[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.120' (ECDSA) to the list of known hosts. syzkaller login: [ 30.487696] IPVS: ftp: loaded support on port[0] = 21 [ 30.519183] IPVS: ftp: loaded support on port[0] = 21 [ 30.550853] IPVS: ftp: loaded support on port[0] = 21 [ 30.587120] IPVS: ftp: loaded support on port[0] = 21 [ 30.616159] FAULT_INJECTION: forcing a failure. [ 30.616159] name failslab, interval 1, probability 0, space 0, times 1 [ 30.617532] FAULT_INJECTION: forcing a failure. [ 30.617532] name failslab, interval 1, probability 0, space 0, times 1 [ 30.640725] CPU: 1 PID: 8053 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 30.648614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.657969] Call Trace: [ 30.660578] dump_stack+0x1b2/0x281 [ 30.664209] should_fail.cold+0x10a/0x149 [ 30.668357] should_failslab+0xd6/0x130 [ 30.672331] __kmalloc_track_caller+0x2bc/0x400 [ 30.676994] ? xfs_parseargs+0xbc/0x1130 [ 30.681053] kstrndup+0x4c/0xe0 [ 30.684326] xfs_parseargs+0xbc/0x1130 [ 30.688207] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 30.690970] IPVS: ftp: loaded support on port[0] = 21 [ 30.693301] ? suffix_kstrtoint.constprop.0+0x1d0/0x1d0 [ 30.693315] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 30.693325] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 30.693333] ? init_timer_key+0x68/0x300 [ 30.718321] xfs_fs_fill_super+0x53a/0x1380 [ 30.722628] mount_bdev+0x2b3/0x360 [ 30.726232] ? xfs_parseargs+0x1130/0x1130 [ 30.730445] mount_fs+0x92/0x2a0 [ 30.733798] vfs_kern_mount.part.0+0x5b/0x470 [ 30.738302] do_mount+0xe65/0x2a30 [ 30.741827] ? do_raw_spin_unlock+0x164/0x220 [ 30.746301] ? copy_mount_string+0x40/0x40 [ 30.750519] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 30.755516] ? copy_mnt_ns+0xa30/0xa30 [ 30.759388] ? copy_mount_options+0x1fa/0x2f0 [ 30.763886] ? copy_mnt_ns+0xa30/0xa30 [ 30.767753] SyS_mount+0xa8/0x120 [ 30.771188] ? copy_mnt_ns+0xa30/0xa30 [ 30.775054] do_syscall_64+0x1d5/0x640 [ 30.778927] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 30.784096] RIP: 0033:0x7f74cda9e8ea [ 30.787788] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 30.795476] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9e8ea [ 30.802724] RDX: 0000000020000200 RSI: 0000000020000240 RDI: 00007ffe6c9edc60 [ 30.809979] RBP: 00007ffe6c9edc60 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 30.817229] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005 [ 30.824478] R13: 0000000000000000 R14: 00007ffe6c9edca0 R15: 0000000000000000 [ 30.831743] CPU: 0 PID: 8054 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 30.839624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.848976] Call Trace: [ 30.850075] FAULT_INJECTION: forcing a failure. [ 30.850075] name failslab, interval 1, probability 0, space 0, times 1 [ 30.851558] dump_stack+0x1b2/0x281 [ 30.851570] should_fail.cold+0x10a/0x149 [ 30.851582] should_failslab+0xd6/0x130 [ 30.851592] __kmalloc_track_caller+0x2bc/0x400 [ 30.851599] ? xfs_parseargs+0xbc/0x1130 [ 30.851614] kstrndup+0x4c/0xe0 [ 30.886446] xfs_parseargs+0xbc/0x1130 [ 30.890333] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 30.895431] ? suffix_kstrtoint.constprop.0+0x1d0/0x1d0 [ 30.900807] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 30.906256] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 30.911270] ? init_timer_key+0x68/0x300 [ 30.915335] xfs_fs_fill_super+0x53a/0x1380 [ 30.919658] mount_bdev+0x2b3/0x360 [ 30.923273] ? xfs_parseargs+0x1130/0x1130 [ 30.927511] mount_fs+0x92/0x2a0 [ 30.930873] vfs_kern_mount.part.0+0x5b/0x470 [ 30.935349] do_mount+0xe65/0x2a30 [ 30.938872] ? do_raw_spin_unlock+0x164/0x220 [ 30.943373] ? copy_mount_string+0x40/0x40 [ 30.947589] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 30.952586] ? copy_mnt_ns+0xa30/0xa30 [ 30.956452] ? copy_mount_options+0x1fa/0x2f0 [ 30.960930] ? copy_mnt_ns+0xa30/0xa30 [ 30.964806] SyS_mount+0xa8/0x120 [ 30.968246] ? copy_mnt_ns+0xa30/0xa30 [ 30.972129] do_syscall_64+0x1d5/0x640 [ 30.976016] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 30.981212] RIP: 0033:0x7f74cda9e8ea [ 30.984914] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 30.992610] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9e8ea [ 30.999873] RDX: 0000000020000200 RSI: 0000000020000240 RDI: 00007ffe6c9edc60 [ 31.007135] RBP: 00007ffe6c9edc60 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 31.014389] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005 [ 31.021642] R13: 0000000000000000 R14: 00007ffe6c9edca0 R15: 0000000000000000 [ 31.028909] CPU: 1 PID: 8055 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 31.034428] XFS (loop3): invalid logbufsize: 8 [not 16k,32k,64k,128k or 256k] [ 31.036788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.036792] Call Trace: [ 31.036808] dump_stack+0x1b2/0x281 [ 31.059707] should_fail.cold+0x10a/0x149 [ 31.063859] should_failslab+0xd6/0x130 [ 31.067830] kmem_cache_alloc+0x40/0x3c0 [ 31.071901] __debug_object_init+0x578/0x7a0 [ 31.076291] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 31.081379] ? __debug_object_init+0x3fc/0x7a0 [ 31.085945] ? debug_object_destroy+0x240/0x240 [ 31.090610] ? debug_object_destroy+0x240/0x240 [ 31.095262] init_timer_key+0x2f/0x300 [ 31.099203] xfs_fs_fill_super+0x1c8/0x1380 [ 31.103516] mount_bdev+0x2b3/0x360 [ 31.107127] ? xfs_parseargs+0x1130/0x1130 [ 31.111348] mount_fs+0x92/0x2a0 [ 31.114701] vfs_kern_mount.part.0+0x5b/0x470 [ 31.119202] do_mount+0xe65/0x2a30 [ 31.122722] ? do_raw_spin_unlock+0x164/0x220 [ 31.127196] ? copy_mount_string+0x40/0x40 [ 31.131410] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 31.136409] ? copy_mnt_ns+0xa30/0xa30 [ 31.140281] ? copy_mount_options+0x1fa/0x2f0 [ 31.144768] ? copy_mnt_ns+0xa30/0xa30 [ 31.148644] SyS_mount+0xa8/0x120 [ 31.152081] ? copy_mnt_ns+0xa30/0xa30 [ 31.155952] do_syscall_64+0x1d5/0x640 [ 31.159925] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 31.165094] RIP: 0033:0x7f74cda9e8ea [ 31.168782] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 31.176467] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9e8ea [ 31.183717] RDX: 0000000020000200 RSI: 0000000020000240 RDI: 00007ffe6c9edc60 [ 31.190967] RBP: 00007ffe6c9edc60 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 31.198211] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005 [ 31.205457] R13: 0000000000000000 R14: 00007ffe6c9edca0 R15: 0000000000000000 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 31.214447] XFS (loop4): invalid logbufsize: 8 [not 16k,32k,64k,128k or 256k] [ 31.232496] FAULT_INJECTION: forcing a failure. [ 31.232496] name failslab, interval 1, probability 0, space 0, times 0 [ 31.260432] CPU: 0 PID: 8089 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 31.268318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.277651] Call Trace: [ 31.280223] dump_stack+0x1b2/0x281 [ 31.283948] should_fail.cold+0x10a/0x149 [ 31.288082] should_failslab+0xd6/0x130 [ 31.292035] kmem_cache_alloc_node+0x263/0x410 [ 31.296600] __alloc_skb+0x5c/0x510 [ 31.300210] kobject_uevent_env+0x882/0xf30 [ 31.304527] loop_clr_fd+0x59f/0xc20 [ 31.308233] lo_ioctl+0x895/0x1cd0 [ 31.311761] ? kasan_slab_free+0x12d/0x1a0 [ 31.315977] ? loop_set_status64+0xe0/0xe0 [ 31.320206] blkdev_ioctl+0x540/0x1830 [ 31.324085] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 31.329434] ? blkpg_ioctl+0x8d0/0x8d0 [ 31.333301] ? lock_downgrade+0x740/0x740 [ 31.337434] ? debug_check_no_obj_freed+0x2c0/0x680 [ 31.342435] ? lock_acquire+0x170/0x3f0 [ 31.346389] block_ioctl+0xd9/0x120 [ 31.350016] ? blkdev_fallocate+0x3a0/0x3a0 [ 31.354319] do_vfs_ioctl+0x75a/0xff0 [ 31.358103] ? debug_check_no_obj_freed+0x2c0/0x680 [ 31.363099] ? ioctl_preallocate+0x1a0/0x1a0 [ 31.367490] ? debug_object_activate+0x490/0x490 [ 31.372225] ? kfree+0x14a/0x250 [ 31.375566] ? SyS_mount+0xcc/0x120 [ 31.379170] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 31.384165] ? security_file_ioctl+0x83/0xb0 [ 31.388551] SyS_ioctl+0x7f/0xb0 [ 31.391897] ? do_vfs_ioctl+0xff0/0xff0 [ 31.395851] do_syscall_64+0x1d5/0x640 [ 31.399718] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 31.404887] RIP: 0033:0x7f74cda9d317 [ 31.408575] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 31.416262] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9d317 [ 31.423555] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 31.430811] RBP: 00005555557af380 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 31.438060] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 31.445308] R13: 0000000000000016 R14: 00007ffe6c9edca0 R15: 0000000000000000 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 31.463777] XFS (loop0): invalid logbufsize: 8 [not 16k,32k,64k,128k or 256k] [ 31.494592] XFS (loop4): invalid logbufsize: 8 [not 16k,32k,64k,128k or 256k] [ 31.500984] XFS (loop3): invalid logbufsize: 8 [not 16k,32k,64k,128k or 256k] [ 31.511838] XFS (loop5): invalid logbufsize: 8 [not 16k,32k,64k,128k or 256k] [ 31.531236] FAULT_INJECTION: forcing a failure. [ 31.531236] name failslab, interval 1, probability 0, space 0, times 0 [ 31.548286] CPU: 1 PID: 8101 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 31.556191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.565530] Call Trace: [ 31.568112] dump_stack+0x1b2/0x281 [ 31.571734] should_fail.cold+0x10a/0x149 [ 31.575874] should_failslab+0xd6/0x130 [ 31.579854] kmem_cache_alloc_node+0x263/0x410 [ 31.584423] __alloc_skb+0x5c/0x510 [ 31.588039] kobject_uevent_env+0x882/0xf30 [ 31.592369] loop_clr_fd+0x59f/0xc20 [ 31.596065] lo_ioctl+0x895/0x1cd0 [ 31.599587] ? kasan_slab_free+0x12d/0x1a0 [ 31.603806] ? loop_set_status64+0xe0/0xe0 [ 31.608103] blkdev_ioctl+0x540/0x1830 [ 31.611982] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 31.617416] ? blkpg_ioctl+0x8d0/0x8d0 [ 31.621284] ? lock_downgrade+0x740/0x740 [ 31.625413] ? debug_check_no_obj_freed+0x2c0/0x680 [ 31.630495] ? lock_acquire+0x170/0x3f0 [ 31.634480] block_ioctl+0xd9/0x120 [ 31.638085] ? blkdev_fallocate+0x3a0/0x3a0 [ 31.642405] do_vfs_ioctl+0x75a/0xff0 [ 31.646204] ? debug_check_no_obj_freed+0x2c0/0x680 [ 31.651196] ? ioctl_preallocate+0x1a0/0x1a0 [ 31.655584] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 31.660578] ? debug_object_activate+0x490/0x490 [ 31.665310] ? kfree+0x14a/0x250 [ 31.668655] ? SyS_mount+0xcc/0x120 [ 31.672268] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 31.677271] ? security_file_ioctl+0x83/0xb0 [ 31.681657] SyS_ioctl+0x7f/0xb0 [ 31.685000] ? do_vfs_ioctl+0xff0/0xff0 [ 31.688953] do_syscall_64+0x1d5/0x640 [ 31.692836] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 31.698004] RIP: 0033:0x7f74cda9d317 [ 31.701693] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 31.709377] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9d317 [ 31.716621] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 31.723868] RBP: 00005555557af380 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 31.731117] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 31.738364] R13: 0000000000000016 R14: 00007ffe6c9edca0 R15: 0000000000000001 [ 31.746011] FAULT_INJECTION: forcing a failure. [ 31.746011] name failslab, interval 1, probability 0, space 0, times 0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 31.762298] FAULT_INJECTION: forcing a failure. [ 31.762298] name failslab, interval 1, probability 0, space 0, times 0 [ 31.766125] IPVS: ftp: loaded support on port[0] = 21 [ 31.781063] FAULT_INJECTION: forcing a failure. [ 31.781063] name failslab, interval 1, probability 0, space 0, times 0 [ 31.792716] CPU: 0 PID: 8119 