try_to_free_page+0x150/0x150 [ 1627.750200] ? vfs_fsync_range+0x260/0x260 [ 1627.754423] sync_fs_one_sb+0xb1/0xe0 [ 1627.758220] iterate_supers+0x124/0x490 [ 1627.762176] sys_sync+0x9a/0x130 [ 1627.765537] ? vfs_fsync+0x210/0x210 [ 1627.769231] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1627.774222] ? vfs_fsync+0x210/0x210 [ 1627.777931] do_syscall_64+0x1d5/0x640 [ 1627.781807] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1627.786980] RIP: 0033:0x7f3c6be997c9 [ 1627.790670] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1627.798357] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1627.805610] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1627.812858] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1627.820114] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1627.827373] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000012 [ 1627.834635] CPU: 1 PID: 10458 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1627.842597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1627.851938] Call Trace: [ 1627.854520] dump_stack+0x1b2/0x281 [ 1627.858146] should_fail.cold+0x10a/0x149 [ 1627.862295] should_failslab+0xd6/0x130 [ 1627.866264] kmem_cache_alloc+0x28e/0x3c0 [ 1627.870409] start_transaction+0x27c/0xf30 [ 1627.874645] ? vfs_fsync_range+0x260/0x260 [ 1627.878887] btrfs_attach_transaction_barrier+0x22/0x80 [ 1627.884247] btrfs_sync_fs+0xcd/0x430 [ 1627.888044] ? btrfs_freeze+0xb0/0xb0 [ 1627.891838] ? vfs_fsync_range+0x260/0x260 [ 1627.896065] sync_fs_one_sb+0xb1/0xe0 [ 1627.899854] iterate_supers+0x124/0x490 [ 1627.903824] sys_sync+0x9a/0x130 [ 1627.907177] ? vfs_fsync+0x210/0x210 [ 1627.910872] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1627.915859] ? vfs_fsync+0x210/0x210 [ 1627.919547] do_syscall_64+0x1d5/0x640 [ 1627.923414] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1627.928577] RIP: 0033:0x7f3c6be997c9 [ 1627.932260] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1627.939958] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1627.947216] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1627.954470] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 executing program executing program [ 1627.961725] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1627.968968] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000012 [ 1628.072254] FAULT_INJECTION: forcing a failure. [ 1628.072254] name failslab, interval 1, probability 0, space 0, times 0 [ 1628.083690] CPU: 1 PID: 10465 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1628.091650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1628.100989] Call Trace: [ 1628.103569] dump_stack+0x1b2/0x281 [ 1628.107183] should_fail.cold+0x10a/0x149 [ 1628.111306] ? sync_fs_one_sb+0xb1/0xe0 [ 1628.115258] should_failslab+0xd6/0x130 [ 1628.119229] kmem_cache_alloc_node+0x54/0x410 [ 1628.123713] create_task_io_context+0x2a/0x3c0 [ 1628.128282] generic_make_request_checks+0x1350/0x19f0 [ 1628.133536] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1628.137921] ? flush_workqueue+0x129/0x1310 [ 1628.142222] ? flush_workqueue+0x49b/0x1310 [ 1628.146532] generic_make_request+0x67/0x850 [ 1628.150917] ? mempool_alloc+0x10e/0x2d0 [ 1628.154955] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1628.160390] ? blk_queue_exit+0x1d0/0x1d0 [ 1628.164524] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1628.169518] ? kmem_cache_alloc+0x35f/0x3c0 [ 1628.173827] submit_bio+0x234/0x390 [ 1628.177441] ? generic_make_request+0x850/0x850 [ 1628.182093] ? __lockdep_init_map+0x100/0x560 [ 1628.186569] ? __lockdep_init_map+0x100/0x560 [ 1628.191060] submit_bio_wait+0xe8/0x140 [ 1628.195013] ? submit_bio_wait_endio+0xb0/0xb0 [ 1628.199577] blkdev_issue_flush+0x218/0x320 [ 1628.203884] ext4_sync_fs+0x46f/0x7e0 [ 1628.207668] ? bdev_try_to_free_page+0x150/0x150 [ 1628.212413] ? iterate_supers+0xda/0x490 [ 1628.216464] ? bdev_try_to_free_page+0x150/0x150 [ 1628.221207] ? vfs_fsync_range+0x260/0x260 [ 1628.225439] sync_fs_one_sb+0xb1/0xe0 [ 1628.229222] iterate_supers+0x124/0x490 [ 1628.233197] sys_sync+0x9a/0x130 [ 1628.236544] ? vfs_fsync+0x210/0x210 [ 1628.240256] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1628.245272] ? vfs_fsync+0x210/0x210 [ 1628.248970] do_syscall_64+0x1d5/0x640 [ 1628.252845] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1628.258040] RIP: 0033:0x7f3c6be997c9 [ 1628.261734] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1628.269428] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1628.276676] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1628.283932] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1628.291186] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1628.298436] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000002b executing program [ 1628.321765] FAULT_INJECTION: forcing a failure. [ 1628.321765] name failslab, interval 1, probability 0, space 0, times 0 [ 1628.338254] CPU: 1 PID: 10474 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1628.346226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1628.355570] Call Trace: [ 1628.358151] dump_stack+0x1b2/0x281 [ 1628.361785] should_fail.cold+0x10a/0x149 [ 1628.365930] should_failslab+0xd6/0x130 [ 1628.369898] kmem_cache_alloc+0x28e/0x3c0 [ 1628.374034] start_transaction+0x27c/0xf30 [ 1628.378252] ? vfs_fsync_range+0x260/0x260 [ 1628.382468] btrfs_attach_transaction_barrier+0x22/0x80 [ 1628.387810] btrfs_sync_fs+0xcd/0x430 [ 1628.391591] ? btrfs_freeze+0xb0/0xb0 [ 1628.395369] ? vfs_fsync_range+0x260/0x260 [ 1628.399581] sync_fs_one_sb+0xb1/0xe0 [ 1628.403357] iterate_supers+0x124/0x490 [ 1628.407326] sys_sync+0x9a/0x130 [ 1628.410669] ? vfs_fsync+0x210/0x210 [ 1628.414377] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1628.419384] ? vfs_fsync+0x210/0x210 [ 1628.423072] do_syscall_64+0x1d5/0x640 [ 1628.426940] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1628.432112] RIP: 0033:0x7f3c6be997c9 [ 1628.435804] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1628.443491] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1628.450737] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1628.457983] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1628.465245] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 executing program [ 1628.472504] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000013 [ 1628.487991] FAULT_INJECTION: forcing a failure. [ 1628.487991] name failslab, interval 1, probability 0, space 0, times 0 executing program executing program [ 1628.532251] CPU: 1 PID: 10487 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1628.540230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1628.549575] Call Trace: [ 1628.552159] dump_stack+0x1b2/0x281 [ 1628.555790] should_fail.cold+0x10a/0x149 [ 1628.559932] ? sync_fs_one_sb+0xb1/0xe0 [ 1628.563902] should_failslab+0xd6/0x130 [ 1628.567876] kmem_cache_alloc_node+0x54/0x410 [ 1628.572367] create_task_io_context+0x2a/0x3c0 [ 1628.576944] generic_make_request_checks+0x1350/0x19f0 [ 1628.582216] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1628.586621] ? flush_workqueue+0x129/0x1310 [ 1628.590937] ? flush_workqueue+0x49b/0x1310 [ 1628.595258] generic_make_request+0x67/0x850 [ 1628.599663] ? mempool_alloc+0x10e/0x2d0 [ 1628.603720] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1628.609165] ? blk_queue_exit+0x1d0/0x1d0 [ 1628.613305] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1628.618317] ? kmem_cache_alloc+0x35f/0x3c0 [ 1628.622633] submit_bio+0x234/0x390 [ 1628.626254] ? generic_make_request+0x850/0x850 [ 1628.630914] ? __lockdep_init_map+0x100/0x560 [ 1628.635401] ? __lockdep_init_map+0x100/0x560 [ 1628.639892] submit_bio_wait+0xe8/0x140 [ 1628.643858] ? submit_bio_wait_endio+0xb0/0xb0 [ 1628.648426] blkdev_issue_flush+0x218/0x320 [ 1628.652732] ext4_sync_fs+0x46f/0x7e0 [ 1628.656517] ? bdev_try_to_free_page+0x150/0x150 [ 1628.661249] ? iterate_supers+0xda/0x490 [ 1628.665305] ? bdev_try_to_free_page+0x150/0x150 [ 1628.670041] ? vfs_fsync_range+0x260/0x260 [ 1628.674257] sync_fs_one_sb+0xb1/0xe0 [ 1628.678035] iterate_supers+0x124/0x490 [ 1628.681995] sys_sync+0x9a/0x130 [ 1628.685343] ? vfs_fsync+0x210/0x210 [ 1628.689036] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1628.694141] ? vfs_fsync+0x210/0x210 [ 1628.697829] do_syscall_64+0x1d5/0x640 [ 1628.701697] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1628.706859] RIP: 0033:0x7f3c6be997c9 [ 1628.710548] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1628.718240] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1628.725492] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1628.732745] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1628.739996] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1628.747239] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000014 executing program [ 1628.780663] FAULT_INJECTION: forcing a failure. [ 1628.780663] name failslab, interval 1, probability 0, space 0, times 0 [ 1628.792343] CPU: 1 PID: 10490 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1628.800311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1628.809653] Call Trace: [ 1628.812249] dump_stack+0x1b2/0x281 [ 1628.815874] should_fail.cold+0x10a/0x149 [ 1628.820024] ? lock_downgrade+0x740/0x740 [ 1628.824168] ? mempool_free+0x1d0/0x1d0 [ 1628.828137] should_failslab+0xd6/0x130 [ 1628.832107] kmem_cache_alloc+0x40/0x3c0 [ 1628.836162] ? mempool_free+0x1d0/0x1d0 [ 1628.840126] mempool_alloc+0x10e/0x2d0 [ 1628.844010] ? remove_element.isra.0+0x1b0/0x1b0 [ 1628.848765] ? flush_workqueue+0x40e/0x1310 [ 1628.853079] ? check_preemption_disabled+0x35/0x240 [ 1628.858095] bio_alloc_bioset+0x41b/0x830 [ 1628.862230] ? bvec_alloc+0x2d0/0x2d0 [ 1628.866059] blkdev_issue_flush+0xeb/0x320 [ 1628.870279] ext4_sync_fs+0x46f/0x7e0 [ 1628.874084] ? bdev_try_to_free_page+0x150/0x150 [ 1628.879165] ? iterate_supers+0xda/0x490 [ 1628.883211] ? bdev_try_to_free_page+0x150/0x150 [ 1628.887942] ? vfs_fsync_range+0x260/0x260 [ 1628.892162] sync_fs_one_sb+0xb1/0xe0 [ 1628.895950] iterate_supers+0x124/0x490 [ 1628.899903] sys_sync+0x9a/0x130 [ 1628.903246] ? vfs_fsync+0x210/0x210 [ 1628.906936] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1628.911933] ? vfs_fsync+0x210/0x210 [ 1628.915646] do_syscall_64+0x1d5/0x640 [ 1628.919514] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1628.924687] RIP: 0033:0x7f3c6be997c9 [ 1628.928376] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1628.936058] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1628.943301] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1628.950550] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1628.957807] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1628.965068] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000002c [ 1628.974528] BTRFS info (device loop0): disabling disk space caching [ 1628.981136] BTRFS info (device loop0): has skinny extents [ 1629.078224] BTRFS info (device loop0): checking UUID tree [ 1629.084576] FAULT_INJECTION: forcing a failure. [ 1629.084576] name failslab, interval 1, probability 0, space 0, times 0 [ 1629.084794] FAULT_INJECTION: forcing a failure. [ 1629.084794] name failslab, interval 1, probability 0, space 0, times 0 [ 1629.104472] CPU: 1 PID: 10498 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1629.114957] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1629.124293] Call Trace: [ 1629.126867] dump_stack+0x1b2/0x281 [ 1629.130480] should_fail.cold+0x10a/0x149 [ 1629.134608] ? sync_fs_one_sb+0xb1/0xe0 [ 1629.138564] should_failslab+0xd6/0x130 [ 1629.142520] kmem_cache_alloc_node+0x54/0x410 [ 1629.147002] create_task_io_context+0x2a/0x3c0 [ 1629.151567] generic_make_request_checks+0x1350/0x19f0 [ 1629.156826] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1629.161217] ? flush_workqueue+0x129/0x1310 [ 1629.165518] ? flush_workqueue+0x49b/0x1310 [ 1629.169833] generic_make_request+0x67/0x850 [ 1629.174245] ? mempool_alloc+0x10e/0x2d0 [ 1629.178288] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1629.183730] ? blk_queue_exit+0x1d0/0x1d0 [ 1629.187856] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1629.192853] ? kmem_cache_alloc+0x35f/0x3c0 [ 1629.197159] submit_bio+0x234/0x390 [ 1629.200779] ? generic_make_request+0x850/0x850 [ 1629.201012] BTRFS warning (device loop0): btrfs_uuid_scan_kthread failed -28 [ 1629.205435] ? __lockdep_init_map+0x100/0x560 [ 1629.217077] ? __lockdep_init_map+0x100/0x560 [ 1629.221569] submit_bio_wait+0xe8/0x140 [ 1629.225524] ? submit_bio_wait_endio+0xb0/0xb0 [ 1629.230096] blkdev_issue_flush+0x218/0x320 [ 1629.234420] ext4_sync_fs+0x46f/0x7e0 [ 1629.238204] ? bdev_try_to_free_page+0x150/0x150 [ 1629.242956] ? iterate_supers+0xda/0x490 [ 1629.246997] ? bdev_try_to_free_page+0x150/0x150 [ 1629.251732] ? vfs_fsync_range+0x260/0x260 [ 1629.255958] sync_fs_one_sb+0xb1/0xe0 [ 1629.259742] iterate_supers+0x124/0x490 [ 1629.263711] sys_sync+0x9a/0x130 [ 1629.267060] ? vfs_fsync+0x210/0x210 [ 1629.270757] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1629.275755] ? vfs_fsync+0x210/0x210 [ 1629.279453] do_syscall_64+0x1d5/0x640 [ 1629.283325] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1629.288497] RIP: 0033:0x7f3c6be997c9 [ 1629.292188] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1629.299875] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1629.307124] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1629.314373] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1629.321622] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 executing program [ 1629.328871] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000013 [ 1629.356571] CPU: 0 PID: 10511 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1629.364553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1629.373901] Call Trace: [ 1629.376483] dump_stack+0x1b2/0x281 [ 1629.380110] should_fail.cold+0x10a/0x149 [ 1629.384260] ? sync_fs_one_sb+0xb1/0xe0 [ 1629.388229] should_failslab+0xd6/0x130 [ 1629.392204] kmem_cache_alloc_node+0x54/0x410 [ 1629.396699] create_task_io_context+0x2a/0x3c0 [ 1629.401278] generic_make_request_checks+0x1350/0x19f0 [ 1629.406553] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1629.410957] ? flush_workqueue+0x129/0x1310 [ 1629.415273] ? flush_workqueue+0x49b/0x1310 [ 1629.419586] generic_make_request+0x67/0x850 [ 1629.423971] ? mempool_alloc+0x10e/0x2d0 [ 1629.428005] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1629.433429] ? blk_queue_exit+0x1d0/0x1d0 [ 1629.437552] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1629.442559] ? kmem_cache_alloc+0x35f/0x3c0 [ 1629.446856] submit_bio+0x234/0x390 [ 1629.450457] ? generic_make_request+0x850/0x850 [ 1629.455101] ? __lockdep_init_map+0x100/0x560 [ 1629.459569] ? __lockdep_init_map+0x100/0x560 [ 1629.464043] submit_bio_wait+0xe8/0x140 [ 1629.467990] ? submit_bio_wait_endio+0xb0/0xb0 [ 1629.472568] blkdev_issue_flush+0x218/0x320 [ 1629.476865] ext4_sync_fs+0x46f/0x7e0 [ 1629.480641] ? bdev_try_to_free_page+0x150/0x150 [ 1629.485369] ? iterate_supers+0xda/0x490 [ 1629.489403] ? bdev_try_to_free_page+0x150/0x150 [ 1629.494135] ? vfs_fsync_range+0x260/0x260 [ 1629.498347] sync_fs_one_sb+0xb1/0xe0 [ 1629.502122] iterate_supers+0x124/0x490 [ 1629.506073] sys_sync+0x9a/0x130 [ 1629.509412] ? vfs_fsync+0x210/0x210 [ 1629.513117] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1629.518105] ? vfs_fsync+0x210/0x210 [ 1629.521808] do_syscall_64+0x1d5/0x640 [ 1629.525690] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1629.530854] RIP: 0033:0x7f3c6be997c9 [ 1629.534537] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1629.542238] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1629.549496] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1629.556739] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1629.563985] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1629.571228] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000015 [ 1629.585729] FAULT_INJECTION: forcing a failure. [ 1629.585729] name failslab, interval 1, probability 0, space 0, times 0 [ 1629.597324] CPU: 0 PID: 10499 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1629.605279] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1629.614614] Call Trace: [ 1629.617182] dump_stack+0x1b2/0x281 [ 1629.620792] should_fail.cold+0x10a/0x149 [ 1629.624927] should_failslab+0xd6/0x130 [ 1629.628875] kmem_cache_alloc+0x28e/0x3c0 [ 1629.633006] start_transaction+0x27c/0xf30 [ 1629.637228] ? vfs_fsync_range+0x260/0x260 [ 1629.641436] btrfs_attach_transaction_barrier+0x22/0x80 [ 1629.646777] btrfs_sync_fs+0xcd/0x430 [ 1629.650550] ? btrfs_freeze+0xb0/0xb0 [ 1629.654323] ? vfs_fsync_range+0x260/0x260 [ 1629.658540] sync_fs_one_sb+0xb1/0xe0 [ 1629.662320] iterate_supers+0x124/0x490 [ 1629.666280] sys_sync+0x9a/0x130 [ 1629.669631] ? vfs_fsync+0x210/0x210 [ 1629.673320] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1629.678308] ? vfs_fsync+0x210/0x210 [ 1629.681999] do_syscall_64+0x1d5/0x640 [ 1629.685863] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1629.691026] RIP: 0033:0x7f3c6be997c9 [ 1629.694711] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1629.702407] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1629.709651] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1629.716899] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1629.724217] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1629.731467] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000013 [ 1629.746244] FAULT_INJECTION: forcing a failure. [ 1629.746244] name failslab, interval 1, probability 0, space 0, times 0 [ 1629.759966] CPU: 0 PID: 10539 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1629.767935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1629.777279] Call Trace: [ 1629.779861] dump_stack+0x1b2/0x281 [ 1629.783497] should_fail.cold+0x10a/0x149 [ 1629.787641] ? sync_fs_one_sb+0xb1/0xe0 [ 1629.791610] should_failslab+0xd6/0x130 [ 1629.795580] kmem_cache_alloc_node+0x54/0x410 [ 1629.800073] create_task_io_context+0x2a/0x3c0 [ 1629.804650] generic_make_request_checks+0x1350/0x19f0 [ 1629.809928] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1629.814333] ? flush_workqueue+0x129/0x1310 [ 1629.818649] ? flush_workqueue+0x49b/0x1310 [ 1629.822968] generic_make_request+0x67/0x850 [ 1629.827370] ? mempool_alloc+0x10e/0x2d0 [ 1629.831424] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1629.836867] ? blk_queue_exit+0x1d0/0x1d0 [ 1629.841004] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1629.845996] ? kmem_cache_alloc+0x35f/0x3c0 [ 1629.850295] submit_bio+0x234/0x390 [ 1629.853898] ? generic_make_request+0x850/0x850 [ 1629.858555] ? __lockdep_init_map+0x100/0x560 [ 1629.863025] ? __lockdep_init_map+0x100/0x560 [ 1629.867498] submit_bio_wait+0xe8/0x140 [ 1629.871449] ? submit_bio_wait_endio+0xb0/0xb0 [ 1629.876011] blkdev_issue_flush+0x218/0x320 [ 1629.880311] ext4_sync_fs+0x46f/0x7e0 [ 1629.884783] ? bdev_try_to_free_page+0x150/0x150 [ 1629.889513] ? iterate_supers+0xda/0x490 [ 1629.893549] ? bdev_try_to_free_page+0x150/0x150 [ 1629.898279] ? vfs_fsync_range+0x260/0x260 [ 1629.902494] sync_fs_one_sb+0xb1/0xe0 [ 1629.906270] iterate_supers+0x124/0x490 [ 1629.910221] sys_sync+0x9a/0x130 [ 1629.913560] ? vfs_fsync+0x210/0x210 [ 1629.917255] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1629.922245] ? vfs_fsync+0x210/0x210 [ 1629.925947] do_syscall_64+0x1d5/0x640 [ 1629.929819] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 1629.934984] RIP: 0033:0x7f3c6be997c9 [ 1629.938668] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1629.946349] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1629.953633] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1629.960894] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1629.968139] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1629.975382] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000002d executing program executing program [ 1630.071512] FAULT_INJECTION: forcing a failure. [ 1630.071512] name failslab, interval 1, probability 0, space 0, times 0 [ 1630.084749] CPU: 1 PID: 10553 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1630.092721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1630.102064] Call Trace: [ 1630.104646] dump_stack+0x1b2/0x281 [ 1630.108272] should_fail.cold+0x10a/0x149 [ 1630.112417] should_failslab+0xd6/0x130 [ 1630.116400] kmem_cache_alloc_trace+0x47/0x3d0 [ 1630.120978] bdi_split_work_to_wbs+0x288/0xcf0 [ 1630.125548] ? wb_queue_work+0x480/0x480 [ 1630.129737] ? lock_acquire+0x170/0x3f0 [ 1630.133695] ? sync_inodes_sb+0x156/0x880 [ 1630.137824] sync_inodes_sb+0x168/0x880 [ 1630.141782] ? lock_downgrade+0x740/0x740 [ 1630.145916] ? try_to_writeback_inodes_sb_nr+0x70/0x70 [ 1630.151176] ? call_rwsem_down_read_failed+0x14/0x30 [ 1630.156273] ? SyS_tee+0x9e0/0x9e0 [ 1630.159789] sync_inodes_one_sb+0x3d/0x50 [ 1630.163916] iterate_supers+0x124/0x490 [ 1630.167890] sys_sync+0x78/0x130 [ 1630.171233] ? vfs_fsync+0x210/0x210 [ 1630.174925] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1630.179914] ? vfs_fsync+0x210/0x210 [ 1630.183612] do_syscall_64+0x1d5/0x640 [ 1630.187484] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1630.192665] RIP: 0033:0x7f3c6be997c9 [ 1630.196351] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1630.204042] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1630.211301] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1630.218552] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1630.225794] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1630.233038] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000014 [ 1630.249032] FAULT_INJECTION: forcing a failure. [ 1630.249032] name failslab, interval 1, probability 0, space 0, times 0 [ 1630.249137] FAULT_INJECTION: forcing a failure. [ 1630.249137] name failslab, interval 1, probability 0, space 0, times 0 [ 1630.266836] CPU: 1 PID: 10558 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1630.279845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1630.289191] Call Trace: [ 1630.291776] dump_stack+0x1b2/0x281 [ 1630.295404] should_fail.cold+0x10a/0x149 [ 1630.299544] ? lock_downgrade+0x740/0x740 [ 1630.303691] ? mempool_free+0x1d0/0x1d0 [ 1630.307660] should_failslab+0xd6/0x130 [ 1630.311629] kmem_cache_alloc+0x40/0x3c0 [ 1630.315687] ? mempool_free+0x1d0/0x1d0 [ 1630.319655] mempool_alloc+0x10e/0x2d0 [ 1630.323550] ? remove_element.isra.0+0x1b0/0x1b0 [ 1630.328298] ? flush_workqueue+0x40e/0x1310 [ 1630.332607] ? check_preemption_disabled+0x35/0x240 [ 1630.337618] bio_alloc_bioset+0x41b/0x830 [ 1630.341756] ? bvec_alloc+0x2d0/0x2d0 [ 1630.345560] blkdev_issue_flush+0xeb/0x320 [ 1630.349788] ext4_sync_fs+0x46f/0x7e0 [ 1630.353575] ? bdev_try_to_free_page+0x150/0x150 [ 1630.358323] ? iterate_supers+0xda/0x490 [ 1630.362369] ? bdev_try_to_free_page+0x150/0x150 [ 1630.367123] ? vfs_fsync_range+0x260/0x260 [ 1630.371341] sync_fs_one_sb+0xb1/0xe0 [ 1630.376172] iterate_supers+0x124/0x490 [ 1630.380140] sys_sync+0x9a/0x130 [ 1630.383491] ? vfs_fsync+0x210/0x210 [ 1630.387191] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1630.392185] ? vfs_fsync+0x210/0x210 [ 1630.395877] do_syscall_64+0x1d5/0x640 [ 1630.399750] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1630.404919] RIP: 0033:0x7f3c6be997c9 [ 1630.408610] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1630.416305] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1630.423558] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1630.430809] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1630.438064] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1630.445315] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000015 [ 1630.452577] CPU: 0 PID: 10561 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1630.460538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1630.470021] Call Trace: [ 1630.472599] dump_stack+0x1b2/0x281 [ 1630.476210] should_fail.cold+0x10a/0x149 [ 1630.480336] ? lock_downgrade+0x740/0x740 [ 1630.484465] ? mempool_free+0x1d0/0x1d0 [ 1630.488417] should_failslab+0xd6/0x130 [ 1630.492383] kmem_cache_alloc+0x40/0x3c0 [ 1630.496423] ? mempool_free+0x1d0/0x1d0 [ 1630.500373] mempool_alloc+0x10e/0x2d0 [ 1630.504273] ? remove_element.isra.0+0x1b0/0x1b0 [ 1630.509032] ? flush_workqueue+0x40e/0x1310 [ 1630.513352] ? check_preemption_disabled+0x35/0x240 [ 1630.518454] bio_alloc_bioset+0x41b/0x830 [ 1630.522584] ? bvec_alloc+0x2d0/0x2d0 [ 1630.526361] blkdev_issue_flush+0xeb/0x320 [ 1630.530574] ext4_sync_fs+0x46f/0x7e0 [ 1630.534458] ? bdev_try_to_free_page+0x150/0x150 [ 1630.539195] ? iterate_supers+0xda/0x490 [ 1630.543244] ? bdev_try_to_free_page+0x150/0x150 [ 1630.547979] ? vfs_fsync_range+0x260/0x260 [ 1630.552190] sync_fs_one_sb+0xb1/0xe0 [ 1630.555982] iterate_supers+0x124/0x490 [ 1630.559931] sys_sync+0x9a/0x130 [ 1630.563275] ? vfs_fsync+0x210/0x210 [ 1630.566964] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1630.571952] ? vfs_fsync+0x210/0x210 [ 1630.575659] do_syscall_64+0x1d5/0x640 [ 1630.579522] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1630.584688] RIP: 0033:0x7f3c6be997c9 [ 1630.588374] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1630.596069] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1630.603329] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1630.610573] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 executing program executing program executing program [ 1630.617818] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1630.625062] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000002e [ 1630.654598] FAULT_INJECTION: forcing a failure. [ 1630.654598] name failslab, interval 1, probability 0, space 0, times 0 [ 1630.689499] CPU: 1 PID: 10570 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1630.697494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1630.706847] Call Trace: [ 1630.709434] dump_stack+0x1b2/0x281 [ 1630.713065] should_fail.cold+0x10a/0x149 [ 1630.717213] ? sync_fs_one_sb+0xb1/0xe0 [ 1630.721186] should_failslab+0xd6/0x130 [ 1630.725156] kmem_cache_alloc_node+0x54/0x410 [ 1630.729646] create_task_io_context+0x2a/0x3c0 [ 1630.734260] generic_make_request_checks+0x1350/0x19f0 [ 1630.739536] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1630.743938] ? flush_workqueue+0x129/0x1310 [ 1630.748253] ? flush_workqueue+0x49b/0x1310 [ 1630.752575] generic_make_request+0x67/0x850 [ 1630.756978] ? mempool_alloc+0x10e/0x2d0 [ 1630.761033] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1630.766478] ? blk_queue_exit+0x1d0/0x1d0 [ 1630.770620] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1630.775622] ? kmem_cache_alloc+0x35f/0x3c0 [ 1630.779920] submit_bio+0x234/0x390 [ 1630.783529] ? generic_make_request+0x850/0x850 [ 1630.788173] ? __lockdep_init_map+0x100/0x560 [ 1630.792661] ? __lockdep_init_map+0x100/0x560 [ 1630.797133] submit_bio_wait+0xe8/0x140 [ 1630.801081] ? submit_bio_wait_endio+0xb0/0xb0 [ 1630.805642] blkdev_issue_flush+0x218/0x320 [ 1630.810013] ext4_sync_fs+0x46f/0x7e0 [ 1630.813797] ? bdev_try_to_free_page+0x150/0x150 [ 1630.818525] ? iterate_supers+0xda/0x490 [ 1630.822563] ? bdev_try_to_free_page+0x150/0x150 [ 1630.827294] ? vfs_fsync_range+0x260/0x260 [ 1630.831504] sync_fs_one_sb+0xb1/0xe0 [ 1630.835285] iterate_supers+0x124/0x490 [ 1630.839264] sys_sync+0x9a/0x130 [ 1630.842622] ? vfs_fsync+0x210/0x210 [ 1630.846311] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1630.851298] ? vfs_fsync+0x210/0x210 [ 1630.854988] do_syscall_64+0x1d5/0x640 [ 1630.858861] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1630.864028] RIP: 0033:0x7f3c6be997c9 [ 1630.867721] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1630.875422] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1630.882679] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 executing program [ 1630.890017] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1630.897275] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1630.904519] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000014 [ 1630.970946] FAULT_INJECTION: forcing a failure. [ 1630.970946] name failslab, interval 1, probability 0, space 0, times 0 [ 1630.982295] FAULT_INJECTION: forcing a failure. [ 1630.982295] name failslab, interval 1, probability 0, space 0, times 0 [ 1630.993851] FAULT_INJECTION: forcing a failure. [ 1630.993851] name failslab, interval 1, probability 0, space 0, times 0 [ 1631.006442] CPU: 0 PID: 10580 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1631.014408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1631.023750] Call Trace: [ 1631.026337] dump_stack+0x1b2/0x281 [ 1631.029947] should_fail.cold+0x10a/0x149 [ 1631.034080] ? sync_fs_one_sb+0xb1/0xe0 [ 1631.038057] should_failslab+0xd6/0x130 [ 1631.042022] kmem_cache_alloc_node+0x54/0x410 [ 1631.046508] create_task_io_context+0x2a/0x3c0 [ 1631.051070] generic_make_request_checks+0x1350/0x19f0 [ 1631.056345] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1631.060732] ? flush_workqueue+0x129/0x1310 [ 1631.065053] ? flush_workqueue+0x49b/0x1310 [ 1631.069355] generic_make_request+0x67/0x850 [ 1631.073741] ? mempool_alloc+0x10e/0x2d0 [ 1631.077781] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1631.083208] ? blk_queue_exit+0x1d0/0x1d0 [ 1631.087335] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1631.092331] ? kmem_cache_alloc+0x35f/0x3c0 [ 1631.096632] submit_bio+0x234/0x390 [ 1631.100236] ? generic_make_request+0x850/0x850 [ 1631.104882] ? __lockdep_init_map+0x100/0x560 [ 1631.109358] ? __lockdep_init_map+0x100/0x560 [ 1631.113835] submit_bio_wait+0xe8/0x140 [ 1631.117804] ? submit_bio_wait_endio+0xb0/0xb0 [ 1631.122374] blkdev_issue_flush+0x218/0x320 [ 1631.126681] ext4_sync_fs+0x46f/0x7e0 [ 1631.130460] ? bdev_try_to_free_page+0x150/0x150 [ 1631.135195] ? iterate_supers+0xda/0x490 [ 1631.139235] ? bdev_try_to_free_page+0x150/0x150 [ 1631.143970] ? vfs_fsync_range+0x260/0x260 [ 1631.148187] sync_fs_one_sb+0xb1/0xe0 [ 1631.152156] iterate_supers+0x124/0x490 [ 1631.156140] sys_sync+0x9a/0x130 [ 1631.159492] ? vfs_fsync+0x210/0x210 [ 1631.163194] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1631.168198] ? vfs_fsync+0x210/0x210 [ 1631.171900] do_syscall_64+0x1d5/0x640 [ 1631.175776] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1631.180948] RIP: 0033:0x7f3c6be997c9 [ 1631.184642] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1631.192330] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1631.199581] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1631.206830] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1631.214077] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1631.221337] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000002f [ 1631.228608] CPU: 1 PID: 10572 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1631.236587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1631.245918] Call Trace: [ 1631.248488] dump_stack+0x1b2/0x281 [ 1631.252101] should_fail.cold+0x10a/0x149 [ 1631.256243] ? sync_fs_one_sb+0xb1/0xe0 [ 1631.260204] should_failslab+0xd6/0x130 [ 1631.264156] kmem_cache_alloc_node+0x54/0x410 [ 1631.268631] create_task_io_context+0x2a/0x3c0 [ 1631.273191] generic_make_request_checks+0x1350/0x19f0 [ 1631.278452] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1631.282851] ? flush_workqueue+0x129/0x1310 [ 1631.287149] ? flush_workqueue+0x49b/0x1310 [ 1631.291538] generic_make_request+0x67/0x850 [ 1631.295926] ? mempool_alloc+0x10e/0x2d0 [ 1631.299966] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1631.305404] ? blk_queue_exit+0x1d0/0x1d0 [ 1631.309528] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1631.314519] ? kmem_cache_alloc+0x35f/0x3c0 [ 1631.318819] submit_bio+0x234/0x390 [ 1631.322424] ? generic_make_request+0x850/0x850 [ 1631.327068] ? __lockdep_init_map+0x100/0x560 [ 1631.331539] ? __lockdep_init_map+0x100/0x560 [ 1631.336015] submit_bio_wait+0xe8/0x140 [ 1631.339970] ? submit_bio_wait_endio+0xb0/0xb0 [ 1631.344541] blkdev_issue_flush+0x218/0x320 [ 1631.348842] ext4_sync_fs+0x46f/0x7e0 [ 1631.352620] ? bdev_try_to_free_page+0x150/0x150 [ 1631.357352] ? iterate_supers+0xda/0x490 [ 1631.361389] ? bdev_try_to_free_page+0x150/0x150 [ 1631.366123] ? vfs_fsync_range+0x260/0x260 [ 1631.370334] sync_fs_one_sb+0xb1/0xe0 [ 1631.374112] iterate_supers+0x124/0x490 [ 1631.378066] sys_sync+0x9a/0x130 [ 1631.381407] ? vfs_fsync+0x210/0x210 [ 1631.385101] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1631.390092] ? vfs_fsync+0x210/0x210 [ 1631.393784] do_syscall_64+0x1d5/0x640 [ 1631.397650] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1631.402814] RIP: 0033:0x7f3c6be997c9 [ 1631.406498] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1631.414198] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1631.421444] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1631.428688] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1631.435932] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1631.443177] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000016 [ 1631.467403] CPU: 1 PID: 10579 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1631.475370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1631.484714] Call Trace: [ 1631.487298] dump_stack+0x1b2/0x281 [ 1631.490921] should_fail.cold+0x10a/0x149 [ 1631.495062] ? sync_fs_one_sb+0xb1/0xe0 [ 1631.499027] should_failslab+0xd6/0x130 [ 1631.503002] kmem_cache_alloc_node+0x54/0x410 [ 1631.507491] create_task_io_context+0x2a/0x3c0 [ 1631.512067] generic_make_request_checks+0x1350/0x19f0 [ 1631.517338] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1631.521735] ? flush_workqueue+0x129/0x1310 [ 1631.526046] ? flush_workqueue+0x49b/0x1310 [ 1631.530352] generic_make_request+0x67/0x850 [ 1631.534744] ? mempool_alloc+0x10e/0x2d0 [ 1631.538779] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1631.544203] ? blk_queue_exit+0x1d0/0x1d0 [ 1631.548325] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1631.553321] ? kmem_cache_alloc+0x35f/0x3c0 [ 1631.557624] submit_bio+0x234/0x390 [ 1631.561225] ? generic_make_request+0x850/0x850 [ 1631.565869] ? __lockdep_init_map+0x100/0x560 [ 1631.570343] ? __lockdep_init_map+0x100/0x560 [ 1631.574825] submit_bio_wait+0xe8/0x140 [ 1631.578775] ? submit_bio_wait_endio+0xb0/0xb0 [ 1631.583335] blkdev_issue_flush+0x218/0x320 [ 1631.587632] ext4_sync_fs+0x46f/0x7e0 [ 1631.591415] ? bdev_try_to_free_page+0x150/0x150 [ 1631.596151] ? iterate_supers+0xda/0x490 [ 1631.600199] ? bdev_try_to_free_page+0x150/0x150 [ 1631.604928] ? vfs_fsync_range+0x260/0x260 [ 1631.609153] sync_fs_one_sb+0xb1/0xe0 [ 1631.612933] iterate_supers+0x124/0x490 [ 1631.616895] sys_sync+0x9a/0x130 [ 1631.620249] ? vfs_fsync+0x210/0x210 [ 1631.623936] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1631.628940] ? vfs_fsync+0x210/0x210 [ 1631.632650] do_syscall_64+0x1d5/0x640 [ 1631.636527] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1631.641692] RIP: 0033:0x7f3c6be997c9 [ 1631.645376] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1631.653064] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1631.660434] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 executing program [ 1631.667683] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1631.674927] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1631.682176] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000014 [ 1631.703280] FAULT_INJECTION: forcing a failure. [ 1631.703280] name failslab, interval 1, probability 0, space 0, times 0 [ 1631.716310] CPU: 1 PID: 10591 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 executing program [ 1631.724277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1631.733618] Call Trace: [ 1631.736197] dump_stack+0x1b2/0x281 [ 1631.739822] should_fail.cold+0x10a/0x149 [ 1631.743977] ? sync_fs_one_sb+0xb1/0xe0 [ 1631.747946] should_failslab+0xd6/0x130 [ 1631.751916] kmem_cache_alloc_node+0x54/0x410 [ 1631.756396] create_task_io_context+0x2a/0x3c0 [ 1631.760957] generic_make_request_checks+0x1350/0x19f0 [ 1631.766213] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1631.770602] ? flush_workqueue+0x129/0x1310 [ 1631.774903] ? flush_workqueue+0x49b/0x1310 [ 1631.779203] generic_make_request+0x67/0x850 [ 1631.783603] ? mempool_alloc+0x10e/0x2d0 [ 1631.787644] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1631.793078] ? blk_queue_exit+0x1d0/0x1d0 [ 1631.797203] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1631.802198] ? kmem_cache_alloc+0x35f/0x3c0 [ 1631.806496] submit_bio+0x234/0x390 [ 1631.810099] ? generic_make_request+0x850/0x850 [ 1631.814750] ? __lockdep_init_map+0x100/0x560 [ 1631.819232] ? __lockdep_init_map+0x100/0x560 [ 1631.823707] submit_bio_wait+0xe8/0x140 [ 1631.827658] ? submit_bio_wait_endio+0xb0/0xb0 [ 1631.832223] blkdev_issue_flush+0x218/0x320 [ 1631.836531] ext4_sync_fs+0x46f/0x7e0 [ 1631.840308] ? bdev_try_to_free_page+0x150/0x150 [ 1631.845041] ? iterate_supers+0xda/0x490 [ 1631.849094] ? bdev_try_to_free_page+0x150/0x150 [ 1631.853833] ? vfs_fsync_range+0x260/0x260 [ 1631.858043] sync_fs_one_sb+0xb1/0xe0 [ 1631.861820] iterate_supers+0x124/0x490 [ 1631.865771] sys_sync+0x9a/0x130 [ 1631.869113] ? vfs_fsync+0x210/0x210 [ 1631.872805] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1631.877794] ? vfs_fsync+0x210/0x210 [ 1631.881482] do_syscall_64+0x1d5/0x640 [ 1631.885356] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1631.890531] RIP: 0033:0x7f3c6be997c9 [ 1631.894240] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1631.901928] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1631.909176] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1631.916421] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 executing program executing program [ 1631.923667] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1631.930910] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000016 [ 1632.030513] FAULT_INJECTION: forcing a failure. [ 1632.030513] name failslab, interval 1, probability 0, space 0, times 0 [ 1632.032503] FAULT_INJECTION: forcing a failure. [ 1632.032503] name failslab, interval 1, probability 0, space 0, times 0 [ 1632.042262] CPU: 0 PID: 10594 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1632.061009] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1632.070363] Call Trace: [ 1632.072935] dump_stack+0x1b2/0x281 [ 1632.076554] should_fail.cold+0x10a/0x149 [ 1632.080686] ? sync_fs_one_sb+0xb1/0xe0 [ 1632.084645] should_failslab+0xd6/0x130 [ 1632.088598] kmem_cache_alloc_node+0x54/0x410 [ 1632.093072] create_task_io_context+0x2a/0x3c0 [ 1632.097636] generic_make_request_checks+0x1350/0x19f0 [ 1632.102913] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1632.107303] ? flush_workqueue+0x129/0x1310 [ 1632.111604] ? trace_hardirqs_on+0x10/0x10 [ 1632.115815] generic_make_request+0x67/0x850 [ 1632.120204] ? mempool_alloc+0x10e/0x2d0 [ 1632.124248] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1632.129674] ? blk_queue_exit+0x1d0/0x1d0 [ 1632.133805] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1632.138800] ? kmem_cache_alloc+0x35f/0x3c0 [ 1632.143103] submit_bio+0x234/0x390 [ 1632.146723] ? generic_make_request+0x850/0x850 [ 1632.151367] ? __lockdep_init_map+0x100/0x560 [ 1632.155840] ? __lockdep_init_map+0x100/0x560 [ 1632.160327] submit_bio_wait+0xe8/0x140 [ 1632.164377] ? submit_bio_wait_endio+0xb0/0xb0 [ 1632.168941] blkdev_issue_flush+0x218/0x320 [ 1632.173241] ext4_sync_fs+0x46f/0x7e0 [ 1632.177020] ? bdev_try_to_free_page+0x150/0x150 [ 1632.181756] ? iterate_supers+0xda/0x490 [ 1632.185800] ? bdev_try_to_free_page+0x150/0x150 [ 1632.190534] ? vfs_fsync_range+0x260/0x260 [ 1632.194744] sync_fs_one_sb+0xb1/0xe0 [ 1632.198521] iterate_supers+0x124/0x490 [ 1632.202480] sys_sync+0x9a/0x130 [ 1632.205827] ? vfs_fsync+0x210/0x210 [ 1632.209526] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1632.214522] ? vfs_fsync+0x210/0x210 [ 1632.218219] do_syscall_64+0x1d5/0x640 [ 1632.222111] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1632.227282] RIP: 0033:0x7f3c6be997c9 [ 1632.230971] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1632.238686] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1632.246061] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1632.253312] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1632.260560] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1632.267809] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000030 [ 1632.275072] CPU: 1 PID: 10604 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1632.275521] FAULT_INJECTION: forcing a failure. [ 1632.275521] name failslab, interval 1, probability 0, space 0, times 0 [ 1632.283033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1632.283037] Call Trace: [ 1632.283050] dump_stack+0x1b2/0x281 [ 1632.283067] should_fail.cold+0x10a/0x149 [ 1632.313950] ? sync_fs_one_sb+0xb1/0xe0 [ 1632.317910] should_failslab+0xd6/0x130 [ 1632.321866] kmem_cache_alloc_node+0x54/0x410 [ 1632.326344] create_task_io_context+0x2a/0x3c0 [ 1632.330913] generic_make_request_checks+0x1350/0x19f0 [ 1632.336170] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1632.340578] ? flush_workqueue+0x129/0x1310 [ 1632.344878] ? flush_workqueue+0x49b/0x1310 [ 1632.349186] generic_make_request+0x67/0x850 [ 1632.353574] ? mempool_alloc+0x10e/0x2d0 [ 1632.357614] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1632.363042] ? blk_queue_exit+0x1d0/0x1d0 [ 1632.367190] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1632.372365] ? kmem_cache_alloc+0x35f/0x3c0 [ 1632.376668] submit_bio+0x234/0x390 [ 1632.380283] ? generic_make_request+0x850/0x850 [ 1632.384936] ? __lockdep_init_map+0x100/0x560 [ 1632.389408] ? __lockdep_init_map+0x100/0x560 [ 1632.393902] submit_bio_wait+0xe8/0x140 [ 1632.397856] ? submit_bio_wait_endio+0xb0/0xb0 [ 1632.402432] blkdev_issue_flush+0x218/0x320 [ 1632.406767] ext4_sync_fs+0x46f/0x7e0 [ 1632.410562] ? bdev_try_to_free_page+0x150/0x150 [ 1632.415308] ? iterate_supers+0xda/0x490 [ 1632.419356] ? bdev_try_to_free_page+0x150/0x150 [ 1632.424094] ? vfs_fsync_range+0x260/0x260 [ 1632.428310] sync_fs_one_sb+0xb1/0xe0 [ 1632.432091] iterate_supers+0x124/0x490 [ 1632.436046] sys_sync+0x9a/0x130 [ 1632.439390] ? vfs_fsync+0x210/0x210 [ 1632.443084] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1632.448096] ? vfs_fsync+0x210/0x210 [ 1632.451787] do_syscall_64+0x1d5/0x640 [ 1632.455660] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1632.460828] RIP: 0033:0x7f3c6be997c9 [ 1632.464515] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1632.472208] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1632.479468] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1632.486728] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1632.493993] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1632.501249] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000015 [ 1632.508515] CPU: 0 PID: 10602 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1632.516481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1632.525823] Call Trace: [ 1632.528408] dump_stack+0x1b2/0x281 [ 1632.532036] should_fail.cold+0x10a/0x149 [ 1632.536176] should_failslab+0xd6/0x130 [ 1632.540140] kmem_cache_alloc+0x28e/0x3c0 [ 1632.544271] start_transaction+0x27c/0xf30 [ 1632.548488] ? vfs_fsync_range+0x260/0x260 [ 1632.552701] btrfs_attach_transaction_barrier+0x22/0x80 [ 1632.558043] btrfs_sync_fs+0xcd/0x430 [ 1632.561825] ? btrfs_freeze+0xb0/0xb0 [ 1632.565601] ? vfs_fsync_range+0x260/0x260 [ 1632.569813] sync_fs_one_sb+0xb1/0xe0 [ 1632.573593] iterate_supers+0x124/0x490 [ 1632.577547] sys_sync+0x9a/0x130 [ 1632.580894] ? vfs_fsync+0x210/0x210 [ 1632.584587] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1632.589578] ? vfs_fsync+0x210/0x210 [ 1632.593267] do_syscall_64+0x1d5/0x640 [ 1632.597138] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1632.602318] RIP: 0033:0x7f3c6be997c9 [ 1632.606009] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1632.613695] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1632.620959] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 executing program [ 1632.628206] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1632.635457] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1632.642700] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000015 executing program executing program [ 1632.750669] FAULT_INJECTION: forcing a failure. [ 1632.750669] name failslab, interval 1, probability 0, space 0, times 0 [ 1632.763225] FAULT_INJECTION: forcing a failure. [ 1632.763225] name failslab, interval 1, probability 0, space 0, times 0 [ 1632.768766] CPU: 0 PID: 10616 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1632.782359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1632.791701] Call Trace: [ 1632.794270] dump_stack+0x1b2/0x281 [ 1632.797878] should_fail.cold+0x10a/0x149 [ 1632.802004] ? sync_fs_one_sb+0xb1/0xe0 [ 1632.805962] should_failslab+0xd6/0x130 [ 1632.809916] kmem_cache_alloc_node+0x54/0x410 [ 1632.814393] create_task_io_context+0x2a/0x3c0 [ 1632.818956] generic_make_request_checks+0x1350/0x19f0 [ 1632.824216] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1632.828602] ? lock_downgrade+0x740/0x740 [ 1632.832727] ? flush_workqueue+0x49b/0x1310 [ 1632.837030] generic_make_request+0x67/0x850 [ 1632.841418] ? mempool_alloc+0x10e/0x2d0 [ 1632.845456] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1632.850885] ? blk_queue_exit+0x1d0/0x1d0 [ 1632.855011] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1632.860006] ? kmem_cache_alloc+0x35f/0x3c0 [ 1632.864308] submit_bio+0x234/0x390 [ 1632.867916] ? generic_make_request+0x850/0x850 [ 1632.872560] ? __lockdep_init_map+0x100/0x560 [ 1632.877035] ? __lockdep_init_map+0x100/0x560 [ 1632.881511] submit_bio_wait+0xe8/0x140 [ 1632.885465] ? submit_bio_wait_endio+0xb0/0xb0 [ 1632.890030] blkdev_issue_flush+0x218/0x320 [ 1632.894347] ext4_sync_fs+0x46f/0x7e0 [ 1632.898136] ? bdev_try_to_free_page+0x150/0x150 [ 1632.902877] ? iterate_supers+0xda/0x490 [ 1632.906923] ? bdev_try_to_free_page+0x150/0x150 [ 1632.911665] ? vfs_fsync_range+0x260/0x260 [ 1632.915895] sync_fs_one_sb+0xb1/0xe0 [ 1632.919672] iterate_supers+0x124/0x490 [ 1632.923625] sys_sync+0x9a/0x130 [ 1632.926971] ? vfs_fsync+0x210/0x210 [ 1632.930664] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1632.935655] ? vfs_fsync+0x210/0x210 [ 1632.939352] do_syscall_64+0x1d5/0x640 [ 1632.943221] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1632.948388] RIP: 0033:0x7f3c6be997c9 [ 1632.952078] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1632.959763] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1632.967011] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1632.974275] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1632.981522] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1632.988770] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000015 [ 1632.996028] CPU: 1 PID: 10620 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1632.996466] FAULT_INJECTION: forcing a failure. [ 1632.996466] name failslab, interval 1, probability 0, space 0, times 0 [ 1633.003985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1633.003988] Call Trace: [ 1633.004000] dump_stack+0x1b2/0x281 [ 1633.004011] should_fail.cold+0x10a/0x149 [ 1633.004022] should_failslab+0xd6/0x130 [ 1633.038733] kmem_cache_alloc+0x28e/0x3c0 [ 1633.042885] start_transaction+0x27c/0xf30 [ 1633.047101] ? vfs_fsync_range+0x260/0x260 [ 1633.051314] btrfs_attach_transaction_barrier+0x22/0x80 [ 1633.056656] btrfs_sync_fs+0xcd/0x430 [ 1633.060435] ? btrfs_freeze+0xb0/0xb0 [ 1633.064213] ? vfs_fsync_range+0x260/0x260 [ 1633.068424] sync_fs_one_sb+0xb1/0xe0 [ 1633.072231] iterate_supers+0x124/0x490 [ 1633.076190] sys_sync+0x9a/0x130 [ 1633.079540] ? vfs_fsync+0x210/0x210 [ 1633.083235] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1633.088230] ? vfs_fsync+0x210/0x210 [ 1633.091934] do_syscall_64+0x1d5/0x640 [ 1633.095809] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1633.100976] RIP: 0033:0x7f3c6be997c9 [ 1633.104666] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1633.112360] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1633.119613] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1633.126860] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1633.134126] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1633.141375] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000017 [ 1633.148643] CPU: 0 PID: 10623 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1633.156612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1633.165959] Call Trace: [ 1633.168541] dump_stack+0x1b2/0x281 [ 1633.172163] should_fail.cold+0x10a/0x149 [ 1633.176312] should_failslab+0xd6/0x130 [ 1633.180279] kmem_cache_alloc+0x28e/0x3c0 [ 1633.184424] start_transaction+0x27c/0xf30 [ 1633.188649] ? vfs_fsync_range+0x260/0x260 [ 1633.192863] btrfs_attach_transaction_barrier+0x22/0x80 [ 1633.198207] btrfs_sync_fs+0xcd/0x430 [ 1633.202078] ? btrfs_freeze+0xb0/0xb0 [ 1633.205860] ? vfs_fsync_range+0x260/0x260 [ 1633.210078] sync_fs_one_sb+0xb1/0xe0 [ 1633.213856] iterate_supers+0x124/0x490 [ 1633.217806] sys_sync+0x9a/0x130 [ 1633.221150] ? vfs_fsync+0x210/0x210 [ 1633.224844] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1633.229845] ? vfs_fsync+0x210/0x210 [ 1633.233538] do_syscall_64+0x1d5/0x640 [ 1633.237405] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1633.242583] RIP: 0033:0x7f3c6be997c9 executing program executing program executing program [ 1633.246269] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1633.253951] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1633.261196] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1633.268445] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1633.275692] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1633.282938] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000031 executing program [ 1633.366701] BTRFS info (device loop0): disabling disk space caching [ 1633.385115] BTRFS info (device loop0): has skinny extents [ 1633.439557] BTRFS info (device loop0): checking UUID tree [ 1633.448276] BTRFS warning (device loop0): btrfs_uuid_scan_kthread failed -28 [ 1633.455093] FAULT_INJECTION: forcing a failure. [ 1633.455093] name failslab, interval 1, probability 0, space 0, times 0 [ 1633.467373] CPU: 1 PID: 10632 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1633.475343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1633.484692] Call Trace: [ 1633.487260] dump_stack+0x1b2/0x281 [ 1633.490888] should_fail.cold+0x10a/0x149 [ 1633.495013] ? lock_downgrade+0x740/0x740 [ 1633.499137] ? mempool_free+0x1d0/0x1d0 [ 1633.503095] should_failslab+0xd6/0x130 [ 1633.507058] kmem_cache_alloc+0x40/0x3c0 [ 1633.511116] ? mempool_free+0x1d0/0x1d0 [ 1633.515071] mempool_alloc+0x10e/0x2d0 [ 1633.518944] ? remove_element.isra.0+0x1b0/0x1b0 [ 1633.523676] ? flush_workqueue+0x40e/0x1310 [ 1633.527997] ? check_preemption_disabled+0x35/0x240 [ 1633.532997] bio_alloc_bioset+0x41b/0x830 [ 1633.537123] ? bvec_alloc+0x2d0/0x2d0 [ 1633.540912] blkdev_issue_flush+0xeb/0x320 [ 1633.545132] ext4_sync_fs+0x46f/0x7e0 [ 1633.548909] ? bdev_try_to_free_page+0x150/0x150 [ 1633.553646] ? iterate_supers+0xda/0x490 [ 1633.557708] ? bdev_try_to_free_page+0x150/0x150 [ 1633.562446] ? vfs_fsync_range+0x260/0x260 [ 1633.566681] sync_fs_one_sb+0xb1/0xe0 [ 1633.570463] iterate_supers+0x124/0x490 [ 1633.574428] sys_sync+0x9a/0x130 [ 1633.577772] ? vfs_fsync+0x210/0x210 [ 1633.581476] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1633.586477] ? vfs_fsync+0x210/0x210 [ 1633.590173] do_syscall_64+0x1d5/0x640 [ 1633.594045] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1633.599212] RIP: 0033:0x7f3c6be997c9 [ 1633.602901] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1633.610596] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1633.617854] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1633.625099] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1633.632343] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1633.639605] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000017 [ 1633.660091] FAULT_INJECTION: forcing a failure. [ 1633.660091] name failslab, interval 1, probability 0, space 0, times 0 [ 1633.660576] FAULT_INJECTION: forcing a failure. [ 1633.660576] name failslab, interval 1, probability 0, space 0, times 0 [ 1633.674949] CPU: 1 PID: 10634 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1633.683245] FAULT_INJECTION: forcing a failure. [ 1633.683245] name failslab, interval 1, probability 0, space 0, times 0 [ 1633.690481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1633.690485] Call Trace: [ 1633.690499] dump_stack+0x1b2/0x281 [ 1633.690512] should_fail.cold+0x10a/0x149 [ 1633.690521] ? sync_fs_one_sb+0xb1/0xe0 [ 1633.690530] should_failslab+0xd6/0x130 [ 1633.690540] kmem_cache_alloc_node+0x54/0x410 [ 1633.690551] create_task_io_context+0x2a/0x3c0 [ 1633.690561] generic_make_request_checks+0x1350/0x19f0 [ 1633.690572] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1633.690581] ? flush_workqueue+0x129/0x1310 [ 1633.690589] ? flush_workqueue+0x49b/0x1310 [ 1633.690599] generic_make_request+0x67/0x850 [ 1633.690608] ? mempool_alloc+0x10e/0x2d0 [ 1633.690616] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1633.690623] ? blk_queue_exit+0x1d0/0x1d0 [ 1633.690631] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1633.690642] ? kmem_cache_alloc+0x35f/0x3c0 [ 1633.783794] submit_bio+0x234/0x390 [ 1633.787402] ? generic_make_request+0x850/0x850 [ 1633.792049] ? __lockdep_init_map+0x100/0x560 [ 1633.796522] ? __lockdep_init_map+0x100/0x560 [ 1633.800999] submit_bio_wait+0xe8/0x140 [ 1633.804953] ? submit_bio_wait_endio+0xb0/0xb0 [ 1633.809522] blkdev_issue_flush+0x218/0x320 [ 1633.813822] ext4_sync_fs+0x46f/0x7e0 [ 1633.817605] ? bdev_try_to_free_page+0x150/0x150 [ 1633.822336] ? iterate_supers+0xda/0x490 [ 1633.826379] ? bdev_try_to_free_page+0x150/0x150 [ 1633.831120] ? vfs_fsync_range+0x260/0x260 [ 1633.835332] sync_fs_one_sb+0xb1/0xe0 [ 1633.839110] iterate_supers+0x124/0x490 [ 1633.843074] sys_sync+0x9a/0x130 [ 1633.846418] ? vfs_fsync+0x210/0x210 [ 1633.850128] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1633.855120] ? vfs_fsync+0x210/0x210 [ 1633.858810] do_syscall_64+0x1d5/0x640 [ 1633.862679] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1633.867850] RIP: 0033:0x7f3c6be997c9 [ 1633.871538] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1633.879226] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1633.886475] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1633.893724] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1633.900984] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1633.908232] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000016 [ 1633.915492] CPU: 0 PID: 10636 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1633.923457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1633.932803] Call Trace: [ 1633.935381] dump_stack+0x1b2/0x281 [ 1633.938999] should_fail.cold+0x10a/0x149 [ 1633.943142] ? sync_fs_one_sb+0xb1/0xe0 [ 1633.947112] should_failslab+0xd6/0x130 [ 1633.951074] kmem_cache_alloc_node+0x54/0x410 [ 1633.955550] create_task_io_context+0x2a/0x3c0 [ 1633.960112] generic_make_request_checks+0x1350/0x19f0 [ 1633.965372] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1633.969763] ? flush_workqueue+0x129/0x1310 [ 1633.974060] ? flush_workqueue+0x49b/0x1310 [ 1633.978361] generic_make_request+0x67/0x850 [ 1633.982759] ? mempool_alloc+0x10e/0x2d0 [ 1633.986972] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1633.992399] ? blk_queue_exit+0x1d0/0x1d0 [ 1633.996524] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1634.001516] ? kmem_cache_alloc+0x35f/0x3c0 [ 1634.005818] submit_bio+0x234/0x390 [ 1634.009424] ? generic_make_request+0x850/0x850 [ 1634.014068] ? __lockdep_init_map+0x100/0x560 [ 1634.018540] ? __lockdep_init_map+0x100/0x560 [ 1634.023020] submit_bio_wait+0xe8/0x140 [ 1634.026973] ? submit_bio_wait_endio+0xb0/0xb0 [ 1634.031540] blkdev_issue_flush+0x218/0x320 [ 1634.035841] ext4_sync_fs+0x46f/0x7e0 [ 1634.039619] ? bdev_try_to_free_page+0x150/0x150 [ 1634.044351] ? iterate_supers+0xda/0x490 [ 1634.048392] ? bdev_try_to_free_page+0x150/0x150 [ 1634.053142] ? vfs_fsync_range+0x260/0x260 [ 1634.057352] sync_fs_one_sb+0xb1/0xe0 [ 1634.061132] iterate_supers+0x124/0x490 [ 1634.065086] sys_sync+0x9a/0x130 [ 1634.068430] ? vfs_fsync+0x210/0x210 [ 1634.072124] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1634.077114] ? vfs_fsync+0x210/0x210 [ 1634.080804] do_syscall_64+0x1d5/0x640 [ 1634.084673] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1634.089844] RIP: 0033:0x7f3c6be997c9 [ 1634.093530] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1634.101225] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1634.108483] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1634.115734] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1634.123187] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1634.130451] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000032 [ 1634.147316] CPU: 0 PID: 10643 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1634.155291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1634.164633] Call Trace: [ 1634.167214] dump_stack+0x1b2/0x281 [ 1634.170838] should_fail.cold+0x10a/0x149 [ 1634.174983] ? sync_fs_one_sb+0xb1/0xe0 [ 1634.178959] should_failslab+0xd6/0x130 [ 1634.182934] kmem_cache_alloc_node+0x54/0x410 [ 1634.187420] create_task_io_context+0x2a/0x3c0 [ 1634.191980] generic_make_request_checks+0x1350/0x19f0 [ 1634.197236] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1634.201618] ? flush_workqueue+0x129/0x1310 [ 1634.205933] ? flush_workqueue+0x49b/0x1310 [ 1634.210234] generic_make_request+0x67/0x850 [ 1634.214618] ? mempool_alloc+0x10e/0x2d0 [ 1634.218656] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1634.224262] ? blk_queue_exit+0x1d0/0x1d0 [ 1634.228387] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1634.233486] ? kmem_cache_alloc+0x35f/0x3c0 [ 1634.237785] submit_bio+0x234/0x390 [ 1634.241389] ? generic_make_request+0x850/0x850 [ 1634.246033] ? __lockdep_init_map+0x100/0x560 [ 1634.250506] ? __lockdep_init_map+0x100/0x560 [ 1634.254979] submit_bio_wait+0xe8/0x140 [ 1634.258927] ? submit_bio_wait_endio+0xb0/0xb0 [ 1634.263488] blkdev_issue_flush+0x218/0x320 [ 1634.267833] ext4_sync_fs+0x46f/0x7e0 [ 1634.271619] ? bdev_try_to_free_page+0x150/0x150 [ 1634.276371] ? iterate_supers+0xda/0x490 [ 1634.280413] ? bdev_try_to_free_page+0x150/0x150 [ 1634.285145] ? vfs_fsync_range+0x260/0x260 [ 1634.289352] sync_fs_one_sb+0xb1/0xe0 [ 1634.293132] iterate_supers+0x124/0x490 [ 1634.297084] sys_sync+0x9a/0x130 [ 1634.300427] ? vfs_fsync+0x210/0x210 [ 1634.304161] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1634.309150] ? vfs_fsync+0x210/0x210 [ 1634.312840] do_syscall_64+0x1d5/0x640 [ 1634.316708] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1634.321873] RIP: 0033:0x7f3c6be997c9 [ 1634.325560] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1634.333243] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1634.340488] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 executing program [ 1634.347737] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1634.354982] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1634.362224] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000016 executing program executing program [ 1634.403174] FAULT_INJECTION: forcing a failure. [ 1634.403174] name failslab, interval 1, probability 0, space 0, times 0 [ 1634.436632] CPU: 0 PID: 10676 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1634.444613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1634.453959] Call Trace: [ 1634.456545] dump_stack+0x1b2/0x281 [ 1634.460174] should_fail.cold+0x10a/0x149 [ 1634.464320] should_failslab+0xd6/0x130 [ 1634.468294] kmem_cache_alloc_trace+0x47/0x3d0 [ 1634.472878] bdi_split_work_to_wbs+0x288/0xcf0 [ 1634.477459] ? wb_queue_work+0x480/0x480 [ 1634.481524] ? lock_acquire+0x170/0x3f0 [ 1634.485523] ? sync_inodes_sb+0x156/0x880 [ 1634.489672] sync_inodes_sb+0x168/0x880 [ 1634.493649] ? try_to_writeback_inodes_sb_nr+0x70/0x70 [ 1634.498919] ? iterate_supers+0xd2/0x490 [ 1634.502981] ? SyS_tee+0x9e0/0x9e0 [ 1634.506530] sync_inodes_one_sb+0x3d/0x50 [ 1634.510658] iterate_supers+0x124/0x490 [ 1634.514610] sys_sync+0x78/0x130 [ 1634.517968] ? vfs_fsync+0x210/0x210 [ 1634.521662] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1634.526653] ? vfs_fsync+0x210/0x210 [ 1634.530343] do_syscall_64+0x1d5/0x640 [ 1634.534220] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1634.539389] RIP: 0033:0x7f3c6be997c9 [ 1634.543089] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 executing program [ 1634.550773] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1634.558019] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1634.565264] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1634.572616] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1634.579861] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000016 [ 1634.640307] FAULT_INJECTION: forcing a failure. [ 1634.640307] name failslab, interval 1, probability 0, space 0, times 0 [ 1634.640873] FAULT_INJECTION: forcing a failure. [ 1634.640873] name failslab, interval 1, probability 0, space 0, times 0 [ 1634.656930] CPU: 1 PID: 10672 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1634.662911] FAULT_INJECTION: forcing a failure. [ 1634.662911] name failslab, interval 1, probability 0, space 0, times 0 [ 1634.670729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1634.670733] Call Trace: [ 1634.670748] dump_stack+0x1b2/0x281 [ 1634.670760] should_fail.cold+0x10a/0x149 [ 1634.670769] ? lock_downgrade+0x740/0x740 [ 1634.670779] ? mempool_free+0x1d0/0x1d0 [ 1634.670786] should_failslab+0xd6/0x130 [ 1634.670795] kmem_cache_alloc+0x40/0x3c0 [ 1634.670803] ? mempool_free+0x1d0/0x1d0 [ 1634.670814] mempool_alloc+0x10e/0x2d0 [ 1634.725464] ? remove_element.isra.0+0x1b0/0x1b0 [ 1634.730200] ? flush_workqueue+0x40e/0x1310 [ 1634.734521] ? check_preemption_disabled+0x35/0x240 [ 1634.739541] bio_alloc_bioset+0x41b/0x830 [ 1634.743670] ? bvec_alloc+0x2d0/0x2d0 [ 1634.747457] blkdev_issue_flush+0xeb/0x320 [ 1634.751681] ext4_sync_fs+0x46f/0x7e0 [ 1634.755477] ? bdev_try_to_free_page+0x150/0x150 [ 1634.760213] ? iterate_supers+0xda/0x490 [ 1634.764268] ? bdev_try_to_free_page+0x150/0x150 [ 1634.769002] ? vfs_fsync_range+0x260/0x260 [ 1634.773214] sync_fs_one_sb+0xb1/0xe0 [ 1634.776992] iterate_supers+0x124/0x490 [ 1634.780949] sys_sync+0x9a/0x130 [ 1634.784293] ? vfs_fsync+0x210/0x210 [ 1634.787987] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1634.792979] ? vfs_fsync+0x210/0x210 [ 1634.796673] do_syscall_64+0x1d5/0x640 [ 1634.800545] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1634.805712] RIP: 0033:0x7f3c6be997c9 [ 1634.809397] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1634.817091] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1634.824353] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1634.831599] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1634.838846] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1634.846101] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000018 [ 1634.859341] CPU: 0 PID: 10688 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1634.867318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1634.876663] Call Trace: [ 1634.879250] dump_stack+0x1b2/0x281 [ 1634.882876] should_fail.cold+0x10a/0x149 [ 1634.887021] ? sync_fs_one_sb+0xb1/0xe0 [ 1634.890986] should_failslab+0xd6/0x130 [ 1634.894948] kmem_cache_alloc_node+0x54/0x410 [ 1634.899425] create_task_io_context+0x2a/0x3c0 [ 1634.903992] generic_make_request_checks+0x1350/0x19f0 [ 1634.909253] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1634.913655] ? flush_workqueue+0x129/0x1310 [ 1634.917958] ? flush_workqueue+0x49b/0x1310 [ 1634.922261] generic_make_request+0x67/0x850 [ 1634.926651] ? mempool_alloc+0x10e/0x2d0 [ 1634.930706] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1634.936133] ? blk_queue_exit+0x1d0/0x1d0 [ 1634.940262] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1634.945275] ? kmem_cache_alloc+0x35f/0x3c0 [ 1634.949595] submit_bio+0x234/0x390 [ 1634.953200] ? generic_make_request+0x850/0x850 [ 1634.957848] ? __lockdep_init_map+0x100/0x560 [ 1634.962322] ? __lockdep_init_map+0x100/0x560 [ 1634.966800] submit_bio_wait+0xe8/0x140 [ 1634.970755] ? submit_bio_wait_endio+0xb0/0xb0 [ 1634.975321] blkdev_issue_flush+0x218/0x320 [ 1634.979622] ext4_sync_fs+0x46f/0x7e0 [ 1634.983402] ? bdev_try_to_free_page+0x150/0x150 [ 1634.988136] ? iterate_supers+0xda/0x490 [ 1634.992214] ? bdev_try_to_free_page+0x150/0x150 [ 1634.996950] ? vfs_fsync_range+0x260/0x260 [ 1635.001166] sync_fs_one_sb+0xb1/0xe0 [ 1635.004948] iterate_supers+0x124/0x490 [ 1635.008903] sys_sync+0x9a/0x130 [ 1635.012261] ? vfs_fsync+0x210/0x210 [ 1635.015959] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1635.020950] ? vfs_fsync+0x210/0x210 [ 1635.024642] do_syscall_64+0x1d5/0x640 [ 1635.028512] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1635.033680] RIP: 0033:0x7f3c6be997c9 [ 1635.037369] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1635.045056] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1635.052307] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1635.059560] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1635.066811] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1635.074062] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000017 [ 1635.081322] CPU: 1 PID: 10680 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1635.089282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1635.098613] Call Trace: [ 1635.101181] dump_stack+0x1b2/0x281 [ 1635.104790] should_fail.cold+0x10a/0x149 [ 1635.108914] ? lock_downgrade+0x740/0x740 [ 1635.113044] ? mempool_free+0x1d0/0x1d0 [ 1635.116998] should_failslab+0xd6/0x130 [ 1635.120950] kmem_cache_alloc+0x40/0x3c0 [ 1635.124990] ? mempool_free+0x1d0/0x1d0 [ 1635.128939] mempool_alloc+0x10e/0x2d0 [ 1635.132811] ? remove_element.isra.0+0x1b0/0x1b0 [ 1635.137547] ? flush_workqueue+0x40e/0x1310 [ 1635.141846] ? check_preemption_disabled+0x35/0x240 [ 1635.146842] bio_alloc_bioset+0x41b/0x830 [ 1635.150969] ? bvec_alloc+0x2d0/0x2d0 [ 1635.154754] blkdev_issue_flush+0xeb/0x320 [ 1635.158967] ext4_sync_fs+0x46f/0x7e0 [ 1635.162761] ? bdev_try_to_free_page+0x150/0x150 [ 1635.167505] ? iterate_supers+0xda/0x490 [ 1635.171544] ? bdev_try_to_free_page+0x150/0x150 [ 1635.176279] ? vfs_fsync_range+0x260/0x260 [ 1635.180488] sync_fs_one_sb+0xb1/0xe0 [ 1635.184265] iterate_supers+0x124/0x490 [ 1635.188221] sys_sync+0x9a/0x130 [ 1635.191564] ? vfs_fsync+0x210/0x210 [ 1635.195259] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1635.200252] ? vfs_fsync+0x210/0x210 [ 1635.203945] do_syscall_64+0x1d5/0x640 [ 1635.207814] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1635.212981] RIP: 0033:0x7f3c6be997c9 [ 1635.216667] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1635.224350] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1635.231596] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 executing program [ 1635.238841] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1635.246086] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1635.253341] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000033 executing program [ 1635.306922] FAULT_INJECTION: forcing a failure. [ 1635.306922] name failslab, interval 1, probability 0, space 0, times 0 [ 1635.317844] FAULT_INJECTION: forcing a failure. [ 1635.317844] name failslab, interval 1, probability 0, space 0, times 0 [ 1635.337494] CPU: 1 PID: 10702 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1635.345470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1635.354818] Call Trace: [ 1635.357403] dump_stack+0x1b2/0x281 [ 1635.361033] should_fail.cold+0x10a/0x149 [ 1635.365197] ? sync_fs_one_sb+0xb1/0xe0 [ 1635.369164] should_failslab+0xd6/0x130 [ 1635.373140] kmem_cache_alloc_node+0x54/0x410 [ 1635.377630] create_task_io_context+0x2a/0x3c0 [ 1635.382205] generic_make_request_checks+0x1350/0x19f0 [ 1635.387479] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1635.391879] ? flush_workqueue+0x129/0x1310 [ 1635.396191] ? flush_workqueue+0x49b/0x1310 [ 1635.400496] generic_make_request+0x67/0x850 [ 1635.404884] ? mempool_alloc+0x10e/0x2d0 [ 1635.408924] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1635.414359] ? blk_queue_exit+0x1d0/0x1d0 [ 1635.418496] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1635.423507] ? kmem_cache_alloc+0x35f/0x3c0 [ 1635.427826] submit_bio+0x234/0x390 [ 1635.431451] ? generic_make_request+0x850/0x850 [ 1635.436114] ? __lockdep_init_map+0x100/0x560 [ 1635.440605] ? __lockdep_init_map+0x100/0x560 [ 1635.445099] submit_bio_wait+0xe8/0x140 [ 1635.449068] ? submit_bio_wait_endio+0xb0/0xb0 [ 1635.453645] blkdev_issue_flush+0x218/0x320 [ 1635.457951] ext4_sync_fs+0x46f/0x7e0 [ 1635.461734] ? bdev_try_to_free_page+0x150/0x150 [ 1635.466467] ? iterate_supers+0xda/0x490 [ 1635.470511] ? bdev_try_to_free_page+0x150/0x150 [ 1635.475246] ? vfs_fsync_range+0x260/0x260 [ 1635.479457] sync_fs_one_sb+0xb1/0xe0 [ 1635.483244] iterate_supers+0x124/0x490 [ 1635.487209] sys_sync+0x9a/0x130 [ 1635.490556] ? vfs_fsync+0x210/0x210 [ 1635.494252] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1635.499253] ? vfs_fsync+0x210/0x210 [ 1635.502950] do_syscall_64+0x1d5/0x640 [ 1635.506824] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1635.511994] RIP: 0033:0x7f3c6be997c9 [ 1635.515687] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1635.523374] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1635.530642] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1635.537892] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1635.545144] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1635.552393] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000017 [ 1635.559655] CPU: 0 PID: 10695 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1635.567622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1635.576967] Call Trace: [ 1635.579546] dump_stack+0x1b2/0x281 [ 1635.583175] should_fail.cold+0x10a/0x149 [ 1635.587322] ? sync_fs_one_sb+0xb1/0xe0 [ 1635.591291] should_failslab+0xd6/0x130 [ 1635.595261] kmem_cache_alloc_node+0x54/0x410 [ 1635.599754] create_task_io_context+0x2a/0x3c0 [ 1635.604330] generic_make_request_checks+0x1350/0x19f0 [ 1635.609603] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1635.614006] ? flush_workqueue+0x129/0x1310 [ 1635.618313] ? flush_workqueue+0x49b/0x1310 [ 1635.622622] generic_make_request+0x67/0x850 [ 1635.627123] ? mempool_alloc+0x10e/0x2d0 [ 1635.631188] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1635.636615] ? blk_queue_exit+0x1d0/0x1d0 [ 1635.640741] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1635.645734] ? kmem_cache_alloc+0x35f/0x3c0 [ 1635.650031] submit_bio+0x234/0x390 [ 1635.653634] ? generic_make_request+0x850/0x850 [ 1635.658281] ? __lockdep_init_map+0x100/0x560 [ 1635.662769] ? __lockdep_init_map+0x100/0x560 [ 1635.667239] submit_bio_wait+0xe8/0x140 [ 1635.671207] ? submit_bio_wait_endio+0xb0/0xb0 [ 1635.675772] blkdev_issue_flush+0x218/0x320 [ 1635.680070] ext4_sync_fs+0x46f/0x7e0 [ 1635.683846] ? bdev_try_to_free_page+0x150/0x150 [ 1635.688574] ? iterate_supers+0xda/0x490 [ 1635.692618] ? bdev_try_to_free_page+0x150/0x150 [ 1635.697349] ? vfs_fsync_range+0x260/0x260 [ 1635.701563] sync_fs_one_sb+0xb1/0xe0 [ 1635.705337] iterate_supers+0x124/0x490 [ 1635.709291] sys_sync+0x9a/0x130 [ 1635.712633] ? vfs_fsync+0x210/0x210 [ 1635.716321] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1635.721310] ? vfs_fsync+0x210/0x210 [ 1635.724999] do_syscall_64+0x1d5/0x640 [ 1635.728864] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1635.734027] RIP: 0033:0x7f3c6be997c9 [ 1635.737716] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1635.745396] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 executing program executing program [ 1635.752642] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1635.759914] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1635.767158] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1635.774403] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000018 [ 1635.815593] FAULT_INJECTION: forcing a failure. [ 1635.815593] name failslab, interval 1, probability 0, space 0, times 0 [ 1635.836549] CPU: 0 PID: 10711 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1635.844526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1635.853871] Call Trace: [ 1635.856451] dump_stack+0x1b2/0x281 [ 1635.860076] should_fail.cold+0x10a/0x149 [ 1635.864218] ? sync_fs_one_sb+0xb1/0xe0 [ 1635.868188] should_failslab+0xd6/0x130 [ 1635.872161] kmem_cache_alloc_node+0x54/0x410 [ 1635.876656] create_task_io_context+0x2a/0x3c0 [ 1635.881235] generic_make_request_checks+0x1350/0x19f0 [ 1635.886510] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1635.890915] ? flush_workqueue+0x129/0x1310 [ 1635.895232] ? flush_workqueue+0x49b/0x1310 [ 1635.899553] generic_make_request+0x67/0x850 [ 1635.903957] ? mempool_alloc+0x10e/0x2d0 [ 1635.908010] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1635.913449] ? blk_queue_exit+0x1d0/0x1d0 [ 1635.917573] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1635.922573] ? kmem_cache_alloc+0x35f/0x3c0 [ 1635.926873] submit_bio+0x234/0x390 [ 1635.930477] ? generic_make_request+0x850/0x850 [ 1635.935124] ? __lockdep_init_map+0x100/0x560 [ 1635.939615] ? __lockdep_init_map+0x100/0x560 [ 1635.944087] submit_bio_wait+0xe8/0x140 [ 1635.948054] ? submit_bio_wait_endio+0xb0/0xb0 [ 1635.952624] blkdev_issue_flush+0x218/0x320 [ 1635.956939] ext4_sync_fs+0x46f/0x7e0 [ 1635.960728] ? bdev_try_to_free_page+0x150/0x150 [ 1635.965466] ? iterate_supers+0xda/0x490 [ 1635.969501] ? bdev_try_to_free_page+0x150/0x150 [ 1635.974235] ? vfs_fsync_range+0x260/0x260 [ 1635.978444] sync_fs_one_sb+0xb1/0xe0 [ 1635.982220] iterate_supers+0x124/0x490 [ 1635.986170] sys_sync+0x9a/0x130 [ 1635.989532] ? vfs_fsync+0x210/0x210 [ 1635.993231] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1635.998225] ? vfs_fsync+0x210/0x210 [ 1636.001922] do_syscall_64+0x1d5/0x640 [ 1636.005789] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1636.010969] RIP: 0033:0x7f3c6be997c9 [ 1636.014659] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1636.022340] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1636.029603] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1636.036853] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1636.044097] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1636.051352] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000017 executing program executing program [ 1636.123036] FAULT_INJECTION: forcing a failure. [ 1636.123036] name failslab, interval 1, probability 0, space 0, times 0 [ 1636.136010] CPU: 0 PID: 10709 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1636.143983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1636.153368] Call Trace: [ 1636.155937] dump_stack+0x1b2/0x281 [ 1636.159545] should_fail.cold+0x10a/0x149 [ 1636.163696] should_failslab+0xd6/0x130 [ 1636.167657] kmem_cache_alloc+0x28e/0x3c0 [ 1636.171789] start_transaction+0x27c/0xf30 [ 1636.176004] ? vfs_fsync_range+0x260/0x260 [ 1636.180213] btrfs_attach_transaction_barrier+0x22/0x80 [ 1636.185553] btrfs_sync_fs+0xcd/0x430 [ 1636.189346] ? btrfs_freeze+0xb0/0xb0 [ 1636.193140] ? vfs_fsync_range+0x260/0x260 [ 1636.197362] sync_fs_one_sb+0xb1/0xe0 [ 1636.201140] iterate_supers+0x124/0x490 [ 1636.205094] sys_sync+0x9a/0x130 [ 1636.208559] ? vfs_fsync+0x210/0x210 [ 1636.212256] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1636.217275] ? vfs_fsync+0x210/0x210 [ 1636.220974] do_syscall_64+0x1d5/0x640 [ 1636.224841] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1636.230015] RIP: 0033:0x7f3c6be997c9 [ 1636.233706] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1636.241387] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1636.248652] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1636.255899] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1636.263149] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 executing program [ 1636.270418] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000034 executing program [ 1636.311127] FAULT_INJECTION: forcing a failure. [ 1636.311127] name failslab, interval 1, probability 0, space 0, times 0 [ 1636.322601] FAULT_INJECTION: forcing a failure. [ 1636.322601] name failslab, interval 1, probability 0, space 0, times 0 [ 1636.340907] FAULT_INJECTION: forcing a failure. [ 1636.340907] name failslab, interval 1, probability 0, space 0, times 0 [ 1636.350829] FAULT_INJECTION: forcing a failure. [ 1636.350829] name failslab, interval 1, probability 0, space 0, times 0 [ 1636.366687] CPU: 1 PID: 10726 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1636.374677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1636.384009] Call Trace: [ 1636.386580] dump_stack+0x1b2/0x281 [ 1636.390191] should_fail.cold+0x10a/0x149 [ 1636.394319] ? sync_fs_one_sb+0xb1/0xe0 [ 1636.398273] should_failslab+0xd6/0x130 [ 1636.402229] kmem_cache_alloc_node+0x54/0x410 [ 1636.406706] create_task_io_context+0x2a/0x3c0 [ 1636.411269] generic_make_request_checks+0x1350/0x19f0 [ 1636.416531] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1636.420922] ? flush_workqueue+0x129/0x1310 [ 1636.425223] ? flush_workqueue+0x49b/0x1310 [ 1636.429529] generic_make_request+0x67/0x850 [ 1636.433930] ? mempool_alloc+0x10e/0x2d0 [ 1636.437987] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1636.443419] ? blk_queue_exit+0x1d0/0x1d0 [ 1636.447549] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1636.452549] ? kmem_cache_alloc+0x35f/0x3c0 [ 1636.456852] submit_bio+0x234/0x390 [ 1636.460462] ? generic_make_request+0x850/0x850 [ 1636.465112] ? __lockdep_init_map+0x100/0x560 [ 1636.469588] ? __lockdep_init_map+0x100/0x560 [ 1636.474078] submit_bio_wait+0xe8/0x140 [ 1636.478038] ? submit_bio_wait_endio+0xb0/0xb0 [ 1636.482610] blkdev_issue_flush+0x218/0x320 [ 1636.486913] ext4_sync_fs+0x46f/0x7e0 [ 1636.490692] ? bdev_try_to_free_page+0x150/0x150 [ 1636.495444] ? iterate_supers+0xda/0x490 [ 1636.499483] ? bdev_try_to_free_page+0x150/0x150 [ 1636.504217] ? vfs_fsync_range+0x260/0x260 [ 1636.508432] sync_fs_one_sb+0xb1/0xe0 [ 1636.512229] iterate_supers+0x124/0x490 [ 1636.516200] sys_sync+0x9a/0x130 [ 1636.519544] ? vfs_fsync+0x210/0x210 [ 1636.523238] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1636.528233] ? vfs_fsync+0x210/0x210 [ 1636.531937] do_syscall_64+0x1d5/0x640 [ 1636.535819] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1636.540993] RIP: 0033:0x7f3c6be997c9 [ 1636.544691] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1636.552392] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1636.559653] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1636.566906] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1636.574153] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1636.581401] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000019 [ 1636.588660] CPU: 0 PID: 10727 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1636.596617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1636.605967] Call Trace: [ 1636.608543] dump_stack+0x1b2/0x281 [ 1636.612153] should_fail.cold+0x10a/0x149 [ 1636.616279] ? sync_fs_one_sb+0xb1/0xe0 [ 1636.620250] should_failslab+0xd6/0x130 [ 1636.624204] kmem_cache_alloc_node+0x54/0x410 [ 1636.628679] create_task_io_context+0x2a/0x3c0 [ 1636.633240] generic_make_request_checks+0x1350/0x19f0 [ 1636.638498] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1636.642890] ? flush_workqueue+0x129/0x1310 [ 1636.647191] ? flush_workqueue+0x49b/0x1310 [ 1636.651509] generic_make_request+0x67/0x850 [ 1636.655895] ? mempool_alloc+0x10e/0x2d0 [ 1636.659934] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1636.665362] ? blk_queue_exit+0x1d0/0x1d0 [ 1636.669489] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1636.674482] ? kmem_cache_alloc+0x35f/0x3c0 [ 1636.678787] submit_bio+0x234/0x390 [ 1636.682393] ? generic_make_request+0x850/0x850 [ 1636.687132] ? __lockdep_init_map+0x100/0x560 [ 1636.691611] ? __lockdep_init_map+0x100/0x560 [ 1636.696090] submit_bio_wait+0xe8/0x140 [ 1636.700051] ? submit_bio_wait_endio+0xb0/0xb0 [ 1636.704620] blkdev_issue_flush+0x218/0x320 [ 1636.708926] ext4_sync_fs+0x46f/0x7e0 [ 1636.712720] ? bdev_try_to_free_page+0x150/0x150 [ 1636.717455] ? iterate_supers+0xda/0x490 [ 1636.721499] ? bdev_try_to_free_page+0x150/0x150 [ 1636.726235] ? vfs_fsync_range+0x260/0x260 [ 1636.730447] sync_fs_one_sb+0xb1/0xe0 [ 1636.734226] iterate_supers+0x124/0x490 [ 1636.738181] sys_sync+0x9a/0x130 [ 1636.741586] ? vfs_fsync+0x210/0x210 [ 1636.745288] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1636.750280] ? vfs_fsync+0x210/0x210 [ 1636.753971] do_syscall_64+0x1d5/0x640 [ 1636.757839] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1636.763007] RIP: 0033:0x7f3c6be997c9 [ 1636.766695] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1636.774562] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1636.781808] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1636.789072] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1636.796320] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1636.803572] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000018 [ 1636.810835] CPU: 1 PID: 10738 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1636.818799] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1636.828142] Call Trace: [ 1636.830724] dump_stack+0x1b2/0x281 [ 1636.834367] should_fail.cold+0x10a/0x149 [ 1636.838500] ? sync_fs_one_sb+0xb1/0xe0 [ 1636.842466] should_failslab+0xd6/0x130 [ 1636.846442] kmem_cache_alloc_node+0x54/0x410 [ 1636.850921] create_task_io_context+0x2a/0x3c0 [ 1636.855491] generic_make_request_checks+0x1350/0x19f0 [ 1636.860766] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1636.865162] ? flush_workqueue+0x129/0x1310 [ 1636.869466] ? flush_workqueue+0x49b/0x1310 [ 1636.873834] generic_make_request+0x67/0x850 [ 1636.878226] ? mempool_alloc+0x10e/0x2d0 [ 1636.882270] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1636.887707] ? blk_queue_exit+0x1d0/0x1d0 [ 1636.891845] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1636.896853] ? kmem_cache_alloc+0x35f/0x3c0 [ 1636.901162] submit_bio+0x234/0x390 [ 1636.904775] ? generic_make_request+0x850/0x850 [ 1636.909424] ? __lockdep_init_map+0x100/0x560 [ 1636.913898] ? __lockdep_init_map+0x100/0x560 [ 1636.918401] submit_bio_wait+0xe8/0x140 [ 1636.922362] ? submit_bio_wait_endio+0xb0/0xb0 [ 1636.926953] blkdev_issue_flush+0x218/0x320 [ 1636.931253] ext4_sync_fs+0x46f/0x7e0 [ 1636.935035] ? bdev_try_to_free_page+0x150/0x150 [ 1636.939770] ? iterate_supers+0xda/0x490 [ 1636.943906] ? bdev_try_to_free_page+0x150/0x150 [ 1636.948651] ? vfs_fsync_range+0x260/0x260 [ 1636.952874] sync_fs_one_sb+0xb1/0xe0 [ 1636.956696] iterate_supers+0x124/0x490 [ 1636.960663] sys_sync+0x9a/0x130 [ 1636.964018] ? vfs_fsync+0x210/0x210 [ 1636.967719] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1636.972721] ? vfs_fsync+0x210/0x210 [ 1636.976423] do_syscall_64+0x1d5/0x640 [ 1636.980304] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1636.985483] RIP: 0033:0x7f3c6be997c9 [ 1636.989177] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1636.996864] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1637.004112] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 executing program [ 1637.011366] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1637.018626] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1637.025880] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000018 [ 1637.048233] CPU: 0 PID: 10732 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1637.056228] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1637.065574] Call Trace: [ 1637.068156] dump_stack+0x1b2/0x281 [ 1637.071786] should_fail.cold+0x10a/0x149 [ 1637.075935] should_failslab+0xd6/0x130 [ 1637.079908] kmem_cache_alloc+0x28e/0x3c0 [ 1637.084050] start_transaction+0x27c/0xf30 [ 1637.088287] ? vfs_fsync_range+0x260/0x260 [ 1637.092520] btrfs_attach_transaction_barrier+0x22/0x80 [ 1637.097876] btrfs_sync_fs+0xcd/0x430 [ 1637.101674] ? btrfs_freeze+0xb0/0xb0 [ 1637.105460] ? vfs_fsync_range+0x260/0x260 [ 1637.109666] sync_fs_one_sb+0xb1/0xe0 [ 1637.113462] iterate_supers+0x124/0x490 [ 1637.117426] sys_sync+0x9a/0x130 [ 1637.120767] ? vfs_fsync+0x210/0x210 [ 1637.124471] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1637.129471] ? vfs_fsync+0x210/0x210 [ 1637.133160] do_syscall_64+0x1d5/0x640 [ 1637.137025] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1637.142187] RIP: 0033:0x7f3c6be997c9 [ 1637.145871] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1637.153555] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 executing program [ 1637.160797] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1637.168051] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1637.175312] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1637.182555] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000035 executing program [ 1637.232578] BTRFS info (device loop0): disabling disk space caching [ 1637.239324] BTRFS info (device loop0): has skinny extents [ 1637.294916] BTRFS info (device loop0): checking UUID tree [ 1637.301224] BTRFS warning (device loop0): btrfs_uuid_scan_kthread failed -28 [ 1637.304920] FAULT_INJECTION: forcing a failure. [ 1637.304920] name failslab, interval 1, probability 0, space 0, times 0 [ 1637.308528] FAULT_INJECTION: forcing a failure. [ 1637.308528] name failslab, interval 1, probability 0, space 0, times 0 [ 1637.325199] FAULT_INJECTION: forcing a failure. [ 1637.325199] name failslab, interval 1, probability 0, space 0, times 0 [ 1637.333371] CPU: 0 PID: 10751 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1637.350070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1637.359401] Call Trace: [ 1637.361974] dump_stack+0x1b2/0x281 [ 1637.365586] should_fail.cold+0x10a/0x149 [ 1637.369709] ? sync_fs_one_sb+0xb1/0xe0 [ 1637.373661] should_failslab+0xd6/0x130 [ 1637.377615] kmem_cache_alloc_node+0x54/0x410 [ 1637.382089] create_task_io_context+0x2a/0x3c0 [ 1637.386650] generic_make_request_checks+0x1350/0x19f0 [ 1637.391925] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1637.396313] ? flush_workqueue+0x129/0x1310 [ 1637.400612] ? flush_workqueue+0x49b/0x1310 [ 1637.405173] generic_make_request+0x67/0x850 [ 1637.409574] ? mempool_alloc+0x10e/0x2d0 [ 1637.413623] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1637.419049] ? blk_queue_exit+0x1d0/0x1d0 [ 1637.423177] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1637.428173] ? kmem_cache_alloc+0x35f/0x3c0 [ 1637.432473] submit_bio+0x234/0x390 [ 1637.436078] ? generic_make_request+0x850/0x850 [ 1637.440730] ? __lockdep_init_map+0x100/0x560 [ 1637.445201] ? __lockdep_init_map+0x100/0x560 [ 1637.449677] submit_bio_wait+0xe8/0x140 [ 1637.453629] ? submit_bio_wait_endio+0xb0/0xb0 [ 1637.458193] blkdev_issue_flush+0x218/0x320 [ 1637.462494] ext4_sync_fs+0x46f/0x7e0 [ 1637.466278] ? bdev_try_to_free_page+0x150/0x150 [ 1637.471011] ? iterate_supers+0xda/0x490 [ 1637.475048] ? bdev_try_to_free_page+0x150/0x150 [ 1637.479784] ? vfs_fsync_range+0x260/0x260 [ 1637.483996] sync_fs_one_sb+0xb1/0xe0 [ 1637.487773] iterate_supers+0x124/0x490 [ 1637.491726] sys_sync+0x9a/0x130 [ 1637.495069] ? vfs_fsync+0x210/0x210 [ 1637.498760] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1637.503754] ? vfs_fsync+0x210/0x210 [ 1637.507447] do_syscall_64+0x1d5/0x640 [ 1637.511314] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1637.516481] RIP: 0033:0x7f3c6be997c9 [ 1637.520170] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1637.527853] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1637.535097] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1637.542344] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1637.549589] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1637.556835] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000036 [ 1637.564093] CPU: 1 PID: 10755 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1637.572054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1637.581394] Call Trace: [ 1637.583978] dump_stack+0x1b2/0x281 [ 1637.587600] should_fail.cold+0x10a/0x149 [ 1637.591733] should_failslab+0xd6/0x130 [ 1637.595698] kmem_cache_alloc+0x28e/0x3c0 [ 1637.599844] start_transaction+0x27c/0xf30 [ 1637.604077] ? vfs_fsync_range+0x260/0x260 [ 1637.608301] btrfs_attach_transaction_barrier+0x22/0x80 [ 1637.613658] btrfs_sync_fs+0xcd/0x430 [ 1637.617457] ? btrfs_freeze+0xb0/0xb0 [ 1637.621252] ? vfs_fsync_range+0x260/0x260 [ 1637.625476] sync_fs_one_sb+0xb1/0xe0 [ 1637.629269] iterate_supers+0x124/0x490 [ 1637.633235] sys_sync+0x9a/0x130 [ 1637.636593] ? vfs_fsync+0x210/0x210 [ 1637.640297] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1637.645298] ? vfs_fsync+0x210/0x210 [ 1637.648999] do_syscall_64+0x1d5/0x640 [ 1637.652872] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1637.658039] RIP: 0033:0x7f3c6be997c9 [ 1637.661727] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1637.669409] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1637.676652] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1637.683896] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1637.691141] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1637.698475] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000018 [ 1637.706256] CPU: 0 PID: 10746 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1637.714210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1637.723540] Call Trace: [ 1637.726117] dump_stack+0x1b2/0x281 [ 1637.729725] should_fail.cold+0x10a/0x149 [ 1637.733851] ? lock_downgrade+0x740/0x740 [ 1637.737978] ? mempool_free+0x1d0/0x1d0 [ 1637.741937] should_failslab+0xd6/0x130 [ 1637.745888] kmem_cache_alloc+0x40/0x3c0 [ 1637.749925] ? mempool_free+0x1d0/0x1d0 [ 1637.753873] mempool_alloc+0x10e/0x2d0 [ 1637.757918] ? remove_element.isra.0+0x1b0/0x1b0 [ 1637.762659] ? flush_workqueue+0x40e/0x1310 [ 1637.766956] ? check_preemption_disabled+0x35/0x240 [ 1637.771953] bio_alloc_bioset+0x41b/0x830 [ 1637.776078] ? bvec_alloc+0x2d0/0x2d0 [ 1637.779857] blkdev_issue_flush+0xeb/0x320 [ 1637.784068] ext4_sync_fs+0x46f/0x7e0 [ 1637.787847] ? bdev_try_to_free_page+0x150/0x150 [ 1637.792574] ? iterate_supers+0xda/0x490 [ 1637.796612] ? bdev_try_to_free_page+0x150/0x150 [ 1637.801344] ? vfs_fsync_range+0x260/0x260 [ 1637.805557] sync_fs_one_sb+0xb1/0xe0 [ 1637.809333] iterate_supers+0x124/0x490 [ 1637.813285] sys_sync+0x9a/0x130 [ 1637.816657] ? vfs_fsync+0x210/0x210 [ 1637.820351] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1637.825352] ? vfs_fsync+0x210/0x210 [ 1637.829042] do_syscall_64+0x1d5/0x640 [ 1637.832912] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1637.838075] RIP: 0033:0x7f3c6be997c9 [ 1637.841762] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1637.849455] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1637.856705] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1637.863949] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1637.871196] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1637.878446] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000019 executing program executing program [ 1637.994608] FAULT_INJECTION: forcing a failure. [ 1637.994608] name failslab, interval 1, probability 0, space 0, times 0 [ 1637.997489] FAULT_INJECTION: forcing a failure. [ 1637.997489] name failslab, interval 1, probability 0, space 0, times 0 [ 1638.012283] CPU: 0 PID: 10794 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1638.025128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1638.034461] Call Trace: [ 1638.037028] dump_stack+0x1b2/0x281 [ 1638.040637] should_fail.cold+0x10a/0x149 [ 1638.044776] ? sync_fs_one_sb+0xb1/0xe0 [ 1638.048742] should_failslab+0xd6/0x130 [ 1638.052696] kmem_cache_alloc_node+0x54/0x410 [ 1638.057172] create_task_io_context+0x2a/0x3c0 [ 1638.061731] generic_make_request_checks+0x1350/0x19f0 [ 1638.067007] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1638.071398] ? flush_workqueue+0x129/0x1310 [ 1638.075697] ? flush_workqueue+0x49b/0x1310 [ 1638.079996] generic_make_request+0x67/0x850 [ 1638.084383] ? mempool_alloc+0x10e/0x2d0 [ 1638.088421] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1638.093845] ? blk_queue_exit+0x1d0/0x1d0 [ 1638.097968] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1638.103134] ? kmem_cache_alloc+0x35f/0x3c0 [ 1638.107519] submit_bio+0x234/0x390 [ 1638.111121] ? generic_make_request+0x850/0x850 [ 1638.115775] ? __lockdep_init_map+0x100/0x560 [ 1638.120249] ? __lockdep_init_map+0x100/0x560 [ 1638.124724] submit_bio_wait+0xe8/0x140 [ 1638.128675] ? submit_bio_wait_endio+0xb0/0xb0 [ 1638.133241] blkdev_issue_flush+0x218/0x320 [ 1638.137541] ext4_sync_fs+0x46f/0x7e0 [ 1638.141321] ? bdev_try_to_free_page+0x150/0x150 [ 1638.146050] ? iterate_supers+0xda/0x490 [ 1638.150089] ? bdev_try_to_free_page+0x150/0x150 [ 1638.154824] ? vfs_fsync_range+0x260/0x260 [ 1638.159118] sync_fs_one_sb+0xb1/0xe0 [ 1638.162899] iterate_supers+0x124/0x490 [ 1638.166851] sys_sync+0x9a/0x130 [ 1638.170222] ? vfs_fsync+0x210/0x210 [ 1638.173923] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1638.178920] ? vfs_fsync+0x210/0x210 [ 1638.182612] do_syscall_64+0x1d5/0x640 [ 1638.186487] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1638.191668] RIP: 0033:0x7f3c6be997c9 executing program [ 1638.195358] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1638.203049] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1638.210300] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1638.217547] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1638.224798] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1638.232054] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000019 [ 1638.284411] CPU: 1 PID: 10796 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1638.292394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1638.301742] Call Trace: [ 1638.304587] dump_stack+0x1b2/0x281 [ 1638.308215] should_fail.cold+0x10a/0x149 [ 1638.312359] should_failslab+0xd6/0x130 [ 1638.316329] kmem_cache_alloc+0x28e/0x3c0 [ 1638.320471] start_transaction+0x27c/0xf30 [ 1638.324705] ? vfs_fsync_range+0x260/0x260 [ 1638.328927] btrfs_attach_transaction_barrier+0x22/0x80 [ 1638.334267] btrfs_sync_fs+0xcd/0x430 [ 1638.338042] ? btrfs_freeze+0xb0/0xb0 [ 1638.341815] ? vfs_fsync_range+0x260/0x260 [ 1638.346021] sync_fs_one_sb+0xb1/0xe0 [ 1638.349802] iterate_supers+0x124/0x490 [ 1638.353751] sys_sync+0x9a/0x130 [ 1638.357093] ? vfs_fsync+0x210/0x210 [ 1638.360782] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1638.365775] ? vfs_fsync+0x210/0x210 [ 1638.369483] do_syscall_64+0x1d5/0x640 [ 1638.373354] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1638.378517] RIP: 0033:0x7f3c6be997c9 [ 1638.382201] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1638.389881] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1638.397123] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1638.404367] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1638.411610] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1638.418878] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000037 executing program executing program executing program [ 1638.460617] FAULT_INJECTION: forcing a failure. [ 1638.460617] name failslab, interval 1, probability 0, space 0, times 0 [ 1638.476352] FAULT_INJECTION: forcing a failure. [ 1638.476352] name failslab, interval 1, probability 0, space 0, times 0 [ 1638.478075] FAULT_INJECTION: forcing a failure. [ 1638.478075] name failslab, interval 1, probability 0, space 0, times 0 [ 1638.489655] CPU: 1 PID: 10811 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1638.506817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1638.516158] Call Trace: [ 1638.518731] dump_stack+0x1b2/0x281 [ 1638.522357] should_fail.cold+0x10a/0x149 [ 1638.526502] should_failslab+0xd6/0x130 [ 1638.530476] kmem_cache_alloc+0x28e/0x3c0 [ 1638.534618] start_transaction+0x27c/0xf30 [ 1638.538854] ? vfs_fsync_range+0x260/0x260 [ 1638.543079] btrfs_attach_transaction_barrier+0x22/0x80 [ 1638.548432] btrfs_sync_fs+0xcd/0x430 [ 1638.552220] ? btrfs_freeze+0xb0/0xb0 [ 1638.556000] ? vfs_fsync_range+0x260/0x260 [ 1638.560218] sync_fs_one_sb+0xb1/0xe0 [ 1638.564030] iterate_supers+0x124/0x490 [ 1638.567999] sys_sync+0x9a/0x130 [ 1638.571364] ? vfs_fsync+0x210/0x210 [ 1638.575065] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1638.580060] ? vfs_fsync+0x210/0x210 [ 1638.583763] do_syscall_64+0x1d5/0x640 [ 1638.587644] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1638.592814] RIP: 0033:0x7f3c6be997c9 [ 1638.596501] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1638.604190] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1638.611446] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1638.618696] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1638.625953] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1638.633212] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000038 [ 1638.647567] CPU: 0 PID: 10803 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1638.655533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1638.664864] Call Trace: [ 1638.667429] dump_stack+0x1b2/0x281 [ 1638.671035] should_fail.cold+0x10a/0x149 [ 1638.675161] ? sync_fs_one_sb+0xb1/0xe0 [ 1638.679114] should_failslab+0xd6/0x130 [ 1638.683069] kmem_cache_alloc_node+0x54/0x410 [ 1638.687540] create_task_io_context+0x2a/0x3c0 [ 1638.692099] generic_make_request_checks+0x1350/0x19f0 [ 1638.697357] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1638.701743] ? flush_workqueue+0x129/0x1310 [ 1638.706045] ? flush_workqueue+0x49b/0x1310 [ 1638.710373] generic_make_request+0x67/0x850 [ 1638.714760] ? mempool_alloc+0x10e/0x2d0 [ 1638.718797] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1638.724223] ? blk_queue_exit+0x1d0/0x1d0 [ 1638.728363] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1638.733358] ? kmem_cache_alloc+0x35f/0x3c0 [ 1638.737668] submit_bio+0x234/0x390 [ 1638.741269] ? generic_make_request+0x850/0x850 [ 1638.745913] ? __lockdep_init_map+0x100/0x560 [ 1638.750385] ? __lockdep_init_map+0x100/0x560 [ 1638.754868] submit_bio_wait+0xe8/0x140 [ 1638.758817] ? submit_bio_wait_endio+0xb0/0xb0 [ 1638.763384] blkdev_issue_flush+0x218/0x320 [ 1638.767687] ext4_sync_fs+0x46f/0x7e0 [ 1638.771467] ? bdev_try_to_free_page+0x150/0x150 [ 1638.776200] ? iterate_supers+0xda/0x490 [ 1638.780239] ? bdev_try_to_free_page+0x150/0x150 [ 1638.784971] ? vfs_fsync_range+0x260/0x260 [ 1638.789179] sync_fs_one_sb+0xb1/0xe0 [ 1638.792959] iterate_supers+0x124/0x490 [ 1638.796913] sys_sync+0x9a/0x130 [ 1638.800254] ? vfs_fsync+0x210/0x210 [ 1638.803944] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1638.808936] ? vfs_fsync+0x210/0x210 [ 1638.812624] do_syscall_64+0x1d5/0x640 [ 1638.816504] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1638.821671] RIP: 0033:0x7f3c6be997c9 [ 1638.825357] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1638.833043] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1638.840287] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1638.847533] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1638.854786] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1638.862031] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000019 [ 1638.884481] CPU: 0 PID: 10809 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1638.892447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1638.901790] Call Trace: [ 1638.904801] dump_stack+0x1b2/0x281 [ 1638.908428] should_fail.cold+0x10a/0x149 [ 1638.912572] should_failslab+0xd6/0x130 [ 1638.916538] kmem_cache_alloc+0x28e/0x3c0 [ 1638.920683] start_transaction+0x27c/0xf30 [ 1638.924915] ? vfs_fsync_range+0x260/0x260 [ 1638.929140] btrfs_attach_transaction_barrier+0x22/0x80 [ 1638.934489] btrfs_sync_fs+0xcd/0x430 [ 1638.938275] ? btrfs_freeze+0xb0/0xb0 [ 1638.942068] ? vfs_fsync_range+0x260/0x260 [ 1638.946293] sync_fs_one_sb+0xb1/0xe0 [ 1638.950086] iterate_supers+0x124/0x490 [ 1638.954053] sys_sync+0x9a/0x130 [ 1638.957403] ? vfs_fsync+0x210/0x210 [ 1638.961093] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1638.966082] ? vfs_fsync+0x210/0x210 [ 1638.969769] do_syscall_64+0x1d5/0x640 [ 1638.973635] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1638.978816] RIP: 0033:0x7f3c6be997c9 [ 1638.982521] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1638.990208] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1638.997466] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1639.005054] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 executing program executing program [ 1639.012298] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1639.019546] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000001a [ 1639.130334] FAULT_INJECTION: forcing a failure. [ 1639.130334] name failslab, interval 1, probability 0, space 0, times 0 [ 1639.130893] FAULT_INJECTION: forcing a failure. [ 1639.130893] name failslab, interval 1, probability 0, space 0, times 0 [ 1639.141973] CPU: 0 PID: 10814 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1639.160757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1639.170090] Call Trace: [ 1639.172683] dump_stack+0x1b2/0x281 [ 1639.176312] should_fail.cold+0x10a/0x149 [ 1639.180442] ? sync_fs_one_sb+0xb1/0xe0 [ 1639.184403] should_failslab+0xd6/0x130 [ 1639.188353] kmem_cache_alloc_node+0x54/0x410 [ 1639.192827] create_task_io_context+0x2a/0x3c0 [ 1639.197390] generic_make_request_checks+0x1350/0x19f0 [ 1639.202903] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1639.207289] ? flush_workqueue+0x129/0x1310 [ 1639.211600] ? flush_workqueue+0x49b/0x1310 [ 1639.215908] generic_make_request+0x67/0x850 [ 1639.220309] ? mempool_alloc+0x10e/0x2d0 [ 1639.224347] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1639.229776] ? blk_queue_exit+0x1d0/0x1d0 [ 1639.233902] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1639.238894] ? kmem_cache_alloc+0x35f/0x3c0 [ 1639.243193] submit_bio+0x234/0x390 [ 1639.246796] ? generic_make_request+0x850/0x850 [ 1639.251439] ? __lockdep_init_map+0x100/0x560 [ 1639.255924] ? __lockdep_init_map+0x100/0x560 [ 1639.260396] submit_bio_wait+0xe8/0x140 [ 1639.264346] ? submit_bio_wait_endio+0xb0/0xb0 [ 1639.268911] blkdev_issue_flush+0x218/0x320 [ 1639.273211] ext4_sync_fs+0x46f/0x7e0 [ 1639.276988] ? bdev_try_to_free_page+0x150/0x150 [ 1639.281803] ? iterate_supers+0xda/0x490 [ 1639.285842] ? bdev_try_to_free_page+0x150/0x150 [ 1639.290659] ? vfs_fsync_range+0x260/0x260 [ 1639.294872] sync_fs_one_sb+0xb1/0xe0 [ 1639.298646] iterate_supers+0x124/0x490 [ 1639.302597] sys_sync+0x9a/0x130 [ 1639.305939] ? vfs_fsync+0x210/0x210 [ 1639.309632] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1639.314622] ? vfs_fsync+0x210/0x210 [ 1639.318311] do_syscall_64+0x1d5/0x640 [ 1639.322179] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1639.327350] RIP: 0033:0x7f3c6be997c9 [ 1639.331036] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1639.338723] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1639.345967] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1639.353219] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1639.360464] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1639.367723] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000019 [ 1639.394656] CPU: 0 PID: 10826 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1639.396718] FAULT_INJECTION: forcing a failure. [ 1639.396718] name failslab, interval 1, probability 0, space 0, times 0 [ 1639.402616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1639.402620] Call Trace: [ 1639.402633] dump_stack+0x1b2/0x281 [ 1639.402645] should_fail.cold+0x10a/0x149 [ 1639.402654] ? sync_fs_one_sb+0xb1/0xe0 [ 1639.402663] should_failslab+0xd6/0x130 [ 1639.402673] kmem_cache_alloc_node+0x54/0x410 [ 1639.402688] create_task_io_context+0x2a/0x3c0 [ 1639.450343] generic_make_request_checks+0x1350/0x19f0 [ 1639.455598] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1639.460000] ? flush_workqueue+0x129/0x1310 [ 1639.464299] ? flush_workqueue+0x49b/0x1310 [ 1639.468596] generic_make_request+0x67/0x850 [ 1639.472981] ? mempool_alloc+0x10e/0x2d0 [ 1639.477019] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1639.482457] ? blk_queue_exit+0x1d0/0x1d0 [ 1639.486580] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1639.491573] ? kmem_cache_alloc+0x35f/0x3c0 [ 1639.495873] submit_bio+0x234/0x390 [ 1639.499474] ? generic_make_request+0x850/0x850 [ 1639.504117] ? __lockdep_init_map+0x100/0x560 [ 1639.508589] ? __lockdep_init_map+0x100/0x560 [ 1639.513062] submit_bio_wait+0xe8/0x140 [ 1639.517012] ? submit_bio_wait_endio+0xb0/0xb0 [ 1639.521575] blkdev_issue_flush+0x218/0x320 [ 1639.525874] ext4_sync_fs+0x46f/0x7e0 [ 1639.529652] ? bdev_try_to_free_page+0x150/0x150 [ 1639.534381] ? iterate_supers+0xda/0x490 [ 1639.538419] ? bdev_try_to_free_page+0x150/0x150 [ 1639.543153] ? vfs_fsync_range+0x260/0x260 [ 1639.547361] sync_fs_one_sb+0xb1/0xe0 [ 1639.551145] iterate_supers+0x124/0x490 [ 1639.555099] sys_sync+0x9a/0x130 [ 1639.558451] ? vfs_fsync+0x210/0x210 [ 1639.562140] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1639.567128] ? vfs_fsync+0x210/0x210 [ 1639.570818] do_syscall_64+0x1d5/0x640 [ 1639.574686] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1639.579851] RIP: 0033:0x7f3c6be997c9 [ 1639.583537] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 executing program [ 1639.591220] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1639.598465] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1639.605710] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1639.612954] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1639.620200] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000039 executing program [ 1639.661350] CPU: 0 PID: 10829 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1639.669324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1639.678665] Call Trace: [ 1639.681249] dump_stack+0x1b2/0x281 [ 1639.684871] should_fail.cold+0x10a/0x149 [ 1639.689012] should_failslab+0xd6/0x130 [ 1639.692983] kmem_cache_alloc+0x28e/0x3c0 [ 1639.697129] start_transaction+0x27c/0xf30 [ 1639.701364] ? vfs_fsync_range+0x260/0x260 [ 1639.705591] btrfs_attach_transaction_barrier+0x22/0x80 [ 1639.710944] btrfs_sync_fs+0xcd/0x430 [ 1639.714737] ? btrfs_freeze+0xb0/0xb0 [ 1639.718529] ? vfs_fsync_range+0x260/0x260 [ 1639.722757] sync_fs_one_sb+0xb1/0xe0 [ 1639.726562] iterate_supers+0x124/0x490 [ 1639.730522] sys_sync+0x9a/0x130 [ 1639.733863] ? vfs_fsync+0x210/0x210 [ 1639.737552] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1639.742540] ? vfs_fsync+0x210/0x210 [ 1639.746225] do_syscall_64+0x1d5/0x640 [ 1639.750093] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1639.755260] RIP: 0033:0x7f3c6be997c9 [ 1639.758944] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1639.766625] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1639.773954] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1639.781197] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1639.788439] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1639.795681] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000001a executing program executing program [ 1639.890008] FAULT_INJECTION: forcing a failure. [ 1639.890008] name failslab, interval 1, probability 0, space 0, times 0 [ 1639.901506] FAULT_INJECTION: forcing a failure. [ 1639.901506] name failslab, interval 1, probability 0, space 0, times 0 [ 1639.904019] FAULT_INJECTION: forcing a failure. [ 1639.904019] name failslab, interval 1, probability 0, space 0, times 0 [ 1639.919393] CPU: 1 PID: 10853 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1639.925668] FAULT_INJECTION: forcing a failure. [ 1639.925668] name failslab, interval 1, probability 0, space 0, times 0 [ 1639.931882] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1639.931886] Call Trace: [ 1639.931900] dump_stack+0x1b2/0x281 [ 1639.931913] should_fail.cold+0x10a/0x149 [ 1639.931923] ? sync_fs_one_sb+0xb1/0xe0 [ 1639.931932] should_failslab+0xd6/0x130 [ 1639.931942] kmem_cache_alloc_node+0x54/0x410 [ 1639.931953] create_task_io_context+0x2a/0x3c0 [ 1639.931962] generic_make_request_checks+0x1350/0x19f0 [ 1639.931973] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1639.931981] ? flush_workqueue+0x129/0x1310 [ 1639.931989] ? flush_workqueue+0x49b/0x1310 [ 1639.931999] generic_make_request+0x67/0x850 [ 1639.932009] ? mempool_alloc+0x10e/0x2d0 [ 1639.932016] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1639.932023] ? blk_queue_exit+0x1d0/0x1d0 [ 1639.932032] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1639.932039] ? kmem_cache_alloc+0x35f/0x3c0 [ 1639.932049] submit_bio+0x234/0x390 [ 1639.932057] ? generic_make_request+0x850/0x850 [ 1639.932065] ? __lockdep_init_map+0x100/0x560 [ 1639.932073] ? __lockdep_init_map+0x100/0x560 [ 1639.932086] submit_bio_wait+0xe8/0x140 [ 1639.932094] ? submit_bio_wait_endio+0xb0/0xb0 [ 1639.932110] blkdev_issue_flush+0x218/0x320 [ 1639.932120] ext4_sync_fs+0x46f/0x7e0 [ 1639.932129] ? bdev_try_to_free_page+0x150/0x150 [ 1639.932135] ? iterate_supers+0xda/0x490 [ 1639.932145] ? bdev_try_to_free_page+0x150/0x150 [ 1639.932152] ? vfs_fsync_range+0x260/0x260 [ 1639.932159] sync_fs_one_sb+0xb1/0xe0 [ 1639.932166] iterate_supers+0x124/0x490 [ 1639.932177] sys_sync+0x9a/0x130 [ 1639.932185] ? vfs_fsync+0x210/0x210 [ 1639.932199] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1640.096617] ? vfs_fsync+0x210/0x210 [ 1640.100311] do_syscall_64+0x1d5/0x640 [ 1640.104613] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1640.109782] RIP: 0033:0x7f3c6be997c9 [ 1640.113473] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1640.121177] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1640.128519] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1640.135765] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1640.143012] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1640.150281] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000001a [ 1640.161912] CPU: 0 PID: 10841 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1640.169887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1640.179234] Call Trace: [ 1640.181817] dump_stack+0x1b2/0x281 [ 1640.185443] should_fail.cold+0x10a/0x149 [ 1640.189585] ? sync_fs_one_sb+0xb1/0xe0 [ 1640.193558] should_failslab+0xd6/0x130 [ 1640.197527] kmem_cache_alloc_node+0x54/0x410 [ 1640.202020] create_task_io_context+0x2a/0x3c0 [ 1640.207028] generic_make_request_checks+0x1350/0x19f0 [ 1640.212300] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1640.216701] ? flush_workqueue+0x129/0x1310 [ 1640.221019] ? flush_workqueue+0x49b/0x1310 [ 1640.225336] generic_make_request+0x67/0x850 [ 1640.229734] ? mempool_alloc+0x10e/0x2d0 [ 1640.233786] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1640.239226] ? blk_queue_exit+0x1d0/0x1d0 [ 1640.243369] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1640.248373] ? kmem_cache_alloc+0x35f/0x3c0 [ 1640.252680] submit_bio+0x234/0x390 [ 1640.256298] ? generic_make_request+0x850/0x850 [ 1640.260957] ? __lockdep_init_map+0x100/0x560 [ 1640.265433] ? __lockdep_init_map+0x100/0x560 [ 1640.269911] submit_bio_wait+0xe8/0x140 [ 1640.273866] ? submit_bio_wait_endio+0xb0/0xb0 [ 1640.278448] blkdev_issue_flush+0x218/0x320 [ 1640.282754] ext4_sync_fs+0x46f/0x7e0 [ 1640.286562] ? bdev_try_to_free_page+0x150/0x150 [ 1640.291296] ? iterate_supers+0xda/0x490 [ 1640.295337] ? bdev_try_to_free_page+0x150/0x150 [ 1640.300070] ? vfs_fsync_range+0x260/0x260 [ 1640.304282] sync_fs_one_sb+0xb1/0xe0 [ 1640.308061] iterate_supers+0x124/0x490 [ 1640.312011] sys_sync+0x9a/0x130 [ 1640.315354] ? vfs_fsync+0x210/0x210 [ 1640.319047] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1640.324038] ? vfs_fsync+0x210/0x210 [ 1640.327740] do_syscall_64+0x1d5/0x640 [ 1640.331611] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1640.336778] RIP: 0033:0x7f3c6be997c9 [ 1640.340463] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1640.348146] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1640.355393] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1640.362637] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1640.369884] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1640.377135] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000001b [ 1640.384395] CPU: 1 PID: 10854 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1640.392351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1640.401677] Call Trace: [ 1640.404245] dump_stack+0x1b2/0x281 [ 1640.407850] should_fail.cold+0x10a/0x149 [ 1640.411977] should_failslab+0xd6/0x130 [ 1640.415925] kmem_cache_alloc+0x28e/0x3c0 [ 1640.420048] start_transaction+0x27c/0xf30 [ 1640.424263] ? vfs_fsync_range+0x260/0x260 [ 1640.428470] btrfs_attach_transaction_barrier+0x22/0x80 [ 1640.433812] btrfs_sync_fs+0xcd/0x430 [ 1640.437592] ? btrfs_freeze+0xb0/0xb0 [ 1640.441366] ? vfs_fsync_range+0x260/0x260 [ 1640.445576] sync_fs_one_sb+0xb1/0xe0 [ 1640.449353] iterate_supers+0x124/0x490 [ 1640.453309] sys_sync+0x9a/0x130 [ 1640.456650] ? vfs_fsync+0x210/0x210 [ 1640.460351] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1640.465343] ? vfs_fsync+0x210/0x210 [ 1640.469033] do_syscall_64+0x1d5/0x640 [ 1640.472901] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1640.478065] RIP: 0033:0x7f3c6be997c9 [ 1640.481752] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 executing program [ 1640.489436] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1640.496681] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1640.503929] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1640.511173] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1640.518421] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000003a executing program [ 1640.549824] CPU: 0 PID: 10843 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1640.557808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1640.567150] Call Trace: [ 1640.569735] dump_stack+0x1b2/0x281 [ 1640.573359] should_fail.cold+0x10a/0x149 [ 1640.577505] should_failslab+0xd6/0x130 [ 1640.581475] kmem_cache_alloc+0x28e/0x3c0 [ 1640.585619] start_transaction+0x27c/0xf30 [ 1640.589853] ? vfs_fsync_range+0x260/0x260 [ 1640.594085] btrfs_attach_transaction_barrier+0x22/0x80 [ 1640.599473] btrfs_sync_fs+0xcd/0x430 [ 1640.603265] ? btrfs_freeze+0xb0/0xb0 [ 1640.607057] ? vfs_fsync_range+0x260/0x260 [ 1640.611288] sync_fs_one_sb+0xb1/0xe0 [ 1640.615076] iterate_supers+0x124/0x490 [ 1640.619049] sys_sync+0x9a/0x130 [ 1640.622406] ? vfs_fsync+0x210/0x210 [ 1640.626114] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1640.631117] ? vfs_fsync+0x210/0x210 [ 1640.634819] do_syscall_64+0x1d5/0x640 [ 1640.638702] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1640.643879] RIP: 0033:0x7f3c6be997c9 executing program [ 1640.647579] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1640.655283] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1640.662540] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1640.669782] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1640.677025] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1640.684268] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000001a [ 1640.769684] FAULT_INJECTION: forcing a failure. [ 1640.769684] name failslab, interval 1, probability 0, space 0, times 0 [ 1640.770433] FAULT_INJECTION: forcing a failure. [ 1640.770433] name failslab, interval 1, probability 0, space 0, times 0 [ 1640.792854] CPU: 0 PID: 10874 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1640.800818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1640.810172] Call Trace: [ 1640.812744] dump_stack+0x1b2/0x281 [ 1640.816353] should_fail.cold+0x10a/0x149 [ 1640.820483] ? sync_fs_one_sb+0xb1/0xe0 [ 1640.824441] should_failslab+0xd6/0x130 [ 1640.828406] kmem_cache_alloc_node+0x54/0x410 [ 1640.832887] create_task_io_context+0x2a/0x3c0 [ 1640.837457] generic_make_request_checks+0x1350/0x19f0 [ 1640.842723] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1640.847123] ? flush_workqueue+0x129/0x1310 [ 1640.851432] ? flush_workqueue+0x49b/0x1310 [ 1640.855747] generic_make_request+0x67/0x850 [ 1640.860138] ? mempool_alloc+0x10e/0x2d0 [ 1640.864196] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1640.869624] ? blk_queue_exit+0x1d0/0x1d0 [ 1640.873755] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1640.878756] ? kmem_cache_alloc+0x35f/0x3c0 [ 1640.883058] submit_bio+0x234/0x390 [ 1640.886664] ? generic_make_request+0x850/0x850 [ 1640.891313] ? __lockdep_init_map+0x100/0x560 [ 1640.895786] ? __lockdep_init_map+0x100/0x560 [ 1640.900267] submit_bio_wait+0xe8/0x140 [ 1640.904487] ? submit_bio_wait_endio+0xb0/0xb0 [ 1640.909055] blkdev_issue_flush+0x218/0x320 [ 1640.913362] ext4_sync_fs+0x46f/0x7e0 [ 1640.917148] ? bdev_try_to_free_page+0x150/0x150 [ 1640.921878] ? iterate_supers+0xda/0x490 [ 1640.925926] ? bdev_try_to_free_page+0x150/0x150 [ 1640.930658] ? vfs_fsync_range+0x260/0x260 [ 1640.934884] sync_fs_one_sb+0xb1/0xe0 [ 1640.938664] iterate_supers+0x124/0x490 [ 1640.942627] sys_sync+0x9a/0x130 [ 1640.945971] ? vfs_fsync+0x210/0x210 [ 1640.950195] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1640.955188] ? vfs_fsync+0x210/0x210 [ 1640.958876] do_syscall_64+0x1d5/0x640 [ 1640.962742] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1640.967912] RIP: 0033:0x7f3c6be997c9 [ 1640.971615] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1640.979311] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1640.986562] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1640.993810] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1641.001066] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1641.008323] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000001b [ 1641.015593] CPU: 1 PID: 10866 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1641.023554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1641.032894] Call Trace: [ 1641.035459] dump_stack+0x1b2/0x281 [ 1641.039063] should_fail.cold+0x10a/0x149 [ 1641.043186] ? sync_fs_one_sb+0xb1/0xe0 [ 1641.047137] should_failslab+0xd6/0x130 [ 1641.051089] kmem_cache_alloc_node+0x54/0x410 [ 1641.055558] create_task_io_context+0x2a/0x3c0 [ 1641.060217] generic_make_request_checks+0x1350/0x19f0 [ 1641.065470] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1641.069853] ? flush_workqueue+0x129/0x1310 [ 1641.074151] ? flush_workqueue+0x49b/0x1310 [ 1641.078446] generic_make_request+0x67/0x850 [ 1641.082830] ? mempool_alloc+0x10e/0x2d0 [ 1641.086866] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1641.092288] ? blk_queue_exit+0x1d0/0x1d0 [ 1641.096410] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1641.101400] ? kmem_cache_alloc+0x35f/0x3c0 [ 1641.105706] submit_bio+0x234/0x390 [ 1641.109311] ? generic_make_request+0x850/0x850 [ 1641.113959] ? __lockdep_init_map+0x100/0x560 [ 1641.118427] ? __lockdep_init_map+0x100/0x560 [ 1641.122896] submit_bio_wait+0xe8/0x140 [ 1641.126843] ? submit_bio_wait_endio+0xb0/0xb0 [ 1641.131402] blkdev_issue_flush+0x218/0x320 [ 1641.135701] ext4_sync_fs+0x46f/0x7e0 [ 1641.139483] ? bdev_try_to_free_page+0x150/0x150 [ 1641.144218] ? iterate_supers+0xda/0x490 [ 1641.148252] ? bdev_try_to_free_page+0x150/0x150 [ 1641.152985] ? vfs_fsync_range+0x260/0x260 [ 1641.157191] sync_fs_one_sb+0xb1/0xe0 [ 1641.160968] iterate_supers+0x124/0x490 [ 1641.164917] sys_sync+0x9a/0x130 [ 1641.168259] ? vfs_fsync+0x210/0x210 [ 1641.171947] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1641.176937] ? vfs_fsync+0x210/0x210 [ 1641.180639] do_syscall_64+0x1d5/0x640 [ 1641.184506] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1641.189681] RIP: 0033:0x7f3c6be997c9 [ 1641.193363] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1641.201154] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1641.208407] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1641.215656] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1641.222900] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1641.230150] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000001a [ 1641.239192] FAULT_INJECTION: forcing a failure. [ 1641.239192] name failslab, interval 1, probability 0, space 0, times 0 [ 1641.251088] CPU: 1 PID: 10869 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1641.259057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1641.268398] Call Trace: [ 1641.270972] dump_stack+0x1b2/0x281 [ 1641.274592] should_fail.cold+0x10a/0x149 [ 1641.278720] should_failslab+0xd6/0x130 [ 1641.282672] kmem_cache_alloc+0x28e/0x3c0 [ 1641.286795] start_transaction+0x27c/0xf30 [ 1641.291027] ? vfs_fsync_range+0x260/0x260 [ 1641.295251] btrfs_attach_transaction_barrier+0x22/0x80 [ 1641.300600] btrfs_sync_fs+0xcd/0x430 [ 1641.304387] ? btrfs_freeze+0xb0/0xb0 [ 1641.308163] ? vfs_fsync_range+0x260/0x260 [ 1641.312381] sync_fs_one_sb+0xb1/0xe0 [ 1641.316164] iterate_supers+0x124/0x490 [ 1641.320134] sys_sync+0x9a/0x130 [ 1641.323484] ? vfs_fsync+0x210/0x210 [ 1641.327266] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1641.332262] ? vfs_fsync+0x210/0x210 [ 1641.335954] do_syscall_64+0x1d5/0x640 [ 1641.339830] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1641.345087] RIP: 0033:0x7f3c6be997c9 [ 1641.348778] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1641.356484] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1641.363736] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1641.370991] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1641.378279] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1641.385533] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000003b executing program executing program executing program executing program [ 1641.463958] BTRFS info (device loop0): disabling disk space caching [ 1641.473895] BTRFS info (device loop0): has skinny extents [ 1641.568574] BTRFS info (device loop0): checking UUID tree [ 1641.575931] BTRFS warning (device loop0): btrfs_uuid_scan_kthread failed -28 [ 1641.601295] FAULT_INJECTION: forcing a failure. [ 1641.601295] name failslab, interval 1, probability 0, space 0, times 0 [ 1641.601697] FAULT_INJECTION: forcing a failure. [ 1641.601697] name failslab, interval 1, probability 0, space 0, times 0 [ 1641.612696] FAULT_INJECTION: forcing a failure. [ 1641.612696] name failslab, interval 1, probability 0, space 0, times 0 [ 1641.623969] CPU: 1 PID: 10893 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1641.635417] FAULT_INJECTION: forcing a failure. [ 1641.635417] name failslab, interval 1, probability 0, space 0, times 0 [ 1641.643023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1641.643026] Call Trace: [ 1641.643040] dump_stack+0x1b2/0x281 [ 1641.643052] should_fail.cold+0x10a/0x149 [ 1641.643063] should_failslab+0xd6/0x130 [ 1641.643073] kmem_cache_alloc+0x28e/0x3c0 [ 1641.643085] start_transaction+0x27c/0xf30 [ 1641.686153] ? vfs_fsync_range+0x260/0x260 [ 1641.690373] btrfs_attach_transaction_barrier+0x22/0x80 [ 1641.695722] btrfs_sync_fs+0xcd/0x430 [ 1641.699505] ? btrfs_freeze+0xb0/0xb0 [ 1641.703311] ? vfs_fsync_range+0x260/0x260 [ 1641.707524] sync_fs_one_sb+0xb1/0xe0 [ 1641.711308] iterate_supers+0x124/0x490 [ 1641.715287] sys_sync+0x9a/0x130 [ 1641.718632] ? vfs_fsync+0x210/0x210 [ 1641.722344] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1641.727352] ? vfs_fsync+0x210/0x210 [ 1641.731050] do_syscall_64+0x1d5/0x640 [ 1641.734930] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1641.740101] RIP: 0033:0x7f3c6be997c9 [ 1641.743794] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1641.751483] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1641.758734] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1641.765983] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1641.773232] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1641.780487] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000003c [ 1641.787748] CPU: 0 PID: 10891 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1641.795713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1641.805047] Call Trace: [ 1641.807640] dump_stack+0x1b2/0x281 [ 1641.811260] should_fail.cold+0x10a/0x149 [ 1641.815405] ? sync_fs_one_sb+0xb1/0xe0 [ 1641.819395] should_failslab+0xd6/0x130 [ 1641.823352] kmem_cache_alloc_node+0x54/0x410 [ 1641.827831] create_task_io_context+0x2a/0x3c0 [ 1641.832396] generic_make_request_checks+0x1350/0x19f0 [ 1641.837654] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1641.842040] ? flush_workqueue+0x129/0x1310 [ 1641.846371] ? flush_workqueue+0x49b/0x1310 [ 1641.850676] generic_make_request+0x67/0x850 [ 1641.855086] ? mempool_alloc+0x10e/0x2d0 [ 1641.859135] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1641.864561] ? blk_queue_exit+0x1d0/0x1d0 [ 1641.868689] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1641.873689] ? kmem_cache_alloc+0x35f/0x3c0 [ 1641.877991] submit_bio+0x234/0x390 [ 1641.881596] ? generic_make_request+0x850/0x850 [ 1641.886243] ? __lockdep_init_map+0x100/0x560 [ 1641.890719] ? __lockdep_init_map+0x100/0x560 [ 1641.895212] submit_bio_wait+0xe8/0x140 [ 1641.899169] ? submit_bio_wait_endio+0xb0/0xb0 [ 1641.903739] blkdev_issue_flush+0x218/0x320 [ 1641.908043] ext4_sync_fs+0x46f/0x7e0 [ 1641.911823] ? bdev_try_to_free_page+0x150/0x150 [ 1641.916555] ? iterate_supers+0xda/0x490 [ 1641.920595] ? bdev_try_to_free_page+0x150/0x150 [ 1641.925329] ? vfs_fsync_range+0x260/0x260 [ 1641.929553] sync_fs_one_sb+0xb1/0xe0 [ 1641.933367] iterate_supers+0x124/0x490 [ 1641.937323] sys_sync+0x9a/0x130 [ 1641.940667] ? vfs_fsync+0x210/0x210 [ 1641.944367] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1641.949380] ? vfs_fsync+0x210/0x210 [ 1641.953077] do_syscall_64+0x1d5/0x640 [ 1641.956970] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1641.962161] RIP: 0033:0x7f3c6be997c9 executing program [ 1641.965855] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1641.973556] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1641.980343] FAULT_INJECTION: forcing a failure. [ 1641.980343] name failslab, interval 1, probability 0, space 0, times 0 [ 1641.980811] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1641.980819] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1642.006826] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1642.014087] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000001b [ 1642.021352] CPU: 1 PID: 10928 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1642.029319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1642.038664] Call Trace: [ 1642.041237] dump_stack+0x1b2/0x281 [ 1642.044851] should_fail.cold+0x10a/0x149 [ 1642.048980] ? sync_fs_one_sb+0xb1/0xe0 [ 1642.052946] should_failslab+0xd6/0x130 [ 1642.056905] kmem_cache_alloc_node+0x54/0x410 [ 1642.061384] create_task_io_context+0x2a/0x3c0 [ 1642.065951] generic_make_request_checks+0x1350/0x19f0 [ 1642.071217] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1642.075605] ? flush_workqueue+0x129/0x1310 [ 1642.079905] ? flush_workqueue+0x49b/0x1310 [ 1642.084210] generic_make_request+0x67/0x850 [ 1642.088609] ? mempool_alloc+0x10e/0x2d0 [ 1642.092656] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1642.098113] ? blk_queue_exit+0x1d0/0x1d0 [ 1642.102245] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1642.107245] ? kmem_cache_alloc+0x35f/0x3c0 [ 1642.111552] submit_bio+0x234/0x390 [ 1642.115162] ? generic_make_request+0x850/0x850 [ 1642.119811] ? __lockdep_init_map+0x100/0x560 [ 1642.124285] ? __lockdep_init_map+0x100/0x560 [ 1642.128762] submit_bio_wait+0xe8/0x140 [ 1642.132718] ? submit_bio_wait_endio+0xb0/0xb0 [ 1642.137290] blkdev_issue_flush+0x218/0x320 [ 1642.141597] ext4_sync_fs+0x46f/0x7e0 [ 1642.145377] ? bdev_try_to_free_page+0x150/0x150 [ 1642.150121] ? iterate_supers+0xda/0x490 [ 1642.154175] ? bdev_try_to_free_page+0x150/0x150 [ 1642.158920] ? vfs_fsync_range+0x260/0x260 [ 1642.163146] sync_fs_one_sb+0xb1/0xe0 [ 1642.166942] iterate_supers+0x124/0x490 [ 1642.170914] sys_sync+0x9a/0x130 [ 1642.174275] ? vfs_fsync+0x210/0x210 [ 1642.177981] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1642.182988] ? vfs_fsync+0x210/0x210 [ 1642.186693] do_syscall_64+0x1d5/0x640 [ 1642.190575] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1642.195750] RIP: 0033:0x7f3c6be997c9 [ 1642.199441] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1642.207388] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1642.214636] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1642.221893] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1642.229176] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1642.236432] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000003d [ 1642.243817] CPU: 0 PID: 10890 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1642.251780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1642.261115] Call Trace: [ 1642.263701] dump_stack+0x1b2/0x281 [ 1642.267309] should_fail.cold+0x10a/0x149 [ 1642.271525] ? sync_fs_one_sb+0xb1/0xe0 [ 1642.275479] should_failslab+0xd6/0x130 [ 1642.279433] kmem_cache_alloc_node+0x54/0x410 [ 1642.283908] create_task_io_context+0x2a/0x3c0 [ 1642.288496] generic_make_request_checks+0x1350/0x19f0 [ 1642.293754] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1642.298160] ? flush_workqueue+0x129/0x1310 [ 1642.302485] ? flush_workqueue+0x49b/0x1310 [ 1642.306785] generic_make_request+0x67/0x850 [ 1642.311174] ? mempool_alloc+0x10e/0x2d0 [ 1642.315211] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1642.320638] ? blk_queue_exit+0x1d0/0x1d0 [ 1642.324764] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1642.329757] ? kmem_cache_alloc+0x35f/0x3c0 [ 1642.334064] submit_bio+0x234/0x390 [ 1642.337668] ? generic_make_request+0x850/0x850 [ 1642.342327] ? __lockdep_init_map+0x100/0x560 [ 1642.346800] ? __lockdep_init_map+0x100/0x560 [ 1642.351278] submit_bio_wait+0xe8/0x140 [ 1642.355233] ? submit_bio_wait_endio+0xb0/0xb0 [ 1642.359889] blkdev_issue_flush+0x218/0x320 [ 1642.364207] ext4_sync_fs+0x46f/0x7e0 [ 1642.367987] ? bdev_try_to_free_page+0x150/0x150 [ 1642.372718] ? iterate_supers+0xda/0x490 [ 1642.376770] ? bdev_try_to_free_page+0x150/0x150 [ 1642.381505] ? vfs_fsync_range+0x260/0x260 [ 1642.385716] sync_fs_one_sb+0xb1/0xe0 [ 1642.389494] iterate_supers+0x124/0x490 [ 1642.393447] sys_sync+0x9a/0x130 [ 1642.396790] ? vfs_fsync+0x210/0x210 [ 1642.400494] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1642.405486] ? vfs_fsync+0x210/0x210 [ 1642.409179] do_syscall_64+0x1d5/0x640 [ 1642.413067] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1642.418234] RIP: 0033:0x7f3c6be997c9 [ 1642.421934] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1642.429619] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1642.436866] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1642.444115] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1642.451369] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1642.458617] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000001b [ 1642.466509] CPU: 1 PID: 10899 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1642.474482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1642.483825] Call Trace: [ 1642.486408] dump_stack+0x1b2/0x281 [ 1642.490033] should_fail.cold+0x10a/0x149 [ 1642.494196] ? sync_fs_one_sb+0xb1/0xe0 [ 1642.498167] should_failslab+0xd6/0x130 [ 1642.502138] kmem_cache_alloc_node+0x54/0x410 [ 1642.506628] create_task_io_context+0x2a/0x3c0 [ 1642.511206] generic_make_request_checks+0x1350/0x19f0 [ 1642.516481] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1642.520871] ? flush_workqueue+0x129/0x1310 [ 1642.525177] ? flush_workqueue+0x49b/0x1310 [ 1642.529487] generic_make_request+0x67/0x850 [ 1642.533879] ? mempool_alloc+0x10e/0x2d0 [ 1642.537920] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1642.543356] ? blk_queue_exit+0x1d0/0x1d0 [ 1642.547490] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1642.552482] ? kmem_cache_alloc+0x35f/0x3c0 [ 1642.556780] submit_bio+0x234/0x390 [ 1642.560391] ? generic_make_request+0x850/0x850 [ 1642.565044] ? __lockdep_init_map+0x100/0x560 [ 1642.569526] ? __lockdep_init_map+0x100/0x560 [ 1642.574011] submit_bio_wait+0xe8/0x140 [ 1642.577965] ? submit_bio_wait_endio+0xb0/0xb0 [ 1642.582533] blkdev_issue_flush+0x218/0x320 [ 1642.586852] ext4_sync_fs+0x46f/0x7e0 [ 1642.590637] ? bdev_try_to_free_page+0x150/0x150 [ 1642.595380] ? iterate_supers+0xda/0x490 [ 1642.599428] ? bdev_try_to_free_page+0x150/0x150 [ 1642.604167] ? vfs_fsync_range+0x260/0x260 [ 1642.608394] sync_fs_one_sb+0xb1/0xe0 [ 1642.612173] iterate_supers+0x124/0x490 [ 1642.616124] sys_sync+0x9a/0x130 [ 1642.619472] ? vfs_fsync+0x210/0x210 [ 1642.623170] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1642.628178] ? vfs_fsync+0x210/0x210 [ 1642.631879] do_syscall_64+0x1d5/0x640 [ 1642.635755] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1642.640927] RIP: 0033:0x7f3c6be997c9 [ 1642.644619] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1642.652308] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1642.659566] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 executing program [ 1642.666819] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1642.674064] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1642.681325] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000001c executing program executing program [ 1642.771353] FAULT_INJECTION: forcing a failure. [ 1642.771353] name failslab, interval 1, probability 0, space 0, times 0 [ 1642.786324] BTRFS info (device loop2): disabling disk space caching [ 1642.797632] CPU: 1 PID: 10934 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1642.805607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1642.811114] BTRFS info (device loop2): has skinny extents [ 1642.814946] Call Trace: [ 1642.814960] dump_stack+0x1b2/0x281 [ 1642.814973] should_fail.cold+0x10a/0x149 [ 1642.814982] ? lock_downgrade+0x740/0x740 [ 1642.814993] ? mempool_free+0x1d0/0x1d0 [ 1642.838908] should_failslab+0xd6/0x130 [ 1642.842877] kmem_cache_alloc+0x40/0x3c0 [ 1642.846937] ? mempool_free+0x1d0/0x1d0 [ 1642.850908] mempool_alloc+0x10e/0x2d0 [ 1642.854794] ? remove_element.isra.0+0x1b0/0x1b0 [ 1642.859544] ? flush_workqueue+0x40e/0x1310 [ 1642.863859] ? check_preemption_disabled+0x35/0x240 [ 1642.868875] bio_alloc_bioset+0x41b/0x830 [ 1642.873019] ? bvec_alloc+0x2d0/0x2d0 [ 1642.876819] blkdev_issue_flush+0xeb/0x320 [ 1642.881058] ext4_sync_fs+0x46f/0x7e0 [ 1642.884855] ? bdev_try_to_free_page+0x150/0x150 [ 1642.889597] ? iterate_supers+0xda/0x490 [ 1642.893654] ? bdev_try_to_free_page+0x150/0x150 [ 1642.898396] ? vfs_fsync_range+0x260/0x260 [ 1642.902956] sync_fs_one_sb+0xb1/0xe0 [ 1642.906736] iterate_supers+0x124/0x490 [ 1642.910714] sys_sync+0x9a/0x130 [ 1642.914078] ? vfs_fsync+0x210/0x210 [ 1642.917789] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1642.922786] ? vfs_fsync+0x210/0x210 [ 1642.926489] do_syscall_64+0x1d5/0x640 [ 1642.930359] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1642.935527] RIP: 0033:0x7f3c6be997c9 [ 1642.939217] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1642.946909] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1642.954152] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1642.961401] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1642.968661] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1642.975914] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000001c [ 1643.018947] BTRFS info (device loop2): checking UUID tree [ 1643.080653] FAULT_INJECTION: forcing a failure. [ 1643.080653] name failslab, interval 1, probability 0, space 0, times 0 [ 1643.092177] CPU: 0 PID: 10937 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1643.100179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1643.109531] Call Trace: [ 1643.112116] dump_stack+0x1b2/0x281 [ 1643.115740] should_fail.cold+0x10a/0x149 [ 1643.119873] ? sync_fs_one_sb+0xb1/0xe0 [ 1643.123833] should_failslab+0xd6/0x130 [ 1643.127794] kmem_cache_alloc_node+0x54/0x410 [ 1643.132268] create_task_io_context+0x2a/0x3c0 [ 1643.136828] generic_make_request_checks+0x1350/0x19f0 [ 1643.142094] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1643.146488] ? flush_workqueue+0x129/0x1310 [ 1643.150788] ? flush_workqueue+0x49b/0x1310 [ 1643.155104] generic_make_request+0x67/0x850 [ 1643.159498] ? mempool_alloc+0x10e/0x2d0 [ 1643.163544] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1643.168979] ? blk_queue_exit+0x1d0/0x1d0 [ 1643.173113] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1643.178106] ? kmem_cache_alloc+0x35f/0x3c0 [ 1643.182474] submit_bio+0x234/0x390 [ 1643.186081] ? generic_make_request+0x850/0x850 [ 1643.190729] ? __lockdep_init_map+0x100/0x560 [ 1643.195202] ? __lockdep_init_map+0x100/0x560 [ 1643.199681] submit_bio_wait+0xe8/0x140 [ 1643.203980] ? submit_bio_wait_endio+0xb0/0xb0 [ 1643.208560] blkdev_issue_flush+0x218/0x320 [ 1643.212863] ext4_sync_fs+0x46f/0x7e0 [ 1643.216658] ? bdev_try_to_free_page+0x150/0x150 [ 1643.221389] ? iterate_supers+0xda/0x490 [ 1643.225426] ? bdev_try_to_free_page+0x150/0x150 [ 1643.230160] ? vfs_fsync_range+0x260/0x260 [ 1643.234370] sync_fs_one_sb+0xb1/0xe0 [ 1643.238146] iterate_supers+0x124/0x490 [ 1643.242096] sys_sync+0x9a/0x130 [ 1643.245436] ? vfs_fsync+0x210/0x210 [ 1643.249135] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1643.254137] ? vfs_fsync+0x210/0x210 [ 1643.257837] do_syscall_64+0x1d5/0x640 [ 1643.261710] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1643.266880] RIP: 0033:0x7f3c6be997c9 [ 1643.270568] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1643.278257] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1643.285520] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1643.292866] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1643.300113] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1643.307619] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000003e [ 1643.321861] FAULT_INJECTION: forcing a failure. [ 1643.321861] name failslab, interval 1, probability 0, space 0, times 0 [ 1643.334001] CPU: 0 PID: 10949 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1643.341997] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1643.351342] Call Trace: [ 1643.353924] dump_stack+0x1b2/0x281 [ 1643.357555] should_fail.cold+0x10a/0x149 [ 1643.361708] ? sync_fs_one_sb+0xb1/0xe0 [ 1643.365677] should_failslab+0xd6/0x130 [ 1643.369649] kmem_cache_alloc_node+0x54/0x410 [ 1643.374141] create_task_io_context+0x2a/0x3c0 [ 1643.378715] generic_make_request_checks+0x1350/0x19f0 [ 1643.383979] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1643.388367] ? flush_workqueue+0x129/0x1310 [ 1643.392666] ? flush_workqueue+0x49b/0x1310 [ 1643.396970] generic_make_request+0x67/0x850 [ 1643.401357] ? mempool_alloc+0x10e/0x2d0 [ 1643.405406] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1643.410831] ? blk_queue_exit+0x1d0/0x1d0 [ 1643.414978] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1643.419974] ? kmem_cache_alloc+0x35f/0x3c0 [ 1643.424277] submit_bio+0x234/0x390 [ 1643.427881] ? generic_make_request+0x850/0x850 [ 1643.432527] ? __lockdep_init_map+0x100/0x560 [ 1643.437004] ? __lockdep_init_map+0x100/0x560 [ 1643.441480] submit_bio_wait+0xe8/0x140 [ 1643.445431] ? submit_bio_wait_endio+0xb0/0xb0 [ 1643.450000] blkdev_issue_flush+0x218/0x320 [ 1643.454307] ext4_sync_fs+0x46f/0x7e0 [ 1643.458086] ? bdev_try_to_free_page+0x150/0x150 [ 1643.462820] ? iterate_supers+0xda/0x490 [ 1643.466858] ? bdev_try_to_free_page+0x150/0x150 [ 1643.471593] ? vfs_fsync_range+0x260/0x260 [ 1643.475802] sync_fs_one_sb+0xb1/0xe0 [ 1643.479579] iterate_supers+0x124/0x490 [ 1643.483530] sys_sync+0x9a/0x130 [ 1643.486871] ? vfs_fsync+0x210/0x210 [ 1643.490564] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1643.495558] ? vfs_fsync+0x210/0x210 [ 1643.499249] do_syscall_64+0x1d5/0x640 [ 1643.503118] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1643.508284] RIP: 0033:0x7f3c6be997c9 [ 1643.511968] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1643.519651] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 executing program executing program [ 1643.526899] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1643.534144] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1643.541387] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1643.548631] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000001b executing program [ 1643.621973] FAULT_INJECTION: forcing a failure. [ 1643.621973] name failslab, interval 1, probability 0, space 0, times 0 [ 1643.633460] CPU: 0 PID: 10983 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1643.641506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1643.650958] Call Trace: [ 1643.653536] dump_stack+0x1b2/0x281 [ 1643.657160] should_fail.cold+0x10a/0x149 [ 1643.661308] should_failslab+0xd6/0x130 [ 1643.665280] kmem_cache_alloc_trace+0x47/0x3d0 [ 1643.669861] bdi_split_work_to_wbs+0x288/0xcf0 [ 1643.674440] ? wb_queue_work+0x480/0x480 [ 1643.678497] ? lock_acquire+0x170/0x3f0 [ 1643.682466] ? sync_inodes_sb+0x156/0x880 [ 1643.686611] sync_inodes_sb+0x168/0x880 [ 1643.690583] ? try_to_writeback_inodes_sb_nr+0x70/0x70 [ 1643.695864] ? call_rwsem_down_read_failed+0x14/0x30 [ 1643.700979] ? SyS_tee+0x9e0/0x9e0 [ 1643.704512] sync_inodes_one_sb+0x3d/0x50 [ 1643.708651] iterate_supers+0x124/0x490 [ 1643.712621] sys_sync+0x78/0x130 [ 1643.715988] ? vfs_fsync+0x210/0x210 [ 1643.719713] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1643.724702] ? vfs_fsync+0x210/0x210 [ 1643.728403] do_syscall_64+0x1d5/0x640 [ 1643.732270] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1643.737433] RIP: 0033:0x7f3c6be997c9 [ 1643.741118] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1643.748814] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1643.756058] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1643.763299] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 executing program [ 1643.770542] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1643.777782] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000001c [ 1643.851208] FAULT_INJECTION: forcing a failure. [ 1643.851208] name failslab, interval 1, probability 0, space 0, times 0 [ 1643.851548] FAULT_INJECTION: forcing a failure. [ 1643.851548] name failslab, interval 1, probability 0, space 0, times 0 [ 1643.862517] FAULT_INJECTION: forcing a failure. [ 1643.862517] name failslab, interval 1, probability 0, space 0, times 0 [ 1643.874036] CPU: 0 PID: 11001 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1643.892800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1643.902135] Call Trace: [ 1643.904704] dump_stack+0x1b2/0x281 [ 1643.908313] should_fail.cold+0x10a/0x149 [ 1643.912437] ? sync_fs_one_sb+0xb1/0xe0 [ 1643.916388] should_failslab+0xd6/0x130 [ 1643.920340] kmem_cache_alloc_node+0x54/0x410 [ 1643.924814] create_task_io_context+0x2a/0x3c0 [ 1643.929376] generic_make_request_checks+0x1350/0x19f0 [ 1643.934633] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1643.939019] ? flush_workqueue+0x129/0x1310 [ 1643.943318] ? flush_workqueue+0x49b/0x1310 [ 1643.947625] generic_make_request+0x67/0x850 [ 1643.952017] ? mempool_alloc+0x10e/0x2d0 [ 1643.956055] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1643.961479] ? blk_queue_exit+0x1d0/0x1d0 [ 1643.965606] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1643.970612] ? kmem_cache_alloc+0x35f/0x3c0 [ 1643.974920] submit_bio+0x234/0x390 [ 1643.978528] ? generic_make_request+0x850/0x850 [ 1643.983175] ? __lockdep_init_map+0x100/0x560 [ 1643.987646] ? __lockdep_init_map+0x100/0x560 [ 1643.992121] submit_bio_wait+0xe8/0x140 [ 1643.996073] ? submit_bio_wait_endio+0xb0/0xb0 [ 1644.000640] blkdev_issue_flush+0x218/0x320 [ 1644.004943] ext4_sync_fs+0x46f/0x7e0 [ 1644.008726] ? bdev_try_to_free_page+0x150/0x150 [ 1644.013464] ? iterate_supers+0xda/0x490 [ 1644.017764] ? bdev_try_to_free_page+0x150/0x150 [ 1644.022500] ? vfs_fsync_range+0x260/0x260 [ 1644.026712] sync_fs_one_sb+0xb1/0xe0 [ 1644.030489] iterate_supers+0x124/0x490 [ 1644.034443] sys_sync+0x9a/0x130 [ 1644.037793] ? vfs_fsync+0x210/0x210 [ 1644.041491] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1644.046489] ? vfs_fsync+0x210/0x210 [ 1644.050185] do_syscall_64+0x1d5/0x640 [ 1644.054057] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1644.059235] RIP: 0033:0x7f3c6be997c9 [ 1644.062921] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1644.070606] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1644.077850] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1644.085098] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1644.092348] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1644.099597] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000001d [ 1644.106856] CPU: 1 PID: 10986 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1644.114814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1644.124143] Call Trace: [ 1644.126713] dump_stack+0x1b2/0x281 [ 1644.130321] should_fail.cold+0x10a/0x149 [ 1644.134446] ? sync_fs_one_sb+0xb1/0xe0 [ 1644.138404] should_failslab+0xd6/0x130 [ 1644.142363] kmem_cache_alloc_node+0x54/0x410 [ 1644.146839] create_task_io_context+0x2a/0x3c0 [ 1644.151402] generic_make_request_checks+0x1350/0x19f0 [ 1644.156655] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1644.161042] ? lock_downgrade+0x740/0x740 [ 1644.165177] ? flush_workqueue+0x49b/0x1310 [ 1644.169477] generic_make_request+0x67/0x850 [ 1644.173865] ? mempool_alloc+0x10e/0x2d0 [ 1644.177904] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1644.183330] ? blk_queue_exit+0x1d0/0x1d0 [ 1644.187458] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1644.192449] ? kmem_cache_alloc+0x35f/0x3c0 [ 1644.196746] submit_bio+0x234/0x390 [ 1644.200355] ? generic_make_request+0x850/0x850 [ 1644.204998] ? __lockdep_init_map+0x100/0x560 [ 1644.209477] ? __lockdep_init_map+0x100/0x560 [ 1644.213956] submit_bio_wait+0xe8/0x140 [ 1644.217910] ? submit_bio_wait_endio+0xb0/0xb0 [ 1644.222474] blkdev_issue_flush+0x218/0x320 [ 1644.226774] ext4_sync_fs+0x46f/0x7e0 [ 1644.230569] ? bdev_try_to_free_page+0x150/0x150 [ 1644.235298] ? iterate_supers+0xda/0x490 [ 1644.239336] ? bdev_try_to_free_page+0x150/0x150 [ 1644.244077] ? vfs_fsync_range+0x260/0x260 [ 1644.248296] sync_fs_one_sb+0xb1/0xe0 [ 1644.252079] iterate_supers+0x124/0x490 [ 1644.256039] sys_sync+0x9a/0x130 [ 1644.259385] ? vfs_fsync+0x210/0x210 [ 1644.263078] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1644.268068] ? vfs_fsync+0x210/0x210 [ 1644.271773] do_syscall_64+0x1d5/0x640 [ 1644.275653] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1644.280818] RIP: 0033:0x7f3c6be997c9 [ 1644.284507] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1644.292190] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 executing program [ 1644.299436] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1644.306680] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1644.313931] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1644.321188] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000001d [ 1644.350087] CPU: 0 PID: 10988 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1644.358060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1644.367400] Call Trace: [ 1644.369982] dump_stack+0x1b2/0x281 [ 1644.373605] should_fail.cold+0x10a/0x149 [ 1644.377758] ? sync_fs_one_sb+0xb1/0xe0 [ 1644.381731] should_failslab+0xd6/0x130 [ 1644.385699] kmem_cache_alloc_node+0x54/0x410 [ 1644.390189] create_task_io_context+0x2a/0x3c0 [ 1644.394763] generic_make_request_checks+0x1350/0x19f0 [ 1644.400035] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1644.404440] ? flush_workqueue+0x129/0x1310 [ 1644.408755] ? flush_workqueue+0x49b/0x1310 [ 1644.413070] generic_make_request+0x67/0x850 [ 1644.417471] ? mempool_alloc+0x10e/0x2d0 [ 1644.421525] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1644.426966] ? blk_queue_exit+0x1d0/0x1d0 [ 1644.431104] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1644.436099] ? kmem_cache_alloc+0x35f/0x3c0 [ 1644.440402] submit_bio+0x234/0x390 [ 1644.444007] ? generic_make_request+0x850/0x850 [ 1644.448655] ? __lockdep_init_map+0x100/0x560 [ 1644.453129] ? __lockdep_init_map+0x100/0x560 [ 1644.457605] submit_bio_wait+0xe8/0x140 [ 1644.461556] ? submit_bio_wait_endio+0xb0/0xb0 [ 1644.466123] blkdev_issue_flush+0x218/0x320 [ 1644.470425] ext4_sync_fs+0x46f/0x7e0 [ 1644.474202] ? bdev_try_to_free_page+0x150/0x150 [ 1644.478935] ? iterate_supers+0xda/0x490 [ 1644.482973] ? bdev_try_to_free_page+0x150/0x150 [ 1644.487707] ? vfs_fsync_range+0x260/0x260 [ 1644.491930] sync_fs_one_sb+0xb1/0xe0 [ 1644.495717] iterate_supers+0x124/0x490 [ 1644.499669] sys_sync+0x9a/0x130 [ 1644.503012] ? vfs_fsync+0x210/0x210 [ 1644.506704] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1644.511693] ? vfs_fsync+0x210/0x210 [ 1644.515381] do_syscall_64+0x1d5/0x640 [ 1644.519258] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1644.524432] RIP: 0033:0x7f3c6be997c9 [ 1644.528129] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1644.535823] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1644.543069] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 executing program [ 1644.550314] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1644.557561] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1644.564808] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000001c executing program [ 1644.641591] FAULT_INJECTION: forcing a failure. [ 1644.641591] name failslab, interval 1, probability 0, space 0, times 0 [ 1644.642687] FAULT_INJECTION: forcing a failure. [ 1644.642687] name failslab, interval 1, probability 0, space 0, times 0 [ 1644.653018] FAULT_INJECTION: forcing a failure. [ 1644.653018] name failslab, interval 1, probability 0, space 0, times 0 [ 1644.681866] CPU: 0 PID: 11002 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1644.689828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1644.699157] Call Trace: [ 1644.701726] dump_stack+0x1b2/0x281 [ 1644.705332] should_fail.cold+0x10a/0x149 [ 1644.709461] ? sync_fs_one_sb+0xb1/0xe0 [ 1644.713412] should_failslab+0xd6/0x130 [ 1644.717367] kmem_cache_alloc_node+0x54/0x410 [ 1644.721847] create_task_io_context+0x2a/0x3c0 [ 1644.726414] generic_make_request_checks+0x1350/0x19f0 [ 1644.731689] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1644.736084] ? flush_workqueue+0x129/0x1310 [ 1644.740386] ? flush_workqueue+0x49b/0x1310 [ 1644.744684] generic_make_request+0x67/0x850 [ 1644.749070] ? mempool_alloc+0x10e/0x2d0 [ 1644.753110] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1644.758534] ? blk_queue_exit+0x1d0/0x1d0 [ 1644.762659] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1644.767653] ? kmem_cache_alloc+0x35f/0x3c0 [ 1644.771957] submit_bio+0x234/0x390 [ 1644.775568] ? generic_make_request+0x850/0x850 [ 1644.780220] ? __lockdep_init_map+0x100/0x560 [ 1644.784690] ? __lockdep_init_map+0x100/0x560 [ 1644.789166] submit_bio_wait+0xe8/0x140 [ 1644.793120] ? submit_bio_wait_endio+0xb0/0xb0 [ 1644.797708] blkdev_issue_flush+0x218/0x320 [ 1644.802538] ext4_sync_fs+0x46f/0x7e0 [ 1644.806403] ? bdev_try_to_free_page+0x150/0x150 [ 1644.811132] ? iterate_supers+0xda/0x490 [ 1644.815170] ? bdev_try_to_free_page+0x150/0x150 [ 1644.819901] ? vfs_fsync_range+0x260/0x260 [ 1644.824124] sync_fs_one_sb+0xb1/0xe0 [ 1644.827942] iterate_supers+0x124/0x490 [ 1644.831907] sys_sync+0x9a/0x130 [ 1644.835264] ? vfs_fsync+0x210/0x210 [ 1644.838978] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1644.843986] ? vfs_fsync+0x210/0x210 [ 1644.847686] do_syscall_64+0x1d5/0x640 [ 1644.851562] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1644.856739] RIP: 0033:0x7f3c6be997c9 [ 1644.860438] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1644.868129] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1644.875379] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1644.882633] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1644.889918] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1644.897171] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000001d [ 1644.904436] CPU: 1 PID: 11017 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1644.912396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1644.921738] Call Trace: [ 1644.924320] dump_stack+0x1b2/0x281 [ 1644.927946] should_fail.cold+0x10a/0x149 [ 1644.932095] ? sync_fs_one_sb+0xb1/0xe0 [ 1644.936071] should_failslab+0xd6/0x130 [ 1644.940046] kmem_cache_alloc_node+0x54/0x410 [ 1644.944540] create_task_io_context+0x2a/0x3c0 [ 1644.949118] generic_make_request_checks+0x1350/0x19f0 [ 1644.954387] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1644.958783] ? flush_workqueue+0x129/0x1310 [ 1644.963111] ? flush_workqueue+0x49b/0x1310 [ 1644.967425] generic_make_request+0x67/0x850 [ 1644.971835] ? mempool_alloc+0x10e/0x2d0 [ 1644.975884] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1644.981335] ? blk_queue_exit+0x1d0/0x1d0 [ 1644.985482] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1644.990487] ? kmem_cache_alloc+0x35f/0x3c0 [ 1644.994882] submit_bio+0x234/0x390 [ 1644.998493] ? generic_make_request+0x850/0x850 [ 1645.003150] ? __lockdep_init_map+0x100/0x560 [ 1645.007629] ? __lockdep_init_map+0x100/0x560 [ 1645.012109] submit_bio_wait+0xe8/0x140 [ 1645.016068] ? submit_bio_wait_endio+0xb0/0xb0 [ 1645.020645] blkdev_issue_flush+0x218/0x320 [ 1645.024957] ext4_sync_fs+0x46f/0x7e0 [ 1645.028738] ? bdev_try_to_free_page+0x150/0x150 [ 1645.033485] ? iterate_supers+0xda/0x490 [ 1645.037544] ? bdev_try_to_free_page+0x150/0x150 [ 1645.042303] ? vfs_fsync_range+0x260/0x260 [ 1645.046531] sync_fs_one_sb+0xb1/0xe0 [ 1645.050320] iterate_supers+0x124/0x490 [ 1645.054282] sys_sync+0x9a/0x130 [ 1645.057632] ? vfs_fsync+0x210/0x210 [ 1645.061336] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1645.066339] ? vfs_fsync+0x210/0x210 [ 1645.070039] do_syscall_64+0x1d5/0x640 [ 1645.073923] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1645.079097] RIP: 0033:0x7f3c6be997c9 [ 1645.082799] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1645.090489] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1645.097740] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1645.105186] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1645.112443] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1645.119742] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000001c [ 1645.127014] CPU: 0 PID: 11012 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1645.135071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1645.144414] Call Trace: [ 1645.147002] dump_stack+0x1b2/0x281 [ 1645.150630] should_fail.cold+0x10a/0x149 [ 1645.154782] ? sync_fs_one_sb+0xb1/0xe0 [ 1645.158756] should_failslab+0xd6/0x130 [ 1645.162731] kmem_cache_alloc_node+0x54/0x410 [ 1645.167213] create_task_io_context+0x2a/0x3c0 [ 1645.171781] generic_make_request_checks+0x1350/0x19f0 [ 1645.177072] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1645.181468] ? flush_workqueue+0x129/0x1310 [ 1645.185775] ? flush_workqueue+0x49b/0x1310 [ 1645.190083] generic_make_request+0x67/0x850 [ 1645.194563] ? mempool_alloc+0x10e/0x2d0 [ 1645.198605] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1645.204378] ? blk_queue_exit+0x1d0/0x1d0 [ 1645.208505] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1645.213533] ? kmem_cache_alloc+0x35f/0x3c0 [ 1645.217841] submit_bio+0x234/0x390 [ 1645.221445] ? generic_make_request+0x850/0x850 [ 1645.226092] ? __lockdep_init_map+0x100/0x560 [ 1645.230566] ? __lockdep_init_map+0x100/0x560 [ 1645.235046] submit_bio_wait+0xe8/0x140 [ 1645.239002] ? submit_bio_wait_endio+0xb0/0xb0 [ 1645.243595] blkdev_issue_flush+0x218/0x320 [ 1645.247917] ext4_sync_fs+0x46f/0x7e0 [ 1645.251700] ? bdev_try_to_free_page+0x150/0x150 [ 1645.256434] ? iterate_supers+0xda/0x490 [ 1645.260473] ? bdev_try_to_free_page+0x150/0x150 [ 1645.265206] ? vfs_fsync_range+0x260/0x260 [ 1645.269421] sync_fs_one_sb+0xb1/0xe0 [ 1645.273199] iterate_supers+0x124/0x490 [ 1645.277152] sys_sync+0x9a/0x130 [ 1645.280508] ? vfs_fsync+0x210/0x210 [ 1645.284209] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1645.289229] ? vfs_fsync+0x210/0x210 [ 1645.292934] do_syscall_64+0x1d5/0x640 [ 1645.296815] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1645.302385] RIP: 0033:0x7f3c6be997c9 [ 1645.306074] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1645.313761] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1645.321022] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1645.328283] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1645.335532] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 executing program [ 1645.342789] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000003f executing program [ 1645.400707] FAULT_INJECTION: forcing a failure. [ 1645.400707] name failslab, interval 1, probability 0, space 0, times 0 [ 1645.428045] CPU: 0 PID: 11027 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1645.436024] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1645.445377] Call Trace: [ 1645.447969] dump_stack+0x1b2/0x281 [ 1645.451602] should_fail.cold+0x10a/0x149 [ 1645.455748] ? sync_fs_one_sb+0xb1/0xe0 [ 1645.459724] should_failslab+0xd6/0x130 [ 1645.463699] kmem_cache_alloc_node+0x54/0x410 [ 1645.468190] create_task_io_context+0x2a/0x3c0 [ 1645.472774] generic_make_request_checks+0x1350/0x19f0 [ 1645.478052] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1645.482461] ? flush_workqueue+0x129/0x1310 [ 1645.486781] ? flush_workqueue+0x49b/0x1310 [ 1645.491095] generic_make_request+0x67/0x850 [ 1645.495483] ? mempool_alloc+0x10e/0x2d0 [ 1645.499524] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1645.504949] ? blk_queue_exit+0x1d0/0x1d0 [ 1645.509079] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1645.514072] ? kmem_cache_alloc+0x35f/0x3c0 [ 1645.518370] submit_bio+0x234/0x390 [ 1645.522148] ? generic_make_request+0x850/0x850 [ 1645.526800] ? __lockdep_init_map+0x100/0x560 [ 1645.531275] ? __lockdep_init_map+0x100/0x560 [ 1645.535755] submit_bio_wait+0xe8/0x140 [ 1645.539708] ? submit_bio_wait_endio+0xb0/0xb0 [ 1645.544271] blkdev_issue_flush+0x218/0x320 [ 1645.548571] ext4_sync_fs+0x46f/0x7e0 [ 1645.552348] ? bdev_try_to_free_page+0x150/0x150 [ 1645.557079] ? iterate_supers+0xda/0x490 [ 1645.561123] ? bdev_try_to_free_page+0x150/0x150 [ 1645.565886] ? vfs_fsync_range+0x260/0x260 [ 1645.570122] sync_fs_one_sb+0xb1/0xe0 [ 1645.573916] iterate_supers+0x124/0x490 [ 1645.577867] sys_sync+0x9a/0x130 [ 1645.581209] ? vfs_fsync+0x210/0x210 [ 1645.584900] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1645.589894] ? vfs_fsync+0x210/0x210 [ 1645.593600] do_syscall_64+0x1d5/0x640 executing program [ 1645.597470] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1645.602899] RIP: 0033:0x7f3c6be997c9 [ 1645.606586] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1645.614286] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1645.621534] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1645.628788] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1645.636035] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1645.643280] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000001e executing program [ 1645.690129] FAULT_INJECTION: forcing a failure. [ 1645.690129] name failslab, interval 1, probability 0, space 0, times 0 [ 1645.702007] FAULT_INJECTION: forcing a failure. [ 1645.702007] name failslab, interval 1, probability 0, space 0, times 0 [ 1645.730159] CPU: 0 PID: 11041 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1645.738140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1645.747483] Call Trace: [ 1645.750062] dump_stack+0x1b2/0x281 [ 1645.753673] should_fail.cold+0x10a/0x149 [ 1645.757804] ? sync_fs_one_sb+0xb1/0xe0 [ 1645.761776] should_failslab+0xd6/0x130 [ 1645.765737] kmem_cache_alloc_node+0x54/0x410 [ 1645.770223] create_task_io_context+0x2a/0x3c0 [ 1645.774790] generic_make_request_checks+0x1350/0x19f0 [ 1645.780050] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1645.784444] ? flush_workqueue+0x129/0x1310 [ 1645.788747] ? flush_workqueue+0x49b/0x1310 [ 1645.793052] generic_make_request+0x67/0x850 [ 1645.797442] ? mempool_alloc+0x10e/0x2d0 [ 1645.801483] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1645.806998] ? blk_queue_exit+0x1d0/0x1d0 [ 1645.811130] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1645.816175] ? kmem_cache_alloc+0x35f/0x3c0 [ 1645.820483] submit_bio+0x234/0x390 [ 1645.824091] ? generic_make_request+0x850/0x850 [ 1645.828746] ? __lockdep_init_map+0x100/0x560 [ 1645.833242] ? __lockdep_init_map+0x100/0x560 [ 1645.837731] submit_bio_wait+0xe8/0x140 [ 1645.841688] ? submit_bio_wait_endio+0xb0/0xb0 [ 1645.846275] blkdev_issue_flush+0x218/0x320 [ 1645.850579] ext4_sync_fs+0x46f/0x7e0 [ 1645.854360] ? bdev_try_to_free_page+0x150/0x150 [ 1645.859094] ? iterate_supers+0xda/0x490 [ 1645.863149] ? bdev_try_to_free_page+0x150/0x150 [ 1645.867886] ? vfs_fsync_range+0x260/0x260 [ 1645.872101] sync_fs_one_sb+0xb1/0xe0 [ 1645.875882] iterate_supers+0x124/0x490 [ 1645.879838] sys_sync+0x9a/0x130 [ 1645.883185] ? vfs_fsync+0x210/0x210 [ 1645.886883] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1645.891966] ? vfs_fsync+0x210/0x210 [ 1645.895661] do_syscall_64+0x1d5/0x640 [ 1645.899534] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1645.904729] RIP: 0033:0x7f3c6be997c9 [ 1645.908419] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1645.916105] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1645.923360] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1645.930726] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1645.938062] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1645.945312] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000001d [ 1645.952573] CPU: 1 PID: 11033 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1645.960539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1645.969887] Call Trace: [ 1645.972470] dump_stack+0x1b2/0x281 [ 1645.976098] should_fail.cold+0x10a/0x149 [ 1645.980245] ? sync_fs_one_sb+0xb1/0xe0 [ 1645.984223] should_failslab+0xd6/0x130 [ 1645.988193] kmem_cache_alloc_node+0x54/0x410 [ 1645.992688] create_task_io_context+0x2a/0x3c0 [ 1645.997272] generic_make_request_checks+0x1350/0x19f0 [ 1646.002552] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1646.006976] ? flush_workqueue+0x129/0x1310 [ 1646.011297] ? flush_workqueue+0x49b/0x1310 [ 1646.015614] generic_make_request+0x67/0x850 [ 1646.020024] ? mempool_alloc+0x10e/0x2d0 [ 1646.024082] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1646.029529] ? blk_queue_exit+0x1d0/0x1d0 [ 1646.033674] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1646.038687] ? kmem_cache_alloc+0x35f/0x3c0 [ 1646.043008] submit_bio+0x234/0x390 [ 1646.046626] ? generic_make_request+0x850/0x850 [ 1646.051280] ? __lockdep_init_map+0x100/0x560 [ 1646.055782] ? __lockdep_init_map+0x100/0x560 [ 1646.060276] submit_bio_wait+0xe8/0x140 [ 1646.064248] ? submit_bio_wait_endio+0xb0/0xb0 [ 1646.068834] blkdev_issue_flush+0x218/0x320 [ 1646.073155] ext4_sync_fs+0x46f/0x7e0 [ 1646.076956] ? bdev_try_to_free_page+0x150/0x150 [ 1646.081713] ? iterate_supers+0xda/0x490 [ 1646.085765] ? bdev_try_to_free_page+0x150/0x150 [ 1646.090516] ? vfs_fsync_range+0x260/0x260 [ 1646.094737] sync_fs_one_sb+0xb1/0xe0 [ 1646.098518] iterate_supers+0x124/0x490 [ 1646.102484] sys_sync+0x9a/0x130 [ 1646.105844] ? vfs_fsync+0x210/0x210 [ 1646.109552] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1646.114551] ? vfs_fsync+0x210/0x210 [ 1646.118243] do_syscall_64+0x1d5/0x640 [ 1646.122112] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1646.127278] RIP: 0033:0x7f3c6be997c9 [ 1646.130982] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1646.138708] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1646.145956] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1646.153208] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1646.160453] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1646.167702] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000001e [ 1646.177320] FAULT_INJECTION: forcing a failure. [ 1646.177320] name failslab, interval 1, probability 0, space 0, times 0 [ 1646.194249] CPU: 1 PID: 11040 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1646.202222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1646.211568] Call Trace: [ 1646.214154] dump_stack+0x1b2/0x281 [ 1646.217785] should_fail.cold+0x10a/0x149 [ 1646.221930] ? sync_fs_one_sb+0xb1/0xe0 [ 1646.225904] should_failslab+0xd6/0x130 [ 1646.229878] kmem_cache_alloc_node+0x54/0x410 [ 1646.234376] create_task_io_context+0x2a/0x3c0 [ 1646.238959] generic_make_request_checks+0x1350/0x19f0 [ 1646.244234] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1646.248645] ? flush_workqueue+0x129/0x1310 [ 1646.252964] ? flush_workqueue+0x49b/0x1310 [ 1646.257289] generic_make_request+0x67/0x850 [ 1646.261703] ? mempool_alloc+0x10e/0x2d0 [ 1646.265757] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1646.271196] ? blk_queue_exit+0x1d0/0x1d0 [ 1646.275331] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1646.280333] ? kmem_cache_alloc+0x35f/0x3c0 [ 1646.284647] submit_bio+0x234/0x390 [ 1646.288255] ? generic_make_request+0x850/0x850 [ 1646.292905] ? __lockdep_init_map+0x100/0x560 [ 1646.297501] ? __lockdep_init_map+0x100/0x560 [ 1646.302333] submit_bio_wait+0xe8/0x140 [ 1646.306319] ? submit_bio_wait_endio+0xb0/0xb0 [ 1646.310899] blkdev_issue_flush+0x218/0x320 [ 1646.315204] ext4_sync_fs+0x46f/0x7e0 [ 1646.318989] ? bdev_try_to_free_page+0x150/0x150 [ 1646.323790] ? iterate_supers+0xda/0x490 [ 1646.327846] ? bdev_try_to_free_page+0x150/0x150 [ 1646.332591] ? vfs_fsync_range+0x260/0x260 [ 1646.336809] sync_fs_one_sb+0xb1/0xe0 [ 1646.340599] iterate_supers+0x124/0x490 [ 1646.344594] sys_sync+0x9a/0x130 [ 1646.347941] ? vfs_fsync+0x210/0x210 [ 1646.351636] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1646.356629] ? vfs_fsync+0x210/0x210 [ 1646.360328] do_syscall_64+0x1d5/0x640 [ 1646.364207] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1646.369381] RIP: 0033:0x7f3c6be997c9 [ 1646.373077] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1646.380772] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1646.388034] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 executing program [ 1646.395300] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1646.402807] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1646.410063] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000001e executing program executing program [ 1646.436006] FAULT_INJECTION: forcing a failure. [ 1646.436006] name failslab, interval 1, probability 0, space 0, times 0 [ 1646.458321] CPU: 1 PID: 11055 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1646.466304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1646.475652] Call Trace: [ 1646.478307] dump_stack+0x1b2/0x281 [ 1646.481940] should_fail.cold+0x10a/0x149 [ 1646.486148] ? sync_fs_one_sb+0xb1/0xe0 [ 1646.490130] should_failslab+0xd6/0x130 [ 1646.494113] kmem_cache_alloc_node+0x54/0x410 [ 1646.498618] create_task_io_context+0x2a/0x3c0 [ 1646.503202] generic_make_request_checks+0x1350/0x19f0 [ 1646.508482] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1646.512889] ? flush_workqueue+0x129/0x1310 [ 1646.517208] ? flush_workqueue+0x49b/0x1310 [ 1646.521534] generic_make_request+0x67/0x850 [ 1646.525938] ? mempool_alloc+0x10e/0x2d0 [ 1646.529995] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1646.535442] ? blk_queue_exit+0x1d0/0x1d0 [ 1646.539593] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1646.544605] ? kmem_cache_alloc+0x35f/0x3c0 [ 1646.548925] submit_bio+0x234/0x390 [ 1646.552553] ? generic_make_request+0x850/0x850 [ 1646.557218] ? __lockdep_init_map+0x100/0x560 [ 1646.561731] ? __lockdep_init_map+0x100/0x560 [ 1646.566227] submit_bio_wait+0xe8/0x140 [ 1646.570203] ? submit_bio_wait_endio+0xb0/0xb0 [ 1646.574790] blkdev_issue_flush+0x218/0x320 [ 1646.579113] ext4_sync_fs+0x46f/0x7e0 [ 1646.582897] ? bdev_try_to_free_page+0x150/0x150 [ 1646.587629] ? iterate_supers+0xda/0x490 [ 1646.591667] ? bdev_try_to_free_page+0x150/0x150 [ 1646.596402] ? vfs_fsync_range+0x260/0x260 [ 1646.600652] sync_fs_one_sb+0xb1/0xe0 [ 1646.604437] iterate_supers+0x124/0x490 [ 1646.608390] sys_sync+0x9a/0x130 [ 1646.611734] ? vfs_fsync+0x210/0x210 [ 1646.615455] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1646.620450] ? vfs_fsync+0x210/0x210 [ 1646.624149] do_syscall_64+0x1d5/0x640 [ 1646.628017] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1646.633184] RIP: 0033:0x7f3c6be997c9 executing program [ 1646.636873] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1646.644555] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1646.651807] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1646.659062] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1646.666313] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1646.673568] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000001d [ 1646.723055] FAULT_INJECTION: forcing a failure. [ 1646.723055] name failslab, interval 1, probability 0, space 0, times 0 [ 1646.735983] CPU: 0 PID: 11054 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1646.743961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1646.753313] Call Trace: [ 1646.755926] dump_stack+0x1b2/0x281 [ 1646.759536] should_fail.cold+0x10a/0x149 [ 1646.763665] ? sync_fs_one_sb+0xb1/0xe0 [ 1646.767647] should_failslab+0xd6/0x130 [ 1646.771606] kmem_cache_alloc_node+0x54/0x410 [ 1646.776084] create_task_io_context+0x2a/0x3c0 [ 1646.780651] generic_make_request_checks+0x1350/0x19f0 [ 1646.785908] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1646.790296] ? flush_workqueue+0x129/0x1310 [ 1646.794621] ? flush_workqueue+0x49b/0x1310 [ 1646.798926] generic_make_request+0x67/0x850 [ 1646.803322] ? mempool_alloc+0x10e/0x2d0 [ 1646.807363] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1646.812813] ? blk_queue_exit+0x1d0/0x1d0 [ 1646.816940] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1646.821934] ? kmem_cache_alloc+0x35f/0x3c0 [ 1646.826241] submit_bio+0x234/0x390 [ 1646.829851] ? generic_make_request+0x850/0x850 [ 1646.835221] ? __lockdep_init_map+0x100/0x560 [ 1646.839700] ? __lockdep_init_map+0x100/0x560 [ 1646.844177] submit_bio_wait+0xe8/0x140 [ 1646.848161] ? submit_bio_wait_endio+0xb0/0xb0 [ 1646.852734] blkdev_issue_flush+0x218/0x320 [ 1646.857041] ext4_sync_fs+0x46f/0x7e0 [ 1646.860828] ? bdev_try_to_free_page+0x150/0x150 [ 1646.865563] ? iterate_supers+0xda/0x490 [ 1646.869606] ? bdev_try_to_free_page+0x150/0x150 [ 1646.874341] ? vfs_fsync_range+0x260/0x260 [ 1646.878554] sync_fs_one_sb+0xb1/0xe0 [ 1646.882337] iterate_supers+0x124/0x490 [ 1646.886296] sys_sync+0x9a/0x130 [ 1646.889777] ? vfs_fsync+0x210/0x210 [ 1646.893482] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1646.898486] ? vfs_fsync+0x210/0x210 [ 1646.902182] do_syscall_64+0x1d5/0x640 [ 1646.906054] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1646.911224] RIP: 0033:0x7f3c6be997c9 [ 1646.914916] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1646.922699] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1646.929957] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1646.937218] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1646.944495] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1646.951752] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000040 [ 1646.989634] FAULT_INJECTION: forcing a failure. [ 1646.989634] name failslab, interval 1, probability 0, space 0, times 0 [ 1646.989910] FAULT_INJECTION: forcing a failure. [ 1646.989910] name failslab, interval 1, probability 0, space 0, times 0 [ 1647.013870] CPU: 0 PID: 11063 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1647.021885] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1647.031232] Call Trace: [ 1647.033816] dump_stack+0x1b2/0x281 [ 1647.037431] should_fail.cold+0x10a/0x149 [ 1647.041565] ? sync_fs_one_sb+0xb1/0xe0 [ 1647.045539] should_failslab+0xd6/0x130 [ 1647.049498] kmem_cache_alloc_node+0x54/0x410 [ 1647.053982] create_task_io_context+0x2a/0x3c0 [ 1647.058552] generic_make_request_checks+0x1350/0x19f0 [ 1647.063821] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1647.068215] ? flush_workqueue+0x129/0x1310 [ 1647.072550] ? flush_workqueue+0x49b/0x1310 [ 1647.076858] generic_make_request+0x67/0x850 [ 1647.081250] ? mempool_alloc+0x10e/0x2d0 [ 1647.085294] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1647.090740] ? blk_queue_exit+0x1d0/0x1d0 [ 1647.094876] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1647.099990] ? kmem_cache_alloc+0x35f/0x3c0 [ 1647.104300] submit_bio+0x234/0x390 [ 1647.107916] ? generic_make_request+0x850/0x850 [ 1647.112571] ? __lockdep_init_map+0x100/0x560 [ 1647.117056] ? __lockdep_init_map+0x100/0x560 [ 1647.121546] submit_bio_wait+0xe8/0x140 [ 1647.125516] ? submit_bio_wait_endio+0xb0/0xb0 [ 1647.130092] blkdev_issue_flush+0x218/0x320 [ 1647.134402] ext4_sync_fs+0x46f/0x7e0 [ 1647.138193] ? bdev_try_to_free_page+0x150/0x150 [ 1647.142933] ? iterate_supers+0xda/0x490 [ 1647.147005] ? bdev_try_to_free_page+0x150/0x150 [ 1647.151767] ? vfs_fsync_range+0x260/0x260 [ 1647.155989] sync_fs_one_sb+0xb1/0xe0 [ 1647.159774] iterate_supers+0x124/0x490 [ 1647.163733] sys_sync+0x9a/0x130 [ 1647.167086] ? vfs_fsync+0x210/0x210 [ 1647.170785] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1647.175960] ? vfs_fsync+0x210/0x210 [ 1647.179657] do_syscall_64+0x1d5/0x640 [ 1647.183554] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1647.188727] RIP: 0033:0x7f3c6be997c9 [ 1647.192532] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1647.200222] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1647.207473] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1647.214842] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1647.222109] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1647.229363] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000001f [ 1647.236741] CPU: 1 PID: 11065 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1647.244712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1647.254051] Call Trace: [ 1647.256625] dump_stack+0x1b2/0x281 [ 1647.260259] should_fail.cold+0x10a/0x149 [ 1647.264392] ? sync_fs_one_sb+0xb1/0xe0 [ 1647.268351] should_failslab+0xd6/0x130 [ 1647.272335] kmem_cache_alloc_node+0x54/0x410 [ 1647.276815] create_task_io_context+0x2a/0x3c0 [ 1647.281382] generic_make_request_checks+0x1350/0x19f0 [ 1647.286647] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1647.291040] ? flush_workqueue+0x129/0x1310 [ 1647.295344] ? flush_workqueue+0x49b/0x1310 [ 1647.299650] generic_make_request+0x67/0x850 [ 1647.304041] ? mempool_alloc+0x10e/0x2d0 [ 1647.308115] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1647.313544] ? blk_queue_exit+0x1d0/0x1d0 [ 1647.317676] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1647.322713] ? kmem_cache_alloc+0x35f/0x3c0 [ 1647.327021] submit_bio+0x234/0x390 [ 1647.330653] ? generic_make_request+0x850/0x850 [ 1647.335303] ? __lockdep_init_map+0x100/0x560 [ 1647.339782] ? __lockdep_init_map+0x100/0x560 [ 1647.344260] submit_bio_wait+0xe8/0x140 [ 1647.348304] ? submit_bio_wait_endio+0xb0/0xb0 [ 1647.352874] blkdev_issue_flush+0x218/0x320 [ 1647.357179] ext4_sync_fs+0x46f/0x7e0 [ 1647.360967] ? bdev_try_to_free_page+0x150/0x150 [ 1647.365705] ? iterate_supers+0xda/0x490 [ 1647.369750] ? bdev_try_to_free_page+0x150/0x150 [ 1647.374488] ? vfs_fsync_range+0x260/0x260 [ 1647.378703] sync_fs_one_sb+0xb1/0xe0 [ 1647.382509] iterate_supers+0x124/0x490 [ 1647.386488] sys_sync+0x9a/0x130 [ 1647.389843] ? vfs_fsync+0x210/0x210 [ 1647.393544] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1647.398542] ? vfs_fsync+0x210/0x210 [ 1647.402236] do_syscall_64+0x1d5/0x640 [ 1647.406109] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1647.411280] RIP: 0033:0x7f3c6be997c9 [ 1647.414974] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1647.422664] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1647.429925] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 executing program [ 1647.437175] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1647.444423] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1647.451673] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000001f executing program [ 1647.529794] FAULT_INJECTION: forcing a failure. [ 1647.529794] name failslab, interval 1, probability 0, space 0, times 0 [ 1647.547304] FAULT_INJECTION: forcing a failure. [ 1647.547304] name failslab, interval 1, probability 0, space 0, times 0 [ 1647.564631] CPU: 1 PID: 11081 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1647.572634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1647.581973] Call Trace: [ 1647.584557] dump_stack+0x1b2/0x281 [ 1647.588170] should_fail.cold+0x10a/0x149 [ 1647.592302] ? sync_fs_one_sb+0xb1/0xe0 [ 1647.596298] should_failslab+0xd6/0x130 [ 1647.600256] kmem_cache_alloc_node+0x54/0x410 [ 1647.604746] create_task_io_context+0x2a/0x3c0 [ 1647.609317] generic_make_request_checks+0x1350/0x19f0 [ 1647.614751] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1647.619144] ? flush_workqueue+0x129/0x1310 [ 1647.623447] ? flush_workqueue+0x49b/0x1310 [ 1647.627751] generic_make_request+0x67/0x850 [ 1647.632143] ? mempool_alloc+0x10e/0x2d0 [ 1647.636185] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1647.641618] ? blk_queue_exit+0x1d0/0x1d0 [ 1647.645748] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1647.650745] ? kmem_cache_alloc+0x35f/0x3c0 [ 1647.655053] submit_bio+0x234/0x390 [ 1647.658666] ? generic_make_request+0x850/0x850 [ 1647.663320] ? __lockdep_init_map+0x100/0x560 [ 1647.667795] ? __lockdep_init_map+0x100/0x560 [ 1647.672277] submit_bio_wait+0xe8/0x140 [ 1647.676232] ? submit_bio_wait_endio+0xb0/0xb0 [ 1647.680804] blkdev_issue_flush+0x218/0x320 [ 1647.685119] ext4_sync_fs+0x46f/0x7e0 [ 1647.688912] ? bdev_try_to_free_page+0x150/0x150 [ 1647.693666] ? iterate_supers+0xda/0x490 [ 1647.697739] ? bdev_try_to_free_page+0x150/0x150 [ 1647.702494] ? vfs_fsync_range+0x260/0x260 [ 1647.706726] sync_fs_one_sb+0xb1/0xe0 [ 1647.710521] iterate_supers+0x124/0x490 [ 1647.714498] sys_sync+0x9a/0x130 [ 1647.717849] ? vfs_fsync+0x210/0x210 [ 1647.721570] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1647.726571] ? vfs_fsync+0x210/0x210 [ 1647.730309] do_syscall_64+0x1d5/0x640 [ 1647.734210] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1647.739382] RIP: 0033:0x7f3c6be997c9 [ 1647.743074] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1647.750762] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1647.758013] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1647.765269] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1647.772527] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1647.779784] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000001e [ 1647.787050] CPU: 0 PID: 11086 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1647.795021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1647.804373] Call Trace: [ 1647.806956] dump_stack+0x1b2/0x281 [ 1647.810587] should_fail.cold+0x10a/0x149 [ 1647.814730] should_failslab+0xd6/0x130 [ 1647.818687] kmem_cache_alloc+0x28e/0x3c0 [ 1647.822817] start_transaction+0x27c/0xf30 [ 1647.827040] ? vfs_fsync_range+0x260/0x260 [ 1647.831689] btrfs_attach_transaction_barrier+0x22/0x80 [ 1647.837039] btrfs_sync_fs+0xcd/0x430 [ 1647.840820] ? btrfs_freeze+0xb0/0xb0 [ 1647.844602] ? vfs_fsync_range+0x260/0x260 [ 1647.848818] sync_fs_one_sb+0xb1/0xe0 [ 1647.852597] iterate_supers+0x124/0x490 [ 1647.856552] sys_sync+0x9a/0x130 [ 1647.859897] ? vfs_fsync+0x210/0x210 [ 1647.863600] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1647.868602] ? vfs_fsync+0x210/0x210 [ 1647.872328] do_syscall_64+0x1d5/0x640 [ 1647.876203] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1647.881374] RIP: 0033:0x7f3c6be997c9 [ 1647.885096] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1647.892787] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1647.900045] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1647.907295] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1647.914619] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1647.921876] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000001f executing program executing program executing program [ 1648.049755] FAULT_INJECTION: forcing a failure. [ 1648.049755] name failslab, interval 1, probability 0, space 0, times 0 [ 1648.049906] FAULT_INJECTION: forcing a failure. [ 1648.049906] name failslab, interval 1, probability 0, space 0, times 0 [ 1648.065124] CPU: 1 PID: 11092 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1648.072463] FAULT_INJECTION: forcing a failure. [ 1648.072463] name failslab, interval 1, probability 0, space 0, times 0 [ 1648.080181] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1648.080184] Call Trace: [ 1648.080197] dump_stack+0x1b2/0x281 [ 1648.080209] should_fail.cold+0x10a/0x149 [ 1648.080217] ? sync_fs_one_sb+0xb1/0xe0 [ 1648.080227] should_failslab+0xd6/0x130 [ 1648.080236] kmem_cache_alloc_node+0x54/0x410 [ 1648.080248] create_task_io_context+0x2a/0x3c0 [ 1648.128086] generic_make_request_checks+0x1350/0x19f0 [ 1648.133354] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1648.137744] ? flush_workqueue+0x129/0x1310 [ 1648.142053] ? flush_workqueue+0x49b/0x1310 [ 1648.146462] generic_make_request+0x67/0x850 [ 1648.150863] ? mempool_alloc+0x10e/0x2d0 [ 1648.154918] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1648.160401] ? blk_queue_exit+0x1d0/0x1d0 [ 1648.164579] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1648.169584] ? kmem_cache_alloc+0x35f/0x3c0 [ 1648.173902] submit_bio+0x234/0x390 [ 1648.177528] ? generic_make_request+0x850/0x850 [ 1648.182183] ? __lockdep_init_map+0x100/0x560 [ 1648.186674] ? __lockdep_init_map+0x100/0x560 [ 1648.191267] submit_bio_wait+0xe8/0x140 [ 1648.195237] ? submit_bio_wait_endio+0xb0/0xb0 [ 1648.199813] blkdev_issue_flush+0x218/0x320 [ 1648.204127] ext4_sync_fs+0x46f/0x7e0 [ 1648.207923] ? bdev_try_to_free_page+0x150/0x150 [ 1648.212669] ? iterate_supers+0xda/0x490 [ 1648.216724] ? bdev_try_to_free_page+0x150/0x150 [ 1648.221512] ? vfs_fsync_range+0x260/0x260 [ 1648.225736] sync_fs_one_sb+0xb1/0xe0 [ 1648.229529] iterate_supers+0x124/0x490 [ 1648.233491] sys_sync+0x9a/0x130 [ 1648.236844] ? vfs_fsync+0x210/0x210 [ 1648.240560] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1648.245569] ? vfs_fsync+0x210/0x210 [ 1648.249306] do_syscall_64+0x1d5/0x640 [ 1648.253195] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1648.258372] RIP: 0033:0x7f3c6be997c9 [ 1648.262073] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1648.269766] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1648.277022] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1648.284311] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1648.291563] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1648.298817] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000041 [ 1648.306085] CPU: 0 PID: 11094 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1648.314058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1648.323406] Call Trace: [ 1648.326005] dump_stack+0x1b2/0x281 [ 1648.329621] should_fail.cold+0x10a/0x149 [ 1648.333752] ? sync_fs_one_sb+0xb1/0xe0 [ 1648.337712] should_failslab+0xd6/0x130 [ 1648.341675] kmem_cache_alloc_node+0x54/0x410 [ 1648.346157] create_task_io_context+0x2a/0x3c0 [ 1648.350723] generic_make_request_checks+0x1350/0x19f0 [ 1648.355989] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1648.360384] ? flush_workqueue+0x129/0x1310 [ 1648.364827] ? flush_workqueue+0x49b/0x1310 [ 1648.369137] generic_make_request+0x67/0x850 [ 1648.373531] ? mempool_alloc+0x10e/0x2d0 [ 1648.377581] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1648.383054] ? blk_queue_exit+0x1d0/0x1d0 [ 1648.387199] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1648.392210] ? kmem_cache_alloc+0x35f/0x3c0 [ 1648.396527] submit_bio+0x234/0x390 [ 1648.400141] ? generic_make_request+0x850/0x850 [ 1648.404795] ? __lockdep_init_map+0x100/0x560 [ 1648.409277] ? __lockdep_init_map+0x100/0x560 [ 1648.413763] submit_bio_wait+0xe8/0x140 [ 1648.417722] ? submit_bio_wait_endio+0xb0/0xb0 [ 1648.422294] blkdev_issue_flush+0x218/0x320 [ 1648.426605] ext4_sync_fs+0x46f/0x7e0 [ 1648.430396] ? bdev_try_to_free_page+0x150/0x150 [ 1648.435137] ? iterate_supers+0xda/0x490 [ 1648.439182] ? bdev_try_to_free_page+0x150/0x150 [ 1648.443948] ? vfs_fsync_range+0x260/0x260 [ 1648.448170] sync_fs_one_sb+0xb1/0xe0 [ 1648.451953] iterate_supers+0x124/0x490 [ 1648.455916] sys_sync+0x9a/0x130 [ 1648.459266] ? vfs_fsync+0x210/0x210 [ 1648.462967] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1648.467983] ? vfs_fsync+0x210/0x210 [ 1648.471680] do_syscall_64+0x1d5/0x640 [ 1648.475555] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1648.480729] RIP: 0033:0x7f3c6be997c9 [ 1648.484420] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1648.492111] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1648.499367] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1648.506620] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1648.513957] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1648.521211] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000001e [ 1648.539361] CPU: 0 PID: 11096 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1648.547340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1648.556687] Call Trace: [ 1648.559275] dump_stack+0x1b2/0x281 [ 1648.562906] should_fail.cold+0x10a/0x149 [ 1648.567065] ? sync_fs_one_sb+0xb1/0xe0 [ 1648.571127] should_failslab+0xd6/0x130 [ 1648.575102] kmem_cache_alloc_node+0x54/0x410 [ 1648.579601] create_task_io_context+0x2a/0x3c0 [ 1648.584184] generic_make_request_checks+0x1350/0x19f0 [ 1648.589464] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1648.593875] ? flush_workqueue+0x129/0x1310 [ 1648.598195] ? flush_workqueue+0x49b/0x1310 [ 1648.602517] generic_make_request+0x67/0x850 [ 1648.606950] ? mempool_alloc+0x10e/0x2d0 [ 1648.611010] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1648.616458] ? blk_queue_exit+0x1d0/0x1d0 [ 1648.620608] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1648.625623] ? kmem_cache_alloc+0x35f/0x3c0 [ 1648.629947] submit_bio+0x234/0x390 [ 1648.633575] ? generic_make_request+0x850/0x850 [ 1648.638243] ? __lockdep_init_map+0x100/0x560 [ 1648.642735] ? __lockdep_init_map+0x100/0x560 [ 1648.647234] submit_bio_wait+0xe8/0x140 [ 1648.651208] ? submit_bio_wait_endio+0xb0/0xb0 [ 1648.655798] blkdev_issue_flush+0x218/0x320 [ 1648.660123] ext4_sync_fs+0x46f/0x7e0 [ 1648.663931] ? bdev_try_to_free_page+0x150/0x150 [ 1648.668681] ? iterate_supers+0xda/0x490 [ 1648.672743] ? bdev_try_to_free_page+0x150/0x150 [ 1648.677512] ? vfs_fsync_range+0x260/0x260 [ 1648.681745] sync_fs_one_sb+0xb1/0xe0 [ 1648.685545] iterate_supers+0x124/0x490 [ 1648.686961] FAULT_INJECTION: forcing a failure. [ 1648.686961] name failslab, interval 1, probability 0, space 0, times 0 [ 1648.689518] sys_sync+0x9a/0x130 [ 1648.689527] ? vfs_fsync+0x210/0x210 [ 1648.689538] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1648.689544] ? vfs_fsync+0x210/0x210 [ 1648.689552] do_syscall_64+0x1d5/0x640 [ 1648.689565] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1648.725594] RIP: 0033:0x7f3c6be997c9 [ 1648.729289] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1648.736983] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1648.744237] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 executing program [ 1648.751495] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1648.758749] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1648.766000] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000020 [ 1648.773269] CPU: 1 PID: 11105 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1648.781235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1648.790575] Call Trace: [ 1648.793144] dump_stack+0x1b2/0x281 [ 1648.796755] should_fail.cold+0x10a/0x149 [ 1648.800885] ? sync_fs_one_sb+0xb1/0xe0 [ 1648.804842] should_failslab+0xd6/0x130 [ 1648.808802] kmem_cache_alloc_node+0x54/0x410 [ 1648.813290] create_task_io_context+0x2a/0x3c0 [ 1648.817852] generic_make_request_checks+0x1350/0x19f0 [ 1648.823119] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1648.827526] ? flush_workqueue+0x129/0x1310 [ 1648.831835] ? flush_workqueue+0x49b/0x1310 [ 1648.836142] generic_make_request+0x67/0x850 [ 1648.840880] ? mempool_alloc+0x10e/0x2d0 [ 1648.844920] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1648.850350] ? blk_queue_exit+0x1d0/0x1d0 [ 1648.854479] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1648.859478] ? kmem_cache_alloc+0x35f/0x3c0 [ 1648.863786] submit_bio+0x234/0x390 [ 1648.867393] ? generic_make_request+0x850/0x850 [ 1648.872041] ? __lockdep_init_map+0x100/0x560 [ 1648.876515] ? __lockdep_init_map+0x100/0x560 [ 1648.880991] submit_bio_wait+0xe8/0x140 [ 1648.884946] ? submit_bio_wait_endio+0xb0/0xb0 [ 1648.889516] blkdev_issue_flush+0x218/0x320 [ 1648.893826] ext4_sync_fs+0x46f/0x7e0 [ 1648.897634] ? bdev_try_to_free_page+0x150/0x150 [ 1648.902370] ? iterate_supers+0xda/0x490 [ 1648.906412] ? bdev_try_to_free_page+0x150/0x150 [ 1648.911151] ? vfs_fsync_range+0x260/0x260 [ 1648.915364] sync_fs_one_sb+0xb1/0xe0 [ 1648.919145] iterate_supers+0x124/0x490 [ 1648.923101] sys_sync+0x9a/0x130 [ 1648.926451] ? vfs_fsync+0x210/0x210 [ 1648.930146] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1648.935140] ? vfs_fsync+0x210/0x210 [ 1648.938836] do_syscall_64+0x1d5/0x640 [ 1648.942715] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1648.947888] RIP: 0033:0x7f3c6be997c9 [ 1648.951586] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1648.959271] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1648.966522] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1648.973777] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1648.981036] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1648.988309] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000020 [ 1649.019402] BTRFS info (device loop3): disabling disk space caching [ 1649.027091] BTRFS info (device loop3): has skinny extents [ 1649.096628] BTRFS info (device loop3): checking UUID tree executing program executing program [ 1649.259970] FAULT_INJECTION: forcing a failure. [ 1649.259970] name failslab, interval 1, probability 0, space 0, times 0 [ 1649.273131] CPU: 1 PID: 11144 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1649.281109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1649.290465] Call Trace: [ 1649.293050] dump_stack+0x1b2/0x281 [ 1649.296673] should_fail.cold+0x10a/0x149 [ 1649.300813] should_failslab+0xd6/0x130 [ 1649.304771] kmem_cache_alloc_trace+0x47/0x3d0 [ 1649.309343] bdi_split_work_to_wbs+0x288/0xcf0 [ 1649.313918] ? wb_queue_work+0x480/0x480 [ 1649.317965] ? lock_acquire+0x170/0x3f0 [ 1649.321922] ? sync_inodes_sb+0x156/0x880 [ 1649.326141] sync_inodes_sb+0x168/0x880 [ 1649.330126] ? lock_downgrade+0x740/0x740 [ 1649.334264] ? try_to_writeback_inodes_sb_nr+0x70/0x70 [ 1649.339529] ? call_rwsem_down_read_failed+0x14/0x30 [ 1649.344616] ? SyS_tee+0x9e0/0x9e0 [ 1649.348140] sync_inodes_one_sb+0x3d/0x50 [ 1649.352280] iterate_supers+0x124/0x490 [ 1649.356281] sys_sync+0x78/0x130 [ 1649.359630] ? vfs_fsync+0x210/0x210 [ 1649.363327] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1649.368343] ? vfs_fsync+0x210/0x210 [ 1649.372045] do_syscall_64+0x1d5/0x640 [ 1649.375923] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1649.381091] RIP: 0033:0x7f3c6be997c9 [ 1649.384779] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1649.392466] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1649.399719] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 executing program [ 1649.406967] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1649.414217] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1649.421472] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000001f [ 1649.451228] FAULT_INJECTION: forcing a failure. [ 1649.451228] name failslab, interval 1, probability 0, space 0, times 0 [ 1649.465259] FAULT_INJECTION: forcing a failure. [ 1649.465259] name failslab, interval 1, probability 0, space 0, times 0 [ 1649.484405] CPU: 0 PID: 11150 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1649.492382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1649.501730] Call Trace: [ 1649.504331] dump_stack+0x1b2/0x281 [ 1649.507950] should_fail.cold+0x10a/0x149 [ 1649.512083] ? sync_fs_one_sb+0xb1/0xe0 [ 1649.516040] should_failslab+0xd6/0x130 [ 1649.520003] kmem_cache_alloc_node+0x54/0x410 [ 1649.524488] create_task_io_context+0x2a/0x3c0 [ 1649.529055] generic_make_request_checks+0x1350/0x19f0 [ 1649.534318] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1649.538709] ? flush_workqueue+0x129/0x1310 [ 1649.543015] ? flush_workqueue+0x49b/0x1310 [ 1649.547321] generic_make_request+0x67/0x850 [ 1649.551714] ? mempool_alloc+0x10e/0x2d0 [ 1649.555758] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1649.561190] ? blk_queue_exit+0x1d0/0x1d0 [ 1649.565324] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1649.570350] ? kmem_cache_alloc+0x35f/0x3c0 [ 1649.574658] submit_bio+0x234/0x390 [ 1649.578269] ? generic_make_request+0x850/0x850 [ 1649.583037] ? __lockdep_init_map+0x100/0x560 [ 1649.587527] ? __lockdep_init_map+0x100/0x560 [ 1649.592013] submit_bio_wait+0xe8/0x140 [ 1649.595973] ? submit_bio_wait_endio+0xb0/0xb0 [ 1649.600543] blkdev_issue_flush+0x218/0x320 [ 1649.604848] ext4_sync_fs+0x46f/0x7e0 [ 1649.608633] ? bdev_try_to_free_page+0x150/0x150 [ 1649.613371] ? iterate_supers+0xda/0x490 [ 1649.617420] ? bdev_try_to_free_page+0x150/0x150 [ 1649.622159] ? vfs_fsync_range+0x260/0x260 [ 1649.626374] sync_fs_one_sb+0xb1/0xe0 [ 1649.630158] iterate_supers+0x124/0x490 [ 1649.634118] sys_sync+0x9a/0x130 [ 1649.637474] ? vfs_fsync+0x210/0x210 [ 1649.641176] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1649.646174] ? vfs_fsync+0x210/0x210 [ 1649.649871] do_syscall_64+0x1d5/0x640 [ 1649.653745] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1649.658916] RIP: 0033:0x7f3c6be997c9 [ 1649.662613] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1649.670302] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1649.677556] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1649.684810] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1649.692062] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 executing program executing program [ 1649.699317] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000001f [ 1649.706611] CPU: 1 PID: 11155 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1649.714576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1649.723923] Call Trace: [ 1649.726511] dump_stack+0x1b2/0x281 [ 1649.730138] should_fail.cold+0x10a/0x149 [ 1649.734281] ? sync_fs_one_sb+0xb1/0xe0 [ 1649.738253] should_failslab+0xd6/0x130 [ 1649.742226] kmem_cache_alloc_node+0x54/0x410 [ 1649.746718] create_task_io_context+0x2a/0x3c0 [ 1649.751298] generic_make_request_checks+0x1350/0x19f0 [ 1649.756578] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1649.760984] ? flush_workqueue+0x129/0x1310 [ 1649.765307] ? flush_workqueue+0x49b/0x1310 [ 1649.769638] generic_make_request+0x67/0x850 [ 1649.774044] ? mempool_alloc+0x10e/0x2d0 [ 1649.778104] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1649.783551] ? blk_queue_exit+0x1d0/0x1d0 [ 1649.787695] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1649.792710] ? kmem_cache_alloc+0x35f/0x3c0 [ 1649.797031] submit_bio+0x234/0x390 [ 1649.800656] ? generic_make_request+0x850/0x850 [ 1649.805321] ? __lockdep_init_map+0x100/0x560 [ 1649.809812] ? __lockdep_init_map+0x100/0x560 [ 1649.814337] submit_bio_wait+0xe8/0x140 [ 1649.818293] ? submit_bio_wait_endio+0xb0/0xb0 [ 1649.822862] blkdev_issue_flush+0x218/0x320 [ 1649.827173] ext4_sync_fs+0x46f/0x7e0 [ 1649.830957] ? bdev_try_to_free_page+0x150/0x150 [ 1649.835696] ? iterate_supers+0xda/0x490 [ 1649.839739] ? bdev_try_to_free_page+0x150/0x150 [ 1649.844478] ? vfs_fsync_range+0x260/0x260 [ 1649.848715] sync_fs_one_sb+0xb1/0xe0 [ 1649.852499] iterate_supers+0x124/0x490 [ 1649.856479] sys_sync+0x9a/0x130 [ 1649.859830] ? vfs_fsync+0x210/0x210 [ 1649.863554] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1649.868556] ? vfs_fsync+0x210/0x210 [ 1649.872254] do_syscall_64+0x1d5/0x640 [ 1649.876128] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1649.881299] RIP: 0033:0x7f3c6be997c9 [ 1649.885026] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1649.892717] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 executing program [ 1649.899971] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1649.907224] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1649.914480] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1649.921734] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000021 [ 1649.940844] FAULT_INJECTION: forcing a failure. [ 1649.940844] name failslab, interval 1, probability 0, space 0, times 0 [ 1649.967631] CPU: 0 PID: 11154 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1649.975622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1649.984978] Call Trace: [ 1649.987564] dump_stack+0x1b2/0x281 [ 1649.991195] should_fail.cold+0x10a/0x149 [ 1649.995342] ? sync_fs_one_sb+0xb1/0xe0 [ 1649.999321] should_failslab+0xd6/0x130 [ 1650.003299] kmem_cache_alloc_node+0x54/0x410 [ 1650.007798] create_task_io_context+0x2a/0x3c0 [ 1650.012379] generic_make_request_checks+0x1350/0x19f0 [ 1650.017680] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1650.022071] ? flush_workqueue+0x129/0x1310 [ 1650.026378] ? flush_workqueue+0x49b/0x1310 [ 1650.030690] generic_make_request+0x67/0x850 [ 1650.035110] ? mempool_alloc+0x10e/0x2d0 [ 1650.039181] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1650.044685] ? blk_queue_exit+0x1d0/0x1d0 [ 1650.048846] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1650.053857] ? kmem_cache_alloc+0x35f/0x3c0 [ 1650.058162] submit_bio+0x234/0x390 [ 1650.061773] ? generic_make_request+0x850/0x850 [ 1650.066427] ? __lockdep_init_map+0x100/0x560 [ 1650.070905] ? __lockdep_init_map+0x100/0x560 [ 1650.075402] submit_bio_wait+0xe8/0x140 [ 1650.079362] ? submit_bio_wait_endio+0xb0/0xb0 [ 1650.083929] blkdev_issue_flush+0x218/0x320 [ 1650.088235] ext4_sync_fs+0x46f/0x7e0 [ 1650.092019] ? bdev_try_to_free_page+0x150/0x150 [ 1650.096772] ? iterate_supers+0xda/0x490 [ 1650.100826] ? bdev_try_to_free_page+0x150/0x150 [ 1650.105567] ? vfs_fsync_range+0x260/0x260 [ 1650.109787] sync_fs_one_sb+0xb1/0xe0 [ 1650.113581] iterate_supers+0x124/0x490 [ 1650.117567] sys_sync+0x9a/0x130 [ 1650.120939] ? vfs_fsync+0x210/0x210 [ 1650.124641] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1650.129734] ? vfs_fsync+0x210/0x210 [ 1650.133432] do_syscall_64+0x1d5/0x640 [ 1650.137302] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1650.142571] RIP: 0033:0x7f3c6be997c9 [ 1650.146266] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1650.153951] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1650.161200] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 executing program [ 1650.168448] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1650.175789] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1650.183038] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000042 [ 1650.216164] FAULT_INJECTION: forcing a failure. [ 1650.216164] name failslab, interval 1, probability 0, space 0, times 0 [ 1650.216435] FAULT_INJECTION: forcing a failure. [ 1650.216435] name failslab, interval 1, probability 0, space 0, times 0 [ 1650.233611] CPU: 0 PID: 11163 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1650.246703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1650.256045] Call Trace: [ 1650.258627] dump_stack+0x1b2/0x281 [ 1650.262244] should_fail.cold+0x10a/0x149 [ 1650.266377] ? sync_fs_one_sb+0xb1/0xe0 [ 1650.270340] should_failslab+0xd6/0x130 [ 1650.274300] kmem_cache_alloc_node+0x54/0x410 [ 1650.278785] create_task_io_context+0x2a/0x3c0 [ 1650.283350] generic_make_request_checks+0x1350/0x19f0 [ 1650.288611] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1650.293005] ? flush_workqueue+0x129/0x1310 [ 1650.297316] ? flush_workqueue+0x49b/0x1310 [ 1650.301620] generic_make_request+0x67/0x850 [ 1650.306012] ? mempool_alloc+0x10e/0x2d0 [ 1650.310055] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1650.315485] ? blk_queue_exit+0x1d0/0x1d0 [ 1650.319618] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1650.324621] ? kmem_cache_alloc+0x35f/0x3c0 [ 1650.328930] submit_bio+0x234/0x390 [ 1650.332546] ? generic_make_request+0x850/0x850 [ 1650.337203] ? __lockdep_init_map+0x100/0x560 [ 1650.341715] ? __lockdep_init_map+0x100/0x560 [ 1650.346219] submit_bio_wait+0xe8/0x140 [ 1650.350177] ? submit_bio_wait_endio+0xb0/0xb0 [ 1650.354746] blkdev_issue_flush+0x218/0x320 [ 1650.359052] ext4_sync_fs+0x46f/0x7e0 [ 1650.362833] ? bdev_try_to_free_page+0x150/0x150 [ 1650.367568] ? iterate_supers+0xda/0x490 [ 1650.371615] ? bdev_try_to_free_page+0x150/0x150 [ 1650.376358] ? vfs_fsync_range+0x260/0x260 [ 1650.380581] sync_fs_one_sb+0xb1/0xe0 [ 1650.384362] iterate_supers+0x124/0x490 [ 1650.388329] sys_sync+0x9a/0x130 [ 1650.391675] ? vfs_fsync+0x210/0x210 [ 1650.395379] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1650.400380] ? vfs_fsync+0x210/0x210 [ 1650.404074] do_syscall_64+0x1d5/0x640 [ 1650.407950] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1650.413122] RIP: 0033:0x7f3c6be997c9 [ 1650.416815] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1650.424505] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1650.431758] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1650.439007] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1650.446260] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1650.453509] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000020 [ 1650.460771] CPU: 1 PID: 11174 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1650.461894] FAULT_INJECTION: forcing a failure. [ 1650.461894] name failslab, interval 1, probability 0, space 0, times 0 [ 1650.468732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1650.468736] Call Trace: [ 1650.468747] dump_stack+0x1b2/0x281 [ 1650.468758] should_fail.cold+0x10a/0x149 [ 1650.468772] ? sync_fs_one_sb+0xb1/0xe0 [ 1650.503621] should_failslab+0xd6/0x130 [ 1650.507588] kmem_cache_alloc_node+0x54/0x410 [ 1650.512073] create_task_io_context+0x2a/0x3c0 [ 1650.516683] generic_make_request_checks+0x1350/0x19f0 [ 1650.521953] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1650.526353] ? flush_workqueue+0x129/0x1310 [ 1650.530657] ? flush_workqueue+0x49b/0x1310 [ 1650.534961] generic_make_request+0x67/0x850 [ 1650.539355] ? mempool_alloc+0x10e/0x2d0 [ 1650.543400] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1650.548830] ? blk_queue_exit+0x1d0/0x1d0 [ 1650.552968] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1650.557968] ? kmem_cache_alloc+0x35f/0x3c0 [ 1650.562272] submit_bio+0x234/0x390 [ 1650.565884] ? generic_make_request+0x850/0x850 [ 1650.570534] ? __lockdep_init_map+0x100/0x560 [ 1650.575008] ? __lockdep_init_map+0x100/0x560 [ 1650.579493] submit_bio_wait+0xe8/0x140 [ 1650.583452] ? submit_bio_wait_endio+0xb0/0xb0 [ 1650.588022] blkdev_issue_flush+0x218/0x320 [ 1650.592328] ext4_sync_fs+0x46f/0x7e0 [ 1650.596108] ? bdev_try_to_free_page+0x150/0x150 [ 1650.600847] ? iterate_supers+0xda/0x490 [ 1650.604895] ? bdev_try_to_free_page+0x150/0x150 [ 1650.609636] ? vfs_fsync_range+0x260/0x260 [ 1650.613851] sync_fs_one_sb+0xb1/0xe0 [ 1650.617633] iterate_supers+0x124/0x490 [ 1650.621596] sys_sync+0x9a/0x130 [ 1650.624949] ? vfs_fsync+0x210/0x210 [ 1650.628648] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1650.633646] ? vfs_fsync+0x210/0x210 [ 1650.637342] do_syscall_64+0x1d5/0x640 [ 1650.641220] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1650.646395] RIP: 0033:0x7f3c6be997c9 [ 1650.650085] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1650.657773] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1650.665040] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1650.672297] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1650.679548] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1650.686802] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000021 [ 1650.694065] CPU: 0 PID: 11162 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1650.702025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1650.711357] Call Trace: [ 1650.713933] dump_stack+0x1b2/0x281 [ 1650.717544] should_fail.cold+0x10a/0x149 [ 1650.721677] should_failslab+0xd6/0x130 [ 1650.725634] kmem_cache_alloc+0x28e/0x3c0 [ 1650.729766] start_transaction+0x27c/0xf30 [ 1650.733988] ? vfs_fsync_range+0x260/0x260 [ 1650.738203] btrfs_attach_transaction_barrier+0x22/0x80 [ 1650.743547] btrfs_sync_fs+0xcd/0x430 [ 1650.747331] ? btrfs_freeze+0xb0/0xb0 [ 1650.751110] ? vfs_fsync_range+0x260/0x260 [ 1650.755325] sync_fs_one_sb+0xb1/0xe0 [ 1650.759107] iterate_supers+0x124/0x490 [ 1650.763108] sys_sync+0x9a/0x130 [ 1650.766455] ? vfs_fsync+0x210/0x210 [ 1650.770151] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1650.775144] ? vfs_fsync+0x210/0x210 [ 1650.778840] do_syscall_64+0x1d5/0x640 [ 1650.782711] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1650.787880] RIP: 0033:0x7f3c6be997c9 [ 1650.791569] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1650.799260] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1650.806512] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1650.813764] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1650.821018] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1650.828286] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000020 executing program executing program executing program [ 1650.989841] FAULT_INJECTION: forcing a failure. [ 1650.989841] name failslab, interval 1, probability 0, space 0, times 0 [ 1651.002689] FAULT_INJECTION: forcing a failure. [ 1651.002689] name failslab, interval 1, probability 0, space 0, times 0 [ 1651.015125] CPU: 0 PID: 11193 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1651.023094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1651.032438] Call Trace: [ 1651.035023] dump_stack+0x1b2/0x281 [ 1651.038651] should_fail.cold+0x10a/0x149 [ 1651.042801] should_failslab+0xd6/0x130 [ 1651.046774] kmem_cache_alloc+0x28e/0x3c0 [ 1651.050915] start_transaction+0x27c/0xf30 [ 1651.055148] ? vfs_fsync_range+0x260/0x260 [ 1651.059391] btrfs_attach_transaction_barrier+0x22/0x80 [ 1651.064737] btrfs_sync_fs+0xcd/0x430 [ 1651.068523] ? btrfs_freeze+0xb0/0xb0 [ 1651.072309] ? vfs_fsync_range+0x260/0x260 [ 1651.076528] sync_fs_one_sb+0xb1/0xe0 [ 1651.080315] iterate_supers+0x124/0x490 [ 1651.084278] sys_sync+0x9a/0x130 [ 1651.087637] ? vfs_fsync+0x210/0x210 [ 1651.091337] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1651.096344] ? vfs_fsync+0x210/0x210 [ 1651.100045] do_syscall_64+0x1d5/0x640 [ 1651.103921] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1651.109092] RIP: 0033:0x7f3c6be997c9 [ 1651.112782] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1651.120472] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1651.127721] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1651.134983] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1651.142238] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1651.149492] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000020 [ 1651.156761] CPU: 1 PID: 11189 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1651.164723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1651.174061] Call Trace: [ 1651.176632] dump_stack+0x1b2/0x281 [ 1651.180264] should_fail.cold+0x10a/0x149 [ 1651.184422] ? sync_fs_one_sb+0xb1/0xe0 [ 1651.188381] should_failslab+0xd6/0x130 [ 1651.192339] kmem_cache_alloc_node+0x54/0x410 [ 1651.196823] create_task_io_context+0x2a/0x3c0 [ 1651.201389] generic_make_request_checks+0x1350/0x19f0 [ 1651.206651] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1651.211041] ? flush_workqueue+0x129/0x1310 [ 1651.215342] ? flush_workqueue+0x49b/0x1310 [ 1651.219645] generic_make_request+0x67/0x850 [ 1651.224036] ? mempool_alloc+0x10e/0x2d0 [ 1651.228080] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1651.233532] ? blk_queue_exit+0x1d0/0x1d0 [ 1651.237663] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1651.242661] ? kmem_cache_alloc+0x35f/0x3c0 [ 1651.246981] submit_bio+0x234/0x390 [ 1651.250596] ? generic_make_request+0x850/0x850 [ 1651.255254] ? __lockdep_init_map+0x100/0x560 [ 1651.259731] ? __lockdep_init_map+0x100/0x560 [ 1651.264222] submit_bio_wait+0xe8/0x140 [ 1651.268176] ? submit_bio_wait_endio+0xb0/0xb0 [ 1651.272746] blkdev_issue_flush+0x218/0x320 [ 1651.277069] ext4_sync_fs+0x46f/0x7e0 [ 1651.280854] ? bdev_try_to_free_page+0x150/0x150 [ 1651.285592] ? iterate_supers+0xda/0x490 [ 1651.289637] ? bdev_try_to_free_page+0x150/0x150 [ 1651.294374] ? vfs_fsync_range+0x260/0x260 [ 1651.298589] sync_fs_one_sb+0xb1/0xe0 [ 1651.302371] iterate_supers+0x124/0x490 [ 1651.306351] sys_sync+0x9a/0x130 [ 1651.309700] ? vfs_fsync+0x210/0x210 [ 1651.313409] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1651.318406] ? vfs_fsync+0x210/0x210 [ 1651.322103] do_syscall_64+0x1d5/0x640 [ 1651.325977] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1651.331149] RIP: 0033:0x7f3c6be997c9 executing program executing program [ 1651.334839] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1651.342528] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1651.349779] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1651.357027] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1651.364280] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1651.371529] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000022 [ 1651.423482] FAULT_INJECTION: forcing a failure. [ 1651.423482] name failslab, interval 1, probability 0, space 0, times 0 [ 1651.440448] CPU: 0 PID: 11203 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1651.448430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1651.457781] Call Trace: [ 1651.460371] dump_stack+0x1b2/0x281 [ 1651.464002] should_fail.cold+0x10a/0x149 [ 1651.468149] ? sync_fs_one_sb+0xb1/0xe0 [ 1651.472138] should_failslab+0xd6/0x130 [ 1651.476112] kmem_cache_alloc_node+0x54/0x410 [ 1651.480706] create_task_io_context+0x2a/0x3c0 [ 1651.485271] generic_make_request_checks+0x1350/0x19f0 [ 1651.490528] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1651.494920] ? flush_workqueue+0x129/0x1310 [ 1651.499217] ? flush_workqueue+0x49b/0x1310 [ 1651.503557] generic_make_request+0x67/0x850 [ 1651.507947] ? mempool_alloc+0x10e/0x2d0 [ 1651.511993] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1651.517424] ? blk_queue_exit+0x1d0/0x1d0 [ 1651.521552] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1651.526550] ? kmem_cache_alloc+0x35f/0x3c0 [ 1651.530858] submit_bio+0x234/0x390 [ 1651.534469] ? generic_make_request+0x850/0x850 [ 1651.539123] ? __lockdep_init_map+0x100/0x560 [ 1651.543600] ? __lockdep_init_map+0x100/0x560 [ 1651.548079] submit_bio_wait+0xe8/0x140 [ 1651.552035] ? submit_bio_wait_endio+0xb0/0xb0 [ 1651.556598] blkdev_issue_flush+0x218/0x320 [ 1651.560918] ext4_sync_fs+0x46f/0x7e0 [ 1651.564699] ? bdev_try_to_free_page+0x150/0x150 [ 1651.569433] ? iterate_supers+0xda/0x490 [ 1651.573472] ? bdev_try_to_free_page+0x150/0x150 [ 1651.578207] ? vfs_fsync_range+0x260/0x260 [ 1651.582422] sync_fs_one_sb+0xb1/0xe0 [ 1651.586199] iterate_supers+0x124/0x490 [ 1651.590153] sys_sync+0x9a/0x130 [ 1651.593537] ? vfs_fsync+0x210/0x210 [ 1651.597235] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1651.602251] ? vfs_fsync+0x210/0x210 [ 1651.606314] do_syscall_64+0x1d5/0x640 [ 1651.610193] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1651.615361] RIP: 0033:0x7f3c6be997c9 executing program [ 1651.619047] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1651.626734] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1651.633983] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1651.641232] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1651.648500] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1651.655767] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000021 [ 1651.699060] FAULT_INJECTION: forcing a failure. [ 1651.699060] name failslab, interval 1, probability 0, space 0, times 0 [ 1651.710848] CPU: 1 PID: 11197 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1651.718813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1651.728159] Call Trace: [ 1651.730741] dump_stack+0x1b2/0x281 [ 1651.734370] should_fail.cold+0x10a/0x149 [ 1651.738611] should_failslab+0xd6/0x130 [ 1651.742586] kmem_cache_alloc+0x28e/0x3c0 [ 1651.747109] start_transaction+0x27c/0xf30 [ 1651.751340] ? vfs_fsync_range+0x260/0x260 [ 1651.755571] btrfs_attach_transaction_barrier+0x22/0x80 [ 1651.760927] btrfs_sync_fs+0xcd/0x430 [ 1651.764727] ? btrfs_freeze+0xb0/0xb0 [ 1651.768509] ? vfs_fsync_range+0x260/0x260 [ 1651.772726] sync_fs_one_sb+0xb1/0xe0 [ 1651.776514] iterate_supers+0x124/0x490 [ 1651.780473] sys_sync+0x9a/0x130 [ 1651.783820] ? vfs_fsync+0x210/0x210 [ 1651.787515] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1651.792517] ? vfs_fsync+0x210/0x210 [ 1651.796217] do_syscall_64+0x1d5/0x640 [ 1651.800090] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1651.805260] RIP: 0033:0x7f3c6be997c9 [ 1651.808952] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1651.816736] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1651.823987] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1651.831240] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1651.838495] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 executing program [ 1651.845917] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000021 [ 1651.855434] FAULT_INJECTION: forcing a failure. [ 1651.855434] name failslab, interval 1, probability 0, space 0, times 0 [ 1651.879459] CPU: 0 PID: 11206 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1651.887427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1651.896773] Call Trace: [ 1651.899358] dump_stack+0x1b2/0x281 [ 1651.902985] should_fail.cold+0x10a/0x149 [ 1651.907131] should_failslab+0xd6/0x130 [ 1651.911122] kmem_cache_alloc+0x28e/0x3c0 [ 1651.915269] start_transaction+0x27c/0xf30 [ 1651.919498] ? vfs_fsync_range+0x260/0x260 [ 1651.923722] btrfs_attach_transaction_barrier+0x22/0x80 [ 1651.929068] btrfs_sync_fs+0xcd/0x430 [ 1651.932853] ? btrfs_freeze+0xb0/0xb0 [ 1651.936644] ? vfs_fsync_range+0x260/0x260 [ 1651.940858] sync_fs_one_sb+0xb1/0xe0 [ 1651.944636] iterate_supers+0x124/0x490 [ 1651.948587] sys_sync+0x9a/0x130 [ 1651.951936] ? vfs_fsync+0x210/0x210 [ 1651.955631] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1651.960624] ? vfs_fsync+0x210/0x210 [ 1651.964329] do_syscall_64+0x1d5/0x640 [ 1651.968207] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1651.973376] RIP: 0033:0x7f3c6be997c9 [ 1651.977065] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1651.984752] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1651.992001] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1651.999248] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1652.006497] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1652.013744] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000043 executing program executing program [ 1652.080697] FAULT_INJECTION: forcing a failure. [ 1652.080697] name failslab, interval 1, probability 0, space 0, times 0 [ 1652.098971] CPU: 0 PID: 11215 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1652.106950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1652.116298] Call Trace: [ 1652.118876] dump_stack+0x1b2/0x281 [ 1652.122484] should_fail.cold+0x10a/0x149 [ 1652.126611] ? sync_fs_one_sb+0xb1/0xe0 [ 1652.130564] should_failslab+0xd6/0x130 [ 1652.134518] kmem_cache_alloc_node+0x54/0x410 [ 1652.138992] create_task_io_context+0x2a/0x3c0 [ 1652.143556] generic_make_request_checks+0x1350/0x19f0 [ 1652.148816] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1652.153226] ? flush_workqueue+0x129/0x1310 [ 1652.157636] ? flush_workqueue+0x49b/0x1310 [ 1652.161950] generic_make_request+0x67/0x850 [ 1652.166347] ? mempool_alloc+0x10e/0x2d0 [ 1652.170506] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1652.175941] ? blk_queue_exit+0x1d0/0x1d0 [ 1652.180069] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1652.185066] ? kmem_cache_alloc+0x35f/0x3c0 [ 1652.189371] submit_bio+0x234/0x390 [ 1652.192977] ? generic_make_request+0x850/0x850 [ 1652.197628] ? __lockdep_init_map+0x100/0x560 [ 1652.202105] ? __lockdep_init_map+0x100/0x560 [ 1652.206598] submit_bio_wait+0xe8/0x140 [ 1652.210563] ? submit_bio_wait_endio+0xb0/0xb0 [ 1652.215135] blkdev_issue_flush+0x218/0x320 [ 1652.219440] ext4_sync_fs+0x46f/0x7e0 [ 1652.223230] ? bdev_try_to_free_page+0x150/0x150 [ 1652.227971] ? iterate_supers+0xda/0x490 [ 1652.232012] ? bdev_try_to_free_page+0x150/0x150 [ 1652.236748] ? vfs_fsync_range+0x260/0x260 [ 1652.240961] sync_fs_one_sb+0xb1/0xe0 [ 1652.244740] iterate_supers+0x124/0x490 [ 1652.248739] sys_sync+0x9a/0x130 [ 1652.252089] ? vfs_fsync+0x210/0x210 [ 1652.255783] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1652.260779] ? vfs_fsync+0x210/0x210 [ 1652.264478] do_syscall_64+0x1d5/0x640 [ 1652.268357] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1652.273536] RIP: 0033:0x7f3c6be997c9 [ 1652.277236] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1652.284929] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1652.292182] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1652.299443] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1652.306694] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1652.313942] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000022 [ 1652.339818] FAULT_INJECTION: forcing a failure. [ 1652.339818] name failslab, interval 1, probability 0, space 0, times 0 [ 1652.341090] FAULT_INJECTION: forcing a failure. [ 1652.341090] name failslab, interval 1, probability 0, space 0, times 0 [ 1652.351383] FAULT_INJECTION: forcing a failure. [ 1652.351383] name failslab, interval 1, probability 0, space 0, times 0 [ 1652.366329] CPU: 0 PID: 11233 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1652.381537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1652.390870] Call Trace: [ 1652.393476] dump_stack+0x1b2/0x281 [ 1652.397088] should_fail.cold+0x10a/0x149 [ 1652.401222] ? sync_fs_one_sb+0xb1/0xe0 [ 1652.405191] should_failslab+0xd6/0x130 [ 1652.409154] kmem_cache_alloc_node+0x54/0x410 [ 1652.413637] create_task_io_context+0x2a/0x3c0 [ 1652.418206] generic_make_request_checks+0x1350/0x19f0 [ 1652.423467] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1652.427858] ? flush_workqueue+0x129/0x1310 [ 1652.432161] ? flush_workqueue+0x49b/0x1310 [ 1652.436465] generic_make_request+0x67/0x850 [ 1652.440858] ? mempool_alloc+0x10e/0x2d0 [ 1652.444898] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1652.450328] ? blk_queue_exit+0x1d0/0x1d0 [ 1652.454458] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1652.459456] ? kmem_cache_alloc+0x35f/0x3c0 [ 1652.463759] submit_bio+0x234/0x390 [ 1652.467370] ? generic_make_request+0x850/0x850 [ 1652.472043] ? __lockdep_init_map+0x100/0x560 [ 1652.476528] ? __lockdep_init_map+0x100/0x560 [ 1652.481007] submit_bio_wait+0xe8/0x140 [ 1652.484963] ? submit_bio_wait_endio+0xb0/0xb0 [ 1652.489534] blkdev_issue_flush+0x218/0x320 [ 1652.493839] ext4_sync_fs+0x46f/0x7e0 [ 1652.497623] ? bdev_try_to_free_page+0x150/0x150 [ 1652.502358] ? iterate_supers+0xda/0x490 [ 1652.506404] ? bdev_try_to_free_page+0x150/0x150 [ 1652.511139] ? vfs_fsync_range+0x260/0x260 [ 1652.515359] sync_fs_one_sb+0xb1/0xe0 [ 1652.519145] iterate_supers+0x124/0x490 [ 1652.523106] sys_sync+0x9a/0x130 [ 1652.526453] ? vfs_fsync+0x210/0x210 [ 1652.530221] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1652.535216] ? vfs_fsync+0x210/0x210 [ 1652.538910] do_syscall_64+0x1d5/0x640 [ 1652.542782] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1652.547953] RIP: 0033:0x7f3c6be997c9 [ 1652.551655] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1652.559353] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1652.566605] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1652.573860] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1652.581127] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1652.588376] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000023 [ 1652.595638] CPU: 1 PID: 11221 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1652.603605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1652.612947] Call Trace: [ 1652.615518] dump_stack+0x1b2/0x281 [ 1652.619133] should_fail.cold+0x10a/0x149 [ 1652.623262] ? sync_fs_one_sb+0xb1/0xe0 [ 1652.627222] should_failslab+0xd6/0x130 [ 1652.631180] kmem_cache_alloc_node+0x54/0x410 [ 1652.635662] create_task_io_context+0x2a/0x3c0 [ 1652.640229] generic_make_request_checks+0x1350/0x19f0 [ 1652.645489] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1652.649877] ? flush_workqueue+0x129/0x1310 [ 1652.654182] ? flush_workqueue+0x49b/0x1310 [ 1652.658490] generic_make_request+0x67/0x850 [ 1652.662879] ? mempool_alloc+0x10e/0x2d0 [ 1652.666936] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1652.672364] ? blk_queue_exit+0x1d0/0x1d0 [ 1652.676494] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1652.681491] ? kmem_cache_alloc+0x35f/0x3c0 [ 1652.685794] submit_bio+0x234/0x390 [ 1652.689404] ? generic_make_request+0x850/0x850 [ 1652.694053] ? __lockdep_init_map+0x100/0x560 [ 1652.698528] ? __lockdep_init_map+0x100/0x560 [ 1652.703008] submit_bio_wait+0xe8/0x140 [ 1652.706989] ? submit_bio_wait_endio+0xb0/0xb0 [ 1652.711579] blkdev_issue_flush+0x218/0x320 [ 1652.715882] ext4_sync_fs+0x46f/0x7e0 [ 1652.719672] ? bdev_try_to_free_page+0x150/0x150 [ 1652.724409] ? iterate_supers+0xda/0x490 [ 1652.728450] ? bdev_try_to_free_page+0x150/0x150 [ 1652.733187] ? vfs_fsync_range+0x260/0x260 [ 1652.737399] sync_fs_one_sb+0xb1/0xe0 [ 1652.741182] iterate_supers+0x124/0x490 [ 1652.745231] sys_sync+0x9a/0x130 [ 1652.748583] ? vfs_fsync+0x210/0x210 [ 1652.752283] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1652.757282] ? vfs_fsync+0x210/0x210 [ 1652.760975] do_syscall_64+0x1d5/0x640 [ 1652.764847] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1652.770019] RIP: 0033:0x7f3c6be997c9 [ 1652.773710] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1652.781399] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1652.788648] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1652.795899] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1652.803148] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1652.810400] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000022 [ 1652.829954] CPU: 1 PID: 11234 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1652.837925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1652.847269] Call Trace: [ 1652.849857] dump_stack+0x1b2/0x281 [ 1652.853485] should_fail.cold+0x10a/0x149 [ 1652.857631] should_failslab+0xd6/0x130 [ 1652.861609] kmem_cache_alloc+0x28e/0x3c0 [ 1652.865753] start_transaction+0x27c/0xf30 [ 1652.869992] ? vfs_fsync_range+0x260/0x260 [ 1652.874226] btrfs_attach_transaction_barrier+0x22/0x80 [ 1652.879586] btrfs_sync_fs+0xcd/0x430 [ 1652.883384] ? btrfs_freeze+0xb0/0xb0 [ 1652.887190] ? vfs_fsync_range+0x260/0x260 [ 1652.891419] sync_fs_one_sb+0xb1/0xe0 [ 1652.895211] iterate_supers+0x124/0x490 [ 1652.899181] sys_sync+0x9a/0x130 [ 1652.902543] ? vfs_fsync+0x210/0x210 [ 1652.906261] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1652.911271] ? vfs_fsync+0x210/0x210 [ 1652.914974] do_syscall_64+0x1d5/0x640 [ 1652.918861] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1652.924043] RIP: 0033:0x7f3c6be997c9 [ 1652.927740] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1652.935426] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 executing program executing program [ 1652.942678] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1652.949928] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1652.957208] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1652.964458] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000021 executing program executing program [ 1653.092997] FAULT_INJECTION: forcing a failure. [ 1653.092997] name failslab, interval 1, probability 0, space 0, times 0 [ 1653.096599] FAULT_INJECTION: forcing a failure. [ 1653.096599] name failslab, interval 1, probability 0, space 0, times 0 [ 1653.107113] FAULT_INJECTION: forcing a failure. [ 1653.107113] name failslab, interval 1, probability 0, space 0, times 0 executing program [ 1653.142589] CPU: 0 PID: 11245 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1653.150570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1653.159913] Call Trace: [ 1653.162492] dump_stack+0x1b2/0x281 [ 1653.166114] should_fail.cold+0x10a/0x149 [ 1653.170246] ? sync_fs_one_sb+0xb1/0xe0 [ 1653.174207] should_failslab+0xd6/0x130 [ 1653.178173] kmem_cache_alloc_node+0x54/0x410 [ 1653.182762] create_task_io_context+0x2a/0x3c0 [ 1653.187330] generic_make_request_checks+0x1350/0x19f0 [ 1653.192597] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1653.196991] ? flush_workqueue+0x129/0x1310 [ 1653.201300] ? flush_workqueue+0x49b/0x1310 [ 1653.205614] generic_make_request+0x67/0x850 [ 1653.210006] ? mempool_alloc+0x10e/0x2d0 [ 1653.214056] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1653.219493] ? blk_queue_exit+0x1d0/0x1d0 [ 1653.223660] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1653.228684] ? kmem_cache_alloc+0x35f/0x3c0 [ 1653.232999] submit_bio+0x234/0x390 [ 1653.236614] ? generic_make_request+0x850/0x850 [ 1653.241268] ? __lockdep_init_map+0x100/0x560 [ 1653.245746] ? __lockdep_init_map+0x100/0x560 [ 1653.250228] submit_bio_wait+0xe8/0x140 [ 1653.254214] ? submit_bio_wait_endio+0xb0/0xb0 [ 1653.258793] blkdev_issue_flush+0x218/0x320 [ 1653.263113] ext4_sync_fs+0x46f/0x7e0 [ 1653.266900] ? bdev_try_to_free_page+0x150/0x150 [ 1653.271637] ? iterate_supers+0xda/0x490 [ 1653.275679] ? bdev_try_to_free_page+0x150/0x150 [ 1653.280427] ? vfs_fsync_range+0x260/0x260 [ 1653.284650] sync_fs_one_sb+0xb1/0xe0 [ 1653.288435] iterate_supers+0x124/0x490 [ 1653.292395] sys_sync+0x9a/0x130 [ 1653.295752] ? vfs_fsync+0x210/0x210 [ 1653.299450] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1653.304471] ? vfs_fsync+0x210/0x210 [ 1653.308167] do_syscall_64+0x1d5/0x640 [ 1653.312046] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1653.317218] RIP: 0033:0x7f3c6be997c9 [ 1653.320910] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1653.328597] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1653.335846] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1653.343097] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1653.350345] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1653.357598] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000044 [ 1653.364863] CPU: 1 PID: 11244 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1653.372831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1653.382175] Call Trace: [ 1653.384761] dump_stack+0x1b2/0x281 [ 1653.388385] should_fail.cold+0x10a/0x149 [ 1653.392524] should_failslab+0xd6/0x130 [ 1653.396488] kmem_cache_alloc+0x28e/0x3c0 [ 1653.400627] start_transaction+0x27c/0xf30 [ 1653.404854] ? vfs_fsync_range+0x260/0x260 [ 1653.409077] btrfs_attach_transaction_barrier+0x22/0x80 [ 1653.414438] btrfs_sync_fs+0xcd/0x430 [ 1653.418283] ? btrfs_freeze+0xb0/0xb0 [ 1653.422066] ? vfs_fsync_range+0x260/0x260 [ 1653.426281] sync_fs_one_sb+0xb1/0xe0 [ 1653.430061] iterate_supers+0x124/0x490 [ 1653.434016] sys_sync+0x9a/0x130 [ 1653.437364] ? vfs_fsync+0x210/0x210 [ 1653.441063] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1653.446059] ? vfs_fsync+0x210/0x210 [ 1653.449759] do_syscall_64+0x1d5/0x640 [ 1653.453635] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1653.458809] RIP: 0033:0x7f3c6be997c9 [ 1653.462498] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1653.470186] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1653.477436] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1653.484687] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1653.491935] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1653.499194] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000022 [ 1653.506465] CPU: 0 PID: 11255 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1653.514518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1653.523859] Call Trace: [ 1653.526441] dump_stack+0x1b2/0x281 [ 1653.530069] should_fail.cold+0x10a/0x149 [ 1653.534211] should_failslab+0xd6/0x130 [ 1653.538180] kmem_cache_alloc+0x28e/0x3c0 [ 1653.542326] start_transaction+0x27c/0xf30 [ 1653.546560] ? vfs_fsync_range+0x260/0x260 [ 1653.550786] btrfs_attach_transaction_barrier+0x22/0x80 [ 1653.556147] btrfs_sync_fs+0xcd/0x430 [ 1653.559939] ? btrfs_freeze+0xb0/0xb0 [ 1653.563738] ? vfs_fsync_range+0x260/0x260 [ 1653.567970] sync_fs_one_sb+0xb1/0xe0 [ 1653.571766] iterate_supers+0x124/0x490 [ 1653.575736] sys_sync+0x9a/0x130 [ 1653.579101] ? vfs_fsync+0x210/0x210 [ 1653.582796] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1653.587792] ? vfs_fsync+0x210/0x210 [ 1653.591493] do_syscall_64+0x1d5/0x640 [ 1653.595360] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1653.600526] RIP: 0033:0x7f3c6be997c9 [ 1653.604211] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1653.611892] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1653.619139] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1653.626391] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1653.633644] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 executing program [ 1653.640895] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000023 [ 1653.680328] FAULT_INJECTION: forcing a failure. [ 1653.680328] name failslab, interval 1, probability 0, space 0, times 0 [ 1653.680864] FAULT_INJECTION: forcing a failure. [ 1653.680864] name failslab, interval 1, probability 0, space 0, times 0 [ 1653.703145] FAULT_INJECTION: forcing a failure. [ 1653.703145] name failslab, interval 1, probability 0, space 0, times 0 [ 1653.715189] CPU: 1 PID: 11270 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1653.723156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1653.732491] Call Trace: [ 1653.735063] dump_stack+0x1b2/0x281 [ 1653.738678] should_fail.cold+0x10a/0x149 [ 1653.742806] ? sync_fs_one_sb+0xb1/0xe0 [ 1653.746761] should_failslab+0xd6/0x130 [ 1653.750717] kmem_cache_alloc_node+0x54/0x410 [ 1653.755204] create_task_io_context+0x2a/0x3c0 [ 1653.759767] generic_make_request_checks+0x1350/0x19f0 [ 1653.765029] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1653.769420] ? flush_workqueue+0x129/0x1310 [ 1653.773742] ? flush_workqueue+0x49b/0x1310 [ 1653.778051] generic_make_request+0x67/0x850 [ 1653.782441] ? mempool_alloc+0x10e/0x2d0 [ 1653.786482] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1653.792087] ? blk_queue_exit+0x1d0/0x1d0 [ 1653.796215] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1653.801211] ? kmem_cache_alloc+0x35f/0x3c0 [ 1653.805517] submit_bio+0x234/0x390 [ 1653.809129] ? generic_make_request+0x850/0x850 [ 1653.813781] ? __lockdep_init_map+0x100/0x560 [ 1653.818275] ? __lockdep_init_map+0x100/0x560 [ 1653.822753] submit_bio_wait+0xe8/0x140 [ 1653.826708] ? submit_bio_wait_endio+0xb0/0xb0 [ 1653.831277] blkdev_issue_flush+0x218/0x320 [ 1653.835581] ext4_sync_fs+0x46f/0x7e0 [ 1653.839380] ? bdev_try_to_free_page+0x150/0x150 [ 1653.844130] ? iterate_supers+0xda/0x490 [ 1653.848187] ? bdev_try_to_free_page+0x150/0x150 [ 1653.852932] ? vfs_fsync_range+0x260/0x260 [ 1653.857151] sync_fs_one_sb+0xb1/0xe0 [ 1653.860932] iterate_supers+0x124/0x490 [ 1653.864892] sys_sync+0x9a/0x130 [ 1653.868241] ? vfs_fsync+0x210/0x210 [ 1653.871967] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1653.876965] ? vfs_fsync+0x210/0x210 [ 1653.880659] do_syscall_64+0x1d5/0x640 [ 1653.884531] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1653.889702] RIP: 0033:0x7f3c6be997c9 [ 1653.893396] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1653.901107] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1653.908360] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1653.915616] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1653.922876] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1653.930172] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000024 [ 1653.937433] CPU: 0 PID: 11261 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1653.945397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1653.954739] Call Trace: [ 1653.957328] dump_stack+0x1b2/0x281 [ 1653.960956] should_fail.cold+0x10a/0x149 [ 1653.965115] ? sync_fs_one_sb+0xb1/0xe0 [ 1653.969095] should_failslab+0xd6/0x130 [ 1653.973067] kmem_cache_alloc_node+0x54/0x410 [ 1653.977559] create_task_io_context+0x2a/0x3c0 [ 1653.982138] generic_make_request_checks+0x1350/0x19f0 [ 1653.987411] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1653.991812] ? flush_workqueue+0x129/0x1310 [ 1653.996131] ? flush_workqueue+0x49b/0x1310 [ 1654.000454] generic_make_request+0x67/0x850 [ 1654.004861] ? mempool_alloc+0x10e/0x2d0 [ 1654.008916] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1654.014355] ? blk_queue_exit+0x1d0/0x1d0 [ 1654.018498] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1654.023508] ? kmem_cache_alloc+0x35f/0x3c0 [ 1654.027834] submit_bio+0x234/0x390 [ 1654.031463] ? generic_make_request+0x850/0x850 [ 1654.036116] ? __lockdep_init_map+0x100/0x560 [ 1654.040587] ? __lockdep_init_map+0x100/0x560 [ 1654.045073] submit_bio_wait+0xe8/0x140 [ 1654.049027] ? submit_bio_wait_endio+0xb0/0xb0 [ 1654.053591] blkdev_issue_flush+0x218/0x320 [ 1654.057895] ext4_sync_fs+0x46f/0x7e0 [ 1654.061678] ? bdev_try_to_free_page+0x150/0x150 [ 1654.066416] ? iterate_supers+0xda/0x490 [ 1654.070463] ? bdev_try_to_free_page+0x150/0x150 [ 1654.075198] ? vfs_fsync_range+0x260/0x260 [ 1654.079413] sync_fs_one_sb+0xb1/0xe0 [ 1654.083201] iterate_supers+0x124/0x490 [ 1654.087158] sys_sync+0x9a/0x130 [ 1654.090506] ? vfs_fsync+0x210/0x210 [ 1654.094211] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1654.099246] ? vfs_fsync+0x210/0x210 [ 1654.103052] do_syscall_64+0x1d5/0x640 [ 1654.106941] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1654.112111] RIP: 0033:0x7f3c6be997c9 [ 1654.115800] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1654.123604] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1654.130855] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1654.138103] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1654.145350] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1654.152598] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000022 [ 1654.161691] CPU: 0 PID: 11262 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1654.169663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1654.179014] Call Trace: executing program [ 1654.181597] dump_stack+0x1b2/0x281 [ 1654.185229] should_fail.cold+0x10a/0x149 [ 1654.189385] should_failslab+0xd6/0x130 [ 1654.193363] kmem_cache_alloc+0x28e/0x3c0 [ 1654.197507] start_transaction+0x27c/0xf30 [ 1654.201742] ? vfs_fsync_range+0x260/0x260 [ 1654.205984] btrfs_attach_transaction_barrier+0x22/0x80 [ 1654.211343] btrfs_sync_fs+0xcd/0x430 [ 1654.215132] ? btrfs_freeze+0xb0/0xb0 [ 1654.218921] ? vfs_fsync_range+0x260/0x260 [ 1654.223140] sync_fs_one_sb+0xb1/0xe0 [ 1654.226927] iterate_supers+0x124/0x490 [ 1654.230908] sys_sync+0x9a/0x130 [ 1654.234256] ? vfs_fsync+0x210/0x210 [ 1654.237949] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1654.243034] ? vfs_fsync+0x210/0x210 [ 1654.246733] do_syscall_64+0x1d5/0x640 [ 1654.250614] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1654.255823] RIP: 0033:0x7f3c6be997c9 [ 1654.260652] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1654.268340] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1654.275589] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1654.282843] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1654.290089] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1654.297338] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000023 executing program executing program [ 1654.381506] FAULT_INJECTION: forcing a failure. [ 1654.381506] name failslab, interval 1, probability 0, space 0, times 0 [ 1654.394013] CPU: 0 PID: 11279 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1654.401982] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1654.411331] Call Trace: [ 1654.413916] dump_stack+0x1b2/0x281 [ 1654.417549] should_fail.cold+0x10a/0x149 [ 1654.421695] ? sync_fs_one_sb+0xb1/0xe0 [ 1654.425670] should_failslab+0xd6/0x130 [ 1654.429643] kmem_cache_alloc_node+0x54/0x410 [ 1654.434146] create_task_io_context+0x2a/0x3c0 [ 1654.438726] generic_make_request_checks+0x1350/0x19f0 [ 1654.443994] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1654.448390] ? flush_workqueue+0x129/0x1310 [ 1654.452725] ? flush_workqueue+0x49b/0x1310 [ 1654.457029] generic_make_request+0x67/0x850 [ 1654.461418] ? mempool_alloc+0x10e/0x2d0 [ 1654.465462] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1654.470998] ? blk_queue_exit+0x1d0/0x1d0 [ 1654.475131] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1654.480141] ? kmem_cache_alloc+0x35f/0x3c0 [ 1654.484446] submit_bio+0x234/0x390 [ 1654.488056] ? generic_make_request+0x850/0x850 [ 1654.492702] ? __lockdep_init_map+0x100/0x560 [ 1654.497313] ? __lockdep_init_map+0x100/0x560 [ 1654.501912] submit_bio_wait+0xe8/0x140 [ 1654.505873] ? submit_bio_wait_endio+0xb0/0xb0 [ 1654.510442] blkdev_issue_flush+0x218/0x320 [ 1654.514750] ext4_sync_fs+0x46f/0x7e0 [ 1654.518537] ? bdev_try_to_free_page+0x150/0x150 [ 1654.523279] ? iterate_supers+0xda/0x490 [ 1654.527435] ? bdev_try_to_free_page+0x150/0x150 [ 1654.532174] ? vfs_fsync_range+0x260/0x260 [ 1654.536428] sync_fs_one_sb+0xb1/0xe0 [ 1654.540217] iterate_supers+0x124/0x490 [ 1654.544183] sys_sync+0x9a/0x130 [ 1654.547544] ? vfs_fsync+0x210/0x210 [ 1654.551243] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1654.556236] ? vfs_fsync+0x210/0x210 [ 1654.559933] do_syscall_64+0x1d5/0x640 [ 1654.563802] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1654.568972] RIP: 0033:0x7f3c6be997c9 [ 1654.572658] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1654.580364] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1654.587614] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1654.594863] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1654.602133] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1654.609410] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000024 [ 1654.630339] FAULT_INJECTION: forcing a failure. [ 1654.630339] name failslab, interval 1, probability 0, space 0, times 0 [ 1654.631311] FAULT_INJECTION: forcing a failure. [ 1654.631311] name failslab, interval 1, probability 0, space 0, times 0 [ 1654.642650] CPU: 0 PID: 11287 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1654.660898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1654.670269] Call Trace: [ 1654.672858] dump_stack+0x1b2/0x281 [ 1654.676483] should_fail.cold+0x10a/0x149 [ 1654.680616] ? sync_fs_one_sb+0xb1/0xe0 [ 1654.684575] should_failslab+0xd6/0x130 [ 1654.688535] kmem_cache_alloc_node+0x54/0x410 [ 1654.693017] create_task_io_context+0x2a/0x3c0 [ 1654.697584] generic_make_request_checks+0x1350/0x19f0 [ 1654.702851] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1654.707244] ? flush_workqueue+0x129/0x1310 [ 1654.711549] ? flush_workqueue+0x49b/0x1310 [ 1654.715857] generic_make_request+0x67/0x850 [ 1654.720250] ? mempool_alloc+0x10e/0x2d0 [ 1654.724296] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1654.729727] ? blk_queue_exit+0x1d0/0x1d0 [ 1654.733857] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1654.738872] ? kmem_cache_alloc+0x35f/0x3c0 [ 1654.743175] submit_bio+0x234/0x390 [ 1654.746785] ? generic_make_request+0x850/0x850 [ 1654.751436] ? __lockdep_init_map+0x100/0x560 [ 1654.755930] ? __lockdep_init_map+0x100/0x560 [ 1654.760407] submit_bio_wait+0xe8/0x140 [ 1654.764364] ? submit_bio_wait_endio+0xb0/0xb0 [ 1654.768960] blkdev_issue_flush+0x218/0x320 [ 1654.773282] ext4_sync_fs+0x46f/0x7e0 [ 1654.777071] ? bdev_try_to_free_page+0x150/0x150 [ 1654.781805] ? iterate_supers+0xda/0x490 [ 1654.785851] ? bdev_try_to_free_page+0x150/0x150 [ 1654.790593] ? vfs_fsync_range+0x260/0x260 [ 1654.794806] sync_fs_one_sb+0xb1/0xe0 [ 1654.798587] iterate_supers+0x124/0x490 [ 1654.802551] sys_sync+0x9a/0x130 [ 1654.805898] ? vfs_fsync+0x210/0x210 [ 1654.809598] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1654.814594] ? vfs_fsync+0x210/0x210 [ 1654.818288] do_syscall_64+0x1d5/0x640 [ 1654.822161] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1654.827349] RIP: 0033:0x7f3c6be997c9 [ 1654.831062] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1654.838751] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1654.846011] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1654.853269] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1654.860523] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1654.867780] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000023 [ 1654.875052] CPU: 1 PID: 11290 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1654.883014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1654.892352] Call Trace: [ 1654.894943] dump_stack+0x1b2/0x281 [ 1654.898558] should_fail.cold+0x10a/0x149 [ 1654.902690] ? sync_fs_one_sb+0xb1/0xe0 [ 1654.906655] should_failslab+0xd6/0x130 [ 1654.910615] kmem_cache_alloc_node+0x54/0x410 [ 1654.915094] create_task_io_context+0x2a/0x3c0 [ 1654.919672] generic_make_request_checks+0x1350/0x19f0 [ 1654.924945] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1654.929340] ? flush_workqueue+0x129/0x1310 [ 1654.933667] ? flush_workqueue+0x49b/0x1310 [ 1654.937977] generic_make_request+0x67/0x850 [ 1654.942366] ? mempool_alloc+0x10e/0x2d0 [ 1654.946409] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1654.951845] ? blk_queue_exit+0x1d0/0x1d0 [ 1654.955980] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1654.960982] ? kmem_cache_alloc+0x35f/0x3c0 [ 1654.965288] submit_bio+0x234/0x390 [ 1654.968911] ? generic_make_request+0x850/0x850 [ 1654.973565] ? __lockdep_init_map+0x100/0x560 [ 1654.978051] ? __lockdep_init_map+0x100/0x560 [ 1654.982537] submit_bio_wait+0xe8/0x140 [ 1654.986505] ? submit_bio_wait_endio+0xb0/0xb0 [ 1654.991104] blkdev_issue_flush+0x218/0x320 [ 1654.995410] ext4_sync_fs+0x46f/0x7e0 [ 1654.999210] ? bdev_try_to_free_page+0x150/0x150 [ 1655.003967] ? iterate_supers+0xda/0x490 [ 1655.008011] ? bdev_try_to_free_page+0x150/0x150 [ 1655.012749] ? vfs_fsync_range+0x260/0x260 [ 1655.016964] sync_fs_one_sb+0xb1/0xe0 [ 1655.020745] iterate_supers+0x124/0x490 [ 1655.024700] sys_sync+0x9a/0x130 [ 1655.028048] ? vfs_fsync+0x210/0x210 [ 1655.031744] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1655.036738] ? vfs_fsync+0x210/0x210 [ 1655.040429] do_syscall_64+0x1d5/0x640 [ 1655.044312] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1655.049482] RIP: 0033:0x7f3c6be997c9 [ 1655.053170] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1655.060855] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1655.068099] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1655.075342] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 executing program executing program [ 1655.082596] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1655.089846] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000025 executing program [ 1655.152383] FAULT_INJECTION: forcing a failure. [ 1655.152383] name failslab, interval 1, probability 0, space 0, times 0 [ 1655.163806] FAULT_INJECTION: forcing a failure. [ 1655.163806] name failslab, interval 1, probability 0, space 0, times 0 [ 1655.177036] CPU: 0 PID: 11302 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1655.185004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1655.191556] FAULT_INJECTION: forcing a failure. [ 1655.191556] name failslab, interval 1, probability 0, space 0, times 0 [ 1655.194342] Call Trace: [ 1655.194355] dump_stack+0x1b2/0x281 [ 1655.194368] should_fail.cold+0x10a/0x149 [ 1655.194382] ? sync_fs_one_sb+0xb1/0xe0 [ 1655.194396] should_failslab+0xd6/0x130 [ 1655.223797] kmem_cache_alloc_node+0x54/0x410 [ 1655.228314] create_task_io_context+0x2a/0x3c0 [ 1655.232901] generic_make_request_checks+0x1350/0x19f0 [ 1655.238173] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1655.242573] ? flush_workqueue+0x129/0x1310 [ 1655.246895] ? flush_workqueue+0x49b/0x1310 [ 1655.251212] generic_make_request+0x67/0x850 [ 1655.255613] ? mempool_alloc+0x10e/0x2d0 [ 1655.259672] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1655.265113] ? blk_queue_exit+0x1d0/0x1d0 [ 1655.269248] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1655.274252] ? kmem_cache_alloc+0x35f/0x3c0 [ 1655.278557] submit_bio+0x234/0x390 [ 1655.282165] ? generic_make_request+0x850/0x850 [ 1655.286813] ? __lockdep_init_map+0x100/0x560 [ 1655.291287] ? __lockdep_init_map+0x100/0x560 [ 1655.295764] submit_bio_wait+0xe8/0x140 [ 1655.299719] ? submit_bio_wait_endio+0xb0/0xb0 [ 1655.304309] blkdev_issue_flush+0x218/0x320 [ 1655.308619] ext4_sync_fs+0x46f/0x7e0 [ 1655.312405] ? bdev_try_to_free_page+0x150/0x150 [ 1655.317160] ? iterate_supers+0xda/0x490 [ 1655.321216] ? bdev_try_to_free_page+0x150/0x150 [ 1655.325959] ? vfs_fsync_range+0x260/0x260 [ 1655.330226] sync_fs_one_sb+0xb1/0xe0 [ 1655.334007] iterate_supers+0x124/0x490 [ 1655.337965] sys_sync+0x9a/0x130 [ 1655.341315] ? vfs_fsync+0x210/0x210 [ 1655.345015] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1655.350014] ? vfs_fsync+0x210/0x210 [ 1655.353709] do_syscall_64+0x1d5/0x640 [ 1655.357582] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1655.362753] RIP: 0033:0x7f3c6be997c9 [ 1655.366444] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1655.374130] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1655.381385] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1655.388638] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1655.395890] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1655.403138] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000024 [ 1655.410401] CPU: 1 PID: 11305 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1655.418370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1655.427707] Call Trace: [ 1655.430284] dump_stack+0x1b2/0x281 [ 1655.433911] should_fail.cold+0x10a/0x149 [ 1655.438051] should_failslab+0xd6/0x130 [ 1655.442016] kmem_cache_alloc+0x28e/0x3c0 [ 1655.446149] start_transaction+0x27c/0xf30 [ 1655.450374] ? vfs_fsync_range+0x260/0x260 [ 1655.454683] btrfs_attach_transaction_barrier+0x22/0x80 [ 1655.460024] btrfs_sync_fs+0xcd/0x430 [ 1655.463805] ? btrfs_freeze+0xb0/0xb0 [ 1655.467589] ? vfs_fsync_range+0x260/0x260 [ 1655.471802] sync_fs_one_sb+0xb1/0xe0 [ 1655.475584] iterate_supers+0x124/0x490 [ 1655.479541] sys_sync+0x9a/0x130 [ 1655.482888] ? vfs_fsync+0x210/0x210 [ 1655.486584] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1655.491579] ? vfs_fsync+0x210/0x210 [ 1655.495272] do_syscall_64+0x1d5/0x640 [ 1655.499144] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1655.504312] RIP: 0033:0x7f3c6be997c9 [ 1655.508004] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1655.515691] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1655.522960] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1655.530223] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1655.537472] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1655.544727] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000045 [ 1655.551996] CPU: 0 PID: 11303 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1655.559965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1655.569306] Call Trace: [ 1655.571893] dump_stack+0x1b2/0x281 [ 1655.575520] should_fail.cold+0x10a/0x149 [ 1655.579662] ? sync_fs_one_sb+0xb1/0xe0 [ 1655.583619] should_failslab+0xd6/0x130 [ 1655.587576] kmem_cache_alloc_node+0x54/0x410 [ 1655.592051] create_task_io_context+0x2a/0x3c0 [ 1655.596612] generic_make_request_checks+0x1350/0x19f0 [ 1655.601872] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1655.606261] ? flush_workqueue+0x129/0x1310 [ 1655.610561] ? flush_workqueue+0x49b/0x1310 [ 1655.614864] generic_make_request+0x67/0x850 [ 1655.619251] ? mempool_alloc+0x10e/0x2d0 [ 1655.623297] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1655.628725] ? blk_queue_exit+0x1d0/0x1d0 [ 1655.632855] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1655.637854] ? kmem_cache_alloc+0x35f/0x3c0 [ 1655.642156] submit_bio+0x234/0x390 [ 1655.645760] ? generic_make_request+0x850/0x850 [ 1655.650409] ? __lockdep_init_map+0x100/0x560 [ 1655.654884] ? __lockdep_init_map+0x100/0x560 [ 1655.659363] submit_bio_wait+0xe8/0x140 [ 1655.663327] ? submit_bio_wait_endio+0xb0/0xb0 [ 1655.667897] blkdev_issue_flush+0x218/0x320 [ 1655.672200] ext4_sync_fs+0x46f/0x7e0 [ 1655.675981] ? bdev_try_to_free_page+0x150/0x150 [ 1655.680711] ? iterate_supers+0xda/0x490 [ 1655.684751] ? bdev_try_to_free_page+0x150/0x150 [ 1655.689489] ? vfs_fsync_range+0x260/0x260 [ 1655.693710] sync_fs_one_sb+0xb1/0xe0 [ 1655.697488] iterate_supers+0x124/0x490 [ 1655.701446] sys_sync+0x9a/0x130 [ 1655.704793] ? vfs_fsync+0x210/0x210 [ 1655.708488] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1655.713483] ? vfs_fsync+0x210/0x210 [ 1655.717203] do_syscall_64+0x1d5/0x640 [ 1655.721072] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1655.726239] RIP: 0033:0x7f3c6be997c9 [ 1655.729930] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1655.737615] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1655.744865] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 executing program [ 1655.752112] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1655.759359] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1655.766607] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000023 executing program [ 1655.859872] FAULT_INJECTION: forcing a failure. [ 1655.859872] name failslab, interval 1, probability 0, space 0, times 0 [ 1655.879056] CPU: 0 PID: 11320 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1655.887043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1655.896388] Call Trace: [ 1655.898963] dump_stack+0x1b2/0x281 [ 1655.902571] should_fail.cold+0x10a/0x149 [ 1655.906698] ? sync_fs_one_sb+0xb1/0xe0 [ 1655.910747] should_failslab+0xd6/0x130 [ 1655.914734] kmem_cache_alloc_node+0x54/0x410 [ 1655.919236] create_task_io_context+0x2a/0x3c0 [ 1655.923802] generic_make_request_checks+0x1350/0x19f0 [ 1655.929063] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1655.933459] ? flush_workqueue+0x129/0x1310 [ 1655.937764] ? flush_workqueue+0x49b/0x1310 [ 1655.942074] generic_make_request+0x67/0x850 [ 1655.946469] ? mempool_alloc+0x10e/0x2d0 [ 1655.950509] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1655.955939] ? blk_queue_exit+0x1d0/0x1d0 [ 1655.960068] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1655.965063] ? kmem_cache_alloc+0x35f/0x3c0 [ 1655.969365] submit_bio+0x234/0x390 [ 1655.972997] ? generic_make_request+0x850/0x850 [ 1655.977645] ? __lockdep_init_map+0x100/0x560 [ 1655.982135] ? __lockdep_init_map+0x100/0x560 [ 1655.986610] submit_bio_wait+0xe8/0x140 [ 1655.990563] ? submit_bio_wait_endio+0xb0/0xb0 [ 1655.995129] blkdev_issue_flush+0x218/0x320 [ 1655.999431] ext4_sync_fs+0x46f/0x7e0 [ 1656.003212] ? bdev_try_to_free_page+0x150/0x150 [ 1656.007946] ? iterate_supers+0xda/0x490 [ 1656.011986] ? bdev_try_to_free_page+0x150/0x150 [ 1656.016737] ? vfs_fsync_range+0x260/0x260 [ 1656.020953] sync_fs_one_sb+0xb1/0xe0 [ 1656.024745] iterate_supers+0x124/0x490 [ 1656.028719] sys_sync+0x9a/0x130 [ 1656.032066] ? vfs_fsync+0x210/0x210 [ 1656.035761] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1656.040754] ? vfs_fsync+0x210/0x210 [ 1656.044447] do_syscall_64+0x1d5/0x640 [ 1656.048345] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1656.053542] RIP: 0033:0x7f3c6be997c9 executing program [ 1656.057242] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1656.064936] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1656.072189] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1656.079442] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1656.086696] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1656.093945] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000025 executing program [ 1656.154464] FAULT_INJECTION: forcing a failure. [ 1656.154464] name failslab, interval 1, probability 0, space 0, times 0 [ 1656.155966] FAULT_INJECTION: forcing a failure. [ 1656.155966] name failslab, interval 1, probability 0, space 0, times 0 [ 1656.167366] FAULT_INJECTION: forcing a failure. [ 1656.167366] name failslab, interval 1, probability 0, space 0, times 0 [ 1656.179060] CPU: 1 PID: 11334 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1656.196264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1656.205606] Call Trace: [ 1656.208180] dump_stack+0x1b2/0x281 [ 1656.211790] should_fail.cold+0x10a/0x149 [ 1656.215921] ? sync_fs_one_sb+0xb1/0xe0 [ 1656.219881] should_failslab+0xd6/0x130 [ 1656.223852] kmem_cache_alloc_node+0x54/0x410 [ 1656.228357] create_task_io_context+0x2a/0x3c0 [ 1656.233020] generic_make_request_checks+0x1350/0x19f0 [ 1656.238288] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1656.242687] ? flush_workqueue+0x129/0x1310 [ 1656.246991] ? flush_workqueue+0x49b/0x1310 [ 1656.251296] generic_make_request+0x67/0x850 [ 1656.255707] ? mempool_alloc+0x10e/0x2d0 [ 1656.259754] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1656.265189] ? blk_queue_exit+0x1d0/0x1d0 [ 1656.269322] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1656.274324] ? kmem_cache_alloc+0x35f/0x3c0 [ 1656.278634] submit_bio+0x234/0x390 [ 1656.282250] ? generic_make_request+0x850/0x850 [ 1656.286901] ? __lockdep_init_map+0x100/0x560 [ 1656.291377] ? __lockdep_init_map+0x100/0x560 [ 1656.295855] submit_bio_wait+0xe8/0x140 [ 1656.299813] ? submit_bio_wait_endio+0xb0/0xb0 [ 1656.304381] blkdev_issue_flush+0x218/0x320 [ 1656.308693] ext4_sync_fs+0x46f/0x7e0 [ 1656.312482] ? bdev_try_to_free_page+0x150/0x150 [ 1656.317217] ? iterate_supers+0xda/0x490 [ 1656.321260] ? bdev_try_to_free_page+0x150/0x150 [ 1656.325996] ? vfs_fsync_range+0x260/0x260 [ 1656.330221] sync_fs_one_sb+0xb1/0xe0 [ 1656.334016] iterate_supers+0x124/0x490 [ 1656.337984] sys_sync+0x9a/0x130 [ 1656.341332] ? vfs_fsync+0x210/0x210 [ 1656.345038] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1656.350037] ? vfs_fsync+0x210/0x210 [ 1656.353737] do_syscall_64+0x1d5/0x640 [ 1656.357611] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1656.362780] RIP: 0033:0x7f3c6be997c9 [ 1656.366469] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1656.374158] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1656.381406] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1656.388661] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1656.395920] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1656.403170] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000024 [ 1656.411654] CPU: 1 PID: 11324 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1656.419627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1656.428968] Call Trace: [ 1656.431552] dump_stack+0x1b2/0x281 [ 1656.435174] should_fail.cold+0x10a/0x149 [ 1656.439314] should_failslab+0xd6/0x130 [ 1656.443275] kmem_cache_alloc+0x28e/0x3c0 [ 1656.447408] start_transaction+0x27c/0xf30 [ 1656.451630] ? vfs_fsync_range+0x260/0x260 [ 1656.455849] btrfs_attach_transaction_barrier+0x22/0x80 [ 1656.461197] btrfs_sync_fs+0xcd/0x430 [ 1656.464978] ? btrfs_freeze+0xb0/0xb0 [ 1656.468759] ? vfs_fsync_range+0x260/0x260 [ 1656.472976] sync_fs_one_sb+0xb1/0xe0 [ 1656.476763] iterate_supers+0x124/0x490 [ 1656.480718] sys_sync+0x9a/0x130 [ 1656.484062] ? vfs_fsync+0x210/0x210 [ 1656.487760] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1656.492757] ? vfs_fsync+0x210/0x210 [ 1656.496450] do_syscall_64+0x1d5/0x640 [ 1656.500325] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1656.505499] RIP: 0033:0x7f3c6be997c9 [ 1656.509201] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1656.516888] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1656.524138] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1656.531390] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1656.538640] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1656.545891] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000026 [ 1656.553151] CPU: 0 PID: 11331 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1656.561114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1656.570456] Call Trace: [ 1656.573026] dump_stack+0x1b2/0x281 [ 1656.576637] should_fail.cold+0x10a/0x149 [ 1656.580781] ? sync_fs_one_sb+0xb1/0xe0 [ 1656.584737] should_failslab+0xd6/0x130 [ 1656.588694] kmem_cache_alloc_node+0x54/0x410 [ 1656.593172] create_task_io_context+0x2a/0x3c0 [ 1656.597733] generic_make_request_checks+0x1350/0x19f0 [ 1656.602990] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1656.607378] ? flush_workqueue+0x129/0x1310 [ 1656.611680] ? flush_workqueue+0x49b/0x1310 [ 1656.615984] generic_make_request+0x67/0x850 [ 1656.620374] ? mempool_alloc+0x10e/0x2d0 [ 1656.624415] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1656.629844] ? blk_queue_exit+0x1d0/0x1d0 [ 1656.633971] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1656.638966] ? kmem_cache_alloc+0x35f/0x3c0 [ 1656.643268] submit_bio+0x234/0x390 [ 1656.646873] ? generic_make_request+0x850/0x850 [ 1656.651519] ? __lockdep_init_map+0x100/0x560 [ 1656.655994] ? __lockdep_init_map+0x100/0x560 [ 1656.660469] submit_bio_wait+0xe8/0x140 [ 1656.664423] ? submit_bio_wait_endio+0xb0/0xb0 [ 1656.668991] blkdev_issue_flush+0x218/0x320 [ 1656.673294] ext4_sync_fs+0x46f/0x7e0 [ 1656.677073] ? bdev_try_to_free_page+0x150/0x150 [ 1656.681808] ? iterate_supers+0xda/0x490 [ 1656.685851] ? bdev_try_to_free_page+0x150/0x150 [ 1656.690592] ? vfs_fsync_range+0x260/0x260 [ 1656.694829] sync_fs_one_sb+0xb1/0xe0 [ 1656.698607] iterate_supers+0x124/0x490 [ 1656.702566] sys_sync+0x9a/0x130 [ 1656.705912] ? vfs_fsync+0x210/0x210 [ 1656.709607] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1656.714600] ? vfs_fsync+0x210/0x210 [ 1656.718292] do_syscall_64+0x1d5/0x640 [ 1656.722164] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1656.727331] RIP: 0033:0x7f3c6be997c9 [ 1656.731021] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1656.738706] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1656.745955] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1656.753201] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1656.760451] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1656.767697] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000046 executing program executing program executing program executing program [ 1656.901184] FAULT_INJECTION: forcing a failure. [ 1656.901184] name failslab, interval 1, probability 0, space 0, times 0 [ 1656.903511] FAULT_INJECTION: forcing a failure. [ 1656.903511] name failslab, interval 1, probability 0, space 0, times 0 [ 1656.912587] FAULT_INJECTION: forcing a failure. [ 1656.912587] name failslab, interval 1, probability 0, space 0, times 0 [ 1656.929798] CPU: 1 PID: 11349 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1656.935063] FAULT_INJECTION: forcing a failure. [ 1656.935063] name failslab, interval 1, probability 0, space 0, times 0 [ 1656.942907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1656.942911] Call Trace: [ 1656.942924] dump_stack+0x1b2/0x281 [ 1656.942936] should_fail.cold+0x10a/0x149 [ 1656.942945] ? sync_fs_one_sb+0xb1/0xe0 [ 1656.942955] should_failslab+0xd6/0x130 [ 1656.942964] kmem_cache_alloc_node+0x54/0x410 [ 1656.942976] create_task_io_context+0x2a/0x3c0 [ 1656.990742] generic_make_request_checks+0x1350/0x19f0 [ 1656.996020] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1657.000419] ? flush_workqueue+0x129/0x1310 [ 1657.004721] ? flush_workqueue+0x49b/0x1310 [ 1657.009035] generic_make_request+0x67/0x850 [ 1657.013429] ? mempool_alloc+0x10e/0x2d0 [ 1657.017479] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1657.022913] ? blk_queue_exit+0x1d0/0x1d0 [ 1657.027079] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1657.032083] ? kmem_cache_alloc+0x35f/0x3c0 [ 1657.036390] submit_bio+0x234/0x390 [ 1657.039999] ? generic_make_request+0x850/0x850 [ 1657.044648] ? __lockdep_init_map+0x100/0x560 [ 1657.049123] ? __lockdep_init_map+0x100/0x560 [ 1657.053603] submit_bio_wait+0xe8/0x140 [ 1657.057557] ? submit_bio_wait_endio+0xb0/0xb0 [ 1657.062135] blkdev_issue_flush+0x218/0x320 [ 1657.066457] ext4_sync_fs+0x46f/0x7e0 [ 1657.070257] ? bdev_try_to_free_page+0x150/0x150 [ 1657.075002] ? iterate_supers+0xda/0x490 [ 1657.079047] ? bdev_try_to_free_page+0x150/0x150 [ 1657.083782] ? vfs_fsync_range+0x260/0x260 [ 1657.087997] sync_fs_one_sb+0xb1/0xe0 [ 1657.091780] iterate_supers+0x124/0x490 [ 1657.095745] sys_sync+0x9a/0x130 [ 1657.099090] ? vfs_fsync+0x210/0x210 [ 1657.102788] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1657.107782] ? vfs_fsync+0x210/0x210 [ 1657.111473] do_syscall_64+0x1d5/0x640 [ 1657.115344] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1657.120510] RIP: 0033:0x7f3c6be997c9 [ 1657.124214] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1657.131900] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1657.139148] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1657.146400] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1657.153648] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1657.160897] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000026 [ 1657.168784] CPU: 0 PID: 11345 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1657.176755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1657.186097] Call Trace: [ 1657.188669] dump_stack+0x1b2/0x281 [ 1657.192279] should_fail.cold+0x10a/0x149 [ 1657.196437] ? sync_fs_one_sb+0xb1/0xe0 [ 1657.200413] should_failslab+0xd6/0x130 [ 1657.204371] kmem_cache_alloc_node+0x54/0x410 [ 1657.208850] create_task_io_context+0x2a/0x3c0 [ 1657.213414] generic_make_request_checks+0x1350/0x19f0 [ 1657.218672] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1657.223061] ? flush_workqueue+0x129/0x1310 [ 1657.227360] ? flush_workqueue+0x49b/0x1310 [ 1657.231663] generic_make_request+0x67/0x850 [ 1657.236055] ? mempool_alloc+0x10e/0x2d0 [ 1657.240096] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1657.245527] ? blk_queue_exit+0x1d0/0x1d0 [ 1657.249658] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1657.254658] ? kmem_cache_alloc+0x35f/0x3c0 [ 1657.258963] submit_bio+0x234/0x390 [ 1657.262583] ? generic_make_request+0x850/0x850 [ 1657.267236] ? __lockdep_init_map+0x100/0x560 [ 1657.271728] ? __lockdep_init_map+0x100/0x560 [ 1657.276217] submit_bio_wait+0xe8/0x140 [ 1657.280175] ? submit_bio_wait_endio+0xb0/0xb0 [ 1657.284748] blkdev_issue_flush+0x218/0x320 [ 1657.289055] ext4_sync_fs+0x46f/0x7e0 [ 1657.292836] ? bdev_try_to_free_page+0x150/0x150 [ 1657.297569] ? iterate_supers+0xda/0x490 [ 1657.301611] ? bdev_try_to_free_page+0x150/0x150 [ 1657.306345] ? vfs_fsync_range+0x260/0x260 [ 1657.310561] sync_fs_one_sb+0xb1/0xe0 [ 1657.314342] iterate_supers+0x124/0x490 [ 1657.318298] sys_sync+0x9a/0x130 [ 1657.321645] ? vfs_fsync+0x210/0x210 [ 1657.325343] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1657.330342] ? vfs_fsync+0x210/0x210 [ 1657.334037] do_syscall_64+0x1d5/0x640 [ 1657.337910] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1657.343097] RIP: 0033:0x7f3c6be997c9 [ 1657.346790] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1657.354476] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1657.361742] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1657.369005] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1657.376257] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1657.383507] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000027 [ 1657.390769] CPU: 1 PID: 11346 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1657.398731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1657.408085] Call Trace: [ 1657.410654] dump_stack+0x1b2/0x281 [ 1657.414264] should_fail.cold+0x10a/0x149 [ 1657.418389] ? sync_fs_one_sb+0xb1/0xe0 [ 1657.422343] should_failslab+0xd6/0x130 [ 1657.426301] kmem_cache_alloc_node+0x54/0x410 [ 1657.430778] create_task_io_context+0x2a/0x3c0 [ 1657.435343] generic_make_request_checks+0x1350/0x19f0 [ 1657.440604] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1657.444992] ? flush_workqueue+0x129/0x1310 [ 1657.449292] ? flush_workqueue+0x49b/0x1310 [ 1657.453593] generic_make_request+0x67/0x850 [ 1657.457996] ? mempool_alloc+0x10e/0x2d0 [ 1657.462034] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1657.467466] ? blk_queue_exit+0x1d0/0x1d0 [ 1657.471592] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1657.476589] ? kmem_cache_alloc+0x35f/0x3c0 [ 1657.480890] submit_bio+0x234/0x390 [ 1657.484498] ? generic_make_request+0x850/0x850 [ 1657.489145] ? __lockdep_init_map+0x100/0x560 [ 1657.493621] ? __lockdep_init_map+0x100/0x560 [ 1657.498099] submit_bio_wait+0xe8/0x140 [ 1657.502068] ? submit_bio_wait_endio+0xb0/0xb0 [ 1657.506635] blkdev_issue_flush+0x218/0x320 [ 1657.510941] ext4_sync_fs+0x46f/0x7e0 [ 1657.514724] ? bdev_try_to_free_page+0x150/0x150 [ 1657.519459] ? iterate_supers+0xda/0x490 [ 1657.523500] ? bdev_try_to_free_page+0x150/0x150 [ 1657.528235] ? vfs_fsync_range+0x260/0x260 [ 1657.532453] sync_fs_one_sb+0xb1/0xe0 [ 1657.536235] iterate_supers+0x124/0x490 [ 1657.540189] sys_sync+0x9a/0x130 [ 1657.543534] ? vfs_fsync+0x210/0x210 [ 1657.547227] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1657.552222] ? vfs_fsync+0x210/0x210 [ 1657.555917] do_syscall_64+0x1d5/0x640 [ 1657.559790] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1657.564960] RIP: 0033:0x7f3c6be997c9 [ 1657.568647] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1657.576337] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1657.583587] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1657.590835] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1657.598087] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1657.605348] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000025 [ 1657.616047] CPU: 0 PID: 11344 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1657.624022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1657.633362] Call Trace: [ 1657.635942] dump_stack+0x1b2/0x281 [ 1657.639565] should_fail.cold+0x10a/0x149 [ 1657.643718] ? sync_fs_one_sb+0xb1/0xe0 [ 1657.647693] should_failslab+0xd6/0x130 [ 1657.651663] kmem_cache_alloc_node+0x54/0x410 [ 1657.656160] create_task_io_context+0x2a/0x3c0 [ 1657.660734] generic_make_request_checks+0x1350/0x19f0 [ 1657.666006] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1657.670410] ? flush_workqueue+0x129/0x1310 [ 1657.674752] ? flush_workqueue+0x49b/0x1310 [ 1657.679062] generic_make_request+0x67/0x850 [ 1657.683450] ? mempool_alloc+0x10e/0x2d0 [ 1657.687488] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1657.692912] ? blk_queue_exit+0x1d0/0x1d0 [ 1657.697038] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1657.702028] ? kmem_cache_alloc+0x35f/0x3c0 [ 1657.706330] submit_bio+0x234/0x390 [ 1657.709936] ? generic_make_request+0x850/0x850 [ 1657.714586] ? __lockdep_init_map+0x100/0x560 [ 1657.719076] ? __lockdep_init_map+0x100/0x560 [ 1657.723567] submit_bio_wait+0xe8/0x140 [ 1657.727529] ? submit_bio_wait_endio+0xb0/0xb0 [ 1657.732093] blkdev_issue_flush+0x218/0x320 [ 1657.736393] ext4_sync_fs+0x46f/0x7e0 [ 1657.740188] ? bdev_try_to_free_page+0x150/0x150 [ 1657.744920] ? iterate_supers+0xda/0x490 [ 1657.748966] ? bdev_try_to_free_page+0x150/0x150 [ 1657.753716] ? vfs_fsync_range+0x260/0x260 [ 1657.757932] sync_fs_one_sb+0xb1/0xe0 [ 1657.761716] iterate_supers+0x124/0x490 [ 1657.765682] sys_sync+0x9a/0x130 [ 1657.769037] ? vfs_fsync+0x210/0x210 [ 1657.772736] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1657.777732] ? vfs_fsync+0x210/0x210 [ 1657.781446] do_syscall_64+0x1d5/0x640 [ 1657.785314] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1657.790481] RIP: 0033:0x7f3c6be997c9 [ 1657.794166] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 executing program [ 1657.801848] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1657.809095] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1657.816348] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1657.823600] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1657.830846] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000024 executing program [ 1657.929021] FAULT_INJECTION: forcing a failure. [ 1657.929021] name failslab, interval 1, probability 0, space 0, times 0 [ 1657.943392] BTRFS info (device loop1): disabling disk space caching [ 1657.963026] BTRFS info (device loop1): has skinny extents [ 1657.990004] CPU: 1 PID: 11362 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1657.997978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1658.007324] Call Trace: [ 1658.009911] dump_stack+0x1b2/0x281 [ 1658.013536] should_fail.cold+0x10a/0x149 [ 1658.017689] ? sync_fs_one_sb+0xb1/0xe0 [ 1658.021665] should_failslab+0xd6/0x130 [ 1658.025619] kmem_cache_alloc_node+0x54/0x410 [ 1658.030102] create_task_io_context+0x2a/0x3c0 [ 1658.034672] generic_make_request_checks+0x1350/0x19f0 [ 1658.039934] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1658.044333] ? flush_workqueue+0x129/0x1310 [ 1658.048644] ? flush_workqueue+0x49b/0x1310 [ 1658.052950] generic_make_request+0x67/0x850 [ 1658.057336] ? mempool_alloc+0x10e/0x2d0 [ 1658.061374] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1658.066800] ? blk_queue_exit+0x1d0/0x1d0 [ 1658.070931] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1658.075930] ? kmem_cache_alloc+0x35f/0x3c0 [ 1658.080230] submit_bio+0x234/0x390 [ 1658.083972] ? generic_make_request+0x850/0x850 [ 1658.088631] ? __lockdep_init_map+0x100/0x560 [ 1658.093114] ? __lockdep_init_map+0x100/0x560 [ 1658.097589] submit_bio_wait+0xe8/0x140 [ 1658.101548] ? submit_bio_wait_endio+0xb0/0xb0 [ 1658.106117] blkdev_issue_flush+0x218/0x320 [ 1658.110428] ext4_sync_fs+0x46f/0x7e0 [ 1658.114216] ? bdev_try_to_free_page+0x150/0x150 [ 1658.118950] ? iterate_supers+0xda/0x490 [ 1658.122989] ? bdev_try_to_free_page+0x150/0x150 [ 1658.127721] ? vfs_fsync_range+0x260/0x260 [ 1658.131933] sync_fs_one_sb+0xb1/0xe0 [ 1658.135714] iterate_supers+0x124/0x490 [ 1658.139677] sys_sync+0x9a/0x130 [ 1658.143034] ? vfs_fsync+0x210/0x210 [ 1658.146745] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1658.151744] ? vfs_fsync+0x210/0x210 [ 1658.155442] do_syscall_64+0x1d5/0x640 [ 1658.159311] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1658.164481] RIP: 0033:0x7f3c6be997c9 [ 1658.168178] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1658.175871] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1658.183117] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1658.190369] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1658.197625] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1658.204869] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000025 [ 1658.254716] BTRFS info (device loop1): checking UUID tree executing program executing program [ 1658.367564] FAULT_INJECTION: forcing a failure. [ 1658.367564] name failslab, interval 1, probability 0, space 0, times 0 [ 1658.387700] CPU: 1 PID: 11398 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1658.395771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1658.405114] Call Trace: [ 1658.407701] dump_stack+0x1b2/0x281 [ 1658.411331] should_fail.cold+0x10a/0x149 [ 1658.415480] should_failslab+0xd6/0x130 [ 1658.419453] kmem_cache_alloc_trace+0x47/0x3d0 [ 1658.424037] bdi_split_work_to_wbs+0x288/0xcf0 [ 1658.428618] ? wb_queue_work+0x480/0x480 [ 1658.432684] ? lock_acquire+0x170/0x3f0 [ 1658.436653] ? sync_inodes_sb+0x156/0x880 [ 1658.440815] sync_inodes_sb+0x168/0x880 [ 1658.444788] ? lock_downgrade+0x740/0x740 [ 1658.448912] ? try_to_writeback_inodes_sb_nr+0x70/0x70 [ 1658.454176] ? call_rwsem_down_read_failed+0x14/0x30 [ 1658.459257] ? SyS_tee+0x9e0/0x9e0 [ 1658.462776] sync_inodes_one_sb+0x3d/0x50 [ 1658.466900] iterate_supers+0x124/0x490 [ 1658.470851] sys_sync+0x78/0x130 [ 1658.474193] ? vfs_fsync+0x210/0x210 [ 1658.477883] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1658.482875] ? vfs_fsync+0x210/0x210 [ 1658.486618] do_syscall_64+0x1d5/0x640 [ 1658.490492] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1658.495663] RIP: 0033:0x7f3c6be997c9 [ 1658.499349] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1658.507039] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1658.514285] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1658.521530] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1658.528776] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1658.536025] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000028 [ 1658.553194] FAULT_INJECTION: forcing a failure. [ 1658.553194] name failslab, interval 1, probability 0, space 0, times 0 [ 1658.564457] CPU: 1 PID: 11372 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1658.572409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1658.581741] Call Trace: [ 1658.584309] dump_stack+0x1b2/0x281 [ 1658.587923] should_fail.cold+0x10a/0x149 [ 1658.592051] ? lock_downgrade+0x740/0x740 [ 1658.596180] ? mempool_free+0x1d0/0x1d0 [ 1658.600139] should_failslab+0xd6/0x130 [ 1658.604101] kmem_cache_alloc+0x40/0x3c0 [ 1658.608160] ? mempool_free+0x1d0/0x1d0 [ 1658.612115] mempool_alloc+0x10e/0x2d0 [ 1658.615982] ? remove_element.isra.0+0x1b0/0x1b0 [ 1658.620735] ? flush_workqueue+0x40e/0x1310 [ 1658.625057] ? check_preemption_disabled+0x35/0x240 [ 1658.630063] bio_alloc_bioset+0x41b/0x830 [ 1658.634194] ? bvec_alloc+0x2d0/0x2d0 [ 1658.638079] blkdev_issue_flush+0xeb/0x320 [ 1658.642291] ext4_sync_fs+0x46f/0x7e0 [ 1658.646068] ? bdev_try_to_free_page+0x150/0x150 [ 1658.650799] ? iterate_supers+0xda/0x490 [ 1658.654839] ? bdev_try_to_free_page+0x150/0x150 [ 1658.659579] ? vfs_fsync_range+0x260/0x260 [ 1658.663797] sync_fs_one_sb+0xb1/0xe0 [ 1658.667574] iterate_supers+0x124/0x490 [ 1658.671527] sys_sync+0x9a/0x130 [ 1658.674876] ? vfs_fsync+0x210/0x210 [ 1658.678577] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1658.683578] ? vfs_fsync+0x210/0x210 [ 1658.687271] do_syscall_64+0x1d5/0x640 [ 1658.691138] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1658.696314] RIP: 0033:0x7f3c6be997c9 [ 1658.700005] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1658.707698] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1658.714946] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1658.722192] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1658.729443] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1658.736697] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000047 [ 1658.759134] FAULT_INJECTION: forcing a failure. [ 1658.759134] name failslab, interval 1, probability 0, space 0, times 0 [ 1658.770892] CPU: 1 PID: 11406 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1658.778859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1658.788208] Call Trace: [ 1658.790787] dump_stack+0x1b2/0x281 [ 1658.794411] should_fail.cold+0x10a/0x149 [ 1658.798558] ? lock_downgrade+0x740/0x740 [ 1658.802705] ? mempool_free+0x1d0/0x1d0 [ 1658.806676] should_failslab+0xd6/0x130 [ 1658.810652] kmem_cache_alloc+0x40/0x3c0 [ 1658.814708] ? mempool_free+0x1d0/0x1d0 [ 1658.818685] mempool_alloc+0x10e/0x2d0 [ 1658.822569] ? remove_element.isra.0+0x1b0/0x1b0 [ 1658.827320] ? flush_workqueue+0x40e/0x1310 [ 1658.831642] ? check_preemption_disabled+0x35/0x240 [ 1658.836669] bio_alloc_bioset+0x41b/0x830 [ 1658.840819] ? bvec_alloc+0x2d0/0x2d0 [ 1658.844621] blkdev_issue_flush+0xeb/0x320 [ 1658.848852] ext4_sync_fs+0x46f/0x7e0 [ 1658.852673] ? bdev_try_to_free_page+0x150/0x150 [ 1658.857420] ? iterate_supers+0xda/0x490 [ 1658.861463] ? bdev_try_to_free_page+0x150/0x150 [ 1658.866199] ? vfs_fsync_range+0x260/0x260 [ 1658.870413] sync_fs_one_sb+0xb1/0xe0 [ 1658.874192] iterate_supers+0x124/0x490 [ 1658.878147] sys_sync+0x9a/0x130 [ 1658.881496] ? vfs_fsync+0x210/0x210 [ 1658.885215] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1658.890211] ? vfs_fsync+0x210/0x210 [ 1658.893901] do_syscall_64+0x1d5/0x640 [ 1658.897774] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1658.902940] RIP: 0033:0x7f3c6be997c9 [ 1658.906655] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 executing program executing program [ 1658.914341] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1658.921592] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1658.928840] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1658.936088] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1658.943361] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000025 executing program executing program [ 1659.028774] FAULT_INJECTION: forcing a failure. [ 1659.028774] name failslab, interval 1, probability 0, space 0, times 0 [ 1659.040577] FAULT_INJECTION: forcing a failure. [ 1659.040577] name failslab, interval 1, probability 0, space 0, times 0 [ 1659.042232] FAULT_INJECTION: forcing a failure. [ 1659.042232] name failslab, interval 1, probability 0, space 0, times 0 [ 1659.060915] CPU: 1 PID: 11424 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1659.070999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1659.080339] Call Trace: [ 1659.082912] dump_stack+0x1b2/0x281 [ 1659.086524] should_fail.cold+0x10a/0x149 [ 1659.090653] should_failslab+0xd6/0x130 [ 1659.094609] kmem_cache_alloc+0x28e/0x3c0 [ 1659.098738] start_transaction+0x27c/0xf30 [ 1659.102956] ? vfs_fsync_range+0x260/0x260 [ 1659.107168] btrfs_attach_transaction_barrier+0x22/0x80 [ 1659.112513] btrfs_sync_fs+0xcd/0x430 [ 1659.116297] ? btrfs_freeze+0xb0/0xb0 [ 1659.120078] ? vfs_fsync_range+0x260/0x260 [ 1659.124294] sync_fs_one_sb+0xb1/0xe0 [ 1659.128076] iterate_supers+0x124/0x490 [ 1659.132037] sys_sync+0x9a/0x130 [ 1659.135398] ? vfs_fsync+0x210/0x210 [ 1659.139107] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1659.144102] ? vfs_fsync+0x210/0x210 [ 1659.147796] do_syscall_64+0x1d5/0x640 [ 1659.151667] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1659.156835] RIP: 0033:0x7f3c6be997c9 [ 1659.160522] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1659.168224] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1659.175473] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1659.182846] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1659.190105] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1659.197367] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000026 [ 1659.211561] CPU: 0 PID: 11418 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1659.219541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1659.228890] Call Trace: [ 1659.231474] dump_stack+0x1b2/0x281 [ 1659.235099] should_fail.cold+0x10a/0x149 [ 1659.239244] ? sync_fs_one_sb+0xb1/0xe0 [ 1659.243221] should_failslab+0xd6/0x130 [ 1659.247193] kmem_cache_alloc_node+0x54/0x410 [ 1659.251683] create_task_io_context+0x2a/0x3c0 [ 1659.256260] generic_make_request_checks+0x1350/0x19f0 [ 1659.261537] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1659.265932] ? flush_workqueue+0x129/0x1310 [ 1659.270243] ? flush_workqueue+0x49b/0x1310 [ 1659.274551] generic_make_request+0x67/0x850 [ 1659.278942] ? mempool_alloc+0x10e/0x2d0 [ 1659.282990] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1659.288421] ? blk_queue_exit+0x1d0/0x1d0 [ 1659.292550] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1659.297587] ? kmem_cache_alloc+0x35f/0x3c0 [ 1659.301898] submit_bio+0x234/0x390 [ 1659.305510] ? generic_make_request+0x850/0x850 [ 1659.310160] ? __lockdep_init_map+0x100/0x560 [ 1659.314634] ? __lockdep_init_map+0x100/0x560 [ 1659.319110] submit_bio_wait+0xe8/0x140 [ 1659.323062] ? submit_bio_wait_endio+0xb0/0xb0 [ 1659.327628] blkdev_issue_flush+0x218/0x320 [ 1659.331930] ext4_sync_fs+0x46f/0x7e0 [ 1659.335711] ? bdev_try_to_free_page+0x150/0x150 [ 1659.340443] ? iterate_supers+0xda/0x490 [ 1659.344514] ? bdev_try_to_free_page+0x150/0x150 [ 1659.349250] ? vfs_fsync_range+0x260/0x260 [ 1659.353463] sync_fs_one_sb+0xb1/0xe0 [ 1659.357247] iterate_supers+0x124/0x490 [ 1659.361217] sys_sync+0x9a/0x130 [ 1659.364596] ? vfs_fsync+0x210/0x210 [ 1659.368381] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1659.373379] ? vfs_fsync+0x210/0x210 [ 1659.377076] do_syscall_64+0x1d5/0x640 [ 1659.380956] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1659.386129] RIP: 0033:0x7f3c6be997c9 [ 1659.389821] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1659.397512] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1659.404777] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1659.412023] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1659.419274] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1659.426536] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000027 [ 1659.442562] CPU: 0 PID: 11421 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1659.450535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1659.459882] Call Trace: [ 1659.462469] dump_stack+0x1b2/0x281 [ 1659.466094] should_fail.cold+0x10a/0x149 [ 1659.470238] ? sync_fs_one_sb+0xb1/0xe0 [ 1659.474210] should_failslab+0xd6/0x130 [ 1659.478180] kmem_cache_alloc_node+0x54/0x410 [ 1659.482675] create_task_io_context+0x2a/0x3c0 [ 1659.487336] generic_make_request_checks+0x1350/0x19f0 [ 1659.492594] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1659.496984] ? flush_workqueue+0x129/0x1310 [ 1659.501288] ? flush_workqueue+0x49b/0x1310 [ 1659.505590] generic_make_request+0x67/0x850 [ 1659.509997] ? mempool_alloc+0x10e/0x2d0 [ 1659.514042] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1659.519470] ? blk_queue_exit+0x1d0/0x1d0 [ 1659.523601] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1659.528597] ? kmem_cache_alloc+0x35f/0x3c0 [ 1659.532900] submit_bio+0x234/0x390 [ 1659.536514] ? generic_make_request+0x850/0x850 [ 1659.541168] ? __lockdep_init_map+0x100/0x560 [ 1659.545640] ? __lockdep_init_map+0x100/0x560 [ 1659.550110] submit_bio_wait+0xe8/0x140 [ 1659.554064] ? submit_bio_wait_endio+0xb0/0xb0 [ 1659.558639] blkdev_issue_flush+0x218/0x320 [ 1659.562949] ext4_sync_fs+0x46f/0x7e0 [ 1659.566727] ? bdev_try_to_free_page+0x150/0x150 [ 1659.571464] ? iterate_supers+0xda/0x490 [ 1659.575500] ? bdev_try_to_free_page+0x150/0x150 [ 1659.580336] ? vfs_fsync_range+0x260/0x260 [ 1659.584549] sync_fs_one_sb+0xb1/0xe0 [ 1659.588325] iterate_supers+0x124/0x490 [ 1659.592280] sys_sync+0x9a/0x130 [ 1659.595624] ? vfs_fsync+0x210/0x210 [ 1659.599315] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1659.604305] ? vfs_fsync+0x210/0x210 [ 1659.608002] do_syscall_64+0x1d5/0x640 [ 1659.611878] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1659.617069] RIP: 0033:0x7f3c6be997c9 [ 1659.620764] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1659.628459] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1659.635725] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1659.642974] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1659.650234] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1659.657486] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000026 executing program executing program [ 1659.682926] FAULT_INJECTION: forcing a failure. [ 1659.682926] name failslab, interval 1, probability 0, space 0, times 0 [ 1659.719436] CPU: 1 PID: 11429 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1659.727418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1659.736937] Call Trace: [ 1659.739534] dump_stack+0x1b2/0x281 [ 1659.743164] should_fail.cold+0x10a/0x149 [ 1659.747314] should_failslab+0xd6/0x130 [ 1659.751285] kmem_cache_alloc+0x28e/0x3c0 [ 1659.755429] start_transaction+0x27c/0xf30 [ 1659.759669] ? vfs_fsync_range+0x260/0x260 [ 1659.763898] btrfs_attach_transaction_barrier+0x22/0x80 [ 1659.769256] btrfs_sync_fs+0xcd/0x430 [ 1659.773052] ? btrfs_freeze+0xb0/0xb0 [ 1659.776848] ? vfs_fsync_range+0x260/0x260 [ 1659.781081] sync_fs_one_sb+0xb1/0xe0 [ 1659.784877] iterate_supers+0x124/0x490 [ 1659.788848] sys_sync+0x9a/0x130 [ 1659.792208] ? vfs_fsync+0x210/0x210 [ 