[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 20.287737] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 22.792953] random: sshd: uninitialized urandom read (32 bytes read) [ 23.107633] random: sshd: uninitialized urandom read (32 bytes read) [ 23.804872] random: sshd: uninitialized urandom read (32 bytes read) [ 23.965481] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.41' (ECDSA) to the list of known hosts. [ 29.356174] random: sshd: uninitialized urandom read (32 bytes read) executing program executing program [ 29.451981] FAULT_INJECTION: forcing a failure. [ 29.451981] name failslab, interval 1, probability 0, space 0, times 1 [ 29.463256] CPU: 1 PID: 4504 Comm: syz-executor777 Not tainted 4.17.0-rc2+ #19 [ 29.470600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.479935] Call Trace: [ 29.482512] dump_stack+0x1b9/0x294 [ 29.486122] ? dump_stack_print_info.cold.2+0x52/0x52 [ 29.491297] ? kernel_text_address+0x79/0xf0 [ 29.495687] ? __unwind_start+0x166/0x330 [ 29.499819] ? __kernel_text_address+0xd/0x40 [ 29.504299] should_fail.cold.4+0xa/0x1a [ 29.508343] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 29.513433] ? save_stack+0x43/0xd0 [ 29.517047] ? kasan_kmalloc+0xc4/0xe0 [ 29.520923] ? kasan_slab_alloc+0x12/0x20 [ 29.525067] ? kmem_cache_alloc+0x12e/0x760 [ 29.529368] ? alloc_vfsmnt+0xe0/0x9d0 [ 29.533240] ? vfs_kern_mount.part.34+0x88/0x4d0 [ 29.537981] ? find_held_lock+0x36/0x1c0 [ 29.542051] ? check_same_owner+0x320/0x320 [ 29.546359] ? rcu_note_context_switch+0x710/0x710 [ 29.551273] __should_failslab+0x124/0x180 [ 29.555500] should_failslab+0x9/0x14 [ 29.559905] __kmalloc_track_caller+0x2c4/0x760 [ 29.564555] ? kasan_check_read+0x11/0x20 [ 29.568696] ? do_raw_spin_unlock+0x9e/0x2e0 [ 29.573090] ? kstrdup_const+0x66/0x80 [ 29.576965] kstrdup+0x39/0x70 [ 29.580161] kstrdup_const+0x66/0x80 [ 29.583856] alloc_vfsmnt+0x1b3/0x9d0 [ 29.587637] ? mnt_free_id.isra.27+0x60/0x60 [ 29.592037] ? kasan_check_read+0x11/0x20 [ 29.596174] ? graph_lock+0x170/0x170 [ 29.599960] ? rcu_pm_notify+0xc0/0xc0 [ 29.603827] ? trace_hardirqs_off+0xd/0x10 [ 29.608052] ? putname+0xf2/0x130 [ 29.611487] ? putname+0xf2/0x130 [ 29.614923] ? find_held_lock+0x36/0x1c0 [ 29.618977] ? lock_downgrade+0x8e0/0x8e0 [ 29.623112] ? module_unload_free+0x5b0/0x5b0 [ 29.627617] ? lock_release+0xa10/0xa10 [ 29.631582] ? mpi_free.cold.1+0x19/0x19 [ 29.635639] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 29.641164] vfs_kern_mount.part.34+0x88/0x4d0 [ 29.645728] ? may_umount+0xb0/0xb0 [ 29.649339] ? _raw_read_unlock+0x22/0x30 [ 29.653465] ? __get_fs_type+0x97/0xc0 [ 29.657341] do_mount+0x564/0x3070 [ 29.660871] ? copy_mount_string+0x40/0x40 [ 29.665103] ? rcu_pm_notify+0xc0/0xc0 [ 29.668982] ? copy_mount_options+0x5f/0x380 [ 29.673377] ? rcu_read_lock_sched_held+0x108/0x120 [ 29.678381] ? kmem_cache_alloc_trace+0x616/0x780 [ 29.683212] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 29.688754] ? _copy_from_user+0xdf/0x150 [ 29.692888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 29.698415] ? copy_mount_options+0x285/0x380 [ 29.702898] ksys_mount+0x12d/0x140 [ 29.706509] __x64_sys_mount+0xbe/0x150 [ 29.710496] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 29.715512] do_syscall_64+0x1b1/0x800 [ 29.719383] ? syscall_return_slowpath+0x5c0/0x5c0 [ 29.724308] ? syscall_return_slowpath+0x30f/0x5c0 [ 29.729236] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 29.734587] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.739424] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 29.744596] RIP: 0033:0x440579 executing program [ 29.747766] RSP: 002b:00007ffe5dea33a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 29.755463] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000440579 [ 29.762720] RDX: 00000000004a1e29 RSI: 00000000200000c0 RDI: 00000000004b79a5 [ 29.769976] RBP: 000000000000c003 R08: 00007ffe5dea33c0 R09: 0000000000000000 [ 29.777227] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 29.784478] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 29.793581] FAULT_INJECTION: forcing a failure. [ 29.793581] name failslab, interval 1, probability 0, space 0, times 0 [ 29.804825] CPU: 1 PID: 4504 Comm: syz-executor777 Not tainted 4.17.0-rc2+ #19 [ 29.812181] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.821537] Call Trace: [ 29.824124] dump_stack+0x1b9/0x294 [ 29.827741] ? dump_stack_print_info.cold.2+0x52/0x52 [ 29.833007] ? kernel_text_address+0x79/0xf0 [ 29.837429] ? __unwind_start+0x166/0x330 [ 29.841588] ? __kernel_text_address+0xd/0x40 [ 29.846080] should_fail.cold.4+0xa/0x1a [ 29.850136] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 29.855233] ? save_stack+0x43/0xd0 [ 29.858846] ? kasan_kmalloc+0xc4/0xe0 [ 29.862728] ? kasan_slab_alloc+0x12/0x20 [ 29.866868] ? kmem_cache_alloc+0x12e/0x760 [ 29.871194] ? alloc_vfsmnt+0xe0/0x9d0 [ 29.875076] ? vfs_kern_mount.part.34+0x88/0x4d0 [ 29.879829] ? find_held_lock+0x36/0x1c0 [ 29.883896] ? check_same_owner+0x320/0x320 [ 29.888202] ? rcu_note_context_switch+0x710/0x710 [ 29.893117] __should_failslab+0x124/0x180 [ 29.897345] should_failslab+0x9/0x14 [ 29.901137] __kmalloc_track_caller+0x2c4/0x760 [ 29.905798] ? kasan_check_read+0x11/0x20 [ 29.909937] ? do_raw_spin_unlock+0x9e/0x2e0 [ 29.914334] ? kstrdup_const+0x66/0x80 [ 29.918207] kstrdup+0x39/0x70 [ 29.921393] kstrdup_const+0x66/0x80 [ 29.925175] alloc_vfsmnt+0x1b3/0x9d0 [ 29.928959] ? mnt_free_id.isra.27+0x60/0x60 [ 29.933352] ? kasan_check_read+0x11/0x20 [ 29.937491] ? graph_lock+0x170/0x170 [ 29.941276] ? rcu_pm_notify+0xc0/0xc0 [ 29.945145] ? trace_hardirqs_off+0xd/0x10 [ 29.949364] ? putname+0xf2/0x130 [ 29.952800] ? putname+0xf2/0x130 [ 29.956237] ? find_held_lock+0x36/0x1c0 [ 29.960295] ? lock_downgrade+0x8e0/0x8e0 [ 29.964430] ? module_unload_free+0x5b0/0x5b0 [ 29.968915] ? lock_release+0xa10/0xa10 [ 29.972873] ? mpi_free.cold.1+0x19/0x19 [ 29.976918] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 29.982449] vfs_kern_mount.part.34+0x88/0x4d0 [ 29.987036] ? may_umount+0xb0/0xb0 [ 29.990662] ? _raw_read_unlock+0x22/0x30 [ 29.994799] ? __get_fs_type+0x97/0xc0 [ 29.998675] do_mount+0x564/0x3070 [ 30.002207] ? copy_mount_string+0x40/0x40 [ 30.006426] ? rcu_pm_notify+0xc0/0xc0 [ 30.010317] ? copy_mount_options+0x5f/0x380 [ 30.014727] ? rcu_read_lock_sched_held+0x108/0x120 [ 30.019734] ? kmem_cache_alloc_trace+0x616/0x780 [ 30.024582] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 30.030105] ? _copy_from_user+0xdf/0x150 [ 30.034241] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 30.039764] ? copy_mount_options+0x285/0x380 [ 30.044250] ksys_mount+0x12d/0x140 [ 30.047859] __x64_sys_mount+0xbe/0x150 [ 30.051819] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 30.056822] do_syscall_64+0x1b1/0x800 [ 30.060698] ? syscall_return_slowpath+0x5c0/0x5c0 [ 30.065617] ? syscall_return_slowpath+0x30f/0x5c0 [ 30.070541] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 30.075891] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.080722] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 30.085902] RIP: 0033:0x440579 [ 30.089071] RSP: 002b:00007ffe5dea33a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 30.096768] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 0000000000440579 executing program [ 30.104194] RDX: 00000000004a1e29 RSI: 00000000200000c0 RDI: 00000000004b79a5 [ 30.111446] RBP: 000000000000c003 R08: 00007ffe5dea33c0 R09: 0000000000000000 [ 30.118702] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 30.125956] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 30.135016] FAULT_INJECTION: forcing a failure. [ 30.135016] name failslab, interval 1, probability 0, space 0, times 0 [ 30.146338] CPU: 1 PID: 4504 Comm: syz-executor777 Not tainted 4.17.0-rc2+ #19 [ 30.153690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.163033] Call Trace: [ 30.165625] dump_stack+0x1b9/0x294 [ 30.169241] ? dump_stack_print_info.cold.2+0x52/0x52 [ 30.174423] should_fail.cold.4+0xa/0x1a [ 30.178473] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 30.183565] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 30.188740] ? is_bpf_text_address+0xd7/0x170 [ 30.193218] ? find_held_lock+0x36/0x1c0 [ 30.197276] ? check_same_owner+0x320/0x320 [ 30.201585] ? kasan_slab_free+0xe/0x10 [ 30.205540] ? kmem_cache_free+0x86/0x2d0 [ 30.209677] ? putname+0xf2/0x130 [ 30.213121] ? rcu_note_context_switch+0x710/0x710 [ 30.218040] ? ksys_mount+0x12d/0x140 [ 30.221833] ? __x64_sys_mount+0xbe/0x150 [ 30.225967] ? do_syscall_64+0x1b1/0x800 [ 30.230019] __should_failslab+0x124/0x180 [ 30.234249] should_failslab+0x9/0x14 [ 30.238045] kmem_cache_alloc+0x2af/0x760 [ 30.242192] ? kasan_check_write+0x14/0x20 [ 30.246422] ? do_raw_spin_lock+0xc1/0x200 [ 30.250646] alloc_vfsmnt+0xe0/0x9d0 [ 30.254344] ? mnt_free_id.isra.27+0x60/0x60 [ 30.258735] ? kasan_check_read+0x11/0x20 [ 30.262870] ? graph_lock+0x170/0x170 [ 30.266651] ? rcu_pm_notify+0xc0/0xc0 [ 30.270516] ? trace_hardirqs_off+0xd/0x10 [ 30.274731] ? putname+0xf2/0x130 [ 30.278175] ? putname+0xf2/0x130 [ 30.281610] ? find_held_lock+0x36/0x1c0 [ 30.285664] ? lock_downgrade+0x8e0/0x8e0 [ 30.289794] ? module_unload_free+0x5b0/0x5b0 [ 30.294273] ? lock_release+0xa10/0xa10 [ 30.298230] ? mpi_free.cold.1+0x19/0x19 [ 30.302273] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 30.307795] vfs_kern_mount.part.34+0x88/0x4d0 [ 30.312359] ? may_umount+0xb0/0xb0 [ 30.315974] ? _raw_read_unlock+0x22/0x30 [ 30.320102] ? __get_fs_type+0x97/0xc0 [ 30.323980] do_mount+0x564/0x3070 [ 30.327856] ? do_raw_spin_unlock+0x9e/0x2e0 [ 30.332247] ? copy_mount_string+0x40/0x40 [ 30.336461] ? rcu_pm_notify+0xc0/0xc0 [ 30.340341] ? copy_mount_options+0x5f/0x380 [ 30.344737] ? rcu_read_lock_sched_held+0x108/0x120 [ 30.349738] ? kmem_cache_alloc_trace+0x616/0x780 [ 30.354579] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 