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 31.800600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.809948] Call Trace: [ 31.812523] dump_stack+0x1b2/0x281 [ 31.816135] should_fail.cold+0x10a/0x149 [ 31.820265] should_failslab+0xd6/0x130 [ 31.824220] __kmalloc+0x2c1/0x400 [ 31.827745] ? kobject_get_path+0xb5/0x230 [ 31.831964] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 31.837397] kobject_get_path+0xb5/0x230 [ 31.841441] kobject_uevent_env+0x230/0xf30 [ 31.845749] loop_clr_fd+0x59f/0xc20 [ 31.849446] lo_ioctl+0x895/0x1cd0 [ 31.852970] ? kasan_slab_free+0x12d/0x1a0 [ 31.857181] ? loop_set_status64+0xe0/0xe0 [ 31.861397] blkdev_ioctl+0x540/0x1830 [ 31.865270] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 31.870620] ? blkpg_ioctl+0x8d0/0x8d0 [ 31.874491] ? lock_downgrade+0x740/0x740 [ 31.878627] ? debug_check_no_obj_freed+0x2c0/0x680 [ 31.883629] ? lock_acquire+0x170/0x3f0 [ 31.887590] block_ioctl+0xd9/0x120 [ 31.891199] ? blkdev_fallocate+0x3a0/0x3a0 [ 31.895502] do_vfs_ioctl+0x75a/0xff0 [ 31.899284] ? debug_check_no_obj_freed+0x2c0/0x680 [ 31.904279] ? ioctl_preallocate+0x1a0/0x1a0 [ 31.908673] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 31.913675] ? debug_object_activate+0x490/0x490 [ 31.918415] ? kfree+0x14a/0x250 [ 31.921764] ? SyS_mount+0xcc/0x120 [ 31.925369] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 31.930365] ? security_file_ioctl+0x83/0xb0 [ 31.934756] SyS_ioctl+0x7f/0xb0 [ 31.938343] ? do_vfs_ioctl+0xff0/0xff0 [ 31.942299] do_syscall_64+0x1d5/0x640 [ 31.946171] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 31.951347] RIP: 0033:0x7f74cda9d317 [ 31.955046] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 31.962733] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9d317 [ 31.969985] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 31.977232] RBP: 00005555557af380 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 31.984485] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 31.991740] R13: 0000000000000016 R14: 00007ffe6c9edca0 R15: 0000000000000001 [ 31.999005] CPU: 1 PID: 8136 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 32.006889] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.016235] Call Trace: [ 32.018825] dump_stack+0x1b2/0x281 [ 32.022436] should_fail.cold+0x10a/0x149 [ 32.026565] should_failslab+0xd6/0x130 [ 32.030525] __kmalloc+0x2c1/0x400 [ 32.034047] ? match_strdup+0x58/0xa0 [ 32.037830] ? suffix_kstrtoint.constprop.0+0x102/0x1d0 [ 32.043172] match_strdup+0x58/0xa0 [ 32.046776] suffix_kstrtoint.constprop.0+0x61/0x1d0 [ 32.051854] ? xfs_fs_inode_init_once+0xc0/0xc0 [ 32.056497] ? memcpy+0x35/0x50 [ 32.059755] xfs_parseargs+0x4aa/0x1130 [ 32.063710] ? suffix_kstrtoint.constprop.0+0x1d0/0x1d0 [ 32.069053] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 32.074067] ? init_timer_key+0x68/0x300 [ 32.078104] xfs_fs_fill_super+0x53a/0x1380 [ 32.082405] mount_bdev+0x2b3/0x360 [ 32.086011] ? xfs_parseargs+0x1130/0x1130 [ 32.090219] mount_fs+0x92/0x2a0 [ 32.093563] vfs_kern_mount.part.0+0x5b/0x470 [ 32.098051] do_mount+0xe65/0x2a30 [ 32.101572] ? copy_mount_string+0x40/0x40 [ 32.105784] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 32.110775] ? copy_mnt_ns+0xa30/0xa30 [ 32.114638] ? copy_mount_options+0x1fa/0x2f0 [ 32.119106] ? copy_mnt_ns+0xa30/0xa30 [ 32.122969] SyS_mount+0xa8/0x120 [ 32.126395] ? copy_mnt_ns+0xa30/0xa30 [ 32.130259] do_syscall_64+0x1d5/0x640 [ 32.134232] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 32.139404] RIP: 0033:0x7f74cda9e8ea [ 32.143095] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 32.150785] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9e8ea [ 32.158046] RDX: 0000000020000200 RSI: 0000000020000240 RDI: 00007ffe6c9edc60 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 32.165296] RBP: 00007ffe6c9edc60 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 32.172542] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005 [ 32.179786] R13: 0000000000000000 R14: 00007ffe6c9edca0 R15: 0000000000000000 [ 32.195736] CPU: 0 PID: 8109 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 32.203638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.212984] Call Trace: [ 32.215569] dump_stack+0x1b2/0x281 [ 32.219364] should_fail.cold+0x10a/0x149 [ 32.223494] should_failslab+0xd6/0x130 [ 32.227456] kmem_cache_alloc_node+0x263/0x410 [ 32.232018] __alloc_skb+0x5c/0x510 [ 32.235643] kobject_uevent_env+0x882/0xf30 [ 32.239945] loop_clr_fd+0x59f/0xc20 [ 32.243637] lo_ioctl+0x895/0x1cd0 [ 32.247242] ? kasan_slab_free+0x12d/0x1a0 [ 32.251449] ? loop_set_status64+0xe0/0xe0 [ 32.255669] blkdev_ioctl+0x540/0x1830 [ 32.259543] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 32.264882] ? blkpg_ioctl+0x8d0/0x8d0 [ 32.268758] ? lock_downgrade+0x740/0x740 [ 32.272884] ? debug_check_no_obj_freed+0x2c0/0x680 [ 32.277878] ? lock_acquire+0x170/0x3f0 [ 32.281827] block_ioctl+0xd9/0x120 [ 32.285426] ? blkdev_fallocate+0x3a0/0x3a0 [ 32.289721] do_vfs_ioctl+0x75a/0xff0 [ 32.293497] ? debug_check_no_obj_freed+0x2c0/0x680 [ 32.298487] ? ioctl_preallocate+0x1a0/0x1a0 [ 32.302874] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 32.307865] ? debug_object_activate+0x490/0x490 [ 32.312596] ? kfree+0x14a/0x250 [ 32.315936] ? SyS_mount+0xcc/0x120 [ 32.319536] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 32.324526] ? security_file_ioctl+0x83/0xb0 [ 32.328921] SyS_ioctl+0x7f/0xb0 [ 32.332260] ? do_vfs_ioctl+0xff0/0xff0 [ 32.336213] do_syscall_64+0x1d5/0x640 [ 32.340077] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 32.345241] RIP: 0033:0x7f74cda9d317 [ 32.348926] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 32.356698] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9d317 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 32.363941] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 32.371185] RBP: 00005555557af380 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 32.378433] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 32.385833] R13: 0000000000000016 R14: 00007ffe6c9edca0 R15: 0000000000000001 [ 32.394136] FAULT_INJECTION: forcing a failure. [ 32.394136] name failslab, interval 1, probability 0, space 0, times 0 [ 32.408581] CPU: 1 PID: 8113 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 32.416468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.425800] Call Trace: [ 32.428367] dump_stack+0x1b2/0x281 [ 32.431973] should_fail.cold+0x10a/0x149 [ 32.436100] should_failslab+0xd6/0x130 [ 32.440052] kmem_cache_alloc_node_trace+0x25a/0x400 [ 32.445134] __kmalloc_node_track_caller+0x38/0x70 [ 32.450042] __alloc_skb+0x96/0x510 [ 32.453659] kobject_uevent_env+0x882/0xf30 [ 32.458048] loop_clr_fd+0x59f/0xc20 [ 32.461753] lo_ioctl+0x895/0x1cd0 [ 32.465274] ? kasan_slab_free+0x12d/0x1a0 [ 32.469486] ? loop_set_status64+0xe0/0xe0 [ 32.473743] blkdev_ioctl+0x540/0x1830 [ 32.477616] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 32.482957] ? blkpg_ioctl+0x8d0/0x8d0 [ 32.486820] ? lock_downgrade+0x740/0x740 [ 32.490946] ? debug_check_no_obj_freed+0x2c0/0x680 [ 32.496046] ? lock_acquire+0x170/0x3f0 [ 32.500004] block_ioctl+0xd9/0x120 [ 32.503615] ? blkdev_fallocate+0x3a0/0x3a0 [ 32.507927] do_vfs_ioctl+0x75a/0xff0 [ 32.511711] ? debug_check_no_obj_freed+0x2c0/0x680 [ 32.516699] ? ioctl_preallocate+0x1a0/0x1a0 [ 32.521083] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 32.526076] ? debug_object_activate+0x490/0x490 [ 32.530808] ? kfree+0x14a/0x250 [ 32.534151] ? SyS_mount+0xcc/0x120 [ 32.537760] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 32.542760] ? security_file_ioctl+0x83/0xb0 [ 32.547146] SyS_ioctl+0x7f/0xb0 [ 32.550488] ? do_vfs_ioctl+0xff0/0xff0 [ 32.554439] do_syscall_64+0x1d5/0x640 [ 32.558308] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 32.563473] RIP: 0033:0x7f74cda9d317 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 32.567157] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 32.574851] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9d317 [ 32.582096] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 32.589448] RBP: 00005555557af380 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 32.596695] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 32.603944] R13: 0000000000000016 R14: 00007ffe6c9edca0 R15: 0000000000000001 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 32.621767] XFS (loop0): invalid logbufsize: 8 [not 16k,32k,64k,128k or 256k] [ 32.634241] FAULT_INJECTION: forcing a failure. [ 32.634241] name failslab, interval 1, probability 0, space 0, times 0 [ 32.646738] XFS (loop5): invalid logbufsize: 8 [not 16k,32k,64k,128k or 256k] [ 32.672054] FAULT_INJECTION: forcing a failure. [ 32.672054] name failslab, interval 1, probability 0, space 0, times 0 [ 32.674683] FAULT_INJECTION: forcing a failure. [ 32.674683] name failslab, interval 1, probability 0, space 0, times 0 [ 32.694756] CPU: 0 PID: 8143 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 32.695956] XFS (loop3): invalid logbufsize: 8 [not 16k,32k,64k,128k or 256k] [ 32.702635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.702639] Call Trace: write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 32.702651] dump_stack+0x1b2/0x281 [ 32.702664] should_fail.cold+0x10a/0x149 [ 32.702674] should_failslab+0xd6/0x130 [ 32.702684] __kmalloc+0x2c1/0x400 [ 32.702692] ? match_strdup+0x58/0xa0 [ 32.702701] match_strdup+0x58/0xa0 [ 32.702711] suffix_kstrtoint.constprop.0+0x61/0x1d0 [ 32.702719] ? xfs_fs_inode_init_once+0xc0/0xc0 [ 32.702725] ? memcpy+0x35/0x50 [ 32.702735] xfs_parseargs+0x828/0x1130 [ 32.702747] ? suffix_kstrtoint.constprop.0+0x1d0/0x1d0 [ 32.702764] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 32.702771] ? init_timer_key+0x68/0x300 [ 32.702786] xfs_fs_fill_super+0x53a/0x1380 [ 32.702798] mount_bdev+0x2b3/0x360 [ 32.702804] ? xfs_parseargs+0x1130/0x1130 [ 32.702812] mount_fs+0x92/0x2a0 [ 32.702824] vfs_kern_mount.part.0+0x5b/0x470 [ 32.702834] do_mount+0xe65/0x2a30 [ 32.702843] ? do_raw_spin_unlock+0x164/0x220 [ 32.702853] ? copy_mount_string+0x40/0x40 [ 32.702864] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 32.733874] FAULT_INJECTION: forcing a failure. [ 32.733874] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 32.737260] ? copy_mnt_ns+0xa30/0xa30 [ 32.737270] ? copy_mount_options+0x1fa/0x2f0 [ 32.737278] ? copy_mnt_ns+0xa30/0xa30 [ 32.737287] SyS_mount+0xa8/0x120 [ 32.840513] ? copy_mnt_ns+0xa30/0xa30 [ 32.844380] do_syscall_64+0x1d5/0x640 [ 32.848250] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 32.853518] RIP: 0033:0x7f74cda9e8ea [ 32.857207] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 32.864893] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9e8ea [ 32.872142] RDX: 0000000020000200 RSI: 0000000020000240 RDI: 00007ffe6c9edc60 [ 32.879388] RBP: 00007ffe6c9edc60 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 32.886651] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005 [ 32.893902] R13: 0000000000000000 R14: 00007ffe6c9edca0 R15: 0000000000000002 [ 32.901163] CPU: 1 PID: 8163 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 32.909041] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.918394] Call Trace: [ 32.920980] dump_stack+0x1b2/0x281 [ 32.924608] should_fail.cold+0x10a/0x149 [ 32.928765] __alloc_pages_nodemask+0x22c/0x2720 [ 32.933519] ? unmap_single_vma+0x147/0x2b0 [ 32.937846] ? __lock_acquire+0x5fc/0x3f20 [ 32.942085] ? trace_hardirqs_on+0x10/0x10 [ 32.946320] ? mark_held_locks+0xa6/0xf0 [ 32.950380] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 32.955480] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 