1659.795918] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1659.800925] ? vfs_fsync+0x210/0x210 [ 1659.804632] do_syscall_64+0x1d5/0x640 [ 1659.808521] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1659.813700] RIP: 0033:0x7f3c6be997c9 [ 1659.817399] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1659.825098] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 executing program [ 1659.832357] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1659.839618] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1659.846884] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1659.854147] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000026 executing program [ 1659.948982] FAULT_INJECTION: forcing a failure. [ 1659.948982] name failslab, interval 1, probability 0, space 0, times 0 [ 1659.960522] FAULT_INJECTION: forcing a failure. [ 1659.960522] name failslab, interval 1, probability 0, space 0, times 0 [ 1659.972268] FAULT_INJECTION: forcing a failure. [ 1659.972268] name failslab, interval 1, probability 0, space 0, times 0 [ 1659.972976] FAULT_INJECTION: forcing a failure. [ 1659.972976] name failslab, interval 1, probability 0, space 0, times 0 [ 1659.983996] CPU: 0 PID: 11451 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1660.002782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1660.012123] Call Trace: [ 1660.014722] dump_stack+0x1b2/0x281 [ 1660.018336] should_fail.cold+0x10a/0x149 [ 1660.022472] ? sync_fs_one_sb+0xb1/0xe0 [ 1660.026430] should_failslab+0xd6/0x130 [ 1660.030390] kmem_cache_alloc_node+0x54/0x410 [ 1660.034878] create_task_io_context+0x2a/0x3c0 [ 1660.039445] generic_make_request_checks+0x1350/0x19f0 [ 1660.044711] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1660.049109] ? flush_workqueue+0x129/0x1310 [ 1660.053419] ? trace_hardirqs_on+0x10/0x10 [ 1660.057639] generic_make_request+0x67/0x850 [ 1660.062033] ? mempool_alloc+0x10e/0x2d0 [ 1660.066075] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1660.071508] ? blk_queue_exit+0x1d0/0x1d0 [ 1660.075640] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1660.080658] ? kmem_cache_alloc+0x35f/0x3c0 [ 1660.084973] submit_bio+0x234/0x390 [ 1660.088591] ? generic_make_request+0x850/0x850 [ 1660.093240] ? __lockdep_init_map+0x100/0x560 [ 1660.097714] ? __lockdep_init_map+0x100/0x560 [ 1660.102192] submit_bio_wait+0xe8/0x140 [ 1660.106148] ? submit_bio_wait_endio+0xb0/0xb0 [ 1660.110718] blkdev_issue_flush+0x218/0x320 [ 1660.115035] ext4_sync_fs+0x46f/0x7e0 [ 1660.118839] ? bdev_try_to_free_page+0x150/0x150 [ 1660.123578] ? iterate_supers+0xda/0x490 [ 1660.127622] ? bdev_try_to_free_page+0x150/0x150 [ 1660.132359] ? vfs_fsync_range+0x260/0x260 [ 1660.136572] sync_fs_one_sb+0xb1/0xe0 [ 1660.140355] iterate_supers+0x124/0x490 [ 1660.144311] sys_sync+0x9a/0x130 [ 1660.147656] ? vfs_fsync+0x210/0x210 [ 1660.151353] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1660.156346] ? vfs_fsync+0x210/0x210 [ 1660.160043] do_syscall_64+0x1d5/0x640 [ 1660.163918] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1660.169090] RIP: 0033:0x7f3c6be997c9 [ 1660.172779] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1660.180467] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1660.187718] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1660.194974] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1660.202249] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1660.209507] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000027 [ 1660.216779] CPU: 1 PID: 11455 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1660.224909] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1660.234255] Call Trace: [ 1660.236834] dump_stack+0x1b2/0x281 [ 1660.240459] should_fail.cold+0x10a/0x149 [ 1660.244619] ? sync_fs_one_sb+0xb1/0xe0 [ 1660.248580] should_failslab+0xd6/0x130 [ 1660.252538] kmem_cache_alloc_node+0x54/0x410 [ 1660.257019] create_task_io_context+0x2a/0x3c0 [ 1660.261584] generic_make_request_checks+0x1350/0x19f0 [ 1660.266855] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1660.271254] ? flush_workqueue+0x129/0x1310 [ 1660.275564] ? flush_workqueue+0x49b/0x1310 [ 1660.279867] generic_make_request+0x67/0x850 [ 1660.284282] ? mempool_alloc+0x10e/0x2d0 [ 1660.288341] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1660.293781] ? blk_queue_exit+0x1d0/0x1d0 [ 1660.297914] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1660.302916] ? kmem_cache_alloc+0x35f/0x3c0 [ 1660.307226] submit_bio+0x234/0x390 [ 1660.310829] ? generic_make_request+0x850/0x850 [ 1660.315474] ? __lockdep_init_map+0x100/0x560 [ 1660.319947] ? __lockdep_init_map+0x100/0x560 [ 1660.324418] submit_bio_wait+0xe8/0x140 [ 1660.328372] ? submit_bio_wait_endio+0xb0/0xb0 [ 1660.332944] blkdev_issue_flush+0x218/0x320 [ 1660.337244] ext4_sync_fs+0x46f/0x7e0 [ 1660.341025] ? bdev_try_to_free_page+0x150/0x150 [ 1660.345760] ? iterate_supers+0xda/0x490 [ 1660.349798] ? bdev_try_to_free_page+0x150/0x150 [ 1660.354532] ? vfs_fsync_range+0x260/0x260 [ 1660.358740] sync_fs_one_sb+0xb1/0xe0 [ 1660.362517] iterate_supers+0x124/0x490 [ 1660.366470] sys_sync+0x9a/0x130 [ 1660.369812] ? vfs_fsync+0x210/0x210 [ 1660.373506] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1660.378496] ? vfs_fsync+0x210/0x210 [ 1660.382187] do_syscall_64+0x1d5/0x640 [ 1660.386064] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1660.391229] RIP: 0033:0x7f3c6be997c9 [ 1660.394916] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1660.402618] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1660.409890] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1660.417139] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1660.424388] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1660.431635] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000029 [ 1660.447823] CPU: 0 PID: 11443 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1660.455800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1660.465142] Call Trace: [ 1660.467721] dump_stack+0x1b2/0x281 [ 1660.471338] should_fail.cold+0x10a/0x149 [ 1660.475511] ? sync_fs_one_sb+0xb1/0xe0 [ 1660.479488] should_failslab+0xd6/0x130 [ 1660.483455] kmem_cache_alloc_node+0x54/0x410 [ 1660.487948] create_task_io_context+0x2a/0x3c0 [ 1660.492530] generic_make_request_checks+0x1350/0x19f0 [ 1660.497806] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1660.502203] ? flush_workqueue+0x129/0x1310 [ 1660.506513] ? flush_workqueue+0x49b/0x1310 [ 1660.510826] generic_make_request+0x67/0x850 [ 1660.515224] ? mempool_alloc+0x10e/0x2d0 [ 1660.519283] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1660.524719] ? blk_queue_exit+0x1d0/0x1d0 [ 1660.528846] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1660.533844] ? kmem_cache_alloc+0x35f/0x3c0 [ 1660.538151] submit_bio+0x234/0x390 [ 1660.541766] ? generic_make_request+0x850/0x850 [ 1660.546419] ? __lockdep_init_map+0x100/0x560 [ 1660.550889] ? __lockdep_init_map+0x100/0x560 [ 1660.555364] submit_bio_wait+0xe8/0x140 [ 1660.559330] ? submit_bio_wait_endio+0xb0/0xb0 [ 1660.563906] blkdev_issue_flush+0x218/0x320 [ 1660.568212] ext4_sync_fs+0x46f/0x7e0 [ 1660.571998] ? bdev_try_to_free_page+0x150/0x150 [ 1660.576827] ? iterate_supers+0xda/0x490 [ 1660.580865] ? bdev_try_to_free_page+0x150/0x150 [ 1660.585598] ? vfs_fsync_range+0x260/0x260 [ 1660.589831] sync_fs_one_sb+0xb1/0xe0 [ 1660.593614] iterate_supers+0x124/0x490 [ 1660.597585] sys_sync+0x9a/0x130 [ 1660.600945] ? vfs_fsync+0x210/0x210 [ 1660.604644] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1660.609639] ? vfs_fsync+0x210/0x210 [ 1660.613341] do_syscall_64+0x1d5/0x640 [ 1660.617224] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1660.622396] RIP: 0033:0x7f3c6be997c9 [ 1660.626089] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1660.633780] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1660.641039] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 executing program [ 1660.648286] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1660.655535] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1660.662784] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000027 [ 1660.670059] CPU: 1 PID: 11444 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1660.678016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1660.687356] Call Trace: [ 1660.689942] dump_stack+0x1b2/0x281 [ 1660.693565] should_fail.cold+0x10a/0x149 [ 1660.697702] ? sync_fs_one_sb+0xb1/0xe0 [ 1660.701668] should_failslab+0xd6/0x130 [ 1660.705630] kmem_cache_alloc_node+0x54/0x410 [ 1660.710101] create_task_io_context+0x2a/0x3c0 [ 1660.714668] generic_make_request_checks+0x1350/0x19f0 [ 1660.719934] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1660.724316] ? flush_workqueue+0x129/0x1310 [ 1660.728611] ? flush_workqueue+0x49b/0x1310 [ 1660.732911] generic_make_request+0x67/0x850 [ 1660.737294] ? mempool_alloc+0x10e/0x2d0 [ 1660.741330] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1660.746756] ? blk_queue_exit+0x1d0/0x1d0 [ 1660.750883] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1660.755972] ? kmem_cache_alloc+0x35f/0x3c0 [ 1660.760272] submit_bio+0x234/0x390 [ 1660.763879] ? generic_make_request+0x850/0x850 [ 1660.768521] ? __lockdep_init_map+0x100/0x560 [ 1660.772989] ? __lockdep_init_map+0x100/0x560 [ 1660.777460] submit_bio_wait+0xe8/0x140 [ 1660.781413] ? submit_bio_wait_endio+0xb0/0xb0 [ 1660.785972] blkdev_issue_flush+0x218/0x320 [ 1660.790268] ext4_sync_fs+0x46f/0x7e0 [ 1660.794087] ? bdev_try_to_free_page+0x150/0x150 [ 1660.798831] ? iterate_supers+0xda/0x490 [ 1660.802880] ? bdev_try_to_free_page+0x150/0x150 [ 1660.807613] ? vfs_fsync_range+0x260/0x260 [ 1660.811822] sync_fs_one_sb+0xb1/0xe0 [ 1660.815615] iterate_supers+0x124/0x490 [ 1660.819563] sys_sync+0x9a/0x130 [ 1660.822922] ? vfs_fsync+0x210/0x210 [ 1660.826618] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1660.831607] ? vfs_fsync+0x210/0x210 [ 1660.835300] do_syscall_64+0x1d5/0x640 [ 1660.839165] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1660.844327] RIP: 0033:0x7f3c6be997c9 [ 1660.848011] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1660.855701] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1660.862941] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1660.870182] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1660.877422] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1660.884664] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000048 [ 1660.898656] FAULT_INJECTION: forcing a failure. executing program executing program [ 1660.898656] name failslab, interval 1, probability 0, space 0, times 0 [ 1660.947841] CPU: 0 PID: 11458 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1660.955825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1660.965170] Call Trace: [ 1660.967751] dump_stack+0x1b2/0x281 [ 1660.971378] should_fail.cold+0x10a/0x149 [ 1660.975531] ? sync_fs_one_sb+0xb1/0xe0 [ 1660.979506] should_failslab+0xd6/0x130 [ 1660.983475] kmem_cache_alloc_node+0x54/0x410 [ 1660.987964] create_task_io_context+0x2a/0x3c0 [ 1660.992542] generic_make_request_checks+0x1350/0x19f0 [ 1660.997818] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1661.002222] ? flush_workqueue+0x129/0x1310 [ 1661.006538] ? flush_workqueue+0x49b/0x1310 [ 1661.010856] generic_make_request+0x67/0x850 [ 1661.015257] ? mempool_alloc+0x10e/0x2d0 [ 1661.019317] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1661.024757] ? blk_queue_exit+0x1d0/0x1d0 [ 1661.028898] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1661.033904] ? kmem_cache_alloc+0x35f/0x3c0 [ 1661.038231] submit_bio+0x234/0x390 [ 1661.041854] ? generic_make_request+0x850/0x850 [ 1661.046506] ? __lockdep_init_map+0x100/0x560 [ 1661.050987] ? __lockdep_init_map+0x100/0x560 [ 1661.055464] submit_bio_wait+0xe8/0x140 [ 1661.059418] ? submit_bio_wait_endio+0xb0/0xb0 [ 1661.063978] blkdev_issue_flush+0x218/0x320 [ 1661.068278] ext4_sync_fs+0x46f/0x7e0 [ 1661.072056] ? bdev_try_to_free_page+0x150/0x150 [ 1661.076793] ? iterate_supers+0xda/0x490 [ 1661.080833] ? bdev_try_to_free_page+0x150/0x150 [ 1661.085562] ? vfs_fsync_range+0x260/0x260 [ 1661.089771] sync_fs_one_sb+0xb1/0xe0 [ 1661.093549] iterate_supers+0x124/0x490 [ 1661.097500] sys_sync+0x9a/0x130 [ 1661.100843] ? vfs_fsync+0x210/0x210 [ 1661.104530] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1661.109518] ? vfs_fsync+0x210/0x210 [ 1661.113209] do_syscall_64+0x1d5/0x640 [ 1661.117071] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1661.122244] RIP: 0033:0x7f3c6be997c9 [ 1661.125934] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1661.133613] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1661.140858] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1661.148102] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1661.155346] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1661.162588] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000027 executing program [ 1661.212820] FAULT_INJECTION: forcing a failure. [ 1661.212820] name failslab, interval 1, probability 0, space 0, times 0 [ 1661.224696] FAULT_INJECTION: forcing a failure. [ 1661.224696] name failslab, interval 1, probability 0, space 0, times 0 [ 1661.231916] CPU: 0 PID: 11465 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1661.243830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1661.253161] Call Trace: [ 1661.255743] dump_stack+0x1b2/0x281 [ 1661.259350] should_fail.cold+0x10a/0x149 [ 1661.263479] ? sync_fs_one_sb+0xb1/0xe0 [ 1661.267432] should_failslab+0xd6/0x130 [ 1661.271387] kmem_cache_alloc_node+0x54/0x410 [ 1661.275862] create_task_io_context+0x2a/0x3c0 [ 1661.280423] generic_make_request_checks+0x1350/0x19f0 [ 1661.285678] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1661.290064] ? flush_workqueue+0x129/0x1310 [ 1661.294366] ? flush_workqueue+0x49b/0x1310 [ 1661.298667] generic_make_request+0x67/0x850 [ 1661.303053] ? mempool_alloc+0x10e/0x2d0 [ 1661.307107] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1661.312532] ? blk_queue_exit+0x1d0/0x1d0 [ 1661.316668] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1661.321661] ? kmem_cache_alloc+0x35f/0x3c0 [ 1661.325962] submit_bio+0x234/0x390 [ 1661.329578] ? generic_make_request+0x850/0x850 [ 1661.334221] ? __lockdep_init_map+0x100/0x560 [ 1661.338694] ? __lockdep_init_map+0x100/0x560 [ 1661.343169] submit_bio_wait+0xe8/0x140 [ 1661.347122] ? submit_bio_wait_endio+0xb0/0xb0 [ 1661.351687] blkdev_issue_flush+0x218/0x320 [ 1661.355988] ext4_sync_fs+0x46f/0x7e0 [ 1661.359768] ? bdev_try_to_free_page+0x150/0x150 [ 1661.364499] ? iterate_supers+0xda/0x490 [ 1661.368537] ? bdev_try_to_free_page+0x150/0x150 [ 1661.373270] ? vfs_fsync_range+0x260/0x260 [ 1661.377483] sync_fs_one_sb+0xb1/0xe0 [ 1661.381258] iterate_supers+0x124/0x490 [ 1661.385210] sys_sync+0x9a/0x130 [ 1661.388552] ? vfs_fsync+0x210/0x210 [ 1661.392256] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1661.397246] ? vfs_fsync+0x210/0x210 [ 1661.401027] do_syscall_64+0x1d5/0x640 [ 1661.404897] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1661.410063] RIP: 0033:0x7f3c6be997c9 [ 1661.413751] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1661.421435] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1661.428681] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1661.435927] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1661.443176] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1661.450421] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000028 [ 1661.457693] CPU: 1 PID: 11480 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1661.458608] FAULT_INJECTION: forcing a failure. [ 1661.458608] name failslab, interval 1, probability 0, space 0, times 0 [ 1661.465652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1661.486140] Call Trace: [ 1661.488713] dump_stack+0x1b2/0x281 [ 1661.492325] should_fail.cold+0x10a/0x149 [ 1661.496473] ? sync_fs_one_sb+0xb1/0xe0 [ 1661.500426] should_failslab+0xd6/0x130 [ 1661.504379] kmem_cache_alloc_node+0x54/0x410 [ 1661.508859] create_task_io_context+0x2a/0x3c0 [ 1661.513419] generic_make_request_checks+0x1350/0x19f0 [ 1661.518677] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1661.523063] ? flush_workqueue+0x129/0x1310 [ 1661.527362] ? flush_workqueue+0x49b/0x1310 [ 1661.531660] generic_make_request+0x67/0x850 [ 1661.536051] ? mempool_alloc+0x10e/0x2d0 [ 1661.540093] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1661.545542] ? blk_queue_exit+0x1d0/0x1d0 [ 1661.549679] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1661.554678] ? kmem_cache_alloc+0x35f/0x3c0 [ 1661.558983] submit_bio+0x234/0x390 [ 1661.562592] ? generic_make_request+0x850/0x850 [ 1661.567246] ? __lockdep_init_map+0x100/0x560 [ 1661.571746] ? __lockdep_init_map+0x100/0x560 [ 1661.576230] submit_bio_wait+0xe8/0x140 [ 1661.580196] ? submit_bio_wait_endio+0xb0/0xb0 [ 1661.584781] blkdev_issue_flush+0x218/0x320 [ 1661.589096] ext4_sync_fs+0x46f/0x7e0 [ 1661.592911] ? bdev_try_to_free_page+0x150/0x150 [ 1661.597667] ? iterate_supers+0xda/0x490 [ 1661.601719] ? bdev_try_to_free_page+0x150/0x150 [ 1661.606474] ? vfs_fsync_range+0x260/0x260 [ 1661.610703] sync_fs_one_sb+0xb1/0xe0 [ 1661.614493] iterate_supers+0x124/0x490 [ 1661.618463] sys_sync+0x9a/0x130 [ 1661.621820] ? vfs_fsync+0x210/0x210 [ 1661.625526] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1661.630522] ? vfs_fsync+0x210/0x210 [ 1661.634225] do_syscall_64+0x1d5/0x640 [ 1661.638108] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1661.644614] RIP: 0033:0x7f3c6be997c9 [ 1661.648482] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1661.656178] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1661.663435] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1661.670687] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1661.677935] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1661.685182] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000049 [ 1661.692442] CPU: 0 PID: 11469 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1661.700400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1661.709728] Call Trace: [ 1661.712295] dump_stack+0x1b2/0x281 [ 1661.715902] should_fail.cold+0x10a/0x149 [ 1661.720030] should_failslab+0xd6/0x130 [ 1661.723982] kmem_cache_alloc+0x28e/0x3c0 [ 1661.728106] start_transaction+0x27c/0xf30 [ 1661.732341] ? vfs_fsync_range+0x260/0x260 [ 1661.736554] btrfs_attach_transaction_barrier+0x22/0x80 [ 1661.741895] btrfs_sync_fs+0xcd/0x430 [ 1661.745673] ? btrfs_freeze+0xb0/0xb0 [ 1661.749457] ? vfs_fsync_range+0x260/0x260 [ 1661.753668] sync_fs_one_sb+0xb1/0xe0 [ 1661.757446] iterate_supers+0x124/0x490 [ 1661.761400] sys_sync+0x9a/0x130 [ 1661.764742] ? vfs_fsync+0x210/0x210 [ 1661.768435] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1661.773427] ? vfs_fsync+0x210/0x210 [ 1661.777120] do_syscall_64+0x1d5/0x640 [ 1661.780989] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1661.786153] RIP: 0033:0x7f3c6be997c9 [ 1661.789841] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1661.797522] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1661.804765] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 executing program [ 1661.812021] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1661.819267] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1661.826522] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000028 executing program executing program [ 1661.881852] FAULT_INJECTION: forcing a failure. [ 1661.881852] name failslab, interval 1, probability 0, space 0, times 0 [ 1661.917623] CPU: 1 PID: 11487 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1661.925599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1661.934945] Call Trace: [ 1661.937527] dump_stack+0x1b2/0x281 [ 1661.941144] should_fail.cold+0x10a/0x149 [ 1661.945275] ? sync_fs_one_sb+0xb1/0xe0 [ 1661.949247] should_failslab+0xd6/0x130 [ 1661.953213] kmem_cache_alloc_node+0x54/0x410 [ 1661.957703] create_task_io_context+0x2a/0x3c0 [ 1661.962280] generic_make_request_checks+0x1350/0x19f0 [ 1661.967563] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1661.971959] ? flush_workqueue+0x129/0x1310 [ 1661.976269] ? flush_workqueue+0x49b/0x1310 [ 1661.980587] generic_make_request+0x67/0x850 [ 1661.984987] ? mempool_alloc+0x10e/0x2d0 [ 1661.989041] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1661.994481] ? blk_queue_exit+0x1d0/0x1d0 [ 1661.998619] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1662.003618] ? kmem_cache_alloc+0x35f/0x3c0 [ 1662.007914] submit_bio+0x234/0x390 [ 1662.011522] ? generic_make_request+0x850/0x850 [ 1662.016174] ? __lockdep_init_map+0x100/0x560 [ 1662.020645] ? __lockdep_init_map+0x100/0x560 [ 1662.025116] submit_bio_wait+0xe8/0x140 [ 1662.029070] ? submit_bio_wait_endio+0xb0/0xb0 [ 1662.033639] blkdev_issue_flush+0x218/0x320 [ 1662.037937] ext4_sync_fs+0x46f/0x7e0 [ 1662.041716] ? bdev_try_to_free_page+0x150/0x150 [ 1662.046445] ? iterate_supers+0xda/0x490 [ 1662.050487] ? bdev_try_to_free_page+0x150/0x150 [ 1662.055224] ? vfs_fsync_range+0x260/0x260 [ 1662.059431] sync_fs_one_sb+0xb1/0xe0 [ 1662.063213] iterate_supers+0x124/0x490 [ 1662.067176] sys_sync+0x9a/0x130 [ 1662.070538] ? vfs_fsync+0x210/0x210 [ 1662.074238] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1662.079233] ? vfs_fsync+0x210/0x210 [ 1662.082937] do_syscall_64+0x1d5/0x640 [ 1662.086806] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1662.091976] RIP: 0033:0x7f3c6be997c9 [ 1662.095668] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1662.103355] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1662.110606] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1662.117870] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1662.125119] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 executing program executing program [ 1662.132369] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000002a [ 1662.190298] FAULT_INJECTION: forcing a failure. [ 1662.190298] name failslab, interval 1, probability 0, space 0, times 0 [ 1662.191580] FAULT_INJECTION: forcing a failure. [ 1662.191580] name failslab, interval 1, probability 0, space 0, times 0 [ 1662.209043] CPU: 0 PID: 11502 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1662.213294] FAULT_INJECTION: forcing a failure. [ 1662.213294] name failslab, interval 1, probability 0, space 0, times 0 [ 1662.220715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1662.220719] Call Trace: [ 1662.220733] dump_stack+0x1b2/0x281 [ 1662.220745] should_fail.cold+0x10a/0x149 [ 1662.220755] ? sync_fs_one_sb+0xb1/0xe0 [ 1662.220766] should_failslab+0xd6/0x130 [ 1662.236570] FAULT_INJECTION: forcing a failure. [ 1662.236570] name failslab, interval 1, probability 0, space 0, times 0 [ 1662.241262] kmem_cache_alloc_node+0x54/0x410 [ 1662.241274] create_task_io_context+0x2a/0x3c0 [ 1662.241285] generic_make_request_checks+0x1350/0x19f0 [ 1662.241295] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1662.241304] ? flush_workqueue+0x129/0x1310 [ 1662.241311] ? flush_workqueue+0x49b/0x1310 [ 1662.241320] generic_make_request+0x67/0x850 [ 1662.302414] ? mempool_alloc+0x10e/0x2d0 [ 1662.306458] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1662.311887] ? blk_queue_exit+0x1d0/0x1d0 [ 1662.316026] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1662.321025] ? kmem_cache_alloc+0x35f/0x3c0 [ 1662.325334] submit_bio+0x234/0x390 [ 1662.328938] ? generic_make_request+0x850/0x850 [ 1662.333588] ? __lockdep_init_map+0x100/0x560 [ 1662.338059] ? __lockdep_init_map+0x100/0x560 [ 1662.342535] submit_bio_wait+0xe8/0x140 [ 1662.346488] ? submit_bio_wait_endio+0xb0/0xb0 [ 1662.351139] blkdev_issue_flush+0x218/0x320 [ 1662.355450] ext4_sync_fs+0x46f/0x7e0 [ 1662.359226] ? bdev_try_to_free_page+0x150/0x150 [ 1662.363955] ? iterate_supers+0xda/0x490 [ 1662.367994] ? bdev_try_to_free_page+0x150/0x150 [ 1662.372725] ? vfs_fsync_range+0x260/0x260 [ 1662.376934] sync_fs_one_sb+0xb1/0xe0 [ 1662.380726] iterate_supers+0x124/0x490 [ 1662.384685] sys_sync+0x9a/0x130 [ 1662.388035] ? vfs_fsync+0x210/0x210 [ 1662.391729] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1662.396724] ? vfs_fsync+0x210/0x210 [ 1662.400420] do_syscall_64+0x1d5/0x640 [ 1662.404289] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1662.409453] RIP: 0033:0x7f3c6be997c9 [ 1662.413140] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1662.420827] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1662.428090] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1662.435336] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1662.442591] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1662.449841] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000028 [ 1662.457209] CPU: 1 PID: 11495 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1662.465173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1662.474518] Call Trace: [ 1662.477115] dump_stack+0x1b2/0x281 [ 1662.480743] should_fail.cold+0x10a/0x149 [ 1662.484895] should_failslab+0xd6/0x130 [ 1662.488866] kmem_cache_alloc+0x28e/0x3c0 [ 1662.493009] start_transaction+0x27c/0xf30 [ 1662.497244] ? vfs_fsync_range+0x260/0x260 [ 1662.501528] btrfs_attach_transaction_barrier+0x22/0x80 [ 1662.506886] btrfs_sync_fs+0xcd/0x430 [ 1662.510684] ? btrfs_freeze+0xb0/0xb0 [ 1662.514474] ? vfs_fsync_range+0x260/0x260 [ 1662.518687] sync_fs_one_sb+0xb1/0xe0 [ 1662.522465] iterate_supers+0x124/0x490 [ 1662.526418] sys_sync+0x9a/0x130 [ 1662.529763] ? vfs_fsync+0x210/0x210 [ 1662.533456] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1662.538452] ? vfs_fsync+0x210/0x210 [ 1662.542143] do_syscall_64+0x1d5/0x640 [ 1662.546011] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1662.551178] RIP: 0033:0x7f3c6be997c9 [ 1662.554871] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1662.562555] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1662.569804] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1662.577057] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1662.584320] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1662.591566] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000029 [ 1662.598848] CPU: 0 PID: 11501 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1662.606811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1662.616152] Call Trace: [ 1662.618716] dump_stack+0x1b2/0x281 [ 1662.622321] should_fail.cold+0x10a/0x149 [ 1662.626448] ? sync_fs_one_sb+0xb1/0xe0 [ 1662.630398] should_failslab+0xd6/0x130 [ 1662.634356] kmem_cache_alloc_node+0x54/0x410 [ 1662.638828] create_task_io_context+0x2a/0x3c0 [ 1662.643391] generic_make_request_checks+0x1350/0x19f0 [ 1662.648645] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1662.653029] ? flush_workqueue+0x129/0x1310 [ 1662.657327] ? flush_workqueue+0x49b/0x1310 [ 1662.661626] generic_make_request+0x67/0x850 [ 1662.666009] ? mempool_alloc+0x10e/0x2d0 [ 1662.670049] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1662.675476] ? blk_queue_exit+0x1d0/0x1d0 [ 1662.679601] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1662.684593] ? kmem_cache_alloc+0x35f/0x3c0 [ 1662.688892] submit_bio+0x234/0x390 [ 1662.692506] ? generic_make_request+0x850/0x850 [ 1662.697154] ? __lockdep_init_map+0x100/0x560 [ 1662.701623] ? __lockdep_init_map+0x100/0x560 [ 1662.706096] submit_bio_wait+0xe8/0x140 [ 1662.710048] ? submit_bio_wait_endio+0xb0/0xb0 [ 1662.714622] blkdev_issue_flush+0x218/0x320 [ 1662.718921] ext4_sync_fs+0x46f/0x7e0 [ 1662.722700] ? bdev_try_to_free_page+0x150/0x150 [ 1662.727433] ? iterate_supers+0xda/0x490 [ 1662.731472] ? bdev_try_to_free_page+0x150/0x150 [ 1662.736201] ? vfs_fsync_range+0x260/0x260 [ 1662.740423] sync_fs_one_sb+0xb1/0xe0 [ 1662.744209] iterate_supers+0x124/0x490 [ 1662.748170] sys_sync+0x9a/0x130 [ 1662.751512] ? vfs_fsync+0x210/0x210 [ 1662.755202] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1662.760191] ? vfs_fsync+0x210/0x210 [ 1662.763902] do_syscall_64+0x1d5/0x640 [ 1662.767773] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1662.772940] RIP: 0033:0x7f3c6be997c9 [ 1662.776628] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1662.784310] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1662.791567] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1662.798813] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1662.806060] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1662.813308] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000029 [ 1662.822792] CPU: 0 PID: 11490 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1662.830759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1662.840099] Call Trace: executing program [ 1662.842679] dump_stack+0x1b2/0x281 [ 1662.846299] should_fail.cold+0x10a/0x149 [ 1662.850442] ? sync_fs_one_sb+0xb1/0xe0 [ 1662.854405] should_failslab+0xd6/0x130 [ 1662.858395] kmem_cache_alloc_node+0x54/0x410 [ 1662.862886] create_task_io_context+0x2a/0x3c0 [ 1662.867460] generic_make_request_checks+0x1350/0x19f0 [ 1662.872733] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1662.877133] ? flush_workqueue+0x129/0x1310 [ 1662.881447] ? flush_workqueue+0x49b/0x1310 [ 1662.885762] generic_make_request+0x67/0x850 [ 1662.890157] ? mempool_alloc+0x10e/0x2d0 [ 1662.894366] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1662.899789] ? blk_queue_exit+0x1d0/0x1d0 [ 1662.903910] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1662.908898] ? kmem_cache_alloc+0x35f/0x3c0 [ 1662.913192] submit_bio+0x234/0x390 [ 1662.916810] ? generic_make_request+0x850/0x850 [ 1662.921462] ? __lockdep_init_map+0x100/0x560 [ 1662.925930] ? __lockdep_init_map+0x100/0x560 [ 1662.930400] submit_bio_wait+0xe8/0x140 [ 1662.934360] ? submit_bio_wait_endio+0xb0/0xb0 [ 1662.938933] blkdev_issue_flush+0x218/0x320 [ 1662.943239] ext4_sync_fs+0x46f/0x7e0 [ 1662.947019] ? bdev_try_to_free_page+0x150/0x150 [ 1662.951747] ? iterate_supers+0xda/0x490 [ 1662.955782] ? bdev_try_to_free_page+0x150/0x150 [ 1662.960511] ? vfs_fsync_range+0x260/0x260 [ 1662.964721] sync_fs_one_sb+0xb1/0xe0 [ 1662.968495] iterate_supers+0x124/0x490 [ 1662.972443] sys_sync+0x9a/0x130 [ 1662.975783] ? vfs_fsync+0x210/0x210 [ 1662.979486] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1662.984475] ? vfs_fsync+0x210/0x210 [ 1662.988159] do_syscall_64+0x1d5/0x640 [ 1662.992021] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1662.997194] RIP: 0033:0x7f3c6be997c9 [ 1663.000878] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1663.008561] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1663.015802] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1663.023044] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1663.030289] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1663.037532] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000028 executing program [ 1663.079900] FAULT_INJECTION: forcing a failure. [ 1663.079900] name failslab, interval 1, probability 0, space 0, times 0 [ 1663.091789] CPU: 1 PID: 11509 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1663.099758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1663.109117] Call Trace: [ 1663.111686] dump_stack+0x1b2/0x281 [ 1663.115306] should_fail.cold+0x10a/0x149 [ 1663.119434] ? sync_fs_one_sb+0xb1/0xe0 [ 1663.123385] should_failslab+0xd6/0x130 [ 1663.127337] kmem_cache_alloc_node+0x54/0x410 [ 1663.131807] create_task_io_context+0x2a/0x3c0 [ 1663.136378] generic_make_request_checks+0x1350/0x19f0 [ 1663.141635] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1663.146027] ? flush_workqueue+0x129/0x1310 [ 1663.150327] ? flush_workqueue+0x49b/0x1310 [ 1663.154637] generic_make_request+0x67/0x850 [ 1663.159023] ? mempool_alloc+0x10e/0x2d0 [ 1663.163060] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1663.168487] ? blk_queue_exit+0x1d0/0x1d0 [ 1663.172614] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1663.177603] ? kmem_cache_alloc+0x35f/0x3c0 [ 1663.181909] submit_bio+0x234/0x390 [ 1663.185513] ? generic_make_request+0x850/0x850 [ 1663.190160] ? __lockdep_init_map+0x100/0x560 [ 1663.194635] ? __lockdep_init_map+0x100/0x560 [ 1663.199109] submit_bio_wait+0xe8/0x140 [ 1663.203062] ? submit_bio_wait_endio+0xb0/0xb0 [ 1663.207627] blkdev_issue_flush+0x218/0x320 [ 1663.211924] ext4_sync_fs+0x46f/0x7e0 [ 1663.215708] ? bdev_try_to_free_page+0x150/0x150 [ 1663.220438] ? iterate_supers+0xda/0x490 [ 1663.224477] ? bdev_try_to_free_page+0x150/0x150 [ 1663.229225] ? vfs_fsync_range+0x260/0x260 [ 1663.233436] sync_fs_one_sb+0xb1/0xe0 [ 1663.237235] iterate_supers+0x124/0x490 [ 1663.241190] sys_sync+0x9a/0x130 [ 1663.244535] ? vfs_fsync+0x210/0x210 [ 1663.248249] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1663.253242] ? vfs_fsync+0x210/0x210 [ 1663.256932] do_syscall_64+0x1d5/0x640 [ 1663.260799] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1663.265969] RIP: 0033:0x7f3c6be997c9 [ 1663.269664] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1663.277359] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1663.284605] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1663.291848] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1663.299094] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1663.306340] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000002a executing program [ 1663.402424] FAULT_INJECTION: forcing a failure. [ 1663.402424] name failslab, interval 1, probability 0, space 0, times 0 [ 1663.402917] FAULT_INJECTION: forcing a failure. [ 1663.402917] name failslab, interval 1, probability 0, space 0, times 0 [ 1663.415098] CPU: 1 PID: 11515 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1663.432883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1663.442226] Call Trace: [ 1663.444794] dump_stack+0x1b2/0x281 [ 1663.448401] should_fail.cold+0x10a/0x149 [ 1663.452525] ? sync_fs_one_sb+0xb1/0xe0 [ 1663.456476] should_failslab+0xd6/0x130 [ 1663.460427] kmem_cache_alloc_node+0x54/0x410 [ 1663.464900] create_task_io_context+0x2a/0x3c0 [ 1663.469460] generic_make_request_checks+0x1350/0x19f0 [ 1663.474714] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1663.479099] ? flush_workqueue+0x129/0x1310 [ 1663.483397] ? flush_workqueue+0x49b/0x1310 [ 1663.487694] generic_make_request+0x67/0x850 [ 1663.492081] ? mempool_alloc+0x10e/0x2d0 [ 1663.496118] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1663.501543] ? blk_queue_exit+0x1d0/0x1d0 [ 1663.505667] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1663.510660] ? kmem_cache_alloc+0x35f/0x3c0 [ 1663.514962] submit_bio+0x234/0x390 [ 1663.518566] ? generic_make_request+0x850/0x850 [ 1663.523211] ? __lockdep_init_map+0x100/0x560 [ 1663.527683] ? __lockdep_init_map+0x100/0x560 [ 1663.532160] submit_bio_wait+0xe8/0x140 [ 1663.536114] ? submit_bio_wait_endio+0xb0/0xb0 [ 1663.540679] blkdev_issue_flush+0x218/0x320 [ 1663.544981] ext4_sync_fs+0x46f/0x7e0 [ 1663.548761] ? bdev_try_to_free_page+0x150/0x150 [ 1663.553492] ? iterate_supers+0xda/0x490 [ 1663.557531] ? bdev_try_to_free_page+0x150/0x150 [ 1663.562262] ? vfs_fsync_range+0x260/0x260 [ 1663.566470] sync_fs_one_sb+0xb1/0xe0 [ 1663.570246] iterate_supers+0x124/0x490 [ 1663.574201] sys_sync+0x9a/0x130 [ 1663.577545] ? vfs_fsync+0x210/0x210 [ 1663.581236] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1663.586229] ? vfs_fsync+0x210/0x210 [ 1663.589917] do_syscall_64+0x1d5/0x640 [ 1663.593787] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1663.598952] RIP: 0033:0x7f3c6be997c9 [ 1663.602637] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1663.610321] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1663.617565] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1663.624812] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1663.632067] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1663.639312] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000004a [ 1663.646573] CPU: 0 PID: 11527 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1663.654535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1663.663874] Call Trace: [ 1663.666451] dump_stack+0x1b2/0x281 [ 1663.670073] should_fail.cold+0x10a/0x149 [ 1663.674214] ? sync_fs_one_sb+0xb1/0xe0 [ 1663.678182] should_failslab+0xd6/0x130 [ 1663.682148] kmem_cache_alloc_node+0x54/0x410 [ 1663.686637] create_task_io_context+0x2a/0x3c0 [ 1663.691213] generic_make_request_checks+0x1350/0x19f0 [ 1663.696484] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1663.700883] ? flush_workqueue+0x129/0x1310 [ 1663.705195] ? flush_workqueue+0x49b/0x1310 [ 1663.709510] generic_make_request+0x67/0x850 [ 1663.713912] ? mempool_alloc+0x10e/0x2d0 [ 1663.717963] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1663.723414] ? blk_queue_exit+0x1d0/0x1d0 [ 1663.727547] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1663.732545] ? kmem_cache_alloc+0x35f/0x3c0 [ 1663.736847] submit_bio+0x234/0x390 [ 1663.740463] ? generic_make_request+0x850/0x850 [ 1663.745116] ? __lockdep_init_map+0x100/0x560 [ 1663.749593] ? __lockdep_init_map+0x100/0x560 [ 1663.754067] submit_bio_wait+0xe8/0x140 [ 1663.758019] ? submit_bio_wait_endio+0xb0/0xb0 [ 1663.762583] blkdev_issue_flush+0x218/0x320 [ 1663.766879] ext4_sync_fs+0x46f/0x7e0 [ 1663.770659] ? bdev_try_to_free_page+0x150/0x150 [ 1663.775386] ? iterate_supers+0xda/0x490 [ 1663.779424] ? bdev_try_to_free_page+0x150/0x150 [ 1663.784155] ? vfs_fsync_range+0x260/0x260 [ 1663.788362] sync_fs_one_sb+0xb1/0xe0 [ 1663.792139] iterate_supers+0x124/0x490 [ 1663.796090] sys_sync+0x9a/0x130 [ 1663.799430] ? vfs_fsync+0x210/0x210 [ 1663.803122] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1663.808113] ? vfs_fsync+0x210/0x210 [ 1663.811802] do_syscall_64+0x1d5/0x640 [ 1663.815671] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1663.820834] RIP: 0033:0x7f3c6be997c9 [ 1663.824520] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1663.832204] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1663.839450] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1663.846694] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 executing program executing program executing program executing program [ 1663.853940] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1663.861186] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000002b [ 1663.929041] FAULT_INJECTION: forcing a failure. [ 1663.929041] name failslab, interval 1, probability 0, space 0, times 0 [ 1663.941649] FAULT_INJECTION: forcing a failure. [ 1663.941649] name failslab, interval 1, probability 0, space 0, times 0 [ 1663.955248] FAULT_INJECTION: forcing a failure. [ 1663.955248] name failslab, interval 1, probability 0, space 0, times 0 [ 1663.961769] FAULT_INJECTION: forcing a failure. [ 1663.961769] name failslab, interval 1, probability 0, space 0, times 0 [ 1663.971396] CPU: 0 PID: 11530 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1663.985568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1663.994907] Call Trace: [ 1663.997482] dump_stack+0x1b2/0x281 [ 1664.001091] should_fail.cold+0x10a/0x149 [ 1664.005219] ? sync_fs_one_sb+0xb1/0xe0 [ 1664.009171] should_failslab+0xd6/0x130 [ 1664.013127] kmem_cache_alloc_node+0x54/0x410 [ 1664.017602] create_task_io_context+0x2a/0x3c0 [ 1664.022161] generic_make_request_checks+0x1350/0x19f0 [ 1664.027416] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1664.031800] ? flush_workqueue+0x129/0x1310 [ 1664.036098] ? flush_workqueue+0x49b/0x1310 [ 1664.040399] generic_make_request+0x67/0x850 [ 1664.044786] ? mempool_alloc+0x10e/0x2d0 [ 1664.048847] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1664.054294] ? blk_queue_exit+0x1d0/0x1d0 [ 1664.058424] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1664.063418] ? kmem_cache_alloc+0x35f/0x3c0 [ 1664.067720] submit_bio+0x234/0x390 [ 1664.071326] ? generic_make_request+0x850/0x850 [ 1664.075973] ? __lockdep_init_map+0x100/0x560 [ 1664.080454] ? __lockdep_init_map+0x100/0x560 [ 1664.084929] submit_bio_wait+0xe8/0x140 [ 1664.088879] ? submit_bio_wait_endio+0xb0/0xb0 [ 1664.093447] blkdev_issue_flush+0x218/0x320 [ 1664.097752] ext4_sync_fs+0x46f/0x7e0 [ 1664.101535] ? bdev_try_to_free_page+0x150/0x150 [ 1664.106264] ? iterate_supers+0xda/0x490 [ 1664.110317] ? bdev_try_to_free_page+0x150/0x150 [ 1664.115052] ? vfs_fsync_range+0x260/0x260 [ 1664.119262] sync_fs_one_sb+0xb1/0xe0 [ 1664.123041] iterate_supers+0x124/0x490 [ 1664.126994] sys_sync+0x9a/0x130 [ 1664.130340] ? vfs_fsync+0x210/0x210 [ 1664.134032] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1664.139032] ? vfs_fsync+0x210/0x210 [ 1664.142721] do_syscall_64+0x1d5/0x640 [ 1664.146591] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1664.151754] RIP: 0033:0x7f3c6be997c9 [ 1664.155453] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1664.163137] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1664.170387] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1664.177634] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1664.184877] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1664.192129] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000002b [ 1664.199402] CPU: 1 PID: 11541 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1664.207359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1664.216712] Call Trace: [ 1664.219284] dump_stack+0x1b2/0x281 [ 1664.222891] should_fail.cold+0x10a/0x149 [ 1664.227017] should_failslab+0xd6/0x130 [ 1664.230967] kmem_cache_alloc+0x28e/0x3c0 [ 1664.235095] start_transaction+0x27c/0xf30 [ 1664.239324] ? vfs_fsync_range+0x260/0x260 [ 1664.243538] btrfs_attach_transaction_barrier+0x22/0x80 [ 1664.248884] btrfs_sync_fs+0xcd/0x430 [ 1664.252663] ? btrfs_freeze+0xb0/0xb0 [ 1664.256439] ? vfs_fsync_range+0x260/0x260 [ 1664.260650] sync_fs_one_sb+0xb1/0xe0 [ 1664.264426] iterate_supers+0x124/0x490 [ 1664.268377] sys_sync+0x9a/0x130 [ 1664.271718] ? vfs_fsync+0x210/0x210 [ 1664.275411] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1664.280401] ? vfs_fsync+0x210/0x210 [ 1664.284095] do_syscall_64+0x1d5/0x640 [ 1664.287967] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1664.293134] RIP: 0033:0x7f3c6be997c9 [ 1664.296820] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1664.304506] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1664.311751] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1664.318999] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1664.326250] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1664.333503] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000002a [ 1664.362080] CPU: 0 PID: 11540 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1664.370052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1664.379398] Call Trace: [ 1664.381976] dump_stack+0x1b2/0x281 [ 1664.385606] should_fail.cold+0x10a/0x149 [ 1664.389749] ? sync_fs_one_sb+0xb1/0xe0 [ 1664.393721] should_failslab+0xd6/0x130 [ 1664.397700] kmem_cache_alloc_node+0x54/0x410 [ 1664.402194] create_task_io_context+0x2a/0x3c0 [ 1664.406774] generic_make_request_checks+0x1350/0x19f0 [ 1664.412042] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1664.416431] ? flush_workqueue+0x129/0x1310 [ 1664.420733] ? flush_workqueue+0x49b/0x1310 [ 1664.425034] generic_make_request+0x67/0x850 [ 1664.429422] ? mempool_alloc+0x10e/0x2d0 [ 1664.433463] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1664.438890] ? blk_queue_exit+0x1d0/0x1d0 [ 1664.443012] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1664.448005] ? kmem_cache_alloc+0x35f/0x3c0 [ 1664.452304] submit_bio+0x234/0x390 [ 1664.455909] ? generic_make_request+0x850/0x850 [ 1664.460558] ? __lockdep_init_map+0x100/0x560 [ 1664.465034] ? __lockdep_init_map+0x100/0x560 [ 1664.469514] submit_bio_wait+0xe8/0x140 [ 1664.473479] ? submit_bio_wait_endio+0xb0/0xb0 [ 1664.478044] blkdev_issue_flush+0x218/0x320 [ 1664.482343] ext4_sync_fs+0x46f/0x7e0 [ 1664.486120] ? bdev_try_to_free_page+0x150/0x150 [ 1664.490865] ? iterate_supers+0xda/0x490 [ 1664.494906] ? bdev_try_to_free_page+0x150/0x150 [ 1664.499638] ? vfs_fsync_range+0x260/0x260 [ 1664.503848] sync_fs_one_sb+0xb1/0xe0 [ 1664.507623] iterate_supers+0x124/0x490 [ 1664.511574] sys_sync+0x9a/0x130 [ 1664.514918] ? vfs_fsync+0x210/0x210 [ 1664.518617] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1664.523609] ? vfs_fsync+0x210/0x210 [ 1664.527302] do_syscall_64+0x1d5/0x640 [ 1664.531182] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1664.536346] RIP: 0033:0x7f3c6be997c9 [ 1664.540031] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1664.547727] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1664.554971] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1664.562240] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1664.569483] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1664.576728] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000029 [ 1664.583989] CPU: 1 PID: 11542 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1664.591946] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1664.601285] Call Trace: [ 1664.603865] dump_stack+0x1b2/0x281 [ 1664.607481] should_fail.cold+0x10a/0x149 [ 1664.611625] should_failslab+0xd6/0x130 [ 1664.615590] kmem_cache_alloc+0x28e/0x3c0 [ 1664.619740] start_transaction+0x27c/0xf30 [ 1664.623953] ? vfs_fsync_range+0x260/0x260 [ 1664.628166] btrfs_attach_transaction_barrier+0x22/0x80 [ 1664.633508] btrfs_sync_fs+0xcd/0x430 [ 1664.637281] ? btrfs_freeze+0xb0/0xb0 [ 1664.641071] ? vfs_fsync_range+0x260/0x260 [ 1664.645287] sync_fs_one_sb+0xb1/0xe0 [ 1664.649065] iterate_supers+0x124/0x490 [ 1664.653020] sys_sync+0x9a/0x130 [ 1664.656356] ? vfs_fsync+0x210/0x210 [ 1664.660055] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1664.665043] ? vfs_fsync+0x210/0x210 [ 1664.668733] do_syscall_64+0x1d5/0x640 [ 1664.672604] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1664.677802] RIP: 0033:0x7f3c6be997c9 [ 1664.681599] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1664.689282] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1664.696533] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1664.703773] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1664.711019] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1664.718273] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000029 executing program executing program executing program executing program [ 1664.858209] FAULT_INJECTION: forcing a failure. [ 1664.858209] name failslab, interval 1, probability 0, space 0, times 0 [ 1664.870039] FAULT_INJECTION: forcing a failure. [ 1664.870039] name failslab, interval 1, probability 0, space 0, times 0 [ 1664.870167] FAULT_INJECTION: forcing a failure. [ 1664.870167] name failslab, interval 1, probability 0, space 0, times 0 [ 1664.897122] FAULT_INJECTION: forcing a failure. [ 1664.897122] name failslab, interval 1, probability 0, space 0, times 0 [ 1664.907370] CPU: 1 PID: 11558 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1664.916257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1664.925586] Call Trace: [ 1664.928157] dump_stack+0x1b2/0x281 [ 1664.931770] should_fail.cold+0x10a/0x149 [ 1664.935899] ? sync_fs_one_sb+0xb1/0xe0 [ 1664.939850] should_failslab+0xd6/0x130 [ 1664.943804] kmem_cache_alloc_node+0x54/0x410 [ 1664.948283] create_task_io_context+0x2a/0x3c0 [ 1664.952849] generic_make_request_checks+0x1350/0x19f0 [ 1664.958107] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1664.962491] ? flush_workqueue+0x129/0x1310 [ 1664.966787] ? flush_workqueue+0x49b/0x1310 [ 1664.971092] generic_make_request+0x67/0x850 [ 1664.975487] ? mempool_alloc+0x10e/0x2d0 [ 1664.979525] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1664.984952] ? blk_queue_exit+0x1d0/0x1d0 [ 1664.989085] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1664.994089] ? kmem_cache_alloc+0x35f/0x3c0 [ 1664.998409] submit_bio+0x234/0x390 [ 1665.002019] ? generic_make_request+0x850/0x850 [ 1665.006673] ? __lockdep_init_map+0x100/0x560 [ 1665.011162] ? __lockdep_init_map+0x100/0x560 [ 1665.015647] submit_bio_wait+0xe8/0x140 [ 1665.019600] ? submit_bio_wait_endio+0xb0/0xb0 [ 1665.024165] blkdev_issue_flush+0x218/0x320 [ 1665.028470] ext4_sync_fs+0x46f/0x7e0 [ 1665.032252] ? bdev_try_to_free_page+0x150/0x150 [ 1665.036989] ? iterate_supers+0xda/0x490 [ 1665.041030] ? bdev_try_to_free_page+0x150/0x150 [ 1665.045762] ? vfs_fsync_range+0x260/0x260 [ 1665.049979] sync_fs_one_sb+0xb1/0xe0 [ 1665.053771] iterate_supers+0x124/0x490 [ 1665.057726] sys_sync+0x9a/0x130 [ 1665.061075] ? vfs_fsync+0x210/0x210 [ 1665.064768] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1665.069771] ? vfs_fsync+0x210/0x210 [ 1665.073472] do_syscall_64+0x1d5/0x640 [ 1665.077343] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1665.082510] RIP: 0033:0x7f3c6be997c9 [ 1665.086203] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1665.093888] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1665.101136] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1665.108389] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1665.115642] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1665.122890] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000002c [ 1665.142843] CPU: 0 PID: 11571 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1665.150811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1665.160151] Call Trace: [ 1665.162732] dump_stack+0x1b2/0x281 [ 1665.166357] should_fail.cold+0x10a/0x149 [ 1665.170499] ? sync_fs_one_sb+0xb1/0xe0 [ 1665.174469] should_failslab+0xd6/0x130 [ 1665.178439] kmem_cache_alloc_node+0x54/0x410 [ 1665.182928] create_task_io_context+0x2a/0x3c0 [ 1665.187504] generic_make_request_checks+0x1350/0x19f0 [ 1665.192779] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1665.197181] ? flush_workqueue+0x129/0x1310 [ 1665.201495] ? flush_workqueue+0x49b/0x1310 executing program [ 1665.205805] generic_make_request+0x67/0x850 [ 1665.210199] ? mempool_alloc+0x10e/0x2d0 [ 1665.214254] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1665.219694] ? blk_queue_exit+0x1d0/0x1d0 [ 1665.223837] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1665.228845] ? kmem_cache_alloc+0x35f/0x3c0 [ 1665.233157] submit_bio+0x234/0x390 [ 1665.236771] ? generic_make_request+0x850/0x850 [ 1665.241430] ? __lockdep_init_map+0x100/0x560 [ 1665.245916] ? __lockdep_init_map+0x100/0x560 [ 1665.250409] submit_bio_wait+0xe8/0x140 [ 1665.254373] ? submit_bio_wait_endio+0xb0/0xb0 [ 1665.258952] blkdev_issue_flush+0x218/0x320 [ 1665.263268] ext4_sync_fs+0x46f/0x7e0 [ 1665.267059] ? bdev_try_to_free_page+0x150/0x150 [ 1665.271789] ? iterate_supers+0xda/0x490 [ 1665.275829] ? bdev_try_to_free_page+0x150/0x150 [ 1665.280566] ? vfs_fsync_range+0x260/0x260 [ 1665.284786] sync_fs_one_sb+0xb1/0xe0 [ 1665.288567] iterate_supers+0x124/0x490 [ 1665.292527] sys_sync+0x9a/0x130 [ 1665.295872] ? vfs_fsync+0x210/0x210 [ 1665.299568] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1665.304567] ? vfs_fsync+0x210/0x210 [ 1665.308260] do_syscall_64+0x1d5/0x640 [ 1665.312132] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1665.317302] RIP: 0033:0x7f3c6be997c9 [ 1665.320993] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1665.328681] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1665.335930] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1665.343176] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1665.350423] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1665.357668] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000002b [ 1665.364927] CPU: 1 PID: 11559 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1665.372883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1665.382214] Call Trace: [ 1665.384779] dump_stack+0x1b2/0x281 [ 1665.388387] should_fail.cold+0x10a/0x149 [ 1665.392516] should_failslab+0xd6/0x130 [ 1665.396469] kmem_cache_alloc+0x28e/0x3c0 [ 1665.400596] start_transaction+0x27c/0xf30 [ 1665.404813] ? vfs_fsync_range+0x260/0x260 [ 1665.409027] btrfs_attach_transaction_barrier+0x22/0x80 [ 1665.414376] btrfs_sync_fs+0xcd/0x430 [ 1665.418157] ? btrfs_freeze+0xb0/0xb0 [ 1665.421935] ? vfs_fsync_range+0x260/0x260 [ 1665.426149] sync_fs_one_sb+0xb1/0xe0 [ 1665.429927] iterate_supers+0x124/0x490 [ 1665.433885] sys_sync+0x9a/0x130 [ 1665.437229] ? vfs_fsync+0x210/0x210 [ 1665.440922] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1665.445913] ? vfs_fsync+0x210/0x210 [ 1665.449603] do_syscall_64+0x1d5/0x640 [ 1665.453474] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1665.458638] RIP: 0033:0x7f3c6be997c9 [ 1665.462322] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1665.470016] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1665.477264] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1665.484507] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1665.491756] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1665.499006] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000002c [ 1665.506263] CPU: 0 PID: 11560 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1665.514223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1665.523566] Call Trace: [ 1665.526149] dump_stack+0x1b2/0x281 [ 1665.529770] should_fail.cold+0x10a/0x149 [ 1665.533908] should_failslab+0xd6/0x130 [ 1665.537876] kmem_cache_alloc+0x28e/0x3c0 [ 1665.542019] start_transaction+0x27c/0xf30 [ 1665.546249] ? vfs_fsync_range+0x260/0x260 [ 1665.550474] btrfs_attach_transaction_barrier+0x22/0x80 [ 1665.555829] btrfs_sync_fs+0xcd/0x430 executing program [ 1665.559622] ? btrfs_freeze+0xb0/0xb0 [ 1665.563417] ? vfs_fsync_range+0x260/0x260 [ 1665.567642] sync_fs_one_sb+0xb1/0xe0 [ 1665.571433] iterate_supers+0x124/0x490 [ 1665.575403] sys_sync+0x9a/0x130 [ 1665.578759] ? vfs_fsync+0x210/0x210 [ 1665.582468] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1665.587477] ? vfs_fsync+0x210/0x210 [ 1665.591183] do_syscall_64+0x1d5/0x640 [ 1665.595078] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1665.600256] RIP: 0033:0x7f3c6be997c9 [ 1665.603957] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 executing program [ 1665.611653] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1665.618911] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1665.626162] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1665.633404] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1665.640648] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000004b [ 1665.708788] FAULT_INJECTION: forcing a failure. [ 1665.708788] name failslab, interval 1, probability 0, space 0, times 0 [ 1665.708959] FAULT_INJECTION: forcing a failure. [ 1665.708959] name failslab, interval 1, probability 0, space 0, times 0 [ 1665.732010] CPU: 0 PID: 11582 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1665.739980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1665.749320] Call Trace: [ 1665.751886] dump_stack+0x1b2/0x281 [ 1665.755498] should_fail.cold+0x10a/0x149 [ 1665.759629] ? sync_fs_one_sb+0xb1/0xe0 [ 1665.763583] should_failslab+0xd6/0x130 [ 1665.767540] kmem_cache_alloc_node+0x54/0x410 [ 1665.772016] create_task_io_context+0x2a/0x3c0 [ 1665.776576] generic_make_request_checks+0x1350/0x19f0 [ 1665.781829] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1665.786212] ? flush_workqueue+0x129/0x1310 [ 1665.790512] ? flush_workqueue+0x49b/0x1310 [ 1665.794814] generic_make_request+0x67/0x850 [ 1665.799198] ? mempool_alloc+0x10e/0x2d0 [ 1665.803237] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1665.808661] ? blk_queue_exit+0x1d0/0x1d0 [ 1665.812785] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1665.817777] ? kmem_cache_alloc+0x35f/0x3c0 [ 1665.822077] submit_bio+0x234/0x390 [ 1665.825684] ? generic_make_request+0x850/0x850 [ 1665.830328] ? __lockdep_init_map+0x100/0x560 [ 1665.834799] ? __lockdep_init_map+0x100/0x560 [ 1665.839273] submit_bio_wait+0xe8/0x140 [ 1665.843223] ? submit_bio_wait_endio+0xb0/0xb0 [ 1665.848135] blkdev_issue_flush+0x218/0x320 [ 1665.852435] ext4_sync_fs+0x46f/0x7e0 [ 1665.856235] ? bdev_try_to_free_page+0x150/0x150 [ 1665.860973] ? iterate_supers+0xda/0x490 [ 1665.865011] ? bdev_try_to_free_page+0x150/0x150 [ 1665.869747] ? vfs_fsync_range+0x260/0x260 [ 1665.873961] sync_fs_one_sb+0xb1/0xe0 [ 1665.877740] iterate_supers+0x124/0x490 [ 1665.881694] sys_sync+0x9a/0x130 [ 1665.885039] ? vfs_fsync+0x210/0x210 [ 1665.888734] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1665.893726] ? vfs_fsync+0x210/0x210 [ 1665.897419] do_syscall_64+0x1d5/0x640 [ 1665.901287] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1665.906456] RIP: 0033:0x7f3c6be997c9 [ 1665.910145] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1665.917832] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1665.925078] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1665.932328] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1665.939574] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1665.946822] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000002d [ 1665.954084] CPU: 1 PID: 11576 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1665.962044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1665.971377] Call Trace: [ 1665.973970] dump_stack+0x1b2/0x281 [ 1665.977579] should_fail.cold+0x10a/0x149 [ 1665.981705] ? sync_fs_one_sb+0xb1/0xe0 [ 1665.985655] should_failslab+0xd6/0x130 [ 1665.989609] kmem_cache_alloc_node+0x54/0x410 [ 1665.994085] create_task_io_context+0x2a/0x3c0 [ 1665.998649] generic_make_request_checks+0x1350/0x19f0 [ 1666.003903] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1666.008291] ? flush_workqueue+0x129/0x1310 [ 1666.012588] ? flush_workqueue+0x49b/0x1310 [ 1666.016888] generic_make_request+0x67/0x850 [ 1666.021277] ? mempool_alloc+0x10e/0x2d0 [ 1666.025316] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1666.030754] ? blk_queue_exit+0x1d0/0x1d0 [ 1666.034885] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1666.039882] ? kmem_cache_alloc+0x35f/0x3c0 [ 1666.044186] submit_bio+0x234/0x390 [ 1666.047793] ? generic_make_request+0x850/0x850 [ 1666.052440] ? __lockdep_init_map+0x100/0x560 [ 1666.056912] ? __lockdep_init_map+0x100/0x560 [ 1666.061410] submit_bio_wait+0xe8/0x140 [ 1666.065365] ? submit_bio_wait_endio+0xb0/0xb0 [ 1666.069938] blkdev_issue_flush+0x218/0x320 [ 1666.074240] ext4_sync_fs+0x46f/0x7e0 [ 1666.078019] ? bdev_try_to_free_page+0x150/0x150 [ 1666.082753] ? iterate_supers+0xda/0x490 [ 1666.086794] ? bdev_try_to_free_page+0x150/0x150 [ 1666.091533] ? vfs_fsync_range+0x260/0x260 [ 1666.095757] sync_fs_one_sb+0xb1/0xe0 [ 1666.099542] iterate_supers+0x124/0x490 [ 1666.103497] sys_sync+0x9a/0x130 [ 1666.106842] ? vfs_fsync+0x210/0x210 [ 1666.110538] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1666.115533] ? vfs_fsync+0x210/0x210 [ 1666.119226] do_syscall_64+0x1d5/0x640 [ 1666.123098] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1666.128265] RIP: 0033:0x7f3c6be997c9 [ 1666.131968] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1666.139662] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1666.146916] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1666.154164] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1666.161411] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1666.168658] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000002a [ 1666.189864] FAULT_INJECTION: forcing a failure. [ 1666.189864] name failslab, interval 1, probability 0, space 0, times 0 [ 1666.202310] CPU: 1 PID: 11590 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1666.210274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1666.219614] Call Trace: [ 1666.222233] dump_stack+0x1b2/0x281 [ 1666.225865] should_fail.cold+0x10a/0x149 [ 1666.230012] should_failslab+0xd6/0x130 [ 1666.233980] kmem_cache_alloc+0x28e/0x3c0 [ 1666.238127] start_transaction+0x27c/0xf30 [ 1666.242360] ? vfs_fsync_range+0x260/0x260 [ 1666.246628] btrfs_attach_transaction_barrier+0x22/0x80 [ 1666.251989] btrfs_sync_fs+0xcd/0x430 [ 1666.255784] ? btrfs_freeze+0xb0/0xb0 executing program [ 1666.259580] ? vfs_fsync_range+0x260/0x260 [ 1666.263804] sync_fs_one_sb+0xb1/0xe0 [ 1666.267595] iterate_supers+0x124/0x490 [ 1666.271575] sys_sync+0x9a/0x130 [ 1666.274935] ? vfs_fsync+0x210/0x210 [ 1666.278644] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1666.283650] ? vfs_fsync+0x210/0x210 [ 1666.287351] do_syscall_64+0x1d5/0x640 [ 1666.291253] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1666.296452] RIP: 0033:0x7f3c6be997c9 [ 1666.300145] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 executing program executing program [ 1666.307843] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1666.315095] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1666.322366] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1666.329611] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1666.336868] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000002a [ 1666.398537] FAULT_INJECTION: forcing a failure. [ 1666.398537] name failslab, interval 1, probability 0, space 0, times 0 [ 1666.399503] FAULT_INJECTION: forcing a failure. [ 1666.399503] name failslab, interval 1, probability 0, space 0, times 0 [ 1666.413901] CPU: 0 PID: 11597 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1666.428978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1666.438319] Call Trace: [ 1666.440895] dump_stack+0x1b2/0x281 [ 1666.444506] should_fail.cold+0x10a/0x149 [ 1666.448632] ? sync_fs_one_sb+0xb1/0xe0 [ 1666.452585] should_failslab+0xd6/0x130 [ 1666.456539] kmem_cache_alloc_node+0x54/0x410 [ 1666.461015] create_task_io_context+0x2a/0x3c0 [ 1666.465580] generic_make_request_checks+0x1350/0x19f0 [ 1666.470851] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1666.475245] ? flush_workqueue+0x129/0x1310 [ 1666.479548] ? flush_workqueue+0x49b/0x1310 [ 1666.483850] generic_make_request+0x67/0x850 [ 1666.488240] ? mempool_alloc+0x10e/0x2d0 [ 1666.492283] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1666.497715] ? blk_queue_exit+0x1d0/0x1d0 [ 1666.501844] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1666.506843] ? kmem_cache_alloc+0x35f/0x3c0 [ 1666.511152] submit_bio+0x234/0x390 [ 1666.514766] ? generic_make_request+0x850/0x850 [ 1666.519412] ? __lockdep_init_map+0x100/0x560 [ 1666.523886] ? __lockdep_init_map+0x100/0x560 [ 1666.528363] submit_bio_wait+0xe8/0x140 [ 1666.532337] ? submit_bio_wait_endio+0xb0/0xb0 [ 1666.536922] blkdev_issue_flush+0x218/0x320 [ 1666.541229] ext4_sync_fs+0x46f/0x7e0 [ 1666.545012] ? bdev_try_to_free_page+0x150/0x150 [ 1666.549748] ? iterate_supers+0xda/0x490 [ 1666.553790] ? bdev_try_to_free_page+0x150/0x150 [ 1666.558539] ? vfs_fsync_range+0x260/0x260 [ 1666.562755] sync_fs_one_sb+0xb1/0xe0 [ 1666.566544] iterate_supers+0x124/0x490 [ 1666.570514] sys_sync+0x9a/0x130 [ 1666.573862] ? vfs_fsync+0x210/0x210 [ 1666.577570] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1666.582565] ? vfs_fsync+0x210/0x210 [ 1666.586260] do_syscall_64+0x1d5/0x640 [ 1666.590128] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1666.595311] RIP: 0033:0x7f3c6be997c9 [ 1666.599000] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1666.606688] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1666.613938] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1666.621186] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1666.628449] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1666.635699] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000002e [ 1666.642962] CPU: 1 PID: 11602 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1666.650919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1666.660251] Call Trace: [ 1666.662818] dump_stack+0x1b2/0x281 [ 1666.666427] should_fail.cold+0x10a/0x149 [ 1666.670553] ? sync_fs_one_sb+0xb1/0xe0 [ 1666.674504] should_failslab+0xd6/0x130 [ 1666.678457] kmem_cache_alloc_node+0x54/0x410 [ 1666.682932] create_task_io_context+0x2a/0x3c0 [ 1666.687491] generic_make_request_checks+0x1350/0x19f0 [ 1666.692745] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1666.697131] ? flush_workqueue+0x129/0x1310 [ 1666.701428] ? flush_workqueue+0x49b/0x1310 [ 1666.705727] generic_make_request+0x67/0x850 [ 1666.710116] ? mempool_alloc+0x10e/0x2d0 [ 1666.714154] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1666.719578] ? blk_queue_exit+0x1d0/0x1d0 [ 1666.723703] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1666.728700] ? kmem_cache_alloc+0x35f/0x3c0 [ 1666.733002] submit_bio+0x234/0x390 [ 1666.736624] ? generic_make_request+0x850/0x850 [ 1666.741271] ? __lockdep_init_map+0x100/0x560 [ 1666.745753] ? __lockdep_init_map+0x100/0x560 [ 1666.750241] submit_bio_wait+0xe8/0x140 [ 1666.754191] ? submit_bio_wait_endio+0xb0/0xb0 [ 1666.758771] blkdev_issue_flush+0x218/0x320 [ 1666.763077] ext4_sync_fs+0x46f/0x7e0 [ 1666.766856] ? bdev_try_to_free_page+0x150/0x150 [ 1666.771594] ? iterate_supers+0xda/0x490 [ 1666.775648] ? bdev_try_to_free_page+0x150/0x150 [ 1666.780387] ? vfs_fsync_range+0x260/0x260 [ 1666.784598] sync_fs_one_sb+0xb1/0xe0 [ 1666.788379] iterate_supers+0x124/0x490 [ 1666.792347] sys_sync+0x9a/0x130 [ 1666.795692] ? vfs_fsync+0x210/0x210 [ 1666.799387] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1666.804380] ? vfs_fsync+0x210/0x210 [ 1666.808069] do_syscall_64+0x1d5/0x640 [ 1666.811941] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1666.817109] RIP: 0033:0x7f3c6be997c9 [ 1666.820796] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1666.828484] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1666.835730] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1666.842993] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 executing program [ 1666.850246] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1666.857495] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000002d [ 1666.869565] FAULT_INJECTION: forcing a failure. [ 1666.869565] name failslab, interval 1, probability 0, space 0, times 0 [ 1666.915215] CPU: 1 PID: 11607 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1666.923188] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1666.932536] Call Trace: [ 1666.935121] dump_stack+0x1b2/0x281 [ 1666.938745] should_fail.cold+0x10a/0x149 [ 1666.942890] should_failslab+0xd6/0x130 [ 1666.946863] kmem_cache_alloc+0x28e/0x3c0 [ 1666.951008] start_transaction+0x27c/0xf30 [ 1666.955243] ? vfs_fsync_range+0x260/0x260 [ 1666.959473] btrfs_attach_transaction_barrier+0x22/0x80 [ 1666.964832] btrfs_sync_fs+0xcd/0x430 [ 1666.968635] ? btrfs_freeze+0xb0/0xb0 [ 1666.972430] ? vfs_fsync_range+0x260/0x260 [ 1666.976657] sync_fs_one_sb+0xb1/0xe0 [ 1666.980448] iterate_supers+0x124/0x490 [ 1666.984415] sys_sync+0x9a/0x130 [ 1666.987771] ? vfs_fsync+0x210/0x210 [ 1666.991501] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1666.996498] ? vfs_fsync+0x210/0x210 [ 1667.000191] do_syscall_64+0x1d5/0x640 [ 1667.004081] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1667.009246] RIP: 0033:0x7f3c6be997c9 executing program [ 1667.012933] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1667.020616] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1667.027868] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1667.035130] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1667.042378] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1667.049642] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000004c executing program [ 1667.128876] FAULT_INJECTION: forcing a failure. [ 1667.128876] name failslab, interval 1, probability 0, space 0, times 0 [ 1667.152588] CPU: 0 PID: 11615 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1667.160562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1667.169907] Call Trace: [ 1667.172477] dump_stack+0x1b2/0x281 [ 1667.176089] should_fail.cold+0x10a/0x149 [ 1667.180218] ? sync_fs_one_sb+0xb1/0xe0 [ 1667.184187] should_failslab+0xd6/0x130 [ 1667.188165] kmem_cache_alloc_node+0x54/0x410 [ 1667.192647] create_task_io_context+0x2a/0x3c0 [ 1667.197211] generic_make_request_checks+0x1350/0x19f0 [ 1667.202468] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1667.206855] ? flush_workqueue+0x129/0x1310 [ 1667.211155] ? flush_workqueue+0x49b/0x1310 [ 1667.215455] generic_make_request+0x67/0x850 [ 1667.219855] ? mempool_alloc+0x10e/0x2d0 [ 1667.223894] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1667.229327] ? blk_queue_exit+0x1d0/0x1d0 [ 1667.233639] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1667.238635] ? kmem_cache_alloc+0x35f/0x3c0 [ 1667.242942] submit_bio+0x234/0x390 [ 1667.246565] ? generic_make_request+0x850/0x850 [ 1667.251226] ? __lockdep_init_map+0x100/0x560 [ 1667.255702] ? __lockdep_init_map+0x100/0x560 [ 1667.260181] submit_bio_wait+0xe8/0x140 [ 1667.264133] ? submit_bio_wait_endio+0xb0/0xb0 [ 1667.268720] blkdev_issue_flush+0x218/0x320 [ 1667.273025] ext4_sync_fs+0x46f/0x7e0 [ 1667.276823] ? bdev_try_to_free_page+0x150/0x150 [ 1667.281556] ? iterate_supers+0xda/0x490 [ 1667.285599] ? bdev_try_to_free_page+0x150/0x150 [ 1667.290336] ? vfs_fsync_range+0x260/0x260 [ 1667.294569] sync_fs_one_sb+0xb1/0xe0 [ 1667.298353] iterate_supers+0x124/0x490 [ 1667.302307] sys_sync+0x9a/0x130 [ 1667.305654] ? vfs_fsync+0x210/0x210 [ 1667.309368] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1667.314380] ? vfs_fsync+0x210/0x210 [ 1667.318072] do_syscall_64+0x1d5/0x640 [ 1667.321943] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 1667.327126] RIP: 0033:0x7f3c6be997c9 [ 1667.330815] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1667.338501] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1667.345751] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1667.353004] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1667.360251] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1667.367500] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000002b [ 1667.402991] FAULT_INJECTION: forcing a failure. [ 1667.402991] name failslab, interval 1, probability 0, space 0, times 0 [ 1667.414322] FAULT_INJECTION: forcing a failure. [ 1667.414322] name failslab, interval 1, probability 0, space 0, times 0 [ 1667.414332] CPU: 0 PID: 11630 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1667.414343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1667.414346] Call Trace: [ 1667.414359] dump_stack+0x1b2/0x281 [ 1667.414371] should_fail.cold+0x10a/0x149 [ 1667.414383] should_failslab+0xd6/0x130 [ 1667.414393] kmem_cache_alloc+0x28e/0x3c0 [ 1667.414403] start_transaction+0x27c/0xf30 [ 1667.414418] ? vfs_fsync_range+0x260/0x260 [ 1667.414425] btrfs_attach_transaction_barrier+0x22/0x80 [ 1667.414435] btrfs_sync_fs+0xcd/0x430 [ 1667.414443] ? btrfs_freeze+0xb0/0xb0 [ 1667.414451] ? vfs_fsync_range+0x260/0x260 [ 1667.414458] sync_fs_one_sb+0xb1/0xe0 [ 1667.414466] iterate_supers+0x124/0x490 [ 1667.414476] sys_sync+0x9a/0x130 [ 1667.414484] ? vfs_fsync+0x210/0x210 [ 1667.414496] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1667.414503] ? vfs_fsync+0x210/0x210 [ 1667.414510] do_syscall_64+0x1d5/0x640 [ 1667.414522] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1667.414529] RIP: 0033:0x7f3c6be997c9 [ 1667.414533] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1667.414542] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1667.414547] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1667.414551] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1667.414556] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1667.414560] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000002f [ 1667.414959] FAULT_INJECTION: forcing a failure. [ 1667.414959] name failslab, interval 1, probability 0, space 0, times 0 [ 1667.443591] CPU: 1 PID: 11621 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1667.586375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1667.595713] Call Trace: [ 1667.598285] dump_stack+0x1b2/0x281 [ 1667.601902] should_fail.cold+0x10a/0x149 [ 1667.606030] ? sync_fs_one_sb+0xb1/0xe0 [ 1667.609986] should_failslab+0xd6/0x130 [ 1667.613941] kmem_cache_alloc_node+0x54/0x410 [ 1667.618416] create_task_io_context+0x2a/0x3c0 [ 1667.622979] generic_make_request_checks+0x1350/0x19f0 [ 1667.628235] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1667.632631] ? flush_workqueue+0x129/0x1310 [ 1667.636935] ? flush_workqueue+0x49b/0x1310 [ 1667.641243] generic_make_request+0x67/0x850 [ 1667.645633] ? mempool_alloc+0x10e/0x2d0 [ 1667.649688] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1667.655114] ? blk_queue_exit+0x1d0/0x1d0 [ 1667.659240] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1667.664232] ? kmem_cache_alloc+0x35f/0x3c0 [ 1667.668534] submit_bio+0x234/0x390 [ 1667.672140] ? generic_make_request+0x850/0x850 [ 1667.676803] ? __lockdep_init_map+0x100/0x560 [ 1667.681278] ? __lockdep_init_map+0x100/0x560 [ 1667.685757] submit_bio_wait+0xe8/0x140 [ 1667.689711] ? submit_bio_wait_endio+0xb0/0xb0 [ 1667.694281] blkdev_issue_flush+0x218/0x320 [ 1667.698584] ext4_sync_fs+0x46f/0x7e0 [ 1667.702363] ? bdev_try_to_free_page+0x150/0x150 [ 1667.707105] ? iterate_supers+0xda/0x490 [ 1667.711143] ? bdev_try_to_free_page+0x150/0x150 [ 1667.715877] ? vfs_fsync_range+0x260/0x260 [ 1667.720092] sync_fs_one_sb+0xb1/0xe0 [ 1667.723872] iterate_supers+0x124/0x490 [ 1667.727829] sys_sync+0x9a/0x130 [ 1667.731172] ? vfs_fsync+0x210/0x210 [ 1667.734867] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1667.739856] ? vfs_fsync+0x210/0x210 [ 1667.743547] do_syscall_64+0x1d5/0x640 [ 1667.747416] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1667.752597] RIP: 0033:0x7f3c6be997c9 [ 1667.756286] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1667.763972] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1667.771221] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1667.778466] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1667.785722] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1667.792969] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000002c executing program [ 1667.809901] CPU: 1 PID: 11634 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1667.817874] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1667.827218] Call Trace: [ 1667.829824] dump_stack+0x1b2/0x281 [ 1667.833451] should_fail.cold+0x10a/0x149 [ 1667.837597] ? sync_fs_one_sb+0xb1/0xe0 [ 1667.841567] should_failslab+0xd6/0x130 [ 1667.845538] kmem_cache_alloc_node+0x54/0x410 [ 1667.850020] create_task_io_context+0x2a/0x3c0 [ 1667.854581] generic_make_request_checks+0x1350/0x19f0 [ 1667.859862] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1667.864254] ? flush_workqueue+0x129/0x1310 [ 1667.868554] ? flush_workqueue+0x49b/0x1310 [ 1667.872852] generic_make_request+0x67/0x850 [ 1667.877236] ? mempool_alloc+0x10e/0x2d0 [ 1667.881271] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1667.886697] ? blk_queue_exit+0x1d0/0x1d0 [ 1667.890837] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1667.895829] ? kmem_cache_alloc+0x35f/0x3c0 [ 1667.900129] submit_bio+0x234/0x390 [ 1667.903734] ? generic_make_request+0x850/0x850 [ 1667.908375] ? __lockdep_init_map+0x100/0x560 [ 1667.912853] ? __lockdep_init_map+0x100/0x560 [ 1667.917327] submit_bio_wait+0xe8/0x140 [ 1667.921276] ? submit_bio_wait_endio+0xb0/0xb0 [ 1667.925838] blkdev_issue_flush+0x218/0x320 [ 1667.930141] ext4_sync_fs+0x46f/0x7e0 [ 1667.933971] ? bdev_try_to_free_page+0x150/0x150 [ 1667.938724] ? iterate_supers+0xda/0x490 [ 1667.942764] ? bdev_try_to_free_page+0x150/0x150 [ 1667.947504] ? vfs_fsync_range+0x260/0x260 [ 1667.951714] sync_fs_one_sb+0xb1/0xe0 [ 1667.955508] iterate_supers+0x124/0x490 [ 1667.959466] sys_sync+0x9a/0x130 [ 1667.962808] ? vfs_fsync+0x210/0x210 [ 1667.966514] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1667.971516] ? vfs_fsync+0x210/0x210 [ 1667.975209] do_syscall_64+0x1d5/0x640 [ 1667.979074] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1667.984238] RIP: 0033:0x7f3c6be997c9 [ 1667.987925] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1667.995623] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1668.002884] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 executing program [ 1668.010131] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1668.017379] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1668.024623] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000002b [ 1668.078260] FAULT_INJECTION: forcing a failure. [ 1668.078260] name failslab, interval 1, probability 0, space 0, times 0 [ 1668.078670] FAULT_INJECTION: forcing a failure. [ 1668.078670] name failslab, interval 1, probability 0, space 0, times 0 [ 1668.109218] CPU: 0 PID: 11640 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1668.117220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1668.126568] Call Trace: [ 1668.129154] dump_stack+0x1b2/0x281 [ 1668.132867] should_fail.cold+0x10a/0x149 [ 1668.137008] ? sync_fs_one_sb+0xb1/0xe0 [ 1668.141001] should_failslab+0xd6/0x130 [ 1668.144958] kmem_cache_alloc_node+0x54/0x410 [ 1668.149445] create_task_io_context+0x2a/0x3c0 [ 1668.154023] generic_make_request_checks+0x1350/0x19f0 [ 1668.159292] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1668.163701] ? flush_workqueue+0x129/0x1310 [ 1668.168002] ? flush_workqueue+0x49b/0x1310 [ 1668.172327] generic_make_request+0x67/0x850 [ 1668.176717] ? mempool_alloc+0x10e/0x2d0 [ 1668.180777] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1668.186217] ? blk_queue_exit+0x1d0/0x1d0 [ 1668.190344] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1668.195339] ? kmem_cache_alloc+0x35f/0x3c0 [ 1668.199641] submit_bio+0x234/0x390 [ 1668.203254] ? generic_make_request+0x850/0x850 [ 1668.207912] ? __lockdep_init_map+0x100/0x560 [ 1668.212388] ? __lockdep_init_map+0x100/0x560 [ 1668.216885] submit_bio_wait+0xe8/0x140 [ 1668.220862] ? submit_bio_wait_endio+0xb0/0xb0 [ 1668.225431] blkdev_issue_flush+0x218/0x320 [ 1668.229735] ext4_sync_fs+0x46f/0x7e0 [ 1668.233526] ? bdev_try_to_free_page+0x150/0x150 [ 1668.238262] ? iterate_supers+0xda/0x490 [ 1668.242312] ? bdev_try_to_free_page+0x150/0x150 [ 1668.247053] ? vfs_fsync_range+0x260/0x260 [ 1668.251268] sync_fs_one_sb+0xb1/0xe0 [ 1668.255063] iterate_supers+0x124/0x490 [ 1668.259023] sys_sync+0x9a/0x130 [ 1668.262387] ? vfs_fsync+0x210/0x210 [ 1668.266090] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1668.271091] ? vfs_fsync+0x210/0x210 [ 1668.274800] do_syscall_64+0x1d5/0x640 [ 1668.278676] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1668.283846] RIP: 0033:0x7f3c6be997c9 [ 1668.287536] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1668.295230] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1668.302482] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1668.309734] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1668.316988] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 executing program [ 1668.324237] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000030 [ 1668.331498] CPU: 1 PID: 11645 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1668.339461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1668.348808] Call Trace: [ 1668.351396] dump_stack+0x1b2/0x281 [ 1668.355022] should_fail.cold+0x10a/0x149 [ 1668.359165] ? sync_fs_one_sb+0xb1/0xe0 [ 1668.363136] should_failslab+0xd6/0x130 [ 1668.367107] kmem_cache_alloc_node+0x54/0x410 [ 1668.371602] create_task_io_context+0x2a/0x3c0 [ 1668.376179] generic_make_request_checks+0x1350/0x19f0 [ 1668.381454] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1668.385861] ? flush_workqueue+0x129/0x1310 [ 1668.390179] ? flush_workqueue+0x49b/0x1310 [ 1668.394499] generic_make_request+0x67/0x850 [ 1668.398914] ? mempool_alloc+0x10e/0x2d0 [ 1668.402964] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1668.408397] ? blk_queue_exit+0x1d0/0x1d0 [ 1668.412531] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1668.417529] ? kmem_cache_alloc+0x35f/0x3c0 [ 1668.421834] submit_bio+0x234/0x390 [ 1668.425438] ? generic_make_request+0x850/0x850 [ 1668.430082] ? __lockdep_init_map+0x100/0x560 [ 1668.434552] ? __lockdep_init_map+0x100/0x560 [ 1668.439041] submit_bio_wait+0xe8/0x140 [ 1668.442997] ? submit_bio_wait_endio+0xb0/0xb0 [ 1668.447569] blkdev_issue_flush+0x218/0x320 [ 1668.451875] ext4_sync_fs+0x46f/0x7e0 [ 1668.455669] ? bdev_try_to_free_page+0x150/0x150 [ 1668.460405] ? iterate_supers+0xda/0x490 [ 1668.464452] ? bdev_try_to_free_page+0x150/0x150 [ 1668.469183] ? vfs_fsync_range+0x260/0x260 [ 1668.473395] sync_fs_one_sb+0xb1/0xe0 [ 1668.477172] iterate_supers+0x124/0x490 [ 1668.481126] sys_sync+0x9a/0x130 [ 1668.484466] ? vfs_fsync+0x210/0x210 [ 1668.488164] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1668.493171] ? vfs_fsync+0x210/0x210 [ 1668.496863] do_syscall_64+0x1d5/0x640 [ 1668.500744] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1668.505916] RIP: 0033:0x7f3c6be997c9 [ 1668.509600] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1668.517298] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 executing program [ 1668.524549] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1668.531801] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1668.539049] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1668.546324] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000004d [ 1668.599422] FAULT_INJECTION: forcing a failure. [ 1668.599422] name failslab, interval 1, probability 0, space 0, times 0 [ 1668.599531] FAULT_INJECTION: forcing a failure. [ 1668.599531] name failslab, interval 1, probability 0, space 0, times 0 [ 1668.613671] CPU: 1 PID: 11659 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1668.629910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1668.639253] Call Trace: [ 1668.641834] dump_stack+0x1b2/0x281 [ 1668.645456] should_fail.cold+0x10a/0x149 [ 1668.649596] ? sync_fs_one_sb+0xb1/0xe0 [ 1668.653564] should_failslab+0xd6/0x130 [ 1668.657532] kmem_cache_alloc_node+0x54/0x410 [ 1668.662018] create_task_io_context+0x2a/0x3c0 [ 1668.666593] generic_make_request_checks+0x1350/0x19f0 [ 1668.671865] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1668.676265] ? flush_workqueue+0x129/0x1310 [ 1668.680582] ? flush_workqueue+0x49b/0x1310 [ 1668.684899] generic_make_request+0x67/0x850 [ 1668.689301] ? mempool_alloc+0x10e/0x2d0 [ 1668.693351] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1668.698782] ? blk_queue_exit+0x1d0/0x1d0 [ 1668.702909] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1668.707924] ? kmem_cache_alloc+0x35f/0x3c0 [ 1668.712229] submit_bio+0x234/0x390 [ 1668.715851] ? generic_make_request+0x850/0x850 [ 1668.720495] ? __lockdep_init_map+0x100/0x560 [ 1668.724969] ? __lockdep_init_map+0x100/0x560 [ 1668.729444] submit_bio_wait+0xe8/0x140 [ 1668.733414] ? submit_bio_wait_endio+0xb0/0xb0 [ 1668.737999] blkdev_issue_flush+0x218/0x320 [ 1668.742315] ext4_sync_fs+0x46f/0x7e0 executing program [ 1668.746109] ? bdev_try_to_free_page+0x150/0x150 [ 1668.750849] ? iterate_supers+0xda/0x490 [ 1668.754898] ? bdev_try_to_free_page+0x150/0x150 [ 1668.759636] ? vfs_fsync_range+0x260/0x260 [ 1668.763850] sync_fs_one_sb+0xb1/0xe0 [ 1668.767632] iterate_supers+0x124/0x490 [ 1668.771588] sys_sync+0x9a/0x130 [ 1668.774932] ? vfs_fsync+0x210/0x210 [ 1668.778629] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1668.783622] ? vfs_fsync+0x210/0x210 [ 1668.787312] do_syscall_64+0x1d5/0x640 [ 1668.791195] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1668.796380] RIP: 0033:0x7f3c6be997c9 [ 1668.800067] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1668.807758] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1668.815010] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1668.822258] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1668.829505] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1668.836758] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000002c [ 1668.844040] CPU: 0 PID: 11652 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1668.851998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1668.861328] Call Trace: [ 1668.863895] dump_stack+0x1b2/0x281 [ 1668.867506] should_fail.cold+0x10a/0x149 [ 1668.871633] ? sync_fs_one_sb+0xb1/0xe0 [ 1668.875588] should_failslab+0xd6/0x130 [ 1668.879545] kmem_cache_alloc_node+0x54/0x410 [ 1668.884038] create_task_io_context+0x2a/0x3c0 [ 1668.888598] generic_make_request_checks+0x1350/0x19f0 [ 1668.893855] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1668.898241] ? flush_workqueue+0x129/0x1310 [ 1668.902538] ? flush_workqueue+0x49b/0x1310 [ 1668.906838] generic_make_request+0x67/0x850 [ 1668.911227] ? mempool_alloc+0x10e/0x2d0 [ 1668.915273] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1668.920705] ? blk_queue_exit+0x1d0/0x1d0 [ 1668.924833] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1668.929827] ? kmem_cache_alloc+0x35f/0x3c0 [ 1668.934129] submit_bio+0x234/0x390 [ 1668.937736] ? generic_make_request+0x850/0x850 [ 1668.942382] ? __lockdep_init_map+0x100/0x560 [ 1668.946855] ? __lockdep_init_map+0x100/0x560 [ 1668.951332] submit_bio_wait+0xe8/0x140 [ 1668.955284] ? submit_bio_wait_endio+0xb0/0xb0 [ 1668.959886] blkdev_issue_flush+0x218/0x320 [ 1668.964188] ext4_sync_fs+0x46f/0x7e0 [ 1668.967970] ? bdev_try_to_free_page+0x150/0x150 [ 1668.972708] ? iterate_supers+0xda/0x490 [ 1668.976751] ? bdev_try_to_free_page+0x150/0x150 [ 1668.981498] ? vfs_fsync_range+0x260/0x260 [ 1668.985715] sync_fs_one_sb+0xb1/0xe0 [ 1668.989494] iterate_supers+0x124/0x490 [ 1668.993449] sys_sync+0x9a/0x130 [ 1668.996797] ? vfs_fsync+0x210/0x210 [ 1669.000491] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1669.005482] ? vfs_fsync+0x210/0x210 [ 1669.009172] do_syscall_64+0x1d5/0x640 [ 1669.013041] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1669.018210] RIP: 0033:0x7f3c6be997c9 [ 1669.021899] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1669.029583] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1669.036839] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1669.044089] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 executing program [ 1669.051335] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1669.058859] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000002e executing program [ 1669.158139] FAULT_INJECTION: forcing a failure. [ 1669.158139] name failslab, interval 1, probability 0, space 0, times 0 [ 1669.175593] CPU: 1 PID: 11672 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1669.183566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1669.192903] Call Trace: [ 1669.195475] dump_stack+0x1b2/0x281 [ 1669.199086] should_fail.cold+0x10a/0x149 [ 1669.203222] ? sync_fs_one_sb+0xb1/0xe0 [ 1669.207182] should_failslab+0xd6/0x130 [ 1669.211140] kmem_cache_alloc_node+0x54/0x410 [ 1669.215619] create_task_io_context+0x2a/0x3c0 [ 1669.220182] generic_make_request_checks+0x1350/0x19f0 [ 1669.225442] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1669.229845] ? flush_workqueue+0x129/0x1310 [ 1669.234152] ? flush_workqueue+0x49b/0x1310 [ 1669.238459] generic_make_request+0x67/0x850 [ 1669.242854] ? mempool_alloc+0x10e/0x2d0 [ 1669.246901] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1669.252342] ? blk_queue_exit+0x1d0/0x1d0 [ 1669.256471] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1669.261466] ? kmem_cache_alloc+0x35f/0x3c0 [ 1669.265779] submit_bio+0x234/0x390 [ 1669.269389] ? generic_make_request+0x850/0x850 [ 1669.274037] ? __lockdep_init_map+0x100/0x560 [ 1669.278509] ? __lockdep_init_map+0x100/0x560 [ 1669.282985] submit_bio_wait+0xe8/0x140 [ 1669.286942] ? submit_bio_wait_endio+0xb0/0xb0 [ 1669.291511] blkdev_issue_flush+0x218/0x320 [ 1669.295815] ext4_sync_fs+0x46f/0x7e0 [ 1669.299594] ? bdev_try_to_free_page+0x150/0x150 [ 1669.304327] ? iterate_supers+0xda/0x490 [ 1669.308364] ? bdev_try_to_free_page+0x150/0x150 [ 1669.313098] ? vfs_fsync_range+0x260/0x260 [ 1669.317308] sync_fs_one_sb+0xb1/0xe0 [ 1669.321085] iterate_supers+0x124/0x490 [ 1669.325036] sys_sync+0x9a/0x130 [ 1669.328380] ? vfs_fsync+0x210/0x210 [ 1669.332074] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1669.337067] ? vfs_fsync+0x210/0x210 [ 1669.340759] do_syscall_64+0x1d5/0x640 [ 1669.344628] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1669.349799] RIP: 0033:0x7f3c6be997c9 [ 1669.353485] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1669.361171] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1669.368420] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1669.375669] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1669.382917] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1669.390166] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000002c [ 1669.408376] FAULT_INJECTION: forcing a failure. [ 1669.408376] name failslab, interval 1, probability 0, space 0, times 0 [ 1669.421814] CPU: 0 PID: 11662 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1669.429779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1669.439121] Call Trace: [ 1669.441704] dump_stack+0x1b2/0x281 [ 1669.445334] should_fail.cold+0x10a/0x149 [ 1669.449477] should_failslab+0xd6/0x130 [ 1669.453448] kmem_cache_alloc+0x28e/0x3c0 [ 1669.457585] start_transaction+0x27c/0xf30 [ 1669.461834] ? vfs_fsync_range+0x260/0x260 [ 1669.466048] btrfs_attach_transaction_barrier+0x22/0x80 [ 1669.471386] btrfs_sync_fs+0xcd/0x430 [ 1669.475192] ? btrfs_freeze+0xb0/0xb0 [ 1669.478968] ? vfs_fsync_range+0x260/0x260 [ 1669.483191] sync_fs_one_sb+0xb1/0xe0 [ 1669.486970] iterate_supers+0x124/0x490 [ 1669.491008] sys_sync+0x9a/0x130 [ 1669.494351] ? vfs_fsync+0x210/0x210 [ 1669.498041] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1669.503028] ? vfs_fsync+0x210/0x210 [ 1669.506721] do_syscall_64+0x1d5/0x640 [ 1669.510587] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1669.515752] RIP: 0033:0x7f3c6be997c9 [ 1669.519436] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1669.527126] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1669.534374] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1669.541631] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1669.548881] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1669.556126] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000031 [ 1669.565289] FAULT_INJECTION: forcing a failure. [ 1669.565289] name failslab, interval 1, probability 0, space 0, times 0 [ 1669.577969] CPU: 0 PID: 11677 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1669.585960] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1669.595302] Call Trace: [ 1669.597882] dump_stack+0x1b2/0x281 [ 1669.601505] should_fail.cold+0x10a/0x149 [ 1669.605653] should_failslab+0xd6/0x130 executing program [ 1669.609626] kmem_cache_alloc+0x28e/0x3c0 [ 1669.613777] start_transaction+0x27c/0xf30 [ 1669.618016] ? vfs_fsync_range+0x260/0x260 [ 1669.622245] btrfs_attach_transaction_barrier+0x22/0x80 [ 1669.627604] btrfs_sync_fs+0xcd/0x430 [ 1669.631402] ? btrfs_freeze+0xb0/0xb0 [ 1669.635196] ? vfs_fsync_range+0x260/0x260 [ 1669.639423] sync_fs_one_sb+0xb1/0xe0 [ 1669.643216] iterate_supers+0x124/0x490 [ 1669.647200] sys_sync+0x9a/0x130 [ 1669.650554] ? vfs_fsync+0x210/0x210 [ 1669.654244] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1669.659233] ? vfs_fsync+0x210/0x210 [ 1669.662929] do_syscall_64+0x1d5/0x640 [ 1669.666802] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1669.671970] RIP: 0033:0x7f3c6be997c9 [ 1669.675662] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1669.683356] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1669.690603] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1669.697859] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 executing program executing program [ 1669.705104] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1669.712365] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000002d executing program [ 1669.788906] FAULT_INJECTION: forcing a failure. [ 1669.788906] name failslab, interval 1, probability 0, space 0, times 0 [ 1669.800295] FAULT_INJECTION: forcing a failure. [ 1669.800295] name failslab, interval 1, probability 0, space 0, times 0 [ 1669.806408] FAULT_INJECTION: forcing a failure. [ 1669.806408] name failslab, interval 1, probability 0, space 0, times 0 [ 1669.815828] CPU: 0 PID: 11684 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1669.825204] FAULT_INJECTION: forcing a failure. [ 1669.825204] name failslab, interval 1, probability 0, space 0, times 0 [ 1669.830808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1669.830812] Call Trace: [ 1669.830825] dump_stack+0x1b2/0x281 [ 1669.830838] should_fail.cold+0x10a/0x149 [ 1669.830848] ? sync_fs_one_sb+0xb1/0xe0 [ 1669.830856] should_failslab+0xd6/0x130 [ 1669.830866] kmem_cache_alloc_node+0x54/0x410 [ 1669.830877] create_task_io_context+0x2a/0x3c0 [ 1669.830886] generic_make_request_checks+0x1350/0x19f0 [ 1669.830897] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1669.830906] ? flush_workqueue+0x129/0x1310 [ 1669.830914] ? flush_workqueue+0x49b/0x1310 [ 1669.830924] generic_make_request+0x67/0x850 [ 1669.830934] ? mempool_alloc+0x10e/0x2d0 [ 1669.830943] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1669.830950] ? blk_queue_exit+0x1d0/0x1d0 [ 1669.830958] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1669.830966] ? kmem_cache_alloc+0x35f/0x3c0 [ 1669.830977] submit_bio+0x234/0x390 [ 1669.830986] ? generic_make_request+0x850/0x850 [ 1669.830994] ? __lockdep_init_map+0x100/0x560 [ 1669.831002] ? __lockdep_init_map+0x100/0x560 [ 1669.831014] submit_bio_wait+0xe8/0x140 [ 1669.945476] ? submit_bio_wait_endio+0xb0/0xb0 [ 1669.950062] blkdev_issue_flush+0x218/0x320 [ 1669.954364] ext4_sync_fs+0x46f/0x7e0 [ 1669.958144] ? bdev_try_to_free_page+0x150/0x150 [ 1669.962877] ? iterate_supers+0xda/0x490 [ 1669.966923] ? bdev_try_to_free_page+0x150/0x150 [ 1669.971660] ? vfs_fsync_range+0x260/0x260 [ 1669.975874] sync_fs_one_sb+0xb1/0xe0 [ 1669.979657] iterate_supers+0x124/0x490 [ 1669.983621] sys_sync+0x9a/0x130 [ 1669.986970] ? vfs_fsync+0x210/0x210 [ 1669.990676] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1669.995677] ? vfs_fsync+0x210/0x210 [ 1669.999372] do_syscall_64+0x1d5/0x640 [ 1670.003243] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1670.008410] RIP: 0033:0x7f3c6be997c9 [ 1670.012110] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1670.019808] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1670.027055] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1670.034301] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1670.041549] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1670.048799] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000004e [ 1670.056057] CPU: 1 PID: 11700 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1670.064031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1670.073367] Call Trace: [ 1670.075952] dump_stack+0x1b2/0x281 [ 1670.079680] should_fail.cold+0x10a/0x149 [ 1670.083872] ? sync_fs_one_sb+0xb1/0xe0 [ 1670.087828] should_failslab+0xd6/0x130 [ 1670.091785] kmem_cache_alloc_node+0x54/0x410 [ 1670.096261] create_task_io_context+0x2a/0x3c0 [ 1670.100823] generic_make_request_checks+0x1350/0x19f0 [ 1670.106081] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1670.110471] ? flush_workqueue+0x129/0x1310 [ 1670.114772] ? flush_workqueue+0x49b/0x1310 [ 1670.119162] generic_make_request+0x67/0x850 [ 1670.123548] ? mempool_alloc+0x10e/0x2d0 [ 1670.127590] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1670.133020] ? blk_queue_exit+0x1d0/0x1d0 [ 