30.360103] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 30.365629] ? copy_mount_options+0x285/0x380 [ 30.370118] ksys_mount+0x12d/0x140 [ 30.373735] __x64_sys_mount+0xbe/0x150 [ 30.377689] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 30.382690] do_syscall_64+0x1b1/0x800 [ 30.386560] ? syscall_return_slowpath+0x5c0/0x5c0 [ 30.391477] ? syscall_return_slowpath+0x30f/0x5c0 [ 30.396395] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 30.401747] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.406570] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 30.411740] RIP: 0033:0x440579 [ 30.414911] RSP: 002b:00007ffe5dea33a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 30.422599] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 0000000000440579 [ 30.429855] RDX: 00000000004a1e29 RSI: 00000000200000c0 RDI: 00000000004b79a5 [ 30.437105] RBP: 000000000000c003 R08: 00007ffe5dea33c0 R09: 0000000000000000 [ 30.444360] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 executing program [ 30.451618] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 30.460881] FAULT_INJECTION: forcing a failure. [ 30.460881] name failslab, interval 1, probability 0, space 0, times 0 [ 30.472253] CPU: 1 PID: 4504 Comm: syz-executor777 Not tainted 4.17.0-rc2+ #19 [ 30.479618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.489047] Call Trace: [ 30.491626] dump_stack+0x1b9/0x294 [ 30.495236] ? dump_stack_print_info.cold.2+0x52/0x52 [ 30.500419] ? find_held_lock+0x36/0x1c0 [ 30.504468] should_fail.cold.4+0xa/0x1a [ 30.508513] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 30.513603] ? kasan_check_read+0x11/0x20 [ 30.517739] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 30.522916] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 30.528099] ? find_held_lock+0x36/0x1c0 [ 30.532156] ? check_same_owner+0x320/0x320 [ 30.536466] ? rcu_note_context_switch+0x710/0x710 [ 30.541391] ? save_stack+0xa9/0xd0 [ 30.545001] __should_failslab+0x124/0x180 [ 30.549229] should_failslab+0x9/0x14 [ 30.553013] kmem_cache_alloc+0x2af/0x760 [ 30.557149] ? find_held_lock+0x36/0x1c0 [ 30.561203] getname_flags+0xd0/0x5a0 [ 30.564993] user_path_at_empty+0x2d/0x50 [ 30.569127] do_mount+0x172/0x3070 [ 30.572647] ? do_raw_spin_unlock+0x9e/0x2e0 [ 30.577041] ? copy_mount_string+0x40/0x40 [ 30.581261] ? rcu_pm_notify+0xc0/0xc0 [ 30.585137] ? copy_mount_options+0x5f/0x380 [ 30.589540] ? rcu_read_lock_sched_held+0x108/0x120 [ 30.594546] ? kmem_cache_alloc_trace+0x616/0x780 [ 30.599388] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 30.604930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 30.610469] ? copy_mount_options+0x285/0x380 [ 30.615003] ksys_mount+0x12d/0x140 [ 30.618633] __x64_sys_mount+0xbe/0x150 [ 30.622689] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 30.627700] do_syscall_64+0x1b1/0x800 [ 30.631579] ? syscall_return_slowpath+0x5c0/0x5c0 [ 30.636499] ? syscall_return_slowpath+0x30f/0x5c0 [ 30.641420] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 30.646778] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.651617] entry_SYSCALL_64_after_hwframe+0x49/0xbe executing program [ 30.656803] RIP: 0033:0x440579 [ 30.659990] RSP: 002b:00007ffe5dea33a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 30.667699] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 0000000000440579 [ 30.674950] RDX: 00000000004a1e29 RSI: 00000000200000c0 RDI: 00000000004b79a5 [ 30.682201] RBP: 000000000000c003 R08: 00007ffe5dea33c0 R09: 0000000000000000 [ 30.689456] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 30.696728] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 30.706262] FAULT_INJECTION: forcing a failure. [ 30.706262] name failslab, interval 1, probability 0, space 0, times 0 [ 30.717521] CPU: 1 PID: 4504 Comm: syz-executor777 Not tainted 4.17.0-rc2+ #19 [ 30.724873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.734207] Call Trace: [ 30.736783] dump_stack+0x1b9/0x294 [ 30.740391] ? dump_stack_print_info.cold.2+0x52/0x52 [ 30.745564] ? find_held_lock+0x36/0x1c0 [ 30.749619] should_fail.cold.4+0xa/0x1a [ 30.753660] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 30.758749] ? kasan_check_read+0x11/0x20 [ 30.762883] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 30.768051] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 30.773224] ? find_held_lock+0x36/0x1c0 [ 30.777276] ? check_same_owner+0x320/0x320 [ 30.781576] ? rcu_note_context_switch+0x710/0x710 [ 30.786485] ? save_stack+0xa9/0xd0 [ 30.790092] __should_failslab+0x124/0x180 [ 30.794306] should_failslab+0x9/0x14 [ 30.798112] kmem_cache_alloc+0x2af/0x760 [ 30.802239] ? find_held_lock+0x36/0x1c0 [ 30.806284] getname_flags+0xd0/0x5a0 [ 30.810065] user_path_at_empty+0x2d/0x50 [ 30.814196] do_mount+0x172/0x3070 [ 30.817718] ? do_raw_spin_unlock+0x9e/0x2e0 [ 30.822115] ? copy_mount_string+0x40/0x40 [ 30.826331] ? rcu_pm_notify+0xc0/0xc0 [ 30.830210] ? copy_mount_options+0x5f/0x380 [ 30.834608] ? rcu_read_lock_sched_held+0x108/0x120 [ 30.839604] ? kmem_cache_alloc_trace+0x616/0x780 [ 30.844429] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 30.849951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 30.856165] ? copy_mount_options+0x285/0x380 [ 30.860647] ksys_mount+0x12d/0x140 [ 30.864256] __x64_sys_mount+0xbe/0x150 [ 30.868209] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 30.873218] do_syscall_64+0x1b1/0x800 [ 30.877100] ? syscall_return_slowpath+0x5c0/0x5c0 [ 30.882016] ? syscall_return_slowpath+0x30f/0x5c0 [ 30.886936] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 30.892286] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.897113] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 30.902285] RIP: 0033:0x440579 executing program [ 30.905453] RSP: 002b:00007ffe5dea33a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 30.913143] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 0000000000440579 [ 30.920392] RDX: 00000000004a1e29 RSI: 00000000200000c0 RDI: 00000000004b79a5 [ 30.927638] RBP: 000000000000c003 R08: 00007ffe5dea33c0 R09: 0000000000000000 [ 30.934889] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 30.942139] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 30.951952] FAULT_INJECTION: forcing a failure. [ 30.951952] name failslab, interval 1, probability 0, space 0, times 0 [ 30.963226] CPU: 1 PID: 4504 Comm: syz-executor777 Not tainted 4.17.0-rc2+ #19 [ 30.970584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.979916] Call Trace: [ 30.982497] dump_stack+0x1b9/0x294 [ 30.986118] ? dump_stack_print_info.cold.2+0x52/0x52 [ 30.991290] ? find_held_lock+0x36/0x1c0 [ 30.995335] should_fail.cold.4+0xa/0x1a [ 30.999380] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 31.004465] ? kasan_check_read+0x11/0x20 [ 31.008597] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 31.013776] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 31.018947] ? find_held_lock+0x36/0x1c0 [ 31.023007] ? check_same_owner+0x320/0x320 [ 31.027329] ? rcu_note_context_switch+0x710/0x710 [ 31.032254] ? save_stack+0xa9/0xd0 [ 31.035867] __should_failslab+0x124/0x180 [ 31.040090] should_failslab+0x9/0x14 [ 31.043871] kmem_cache_alloc+0x2af/0x760 [ 31.048005] ? find_held_lock+0x36/0x1c0 [ 31.052064] getname_flags+0xd0/0x5a0 [ 31.055847] user_path_at_empty+0x2d/0x50 [ 31.059996] do_mount+0x172/0x3070 [ 31.063530] ? do_raw_spin_unlock+0x9e/0x2e0 [ 31.067926] ? copy_mount_string+0x40/0x40 [ 31.072149] ? rcu_pm_notify+0xc0/0xc0 [ 31.076034] ? copy_mount_options+0x5f/0x380 [ 31.080428] ? rcu_read_lock_sched_held+0x108/0x120 [ 31.085431] ? kmem_cache_alloc_trace+0x616/0x780 [ 31.090256] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 31.095774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 31.101288] ? copy_mount_options+0x285/0x380 [ 31.105765] ksys_mount+0x12d/0x140 [ 31.109374] __x64_sys_mount+0xbe/0x150 [ 31.113414] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 31.118413] do_syscall_64+0x1b1/0x800 [ 31.122282] ? syscall_return_slowpath+0x5c0/0x5c0 [ 31.127194] ? syscall_return_slowpath+0x30f/0x5c0 [ 31.132113] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 31.137472] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 31.142306] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 31.147476] RIP: 0033:0x440579 [ 31.150644] RSP: 002b:00007ffe5dea33a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 executing program [ 31.158332] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 0000000000440579 [ 31.165672] RDX: 00000000004a1e29 RSI: 00000000200000c0 RDI: 00000000004b79a5 [ 31.172922] RBP: 000000000000c003 R08: 00007ffe5dea33c0 R09: 0000000000000000 [ 31.180173] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 31.187423] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 31.196885] FAULT_INJECTION: forcing a failure. [ 31.196885] name failslab, interval 1, probability 0, space 0, times 0 [ 31.208239] CPU: 1 PID: 4504 Comm: syz-executor777 Not tainted 4.17.0-rc2+ #19 [ 31.215584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.224919] Call Trace: [ 31.227496] dump_stack+0x1b9/0x294 [ 31.231109] ? dump_stack_print_info.cold.2+0x52/0x52 [ 31.236285] ? find_held_lock+0x36/0x1c0 [ 31.240333] should_fail.cold.4+0xa/0x1a [ 31.244380] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 31.249494] ? kasan_check_read+0x11/0x20 [ 31.253629] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 31.258810] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 31.263992] ? find_held_lock+0x36/0x1c0 [ 31.268061] ? check_same_owner+0x320/0x320 [ 31.272366] ? rcu_note_context_switch+0x710/0x710 [ 31.277285] ? save_stack+0xa9/0xd0 [ 31.280915] __should_failslab+0x124/0x180 [ 31.285166] should_failslab+0x9/0x14 [ 31.288956] kmem_cache_alloc+0x2af/0x760 [ 31.293086] ? find_held_lock+0x36/0x1c0 [ 31.297135] getname_flags+0xd0/0x5a0 [ 