32.960494] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 32.965340] ? trace_hardirqs_on+0x10/0x10 [ 32.969571] ? lock_acquire+0x170/0x3f0 [ 32.973532] ? mem_cgroup_id_get_online+0xb0/0xb0 [ 32.978372] ? check_preemption_disabled+0x35/0x240 [ 32.983384] ? __unlock_page_memcg+0x4f/0x100 [ 32.987872] alloc_pages_current+0x155/0x260 [ 32.992280] __get_free_pages+0xb/0x40 [ 32.996159] __tlb_remove_page_size+0x272/0x440 [ 33.000826] unmap_page_range+0xf94/0x1d90 [ 33.005073] ? vm_normal_page_pmd+0x340/0x340 [ 33.009564] unmap_single_vma+0x147/0x2b0 [ 33.013703] unmap_vmas+0x9d/0x160 [ 33.017235] exit_mmap+0x270/0x4d0 [ 33.020773] ? SyS_remap_file_pages+0x6a0/0x6a0 [ 33.025442] ? kmem_cache_free+0x23a/0x2b0 [ 33.029673] ? __khugepaged_exit+0x29b/0x3c0 [ 33.034070] mmput+0xfa/0x420 [ 33.037161] do_exit+0x984/0x2850 [ 33.040620] ? mm_update_next_owner+0x5b0/0x5b0 [ 33.045283] ? vfs_write+0x319/0x4d0 [ 33.048983] ? SyS_write+0x14d/0x210 [ 33.052685] do_group_exit+0x100/0x2e0 [ 33.056558] SyS_exit_group+0x19/0x20 [ 33.060338] ? do_group_exit+0x2e0/0x2e0 [ 33.064380] do_syscall_64+0x1d5/0x640 [ 33.068256] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 33.073431] RIP: 0033:0x7f74cda9bea9 [ 33.077120] RSP: 002b:00007ffe6c9eddb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 33.084808] RAX: ffffffffffffffda RBX: 00007f74cdb093d0 RCX: 00007f74cda9bea9 [ 33.092082] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 33.099337] RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 6f6f6c2f7665642f [ 33.106675] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f74cdb093d0 [ 33.113927] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 33.121191] CPU: 0 PID: 8141 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 33.129072] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.138419] Call Trace: [ 33.140999] dump_stack+0x1b2/0x281 [ 33.144617] should_fail.cold+0x10a/0x149 [ 33.148747] should_failslab+0xd6/0x130 [ 33.152702] kmem_cache_alloc_trace+0x29a/0x3d0 [ 33.157351] ? dev_uevent_filter+0xd0/0xd0 [ 33.161571] kobject_uevent_env+0x20c/0xf30 [ 33.165877] loop_clr_fd+0x59f/0xc20 [ 33.169574] lo_ioctl+0x895/0x1cd0 [ 33.173094] ? kasan_slab_free+0x12d/0x1a0 [ 33.177308] ? loop_set_status64+0xe0/0xe0 [ 33.181524] blkdev_ioctl+0x540/0x1830 [ 33.185391] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 33.190734] ? blkpg_ioctl+0x8d0/0x8d0 [ 33.194601] ? lock_downgrade+0x740/0x740 [ 33.198729] ? debug_check_no_obj_freed+0x2c0/0x680 [ 33.203725] ? lock_acquire+0x170/0x3f0 [ 33.207685] block_ioctl+0xd9/0x120 [ 33.211297] ? blkdev_fallocate+0x3a0/0x3a0 [ 33.215597] do_vfs_ioctl+0x75a/0xff0 [ 33.219396] ? debug_check_no_obj_freed+0x2c0/0x680 [ 33.224409] ? ioctl_preallocate+0x1a0/0x1a0 [ 33.228811] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 33.233813] ? debug_object_activate+0x490/0x490 [ 33.238551] ? kfree+0x14a/0x250 [ 33.241899] ? SyS_mount+0xcc/0x120 [ 33.245505] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 33.250507] ? security_file_ioctl+0x83/0xb0 [ 33.254901] SyS_ioctl+0x7f/0xb0 [ 33.258248] ? do_vfs_ioctl+0xff0/0xff0 [ 33.262203] do_syscall_64+0x1d5/0x640 [ 33.266076] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 33.271244] RIP: 0033:0x7f74cda9d317 [ 33.274934] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 33.282621] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9d317 [ 33.289869] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 33.297119] RBP: 00005555557af380 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 33.304366] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 33.311614] R13: 0000000000000016 R14: 00007ffe6c9edca0 R15: 0000000000000002 [ 33.318885] CPU: 1 PID: 8160 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 33.321178] FAULT_INJECTION: forcing a failure. [ 33.321178] name failslab, interval 1, probability 0, space 0, times 0 [ 33.326763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.347255] Call Trace: [ 33.349834] dump_stack+0x1b2/0x281 [ 33.353445] should_fail.cold+0x10a/0x149 [ 33.357576] should_failslab+0xd6/0x130 [ 33.361617] __kmalloc+0x2c1/0x400 [ 33.365137] ? match_strdup+0x58/0xa0 [ 33.368921] ? suffix_kstrtoint.constprop.0+0x102/0x1d0 [ 33.374265] match_strdup+0x58/0xa0 [ 33.377879] suffix_kstrtoint.constprop.0+0x61/0x1d0 [ 33.382962] ? xfs_fs_inode_init_once+0xc0/0xc0 [ 33.387614] ? memcpy+0x35/0x50 [ 33.390877] xfs_parseargs+0x4aa/0x1130 [ 33.394833] ? suffix_kstrtoint.constprop.0+0x1d0/0x1d0 [ 33.400183] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 33.405184] ? init_timer_key+0x68/0x300 [ 33.409229] xfs_fs_fill_super+0x53a/0x1380 [ 33.413538] mount_bdev+0x2b3/0x360 [ 33.417152] ? xfs_parseargs+0x1130/0x1130 [ 33.421373] mount_fs+0x92/0x2a0 [ 33.424729] vfs_kern_mount.part.0+0x5b/0x470 [ 33.429206] do_mount+0xe65/0x2a30 [ 33.432732] ? do_raw_spin_unlock+0x164/0x220 [ 33.437209] ? copy_mount_string+0x40/0x40 [ 33.441426] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 33.446420] ? copy_mnt_ns+0xa30/0xa30 [ 33.450291] ? copy_mount_options+0x1fa/0x2f0 [ 33.454784] ? copy_mnt_ns+0xa30/0xa30 [ 33.458656] SyS_mount+0xa8/0x120 [ 33.462086] ? copy_mnt_ns+0xa30/0xa30 [ 33.465953] do_syscall_64+0x1d5/0x640 [ 33.469832] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 33.475007] RIP: 0033:0x7f74cda9e8ea [ 33.478700] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 33.486389] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9e8ea [ 33.493638] RDX: 0000000020000200 RSI: 0000000020000240 RDI: 00007ffe6c9edc60 [ 33.500887] RBP: 00007ffe6c9edc60 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 33.508139] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005 [ 33.515389] R13: 0000000000000000 R14: 00007ffe6c9edca0 R15: 0000000000000001 [ 33.522652] CPU: 0 PID: 8146 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 33.530559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.539906] Call Trace: [ 33.542490] dump_stack+0x1b2/0x281 [ 33.546117] should_fail.cold+0x10a/0x149 [ 33.550263] should_failslab+0xd6/0x130 [ 33.554230] kmem_cache_alloc_trace+0x29a/0x3d0 [ 33.558875] ? dev_uevent_filter+0xd0/0xd0 [ 33.563085] kobject_uevent_env+0x20c/0xf30 [ 33.567388] loop_clr_fd+0x59f/0xc20 [ 33.571078] lo_ioctl+0x895/0x1cd0 [ 33.574596] ? kasan_slab_free+0x12d/0x1a0 [ 33.578805] ? loop_set_status64+0xe0/0xe0 [ 33.583018] blkdev_ioctl+0x540/0x1830 [ 33.586883] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 33.592224] ? blkpg_ioctl+0x8d0/0x8d0 [ 33.596090] ? lock_downgrade+0x740/0x740 [ 33.600217] ? debug_check_no_obj_freed+0x2c0/0x680 [ 33.605209] ? lock_acquire+0x170/0x3f0 [ 33.609266] block_ioctl+0xd9/0x120 [ 33.612868] ? blkdev_fallocate+0x3a0/0x3a0 [ 33.617163] do_vfs_ioctl+0x75a/0xff0 [ 33.620941] ? debug_check_no_obj_freed+0x2c0/0x680 [ 33.625932] ? ioctl_preallocate+0x1a0/0x1a0 [ 33.630317] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 33.635308] ? debug_object_activate+0x490/0x490 [ 33.640038] ? kfree+0x14a/0x250 [ 33.643382] ? SyS_mount+0xcc/0x120 [ 33.646989] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 33.651981] ? security_file_ioctl+0x83/0xb0 [ 33.656367] SyS_ioctl+0x7f/0xb0 [ 33.659709] ? do_vfs_ioctl+0xff0/0xff0 [ 33.663662] do_syscall_64+0x1d5/0x640 [ 33.667530] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 33.672697] RIP: 0033:0x7f74cda9d317 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 33.676383] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 33.684064] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9d317 [ 33.691310] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 33.698555] RBP: 00005555557af380 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 33.705803] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 33.713051] R13: 0000000000000016 R14: 00007ffe6c9edca0 R15: 0000000000000002 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 33.772431] FAULT_INJECTION: forcing a failure. [ 33.772431] name failslab, interval 1, probability 0, space 0, times 0 [ 33.777853] FAULT_INJECTION: forcing a failure. [ 33.777853] name failslab, interval 1, probability 0, space 0, times 0 [ 33.785725] FAULT_INJECTION: forcing a failure. [ 33.785725] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 33.796820] FAULT_INJECTION: forcing a failure. [ 33.796820] name failslab, interval 1, probability 0, space 0, times 0 [ 33.806659] CPU: 1 PID: 8192 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 33.806664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.806666] Call Trace: [ 33.806680] dump_stack+0x1b2/0x281 [ 33.806691] should_fail.cold+0x10a/0x149 [ 33.806703] __alloc_pages_nodemask+0x22c/0x2720 [ 33.806714] ? string+0x17e/0x1d0 [ 33.806725] ? __lock_acquire+0x5fc/0x3f20 [ 33.806734] ? bdev_name.constprop.0+0x1cd/0x240 [ 33.806741] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 33.806749] ? pointer+0x31f/0x9e0 [ 33.806758] ? lock_downgrade+0x740/0x740 [ 33.806763] ? format_decode+0x1cb/0x890 [ 33.806774] ? set_precision+0x150/0x150 [ 33.820752] FAULT_INJECTION: forcing a failure. [ 33.820752] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 33.825820] ? reacquire_held_locks+0xb5/0x3f0 [ 33.899624] cache_grow_begin+0x91/0x700 [ 33.903690] ? fs_reclaim_release+0xd0/0x110 [ 33.908087] ? check_preemption_disabled+0x35/0x240 [ 33.913084] cache_alloc_refill+0x273/0x350 [ 33.917385] kmem_cache_alloc_trace+0x340/0x3d0 [ 33.922037] xfs_fs_fill_super+0x50/0x1380 [ 33.926253] mount_bdev+0x2b3/0x360 [ 33.929859] ? xfs_parseargs+0x1130/0x1130 [ 33.934078] mount_fs+0x92/0x2a0 [ 33.937431] vfs_kern_mount.part.0+0x5b/0x470 [ 33.941910] do_mount+0xe65/0x2a30 [ 33.945433] ? do_raw_spin_unlock+0x164/0x220 [ 33.949911] ? copy_mount_string+0x40/0x40 [ 33.954127] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 33.959122] ? copy_mnt_ns+0xa30/0xa30 [ 33.962993] ? copy_mount_options+0x1fa/0x2f0 [ 33.967468] ? copy_mnt_ns+0xa30/0xa30 [ 33.971341] SyS_mount+0xa8/0x120 [ 33.974771] ? copy_mnt_ns+0xa30/0xa30 [ 33.978644] do_syscall_64+0x1d5/0x640 [ 33.982515] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 33.987700] RIP: 0033:0x7f74cda9e8ea [ 33.991397] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 33.999096] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9e8ea [ 34.006350] RDX: 0000000020000200 RSI: 0000000020000240 RDI: 00007ffe6c9edc60 [ 34.013603] RBP: 00007ffe6c9edc60 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 34.020866] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005 [ 34.028205] R13: 0000000000000000 R14: 00007ffe6c9edca0 R15: 0000000000000000 [ 34.035484] CPU: 0 PID: 8196 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 34.043363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.052707] Call Trace: [ 34.055290] dump_stack+0x1b2/0x281 [ 34.058919] should_fail.cold+0x10a/0x149 [ 34.063058] __alloc_pages_nodemask+0x22c/0x2720 [ 34.067799] ? string+0x17e/0x1d0 [ 34.071236] ? __lock_acquire+0x5fc/0x3f20 [ 34.075458] ? bdev_name.constprop.0+0x1cd/0x240 [ 34.080191] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 34.085018] ? pointer+0x31f/0x9e0 [ 34.088543] ? lock_downgrade+0x740/0x740 [ 34.092675] ? format_decode+0x1cb/0x890 [ 34.096746] ? set_precision+0x150/0x150 [ 34.100789] ? reacquire_held_locks+0xb5/0x3f0 [ 34.105357] cache_grow_begin+0x91/0x700 [ 34.109396] ? fs_reclaim_release+0xd0/0x110 [ 34.113793] ? check_preemption_disabled+0x35/0x240 [ 34.118790] cache_alloc_refill+0x273/0x350 [ 34.123095] kmem_cache_alloc_trace+0x340/0x3d0 [ 34.127748] xfs_fs_fill_super+0x50/0x1380 [ 34.131968] mount_bdev+0x2b3/0x360 [ 34.135598] ? xfs_parseargs+0x1130/0x1130 [ 34.139906] mount_fs+0x92/0x2a0 [ 