1670.137146] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1670.142140] ? kmem_cache_alloc+0x35f/0x3c0 [ 1670.146441] submit_bio+0x234/0x390 [ 1670.150046] ? generic_make_request+0x850/0x850 [ 1670.154693] ? __lockdep_init_map+0x100/0x560 [ 1670.159174] ? __lockdep_init_map+0x100/0x560 [ 1670.163650] submit_bio_wait+0xe8/0x140 [ 1670.167610] ? submit_bio_wait_endio+0xb0/0xb0 [ 1670.172179] blkdev_issue_flush+0x218/0x320 [ 1670.176479] ext4_sync_fs+0x46f/0x7e0 [ 1670.180272] ? bdev_try_to_free_page+0x150/0x150 [ 1670.185020] ? iterate_supers+0xda/0x490 [ 1670.189068] ? bdev_try_to_free_page+0x150/0x150 [ 1670.193808] ? vfs_fsync_range+0x260/0x260 [ 1670.198024] sync_fs_one_sb+0xb1/0xe0 [ 1670.201808] iterate_supers+0x124/0x490 [ 1670.205763] sys_sync+0x9a/0x130 [ 1670.209108] ? vfs_fsync+0x210/0x210 [ 1670.212804] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1670.217800] ? vfs_fsync+0x210/0x210 [ 1670.221497] do_syscall_64+0x1d5/0x640 [ 1670.225380] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1670.230546] RIP: 0033:0x7f3c6be997c9 [ 1670.234234] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1670.241923] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1670.249172] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1670.256573] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1670.263825] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1670.271074] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000002f [ 1670.288106] CPU: 0 PID: 11696 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1670.296077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1670.305410] Call Trace: [ 1670.307978] dump_stack+0x1b2/0x281 [ 1670.311604] should_fail.cold+0x10a/0x149 [ 1670.315733] should_failslab+0xd6/0x130 [ 1670.319688] kmem_cache_alloc+0x28e/0x3c0 [ 1670.323817] start_transaction+0x27c/0xf30 [ 1670.328034] ? vfs_fsync_range+0x260/0x260 [ 1670.332248] btrfs_attach_transaction_barrier+0x22/0x80 [ 1670.337590] btrfs_sync_fs+0xcd/0x430 [ 1670.341372] ? btrfs_freeze+0xb0/0xb0 [ 1670.345151] ? vfs_fsync_range+0x260/0x260 [ 1670.349365] sync_fs_one_sb+0xb1/0xe0 [ 1670.353143] iterate_supers+0x124/0x490 [ 1670.357097] sys_sync+0x9a/0x130 [ 1670.360439] ? vfs_fsync+0x210/0x210 [ 1670.364135] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1670.369127] ? vfs_fsync+0x210/0x210 [ 1670.372905] do_syscall_64+0x1d5/0x640 [ 1670.376776] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1670.381945] RIP: 0033:0x7f3c6be997c9 [ 1670.385637] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1670.393322] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1670.400580] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1670.407830] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1670.415078] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1670.422346] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000002d [ 1670.439142] CPU: 0 PID: 11690 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1670.447120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1670.456463] Call Trace: [ 1670.459050] dump_stack+0x1b2/0x281 [ 1670.462672] should_fail.cold+0x10a/0x149 [ 1670.466802] ? sync_fs_one_sb+0xb1/0xe0 [ 1670.470756] should_failslab+0xd6/0x130 [ 1670.474712] kmem_cache_alloc_node+0x54/0x410 [ 1670.479187] create_task_io_context+0x2a/0x3c0 [ 1670.483752] generic_make_request_checks+0x1350/0x19f0 [ 1670.489008] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1670.493395] ? flush_workqueue+0x129/0x1310 [ 1670.497713] ? flush_workqueue+0x49b/0x1310 [ 1670.502012] generic_make_request+0x67/0x850 [ 1670.506398] ? mempool_alloc+0x10e/0x2d0 [ 1670.510436] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1670.515867] ? blk_queue_exit+0x1d0/0x1d0 [ 1670.519999] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1670.524994] ? kmem_cache_alloc+0x35f/0x3c0 [ 1670.529294] submit_bio+0x234/0x390 [ 1670.532898] ? generic_make_request+0x850/0x850 [ 1670.537550] ? __lockdep_init_map+0x100/0x560 [ 1670.542022] ? __lockdep_init_map+0x100/0x560 [ 1670.546503] submit_bio_wait+0xe8/0x140 [ 1670.550454] ? submit_bio_wait_endio+0xb0/0xb0 [ 1670.555022] blkdev_issue_flush+0x218/0x320 [ 1670.559327] ext4_sync_fs+0x46f/0x7e0 [ 1670.563107] ? bdev_try_to_free_page+0x150/0x150 [ 1670.567855] ? iterate_supers+0xda/0x490 [ 1670.571913] ? bdev_try_to_free_page+0x150/0x150 [ 1670.576667] ? vfs_fsync_range+0x260/0x260 [ 1670.580877] sync_fs_one_sb+0xb1/0xe0 [ 1670.584654] iterate_supers+0x124/0x490 [ 1670.588607] sys_sync+0x9a/0x130 [ 1670.591950] ? vfs_fsync+0x210/0x210 [ 1670.595642] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1670.600633] ? vfs_fsync+0x210/0x210 [ 1670.604338] do_syscall_64+0x1d5/0x640 [ 1670.608209] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1670.613377] RIP: 0033:0x7f3c6be997c9 [ 1670.617068] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1670.624752] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1670.632000] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 executing program executing program [ 1670.639247] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1670.646493] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1670.653738] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000032 [ 1670.799356] FAULT_INJECTION: forcing a failure. [ 1670.799356] name failslab, interval 1, probability 0, space 0, times 0 [ 1670.799580] FAULT_INJECTION: forcing a failure. [ 1670.799580] name failslab, interval 1, probability 0, space 0, times 0 [ 1670.810751] CPU: 0 PID: 11712 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1670.829785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1670.839117] Call Trace: [ 1670.841689] dump_stack+0x1b2/0x281 [ 1670.845300] should_fail.cold+0x10a/0x149 [ 1670.849426] ? sync_fs_one_sb+0xb1/0xe0 [ 1670.853378] should_failslab+0xd6/0x130 [ 1670.857330] kmem_cache_alloc_node+0x54/0x410 [ 1670.861807] create_task_io_context+0x2a/0x3c0 [ 1670.866367] generic_make_request_checks+0x1350/0x19f0 [ 1670.871639] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1670.876031] ? flush_workqueue+0x129/0x1310 [ 1670.880333] ? flush_workqueue+0x49b/0x1310 [ 1670.884636] generic_make_request+0x67/0x850 [ 1670.889038] ? mempool_alloc+0x10e/0x2d0 [ 1670.893079] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1670.898507] ? blk_queue_exit+0x1d0/0x1d0 [ 1670.902635] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1670.907632] ? kmem_cache_alloc+0x35f/0x3c0 [ 1670.911935] submit_bio+0x234/0x390 [ 1670.915544] ? generic_make_request+0x850/0x850 [ 1670.920189] ? __lockdep_init_map+0x100/0x560 [ 1670.924681] ? __lockdep_init_map+0x100/0x560 [ 1670.929157] submit_bio_wait+0xe8/0x140 [ 1670.933112] ? submit_bio_wait_endio+0xb0/0xb0 [ 1670.937694] blkdev_issue_flush+0x218/0x320 [ 1670.941996] ext4_sync_fs+0x46f/0x7e0 [ 1670.945776] ? bdev_try_to_free_page+0x150/0x150 [ 1670.950510] ? iterate_supers+0xda/0x490 [ 1670.954551] ? bdev_try_to_free_page+0x150/0x150 [ 1670.959297] ? vfs_fsync_range+0x260/0x260 [ 1670.963512] sync_fs_one_sb+0xb1/0xe0 [ 1670.967291] iterate_supers+0x124/0x490 [ 1670.971245] sys_sync+0x9a/0x130 [ 1670.974600] ? vfs_fsync+0x210/0x210 [ 1670.978308] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1670.983300] ? vfs_fsync+0x210/0x210 [ 1670.986998] do_syscall_64+0x1d5/0x640 [ 1670.991051] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1670.996239] RIP: 0033:0x7f3c6be997c9 [ 1670.999928] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1671.007627] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1671.014882] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1671.022129] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1671.029376] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1671.036623] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000002d executing program [ 1671.043894] CPU: 1 PID: 11715 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1671.051860] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1671.061204] Call Trace: [ 1671.063784] dump_stack+0x1b2/0x281 [ 1671.067410] should_fail.cold+0x10a/0x149 [ 1671.071557] should_failslab+0xd6/0x130 [ 1671.075531] kmem_cache_alloc+0x28e/0x3c0 [ 1671.079679] start_transaction+0x27c/0xf30 [ 1671.083913] ? vfs_fsync_range+0x260/0x260 [ 1671.088146] btrfs_attach_transaction_barrier+0x22/0x80 [ 1671.093516] btrfs_sync_fs+0xcd/0x430 [ 1671.097336] ? btrfs_freeze+0xb0/0xb0 [ 1671.101128] ? vfs_fsync_range+0x260/0x260 [ 1671.105355] sync_fs_one_sb+0xb1/0xe0 [ 1671.109145] iterate_supers+0x124/0x490 [ 1671.113111] sys_sync+0x9a/0x130 [ 1671.116466] ? vfs_fsync+0x210/0x210 [ 1671.120178] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1671.125173] ? vfs_fsync+0x210/0x210 [ 1671.128869] do_syscall_64+0x1d5/0x640 [ 1671.132737] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1671.137921] RIP: 0033:0x7f3c6be997c9 [ 1671.141611] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1671.149314] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1671.156566] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1671.163822] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1671.171073] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1671.178342] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000002e [ 1671.193057] FAULT_INJECTION: forcing a failure. [ 1671.193057] name failslab, interval 1, probability 0, space 0, times 0 [ 1671.228852] CPU: 0 PID: 11721 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1671.236833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1671.246176] Call Trace: [ 1671.248767] dump_stack+0x1b2/0x281 [ 1671.252391] should_fail.cold+0x10a/0x149 [ 1671.256537] ? sync_fs_one_sb+0xb1/0xe0 [ 1671.260522] should_failslab+0xd6/0x130 [ 1671.264499] kmem_cache_alloc_node+0x54/0x410 [ 1671.268995] create_task_io_context+0x2a/0x3c0 [ 1671.273575] generic_make_request_checks+0x1350/0x19f0 executing program [ 1671.278852] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1671.283257] ? flush_workqueue+0x129/0x1310 [ 1671.287573] ? flush_workqueue+0x49b/0x1310 [ 1671.291895] generic_make_request+0x67/0x850 [ 1671.296299] ? mempool_alloc+0x10e/0x2d0 [ 1671.300350] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1671.305804] ? blk_queue_exit+0x1d0/0x1d0 [ 1671.309946] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1671.314955] ? kmem_cache_alloc+0x35f/0x3c0 [ 1671.319274] submit_bio+0x234/0x390 [ 1671.322894] ? generic_make_request+0x850/0x850 executing program [ 1671.327642] ? __lockdep_init_map+0x100/0x560 [ 1671.332133] ? __lockdep_init_map+0x100/0x560 [ 1671.336626] submit_bio_wait+0xe8/0x140 [ 1671.340630] ? submit_bio_wait_endio+0xb0/0xb0 [ 1671.345215] blkdev_issue_flush+0x218/0x320 [ 1671.349564] ext4_sync_fs+0x46f/0x7e0 [ 1671.353353] ? bdev_try_to_free_page+0x150/0x150 [ 1671.358087] ? iterate_supers+0xda/0x490 [ 1671.362134] ? bdev_try_to_free_page+0x150/0x150 [ 1671.366872] ? vfs_fsync_range+0x260/0x260 [ 1671.371085] sync_fs_one_sb+0xb1/0xe0 [ 1671.374861] iterate_supers+0x124/0x490 [ 1671.378883] sys_sync+0x9a/0x130 [ 1671.382224] ? vfs_fsync+0x210/0x210 [ 1671.386017] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1671.391005] ? vfs_fsync+0x210/0x210 [ 1671.394695] do_syscall_64+0x1d5/0x640 [ 1671.398562] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1671.403724] RIP: 0033:0x7f3c6be997c9 [ 1671.407408] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1671.415093] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1671.422341] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 executing program [ 1671.429587] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1671.436847] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1671.444095] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000033 [ 1671.489551] BTRFS info (device loop1): disabling disk space caching [ 1671.496520] BTRFS info (device loop1): has skinny extents [ 1671.566053] BTRFS info (device loop1): checking UUID tree [ 1671.572474] BTRFS warning (device loop1): btrfs_uuid_scan_kthread failed -28 [ 1671.599206] FAULT_INJECTION: forcing a failure. [ 1671.599206] name failslab, interval 1, probability 0, space 0, times 0 [ 1671.602210] FAULT_INJECTION: forcing a failure. [ 1671.602210] name failslab, interval 1, probability 0, space 0, times 0 [ 1671.610671] CPU: 1 PID: 11735 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1671.622202] FAULT_INJECTION: forcing a failure. [ 1671.622202] name failslab, interval 1, probability 0, space 0, times 0 [ 1671.629775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1671.629779] Call Trace: [ 1671.629791] dump_stack+0x1b2/0x281 [ 1671.629804] should_fail.cold+0x10a/0x149 [ 1671.629812] ? lock_downgrade+0x740/0x740 [ 1671.629822] ? mempool_free+0x1d0/0x1d0 [ 1671.629829] should_failslab+0xd6/0x130 [ 1671.629843] kmem_cache_alloc+0x40/0x3c0 [ 1671.676711] ? mempool_free+0x1d0/0x1d0 [ 1671.680675] mempool_alloc+0x10e/0x2d0 [ 1671.684551] ? remove_element.isra.0+0x1b0/0x1b0 [ 1671.689297] ? flush_workqueue+0x40e/0x1310 [ 1671.693604] ? check_preemption_disabled+0x35/0x240 [ 1671.698613] bio_alloc_bioset+0x41b/0x830 [ 1671.702746] ? bvec_alloc+0x2d0/0x2d0 [ 1671.706533] blkdev_issue_flush+0xeb/0x320 [ 1671.710749] ext4_sync_fs+0x46f/0x7e0 [ 1671.714534] ? bdev_try_to_free_page+0x150/0x150 [ 1671.719269] ? iterate_supers+0xda/0x490 [ 1671.723311] ? bdev_try_to_free_page+0x150/0x150 [ 1671.728050] ? vfs_fsync_range+0x260/0x260 [ 1671.732265] sync_fs_one_sb+0xb1/0xe0 [ 1671.736044] iterate_supers+0x124/0x490 [ 1671.739998] sys_sync+0x9a/0x130 [ 1671.743344] ? vfs_fsync+0x210/0x210 [ 1671.747040] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1671.752035] ? vfs_fsync+0x210/0x210 [ 1671.755726] do_syscall_64+0x1d5/0x640 [ 1671.759598] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1671.764764] RIP: 0033:0x7f3c6be997c9 [ 1671.768457] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1671.776145] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1671.783394] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1671.790642] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1671.797895] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1671.805154] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000004f executing program [ 1671.812436] CPU: 0 PID: 11742 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1671.820400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1671.828631] FAULT_INJECTION: forcing a failure. [ 1671.828631] name failslab, interval 1, probability 0, space 0, times 0 [ 1671.829734] Call Trace: [ 1671.829748] dump_stack+0x1b2/0x281 [ 1671.829761] should_fail.cold+0x10a/0x149 [ 1671.829769] ? lock_downgrade+0x740/0x740 [ 1671.829780] ? mempool_free+0x1d0/0x1d0 [ 1671.859300] should_failslab+0xd6/0x130 [ 1671.863258] kmem_cache_alloc+0x40/0x3c0 [ 1671.867300] ? mempool_free+0x1d0/0x1d0 [ 1671.871257] mempool_alloc+0x10e/0x2d0 [ 1671.875126] ? remove_element.isra.0+0x1b0/0x1b0 [ 1671.879862] ? flush_workqueue+0x40e/0x1310 [ 1671.884163] ? check_preemption_disabled+0x35/0x240 [ 1671.889162] bio_alloc_bioset+0x41b/0x830 [ 1671.893291] ? bvec_alloc+0x2d0/0x2d0 [ 1671.897074] blkdev_issue_flush+0xeb/0x320 [ 1671.901318] ext4_sync_fs+0x46f/0x7e0 [ 1671.905106] ? bdev_try_to_free_page+0x150/0x150 [ 1671.909838] ? iterate_supers+0xda/0x490 [ 1671.913880] ? bdev_try_to_free_page+0x150/0x150 [ 1671.918613] ? vfs_fsync_range+0x260/0x260 [ 1671.922826] sync_fs_one_sb+0xb1/0xe0 [ 1671.926609] iterate_supers+0x124/0x490 [ 1671.930569] sys_sync+0x9a/0x130 [ 1671.933914] ? vfs_fsync+0x210/0x210 [ 1671.937610] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1671.942606] ? vfs_fsync+0x210/0x210 [ 1671.946304] do_syscall_64+0x1d5/0x640 [ 1671.950180] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1671.955348] RIP: 0033:0x7f3c6be997c9 [ 1671.959036] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1671.966729] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1671.973977] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1671.981224] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1671.988472] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1671.995725] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000030 [ 1672.002987] CPU: 1 PID: 11734 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1672.010947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1672.020280] Call Trace: [ 1672.022848] dump_stack+0x1b2/0x281 [ 1672.026458] should_fail.cold+0x10a/0x149 [ 1672.030585] ? sync_fs_one_sb+0xb1/0xe0 [ 1672.034538] should_failslab+0xd6/0x130 [ 1672.038489] kmem_cache_alloc_node+0x54/0x410 [ 1672.042971] create_task_io_context+0x2a/0x3c0 [ 1672.047539] generic_make_request_checks+0x1350/0x19f0 [ 1672.052799] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1672.057188] ? flush_workqueue+0x129/0x1310 [ 1672.061504] ? flush_workqueue+0x49b/0x1310 [ 1672.065805] generic_make_request+0x67/0x850 [ 1672.070193] ? mempool_alloc+0x10e/0x2d0 [ 1672.074231] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1672.079659] ? blk_queue_exit+0x1d0/0x1d0 [ 1672.083792] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1672.088790] ? kmem_cache_alloc+0x35f/0x3c0 [ 1672.093092] submit_bio+0x234/0x390 [ 1672.096698] ? generic_make_request+0x850/0x850 [ 1672.101346] ? __lockdep_init_map+0x100/0x560 [ 1672.105820] ? __lockdep_init_map+0x100/0x560 [ 1672.110296] submit_bio_wait+0xe8/0x140 [ 1672.114251] ? submit_bio_wait_endio+0xb0/0xb0 [ 1672.118829] blkdev_issue_flush+0x218/0x320 [ 1672.123146] ext4_sync_fs+0x46f/0x7e0 [ 1672.126928] ? bdev_try_to_free_page+0x150/0x150 [ 1672.131659] ? iterate_supers+0xda/0x490 [ 1672.135700] ? bdev_try_to_free_page+0x150/0x150 [ 1672.140431] ? vfs_fsync_range+0x260/0x260 [ 1672.144643] sync_fs_one_sb+0xb1/0xe0 [ 1672.148423] iterate_supers+0x124/0x490 [ 1672.152375] sys_sync+0x9a/0x130 [ 1672.155740] ? vfs_fsync+0x210/0x210 [ 1672.159432] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1672.164426] ? vfs_fsync+0x210/0x210 [ 1672.168116] do_syscall_64+0x1d5/0x640 [ 1672.171985] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1672.177151] RIP: 0033:0x7f3c6be997c9 [ 1672.180844] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1672.188531] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1672.195777] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1672.203021] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1672.210269] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1672.217516] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000002e [ 1672.239193] CPU: 1 PID: 11770 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1672.247175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1672.256515] Call Trace: [ 1672.259087] dump_stack+0x1b2/0x281 [ 1672.262698] should_fail.cold+0x10a/0x149 [ 1672.266825] ? sync_fs_one_sb+0xb1/0xe0 [ 1672.270782] should_failslab+0xd6/0x130 [ 1672.274755] kmem_cache_alloc_node+0x54/0x410 [ 1672.279230] create_task_io_context+0x2a/0x3c0 [ 1672.283794] generic_make_request_checks+0x1350/0x19f0 [ 1672.289054] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1672.293443] ? flush_workqueue+0x129/0x1310 [ 1672.297742] ? flush_workqueue+0x49b/0x1310 [ 1672.302043] generic_make_request+0x67/0x850 [ 1672.306434] ? mempool_alloc+0x10e/0x2d0 [ 1672.310473] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1672.315898] ? blk_queue_exit+0x1d0/0x1d0 [ 1672.320049] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1672.325043] ? kmem_cache_alloc+0x35f/0x3c0 [ 1672.329343] submit_bio+0x234/0x390 [ 1672.332948] ? generic_make_request+0x850/0x850 [ 1672.337600] ? __lockdep_init_map+0x100/0x560 [ 1672.342075] ? __lockdep_init_map+0x100/0x560 [ 1672.346551] submit_bio_wait+0xe8/0x140 [ 1672.350502] ? submit_bio_wait_endio+0xb0/0xb0 [ 1672.355068] blkdev_issue_flush+0x218/0x320 [ 1672.359380] ext4_sync_fs+0x46f/0x7e0 [ 1672.363159] ? bdev_try_to_free_page+0x150/0x150 [ 1672.367897] ? iterate_supers+0xda/0x490 [ 1672.371937] ? bdev_try_to_free_page+0x150/0x150 [ 1672.376691] ? vfs_fsync_range+0x260/0x260 [ 1672.380903] sync_fs_one_sb+0xb1/0xe0 [ 1672.384682] iterate_supers+0x124/0x490 [ 1672.388636] sys_sync+0x9a/0x130 [ 1672.391982] ? vfs_fsync+0x210/0x210 [ 1672.395674] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1672.400687] ? vfs_fsync+0x210/0x210 [ 1672.404391] do_syscall_64+0x1d5/0x640 [ 1672.408262] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1672.413445] RIP: 0033:0x7f3c6be997c9 executing program executing program [ 1672.417146] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1672.424830] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1672.432077] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1672.439323] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1672.446573] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1672.453819] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000034 [ 1672.521410] FAULT_INJECTION: forcing a failure. [ 1672.521410] name failslab, interval 1, probability 0, space 0, times 0 [ 1672.521414] FAULT_INJECTION: forcing a failure. [ 1672.521414] name failslab, interval 1, probability 0, space 0, times 0 [ 1672.521425] CPU: 0 PID: 11781 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1672.551713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1672.561058] Call Trace: [ 1672.563633] dump_stack+0x1b2/0x281 [ 1672.567338] should_fail.cold+0x10a/0x149 [ 1672.571490] ? sync_fs_one_sb+0xb1/0xe0 [ 1672.575456] should_failslab+0xd6/0x130 [ 1672.579418] kmem_cache_alloc_node+0x54/0x410 [ 1672.583898] create_task_io_context+0x2a/0x3c0 [ 1672.588462] generic_make_request_checks+0x1350/0x19f0 [ 1672.593719] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1672.598105] ? flush_workqueue+0x129/0x1310 [ 1672.602404] ? flush_workqueue+0x49b/0x1310 [ 1672.606706] generic_make_request+0x67/0x850 [ 1672.611095] ? mempool_alloc+0x10e/0x2d0 [ 1672.615140] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1672.620577] ? blk_queue_exit+0x1d0/0x1d0 [ 1672.624705] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1672.629699] ? kmem_cache_alloc+0x35f/0x3c0 [ 1672.633999] submit_bio+0x234/0x390 [ 1672.637604] ? generic_make_request+0x850/0x850 [ 1672.642250] ? __lockdep_init_map+0x100/0x560 [ 1672.646722] ? __lockdep_init_map+0x100/0x560 [ 1672.651226] submit_bio_wait+0xe8/0x140 [ 1672.655185] ? submit_bio_wait_endio+0xb0/0xb0 [ 1672.659754] blkdev_issue_flush+0x218/0x320 [ 1672.664057] ext4_sync_fs+0x46f/0x7e0 [ 1672.667840] ? bdev_try_to_free_page+0x150/0x150 [ 1672.672576] ? iterate_supers+0xda/0x490 [ 1672.676618] ? bdev_try_to_free_page+0x150/0x150 [ 1672.681361] ? vfs_fsync_range+0x260/0x260 [ 1672.685576] sync_fs_one_sb+0xb1/0xe0 [ 1672.689363] iterate_supers+0x124/0x490 [ 1672.693318] sys_sync+0x9a/0x130 [ 1672.696664] ? vfs_fsync+0x210/0x210 [ 1672.700361] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1672.705358] ? vfs_fsync+0x210/0x210 [ 1672.709050] do_syscall_64+0x1d5/0x640 [ 1672.712925] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1672.718093] RIP: 0033:0x7f3c6be997c9 [ 1672.721797] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1672.729497] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1672.736743] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1672.743991] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1672.751242] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1672.758497] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000002f [ 1672.765756] CPU: 1 PID: 11780 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1672.773714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1672.783045] Call Trace: [ 1672.785614] dump_stack+0x1b2/0x281 [ 1672.789221] should_fail.cold+0x10a/0x149 [ 1672.793350] ? sync_fs_one_sb+0xb1/0xe0 [ 1672.797305] should_failslab+0xd6/0x130 [ 1672.801284] kmem_cache_alloc_node+0x54/0x410 [ 1672.805760] create_task_io_context+0x2a/0x3c0 [ 1672.810320] generic_make_request_checks+0x1350/0x19f0 [ 1672.815579] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1672.819968] ? flush_workqueue+0x49b/0x1310 [ 1672.824267] generic_make_request+0x67/0x850 [ 1672.828654] ? mempool_alloc+0x10e/0x2d0 [ 1672.832695] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1672.838120] ? blk_queue_exit+0x1d0/0x1d0 [ 1672.842246] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1672.847241] ? kmem_cache_alloc+0x35f/0x3c0 [ 1672.851548] submit_bio+0x234/0x390 [ 1672.855154] ? generic_make_request+0x850/0x850 [ 1672.859801] ? __lockdep_init_map+0x100/0x560 [ 1672.864276] ? __lockdep_init_map+0x100/0x560 [ 1672.868748] submit_bio_wait+0xe8/0x140 [ 1672.872699] ? submit_bio_wait_endio+0xb0/0xb0 [ 1672.877271] blkdev_issue_flush+0x218/0x320 [ 1672.881573] ext4_sync_fs+0x46f/0x7e0 [ 1672.885410] ? bdev_try_to_free_page+0x150/0x150 [ 1672.890157] ? iterate_supers+0xda/0x490 [ 1672.894195] ? bdev_try_to_free_page+0x150/0x150 [ 1672.898939] ? vfs_fsync_range+0x260/0x260 [ 1672.903151] sync_fs_one_sb+0xb1/0xe0 [ 1672.906928] iterate_supers+0x124/0x490 [ 1672.910879] sys_sync+0x9a/0x130 [ 1672.914222] ? vfs_fsync+0x210/0x210 [ 1672.917915] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1672.922906] ? vfs_fsync+0x210/0x210 [ 1672.926597] do_syscall_64+0x1d5/0x640 [ 1672.930468] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1672.935632] RIP: 0033:0x7f3c6be997c9 [ 1672.939331] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1672.947016] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1672.954274] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1672.961522] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 executing program [ 1672.968768] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1672.976013] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000002e executing program executing program executing program [ 1673.110832] FAULT_INJECTION: forcing a failure. [ 1673.110832] name failslab, interval 1, probability 0, space 0, times 0 [ 1673.110943] FAULT_INJECTION: forcing a failure. [ 1673.110943] name failslab, interval 1, probability 0, space 0, times 0 [ 1673.122586] FAULT_INJECTION: forcing a failure. [ 1673.122586] name failslab, interval 1, probability 0, space 0, times 0 [ 1673.155540] CPU: 1 PID: 11800 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1673.156963] FAULT_INJECTION: forcing a failure. [ 1673.156963] name failslab, interval 1, probability 0, space 0, times 0 [ 1673.163508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1673.163512] Call Trace: [ 1673.163526] dump_stack+0x1b2/0x281 [ 1673.163538] should_fail.cold+0x10a/0x149 [ 1673.163549] should_failslab+0xd6/0x130 [ 1673.163560] kmem_cache_alloc+0x28e/0x3c0 [ 1673.163570] start_transaction+0x27c/0xf30 [ 1673.163584] ? vfs_fsync_range+0x260/0x260 [ 1673.163591] btrfs_attach_transaction_barrier+0x22/0x80 [ 1673.163600] btrfs_sync_fs+0xcd/0x430 [ 1673.163608] ? btrfs_freeze+0xb0/0xb0 [ 1673.163615] ? vfs_fsync_range+0x260/0x260 [ 1673.163621] sync_fs_one_sb+0xb1/0xe0 [ 1673.163628] iterate_supers+0x124/0x490 [ 1673.163639] sys_sync+0x9a/0x130 [ 1673.239085] ? vfs_fsync+0x210/0x210 [ 1673.242790] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1673.247851] ? vfs_fsync+0x210/0x210 [ 1673.251554] do_syscall_64+0x1d5/0x640 [ 1673.255425] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1673.260598] RIP: 0033:0x7f3c6be997c9 [ 1673.264292] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1673.271980] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1673.279235] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1673.286485] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1673.293734] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1673.300985] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000031 [ 1673.320753] CPU: 0 PID: 11791 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1673.328724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1673.338054] Call Trace: [ 1673.340621] dump_stack+0x1b2/0x281 [ 1673.344231] should_fail.cold+0x10a/0x149 [ 1673.348357] ? sync_fs_one_sb+0xb1/0xe0 [ 1673.352335] should_failslab+0xd6/0x130 [ 1673.356296] kmem_cache_alloc_node+0x54/0x410 [ 1673.360771] create_task_io_context+0x2a/0x3c0 [ 1673.365358] generic_make_request_checks+0x1350/0x19f0 [ 1673.370623] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1673.375036] ? flush_workqueue+0x129/0x1310 [ 1673.379348] ? flush_workqueue+0x49b/0x1310 [ 1673.383666] generic_make_request+0x67/0x850 [ 1673.388056] ? mempool_alloc+0x10e/0x2d0 [ 1673.392097] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1673.397523] ? blk_queue_exit+0x1d0/0x1d0 [ 1673.401648] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1673.406653] ? kmem_cache_alloc+0x35f/0x3c0 [ 1673.410961] submit_bio+0x234/0x390 [ 1673.414571] ? generic_make_request+0x850/0x850 [ 1673.419219] ? __lockdep_init_map+0x100/0x560 [ 1673.423694] ? __lockdep_init_map+0x100/0x560 [ 1673.428179] submit_bio_wait+0xe8/0x140 [ 1673.432133] ? submit_bio_wait_endio+0xb0/0xb0 [ 1673.436704] blkdev_issue_flush+0x218/0x320 [ 1673.441010] ext4_sync_fs+0x46f/0x7e0 [ 1673.444795] ? bdev_try_to_free_page+0x150/0x150 [ 1673.449528] ? iterate_supers+0xda/0x490 [ 1673.453568] ? bdev_try_to_free_page+0x150/0x150 [ 1673.458305] ? vfs_fsync_range+0x260/0x260 [ 1673.462519] sync_fs_one_sb+0xb1/0xe0 [ 1673.466320] iterate_supers+0x124/0x490 [ 1673.470277] sys_sync+0x9a/0x130 [ 1673.473624] ? vfs_fsync+0x210/0x210 [ 1673.477330] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1673.482325] ? vfs_fsync+0x210/0x210 [ 1673.486018] do_syscall_64+0x1d5/0x640 [ 1673.489888] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1673.495058] RIP: 0033:0x7f3c6be997c9 [ 1673.498749] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1673.506441] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1673.513691] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1673.520942] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1673.528195] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1673.535443] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000035 [ 1673.542704] CPU: 1 PID: 11806 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1673.550663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1673.559999] Call Trace: [ 1673.562580] dump_stack+0x1b2/0x281 [ 1673.566202] should_fail.cold+0x10a/0x149 [ 1673.570334] ? sync_fs_one_sb+0xb1/0xe0 [ 1673.574304] should_failslab+0xd6/0x130 [ 1673.578275] kmem_cache_alloc_node+0x54/0x410 [ 1673.582761] create_task_io_context+0x2a/0x3c0 [ 1673.587323] generic_make_request_checks+0x1350/0x19f0 [ 1673.592579] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1673.596965] ? flush_workqueue+0x129/0x1310 [ 1673.601273] ? flush_workqueue+0x49b/0x1310 [ 1673.605583] generic_make_request+0x67/0x850 [ 1673.609971] ? mempool_alloc+0x10e/0x2d0 [ 1673.614011] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1673.619457] ? blk_queue_exit+0x1d0/0x1d0 [ 1673.623583] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1673.628579] ? kmem_cache_alloc+0x35f/0x3c0 [ 1673.632879] submit_bio+0x234/0x390 [ 1673.636485] ? generic_make_request+0x850/0x850 [ 1673.641147] ? __lockdep_init_map+0x100/0x560 [ 1673.645621] ? __lockdep_init_map+0x100/0x560 [ 1673.650096] submit_bio_wait+0xe8/0x140 [ 1673.654051] ? submit_bio_wait_endio+0xb0/0xb0 [ 1673.658617] blkdev_issue_flush+0x218/0x320 [ 1673.662917] ext4_sync_fs+0x46f/0x7e0 [ 1673.666698] ? bdev_try_to_free_page+0x150/0x150 [ 1673.671433] ? iterate_supers+0xda/0x490 [ 1673.675475] ? bdev_try_to_free_page+0x150/0x150 [ 1673.680210] ? vfs_fsync_range+0x260/0x260 [ 1673.684422] sync_fs_one_sb+0xb1/0xe0 [ 1673.688205] iterate_supers+0x124/0x490 [ 1673.692175] sys_sync+0x9a/0x130 [ 1673.695520] ? vfs_fsync+0x210/0x210 [ 1673.699216] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1673.704209] ? vfs_fsync+0x210/0x210 [ 1673.707902] do_syscall_64+0x1d5/0x640 [ 1673.711772] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1673.716943] RIP: 0033:0x7f3c6be997c9 [ 1673.720635] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1673.728322] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1673.735573] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1673.742824] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1673.750080] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1673.757327] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000002f [ 1673.764587] CPU: 0 PID: 11801 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1673.772545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1673.781886] Call Trace: [ 1673.784465] dump_stack+0x1b2/0x281 [ 1673.788090] should_fail.cold+0x10a/0x149 [ 1673.792233] should_failslab+0xd6/0x130 [ 1673.796194] kmem_cache_alloc+0x28e/0x3c0 [ 1673.800332] start_transaction+0x27c/0xf30 [ 1673.804565] ? vfs_fsync_range+0x260/0x260 [ 1673.808819] btrfs_attach_transaction_barrier+0x22/0x80 [ 1673.814177] btrfs_sync_fs+0xcd/0x430 [ 1673.817975] ? btrfs_freeze+0xb0/0xb0 [ 1673.821772] ? vfs_fsync_range+0x260/0x260 [ 1673.825999] sync_fs_one_sb+0xb1/0xe0 [ 1673.829790] iterate_supers+0x124/0x490 [ 1673.833769] sys_sync+0x9a/0x130 [ 1673.837130] ? vfs_fsync+0x210/0x210 [ 1673.840844] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1673.845851] ? vfs_fsync+0x210/0x210 [ 1673.849557] do_syscall_64+0x1d5/0x640 [ 1673.853447] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1673.858625] RIP: 0033:0x7f3c6be997c9 [ 1673.862328] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 executing program [ 1673.870025] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1673.877283] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1673.884541] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1673.891801] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1673.899062] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000050 executing program executing program [ 1673.961427] BTRFS info (device loop1): disabling disk space caching [ 1673.974085] BTRFS info (device loop1): has skinny extents [ 1674.052346] BTRFS info (device loop1): checking UUID tree [ 1674.059749] BTRFS warning (device loop1): btrfs_uuid_scan_kthread failed -28 [ 1674.137511] FAULT_INJECTION: forcing a failure. [ 1674.137511] name failslab, interval 1, probability 0, space 0, times 0 [ 1674.137649] FAULT_INJECTION: forcing a failure. [ 1674.137649] name failslab, interval 1, probability 0, space 0, times 0 [ 1674.149046] CPU: 0 PID: 11824 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1674.160354] FAULT_INJECTION: forcing a failure. [ 1674.160354] name failslab, interval 1, probability 0, space 0, times 0 [ 1674.167919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1674.167923] Call Trace: [ 1674.167937] dump_stack+0x1b2/0x281 [ 1674.167948] should_fail.cold+0x10a/0x149 [ 1674.167957] ? sync_fs_one_sb+0xb1/0xe0 [ 1674.167967] should_failslab+0xd6/0x130 [ 1674.167976] kmem_cache_alloc_node+0x54/0x410 [ 1674.167987] create_task_io_context+0x2a/0x3c0 [ 1674.167995] generic_make_request_checks+0x1350/0x19f0 [ 1674.168007] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1674.225413] ? flush_workqueue+0x129/0x1310 [ 1674.229716] ? flush_workqueue+0x49b/0x1310 [ 1674.234021] generic_make_request+0x67/0x850 [ 1674.238417] ? mempool_alloc+0x10e/0x2d0 [ 1674.242466] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1674.247894] ? blk_queue_exit+0x1d0/0x1d0 [ 1674.252044] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1674.257044] ? kmem_cache_alloc+0x35f/0x3c0 [ 1674.261354] submit_bio+0x234/0x390 [ 1674.264965] ? generic_make_request+0x850/0x850 [ 1674.269620] ? __lockdep_init_map+0x100/0x560 [ 1674.274106] ? __lockdep_init_map+0x100/0x560 [ 1674.278591] submit_bio_wait+0xe8/0x140 [ 1674.282551] ? submit_bio_wait_endio+0xb0/0xb0 [ 1674.287118] blkdev_issue_flush+0x218/0x320 [ 1674.291424] ext4_sync_fs+0x46f/0x7e0 [ 1674.295205] ? bdev_try_to_free_page+0x150/0x150 [ 1674.299945] ? iterate_supers+0xda/0x490 [ 1674.303994] ? bdev_try_to_free_page+0x150/0x150 [ 1674.308727] ? vfs_fsync_range+0x260/0x260 [ 1674.312943] sync_fs_one_sb+0xb1/0xe0 [ 1674.316723] iterate_supers+0x124/0x490 [ 1674.320682] sys_sync+0x9a/0x130 [ 1674.324032] ? vfs_fsync+0x210/0x210 [ 1674.327728] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1674.332724] ? vfs_fsync+0x210/0x210 [ 1674.336423] do_syscall_64+0x1d5/0x640 [ 1674.340301] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1674.345471] RIP: 0033:0x7f3c6be997c9 [ 1674.349162] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1674.356850] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1674.364096] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1674.371352] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1674.378603] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1674.385855] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000030 [ 1674.393117] CPU: 1 PID: 11828 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1674.401078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1674.410422] Call Trace: [ 1674.412995] dump_stack+0x1b2/0x281 [ 1674.416616] should_fail.cold+0x10a/0x149 [ 1674.420751] ? sync_fs_one_sb+0xb1/0xe0 [ 1674.424709] should_failslab+0xd6/0x130 [ 1674.428670] kmem_cache_alloc_node+0x54/0x410 [ 1674.433170] create_task_io_context+0x2a/0x3c0 [ 1674.437735] generic_make_request_checks+0x1350/0x19f0 [ 1674.442993] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1674.447382] ? flush_workqueue+0x129/0x1310 [ 1674.451684] ? flush_workqueue+0x49b/0x1310 [ 1674.455989] generic_make_request+0x67/0x850 [ 1674.460378] ? mempool_alloc+0x10e/0x2d0 [ 1674.464420] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1674.469850] ? blk_queue_exit+0x1d0/0x1d0 [ 1674.473979] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1674.478974] ? kmem_cache_alloc+0x35f/0x3c0 [ 1674.483281] submit_bio+0x234/0x390 [ 1674.486888] ? generic_make_request+0x850/0x850 [ 1674.491537] ? __lockdep_init_map+0x100/0x560 [ 1674.496015] ? __lockdep_init_map+0x100/0x560 [ 1674.500496] submit_bio_wait+0xe8/0x140 [ 1674.504450] ? submit_bio_wait_endio+0xb0/0xb0 [ 1674.509023] blkdev_issue_flush+0x218/0x320 [ 1674.513336] ext4_sync_fs+0x46f/0x7e0 [ 1674.517116] ? bdev_try_to_free_page+0x150/0x150 [ 1674.521850] ? iterate_supers+0xda/0x490 [ 1674.525889] ? bdev_try_to_free_page+0x150/0x150 [ 1674.530623] ? vfs_fsync_range+0x260/0x260 [ 1674.534834] sync_fs_one_sb+0xb1/0xe0 [ 1674.538619] iterate_supers+0x124/0x490 [ 1674.542594] sys_sync+0x9a/0x130 [ 1674.545952] ? vfs_fsync+0x210/0x210 [ 1674.549651] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1674.554660] ? vfs_fsync+0x210/0x210 [ 1674.558356] do_syscall_64+0x1d5/0x640 [ 1674.562231] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1674.567398] RIP: 0033:0x7f3c6be997c9 [ 1674.571088] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1674.578784] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1674.586031] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1674.593304] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1674.600554] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1674.607813] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000036 [ 1674.615091] CPU: 0 PID: 11817 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1674.623049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1674.632384] Call Trace: [ 1674.634951] dump_stack+0x1b2/0x281 [ 1674.638561] should_fail.cold+0x10a/0x149 [ 1674.642689] ? sync_fs_one_sb+0xb1/0xe0 [ 1674.646642] should_failslab+0xd6/0x130 [ 1674.650608] kmem_cache_alloc_node+0x54/0x410 [ 1674.655082] create_task_io_context+0x2a/0x3c0 [ 1674.659641] generic_make_request_checks+0x1350/0x19f0 [ 1674.664912] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1674.669302] ? flush_workqueue+0x129/0x1310 [ 1674.673617] ? flush_workqueue+0x49b/0x1310 [ 1674.677916] generic_make_request+0x67/0x850 [ 1674.682306] ? mempool_alloc+0x10e/0x2d0 [ 1674.686349] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1674.691776] ? blk_queue_exit+0x1d0/0x1d0 [ 1674.695922] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1674.700918] ? kmem_cache_alloc+0x35f/0x3c0 [ 1674.705228] submit_bio+0x234/0x390 [ 1674.708834] ? generic_make_request+0x850/0x850 [ 1674.713482] ? __lockdep_init_map+0x100/0x560 [ 1674.717958] ? __lockdep_init_map+0x100/0x560 [ 1674.722433] submit_bio_wait+0xe8/0x140 [ 1674.726563] ? submit_bio_wait_endio+0xb0/0xb0 [ 1674.731129] blkdev_issue_flush+0x218/0x320 [ 1674.735434] ext4_sync_fs+0x46f/0x7e0 [ 1674.739215] ? bdev_try_to_free_page+0x150/0x150 [ 1674.743946] ? iterate_supers+0xda/0x490 [ 1674.747986] ? bdev_try_to_free_page+0x150/0x150 [ 1674.752735] ? vfs_fsync_range+0x260/0x260 [ 1674.756947] sync_fs_one_sb+0xb1/0xe0 [ 1674.760725] iterate_supers+0x124/0x490 [ 1674.764677] sys_sync+0x9a/0x130 [ 1674.768023] ? vfs_fsync+0x210/0x210 [ 1674.771722] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1674.776714] ? vfs_fsync+0x210/0x210 [ 1674.780407] do_syscall_64+0x1d5/0x640 [ 1674.784278] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1674.789447] RIP: 0033:0x7f3c6be997c9 [ 1674.793134] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1674.800820] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1674.808066] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1674.815311] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1674.822557] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1674.829802] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000002f executing program executing program executing program executing program [ 1674.911074] BTRFS info (device loop1): disabling disk space caching [ 1674.930052] BTRFS info (device loop1): has skinny extents [ 1675.016176] BTRFS info (device loop1): checking UUID tree [ 1675.022354] BTRFS warning (device loop1): btrfs_uuid_scan_kthread failed -28 [ 1675.022463] FAULT_INJECTION: forcing a failure. [ 1675.022463] name failslab, interval 1, probability 0, space 0, times 0 [ 1675.041605] CPU: 1 PID: 11865 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1675.043256] FAULT_INJECTION: forcing a failure. [ 1675.043256] name failslab, interval 1, probability 0, space 0, times 0 [ 1675.049563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1675.049567] Call Trace: [ 1675.049580] dump_stack+0x1b2/0x281 [ 1675.049593] should_fail.cold+0x10a/0x149 [ 1675.049602] ? sync_fs_one_sb+0xb1/0xe0 [ 1675.049612] should_failslab+0xd6/0x130 [ 1675.049622] kmem_cache_alloc_node+0x54/0x410 [ 1675.049632] create_task_io_context+0x2a/0x3c0 [ 1675.049642] generic_make_request_checks+0x1350/0x19f0 [ 1675.049654] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1675.049663] ? flush_workqueue+0x129/0x1310 [ 1675.049670] ? flush_workqueue+0x49b/0x1310 [ 1675.049680] generic_make_request+0x67/0x850 [ 1675.049689] ? mempool_alloc+0x10e/0x2d0 [ 1675.049697] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1675.049705] ? blk_queue_exit+0x1d0/0x1d0 [ 1675.049713] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1675.049721] ? kmem_cache_alloc+0x35f/0x3c0 [ 1675.049732] submit_bio+0x234/0x390 [ 1675.049740] ? generic_make_request+0x850/0x850 [ 1675.049747] ? __lockdep_init_map+0x100/0x560 [ 1675.049755] ? __lockdep_init_map+0x100/0x560 [ 1675.049766] submit_bio_wait+0xe8/0x140 executing program [ 1675.049774] ? submit_bio_wait_endio+0xb0/0xb0 [ 1675.049790] blkdev_issue_flush+0x218/0x320 [ 1675.049801] ext4_sync_fs+0x46f/0x7e0 [ 1675.049809] ? bdev_try_to_free_page+0x150/0x150 [ 1675.049815] ? iterate_supers+0xda/0x490 [ 1675.049824] ? bdev_try_to_free_page+0x150/0x150 [ 1675.049830] ? vfs_fsync_range+0x260/0x260 [ 1675.049837] sync_fs_one_sb+0xb1/0xe0 [ 1675.049844] iterate_supers+0x124/0x490 [ 1675.049854] sys_sync+0x9a/0x130 [ 1675.049862] ? vfs_fsync+0x210/0x210 [ 1675.049872] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1675.049877] ? vfs_fsync+0x210/0x210 [ 1675.049888] do_syscall_64+0x1d5/0x640 [ 1675.061529] FAULT_INJECTION: forcing a failure. [ 1675.061529] name failslab, interval 1, probability 0, space 0, times 0 [ 1675.070388] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1675.070395] RIP: 0033:0x7f3c6be997c9 [ 1675.070399] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1675.070409] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1675.070413] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1675.070418] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1675.070422] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1675.070426] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000037 [ 1675.193481] CPU: 1 PID: 11866 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1675.196071] FAULT_INJECTION: forcing a failure. [ 1675.196071] name failslab, interval 1, probability 0, space 0, times 0 [ 1675.199145] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1675.199148] Call Trace: [ 1675.199165] dump_stack+0x1b2/0x281 [ 1675.199177] should_fail.cold+0x10a/0x149 [ 1675.199189] ? sync_fs_one_sb+0xb1/0xe0 [ 1675.329397] should_failslab+0xd6/0x130 [ 1675.333375] kmem_cache_alloc_node+0x54/0x410 [ 1675.337852] create_task_io_context+0x2a/0x3c0 [ 1675.342424] generic_make_request_checks+0x1350/0x19f0 [ 1675.347687] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1675.352076] ? flush_workqueue+0x129/0x1310 [ 1675.356391] ? flush_workqueue+0x49b/0x1310 [ 1675.360693] generic_make_request+0x67/0x850 [ 1675.365097] ? mempool_alloc+0x10e/0x2d0 [ 1675.369141] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1675.374573] ? blk_queue_exit+0x1d0/0x1d0 [ 1675.378700] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1675.383695] ? kmem_cache_alloc+0x35f/0x3c0 [ 1675.387997] submit_bio+0x234/0x390 [ 1675.391602] ? generic_make_request+0x850/0x850 [ 1675.396249] ? __lockdep_init_map+0x100/0x560 [ 1675.400722] ? __lockdep_init_map+0x100/0x560 [ 1675.405204] submit_bio_wait+0xe8/0x140 [ 1675.409167] ? submit_bio_wait_endio+0xb0/0xb0 [ 1675.413734] blkdev_issue_flush+0x218/0x320 [ 1675.418050] ext4_sync_fs+0x46f/0x7e0 [ 1675.421831] ? bdev_try_to_free_page+0x150/0x150 [ 1675.426565] ? iterate_supers+0xda/0x490 [ 1675.430605] ? bdev_try_to_free_page+0x150/0x150 [ 1675.435344] ? vfs_fsync_range+0x260/0x260 [ 1675.439572] sync_fs_one_sb+0xb1/0xe0 [ 1675.443350] iterate_supers+0x124/0x490 [ 1675.447305] sys_sync+0x9a/0x130 [ 1675.450664] ? vfs_fsync+0x210/0x210 [ 1675.454361] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1675.459358] ? vfs_fsync+0x210/0x210 [ 1675.463050] do_syscall_64+0x1d5/0x640 [ 1675.466917] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1675.472085] RIP: 0033:0x7f3c6be997c9 [ 1675.475772] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1675.483457] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1675.490704] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1675.497953] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1675.505201] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1675.512446] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000030 [ 1675.519706] CPU: 0 PID: 11867 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1675.527661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1675.536989] Call Trace: [ 1675.539572] dump_stack+0x1b2/0x281 [ 1675.543179] should_fail.cold+0x10a/0x149 [ 1675.547305] ? sync_fs_one_sb+0xb1/0xe0 [ 1675.551262] should_failslab+0xd6/0x130 [ 1675.555215] kmem_cache_alloc_node+0x54/0x410 [ 1675.559692] create_task_io_context+0x2a/0x3c0 [ 1675.564257] generic_make_request_checks+0x1350/0x19f0 [ 1675.569513] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1675.573898] ? flush_workqueue+0x129/0x1310 [ 1675.578200] ? trace_hardirqs_on+0x10/0x10 [ 1675.582413] generic_make_request+0x67/0x850 [ 1675.586800] ? mempool_alloc+0x10e/0x2d0 [ 1675.590838] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1675.596269] ? blk_queue_exit+0x1d0/0x1d0 [ 1675.600396] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1675.605394] ? kmem_cache_alloc+0x35f/0x3c0 [ 1675.609713] submit_bio+0x234/0x390 [ 1675.613321] ? generic_make_request+0x850/0x850 [ 1675.617966] ? __lockdep_init_map+0x100/0x560 [ 1675.622436] ? __lockdep_init_map+0x100/0x560 [ 1675.626911] submit_bio_wait+0xe8/0x140 [ 1675.630862] ? submit_bio_wait_endio+0xb0/0xb0 [ 1675.635427] blkdev_issue_flush+0x218/0x320 [ 1675.639729] ext4_sync_fs+0x46f/0x7e0 [ 1675.643507] ? bdev_try_to_free_page+0x150/0x150 [ 1675.648241] ? iterate_supers+0xda/0x490 [ 1675.652283] ? bdev_try_to_free_page+0x150/0x150 [ 1675.657015] ? vfs_fsync_range+0x260/0x260 [ 1675.661226] sync_fs_one_sb+0xb1/0xe0 [ 1675.665004] iterate_supers+0x124/0x490 [ 1675.668957] sys_sync+0x9a/0x130 [ 1675.672303] ? vfs_fsync+0x210/0x210 [ 1675.675996] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1675.680989] ? vfs_fsync+0x210/0x210 [ 1675.684679] do_syscall_64+0x1d5/0x640 [ 1675.688564] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1675.693735] RIP: 0033:0x7f3c6be997c9 [ 1675.697440] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1675.705125] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1675.712371] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1675.719616] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1675.726862] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1675.734113] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000051 [ 1675.749341] CPU: 0 PID: 11872 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1675.757317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1675.766662] Call Trace: [ 1675.769244] dump_stack+0x1b2/0x281 [ 1675.772864] should_fail.cold+0x10a/0x149 [ 1675.777004] ? sync_fs_one_sb+0xb1/0xe0 [ 1675.780973] should_failslab+0xd6/0x130 [ 1675.784942] kmem_cache_alloc_node+0x54/0x410 [ 1675.789433] create_task_io_context+0x2a/0x3c0 [ 1675.794001] generic_make_request_checks+0x1350/0x19f0 [ 1675.799256] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1675.803640] ? flush_workqueue+0x129/0x1310 [ 1675.807941] ? flush_workqueue+0x49b/0x1310 [ 1675.812246] generic_make_request+0x67/0x850 [ 1675.816630] ? mempool_alloc+0x10e/0x2d0 [ 1675.820668] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1675.826100] ? blk_queue_exit+0x1d0/0x1d0 [ 1675.830225] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1675.835217] ? kmem_cache_alloc+0x35f/0x3c0 [ 1675.839514] submit_bio+0x234/0x390 [ 1675.843117] ? generic_make_request+0x850/0x850 [ 1675.847770] ? __lockdep_init_map+0x100/0x560 [ 1675.852262] ? __lockdep_init_map+0x100/0x560 [ 1675.856734] submit_bio_wait+0xe8/0x140 [ 1675.860684] ? submit_bio_wait_endio+0xb0/0xb0 [ 1675.865248] blkdev_issue_flush+0x218/0x320 [ 1675.869553] ext4_sync_fs+0x46f/0x7e0 [ 1675.873336] ? bdev_try_to_free_page+0x150/0x150 [ 1675.878068] ? iterate_supers+0xda/0x490 [ 1675.882118] ? bdev_try_to_free_page+0x150/0x150 [ 1675.886860] ? vfs_fsync_range+0x260/0x260 [ 1675.891094] sync_fs_one_sb+0xb1/0xe0 [ 1675.894871] iterate_supers+0x124/0x490 [ 1675.898820] sys_sync+0x9a/0x130 [ 1675.902162] ? vfs_fsync+0x210/0x210 [ 1675.905852] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1675.910861] ? vfs_fsync+0x210/0x210 [ 1675.914558] do_syscall_64+0x1d5/0x640 [ 1675.918434] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1675.923598] RIP: 0033:0x7f3c6be997c9 [ 1675.927285] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1675.934973] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1675.942220] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1675.949468] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1675.956733] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1675.963994] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000032 [ 1675.987449] FAULT_INJECTION: forcing a failure. [ 1675.987449] name failslab, interval 1, probability 0, space 0, times 0 [ 1676.000438] CPU: 1 PID: 11906 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1676.008401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1676.017738] Call Trace: [ 1676.020318] dump_stack+0x1b2/0x281 [ 1676.023929] should_fail.cold+0x10a/0x149 [ 1676.028056] ? sync_fs_one_sb+0xb1/0xe0 [ 1676.032011] should_failslab+0xd6/0x130 [ 1676.035965] kmem_cache_alloc_node+0x54/0x410 [ 1676.040442] create_task_io_context+0x2a/0x3c0 [ 1676.045003] generic_make_request_checks+0x1350/0x19f0 [ 1676.050259] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1676.054646] ? flush_workqueue+0x129/0x1310 [ 1676.058949] ? flush_workqueue+0x49b/0x1310 [ 1676.063252] generic_make_request+0x67/0x850 [ 1676.067636] ? mempool_alloc+0x10e/0x2d0 [ 1676.071675] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1676.077101] ? blk_queue_exit+0x1d0/0x1d0 [ 1676.081231] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1676.086224] ? kmem_cache_alloc+0x35f/0x3c0 [ 1676.090527] submit_bio+0x234/0x390 [ 1676.094133] ? generic_make_request+0x850/0x850 [ 1676.098790] ? __lockdep_init_map+0x100/0x560 [ 1676.103264] ? __lockdep_init_map+0x100/0x560 [ 1676.107740] submit_bio_wait+0xe8/0x140 [ 1676.111704] ? submit_bio_wait_endio+0xb0/0xb0 [ 1676.116270] blkdev_issue_flush+0x218/0x320 [ 1676.120574] ext4_sync_fs+0x46f/0x7e0 [ 1676.124374] ? bdev_try_to_free_page+0x150/0x150 [ 1676.129105] ? iterate_supers+0xda/0x490 [ 1676.133149] ? bdev_try_to_free_page+0x150/0x150 [ 1676.137881] ? vfs_fsync_range+0x260/0x260 [ 1676.142096] sync_fs_one_sb+0xb1/0xe0 [ 1676.145873] iterate_supers+0x124/0x490 [ 1676.149827] sys_sync+0x9a/0x130 [ 1676.153176] ? vfs_fsync+0x210/0x210 [ 1676.156868] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1676.161861] ? vfs_fsync+0x210/0x210 [ 1676.165552] do_syscall_64+0x1d5/0x640 [ 1676.169423] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1676.174590] RIP: 0033:0x7f3c6be997c9 [ 1676.178276] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1676.185968] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1676.193213] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1676.200457] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1676.207709] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 executing program [ 1676.214957] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000038 executing program [ 1676.348265] FAULT_INJECTION: forcing a failure. [ 1676.348265] name failslab, interval 1, probability 0, space 0, times 0 [ 1676.351866] FAULT_INJECTION: forcing a failure. [ 1676.351866] name failslab, interval 1, probability 0, space 0, times 0 [ 1676.360607] CPU: 0 PID: 11924 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1676.378625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1676.387963] Call Trace: [ 1676.390541] dump_stack+0x1b2/0x281 [ 1676.394159] should_fail.cold+0x10a/0x149 [ 1676.398293] should_failslab+0xd6/0x130 [ 1676.402249] kmem_cache_alloc+0x28e/0x3c0 [ 1676.406379] start_transaction+0x27c/0xf30 [ 1676.410606] ? vfs_fsync_range+0x260/0x260 [ 1676.414823] btrfs_attach_transaction_barrier+0x22/0x80 [ 1676.420171] btrfs_sync_fs+0xcd/0x430 [ 1676.423950] ? btrfs_freeze+0xb0/0xb0 [ 1676.427745] ? vfs_fsync_range+0x260/0x260 [ 1676.431968] sync_fs_one_sb+0xb1/0xe0 [ 1676.435750] iterate_supers+0x124/0x490 [ 1676.439721] sys_sync+0x9a/0x130 [ 1676.443070] ? vfs_fsync+0x210/0x210 [ 1676.446770] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1676.451773] ? vfs_fsync+0x210/0x210 [ 1676.455483] do_syscall_64+0x1d5/0x640 [ 1676.459382] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1676.464556] RIP: 0033:0x7f3c6be997c9 [ 1676.468247] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1676.475941] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1676.483199] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1676.490470] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1676.497727] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1676.504984] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000030 [ 1676.512524] CPU: 1 PID: 11915 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1676.520492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1676.529854] Call Trace: [ 1676.532427] dump_stack+0x1b2/0x281 [ 1676.536036] should_fail.cold+0x10a/0x149 [ 1676.540174] ? sync_fs_one_sb+0xb1/0xe0 [ 1676.544144] should_failslab+0xd6/0x130 [ 1676.548118] kmem_cache_alloc_node+0x54/0x410 [ 1676.552612] create_task_io_context+0x2a/0x3c0 [ 1676.557179] generic_make_request_checks+0x1350/0x19f0 [ 1676.562444] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1676.566842] ? flush_workqueue+0x129/0x1310 [ 1676.571141] ? flush_workqueue+0x49b/0x1310 [ 1676.575445] generic_make_request+0x67/0x850 [ 1676.579830] ? mempool_alloc+0x10e/0x2d0 [ 1676.583864] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1676.589287] ? blk_queue_exit+0x1d0/0x1d0 [ 1676.593416] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1676.598406] ? kmem_cache_alloc+0x35f/0x3c0 [ 1676.602718] submit_bio+0x234/0x390 [ 1676.606319] ? generic_make_request+0x850/0x850 [ 1676.610961] ? __lockdep_init_map+0x100/0x560 [ 1676.615430] ? __lockdep_init_map+0x100/0x560 [ 1676.619902] submit_bio_wait+0xe8/0x140 [ 1676.623854] ? submit_bio_wait_endio+0xb0/0xb0 [ 1676.628417] blkdev_issue_flush+0x218/0x320 [ 1676.632717] ext4_sync_fs+0x46f/0x7e0 [ 1676.636491] ? bdev_try_to_free_page+0x150/0x150 [ 1676.641221] ? iterate_supers+0xda/0x490 [ 1676.645256] ? bdev_try_to_free_page+0x150/0x150 [ 1676.649987] ? vfs_fsync_range+0x260/0x260 [ 1676.654200] sync_fs_one_sb+0xb1/0xe0 [ 1676.657973] iterate_supers+0x124/0x490 [ 1676.661923] sys_sync+0x9a/0x130 [ 1676.665278] ? vfs_fsync+0x210/0x210 [ 1676.668977] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1676.673981] ? vfs_fsync+0x210/0x210 [ 1676.677678] do_syscall_64+0x1d5/0x640 [ 1676.681544] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1676.686726] RIP: 0033:0x7f3c6be997c9 [ 1676.690410] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 executing program executing program executing program [ 1676.698091] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1676.705336] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1676.712579] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1676.719826] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1676.727071] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000031 executing program [ 1676.797650] FAULT_INJECTION: forcing a failure. [ 1676.797650] name failslab, interval 1, probability 0, space 0, times 0 [ 1676.800271] FAULT_INJECTION: forcing a failure. [ 1676.800271] name failslab, interval 1, probability 0, space 0, times 0 [ 1676.820411] FAULT_INJECTION: forcing a failure. [ 1676.820411] name failslab, interval 1, probability 0, space 0, times 0 [ 1676.822498] CPU: 0 PID: 11930 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1676.832045] FAULT_INJECTION: forcing a failure. [ 1676.832045] name failslab, interval 1, probability 0, space 0, times 0 [ 1676.839544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1676.839548] Call Trace: [ 1676.839560] dump_stack+0x1b2/0x281 [ 1676.839573] should_fail.cold+0x10a/0x149 [ 1676.839583] ? sync_fs_one_sb+0xb1/0xe0 [ 1676.839592] should_failslab+0xd6/0x130 [ 1676.839604] kmem_cache_alloc_node+0x54/0x410 [ 1676.882734] create_task_io_context+0x2a/0x3c0 [ 1676.887318] generic_make_request_checks+0x1350/0x19f0 [ 1676.892576] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1676.896979] ? flush_workqueue+0x129/0x1310 [ 1676.901283] ? flush_workqueue+0x49b/0x1310 [ 1676.905583] generic_make_request+0x67/0x850 [ 1676.909987] ? mempool_alloc+0x10e/0x2d0 [ 1676.914026] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1676.919466] ? blk_queue_exit+0x1d0/0x1d0 [ 1676.923599] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1676.928595] ? kmem_cache_alloc+0x35f/0x3c0 [ 1676.932896] submit_bio+0x234/0x390 [ 1676.936517] ? generic_make_request+0x850/0x850 [ 1676.941164] ? __lockdep_init_map+0x100/0x560 [ 1676.945636] ? __lockdep_init_map+0x100/0x560 [ 1676.950112] submit_bio_wait+0xe8/0x140 [ 1676.954066] ? submit_bio_wait_endio+0xb0/0xb0 [ 1676.958648] blkdev_issue_flush+0x218/0x320 [ 1676.962950] ext4_sync_fs+0x46f/0x7e0 [ 1676.966734] ? bdev_try_to_free_page+0x150/0x150 [ 1676.971465] ? iterate_supers+0xda/0x490 [ 1676.975507] ? bdev_try_to_free_page+0x150/0x150 [ 1676.980243] ? vfs_fsync_range+0x260/0x260 [ 1676.984456] sync_fs_one_sb+0xb1/0xe0 [ 1676.988235] iterate_supers+0x124/0x490 [ 1676.992189] sys_sync+0x9a/0x130 [ 1676.995535] ? vfs_fsync+0x210/0x210 [ 1676.999231] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1677.004224] ? vfs_fsync+0x210/0x210 [ 1677.007919] do_syscall_64+0x1d5/0x640 [ 1677.011803] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1677.016975] RIP: 0033:0x7f3c6be997c9 [ 1677.020681] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1677.028367] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1677.035673] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1677.042928] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1677.050175] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1677.057434] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000039 [ 1677.077041] CPU: 1 PID: 11942 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1677.085018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1677.094363] Call Trace: [ 1677.096947] dump_stack+0x1b2/0x281 [ 1677.100577] should_fail.cold+0x10a/0x149 [ 1677.104723] should_failslab+0xd6/0x130 [ 1677.108780] kmem_cache_alloc+0x28e/0x3c0 [ 1677.112923] start_transaction+0x27c/0xf30 [ 1677.117162] ? vfs_fsync_range+0x260/0x260 [ 1677.121391] btrfs_attach_transaction_barrier+0x22/0x80 [ 1677.126750] btrfs_sync_fs+0xcd/0x430 [ 1677.130544] ? btrfs_freeze+0xb0/0xb0 [ 1677.134343] ? vfs_fsync_range+0x260/0x260 [ 1677.138574] sync_fs_one_sb+0xb1/0xe0 [ 1677.142371] iterate_supers+0x124/0x490 [ 1677.146340] sys_sync+0x9a/0x130 [ 1677.149699] ? vfs_fsync+0x210/0x210 [ 1677.153409] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1677.158415] ? vfs_fsync+0x210/0x210 [ 1677.162113] do_syscall_64+0x1d5/0x640 [ 1677.165990] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1677.171161] RIP: 0033:0x7f3c6be997c9 [ 1677.174848] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1677.182534] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1677.189781] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1677.197030] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1677.204313] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1677.211566] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000031 [ 1677.218849] CPU: 0 PID: 11938 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1677.226806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1677.236271] Call Trace: [ 1677.238842] dump_stack+0x1b2/0x281 [ 1677.242456] should_fail.cold+0x10a/0x149 [ 1677.246585] should_failslab+0xd6/0x130 [ 1677.250539] kmem_cache_alloc+0x28e/0x3c0 [ 1677.254670] start_transaction+0x27c/0xf30 [ 1677.258887] ? vfs_fsync_range+0x260/0x260 [ 1677.263103] btrfs_attach_transaction_barrier+0x22/0x80 [ 1677.268444] btrfs_sync_fs+0xcd/0x430 [ 1677.272230] ? btrfs_freeze+0xb0/0xb0 [ 1677.276028] ? vfs_fsync_range+0x260/0x260 [ 1677.280240] sync_fs_one_sb+0xb1/0xe0 [ 1677.284025] iterate_supers+0x124/0x490 [ 1677.287981] sys_sync+0x9a/0x130 [ 1677.291330] ? vfs_fsync+0x210/0x210 [ 1677.295030] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1677.300025] ? vfs_fsync+0x210/0x210 [ 1677.303719] do_syscall_64+0x1d5/0x640 [ 1677.307606] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1677.312790] RIP: 0033:0x7f3c6be997c9 [ 1677.316495] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1677.324182] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1677.331428] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1677.338679] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 executing program [ 1677.345926] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1677.353189] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000052 [ 1677.360463] CPU: 1 PID: 11939 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1677.368427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1677.377770] Call Trace: [ 1677.380355] dump_stack+0x1b2/0x281 [ 1677.383981] should_fail.cold+0x10a/0x149 [ 1677.388125] ? sync_fs_one_sb+0xb1/0xe0 [ 1677.392098] should_failslab+0xd6/0x130 [ 1677.396070] kmem_cache_alloc_node+0x54/0x410 [ 1677.400559] create_task_io_context+0x2a/0x3c0 [ 1677.405130] generic_make_request_checks+0x1350/0x19f0 [ 1677.410387] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1677.414771] ? flush_workqueue+0x129/0x1310 [ 1677.419069] ? flush_workqueue+0x49b/0x1310 [ 1677.423374] generic_make_request+0x67/0x850 [ 1677.427765] ? mempool_alloc+0x10e/0x2d0 [ 1677.431808] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1677.437233] ? blk_queue_exit+0x1d0/0x1d0 [ 1677.441357] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1677.446368] ? kmem_cache_alloc+0x35f/0x3c0 [ 1677.450670] submit_bio+0x234/0x390 [ 1677.454384] ? generic_make_request+0x850/0x850 [ 1677.459031] ? __lockdep_init_map+0x100/0x560 [ 1677.463502] ? __lockdep_init_map+0x100/0x560 [ 1677.467975] submit_bio_wait+0xe8/0x140 [ 1677.471923] ? submit_bio_wait_endio+0xb0/0xb0 [ 1677.476497] blkdev_issue_flush+0x218/0x320 [ 1677.480801] ext4_sync_fs+0x46f/0x7e0 [ 1677.484577] ? bdev_try_to_free_page+0x150/0x150 [ 1677.489307] ? iterate_supers+0xda/0x490 [ 1677.493343] ? bdev_try_to_free_page+0x150/0x150 [ 1677.498072] ? vfs_fsync_range+0x260/0x260 [ 1677.502299] sync_fs_one_sb+0xb1/0xe0 [ 1677.506073] iterate_supers+0x124/0x490 [ 1677.510023] sys_sync+0x9a/0x130 [ 1677.513366] ? vfs_fsync+0x210/0x210 [ 1677.517057] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1677.522046] ? vfs_fsync+0x210/0x210 [ 1677.525909] do_syscall_64+0x1d5/0x640 [ 1677.529774] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1677.534937] RIP: 0033:0x7f3c6be997c9 [ 1677.538624] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 executing program [ 1677.546312] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1677.553559] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1677.560802] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1677.568066] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1677.575310] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000033 [ 1677.628071] FAULT_INJECTION: forcing a failure. [ 1677.628071] name failslab, interval 1, probability 0, space 0, times 0 [ 1677.631147] FAULT_INJECTION: forcing a failure. [ 1677.631147] name failslab, interval 1, probability 0, space 0, times 0 [ 1677.645822] CPU: 0 PID: 11951 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1677.658651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1677.667984] Call Trace: [ 1677.670552] dump_stack+0x1b2/0x281 [ 1677.674160] should_fail.cold+0x10a/0x149 [ 1677.678289] ? sync_fs_one_sb+0xb1/0xe0 [ 1677.682242] should_failslab+0xd6/0x130 [ 1677.686196] kmem_cache_alloc_node+0x54/0x410 [ 1677.690669] create_task_io_context+0x2a/0x3c0 [ 1677.695229] generic_make_request_checks+0x1350/0x19f0 [ 1677.700486] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1677.704891] ? flush_workqueue+0x129/0x1310 [ 1677.709192] ? flush_workqueue+0x49b/0x1310 [ 1677.713493] generic_make_request+0x67/0x850 [ 1677.717881] ? mempool_alloc+0x10e/0x2d0 [ 1677.721930] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1677.727357] ? blk_queue_exit+0x1d0/0x1d0 [ 1677.731482] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1677.736479] ? kmem_cache_alloc+0x35f/0x3c0 [ 1677.740780] submit_bio+0x234/0x390 [ 1677.744387] ? generic_make_request+0x850/0x850 [ 1677.749034] ? __lockdep_init_map+0x100/0x560 [ 1677.753506] ? __lockdep_init_map+0x100/0x560 [ 1677.757984] submit_bio_wait+0xe8/0x140 [ 1677.761940] ? submit_bio_wait_endio+0xb0/0xb0 [ 1677.766504] blkdev_issue_flush+0x218/0x320 [ 1677.770805] ext4_sync_fs+0x46f/0x7e0 [ 1677.774583] ? bdev_try_to_free_page+0x150/0x150 [ 1677.779317] ? iterate_supers+0xda/0x490 [ 1677.783357] ? bdev_try_to_free_page+0x150/0x150 [ 1677.788087] ? vfs_fsync_range+0x260/0x260 [ 1677.792297] sync_fs_one_sb+0xb1/0xe0 [ 1677.796079] iterate_supers+0x124/0x490 [ 1677.800043] sys_sync+0x9a/0x130 [ 1677.803389] ? vfs_fsync+0x210/0x210 [ 1677.807084] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1677.812076] ? vfs_fsync+0x210/0x210 [ 1677.815778] do_syscall_64+0x1d5/0x640 [ 1677.819748] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1677.824921] RIP: 0033:0x7f3c6be997c9 [ 1677.828609] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1677.836295] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1677.843542] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1677.850805] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1677.858050] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1677.865296] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000031 [ 1677.882798] BTRFS info (device loop1): disabling disk space caching [ 1677.889457] BTRFS info (device loop1): has skinny extents [ 1677.895616] CPU: 1 PID: 11954 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1677.903579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1677.912921] Call Trace: [ 1677.915502] dump_stack+0x1b2/0x281 [ 1677.919127] should_fail.cold+0x10a/0x149 [ 1677.923294] ? lock_downgrade+0x740/0x740 [ 1677.927437] ? mempool_free+0x1d0/0x1d0 [ 1677.931417] should_failslab+0xd6/0x130 [ 1677.935395] kmem_cache_alloc+0x40/0x3c0 [ 1677.939452] ? mempool_free+0x1d0/0x1d0 [ 1677.943423] mempool_alloc+0x10e/0x2d0 [ 1677.947307] ? remove_element.isra.0+0x1b0/0x1b0 [ 1677.952057] ? flush_workqueue+0x40e/0x1310 [ 1677.956372] ? check_preemption_disabled+0x35/0x240 [ 1677.961398] bio_alloc_bioset+0x41b/0x830 [ 1677.965543] ? bvec_alloc+0x2d0/0x2d0 [ 1677.969341] blkdev_issue_flush+0xeb/0x320 [ 1677.973572] ext4_sync_fs+0x46f/0x7e0 [ 1677.977369] ? bdev_try_to_free_page+0x150/0x150 [ 1677.982120] ? iterate_supers+0xda/0x490 [ 1677.986177] ? bdev_try_to_free_page+0x150/0x150 [ 1677.990929] ? vfs_fsync_range+0x260/0x260 [ 1677.995150] sync_fs_one_sb+0xb1/0xe0 [ 1677.998930] iterate_supers+0x124/0x490 [ 1678.002882] sys_sync+0x9a/0x130 [ 1678.006222] ? vfs_fsync+0x210/0x210 [ 1678.009920] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1678.014918] ? vfs_fsync+0x210/0x210 [ 1678.018611] do_syscall_64+0x1d5/0x640 [ 1678.022482] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1678.027646] RIP: 0033:0x7f3c6be997c9 executing program [ 1678.031333] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1678.039013] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1678.046271] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1678.053515] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1678.060760] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1678.068007] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000003a [ 1678.122138] BTRFS info (device loop1): checking UUID tree [ 1678.128514] BTRFS warning (device loop1): btrfs_uuid_scan_kthread failed -28 [ 1678.169140] FAULT_INJECTION: forcing a failure. [ 1678.169140] name failslab, interval 1, probability 0, space 0, times 0 [ 1678.182312] CPU: 1 PID: 11966 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1678.190278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1678.199616] Call Trace: [ 1678.202185] dump_stack+0x1b2/0x281 [ 1678.205796] should_fail.cold+0x10a/0x149 [ 1678.209924] ? lock_downgrade+0x740/0x740 [ 1678.214051] ? mempool_free+0x1d0/0x1d0 [ 1678.218004] should_failslab+0xd6/0x130 [ 1678.221962] kmem_cache_alloc+0x40/0x3c0 [ 1678.226004] ? mempool_free+0x1d0/0x1d0 [ 1678.229963] mempool_alloc+0x10e/0x2d0 [ 1678.233834] ? remove_element.isra.0+0x1b0/0x1b0 [ 1678.238572] ? flush_workqueue+0x40e/0x1310 [ 1678.242874] ? check_preemption_disabled+0x35/0x240 [ 1678.247876] bio_alloc_bioset+0x41b/0x830 [ 1678.252007] ? bvec_alloc+0x2d0/0x2d0 [ 1678.255805] blkdev_issue_flush+0xeb/0x320 [ 1678.260028] ext4_sync_fs+0x46f/0x7e0 [ 1678.263809] ? bdev_try_to_free_page+0x150/0x150 [ 1678.268562] ? iterate_supers+0xda/0x490 [ 1678.272608] ? bdev_try_to_free_page+0x150/0x150 [ 1678.277348] ? vfs_fsync_range+0x260/0x260 [ 1678.281564] sync_fs_one_sb+0xb1/0xe0 [ 1678.285342] iterate_supers+0x124/0x490 [ 1678.289295] sys_sync+0x9a/0x130 [ 1678.292641] ? vfs_fsync+0x210/0x210 [ 1678.296339] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1678.301336] ? vfs_fsync+0x210/0x210 [ 1678.305037] do_syscall_64+0x1d5/0x640 [ 1678.308921] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1678.314088] RIP: 0033:0x7f3c6be997c9 executing program executing program [ 1678.317793] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1678.325478] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1678.332722] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1678.339969] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1678.347216] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1678.354461] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000032 executing program executing program [ 1678.393192] FAULT_INJECTION: forcing a failure. [ 1678.393192] name failslab, interval 1, probability 0, space 0, times 0 [ 1678.405882] FAULT_INJECTION: forcing a failure. [ 1678.405882] name failslab, interval 1, probability 0, space 0, times 0 [ 1678.406166] FAULT_INJECTION: forcing a failure. [ 1678.406166] name failslab, interval 1, probability 0, space 0, times 0 [ 1678.432937] FAULT_INJECTION: forcing a failure. [ 1678.432937] name failslab, interval 1, probability 0, space 0, times 0 [ 1678.452089] CPU: 1 PID: 11998 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1678.460056] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1678.469397] Call Trace: [ 1678.471976] dump_stack+0x1b2/0x281 [ 1678.475594] should_fail.cold+0x10a/0x149 [ 1678.479748] ? sync_fs_one_sb+0xb1/0xe0 [ 1678.483714] should_failslab+0xd6/0x130 [ 1678.487677] kmem_cache_alloc_node+0x54/0x410 [ 1678.492202] create_task_io_context+0x2a/0x3c0 [ 1678.496774] generic_make_request_checks+0x1350/0x19f0 [ 1678.502044] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1678.506439] ? flush_workqueue+0x129/0x1310 [ 1678.510768] ? flush_workqueue+0x49b/0x1310 [ 1678.515071] generic_make_request+0x67/0x850 [ 1678.519466] ? mempool_alloc+0x10e/0x2d0 [ 1678.523513] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1678.528949] ? blk_queue_exit+0x1d0/0x1d0 [ 1678.533104] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1678.538117] ? kmem_cache_alloc+0x35f/0x3c0 [ 1678.542428] submit_bio+0x234/0x390 [ 1678.546057] ? generic_make_request+0x850/0x850 [ 1678.550715] ? __lockdep_init_map+0x100/0x560 [ 1678.555214] ? __lockdep_init_map+0x100/0x560 [ 1678.559695] submit_bio_wait+0xe8/0x140 [ 1678.563647] ? submit_bio_wait_endio+0xb0/0xb0 [ 1678.568211] blkdev_issue_flush+0x218/0x320 [ 1678.572528] ext4_sync_fs+0x46f/0x7e0 [ 1678.576309] ? bdev_try_to_free_page+0x150/0x150 [ 1678.581039] ? iterate_supers+0xda/0x490 [ 1678.585080] ? bdev_try_to_free_page+0x150/0x150 [ 1678.589812] ? vfs_fsync_range+0x260/0x260 [ 1678.594024] sync_fs_one_sb+0xb1/0xe0 [ 1678.597803] iterate_supers+0x124/0x490 [ 1678.601757] sys_sync+0x9a/0x130 [ 1678.605104] ? vfs_fsync+0x210/0x210 [ 1678.608800] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1678.613792] ? vfs_fsync+0x210/0x210 [ 1678.617488] do_syscall_64+0x1d5/0x640 [ 1678.621359] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1678.626527] RIP: 0033:0x7f3c6be997c9 [ 1678.630216] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1678.637900] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1678.645145] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1678.652391] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1678.659637] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1678.666883] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000032 [ 1678.674156] CPU: 0 PID: 11997 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1678.682121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1678.691465] Call Trace: [ 1678.694041] dump_stack+0x1b2/0x281 [ 1678.697659] should_fail.cold+0x10a/0x149 [ 1678.701799] ? sync_fs_one_sb+0xb1/0xe0 [ 1678.705783] should_failslab+0xd6/0x130 [ 1678.709745] kmem_cache_alloc_node+0x54/0x410 [ 1678.714227] create_task_io_context+0x2a/0x3c0 [ 1678.718801] generic_make_request_checks+0x1350/0x19f0 [ 1678.724084] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1678.728484] ? flush_workqueue+0x129/0x1310 [ 1678.732799] ? flush_workqueue+0x49b/0x1310 [ 1678.737115] generic_make_request+0x67/0x850 [ 1678.741513] ? mempool_alloc+0x10e/0x2d0 [ 1678.745559] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1678.750990] ? blk_queue_exit+0x1d0/0x1d0 [ 1678.755134] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1678.760152] ? kmem_cache_alloc+0x35f/0x3c0 [ 1678.764462] submit_bio+0x234/0x390 [ 1678.768073] ? generic_make_request+0x850/0x850 [ 1678.772720] ? __lockdep_init_map+0x100/0x560 [ 1678.777199] ? __lockdep_init_map+0x100/0x560 [ 1678.781677] submit_bio_wait+0xe8/0x140 [ 1678.785629] ? submit_bio_wait_endio+0xb0/0xb0 [ 1678.790202] blkdev_issue_flush+0x218/0x320 [ 1678.794511] ext4_sync_fs+0x46f/0x7e0 [ 1678.798301] ? bdev_try_to_free_page+0x150/0x150 [ 1678.803048] ? iterate_supers+0xda/0x490 [ 1678.807104] ? bdev_try_to_free_page+0x150/0x150 [ 1678.811854] ? vfs_fsync_range+0x260/0x260 [ 1678.816086] sync_fs_one_sb+0xb1/0xe0 [ 1678.819876] iterate_supers+0x124/0x490 [ 1678.823837] sys_sync+0x9a/0x130 [ 1678.827201] ? vfs_fsync+0x210/0x210 [ 1678.830898] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1678.835891] ? vfs_fsync+0x210/0x210 [ 1678.839590] do_syscall_64+0x1d5/0x640 [ 1678.843464] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1678.848630] RIP: 0033:0x7f3c6be997c9 [ 1678.852337] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1678.860028] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1678.867287] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1678.874549] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1678.881808] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1678.889063] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000003b [ 1678.896326] CPU: 1 PID: 11999 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1678.904285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1678.913630] Call Trace: [ 1678.916203] dump_stack+0x1b2/0x281 [ 1678.919817] should_fail.cold+0x10a/0x149 [ 1678.923963] should_failslab+0xd6/0x130 [ 1678.927916] kmem_cache_alloc+0x28e/0x3c0 [ 1678.932047] start_transaction+0x27c/0xf30 [ 1678.936266] ? vfs_fsync_range+0x260/0x260 [ 1678.940477] btrfs_attach_transaction_barrier+0x22/0x80 [ 1678.945820] btrfs_sync_fs+0xcd/0x430 [ 1678.949597] ? btrfs_freeze+0xb0/0xb0 [ 1678.953373] ? vfs_fsync_range+0x260/0x260 [ 1678.957583] sync_fs_one_sb+0xb1/0xe0 [ 1678.961379] iterate_supers+0x124/0x490 [ 1678.965333] sys_sync+0x9a/0x130 [ 1678.968678] ? vfs_fsync+0x210/0x210 [ 1678.972371] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1678.977378] ? vfs_fsync+0x210/0x210 [ 1678.981068] do_syscall_64+0x1d5/0x640 [ 1678.984940] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1678.990106] RIP: 0033:0x7f3c6be997c9 [ 1678.993802] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1679.001488] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1679.008734] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1679.015980] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1679.023227] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1679.030475] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000034 [ 1679.037733] CPU: 0 PID: 12002 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1679.045696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1679.055039] Call Trace: [ 1679.057621] dump_stack+0x1b2/0x281 [ 1679.061245] should_fail.cold+0x10a/0x149 [ 1679.065391] ? sync_fs_one_sb+0xb1/0xe0 [ 1679.069361] should_failslab+0xd6/0x130 [ 1679.073330] kmem_cache_alloc_node+0x54/0x410 [ 1679.077819] create_task_io_context+0x2a/0x3c0 [ 1679.082400] generic_make_request_checks+0x1350/0x19f0 [ 1679.087675] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1679.092079] ? flush_workqueue+0x129/0x1310 [ 1679.096389] ? flush_workqueue+0x49b/0x1310 [ 1679.100687] generic_make_request+0x67/0x850 [ 1679.105077] ? mempool_alloc+0x10e/0x2d0 [ 1679.109120] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1679.114552] ? blk_queue_exit+0x1d0/0x1d0 [ 1679.118789] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1679.123795] ? kmem_cache_alloc+0x35f/0x3c0 [ 1679.128104] submit_bio+0x234/0x390 [ 1679.131723] ? generic_make_request+0x850/0x850 [ 1679.136382] ? __lockdep_init_map+0x100/0x560 [ 1679.140867] ? __lockdep_init_map+0x100/0x560 [ 1679.145343] submit_bio_wait+0xe8/0x140 [ 1679.149305] ? submit_bio_wait_endio+0xb0/0xb0 [ 1679.153897] blkdev_issue_flush+0x218/0x320 [ 1679.158200] ext4_sync_fs+0x46f/0x7e0 [ 1679.161977] ? bdev_try_to_free_page+0x150/0x150 [ 1679.166706] ? iterate_supers+0xda/0x490 [ 1679.170763] ? bdev_try_to_free_page+0x150/0x150 [ 1679.175527] ? vfs_fsync_range+0x260/0x260 [ 1679.179741] sync_fs_one_sb+0xb1/0xe0 [ 1679.183574] iterate_supers+0x124/0x490 [ 1679.187539] sys_sync+0x9a/0x130 [ 1679.190892] ? vfs_fsync+0x210/0x210 [ 1679.194590] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1679.199585] ? vfs_fsync+0x210/0x210 [ 1679.203297] do_syscall_64+0x1d5/0x640 [ 1679.207188] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1679.212368] RIP: 0033:0x7f3c6be997c9 [ 1679.216061] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1679.223750] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1679.231022] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1679.238275] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1679.245519] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1679.252785] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000053 executing program [ 1679.302292] BTRFS info (device loop1): disabling disk space caching [ 1679.310665] BTRFS info (device loop1): has skinny extents executing program [ 1679.371610] BTRFS info (device loop1): checking UUID tree [ 1679.382179] BTRFS warning (device loop1): btrfs_uuid_scan_kthread failed -28 [ 1679.468805] FAULT_INJECTION: forcing a failure. [ 1679.468805] name failslab, interval 1, probability 0, space 0, times 0 [ 1679.480349] FAULT_INJECTION: forcing a failure. [ 1679.480349] name failslab, interval 1, probability 0, space 0, times 0 [ 1679.490853] CPU: 0 PID: 12053 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1679.499477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1679.508818] Call Trace: [ 1679.511397] dump_stack+0x1b2/0x281 [ 1679.515017] should_fail.cold+0x10a/0x149 [ 1679.519151] ? sync_fs_one_sb+0xb1/0xe0 [ 1679.523124] should_failslab+0xd6/0x130 [ 1679.527083] kmem_cache_alloc_node+0x54/0x410 [ 1679.531568] create_task_io_context+0x2a/0x3c0 [ 1679.536137] generic_make_request_checks+0x1350/0x19f0 [ 1679.541398] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1679.545793] ? flush_workqueue+0x129/0x1310 [ 1679.550095] ? flush_workqueue+0x49b/0x1310 [ 1679.554399] generic_make_request+0x67/0x850 [ 1679.558796] ? mempool_alloc+0x10e/0x2d0 [ 1679.562840] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1679.568271] ? blk_queue_exit+0x1d0/0x1d0 [ 1679.572397] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1679.577395] ? kmem_cache_alloc+0x35f/0x3c0 [ 1679.581703] submit_bio+0x234/0x390 [ 1679.585318] ? generic_make_request+0x850/0x850 [ 1679.589966] ? __lockdep_init_map+0x100/0x560 [ 1679.594441] ? __lockdep_init_map+0x100/0x560 [ 1679.598921] submit_bio_wait+0xe8/0x140 [ 1679.602874] ? submit_bio_wait_endio+0xb0/0xb0 [ 1679.607444] blkdev_issue_flush+0x218/0x320 [ 1679.611746] ext4_sync_fs+0x46f/0x7e0 [ 1679.615527] ? bdev_try_to_free_page+0x150/0x150 [ 1679.620264] ? iterate_supers+0xda/0x490 [ 1679.624311] ? bdev_try_to_free_page+0x150/0x150 [ 1679.629055] ? vfs_fsync_range+0x260/0x260 [ 1679.633274] sync_fs_one_sb+0xb1/0xe0 [ 1679.637053] iterate_supers+0x124/0x490 [ 1679.641010] sys_sync+0x9a/0x130 [ 1679.644356] ? vfs_fsync+0x210/0x210 [ 1679.648063] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1679.653066] ? vfs_fsync+0x210/0x210 [ 1679.656823] do_syscall_64+0x1d5/0x640 [ 1679.660698] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1679.665866] RIP: 0033:0x7f3c6be997c9 [ 1679.669556] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1679.677244] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1679.684493] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1679.691744] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1679.698999] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1679.706246] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000003c [ 1679.713507] CPU: 1 PID: 12023 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1679.721469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1679.730820] Call Trace: [ 1679.733407] dump_stack+0x1b2/0x281 [ 1679.737038] should_fail.cold+0x10a/0x149 [ 1679.741182] ? lock_downgrade+0x740/0x740 [ 1679.745324] ? mempool_free+0x1d0/0x1d0 [ 1679.749290] should_failslab+0xd6/0x130 [ 1679.753256] kmem_cache_alloc+0x40/0x3c0 [ 1679.757313] ? mempool_free+0x1d0/0x1d0 [ 1679.761275] mempool_alloc+0x10e/0x2d0 [ 1679.765141] ? remove_element.isra.0+0x1b0/0x1b0 [ 1679.769880] ? flush_workqueue+0x40e/0x1310 [ 1679.774184] ? check_preemption_disabled+0x35/0x240 [ 1679.779175] bio_alloc_bioset+0x41b/0x830 [ 1679.783300] ? bvec_alloc+0x2d0/0x2d0 [ 1679.787077] blkdev_issue_flush+0xeb/0x320 [ 1679.791290] ext4_sync_fs+0x46f/0x7e0 [ 1679.795069] ? bdev_try_to_free_page+0x150/0x150 [ 1679.799799] ? iterate_supers+0xda/0x490 [ 1679.803838] ? bdev_try_to_free_page+0x150/0x150 [ 1679.808571] ? vfs_fsync_range+0x260/0x260 [ 1679.812796] sync_fs_one_sb+0xb1/0xe0 [ 1679.816571] iterate_supers+0x124/0x490 [ 1679.820536] sys_sync+0x9a/0x130 [ 1679.823879] ? vfs_fsync+0x210/0x210 [ 1679.827571] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1679.832561] ? vfs_fsync+0x210/0x210 [ 1679.836248] do_syscall_64+0x1d5/0x640 [ 1679.840130] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1679.845295] RIP: 0033:0x7f3c6be997c9 [ 1679.848979] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1679.856671] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 executing program executing program [ 1679.863930] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1679.871175] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1679.878417] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1679.885661] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000032 [ 1679.904250] FAULT_INJECTION: forcing a failure. [ 1679.904250] name failslab, interval 1, probability 0, space 0, times 0 [ 1679.932111] CPU: 1 PID: 12062 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1679.940088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1679.949433] Call Trace: [ 1679.952017] dump_stack+0x1b2/0x281 [ 1679.955644] should_fail.cold+0x10a/0x149 [ 1679.959786] ? lock_downgrade+0x740/0x740 [ 1679.963924] ? mempool_free+0x1d0/0x1d0 [ 1679.967891] should_failslab+0xd6/0x130 [ 1679.971863] kmem_cache_alloc+0x40/0x3c0 [ 1679.975923] ? mempool_free+0x1d0/0x1d0 executing program [ 1679.979893] mempool_alloc+0x10e/0x2d0 [ 1679.983780] ? remove_element.isra.0+0x1b0/0x1b0 [ 1679.988532] ? flush_workqueue+0x40e/0x1310 [ 1679.992850] ? check_preemption_disabled+0x35/0x240 [ 1679.997872] bio_alloc_bioset+0x41b/0x830 [ 1680.002015] ? bvec_alloc+0x2d0/0x2d0 [ 1680.005816] blkdev_issue_flush+0xeb/0x320 [ 1680.010046] ext4_sync_fs+0x46f/0x7e0 [ 1680.013844] ? bdev_try_to_free_page+0x150/0x150 [ 1680.018591] ? iterate_supers+0xda/0x490 [ 1680.022644] ? bdev_try_to_free_page+0x150/0x150 [ 1680.027391] ? vfs_fsync_range+0x260/0x260 [ 1680.031613] sync_fs_one_sb+0xb1/0xe0 [ 1680.035390] iterate_supers+0x124/0x490 [ 1680.039356] sys_sync+0x9a/0x130 [ 1680.042724] ? vfs_fsync+0x210/0x210 [ 1680.046419] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1680.051407] ? vfs_fsync+0x210/0x210 [ 1680.055096] do_syscall_64+0x1d5/0x640 [ 1680.058962] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1680.064126] RIP: 0033:0x7f3c6be997c9 [ 1680.067824] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1680.075508] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 executing program [ 1680.082752] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1680.089996] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1680.097243] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1680.104489] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000035 [ 1680.127911] FAULT_INJECTION: forcing a failure. executing program [ 1680.127911] name failslab, interval 1, probability 0, space 0, times 0 [ 1680.128691] FAULT_INJECTION: forcing a failure. [ 1680.128691] name failslab, interval 1, probability 0, space 0, times 0 [ 1680.150736] FAULT_INJECTION: forcing a failure. [ 1680.150736] name failslab, interval 1, probability 0, space 0, times 0 [ 1680.150746] CPU: 0 PID: 12067 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1680.150751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1680.150754] Call Trace: [ 1680.150767] dump_stack+0x1b2/0x281 [ 1680.150779] should_fail.cold+0x10a/0x149 [ 1680.150790] should_failslab+0xd6/0x130 [ 1680.150801] kmem_cache_alloc+0x28e/0x3c0 [ 1680.150811] start_transaction+0x27c/0xf30 [ 1680.150824] ? vfs_fsync_range+0x260/0x260 [ 1680.150835] btrfs_attach_transaction_barrier+0x22/0x80 [ 1680.211444] btrfs_sync_fs+0xcd/0x430 [ 1680.215241] ? btrfs_freeze+0xb0/0xb0 [ 1680.219034] ? vfs_fsync_range+0x260/0x260 [ 1680.223252] sync_fs_one_sb+0xb1/0xe0 [ 1680.227037] iterate_supers+0x124/0x490 [ 1680.231002] sys_sync+0x9a/0x130 [ 1680.234347] ? vfs_fsync+0x210/0x210 [ 1680.238056] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1680.243080] ? vfs_fsync+0x210/0x210 [ 1680.246788] do_syscall_64+0x1d5/0x640 [ 1680.250754] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1680.255932] RIP: 0033:0x7f3c6be997c9 [ 1680.259634] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1680.267339] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1680.274600] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1680.281858] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1680.289119] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1680.296377] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000003d [ 1680.303639] CPU: 1 PID: 12079 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1680.311604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1680.320949] Call Trace: [ 1680.323535] dump_stack+0x1b2/0x281 [ 1680.327195] should_fail.cold+0x10a/0x149 [ 1680.331348] should_failslab+0xd6/0x130 [ 1680.335313] kmem_cache_alloc+0x28e/0x3c0 [ 1680.339453] start_transaction+0x27c/0xf30 [ 1680.343674] ? vfs_fsync_range+0x260/0x260 [ 1680.347889] btrfs_attach_transaction_barrier+0x22/0x80 [ 1680.353237] btrfs_sync_fs+0xcd/0x430 [ 1680.357024] ? btrfs_freeze+0xb0/0xb0 [ 1680.360808] ? vfs_fsync_range+0x260/0x260 [ 1680.365021] sync_fs_one_sb+0xb1/0xe0 [ 1680.368800] iterate_supers+0x124/0x490 [ 1680.372754] sys_sync+0x9a/0x130 [ 1680.376100] ? vfs_fsync+0x210/0x210 [ 1680.379802] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1680.384798] ? vfs_fsync+0x210/0x210 [ 1680.388489] do_syscall_64+0x1d5/0x640 [ 1680.392360] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1680.397542] RIP: 0033:0x7f3c6be997c9 [ 1680.401229] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1680.408913] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1680.416167] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1680.423430] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1680.430679] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1680.437932] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000054 [ 1680.445209] CPU: 0 PID: 12070 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1680.453181] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1680.462525] Call Trace: [ 1680.465103] dump_stack+0x1b2/0x281 [ 1680.468732] should_fail.cold+0x10a/0x149 [ 1680.472878] ? sync_fs_one_sb+0xb1/0xe0 [ 1680.476848] should_failslab+0xd6/0x130 [ 1680.480821] kmem_cache_alloc_node+0x54/0x410 [ 1680.485310] create_task_io_context+0x2a/0x3c0 [ 1680.489886] generic_make_request_checks+0x1350/0x19f0 [ 1680.495159] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1680.499581] ? flush_workqueue+0x129/0x1310 [ 1680.503883] ? flush_workqueue+0x49b/0x1310 [ 1680.508188] generic_make_request+0x67/0x850 [ 1680.512591] ? mempool_alloc+0x10e/0x2d0 [ 1680.516634] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1680.522061] ? blk_queue_exit+0x1d0/0x1d0 [ 1680.526198] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1680.531192] ? kmem_cache_alloc+0x35f/0x3c0 [ 1680.535495] submit_bio+0x234/0x390 [ 1680.539100] ? generic_make_request+0x850/0x850 [ 1680.543750] ? __lockdep_init_map+0x100/0x560 [ 1680.548222] ? __lockdep_init_map+0x100/0x560 [ 1680.552708] submit_bio_wait+0xe8/0x140 [ 1680.556677] ? submit_bio_wait_endio+0xb0/0xb0 [ 1680.561243] blkdev_issue_flush+0x218/0x320 [ 1680.565556] ext4_sync_fs+0x46f/0x7e0 [ 1680.569339] ? bdev_try_to_free_page+0x150/0x150 [ 1680.574071] ? iterate_supers+0xda/0x490 [ 1680.578112] ? bdev_try_to_free_page+0x150/0x150 [ 1680.582848] ? vfs_fsync_range+0x260/0x260 [ 1680.587062] sync_fs_one_sb+0xb1/0xe0 [ 1680.590841] iterate_supers+0x124/0x490 [ 1680.594793] sys_sync+0x9a/0x130 [ 1680.598136] ? vfs_fsync+0x210/0x210 [ 1680.601832] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1680.606824] ? vfs_fsync+0x210/0x210 [ 1680.610513] do_syscall_64+0x1d5/0x640 [ 1680.614379] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1680.619546] RIP: 0033:0x7f3c6be997c9 [ 1680.623232] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 executing program executing program [ 1680.630917] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1680.638165] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1680.645413] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1680.652665] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1680.659913] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000033 [ 1680.727621] FAULT_INJECTION: forcing a failure. [ 1680.727621] name failslab, interval 1, probability 0, space 0, times 0 [ 1680.728471] FAULT_INJECTION: forcing a failure. [ 1680.728471] name failslab, interval 1, probability 0, space 0, times 0 [ 1680.748279] CPU: 1 PID: 12092 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1680.758128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1680.767475] Call Trace: [ 1680.770053] dump_stack+0x1b2/0x281 [ 1680.773667] should_fail.cold+0x10a/0x149 [ 1680.777794] ? sync_fs_one_sb+0xb1/0xe0 [ 1680.781751] should_failslab+0xd6/0x130 [ 1680.785706] kmem_cache_alloc_node+0x54/0x410 [ 1680.790198] create_task_io_context+0x2a/0x3c0 [ 1680.794774] generic_make_request_checks+0x1350/0x19f0 [ 1680.800032] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1680.804421] ? flush_workqueue+0x129/0x1310 [ 1680.808722] ? flush_workqueue+0x49b/0x1310 [ 1680.813040] generic_make_request+0x67/0x850 [ 1680.817443] ? mempool_alloc+0x10e/0x2d0 [ 1680.821482] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1680.826908] ? blk_queue_exit+0x1d0/0x1d0 [ 1680.831035] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1680.836028] ? kmem_cache_alloc+0x35f/0x3c0 [ 1680.840336] submit_bio+0x234/0x390 [ 1680.843943] ? generic_make_request+0x850/0x850 [ 1680.848592] ? __lockdep_init_map+0x100/0x560 [ 1680.853064] ? __lockdep_init_map+0x100/0x560 [ 