31.300940] user_path_at_empty+0x2d/0x50 [ 31.305076] do_mount+0x172/0x3070 [ 31.308603] ? do_raw_spin_unlock+0x9e/0x2e0 [ 31.312993] ? copy_mount_string+0x40/0x40 [ 31.317215] ? rcu_pm_notify+0xc0/0xc0 [ 31.321087] ? copy_mount_options+0x5f/0x380 [ 31.325482] ? rcu_read_lock_sched_held+0x108/0x120 [ 31.330487] ? kmem_cache_alloc_trace+0x616/0x780 [ 31.335329] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 31.340864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 31.346388] ? copy_mount_options+0x285/0x380 [ 31.350867] ksys_mount+0x12d/0x140 [ 31.354488] __x64_sys_mount+0xbe/0x150 [ 31.358444] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 31.363448] do_syscall_64+0x1b1/0x800 [ 31.367318] ? syscall_return_slowpath+0x5c0/0x5c0 [ 31.372230] ? syscall_return_slowpath+0x30f/0x5c0 [ 31.377150] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 31.382498] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 31.387338] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 31.392510] RIP: 0033:0x440579 [ 31.395682] RSP: 002b:00007ffe5dea33a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 executing program [ 31.403370] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 0000000000440579 [ 31.410616] RDX: 00000000004a1e29 RSI: 00000000200000c0 RDI: 00000000004b79a5 [ 31.417871] RBP: 000000000000c003 R08: 00007ffe5dea33c0 R09: 0000000000000000 [ 31.425120] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 31.432372] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 31.441509] FAULT_INJECTION: forcing a failure. [ 31.441509] name failslab, interval 1, probability 0, space 0, times 0 [ 31.452776] CPU: 1 PID: 4504 Comm: syz-executor777 Not tainted 4.17.0-rc2+ #19 [ 31.460120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.469458] Call Trace: [ 31.472045] dump_stack+0x1b9/0x294 [ 31.475660] ? dump_stack_print_info.cold.2+0x52/0x52 [ 31.480841] ? find_held_lock+0x36/0x1c0 [ 31.484892] should_fail.cold.4+0xa/0x1a [ 31.488934] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 31.494038] ? kasan_check_read+0x11/0x20 [ 31.498180] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 31.503352] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 31.508522] ? find_held_lock+0x36/0x1c0 [ 31.512576] ? check_same_owner+0x320/0x320 [ 31.516886] ? rcu_note_context_switch+0x710/0x710 [ 31.521800] ? save_stack+0xa9/0xd0 [ 31.525409] __should_failslab+0x124/0x180 [ 31.529630] should_failslab+0x9/0x14 [ 31.533412] kmem_cache_alloc+0x2af/0x760 [ 31.537547] ? find_held_lock+0x36/0x1c0 [ 31.541592] getname_flags+0xd0/0x5a0 [ 31.545384] user_path_at_empty+0x2d/0x50 [ 31.549523] do_mount+0x172/0x3070 [ 31.553048] ? do_raw_spin_unlock+0x9e/0x2e0 [ 31.557447] ? copy_mount_string+0x40/0x40 [ 31.561671] ? rcu_pm_notify+0xc0/0xc0 [ 31.565546] ? copy_mount_options+0x5f/0x380 [ 31.569933] ? rcu_read_lock_sched_held+0x108/0x120 [ 31.574942] ? kmem_cache_alloc_trace+0x616/0x780 [ 31.579769] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 31.585306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 31.590834] ? copy_mount_options+0x285/0x380 [ 31.595400] ksys_mount+0x12d/0x140 [ 31.599013] __x64_sys_mount+0xbe/0x150 [ 31.602976] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 31.607976] do_syscall_64+0x1b1/0x800 [ 31.611850] ? syscall_return_slowpath+0x5c0/0x5c0 [ 31.616757] ? syscall_return_slowpath+0x30f/0x5c0 [ 31.621669] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 31.627026] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 31.631853] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 31.637037] RIP: 0033:0x440579 [ 31.640210] RSP: 002b:00007ffe5dea33a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 31.647901] RAX: ffffffffffffffda RBX: 0000000000000013 RCX: 0000000000440579 executing program [ 31.655156] RDX: 00000000004a1e29 RSI: 00000000200000c0 RDI: 00000000004b79a5 [ 31.662408] RBP: 000000000000c003 R08: 00007ffe5dea33c0 R09: 0000000000000000 [ 31.669666] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 31.676919] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 31.686208] FAULT_INJECTION: forcing a failure. [ 31.686208] name failslab, interval 1, probability 0, space 0, times 0 [ 31.697483] CPU: 1 PID: 4504 Comm: syz-executor777 Not tainted 4.17.0-rc2+ #19 [ 31.704842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.714180] Call Trace: [ 31.716756] dump_stack+0x1b9/0x294 [ 31.720367] ? dump_stack_print_info.cold.2+0x52/0x52 [ 31.725544] ? kasan_check_write+0x14/0x20 [ 31.729766] ? finish_task_switch+0x28b/0x810 [ 31.734248] should_fail.cold.4+0xa/0x1a [ 31.738295] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 31.743388] ? __schedule+0x809/0x1e30 [ 31.747262] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 31.752449] ? __sched_text_start+0x8/0x8 [ 31.756581] ? find_held_lock+0x36/0x1c0 [ 31.760637] ? check_same_owner+0x320/0x320 [ 31.764947] ? save_stack+0xa9/0xd0 [ 31.768560] __should_failslab+0x124/0x180 [ 31.772782] should_failslab+0x9/0x14 [ 31.776568] kmem_cache_alloc+0x2af/0x760 [ 31.780700] ? find_held_lock+0x36/0x1c0 [ 31.784755] getname_flags+0xd0/0x5a0 [ 31.788544] user_path_at_empty+0x2d/0x50 [ 31.792694] do_mount+0x172/0x3070 [ 31.796223] ? do_raw_spin_unlock+0x9e/0x2e0 [ 31.800617] ? retint_kernel+0x10/0x10 [ 31.804491] ? copy_mount_string+0x40/0x40 [ 31.808721] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 31.813463] ? retint_kernel+0x10/0x10 [ 31.817355] ? copy_mount_options+0x213/0x380 [ 31.821853] ? write_comp_data+0x11/0x70 [ 31.825904] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 31.831432] ? copy_mount_options+0x285/0x380 [ 31.835923] ksys_mount+0x12d/0x140 [ 31.839534] __x64_sys_mount+0xbe/0x150 [ 31.843490] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 31.848503] do_syscall_64+0x1b1/0x800 [ 31.852403] ? syscall_return_slowpath+0x5c0/0x5c0 [ 31.857323] ? syscall_return_slowpath+0x30f/0x5c0 [ 31.862238] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 31.867587] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 31.872417] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 31.877587] RIP: 0033:0x440579 [ 31.880763] RSP: 002b:00007ffe5dea33a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 31.888457] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000440579 [ 31.895712] RDX: 00000000004a1e29 RSI: 00000000200000c0 RDI: 00000000004b79a5 [ 31.902972] RBP: 000000000000c003 R08: 00007ffe5dea33c0 R09: 0000000000000000 executing program [ 31.910223] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 31.917474] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 31.927333] FAULT_INJECTION: forcing a failure. [ 31.927333] name failslab, interval 1, probability 0, space 0, times 0 [ 31.939752] CPU: 1 PID: 4504 Comm: syz-executor777 Not tainted 4.17.0-rc2+ #19 [ 31.947099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.956458] Call Trace: [ 31.959045] dump_stack+0x1b9/0x294 [ 31.962685] ? dump_stack_print_info.cold.2+0x52/0x52 [ 31.967859] ? __kernel_text_address+0xd/0x40 [ 31.972341] ? mutex_trylock+0x2a0/0x2a0 [ 31.976387] should_fail.cold.4+0xa/0x1a [ 31.980439] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 31.985701] ? graph_lock+0x170/0x170 [ 31.989485] ? lock_downgrade+0x8e0/0x8e0 [ 31.993632] ? sget+0x10b/0x150 [ 31.996896] ? find_held_lock+0x36/0x1c0 [ 32.000943] ? __lock_is_held+0xb5/0x140 [ 32.005005] ? check_same_owner+0x320/0x320 [ 32.009319] ? __might_sleep+0x95/0x190 [ 32.013279] ? rcu_note_context_switch+0x710/0x710 [ 32.018198] __should_failslab+0x124/0x180 [ 32.022420] should_failslab+0x9/0x14 [ 32.026320] __kmalloc+0x2c8/0x760 [ 32.029845] ? __kmalloc_node+0x47/0x70 [ 32.033804] ? __list_lru_init+0xdd/0x790 [ 32.037939] __list_lru_init+0xdd/0x790 [ 32.041904] ? list_lru_destroy+0x4c0/0x4c0 [ 32.046216] ? mark_held_locks+0xc9/0x160 [ 32.050353] ? __raw_spin_lock_init+0x1c/0x100 [ 32.054924] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 32.059930] ? lockdep_init_map+0x9/0x10 [ 32.063988] sget_userns+0x767/0xf00 [ 32.067686] ? get_anon_bdev+0x2f0/0x2f0 [ 32.071735] ? destroy_unused_super.part.11+0x110/0x110 [ 32.077085] ? __alloc_pages_nodemask+0xacf/0xd70 [ 32.082085] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 32.087100] ? kasan_check_read+0x11/0x20 [ 32.091243] ? cap_capable+0x1f9/0x260 [ 32.095131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 32.100660] ? security_capable+0x99/0xc0 [ 32.104801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 32.110333] ? ns_capable_common+0x13f/0x170 [ 32.114725] ? get_anon_bdev+0x2f0/0x2f0 [ 32.118772] sget+0x10b/0x150 [ 32.121865] ? fuse_get_root_inode+0x190/0x190 [ 32.126433] mount_nodev+0x33/0x110 [ 32.130045] fuse_mount+0x2c/0x40 [ 32.133484] mount_fs+0xae/0x328 [ 32.136844] vfs_kern_mount.part.34+0xd4/0x4d0 [ 32.141418] ? may_umount+0xb0/0xb0 [ 32.145038] ? _raw_read_unlock+0x22/0x30 [ 32.149167] ? __get_fs_type+0x97/0xc0 [ 32.153094] do_mount+0x564/0x3070 [ 32.156641] ? copy_mount_string+0x40/0x40 [ 32.160863] ? rcu_pm_notify+0xc0/0xc0 [ 32.164755] ? copy_mount_options+0x5f/0x380 [ 32.169180] ? rcu_read_lock_sched_held+0x108/0x120 [ 32.174194] ? kmem_cache_alloc_trace+0x616/0x780 [ 32.179035] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 32.184565] ? _copy_from_user+0xdf/0x150 [ 32.188698] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 32.194225] ? copy_mount_options+0x285/0x380 [ 32.198707] ksys_mount+0x12d/0x140 [ 32.202325] __x64_sys_mount+0xbe/0x150 [ 32.206283] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 32.211306] do_syscall_64+0x1b1/0x800 [ 32.215178] ? syscall_return_slowpath+0x5c0/0x5c0 [ 32.220108] ? syscall_return_slowpath+0x30f/0x5c0 [ 32.225108] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 32.230454] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 32.235287] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 32.240473] RIP: 0033:0x440579 [ 