34.143256] vfs_kern_mount.part.0+0x5b/0x470 [ 34.147733] do_mount+0xe65/0x2a30 [ 34.151251] ? do_raw_spin_unlock+0x164/0x220 [ 34.155730] ? copy_mount_string+0x40/0x40 [ 34.159946] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 34.164955] ? copy_mnt_ns+0xa30/0xa30 [ 34.168830] ? copy_mount_options+0x1fa/0x2f0 [ 34.173323] ? copy_mnt_ns+0xa30/0xa30 [ 34.177260] SyS_mount+0xa8/0x120 [ 34.180709] ? copy_mnt_ns+0xa30/0xa30 [ 34.184590] do_syscall_64+0x1d5/0x640 [ 34.188480] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 34.193670] RIP: 0033:0x7f74cda9e8ea [ 34.197369] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 34.205073] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9e8ea [ 34.212338] RDX: 0000000020000200 RSI: 0000000020000240 RDI: 00007ffe6c9edc60 [ 34.219601] RBP: 00007ffe6c9edc60 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 34.226856] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005 [ 34.234120] R13: 0000000000000000 R14: 00007ffe6c9edca0 R15: 0000000000000003 [ 34.248342] CPU: 1 PID: 8189 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 34.256242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.265586] Call Trace: [ 34.268169] dump_stack+0x1b2/0x281 [ 34.271795] should_fail.cold+0x10a/0x149 [ 34.275929] should_failslab+0xd6/0x130 [ 34.279887] __kmalloc+0x2c1/0x400 [ 34.283407] ? match_strdup+0x58/0xa0 [ 34.287189] ? suffix_kstrtoint.constprop.0+0x102/0x1d0 [ 34.292578] match_strdup+0x58/0xa0 [ 34.296191] suffix_kstrtoint.constprop.0+0x61/0x1d0 [ 34.301273] ? xfs_fs_inode_init_once+0xc0/0xc0 [ 34.305920] ? memcpy+0x35/0x50 [ 34.309182] xfs_parseargs+0x4aa/0x1130 [ 34.313138] ? suffix_kstrtoint.constprop.0+0x1d0/0x1d0 [ 34.318488] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 34.323481] ? init_timer_key+0x68/0x300 [ 34.327521] xfs_fs_fill_super+0x53a/0x1380 [ 34.331823] mount_bdev+0x2b3/0x360 [ 34.335427] ? xfs_parseargs+0x1130/0x1130 [ 34.339642] mount_fs+0x92/0x2a0 [ 34.342989] vfs_kern_mount.part.0+0x5b/0x470 [ 34.347465] do_mount+0xe65/0x2a30 [ 34.351010] ? copy_mount_string+0x40/0x40 [ 34.355225] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 34.360220] ? copy_mnt_ns+0xa30/0xa30 [ 34.364092] ? copy_mount_options+0x1fa/0x2f0 [ 34.368570] ? copy_mnt_ns+0xa30/0xa30 [ 34.372437] SyS_mount+0xa8/0x120 [ 34.375871] ? copy_mnt_ns+0xa30/0xa30 [ 34.379762] do_syscall_64+0x1d5/0x640 [ 34.383639] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 34.388810] RIP: 0033:0x7f74cda9e8ea [ 34.392499] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 34.400189] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9e8ea [ 34.407438] RDX: 0000000020000200 RSI: 0000000020000240 RDI: 00007ffe6c9edc60 [ 34.414686] RBP: 00007ffe6c9edc60 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 34.421943] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005 [ 34.429191] R13: 0000000000000000 R14: 00007ffe6c9edca0 R15: 0000000000000003 [ 34.436450] CPU: 0 PID: 8197 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 34.438240] XFS (loop5): invalid logbufsize: 8 [not 16k,32k,64k,128k or 256k] [ 34.444333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.444337] Call Trace: [ 34.444348] dump_stack+0x1b2/0x281 [ 34.444360] should_fail.cold+0x10a/0x149 [ 34.444371] should_failslab+0xd6/0x130 [ 34.444381] __kmalloc_track_caller+0x2bc/0x400 [ 34.444388] ? xfs_parseargs+0xbc/0x1130 [ 34.444399] kstrndup+0x4c/0xe0 [ 34.444407] xfs_parseargs+0xbc/0x1130 [ 34.444418] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 34.444426] ? suffix_kstrtoint.constprop.0+0x1d0/0x1d0 [ 34.444440] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 34.444451] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 34.444458] ? init_timer_key+0x68/0x300 [ 34.444468] xfs_fs_fill_super+0x53a/0x1380 [ 34.444480] mount_bdev+0x2b3/0x360 [ 34.444486] ? xfs_parseargs+0x1130/0x1130 [ 34.444495] mount_fs+0x92/0x2a0 [ 34.444505] vfs_kern_mount.part.0+0x5b/0x470 [ 34.444513] do_mount+0xe65/0x2a30 [ 34.444521] ? do_raw_spin_unlock+0x164/0x220 [ 34.444532] ? copy_mount_string+0x40/0x40 [ 34.548238] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 34.553235] ? copy_mnt_ns+0xa30/0xa30 [ 34.557105] ? copy_mount_options+0x1fa/0x2f0 [ 34.561598] ? copy_mnt_ns+0xa30/0xa30 [ 34.565480] SyS_mount+0xa8/0x120 [ 34.568920] ? copy_mnt_ns+0xa30/0xa30 [ 34.572806] do_syscall_64+0x1d5/0x640 [ 34.576691] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 34.581868] RIP: 0033:0x7f74cda9e8ea [ 34.585565] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 34.593260] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9e8ea [ 34.600523] RDX: 0000000020000200 RSI: 0000000020000240 RDI: 00007ffe6c9edc60 [ 34.607783] RBP: 00007ffe6c9edc60 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 34.615039] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005 [ 34.622286] R13: 0000000000000000 R14: 00007ffe6c9edca0 R15: 0000000000000003 [ 34.629547] CPU: 1 PID: 8198 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 34.630407] XFS (loop2): invalid logbufsize: 8 [not 16k,32k,64k,128k or 256k] [ 34.637416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.637420] Call Trace: [ 34.637433] dump_stack+0x1b2/0x281 [ 34.637446] should_fail.cold+0x10a/0x149 [ 34.637458] should_failslab+0xd6/0x130 [ 34.645068] XFS (loop4): invalid logbufsize: 8 [not 16k,32k,64k,128k or 256k] [ 34.654043] __kmalloc_track_caller+0x2bc/0x400 [ 34.654050] ? xfs_parseargs+0xbc/0x1130 [ 34.654061] kstrndup+0x4c/0xe0 [ 34.654073] xfs_parseargs+0xbc/0x1130 [ 34.654083] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 34.654091] ? suffix_kstrtoint.constprop.0+0x1d0/0x1d0 [ 34.654104] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 34.707184] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 34.712178] ? init_timer_key+0x68/0x300 [ 34.716215] xfs_fs_fill_super+0x53a/0x1380 [ 34.720515] mount_bdev+0x2b3/0x360 [ 34.724115] ? xfs_parseargs+0x1130/0x1130 [ 34.728327] mount_fs+0x92/0x2a0 [ 34.731671] vfs_kern_mount.part.0+0x5b/0x470 [ 34.736141] do_mount+0xe65/0x2a30 [ 34.739658] ? do_raw_spin_unlock+0x164/0x220 [ 34.744131] ? copy_mount_string+0x40/0x40 [ 34.748343] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 34.753342] ? copy_mnt_ns+0xa30/0xa30 [ 34.757215] ? copy_mount_options+0x1fa/0x2f0 [ 34.761686] ? copy_mnt_ns+0xa30/0xa30 [ 34.765551] SyS_mount+0xa8/0x120 [ 34.768979] ? copy_mnt_ns+0xa30/0xa30 [ 34.772845] do_syscall_64+0x1d5/0x640 [ 34.776711] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 34.781879] RIP: 0033:0x7f74cda9e8ea [ 34.785565] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 34.793249] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9e8ea [ 34.800507] RDX: 0000000020000200 RSI: 0000000020000240 RDI: 00007ffe6c9edc60 [ 34.807751] RBP: 00007ffe6c9edc60 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 34.814995] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005 [ 34.822242] R13: 0000000000000000 R14: 00007ffe6c9edca0 R15: 0000000000000002 [ 34.830784] FAULT_INJECTION: forcing a failure. [ 34.830784] name failslab, interval 1, probability 0, space 0, times 0 [ 34.842027] CPU: 0 PID: 8199 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 34.849905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.859275] Call Trace: [ 34.861852] dump_stack+0x1b2/0x281 [ 34.865459] should_fail.cold+0x10a/0x149 [ 34.869586] should_failslab+0xd6/0x130 [ 34.873544] kmem_cache_alloc_node+0x263/0x410 [ 34.878109] __alloc_skb+0x5c/0x510 [ 34.881717] kobject_uevent_env+0x882/0xf30 [ 34.886019] loop_clr_fd+0x59f/0xc20 [ 34.889713] lo_ioctl+0x895/0x1cd0 [ 34.893228] ? kasan_slab_free+0x12d/0x1a0 [ 34.897437] ? loop_set_status64+0xe0/0xe0 [ 34.901650] blkdev_ioctl+0x540/0x1830 [ 34.905515] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 34.910853] ? blkpg_ioctl+0x8d0/0x8d0 [ 34.914719] ? lock_downgrade+0x740/0x740 [ 34.918930] ? debug_check_no_obj_freed+0x2c0/0x680 [ 34.923920] ? lock_acquire+0x170/0x3f0 [ 34.927871] block_ioctl+0xd9/0x120 [ 34.931480] ? blkdev_fallocate+0x3a0/0x3a0 [ 34.935798] do_vfs_ioctl+0x75a/0xff0 [ 34.939577] ? debug_check_no_obj_freed+0x2c0/0x680 [ 34.944569] ? ioctl_preallocate+0x1a0/0x1a0 [ 34.948966] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 34.953958] ? debug_object_activate+0x490/0x490 [ 34.958691] ? kfree+0x14a/0x250 [ 34.962032] ? SyS_mount+0xcc/0x120 [ 34.965638] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 34.970630] ? security_file_ioctl+0x83/0xb0 [ 34.975015] SyS_ioctl+0x7f/0xb0 [ 34.978353] ? do_vfs_ioctl+0xff0/0xff0 [ 34.982303] do_syscall_64+0x1d5/0x640 [ 34.986168] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 34.991333] RIP: 0033:0x7f74cda9d317 [ 34.995018] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 35.002700] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9d317 [ 35.009957] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 35.017216] RBP: 00005555557af380 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 35.024477] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 35.031737] R13: 0000000000000016 R14: 00007ffe6c9edca0 R15: 0000000000000003 [ 35.066223] XFS (loop3): invalid logbufsize: 8 [not 16k,32k,64k,128k or 256k] write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 35.076684] XFS (loop2): invalid logbufsize: 8 [not 16k,32k,64k,128k or 256k] [ 35.078340] XFS (loop4): invalid logbufsize: 8 [not 16k,32k,64k,128k or 256k] [ 35.090147] XFS (loop5): invalid logbufsize: 8 [not 16k,32k,64k,128k or 256k] [ 35.102383] XFS (loop0): invalid logbufsize: 8 [not 16k,32k,64k,128k or 256k] [ 35.102700] XFS (loop1): invalid logbufsize: 8 [not 16k,32k,64k,128k or 256k] [ 35.117626] FAULT_INJECTION: forcing a failure. [ 35.117626] name failslab, interval 1, probability 0, space 0, times 0 [ 35.129580] FAULT_INJECTION: forcing a failure. [ 35.129580] name failslab, interval 1, probability 0, space 0, times 0 [ 35.135438] FAULT_INJECTION: forcing a failure. [ 35.135438] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 35.141036] FAULT_INJECTION: forcing a failure. [ 35.141036] name failslab, interval 1, probability 0, space 0, times 0 [ 35.153585] FAULT_INJECTION: forcing a failure. [ 35.153585] name failslab, interval 1, probability 0, space 0, times 0 [ 35.164164] CPU: 0 PID: 8222 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 35.183193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.192546] Call Trace: [ 35.195128] dump_stack+0x1b2/0x281 [ 35.198745] should_fail.cold+0x10a/0x149 [ 35.202888] should_failslab+0xd6/0x130 [ 35.206858] kmem_cache_alloc_node+0x263/0x410 [ 35.211441] __alloc_skb+0x5c/0x510 [ 35.215064] kobject_uevent_env+0x882/0xf30 [ 35.219384] loop_clr_fd+0x59f/0xc20 [ 35.223098] lo_ioctl+0x895/0x1cd0 [ 35.226626] ? kasan_slab_free+0x12d/0x1a0 [ 35.230840] ? loop_set_status64+0xe0/0xe0 [ 35.235061] blkdev_ioctl+0x540/0x1830 [ 35.238931] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 35.244274] ? blkpg_ioctl+0x8d0/0x8d0 [ 35.248144] ? lock_downgrade+0x740/0x740 [ 35.252278] ? debug_check_no_obj_freed+0x2c0/0x680 [ 35.257310] ? lock_acquire+0x170/0x3f0 [ 35.261264] block_ioctl+0xd9/0x120 [ 35.264870] ? blkdev_fallocate+0x3a0/0x3a0 [ 35.269173] do_vfs_ioctl+0x75a/0xff0 [ 35.272953] ? debug_check_no_obj_freed+0x2c0/0x680 [ 35.277948] ? ioctl_preallocate+0x1a0/0x1a0 [ 35.282341] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 35.287336] ? debug_object_activate+0x490/0x490 [ 35.292074] ? kfree+0x14a/0x250 [ 35.295420] ? SyS_mount+0xcc/0x120 [ 35.299028] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 35.304026] ? security_file_ioctl+0x83/0xb0 [ 35.308414] SyS_ioctl+0x7f/0xb0 [ 35.311759] ? do_vfs_ioctl+0xff0/0xff0 [ 35.315717] do_syscall_64+0x1d5/0x640 [ 35.319586] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 35.324760] RIP: 0033:0x7f74cda9d317 [ 35.328451] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 35.336145] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9d317 [ 35.343393] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 35.350647] RBP: 00005555557af380 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 35.357902] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 35.365155] R13: 0000000000000016 R14: 00007ffe6c9edca0 R15: 0000000000000001 [ 35.372418] CPU: 1 PID: 8223 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 35.380292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.389640] Call Trace: [ 35.392211] dump_stack+0x1b2/0x281 [ 35.395828] should_fail.cold+0x10a/0x149 [ 35.399967] should_failslab+0xd6/0x130 [ 35.403922] __kmalloc+0x2c1/0x400 [ 35.407441] ? kobject_get_path+0xb5/0x230 [ 35.411657] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 35.417087] kobject_get_path+0xb5/0x230 [ 35.421129] kobject_uevent_env+0x230/0xf30 [ 35.425442] loop_clr_fd+0x59f/0xc20 [ 35.429139] lo_ioctl+0x895/0x1cd0 [ 35.432660] ? kasan_slab_free+0x12d/0x1a0 [ 35.436871] ? loop_set_status64+0xe0/0xe0 [ 35.441092] blkdev_ioctl+0x540/0x1830 [ 35.444980] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 35.450325] ? blkpg_ioctl+0x8d0/0x8d0 [ 35.454195] ? lock_downgrade+0x740/0x740 [ 35.458324] ? debug_check_no_obj_freed+0x2c0/0x680 [ 35.463336] ? lock_acquire+0x170/0x3f0 [ 35.467300] block_ioctl+0xd9/0x120 [ 35.470917] ? blkdev_fallocate+0x3a0/0x3a0 [ 35.475226] do_vfs_ioctl+0x75a/0xff0 [ 35.479008] ? debug_check_no_obj_freed+0x2c0/0x680 [ 35.484007] ? ioctl_preallocate+0x1a0/0x1a0 [ 35.488398] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 35.493393] ? debug_object_activate+0x490/0x490 [ 35.498128] ? kfree+0x14a/0x250 [ 35.501477] ? SyS_mount+0xcc/0x120 [ 35.505085] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 35.510080] ? security_file_ioctl+0x83/0xb0 [ 35.514467] SyS_ioctl+0x7f/0xb0 [ 35.517848] ? do_vfs_ioctl+0xff0/0xff0 [ 35.521801] do_syscall_64+0x1d5/0x640 [ 35.525676] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 35.530843] RIP: 0033:0x7f74cda9d317 [ 35.534532] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 35.542218] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9d317 [ 35.549470] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 35.556725] RBP: 00005555557af380 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 35.563974] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 35.571241] R13: 0000000000000016 R14: 00007ffe6c9edca0 R15: 0000000000000004 [ 35.578505] CPU: 0 PID: 8219 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 35.586386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.595770] Call Trace: [ 35.598520] dump_stack+0x1b2/0x281 [ 35.602137] should_fail.cold+0x10a/0x149 [ 35.606287] should_failslab+0xd6/0x130 [ 35.610256] kmem_cache_alloc_trace+0x29a/0x3d0 [ 35.614909] ? dev_uevent_filter+0xd0/0xd0 [ 35.619139] kobject_uevent_env+0x20c/0xf30 [ 35.623461] loop_clr_fd+0x59f/0xc20 [ 35.627162] lo_ioctl+0x895/0x1cd0 [ 35.630693] ? kasan_slab_free+0x12d/0x1a0 [ 35.634909] ? loop_set_status64+0xe0/0xe0 [ 35.639133] blkdev_ioctl+0x540/0x1830 [ 35.643015] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 35.648368] ? blkpg_ioctl+0x8d0/0x8d0 [ 35.652243] ? lock_downgrade+0x740/0x740 [ 35.656385] ? debug_check_no_obj_freed+0x2c0/0x680 [ 35.661390] ? lock_acquire+0x170/0x3f0 [ 35.665352] block_ioctl+0xd9/0x120 [ 35.668972] ? blkdev_fallocate+0x3a0/0x3a0 [ 35.673283] do_vfs_ioctl+0x75a/0xff0 [ 35.677068] ? debug_check_no_obj_freed+0x2c0/0x680 [ 35.682076] ? ioctl_preallocate+0x1a0/0x1a0 [ 35.686478] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 35.691479] ? debug_object_activate+0x490/0x490 [ 35.696216] ? kfree+0x14a/0x250 [ 35.699567] ? SyS_mount+0xcc/0x120 [ 35.703190] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 35.708201] ? security_file_ioctl+0x83/0xb0 [ 35.712606] SyS_ioctl+0x7f/0xb0 [ 35.715962] ? do_vfs_ioctl+0xff0/0xff0 [ 35.719925] do_syscall_64+0x1d5/0x640 [ 35.723803] entry_SYSCALL_64_after_hwframe+0x46/0xbb write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 35.728980] RIP: 0033:0x7f74cda9d317 [ 35.732680] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 35.740375] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9d317 [ 35.747645] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 35.754902] RBP: 00005555557af380 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 35.762159] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 35.769414] R13: 0000000000000016 R14: 00007ffe6c9edca0 R15: 0000000000000004 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 35.776686] CPU: 1 PID: 8218 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 35.784577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.788291] XFS (loop2): invalid logbufsize: 8 [not 16k,32k,64k,128k or 256k] [ 35.793933] Call Trace: [ 35.793947] dump_stack+0x1b2/0x281 [ 35.793958] should_fail.cold+0x10a/0x149 [ 35.793970] should_failslab+0xd6/0x130 [ 35.815508] __kmalloc+0x2c1/0x400 [ 35.819046] ? kobject_get_path+0xb5/0x230 [ 35.823278] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 35.828733] kobject_get_path+0xb5/0x230 [ 35.832798] kobject_uevent_env+0x230/0xf30 [ 35.837124] loop_clr_fd+0x59f/0xc20 [ 35.840841] lo_ioctl+0x895/0x1cd0 [ 35.844467] ? kasan_slab_free+0x12d/0x1a0 [ 35.848697] ? loop_set_status64+0xe0/0xe0 [ 35.852955] blkdev_ioctl+0x540/0x1830 [ 35.856843] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 35.862204] ? blkpg_ioctl+0x8d0/0x8d0 [ 35.866119] ? lock_downgrade+0x740/0x740 [ 35.870264] ? debug_check_no_obj_freed+0x2c0/0x680 [ 35.875279] ? lock_acquire+0x170/0x3f0 [ 35.879257] block_ioctl+0xd9/0x120 [ 35.882886] ? blkdev_fallocate+0x3a0/0x3a0 [ 35.887213] do_vfs_ioctl+0x75a/0xff0 [ 35.891009] ? debug_check_no_obj_freed+0x2c0/0x680 [ 35.896021] ? ioctl_preallocate+0x1a0/0x1a0 [ 35.900439] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 35.905453] ? debug_object_activate+0x490/0x490 [ 35.910211] ? kfree+0x14a/0x250 [ 35.913573] ? SyS_mount+0xcc/0x120 [ 35.917196] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 35.922204] ? security_file_ioctl+0x83/0xb0 [ 35.926609] SyS_ioctl+0x7f/0xb0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 35.929970] ? do_vfs_ioctl+0xff0/0xff0 [ 35.933944] do_syscall_64+0x1d5/0x640 [ 35.937831] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 35.943882] RIP: 0033:0x7f74cda9d317 [ 35.947595] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 35.955308] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9d317 [ 35.962570] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 35.969823] RBP: 00005555557af380 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 35.977074] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 35.984321] R13: 0000000000000016 R14: 00007ffe6c9edca0 R15: 0000000000000004 [ 35.995435] CPU: 1 PID: 8221 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 36.003317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.012666] Call Trace: [ 36.015260] dump_stack+0x1b2/0x281 [ 36.018898] should_fail.cold+0x10a/0x149 [ 36.022668] FAULT_INJECTION: forcing a failure. [ 36.022668] name failslab, interval 1, probability 0, space 0, times 0 [ 36.023077] __alloc_pages_nodemask+0x22c/0x2720 [ 36.036852] FAULT_INJECTION: forcing a failure. [ 36.036852] name failslab, interval 1, probability 0, space 0, times 0 [ 36.038977] ? trace_hardirqs_on+0x10/0x10 [ 36.038989] ? trace_hardirqs_on+0x10/0x10 [ 36.039002] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 36.039011] ? lock_acquire+0x170/0x3f0 [ 36.039023] ? reacquire_held_locks+0xb5/0x3f0 [ 36.072061] ? alloc_set_pte+0xd57/0x1610 [ 36.076209] ? __lock_acquire+0x5fc/0x3f20 [ 36.080443] alloc_pages_vma+0xd2/0x6d0 [ 36.084415] wp_page_copy+0x1f5/0x25c0 [ 36.088303] ? tlb_flush_mmu_free+0x1a0/0x1a0 [ 36.092787] ? __lock_acquire+0x5fc/0x3f20 [ 36.097023] do_wp_page+0x245/0x1db0 [ 36.100727] ? __handle_mm_fault+0x129c/0x4620 [ 36.105304] ? finish_mkwrite_fault+0x5e0/0x5e0 [ 36.109969] __handle_mm_fault+0x234f/0x4620 [ 36.114371] ? vm_insert_page+0x7c0/0x7c0 [ 36.118529] ? lock_acquire+0x170/0x3f0 [ 36.122502] ? mark_held_locks+0xa6/0xf0 [ 36.126557] handle_mm_fault+0x455/0x9c0 [ 36.130616] __do_page_fault+0x549/0xad0 [ 36.134674] ? spurious_fault+0x640/0x640 [ 36.138812] ? do_page_fault+0x60/0x500 [ 36.142774] ? page_fault+0x2f/0x50 [ 36.146392] page_fault+0x45/0x50 [ 36.149837] RIP: 0001:0x7f74cdb09e40 [ 36.153541] RSP: cdb07138:0000000000000000 EFLAGS: 00000000 [ 36.154581] FAULT_INJECTION: forcing a failure. [ 36.154581] name failslab, interval 1, probability 0, space 0, times 0 [ 36.162338] CPU: 0 PID: 8258 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 36.179418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.188758] Call Trace: [ 36.191331] dump_stack+0x1b2/0x281 [ 36.194942] should_fail.cold+0x10a/0x149 [ 36.199074] should_failslab+0xd6/0x130 [ 36.203032] kmem_cache_alloc+0x40/0x3c0 [ 36.207077] __debug_object_init+0x578/0x7a0 [ 36.211469] ? debug_object_destroy+0x240/0x240 [ 36.216117] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 36.221123] __init_work+0x3f/0x50 [ 36.224650] xfs_fs_fill_super+0x22f/0x1380 [ 36.228955] mount_bdev+0x2b3/0x360 [ 36.232559] ? xfs_parseargs+0x1130/0x1130 [ 36.236775] mount_fs+0x92/0x2a0 [ 36.240123] vfs_kern_mount.part.0+0x5b/0x470 [ 36.244602] do_mount+0xe65/0x2a30 [ 36.248125] ? retint_kernel+0x2d/0x2d [ 36.251992] ? copy_mount_string+0x40/0x40 [ 36.256213] ? copy_mount_options+0x194/0x2f0 [ 36.260691] ? copy_mount_options+0x1fa/0x2f0 [ 36.265165] ? copy_mnt_ns+0xa30/0xa30 [ 36.269031] SyS_mount+0xa8/0x120 [ 36.272461] ? copy_mnt_ns+0xa30/0xa30 [ 36.276350] do_syscall_64+0x1d5/0x640 [ 36.280232] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 36.285413] RIP: 0033:0x7f74cda9e8ea [ 36.289112] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 36.296810] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9e8ea [ 36.304073] RDX: 0000000020000200 RSI: 0000000020000240 RDI: 00007ffe6c9edc60 [ 36.311324] RBP: 00007ffe6c9edc60 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 36.318574] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005 [ 36.325825] R13: 0000000000000000 R14: 00007ffe6c9edca0 R15: 0000000000000005 [ 36.333086] CPU: 1 PID: 8233 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 36.340964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.350384] Call Trace: [ 36.352959] dump_stack+0x1b2/0x281 [ 36.356567] should_fail.cold+0x10a/0x149 [ 36.360696] should_failslab+0xd6/0x130 [ 36.364652] kmem_cache_alloc_trace+0x29a/0x3d0 [ 36.369302] ? dev_uevent_filter+0xd0/0xd0 [ 36.373518] kobject_uevent_env+0x20c/0xf30 [ 36.377826] loop_clr_fd+0x59f/0xc20 [ 36.381524] lo_ioctl+0x895/0x1cd0 [ 36.385046] ? kasan_slab_free+0x12d/0x1a0 [ 36.389256] ? loop_set_status64+0xe0/0xe0 [ 36.393471] blkdev_ioctl+0x540/0x1830 [ 36.397346] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 36.402690] ? blkpg_ioctl+0x8d0/0x8d0 [ 36.406558] ? lock_downgrade+0x740/0x740 [ 36.410686] ? debug_check_no_obj_freed+0x2c0/0x680 [ 36.415687] ? lock_acquire+0x170/0x3f0 [ 36.419643] block_ioctl+0xd9/0x120 [ 36.423247] ? blkdev_fallocate+0x3a0/0x3a0 [ 36.427548] do_vfs_ioctl+0x75a/0xff0 [ 36.431329] ? debug_check_no_obj_freed+0x2c0/0x680 [ 36.436330] ? ioctl_preallocate+0x1a0/0x1a0 [ 36.440725] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 36.445727] ? debug_object_activate+0x490/0x490 [ 36.450461] ? kfree+0x14a/0x250 [ 36.453811] ? SyS_mount+0xcc/0x120 [ 36.457417] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 36.462416] ? security_file_ioctl+0x83/0xb0 [ 36.466810] SyS_ioctl+0x7f/0xb0 [ 36.470157] ? do_vfs_ioctl+0xff0/0xff0 [ 36.474110] do_syscall_64+0x1d5/0x640 [ 36.477983] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 36.483164] RIP: 0033:0x7f74cda9d317 [ 36.486855] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 36.494552] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9d317 [ 36.501800] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 36.509049] RBP: 00005555557af380 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 36.511352] XFS (loop5): invalid logbufsize: 8 [not 16k,32k,64k,128k or 256k] [ 36.516300] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 36.516305] R13: 0000000000000016 R14: 00007ffe6c9edca0 R15: 0000000000000003 [ 36.532489] Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF [ 36.539040] CPU: 0 PID: 8259 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 36.552866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.562212] Call Trace: [ 36.564799] dump_stack+0x1b2/0x281 [ 36.568430] should_fail.cold+0x10a/0x149 [ 36.572580] should_failslab+0xd6/0x130 [ 36.576552] kmem_cache_alloc+0x40/0x3c0 [ 36.580614] __debug_object_init+0x578/0x7a0 [ 36.585025] ? debug_object_destroy+0x240/0x240 [ 36.589691] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 36.594697] __init_work+0x3f/0x50 [ 36.598218] xfs_fs_fill_super+0x37c/0x1380 [ 36.602524] mount_bdev+0x2b3/0x360 [ 36.606124] ? xfs_parseargs+0x1130/0x1130 [ 36.610336] mount_fs+0x92/0x2a0 [ 36.613691] vfs_kern_mount.part.0+0x5b/0x470 [ 36.618163] do_mount+0xe65/0x2a30 [ 36.621683] ? retint_kernel+0x2d/0x2d [ 36.625547] ? copy_mount_string+0x40/0x40 [ 36.629758] ? copy_mount_options+0x19a/0x2f0 [ 36.634226] ? copy_mount_options+0x1fa/0x2f0 [ 36.638698] ? copy_mnt_ns+0xa30/0xa30 [ 36.642559] SyS_mount+0xa8/0x120 [ 36.645986] ? copy_mnt_ns+0xa30/0xa30 [ 36.649851] do_syscall_64+0x1d5/0x640 [ 36.653715] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 36.658878] RIP: 0033:0x7f74cda9e8ea [ 36.662565] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 36.670315] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9e8ea [ 36.677560] RDX: 0000000020000200 RSI: 0000000020000240 RDI: 00007ffe6c9edc60 [ 36.684818] RBP: 00007ffe6c9edc60 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 36.692063] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005 [ 36.699415] R13: 0000000000000000 R14: 00007ffe6c9edca0 R15: 0000000000000005 [ 36.714050] FAULT_INJECTION: forcing a failure. [ 36.714050] name failslab, interval 1, probability 0, space 0, times 0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 36.735572] XFS (loop4): invalid logbufsize: 8 [not 16k,32k,64k,128k or 256k] [ 36.737626] XFS (loop3): invalid logbufsize: 8 [not 16k,32k,64k,128k or 256k] [ 36.756406] CPU: 0 PID: 8245 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 36.756899] XFS (loop0): invalid logbufsize: 8 [not 16k,32k,64k,128k or 256k] [ 36.764289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.764293] Call Trace: [ 36.764305] dump_stack+0x1b2/0x281 [ 36.764317] should_fail.cold+0x10a/0x149 [ 36.764327] should_failslab+0xd6/0x130 [ 36.764337] __kmalloc+0x2c1/0x400 [ 36.764345] ? kobject_get_path+0xb5/0x230 [ 36.764354] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 36.764364] kobject_get_path+0xb5/0x230 [ 36.764423] kobject_uevent_env+0x230/0xf30 [ 36.764439] loop_clr_fd+0x59f/0xc20 [ 36.764451] lo_ioctl+0x895/0x1cd0 [ 36.764463] ? kasan_slab_free+0x12d/0x1a0 [ 36.764468] ? loop_set_status64+0xe0/0xe0 [ 36.764480] blkdev_ioctl+0x540/0x1830 [ 36.834354] XFS (loop5): invalid logbufsize: 8 [not 16k,32k,64k,128k or 256k] [ 36.836372] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 36.848976] ? blkpg_ioctl+0x8d0/0x8d0 [ 36.853215] ? lock_downgrade+0x740/0x740 [ 36.857370] ? debug_check_no_obj_freed+0x2c0/0x680 [ 36.862397] ? lock_acquire+0x170/0x3f0 [ 36.866377] block_ioctl+0xd9/0x120 [ 36.870002] ? blkdev_fallocate+0x3a0/0x3a0 [ 36.874316] do_vfs_ioctl+0x75a/0xff0 [ 36.876694] FAULT_INJECTION: forcing a failure. [ 36.876694] name failslab, interval 1, probability 0, space 0, times 0 [ 36.878110] ? debug_check_no_obj_freed+0x2c0/0x680 [ 36.878119] ? ioctl_preallocate+0x1a0/0x1a0 [ 36.878132] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 36.878139] ? debug_object_activate+0x490/0x490 [ 36.878151] ? kfree+0x14a/0x250 [ 36.911788] ? SyS_mount+0xcc/0x120 [ 36.915413] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 36.920431] ? security_file_ioctl+0x83/0xb0 [ 36.924829] SyS_ioctl+0x7f/0xb0 [ 36.928181] ? do_vfs_ioctl+0xff0/0xff0 [ 36.932137] do_syscall_64+0x1d5/0x640 [ 36.936009] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 36.941180] RIP: 0033:0x7f74cda9d317 [ 36.944875] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 36.952565] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9d317 [ 36.959815] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 36.967064] RBP: 00005555557af380 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 36.974317] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 36.981567] R13: 0000000000000016 R14: 00007ffe6c9edca0 R15: 0000000000000002 [ 36.988827] CPU: 1 PID: 8276 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 36.996714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.006065] Call Trace: [ 37.008651] dump_stack+0x1b2/0x281 [ 37.012279] should_fail.cold+0x10a/0x149 [ 37.016428] should_failslab+0xd6/0x130 [ 37.020412] __kmalloc+0x2c1/0x400 [ 37.023964] ? match_strdup+0x58/0xa0 [ 37.027766] ? suffix_kstrtoint.constprop.0+0x102/0x1d0 [ 37.032528] FAULT_INJECTION: forcing a failure. [ 37.032528] name failslab, interval 1, probability 0, space 0, times 0 [ 37.033126] match_strdup+0x58/0xa0 [ 37.047926] suffix_kstrtoint.constprop.0+0x61/0x1d0 [ 37.053013] ? xfs_fs_inode_init_once+0xc0/0xc0 [ 37.057670] ? memcpy+0x35/0x50 [ 37.060936] xfs_parseargs+0x4aa/0x1130 [ 37.064897] ? suffix_kstrtoint.constprop.0+0x1d0/0x1d0 [ 37.070260] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 37.075260] ? init_timer_key+0x68/0x300 [ 37.079310] xfs_fs_fill_super+0x53a/0x1380 [ 37.083629] mount_bdev+0x2b3/0x360 [ 37.087236] ? xfs_parseargs+0x1130/0x1130 [ 37.091452] mount_fs+0x92/0x2a0 [ 37.094808] vfs_kern_mount.part.0+0x5b/0x470 [ 37.099285] do_mount+0xe65/0x2a30 [ 37.102805] ? retint_kernel+0x2d/0x2d [ 37.106674] ? copy_mount_string+0x40/0x40 [ 37.110889] ? copy_mount_options+0x18f/0x2f0 [ 37.115371] ? copy_mount_options+0x1fa/0x2f0 [ 37.119860] ? copy_mnt_ns+0xa30/0xa30 [ 37.123730] SyS_mount+0xa8/0x120 [ 37.127162] ? copy_mnt_ns+0xa30/0xa30 [ 37.131030] do_syscall_64+0x1d5/0x640 [ 37.134901] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.140069] RIP: 0033:0x7f74cda9e8ea [ 37.143759] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 37.151464] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9e8ea [ 37.158716] RDX: 0000000020000200 RSI: 0000000020000240 RDI: 00007ffe6c9edc60 [ 37.165965] RBP: 00007ffe6c9edc60 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 37.173215] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005 [ 37.180467] R13: 0000000000000000 R14: 00007ffe6c9edca0 R15: 0000000000000004 [ 37.187741] CPU: 0 PID: 8295 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 37.195652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.205003] Call Trace: [ 37.207588] dump_stack+0x1b2/0x281 [ 37.211216] should_fail.cold+0x10a/0x149 [ 37.215364] should_failslab+0xd6/0x130 [ 37.219344] kmem_cache_alloc+0x40/0x3c0 [ 37.223459] __debug_object_init+0x578/0x7a0 [ 37.227873] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 37.232956] ? __debug_object_init+0x3fc/0x7a0 [ 37.237515] ? debug_object_destroy+0x240/0x240 [ 37.242185] ? debug_object_destroy+0x240/0x240 [ 37.246842] init_timer_key+0x2f/0x300 [ 37.250885] xfs_fs_fill_super+0x1c8/0x1380 [ 37.255190] mount_bdev+0x2b3/0x360 [ 37.258815] ? xfs_parseargs+0x1130/0x1130 [ 37.263027] mount_fs+0x92/0x2a0 [ 37.266384] vfs_kern_mount.part.0+0x5b/0x470 [ 37.270862] do_mount+0xe65/0x2a30 [ 37.274388] ? retint_kernel+0x2d/0x2d [ 37.278257] ? copy_mount_string+0x40/0x40 [ 37.282478] ? audit_kill_trees+0x230/0x230 [ 37.286779] ? copy_mount_options+0x1fa/0x2f0 [ 37.291249] ? copy_mnt_ns+0xa30/0xa30 [ 37.295116] SyS_mount+0xa8/0x120 [ 37.298545] ? copy_mnt_ns+0xa30/0xa30 [ 37.302410] do_syscall_64+0x1d5/0x640 [ 37.306280] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.311448] RIP: 0033:0x7f74cda9e8ea [ 37.315133] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 37.322816] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9e8ea [ 37.330061] RDX: 0000000020000200 RSI: 0000000020000240 RDI: 00007ffe6c9edc60 [ 37.337307] RBP: 00007ffe6c9edc60 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 37.344550] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005 [ 37.351802] R13: 0000000000000000 R14: 00007ffe6c9edca0 R15: 0000000000000003 [ 37.359714] XFS (loop2): invalid logbufsize: 8 [not 16k,32k,64k,128k or 256k] [ 37.368374] FAULT_INJECTION: forcing a failure. [ 37.368374] name failslab, interval 1, probability 0, space 0, times 0 [ 37.368709] FAULT_INJECTION: forcing a failure. [ 37.368709] name failslab, interval 1, probability 0, space 0, times 0 [ 37.379670] FAULT_INJECTION: forcing a failure. [ 37.379670] name failslab, interval 1, probability 0, space 0, times 0 [ 37.379678] CPU: 1 PID: 8274 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 37.379686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.419211] Call Trace: [ 37.421804] dump_stack+0x1b2/0x281 [ 37.425419] should_fail.cold+0x10a/0x149 [ 37.429579] should_failslab+0xd6/0x130 [ 37.433542] __kmalloc+0x2c1/0x400 [ 37.437065] ? kobject_get_path+0xb5/0x230 [ 37.441280] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 37.446709] kobject_get_path+0xb5/0x230 [ 37.450751] kobject_uevent_env+0x230/0xf30 [ 37.455086] loop_clr_fd+0x59f/0xc20 [ 37.458784] lo_ioctl+0x895/0x1cd0 [ 37.462311] ? kasan_slab_free+0x12d/0x1a0 [ 37.466526] ? loop_set_status64+0xe0/0xe0 [ 37.470748] blkdev_ioctl+0x540/0x1830 [ 37.474629] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.479974] ? blkpg_ioctl+0x8d0/0x8d0 [ 37.483843] ? lock_downgrade+0x740/0x740 [ 37.487973] ? debug_check_no_obj_freed+0x2c0/0x680 [ 37.492967] ? lock_acquire+0x170/0x3f0 [ 37.496932] block_ioctl+0xd9/0x120 [ 37.500539] ? blkdev_fallocate+0x3a0/0x3a0 [ 37.504839] do_vfs_ioctl+0x75a/0xff0 [ 37.508620] ? debug_check_no_obj_freed+0x2c0/0x680 [ 37.513617] ? ioctl_preallocate+0x1a0/0x1a0 [ 37.518010] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 37.523007] ? debug_object_activate+0x490/0x490 [ 37.527742] ? kfree+0x14a/0x250 [ 37.531089] ? SyS_mount+0xcc/0x120 [ 37.534701] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 37.539699] ? security_file_ioctl+0x83/0xb0 [ 37.544092] SyS_ioctl+0x7f/0xb0 [ 37.547438] ? do_vfs_ioctl+0xff0/0xff0 [ 37.551391] do_syscall_64+0x1d5/0x640 [ 37.555268] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.560438] RIP: 0033:0x7f74cda9d317 [ 37.564127] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 37.571816] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9d317 [ 37.579064] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 37.586312] RBP: 00005555557af380 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 37.593565] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 37.600821] R13: 0000000000000016 R14: 00007ffe6c9edca0 R15: 0000000000000005 [ 37.608084] CPU: 0 PID: 8283 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 