1680.857554] submit_bio_wait+0xe8/0x140 [ 1680.861506] ? submit_bio_wait_endio+0xb0/0xb0 [ 1680.866073] blkdev_issue_flush+0x218/0x320 [ 1680.870375] ext4_sync_fs+0x46f/0x7e0 [ 1680.874155] ? bdev_try_to_free_page+0x150/0x150 [ 1680.878897] ? iterate_supers+0xda/0x490 [ 1680.882936] ? bdev_try_to_free_page+0x150/0x150 [ 1680.887697] ? vfs_fsync_range+0x260/0x260 [ 1680.891909] sync_fs_one_sb+0xb1/0xe0 [ 1680.895691] iterate_supers+0x124/0x490 [ 1680.899647] sys_sync+0x9a/0x130 [ 1680.903007] ? vfs_fsync+0x210/0x210 [ 1680.906706] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1680.911703] ? vfs_fsync+0x210/0x210 [ 1680.915394] do_syscall_64+0x1d5/0x640 [ 1680.919268] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1680.924443] RIP: 0033:0x7f3c6be997c9 [ 1680.928133] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1680.935821] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1680.943069] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1680.950329] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1680.957578] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1680.964828] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000033 [ 1680.972197] CPU: 0 PID: 12080 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1680.980163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1680.989505] Call Trace: [ 1680.992080] dump_stack+0x1b2/0x281 [ 1680.995707] should_fail.cold+0x10a/0x149 [ 1680.999851] ? sync_fs_one_sb+0xb1/0xe0 [ 1681.003825] should_failslab+0xd6/0x130 [ 1681.007823] kmem_cache_alloc_node+0x54/0x410 [ 1681.012316] create_task_io_context+0x2a/0x3c0 [ 1681.016893] generic_make_request_checks+0x1350/0x19f0 [ 1681.022169] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1681.026593] ? flush_workqueue+0x129/0x1310 [ 1681.030920] ? flush_workqueue+0x49b/0x1310 [ 1681.035243] generic_make_request+0x67/0x850 [ 1681.039650] ? mempool_alloc+0x10e/0x2d0 [ 1681.043702] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1681.049147] ? blk_queue_exit+0x1d0/0x1d0 [ 1681.053288] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1681.058301] ? kmem_cache_alloc+0x35f/0x3c0 [ 1681.062622] submit_bio+0x234/0x390 [ 1681.065669] FAULT_INJECTION: forcing a failure. [ 1681.065669] name failslab, interval 1, probability 0, space 0, times 0 [ 1681.066237] ? generic_make_request+0x850/0x850 [ 1681.066246] ? __lockdep_init_map+0x100/0x560 [ 1681.066258] ? __lockdep_init_map+0x100/0x560 [ 1681.091005] submit_bio_wait+0xe8/0x140 [ 1681.094957] ? submit_bio_wait_endio+0xb0/0xb0 [ 1681.099524] blkdev_issue_flush+0x218/0x320 [ 1681.103826] ext4_sync_fs+0x46f/0x7e0 [ 1681.107604] ? bdev_try_to_free_page+0x150/0x150 [ 1681.112335] ? iterate_supers+0xda/0x490 [ 1681.116373] ? bdev_try_to_free_page+0x150/0x150 [ 1681.121112] ? vfs_fsync_range+0x260/0x260 [ 1681.125327] sync_fs_one_sb+0xb1/0xe0 [ 1681.129122] iterate_supers+0x124/0x490 [ 1681.133077] sys_sync+0x9a/0x130 [ 1681.136426] ? vfs_fsync+0x210/0x210 [ 1681.140129] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1681.145129] ? vfs_fsync+0x210/0x210 [ 1681.148822] do_syscall_64+0x1d5/0x640 [ 1681.152696] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1681.157861] RIP: 0033:0x7f3c6be997c9 [ 1681.161549] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1681.169236] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1681.176483] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1681.183736] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1681.190985] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1681.198235] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000033 [ 1681.210528] CPU: 1 PID: 12090 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1681.218493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1681.227831] Call Trace: [ 1681.230410] dump_stack+0x1b2/0x281 [ 1681.234038] should_fail.cold+0x10a/0x149 [ 1681.238177] ? sync_fs_one_sb+0xb1/0xe0 [ 1681.242145] should_failslab+0xd6/0x130 [ 1681.246111] kmem_cache_alloc_node+0x54/0x410 [ 1681.250609] create_task_io_context+0x2a/0x3c0 [ 1681.255188] generic_make_request_checks+0x1350/0x19f0 [ 1681.260461] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1681.264884] ? flush_workqueue+0x129/0x1310 [ 1681.269206] ? flush_workqueue+0x49b/0x1310 [ 1681.273514] generic_make_request+0x67/0x850 [ 1681.277907] ? mempool_alloc+0x10e/0x2d0 [ 1681.281949] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1681.287376] ? blk_queue_exit+0x1d0/0x1d0 [ 1681.291504] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1681.296499] ? kmem_cache_alloc+0x35f/0x3c0 [ 1681.300805] submit_bio+0x234/0x390 [ 1681.304412] ? generic_make_request+0x850/0x850 [ 1681.309060] ? __lockdep_init_map+0x100/0x560 [ 1681.313540] ? __lockdep_init_map+0x100/0x560 [ 1681.318037] submit_bio_wait+0xe8/0x140 [ 1681.321991] ? submit_bio_wait_endio+0xb0/0xb0 [ 1681.326561] blkdev_issue_flush+0x218/0x320 [ 1681.330861] ext4_sync_fs+0x46f/0x7e0 [ 1681.334642] ? bdev_try_to_free_page+0x150/0x150 [ 1681.339376] ? iterate_supers+0xda/0x490 [ 1681.343430] ? bdev_try_to_free_page+0x150/0x150 [ 1681.348166] ? vfs_fsync_range+0x260/0x260 [ 1681.352377] sync_fs_one_sb+0xb1/0xe0 [ 1681.356160] iterate_supers+0x124/0x490 [ 1681.360115] sys_sync+0x9a/0x130 [ 1681.363460] ? vfs_fsync+0x210/0x210 [ 1681.367164] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1681.372168] ? vfs_fsync+0x210/0x210 [ 1681.375860] do_syscall_64+0x1d5/0x640 [ 1681.379733] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1681.384914] RIP: 0033:0x7f3c6be997c9 [ 1681.388604] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1681.396291] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1681.403546] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1681.410796] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1681.418049] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 executing program executing program [ 1681.425306] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000003e [ 1681.509372] FAULT_INJECTION: forcing a failure. [ 1681.509372] name failslab, interval 1, probability 0, space 0, times 0 [ 1681.509446] FAULT_INJECTION: forcing a failure. [ 1681.509446] name failslab, interval 1, probability 0, space 0, times 0 [ 1681.531879] CPU: 1 PID: 12108 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1681.539843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1681.549188] Call Trace: [ 1681.551772] dump_stack+0x1b2/0x281 [ 1681.555397] should_fail.cold+0x10a/0x149 [ 1681.559538] ? sync_fs_one_sb+0xb1/0xe0 [ 1681.563508] should_failslab+0xd6/0x130 [ 1681.567488] kmem_cache_alloc_node+0x54/0x410 [ 1681.571983] create_task_io_context+0x2a/0x3c0 [ 1681.576559] generic_make_request_checks+0x1350/0x19f0 [ 1681.581826] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1681.586226] ? flush_workqueue+0x129/0x1310 [ 1681.590531] ? flush_workqueue+0x49b/0x1310 [ 1681.594847] generic_make_request+0x67/0x850 [ 1681.599264] ? mempool_alloc+0x10e/0x2d0 [ 1681.603305] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1681.608734] ? blk_queue_exit+0x1d0/0x1d0 [ 1681.612866] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1681.617861] ? kmem_cache_alloc+0x35f/0x3c0 [ 1681.622167] submit_bio+0x234/0x390 [ 1681.625775] ? generic_make_request+0x850/0x850 [ 1681.630431] ? __lockdep_init_map+0x100/0x560 [ 1681.634925] ? __lockdep_init_map+0x100/0x560 [ 1681.639402] submit_bio_wait+0xe8/0x140 [ 1681.643360] ? submit_bio_wait_endio+0xb0/0xb0 [ 1681.647934] blkdev_issue_flush+0x218/0x320 [ 1681.652243] ext4_sync_fs+0x46f/0x7e0 [ 1681.656030] ? bdev_try_to_free_page+0x150/0x150 [ 1681.660770] ? iterate_supers+0xda/0x490 [ 1681.664811] ? bdev_try_to_free_page+0x150/0x150 [ 1681.669545] ? vfs_fsync_range+0x260/0x260 [ 1681.673761] sync_fs_one_sb+0xb1/0xe0 [ 1681.677542] iterate_supers+0x124/0x490 [ 1681.681495] sys_sync+0x9a/0x130 [ 1681.684839] ? vfs_fsync+0x210/0x210 [ 1681.688535] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1681.693528] ? vfs_fsync+0x210/0x210 [ 1681.697221] do_syscall_64+0x1d5/0x640 [ 1681.701092] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1681.706260] RIP: 0033:0x7f3c6be997c9 [ 1681.709961] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1681.717659] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1681.724909] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1681.732158] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1681.739407] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1681.746659] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000055 executing program [ 1681.753923] CPU: 0 PID: 12106 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1681.761886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1681.771226] Call Trace: [ 1681.773797] dump_stack+0x1b2/0x281 [ 1681.777406] should_fail.cold+0x10a/0x149 [ 1681.781532] ? sync_fs_one_sb+0xb1/0xe0 [ 1681.785485] should_failslab+0xd6/0x130 [ 1681.789447] kmem_cache_alloc_node+0x54/0x410 [ 1681.793936] create_task_io_context+0x2a/0x3c0 [ 1681.798508] generic_make_request_checks+0x1350/0x19f0 [ 1681.803780] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1681.808170] ? flush_workqueue+0x129/0x1310 [ 1681.812472] ? flush_workqueue+0x49b/0x1310 [ 1681.816778] generic_make_request+0x67/0x850 [ 1681.821187] ? mempool_alloc+0x10e/0x2d0 [ 1681.825232] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1681.830661] ? blk_queue_exit+0x1d0/0x1d0 [ 1681.834794] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1681.839792] ? kmem_cache_alloc+0x35f/0x3c0 [ 1681.844101] submit_bio+0x234/0x390 [ 1681.847728] ? generic_make_request+0x850/0x850 [ 1681.852393] ? __lockdep_init_map+0x100/0x560 [ 1681.856866] ? __lockdep_init_map+0x100/0x560 [ 1681.861343] submit_bio_wait+0xe8/0x140 [ 1681.865296] ? submit_bio_wait_endio+0xb0/0xb0 [ 1681.869861] blkdev_issue_flush+0x218/0x320 [ 1681.874165] ext4_sync_fs+0x46f/0x7e0 [ 1681.877942] ? bdev_try_to_free_page+0x150/0x150 [ 1681.882676] ? iterate_supers+0xda/0x490 [ 1681.886719] ? bdev_try_to_free_page+0x150/0x150 [ 1681.891453] ? vfs_fsync_range+0x260/0x260 [ 1681.895665] sync_fs_one_sb+0xb1/0xe0 [ 1681.899447] iterate_supers+0x124/0x490 [ 1681.903400] sys_sync+0x9a/0x130 [ 1681.906743] ? vfs_fsync+0x210/0x210 [ 1681.910436] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1681.915427] ? vfs_fsync+0x210/0x210 [ 1681.919117] do_syscall_64+0x1d5/0x640 [ 1681.922985] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1681.928326] RIP: 0033:0x7f3c6be997c9 [ 1681.932013] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1681.939700] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1681.946947] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1681.954193] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 executing program [ 1681.961457] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1681.968707] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000036 [ 1681.997663] FAULT_INJECTION: forcing a failure. [ 1681.997663] name failslab, interval 1, probability 0, space 0, times 0 [ 1682.033892] CPU: 1 PID: 12113 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1682.041875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1682.051221] Call Trace: [ 1682.053801] dump_stack+0x1b2/0x281 [ 1682.057423] should_fail.cold+0x10a/0x149 [ 1682.061565] ? sync_fs_one_sb+0xb1/0xe0 [ 1682.065532] should_failslab+0xd6/0x130 [ 1682.069503] kmem_cache_alloc_node+0x54/0x410 [ 1682.073998] create_task_io_context+0x2a/0x3c0 [ 1682.078585] generic_make_request_checks+0x1350/0x19f0 [ 1682.083859] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1682.088258] ? flush_workqueue+0x129/0x1310 [ 1682.092557] ? flush_workqueue+0x49b/0x1310 [ 1682.096857] generic_make_request+0x67/0x850 [ 1682.101245] ? mempool_alloc+0x10e/0x2d0 [ 1682.105285] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1682.110718] ? blk_queue_exit+0x1d0/0x1d0 [ 1682.114844] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1682.119960] ? kmem_cache_alloc+0x35f/0x3c0 [ 1682.124264] submit_bio+0x234/0x390 [ 1682.127870] ? generic_make_request+0x850/0x850 [ 1682.132513] ? __lockdep_init_map+0x100/0x560 [ 1682.136982] ? __lockdep_init_map+0x100/0x560 [ 1682.141471] submit_bio_wait+0xe8/0x140 [ 1682.145439] ? submit_bio_wait_endio+0xb0/0xb0 [ 1682.150004] blkdev_issue_flush+0x218/0x320 [ 1682.154303] ext4_sync_fs+0x46f/0x7e0 [ 1682.158080] ? bdev_try_to_free_page+0x150/0x150 [ 1682.162809] ? iterate_supers+0xda/0x490 [ 1682.166853] ? bdev_try_to_free_page+0x150/0x150 [ 1682.171587] ? vfs_fsync_range+0x260/0x260 [ 1682.175806] sync_fs_one_sb+0xb1/0xe0 [ 1682.179592] iterate_supers+0x124/0x490 [ 1682.183564] sys_sync+0x9a/0x130 [ 1682.186907] ? vfs_fsync+0x210/0x210 [ 1682.190661] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1682.195661] ? vfs_fsync+0x210/0x210 [ 1682.199349] do_syscall_64+0x1d5/0x640 [ 1682.203230] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1682.208408] RIP: 0033:0x7f3c6be997c9 [ 1682.212096] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1682.219781] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1682.227035] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 executing program [ 1682.234290] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1682.241552] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1682.248797] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000003f [ 1682.269598] FAULT_INJECTION: forcing a failure. [ 1682.269598] name failslab, interval 1, probability 0, space 0, times 0 executing program [ 1682.287420] FAULT_INJECTION: forcing a failure. [ 1682.287420] name failslab, interval 1, probability 0, space 0, times 0 [ 1682.301438] CPU: 1 PID: 12125 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1682.309405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1682.318747] Call Trace: [ 1682.321325] dump_stack+0x1b2/0x281 [ 1682.324943] should_fail.cold+0x10a/0x149 [ 1682.329084] ? sync_fs_one_sb+0xb1/0xe0 [ 1682.333053] should_failslab+0xd6/0x130 [ 1682.337024] kmem_cache_alloc_node+0x54/0x410 [ 1682.341511] create_task_io_context+0x2a/0x3c0 [ 1682.346083] generic_make_request_checks+0x1350/0x19f0 [ 1682.351357] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1682.355761] ? flush_workqueue+0x129/0x1310 [ 1682.360076] ? trace_hardirqs_on+0x10/0x10 [ 1682.364302] generic_make_request+0x67/0x850 [ 1682.368705] ? mempool_alloc+0x10e/0x2d0 [ 1682.372755] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1682.378195] ? blk_queue_exit+0x1d0/0x1d0 [ 1682.382327] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1682.387328] ? kmem_cache_alloc+0x35f/0x3c0 [ 1682.391645] submit_bio+0x234/0x390 [ 1682.395266] ? generic_make_request+0x850/0x850 [ 1682.399930] ? __lockdep_init_map+0x100/0x560 [ 1682.404418] ? __lockdep_init_map+0x100/0x560 [ 1682.408911] submit_bio_wait+0xe8/0x140 [ 1682.412882] ? submit_bio_wait_endio+0xb0/0xb0 [ 1682.417456] blkdev_issue_flush+0x218/0x320 [ 1682.421760] ext4_sync_fs+0x46f/0x7e0 [ 1682.425543] ? bdev_try_to_free_page+0x150/0x150 [ 1682.430303] ? iterate_supers+0xda/0x490 [ 1682.434347] ? bdev_try_to_free_page+0x150/0x150 [ 1682.439083] ? vfs_fsync_range+0x260/0x260 [ 1682.443299] sync_fs_one_sb+0xb1/0xe0 [ 1682.447078] iterate_supers+0x124/0x490 [ 1682.451033] sys_sync+0x9a/0x130 [ 1682.454375] ? vfs_fsync+0x210/0x210 [ 1682.458069] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1682.463060] ? vfs_fsync+0x210/0x210 [ 1682.466753] do_syscall_64+0x1d5/0x640 [ 1682.470630] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1682.475795] RIP: 0033:0x7f3c6be997c9 [ 1682.479486] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 executing program [ 1682.487172] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1682.494418] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1682.501667] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1682.508915] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1682.516163] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000034 [ 1682.523420] CPU: 0 PID: 12118 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1682.531384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1682.540726] Call Trace: [ 1682.543306] dump_stack+0x1b2/0x281 [ 1682.546932] should_fail.cold+0x10a/0x149 [ 1682.551070] ? sync_fs_one_sb+0xb1/0xe0 [ 1682.555037] should_failslab+0xd6/0x130 [ 1682.559005] kmem_cache_alloc_node+0x54/0x410 [ 1682.563495] create_task_io_context+0x2a/0x3c0 [ 1682.568069] generic_make_request_checks+0x1350/0x19f0 [ 1682.573341] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1682.577738] ? flush_workqueue+0x129/0x1310 [ 1682.582049] ? flush_workqueue+0x49b/0x1310 [ 1682.586360] generic_make_request+0x67/0x850 [ 1682.590748] ? mempool_alloc+0x10e/0x2d0 [ 1682.594786] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1682.600230] ? blk_queue_exit+0x1d0/0x1d0 [ 1682.604354] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1682.609344] ? kmem_cache_alloc+0x35f/0x3c0 [ 1682.613664] submit_bio+0x234/0x390 [ 1682.617275] ? generic_make_request+0x850/0x850 [ 1682.621943] ? __lockdep_init_map+0x100/0x560 [ 1682.626427] ? __lockdep_init_map+0x100/0x560 [ 1682.630919] submit_bio_wait+0xe8/0x140 [ 1682.634866] ? submit_bio_wait_endio+0xb0/0xb0 [ 1682.639429] blkdev_issue_flush+0x218/0x320 [ 1682.643727] ext4_sync_fs+0x46f/0x7e0 [ 1682.647512] ? bdev_try_to_free_page+0x150/0x150 [ 1682.652249] ? iterate_supers+0xda/0x490 [ 1682.656285] ? bdev_try_to_free_page+0x150/0x150 [ 1682.661035] ? vfs_fsync_range+0x260/0x260 [ 1682.665245] sync_fs_one_sb+0xb1/0xe0 [ 1682.669023] iterate_supers+0x124/0x490 [ 1682.672993] sys_sync+0x9a/0x130 [ 1682.676350] ? vfs_fsync+0x210/0x210 [ 1682.680052] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1682.685048] ? vfs_fsync+0x210/0x210 [ 1682.688736] do_syscall_64+0x1d5/0x640 [ 1682.692602] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1682.697774] RIP: 0033:0x7f3c6be997c9 [ 1682.701467] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1682.709148] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1682.716392] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1682.723658] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1682.730904] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 executing program [ 1682.738148] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000034 [ 1682.767174] FAULT_INJECTION: forcing a failure. [ 1682.767174] name failslab, interval 1, probability 0, space 0, times 0 [ 1682.780021] FAULT_INJECTION: forcing a failure. [ 1682.780021] name failslab, interval 1, probability 0, space 0, times 0 [ 1682.792879] CPU: 0 PID: 12130 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1682.800849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1682.810195] Call Trace: [ 1682.812765] dump_stack+0x1b2/0x281 [ 1682.816374] should_fail.cold+0x10a/0x149 [ 1682.820508] should_failslab+0xd6/0x130 [ 1682.824463] kmem_cache_alloc+0x28e/0x3c0 [ 1682.828594] start_transaction+0x27c/0xf30 [ 1682.832812] ? vfs_fsync_range+0x260/0x260 [ 1682.837024] btrfs_attach_transaction_barrier+0x22/0x80 [ 1682.842371] btrfs_sync_fs+0xcd/0x430 [ 1682.846149] ? btrfs_freeze+0xb0/0xb0 [ 1682.849927] ? vfs_fsync_range+0x260/0x260 [ 1682.854137] sync_fs_one_sb+0xb1/0xe0 [ 1682.857919] iterate_supers+0x124/0x490 [ 1682.861873] sys_sync+0x9a/0x130 [ 1682.865217] ? vfs_fsync+0x210/0x210 [ 1682.868919] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1682.873926] ? vfs_fsync+0x210/0x210 [ 1682.877644] do_syscall_64+0x1d5/0x640 [ 1682.881545] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1682.886715] RIP: 0033:0x7f3c6be997c9 [ 1682.890411] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1682.898099] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1682.905347] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1682.912599] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1682.919846] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1682.927093] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000034 [ 1682.934356] CPU: 1 PID: 12128 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1682.942320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1682.951662] Call Trace: [ 1682.954253] dump_stack+0x1b2/0x281 [ 1682.957880] should_fail.cold+0x10a/0x149 [ 1682.962017] ? sync_fs_one_sb+0xb1/0xe0 [ 1682.965971] should_failslab+0xd6/0x130 [ 1682.969927] kmem_cache_alloc_node+0x54/0x410 [ 1682.974404] create_task_io_context+0x2a/0x3c0 [ 1682.978965] generic_make_request_checks+0x1350/0x19f0 [ 1682.984221] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1682.988623] ? flush_workqueue+0x129/0x1310 [ 1682.992921] ? flush_workqueue+0x49b/0x1310 [ 1682.997222] generic_make_request+0x67/0x850 [ 1683.001609] ? mempool_alloc+0x10e/0x2d0 [ 1683.005663] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1683.011097] ? blk_queue_exit+0x1d0/0x1d0 [ 1683.015223] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1683.020218] ? kmem_cache_alloc+0x35f/0x3c0 [ 1683.024521] submit_bio+0x234/0x390 [ 1683.028129] ? generic_make_request+0x850/0x850 [ 1683.032777] ? __lockdep_init_map+0x100/0x560 [ 1683.037249] ? __lockdep_init_map+0x100/0x560 [ 1683.041724] submit_bio_wait+0xe8/0x140 [ 1683.045675] ? submit_bio_wait_endio+0xb0/0xb0 [ 1683.050242] blkdev_issue_flush+0x218/0x320 [ 1683.054561] ext4_sync_fs+0x46f/0x7e0 [ 1683.058346] ? bdev_try_to_free_page+0x150/0x150 [ 1683.063083] ? iterate_supers+0xda/0x490 [ 1683.067121] ? bdev_try_to_free_page+0x150/0x150 [ 1683.071872] ? vfs_fsync_range+0x260/0x260 [ 1683.076097] sync_fs_one_sb+0xb1/0xe0 [ 1683.079878] iterate_supers+0x124/0x490 [ 1683.083833] sys_sync+0x9a/0x130 [ 1683.087176] ? vfs_fsync+0x210/0x210 [ 1683.090872] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1683.095867] ? vfs_fsync+0x210/0x210 [ 1683.099579] do_syscall_64+0x1d5/0x640 [ 1683.103451] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1683.108636] RIP: 0033:0x7f3c6be997c9 [ 1683.112330] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1683.120031] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1683.127280] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 executing program [ 1683.134533] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1683.141785] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1683.149036] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000040 executing program [ 1683.257249] FAULT_INJECTION: forcing a failure. [ 1683.257249] name failslab, interval 1, probability 0, space 0, times 0 [ 1683.268840] FAULT_INJECTION: forcing a failure. [ 1683.268840] name failslab, interval 1, probability 0, space 0, times 0 [ 1683.269229] FAULT_INJECTION: forcing a failure. [ 1683.269229] name failslab, interval 1, probability 0, space 0, times 0 [ 1683.293419] CPU: 0 PID: 12140 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1683.301383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1683.310722] Call Trace: [ 1683.313304] dump_stack+0x1b2/0x281 [ 1683.316928] should_fail.cold+0x10a/0x149 [ 1683.321062] ? sync_fs_one_sb+0xb1/0xe0 [ 1683.325027] should_failslab+0xd6/0x130 [ 1683.328995] kmem_cache_alloc_node+0x54/0x410 [ 1683.333491] create_task_io_context+0x2a/0x3c0 [ 1683.338069] generic_make_request_checks+0x1350/0x19f0 [ 1683.343344] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1683.347842] ? flush_workqueue+0x129/0x1310 [ 1683.352156] ? flush_workqueue+0x49b/0x1310 [ 1683.356730] generic_make_request+0x67/0x850 [ 1683.361132] ? mempool_alloc+0x10e/0x2d0 [ 1683.365174] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1683.370616] ? blk_queue_exit+0x1d0/0x1d0 [ 1683.374747] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1683.379745] ? kmem_cache_alloc+0x35f/0x3c0 [ 1683.384080] submit_bio+0x234/0x390 [ 1683.387691] ? generic_make_request+0x850/0x850 [ 1683.392343] ? __lockdep_init_map+0x100/0x560 [ 1683.396821] ? __lockdep_init_map+0x100/0x560 [ 1683.401303] submit_bio_wait+0xe8/0x140 [ 1683.405264] ? submit_bio_wait_endio+0xb0/0xb0 [ 1683.409837] blkdev_issue_flush+0x218/0x320 [ 1683.414141] ext4_sync_fs+0x46f/0x7e0 [ 1683.417926] ? bdev_try_to_free_page+0x150/0x150 [ 1683.422661] ? iterate_supers+0xda/0x490 [ 1683.426706] ? bdev_try_to_free_page+0x150/0x150 [ 1683.431449] ? vfs_fsync_range+0x260/0x260 [ 1683.435667] sync_fs_one_sb+0xb1/0xe0 [ 1683.439456] iterate_supers+0x124/0x490 [ 1683.443417] sys_sync+0x9a/0x130 [ 1683.446768] ? vfs_fsync+0x210/0x210 [ 1683.450474] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1683.455473] ? vfs_fsync+0x210/0x210 [ 1683.459167] do_syscall_64+0x1d5/0x640 [ 1683.463038] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1683.468220] RIP: 0033:0x7f3c6be997c9 [ 1683.471915] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1683.479602] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1683.486852] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1683.494104] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1683.501353] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1683.508605] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000056 [ 1683.515870] CPU: 1 PID: 12149 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1683.523838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1683.533174] Call Trace: [ 1683.535742] dump_stack+0x1b2/0x281 [ 1683.539356] should_fail.cold+0x10a/0x149 [ 1683.543488] ? sync_fs_one_sb+0xb1/0xe0 [ 1683.547443] should_failslab+0xd6/0x130 [ 1683.551400] kmem_cache_alloc_node+0x54/0x410 [ 1683.555876] create_task_io_context+0x2a/0x3c0 [ 1683.560440] generic_make_request_checks+0x1350/0x19f0 [ 1683.565697] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1683.570085] ? flush_workqueue+0x129/0x1310 [ 1683.574403] ? flush_workqueue+0x49b/0x1310 [ 1683.578715] generic_make_request+0x67/0x850 [ 1683.583108] ? mempool_alloc+0x10e/0x2d0 [ 1683.587148] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1683.592581] ? blk_queue_exit+0x1d0/0x1d0 [ 1683.596728] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1683.601722] ? kmem_cache_alloc+0x35f/0x3c0 [ 1683.606022] submit_bio+0x234/0x390 [ 1683.609629] ? generic_make_request+0x850/0x850 [ 1683.614273] ? __lockdep_init_map+0x100/0x560 [ 1683.618746] ? __lockdep_init_map+0x100/0x560 [ 1683.623222] submit_bio_wait+0xe8/0x140 [ 1683.627190] ? submit_bio_wait_endio+0xb0/0xb0 [ 1683.631764] blkdev_issue_flush+0x218/0x320 [ 1683.636081] ext4_sync_fs+0x46f/0x7e0 [ 1683.639873] ? bdev_try_to_free_page+0x150/0x150 [ 1683.644608] ? iterate_supers+0xda/0x490 [ 1683.648650] ? bdev_try_to_free_page+0x150/0x150 [ 1683.653819] ? vfs_fsync_range+0x260/0x260 [ 1683.658044] sync_fs_one_sb+0xb1/0xe0 [ 1683.661828] iterate_supers+0x124/0x490 [ 1683.665780] sys_sync+0x9a/0x130 [ 1683.669125] ? vfs_fsync+0x210/0x210 [ 1683.672829] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1683.677827] ? vfs_fsync+0x210/0x210 [ 1683.681529] do_syscall_64+0x1d5/0x640 [ 1683.685398] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1683.690569] RIP: 0033:0x7f3c6be997c9 [ 1683.694257] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1683.701946] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1683.709194] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1683.716443] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1683.723691] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1683.730938] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000037 [ 1683.744612] CPU: 1 PID: 12153 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1683.752584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1683.761928] Call Trace: [ 1683.764513] dump_stack+0x1b2/0x281 [ 1683.768135] should_fail.cold+0x10a/0x149 [ 1683.772277] ? sync_fs_one_sb+0xb1/0xe0 [ 1683.776250] should_failslab+0xd6/0x130 [ 1683.780216] kmem_cache_alloc_node+0x54/0x410 [ 1683.784706] create_task_io_context+0x2a/0x3c0 [ 1683.789283] generic_make_request_checks+0x1350/0x19f0 [ 1683.794559] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1683.798958] ? flush_workqueue+0x129/0x1310 [ 1683.803267] ? flush_workqueue+0x49b/0x1310 [ 1683.807584] generic_make_request+0x67/0x850 [ 1683.811984] ? mempool_alloc+0x10e/0x2d0 [ 1683.816037] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1683.821477] ? blk_queue_exit+0x1d0/0x1d0 [ 1683.825620] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1683.830624] ? kmem_cache_alloc+0x35f/0x3c0 [ 1683.834923] submit_bio+0x234/0x390 [ 1683.838529] ? generic_make_request+0x850/0x850 [ 1683.843195] ? __lockdep_init_map+0x100/0x560 [ 1683.847667] ? __lockdep_init_map+0x100/0x560 [ 1683.852138] submit_bio_wait+0xe8/0x140 [ 1683.856085] ? submit_bio_wait_endio+0xb0/0xb0 [ 1683.860648] blkdev_issue_flush+0x218/0x320 [ 1683.864946] ext4_sync_fs+0x46f/0x7e0 [ 1683.868722] ? bdev_try_to_free_page+0x150/0x150 [ 1683.873451] ? iterate_supers+0xda/0x490 [ 1683.877486] ? bdev_try_to_free_page+0x150/0x150 [ 1683.882225] ? vfs_fsync_range+0x260/0x260 [ 1683.886457] sync_fs_one_sb+0xb1/0xe0 [ 1683.890235] iterate_supers+0x124/0x490 [ 1683.894189] sys_sync+0x9a/0x130 [ 1683.897531] ? vfs_fsync+0x210/0x210 [ 1683.901238] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1683.906228] ? vfs_fsync+0x210/0x210 [ 1683.909918] do_syscall_64+0x1d5/0x640 [ 1683.913781] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1683.918944] RIP: 0033:0x7f3c6be997c9 [ 1683.922631] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1683.930315] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1683.937558] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1683.944800] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1683.952060] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 executing program executing program executing program executing program [ 1683.959304] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000041 [ 1684.019901] FAULT_INJECTION: forcing a failure. [ 1684.019901] name failslab, interval 1, probability 0, space 0, times 0 [ 1684.020014] FAULT_INJECTION: forcing a failure. [ 1684.020014] name failslab, interval 1, probability 0, space 0, times 0 [ 1684.031791] FAULT_INJECTION: forcing a failure. [ 1684.031791] name failslab, interval 1, probability 0, space 0, times 0 [ 1684.068012] CPU: 1 PID: 12168 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1684.075986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1684.085326] Call Trace: [ 1684.087905] dump_stack+0x1b2/0x281 [ 1684.091533] should_fail.cold+0x10a/0x149 [ 1684.095675] ? sync_fs_one_sb+0xb1/0xe0 [ 1684.099647] should_failslab+0xd6/0x130 [ 1684.103619] kmem_cache_alloc_node+0x54/0x410 [ 1684.108106] create_task_io_context+0x2a/0x3c0 [ 1684.112670] generic_make_request_checks+0x1350/0x19f0 [ 1684.117936] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1684.122338] ? flush_workqueue+0x129/0x1310 [ 1684.126655] ? flush_workqueue+0x49b/0x1310 [ 1684.130968] generic_make_request+0x67/0x850 [ 1684.135358] ? mempool_alloc+0x10e/0x2d0 [ 1684.139409] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1684.144836] ? blk_queue_exit+0x1d0/0x1d0 [ 1684.148963] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1684.153961] ? kmem_cache_alloc+0x35f/0x3c0 [ 1684.158263] submit_bio+0x234/0x390 [ 1684.161872] ? generic_make_request+0x850/0x850 [ 1684.166524] ? __lockdep_init_map+0x100/0x560 [ 1684.171004] ? __lockdep_init_map+0x100/0x560 [ 1684.175498] submit_bio_wait+0xe8/0x140 [ 1684.179452] ? submit_bio_wait_endio+0xb0/0xb0 [ 1684.184018] blkdev_issue_flush+0x218/0x320 [ 1684.188333] ext4_sync_fs+0x46f/0x7e0 [ 1684.192114] ? bdev_try_to_free_page+0x150/0x150 [ 1684.196845] ? iterate_supers+0xda/0x490 [ 1684.200890] ? bdev_try_to_free_page+0x150/0x150 [ 1684.205637] ? vfs_fsync_range+0x260/0x260 [ 1684.209866] sync_fs_one_sb+0xb1/0xe0 [ 1684.213652] iterate_supers+0x124/0x490 [ 1684.217610] sys_sync+0x9a/0x130 [ 1684.220956] ? vfs_fsync+0x210/0x210 [ 1684.224650] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1684.229647] ? vfs_fsync+0x210/0x210 [ 1684.233340] do_syscall_64+0x1d5/0x640 [ 1684.237213] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1684.242402] RIP: 0033:0x7f3c6be997c9 [ 1684.246093] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1684.253781] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1684.261047] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1684.268298] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1684.275555] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1684.282807] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000035 [ 1684.290065] CPU: 0 PID: 12166 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1684.298038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1684.307384] Call Trace: [ 1684.309962] dump_stack+0x1b2/0x281 [ 1684.313574] should_fail.cold+0x10a/0x149 [ 1684.317706] ? sync_fs_one_sb+0xb1/0xe0 [ 1684.321664] should_failslab+0xd6/0x130 [ 1684.325648] kmem_cache_alloc_node+0x54/0x410 [ 1684.330135] create_task_io_context+0x2a/0x3c0 [ 1684.334708] generic_make_request_checks+0x1350/0x19f0 [ 1684.339968] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1684.344358] ? flush_workqueue+0x129/0x1310 [ 1684.348658] ? flush_workqueue+0x49b/0x1310 [ 1684.352961] generic_make_request+0x67/0x850 [ 1684.357355] ? mempool_alloc+0x10e/0x2d0 [ 1684.361400] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1684.366855] ? blk_queue_exit+0x1d0/0x1d0 [ 1684.370992] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1684.375992] ? kmem_cache_alloc+0x35f/0x3c0 [ 1684.380299] submit_bio+0x234/0x390 [ 1684.383911] ? generic_make_request+0x850/0x850 [ 1684.388565] ? __lockdep_init_map+0x100/0x560 [ 1684.393037] ? __lockdep_init_map+0x100/0x560 [ 1684.397520] submit_bio_wait+0xe8/0x140 [ 1684.401484] ? submit_bio_wait_endio+0xb0/0xb0 [ 1684.406057] blkdev_issue_flush+0x218/0x320 [ 1684.410366] ext4_sync_fs+0x46f/0x7e0 [ 1684.414156] ? bdev_try_to_free_page+0x150/0x150 [ 1684.418893] ? iterate_supers+0xda/0x490 [ 1684.422945] ? bdev_try_to_free_page+0x150/0x150 [ 1684.427681] ? vfs_fsync_range+0x260/0x260 [ 1684.431896] sync_fs_one_sb+0xb1/0xe0 [ 1684.435676] iterate_supers+0x124/0x490 [ 1684.439631] sys_sync+0x9a/0x130 [ 1684.442975] ? vfs_fsync+0x210/0x210 [ 1684.446684] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1684.451688] ? vfs_fsync+0x210/0x210 [ 1684.455389] do_syscall_64+0x1d5/0x640 [ 1684.459269] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1684.464448] RIP: 0033:0x7f3c6be997c9 [ 1684.468141] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1684.475832] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1684.483082] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1684.490338] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1684.497594] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1684.504846] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000042 [ 1684.512106] CPU: 1 PID: 12167 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1684.520072] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1684.529450] Call Trace: [ 1684.532033] dump_stack+0x1b2/0x281 [ 1684.535653] should_fail.cold+0x10a/0x149 [ 1684.539805] should_failslab+0xd6/0x130 [ 1684.543774] kmem_cache_alloc+0x28e/0x3c0 [ 1684.547917] start_transaction+0x27c/0xf30 [ 1684.552153] ? vfs_fsync_range+0x260/0x260 [ 1684.556380] btrfs_attach_transaction_barrier+0x22/0x80 [ 1684.561738] btrfs_sync_fs+0xcd/0x430 [ 1684.565527] ? btrfs_freeze+0xb0/0xb0 [ 1684.569310] ? vfs_fsync_range+0x260/0x260 [ 1684.573532] sync_fs_one_sb+0xb1/0xe0 [ 1684.577337] iterate_supers+0x124/0x490 [ 1684.581296] sys_sync+0x9a/0x130 [ 1684.584649] ? vfs_fsync+0x210/0x210 [ 1684.588341] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1684.593336] ? vfs_fsync+0x210/0x210 [ 1684.597032] do_syscall_64+0x1d5/0x640 [ 1684.600902] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1684.606068] RIP: 0033:0x7f3c6be997c9 [ 1684.609754] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1684.617436] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1684.624687] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1684.631938] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1684.639200] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1684.646454] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000035 [ 1684.687718] FAULT_INJECTION: forcing a failure. [ 1684.687718] name failslab, interval 1, probability 0, space 0, times 0 [ 1684.699355] CPU: 0 PID: 12169 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1684.707314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1684.716647] Call Trace: [ 1684.719225] dump_stack+0x1b2/0x281 [ 1684.722856] should_fail.cold+0x10a/0x149 [ 1684.726983] should_failslab+0xd6/0x130 [ 1684.730933] kmem_cache_alloc+0x28e/0x3c0 [ 1684.735056] start_transaction+0x27c/0xf30 [ 1684.739280] ? vfs_fsync_range+0x260/0x260 [ 1684.743503] btrfs_attach_transaction_barrier+0x22/0x80 [ 1684.748842] btrfs_sync_fs+0xcd/0x430 [ 1684.752620] ? btrfs_freeze+0xb0/0xb0 [ 1684.756403] ? vfs_fsync_range+0x260/0x260 [ 1684.760614] sync_fs_one_sb+0xb1/0xe0 [ 1684.764440] iterate_supers+0x124/0x490 [ 1684.768394] sys_sync+0x9a/0x130 [ 1684.771734] ? vfs_fsync+0x210/0x210 [ 1684.775423] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1684.780414] ? vfs_fsync+0x210/0x210 [ 1684.784106] do_syscall_64+0x1d5/0x640 [ 1684.787973] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1684.793136] RIP: 0033:0x7f3c6be997c9 [ 1684.796823] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1684.804514] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1684.811758] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1684.819006] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1684.826275] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 executing program executing program [ 1684.833519] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000035 executing program [ 1684.947244] FAULT_INJECTION: forcing a failure. [ 1684.947244] name failslab, interval 1, probability 0, space 0, times 0 [ 1684.949309] FAULT_INJECTION: forcing a failure. [ 1684.949309] name failslab, interval 1, probability 0, space 0, times 0 [ 1684.962426] CPU: 0 PID: 12185 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1684.970219] FAULT_INJECTION: forcing a failure. [ 1684.970219] name failslab, interval 1, probability 0, space 0, times 0 [ 1684.977802] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1684.977806] Call Trace: [ 1684.977823] dump_stack+0x1b2/0x281 [ 1684.977835] should_fail.cold+0x10a/0x149 [ 1684.977844] ? sync_fs_one_sb+0xb1/0xe0 [ 1684.977853] should_failslab+0xd6/0x130 [ 1684.977863] kmem_cache_alloc_node+0x54/0x410 [ 1684.977875] create_task_io_context+0x2a/0x3c0 [ 1685.025637] generic_make_request_checks+0x1350/0x19f0 [ 1685.030898] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1685.035287] ? flush_workqueue+0x129/0x1310 [ 1685.039600] ? flush_workqueue+0x49b/0x1310 [ 1685.043907] generic_make_request+0x67/0x850 [ 1685.048296] ? mempool_alloc+0x10e/0x2d0 [ 1685.052338] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1685.057770] ? blk_queue_exit+0x1d0/0x1d0 [ 1685.061898] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1685.066895] ? kmem_cache_alloc+0x35f/0x3c0 [ 1685.071199] submit_bio+0x234/0x390 [ 1685.074805] ? generic_make_request+0x850/0x850 [ 1685.079461] ? __lockdep_init_map+0x100/0x560 [ 1685.083938] ? __lockdep_init_map+0x100/0x560 [ 1685.088415] submit_bio_wait+0xe8/0x140 [ 1685.092370] ? submit_bio_wait_endio+0xb0/0xb0 [ 1685.096946] blkdev_issue_flush+0x218/0x320 [ 1685.101251] ext4_sync_fs+0x46f/0x7e0 [ 1685.105031] ? bdev_try_to_free_page+0x150/0x150 [ 1685.109764] ? iterate_supers+0xda/0x490 [ 1685.113806] ? bdev_try_to_free_page+0x150/0x150 [ 1685.118540] ? vfs_fsync_range+0x260/0x260 [ 1685.122762] sync_fs_one_sb+0xb1/0xe0 [ 1685.126545] iterate_supers+0x124/0x490 [ 1685.130501] sys_sync+0x9a/0x130 [ 1685.133854] ? vfs_fsync+0x210/0x210 [ 1685.137555] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1685.142553] ? vfs_fsync+0x210/0x210 [ 1685.146245] do_syscall_64+0x1d5/0x640 [ 1685.150120] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1685.155290] RIP: 0033:0x7f3c6be997c9 [ 1685.158982] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1685.166684] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1685.173931] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1685.181178] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1685.188426] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1685.195672] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000057 [ 1685.203178] CPU: 1 PID: 12195 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1685.211290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1685.220633] Call Trace: [ 1685.223214] dump_stack+0x1b2/0x281 [ 1685.226844] should_fail.cold+0x10a/0x149 [ 1685.230984] ? sync_fs_one_sb+0xb1/0xe0 [ 1685.234955] should_failslab+0xd6/0x130 [ 1685.238924] kmem_cache_alloc_node+0x54/0x410 [ 1685.243417] create_task_io_context+0x2a/0x3c0 [ 1685.247997] generic_make_request_checks+0x1350/0x19f0 [ 1685.253271] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1685.257673] ? flush_workqueue+0x129/0x1310 [ 1685.261989] ? flush_workqueue+0x49b/0x1310 [ 1685.266309] generic_make_request+0x67/0x850 [ 1685.270708] ? mempool_alloc+0x10e/0x2d0 [ 1685.274756] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1685.280185] ? blk_queue_exit+0x1d0/0x1d0 [ 1685.284312] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1685.289308] ? kmem_cache_alloc+0x35f/0x3c0 [ 1685.293616] submit_bio+0x234/0x390 [ 1685.297231] ? generic_make_request+0x850/0x850 [ 1685.301889] ? __lockdep_init_map+0x100/0x560 [ 1685.306364] ? __lockdep_init_map+0x100/0x560 [ 1685.310863] submit_bio_wait+0xe8/0x140 [ 1685.314845] ? submit_bio_wait_endio+0xb0/0xb0 [ 1685.319412] blkdev_issue_flush+0x218/0x320 [ 1685.323714] ext4_sync_fs+0x46f/0x7e0 [ 1685.327496] ? bdev_try_to_free_page+0x150/0x150 [ 1685.332232] ? iterate_supers+0xda/0x490 [ 1685.336277] ? bdev_try_to_free_page+0x150/0x150 [ 1685.341011] ? vfs_fsync_range+0x260/0x260 [ 1685.345224] sync_fs_one_sb+0xb1/0xe0 [ 1685.349005] iterate_supers+0x124/0x490 [ 1685.352959] sys_sync+0x9a/0x130 [ 1685.356315] ? vfs_fsync+0x210/0x210 [ 1685.360015] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1685.365012] ? vfs_fsync+0x210/0x210 [ 1685.368710] do_syscall_64+0x1d5/0x640 [ 1685.372594] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1685.377769] RIP: 0033:0x7f3c6be997c9 [ 1685.381464] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1685.389150] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1685.396416] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1685.403669] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1685.410917] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1685.418167] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000038 [ 1685.425428] CPU: 0 PID: 12188 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1685.433393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1685.442728] Call Trace: [ 1685.445301] dump_stack+0x1b2/0x281 [ 1685.448923] should_fail.cold+0x10a/0x149 [ 1685.453050] ? sync_fs_one_sb+0xb1/0xe0 [ 1685.457006] should_failslab+0xd6/0x130 [ 1685.460960] kmem_cache_alloc_node+0x54/0x410 [ 1685.465436] create_task_io_context+0x2a/0x3c0 [ 1685.469996] generic_make_request_checks+0x1350/0x19f0 [ 1685.475257] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1685.479645] ? flush_workqueue+0x129/0x1310 [ 1685.483942] ? flush_workqueue+0x49b/0x1310 [ 1685.488247] generic_make_request+0x67/0x850 [ 1685.492636] ? mempool_alloc+0x10e/0x2d0 [ 1685.496676] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1685.502103] ? blk_queue_exit+0x1d0/0x1d0 [ 1685.506236] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1685.511247] ? kmem_cache_alloc+0x35f/0x3c0 [ 1685.515548] submit_bio+0x234/0x390 [ 1685.519154] ? generic_make_request+0x850/0x850 [ 1685.523798] ? __lockdep_init_map+0x100/0x560 [ 1685.528270] ? __lockdep_init_map+0x100/0x560 [ 1685.532750] submit_bio_wait+0xe8/0x140 [ 1685.536703] ? submit_bio_wait_endio+0xb0/0xb0 [ 1685.541270] blkdev_issue_flush+0x218/0x320 [ 1685.545571] ext4_sync_fs+0x46f/0x7e0 [ 1685.549350] ? bdev_try_to_free_page+0x150/0x150 [ 1685.554084] ? iterate_supers+0xda/0x490 [ 1685.558123] ? bdev_try_to_free_page+0x150/0x150 [ 1685.562856] ? vfs_fsync_range+0x260/0x260 [ 1685.567069] sync_fs_one_sb+0xb1/0xe0 [ 1685.570848] iterate_supers+0x124/0x490 [ 1685.574801] sys_sync+0x9a/0x130 [ 1685.578143] ? vfs_fsync+0x210/0x210 [ 1685.581837] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1685.586828] ? vfs_fsync+0x210/0x210 [ 1685.590522] do_syscall_64+0x1d5/0x640 [ 1685.594393] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 1685.599560] RIP: 0033:0x7f3c6be997c9 [ 1685.603251] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1685.610952] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1685.618198] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1685.625458] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1685.632704] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1685.639953] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000043 executing program [ 1685.745097] FAULT_INJECTION: forcing a failure. [ 1685.745097] name failslab, interval 1, probability 0, space 0, times 0 [ 1685.745215] FAULT_INJECTION: forcing a failure. [ 1685.745215] name failslab, interval 1, probability 0, space 0, times 0 [ 1685.757559] CPU: 0 PID: 12204 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1685.775473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1685.784813] Call Trace: [ 1685.787395] dump_stack+0x1b2/0x281 [ 1685.791020] should_fail.cold+0x10a/0x149 [ 1685.795184] should_failslab+0xd6/0x130 [ 1685.799149] kmem_cache_alloc+0x28e/0x3c0 [ 1685.803291] start_transaction+0x27c/0xf30 [ 1685.807510] ? vfs_fsync_range+0x260/0x260 [ 1685.811722] btrfs_attach_transaction_barrier+0x22/0x80 [ 1685.817069] btrfs_sync_fs+0xcd/0x430 [ 1685.820852] ? btrfs_freeze+0xb0/0xb0 [ 1685.824632] ? vfs_fsync_range+0x260/0x260 [ 1685.828844] sync_fs_one_sb+0xb1/0xe0 [ 1685.832625] iterate_supers+0x124/0x490 [ 1685.836588] sys_sync+0x9a/0x130 [ 1685.839957] ? vfs_fsync+0x210/0x210 [ 1685.843670] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1685.848684] ? vfs_fsync+0x210/0x210 [ 1685.852379] do_syscall_64+0x1d5/0x640 [ 1685.856251] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1685.861421] RIP: 0033:0x7f3c6be997c9 [ 1685.865108] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1685.872793] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1685.880047] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1685.887309] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1685.894558] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1685.901806] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000036 [ 1685.909068] CPU: 1 PID: 12206 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1685.917032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1685.926372] Call Trace: [ 1685.928958] dump_stack+0x1b2/0x281 [ 1685.932581] should_fail.cold+0x10a/0x149 [ 1685.936707] should_failslab+0xd6/0x130 [ 1685.940658] kmem_cache_alloc+0x28e/0x3c0 [ 1685.944784] start_transaction+0x27c/0xf30 [ 1685.948999] ? vfs_fsync_range+0x260/0x260 [ 1685.953211] btrfs_attach_transaction_barrier+0x22/0x80 [ 1685.958550] btrfs_sync_fs+0xcd/0x430 [ 1685.962327] ? btrfs_freeze+0xb0/0xb0 [ 1685.966124] ? vfs_fsync_range+0x260/0x260 [ 1685.970334] sync_fs_one_sb+0xb1/0xe0 [ 1685.974110] iterate_supers+0x124/0x490 [ 1685.978077] sys_sync+0x9a/0x130 [ 1685.981432] ? vfs_fsync+0x210/0x210 [ 1685.985122] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1685.990376] ? vfs_fsync+0x210/0x210 [ 1685.994063] do_syscall_64+0x1d5/0x640 [ 1685.997926] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1686.003090] RIP: 0033:0x7f3c6be997c9 [ 1686.006860] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1686.014557] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1686.021806] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1686.029050] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1686.036474] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 executing program executing program [ 1686.043724] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000036 executing program executing program [ 1686.126806] FAULT_INJECTION: forcing a failure. [ 1686.126806] name failslab, interval 1, probability 0, space 0, times 0 [ 1686.127092] FAULT_INJECTION: forcing a failure. [ 1686.127092] name failslab, interval 1, probability 0, space 0, times 0 [ 1686.149514] CPU: 0 PID: 12226 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1686.157477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1686.166819] Call Trace: [ 1686.169391] dump_stack+0x1b2/0x281 [ 1686.173000] should_fail.cold+0x10a/0x149 [ 1686.177129] should_failslab+0xd6/0x130 [ 1686.181084] kmem_cache_alloc+0x28e/0x3c0 [ 1686.185211] start_transaction+0x27c/0xf30 [ 1686.189428] ? vfs_fsync_range+0x260/0x260 [ 1686.193641] btrfs_attach_transaction_barrier+0x22/0x80 [ 1686.198982] btrfs_sync_fs+0xcd/0x430 [ 1686.202764] ? btrfs_freeze+0xb0/0xb0 [ 1686.206544] ? vfs_fsync_range+0x260/0x260 [ 1686.210773] sync_fs_one_sb+0xb1/0xe0 [ 1686.214551] iterate_supers+0x124/0x490 [ 1686.218506] sys_sync+0x9a/0x130 [ 1686.221851] ? vfs_fsync+0x210/0x210 [ 1686.225544] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1686.230538] ? vfs_fsync+0x210/0x210 [ 1686.234231] do_syscall_64+0x1d5/0x640 [ 1686.238100] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1686.243270] RIP: 0033:0x7f3c6be997c9 [ 1686.246958] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1686.254651] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1686.261905] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1686.269151] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1686.276400] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1686.283659] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000058 [ 1686.312539] CPU: 1 PID: 12219 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1686.320517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1686.329860] Call Trace: [ 1686.332441] dump_stack+0x1b2/0x281 [ 1686.336067] should_fail.cold+0x10a/0x149 [ 1686.340215] ? sync_fs_one_sb+0xb1/0xe0 [ 1686.344193] should_failslab+0xd6/0x130 [ 1686.347100] FAULT_INJECTION: forcing a failure. [ 1686.347100] name failslab, interval 1, probability 0, space 0, times 0 [ 1686.348159] kmem_cache_alloc_node+0x54/0x410 [ 1686.348178] create_task_io_context+0x2a/0x3c0 [ 1686.348190] generic_make_request_checks+0x1350/0x19f0 [ 1686.373639] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1686.378027] ? flush_workqueue+0x129/0x1310 [ 1686.382335] ? flush_workqueue+0x49b/0x1310 [ 1686.386650] generic_make_request+0x67/0x850 [ 1686.391042] ? mempool_alloc+0x10e/0x2d0 [ 1686.395084] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1686.400512] ? blk_queue_exit+0x1d0/0x1d0 [ 1686.404641] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1686.409639] ? kmem_cache_alloc+0x35f/0x3c0 [ 1686.413946] submit_bio+0x234/0x390 [ 1686.417553] ? generic_make_request+0x850/0x850 [ 1686.422204] ? __lockdep_init_map+0x100/0x560 [ 1686.426680] ? __lockdep_init_map+0x100/0x560 [ 1686.431159] submit_bio_wait+0xe8/0x140 [ 1686.435121] ? submit_bio_wait_endio+0xb0/0xb0 [ 1686.439686] blkdev_issue_flush+0x218/0x320 [ 1686.443988] ext4_sync_fs+0x46f/0x7e0 [ 1686.447772] ? bdev_try_to_free_page+0x150/0x150 [ 1686.452503] ? iterate_supers+0xda/0x490 [ 1686.456542] ? bdev_try_to_free_page+0x150/0x150 [ 1686.461275] ? vfs_fsync_range+0x260/0x260 [ 1686.465487] sync_fs_one_sb+0xb1/0xe0 [ 1686.469266] iterate_supers+0x124/0x490 [ 1686.473222] sys_sync+0x9a/0x130 [ 1686.476567] ? vfs_fsync+0x210/0x210 [ 1686.480264] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1686.485260] ? vfs_fsync+0x210/0x210 [ 1686.488954] do_syscall_64+0x1d5/0x640 [ 1686.492823] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1686.497991] RIP: 0033:0x7f3c6be997c9 [ 1686.501685] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1686.509372] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1686.516620] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1686.523866] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1686.531112] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1686.538382] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000039 [ 1686.545648] CPU: 0 PID: 12231 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1686.545965] FAULT_INJECTION: forcing a failure. [ 1686.545965] name failslab, interval 1, probability 0, space 0, times 0 [ 1686.553609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1686.553613] Call Trace: [ 1686.553624] dump_stack+0x1b2/0x281 [ 1686.553635] should_fail.cold+0x10a/0x149 [ 1686.553643] ? sync_fs_one_sb+0xb1/0xe0 [ 1686.553657] should_failslab+0xd6/0x130 [ 1686.553669] kmem_cache_alloc_node+0x54/0x410 [ 1686.596826] create_task_io_context+0x2a/0x3c0 [ 1686.601396] generic_make_request_checks+0x1350/0x19f0 [ 1686.606658] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1686.611047] ? flush_workqueue+0x129/0x1310 [ 1686.615362] ? flush_workqueue+0x49b/0x1310 [ 1686.619676] generic_make_request+0x67/0x850 [ 1686.624067] ? mempool_alloc+0x10e/0x2d0 [ 1686.628108] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1686.633534] ? blk_queue_exit+0x1d0/0x1d0 [ 1686.637668] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1686.642667] ? kmem_cache_alloc+0x35f/0x3c0 [ 1686.646973] submit_bio+0x234/0x390 [ 1686.650579] ? generic_make_request+0x850/0x850 [ 1686.655227] ? __lockdep_init_map+0x100/0x560 [ 1686.659707] ? __lockdep_init_map+0x100/0x560 [ 1686.664195] submit_bio_wait+0xe8/0x140 [ 1686.668151] ? submit_bio_wait_endio+0xb0/0xb0 [ 1686.672716] blkdev_issue_flush+0x218/0x320 [ 1686.677035] ext4_sync_fs+0x46f/0x7e0 [ 1686.680826] ? bdev_try_to_free_page+0x150/0x150 [ 1686.685561] ? iterate_supers+0xda/0x490 [ 1686.689603] ? bdev_try_to_free_page+0x150/0x150 [ 1686.694341] ? vfs_fsync_range+0x260/0x260 [ 1686.698567] sync_fs_one_sb+0xb1/0xe0 [ 1686.702373] iterate_supers+0x124/0x490 [ 1686.706331] sys_sync+0x9a/0x130 [ 1686.709682] ? vfs_fsync+0x210/0x210 [ 1686.713383] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1686.718385] ? vfs_fsync+0x210/0x210 [ 1686.722086] do_syscall_64+0x1d5/0x640 [ 1686.725955] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1686.731120] RIP: 0033:0x7f3c6be997c9 [ 1686.734809] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1686.742493] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1686.749740] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1686.756993] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1686.764249] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1686.771496] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000044 [ 1686.786848] CPU: 1 PID: 12216 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1686.794820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1686.804169] Call Trace: [ 1686.806763] dump_stack+0x1b2/0x281 [ 1686.810371] should_fail.cold+0x10a/0x149 [ 1686.814497] should_failslab+0xd6/0x130 [ 1686.818470] kmem_cache_alloc+0x28e/0x3c0 [ 1686.822603] start_transaction+0x27c/0xf30 [ 1686.826818] ? vfs_fsync_range+0x260/0x260 [ 1686.831030] btrfs_attach_transaction_barrier+0x22/0x80 [ 1686.836371] btrfs_sync_fs+0xcd/0x430 [ 1686.840149] ? btrfs_freeze+0xb0/0xb0 [ 1686.843927] ? vfs_fsync_range+0x260/0x260 [ 1686.848232] sync_fs_one_sb+0xb1/0xe0 [ 1686.852009] iterate_supers+0x124/0x490 [ 1686.855960] sys_sync+0x9a/0x130 [ 1686.859302] ? vfs_fsync+0x210/0x210 [ 1686.862991] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1686.867980] ? vfs_fsync+0x210/0x210 [ 1686.871670] do_syscall_64+0x1d5/0x640 [ 1686.875535] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1686.880700] RIP: 0033:0x7f3c6be997c9 executing program executing program [ 1686.884385] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1686.892081] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1686.899332] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1686.906577] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1686.913823] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1686.921069] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000036 executing program [ 1687.030900] FAULT_INJECTION: forcing a failure. [ 1687.030900] name failslab, interval 1, probability 0, space 0, times 0 [ 1687.033140] FAULT_INJECTION: forcing a failure. [ 1687.033140] name failslab, interval 1, probability 0, space 0, times 0 [ 1687.068068] BTRFS info (device loop3): disabling disk space caching [ 1687.080682] CPU: 1 PID: 12239 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1687.088659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1687.092025] BTRFS info (device loop3): has skinny extents [ 1687.097998] Call Trace: [ 1687.098013] dump_stack+0x1b2/0x281 [ 1687.098025] should_fail.cold+0x10a/0x149 [ 1687.098034] ? sync_fs_one_sb+0xb1/0xe0 [ 1687.098044] should_failslab+0xd6/0x130 [ 1687.121874] kmem_cache_alloc_node+0x54/0x410 [ 1687.126363] create_task_io_context+0x2a/0x3c0 [ 1687.130928] generic_make_request_checks+0x1350/0x19f0 [ 1687.136214] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1687.140602] ? flush_workqueue+0x129/0x1310 [ 1687.144902] ? flush_workqueue+0x49b/0x1310 [ 1687.149217] generic_make_request+0x67/0x850 [ 1687.153610] ? mempool_alloc+0x10e/0x2d0 [ 1687.157653] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1687.163085] ? blk_queue_exit+0x1d0/0x1d0 [ 1687.167210] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1687.172209] ? kmem_cache_alloc+0x35f/0x3c0 [ 1687.176509] submit_bio+0x234/0x390 [ 1687.180121] ? generic_make_request+0x850/0x850 [ 1687.184770] ? __lockdep_init_map+0x100/0x560 [ 1687.189250] ? __lockdep_init_map+0x100/0x560 [ 1687.193726] submit_bio_wait+0xe8/0x140 [ 1687.197678] ? submit_bio_wait_endio+0xb0/0xb0 [ 1687.202252] blkdev_issue_flush+0x218/0x320 [ 1687.206590] ext4_sync_fs+0x46f/0x7e0 [ 1687.210379] ? bdev_try_to_free_page+0x150/0x150 [ 1687.215151] ? iterate_supers+0xda/0x490 [ 1687.219222] ? bdev_try_to_free_page+0x150/0x150 [ 1687.223956] ? vfs_fsync_range+0x260/0x260 [ 1687.228170] sync_fs_one_sb+0xb1/0xe0 [ 1687.231950] iterate_supers+0x124/0x490 [ 1687.235907] sys_sync+0x9a/0x130 [ 1687.239256] ? vfs_fsync+0x210/0x210 [ 1687.242950] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1687.247946] ? vfs_fsync+0x210/0x210 [ 1687.251645] do_syscall_64+0x1d5/0x640 [ 1687.255518] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1687.260690] RIP: 0033:0x7f3c6be997c9 [ 1687.264379] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1687.272065] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1687.279321] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1687.286602] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1687.293857] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1687.301104] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000045 [ 1687.308369] CPU: 0 PID: 12238 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1687.316335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1687.325679] Call Trace: [ 1687.328261] dump_stack+0x1b2/0x281 [ 1687.331884] should_fail.cold+0x10a/0x149 [ 1687.336028] ? mempool_free+0x1d0/0x1d0 [ 1687.340026] should_failslab+0xd6/0x130 [ 1687.344002] kmem_cache_alloc+0x40/0x3c0 [ 1687.348052] ? mempool_free+0x1d0/0x1d0 [ 1687.352001] mempool_alloc+0x10e/0x2d0 [ 1687.355874] ? remove_element.isra.0+0x1b0/0x1b0 [ 1687.360634] ? sb_mark_inode_writeback+0xc8/0x460 [ 1687.365453] ? __test_set_page_writeback+0x3eb/0x1000 [ 1687.370624] bio_alloc_bioset+0x41b/0x830 [ 1687.374752] ? bvec_alloc+0x2d0/0x2d0 [ 1687.378533] submit_bh_wbc+0xf5/0x6f0 [ 1687.382311] __block_write_full_page+0x4ee/0x9f0 [ 1687.387042] ? __getblk_gfp+0x70/0x70 [ 1687.390830] ? set_init_blocksize+0x210/0x210 [ 1687.395306] block_write_full_page+0x1d0/0x240 [ 1687.399885] __writepage+0x5a/0xc0 [ 1687.403415] write_cache_pages+0x505/0xd20 [ 1687.407635] ? tag_pages_for_writeback+0x290/0x290 [ 1687.412540] ? clear_page_dirty_for_io+0xb80/0xb80 [ 1687.417450] ? __lock_acquire+0x5fc/0x3f20 [ 1687.421674] ? trace_hardirqs_on+0x10/0x10 [ 1687.425973] ? blkdev_readpages+0x30/0x30 [ 1687.430103] generic_writepages+0xc1/0x110 [ 1687.434315] ? redirty_page_for_writepage+0x60/0x60 [ 1687.439308] ? trace_hardirqs_on+0x10/0x10 [ 1687.443522] blkdev_writepages+0x78/0xd0 [ 1687.447564] do_writepages+0xc3/0x240 [ 1687.451361] ? page_writeback_cpu_online+0x10/0x10 [ 1687.456267] ? lock_acquire+0x170/0x3f0 [ 1687.460222] ? do_raw_spin_unlock+0x164/0x220 [ 1687.464692] ? _raw_spin_unlock+0x29/0x40 [ 1687.468834] ? wbc_attach_and_unlock_inode+0x5e8/0x8d0 [ 1687.474118] __filemap_fdatawrite_range+0x236/0x310 [ 1687.479120] ? replace_page_cache_page+0x700/0x700 [ 1687.484038] ? iput+0xad/0x7e0 [ 1687.487214] iterate_bdevs+0x108/0x260 [ 1687.491080] ? fdatawait_one_bdev+0x60/0x60 [ 1687.495375] sys_sync+0xa8/0x130 [ 1687.498716] ? vfs_fsync+0x210/0x210 [ 1687.502410] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1687.507404] ? vfs_fsync+0x210/0x210 [ 1687.511107] do_syscall_64+0x1d5/0x640 [ 1687.514982] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1687.520164] RIP: 0033:0x7f3c6be997c9 [ 1687.523856] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1687.527303] BTRFS info (device loop3): checking UUID tree [ 1687.531554] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1687.544323] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1687.551573] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1687.558823] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1687.566068] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000037 executing program [ 1687.709768] FAULT_INJECTION: forcing a failure. [ 1687.709768] name failslab, interval 1, probability 0, space 0, times 0 [ 1687.721208] CPU: 0 PID: 12251 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1687.729168] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1687.738537] Call Trace: [ 1687.741120] dump_stack+0x1b2/0x281 [ 1687.744747] should_fail.cold+0x10a/0x149 [ 1687.748884] ? lock_downgrade+0x740/0x740 [ 1687.753009] ? mempool_free+0x1d0/0x1d0 [ 1687.756970] should_failslab+0xd6/0x130 [ 1687.760937] kmem_cache_alloc+0x40/0x3c0 [ 1687.764976] ? mempool_free+0x1d0/0x1d0 [ 1687.768926] mempool_alloc+0x10e/0x2d0 [ 1687.772794] ? remove_element.isra.0+0x1b0/0x1b0 [ 1687.777534] ? flush_workqueue+0x40e/0x1310 [ 1687.781837] ? check_preemption_disabled+0x35/0x240 [ 1687.786833] bio_alloc_bioset+0x41b/0x830 [ 1687.790961] ? bvec_alloc+0x2d0/0x2d0 [ 1687.794741] blkdev_issue_flush+0xeb/0x320 [ 1687.798954] ext4_sync_fs+0x46f/0x7e0 [ 1687.802728] ? bdev_try_to_free_page+0x150/0x150 [ 1687.807463] ? iterate_supers+0xda/0x490 [ 1687.811507] ? bdev_try_to_free_page+0x150/0x150 [ 1687.816261] ? vfs_fsync_range+0x260/0x260 [ 1687.820479] sync_fs_one_sb+0xb1/0xe0 [ 1687.824254] iterate_supers+0x124/0x490 [ 1687.828204] sys_sync+0x9a/0x130 [ 1687.831545] ? vfs_fsync+0x210/0x210 [ 1687.835248] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1687.840247] ? vfs_fsync+0x210/0x210 [ 1687.843936] do_syscall_64+0x1d5/0x640 [ 1687.847803] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1687.852974] RIP: 0033:0x7f3c6be997c9 [ 1687.856666] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1687.864358] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1687.871606] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1687.878853] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1687.886098] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1687.893342] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000037 executing program executing program [ 1687.920495] FAULT_INJECTION: forcing a failure. [ 1687.920495] name failslab, interval 1, probability 0, space 0, times 0 [ 1687.939675] CPU: 0 PID: 12280 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1687.947670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1687.957011] Call Trace: [ 1687.959594] dump_stack+0x1b2/0x281 [ 1687.963222] should_fail.cold+0x10a/0x149 [ 1687.967363] ? sync_fs_one_sb+0xb1/0xe0 [ 1687.971332] should_failslab+0xd6/0x130 [ 1687.975302] kmem_cache_alloc_node+0x54/0x410 [ 1687.979795] create_task_io_context+0x2a/0x3c0 [ 1687.984374] generic_make_request_checks+0x1350/0x19f0 [ 1687.989653] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1687.994056] ? flush_workqueue+0x129/0x1310 [ 1687.998373] ? flush_workqueue+0x49b/0x1310 [ 1688.002694] generic_make_request+0x67/0x850 [ 1688.007098] ? mempool_alloc+0x10e/0x2d0 [ 1688.011148] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1688.016577] ? blk_queue_exit+0x1d0/0x1d0 [ 1688.020705] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1688.025699] ? kmem_cache_alloc+0x35f/0x3c0 [ 1688.030002] submit_bio+0x234/0x390 [ 1688.033608] ? generic_make_request+0x850/0x850 [ 1688.038256] ? __lockdep_init_map+0x100/0x560 [ 1688.042730] ? __lockdep_init_map+0x100/0x560 [ 1688.047213] submit_bio_wait+0xe8/0x140 [ 1688.051165] ? submit_bio_wait_endio+0xb0/0xb0 [ 1688.055742] blkdev_issue_flush+0x218/0x320 [ 1688.060055] ext4_sync_fs+0x46f/0x7e0 [ 1688.063836] ? bdev_try_to_free_page+0x150/0x150 [ 1688.068584] ? iterate_supers+0xda/0x490 [ 1688.072627] ? bdev_try_to_free_page+0x150/0x150 [ 1688.077365] ? vfs_fsync_range+0x260/0x260 [ 1688.081578] sync_fs_one_sb+0xb1/0xe0 [ 1688.085357] iterate_supers+0x124/0x490 [ 1688.089332] sys_sync+0x9a/0x130 [ 1688.092690] ? vfs_fsync+0x210/0x210 [ 1688.096394] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1688.101387] ? vfs_fsync+0x210/0x210 [ 1688.105083] do_syscall_64+0x1d5/0x640 [ 1688.108952] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1688.114133] RIP: 0033:0x7f3c6be997c9 executing program [ 1688.117824] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1688.125508] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1688.132757] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1688.140019] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1688.147263] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1688.154528] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000003a executing program [ 1688.239567] FAULT_INJECTION: forcing a failure. [ 1688.239567] name failslab, interval 1, probability 0, space 0, times 0 [ 1688.239698] FAULT_INJECTION: forcing a failure. [ 1688.239698] name failslab, interval 1, probability 0, space 0, times 0 [ 1688.251315] FAULT_INJECTION: forcing a failure. [ 1688.251315] name failslab, interval 1, probability 0, space 0, times 0 [ 1688.267586] FAULT_INJECTION: forcing a failure. [ 1688.267586] name failslab, interval 1, probability 0, space 0, times 0 [ 1688.290190] CPU: 0 PID: 12290 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1688.298165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1688.307508] Call Trace: [ 1688.310091] dump_stack+0x1b2/0x281 [ 1688.313720] should_fail.cold+0x10a/0x149 [ 1688.317860] ? sync_fs_one_sb+0xb1/0xe0 [ 1688.321827] should_failslab+0xd6/0x130 [ 1688.325789] kmem_cache_alloc_node+0x54/0x410 [ 1688.330270] create_task_io_context+0x2a/0x3c0 [ 1688.334841] generic_make_request_checks+0x1350/0x19f0 [ 1688.340106] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1688.344516] ? flush_workqueue+0x129/0x1310 [ 1688.348831] ? flush_workqueue+0x49b/0x1310 [ 1688.353148] generic_make_request+0x67/0x850 [ 1688.357557] ? mempool_alloc+0x10e/0x2d0 [ 1688.361604] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1688.367040] ? blk_queue_exit+0x1d0/0x1d0 [ 1688.371177] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1688.376183] ? kmem_cache_alloc+0x35f/0x3c0 [ 1688.380496] submit_bio+0x234/0x390 [ 1688.384384] ? generic_make_request+0x850/0x850 [ 1688.389043] ? __lockdep_init_map+0x100/0x560 [ 1688.393523] ? __lockdep_init_map+0x100/0x560 [ 1688.398016] submit_bio_wait+0xe8/0x140 [ 1688.401981] ? submit_bio_wait_endio+0xb0/0xb0 [ 1688.406563] blkdev_issue_flush+0x218/0x320 [ 1688.410880] ext4_sync_fs+0x46f/0x7e0 [ 1688.414672] ? bdev_try_to_free_page+0x150/0x150 [ 1688.419417] ? iterate_supers+0xda/0x490 [ 1688.423472] ? bdev_try_to_free_page+0x150/0x150 [ 1688.428220] ? vfs_fsync_range+0x260/0x260 [ 1688.432472] sync_fs_one_sb+0xb1/0xe0 [ 1688.436263] iterate_supers+0x124/0x490 [ 1688.440254] sys_sync+0x9a/0x130 [ 1688.443609] ? vfs_fsync+0x210/0x210 [ 1688.447306] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1688.452315] ? vfs_fsync+0x210/0x210 [ 1688.456017] do_syscall_64+0x1d5/0x640 [ 1688.459892] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1688.465088] RIP: 0033:0x7f3c6be997c9 [ 1688.468777] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1688.476467] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1688.483720] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 executing program [ 1688.490971] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1688.498224] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1688.505477] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000037 [ 1688.512736] CPU: 1 PID: 12299 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1688.520698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1688.530043] Call Trace: [ 1688.532618] dump_stack+0x1b2/0x281 [ 1688.536224] should_fail.cold+0x10a/0x149 [ 1688.540356] ? sync_fs_one_sb+0xb1/0xe0 [ 1688.544306] should_failslab+0xd6/0x130 [ 1688.548258] kmem_cache_alloc_node+0x54/0x410 [ 1688.552730] create_task_io_context+0x2a/0x3c0 [ 1688.557284] generic_make_request_checks+0x1350/0x19f0 [ 1688.562538] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1688.566938] ? flush_workqueue+0x129/0x1310 [ 1688.571233] ? flush_workqueue+0x49b/0x1310 [ 1688.575541] generic_make_request+0x67/0x850 [ 1688.579923] ? mempool_alloc+0x10e/0x2d0 [ 1688.583957] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1688.589377] ? blk_queue_exit+0x1d0/0x1d0 [ 1688.593499] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1688.598487] ? kmem_cache_alloc+0x35f/0x3c0 [ 1688.602783] submit_bio+0x234/0x390 [ 1688.606385] ? generic_make_request+0x850/0x850 [ 1688.611032] ? __lockdep_init_map+0x100/0x560 [ 1688.615502] ? __lockdep_init_map+0x100/0x560 [ 1688.619974] submit_bio_wait+0xe8/0x140 [ 1688.623921] ? submit_bio_wait_endio+0xb0/0xb0 [ 1688.628499] blkdev_issue_flush+0x218/0x320 [ 1688.632796] ext4_sync_fs+0x46f/0x7e0 [ 1688.636571] ? bdev_try_to_free_page+0x150/0x150 [ 1688.641302] ? iterate_supers+0xda/0x490 [ 1688.645339] ? bdev_try_to_free_page+0x150/0x150 [ 1688.650071] ? vfs_fsync_range+0x260/0x260 [ 1688.654280] sync_fs_one_sb+0xb1/0xe0 [ 1688.658053] iterate_supers+0x124/0x490 [ 1688.662001] sys_sync+0x9a/0x130 [ 1688.665344] ? vfs_fsync+0x210/0x210 [ 1688.669068] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1688.674057] ? vfs_fsync+0x210/0x210 [ 1688.677743] do_syscall_64+0x1d5/0x640 [ 1688.681607] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1688.686786] RIP: 0033:0x7f3c6be997c9 [ 1688.690485] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1688.698167] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1688.705413] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1688.712658] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1688.719904] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1688.727147] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000038 [ 1688.744206] CPU: 1 PID: 12289 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1688.752170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1688.761507] Call Trace: [ 1688.764077] dump_stack+0x1b2/0x281 [ 1688.767691] should_fail.cold+0x10a/0x149 [ 1688.771819] ? sync_fs_one_sb+0xb1/0xe0 [ 1688.775772] should_failslab+0xd6/0x130 [ 1688.779726] kmem_cache_alloc_node+0x54/0x410 [ 1688.784201] create_task_io_context+0x2a/0x3c0 [ 1688.788760] generic_make_request_checks+0x1350/0x19f0 [ 1688.794020] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1688.798408] ? flush_workqueue+0x129/0x1310 [ 1688.802710] ? flush_workqueue+0x49b/0x1310 [ 1688.807015] generic_make_request+0x67/0x850 [ 1688.811402] ? mempool_alloc+0x10e/0x2d0 [ 1688.815454] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1688.820881] ? blk_queue_exit+0x1d0/0x1d0 [ 1688.825010] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1688.830008] ? kmem_cache_alloc+0x35f/0x3c0 [ 1688.834310] submit_bio+0x234/0x390 [ 1688.837917] ? generic_make_request+0x850/0x850 [ 1688.842577] ? __lockdep_init_map+0x100/0x560 [ 1688.847050] ? __lockdep_init_map+0x100/0x560 [ 1688.851524] submit_bio_wait+0xe8/0x140 [ 1688.855475] ? submit_bio_wait_endio+0xb0/0xb0 [ 1688.860047] blkdev_issue_flush+0x218/0x320 [ 1688.864353] ext4_sync_fs+0x46f/0x7e0 [ 1688.868134] ? bdev_try_to_free_page+0x150/0x150 [ 1688.872866] ? iterate_supers+0xda/0x490 [ 1688.876905] ? bdev_try_to_free_page+0x150/0x150 [ 1688.881657] ? vfs_fsync_range+0x260/0x260 [ 1688.885870] sync_fs_one_sb+0xb1/0xe0 [ 1688.889649] iterate_supers+0x124/0x490 [ 1688.893603] sys_sync+0x9a/0x130 [ 1688.896948] ? vfs_fsync+0x210/0x210 [ 1688.900643] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1688.905636] ? vfs_fsync+0x210/0x210 [ 1688.909327] do_syscall_64+0x1d5/0x640 [ 1688.913197] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1688.918365] RIP: 0033:0x7f3c6be997c9 [ 1688.922054] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1688.929740] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1688.937000] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1688.944267] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1688.951516] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1688.958762] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000059 [ 1688.966026] CPU: 0 PID: 12301 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1688.973990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1688.983330] Call Trace: [ 1688.985909] dump_stack+0x1b2/0x281 [ 1688.989535] should_fail.cold+0x10a/0x149 [ 1688.993678] should_failslab+0xd6/0x130 [ 1688.997649] kmem_cache_alloc+0x28e/0x3c0 [ 1689.001793] start_transaction+0x27c/0xf30 [ 1689.006021] ? vfs_fsync_range+0x260/0x260 [ 1689.010233] btrfs_attach_transaction_barrier+0x22/0x80 [ 1689.015576] btrfs_sync_fs+0xcd/0x430 [ 1689.019368] ? btrfs_freeze+0xb0/0xb0 [ 1689.023160] ? vfs_fsync_range+0x260/0x260 [ 1689.027376] sync_fs_one_sb+0xb1/0xe0 [ 1689.031158] iterate_supers+0x124/0x490 [ 1689.035114] sys_sync+0x9a/0x130 [ 1689.038469] ? vfs_fsync+0x210/0x210 [ 1689.042162] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1689.047159] ? vfs_fsync+0x210/0x210 [ 1689.050856] do_syscall_64+0x1d5/0x640 [ 1689.054720] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1689.059890] RIP: 0033:0x7f3c6be997c9 [ 1689.063584] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1689.071282] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1689.078535] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1689.085778] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1689.093023] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1689.100269] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000046 [ 1689.176898] FAULT_INJECTION: forcing a failure. [ 1689.176898] name failslab, interval 1, probability 0, space 0, times 0 [ 1689.190672] CPU: 1 PID: 12305 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1689.198644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1689.207993] Call Trace: [ 1689.210579] dump_stack+0x1b2/0x281 [ 1689.214211] should_fail.cold+0x10a/0x149 [ 1689.218352] ? sync_fs_one_sb+0xb1/0xe0 [ 1689.222323] should_failslab+0xd6/0x130 executing program [ 1689.226291] kmem_cache_alloc_node+0x54/0x410 [ 1689.230781] create_task_io_context+0x2a/0x3c0 [ 1689.235356] generic_make_request_checks+0x1350/0x19f0 [ 1689.240632] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1689.245038] ? flush_workqueue+0x129/0x1310 [ 1689.249351] ? flush_workqueue+0x49b/0x1310 [ 1689.253663] generic_make_request+0x67/0x850 [ 1689.258077] ? mempool_alloc+0x10e/0x2d0 [ 1689.262252] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1689.267700] ? blk_queue_exit+0x1d0/0x1d0 [ 1689.271847] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1689.276865] ? kmem_cache_alloc+0x35f/0x3c0 [ 1689.281182] submit_bio+0x234/0x390 [ 1689.284804] ? generic_make_request+0x850/0x850 [ 1689.289466] ? __lockdep_init_map+0x100/0x560 [ 1689.293954] ? __lockdep_init_map+0x100/0x560 [ 1689.298455] submit_bio_wait+0xe8/0x140 [ 1689.302427] ? submit_bio_wait_endio+0xb0/0xb0 [ 1689.307015] blkdev_issue_flush+0x218/0x320 [ 1689.311334] ext4_sync_fs+0x46f/0x7e0 [ 1689.315129] ? bdev_try_to_free_page+0x150/0x150 [ 1689.319873] ? iterate_supers+0xda/0x490 [ 1689.323927] ? bdev_try_to_free_page+0x150/0x150 [ 1689.328664] ? vfs_fsync_range+0x260/0x260 [ 1689.332880] sync_fs_one_sb+0xb1/0xe0 [ 1689.336670] iterate_supers+0x124/0x490 [ 1689.340626] sys_sync+0x9a/0x130 [ 1689.343995] ? vfs_fsync+0x210/0x210 [ 1689.347691] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1689.352681] ? vfs_fsync+0x210/0x210 [ 1689.356369] do_syscall_64+0x1d5/0x640 [ 1689.360253] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1689.365415] RIP: 0033:0x7f3c6be997c9 [ 1689.369101] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1689.376784] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1689.384036] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1689.391285] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1689.398545] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1689.405789] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000003b [ 1689.421068] BTRFS info (device loop1): disabling disk space caching [ 1689.427766] BTRFS info (device loop1): has skinny extents executing program [ 1689.473976] BTRFS info (device loop1): checking UUID tree [ 1689.578296] FAULT_INJECTION: forcing a failure. [ 1689.578296] name failslab, interval 1, probability 0, space 0, times 0 [ 1689.589664] FAULT_INJECTION: forcing a failure. [ 1689.589664] name failslab, interval 1, probability 0, space 0, times 0 [ 1689.602294] CPU: 0 PID: 12318 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1689.610345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1689.619676] Call Trace: [ 1689.622247] dump_stack+0x1b2/0x281 [ 1689.625858] should_fail.cold+0x10a/0x149 [ 1689.629984] ? lock_downgrade+0x740/0x740 [ 1689.634116] ? mempool_free+0x1d0/0x1d0 [ 1689.638070] should_failslab+0xd6/0x130 [ 1689.642027] kmem_cache_alloc+0x40/0x3c0 [ 1689.646068] ? mempool_free+0x1d0/0x1d0 [ 1689.650019] mempool_alloc+0x10e/0x2d0 [ 1689.653892] ? remove_element.isra.0+0x1b0/0x1b0 [ 1689.658627] ? flush_workqueue+0x40e/0x1310 [ 1689.662928] ? check_preemption_disabled+0x35/0x240 [ 1689.667926] bio_alloc_bioset+0x41b/0x830 [ 1689.672057] ? bvec_alloc+0x2d0/0x2d0 [ 1689.675853] blkdev_issue_flush+0xeb/0x320 [ 1689.680068] ext4_sync_fs+0x46f/0x7e0 [ 1689.683849] ? bdev_try_to_free_page+0x150/0x150 [ 1689.688582] ? iterate_supers+0xda/0x490 [ 1689.692621] ? bdev_try_to_free_page+0x150/0x150 [ 1689.697354] ? vfs_fsync_range+0x260/0x260 [ 1689.701582] sync_fs_one_sb+0xb1/0xe0 [ 1689.705359] iterate_supers+0x124/0x490 [ 1689.709402] sys_sync+0x9a/0x130 [ 1689.712749] ? vfs_fsync+0x210/0x210 [ 1689.716440] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1689.721447] ? vfs_fsync+0x210/0x210 [ 1689.725139] do_syscall_64+0x1d5/0x640 [ 1689.729007] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1689.734176] RIP: 0033:0x7f3c6be997c9 [ 1689.737868] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1689.745554] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1689.752800] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1689.760047] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1689.767293] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1689.774538] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000038 [ 1689.788960] CPU: 0 PID: 12356 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1689.796929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1689.806271] Call Trace: [ 1689.808852] dump_stack+0x1b2/0x281 [ 1689.812481] should_fail.cold+0x10a/0x149 [ 1689.816622] ? lock_downgrade+0x740/0x740 [ 1689.820760] ? mempool_free+0x1d0/0x1d0 [ 1689.824728] should_failslab+0xd6/0x130 [ 1689.828699] kmem_cache_alloc+0x40/0x3c0 [ 1689.832755] ? mempool_free+0x1d0/0x1d0 [ 1689.836729] mempool_alloc+0x10e/0x2d0 [ 1689.840649] ? remove_element.isra.0+0x1b0/0x1b0 [ 1689.845398] ? flush_workqueue+0x40e/0x1310 [ 1689.849717] ? check_preemption_disabled+0x35/0x240 [ 1689.854819] bio_alloc_bioset+0x41b/0x830 [ 1689.858968] ? bvec_alloc+0x2d0/0x2d0 [ 1689.862769] blkdev_issue_flush+0xeb/0x320 [ 1689.867000] ext4_sync_fs+0x46f/0x7e0 [ 1689.870791] ? bdev_try_to_free_page+0x150/0x150 [ 1689.875533] ? iterate_supers+0xda/0x490 [ 1689.879586] ? bdev_try_to_free_page+0x150/0x150 [ 1689.884382] ? vfs_fsync_range+0x260/0x260 [ 1689.888594] sync_fs_one_sb+0xb1/0xe0 [ 1689.892369] iterate_supers+0x124/0x490 [ 1689.896328] sys_sync+0x9a/0x130 [ 1689.899692] ? vfs_fsync+0x210/0x210 [ 1689.903382] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1689.908371] ? vfs_fsync+0x210/0x210 [ 1689.912061] do_syscall_64+0x1d5/0x640 [ 1689.915927] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1689.921107] RIP: 0033:0x7f3c6be997c9 executing program executing program executing program [ 1689.924794] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1689.932477] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1689.939727] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1689.946974] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1689.954232] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1689.961477] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000047 executing program [ 1689.998344] FAULT_INJECTION: forcing a failure. [ 1689.998344] name failslab, interval 1, probability 0, space 0, times 0 [ 1689.998457] FAULT_INJECTION: forcing a failure. [ 1689.998457] name failslab, interval 1, probability 0, space 0, times 0 [ 1690.026617] FAULT_INJECTION: forcing a failure. [ 1690.026617] name failslab, interval 1, probability 0, space 0, times 0 [ 1690.036086] CPU: 1 PID: 12367 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1690.045765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1690.055113] Call Trace: [ 1690.057694] dump_stack+0x1b2/0x281 [ 1690.061321] should_fail.cold+0x10a/0x149 [ 1690.065460] ? sync_fs_one_sb+0xb1/0xe0 [ 1690.069423] should_failslab+0xd6/0x130 [ 1690.073387] kmem_cache_alloc_node+0x54/0x410 [ 1690.077884] create_task_io_context+0x2a/0x3c0 [ 1690.082461] generic_make_request_checks+0x1350/0x19f0 [ 1690.087753] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1690.092249] ? flush_workqueue+0x129/0x1310 [ 1690.096560] ? flush_workqueue+0x49b/0x1310 [ 1690.100870] generic_make_request+0x67/0x850 [ 1690.105264] ? mempool_alloc+0x10e/0x2d0 [ 1690.109314] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1690.114759] ? blk_queue_exit+0x1d0/0x1d0 [ 1690.118902] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1690.123921] ? kmem_cache_alloc+0x35f/0x3c0 [ 1690.128229] submit_bio+0x234/0x390 [ 1690.131843] ? generic_make_request+0x850/0x850 [ 1690.136515] ? __lockdep_init_map+0x100/0x560 [ 1690.140996] ? __lockdep_init_map+0x100/0x560 [ 1690.145478] submit_bio_wait+0xe8/0x140 [ 1690.149445] ? submit_bio_wait_endio+0xb0/0xb0 [ 1690.154028] blkdev_issue_flush+0x218/0x320 [ 1690.158348] ext4_sync_fs+0x46f/0x7e0 [ 1690.162142] ? bdev_try_to_free_page+0x150/0x150 [ 1690.166883] ? iterate_supers+0xda/0x490 [ 1690.170936] ? bdev_try_to_free_page+0x150/0x150 [ 1690.175676] ? vfs_fsync_range+0x260/0x260 [ 1690.179895] sync_fs_one_sb+0xb1/0xe0 [ 1690.183677] iterate_supers+0x124/0x490 [ 1690.187635] sys_sync+0x9a/0x130 [ 1690.190984] ? vfs_fsync+0x210/0x210 [ 1690.194681] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1690.199678] ? vfs_fsync+0x210/0x210 [ 1690.203375] do_syscall_64+0x1d5/0x640 [ 1690.207260] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1690.212439] RIP: 0033:0x7f3c6be997c9 [ 1690.216131] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1690.223825] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1690.231073] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1690.238325] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1690.245572] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1690.252822] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000005a [ 1690.260085] CPU: 0 PID: 12368 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1690.268048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1690.277387] Call Trace: [ 1690.279968] dump_stack+0x1b2/0x281 [ 1690.283591] should_fail.cold+0x10a/0x149 [ 1690.287734] ? sync_fs_one_sb+0xb1/0xe0 [ 1690.291704] should_failslab+0xd6/0x130 [ 1690.295677] kmem_cache_alloc_node+0x54/0x410 [ 1690.300175] create_task_io_context+0x2a/0x3c0 [ 1690.304754] generic_make_request_checks+0x1350/0x19f0 [ 1690.310026] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1690.314428] ? flush_workqueue+0x129/0x1310 [ 1690.318741] ? flush_workqueue+0x49b/0x1310 [ 1690.323060] generic_make_request+0x67/0x850 [ 1690.327463] ? mempool_alloc+0x10e/0x2d0 [ 1690.331517] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1690.336961] ? blk_queue_exit+0x1d0/0x1d0 [ 1690.341101] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1690.346106] ? kmem_cache_alloc+0x35f/0x3c0 [ 1690.350415] submit_bio+0x234/0x390 [ 1690.354024] ? generic_make_request+0x850/0x850 [ 1690.358677] ? __lockdep_init_map+0x100/0x560 [ 1690.363157] ? __lockdep_init_map+0x100/0x560 [ 1690.367635] submit_bio_wait+0xe8/0x140 [ 1690.371588] ? submit_bio_wait_endio+0xb0/0xb0 [ 1690.376161] blkdev_issue_flush+0x218/0x320 [ 1690.380469] ext4_sync_fs+0x46f/0x7e0 [ 1690.384250] ? bdev_try_to_free_page+0x150/0x150 [ 1690.388988] ? iterate_supers+0xda/0x490 [ 1690.393033] ? bdev_try_to_free_page+0x150/0x150 [ 1690.397771] ? vfs_fsync_range+0x260/0x260 [ 1690.402002] sync_fs_one_sb+0xb1/0xe0 [ 1690.405779] iterate_supers+0x124/0x490 [ 1690.409756] sys_sync+0x9a/0x130 [ 1690.413123] ? vfs_fsync+0x210/0x210 [ 1690.416831] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1690.421829] ? vfs_fsync+0x210/0x210 [ 1690.425541] do_syscall_64+0x1d5/0x640 [ 1690.429411] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1690.434581] RIP: 0033:0x7f3c6be997c9 [ 1690.438275] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1690.445969] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1690.453215] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1690.460461] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1690.467711] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1690.474964] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000038 [ 1690.482222] CPU: 1 PID: 12366 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1690.490185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1690.499528] Call Trace: [ 1690.502100] dump_stack+0x1b2/0x281 [ 1690.505706] should_fail.cold+0x10a/0x149 [ 1690.509829] should_failslab+0xd6/0x130 [ 1690.513778] kmem_cache_alloc+0x28e/0x3c0 [ 1690.517918] start_transaction+0x27c/0xf30 [ 1690.522133] ? vfs_fsync_range+0x260/0x260 [ 1690.526342] btrfs_attach_transaction_barrier+0x22/0x80 [ 1690.531681] btrfs_sync_fs+0xcd/0x430 [ 1690.535464] ? btrfs_freeze+0xb0/0xb0 [ 1690.539275] ? vfs_fsync_range+0x260/0x260 [ 1690.543494] sync_fs_one_sb+0xb1/0xe0 [ 1690.547273] iterate_supers+0x124/0x490 [ 1690.551237] sys_sync+0x9a/0x130 [ 1690.554587] ? vfs_fsync+0x210/0x210 [ 1690.558277] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1690.563278] ? vfs_fsync+0x210/0x210 [ 1690.566978] do_syscall_64+0x1d5/0x640 [ 1690.570863] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1690.576028] RIP: 0033:0x7f3c6be997c9 [ 1690.579713] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1690.587393] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1690.594642] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1690.601886] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1690.609131] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1690.616374] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000039 executing program [ 1690.658804] FAULT_INJECTION: forcing a failure. [ 1690.658804] name failslab, interval 1, probability 0, space 0, times 0 [ 1690.670685] BTRFS info (device loop1): disabling disk space caching [ 1690.679698] BTRFS info (device loop1): has skinny extents [ 1690.698768] CPU: 0 PID: 12372 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1690.706747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1690.716092] Call Trace: [ 1690.718674] dump_stack+0x1b2/0x281 [ 1690.722298] should_fail.cold+0x10a/0x149 [ 1690.726442] ? sync_fs_one_sb+0xb1/0xe0 [ 1690.730416] should_failslab+0xd6/0x130 [ 1690.734390] kmem_cache_alloc_node+0x54/0x410 [ 1690.738883] create_task_io_context+0x2a/0x3c0 [ 1690.743453] generic_make_request_checks+0x1350/0x19f0 [ 1690.748708] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1690.753095] ? flush_workqueue+0x129/0x1310 [ 1690.757399] ? flush_workqueue+0x49b/0x1310 [ 1690.761703] generic_make_request+0x67/0x850 [ 1690.766092] ? mempool_alloc+0x10e/0x2d0 [ 1690.770141] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1690.775564] ? blk_queue_exit+0x1d0/0x1d0 [ 1690.779687] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1690.784677] ? kmem_cache_alloc+0x35f/0x3c0 [ 1690.788977] submit_bio+0x234/0x390 [ 1690.792578] ? generic_make_request+0x850/0x850 [ 1690.797232] ? __lockdep_init_map+0x100/0x560 [ 1690.801731] ? __lockdep_init_map+0x100/0x560 [ 1690.806212] submit_bio_wait+0xe8/0x140 [ 1690.810170] ? submit_bio_wait_endio+0xb0/0xb0 [ 1690.814732] blkdev_issue_flush+0x218/0x320 [ 1690.819032] ext4_sync_fs+0x46f/0x7e0 [ 1690.822809] ? bdev_try_to_free_page+0x150/0x150 [ 1690.827541] ? iterate_supers+0xda/0x490 [ 1690.831581] ? bdev_try_to_free_page+0x150/0x150 [ 1690.836318] ? vfs_fsync_range+0x260/0x260 [ 1690.840536] sync_fs_one_sb+0xb1/0xe0 [ 1690.844312] iterate_supers+0x124/0x490 [ 1690.848263] sys_sync+0x9a/0x130 [ 1690.851605] ? vfs_fsync+0x210/0x210 [ 1690.855301] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1690.860300] ? vfs_fsync+0x210/0x210 [ 1690.863991] do_syscall_64+0x1d5/0x640 [ 1690.867859] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1690.873026] RIP: 0033:0x7f3c6be997c9 [ 1690.876717] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1690.884408] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1690.891652] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1690.898904] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 executing program [ 1690.903683] BTRFS info (device loop1): checking UUID tree [ 1690.906153] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1690.906158] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000048 [ 1690.928360] BTRFS warning (device loop1): btrfs_uuid_scan_kthread failed -28 executing program executing program [ 1691.029535] FAULT_INJECTION: forcing a failure. [ 1691.029535] name failslab, interval 1, probability 0, space 0, times 0 [ 1691.029666] FAULT_INJECTION: forcing a failure. [ 1691.029666] name failslab, interval 1, probability 0, space 0, times 0 [ 1691.040942] FAULT_INJECTION: forcing a failure. [ 1691.040942] name failslab, interval 1, probability 0, space 0, times 0 [ 1691.053057] CPU: 1 PID: 12421 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1691.063428] FAULT_INJECTION: forcing a failure. [ 1691.063428] name failslab, interval 1, probability 0, space 0, times 0 [ 1691.071178] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1691.071183] Call Trace: [ 1691.071197] dump_stack+0x1b2/0x281 [ 1691.071209] should_fail.cold+0x10a/0x149 [ 1691.071218] ? lock_downgrade+0x740/0x740 [ 1691.071233] ? mempool_free+0x1d0/0x1d0 [ 1691.071240] should_failslab+0xd6/0x130 [ 1691.071252] kmem_cache_alloc+0x40/0x3c0 [ 1691.118105] ? mempool_free+0x1d0/0x1d0 [ 1691.122059] mempool_alloc+0x10e/0x2d0 [ 1691.125944] ? remove_element.isra.0+0x1b0/0x1b0 [ 1691.130679] ? flush_workqueue+0x40e/0x1310 [ 1691.134984] ? check_preemption_disabled+0x35/0x240 [ 1691.139999] bio_alloc_bioset+0x41b/0x830 [ 1691.144144] ? bvec_alloc+0x2d0/0x2d0 [ 1691.147929] blkdev_issue_flush+0xeb/0x320 [ 1691.152148] ext4_sync_fs+0x46f/0x7e0 [ 1691.155934] ? bdev_try_to_free_page+0x150/0x150 [ 1691.160674] ? iterate_supers+0xda/0x490 [ 1691.164717] ? bdev_try_to_free_page+0x150/0x150 [ 1691.169453] ? vfs_fsync_range+0x260/0x260 [ 1691.173666] sync_fs_one_sb+0xb1/0xe0 [ 1691.177445] iterate_supers+0x124/0x490 [ 1691.181425] sys_sync+0x9a/0x130 [ 1691.184773] ? vfs_fsync+0x210/0x210 [ 1691.188470] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1691.193471] ? vfs_fsync+0x210/0x210 [ 1691.197173] do_syscall_64+0x1d5/0x640 [ 1691.201052] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1691.206224] RIP: 0033:0x7f3c6be997c9 [ 1691.209923] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1691.217608] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1691.224858] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1691.232115] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1691.239371] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1691.246628] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000039 [ 1691.253897] CPU: 0 PID: 12425 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1691.261876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1691.271225] Call Trace: [ 1691.273807] dump_stack+0x1b2/0x281 [ 1691.277415] should_fail.cold+0x10a/0x149 [ 1691.281541] ? lock_downgrade+0x740/0x740 [ 1691.285668] ? mempool_free+0x1d0/0x1d0 [ 1691.289624] should_failslab+0xd6/0x130 [ 1691.293599] kmem_cache_alloc+0x40/0x3c0 [ 1691.297645] ? mempool_free+0x1d0/0x1d0 [ 1691.301595] mempool_alloc+0x10e/0x2d0 [ 1691.305471] ? remove_element.isra.0+0x1b0/0x1b0 [ 1691.310208] ? flush_workqueue+0x40e/0x1310 [ 1691.314514] ? check_preemption_disabled+0x35/0x240 [ 1691.319513] bio_alloc_bioset+0x41b/0x830 [ 1691.323641] ? bvec_alloc+0x2d0/0x2d0 [ 1691.327423] blkdev_issue_flush+0xeb/0x320 [ 1691.331638] ext4_sync_fs+0x46f/0x7e0 [ 1691.335417] ? bdev_try_to_free_page+0x150/0x150 [ 1691.340151] ? iterate_supers+0xda/0x490 [ 1691.344195] ? bdev_try_to_free_page+0x150/0x150 [ 1691.348933] ? vfs_fsync_range+0x260/0x260 [ 1691.353163] sync_fs_one_sb+0xb1/0xe0 [ 1691.356943] iterate_supers+0x124/0x490 [ 1691.360899] sys_sync+0x9a/0x130 [ 1691.364247] ? vfs_fsync+0x210/0x210 [ 1691.367944] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1691.372946] ? vfs_fsync+0x210/0x210 [ 1691.376638] do_syscall_64+0x1d5/0x640 [ 1691.380507] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1691.385675] RIP: 0033:0x7f3c6be997c9 [ 1691.389366] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1691.397052] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1691.404300] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1691.411551] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1691.418796] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1691.426047] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000003a [ 1691.449095] CPU: 0 PID: 12426 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1691.457068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1691.466407] Call Trace: [ 1691.468989] dump_stack+0x1b2/0x281 [ 1691.472613] should_fail.cold+0x10a/0x149 [ 1691.476760] ? sync_fs_one_sb+0xb1/0xe0 [ 1691.480718] should_failslab+0xd6/0x130 [ 1691.484675] kmem_cache_alloc_node+0x54/0x410 [ 1691.489152] create_task_io_context+0x2a/0x3c0 [ 1691.493715] generic_make_request_checks+0x1350/0x19f0 [ 1691.498971] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1691.503358] ? flush_workqueue+0x129/0x1310 [ 1691.507658] ? flush_workqueue+0x49b/0x1310 [ 1691.511962] generic_make_request+0x67/0x850 [ 1691.516350] ? mempool_alloc+0x10e/0x2d0 [ 1691.520391] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1691.525819] ? blk_queue_exit+0x1d0/0x1d0 [ 1691.529943] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1691.534935] ? kmem_cache_alloc+0x35f/0x3c0 [ 1691.539238] submit_bio+0x234/0x390 [ 1691.542845] ? generic_make_request+0x850/0x850 [ 1691.547503] ? __lockdep_init_map+0x100/0x560 [ 1691.551977] ? __lockdep_init_map+0x100/0x560 [ 1691.556451] submit_bio_wait+0xe8/0x140 [ 1691.560405] ? submit_bio_wait_endio+0xb0/0xb0 [ 1691.564974] blkdev_issue_flush+0x218/0x320 [ 1691.569277] ext4_sync_fs+0x46f/0x7e0 [ 1691.573056] ? bdev_try_to_free_page+0x150/0x150 [ 1691.577789] ? iterate_supers+0xda/0x490 [ 1691.581828] ? bdev_try_to_free_page+0x150/0x150 [ 1691.586561] ? vfs_fsync_range+0x260/0x260 [ 1691.590772] sync_fs_one_sb+0xb1/0xe0 [ 1691.594554] iterate_supers+0x124/0x490 [ 1691.598509] sys_sync+0x9a/0x130 [ 1691.601853] ? vfs_fsync+0x210/0x210 [ 1691.605548] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1691.610552] ? vfs_fsync+0x210/0x210 [ 1691.614245] do_syscall_64+0x1d5/0x640 [ 1691.618116] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1691.623283] RIP: 0033:0x7f3c6be997c9 [ 1691.626986] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1691.634674] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1691.641925] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1691.649174] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1691.656423] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1691.663669] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000049 executing program [ 1691.677611] CPU: 0 PID: 12393 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1691.677616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1691.677619] Call Trace: [ 1691.677630] dump_stack+0x1b2/0x281 [ 1691.677642] should_fail.cold+0x10a/0x149 [ 1691.677650] ? sync_fs_one_sb+0xb1/0xe0 [ 1691.677660] should_failslab+0xd6/0x130 [ 1691.677670] kmem_cache_alloc_node+0x54/0x410 [ 1691.677702] create_task_io_context+0x2a/0x3c0 [ 1691.677715] generic_make_request_checks+0x1350/0x19f0 [ 1691.677728] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1691.677736] ? flush_workqueue+0x129/0x1310 [ 1691.677742] ? flush_workqueue+0x49b/0x1310 [ 1691.677750] generic_make_request+0x67/0x850 [ 1691.677759] ? mempool_alloc+0x10e/0x2d0 [ 1691.677767] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1691.677774] ? blk_queue_exit+0x1d0/0x1d0 [ 1691.677782] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1691.677788] ? kmem_cache_alloc+0x35f/0x3c0 [ 1691.677798] submit_bio+0x234/0x390 [ 1691.677805] ? generic_make_request+0x850/0x850 [ 1691.677812] ? __lockdep_init_map+0x100/0x560 [ 1691.677819] ? __lockdep_init_map+0x100/0x560 [ 1691.677830] submit_bio_wait+0xe8/0x140 [ 1691.677839] ? submit_bio_wait_endio+0xb0/0xb0 [ 1691.677856] blkdev_issue_flush+0x218/0x320 [ 1691.677866] ext4_sync_fs+0x46f/0x7e0 [ 1691.677875] ? bdev_try_to_free_page+0x150/0x150 [ 1691.677882] ? iterate_supers+0xda/0x490 [ 1691.677891] ? bdev_try_to_free_page+0x150/0x150 [ 1691.677898] ? vfs_fsync_range+0x260/0x260 [ 1691.677906] sync_fs_one_sb+0xb1/0xe0 [ 1691.677913] iterate_supers+0x124/0x490 [ 1691.677924] sys_sync+0x9a/0x130 [ 1691.677931] ? vfs_fsync+0x210/0x210 [ 1691.677943] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1691.677949] ? vfs_fsync+0x210/0x210 [ 1691.677957] do_syscall_64+0x1d5/0x640 [ 1691.677969] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1691.677975] RIP: 0033:0x7f3c6be997c9 [ 1691.677979] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1691.677987] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1691.677991] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1691.677995] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 executing program [ 1691.677999] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1691.678003] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000003c [ 1691.772288] FAULT_INJECTION: forcing a failure. [ 1691.772288] name failslab, interval 1, probability 0, space 0, times 0 [ 1691.962780] CPU: 0 PID: 12435 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1691.970747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1691.980090] Call Trace: [ 1691.982680] dump_stack+0x1b2/0x281 [ 1691.986311] should_fail.cold+0x10a/0x149 executing program [ 1691.990455] ? sync_fs_one_sb+0xb1/0xe0 [ 1691.994418] should_failslab+0xd6/0x130 [ 1691.998376] kmem_cache_alloc_node+0x54/0x410 [ 1692.002857] create_task_io_context+0x2a/0x3c0 [ 1692.007414] generic_make_request_checks+0x1350/0x19f0 [ 1692.012670] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1692.017060] ? flush_workqueue+0x129/0x1310 [ 1692.021362] ? flush_workqueue+0x49b/0x1310 [ 1692.025683] generic_make_request+0x67/0x850 [ 1692.030067] ? mempool_alloc+0x10e/0x2d0 [ 1692.034112] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1692.039549] ? blk_queue_exit+0x1d0/0x1d0 [ 1692.043681] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1692.048673] ? kmem_cache_alloc+0x35f/0x3c0 [ 1692.052982] submit_bio+0x234/0x390 [ 1692.056604] ? generic_make_request+0x850/0x850 [ 1692.061273] ? __lockdep_init_map+0x100/0x560 [ 1692.065746] ? __lockdep_init_map+0x100/0x560 [ 1692.070221] submit_bio_wait+0xe8/0x140 [ 1692.074176] ? submit_bio_wait_endio+0xb0/0xb0 [ 1692.078755] blkdev_issue_flush+0x218/0x320 [ 1692.083060] ext4_sync_fs+0x46f/0x7e0 [ 1692.086840] ? bdev_try_to_free_page+0x150/0x150 [ 1692.091578] ? iterate_supers+0xda/0x490 [ 1692.095623] ? bdev_try_to_free_page+0x150/0x150 [ 1692.100354] ? vfs_fsync_range+0x260/0x260 [ 1692.104565] sync_fs_one_sb+0xb1/0xe0 [ 1692.108348] iterate_supers+0x124/0x490 [ 1692.112306] sys_sync+0x9a/0x130 [ 1692.115654] ? vfs_fsync+0x210/0x210 [ 1692.119351] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1692.124352] ? vfs_fsync+0x210/0x210 [ 1692.128041] do_syscall_64+0x1d5/0x640 [ 1692.131908] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1692.137077] RIP: 0033:0x7f3c6be997c9 [ 1692.140773] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1692.148453] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1692.155699] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1692.162948] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1692.170195] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1692.177447] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000005b [ 1692.257372] FAULT_INJECTION: forcing a failure. [ 1692.257372] name failslab, interval 1, probability 0, space 0, times 0 [ 1692.268769] FAULT_INJECTION: forcing a failure. [ 1692.268769] name failslab, interval 1, probability 0, space 0, times 0 [ 1692.268779] CPU: 0 PID: 12452 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1692.268784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1692.268788] Call Trace: [ 1692.268800] dump_stack+0x1b2/0x281 [ 1692.268814] should_fail.cold+0x10a/0x149 [ 1692.307594] should_failslab+0xd6/0x130 [ 1692.311549] kmem_cache_alloc+0x28e/0x3c0 [ 1692.315746] start_transaction+0x27c/0xf30 [ 1692.319971] ? vfs_fsync_range+0x260/0x260 [ 1692.324192] btrfs_attach_transaction_barrier+0x22/0x80 [ 1692.329548] btrfs_sync_fs+0xcd/0x430 [ 1692.333329] ? btrfs_freeze+0xb0/0xb0 [ 1692.337115] ? vfs_fsync_range+0x260/0x260 [ 1692.341327] sync_fs_one_sb+0xb1/0xe0 [ 1692.345111] iterate_supers+0x124/0x490 [ 1692.349071] sys_sync+0x9a/0x130 [ 1692.352419] ? vfs_fsync+0x210/0x210 [ 1692.356117] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1692.361113] ? vfs_fsync+0x210/0x210 [ 1692.364809] do_syscall_64+0x1d5/0x640 [ 1692.368701] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1692.373871] RIP: 0033:0x7f3c6be997c9 [ 1692.377559] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1692.385248] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1692.392496] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1692.399744] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1692.406992] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1692.414240] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000039 [ 1692.421501] CPU: 1 PID: 12449 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1692.429470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1692.438822] Call Trace: [ 1692.441397] dump_stack+0x1b2/0x281 [ 1692.445006] should_fail.cold+0x10a/0x149 [ 1692.449133] ? sync_fs_one_sb+0xb1/0xe0 [ 1692.453086] should_failslab+0xd6/0x130 [ 1692.457040] kmem_cache_alloc_node+0x54/0x410 [ 1692.461517] create_task_io_context+0x2a/0x3c0 [ 1692.466076] generic_make_request_checks+0x1350/0x19f0 [ 1692.471332] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1692.475719] ? flush_workqueue+0x129/0x1310 [ 1692.480025] ? flush_workqueue+0x49b/0x1310 [ 1692.484327] generic_make_request+0x67/0x850 [ 1692.488715] ? mempool_alloc+0x10e/0x2d0 [ 1692.492759] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1692.498185] ? blk_queue_exit+0x1d0/0x1d0 [ 1692.502312] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1692.507310] ? kmem_cache_alloc+0x35f/0x3c0 [ 1692.511611] submit_bio+0x234/0x390 [ 1692.515216] ? generic_make_request+0x850/0x850 [ 1692.519862] ? __lockdep_init_map+0x100/0x560 [ 1692.524342] ? __lockdep_init_map+0x100/0x560 [ 1692.528818] submit_bio_wait+0xe8/0x140 [ 1692.532772] ? submit_bio_wait_endio+0xb0/0xb0 [ 1692.537338] blkdev_issue_flush+0x218/0x320 [ 1692.541648] ext4_sync_fs+0x46f/0x7e0 [ 1692.545444] ? bdev_try_to_free_page+0x150/0x150 [ 1692.550179] ? iterate_supers+0xda/0x490 [ 1692.554219] ? bdev_try_to_free_page+0x150/0x150 [ 1692.558954] ? vfs_fsync_range+0x260/0x260 [ 1692.563169] sync_fs_one_sb+0xb1/0xe0 [ 1692.566947] iterate_supers+0x124/0x490 [ 1692.570914] sys_sync+0x9a/0x130 [ 1692.574258] ? vfs_fsync+0x210/0x210 [ 1692.577954] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1692.582949] ? vfs_fsync+0x210/0x210 [ 1692.586643] do_syscall_64+0x1d5/0x640 [ 1692.590512] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1692.595693] RIP: 0033:0x7f3c6be997c9 [ 1692.599385] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 executing program executing program [ 1692.607070] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1692.614316] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1692.621562] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1692.628816] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1692.636062] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000004a executing program executing program [ 1692.759545] FAULT_INJECTION: forcing a failure. [ 1692.759545] name failslab, interval 1, probability 0, space 0, times 0 [ 1692.771370] FAULT_INJECTION: forcing a failure. [ 1692.771370] name failslab, interval 1, probability 0, space 0, times 0 [ 1692.783611] FAULT_INJECTION: forcing a failure. [ 1692.783611] name failslab, interval 1, probability 0, space 0, times 0 [ 1692.784032] CPU: 1 PID: 12464 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1692.802741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1692.812072] Call Trace: [ 1692.814651] dump_stack+0x1b2/0x281 [ 1692.818265] should_fail.cold+0x10a/0x149 [ 1692.822397] ? sync_fs_one_sb+0xb1/0xe0 [ 1692.826351] should_failslab+0xd6/0x130 [ 1692.830306] kmem_cache_alloc_node+0x54/0x410 [ 1692.834805] create_task_io_context+0x2a/0x3c0 [ 1692.839368] generic_make_request_checks+0x1350/0x19f0 [ 1692.844631] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1692.849022] ? flush_workqueue+0x129/0x1310 [ 1692.853325] ? flush_workqueue+0x49b/0x1310 [ 1692.857637] generic_make_request+0x67/0x850 [ 1692.862024] ? mempool_alloc+0x10e/0x2d0 [ 1692.866070] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1692.871517] ? blk_queue_exit+0x1d0/0x1d0 [ 1692.875648] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1692.880661] ? kmem_cache_alloc+0x35f/0x3c0 [ 1692.884962] submit_bio+0x234/0x390 [ 1692.888566] ? generic_make_request+0x850/0x850 [ 1692.893219] ? __lockdep_init_map+0x100/0x560 [ 1692.897697] ? __lockdep_init_map+0x100/0x560 [ 1692.902176] submit_bio_wait+0xe8/0x140 [ 1692.906136] ? submit_bio_wait_endio+0xb0/0xb0 [ 1692.910712] blkdev_issue_flush+0x218/0x320 [ 1692.915017] ext4_sync_fs+0x46f/0x7e0 [ 1692.918892] ? bdev_try_to_free_page+0x150/0x150 [ 1692.923625] ? iterate_supers+0xda/0x490 [ 1692.927670] ? bdev_try_to_free_page+0x150/0x150 [ 1692.932405] ? vfs_fsync_range+0x260/0x260 [ 1692.936619] sync_fs_one_sb+0xb1/0xe0 [ 1692.940400] iterate_supers+0x124/0x490 [ 1692.944353] sys_sync+0x9a/0x130 [ 1692.947704] ? vfs_fsync+0x210/0x210 [ 1692.951398] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1692.956390] ? vfs_fsync+0x210/0x210 [ 1692.960083] do_syscall_64+0x1d5/0x640 [ 1692.963967] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1692.969135] RIP: 0033:0x7f3c6be997c9 [ 1692.972825] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1692.980514] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1692.987767] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1692.995014] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1693.002263] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1693.009510] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000003a [ 1693.016767] CPU: 0 PID: 12463 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1693.024728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1693.034069] Call Trace: [ 1693.036676] dump_stack+0x1b2/0x281 [ 1693.040296] should_fail.cold+0x10a/0x149 [ 1693.044427] ? sync_fs_one_sb+0xb1/0xe0 [ 1693.048384] should_failslab+0xd6/0x130 [ 1693.052341] kmem_cache_alloc_node+0x54/0x410 [ 1693.056821] create_task_io_context+0x2a/0x3c0 [ 1693.061386] generic_make_request_checks+0x1350/0x19f0 [ 1693.066651] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1693.071049] ? flush_workqueue+0x129/0x1310 [ 1693.075354] ? flush_workqueue+0x49b/0x1310 [ 1693.079660] generic_make_request+0x67/0x850 [ 1693.084047] ? mempool_alloc+0x10e/0x2d0 [ 1693.088084] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1693.093512] ? blk_queue_exit+0x1d0/0x1d0 [ 1693.097648] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1693.102646] ? kmem_cache_alloc+0x35f/0x3c0 [ 1693.106953] submit_bio+0x234/0x390 [ 1693.110646] ? generic_make_request+0x850/0x850 [ 1693.115293] ? __lockdep_init_map+0x100/0x560 [ 1693.119766] ? __lockdep_init_map+0x100/0x560 [ 1693.124246] submit_bio_wait+0xe8/0x140 [ 1693.128200] ? submit_bio_wait_endio+0xb0/0xb0 [ 1693.132767] blkdev_issue_flush+0x218/0x320 [ 1693.137070] ext4_sync_fs+0x46f/0x7e0 [ 1693.140851] ? bdev_try_to_free_page+0x150/0x150 [ 1693.145602] ? iterate_supers+0xda/0x490 [ 1693.149650] ? bdev_try_to_free_page+0x150/0x150 [ 1693.154386] ? vfs_fsync_range+0x260/0x260 [ 1693.158598] sync_fs_one_sb+0xb1/0xe0 [ 1693.162378] iterate_supers+0x124/0x490 [ 1693.166334] sys_sync+0x9a/0x130 [ 1693.169681] ? vfs_fsync+0x210/0x210 [ 1693.173376] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1693.178371] ? vfs_fsync+0x210/0x210 [ 1693.182064] do_syscall_64+0x1d5/0x640 [ 1693.185943] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1693.191115] RIP: 0033:0x7f3c6be997c9 [ 1693.194806] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1693.202496] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1693.209745] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1693.216995] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1693.224242] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1693.231502] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000003b [ 1693.238779] CPU: 1 PID: 12466 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1693.246021] FAULT_INJECTION: forcing a failure. [ 1693.246021] name failslab, interval 1, probability 0, space 0, times 0 [ 1693.246742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1693.267239] Call Trace: [ 1693.269824] dump_stack+0x1b2/0x281 [ 1693.273448] should_fail.cold+0x10a/0x149 [ 1693.277591] ? sync_fs_one_sb+0xb1/0xe0 [ 1693.281562] should_failslab+0xd6/0x130 [ 1693.285525] kmem_cache_alloc_node+0x54/0x410 [ 1693.290012] create_task_io_context+0x2a/0x3c0 [ 1693.294586] generic_make_request_checks+0x1350/0x19f0 [ 1693.299859] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1693.304259] ? flush_workqueue+0x129/0x1310 [ 1693.308612] ? flush_workqueue+0x49b/0x1310 [ 1693.312927] generic_make_request+0x67/0x850 [ 1693.317326] ? mempool_alloc+0x10e/0x2d0 [ 1693.321379] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1693.326815] ? blk_queue_exit+0x1d0/0x1d0 [ 1693.330945] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1693.335944] ? kmem_cache_alloc+0x35f/0x3c0 [ 1693.340248] submit_bio+0x234/0x390 [ 1693.343854] ? generic_make_request+0x850/0x850 [ 1693.348501] ? __lockdep_init_map+0x100/0x560 [ 1693.352973] ? __lockdep_init_map+0x100/0x560 [ 1693.357448] submit_bio_wait+0xe8/0x140 [ 1693.361401] ? submit_bio_wait_endio+0xb0/0xb0 [ 1693.365966] blkdev_issue_flush+0x218/0x320 [ 1693.370269] ext4_sync_fs+0x46f/0x7e0 [ 1693.374051] ? bdev_try_to_free_page+0x150/0x150 [ 1693.378786] ? iterate_supers+0xda/0x490 [ 1693.382827] ? bdev_try_to_free_page+0x150/0x150 [ 1693.387576] ? vfs_fsync_range+0x260/0x260 [ 1693.391790] sync_fs_one_sb+0xb1/0xe0 [ 1693.395573] iterate_supers+0x124/0x490 [ 1693.399527] sys_sync+0x9a/0x130 [ 1693.402871] ? vfs_fsync+0x210/0x210 [ 1693.406569] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1693.411564] ? vfs_fsync+0x210/0x210 [ 1693.415257] do_syscall_64+0x1d5/0x640 [ 1693.419125] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1693.424293] RIP: 0033:0x7f3c6be997c9 [ 1693.427984] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1693.435675] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1693.442924] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1693.450175] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1693.457438] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1693.464688] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000003d [ 1693.471948] CPU: 0 PID: 12472 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1693.479906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1693.489244] Call Trace: [ 1693.491812] dump_stack+0x1b2/0x281 [ 1693.495420] should_fail.cold+0x10a/0x149 [ 1693.499551] should_failslab+0xd6/0x130 [ 1693.503504] kmem_cache_alloc+0x28e/0x3c0 [ 1693.507633] start_transaction+0x27c/0xf30 [ 1693.511874] ? vfs_fsync_range+0x260/0x260 [ 1693.516089] btrfs_attach_transaction_barrier+0x22/0x80 [ 1693.521431] btrfs_sync_fs+0xcd/0x430 [ 1693.525209] ? btrfs_freeze+0xb0/0xb0 [ 1693.528986] ? vfs_fsync_range+0x260/0x260 [ 1693.533196] sync_fs_one_sb+0xb1/0xe0 [ 1693.536973] iterate_supers+0x124/0x490 [ 1693.540925] sys_sync+0x9a/0x130 [ 1693.544269] ? vfs_fsync+0x210/0x210 [ 1693.547962] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1693.552957] ? vfs_fsync+0x210/0x210 [ 1693.556667] do_syscall_64+0x1d5/0x640 [ 1693.560541] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1693.565722] RIP: 0033:0x7f3c6be997c9 [ 1693.569410] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1693.577095] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1693.584356] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1693.591614] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1693.598875] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 executing program [ 1693.606125] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000004b executing program executing program [ 1693.688735] FAULT_INJECTION: forcing a failure. [ 1693.688735] name failslab, interval 1, probability 0, space 0, times 0 [ 1693.699645] FAULT_INJECTION: forcing a failure. [ 1693.699645] name failslab, interval 1, probability 0, space 0, times 0 [ 1693.708619] CPU: 0 PID: 12477 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1693.719186] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1693.728525] Call Trace: [ 1693.731097] dump_stack+0x1b2/0x281 [ 1693.734707] should_fail.cold+0x10a/0x149 [ 1693.738837] ? sync_fs_one_sb+0xb1/0xe0 [ 1693.742797] should_failslab+0xd6/0x130 [ 1693.746756] kmem_cache_alloc_node+0x54/0x410 [ 1693.751238] create_task_io_context+0x2a/0x3c0 [ 1693.755818] generic_make_request_checks+0x1350/0x19f0 [ 1693.761077] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1693.765465] ? flush_workqueue+0x129/0x1310 [ 1693.769766] ? flush_workqueue+0x49b/0x1310 [ 1693.774067] generic_make_request+0x67/0x850 [ 1693.778455] ? mempool_alloc+0x10e/0x2d0 [ 1693.782495] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1693.787925] ? blk_queue_exit+0x1d0/0x1d0 [ 1693.792051] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1693.797049] ? kmem_cache_alloc+0x35f/0x3c0 [ 1693.801358] submit_bio+0x234/0x390 [ 1693.804969] ? generic_make_request+0x850/0x850 [ 1693.809638] ? __lockdep_init_map+0x100/0x560 [ 1693.814112] ? __lockdep_init_map+0x100/0x560 [ 1693.818612] submit_bio_wait+0xe8/0x140 [ 1693.822565] ? submit_bio_wait_endio+0xb0/0xb0 [ 1693.827139] blkdev_issue_flush+0x218/0x320 [ 1693.831447] ext4_sync_fs+0x46f/0x7e0 [ 1693.835227] ? bdev_try_to_free_page+0x150/0x150 [ 1693.839959] ? iterate_supers+0xda/0x490 [ 1693.844005] ? bdev_try_to_free_page+0x150/0x150 [ 1693.848746] ? vfs_fsync_range+0x260/0x260 [ 1693.852961] sync_fs_one_sb+0xb1/0xe0 [ 1693.856743] iterate_supers+0x124/0x490 [ 1693.860703] sys_sync+0x9a/0x130 [ 1693.864067] ? vfs_fsync+0x210/0x210 [ 1693.867773] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1693.872784] ? vfs_fsync+0x210/0x210 [ 1693.876491] do_syscall_64+0x1d5/0x640 [ 1693.880379] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1693.885555] RIP: 0033:0x7f3c6be997c9 [ 1693.889251] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1693.896950] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1693.904207] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1693.911493] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1693.918752] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1693.926006] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000003a [ 1693.933272] CPU: 1 PID: 12484 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1693.941236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1693.950579] Call Trace: [ 1693.953160] dump_stack+0x1b2/0x281 [ 1693.956789] should_fail.cold+0x10a/0x149 [ 1693.960932] should_failslab+0xd6/0x130 [ 1693.964904] kmem_cache_alloc+0x28e/0x3c0 [ 1693.969045] start_transaction+0x27c/0xf30 [ 1693.973279] ? vfs_fsync_range+0x260/0x260 [ 1693.977510] btrfs_attach_transaction_barrier+0x22/0x80 [ 1693.982868] btrfs_sync_fs+0xcd/0x430 [ 1693.986658] ? btrfs_freeze+0xb0/0xb0 [ 1693.990451] ? vfs_fsync_range+0x260/0x260 [ 1693.994675] sync_fs_one_sb+0xb1/0xe0 [ 1693.998453] iterate_supers+0x124/0x490 [ 1694.002415] sys_sync+0x9a/0x130 [ 1694.005756] ? vfs_fsync+0x210/0x210 [ 1694.009447] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1694.014436] ? vfs_fsync+0x210/0x210 [ 1694.018125] do_syscall_64+0x1d5/0x640 [ 1694.021990] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1694.027170] RIP: 0033:0x7f3c6be997c9 [ 1694.030856] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 executing program [ 1694.038543] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1694.045785] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1694.053054] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1694.060306] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1694.067557] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000004c executing program [ 1694.119853] FAULT_INJECTION: forcing a failure. [ 1694.119853] name failslab, interval 1, probability 0, space 0, times 0 [ 1694.147684] CPU: 1 PID: 12486 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1694.155659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1694.165005] Call Trace: [ 1694.167587] dump_stack+0x1b2/0x281 [ 1694.171219] should_fail.cold+0x10a/0x149 [ 1694.175361] ? sync_fs_one_sb+0xb1/0xe0 [ 1694.179330] should_failslab+0xd6/0x130 [ 1694.183301] kmem_cache_alloc_node+0x54/0x410 [ 1694.187791] create_task_io_context+0x2a/0x3c0 [ 1694.192370] generic_make_request_checks+0x1350/0x19f0 [ 1694.197635] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1694.202020] ? flush_workqueue+0x129/0x1310 [ 1694.206313] ? flush_workqueue+0x49b/0x1310 [ 1694.210609] generic_make_request+0x67/0x850 [ 1694.214990] ? mempool_alloc+0x10e/0x2d0 [ 1694.219025] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1694.224450] ? blk_queue_exit+0x1d0/0x1d0 [ 1694.228575] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1694.233569] ? kmem_cache_alloc+0x35f/0x3c0 [ 1694.237865] submit_bio+0x234/0x390 [ 1694.241469] ? generic_make_request+0x850/0x850 [ 1694.246111] ? __lockdep_init_map+0x100/0x560 [ 1694.250588] ? __lockdep_init_map+0x100/0x560 [ 1694.255060] submit_bio_wait+0xe8/0x140 [ 1694.259025] ? submit_bio_wait_endio+0xb0/0xb0 [ 1694.263586] blkdev_issue_flush+0x218/0x320 [ 1694.267881] ext4_sync_fs+0x46f/0x7e0 [ 1694.271655] ? bdev_try_to_free_page+0x150/0x150 [ 1694.276383] ? iterate_supers+0xda/0x490 [ 1694.280417] ? bdev_try_to_free_page+0x150/0x150 [ 1694.285147] ? vfs_fsync_range+0x260/0x260 [ 1694.289368] sync_fs_one_sb+0xb1/0xe0 [ 1694.293142] iterate_supers+0x124/0x490 [ 1694.297089] sys_sync+0x9a/0x130 [ 1694.300430] ? vfs_fsync+0x210/0x210 [ 1694.304124] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1694.309125] ? vfs_fsync+0x210/0x210 [ 1694.312812] do_syscall_64+0x1d5/0x640 [ 1694.316677] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1694.321846] RIP: 0033:0x7f3c6be997c9 [ 1694.325531] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1694.333210] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1694.340457] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1694.347703] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1694.354982] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1694.362227] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000005c executing program [ 1694.426424] FAULT_INJECTION: forcing a failure. [ 1694.426424] name failslab, interval 1, probability 0, space 0, times 0 [ 1694.439615] FAULT_INJECTION: forcing a failure. [ 1694.439615] name failslab, interval 1, probability 0, space 0, times 0 [ 1694.462725] CPU: 1 PID: 12493 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1694.470701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1694.480046] Call Trace: [ 1694.482630] dump_stack+0x1b2/0x281 [ 1694.486259] should_fail.cold+0x10a/0x149 [ 1694.490405] ? sync_fs_one_sb+0xb1/0xe0 [ 1694.494385] should_failslab+0xd6/0x130 [ 1694.498352] kmem_cache_alloc_node+0x54/0x410 [ 1694.502852] create_task_io_context+0x2a/0x3c0 [ 1694.507414] generic_make_request_checks+0x1350/0x19f0 [ 1694.512672] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1694.517058] ? flush_workqueue+0x129/0x1310 [ 1694.521362] ? flush_workqueue+0x49b/0x1310 [ 1694.525665] generic_make_request+0x67/0x850 [ 1694.530078] ? mempool_alloc+0x10e/0x2d0 [ 1694.534117] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1694.539558] ? blk_queue_exit+0x1d0/0x1d0 [ 1694.543778] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1694.548774] ? kmem_cache_alloc+0x35f/0x3c0 [ 1694.553082] submit_bio+0x234/0x390 [ 1694.556697] ? generic_make_request+0x850/0x850 [ 1694.561345] ? __lockdep_init_map+0x100/0x560 [ 1694.565818] ? __lockdep_init_map+0x100/0x560 [ 1694.570316] submit_bio_wait+0xe8/0x140 [ 1694.574275] ? submit_bio_wait_endio+0xb0/0xb0 [ 1694.578856] blkdev_issue_flush+0x218/0x320 [ 1694.583156] ext4_sync_fs+0x46f/0x7e0 [ 1694.586940] ? bdev_try_to_free_page+0x150/0x150 [ 1694.591675] ? iterate_supers+0xda/0x490 [ 1694.595717] ? bdev_try_to_free_page+0x150/0x150 [ 1694.600457] ? vfs_fsync_range+0x260/0x260 [ 1694.604673] sync_fs_one_sb+0xb1/0xe0 [ 1694.608468] iterate_supers+0x124/0x490 [ 1694.612426] sys_sync+0x9a/0x130 [ 1694.615772] ? vfs_fsync+0x210/0x210 [ 1694.619466] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1694.624459] ? vfs_fsync+0x210/0x210 [ 1694.628147] do_syscall_64+0x1d5/0x640 [ 1694.632015] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1694.637181] RIP: 0033:0x7f3c6be997c9 [ 1694.640868] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1694.648578] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1694.655834] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1694.663091] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1694.670348] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1694.677607] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000004d [ 1694.697351] CPU: 1 PID: 12504 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1694.705326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1694.714671] Call Trace: [ 1694.717253] dump_stack+0x1b2/0x281 [ 1694.720884] should_fail.cold+0x10a/0x149 [ 1694.725028] ? sync_fs_one_sb+0xb1/0xe0 [ 1694.728997] should_failslab+0xd6/0x130 [ 1694.732966] kmem_cache_alloc_node+0x54/0x410 [ 1694.737464] create_task_io_context+0x2a/0x3c0 [ 1694.742044] generic_make_request_checks+0x1350/0x19f0 [ 1694.747322] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1694.751730] ? flush_workqueue+0x129/0x1310 [ 1694.756045] ? flush_workqueue+0x49b/0x1310 [ 1694.760365] generic_make_request+0x67/0x850 [ 1694.764768] ? mempool_alloc+0x10e/0x2d0 [ 1694.768822] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1694.774264] ? blk_queue_exit+0x1d0/0x1d0 [ 1694.778406] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1694.783416] ? kmem_cache_alloc+0x35f/0x3c0 [ 1694.787729] submit_bio+0x234/0x390 [ 1694.791330] ? generic_make_request+0x850/0x850 [ 1694.795990] ? __lockdep_init_map+0x100/0x560 [ 1694.800460] ? __lockdep_init_map+0x100/0x560 [ 1694.804946] submit_bio_wait+0xe8/0x140 [ 1694.808897] ? submit_bio_wait_endio+0xb0/0xb0 [ 1694.813459] blkdev_issue_flush+0x218/0x320 [ 1694.817758] ext4_sync_fs+0x46f/0x7e0 [ 1694.821553] ? bdev_try_to_free_page+0x150/0x150 [ 1694.826282] ? iterate_supers+0xda/0x490 [ 1694.830317] ? bdev_try_to_free_page+0x150/0x150 [ 1694.835064] ? vfs_fsync_range+0x260/0x260 [ 1694.839275] sync_fs_one_sb+0xb1/0xe0 [ 1694.843051] iterate_supers+0x124/0x490 [ 1694.847004] sys_sync+0x9a/0x130 [ 1694.850344] ? vfs_fsync+0x210/0x210 [ 1694.854033] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1694.859039] ? vfs_fsync+0x210/0x210 [ 1694.862726] do_syscall_64+0x1d5/0x640 [ 1694.866592] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1694.871758] RIP: 0033:0x7f3c6be997c9 [ 1694.875450] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1694.883133] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1694.890388] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1694.897633] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1694.904882] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1694.912127] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000003b executing program executing program [ 1694.934368] FAULT_INJECTION: forcing a failure. [ 1694.934368] name failslab, interval 1, probability 0, space 0, times 0 [ 1694.952637] FAULT_INJECTION: forcing a failure. [ 1694.952637] name failslab, interval 1, probability 0, space 0, times 0 executing program [ 1694.992801] CPU: 0 PID: 12509 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1695.000778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1695.010123] Call Trace: [ 1695.012706] dump_stack+0x1b2/0x281 [ 1695.016332] should_fail.cold+0x10a/0x149 [ 1695.020477] ? sync_fs_one_sb+0xb1/0xe0 [ 1695.024449] should_failslab+0xd6/0x130 [ 1695.026944] FAULT_INJECTION: forcing a failure. [ 1695.026944] name failslab, interval 1, probability 0, space 0, times 0 [ 1695.028418] kmem_cache_alloc_node+0x54/0x410 [ 1695.028430] create_task_io_context+0x2a/0x3c0 [ 1695.028440] generic_make_request_checks+0x1350/0x19f0 [ 1695.028451] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1695.058311] ? flush_workqueue+0x129/0x1310 [ 1695.062619] ? flush_workqueue+0x49b/0x1310 [ 1695.066930] generic_make_request+0x67/0x850 [ 1695.071319] ? mempool_alloc+0x10e/0x2d0 [ 1695.075359] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1695.080788] ? blk_queue_exit+0x1d0/0x1d0 [ 1695.084917] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1695.089923] ? kmem_cache_alloc+0x35f/0x3c0 [ 1695.094230] submit_bio+0x234/0x390 [ 1695.097836] ? generic_make_request+0x850/0x850 [ 1695.102484] ? __lockdep_init_map+0x100/0x560 [ 1695.106956] ? __lockdep_init_map+0x100/0x560 [ 1695.111434] submit_bio_wait+0xe8/0x140 [ 1695.115438] ? submit_bio_wait_endio+0xb0/0xb0 [ 1695.120005] blkdev_issue_flush+0x218/0x320 [ 1695.124305] ext4_sync_fs+0x46f/0x7e0 [ 1695.128089] ? bdev_try_to_free_page+0x150/0x150 [ 1695.132825] ? iterate_supers+0xda/0x490 [ 1695.136869] ? bdev_try_to_free_page+0x150/0x150 [ 1695.141606] ? vfs_fsync_range+0x260/0x260 [ 1695.145826] sync_fs_one_sb+0xb1/0xe0 [ 1695.149610] iterate_supers+0x124/0x490 [ 1695.153565] sys_sync+0x9a/0x130 [ 1695.156915] ? vfs_fsync+0x210/0x210 [ 1695.160626] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1695.165619] ? vfs_fsync+0x210/0x210 [ 1695.169310] do_syscall_64+0x1d5/0x640 [ 1695.173181] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1695.178350] RIP: 0033:0x7f3c6be997c9 [ 1695.182039] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1695.189740] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1695.197002] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1695.204249] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1695.211630] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1695.218893] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000003e [ 1695.226158] CPU: 1 PID: 12526 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1695.234122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1695.243480] Call Trace: [ 1695.246062] dump_stack+0x1b2/0x281 [ 1695.249699] should_fail.cold+0x10a/0x149 [ 1695.253827] ? sync_fs_one_sb+0xb1/0xe0 [ 1695.257784] should_failslab+0xd6/0x130 [ 1695.261742] kmem_cache_alloc_node+0x54/0x410 [ 1695.266217] create_task_io_context+0x2a/0x3c0 [ 1695.270776] generic_make_request_checks+0x1350/0x19f0 [ 1695.276032] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1695.280421] ? flush_workqueue+0x129/0x1310 [ 1695.284721] ? flush_workqueue+0x49b/0x1310 [ 1695.289022] generic_make_request+0x67/0x850 [ 1695.293412] ? mempool_alloc+0x10e/0x2d0 [ 1695.297452] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1695.302893] ? blk_queue_exit+0x1d0/0x1d0 [ 1695.307019] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1695.312013] ? kmem_cache_alloc+0x35f/0x3c0 [ 1695.316316] submit_bio+0x234/0x390 [ 1695.319922] ? generic_make_request+0x850/0x850 [ 1695.324573] ? __lockdep_init_map+0x100/0x560 [ 1695.329047] ? __lockdep_init_map+0x100/0x560 [ 1695.333526] submit_bio_wait+0xe8/0x140 [ 1695.337497] ? submit_bio_wait_endio+0xb0/0xb0 [ 1695.342068] blkdev_issue_flush+0x218/0x320 [ 1695.346373] ext4_sync_fs+0x46f/0x7e0 [ 1695.350155] ? bdev_try_to_free_page+0x150/0x150 [ 1695.354887] ? iterate_supers+0xda/0x490 [ 1695.358928] ? bdev_try_to_free_page+0x150/0x150 [ 1695.363662] ? vfs_fsync_range+0x260/0x260 [ 1695.367880] sync_fs_one_sb+0xb1/0xe0 [ 1695.371659] iterate_supers+0x124/0x490 [ 1695.375613] sys_sync+0x9a/0x130 [ 1695.378956] ? vfs_fsync+0x210/0x210 [ 1695.382653] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1695.387647] ? vfs_fsync+0x210/0x210 [ 1695.391339] do_syscall_64+0x1d5/0x640 [ 1695.395222] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1695.400392] RIP: 0033:0x7f3c6be997c9 [ 1695.404080] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1695.411770] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1695.419024] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1695.426273] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1695.433520] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1695.440769] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000003c [ 1695.448041] CPU: 0 PID: 12521 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1695.456004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1695.465344] Call Trace: [ 1695.467918] dump_stack+0x1b2/0x281 [ 1695.471528] should_fail.cold+0x10a/0x149 [ 1695.475655] ? sync_fs_one_sb+0xb1/0xe0 [ 1695.479630] should_failslab+0xd6/0x130 [ 1695.483584] kmem_cache_alloc_node+0x54/0x410 [ 1695.488060] create_task_io_context+0x2a/0x3c0 [ 1695.492623] generic_make_request_checks+0x1350/0x19f0 [ 1695.497906] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1695.502306] ? flush_workqueue+0x129/0x1310 [ 1695.506605] ? flush_workqueue+0x49b/0x1310 [ 1695.510906] generic_make_request+0x67/0x850 [ 1695.515293] ? mempool_alloc+0x10e/0x2d0 [ 1695.519333] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1695.524763] ? blk_queue_exit+0x1d0/0x1d0 [ 1695.528891] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1695.533887] ? kmem_cache_alloc+0x35f/0x3c0 [ 1695.538190] submit_bio+0x234/0x390 [ 1695.541797] ? generic_make_request+0x850/0x850 [ 1695.546458] ? __lockdep_init_map+0x100/0x560 [ 1695.550930] ? __lockdep_init_map+0x100/0x560 [ 1695.555408] submit_bio_wait+0xe8/0x140 [ 1695.559373] ? submit_bio_wait_endio+0xb0/0xb0 [ 1695.563953] blkdev_issue_flush+0x218/0x320 [ 1695.568253] ext4_sync_fs+0x46f/0x7e0 [ 1695.572030] ? bdev_try_to_free_page+0x150/0x150 [ 1695.576765] ? iterate_supers+0xda/0x490 [ 1695.580806] ? bdev_try_to_free_page+0x150/0x150 [ 1695.585541] ? vfs_fsync_range+0x260/0x260 [ 1695.589752] sync_fs_one_sb+0xb1/0xe0 [ 1695.593548] iterate_supers+0x124/0x490 [ 1695.597500] sys_sync+0x9a/0x130 [ 1695.600844] ? vfs_fsync+0x210/0x210 [ 1695.604538] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1695.609532] ? vfs_fsync+0x210/0x210 [ 1695.613224] do_syscall_64+0x1d5/0x640 [ 1695.617106] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1695.622274] RIP: 0033:0x7f3c6be997c9 [ 1695.625961] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1695.633648] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1695.640895] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1695.648142] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1695.655400] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1695.662646] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000003b executing program executing program [ 1695.709185] FAULT_INJECTION: forcing a failure. [ 1695.709185] name failslab, interval 1, probability 0, space 0, times 0 [ 1695.735990] CPU: 1 PID: 12530 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1695.743959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1695.753294] Call Trace: [ 1695.755862] dump_stack+0x1b2/0x281 [ 1695.759472] should_fail.cold+0x10a/0x149 [ 1695.763600] ? sync_fs_one_sb+0xb1/0xe0 [ 1695.767551] should_failslab+0xd6/0x130 [ 1695.771506] kmem_cache_alloc_node+0x54/0x410 [ 1695.775980] create_task_io_context+0x2a/0x3c0 [ 1695.780543] generic_make_request_checks+0x1350/0x19f0 [ 1695.785800] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1695.790187] ? flush_workqueue+0x129/0x1310 [ 1695.794486] ? flush_workqueue+0x49b/0x1310 [ 1695.798788] generic_make_request+0x67/0x850 [ 1695.803178] ? mempool_alloc+0x10e/0x2d0 [ 1695.807215] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1695.812642] ? blk_queue_exit+0x1d0/0x1d0 [ 1695.816770] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1695.821765] ? kmem_cache_alloc+0x35f/0x3c0 [ 1695.826064] submit_bio+0x234/0x390 [ 1695.829669] ? generic_make_request+0x850/0x850 [ 1695.834315] ? __lockdep_init_map+0x100/0x560 [ 1695.838791] ? __lockdep_init_map+0x100/0x560 [ 1695.843268] submit_bio_wait+0xe8/0x140 [ 1695.847222] ? submit_bio_wait_endio+0xb0/0xb0 [ 1695.851791] blkdev_issue_flush+0x218/0x320 [ 1695.856180] ext4_sync_fs+0x46f/0x7e0 [ 1695.859958] ? bdev_try_to_free_page+0x150/0x150 [ 1695.864691] ? iterate_supers+0xda/0x490 [ 1695.868731] ? bdev_try_to_free_page+0x150/0x150 [ 1695.873469] ? vfs_fsync_range+0x260/0x260 [ 1695.877682] sync_fs_one_sb+0xb1/0xe0 [ 1695.881460] iterate_supers+0x124/0x490 [ 1695.885412] sys_sync+0x9a/0x130 [ 1695.888756] ? vfs_fsync+0x210/0x210 [ 1695.892451] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1695.897445] ? vfs_fsync+0x210/0x210 [ 1695.901135] do_syscall_64+0x1d5/0x640 [ 1695.905001] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1695.910183] RIP: 0033:0x7f3c6be997c9 [ 1695.913871] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1695.921556] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1695.928803] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1695.936064] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1695.943314] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1695.950561] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000004e [ 1695.987759] FAULT_INJECTION: forcing a failure. [ 1695.987759] name failslab, interval 1, probability 0, space 0, times 0 [ 1696.004719] BTRFS info (device loop1): disabling disk space caching [ 1696.009857] CPU: 0 PID: 12539 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1696.019079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1696.025391] BTRFS info (device loop1): has skinny extents [ 1696.028417] Call Trace: [ 1696.028430] dump_stack+0x1b2/0x281 [ 1696.028443] should_fail.cold+0x10a/0x149 [ 1696.028452] ? lock_downgrade+0x740/0x740 [ 1696.028463] ? mempool_free+0x1d0/0x1d0 [ 1696.028471] should_failslab+0xd6/0x130 [ 1696.028480] kmem_cache_alloc+0x40/0x3c0 [ 1696.028489] ? mempool_free+0x1d0/0x1d0 [ 1696.028495] mempool_alloc+0x10e/0x2d0 [ 1696.028505] ? remove_element.isra.0+0x1b0/0x1b0 [ 1696.028514] ? flush_workqueue+0x40e/0x1310 [ 1696.028522] ? check_preemption_disabled+0x35/0x240 [ 1696.028534] bio_alloc_bioset+0x41b/0x830 [ 1696.086491] ? bvec_alloc+0x2d0/0x2d0 [ 1696.090279] blkdev_issue_flush+0xeb/0x320 [ 1696.094496] ext4_sync_fs+0x46f/0x7e0 [ 1696.098279] ? bdev_try_to_free_page+0x150/0x150 [ 1696.103012] ? iterate_supers+0xda/0x490 [ 1696.107149] ? bdev_try_to_free_page+0x150/0x150 [ 1696.111901] ? vfs_fsync_range+0x260/0x260 [ 1696.116112] sync_fs_one_sb+0xb1/0xe0 [ 1696.119898] iterate_supers+0x124/0x490 [ 1696.123868] sys_sync+0x9a/0x130 [ 1696.127215] ? vfs_fsync+0x210/0x210 [ 1696.130911] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1696.135906] ? vfs_fsync+0x210/0x210 [ 1696.139648] do_syscall_64+0x1d5/0x640 [ 1696.143524] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1696.148785] RIP: 0033:0x7f3c6be997c9 [ 1696.152504] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1696.160188] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1696.167443] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1696.174699] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 executing program [ 1696.181946] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1696.189193] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000005d [ 1696.250845] BTRFS info (device loop1): checking UUID tree [ 1696.257720] BTRFS warning (device loop1): btrfs_uuid_scan_kthread failed -28 [ 1696.265026] FAULT_INJECTION: forcing a failure. [ 1696.265026] name failslab, interval 1, probability 0, space 0, times 0 [ 1696.276736] CPU: 0 PID: 12537 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1696.284703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1696.294045] Call Trace: [ 1696.296659] dump_stack+0x1b2/0x281 [ 1696.300288] should_fail.cold+0x10a/0x149 [ 1696.304431] ? sync_fs_one_sb+0xb1/0xe0 [ 1696.308404] should_failslab+0xd6/0x130 [ 1696.312377] kmem_cache_alloc_node+0x54/0x410 [ 1696.316870] create_task_io_context+0x2a/0x3c0 [ 1696.321443] generic_make_request_checks+0x1350/0x19f0 [ 1696.326698] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1696.331081] ? flush_workqueue+0x129/0x1310 [ 1696.335394] ? flush_workqueue+0x49b/0x1310 [ 1696.339695] generic_make_request+0x67/0x850 [ 1696.344081] ? mempool_alloc+0x10e/0x2d0 [ 1696.348118] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1696.353542] ? blk_queue_exit+0x1d0/0x1d0 [ 1696.357672] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1696.362670] ? kmem_cache_alloc+0x35f/0x3c0 [ 1696.366966] submit_bio+0x234/0x390 [ 1696.370570] ? generic_make_request+0x850/0x850 [ 1696.375215] ? __lockdep_init_map+0x100/0x560 [ 1696.379686] ? __lockdep_init_map+0x100/0x560 [ 1696.384165] submit_bio_wait+0xe8/0x140 [ 1696.388116] ? submit_bio_wait_endio+0xb0/0xb0 [ 1696.392677] blkdev_issue_flush+0x218/0x320 [ 1696.396984] ext4_sync_fs+0x46f/0x7e0 [ 1696.400786] ? bdev_try_to_free_page+0x150/0x150 [ 1696.405521] ? iterate_supers+0xda/0x490 [ 1696.409566] ? bdev_try_to_free_page+0x150/0x150 [ 1696.414306] ? vfs_fsync_range+0x260/0x260 [ 1696.418531] sync_fs_one_sb+0xb1/0xe0 [ 1696.422315] iterate_supers+0x124/0x490 [ 1696.426277] sys_sync+0x9a/0x130 [ 1696.429622] ? vfs_fsync+0x210/0x210 [ 1696.433315] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1696.438310] ? vfs_fsync+0x210/0x210 [ 1696.442005] do_syscall_64+0x1d5/0x640 [ 1696.445873] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 1696.451036] RIP: 0033:0x7f3c6be997c9 [ 1696.454721] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1696.462403] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1696.469651] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1696.476906] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1696.484159] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1696.491404] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000003c [ 1696.516777] FAULT_INJECTION: forcing a failure. [ 1696.516777] name failslab, interval 1, probability 0, space 0, times 0 [ 1696.516885] FAULT_INJECTION: forcing a failure. [ 1696.516885] name failslab, interval 1, probability 0, space 0, times 0 [ 1696.532104] CPU: 0 PID: 12579 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1696.547347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1696.556712] Call Trace: [ 1696.559295] dump_stack+0x1b2/0x281 [ 1696.562919] should_fail.cold+0x10a/0x149 [ 1696.567060] ? lock_downgrade+0x740/0x740 [ 1696.571191] ? mempool_free+0x1d0/0x1d0 [ 1696.575158] should_failslab+0xd6/0x130 [ 1696.579118] kmem_cache_alloc+0x40/0x3c0 [ 1696.583162] ? mempool_free+0x1d0/0x1d0 [ 1696.587129] mempool_alloc+0x10e/0x2d0 [ 1696.590997] ? remove_element.isra.0+0x1b0/0x1b0 [ 1696.595735] ? flush_workqueue+0x40e/0x1310 [ 1696.600048] ? check_preemption_disabled+0x35/0x240 [ 1696.605049] bio_alloc_bioset+0x41b/0x830 [ 1696.609176] ? bvec_alloc+0x2d0/0x2d0 [ 1696.612976] blkdev_issue_flush+0xeb/0x320 [ 1696.617198] ext4_sync_fs+0x46f/0x7e0 [ 1696.620984] ? bdev_try_to_free_page+0x150/0x150 [ 1696.625719] ? iterate_supers+0xda/0x490 [ 1696.629778] ? bdev_try_to_free_page+0x150/0x150 [ 1696.634521] ? vfs_fsync_range+0x260/0x260 [ 1696.638741] sync_fs_one_sb+0xb1/0xe0 [ 1696.642530] iterate_supers+0x124/0x490 [ 1696.646490] sys_sync+0x9a/0x130 [ 1696.649835] ? vfs_fsync+0x210/0x210 [ 1696.653530] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1696.658528] ? vfs_fsync+0x210/0x210 [ 1696.662225] do_syscall_64+0x1d5/0x640 [ 1696.666098] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1696.671269] RIP: 0033:0x7f3c6be997c9 [ 1696.674956] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1696.682644] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1696.689894] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1696.697148] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1696.704401] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1696.711655] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000004f [ 1696.731866] CPU: 0 PID: 12566 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1696.739832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1696.749172] Call Trace: [ 1696.751744] dump_stack+0x1b2/0x281 [ 1696.755356] should_fail.cold+0x10a/0x149 [ 1696.759481] ? lock_downgrade+0x740/0x740 [ 1696.763609] ? mempool_free+0x1d0/0x1d0 [ 1696.767557] should_failslab+0xd6/0x130 [ 1696.771509] kmem_cache_alloc+0x40/0x3c0 [ 1696.775549] ? mempool_free+0x1d0/0x1d0 [ 1696.779502] mempool_alloc+0x10e/0x2d0 [ 1696.783369] ? remove_element.isra.0+0x1b0/0x1b0 [ 1696.788102] ? flush_workqueue+0x40e/0x1310 [ 1696.792420] ? check_preemption_disabled+0x35/0x240 [ 1696.797424] bio_alloc_bioset+0x41b/0x830 [ 1696.801559] ? bvec_alloc+0x2d0/0x2d0 [ 1696.805347] blkdev_issue_flush+0xeb/0x320 [ 1696.809566] ext4_sync_fs+0x46f/0x7e0 [ 1696.813350] ? bdev_try_to_free_page+0x150/0x150 [ 1696.818082] ? iterate_supers+0xda/0x490 [ 1696.822123] ? bdev_try_to_free_page+0x150/0x150 [ 1696.826853] ? vfs_fsync_range+0x260/0x260 [ 1696.831070] sync_fs_one_sb+0xb1/0xe0 [ 1696.834848] iterate_supers+0x124/0x490 [ 1696.838801] sys_sync+0x9a/0x130 [ 1696.842145] ? vfs_fsync+0x210/0x210 [ 1696.845841] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1696.850849] ? vfs_fsync+0x210/0x210 [ 1696.854542] do_syscall_64+0x1d5/0x640 [ 1696.858418] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1696.863584] RIP: 0033:0x7f3c6be997c9 executing program [ 1696.867272] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1696.874955] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1696.882217] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1696.889472] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1696.896736] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1696.903984] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000003d executing program [ 1696.966332] FAULT_INJECTION: forcing a failure. [ 1696.966332] name failslab, interval 1, probability 0, space 0, times 0 [ 1696.979094] CPU: 1 PID: 12590 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1696.987061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1696.996406] Call Trace: [ 1696.998986] dump_stack+0x1b2/0x281 [ 1697.002610] should_fail.cold+0x10a/0x149 [ 1697.006752] ? sync_fs_one_sb+0xb1/0xe0 [ 1697.010714] should_failslab+0xd6/0x130 [ 1697.014670] kmem_cache_alloc_node+0x54/0x410 [ 1697.019156] create_task_io_context+0x2a/0x3c0 [ 1697.023738] generic_make_request_checks+0x1350/0x19f0 [ 1697.029013] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1697.031910] FAULT_INJECTION: forcing a failure. [ 1697.031910] name failslab, interval 1, probability 0, space 0, times 0 [ 1697.033412] ? flush_workqueue+0x129/0x1310 [ 1697.048871] ? flush_workqueue+0x49b/0x1310 [ 1697.053184] generic_make_request+0x67/0x850 [ 1697.057576] ? mempool_alloc+0x10e/0x2d0 [ 1697.061615] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1697.067053] ? blk_queue_exit+0x1d0/0x1d0 [ 1697.071196] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1697.076207] ? kmem_cache_alloc+0x35f/0x3c0 [ 1697.080538] submit_bio+0x234/0x390 [ 1697.084148] ? generic_make_request+0x850/0x850 [ 1697.088797] ? __lockdep_init_map+0x100/0x560 [ 1697.093284] ? __lockdep_init_map+0x100/0x560 [ 1697.097767] submit_bio_wait+0xe8/0x140 [ 1697.101723] ? submit_bio_wait_endio+0xb0/0xb0 [ 1697.106292] blkdev_issue_flush+0x218/0x320 [ 1697.110612] ext4_sync_fs+0x46f/0x7e0 [ 1697.114392] ? bdev_try_to_free_page+0x150/0x150 [ 1697.119131] ? iterate_supers+0xda/0x490 [ 1697.123181] ? bdev_try_to_free_page+0x150/0x150 [ 1697.127930] ? vfs_fsync_range+0x260/0x260 [ 1697.132153] sync_fs_one_sb+0xb1/0xe0 [ 1697.135946] iterate_supers+0x124/0x490 [ 1697.139908] sys_sync+0x9a/0x130 [ 1697.143259] ? vfs_fsync+0x210/0x210 [ 1697.146960] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1697.151965] ? vfs_fsync+0x210/0x210 [ 1697.155664] do_syscall_64+0x1d5/0x640 [ 1697.159546] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1697.164715] RIP: 0033:0x7f3c6be997c9 [ 1697.168405] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1697.176092] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1697.183342] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1697.190590] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1697.197844] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1697.205195] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000003f [ 1697.212463] CPU: 0 PID: 12594 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1697.220421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1697.229755] Call Trace: [ 1697.232328] dump_stack+0x1b2/0x281 [ 1697.235939] should_fail.cold+0x10a/0x149 [ 1697.240081] ? sync_fs_one_sb+0xb1/0xe0 [ 1697.244038] should_failslab+0xd6/0x130 [ 1697.248003] kmem_cache_alloc_node+0x54/0x410 [ 1697.252488] create_task_io_context+0x2a/0x3c0 [ 1697.257047] generic_make_request_checks+0x1350/0x19f0 [ 1697.262319] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1697.266708] ? flush_workqueue+0x129/0x1310 [ 1697.271006] ? flush_workqueue+0x49b/0x1310 [ 1697.275306] generic_make_request+0x67/0x850 [ 1697.279693] ? mempool_alloc+0x10e/0x2d0 [ 1697.283742] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1697.289173] ? blk_queue_exit+0x1d0/0x1d0 [ 1697.293300] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1697.298303] ? kmem_cache_alloc+0x35f/0x3c0 [ 1697.302607] submit_bio+0x234/0x390 [ 1697.306232] ? generic_make_request+0x850/0x850 [ 1697.310888] ? __lockdep_init_map+0x100/0x560 [ 1697.315364] ? __lockdep_init_map+0x100/0x560 [ 1697.319850] submit_bio_wait+0xe8/0x140 [ 1697.323806] ? submit_bio_wait_endio+0xb0/0xb0 [ 1697.328374] blkdev_issue_flush+0x218/0x320 [ 1697.332690] ext4_sync_fs+0x46f/0x7e0 [ 1697.336472] ? bdev_try_to_free_page+0x150/0x150 [ 1697.341212] ? iterate_supers+0xda/0x490 [ 1697.345259] ? bdev_try_to_free_page+0x150/0x150 [ 1697.349996] ? vfs_fsync_range+0x260/0x260 [ 1697.354211] sync_fs_one_sb+0xb1/0xe0 [ 1697.357989] iterate_supers+0x124/0x490 [ 1697.361943] sys_sync+0x9a/0x130 [ 1697.365294] ? vfs_fsync+0x210/0x210 [ 1697.369006] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1697.373998] ? vfs_fsync+0x210/0x210 [ 1697.377695] do_syscall_64+0x1d5/0x640 [ 1697.381566] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1697.386732] RIP: 0033:0x7f3c6be997c9 [ 1697.390419] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1697.398120] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1697.405372] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 executing program [ 1697.412619] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1697.419865] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1697.427127] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000003c [ 1697.447562] FAULT_INJECTION: forcing a failure. [ 1697.447562] name failslab, interval 1, probability 0, space 0, times 0 executing program [ 1697.483313] CPU: 1 PID: 12597 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1697.491294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1697.500639] Call Trace: [ 1697.503249] dump_stack+0x1b2/0x281 [ 1697.506878] should_fail.cold+0x10a/0x149 [ 1697.511027] ? sync_fs_one_sb+0xb1/0xe0 [ 1697.514995] should_failslab+0xd6/0x130 [ 1697.518963] kmem_cache_alloc_node+0x54/0x410 [ 1697.523456] create_task_io_context+0x2a/0x3c0 [ 1697.528032] generic_make_request_checks+0x1350/0x19f0 [ 1697.533307] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1697.537717] ? flush_workqueue+0x129/0x1310 [ 1697.542033] ? flush_workqueue+0x49b/0x1310 [ 1697.546375] generic_make_request+0x67/0x850 [ 1697.550778] ? mempool_alloc+0x10e/0x2d0 [ 1697.554836] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1697.560281] ? blk_queue_exit+0x1d0/0x1d0 [ 1697.564423] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1697.569435] ? kmem_cache_alloc+0x35f/0x3c0 [ 1697.573759] submit_bio+0x234/0x390 [ 1697.577383] ? generic_make_request+0x850/0x850 [ 1697.582044] ? __lockdep_init_map+0x100/0x560 [ 1697.586543] ? __lockdep_init_map+0x100/0x560 [ 1697.591036] submit_bio_wait+0xe8/0x140 [ 1697.594998] ? submit_bio_wait_endio+0xb0/0xb0 [ 1697.599565] blkdev_issue_flush+0x218/0x320 [ 1697.603863] ext4_sync_fs+0x46f/0x7e0 [ 1697.607638] ? bdev_try_to_free_page+0x150/0x150 [ 1697.612382] ? iterate_supers+0xda/0x490 [ 1697.616434] ? bdev_try_to_free_page+0x150/0x150 [ 1697.621266] ? vfs_fsync_range+0x260/0x260 [ 1697.625475] sync_fs_one_sb+0xb1/0xe0 [ 1697.629249] iterate_supers+0x124/0x490 [ 1697.633201] sys_sync+0x9a/0x130 [ 1697.636555] ? vfs_fsync+0x210/0x210 [ 1697.640243] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1697.645231] ? vfs_fsync+0x210/0x210 [ 1697.648919] do_syscall_64+0x1d5/0x640 [ 1697.652783] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1697.657947] RIP: 0033:0x7f3c6be997c9 [ 1697.661631] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1697.669326] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1697.676568] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 executing program [ 1697.683866] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1697.691111] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1697.698354] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000050 [ 1697.769491] FAULT_INJECTION: forcing a failure. [ 1697.769491] name failslab, interval 1, probability 0, space 0, times 0 [ 1697.769638] FAULT_INJECTION: forcing a failure. [ 1697.769638] name failslab, interval 1, probability 0, space 0, times 0 [ 1697.780852] CPU: 0 PID: 12604 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1697.780858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1697.780861] Call Trace: [ 1697.780874] dump_stack+0x1b2/0x281 [ 1697.780887] should_fail.cold+0x10a/0x149 [ 1697.819801] ? sync_fs_one_sb+0xb1/0xe0 [ 1697.823758] should_failslab+0xd6/0x130 [ 1697.827715] kmem_cache_alloc_node+0x54/0x410 [ 1697.832217] create_task_io_context+0x2a/0x3c0 [ 1697.836783] generic_make_request_checks+0x1350/0x19f0 [ 1697.842046] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1697.846434] ? flush_workqueue+0x129/0x1310 [ 1697.850733] ? flush_workqueue+0x49b/0x1310 [ 1697.855054] generic_make_request+0x67/0x850 [ 1697.859443] ? mempool_alloc+0x10e/0x2d0 [ 1697.863480] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1697.868910] ? blk_queue_exit+0x1d0/0x1d0 [ 1697.873039] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1697.878039] ? kmem_cache_alloc+0x35f/0x3c0 [ 1697.882345] submit_bio+0x234/0x390 [ 1697.885958] ? generic_make_request+0x850/0x850 [ 1697.890610] ? __lockdep_init_map+0x100/0x560 [ 1697.895084] ? __lockdep_init_map+0x100/0x560 [ 1697.899572] submit_bio_wait+0xe8/0x140 [ 1697.903539] ? submit_bio_wait_endio+0xb0/0xb0 [ 1697.908126] blkdev_issue_flush+0x218/0x320 [ 1697.912441] ext4_sync_fs+0x46f/0x7e0 [ 1697.916237] ? bdev_try_to_free_page+0x150/0x150 [ 1697.920979] ? iterate_supers+0xda/0x490 [ 1697.925019] ? bdev_try_to_free_page+0x150/0x150 [ 1697.929761] ? vfs_fsync_range+0x260/0x260 [ 1697.933994] sync_fs_one_sb+0xb1/0xe0 [ 1697.937789] iterate_supers+0x124/0x490 [ 1697.941749] sys_sync+0x9a/0x130 [ 1697.945094] ? vfs_fsync+0x210/0x210 [ 1697.948800] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1697.953810] ? vfs_fsync+0x210/0x210 [ 1697.957511] do_syscall_64+0x1d5/0x640 [ 1697.961391] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1697.966562] RIP: 0033:0x7f3c6be997c9 [ 1697.970262] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1697.977958] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1697.985205] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1697.992452] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1697.999698] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1698.006942] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000003d [ 1698.014927] CPU: 1 PID: 12613 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1698.022901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1698.032244] Call Trace: [ 1698.034823] dump_stack+0x1b2/0x281 [ 1698.038453] should_fail.cold+0x10a/0x149 [ 1698.042596] ? sync_fs_one_sb+0xb1/0xe0 [ 1698.046567] should_failslab+0xd6/0x130 [ 1698.050537] kmem_cache_alloc_node+0x54/0x410 [ 1698.055026] create_task_io_context+0x2a/0x3c0 [ 1698.059603] generic_make_request_checks+0x1350/0x19f0 [ 1698.064881] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1698.069284] ? flush_workqueue+0x129/0x1310 [ 1698.073604] ? flush_workqueue+0x49b/0x1310 [ 1698.077919] generic_make_request+0x67/0x850 [ 1698.082321] ? mempool_alloc+0x10e/0x2d0 [ 1698.086370] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1698.091820] ? blk_queue_exit+0x1d0/0x1d0 [ 1698.095951] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1698.100951] ? kmem_cache_alloc+0x35f/0x3c0 [ 1698.105254] submit_bio+0x234/0x390 [ 1698.108859] ? generic_make_request+0x850/0x850 [ 1698.113506] ? __lockdep_init_map+0x100/0x560 [ 1698.117983] ? __lockdep_init_map+0x100/0x560 [ 1698.122475] submit_bio_wait+0xe8/0x140 [ 1698.126458] ? submit_bio_wait_endio+0xb0/0xb0 [ 1698.131024] blkdev_issue_flush+0x218/0x320 [ 1698.135324] ext4_sync_fs+0x46f/0x7e0 [ 1698.139113] ? bdev_try_to_free_page+0x150/0x150 [ 1698.143849] ? iterate_supers+0xda/0x490 [ 1698.147892] ? bdev_try_to_free_page+0x150/0x150 [ 1698.152650] ? vfs_fsync_range+0x260/0x260 [ 1698.156862] sync_fs_one_sb+0xb1/0xe0 [ 1698.160645] iterate_supers+0x124/0x490 [ 1698.164607] sys_sync+0x9a/0x130 [ 1698.167962] ? vfs_fsync+0x210/0x210 [ 1698.171654] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1698.176656] ? vfs_fsync+0x210/0x210 [ 1698.180355] do_syscall_64+0x1d5/0x640 [ 1698.184227] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1698.189394] RIP: 0033:0x7f3c6be997c9 [ 1698.193094] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1698.200776] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1698.208037] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 executing program [ 1698.215283] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1698.222646] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1698.229896] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000005e executing program [ 1698.266918] FAULT_INJECTION: forcing a failure. [ 1698.266918] name failslab, interval 1, probability 0, space 0, times 0 [ 1698.286366] CPU: 1 PID: 12621 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1698.294343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1698.303686] Call Trace: [ 1698.306269] dump_stack+0x1b2/0x281 [ 1698.309899] should_fail.cold+0x10a/0x149 [ 1698.314043] ? sync_fs_one_sb+0xb1/0xe0 [ 1698.318011] should_failslab+0xd6/0x130 [ 1698.321982] kmem_cache_alloc_node+0x54/0x410 [ 1698.326477] create_task_io_context+0x2a/0x3c0 [ 1698.331056] generic_make_request_checks+0x1350/0x19f0 [ 1698.336330] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1698.340734] ? flush_workqueue+0x129/0x1310 [ 1698.345050] ? trace_hardirqs_on+0x10/0x10 [ 1698.349274] generic_make_request+0x67/0x850 [ 1698.353665] ? mempool_alloc+0x10e/0x2d0 [ 1698.357725] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1698.363151] ? blk_queue_exit+0x1d0/0x1d0 [ 1698.367278] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1698.372269] ? kmem_cache_alloc+0x35f/0x3c0 [ 1698.376569] submit_bio+0x234/0x390 [ 1698.380173] ? generic_make_request+0x850/0x850 [ 1698.384825] ? __lockdep_init_map+0x100/0x560 [ 1698.389305] ? __lockdep_init_map+0x100/0x560 [ 1698.393775] submit_bio_wait+0xe8/0x140 [ 1698.397730] ? submit_bio_wait_endio+0xb0/0xb0 [ 1698.402310] blkdev_issue_flush+0x218/0x320 [ 1698.406608] ext4_sync_fs+0x46f/0x7e0 [ 1698.410385] ? bdev_try_to_free_page+0x150/0x150 [ 1698.415116] ? iterate_supers+0xda/0x490 [ 1698.419153] ? bdev_try_to_free_page+0x150/0x150 [ 1698.423883] ? vfs_fsync_range+0x260/0x260 [ 1698.428123] sync_fs_one_sb+0xb1/0xe0 [ 1698.431905] iterate_supers+0x124/0x490 [ 1698.435860] sys_sync+0x9a/0x130 [ 1698.439205] ? vfs_fsync+0x210/0x210 [ 1698.442896] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1698.447886] ? vfs_fsync+0x210/0x210 [ 1698.451577] do_syscall_64+0x1d5/0x640 [ 1698.455446] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1698.460615] RIP: 0033:0x7f3c6be997c9 executing program [ 1698.464299] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1698.471982] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1698.479230] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1698.486475] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1698.493719] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1698.500961] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000051 executing program [ 1698.567714] FAULT_INJECTION: forcing a failure. [ 1698.567714] name failslab, interval 1, probability 0, space 0, times 0 [ 1698.568332] FAULT_INJECTION: forcing a failure. [ 1698.568332] name failslab, interval 1, probability 0, space 0, times 0 [ 1698.582520] CPU: 0 PID: 12625 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1698.594911] FAULT_INJECTION: forcing a failure. [ 1698.594911] name failslab, interval 1, probability 0, space 0, times 0 [ 1698.598103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1698.598107] Call Trace: [ 1698.598120] dump_stack+0x1b2/0x281 [ 1698.598133] should_fail.cold+0x10a/0x149 [ 1698.598143] ? sync_fs_one_sb+0xb1/0xe0 [ 1698.598154] should_failslab+0xd6/0x130 [ 1698.598164] kmem_cache_alloc_node+0x54/0x410 [ 1698.598176] create_task_io_context+0x2a/0x3c0 [ 1698.645915] generic_make_request_checks+0x1350/0x19f0 [ 1698.651182] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1698.655578] ? flush_workqueue+0x129/0x1310 [ 1698.659905] ? flush_workqueue+0x49b/0x1310 [ 1698.664249] generic_make_request+0x67/0x850 [ 1698.668637] ? mempool_alloc+0x10e/0x2d0 [ 1698.672679] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1698.678108] ? blk_queue_exit+0x1d0/0x1d0 [ 1698.682238] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1698.687238] ? kmem_cache_alloc+0x35f/0x3c0 [ 1698.691543] submit_bio+0x234/0x390 [ 1698.695150] ? generic_make_request+0x850/0x850 [ 1698.699797] ? __lockdep_init_map+0x100/0x560 [ 1698.704288] ? __lockdep_init_map+0x100/0x560 [ 1698.708765] submit_bio_wait+0xe8/0x140 [ 1698.712717] ? submit_bio_wait_endio+0xb0/0xb0 [ 1698.717297] blkdev_issue_flush+0x218/0x320 [ 1698.721613] ext4_sync_fs+0x46f/0x7e0 [ 1698.725403] ? bdev_try_to_free_page+0x150/0x150 [ 1698.730149] ? iterate_supers+0xda/0x490 [ 1698.734208] ? bdev_try_to_free_page+0x150/0x150 [ 1698.738955] ? vfs_fsync_range+0x260/0x260 [ 1698.743191] sync_fs_one_sb+0xb1/0xe0 [ 1698.746975] iterate_supers+0x124/0x490 [ 1698.750935] sys_sync+0x9a/0x130 [ 1698.751214] FAULT_INJECTION: forcing a failure. [ 1698.751214] name failslab, interval 1, probability 0, space 0, times 0 executing program [ 1698.754283] ? vfs_fsync+0x210/0x210 [ 1698.754296] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1698.754303] ? vfs_fsync+0x210/0x210 [ 1698.754310] do_syscall_64+0x1d5/0x640 [ 1698.754323] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1698.786872] RIP: 0033:0x7f3c6be997c9 [ 1698.790564] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1698.798253] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1698.805514] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1698.812767] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1698.820018] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1698.827269] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000040 [ 1698.834529] CPU: 1 PID: 12639 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1698.842490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1698.851838] Call Trace: [ 1698.854414] dump_stack+0x1b2/0x281 [ 1698.858033] should_fail.cold+0x10a/0x149 [ 1698.862179] should_failslab+0xd6/0x130 [ 1698.866147] kmem_cache_alloc+0x28e/0x3c0 [ 1698.870283] start_transaction+0x27c/0xf30 [ 1698.874515] ? vfs_fsync_range+0x260/0x260 [ 1698.878729] btrfs_attach_transaction_barrier+0x22/0x80 [ 1698.884075] btrfs_sync_fs+0xcd/0x430 [ 1698.887859] ? btrfs_freeze+0xb0/0xb0 [ 1698.891640] ? vfs_fsync_range+0x260/0x260 [ 1698.895854] sync_fs_one_sb+0xb1/0xe0 [ 1698.899636] iterate_supers+0x124/0x490 [ 1698.903595] sys_sync+0x9a/0x130 [ 1698.906942] ? vfs_fsync+0x210/0x210 [ 1698.910637] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1698.915629] ? vfs_fsync+0x210/0x210 [ 1698.919322] do_syscall_64+0x1d5/0x640 [ 1698.923191] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1698.928360] RIP: 0033:0x7f3c6be997c9 [ 1698.932051] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1698.939753] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1698.947018] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1698.954267] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1698.961514] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1698.968761] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000003d [ 1698.976019] CPU: 0 PID: 12642 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1698.983974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1698.993307] Call Trace: [ 1698.995875] dump_stack+0x1b2/0x281 [ 1698.999482] should_fail.cold+0x10a/0x149 [ 1699.003612] ? sync_fs_one_sb+0xb1/0xe0 [ 1699.007567] should_failslab+0xd6/0x130 [ 1699.011521] kmem_cache_alloc_node+0x54/0x410 [ 1699.016002] create_task_io_context+0x2a/0x3c0 [ 1699.020569] generic_make_request_checks+0x1350/0x19f0 [ 1699.025827] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1699.030237] ? flush_workqueue+0x129/0x1310 [ 1699.034560] ? flush_workqueue+0x49b/0x1310 [ 1699.038861] generic_make_request+0x67/0x850 [ 1699.043251] ? mempool_alloc+0x10e/0x2d0 [ 1699.047300] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1699.052737] ? blk_queue_exit+0x1d0/0x1d0 [ 1699.056867] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1699.061864] ? kmem_cache_alloc+0x35f/0x3c0 [ 1699.066169] submit_bio+0x234/0x390 [ 1699.069782] ? generic_make_request+0x850/0x850 [ 1699.074449] ? __lockdep_init_map+0x100/0x560 [ 1699.078925] ? __lockdep_init_map+0x100/0x560 [ 1699.083488] submit_bio_wait+0xe8/0x140 [ 1699.087441] ? submit_bio_wait_endio+0xb0/0xb0 [ 1699.092029] blkdev_issue_flush+0x218/0x320 [ 1699.096332] ext4_sync_fs+0x46f/0x7e0 [ 1699.100130] ? bdev_try_to_free_page+0x150/0x150 [ 1699.104888] ? iterate_supers+0xda/0x490 [ 1699.108933] ? bdev_try_to_free_page+0x150/0x150 [ 1699.113669] ? vfs_fsync_range+0x260/0x260 [ 1699.117885] sync_fs_one_sb+0xb1/0xe0 [ 1699.121672] iterate_supers+0x124/0x490 [ 1699.125638] sys_sync+0x9a/0x130 [ 1699.128993] ? vfs_fsync+0x210/0x210 [ 1699.132701] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1699.137718] ? vfs_fsync+0x210/0x210 [ 1699.141413] do_syscall_64+0x1d5/0x640 [ 1699.145285] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1699.150473] RIP: 0033:0x7f3c6be997c9 [ 1699.154171] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1699.161858] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1699.169109] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1699.176370] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1699.183621] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1699.190873] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000052 [ 1699.198139] CPU: 1 PID: 12638 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1699.206107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1699.215453] Call Trace: [ 1699.218044] dump_stack+0x1b2/0x281 [ 1699.221671] should_fail.cold+0x10a/0x149 [ 1699.225840] should_failslab+0xd6/0x130 [ 1699.229810] kmem_cache_alloc+0x28e/0x3c0 [ 1699.233951] start_transaction+0x27c/0xf30 [ 1699.238197] ? vfs_fsync_range+0x260/0x260 [ 1699.242429] btrfs_attach_transaction_barrier+0x22/0x80 [ 1699.247791] btrfs_sync_fs+0xcd/0x430 [ 1699.251588] ? btrfs_freeze+0xb0/0xb0 [ 1699.255385] ? vfs_fsync_range+0x260/0x260 [ 1699.259611] sync_fs_one_sb+0xb1/0xe0 [ 1699.263401] iterate_supers+0x124/0x490 [ 1699.267351] sys_sync+0x9a/0x130 [ 1699.270692] ? vfs_fsync+0x210/0x210 [ 1699.274380] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1699.279370] ? vfs_fsync+0x210/0x210 [ 1699.283060] do_syscall_64+0x1d5/0x640 [ 1699.286945] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1699.292117] RIP: 0033:0x7f3c6be997c9 [ 1699.295804] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1699.303487] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1699.310731] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 executing program [ 1699.317993] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1699.325240] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1699.332502] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000003e executing program executing program [ 1699.456608] FAULT_INJECTION: forcing a failure. [ 1699.456608] name failslab, interval 1, probability 0, space 0, times 0 [ 1699.457671] FAULT_INJECTION: forcing a failure. [ 1699.457671] name failslab, interval 1, probability 0, space 0, times 0 [ 1699.471676] CPU: 1 PID: 12650 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1699.479806] FAULT_INJECTION: forcing a failure. [ 1699.479806] name failslab, interval 1, probability 0, space 0, times 0 [ 1699.487029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1699.487033] Call Trace: [ 1699.487046] dump_stack+0x1b2/0x281 [ 1699.487058] should_fail.cold+0x10a/0x149 [ 1699.487068] ? sync_fs_one_sb+0xb1/0xe0 [ 1699.487079] should_failslab+0xd6/0x130 [ 1699.525736] kmem_cache_alloc_node+0x54/0x410 [ 1699.530213] create_task_io_context+0x2a/0x3c0 [ 1699.534772] generic_make_request_checks+0x1350/0x19f0 [ 1699.540040] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1699.544429] ? flush_workqueue+0x129/0x1310 [ 1699.548728] ? flush_workqueue+0x49b/0x1310 [ 1699.553032] generic_make_request+0x67/0x850 [ 1699.557422] ? mempool_alloc+0x10e/0x2d0 [ 1699.561461] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1699.566888] ? blk_queue_exit+0x1d0/0x1d0 [ 1699.571019] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1699.576036] ? kmem_cache_alloc+0x35f/0x3c0 [ 1699.580338] submit_bio+0x234/0x390 [ 1699.583942] ? generic_make_request+0x850/0x850 [ 1699.588589] ? __lockdep_init_map+0x100/0x560 [ 1699.593066] ? __lockdep_init_map+0x100/0x560 [ 1699.597543] submit_bio_wait+0xe8/0x140 [ 1699.601508] ? submit_bio_wait_endio+0xb0/0xb0 [ 1699.606080] blkdev_issue_flush+0x218/0x320 [ 1699.610383] ext4_sync_fs+0x46f/0x7e0 [ 1699.614165] ? bdev_try_to_free_page+0x150/0x150 [ 1699.618897] ? iterate_supers+0xda/0x490 [ 1699.622944] ? bdev_try_to_free_page+0x150/0x150 [ 1699.627685] ? vfs_fsync_range+0x260/0x260 [ 1699.631896] sync_fs_one_sb+0xb1/0xe0 [ 1699.635681] iterate_supers+0x124/0x490 [ 1699.639639] sys_sync+0x9a/0x130 [ 1699.642983] ? vfs_fsync+0x210/0x210 [ 1699.646681] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1699.651673] ? vfs_fsync+0x210/0x210 [ 1699.655365] do_syscall_64+0x1d5/0x640 [ 1699.659235] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1699.664407] RIP: 0033:0x7f3c6be997c9 [ 1699.668100] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1699.675785] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1699.683032] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1699.690283] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1699.697545] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1699.704807] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000003e [ 1699.712085] CPU: 0 PID: 12660 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1699.720048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1699.729391] Call Trace: [ 1699.731996] dump_stack+0x1b2/0x281 [ 1699.735619] should_fail.cold+0x10a/0x149 [ 1699.739758] ? sync_fs_one_sb+0xb1/0xe0 [ 1699.743726] should_failslab+0xd6/0x130 [ 1699.747692] kmem_cache_alloc_node+0x54/0x410 [ 1699.752180] create_task_io_context+0x2a/0x3c0 [ 1699.756754] generic_make_request_checks+0x1350/0x19f0 [ 1699.762032] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1699.766436] ? flush_workqueue+0x129/0x1310 [ 1699.770748] ? flush_workqueue+0x49b/0x1310 [ 1699.775066] generic_make_request+0x67/0x850 [ 1699.779463] ? mempool_alloc+0x10e/0x2d0 [ 1699.783507] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1699.788935] ? blk_queue_exit+0x1d0/0x1d0 [ 1699.793063] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1699.798061] ? kmem_cache_alloc+0x35f/0x3c0 [ 1699.802383] submit_bio+0x234/0x390 [ 1699.806000] ? generic_make_request+0x850/0x850 [ 1699.810652] ? __lockdep_init_map+0x100/0x560 [ 1699.815129] ? __lockdep_init_map+0x100/0x560 [ 1699.819608] submit_bio_wait+0xe8/0x140 [ 1699.823565] ? submit_bio_wait_endio+0xb0/0xb0 [ 1699.828134] blkdev_issue_flush+0x218/0x320 [ 1699.832441] ext4_sync_fs+0x46f/0x7e0 [ 1699.836235] ? bdev_try_to_free_page+0x150/0x150 [ 1699.841001] ? iterate_supers+0xda/0x490 [ 1699.845048] ? bdev_try_to_free_page+0x150/0x150 [ 1699.849785] ? vfs_fsync_range+0x260/0x260 [ 1699.854005] sync_fs_one_sb+0xb1/0xe0 [ 1699.857790] iterate_supers+0x124/0x490 [ 1699.861749] sys_sync+0x9a/0x130 [ 1699.865095] ? vfs_fsync+0x210/0x210 [ 1699.868791] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1699.873784] ? vfs_fsync+0x210/0x210 [ 1699.877497] do_syscall_64+0x1d5/0x640 [ 1699.881370] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1699.886542] RIP: 0033:0x7f3c6be997c9 [ 1699.890236] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1699.897923] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1699.905170] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1699.912420] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1699.919672] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1699.926928] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000053 [ 1699.934197] CPU: 1 PID: 12659 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1699.942166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1699.951503] Call Trace: [ 1699.954071] dump_stack+0x1b2/0x281 [ 1699.957681] should_fail.cold+0x10a/0x149 [ 1699.961808] should_failslab+0xd6/0x130 [ 1699.965762] kmem_cache_alloc+0x28e/0x3c0 [ 1699.969890] start_transaction+0x27c/0xf30 [ 1699.974106] ? vfs_fsync_range+0x260/0x260 [ 1699.978317] btrfs_attach_transaction_barrier+0x22/0x80 [ 1699.983657] btrfs_sync_fs+0xcd/0x430 [ 1699.987437] ? btrfs_freeze+0xb0/0xb0 [ 1699.991219] ? vfs_fsync_range+0x260/0x260 [ 1699.995448] sync_fs_one_sb+0xb1/0xe0 [ 1699.999231] iterate_supers+0x124/0x490 [ 1700.003187] sys_sync+0x9a/0x130 [ 1700.006530] ? vfs_fsync+0x210/0x210 [ 1700.010263] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1700.015261] ? vfs_fsync+0x210/0x210 [ 1700.018953] do_syscall_64+0x1d5/0x640 [ 1700.022824] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1700.027993] RIP: 0033:0x7f3c6be997c9 [ 1700.031680] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1700.039366] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1700.046615] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 executing program executing program [ 1700.053863] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1700.061111] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1700.068356] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000005f executing program [ 1700.157284] FAULT_INJECTION: forcing a failure. [ 1700.157284] name failslab, interval 1, probability 0, space 0, times 0 [ 1700.157359] FAULT_INJECTION: forcing a failure. [ 1700.157359] name failslab, interval 1, probability 0, space 0, times 0 [ 1700.169006] CPU: 0 PID: 12667 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1700.183805] FAULT_INJECTION: forcing a failure. [ 1700.183805] name failslab, interval 1, probability 0, space 0, times 0 [ 1700.187823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1700.187827] Call Trace: [ 1700.187840] dump_stack+0x1b2/0x281 [ 1700.187852] should_fail.cold+0x10a/0x149 [ 1700.187861] ? sync_fs_one_sb+0xb1/0xe0 [ 1700.187870] should_failslab+0xd6/0x130 [ 1700.187880] kmem_cache_alloc_node+0x54/0x410 [ 1700.187892] create_task_io_context+0x2a/0x3c0 [ 1700.235671] generic_make_request_checks+0x1350/0x19f0 [ 1700.240967] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1700.245355] ? flush_workqueue+0x129/0x1310 [ 1700.249671] ? flush_workqueue+0x49b/0x1310 [ 1700.253984] generic_make_request+0x67/0x850 [ 1700.258376] ? mempool_alloc+0x10e/0x2d0 [ 1700.262418] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1700.267848] ? blk_queue_exit+0x1d0/0x1d0 [ 1700.271978] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1700.276984] ? kmem_cache_alloc+0x35f/0x3c0 [ 1700.281304] submit_bio+0x234/0x390 [ 1700.284927] ? generic_make_request+0x850/0x850 [ 1700.289590] ? __lockdep_init_map+0x100/0x560 [ 1700.294075] ? __lockdep_init_map+0x100/0x560 [ 1700.298564] submit_bio_wait+0xe8/0x140 [ 1700.302538] ? submit_bio_wait_endio+0xb0/0xb0 [ 1700.307126] blkdev_issue_flush+0x218/0x320 [ 1700.311448] ext4_sync_fs+0x46f/0x7e0 [ 1700.315240] ? bdev_try_to_free_page+0x150/0x150 [ 1700.319976] ? iterate_supers+0xda/0x490 [ 1700.324038] ? bdev_try_to_free_page+0x150/0x150 [ 1700.328773] ? vfs_fsync_range+0x260/0x260 [ 1700.332988] sync_fs_one_sb+0xb1/0xe0 [ 1700.336771] iterate_supers+0x124/0x490 [ 1700.340730] sys_sync+0x9a/0x130 [ 1700.344081] ? vfs_fsync+0x210/0x210 [ 1700.347805] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1700.352807] ? vfs_fsync+0x210/0x210 [ 1700.356523] do_syscall_64+0x1d5/0x640 [ 1700.360400] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1700.365657] RIP: 0033:0x7f3c6be997c9 [ 1700.369352] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1700.377051] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1700.384303] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1700.391557] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1700.398820] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1700.406072] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000041 [ 1700.413337] CPU: 1 PID: 12670 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1700.421302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1700.430648] Call Trace: [ 1700.433348] dump_stack+0x1b2/0x281 [ 1700.436984] should_fail.cold+0x10a/0x149 [ 1700.441114] ? sync_fs_one_sb+0xb1/0xe0 [ 1700.445069] should_failslab+0xd6/0x130 [ 1700.449045] kmem_cache_alloc_node+0x54/0x410 [ 1700.453525] create_task_io_context+0x2a/0x3c0 [ 1700.458102] generic_make_request_checks+0x1350/0x19f0 [ 1700.463359] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1700.467745] ? flush_workqueue+0x129/0x1310 [ 1700.472048] ? flush_workqueue+0x49b/0x1310 [ 1700.476349] generic_make_request+0x67/0x850 [ 1700.480740] ? mempool_alloc+0x10e/0x2d0 [ 1700.484786] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1700.490224] ? blk_queue_exit+0x1d0/0x1d0 [ 1700.494355] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1700.499353] ? kmem_cache_alloc+0x35f/0x3c0 [ 1700.503654] submit_bio+0x234/0x390 [ 1700.507260] ? generic_make_request+0x850/0x850 [ 1700.511910] ? __lockdep_init_map+0x100/0x560 [ 1700.516382] ? __lockdep_init_map+0x100/0x560 [ 1700.520866] submit_bio_wait+0xe8/0x140 [ 1700.524825] ? submit_bio_wait_endio+0xb0/0xb0 [ 1700.529404] blkdev_issue_flush+0x218/0x320 [ 1700.533713] ext4_sync_fs+0x46f/0x7e0 [ 1700.537497] ? bdev_try_to_free_page+0x150/0x150 [ 1700.542234] ? iterate_supers+0xda/0x490 [ 1700.546274] ? bdev_try_to_free_page+0x150/0x150 [ 1700.551037] ? vfs_fsync_range+0x260/0x260 [ 1700.555252] sync_fs_one_sb+0xb1/0xe0 [ 1700.559035] iterate_supers+0x124/0x490 [ 1700.563012] sys_sync+0x9a/0x130 [ 1700.566361] ? vfs_fsync+0x210/0x210 [ 1700.570077] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1700.575092] ? vfs_fsync+0x210/0x210 [ 1700.578784] do_syscall_64+0x1d5/0x640 [ 1700.582662] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1700.587836] RIP: 0033:0x7f3c6be997c9 [ 1700.591524] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1700.599208] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1700.606456] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1700.613703] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1700.620971] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1700.628259] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000003f [ 1700.635520] CPU: 0 PID: 12677 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1700.643505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1700.652835] Call Trace: [ 1700.655407] dump_stack+0x1b2/0x281 [ 1700.659019] should_fail.cold+0x10a/0x149 [ 1700.663162] should_failslab+0xd6/0x130 [ 1700.667117] kmem_cache_alloc+0x28e/0x3c0 [ 1700.671247] start_transaction+0x27c/0xf30 [ 1700.675464] ? vfs_fsync_range+0x260/0x260 [ 1700.679689] btrfs_attach_transaction_barrier+0x22/0x80 [ 1700.685031] btrfs_sync_fs+0xcd/0x430 [ 1700.688822] ? btrfs_freeze+0xb0/0xb0 [ 1700.692621] ? vfs_fsync_range+0x260/0x260 [ 1700.696833] sync_fs_one_sb+0xb1/0xe0 [ 1700.700610] iterate_supers+0x124/0x490 [ 1700.704565] sys_sync+0x9a/0x130 [ 1700.707911] ? vfs_fsync+0x210/0x210 [ 1700.711608] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1700.716613] ? vfs_fsync+0x210/0x210 [ 1700.720304] do_syscall_64+0x1d5/0x640 [ 1700.724177] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1700.729343] RIP: 0033:0x7f3c6be997c9 [ 1700.733035] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1700.740736] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1700.747984] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 executing program [ 1700.755231] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1700.762493] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1700.769739] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000054 executing program executing program [ 1700.811640] FAULT_INJECTION: forcing a failure. [ 1700.811640] name failslab, interval 1, probability 0, space 0, times 0 [ 1700.835606] CPU: 0 PID: 12682 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1700.843590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1700.852936] Call Trace: [ 1700.855522] dump_stack+0x1b2/0x281 [ 1700.859148] should_fail.cold+0x10a/0x149 [ 1700.863289] ? sync_fs_one_sb+0xb1/0xe0 [ 1700.867262] should_failslab+0xd6/0x130 [ 1700.871234] kmem_cache_alloc_node+0x54/0x410 [ 1700.875725] create_task_io_context+0x2a/0x3c0 [ 1700.880300] generic_make_request_checks+0x1350/0x19f0 [ 1700.885571] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1700.889972] ? flush_workqueue+0x129/0x1310 [ 1700.894286] ? trace_hardirqs_on+0x10/0x10 [ 1700.898515] generic_make_request+0x67/0x850 [ 1700.902921] ? mempool_alloc+0x10e/0x2d0 [ 1700.906974] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1700.912417] ? blk_queue_exit+0x1d0/0x1d0 [ 1700.916563] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1700.921572] ? kmem_cache_alloc+0x35f/0x3c0 [ 1700.925890] submit_bio+0x234/0x390 [ 1700.929515] ? generic_make_request+0x850/0x850 [ 1700.934175] ? __lockdep_init_map+0x100/0x560 [ 1700.938665] ? __lockdep_init_map+0x100/0x560 [ 1700.943156] submit_bio_wait+0xe8/0x140 [ 1700.947128] ? submit_bio_wait_endio+0xb0/0xb0 [ 1700.951711] blkdev_issue_flush+0x218/0x320 [ 1700.956029] ext4_sync_fs+0x46f/0x7e0 [ 1700.959817] ? bdev_try_to_free_page+0x150/0x150 [ 1700.964548] ? iterate_supers+0xda/0x490 [ 1700.968587] ? bdev_try_to_free_page+0x150/0x150 [ 1700.973318] ? vfs_fsync_range+0x260/0x260 [ 1700.977527] sync_fs_one_sb+0xb1/0xe0 [ 1700.981302] iterate_supers+0x124/0x490 [ 1700.985260] sys_sync+0x9a/0x130 [ 1700.988602] ? vfs_fsync+0x210/0x210 [ 1700.992380] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1700.997368] ? vfs_fsync+0x210/0x210 [ 1701.001055] do_syscall_64+0x1d5/0x640 [ 1701.004926] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 1701.010104] RIP: 0033:0x7f3c6be997c9 [ 1701.013804] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1701.021503] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1701.028766] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1701.036025] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1701.043293] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1701.050538] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000003e [ 1701.099304] FAULT_INJECTION: forcing a failure. [ 1701.099304] name failslab, interval 1, probability 0, space 0, times 0 [ 1701.099309] FAULT_INJECTION: forcing a failure. [ 1701.099309] name failslab, interval 1, probability 0, space 0, times 0 [ 1701.099321] CPU: 1 PID: 12686 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1701.111061] FAULT_INJECTION: forcing a failure. [ 1701.111061] name failslab, interval 1, probability 0, space 0, times 0 [ 1701.121670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1701.121675] Call Trace: [ 1701.121690] dump_stack+0x1b2/0x281 [ 1701.121703] should_fail.cold+0x10a/0x149 [ 1701.121713] should_failslab+0xd6/0x130 [ 1701.121722] kmem_cache_alloc+0x28e/0x3c0 [ 1701.121733] start_transaction+0x27c/0xf30 [ 1701.121747] ? vfs_fsync_range+0x260/0x260 [ 1701.121757] btrfs_attach_transaction_barrier+0x22/0x80 [ 1701.182354] btrfs_sync_fs+0xcd/0x430 [ 1701.186139] ? btrfs_freeze+0xb0/0xb0 [ 1701.189922] ? vfs_fsync_range+0x260/0x260 [ 1701.194140] sync_fs_one_sb+0xb1/0xe0 [ 1701.197925] iterate_supers+0x124/0x490 [ 1701.201888] sys_sync+0x9a/0x130 [ 1701.205233] ? vfs_fsync+0x210/0x210 [ 1701.208933] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1701.213931] ? vfs_fsync+0x210/0x210 [ 1701.217624] do_syscall_64+0x1d5/0x640 [ 1701.221494] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1701.226685] RIP: 0033:0x7f3c6be997c9 [ 1701.230386] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1701.238094] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1701.245376] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1701.252629] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1701.259886] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1701.267136] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000055 [ 1701.274400] CPU: 0 PID: 12700 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1701.282365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1701.291710] Call Trace: [ 1701.294282] dump_stack+0x1b2/0x281 [ 1701.297890] should_fail.cold+0x10a/0x149 [ 1701.302021] ? sync_fs_one_sb+0xb1/0xe0 [ 1701.305976] should_failslab+0xd6/0x130 [ 1701.309932] kmem_cache_alloc_node+0x54/0x410 [ 1701.314406] create_task_io_context+0x2a/0x3c0 [ 1701.318971] generic_make_request_checks+0x1350/0x19f0 [ 1701.324229] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1701.328618] ? flush_workqueue+0x129/0x1310 [ 1701.332919] ? flush_workqueue+0x49b/0x1310 [ 1701.337222] generic_make_request+0x67/0x850 [ 1701.341611] ? mempool_alloc+0x10e/0x2d0 [ 1701.345651] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1701.351087] ? blk_queue_exit+0x1d0/0x1d0 [ 1701.355216] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1701.360209] ? kmem_cache_alloc+0x35f/0x3c0 [ 1701.364515] submit_bio+0x234/0x390 [ 1701.368118] ? generic_make_request+0x850/0x850 [ 1701.372765] ? __lockdep_init_map+0x100/0x560 [ 1701.377238] ? __lockdep_init_map+0x100/0x560 [ 1701.381713] submit_bio_wait+0xe8/0x140 [ 1701.385665] ? submit_bio_wait_endio+0xb0/0xb0 [ 1701.390232] blkdev_issue_flush+0x218/0x320 [ 1701.394535] ext4_sync_fs+0x46f/0x7e0 [ 1701.398314] ? bdev_try_to_free_page+0x150/0x150 [ 1701.403070] ? iterate_supers+0xda/0x490 [ 1701.407110] ? bdev_try_to_free_page+0x150/0x150 [ 1701.411847] ? vfs_fsync_range+0x260/0x260 [ 1701.416071] sync_fs_one_sb+0xb1/0xe0 [ 1701.419870] iterate_supers+0x124/0x490 [ 1701.423823] sys_sync+0x9a/0x130 [ 1701.427188] ? vfs_fsync+0x210/0x210 [ 1701.430882] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1701.435887] ? vfs_fsync+0x210/0x210 [ 1701.439578] do_syscall_64+0x1d5/0x640 [ 1701.443447] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 1701.448614] RIP: 0033:0x7f3c6be997c9 [ 1701.452301] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1701.459990] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1701.467235] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1701.474483] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1701.481730] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1701.488990] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000060 [ 1701.515415] CPU: 0 PID: 12687 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1701.523396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1701.532764] Call Trace: [ 1701.535432] dump_stack+0x1b2/0x281 [ 1701.539045] should_fail.cold+0x10a/0x149 [ 1701.543172] ? sync_fs_one_sb+0xb1/0xe0 [ 1701.547122] should_failslab+0xd6/0x130 [ 1701.551073] kmem_cache_alloc_node+0x54/0x410 [ 1701.555552] create_task_io_context+0x2a/0x3c0 [ 1701.560130] generic_make_request_checks+0x1350/0x19f0 [ 1701.565405] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1701.569809] ? flush_workqueue+0x129/0x1310 [ 1701.574130] ? flush_workqueue+0x49b/0x1310 [ 1701.578445] generic_make_request+0x67/0x850 [ 1701.582845] ? mempool_alloc+0x10e/0x2d0 [ 1701.586884] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1701.592308] ? blk_queue_exit+0x1d0/0x1d0 [ 1701.596435] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1701.601428] ? kmem_cache_alloc+0x35f/0x3c0 [ 1701.605725] submit_bio+0x234/0x390 [ 1701.609328] ? generic_make_request+0x850/0x850 [ 1701.613973] ? __lockdep_init_map+0x100/0x560 [ 1701.618443] ? __lockdep_init_map+0x100/0x560 [ 1701.622933] submit_bio_wait+0xe8/0x140 [ 1701.626881] ? submit_bio_wait_endio+0xb0/0xb0 [ 1701.631440] blkdev_issue_flush+0x218/0x320 [ 1701.635738] ext4_sync_fs+0x46f/0x7e0 [ 1701.639515] ? bdev_try_to_free_page+0x150/0x150 [ 1701.644243] ? iterate_supers+0xda/0x490 [ 1701.648295] ? bdev_try_to_free_page+0x150/0x150 [ 1701.653027] ? vfs_fsync_range+0x260/0x260 [ 1701.657237] sync_fs_one_sb+0xb1/0xe0 [ 1701.661012] iterate_supers+0x124/0x490 [ 1701.664963] sys_sync+0x9a/0x130 [ 1701.668304] ? vfs_fsync+0x210/0x210 [ 1701.671996] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1701.676986] ? vfs_fsync+0x210/0x210 [ 1701.680675] do_syscall_64+0x1d5/0x640 [ 1701.684540] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1701.689704] RIP: 0033:0x7f3c6be997c9 [ 1701.693406] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1701.701088] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1701.708346] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1701.715652] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1701.722912] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1701.730161] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000003f executing program executing program [ 1701.757001] FAULT_INJECTION: forcing a failure. [ 1701.757001] name failslab, interval 1, probability 0, space 0, times 0 [ 1701.769133] FAULT_INJECTION: forcing a failure. [ 1701.769133] name failslab, interval 1, probability 0, space 0, times 0 [ 1701.774543] FAULT_INJECTION: forcing a failure. [ 1701.774543] name failslab, interval 1, probability 0, space 0, times 0 [ 1701.787774] CPU: 0 PID: 12714 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1701.799686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1701.809028] Call Trace: [ 1701.811617] dump_stack+0x1b2/0x281 [ 1701.815266] should_fail.cold+0x10a/0x149 [ 1701.819424] ? sync_fs_one_sb+0xb1/0xe0 [ 1701.823408] should_failslab+0xd6/0x130 [ 1701.827373] kmem_cache_alloc_node+0x54/0x410 [ 1701.831868] create_task_io_context+0x2a/0x3c0 [ 1701.836436] generic_make_request_checks+0x1350/0x19f0 [ 