32.243643] RSP: 002b:00007ffe5dea33a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 32.251342] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 0000000000440579 executing program [ 32.258593] RDX: 00000000004a1e29 RSI: 00000000200000c0 RDI: 00000000004b79a5 [ 32.265852] RBP: 000000000000c003 R08: 00007ffe5dea33c0 R09: 0000000000000000 [ 32.273111] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 32.280362] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 32.289754] FAULT_INJECTION: forcing a failure. [ 32.289754] name failslab, interval 1, probability 0, space 0, times 0 [ 32.301018] CPU: 1 PID: 4504 Comm: syz-executor777 Not tainted 4.17.0-rc2+ #19 [ 32.308371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.317709] Call Trace: [ 32.320288] dump_stack+0x1b9/0x294 [ 32.323914] ? dump_stack_print_info.cold.2+0x52/0x52 [ 32.329093] ? __kernel_text_address+0xd/0x40 [ 32.333584] ? mutex_trylock+0x2a0/0x2a0 [ 32.337635] should_fail.cold.4+0xa/0x1a [ 32.341679] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 32.346766] ? graph_lock+0x170/0x170 [ 32.350553] ? lock_downgrade+0x8e0/0x8e0 [ 32.354681] ? sget+0x10b/0x150 [ 32.357943] ? find_held_lock+0x36/0x1c0 [ 32.361986] ? __lock_is_held+0xb5/0x140 [ 32.366051] ? check_same_owner+0x320/0x320 [ 32.370360] ? __might_sleep+0x95/0x190 [ 32.374320] ? rcu_note_context_switch+0x710/0x710 [ 32.379232] __should_failslab+0x124/0x180 [ 32.383450] should_failslab+0x9/0x14 [ 32.387230] __kmalloc+0x2c8/0x760 [ 32.390753] ? __kmalloc_node+0x47/0x70 [ 32.394708] ? __list_lru_init+0xdd/0x790 [ 32.398837] __list_lru_init+0xdd/0x790 [ 32.402792] ? list_lru_destroy+0x4c0/0x4c0 [ 32.407096] ? mark_held_locks+0xc9/0x160 [ 32.411241] ? __raw_spin_lock_init+0x1c/0x100 [ 32.415817] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 32.420823] ? lockdep_init_map+0x9/0x10 [ 32.424867] sget_userns+0x767/0xf00 [ 32.428559] ? get_anon_bdev+0x2f0/0x2f0 [ 32.432611] ? destroy_unused_super.part.11+0x110/0x110 [ 32.437967] ? __alloc_pages_nodemask+0xacf/0xd70 [ 32.442793] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 32.447794] ? kasan_check_read+0x11/0x20 [ 32.451924] ? cap_capable+0x1f9/0x260 [ 32.455797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 32.461331] ? security_capable+0x99/0xc0 [ 32.465488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 32.471007] ? ns_capable_common+0x13f/0x170 [ 32.475484] ? get_anon_bdev+0x2f0/0x2f0 [ 32.479545] sget+0x10b/0x150 [ 32.482637] ? fuse_get_root_inode+0x190/0x190 [ 32.487200] mount_nodev+0x33/0x110 [ 32.490810] fuse_mount+0x2c/0x40 [ 32.494244] mount_fs+0xae/0x328 [ 32.497607] vfs_kern_mount.part.34+0xd4/0x4d0 [ 32.502170] ? may_umount+0xb0/0xb0 [ 32.505781] ? _raw_read_unlock+0x22/0x30 [ 32.509909] ? __get_fs_type+0x97/0xc0 [ 32.513791] do_mount+0x564/0x3070 [ 32.517317] ? copy_mount_string+0x40/0x40 [ 32.521535] ? rcu_pm_notify+0xc0/0xc0 [ 32.525409] ? copy_mount_options+0x5f/0x380 [ 32.529800] ? rcu_read_lock_sched_held+0x108/0x120 [ 32.534800] ? kmem_cache_alloc_trace+0x616/0x780 [ 32.539631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 32.545157] ? copy_mount_options+0x285/0x380 [ 32.549636] ksys_mount+0x12d/0x140 [ 32.553247] __x64_sys_mount+0xbe/0x150 [ 32.557202] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 32.562209] do_syscall_64+0x1b1/0x800 [ 32.566078] ? syscall_return_slowpath+0x5c0/0x5c0 [ 32.570989] ? syscall_return_slowpath+0x30f/0x5c0 [ 32.575902] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 32.581249] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 32.586077] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 32.591254] RIP: 0033:0x440579 [ 32.594429] RSP: 002b:00007ffe5dea33a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 32.602116] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 0000000000440579 executing program [ 32.609365] RDX: 00000000004a1e29 RSI: 00000000200000c0 RDI: 00000000004b79a5 [ 32.616619] RBP: 000000000000c003 R08: 00007ffe5dea33c0 R09: 0000000000000000 [ 32.623869] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 32.631121] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 32.640253] FAULT_INJECTION: forcing a failure. [ 32.640253] name failslab, interval 1, probability 0, space 0, times 0 [ 32.651602] CPU: 1 PID: 4504 Comm: syz-executor777 Not tainted 4.17.0-rc2+ #19 [ 32.658948] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.668285] Call Trace: [ 32.670865] dump_stack+0x1b9/0x294 [ 32.674489] ? dump_stack_print_info.cold.2+0x52/0x52 [ 32.679663] ? kernel_text_address+0x79/0xf0 [ 32.684063] ? __unwind_start+0x166/0x330 [ 32.688216] should_fail.cold.4+0xa/0x1a [ 32.692261] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 32.697353] ? graph_lock+0x170/0x170 [ 32.701135] ? save_stack+0x43/0xd0 [ 32.704742] ? kasan_kmalloc+0xc4/0xe0 [ 32.708613] ? __kmalloc+0x14e/0x760 [ 32.712305] ? __list_lru_init+0xdd/0x790 [ 32.716435] ? find_held_lock+0x36/0x1c0 [ 32.720476] ? __lock_is_held+0xb5/0x140 [ 32.724536] ? check_same_owner+0x320/0x320 [ 32.728843] ? rcu_note_context_switch+0x710/0x710 [ 32.733754] __should_failslab+0x124/0x180 [ 32.737975] should_failslab+0x9/0x14 [ 32.741757] kmem_cache_alloc_node_trace+0x26f/0x770 [ 32.746840] ? mark_held_locks+0xc9/0x160 [ 32.750972] ? __raw_spin_lock_init+0x1c/0x100 [ 32.755535] __kmalloc_node+0x33/0x70 [ 32.759323] kvmalloc_node+0x6b/0x100 [ 32.763111] __list_lru_init+0x559/0x790 [ 32.767171] ? list_lru_destroy+0x4c0/0x4c0 [ 32.771477] ? mark_held_locks+0xc9/0x160 [ 32.775604] ? __raw_spin_lock_init+0x1c/0x100 [ 32.780172] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 32.785170] ? __lockdep_init_map+0x105/0x590 [ 32.789737] ? lockdep_init_map+0x9/0x10 [ 32.793781] sget_userns+0x73a/0xf00 [ 32.797474] ? get_anon_bdev+0x2f0/0x2f0 [ 32.801517] ? destroy_unused_super.part.11+0x110/0x110 [ 32.806863] ? __alloc_pages_nodemask+0xacf/0xd70 [ 32.811689] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 32.816689] ? kasan_check_read+0x11/0x20 [ 32.820822] ? cap_capable+0x1f9/0x260 [ 32.824696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 32.830221] ? security_capable+0x99/0xc0 [ 32.834353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 32.839897] ? ns_capable_common+0x13f/0x170 [ 32.844310] ? get_anon_bdev+0x2f0/0x2f0 [ 32.848352] sget+0x10b/0x150 [ 32.851458] ? fuse_get_root_inode+0x190/0x190 [ 32.856036] mount_nodev+0x33/0x110 [ 32.859654] fuse_mount+0x2c/0x40 [ 32.863093] mount_fs+0xae/0x328 [ 32.866440] vfs_kern_mount.part.34+0xd4/0x4d0 [ 32.871819] ? may_umount+0xb0/0xb0 [ 32.875432] ? _raw_read_unlock+0x22/0x30 [ 32.879560] ? __get_fs_type+0x97/0xc0 [ 32.883437] do_mount+0x564/0x3070 [ 32.886972] ? copy_mount_string+0x40/0x40 [ 32.891191] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.896025] ? retint_kernel+0x10/0x10 [ 32.899903] ? copy_mount_options+0x1e3/0x380 [ 32.904381] ? __sanitizer_cov_trace_const_cmp4+0x5/0x20 [ 32.909825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 32.915341] ? copy_mount_options+0x285/0x380 [ 32.919818] ksys_mount+0x12d/0x140 [ 32.923428] __x64_sys_mount+0xbe/0x150 [ 32.927384] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 32.932381] do_syscall_64+0x1b1/0x800 [ 32.936253] ? syscall_return_slowpath+0x5c0/0x5c0 [ 32.941166] ? syscall_return_slowpath+0x30f/0x5c0 [ 32.946075] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 32.951421] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 32.956250] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 32.961432] RIP: 0033:0x440579 executing program [ 32.964606] RSP: 002b:00007ffe5dea33a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 32.972294] RAX: ffffffffffffffda RBX: 000000000000001b RCX: 0000000000440579 [ 32.979543] RDX: 00000000004a1e29 RSI: 00000000200000c0 RDI: 00000000004b79a5 [ 32.986792] RBP: 000000000000c003 R08: 00007ffe5dea33c0 R09: 0000000000000000 [ 32.994041] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 33.001293] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 33.011192] FAULT_INJECTION: forcing a failure. [ 33.011192] name failslab, interval 1, probability 0, space 0, times 0 [ 33.022436] CPU: 1 PID: 4504 Comm: syz-executor777 Not tainted 4.17.0-rc2+ #19 [ 33.029782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.039113] Call Trace: [ 33.041683] dump_stack+0x1b9/0x294 [ 33.045294] ? dump_stack_print_info.cold.2+0x52/0x52 [ 33.050474] ? kernel_text_address+0x79/0xf0 [ 33.054864] ? __unwind_start+0x166/0x330 [ 33.058992] ? __kernel_text_address+0xd/0x40 [ 33.063477] should_fail.cold.4+0xa/0x1a [ 33.067520] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 33.072616] ? save_stack+0x43/0xd0 [ 33.076228] ? kasan_kmalloc+0xc4/0xe0 [ 33.080094] ? kasan_slab_alloc+0x12/0x20 [ 33.084227] ? kmem_cache_alloc+0x12e/0x760 [ 33.088531] ? alloc_vfsmnt+0xe0/0x9d0 [ 33.092409] ? vfs_kern_mount.part.34+0x88/0x4d0 [ 33.097149] ? find_held_lock+0x36/0x1c0 [ 33.101201] ? check_same_owner+0x320/0x320 [ 33.105507] ? rcu_note_context_switch+0x710/0x710 [ 33.110421] __should_failslab+0x124/0x180 [ 33.114639] should_failslab+0x9/0x14 [ 33.118418] __kmalloc_track_caller+0x2c4/0x760 [ 33.123077] ? kasan_check_read+0x11/0x20 [ 33.127228] ? do_raw_spin_unlock+0x9e/0x2e0 [ 33.131626] ? kstrdup_const+0x66/0x80 [ 33.135496] kstrdup+0x39/0x70 [ 33.138670] kstrdup_const+0x66/0x80 [ 33.142368] alloc_vfsmnt+0x1b3/0x9d0 [ 33.146155] ? mnt_free_id.isra.27+0x60/0x60 [ 33.150546] ? kasan_check_read+0x11/0x20 [ 33.154676] ? graph_lock+0x170/0x170 [ 33.158459] ? rcu_pm_notify+0xc0/0xc0 [ 33.162331] ? trace_hardirqs_off+0xd/0x10 [ 33.166571] ? putname+0xf2/0x130 [ 33.170015] ? putname+0xf2/0x130 [ 33.173464] ? find_held_lock+0x36/0x1c0 [ 33.177528] ? lock_downgrade+0x8e0/0x8e0 [ 33.181671] ? module_unload_free+0x5b0/0x5b0 [ 33.186162] ? lock_release+0xa10/0xa10 [ 33.190134] ? mpi_free.cold.1+0x19/0x19 [ 33.194185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 