37.615964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.625307] Call Trace: [ 37.627885] dump_stack+0x1b2/0x281 [ 37.631497] should_fail.cold+0x10a/0x149 [ 37.635629] should_failslab+0xd6/0x130 [ 37.639592] __kmalloc+0x2c1/0x400 [ 37.643119] ? kobject_get_path+0xb5/0x230 [ 37.647334] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 37.652762] kobject_get_path+0xb5/0x230 [ 37.656803] kobject_uevent_env+0x230/0xf30 [ 37.661109] loop_clr_fd+0x59f/0xc20 [ 37.664805] lo_ioctl+0x895/0x1cd0 [ 37.668335] ? kasan_slab_free+0x12d/0x1a0 [ 37.672551] ? loop_set_status64+0xe0/0xe0 [ 37.676771] blkdev_ioctl+0x540/0x1830 [ 37.680637] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.685980] ? blkpg_ioctl+0x8d0/0x8d0 [ 37.689847] ? lock_downgrade+0x740/0x740 [ 37.693976] ? debug_check_no_obj_freed+0x2c0/0x680 [ 37.698975] ? lock_acquire+0x170/0x3f0 [ 37.702932] block_ioctl+0xd9/0x120 [ 37.706539] ? blkdev_fallocate+0x3a0/0x3a0 [ 37.710842] do_vfs_ioctl+0x75a/0xff0 [ 37.714622] ? debug_check_no_obj_freed+0x2c0/0x680 [ 37.719622] ? ioctl_preallocate+0x1a0/0x1a0 [ 37.724012] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 37.729006] ? debug_object_activate+0x490/0x490 [ 37.733749] ? kfree+0x14a/0x250 [ 37.737102] ? SyS_mount+0xcc/0x120 [ 37.740742] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 37.745740] ? security_file_ioctl+0x83/0xb0 [ 37.750127] SyS_ioctl+0x7f/0xb0 [ 37.753471] ? do_vfs_ioctl+0xff0/0xff0 [ 37.757425] do_syscall_64+0x1d5/0x640 [ 37.761296] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.766465] RIP: 0033:0x7f74cda9d317 [ 37.770156] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 37.777842] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9d317 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 37.785089] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 37.792358] RBP: 00005555557af380 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 37.799610] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 37.806859] R13: 0000000000000016 R14: 00007ffe6c9edca0 R15: 0000000000000006 [ 37.814134] CPU: 1 PID: 8275 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 37.822020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.831373] Call Trace: [ 37.833963] dump_stack+0x1b2/0x281 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 37.837591] should_fail.cold+0x10a/0x149 [ 37.841741] should_failslab+0xd6/0x130 [ 37.845721] kmem_cache_alloc_node+0x263/0x410 [ 37.850307] __alloc_skb+0x5c/0x510 [ 37.853926] kobject_uevent_env+0x882/0xf30 [ 37.858232] loop_clr_fd+0x59f/0xc20 [ 37.861929] lo_ioctl+0x895/0x1cd0 [ 37.865450] ? kasan_slab_free+0x12d/0x1a0 [ 37.869664] ? loop_set_status64+0xe0/0xe0 [ 37.873882] blkdev_ioctl+0x540/0x1830 [ 37.877752] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.883101] ? blkpg_ioctl+0x8d0/0x8d0 [ 37.886969] ? lock_downgrade+0x740/0x740 [ 37.891094] ? debug_check_no_obj_freed+0x2c0/0x680 [ 37.896225] ? lock_acquire+0x170/0x3f0 [ 37.900180] block_ioctl+0xd9/0x120 [ 37.903784] ? blkdev_fallocate+0x3a0/0x3a0 [ 37.908085] do_vfs_ioctl+0x75a/0xff0 [ 37.911864] ? debug_check_no_obj_freed+0x2c0/0x680 [ 37.916862] ? ioctl_preallocate+0x1a0/0x1a0 [ 37.921253] ? debug_object_activate+0x490/0x490 [ 37.925986] ? kfree+0x14a/0x250 [ 37.929441] ? SyS_mount+0xcc/0x120 [ 37.933045] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 37.938039] ? security_file_ioctl+0x83/0xb0 [ 37.942427] SyS_ioctl+0x7f/0xb0 [ 37.945767] ? do_vfs_ioctl+0xff0/0xff0 [ 37.949719] do_syscall_64+0x1d5/0x640 [ 37.953588] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.958755] RIP: 0033:0x7f74cda9d317 [ 37.962440] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 37.970124] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9d317 [ 37.977371] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 37.984621] RBP: 00005555557af380 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 37.991874] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 37.999222] R13: 0000000000000016 R14: 00007ffe6c9edca0 R15: 0000000000000005 [ 38.019691] XFS (loop5): invalid logbufsize: 8 [not 16k,32k,64k,128k or 256k] [ 38.032884] XFS (loop0): invalid logbufsize: 8 [not 16k,32k,64k,128k or 256k] write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 38.041984] XFS (loop2): invalid logbufsize: 8 [not 16k,32k,64k,128k or 256k] [ 38.053779] FAULT_INJECTION: forcing a failure. [ 38.053779] name failslab, interval 1, probability 0, space 0, times 0 [ 38.058329] XFS (loop3): invalid logbufsize: 8 [not 16k,32k,64k,128k or 256k] [ 38.071965] CPU: 1 PID: 8314 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 38.073031] FAULT_INJECTION: forcing a failure. [ 38.073031] name failslab, interval 1, probability 0, space 0, times 0 [ 38.080118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.080121] Call Trace: [ 38.080134] dump_stack+0x1b2/0x281 [ 38.080146] should_fail.cold+0x10a/0x149 [ 38.080157] should_failslab+0xd6/0x130 [ 38.080166] __kmalloc+0x2c1/0x400 [ 38.080175] ? match_strdup+0x58/0xa0 [ 38.080187] match_strdup+0x58/0xa0 [ 38.096467] FAULT_INJECTION: forcing a failure. [ 38.096467] name failslab, interval 1, probability 0, space 0, times 0 [ 38.101514] suffix_kstrtoint.constprop.0+0x61/0x1d0 [ 38.101523] ? xfs_fs_inode_init_once+0xc0/0xc0 [ 38.101531] ? memcpy+0x35/0x50 [ 38.101540] xfs_parseargs+0x828/0x1130 [ 38.101551] ? suffix_kstrtoint.constprop.0+0x1d0/0x1d0 [ 38.101566] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 38.101576] ? init_timer_key+0x68/0x300 [ 38.169177] xfs_fs_fill_super+0x53a/0x1380 [ 38.173483] mount_bdev+0x2b3/0x360 [ 38.177088] ? xfs_parseargs+0x1130/0x1130 [ 38.181301] mount_fs+0x92/0x2a0 [ 38.184650] vfs_kern_mount.part.0+0x5b/0x470 [ 38.189126] do_mount+0xe65/0x2a30 [ 38.192645] ? do_raw_spin_unlock+0x164/0x220 [ 38.197122] ? copy_mount_string+0x40/0x40 [ 38.201336] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 38.206330] ? copy_mnt_ns+0xa30/0xa30 [ 38.210216] ? copy_mount_options+0x1fa/0x2f0 [ 38.214697] ? copy_mnt_ns+0xa30/0xa30 [ 38.218572] SyS_mount+0xa8/0x120 [ 38.222008] ? copy_mnt_ns+0xa30/0xa30 [ 38.225882] do_syscall_64+0x1d5/0x640 [ 38.229765] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 38.234934] RIP: 0033:0x7f74cda9e8ea [ 38.238624] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 38.246313] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9e8ea [ 38.253560] RDX: 0000000020000200 RSI: 0000000020000240 RDI: 00007ffe6c9edc60 [ 38.260824] RBP: 00007ffe6c9edc60 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 38.268073] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005 [ 38.275336] R13: 0000000000000000 R14: 00007ffe6c9edca0 R15: 0000000000000005 [ 38.282604] CPU: 0 PID: 8302 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 38.290484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.299829] Call Trace: [ 38.302404] dump_stack+0x1b2/0x281 [ 38.306016] should_fail.cold+0x10a/0x149 [ 38.310149] should_failslab+0xd6/0x130 [ 38.314110] kmem_cache_alloc_node+0x263/0x410 [ 38.318857] __alloc_skb+0x5c/0x510 [ 38.322555] kobject_uevent_env+0x882/0xf30 [ 38.326862] loop_clr_fd+0x59f/0xc20 [ 38.330562] lo_ioctl+0x895/0x1cd0 [ 38.334088] ? kasan_slab_free+0x12d/0x1a0 [ 38.338302] ? loop_set_status64+0xe0/0xe0 [ 38.342523] blkdev_ioctl+0x540/0x1830 [ 38.346398] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 38.351766] ? blkpg_ioctl+0x8d0/0x8d0 [ 38.355642] ? lock_downgrade+0x740/0x740 [ 38.359775] ? debug_check_no_obj_freed+0x2c0/0x680 [ 38.364789] ? lock_acquire+0x170/0x3f0 [ 38.368767] block_ioctl+0xd9/0x120 [ 38.372375] ? blkdev_fallocate+0x3a0/0x3a0 [ 38.376678] do_vfs_ioctl+0x75a/0xff0 [ 38.380457] ? debug_check_no_obj_freed+0x2c0/0x680 [ 38.385462] ? ioctl_preallocate+0x1a0/0x1a0 [ 38.389854] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 38.394849] ? debug_object_activate+0x490/0x490 [ 38.399586] ? kfree+0x14a/0x250 [ 38.402940] ? SyS_mount+0xcc/0x120 [ 38.406554] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 38.411552] ? security_file_ioctl+0x83/0xb0 [ 38.415941] SyS_ioctl+0x7f/0xb0 [ 38.419286] ? do_vfs_ioctl+0xff0/0xff0 [ 38.423242] do_syscall_64+0x1d5/0x640 [ 38.427113] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 38.432283] RIP: 0033:0x7f74cda9d317 [ 38.435972] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 38.443659] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9d317 [ 38.450910] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 38.458160] RBP: 00005555557af380 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 38.465408] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 38.472658] R13: 0000000000000016 R14: 00007ffe6c9edca0 R15: 0000000000000007 [ 38.479920] CPU: 1 PID: 8304 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 38.487800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.497149] Call Trace: [ 38.499736] dump_stack+0x1b2/0x281 [ 38.503363] should_fail.cold+0x10a/0x149 [ 38.507512] should_failslab+0xd6/0x130 [ 38.511484] kmem_cache_alloc_trace+0x29a/0x3d0 [ 38.516150] ? dev_uevent_filter+0xd0/0xd0 [ 38.520386] kobject_uevent_env+0x20c/0xf30 [ 38.524710] loop_clr_fd+0x59f/0xc20 [ 38.528427] lo_ioctl+0x895/0x1cd0 [ 38.531968] ? kasan_slab_free+0x12d/0x1a0 [ 38.536200] ? loop_set_status64+0xe0/0xe0 [ 38.540436] blkdev_ioctl+0x540/0x1830 [ 38.544318] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 38.549681] ? blkpg_ioctl+0x8d0/0x8d0 [ 38.553562] ? lock_downgrade+0x740/0x740 [ 38.557708] ? debug_check_no_obj_freed+0x2c0/0x680 [ 38.562723] ? lock_acquire+0x170/0x3f0 [ 38.566697] block_ioctl+0xd9/0x120 [ 38.570323] ? blkdev_fallocate+0x3a0/0x3a0 [ 38.574642] do_vfs_ioctl+0x75a/0xff0 [ 38.578443] ? debug_check_no_obj_freed+0x2c0/0x680 [ 38.583468] ? ioctl_preallocate+0x1a0/0x1a0 [ 38.587877] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 38.593597] ? debug_object_activate+0x490/0x490 [ 38.598352] ? kfree+0x14a/0x250 [ 38.601712] ? SyS_mount+0xcc/0x120 [ 38.605335] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 38.610348] ? security_file_ioctl+0x83/0xb0 [ 38.612742] FAULT_INJECTION: forcing a failure. [ 38.612742] name failslab, interval 1, probability 0, space 0, times 0 [ 38.614747] SyS_ioctl+0x7f/0xb0 [ 38.614754] ? do_vfs_ioctl+0xff0/0xff0 [ 38.614763] do_syscall_64+0x1d5/0x640 [ 38.614778] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 38.642365] RIP: 0033:0x7f74cda9d317 [ 38.646059] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 38.653745] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9d317 [ 38.660994] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 38.668245] RBP: 00005555557af380 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 38.675493] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 38.682916] R13: 0000000000000016 R14: 00007ffe6c9edca0 R15: 0000000000000006 [ 38.690350] CPU: 0 PID: 8322 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 38.698228] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.707577] Call Trace: [ 38.710166] dump_stack+0x1b2/0x281 [ 38.713798] should_fail.cold+0x10a/0x149 [ 38.717947] should_failslab+0xd6/0x130 [ 38.721919] __kmalloc+0x2c1/0x400 [ 38.725453] ? register_shrinker+0x1ab/0x220 [ 38.729858] register_shrinker+0x1ab/0x220 [ 38.734089] sget_userns+0x9aa/0xc10 [ 38.737801] ? set_bdev_super+0x110/0x110 [ 38.741950] ? ns_test_super+0x50/0x50 [ 38.745843] ? set_bdev_super+0x110/0x110 [ 38.747916] FAULT_INJECTION: forcing a failure. [ 38.747916] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 38.749987] ? ns_test_super+0x50/0x50 [ 38.765618] sget+0xd1/0x110 [ 38.768623] mount_bdev+0xcd/0x360 [ 38.772142] ? xfs_parseargs+0x1130/0x1130 [ 