1701.841710] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1701.846101] ? flush_workqueue+0x129/0x1310 [ 1701.850406] ? flush_workqueue+0x49b/0x1310 [ 1701.854708] generic_make_request+0x67/0x850 [ 1701.859116] ? mempool_alloc+0x10e/0x2d0 [ 1701.863170] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1701.868603] ? blk_queue_exit+0x1d0/0x1d0 [ 1701.872733] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1701.877752] ? kmem_cache_alloc+0x35f/0x3c0 [ 1701.882059] submit_bio+0x234/0x390 [ 1701.885673] ? generic_make_request+0x850/0x850 [ 1701.890326] ? __lockdep_init_map+0x100/0x560 [ 1701.894805] ? __lockdep_init_map+0x100/0x560 [ 1701.899288] submit_bio_wait+0xe8/0x140 [ 1701.903247] ? submit_bio_wait_endio+0xb0/0xb0 [ 1701.907843] blkdev_issue_flush+0x218/0x320 [ 1701.912150] ext4_sync_fs+0x46f/0x7e0 [ 1701.915938] ? bdev_try_to_free_page+0x150/0x150 [ 1701.920676] ? iterate_supers+0xda/0x490 [ 1701.924722] ? bdev_try_to_free_page+0x150/0x150 [ 1701.929465] ? vfs_fsync_range+0x260/0x260 [ 1701.933681] sync_fs_one_sb+0xb1/0xe0 [ 1701.937464] iterate_supers+0x124/0x490 [ 1701.941432] sys_sync+0x9a/0x130 [ 1701.944789] ? vfs_fsync+0x210/0x210 [ 1701.948495] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1701.953495] ? vfs_fsync+0x210/0x210 [ 1701.957194] do_syscall_64+0x1d5/0x640 [ 1701.961068] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1701.966239] RIP: 0033:0x7f3c6be997c9 [ 1701.969934] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1701.977623] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1701.984888] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1701.992136] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1701.999387] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1702.006639] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000040 [ 1702.014535] CPU: 1 PID: 12705 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1702.022502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1702.031848] Call Trace: [ 1702.034427] dump_stack+0x1b2/0x281 [ 1702.038064] should_fail.cold+0x10a/0x149 [ 1702.042204] ? sync_fs_one_sb+0xb1/0xe0 [ 1702.046175] should_failslab+0xd6/0x130 [ 1702.050146] kmem_cache_alloc_node+0x54/0x410 [ 1702.054637] create_task_io_context+0x2a/0x3c0 [ 1702.059311] generic_make_request_checks+0x1350/0x19f0 [ 1702.064589] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1702.068996] ? flush_workqueue+0x129/0x1310 [ 1702.073344] ? flush_workqueue+0x49b/0x1310 [ 1702.077660] generic_make_request+0x67/0x850 [ 1702.082102] ? mempool_alloc+0x10e/0x2d0 [ 1702.086158] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1702.091600] ? blk_queue_exit+0x1d0/0x1d0 [ 1702.095767] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1702.100771] ? kmem_cache_alloc+0x35f/0x3c0 [ 1702.105075] submit_bio+0x234/0x390 [ 1702.108686] ? generic_make_request+0x850/0x850 [ 1702.113337] ? __lockdep_init_map+0x100/0x560 [ 1702.117810] ? __lockdep_init_map+0x100/0x560 [ 1702.122288] submit_bio_wait+0xe8/0x140 [ 1702.126253] ? submit_bio_wait_endio+0xb0/0xb0 [ 1702.130841] blkdev_issue_flush+0x218/0x320 [ 1702.135145] ext4_sync_fs+0x46f/0x7e0 [ 1702.138930] ? bdev_try_to_free_page+0x150/0x150 [ 1702.143671] ? iterate_supers+0xda/0x490 [ 1702.147716] ? bdev_try_to_free_page+0x150/0x150 [ 1702.152452] ? vfs_fsync_range+0x260/0x260 [ 1702.156663] sync_fs_one_sb+0xb1/0xe0 [ 1702.160443] iterate_supers+0x124/0x490 [ 1702.164414] sys_sync+0x9a/0x130 [ 1702.167760] ? vfs_fsync+0x210/0x210 [ 1702.171474] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1702.176466] ? vfs_fsync+0x210/0x210 [ 1702.180179] do_syscall_64+0x1d5/0x640 [ 1702.184053] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1702.189222] RIP: 0033:0x7f3c6be997c9 [ 1702.192938] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1702.200634] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1702.207888] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1702.215151] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1702.222415] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1702.229662] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000056 [ 1702.236928] CPU: 0 PID: 12713 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1702.244886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1702.254221] Call Trace: [ 1702.256795] dump_stack+0x1b2/0x281 [ 1702.260404] should_fail.cold+0x10a/0x149 [ 1702.264532] should_failslab+0xd6/0x130 [ 1702.268487] kmem_cache_alloc+0x28e/0x3c0 [ 1702.272614] start_transaction+0x27c/0xf30 [ 1702.276834] ? vfs_fsync_range+0x260/0x260 [ 1702.281061] btrfs_attach_transaction_barrier+0x22/0x80 [ 1702.286401] btrfs_sync_fs+0xcd/0x430 [ 1702.290180] ? btrfs_freeze+0xb0/0xb0 [ 1702.293960] ? vfs_fsync_range+0x260/0x260 [ 1702.298171] sync_fs_one_sb+0xb1/0xe0 [ 1702.301951] iterate_supers+0x124/0x490 [ 1702.305906] sys_sync+0x9a/0x130 [ 1702.309251] ? vfs_fsync+0x210/0x210 [ 1702.312946] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1702.317959] ? vfs_fsync+0x210/0x210 [ 1702.321653] do_syscall_64+0x1d5/0x640 [ 1702.325522] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1702.330692] RIP: 0033:0x7f3c6be997c9 [ 1702.334396] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1702.342084] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1702.349331] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1702.356578] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1702.363827] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1702.371074] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000042 executing program executing program [ 1702.545939] FAULT_INJECTION: forcing a failure. [ 1702.545939] name failslab, interval 1, probability 0, space 0, times 0 [ 1702.557247] CPU: 1 PID: 12728 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1702.565204] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1702.574556] Call Trace: [ 1702.577142] dump_stack+0x1b2/0x281 [ 1702.580767] should_fail.cold+0x10a/0x149 [ 1702.584907] ? sync_fs_one_sb+0xb1/0xe0 [ 1702.588881] should_failslab+0xd6/0x130 [ 1702.592850] kmem_cache_alloc_node+0x54/0x410 [ 1702.597344] create_task_io_context+0x2a/0x3c0 [ 1702.601920] generic_make_request_checks+0x1350/0x19f0 [ 1702.607195] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1702.611598] ? flush_workqueue+0x129/0x1310 [ 1702.615914] ? flush_workqueue+0x49b/0x1310 [ 1702.620247] generic_make_request+0x67/0x850 [ 1702.624649] ? mempool_alloc+0x10e/0x2d0 [ 1702.628701] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1702.634138] ? blk_queue_exit+0x1d0/0x1d0 [ 1702.638263] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1702.643258] ? kmem_cache_alloc+0x35f/0x3c0 [ 1702.647557] submit_bio+0x234/0x390 [ 1702.651160] ? generic_make_request+0x850/0x850 [ 1702.655804] ? __lockdep_init_map+0x100/0x560 [ 1702.660274] ? __lockdep_init_map+0x100/0x560 [ 1702.664756] submit_bio_wait+0xe8/0x140 [ 1702.668709] ? submit_bio_wait_endio+0xb0/0xb0 [ 1702.673290] blkdev_issue_flush+0x218/0x320 [ 1702.677606] ext4_sync_fs+0x46f/0x7e0 [ 1702.681383] ? bdev_try_to_free_page+0x150/0x150 [ 1702.686113] ? iterate_supers+0xda/0x490 [ 1702.690223] ? bdev_try_to_free_page+0x150/0x150 [ 1702.694958] ? vfs_fsync_range+0x260/0x260 [ 1702.699292] sync_fs_one_sb+0xb1/0xe0 [ 1702.703088] iterate_supers+0x124/0x490 [ 1702.707048] sys_sync+0x9a/0x130 [ 1702.710409] ? vfs_fsync+0x210/0x210 [ 1702.714108] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1702.719097] ? vfs_fsync+0x210/0x210 [ 1702.722785] do_syscall_64+0x1d5/0x640 [ 1702.726649] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1702.731816] RIP: 0033:0x7f3c6be997c9 [ 1702.735516] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1702.743199] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1702.750441] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1702.757687] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1702.764933] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1702.772188] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000003f [ 1702.787364] FAULT_INJECTION: forcing a failure. executing program executing program executing program [ 1702.787364] name failslab, interval 1, probability 0, space 0, times 0 [ 1702.836607] CPU: 0 PID: 12730 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1702.844722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1702.854070] Call Trace: [ 1702.856654] dump_stack+0x1b2/0x281 [ 1702.860281] should_fail.cold+0x10a/0x149 [ 1702.864424] should_failslab+0xd6/0x130 [ 1702.868400] kmem_cache_alloc+0x28e/0x3c0 [ 1702.872545] start_transaction+0x27c/0xf30 [ 1702.876780] ? vfs_fsync_range+0x260/0x260 [ 1702.881007] btrfs_attach_transaction_barrier+0x22/0x80 [ 1702.886370] btrfs_sync_fs+0xcd/0x430 [ 1702.890165] ? btrfs_freeze+0xb0/0xb0 [ 1702.893966] ? vfs_fsync_range+0x260/0x260 [ 1702.898192] sync_fs_one_sb+0xb1/0xe0 [ 1702.901990] iterate_supers+0x124/0x490 [ 1702.905951] sys_sync+0x9a/0x130 [ 1702.909292] ? vfs_fsync+0x210/0x210 [ 1702.912984] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1702.917975] ? vfs_fsync+0x210/0x210 [ 1702.921678] do_syscall_64+0x1d5/0x640 [ 1702.925546] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1702.930712] RIP: 0033:0x7f3c6be997c9 executing program [ 1702.934415] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1702.942115] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1702.949360] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1702.956608] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1702.963853] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1702.971099] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000057 executing program [ 1703.026487] FAULT_INJECTION: forcing a failure. [ 1703.026487] name failslab, interval 1, probability 0, space 0, times 0 [ 1703.037963] FAULT_INJECTION: forcing a failure. [ 1703.037963] name failslab, interval 1, probability 0, space 0, times 0 [ 1703.038269] FAULT_INJECTION: forcing a failure. [ 1703.038269] name failslab, interval 1, probability 0, space 0, times 0 [ 1703.060395] CPU: 0 PID: 12757 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1703.068639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1703.077970] Call Trace: [ 1703.080539] dump_stack+0x1b2/0x281 [ 1703.084255] should_fail.cold+0x10a/0x149 [ 1703.088389] ? sync_fs_one_sb+0xb1/0xe0 [ 1703.092344] should_failslab+0xd6/0x130 [ 1703.096296] kmem_cache_alloc_node+0x54/0x410 [ 1703.100773] create_task_io_context+0x2a/0x3c0 [ 1703.105335] generic_make_request_checks+0x1350/0x19f0 [ 1703.110591] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1703.114978] ? flush_workqueue+0x129/0x1310 [ 1703.119278] ? flush_workqueue+0x49b/0x1310 [ 1703.123579] generic_make_request+0x67/0x850 [ 1703.127964] ? mempool_alloc+0x10e/0x2d0 [ 1703.132004] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1703.137445] ? blk_queue_exit+0x1d0/0x1d0 [ 1703.141571] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1703.146564] ? kmem_cache_alloc+0x35f/0x3c0 [ 1703.150864] submit_bio+0x234/0x390 [ 1703.154468] ? generic_make_request+0x850/0x850 [ 1703.159115] ? __lockdep_init_map+0x100/0x560 [ 1703.163590] ? __lockdep_init_map+0x100/0x560 [ 1703.168069] submit_bio_wait+0xe8/0x140 [ 1703.172023] ? submit_bio_wait_endio+0xb0/0xb0 [ 1703.176591] blkdev_issue_flush+0x218/0x320 [ 1703.180894] ext4_sync_fs+0x46f/0x7e0 [ 1703.184691] ? bdev_try_to_free_page+0x150/0x150 [ 1703.189424] ? iterate_supers+0xda/0x490 [ 1703.193464] ? bdev_try_to_free_page+0x150/0x150 [ 1703.198201] ? vfs_fsync_range+0x260/0x260 [ 1703.202414] sync_fs_one_sb+0xb1/0xe0 [ 1703.206195] iterate_supers+0x124/0x490 [ 1703.210215] sys_sync+0x9a/0x130 [ 1703.213561] ? vfs_fsync+0x210/0x210 [ 1703.217271] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1703.222263] ? vfs_fsync+0x210/0x210 [ 1703.225954] do_syscall_64+0x1d5/0x640 [ 1703.229825] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1703.234990] RIP: 0033:0x7f3c6be997c9 [ 1703.238694] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1703.246380] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1703.253625] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1703.260874] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1703.268122] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1703.275367] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000058 [ 1703.282845] CPU: 1 PID: 12751 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1703.290804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1703.300146] Call Trace: [ 1703.302723] dump_stack+0x1b2/0x281 [ 1703.306349] should_fail.cold+0x10a/0x149 [ 1703.310490] ? sync_fs_one_sb+0xb1/0xe0 [ 1703.314458] should_failslab+0xd6/0x130 [ 1703.318422] kmem_cache_alloc_node+0x54/0x410 [ 1703.322899] create_task_io_context+0x2a/0x3c0 [ 1703.327476] generic_make_request_checks+0x1350/0x19f0 [ 1703.332736] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1703.337125] ? flush_workqueue+0x129/0x1310 [ 1703.341433] ? flush_workqueue+0x49b/0x1310 [ 1703.345739] generic_make_request+0x67/0x850 [ 1703.350131] ? mempool_alloc+0x10e/0x2d0 [ 1703.354179] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1703.359610] ? blk_queue_exit+0x1d0/0x1d0 [ 1703.363740] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1703.368755] ? kmem_cache_alloc+0x35f/0x3c0 [ 1703.373059] submit_bio+0x234/0x390 [ 1703.376680] ? generic_make_request+0x850/0x850 [ 1703.381327] ? __lockdep_init_map+0x100/0x560 [ 1703.385801] ? __lockdep_init_map+0x100/0x560 [ 1703.390277] submit_bio_wait+0xe8/0x140 [ 1703.394245] ? submit_bio_wait_endio+0xb0/0xb0 [ 1703.398826] blkdev_issue_flush+0x218/0x320 [ 1703.403130] ext4_sync_fs+0x46f/0x7e0 [ 1703.406914] ? bdev_try_to_free_page+0x150/0x150 [ 1703.411678] ? iterate_supers+0xda/0x490 [ 1703.415721] ? bdev_try_to_free_page+0x150/0x150 [ 1703.420456] ? vfs_fsync_range+0x260/0x260 [ 1703.424670] sync_fs_one_sb+0xb1/0xe0 [ 1703.428454] iterate_supers+0x124/0x490 [ 1703.432462] sys_sync+0x9a/0x130 [ 1703.435808] ? vfs_fsync+0x210/0x210 [ 1703.439504] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1703.444500] ? vfs_fsync+0x210/0x210 [ 1703.448193] do_syscall_64+0x1d5/0x640 [ 1703.452065] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1703.457234] RIP: 0033:0x7f3c6be997c9 [ 1703.460923] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1703.468611] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1703.475861] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1703.483110] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1703.490356] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1703.497603] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000061 [ 1703.504865] CPU: 0 PID: 12750 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1703.513180] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1703.522523] Call Trace: [ 1703.525103] dump_stack+0x1b2/0x281 [ 1703.528739] should_fail.cold+0x10a/0x149 [ 1703.532881] ? mempool_free+0x1d0/0x1d0 [ 1703.536842] should_failslab+0xd6/0x130 [ 1703.540797] kmem_cache_alloc+0x40/0x3c0 [ 1703.544839] ? mempool_free+0x1d0/0x1d0 [ 1703.548789] mempool_alloc+0x10e/0x2d0 [ 1703.552653] ? remove_element.isra.0+0x1b0/0x1b0 [ 1703.557392] ? sb_mark_inode_writeback+0xc8/0x460 [ 1703.562219] ? __test_set_page_writeback+0x3eb/0x1000 [ 1703.567407] bio_alloc_bioset+0x41b/0x830 [ 1703.571547] ? bvec_alloc+0x2d0/0x2d0 [ 1703.575334] submit_bh_wbc+0xf5/0x6f0 [ 1703.579175] __block_write_full_page+0x4ee/0x9f0 [ 1703.583909] ? __getblk_gfp+0x70/0x70 [ 1703.587717] ? set_init_blocksize+0x210/0x210 [ 1703.592187] block_write_full_page+0x1d0/0x240 [ 1703.596749] __writepage+0x5a/0xc0 [ 1703.600273] write_cache_pages+0x505/0xd20 [ 1703.604506] ? tag_pages_for_writeback+0x290/0x290 [ 1703.609411] ? clear_page_dirty_for_io+0xb80/0xb80 [ 1703.614317] ? __lock_acquire+0x5fc/0x3f20 [ 1703.618537] ? trace_hardirqs_on+0x10/0x10 [ 1703.622749] ? blkdev_readpages+0x30/0x30 [ 1703.626898] generic_writepages+0xc1/0x110 [ 1703.631118] ? redirty_page_for_writepage+0x60/0x60 [ 1703.636116] ? trace_hardirqs_on+0x10/0x10 [ 1703.640329] blkdev_writepages+0x78/0xd0 [ 1703.644370] do_writepages+0xc3/0x240 [ 1703.648148] ? page_writeback_cpu_online+0x10/0x10 [ 1703.653050] ? lock_acquire+0x170/0x3f0 [ 1703.657000] ? do_raw_spin_unlock+0x164/0x220 [ 1703.661470] ? _raw_spin_unlock+0x29/0x40 [ 1703.665593] ? wbc_attach_and_unlock_inode+0x5e8/0x8d0 [ 1703.670845] __filemap_fdatawrite_range+0x236/0x310 [ 1703.675835] ? replace_page_cache_page+0x700/0x700 [ 1703.680742] ? iput+0xad/0x7e0 [ 1703.683919] iterate_bdevs+0x108/0x260 [ 1703.687789] ? fdatawait_one_bdev+0x60/0x60 [ 1703.692087] sys_sync+0xa8/0x130 [ 1703.695430] ? vfs_fsync+0x210/0x210 [ 1703.699192] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1703.704183] ? vfs_fsync+0x210/0x210 [ 1703.707872] do_syscall_64+0x1d5/0x640 [ 1703.711764] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1703.716932] RIP: 0033:0x7f3c6be997c9 [ 1703.720620] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1703.728303] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1703.735552] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1703.742811] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1703.750060] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1703.757309] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000040 [ 1703.776776] FAULT_INJECTION: forcing a failure. [ 1703.776776] name failslab, interval 1, probability 0, space 0, times 0 [ 1703.788715] BTRFS info (device loop1): disabling disk space caching [ 1703.795537] BTRFS info (device loop1): has skinny extents [ 1703.803440] CPU: 1 PID: 12752 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1703.811405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1703.820746] Call Trace: [ 1703.823329] dump_stack+0x1b2/0x281 [ 1703.826950] should_fail.cold+0x10a/0x149 [ 1703.831079] ? mempool_free+0x1d0/0x1d0 [ 1703.835028] should_failslab+0xd6/0x130 [ 1703.838985] kmem_cache_alloc+0x40/0x3c0 [ 1703.843033] ? mempool_free+0x1d0/0x1d0 [ 1703.846982] mempool_alloc+0x10e/0x2d0 [ 1703.850862] ? remove_element.isra.0+0x1b0/0x1b0 [ 1703.855603] ? __test_set_page_writeback+0x3eb/0x1000 [ 1703.860772] bio_alloc_bioset+0x41b/0x830 [ 1703.864896] ? bvec_alloc+0x2d0/0x2d0 [ 1703.868678] submit_bh_wbc+0xf5/0x6f0 [ 1703.872457] __block_write_full_page+0x4ee/0x9f0 [ 1703.877194] ? __getblk_gfp+0x70/0x70 [ 1703.880971] ? set_init_blocksize+0x210/0x210 [ 1703.885447] block_write_full_page+0x1d0/0x240 [ 1703.890012] __writepage+0x5a/0xc0 [ 1703.893557] write_cache_pages+0x505/0xd20 [ 1703.897772] ? tag_pages_for_writeback+0x290/0x290 [ 1703.902683] ? clear_page_dirty_for_io+0xb80/0xb80 [ 1703.907592] ? __lock_acquire+0x5fc/0x3f20 [ 1703.911807] ? trace_hardirqs_on+0x10/0x10 [ 1703.916020] ? blkdev_readpages+0x30/0x30 [ 1703.920142] generic_writepages+0xc1/0x110 [ 1703.924349] ? redirty_page_for_writepage+0x60/0x60 [ 1703.929339] ? trace_hardirqs_on+0x10/0x10 [ 1703.933558] ? __mutex_lock+0x356/0x1310 [ 1703.937594] blkdev_writepages+0x78/0xd0 [ 1703.941631] do_writepages+0xc3/0x240 [ 1703.945407] ? page_writeback_cpu_online+0x10/0x10 [ 1703.950312] ? lock_acquire+0x170/0x3f0 [ 1703.954259] ? do_raw_spin_unlock+0x164/0x220 [ 1703.958730] ? _raw_spin_unlock+0x29/0x40 [ 1703.962879] ? wbc_attach_and_unlock_inode+0x5e8/0x8d0 [ 1703.968139] __filemap_fdatawrite_range+0x236/0x310 [ 1703.973134] ? replace_page_cache_page+0x700/0x700 [ 1703.978043] ? iput+0xad/0x7e0 [ 1703.981219] iterate_bdevs+0x108/0x260 [ 1703.985097] ? fdatawait_one_bdev+0x60/0x60 [ 1703.989393] sys_sync+0xa8/0x130 [ 1703.992743] ? vfs_fsync+0x210/0x210 [ 1703.996435] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1704.001427] ? vfs_fsync+0x210/0x210 [ 1704.005117] do_syscall_64+0x1d5/0x640 [ 1704.008982] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1704.014161] RIP: 0033:0x7f3c6be997c9 [ 1704.017849] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1704.025543] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1704.032789] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1704.040039] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1704.047290] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1704.054544] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000043 executing program [ 1704.122073] BTRFS info (device loop1): checking UUID tree [ 1704.130168] BTRFS warning (device loop1): btrfs_uuid_scan_kthread failed -28 [ 1704.195606] FAULT_INJECTION: forcing a failure. [ 1704.195606] name failslab, interval 1, probability 0, space 0, times 0 [ 1704.208235] CPU: 0 PID: 12761 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1704.216197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1704.225531] Call Trace: [ 1704.228111] dump_stack+0x1b2/0x281 [ 1704.231727] should_fail.cold+0x10a/0x149 [ 1704.235872] ? sync_fs_one_sb+0xb1/0xe0 [ 1704.239827] should_failslab+0xd6/0x130 [ 1704.243780] kmem_cache_alloc_node+0x54/0x410 [ 1704.248259] create_task_io_context+0x2a/0x3c0 [ 1704.252824] generic_make_request_checks+0x1350/0x19f0 [ 1704.258094] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1704.262480] ? flush_workqueue+0x129/0x1310 [ 1704.266785] ? flush_workqueue+0x49b/0x1310 [ 1704.271087] generic_make_request+0x67/0x850 [ 1704.275471] ? mempool_alloc+0x10e/0x2d0 [ 1704.279509] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1704.284949] ? blk_queue_exit+0x1d0/0x1d0 [ 1704.289079] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1704.294084] ? kmem_cache_alloc+0x35f/0x3c0 [ 1704.298387] submit_bio+0x234/0x390 [ 1704.302011] ? generic_make_request+0x850/0x850 [ 1704.306665] ? __lockdep_init_map+0x100/0x560 [ 1704.311142] ? __lockdep_init_map+0x100/0x560 [ 1704.315616] submit_bio_wait+0xe8/0x140 [ 1704.319570] ? submit_bio_wait_endio+0xb0/0xb0 [ 1704.324179] blkdev_issue_flush+0x218/0x320 [ 1704.328486] ext4_sync_fs+0x46f/0x7e0 [ 1704.332319] ? bdev_try_to_free_page+0x150/0x150 [ 1704.337053] ? iterate_supers+0xda/0x490 [ 1704.341094] ? bdev_try_to_free_page+0x150/0x150 [ 1704.345832] ? vfs_fsync_range+0x260/0x260 [ 1704.350053] sync_fs_one_sb+0xb1/0xe0 [ 1704.353835] iterate_supers+0x124/0x490 [ 1704.357796] sys_sync+0x9a/0x130 [ 1704.361151] ? vfs_fsync+0x210/0x210 [ 1704.364842] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1704.369836] ? vfs_fsync+0x210/0x210 [ 1704.373621] do_syscall_64+0x1d5/0x640 [ 1704.377514] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1704.382689] RIP: 0033:0x7f3c6be997c9 [ 1704.386380] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 executing program [ 1704.394084] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1704.401334] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1704.408590] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1704.415844] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1704.423104] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000041 executing program [ 1704.465856] FAULT_INJECTION: forcing a failure. [ 1704.465856] name failslab, interval 1, probability 0, space 0, times 0 [ 1704.469172] FAULT_INJECTION: forcing a failure. [ 1704.469172] name failslab, interval 1, probability 0, space 0, times 0 [ 1704.492154] CPU: 1 PID: 12798 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1704.500130] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1704.509472] Call Trace: [ 1704.512053] dump_stack+0x1b2/0x281 [ 1704.515678] should_fail.cold+0x10a/0x149 [ 1704.519825] ? sync_fs_one_sb+0xb1/0xe0 [ 1704.523798] should_failslab+0xd6/0x130 [ 1704.527769] kmem_cache_alloc_node+0x54/0x410 [ 1704.532260] create_task_io_context+0x2a/0x3c0 [ 1704.536833] generic_make_request_checks+0x1350/0x19f0 [ 1704.542096] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1704.546483] ? flush_workqueue+0x129/0x1310 [ 1704.550783] ? flush_workqueue+0x49b/0x1310 [ 1704.555084] generic_make_request+0x67/0x850 [ 1704.559471] ? mempool_alloc+0x10e/0x2d0 [ 1704.563511] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1704.568940] ? blk_queue_exit+0x1d0/0x1d0 [ 1704.573065] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1704.578060] ? kmem_cache_alloc+0x35f/0x3c0 [ 1704.582367] submit_bio+0x234/0x390 [ 1704.585972] ? generic_make_request+0x850/0x850 [ 1704.590617] ? __lockdep_init_map+0x100/0x560 [ 1704.595092] ? __lockdep_init_map+0x100/0x560 [ 1704.599591] submit_bio_wait+0xe8/0x140 [ 1704.603544] ? submit_bio_wait_endio+0xb0/0xb0 [ 1704.608111] blkdev_issue_flush+0x218/0x320 [ 1704.612414] ext4_sync_fs+0x46f/0x7e0 [ 1704.616193] ? bdev_try_to_free_page+0x150/0x150 [ 1704.620924] ? iterate_supers+0xda/0x490 [ 1704.624967] ? bdev_try_to_free_page+0x150/0x150 [ 1704.629701] ? vfs_fsync_range+0x260/0x260 [ 1704.633915] sync_fs_one_sb+0xb1/0xe0 [ 1704.637694] iterate_supers+0x124/0x490 [ 1704.641649] sys_sync+0x9a/0x130 [ 1704.644995] ? vfs_fsync+0x210/0x210 [ 1704.648691] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1704.653681] ? vfs_fsync+0x210/0x210 [ 1704.657371] do_syscall_64+0x1d5/0x640 [ 1704.661240] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1704.666408] RIP: 0033:0x7f3c6be997c9 [ 1704.670096] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1704.677788] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1704.685033] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1704.692279] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1704.699524] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1704.706772] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000059 [ 1704.714030] CPU: 0 PID: 12803 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1704.721991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1704.731335] Call Trace: [ 1704.733918] dump_stack+0x1b2/0x281 [ 1704.737544] should_fail.cold+0x10a/0x149 [ 1704.741687] ? lock_downgrade+0x740/0x740 [ 1704.745830] ? mempool_free+0x1d0/0x1d0 [ 1704.749787] should_failslab+0xd6/0x130 [ 1704.753740] kmem_cache_alloc+0x40/0x3c0 [ 1704.757778] ? mempool_free+0x1d0/0x1d0 [ 1704.761727] mempool_alloc+0x10e/0x2d0 [ 1704.765594] ? remove_element.isra.0+0x1b0/0x1b0 [ 1704.770328] ? flush_workqueue+0x40e/0x1310 [ 1704.774631] ? check_preemption_disabled+0x35/0x240 [ 1704.779627] bio_alloc_bioset+0x41b/0x830 [ 1704.783754] ? bvec_alloc+0x2d0/0x2d0 [ 1704.787535] blkdev_issue_flush+0xeb/0x320 [ 1704.791754] ext4_sync_fs+0x46f/0x7e0 [ 1704.795535] ? bdev_try_to_free_page+0x150/0x150 [ 1704.800267] ? iterate_supers+0xda/0x490 [ 1704.804306] ? bdev_try_to_free_page+0x150/0x150 [ 1704.809042] ? vfs_fsync_range+0x260/0x260 [ 1704.813254] sync_fs_one_sb+0xb1/0xe0 [ 1704.817032] iterate_supers+0x124/0x490 [ 1704.820987] sys_sync+0x9a/0x130 [ 1704.824328] ? vfs_fsync+0x210/0x210 [ 1704.828020] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1704.833011] ? vfs_fsync+0x210/0x210 [ 1704.836703] do_syscall_64+0x1d5/0x640 [ 1704.840572] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1704.845742] RIP: 0033:0x7f3c6be997c9 [ 1704.849434] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1704.857119] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 executing program [ 1704.864364] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1704.871610] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1704.878854] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1704.886106] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000040 [ 1704.939512] FAULT_INJECTION: forcing a failure. [ 1704.939512] name failslab, interval 1, probability 0, space 0, times 0 [ 1704.940117] FAULT_INJECTION: forcing a failure. [ 1704.940117] name failslab, interval 1, probability 0, space 0, times 0 [ 1704.961145] CPU: 0 PID: 12806 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1704.970154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1704.979495] Call Trace: [ 1704.982081] dump_stack+0x1b2/0x281 [ 1704.985704] should_fail.cold+0x10a/0x149 [ 1704.989837] ? sync_fs_one_sb+0xb1/0xe0 [ 1704.993801] should_failslab+0xd6/0x130 [ 1704.997768] kmem_cache_alloc_node+0x54/0x410 [ 1705.002246] create_task_io_context+0x2a/0x3c0 [ 1705.006808] generic_make_request_checks+0x1350/0x19f0 [ 1705.012063] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1705.016454] ? flush_workqueue+0x129/0x1310 [ 1705.020751] ? flush_workqueue+0x49b/0x1310 [ 1705.025053] generic_make_request+0x67/0x850 [ 1705.029440] ? mempool_alloc+0x10e/0x2d0 [ 1705.033480] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1705.038906] ? blk_queue_exit+0x1d0/0x1d0 [ 1705.043033] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1705.048026] ? kmem_cache_alloc+0x35f/0x3c0 [ 1705.052328] submit_bio+0x234/0x390 [ 1705.055934] ? generic_make_request+0x850/0x850 [ 1705.060596] ? __lockdep_init_map+0x100/0x560 [ 1705.065075] ? __lockdep_init_map+0x100/0x560 [ 1705.069553] submit_bio_wait+0xe8/0x140 [ 1705.073507] ? submit_bio_wait_endio+0xb0/0xb0 [ 1705.078074] blkdev_issue_flush+0x218/0x320 [ 1705.082378] ext4_sync_fs+0x46f/0x7e0 executing program [ 1705.086158] ? bdev_try_to_free_page+0x150/0x150 [ 1705.090890] ? iterate_supers+0xda/0x490 [ 1705.094931] ? bdev_try_to_free_page+0x150/0x150 [ 1705.099677] ? vfs_fsync_range+0x260/0x260 [ 1705.103904] sync_fs_one_sb+0xb1/0xe0 [ 1705.107692] iterate_supers+0x124/0x490 [ 1705.111655] sys_sync+0x9a/0x130 [ 1705.115011] ? vfs_fsync+0x210/0x210 [ 1705.118724] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1705.123728] ? vfs_fsync+0x210/0x210 [ 1705.127430] do_syscall_64+0x1d5/0x640 [ 1705.131485] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1705.136654] RIP: 0033:0x7f3c6be997c9 [ 1705.140342] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1705.148030] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1705.155278] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1705.162524] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1705.169777] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1705.177034] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000044 [ 1705.184919] CPU: 1 PID: 12814 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1705.192885] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1705.202226] Call Trace: [ 1705.204799] dump_stack+0x1b2/0x281 [ 1705.208409] should_fail.cold+0x10a/0x149 [ 1705.212538] ? sync_fs_one_sb+0xb1/0xe0 [ 1705.216505] should_failslab+0xd6/0x130 [ 1705.220460] kmem_cache_alloc_node+0x54/0x410 [ 1705.224943] create_task_io_context+0x2a/0x3c0 [ 1705.229514] generic_make_request_checks+0x1350/0x19f0 [ 1705.234773] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1705.239178] ? flush_workqueue+0x129/0x1310 [ 1705.243478] ? flush_workqueue+0x49b/0x1310 [ 1705.247782] generic_make_request+0x67/0x850 [ 1705.252168] ? mempool_alloc+0x10e/0x2d0 [ 1705.256222] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1705.261661] ? blk_queue_exit+0x1d0/0x1d0 [ 1705.265790] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1705.270787] ? kmem_cache_alloc+0x35f/0x3c0 [ 1705.275092] submit_bio+0x234/0x390 [ 1705.278708] ? generic_make_request+0x850/0x850 [ 1705.283358] ? __lockdep_init_map+0x100/0x560 [ 1705.287830] ? __lockdep_init_map+0x100/0x560 [ 1705.292306] submit_bio_wait+0xe8/0x140 [ 1705.296276] ? submit_bio_wait_endio+0xb0/0xb0 [ 1705.300841] blkdev_issue_flush+0x218/0x320 [ 1705.305149] ext4_sync_fs+0x46f/0x7e0 [ 1705.308965] ? bdev_try_to_free_page+0x150/0x150 [ 1705.313716] ? iterate_supers+0xda/0x490 [ 1705.317766] ? bdev_try_to_free_page+0x150/0x150 [ 1705.322510] ? vfs_fsync_range+0x260/0x260 [ 1705.326724] sync_fs_one_sb+0xb1/0xe0 [ 1705.330509] iterate_supers+0x124/0x490 [ 1705.334462] sys_sync+0x9a/0x130 [ 1705.337808] ? vfs_fsync+0x210/0x210 [ 1705.341505] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1705.346500] ? vfs_fsync+0x210/0x210 [ 1705.350192] do_syscall_64+0x1d5/0x640 [ 1705.354059] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1705.359224] RIP: 0033:0x7f3c6be997c9 [ 1705.362913] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1705.370607] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1705.377856] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 executing program executing program [ 1705.385122] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1705.392372] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1705.399631] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000041 [ 1705.466954] FAULT_INJECTION: forcing a failure. [ 1705.466954] name failslab, interval 1, probability 0, space 0, times 0 [ 1705.469680] FAULT_INJECTION: forcing a failure. [ 1705.469680] name failslab, interval 1, probability 0, space 0, times 0 [ 1705.480813] CPU: 1 PID: 12818 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1705.497467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1705.503823] FAULT_INJECTION: forcing a failure. [ 1705.503823] name failslab, interval 1, probability 0, space 0, times 0 [ 1705.506829] Call Trace: [ 1705.506843] dump_stack+0x1b2/0x281 [ 1705.506856] should_fail.cold+0x10a/0x149 [ 1705.506866] ? sync_fs_one_sb+0xb1/0xe0 [ 1705.506875] should_failslab+0xd6/0x130 [ 1705.506885] kmem_cache_alloc_node+0x54/0x410 [ 1705.506897] create_task_io_context+0x2a/0x3c0 [ 1705.545293] generic_make_request_checks+0x1350/0x19f0 [ 1705.550552] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1705.554950] ? flush_workqueue+0x129/0x1310 [ 1705.559254] ? flush_workqueue+0x49b/0x1310 [ 1705.563562] generic_make_request+0x67/0x850 [ 1705.567955] ? mempool_alloc+0x10e/0x2d0 [ 1705.572001] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1705.577429] ? blk_queue_exit+0x1d0/0x1d0 [ 1705.581557] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1705.586554] ? kmem_cache_alloc+0x35f/0x3c0 [ 1705.590860] submit_bio+0x234/0x390 [ 1705.594468] ? generic_make_request+0x850/0x850 [ 1705.599115] ? __lockdep_init_map+0x100/0x560 [ 1705.603593] ? __lockdep_init_map+0x100/0x560 [ 1705.608070] submit_bio_wait+0xe8/0x140 [ 1705.612044] ? submit_bio_wait_endio+0xb0/0xb0 [ 1705.616625] blkdev_issue_flush+0x218/0x320 [ 1705.620930] ext4_sync_fs+0x46f/0x7e0 [ 1705.624898] ? bdev_try_to_free_page+0x150/0x150 [ 1705.629635] ? iterate_supers+0xda/0x490 [ 1705.633677] ? bdev_try_to_free_page+0x150/0x150 [ 1705.638413] ? vfs_fsync_range+0x260/0x260 [ 1705.642630] sync_fs_one_sb+0xb1/0xe0 [ 1705.646409] iterate_supers+0x124/0x490 [ 1705.650361] sys_sync+0x9a/0x130 [ 1705.653710] ? vfs_fsync+0x210/0x210 [ 1705.657405] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1705.662402] ? vfs_fsync+0x210/0x210 [ 1705.666097] do_syscall_64+0x1d5/0x640 [ 1705.669973] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1705.675144] RIP: 0033:0x7f3c6be997c9 [ 1705.678832] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1705.686520] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1705.693767] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1705.701019] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1705.708266] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1705.715514] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000062 [ 1705.722775] CPU: 0 PID: 12828 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1705.730736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1705.740081] Call Trace: [ 1705.742664] dump_stack+0x1b2/0x281 [ 1705.746290] should_fail.cold+0x10a/0x149 [ 1705.750431] ? sync_fs_one_sb+0xb1/0xe0 [ 1705.754401] should_failslab+0xd6/0x130 [ 1705.758369] kmem_cache_alloc_node+0x54/0x410 [ 1705.762848] create_task_io_context+0x2a/0x3c0 [ 1705.767410] generic_make_request_checks+0x1350/0x19f0 [ 1705.772674] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1705.777062] ? flush_workqueue+0x129/0x1310 [ 1705.781365] ? flush_workqueue+0x49b/0x1310 [ 1705.785665] generic_make_request+0x67/0x850 [ 1705.790053] ? mempool_alloc+0x10e/0x2d0 [ 1705.794091] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1705.799519] ? blk_queue_exit+0x1d0/0x1d0 [ 1705.803646] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1705.808657] ? kmem_cache_alloc+0x35f/0x3c0 [ 1705.812974] submit_bio+0x234/0x390 [ 1705.816585] ? generic_make_request+0x850/0x850 [ 1705.821233] ? __lockdep_init_map+0x100/0x560 [ 1705.825716] ? __lockdep_init_map+0x100/0x560 [ 1705.830192] submit_bio_wait+0xe8/0x140 [ 1705.834144] ? submit_bio_wait_endio+0xb0/0xb0 [ 1705.838709] blkdev_issue_flush+0x218/0x320 [ 1705.843013] ext4_sync_fs+0x46f/0x7e0 [ 1705.846791] ? bdev_try_to_free_page+0x150/0x150 [ 1705.851547] ? iterate_supers+0xda/0x490 [ 1705.855586] ? bdev_try_to_free_page+0x150/0x150 [ 1705.860319] ? vfs_fsync_range+0x260/0x260 [ 1705.864532] sync_fs_one_sb+0xb1/0xe0 [ 1705.868309] iterate_supers+0x124/0x490 [ 1705.872262] sys_sync+0x9a/0x130 [ 1705.875604] ? vfs_fsync+0x210/0x210 [ 1705.879296] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1705.884288] ? vfs_fsync+0x210/0x210 [ 1705.887977] do_syscall_64+0x1d5/0x640 [ 1705.891846] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1705.897012] RIP: 0033:0x7f3c6be997c9 [ 1705.900702] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1705.908400] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1705.915646] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1705.922892] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1705.930140] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1705.937385] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000042 [ 1705.965285] CPU: 0 PID: 12822 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1705.973265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1705.982610] Call Trace: [ 1705.985190] dump_stack+0x1b2/0x281 [ 1705.988815] should_fail.cold+0x10a/0x149 [ 1705.992955] ? sync_fs_one_sb+0xb1/0xe0 [ 1705.996926] should_failslab+0xd6/0x130 [ 1706.000941] kmem_cache_alloc_node+0x54/0x410 [ 1706.005430] create_task_io_context+0x2a/0x3c0 [ 1706.010006] generic_make_request_checks+0x1350/0x19f0 [ 1706.015278] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1706.019669] ? flush_workqueue+0x129/0x1310 [ 1706.023967] ? flush_workqueue+0x49b/0x1310 [ 1706.028268] generic_make_request+0x67/0x850 [ 1706.032660] ? mempool_alloc+0x10e/0x2d0 [ 1706.036700] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1706.042132] ? blk_queue_exit+0x1d0/0x1d0 [ 1706.046274] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1706.051340] ? kmem_cache_alloc+0x35f/0x3c0 [ 1706.055659] submit_bio+0x234/0x390 [ 1706.059268] ? generic_make_request+0x850/0x850 [ 1706.063919] ? __lockdep_init_map+0x100/0x560 [ 1706.068398] ? __lockdep_init_map+0x100/0x560 [ 1706.072871] submit_bio_wait+0xe8/0x140 [ 1706.076826] ? submit_bio_wait_endio+0xb0/0xb0 [ 1706.081390] blkdev_issue_flush+0x218/0x320 [ 1706.085699] ext4_sync_fs+0x46f/0x7e0 [ 1706.089486] ? bdev_try_to_free_page+0x150/0x150 [ 1706.094220] ? iterate_supers+0xda/0x490 [ 1706.098389] ? bdev_try_to_free_page+0x150/0x150 [ 1706.103169] ? vfs_fsync_range+0x260/0x260 [ 1706.107385] sync_fs_one_sb+0xb1/0xe0 [ 1706.111170] iterate_supers+0x124/0x490 [ 1706.115127] sys_sync+0x9a/0x130 [ 1706.118481] ? vfs_fsync+0x210/0x210 [ 1706.122181] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1706.127176] ? vfs_fsync+0x210/0x210 [ 1706.130873] do_syscall_64+0x1d5/0x640 [ 1706.134768] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1706.139958] RIP: 0033:0x7f3c6be997c9 [ 1706.143642] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1706.151341] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1706.158600] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1706.165859] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1706.173120] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1706.180431] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000005a executing program executing program [ 1706.332265] FAULT_INJECTION: forcing a failure. [ 1706.332265] name failslab, interval 1, probability 0, space 0, times 0 [ 1706.332359] FAULT_INJECTION: forcing a failure. [ 1706.332359] name failslab, interval 1, probability 0, space 0, times 0 [ 1706.359648] CPU: 0 PID: 12843 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1706.367620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1706.376991] Call Trace: [ 1706.379570] dump_stack+0x1b2/0x281 [ 1706.383181] should_fail.cold+0x10a/0x149 [ 1706.387325] should_failslab+0xd6/0x130 [ 1706.391298] kmem_cache_alloc+0x28e/0x3c0 [ 1706.395456] start_transaction+0x27c/0xf30 [ 1706.399692] ? vfs_fsync_range+0x260/0x260 [ 1706.403926] btrfs_attach_transaction_barrier+0x22/0x80 [ 1706.409310] btrfs_sync_fs+0xcd/0x430 [ 1706.413096] ? btrfs_freeze+0xb0/0xb0 [ 1706.416889] ? vfs_fsync_range+0x260/0x260 [ 1706.421121] sync_fs_one_sb+0xb1/0xe0 [ 1706.424914] iterate_supers+0x124/0x490 [ 1706.428887] sys_sync+0x9a/0x130 [ 1706.432235] ? vfs_fsync+0x210/0x210 [ 1706.435936] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1706.440943] ? vfs_fsync+0x210/0x210 [ 1706.444652] do_syscall_64+0x1d5/0x640 [ 1706.448548] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1706.453718] RIP: 0033:0x7f3c6be997c9 [ 1706.457408] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1706.465098] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1706.472347] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1706.479597] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1706.486850] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1706.494102] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000005b [ 1706.501365] CPU: 1 PID: 12841 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1706.509332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1706.518695] Call Trace: [ 1706.521263] dump_stack+0x1b2/0x281 [ 1706.524870] should_fail.cold+0x10a/0x149 [ 1706.529007] ? sync_fs_one_sb+0xb1/0xe0 [ 1706.532979] should_failslab+0xd6/0x130 [ 1706.536948] kmem_cache_alloc_node+0x54/0x410 [ 1706.541430] create_task_io_context+0x2a/0x3c0 [ 1706.546011] generic_make_request_checks+0x1350/0x19f0 [ 1706.551267] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1706.555654] ? flush_workqueue+0x129/0x1310 [ 1706.559954] ? trace_hardirqs_on+0x10/0x10 [ 1706.564167] generic_make_request+0x67/0x850 [ 1706.568569] ? mempool_alloc+0x10e/0x2d0 [ 1706.572624] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1706.578051] ? blk_queue_exit+0x1d0/0x1d0 [ 1706.582179] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1706.587171] ? kmem_cache_alloc+0x35f/0x3c0 [ 1706.591475] submit_bio+0x234/0x390 [ 1706.595082] ? generic_make_request+0x850/0x850 [ 1706.599729] ? __lockdep_init_map+0x100/0x560 [ 1706.604202] ? __lockdep_init_map+0x100/0x560 [ 1706.608690] submit_bio_wait+0xe8/0x140 [ 1706.612644] ? submit_bio_wait_endio+0xb0/0xb0 [ 1706.617208] blkdev_issue_flush+0x218/0x320 [ 1706.621511] ext4_sync_fs+0x46f/0x7e0 [ 1706.625291] ? bdev_try_to_free_page+0x150/0x150 [ 1706.630023] ? iterate_supers+0xda/0x490 [ 1706.634061] ? bdev_try_to_free_page+0x150/0x150 [ 1706.638795] ? vfs_fsync_range+0x260/0x260 [ 1706.643005] sync_fs_one_sb+0xb1/0xe0 [ 1706.646782] iterate_supers+0x124/0x490 [ 1706.650738] sys_sync+0x9a/0x130 [ 1706.654088] ? vfs_fsync+0x210/0x210 [ 1706.657781] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1706.662771] ? vfs_fsync+0x210/0x210 [ 1706.666459] do_syscall_64+0x1d5/0x640 [ 1706.670329] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1706.675508] RIP: 0033:0x7f3c6be997c9 executing program executing program executing program [ 1706.679371] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1706.687055] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1706.694302] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1706.701550] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1706.708798] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1706.716044] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000041 executing program [ 1706.743145] FAULT_INJECTION: forcing a failure. [ 1706.743145] name failslab, interval 1, probability 0, space 0, times 0 [ 1706.757019] FAULT_INJECTION: forcing a failure. [ 1706.757019] name failslab, interval 1, probability 0, space 0, times 0 [ 1706.777840] FAULT_INJECTION: forcing a failure. [ 1706.777840] name failslab, interval 1, probability 0, space 0, times 0 [ 1706.789456] FAULT_INJECTION: forcing a failure. [ 1706.789456] name failslab, interval 1, probability 0, space 0, times 0 [ 1706.805121] CPU: 1 PID: 12854 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1706.813088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1706.822430] Call Trace: [ 1706.825005] dump_stack+0x1b2/0x281 [ 1706.828619] should_fail.cold+0x10a/0x149 [ 1706.832759] ? sync_fs_one_sb+0xb1/0xe0 [ 1706.836727] should_failslab+0xd6/0x130 [ 1706.840698] kmem_cache_alloc_node+0x54/0x410 [ 1706.845189] create_task_io_context+0x2a/0x3c0 [ 1706.849766] generic_make_request_checks+0x1350/0x19f0 [ 1706.855036] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1706.859437] ? flush_workqueue+0x129/0x1310 [ 1706.863745] ? flush_workqueue+0x49b/0x1310 [ 1706.868049] generic_make_request+0x67/0x850 [ 1706.872439] ? mempool_alloc+0x10e/0x2d0 [ 1706.876485] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1706.881935] ? blk_queue_exit+0x1d0/0x1d0 [ 1706.886062] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1706.891056] ? kmem_cache_alloc+0x35f/0x3c0 [ 1706.895358] submit_bio+0x234/0x390 [ 1706.898965] ? generic_make_request+0x850/0x850 [ 1706.903613] ? __lockdep_init_map+0x100/0x560 [ 1706.908085] ? __lockdep_init_map+0x100/0x560 [ 1706.912563] submit_bio_wait+0xe8/0x140 [ 1706.916520] ? submit_bio_wait_endio+0xb0/0xb0 [ 1706.921103] blkdev_issue_flush+0x218/0x320 [ 1706.925407] ext4_sync_fs+0x46f/0x7e0 [ 1706.929190] ? bdev_try_to_free_page+0x150/0x150 [ 1706.933923] ? iterate_supers+0xda/0x490 [ 1706.937963] ? bdev_try_to_free_page+0x150/0x150 [ 1706.942700] ? vfs_fsync_range+0x260/0x260 [ 1706.946911] sync_fs_one_sb+0xb1/0xe0 [ 1706.950692] iterate_supers+0x124/0x490 [ 1706.954647] sys_sync+0x9a/0x130 [ 1706.957992] ? vfs_fsync+0x210/0x210 [ 1706.961688] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1706.966681] ? vfs_fsync+0x210/0x210 [ 1706.970375] do_syscall_64+0x1d5/0x640 [ 1706.974244] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1706.979433] RIP: 0033:0x7f3c6be997c9 [ 1706.983131] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1706.990825] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1706.998092] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1707.005344] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1707.012590] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1707.019846] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000063 [ 1707.027955] CPU: 0 PID: 12858 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1707.035926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1707.045269] Call Trace: [ 1707.047838] dump_stack+0x1b2/0x281 [ 1707.051472] should_fail.cold+0x10a/0x149 [ 1707.055610] should_failslab+0xd6/0x130 [ 1707.059580] kmem_cache_alloc+0x28e/0x3c0 [ 1707.063716] start_transaction+0x27c/0xf30 [ 1707.067943] ? vfs_fsync_range+0x260/0x260 [ 1707.072171] btrfs_attach_transaction_barrier+0x22/0x80 [ 1707.077526] btrfs_sync_fs+0xcd/0x430 [ 1707.081315] ? btrfs_freeze+0xb0/0xb0 [ 1707.085115] ? vfs_fsync_range+0x260/0x260 [ 1707.089334] sync_fs_one_sb+0xb1/0xe0 [ 1707.093112] iterate_supers+0x124/0x490 [ 1707.097077] sys_sync+0x9a/0x130 [ 1707.100429] ? vfs_fsync+0x210/0x210 [ 1707.104130] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1707.109123] ? vfs_fsync+0x210/0x210 [ 1707.112821] do_syscall_64+0x1d5/0x640 [ 1707.116694] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1707.121864] RIP: 0033:0x7f3c6be997c9 [ 1707.125575] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1707.133263] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1707.140518] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1707.147771] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1707.155021] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1707.162272] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000005c [ 1707.169535] CPU: 1 PID: 12855 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1707.177501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1707.186845] Call Trace: [ 1707.189426] dump_stack+0x1b2/0x281 [ 1707.193052] should_fail.cold+0x10a/0x149 [ 1707.197197] ? sync_fs_one_sb+0xb1/0xe0 [ 1707.201251] should_failslab+0xd6/0x130 [ 1707.205207] kmem_cache_alloc_node+0x54/0x410 [ 1707.209682] create_task_io_context+0x2a/0x3c0 [ 1707.214247] generic_make_request_checks+0x1350/0x19f0 [ 1707.219504] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1707.223890] ? flush_workqueue+0x129/0x1310 [ 1707.228189] ? flush_workqueue+0x49b/0x1310 [ 1707.232493] generic_make_request+0x67/0x850 [ 1707.236884] ? mempool_alloc+0x10e/0x2d0 [ 1707.240948] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1707.246388] ? blk_queue_exit+0x1d0/0x1d0 [ 1707.250530] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1707.255531] ? kmem_cache_alloc+0x35f/0x3c0 [ 1707.259835] submit_bio+0x234/0x390 [ 1707.263448] ? generic_make_request+0x850/0x850 [ 1707.268096] ? __lockdep_init_map+0x100/0x560 [ 1707.272571] ? __lockdep_init_map+0x100/0x560 [ 1707.277050] submit_bio_wait+0xe8/0x140 [ 1707.281005] ? submit_bio_wait_endio+0xb0/0xb0 [ 1707.285579] blkdev_issue_flush+0x218/0x320 [ 1707.289889] ext4_sync_fs+0x46f/0x7e0 [ 1707.293675] ? bdev_try_to_free_page+0x150/0x150 [ 1707.298410] ? iterate_supers+0xda/0x490 [ 1707.302451] ? bdev_try_to_free_page+0x150/0x150 [ 1707.307185] ? vfs_fsync_range+0x260/0x260 [ 1707.311401] sync_fs_one_sb+0xb1/0xe0 [ 1707.315183] iterate_supers+0x124/0x490 [ 1707.319144] sys_sync+0x9a/0x130 [ 1707.322489] ? vfs_fsync+0x210/0x210 [ 1707.326188] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1707.331186] ? vfs_fsync+0x210/0x210 [ 1707.334877] do_syscall_64+0x1d5/0x640 [ 1707.338748] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1707.343918] RIP: 0033:0x7f3c6be997c9 [ 1707.347608] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1707.355311] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1707.362558] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1707.369804] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1707.377231] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1707.384480] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000042 [ 1707.391754] CPU: 0 PID: 12856 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1707.399717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1707.409060] Call Trace: [ 1707.411643] dump_stack+0x1b2/0x281 [ 1707.415266] should_fail.cold+0x10a/0x149 [ 1707.419407] ? sync_fs_one_sb+0xb1/0xe0 [ 1707.423367] should_failslab+0xd6/0x130 [ 1707.427323] kmem_cache_alloc_node+0x54/0x410 [ 1707.431819] create_task_io_context+0x2a/0x3c0 [ 1707.436390] generic_make_request_checks+0x1350/0x19f0 [ 1707.441647] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1707.446033] ? flush_workqueue+0x129/0x1310 [ 1707.450348] ? flush_workqueue+0x49b/0x1310 [ 1707.454650] generic_make_request+0x67/0x850 [ 1707.459037] ? mempool_alloc+0x10e/0x2d0 [ 1707.463076] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1707.468506] ? blk_queue_exit+0x1d0/0x1d0 [ 1707.472630] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1707.477624] ? kmem_cache_alloc+0x35f/0x3c0 [ 1707.482026] submit_bio+0x234/0x390 [ 1707.485644] ? generic_make_request+0x850/0x850 [ 1707.490290] ? __lockdep_init_map+0x100/0x560 [ 1707.494764] ? __lockdep_init_map+0x100/0x560 [ 1707.499237] submit_bio_wait+0xe8/0x140 [ 1707.503279] ? submit_bio_wait_endio+0xb0/0xb0 [ 1707.507861] blkdev_issue_flush+0x218/0x320 [ 1707.512161] ext4_sync_fs+0x46f/0x7e0 [ 1707.515955] ? bdev_try_to_free_page+0x150/0x150 [ 1707.520689] ? iterate_supers+0xda/0x490 [ 1707.524728] ? bdev_try_to_free_page+0x150/0x150 [ 1707.529464] ? vfs_fsync_range+0x260/0x260 [ 1707.533676] sync_fs_one_sb+0xb1/0xe0 [ 1707.537458] iterate_supers+0x124/0x490 [ 1707.541414] sys_sync+0x9a/0x130 [ 1707.544758] ? vfs_fsync+0x210/0x210 [ 1707.548451] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1707.553446] ? vfs_fsync+0x210/0x210 [ 1707.557138] do_syscall_64+0x1d5/0x640 [ 1707.561007] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1707.566172] RIP: 0033:0x7f3c6be997c9 [ 1707.569861] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1707.577547] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1707.584792] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 executing program executing program [ 1707.592036] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1707.599294] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1707.606547] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000045 [ 1707.728774] FAULT_INJECTION: forcing a failure. [ 1707.728774] name failslab, interval 1, probability 0, space 0, times 0 [ 1707.744282] CPU: 1 PID: 12873 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1707.752254] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1707.761614] Call Trace: [ 1707.764190] dump_stack+0x1b2/0x281 [ 1707.767798] should_fail.cold+0x10a/0x149 [ 1707.771929] ? sync_fs_one_sb+0xb1/0xe0 [ 1707.775891] should_failslab+0xd6/0x130 [ 1707.779849] kmem_cache_alloc_node+0x54/0x410 [ 1707.784333] create_task_io_context+0x2a/0x3c0 [ 1707.788894] generic_make_request_checks+0x1350/0x19f0 [ 1707.794148] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1707.798534] ? flush_workqueue+0x129/0x1310 [ 1707.802852] ? flush_workqueue+0x49b/0x1310 [ 1707.807153] generic_make_request+0x67/0x850 [ 1707.811538] ? mempool_alloc+0x10e/0x2d0 [ 1707.816292] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1707.821719] ? blk_queue_exit+0x1d0/0x1d0 [ 1707.825848] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1707.830852] ? kmem_cache_alloc+0x35f/0x3c0 [ 1707.835163] submit_bio+0x234/0x390 [ 1707.838777] ? generic_make_request+0x850/0x850 [ 1707.843435] ? __lockdep_init_map+0x100/0x560 [ 1707.847909] ? __lockdep_init_map+0x100/0x560 [ 1707.852407] submit_bio_wait+0xe8/0x140 [ 1707.856363] ? submit_bio_wait_endio+0xb0/0xb0 [ 1707.860926] blkdev_issue_flush+0x218/0x320 [ 1707.865234] ext4_sync_fs+0x46f/0x7e0 [ 1707.869026] ? bdev_try_to_free_page+0x150/0x150 [ 1707.873762] ? iterate_supers+0xda/0x490 [ 1707.877800] ? bdev_try_to_free_page+0x150/0x150 [ 1707.882537] ? vfs_fsync_range+0x260/0x260 [ 1707.886746] sync_fs_one_sb+0xb1/0xe0 [ 1707.890531] iterate_supers+0x124/0x490 [ 1707.894491] sys_sync+0x9a/0x130 [ 1707.898194] ? vfs_fsync+0x210/0x210 [ 1707.901895] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1707.906885] ? vfs_fsync+0x210/0x210 [ 1707.910661] do_syscall_64+0x1d5/0x640 [ 1707.914529] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1707.919696] RIP: 0033:0x7f3c6be997c9 [ 1707.923383] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1707.931068] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1707.938336] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1707.945601] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1707.952858] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1707.960105] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000043 executing program [ 1707.986472] FAULT_INJECTION: forcing a failure. [ 1707.986472] name failslab, interval 1, probability 0, space 0, times 0 [ 1708.014311] CPU: 1 PID: 12874 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1708.022293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1708.031638] Call Trace: executing program [ 1708.034220] dump_stack+0x1b2/0x281 [ 1708.037845] should_fail.cold+0x10a/0x149 [ 1708.041993] ? sync_fs_one_sb+0xb1/0xe0 [ 1708.045974] should_failslab+0xd6/0x130 [ 1708.049948] kmem_cache_alloc_node+0x54/0x410 [ 1708.054443] create_task_io_context+0x2a/0x3c0 [ 1708.059020] generic_make_request_checks+0x1350/0x19f0 [ 1708.064299] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1708.068700] ? flush_workqueue+0x129/0x1310 [ 1708.073024] ? flush_workqueue+0x49b/0x1310 [ 1708.077355] generic_make_request+0x67/0x850 [ 1708.081757] ? mempool_alloc+0x10e/0x2d0 [ 1708.085808] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1708.091236] ? blk_queue_exit+0x1d0/0x1d0 [ 1708.095371] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1708.100800] ? kmem_cache_alloc+0x35f/0x3c0 [ 1708.105110] submit_bio+0x234/0x390 [ 1708.108730] ? generic_make_request+0x850/0x850 [ 1708.113377] ? __lockdep_init_map+0x100/0x560 [ 1708.117845] ? __lockdep_init_map+0x100/0x560 [ 1708.122318] submit_bio_wait+0xe8/0x140 [ 1708.126276] ? submit_bio_wait_endio+0xb0/0xb0 [ 1708.130855] blkdev_issue_flush+0x218/0x320 [ 1708.135153] ext4_sync_fs+0x46f/0x7e0 [ 1708.138945] ? bdev_try_to_free_page+0x150/0x150 [ 1708.143676] ? iterate_supers+0xda/0x490 [ 1708.147712] ? bdev_try_to_free_page+0x150/0x150 [ 1708.152443] ? vfs_fsync_range+0x260/0x260 [ 1708.156651] sync_fs_one_sb+0xb1/0xe0 [ 1708.160429] iterate_supers+0x124/0x490 [ 1708.164380] sys_sync+0x9a/0x130 [ 1708.167740] ? vfs_fsync+0x210/0x210 [ 1708.171431] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1708.176423] ? vfs_fsync+0x210/0x210 [ 1708.180134] do_syscall_64+0x1d5/0x640 [ 1708.183999] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1708.189165] RIP: 0033:0x7f3c6be997c9 [ 1708.192850] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1708.200535] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1708.207799] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1708.215046] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1708.222299] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1708.229544] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000005d executing program executing program executing program [ 1708.276089] FAULT_INJECTION: forcing a failure. [ 1708.276089] name failslab, interval 1, probability 0, space 0, times 0 [ 1708.277841] FAULT_INJECTION: forcing a failure. [ 1708.277841] name failslab, interval 1, probability 0, space 0, times 0 [ 1708.290186] FAULT_INJECTION: forcing a failure. [ 1708.290186] name failslab, interval 1, probability 0, space 0, times 0 [ 1708.322113] FAULT_INJECTION: forcing a failure. [ 1708.322113] name failslab, interval 1, probability 0, space 0, times 0 [ 1708.327274] FAULT_INJECTION: forcing a failure. [ 1708.327274] name failslab, interval 1, probability 0, space 0, times 0 [ 1708.349233] CPU: 1 PID: 12891 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1708.357197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1708.366535] Call Trace: [ 1708.369104] dump_stack+0x1b2/0x281 [ 1708.372779] should_fail.cold+0x10a/0x149 [ 1708.376931] ? sync_fs_one_sb+0xb1/0xe0 [ 1708.380889] should_failslab+0xd6/0x130 [ 1708.384845] kmem_cache_alloc_node+0x54/0x410 [ 1708.389324] create_task_io_context+0x2a/0x3c0 [ 1708.393903] generic_make_request_checks+0x1350/0x19f0 [ 1708.399174] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1708.403566] ? flush_workqueue+0x129/0x1310 [ 1708.407878] ? flush_workqueue+0x49b/0x1310 [ 1708.412181] generic_make_request+0x67/0x850 [ 1708.416570] ? mempool_alloc+0x10e/0x2d0 [ 1708.420611] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1708.426040] ? blk_queue_exit+0x1d0/0x1d0 [ 1708.430171] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1708.435172] ? kmem_cache_alloc+0x35f/0x3c0 [ 1708.439476] submit_bio+0x234/0x390 [ 1708.443083] ? generic_make_request+0x850/0x850 [ 1708.447733] ? __lockdep_init_map+0x100/0x560 [ 1708.452216] ? __lockdep_init_map+0x100/0x560 [ 1708.456704] submit_bio_wait+0xe8/0x140 [ 1708.460658] ? submit_bio_wait_endio+0xb0/0xb0 [ 1708.465224] blkdev_issue_flush+0x218/0x320 [ 1708.469533] ext4_sync_fs+0x46f/0x7e0 [ 1708.473330] ? bdev_try_to_free_page+0x150/0x150 [ 1708.478062] ? iterate_supers+0xda/0x490 [ 1708.482102] ? bdev_try_to_free_page+0x150/0x150 [ 1708.486836] ? vfs_fsync_range+0x260/0x260 [ 1708.491047] sync_fs_one_sb+0xb1/0xe0 [ 1708.494827] iterate_supers+0x124/0x490 [ 1708.498780] sys_sync+0x9a/0x130 [ 1708.502129] ? vfs_fsync+0x210/0x210 [ 1708.505827] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1708.510820] ? vfs_fsync+0x210/0x210 [ 1708.514510] do_syscall_64+0x1d5/0x640 [ 1708.518642] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1708.523810] RIP: 0033:0x7f3c6be997c9 [ 1708.527501] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1708.535186] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1708.542439] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1708.549686] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1708.556932] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1708.564186] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000064 [ 1708.571449] CPU: 0 PID: 12892 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1708.579497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1708.588840] Call Trace: [ 1708.591419] dump_stack+0x1b2/0x281 [ 1708.595042] should_fail.cold+0x10a/0x149 [ 1708.599180] ? sync_fs_one_sb+0xb1/0xe0 [ 1708.603142] should_failslab+0xd6/0x130 [ 1708.607103] kmem_cache_alloc_node+0x54/0x410 [ 1708.611585] create_task_io_context+0x2a/0x3c0 [ 1708.616153] generic_make_request_checks+0x1350/0x19f0 [ 1708.621419] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1708.625818] ? flush_workqueue+0x129/0x1310 [ 1708.630127] ? flush_workqueue+0x49b/0x1310 [ 1708.634438] generic_make_request+0x67/0x850 [ 1708.638829] ? mempool_alloc+0x10e/0x2d0 [ 1708.642872] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1708.648317] ? blk_queue_exit+0x1d0/0x1d0 [ 1708.652445] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1708.657440] ? kmem_cache_alloc+0x35f/0x3c0 [ 1708.661743] submit_bio+0x234/0x390 [ 1708.665362] ? generic_make_request+0x850/0x850 [ 1708.670008] ? __lockdep_init_map+0x100/0x560 [ 1708.674480] ? __lockdep_init_map+0x100/0x560 [ 1708.678955] submit_bio_wait+0xe8/0x140 [ 1708.682920] ? submit_bio_wait_endio+0xb0/0xb0 [ 1708.687489] blkdev_issue_flush+0x218/0x320 [ 1708.691792] ext4_sync_fs+0x46f/0x7e0 [ 1708.695579] ? bdev_try_to_free_page+0x150/0x150 [ 1708.700324] ? iterate_supers+0xda/0x490 [ 1708.704378] ? bdev_try_to_free_page+0x150/0x150 [ 1708.709124] ? vfs_fsync_range+0x260/0x260 [ 1708.713352] sync_fs_one_sb+0xb1/0xe0 [ 1708.717139] iterate_supers+0x124/0x490 [ 1708.721093] sys_sync+0x9a/0x130 [ 1708.724438] ? vfs_fsync+0x210/0x210 [ 1708.728138] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1708.733136] ? vfs_fsync+0x210/0x210 [ 1708.736831] do_syscall_64+0x1d5/0x640 [ 1708.740703] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1708.745877] RIP: 0033:0x7f3c6be997c9 [ 1708.749571] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1708.757270] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1708.764529] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1708.771785] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1708.779040] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1708.786294] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000043 [ 1708.801126] CPU: 1 PID: 12904 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1708.809099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1708.818434] Call Trace: [ 1708.821007] dump_stack+0x1b2/0x281 [ 1708.824616] should_fail.cold+0x10a/0x149 [ 1708.828746] ? sync_fs_one_sb+0xb1/0xe0 [ 1708.832706] should_failslab+0xd6/0x130 [ 1708.836667] kmem_cache_alloc_node+0x54/0x410 [ 1708.841144] create_task_io_context+0x2a/0x3c0 [ 1708.845704] generic_make_request_checks+0x1350/0x19f0 [ 1708.850963] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1708.855352] ? flush_workqueue+0x129/0x1310 [ 1708.859651] ? flush_workqueue+0x49b/0x1310 [ 1708.863953] generic_make_request+0x67/0x850 [ 1708.868360] ? mempool_alloc+0x10e/0x2d0 [ 1708.872401] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1708.877830] ? blk_queue_exit+0x1d0/0x1d0 [ 1708.881958] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1708.886952] ? kmem_cache_alloc+0x35f/0x3c0 [ 1708.891254] submit_bio+0x234/0x390 [ 1708.894861] ? generic_make_request+0x850/0x850 [ 1708.899599] ? __lockdep_init_map+0x100/0x560 [ 1708.904075] ? __lockdep_init_map+0x100/0x560 [ 1708.908551] submit_bio_wait+0xe8/0x140 [ 1708.912526] ? submit_bio_wait_endio+0xb0/0xb0 [ 1708.917095] blkdev_issue_flush+0x218/0x320 [ 1708.921402] ext4_sync_fs+0x46f/0x7e0 [ 1708.925182] ? bdev_try_to_free_page+0x150/0x150 [ 1708.929916] ? iterate_supers+0xda/0x490 [ 1708.933957] ? bdev_try_to_free_page+0x150/0x150 [ 1708.938709] ? vfs_fsync_range+0x260/0x260 [ 1708.942923] sync_fs_one_sb+0xb1/0xe0 [ 1708.946716] iterate_supers+0x124/0x490 [ 1708.950674] sys_sync+0x9a/0x130 [ 1708.954020] ? vfs_fsync+0x210/0x210 [ 1708.957715] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1708.962717] ? vfs_fsync+0x210/0x210 [ 1708.966409] do_syscall_64+0x1d5/0x640 [ 1708.970281] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1708.975447] RIP: 0033:0x7f3c6be997c9 [ 1708.979137] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1708.986826] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1708.994074] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1709.001323] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1709.008573] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1709.015821] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000005e [ 1709.023080] CPU: 0 PID: 12901 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1709.031037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1709.040390] Call Trace: [ 1709.042968] dump_stack+0x1b2/0x281 [ 1709.046583] should_fail.cold+0x10a/0x149 [ 1709.050720] ? sync_fs_one_sb+0xb1/0xe0 [ 1709.054674] should_failslab+0xd6/0x130 [ 1709.058628] kmem_cache_alloc_node+0x54/0x410 [ 1709.063109] create_task_io_context+0x2a/0x3c0 [ 1709.067674] generic_make_request_checks+0x1350/0x19f0 [ 1709.072937] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1709.077335] ? flush_workqueue+0x129/0x1310 [ 1709.081641] ? flush_workqueue+0x49b/0x1310 [ 1709.085944] generic_make_request+0x67/0x850 [ 1709.090334] ? mempool_alloc+0x10e/0x2d0 [ 1709.094378] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1709.099810] ? blk_queue_exit+0x1d0/0x1d0 [ 1709.103939] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1709.108937] ? kmem_cache_alloc+0x35f/0x3c0 [ 1709.113242] submit_bio+0x234/0x390 [ 1709.116854] ? generic_make_request+0x850/0x850 [ 1709.121507] ? __lockdep_init_map+0x100/0x560 [ 1709.125980] ? __lockdep_init_map+0x100/0x560 [ 1709.130462] submit_bio_wait+0xe8/0x140 [ 1709.134436] ? submit_bio_wait_endio+0xb0/0xb0 [ 1709.139018] blkdev_issue_flush+0x218/0x320 [ 1709.143342] ext4_sync_fs+0x46f/0x7e0 [ 1709.147125] ? bdev_try_to_free_page+0x150/0x150 [ 1709.151864] ? iterate_supers+0xda/0x490 [ 1709.155913] ? bdev_try_to_free_page+0x150/0x150 [ 1709.160663] ? vfs_fsync_range+0x260/0x260 [ 1709.164965] sync_fs_one_sb+0xb1/0xe0 [ 1709.168758] iterate_supers+0x124/0x490 [ 1709.172717] sys_sync+0x9a/0x130 [ 1709.176067] ? vfs_fsync+0x210/0x210 [ 1709.180203] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1709.185197] ? vfs_fsync+0x210/0x210 [ 1709.188891] do_syscall_64+0x1d5/0x640 [ 1709.192852] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1709.198027] RIP: 0033:0x7f3c6be997c9 [ 1709.201723] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1709.209433] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1709.216687] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1709.223957] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1709.231215] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1709.238468] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000046 [ 1709.245735] CPU: 1 PID: 12903 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1709.253702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1709.263046] Call Trace: [ 1709.265629] dump_stack+0x1b2/0x281 [ 1709.269257] should_fail.cold+0x10a/0x149 [ 1709.273405] should_failslab+0xd6/0x130 [ 1709.277376] kmem_cache_alloc+0x28e/0x3c0 [ 1709.281603] start_transaction+0x27c/0xf30 [ 1709.285837] ? vfs_fsync_range+0x260/0x260 [ 1709.290057] btrfs_attach_transaction_barrier+0x22/0x80 [ 1709.295421] btrfs_sync_fs+0xcd/0x430 [ 1709.299727] ? btrfs_freeze+0xb0/0xb0 [ 1709.303503] ? vfs_fsync_range+0x260/0x260 [ 1709.307722] sync_fs_one_sb+0xb1/0xe0 [ 1709.311500] iterate_supers+0x124/0x490 [ 1709.315451] sys_sync+0x9a/0x130 [ 1709.318791] ? vfs_fsync+0x210/0x210 [ 1709.322482] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1709.327472] ? vfs_fsync+0x210/0x210 [ 1709.331163] do_syscall_64+0x1d5/0x640 [ 1709.335031] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1709.340212] RIP: 0033:0x7f3c6be997c9 [ 1709.343899] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1709.351587] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1709.358854] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1709.366101] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1709.373346] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1709.380597] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000042 executing program [ 1709.450820] BTRFS info (device loop1): disabling disk space caching [ 1709.472441] BTRFS info (device loop1): has skinny extents executing program [ 1709.547067] BTRFS info (device loop1): checking UUID tree [ 1709.557840] BTRFS warning (device loop1): btrfs_uuid_scan_kthread failed -28 executing program [ 1709.685231] FAULT_INJECTION: forcing a failure. [ 1709.685231] name failslab, interval 1, probability 0, space 0, times 0 [ 1709.685417] FAULT_INJECTION: forcing a failure. [ 1709.685417] name failslab, interval 1, probability 0, space 0, times 0 [ 1709.696911] FAULT_INJECTION: forcing a failure. [ 1709.696911] name failslab, interval 1, probability 0, space 0, times 0 [ 1709.721810] CPU: 0 PID: 12952 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1709.729775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1709.739106] Call Trace: [ 1709.741680] dump_stack+0x1b2/0x281 [ 1709.745296] should_fail.cold+0x10a/0x149 [ 1709.749449] ? sync_fs_one_sb+0xb1/0xe0 [ 1709.753405] should_failslab+0xd6/0x130 [ 1709.757370] kmem_cache_alloc_node+0x54/0x410 [ 1709.761852] create_task_io_context+0x2a/0x3c0 [ 1709.766415] generic_make_request_checks+0x1350/0x19f0 [ 1709.771674] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1709.776066] ? flush_workqueue+0x129/0x1310 [ 1709.780382] ? flush_workqueue+0x49b/0x1310 [ 1709.784683] generic_make_request+0x67/0x850 [ 1709.789070] ? mempool_alloc+0x10e/0x2d0 [ 1709.793111] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1709.798539] ? blk_queue_exit+0x1d0/0x1d0 [ 1709.802665] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1709.807659] ? kmem_cache_alloc+0x35f/0x3c0 [ 1709.811961] submit_bio+0x234/0x390 [ 1709.815575] ? generic_make_request+0x850/0x850 [ 1709.820226] ? __lockdep_init_map+0x100/0x560 [ 1709.824700] ? __lockdep_init_map+0x100/0x560 [ 1709.829181] submit_bio_wait+0xe8/0x140 [ 1709.833133] ? submit_bio_wait_endio+0xb0/0xb0 [ 1709.837707] blkdev_issue_flush+0x218/0x320 [ 1709.842039] ext4_sync_fs+0x46f/0x7e0 [ 1709.845825] ? bdev_try_to_free_page+0x150/0x150 [ 1709.850564] ? iterate_supers+0xda/0x490 [ 1709.854613] ? bdev_try_to_free_page+0x150/0x150 [ 1709.859348] ? vfs_fsync_range+0x260/0x260 [ 1709.863565] sync_fs_one_sb+0xb1/0xe0 [ 1709.867345] iterate_supers+0x124/0x490 [ 1709.871301] sys_sync+0x9a/0x130 [ 1709.874663] ? vfs_fsync+0x210/0x210 [ 1709.878366] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1709.883363] ? vfs_fsync+0x210/0x210 [ 1709.887055] do_syscall_64+0x1d5/0x640 [ 1709.890926] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1709.896105] RIP: 0033:0x7f3c6be997c9 [ 1709.899800] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1709.907485] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1709.914737] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1709.921988] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1709.929239] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1709.936492] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 000000000000005f [ 1709.943759] CPU: 1 PID: 12957 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1709.951727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1709.961245] Call Trace: [ 1709.963827] dump_stack+0x1b2/0x281 [ 1709.967442] should_fail.cold+0x10a/0x149 [ 1709.971587] should_failslab+0xd6/0x130 [ 1709.975557] kmem_cache_alloc+0x28e/0x3c0 [ 1709.979704] start_transaction+0x27c/0xf30 [ 1709.983944] ? vfs_fsync_range+0x260/0x260 [ 1709.988175] btrfs_attach_transaction_barrier+0x22/0x80 [ 1709.993532] btrfs_sync_fs+0xcd/0x430 [ 1709.997327] ? btrfs_freeze+0xb0/0xb0 [ 1710.001125] ? vfs_fsync_range+0x260/0x260 [ 1710.005353] sync_fs_one_sb+0xb1/0xe0 [ 1710.009162] iterate_supers+0x124/0x490 [ 1710.013131] sys_sync+0x9a/0x130 [ 1710.016486] ? vfs_fsync+0x210/0x210 [ 1710.020195] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1710.025193] ? vfs_fsync+0x210/0x210 [ 1710.028886] do_syscall_64+0x1d5/0x640 [ 1710.032756] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1710.037923] RIP: 0033:0x7f3c6be997c9 [ 1710.041615] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1710.049300] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1710.056564] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1710.063969] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1710.071220] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1710.078468] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000065 [ 1710.085729] CPU: 0 PID: 12920 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1710.087121] Bluetooth: hci3 command 0x0406 tx timeout [ 1710.093689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1710.093692] Call Trace: [ 1710.093706] dump_stack+0x1b2/0x281 [ 1710.093718] should_fail.cold+0x10a/0x149 [ 1710.093735] ? lock_downgrade+0x740/0x740 [ 1710.105009] Bluetooth: hci0 command 0x0406 tx timeout [ 1710.108236] ? mempool_free+0x1d0/0x1d0 [ 1710.108244] should_failslab+0xd6/0x130 executing program [ 1710.108253] kmem_cache_alloc+0x40/0x3c0 [ 1710.108261] ? mempool_free+0x1d0/0x1d0 [ 1710.108271] mempool_alloc+0x10e/0x2d0 [ 1710.108282] ? remove_element.isra.0+0x1b0/0x1b0 [ 1710.108291] ? flush_workqueue+0x40e/0x1310 [ 1710.108300] ? check_preemption_disabled+0x35/0x240 [ 1710.108312] bio_alloc_bioset+0x41b/0x830 [ 1710.108323] ? bvec_alloc+0x2d0/0x2d0 [ 1710.108337] blkdev_issue_flush+0xeb/0x320 [ 1710.108348] ext4_sync_fs+0x46f/0x7e0 [ 1710.108358] ? bdev_try_to_free_page+0x150/0x150 [ 1710.108365] ? iterate_supers+0xda/0x490 [ 1710.108374] ? bdev_try_to_free_page+0x150/0x150 [ 1710.108383] ? vfs_fsync_range+0x260/0x260 [ 1710.108390] sync_fs_one_sb+0xb1/0xe0 [ 1710.108397] iterate_supers+0x124/0x490 [ 1710.108407] sys_sync+0x9a/0x130 [ 1710.108415] ? vfs_fsync+0x210/0x210 [ 1710.108427] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1710.108434] ? vfs_fsync+0x210/0x210 [ 1710.108442] do_syscall_64+0x1d5/0x640 [ 1710.108455] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1710.108462] RIP: 0033:0x7f3c6be997c9 executing program executing program [ 1710.108466] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1710.108475] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1710.108480] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1710.108484] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1710.108488] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1710.108495] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000044 [ 1710.114774] Bluetooth: hci5 command 0x0406 tx timeout [ 1710.285220] Bluetooth: hci1 command 0x0406 tx timeout [ 1710.290642] Bluetooth: hci4 command 0x0406 tx timeout [ 1710.291417] FAULT_INJECTION: forcing a failure. [ 1710.291417] name failslab, interval 1, probability 0, space 0, times 0 [ 1710.307353] Bluetooth: hci2 command 0x0406 tx timeout [ 1710.333544] CPU: 1 PID: 12966 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1710.341518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1710.350860] Call Trace: [ 1710.353453] dump_stack+0x1b2/0x281 [ 1710.357082] should_fail.cold+0x10a/0x149 [ 1710.361232] should_failslab+0xd6/0x130 [ 1710.365200] kmem_cache_alloc_trace+0x47/0x3d0 [ 1710.369769] bdi_split_work_to_wbs+0x288/0xcf0 [ 1710.374348] ? wb_queue_work+0x480/0x480 [ 1710.378387] ? lock_acquire+0x170/0x3f0 [ 1710.382338] ? sync_inodes_sb+0x156/0x880 [ 1710.386481] sync_inodes_sb+0x168/0x880 [ 1710.390434] ? try_to_writeback_inodes_sb_nr+0x70/0x70 [ 1710.395693] ? call_rwsem_down_read_failed+0x14/0x30 [ 1710.401035] ? SyS_tee+0x9e0/0x9e0 [ 1710.404560] sync_inodes_one_sb+0x3d/0x50 [ 1710.408691] iterate_supers+0x124/0x490 [ 1710.412643] sys_sync+0x78/0x130 [ 1710.415999] ? vfs_fsync+0x210/0x210 [ 1710.419699] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1710.424693] ? vfs_fsync+0x210/0x210 [ 1710.428379] do_syscall_64+0x1d5/0x640 [ 1710.432246] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1710.437415] RIP: 0033:0x7f3c6be997c9 [ 1710.441108] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1710.448801] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1710.456060] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1710.463303] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1710.470546] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 executing program [ 1710.477894] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000044 [ 1710.537366] FAULT_INJECTION: forcing a failure. [ 1710.537366] name failslab, interval 1, probability 0, space 0, times 0 [ 1710.537788] FAULT_INJECTION: forcing a failure. [ 1710.537788] name failslab, interval 1, probability 0, space 0, times 0 [ 1710.548743] FAULT_INJECTION: forcing a failure. [ 1710.548743] name failslab, interval 1, probability 0, space 0, times 0 [ 1710.548754] CPU: 0 PID: 12977 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1710.548758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1710.548762] Call Trace: [ 1710.548774] dump_stack+0x1b2/0x281 [ 1710.548786] should_fail.cold+0x10a/0x149 [ 1710.548795] ? sync_fs_one_sb+0xb1/0xe0 [ 1710.548804] should_failslab+0xd6/0x130 [ 1710.548814] kmem_cache_alloc_node+0x54/0x410 [ 1710.548824] create_task_io_context+0x2a/0x3c0 [ 1710.548836] generic_make_request_checks+0x1350/0x19f0 [ 1710.620894] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1710.625310] ? flush_workqueue+0x129/0x1310 [ 1710.629644] ? flush_workqueue+0x49b/0x1310 [ 1710.633952] generic_make_request+0x67/0x850 [ 1710.638353] ? mempool_alloc+0x10e/0x2d0 [ 1710.642398] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1710.647829] ? blk_queue_exit+0x1d0/0x1d0 [ 1710.651958] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1710.656958] ? kmem_cache_alloc+0x35f/0x3c0 [ 1710.661267] submit_bio+0x234/0x390 [ 1710.664881] ? generic_make_request+0x850/0x850 [ 1710.669543] ? __lockdep_init_map+0x100/0x560 [ 1710.674029] ? __lockdep_init_map+0x100/0x560 [ 1710.678518] submit_bio_wait+0xe8/0x140 [ 1710.682475] ? submit_bio_wait_endio+0xb0/0xb0 [ 1710.687048] blkdev_issue_flush+0x218/0x320 [ 1710.691356] ext4_sync_fs+0x46f/0x7e0 [ 1710.695146] ? bdev_try_to_free_page+0x150/0x150 [ 1710.699888] ? iterate_supers+0xda/0x490 [ 1710.703932] ? bdev_try_to_free_page+0x150/0x150 [ 1710.708666] ? vfs_fsync_range+0x260/0x260 [ 1710.712880] sync_fs_one_sb+0xb1/0xe0 [ 1710.716666] iterate_supers+0x124/0x490 [ 1710.720625] sys_sync+0x9a/0x130 [ 1710.723969] ? vfs_fsync+0x210/0x210 [ 1710.727671] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1710.732672] ? vfs_fsync+0x210/0x210 [ 1710.736368] do_syscall_64+0x1d5/0x640 [ 1710.740246] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1710.745423] RIP: 0033:0x7f3c6be997c9 [ 1710.749123] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1710.756811] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1710.764060] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1710.771306] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1710.778552] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1710.785801] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000060 [ 1710.801139] CPU: 0 PID: 12965 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1710.809113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1710.818445] Call Trace: [ 1710.821013] dump_stack+0x1b2/0x281 [ 1710.824626] should_fail.cold+0x10a/0x149 [ 1710.828758] ? lock_downgrade+0x740/0x740 [ 1710.832886] ? mempool_free+0x1d0/0x1d0 [ 1710.836841] should_failslab+0xd6/0x130 [ 1710.840810] kmem_cache_alloc+0x40/0x3c0 [ 1710.844869] ? mempool_free+0x1d0/0x1d0 [ 1710.848825] mempool_alloc+0x10e/0x2d0 [ 1710.852699] ? remove_element.isra.0+0x1b0/0x1b0 [ 1710.857433] ? mark_held_locks+0xa6/0xf0 [ 1710.861474] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 1710.866554] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1710.871550] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 1710.876638] bio_alloc_bioset+0x41b/0x830 [ 1710.880776] ? bvec_alloc+0x2d0/0x2d0 [ 1710.884573] blkdev_issue_flush+0xeb/0x320 [ 1710.888793] ext4_sync_fs+0x46f/0x7e0 [ 1710.892594] ? bdev_try_to_free_page+0x150/0x150 [ 1710.897589] ? iterate_supers+0xda/0x490 [ 1710.901633] ? bdev_try_to_free_page+0x150/0x150 [ 1710.906366] ? vfs_fsync_range+0x260/0x260 [ 1710.910578] sync_fs_one_sb+0xb1/0xe0 [ 1710.914357] iterate_supers+0x124/0x490 [ 1710.918312] sys_sync+0x9a/0x130 [ 1710.921658] ? vfs_fsync+0x210/0x210 [ 1710.925371] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1710.930366] ? vfs_fsync+0x210/0x210 [ 1710.934059] do_syscall_64+0x1d5/0x640 [ 1710.937929] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1710.943098] RIP: 0033:0x7f3c6be997c9 [ 1710.946786] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1710.954475] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1710.961728] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1710.968976] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1710.976397] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1710.983648] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000043 [ 1710.990924] CPU: 1 PID: 12984 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1710.998891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1711.008233] Call Trace: [ 1711.010813] dump_stack+0x1b2/0x281 [ 1711.014435] should_fail.cold+0x10a/0x149 [ 1711.018574] ? sync_fs_one_sb+0xb1/0xe0 [ 1711.022548] should_failslab+0xd6/0x130 [ 1711.026521] kmem_cache_alloc_node+0x54/0x410 [ 1711.031003] create_task_io_context+0x2a/0x3c0 [ 1711.035559] generic_make_request_checks+0x1350/0x19f0 [ 1711.040810] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1711.045195] ? flush_workqueue+0x129/0x1310 [ 1711.049490] ? flush_workqueue+0x49b/0x1310 [ 1711.053789] generic_make_request+0x67/0x850 [ 1711.058173] ? mempool_alloc+0x10e/0x2d0 [ 1711.062223] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1711.067645] ? blk_queue_exit+0x1d0/0x1d0 [ 1711.071783] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1711.076774] ? kmem_cache_alloc+0x35f/0x3c0 [ 1711.081156] submit_bio+0x234/0x390 [ 1711.084768] ? generic_make_request+0x850/0x850 [ 1711.089420] ? __lockdep_init_map+0x100/0x560 [ 1711.094018] ? __lockdep_init_map+0x100/0x560 [ 1711.098500] submit_bio_wait+0xe8/0x140 [ 1711.102453] ? submit_bio_wait_endio+0xb0/0xb0 [ 1711.107016] blkdev_issue_flush+0x218/0x320 [ 1711.111316] ext4_sync_fs+0x46f/0x7e0 [ 1711.115095] ? bdev_try_to_free_page+0x150/0x150 [ 1711.119825] ? iterate_supers+0xda/0x490 [ 1711.123863] ? bdev_try_to_free_page+0x150/0x150 [ 1711.128593] ? vfs_fsync_range+0x260/0x260 [ 1711.132805] sync_fs_one_sb+0xb1/0xe0 [ 1711.136583] iterate_supers+0x124/0x490 [ 1711.140533] sys_sync+0x9a/0x130 [ 1711.143883] ? vfs_fsync+0x210/0x210 [ 1711.147576] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1711.152564] ? vfs_fsync+0x210/0x210 [ 1711.156251] do_syscall_64+0x1d5/0x640 [ 1711.160119] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1711.165283] RIP: 0033:0x7f3c6be997c9 [ 1711.168966] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1711.176649] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1711.184036] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1711.191278] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1711.198622] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1711.205865] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000047 executing program executing program executing program executing program [ 1711.301760] BTRFS info (device loop1): disabling disk space caching [ 1711.326999] BTRFS info (device loop1): has skinny extents [ 1711.391218] BTRFS info (device loop1): checking UUID tree [ 1711.398605] BTRFS warning (device loop1): btrfs_uuid_scan_kthread failed -28 [ 1711.425075] FAULT_INJECTION: forcing a failure. [ 1711.425075] name failslab, interval 1, probability 0, space 0, times 0 [ 1711.425208] FAULT_INJECTION: forcing a failure. [ 1711.425208] name failslab, interval 1, probability 0, space 0, times 0 [ 1711.440390] CPU: 0 PID: 12996 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1711.448048] FAULT_INJECTION: forcing a failure. [ 1711.448048] name failslab, interval 1, probability 0, space 0, times 0 [ 1711.455441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1711.455445] Call Trace: [ 1711.455459] dump_stack+0x1b2/0x281 [ 1711.455472] should_fail.cold+0x10a/0x149 [ 1711.455481] ? sync_fs_one_sb+0xb1/0xe0 [ 1711.455490] should_failslab+0xd6/0x130 [ 1711.455501] kmem_cache_alloc_node+0x54/0x410 [ 1711.455516] create_task_io_context+0x2a/0x3c0 [ 1711.455525] generic_make_request_checks+0x1350/0x19f0 [ 1711.455536] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 1711.455544] ? flush_workqueue+0x129/0x1310 [ 1711.455552] ? flush_workqueue+0x49b/0x1310 [ 1711.455562] generic_make_request+0x67/0x850 [ 1711.455570] ? mempool_alloc+0x10e/0x2d0 [ 1711.455582] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1711.467397] FAULT_INJECTION: forcing a failure. [ 1711.467397] name failslab, interval 1, probability 0, space 0, times 0 [ 1711.476087] ? blk_queue_exit+0x1d0/0x1d0 [ 1711.476097] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1711.476106] ? kmem_cache_alloc+0x35f/0x3c0 [ 1711.476116] submit_bio+0x234/0x390 [ 1711.476124] ? generic_make_request+0x850/0x850 [ 1711.476133] ? __lockdep_init_map+0x100/0x560 [ 1711.572732] ? __lockdep_init_map+0x100/0x560 [ 1711.577213] submit_bio_wait+0xe8/0x140 [ 1711.581172] ? submit_bio_wait_endio+0xb0/0xb0 [ 1711.585740] blkdev_issue_flush+0x218/0x320 [ 1711.590045] ext4_sync_fs+0x46f/0x7e0 [ 1711.593826] ? bdev_try_to_free_page+0x150/0x150 [ 1711.598558] ? iterate_supers+0xda/0x490 [ 1711.602600] ? bdev_try_to_free_page+0x150/0x150 [ 1711.607333] ? vfs_fsync_range+0x260/0x260 [ 1711.611545] sync_fs_one_sb+0xb1/0xe0 [ 1711.615325] iterate_supers+0x124/0x490 [ 1711.619282] sys_sync+0x9a/0x130 [ 1711.622627] ? vfs_fsync+0x210/0x210 [ 1711.626325] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1711.631318] ? vfs_fsync+0x210/0x210 [ 1711.635012] do_syscall_64+0x1d5/0x640 [ 1711.638881] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1711.644048] RIP: 0033:0x7f3c6be997c9 [ 1711.647737] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1711.655423] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1711.662672] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1711.669919] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1711.677168] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1711.684416] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000045 [ 1711.691676] CPU: 1 PID: 13009 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1711.699641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1711.708980] Call Trace: [ 1711.711553] dump_stack+0x1b2/0x281 [ 1711.715166] should_fail.cold+0x10a/0x149 [ 1711.719294] should_failslab+0xd6/0x130 [ 1711.723266] kmem_cache_alloc+0x28e/0x3c0 [ 1711.727396] start_transaction+0x27c/0xf30 [ 1711.731614] ? vfs_fsync_range+0x260/0x260 [ 1711.735826] btrfs_attach_transaction_barrier+0x22/0x80 [ 1711.741170] btrfs_sync_fs+0xcd/0x430 [ 1711.744950] ? btrfs_freeze+0xb0/0xb0 [ 1711.748748] ? vfs_fsync_range+0x260/0x260 [ 1711.752961] sync_fs_one_sb+0xb1/0xe0 [ 1711.756759] iterate_supers+0x124/0x490 [ 1711.760717] sys_sync+0x9a/0x130 [ 1711.764082] ? vfs_fsync+0x210/0x210 [ 1711.767776] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1711.772768] ? vfs_fsync+0x210/0x210 [ 1711.776458] do_syscall_64+0x1d5/0x640 [ 1711.780330] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1711.785496] RIP: 0033:0x7f3c6be997c9 [ 1711.789185] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1711.797218] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1711.804468] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1711.811715] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1711.818968] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1711.826223] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000045 [ 1711.833483] CPU: 0 PID: 13000 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1711.841455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1711.850791] Call Trace: [ 1711.853361] dump_stack+0x1b2/0x281 [ 1711.856972] should_fail.cold+0x10a/0x149 [ 1711.861103] should_failslab+0xd6/0x130 [ 1711.865072] kmem_cache_alloc+0x28e/0x3c0 [ 1711.869199] __btrfs_run_delayed_items+0x57/0x410 [ 1711.874024] btrfs_commit_transaction+0x420/0x2210 [ 1711.878938] ? btrfs_record_root_in_trans+0x106/0x150 [ 1711.884108] ? btrfs_apply_pending_changes+0x100/0x100 [ 1711.889362] ? start_transaction+0x1f2/0xf30 [ 1711.893755] ? vfs_fsync_range+0x260/0x260 [ 1711.898316] btrfs_sync_fs+0xe9/0x430 [ 1711.902096] ? btrfs_freeze+0xb0/0xb0 [ 1711.905874] ? vfs_fsync_range+0x260/0x260 [ 1711.910087] sync_fs_one_sb+0xb1/0xe0 [ 1711.913865] iterate_supers+0x124/0x490 [ 1711.917820] sys_sync+0x9a/0x130 [ 1711.921164] ? vfs_fsync+0x210/0x210 [ 1711.924863] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1711.929858] ? vfs_fsync+0x210/0x210 [ 1711.933551] do_syscall_64+0x1d5/0x640 [ 1711.937421] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1711.942609] RIP: 0033:0x7f3c6be997c9 [ 1711.946298] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1711.953986] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1711.961323] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1711.968572] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1711.975835] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1711.983097] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000061 [ 1711.990452] CPU: 1 PID: 12993 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1711.998416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1712.007784] Call Trace: [ 1712.010361] dump_stack+0x1b2/0x281 [ 1712.013987] should_fail.cold+0x10a/0x149 [ 1712.018132] ? lock_downgrade+0x740/0x740 [ 1712.019240] BTRFS warning (device loop1): Skipping commit of aborted transaction. [ 1712.022267] ? mempool_free+0x1d0/0x1d0 [ 1712.022276] should_failslab+0xd6/0x130 [ 1712.022286] kmem_cache_alloc+0x40/0x3c0 [ 1712.022294] ? mempool_free+0x1d0/0x1d0 [ 1712.033844] mempool_alloc+0x10e/0x2d0 [ 1712.033857] ? remove_element.isra.0+0x1b0/0x1b0 [ 1712.033867] ? flush_workqueue+0x40e/0x1310 [ 1712.033876] ? check_preemption_disabled+0x35/0x240 [ 1712.042151] ------------[ cut here ]------------ [ 1712.045829] bio_alloc_bioset+0x41b/0x830 [ 1712.049695] WARNING: CPU: 0 PID: 13000 at fs/btrfs/transaction.c:1883 cleanup_transaction.cold+0x14/0x7ab [ 1712.054422] ? bvec_alloc+0x2d0/0x2d0 [ 1712.058717] Kernel panic - not syncing: panic_on_warn set ... [ 1712.058717] [ 1712.063714] blkdev_issue_flush+0xeb/0x320 [ 1712.097570] ext4_sync_fs+0x46f/0x7e0 [ 1712.101354] ? bdev_try_to_free_page+0x150/0x150 [ 1712.106091] ? iterate_supers+0xda/0x490 [ 1712.110137] ? bdev_try_to_free_page+0x150/0x150 [ 1712.114887] ? vfs_fsync_range+0x260/0x260 [ 1712.119098] sync_fs_one_sb+0xb1/0xe0 [ 1712.122879] iterate_supers+0x124/0x490 [ 1712.126834] sys_sync+0x9a/0x130 [ 1712.130179] ? vfs_fsync+0x210/0x210 [ 1712.133879] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1712.138876] ? vfs_fsync+0x210/0x210 [ 1712.142569] do_syscall_64+0x1d5/0x640 [ 1712.146441] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1712.151610] RIP: 0033:0x7f3c6be997c9 [ 1712.155297] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1712.162989] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1712.170238] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1712.177486] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1712.184734] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1712.191983] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000066 [ 1712.199244] CPU: 0 PID: 13000 Comm: syz-executor793 Not tainted 4.14.267-syzkaller #0 [ 1712.207202] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1712.216549] Call Trace: [ 1712.219134] dump_stack+0x1b2/0x281 [ 1712.222758] panic+0x1f9/0x42d [ 1712.225947] ? add_taint.cold+0x16/0x16 [ 1712.229922] ? cleanup_transaction.cold+0x14/0x7ab [ 1712.234855] ? cleanup_transaction.cold+0x14/0x7ab [ 1712.239953] __warn.cold+0x20/0x44 [ 1712.243486] ? ist_end_non_atomic+0x10/0x10 [ 1712.247803] ? cleanup_transaction.cold+0x14/0x7ab [ 1712.252727] report_bug+0x208/0x250 [ 1712.256350] do_error_trap+0x195/0x2d0 [ 1712.260232] ? math_error+0x2d0/0x2d0 [ 1712.264026] ? ___preempt_schedule+0x16/0x18 [ 1712.268435] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1712.273271] invalid_op+0x1b/0x40 [ 1712.276711] RIP: 0010:cleanup_transaction.cold+0x14/0x7ab [ 1712.282228] RSP: 0018:ffff88809ee7fb98 EFLAGS: 00010286 [ 1712.287591] RAX: 0000000000000026 RBX: ffff8880b50bed80 RCX: 0000000000000000 [ 1712.294837] RDX: 0000000000000000 RSI: ffffffff878bbcc0 RDI: ffffed1013dcff69 [ 1712.302084] RBP: ffff88808bf9ba10 R08: 0000000000000026 R09: 0000000000000000 [ 1712.309328] R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff11013dcff7a [ 1712.316573] R13: 00000000fffffff4 R14: ffff88808bf9ba70 R15: ffff88808bf9ba40 [ 1712.323842] ? cleanup_transaction.cold+0x14/0x7ab [ 1712.328751] ? wait_current_trans+0x2f0/0x2f0 [ 1712.333222] ? wait_woken+0x230/0x230 [ 1712.337011] ? kmem_cache_alloc+0x35f/0x3c0 [ 1712.341318] btrfs_commit_transaction+0x1735/0x2210 [ 1712.346318] ? btrfs_record_root_in_trans+0x106/0x150 [ 1712.351483] ? btrfs_apply_pending_changes+0x100/0x100 [ 1712.356752] ? start_transaction+0x1f2/0xf30 [ 1712.361158] ? vfs_fsync_range+0x260/0x260 [ 1712.365382] btrfs_sync_fs+0xe9/0x430 [ 1712.369164] ? btrfs_freeze+0xb0/0xb0 [ 1712.372963] ? vfs_fsync_range+0x260/0x260 [ 1712.377181] sync_fs_one_sb+0xb1/0xe0 [ 1712.380968] iterate_supers+0x124/0x490 [ 1712.384941] sys_sync+0x9a/0x130 [ 1712.388284] ? vfs_fsync+0x210/0x210 [ 1712.391982] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1712.397065] ? vfs_fsync+0x210/0x210 [ 1712.400769] do_syscall_64+0x1d5/0x640 [ 1712.404636] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1712.409817] RIP: 0033:0x7f3c6be997c9 [ 1712.413504] RSP: 002b:00007fffd4e68c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 1712.421184] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c6be997c9 [ 1712.428427] RDX: 0000000000000c20 RSI: 000000000000fefe RDI: 00007fffd4e68c20 [ 1712.435675] RBP: 00007fffd4e68c20 R08: 0000000000000001 R09: 0000000000000034 [ 1712.442922] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1712.450166] R13: 00007fffd4e68cc0 R14: 00007fffd4e68c80 R15: 0000000000000061 [ 1712.457818] Kernel Offset: disabled [ 1712.461479] Rebooting in 86400 seconds..