33.199709] vfs_kern_mount.part.34+0x88/0x4d0 [ 33.204282] ? may_umount+0xb0/0xb0 [ 33.207893] ? _raw_read_unlock+0x22/0x30 [ 33.212019] ? __get_fs_type+0x97/0xc0 [ 33.215895] do_mount+0x564/0x3070 [ 33.219425] ? copy_mount_string+0x40/0x40 [ 33.223645] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 33.228645] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 33.233386] ? retint_kernel+0x10/0x10 [ 33.237262] ? copy_mount_options+0x1e3/0x380 [ 33.241738] ? copy_mount_options+0x1f0/0x380 [ 33.246214] ? copy_mount_options+0x202/0x380 [ 33.250694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 33.256296] ? copy_mount_options+0x285/0x380 [ 33.260777] ksys_mount+0x12d/0x140 [ 33.264385] __x64_sys_mount+0xbe/0x150 [ 33.268338] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 33.273338] do_syscall_64+0x1b1/0x800 [ 33.277209] ? syscall_return_slowpath+0x5c0/0x5c0 [ 33.282120] ? syscall_return_slowpath+0x30f/0x5c0 [ 33.287046] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 33.292406] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.297247] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 33.302420] RIP: 0033:0x440579 [ 33.305602] RSP: 002b:00007ffe5dea33a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 executing program [ 33.313299] RAX: ffffffffffffffda RBX: 000000000000001d RCX: 0000000000440579 [ 33.320555] RDX: 00000000004a1e29 RSI: 00000000200000c0 RDI: 00000000004b79a5 [ 33.327809] RBP: 000000000000c003 R08: 00007ffe5dea33c0 R09: 0000000000000000 [ 33.335073] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 33.342334] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 33.351650] FAULT_INJECTION: forcing a failure. [ 33.351650] name failslab, interval 1, probability 0, space 0, times 0 [ 33.362909] CPU: 1 PID: 4504 Comm: syz-executor777 Not tainted 4.17.0-rc2+ #19 [ 33.370268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.379610] Call Trace: [ 33.382182] dump_stack+0x1b9/0x294 [ 33.385793] ? dump_stack_print_info.cold.2+0x52/0x52 [ 33.390965] ? find_held_lock+0x36/0x1c0 [ 33.395023] should_fail.cold.4+0xa/0x1a [ 33.399075] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 33.404165] ? kasan_check_read+0x11/0x20 [ 33.408297] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 33.413473] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 33.418660] ? find_held_lock+0x36/0x1c0 [ 33.422711] ? check_same_owner+0x320/0x320 [ 33.427020] ? rcu_note_context_switch+0x710/0x710 [ 33.431934] ? save_stack+0xa9/0xd0 [ 33.435541] __should_failslab+0x124/0x180 [ 33.439763] should_failslab+0x9/0x14 [ 33.443547] kmem_cache_alloc+0x2af/0x760 [ 33.447674] ? find_held_lock+0x36/0x1c0 [ 33.451723] getname_flags+0xd0/0x5a0 [ 33.455511] user_path_at_empty+0x2d/0x50 [ 33.459641] do_mount+0x172/0x3070 [ 33.463164] ? do_raw_spin_unlock+0x9e/0x2e0 [ 33.467555] ? copy_mount_string+0x40/0x40 [ 33.471771] ? rcu_pm_notify+0xc0/0xc0 [ 33.475643] ? copy_mount_options+0x5f/0x380 [ 33.480033] ? rcu_read_lock_sched_held+0x108/0x120 [ 33.485036] ? kmem_cache_alloc_trace+0x616/0x780 [ 33.489873] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 33.495394] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 33.500912] ? copy_mount_options+0x285/0x380 [ 33.505393] ksys_mount+0x12d/0x140 [ 33.509007] __x64_sys_mount+0xbe/0x150 [ 33.512964] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 33.517977] do_syscall_64+0x1b1/0x800 [ 33.521851] ? syscall_return_slowpath+0x5c0/0x5c0 [ 33.526768] ? syscall_return_slowpath+0x30f/0x5c0 [ 33.531685] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 33.537036] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.541868] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 33.547039] RIP: 0033:0x440579 [ 33.550206] RSP: 002b:00007ffe5dea33a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 33.557901] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 0000000000440579 executing program [ 33.565158] RDX: 00000000004a1e29 RSI: 00000000200000c0 RDI: 00000000004b79a5 [ 33.572409] RBP: 000000000000c003 R08: 00007ffe5dea33c0 R09: 0000000000000000 [ 33.579661] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 33.586910] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 33.595889] FAULT_INJECTION: forcing a failure. [ 33.595889] name failslab, interval 1, probability 0, space 0, times 0 [ 33.607215] CPU: 1 PID: 4504 Comm: syz-executor777 Not tainted 4.17.0-rc2+ #19 [ 33.614576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.623912] Call Trace: [ 33.626490] dump_stack+0x1b9/0x294 [ 33.630105] ? dump_stack_print_info.cold.2+0x52/0x52 [ 33.635281] ? find_held_lock+0x36/0x1c0 [ 33.639325] should_fail.cold.4+0xa/0x1a [ 33.643375] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 33.648461] ? kasan_check_read+0x11/0x20 [ 33.652592] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 33.657764] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 33.662950] ? find_held_lock+0x36/0x1c0 [ 33.667004] ? check_same_owner+0x320/0x320 [ 33.671306] ? rcu_note_context_switch+0x710/0x710 [ 33.676222] ? save_stack+0xa9/0xd0 [ 33.679836] __should_failslab+0x124/0x180 [ 33.684054] should_failslab+0x9/0x14 [ 33.687837] kmem_cache_alloc+0x2af/0x760 [ 33.691964] ? find_held_lock+0x36/0x1c0 [ 33.696095] getname_flags+0xd0/0x5a0 [ 33.699882] user_path_at_empty+0x2d/0x50 [ 33.704011] do_mount+0x172/0x3070 [ 33.707537] ? do_raw_spin_unlock+0x9e/0x2e0 [ 33.711929] ? copy_mount_string+0x40/0x40 [ 33.716152] ? rcu_pm_notify+0xc0/0xc0 [ 33.720024] ? copy_mount_options+0x5f/0x380 [ 33.724411] ? rcu_read_lock_sched_held+0x108/0x120 [ 33.729409] ? kmem_cache_alloc_trace+0x616/0x780 [ 33.734238] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 33.739771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 33.745296] ? copy_mount_options+0x285/0x380 [ 33.749865] ksys_mount+0x12d/0x140 [ 33.753476] __x64_sys_mount+0xbe/0x150 [ 33.757439] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 33.762451] do_syscall_64+0x1b1/0x800 [ 33.766322] ? syscall_return_slowpath+0x5c0/0x5c0 [ 33.771234] ? syscall_return_slowpath+0x30f/0x5c0 [ 33.776155] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 33.781503] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.786333] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 33.791503] RIP: 0033:0x440579 [ 33.794765] RSP: 002b:00007ffe5dea33a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 33.802473] RAX: ffffffffffffffda RBX: 0000000000000021 RCX: 0000000000440579 [ 33.809729] RDX: 00000000004a1e29 RSI: 00000000200000c0 RDI: 00000000004b79a5 executing program [ 33.816987] RBP: 000000000000c003 R08: 00007ffe5dea33c0 R09: 0000000000000000 [ 33.824264] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 33.831527] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 33.841837] FAULT_INJECTION: forcing a failure. [ 33.841837] name failslab, interval 1, probability 0, space 0, times 0 [ 33.853181] CPU: 0 PID: 4504 Comm: syz-executor777 Not tainted 4.17.0-rc2+ #19 [ 33.860542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.869900] Call Trace: [ 33.872474] dump_stack+0x1b9/0x294 [ 33.876087] ? dump_stack_print_info.cold.2+0x52/0x52 [ 33.881265] ? find_held_lock+0x36/0x1c0 [ 33.885321] should_fail.cold.4+0xa/0x1a [ 33.889372] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 33.894460] ? kasan_check_read+0x11/0x20 [ 33.898592] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 33.903792] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 33.908967] ? find_held_lock+0x36/0x1c0 [ 33.913034] ? check_same_owner+0x320/0x320 [ 33.917367] ? rcu_note_context_switch+0x710/0x710 [ 33.922367] ? save_stack+0xa9/0xd0 [ 33.925975] __should_failslab+0x124/0x180 [ 33.930206] should_failslab+0x9/0x14 [ 33.933988] kmem_cache_alloc+0x2af/0x760 [ 33.938122] ? find_held_lock+0x36/0x1c0 [ 33.942167] getname_flags+0xd0/0x5a0 [ 33.945948] user_path_at_empty+0x2d/0x50 [ 33.950079] do_mount+0x172/0x3070 [ 33.953605] ? do_raw_spin_unlock+0x9e/0x2e0 [ 33.957996] ? copy_mount_string+0x40/0x40 [ 33.962219] ? rcu_pm_notify+0xc0/0xc0 [ 33.966089] ? copy_mount_options+0x5f/0x380 [ 33.970484] ? rcu_read_lock_sched_held+0x108/0x120 [ 33.975486] ? kmem_cache_alloc_trace+0x616/0x780 [ 33.980316] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 33.985839] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 33.991367] ? copy_mount_options+0x285/0x380 [ 33.995849] ksys_mount+0x12d/0x140 [ 33.999462] __x64_sys_mount+0xbe/0x150 [ 34.003420] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 34.008421] do_syscall_64+0x1b1/0x800 [ 34.012292] ? syscall_return_slowpath+0x5c0/0x5c0 [ 34.017210] ? syscall_return_slowpath+0x30f/0x5c0 [ 34.022131] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 34.027484] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 34.032314] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 34.037490] RIP: 0033:0x440579 [ 34.040660] RSP: 002b:00007ffe5dea33a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 34.048351] RAX: ffffffffffffffda RBX: 0000000000000023 RCX: 0000000000440579 [ 34.055601] RDX: 00000000004a1e29 RSI: 00000000200000c0 RDI: 00000000004b79a5 [ 34.062849] RBP: 000000000000c003 R08: 00007ffe5dea33c0 R09: 0000000000000000 executing program [ 34.070100] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 34.079952] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 34.089507] FAULT_INJECTION: forcing a failure. [ 34.089507] name failslab, interval 1, probability 0, space 0, times 0 [ 34.100880] CPU: 1 PID: 4504 Comm: syz-executor777 Not tainted 4.17.0-rc2+ #19 [ 34.108221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.117567] Call Trace: [ 34.120141] dump_stack+0x1b9/0x294 [ 34.123758] ? dump_stack_print_info.cold.2+0x52/0x52 [ 34.128930] ? find_held_lock+0x36/0x1c0 [ 34.132980] should_fail.cold.4+0xa/0x1a [ 34.137036] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 