38.776355] mount_fs+0x92/0x2a0 [ 38.779708] vfs_kern_mount.part.0+0x5b/0x470 [ 38.784187] do_mount+0xe65/0x2a30 [ 38.787713] ? do_raw_spin_unlock+0x164/0x220 [ 38.792194] ? copy_mount_string+0x40/0x40 [ 38.796412] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 38.801413] ? copy_mnt_ns+0xa30/0xa30 [ 38.805280] ? copy_mount_options+0x1fa/0x2f0 [ 38.809756] ? copy_mnt_ns+0xa30/0xa30 [ 38.813622] SyS_mount+0xa8/0x120 [ 38.817056] ? copy_mnt_ns+0xa30/0xa30 [ 38.820924] do_syscall_64+0x1d5/0x640 [ 38.824794] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 38.829963] RIP: 0033:0x7f74cda9e8ea [ 38.833651] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 38.841339] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9e8ea [ 38.848593] RDX: 0000000020000200 RSI: 0000000020000240 RDI: 00007ffe6c9edc60 [ 38.855842] RBP: 00007ffe6c9edc60 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 38.863091] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005 [ 38.870341] R13: 0000000000000000 R14: 00007ffe6c9edca0 R15: 0000000000000006 [ 38.877605] CPU: 1 PID: 8315 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 38.878620] FAULT_INJECTION: forcing a failure. [ 38.878620] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 38.885480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.906574] Call Trace: [ 38.909145] dump_stack+0x1b2/0x281 [ 38.912756] should_fail.cold+0x10a/0x149 [ 38.916886] __alloc_pages_nodemask+0x22c/0x2720 [ 38.921628] ? __lock_acquire+0x5fc/0x3f20 [ 38.925845] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 38.930667] ? __mutex_lock+0x360/0x1310 [ 38.934716] ? mark_held_locks+0xa6/0xf0 [ 38.938759] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 38.943843] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 38.948842] cache_grow_begin+0x91/0x700 [ 38.952880] ? fs_reclaim_release+0xd0/0x110 [ 38.957270] ? check_preemption_disabled+0x35/0x240 [ 38.962286] cache_alloc_refill+0x273/0x350 [ 38.966603] kmem_cache_alloc_trace+0x340/0x3d0 [ 38.971252] ? dev_uevent_filter+0xd0/0xd0 [ 38.975466] kobject_uevent_env+0x20c/0xf30 [ 38.979860] loop_clr_fd+0x59f/0xc20 [ 38.983556] lo_ioctl+0x895/0x1cd0 [ 38.987081] ? kasan_slab_free+0x12d/0x1a0 [ 38.991294] ? loop_set_status64+0xe0/0xe0 [ 38.995514] blkdev_ioctl+0x540/0x1830 [ 38.999383] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 39.004724] ? blkpg_ioctl+0x8d0/0x8d0 [ 39.008591] ? lock_downgrade+0x740/0x740 [ 39.012720] ? debug_check_no_obj_freed+0x2c0/0x680 [ 39.017724] ? lock_acquire+0x170/0x3f0 [ 39.021683] block_ioctl+0xd9/0x120 [ 39.025311] ? blkdev_fallocate+0x3a0/0x3a0 [ 39.029628] do_vfs_ioctl+0x75a/0xff0 [ 39.033423] ? debug_check_no_obj_freed+0x2c0/0x680 [ 39.038430] ? ioctl_preallocate+0x1a0/0x1a0 [ 39.042840] ? debug_object_activate+0x490/0x490 [ 39.047584] ? kfree+0x14a/0x250 [ 39.050946] ? SyS_mount+0xcc/0x120 [ 39.054558] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 39.059571] ? security_file_ioctl+0x83/0xb0 [ 39.063977] SyS_ioctl+0x7f/0xb0 [ 39.067338] ? do_vfs_ioctl+0xff0/0xff0 [ 39.071301] do_syscall_64+0x1d5/0x640 [ 39.075179] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 39.080355] RIP: 0033:0x7f74cda9d317 [ 39.084046] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 39.091735] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9d317 [ 39.098985] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 39.106237] RBP: 00005555557af380 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 39.113486] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 39.120735] R13: 0000000000000016 R14: 00007ffe6c9edca0 R15: 0000000000000004 [ 39.128012] CPU: 0 PID: 8313 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 39.135893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.145241] Call Trace: [ 39.147831] dump_stack+0x1b2/0x281 [ 39.151473] should_fail.cold+0x10a/0x149 [ 39.155622] __alloc_pages_nodemask+0x22c/0x2720 [ 39.160392] ? __lock_acquire+0x5fc/0x3f20 [ 39.164629] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 39.169473] ? __mutex_lock+0x360/0x1310 [ 39.173543] ? mark_held_locks+0xa6/0xf0 [ 39.177604] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 39.182712] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 39.187734] cache_grow_begin+0x91/0x700 [ 39.191795] ? fs_reclaim_release+0xd0/0x110 [ 39.196203] ? check_preemption_disabled+0x35/0x240 [ 39.201223] cache_alloc_refill+0x273/0x350 [ 39.205554] kmem_cache_alloc_trace+0x340/0x3d0 [ 39.210224] ? dev_uevent_filter+0xd0/0xd0 [ 39.214480] kobject_uevent_env+0x20c/0xf30 [ 39.218813] loop_clr_fd+0x59f/0xc20 [ 39.222529] lo_ioctl+0x895/0x1cd0 [ 39.226072] ? kasan_slab_free+0x12d/0x1a0 [ 39.230309] ? loop_set_status64+0xe0/0xe0 [ 39.234559] blkdev_ioctl+0x540/0x1830 [ 39.238450] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 39.243817] ? blkpg_ioctl+0x8d0/0x8d0 [ 39.247704] ? lock_downgrade+0x740/0x740 [ 39.251854] ? debug_check_no_obj_freed+0x2c0/0x680 [ 39.256866] ? lock_acquire+0x170/0x3f0 [ 39.260392] FAULT_INJECTION: forcing a failure. [ 39.260392] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 39.260843] block_ioctl+0xd9/0x120 [ 39.276219] ? blkdev_fallocate+0x3a0/0x3a0 [ 39.280527] do_vfs_ioctl+0x75a/0xff0 [ 39.284463] ? debug_check_no_obj_freed+0x2c0/0x680 [ 39.289461] ? ioctl_preallocate+0x1a0/0x1a0 [ 39.293854] ? debug_object_activate+0x490/0x490 [ 39.298593] ? kfree+0x14a/0x250 [ 39.301938] ? SyS_mount+0xcc/0x120 [ 39.305546] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 39.310541] ? security_file_ioctl+0x83/0xb0 [ 39.314934] SyS_ioctl+0x7f/0xb0 [ 39.318282] ? do_vfs_ioctl+0xff0/0xff0 [ 39.322240] do_syscall_64+0x1d5/0x640 [ 39.326129] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 39.331307] RIP: 0033:0x7f74cda9d317 [ 39.335005] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 39.342691] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9d317 [ 39.350030] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 39.357282] RBP: 00005555557af380 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 39.364534] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 39.371799] R13: 0000000000000016 R14: 00007ffe6c9edca0 R15: 0000000000000006 [ 39.379062] CPU: 1 PID: 8338 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 39.386944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.396381] Call Trace: [ 39.398972] dump_stack+0x1b2/0x281 [ 39.402602] should_fail.cold+0x10a/0x149 [ 39.406757] __alloc_pages_nodemask+0x22c/0x2720 [ 39.411514] ? string+0x17e/0x1d0 [ 39.414967] ? __lock_acquire+0x5fc/0x3f20 [ 39.419205] ? bdev_name.constprop.0+0x1cd/0x240 [ 39.422829] ------------[ cut here ]------------ [ 39.423955] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 39.423967] ? pointer+0x31f/0x9e0 [ 39.428786] WARNING: CPU: 0 PID: 8322 at fs/super.c:1163 kill_block_super+0xbe/0xe0 [ 39.433603] ? lock_downgrade+0x740/0x740 [ 39.437116] Kernel panic - not syncing: panic_on_warn set ... [ 39.437116] [ 39.444889] ? format_decode+0x1cb/0x890 [ 39.460377] ? set_precision+0x150/0x150 [ 39.464419] ? reacquire_held_locks+0xb5/0x3f0 [ 39.468987] cache_grow_begin+0x91/0x700 [ 39.473030] ? fs_reclaim_release+0xd0/0x110 [ 39.477421] ? check_preemption_disabled+0x35/0x240 [ 39.482426] cache_alloc_refill+0x273/0x350 [ 39.486737] kmem_cache_alloc_trace+0x340/0x3d0 [ 39.491388] xfs_fs_fill_super+0x50/0x1380 [ 39.495605] mount_bdev+0x2b3/0x360 [ 39.499209] ? xfs_parseargs+0x1130/0x1130 [ 39.503424] mount_fs+0x92/0x2a0 [ 39.506775] vfs_kern_mount.part.0+0x5b/0x470 [ 39.511251] do_mount+0xe65/0x2a30 [ 39.514773] ? do_raw_spin_unlock+0x164/0x220 [ 39.519250] ? copy_mount_string+0x40/0x40 [ 39.523476] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 39.528476] ? copy_mnt_ns+0xa30/0xa30 [ 39.532344] ? copy_mount_options+0x1fa/0x2f0 [ 39.536822] ? copy_mnt_ns+0xa30/0xa30 [ 39.540699] SyS_mount+0xa8/0x120 [ 39.544132] ? copy_mnt_ns+0xa30/0xa30 [ 39.548003] do_syscall_64+0x1d5/0x640 [ 39.551874] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 39.557049] RIP: 0033:0x7f74cda9e8ea [ 39.560742] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 39.568431] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9e8ea [ 39.575678] RDX: 0000000020000200 RSI: 0000000020000240 RDI: 00007ffe6c9edc60 [ 39.583020] RBP: 00007ffe6c9edc60 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 39.590272] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005 [ 39.597521] R13: 0000000000000000 R14: 00007ffe6c9edca0 R15: 0000000000000008 [ 39.604872] CPU: 0 PID: 8322 Comm: syz-executor138 Not tainted 4.14.284-syzkaller #0 [ 39.612839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.618341] FAULT_INJECTION: forcing a failure. [ 39.618341] name failslab, interval 1, probability 0, space 0, times 0 [ 39.622197] Call Trace: [ 39.635937] dump_stack+0x1b2/0x281 [ 39.639569] panic+0x1f9/0x42d [ 39.642754] ? add_taint.cold+0x16/0x16 [ 39.646721] ? kill_block_super+0xbe/0xe0 [ 39.650854] ? kill_block_super+0xbe/0xe0 [ 39.654980] __warn.cold+0x20/0x44 [ 39.658502] ? ist_end_non_atomic+0x10/0x10 [ 39.662807] ? kill_block_super+0xbe/0xe0 [ 39.666937] report_bug+0x208/0x250 [ 39.670547] do_error_trap+0x195/0x2d0 [ 39.674416] ? math_error+0x2d0/0x2d0 [ 39.678196] ? retint_kernel+0x2d/0x2d [ 39.682070] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 39.686913] invalid_op+0x1b/0x40 [ 39.690351] RIP: 0010:kill_block_super+0xbe/0xe0 [ 39.695082] RSP: 0018:ffff8880b31c7bc8 EFLAGS: 00010297 [ 39.700424] RAX: ffff8880b3258440 RBX: 0000000000000000 RCX: 1ffff1101664b19e [ 39.707677] RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff8880b1dd0bf0 [ 39.714925] RBP: ffff88809f10a9c0 R08: ffffffff8b9d69b0 R09: 0000000000000001 [ 39.722180] R10: 0000000000000000 R11: ffff8880b3258440 R12: ffff8880b1dd0740 [ 39.729433] R13: ffffffff892471f0 R14: ffffffff88f45680 R15: dffffc0000000000 [ 39.736706] ? kill_block_super+0xbe/0xe0 [ 39.738226] FAULT_INJECTION: forcing a failure. [ 39.738226] name failslab, interval 1, probability 0, space 0, times 0 [ 39.740847] deactivate_locked_super+0x6c/0xd0 [ 39.756578] sget_userns+0x9c4/0xc10 [ 39.760293] ? set_bdev_super+0x110/0x110 [ 39.764435] ? ns_test_super+0x50/0x50 [ 39.768307] ? set_bdev_super+0x110/0x110 [ 39.772434] ? ns_test_super+0x50/0x50 [ 39.776302] sget+0xd1/0x110 [ 39.779304] mount_bdev+0xcd/0x360 [ 39.782825] ? xfs_parseargs+0x1130/0x1130 [ 39.787039] mount_fs+0x92/0x2a0 [ 39.790390] vfs_kern_mount.part.0+0x5b/0x470 [ 39.794866] do_mount+0xe65/0x2a30 [ 39.798399] ? do_raw_spin_unlock+0x164/0x220 [ 39.802897] ? copy_mount_string+0x40/0x40 [ 39.807133] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 39.812143] ? copy_mnt_ns+0xa30/0xa30 [ 39.816016] ? copy_mount_options+0x1fa/0x2f0 [ 39.820491] ? copy_mnt_ns+0xa30/0xa30 [ 39.824360] SyS_mount+0xa8/0x120 [ 39.827793] ? copy_mnt_ns+0xa30/0xa30 [ 39.831665] do_syscall_64+0x1d5/0x640 [ 39.835549] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 39.840719] RIP: 0033:0x7f74cda9e8ea [ 39.844411] RSP: 002b:00007ffe6c9edc58 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 39.852121] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74cda9e8ea [ 39.859369] RDX: 0000000020000200 RSI: 0000000020000240 RDI: 00007ffe6c9edc60 [ 39.866619] RBP: 00007ffe6c9edc60 R08: 00007ffe6c9edca0 R09: 6f6f6c2f7665642f [ 39.873869] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005 [ 39.878132] FAULT_INJECTION: forcing a failure. [ 39.878132] name failslab, interval 1, probability 0, space 0, times 0 [ 39.881121] R13: 0000000000000000 R14: 00007ffe6c9edca0 R15: 0000000000000006 [ 39.892462] Kernel Offset: disabled [ 39.903317] Rebooting in 86400 seconds..