34.142124] ? kasan_check_read+0x11/0x20 [ 34.146255] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 34.151423] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 34.156594] ? find_held_lock+0x36/0x1c0 [ 34.160643] ? check_same_owner+0x320/0x320 [ 34.164954] ? rcu_note_context_switch+0x710/0x710 [ 34.169965] ? save_stack+0xa9/0xd0 [ 34.173599] __should_failslab+0x124/0x180 [ 34.177834] should_failslab+0x9/0x14 [ 34.181618] kmem_cache_alloc+0x2af/0x760 [ 34.185766] ? find_held_lock+0x36/0x1c0 [ 34.189827] getname_flags+0xd0/0x5a0 [ 34.193613] user_path_at_empty+0x2d/0x50 [ 34.197747] do_mount+0x172/0x3070 [ 34.201273] ? do_raw_spin_unlock+0x9e/0x2e0 [ 34.205753] ? copy_mount_string+0x40/0x40 [ 34.209969] ? rcu_pm_notify+0xc0/0xc0 [ 34.213842] ? copy_mount_options+0x5f/0x380 [ 34.218235] ? rcu_read_lock_sched_held+0x108/0x120 [ 34.223239] ? kmem_cache_alloc_trace+0x616/0x780 [ 34.228076] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 34.233596] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 34.239114] ? copy_mount_options+0x285/0x380 [ 34.243590] ksys_mount+0x12d/0x140 [ 34.247201] __x64_sys_mount+0xbe/0x150 [ 34.251163] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 34.256164] do_syscall_64+0x1b1/0x800 [ 34.260041] ? syscall_return_slowpath+0x5c0/0x5c0 [ 34.264955] ? syscall_return_slowpath+0x30f/0x5c0 [ 34.269953] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 34.275298] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 34.280131] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 34.285391] RIP: 0033:0x440579 [ 34.288558] RSP: 002b:00007ffe5dea33a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 34.296246] RAX: ffffffffffffffda RBX: 0000000000000025 RCX: 0000000000440579 [ 34.303496] RDX: 00000000004a1e29 RSI: 00000000200000c0 RDI: 00000000004b79a5 [ 34.310744] RBP: 000000000000c003 R08: 00007ffe5dea33c0 R09: 0000000000000000 executing program [ 34.317992] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 34.325250] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 34.334387] FAULT_INJECTION: forcing a failure. [ 34.334387] name failslab, interval 1, probability 0, space 0, times 0 [ 34.345642] CPU: 1 PID: 4504 Comm: syz-executor777 Not tainted 4.17.0-rc2+ #19 [ 34.352992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.362325] Call Trace: [ 34.364898] dump_stack+0x1b9/0x294 [ 34.368513] ? dump_stack_print_info.cold.2+0x52/0x52 [ 34.373696] ? find_held_lock+0x36/0x1c0 [ 34.377744] should_fail.cold.4+0xa/0x1a [ 34.381793] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 34.386879] ? kasan_check_read+0x11/0x20 [ 34.391010] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 34.396197] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 34.401378] ? find_held_lock+0x36/0x1c0 [ 34.405427] ? check_same_owner+0x320/0x320 [ 34.409732] ? rcu_note_context_switch+0x710/0x710 [ 34.414640] ? save_stack+0xa9/0xd0 [ 34.418259] __should_failslab+0x124/0x180 [ 34.422483] should_failslab+0x9/0x14 [ 34.426262] kmem_cache_alloc+0x2af/0x760 [ 34.430391] ? find_held_lock+0x36/0x1c0 [ 34.434440] getname_flags+0xd0/0x5a0 [ 34.438231] user_path_at_empty+0x2d/0x50 [ 34.442362] do_mount+0x172/0x3070 [ 34.445884] ? do_raw_spin_unlock+0x9e/0x2e0 [ 34.450272] ? copy_mount_string+0x40/0x40 [ 34.454485] ? rcu_pm_notify+0xc0/0xc0 [ 34.458369] ? copy_mount_options+0x5f/0x380 [ 34.462776] ? rcu_read_lock_sched_held+0x108/0x120 [ 34.467773] ? kmem_cache_alloc_trace+0x616/0x780 [ 34.472602] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 34.478122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 34.483641] ? copy_mount_options+0x285/0x380 [ 34.488128] ksys_mount+0x12d/0x140 [ 34.491738] __x64_sys_mount+0xbe/0x150 [ 34.495694] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 34.500692] do_syscall_64+0x1b1/0x800 [ 34.504562] ? syscall_return_slowpath+0x5c0/0x5c0 [ 34.509470] ? syscall_return_slowpath+0x30f/0x5c0 [ 34.514390] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 34.519736] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 34.524560] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 34.529729] RIP: 0033:0x440579 [ 34.532904] RSP: 002b:00007ffe5dea33a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 34.540594] RAX: ffffffffffffffda RBX: 0000000000000027 RCX: 0000000000440579 [ 34.547847] RDX: 00000000004a1e29 RSI: 00000000200000c0 RDI: 00000000004b79a5 [ 34.555099] RBP: 000000000000c003 R08: 00007ffe5dea33c0 R09: 0000000000000000 [ 34.562363] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 executing program [ 34.569617] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 34.578922] FAULT_INJECTION: forcing a failure. [ 34.578922] name failslab, interval 1, probability 0, space 0, times 0 [ 34.590256] CPU: 1 PID: 4504 Comm: syz-executor777 Not tainted 4.17.0-rc2+ #19 [ 34.597607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.606941] Call Trace: [ 34.609528] dump_stack+0x1b9/0x294 [ 34.613163] ? dump_stack_print_info.cold.2+0x52/0x52 [ 34.618361] ? find_held_lock+0x36/0x1c0 [ 34.622432] should_fail.cold.4+0xa/0x1a [ 34.626495] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 34.631595] ? kasan_check_read+0x11/0x20 [ 34.635752] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 34.640941] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 34.646134] ? find_held_lock+0x36/0x1c0 [ 34.650201] ? check_same_owner+0x320/0x320 [ 34.654526] ? rcu_note_context_switch+0x710/0x710 [ 34.659445] ? save_stack+0xa9/0xd0 [ 34.663061] __should_failslab+0x124/0x180 [ 34.667292] should_failslab+0x9/0x14 [ 34.671090] kmem_cache_alloc+0x2af/0x760 [ 34.675241] ? find_held_lock+0x36/0x1c0 [ 34.679300] getname_flags+0xd0/0x5a0 [ 34.683096] user_path_at_empty+0x2d/0x50 [ 34.687237] do_mount+0x172/0x3070 [ 34.690776] ? do_raw_spin_unlock+0x9e/0x2e0 [ 34.695180] ? copy_mount_string+0x40/0x40 [ 34.699414] ? rcu_pm_notify+0xc0/0xc0 [ 34.703285] ? copy_mount_options+0x5f/0x380 [ 34.707678] ? rcu_read_lock_sched_held+0x108/0x120 [ 34.712680] ? kmem_cache_alloc_trace+0x616/0x780 [ 34.717505] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 34.723045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 34.728583] ? copy_mount_options+0x285/0x380 [ 34.733073] ksys_mount+0x12d/0x140 [ 34.736692] __x64_sys_mount+0xbe/0x150 [ 34.740648] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 34.745654] do_syscall_64+0x1b1/0x800 [ 34.749524] ? syscall_return_slowpath+0x5c0/0x5c0 [ 34.754442] ? syscall_return_slowpath+0x30f/0x5c0 [ 34.759357] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 34.764704] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 34.769537] entry_SYSCALL_64_after_hwframe+0x49/0xbe executing program [ 34.774707] RIP: 0033:0x440579 [ 34.777876] RSP: 002b:00007ffe5dea33a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 34.785577] RAX: ffffffffffffffda RBX: 0000000000000029 RCX: 0000000000440579 [ 34.792829] RDX: 00000000004a1e29 RSI: 00000000200000c0 RDI: 00000000004b79a5 [ 34.800079] RBP: 000000000000c003 R08: 00007ffe5dea33c0 R09: 0000000000000000 [ 34.807329] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 34.814578] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 34.823696] FAULT_INJECTION: forcing a failure. [ 34.823696] name failslab, interval 1, probability 0, space 0, times 0 [ 34.834957] CPU: 1 PID: 4504 Comm: syz-executor777 Not tainted 4.17.0-rc2+ #19 [ 34.842304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.851650] Call Trace: [ 34.854234] dump_stack+0x1b9/0x294 [ 34.857844] ? dump_stack_print_info.cold.2+0x52/0x52 [ 34.863577] ? find_held_lock+0x36/0x1c0 [ 34.867633] should_fail.cold.4+0xa/0x1a [ 34.871677] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 34.876765] ? kasan_check_read+0x11/0x20 [ 34.880897] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 34.886068] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 34.891240] ? find_held_lock+0x36/0x1c0 [ 34.895288] ? check_same_owner+0x320/0x320 [ 34.899596] ? rcu_note_context_switch+0x710/0x710 [ 34.904505] ? save_stack+0xa9/0xd0 [ 34.908113] __should_failslab+0x124/0x180 [ 34.912330] should_failslab+0x9/0x14 [ 34.916110] kmem_cache_alloc+0x2af/0x760 [ 34.920236] ? find_held_lock+0x36/0x1c0 [ 34.924278] getname_flags+0xd0/0x5a0 [ 34.928061] user_path_at_empty+0x2d/0x50 [ 34.932190] do_mount+0x172/0x3070 [ 34.935715] ? do_raw_spin_unlock+0x9e/0x2e0 [ 34.940102] ? copy_mount_string+0x40/0x40 [ 34.944313] ? rcu_pm_notify+0xc0/0xc0 [ 34.948184] ? copy_mount_options+0x5f/0x380 [ 34.952574] ? rcu_read_lock_sched_held+0x108/0x120 [ 34.957569] ? kmem_cache_alloc_trace+0x616/0x780 [ 34.962395] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 34.967916] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 34.973430] ? copy_mount_options+0x285/0x380 [ 34.977906] ksys_mount+0x12d/0x140 [ 34.981514] __x64_sys_mount+0xbe/0x150 [ 34.985467] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 34.990465] do_syscall_64+0x1b1/0x800 [ 34.994331] ? syscall_return_slowpath+0x5c0/0x5c0 [ 34.999247] ? syscall_return_slowpath+0x30f/0x5c0 [ 35.004160] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 35.009520] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.014342] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.019508] RIP: 0033:0x440579 executing program [ 35.022676] RSP: 002b:00007ffe5dea33a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 35.030373] RAX: ffffffffffffffda RBX: 000000000000002b RCX: 0000000000440579 [ 35.037623] RDX: 00000000004a1e29 RSI: 00000000200000c0 RDI: 00000000004b79a5 [ 35.044871] RBP: 000000000000c003 R08: 00007ffe5dea33c0 R09: 0000000000000000 [ 35.052122] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 35.059372] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 35.068619] FAULT_INJECTION: forcing a failure. [ 35.068619] name failslab, interval 1, probability 0, space 0, times 0 [ 35.079961] CPU: 1 PID: 4504 Comm: syz-executor777 Not tainted 4.17.0-rc2+ #19 [ 35.087312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.096648] Call Trace: [ 35.099227] dump_stack+0x1b9/0x294 [ 35.102837] ? dump_stack_print_info.cold.2+0x52/0x52 [ 35.108010] ? find_held_lock+0x36/0x1c0 [ 35.112057] should_fail.cold.4+0xa/0x1a [ 35.116099] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 35.121184] ? kasan_check_read+0x11/0x20 [ 35.125320] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 35.130489] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 35.135662] ? find_held_lock+0x36/0x1c0 [ 35.139721] ? check_same_owner+0x320/0x320 [ 35.144034] ? rcu_note_context_switch+0x710/0x710 [ 35.148951] ? save_stack+0xa9/0xd0 [ 35.152563] __should_failslab+0x124/0x180 [ 35.156781] should_failslab+0x9/0x14 [ 35.160573] kmem_cache_alloc+0x2af/0x760 [ 35.164706] ? find_held_lock+0x36/0x1c0 [ 35.168758] getname_flags+0xd0/0x5a0 [ 35.172552] user_path_at_empty+0x2d/0x50 [ 35.176683] do_mount+0x172/0x3070 [ 35.180206] ? do_raw_spin_unlock+0x9e/0x2e0 [ 35.184595] ? copy_mount_string+0x40/0x40 [ 35.188814] ? rcu_pm_notify+0xc0/0xc0 [ 35.192686] ? copy_mount_options+0x5f/0x380 [ 35.197071] ? rcu_read_lock_sched_held+0x108/0x120 [ 35.202065] ? kmem_cache_alloc_trace+0x616/0x780 [ 35.206888] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 35.212406] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 35.217921] ? copy_mount_options+0x285/0x380 [ 35.222396] ksys_mount+0x12d/0x140 [ 35.226006] __x64_sys_mount+0xbe/0x150 [ 35.229968] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 35.234970] do_syscall_64+0x1b1/0x800 [ 35.238970] ? syscall_return_slowpath+0x5c0/0x5c0 [ 35.243881] ? syscall_return_slowpath+0x30f/0x5c0 [ 35.248808] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 35.254162] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.258990] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.264160] RIP: 0033:0x440579 [ 35.267330] RSP: 002b:00007ffe5dea33a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 executing program [ 35.275025] RAX: ffffffffffffffda RBX: 000000000000002d RCX: 0000000000440579 [ 35.282370] RDX: 00000000004a1e29 RSI: 00000000200000c0 RDI: 00000000004b79a5 [ 35.289616] RBP: 000000000000c003 R08: 00007ffe5dea33c0 R09: 0000000000000000 [ 35.296865] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 35.304111] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 35.313313] FAULT_INJECTION: forcing a failure. [ 35.313313] name failslab, interval 1, probability 0, space 0, times 0 [ 35.324636] CPU: 1 PID: 4504 Comm: syz-executor777 Not tainted 4.17.0-rc2+ #19 [ 35.331977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.341311] Call Trace: [ 35.343884] dump_stack+0x1b9/0x294 [ 35.347494] ? dump_stack_print_info.cold.2+0x52/0x52 [ 35.352664] ? find_held_lock+0x36/0x1c0 [ 35.356710] should_fail.cold.4+0xa/0x1a [ 35.360753] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 35.365838] ? kasan_check_read+0x11/0x20 [ 35.369968] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 35.375139] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 35.380311] ? find_held_lock+0x36/0x1c0 [ 35.384362] ? check_same_owner+0x320/0x320 [ 35.388849] ? rcu_note_context_switch+0x710/0x710 [ 35.393760] ? save_stack+0xa9/0xd0 [ 35.397376] __should_failslab+0x124/0x180 [ 35.401595] should_failslab+0x9/0x14 [ 35.405375] kmem_cache_alloc+0x2af/0x760 [ 35.409509] ? find_held_lock+0x36/0x1c0 [ 35.413556] getname_flags+0xd0/0x5a0 [ 35.417341] user_path_at_empty+0x2d/0x50 [ 35.421471] do_mount+0x172/0x3070 [ 35.424990] ? do_raw_spin_unlock+0x9e/0x2e0 [ 35.429386] ? copy_mount_string+0x40/0x40 [ 35.433600] ? rcu_pm_notify+0xc0/0xc0 [ 35.437472] ? copy_mount_options+0x5f/0x380 [ 35.441859] ? rcu_read_lock_sched_held+0x108/0x120 [ 35.446868] ? kmem_cache_alloc_trace+0x616/0x780 [ 35.451701] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 35.457225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 35.462743] ? copy_mount_options+0x285/0x380 [ 35.467217] ksys_mount+0x12d/0x140 [ 35.470826] __x64_sys_mount+0xbe/0x150 [ 35.474784] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 35.479785] do_syscall_64+0x1b1/0x800 [ 35.483660] ? syscall_return_slowpath+0x5c0/0x5c0 [ 35.488572] ? syscall_return_slowpath+0x30f/0x5c0 [ 35.493483] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 35.498827] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.503657] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.508825] RIP: 0033:0x440579 [ 35.511994] RSP: 002b:00007ffe5dea33a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 35.519685] RAX: ffffffffffffffda RBX: 000000000000002f RCX: 0000000000440579 executing program [ 35.526936] RDX: 00000000004a1e29 RSI: 00000000200000c0 RDI: 00000000004b79a5 [ 35.534195] RBP: 000000000000c003 R08: 00007ffe5dea33c0 R09: 0000000000000000 [ 35.541442] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 35.548695] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 35.557779] FAULT_INJECTION: forcing a failure. [ 35.557779] name failslab, interval 1, probability 0, space 0, times 0 [ 35.569062] CPU: 1 PID: 4504 Comm: syz-executor777 Not tainted 4.17.0-rc2+ #19 [ 35.576412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.585745] Call Trace: [ 35.588316] dump_stack+0x1b9/0x294 [ 35.591926] ? dump_stack_print_info.cold.2+0x52/0x52 [ 35.597098] ? find_held_lock+0x36/0x1c0 [ 35.601232] should_fail.cold.4+0xa/0x1a [ 35.605362] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 35.610456] ? kasan_check_read+0x11/0x20 [ 35.614595] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 35.619770] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 35.624967] ? find_held_lock+0x36/0x1c0 [ 35.629031] ? check_same_owner+0x320/0x320 [ 35.633347] ? rcu_note_context_switch+0x710/0x710 [ 35.638256] ? save_stack+0xa9/0xd0 [ 35.641868] __should_failslab+0x124/0x180 [ 35.646090] should_failslab+0x9/0x14 [ 35.649879] kmem_cache_alloc+0x2af/0x760 [ 35.654014] ? find_held_lock+0x36/0x1c0 [ 35.658063] getname_flags+0xd0/0x5a0 [ 35.661847] user_path_at_empty+0x2d/0x50 [ 35.665989] do_mount+0x172/0x3070 [ 35.669530] ? do_raw_spin_unlock+0x9e/0x2e0 [ 35.674026] ? copy_mount_string+0x40/0x40 [ 35.678258] ? rcu_pm_notify+0xc0/0xc0 [ 35.682139] ? copy_mount_options+0x5f/0x380 [ 35.686532] ? rcu_read_lock_sched_held+0x108/0x120 [ 35.691530] ? kmem_cache_alloc_trace+0x616/0x780 [ 35.696361] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 35.701883] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 35.707399] ? copy_mount_options+0x285/0x380 [ 35.711876] ksys_mount+0x12d/0x140 [ 35.715494] __x64_sys_mount+0xbe/0x150 [ 35.719466] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 35.724466] do_syscall_64+0x1b1/0x800 [ 35.728334] ? syscall_return_slowpath+0x5c0/0x5c0 [ 35.733250] ? syscall_return_slowpath+0x30f/0x5c0 [ 35.738180] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 35.743533] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.748361] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.753535] RIP: 0033:0x440579 [ 35.756703] RSP: 002b:00007ffe5dea33a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 35.764396] RAX: ffffffffffffffda RBX: 0000000000000031 RCX: 0000000000440579 [ 35.771647] RDX: 00000000004a1e29 RSI: 00000000200000c0 RDI: 00000000004b79a5 executing program [ 35.778900] RBP: 000000000000c003 R08: 00007ffe5dea33c0 R09: 0000000000000000 [ 35.786150] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 35.793402] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 35.802930] FAULT_INJECTION: forcing a failure. [ 35.802930] name failslab, interval 1, probability 0, space 0, times 0 [ 35.814190] CPU: 1 PID: 4504 Comm: syz-executor777 Not tainted 4.17.0-rc2+ #19 [ 35.821552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.830894] Call Trace: [ 35.833482] dump_stack+0x1b9/0x294 [ 35.837101] ? dump_stack_print_info.cold.2+0x52/0x52 [ 35.842273] ? find_held_lock+0x36/0x1c0 [ 35.846334] should_fail.cold.4+0xa/0x1a [ 35.850391] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 35.855487] ? kasan_check_read+0x11/0x20 [ 35.859629] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 35.864815] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 35.869989] ? find_held_lock+0x36/0x1c0 [ 35.874064] ? check_same_owner+0x320/0x320 [ 35.878385] ? rcu_note_context_switch+0x710/0x710 [ 35.883300] ? save_stack+0xa9/0xd0 [ 35.887001] __should_failslab+0x124/0x180 [ 35.891223] should_failslab+0x9/0x14 [ 35.895018] kmem_cache_alloc+0x2af/0x760 [ 35.899150] ? find_held_lock+0x36/0x1c0 [ 35.903206] getname_flags+0xd0/0x5a0 [ 35.906993] user_path_at_empty+0x2d/0x50 [ 35.911126] do_mount+0x172/0x3070 [ 35.914657] ? do_raw_spin_unlock+0x9e/0x2e0 [ 35.919050] ? copy_mount_string+0x40/0x40 [ 35.923265] ? rcu_pm_notify+0xc0/0xc0 [ 35.927143] ? copy_mount_options+0x5f/0x380 [ 35.931540] ? rcu_read_lock_sched_held+0x108/0x120 [ 35.936540] ? kmem_cache_alloc_trace+0x616/0x780 [ 35.941366] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 35.946888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 35.952416] ? copy_mount_options+0x285/0x380 [ 35.956898] ksys_mount+0x12d/0x140 [ 35.960508] __x64_sys_mount+0xbe/0x150 [ 35.964465] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 35.969464] do_syscall_64+0x1b1/0x800 [ 35.973338] ? syscall_return_slowpath+0x5c0/0x5c0 [ 35.978253] ? syscall_return_slowpath+0x30f/0x5c0 [ 35.983204] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 35.988575] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.993424] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.998605] RIP: 0033:0x440579 [ 36.001784] RSP: 002b:00007ffe5dea33a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 36.009507] RAX: ffffffffffffffda RBX: 0000000000000033 RCX: 0000000000440579 [ 36.016775] RDX: 00000000004a1e29 RSI: 00000000200000c0 RDI: 00000000004b79a5 executing program [ 36.024047] RBP: 000000000000c003 R08: 00007ffe5dea33c0 R09: 0000000000000000 [ 36.031316] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 36.038585] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 36.047422] FAULT_INJECTION: forcing a failure. [ 36.047422] name failslab, interval 1, probability 0, space 0, times 0 [ 36.058797] CPU: 1 PID: 4504 Comm: syz-executor777 Not tainted 4.17.0-rc2+ #19 [ 36.066164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.075505] Call Trace: [ 36.078085] dump_stack+0x1b9/0x294 [ 36.081698] ? dump_stack_print_info.cold.2+0x52/0x52 [ 36.086876] ? kasan_check_write+0x14/0x20 [ 36.091107] should_fail.cold.4+0xa/0x1a [ 36.095178] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 36.100263] ? find_next_zero_bit+0x111/0x140 [ 36.104754] ? rcu_is_watching+0x85/0x140 [ 36.108900] ? rcu_pm_notify+0xc0/0xc0 [ 36.112777] ? find_held_lock+0x36/0x1c0 [ 36.116831] ? check_same_owner+0x320/0x320 [ 36.121137] ? rcu_note_context_switch+0x710/0x710 [ 36.126052] __should_failslab+0x124/0x180 [ 36.130283] should_failslab+0x9/0x14 [ 36.134067] kmem_cache_alloc_trace+0x2cb/0x780 [ 36.138721] ? kasan_check_write+0x14/0x20 [ 36.142951] ? do_raw_spin_lock+0xc1/0x200 [ 36.147173] sget_userns+0x1c7/0xf00 [ 36.150868] ? get_anon_bdev+0x2f0/0x2f0 [ 36.154924] ? destroy_unused_super.part.11+0x110/0x110 [ 36.160279] ? __alloc_pages_nodemask+0xacf/0xd70 [ 36.165115] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 36.170126] ? kasan_check_read+0x11/0x20 [ 36.174266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 36.179790] ? cap_capable+0x1f9/0x260 [ 36.183664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 36.189195] ? security_capable+0x99/0xc0 [ 36.193327] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 36.198854] ? ns_capable_common+0x13f/0x170 [ 36.203250] ? get_anon_bdev+0x2f0/0x2f0 [ 36.207295] sget+0x10b/0x150 [ 36.210384] ? fuse_get_root_inode+0x190/0x190 [ 36.214947] mount_nodev+0x33/0x110 [ 36.218557] fuse_mount+0x2c/0x40 [ 36.222006] mount_fs+0xae/0x328 [ 36.225364] vfs_kern_mount.part.34+0xd4/0x4d0 [ 36.229937] ? may_umount+0xb0/0xb0 [ 36.233548] ? _raw_read_unlock+0x22/0x30 [ 36.237677] ? __get_fs_type+0x97/0xc0 [ 36.241549] do_mount+0x564/0x3070 [ 36.245073] ? copy_mount_string+0x40/0x40 [ 36.249295] ? rcu_pm_notify+0xc0/0xc0 [ 36.253177] ? copy_mount_options+0x5f/0x380 [ 36.257596] ? rcu_read_lock_sched_held+0x108/0x120 [ 36.262599] ? kmem_cache_alloc_trace+0x616/0x780 [ 36.267440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 36.272989] ? copy_mount_options+0x285/0x380 [ 36.277497] ksys_mount+0x12d/0x140 [ 36.281127] __x64_sys_mount+0xbe/0x150 [ 36.285116] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 36.290121] do_syscall_64+0x1b1/0x800 [ 36.293998] ? syscall_return_slowpath+0x5c0/0x5c0 [ 36.298916] ? syscall_return_slowpath+0x30f/0x5c0 [ 36.303832] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 36.309190] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.314028] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.319208] RIP: 0033:0x440579 [ 36.322383] RSP: 002b:00007ffe5dea33a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 executing program [ 36.330157] RAX: ffffffffffffffda RBX: 0000000000000035 RCX: 0000000000440579 [ 36.337425] RDX: 00000000004a1e29 RSI: 00000000200000c0 RDI: 00000000004b79a5 [ 36.344678] RBP: 000000000000c003 R08: 00007ffe5dea33c0 R09: 0000000000000000 [ 36.351926] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 36.359179] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 36.368183] FAULT_INJECTION: forcing a failure. [ 36.368183] name failslab, interval 1, probability 0, space 0, times 0 [ 36.379417] CPU: 1 PID: 4504 Comm: syz-executor777 Not tainted 4.17.0-rc2+ #19 [ 36.386760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.396108] Call Trace: [ 36.398687] dump_stack+0x1b9/0x294 [ 36.402316] ? dump_stack_print_info.cold.2+0x52/0x52 [ 36.407615] ? __kernel_text_address+0xd/0x40 [ 36.412099] ? mutex_trylock+0x2a0/0x2a0 [ 36.416147] should_fail.cold.4+0xa/0x1a [ 36.420188] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 36.425275] ? graph_lock+0x170/0x170 [ 36.429054] ? lock_downgrade+0x8e0/0x8e0 [ 36.433182] ? sget+0x10b/0x150 [ 36.436450] ? find_held_lock+0x36/0x1c0 [ 36.440493] ? __lock_is_held+0xb5/0x140 [ 36.444551] ? check_same_owner+0x320/0x320 [ 36.448856] ? __might_sleep+0x95/0x190 [ 36.452814] ? rcu_note_context_switch+0x710/0x710 [ 36.457730] __should_failslab+0x124/0x180 [ 36.461962] should_failslab+0x9/0x14 [ 36.465744] __kmalloc+0x2c8/0x760 [ 36.469290] ? __kmalloc_node+0x47/0x70 [ 36.473248] ? __list_lru_init+0xdd/0x790 [ 36.477376] __list_lru_init+0xdd/0x790 [ 36.481360] ? list_lru_destroy+0x4c0/0x4c0 [ 36.485673] ? mark_held_locks+0xc9/0x160 [ 36.489845] ? __raw_spin_lock_init+0x1c/0x100 [ 36.494420] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 36.499437] ? lockdep_init_map+0x9/0x10 [ 36.503500] sget_userns+0x767/0xf00 [ 36.507199] ? get_anon_bdev+0x2f0/0x2f0 [ 36.511247] ? destroy_unused_super.part.11+0x110/0x110 [ 36.516619] ? __alloc_pages_nodemask+0xacf/0xd70 [ 36.521445] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 36.526445] ? kasan_check_read+0x11/0x20 [ 36.530583] ? cap_capable+0x1f9/0x260 [ 36.534456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 36.539973] ? security_capable+0x99/0xc0 [ 36.544109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 36.549633] ? ns_capable_common+0x13f/0x170 [ 36.554031] ? get_anon_bdev+0x2f0/0x2f0 [ 36.558074] sget+0x10b/0x150 [ 36.561169] ? fuse_get_root_inode+0x190/0x190 [ 36.565749] mount_nodev+0x33/0x110 [ 36.569356] fuse_mount+0x2c/0x40 [ 36.572796] mount_fs+0xae/0x328 [ 36.576154] vfs_kern_mount.part.34+0xd4/0x4d0 [ 36.580723] ? may_umount+0xb0/0xb0 [ 36.584333] ? _raw_read_unlock+0x22/0x30 [ 36.588549] ? __get_fs_type+0x97/0xc0 [ 36.592421] do_mount+0x564/0x3070 [ 36.595964] ? copy_mount_string+0x40/0x40 [ 36.600194] ? rcu_pm_notify+0xc0/0xc0 [ 36.604076] ? copy_mount_options+0x5f/0x380 [ 36.608473] ? rcu_read_lock_sched_held+0x108/0x120 [ 36.613481] ? kmem_cache_alloc_trace+0x616/0x780 [ 36.618309] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 36.623828] ? _copy_from_user+0xdf/0x150 [ 36.627961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 36.633479] ? copy_mount_options+0x285/0x380 [ 36.637974] ksys_mount+0x12d/0x140 [ 36.641587] __x64_sys_mount+0xbe/0x150 [ 36.645545] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 36.650546] do_syscall_64+0x1b1/0x800 [ 36.654429] ? syscall_return_slowpath+0x5c0/0x5c0 [ 36.659431] ? syscall_return_slowpath+0x30f/0x5c0 [ 36.664346] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 36.669693] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.674526] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.679785] RIP: 0033:0x440579 executing program [ 36.682963] RSP: 002b:00007ffe5dea33a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 36.690657] RAX: ffffffffffffffda RBX: 0000000000000037 RCX: 0000000000440579 [ 36.697911] RDX: 00000000004a1e29 RSI: 00000000200000c0 RDI: 00000000004b79a5 [ 36.705164] RBP: 000000000000c003 R08: 00007ffe5dea33c0 R09: 0000000000000000 [ 36.712427] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 36.719688] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 36.728666] FAULT_INJECTION: forcing a failure. [ 36.728666] name failslab, interval 1, probability 0, space 0, times 0 [ 36.739948] CPU: 1 PID: 4504 Comm: syz-executor777 Not tainted 4.17.0-rc2+ #19 [ 36.747310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.756649] Call Trace: [ 36.759247] dump_stack+0x1b9/0x294 [ 36.762870] ? dump_stack_print_info.cold.2+0x52/0x52 [ 36.768048] ? kernel_text_address+0x79/0xf0 [ 36.772458] ? __unwind_start+0x166/0x330 [ 36.776594] ? __kernel_text_address+0xd/0x40 [ 36.781085] should_fail.cold.4+0xa/0x1a [ 36.785136] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 36.790749] ? save_stack+0x43/0xd0 [ 36.794365] ? kasan_kmalloc+0xc4/0xe0 [ 36.798246] ? kasan_slab_alloc+0x12/0x20 [ 36.802390] ? kmem_cache_alloc+0x12e/0x760 [ 36.806708] ? alloc_vfsmnt+0xe0/0x9d0 [ 36.810588] ? vfs_kern_mount.part.34+0x88/0x4d0 [ 36.815341] ? find_held_lock+0x36/0x1c0 [ 36.819411] ? check_same_owner+0x320/0x320 [ 36.823731] ? rcu_note_context_switch+0x710/0x710 [ 36.828660] __should_failslab+0x124/0x180 [ 36.832892] should_failslab+0x9/0x14 [ 36.836690] __kmalloc_track_caller+0x2c4/0x760 [ 36.841346] ? kasan_check_read+0x11/0x20 [ 36.845486] ? do_raw_spin_unlock+0x9e/0x2e0 [ 36.849888] ? kstrdup_const+0x66/0x80 [ 36.853769] kstrdup+0x39/0x70 [ 36.857657] kstrdup_const+0x66/0x80 [ 36.861365] alloc_vfsmnt+0x1b3/0x9d0 [ 36.865152] ? mnt_free_id.isra.27+0x60/0x60 [ 36.869546] ? kasan_check_read+0x11/0x20 [ 36.873678] ? graph_lock+0x170/0x170 [ 36.877465] ? rcu_pm_notify+0xc0/0xc0 [ 36.881349] ? trace_hardirqs_off+0xd/0x10 [ 36.885596] ? putname+0xf2/0x130 [ 36.889050] ? putname+0xf2/0x130 [ 36.892498] ? find_held_lock+0x36/0x1c0 [ 36.896547] ? lock_downgrade+0x8e0/0x8e0 [ 36.900680] ? module_unload_free+0x5b0/0x5b0 [ 36.905159] ? lock_release+0xa10/0xa10 [ 36.909121] ? mpi_free.cold.1+0x19/0x19 [ 36.913179] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 36.918702] vfs_kern_mount.part.34+0x88/0x4d0 [ 36.923271] ? may_umount+0xb0/0xb0 [ 36.926889] ? _raw_read_unlock+0x22/0x30 [ 36.931027] ? __get_fs_type+0x97/0xc0 [ 36.934916] do_mount+0x564/0x3070 [ 36.938461] ? copy_mount_string+0x40/0x40 [ 36.942698] ? rcu_pm_notify+0xc0/0xc0 [ 36.946574] ? copy_mount_options+0x5f/0x380 [ 36.950994] ? rcu_read_lock_sched_held+0x108/0x120 [ 36.956016] ? kmem_cache_alloc_trace+0x616/0x780 [ 36.960854] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 36.966388] ? _copy_from_user+0xdf/0x150 [ 36.970522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 36.976051] ? copy_mount_options+0x285/0x380 [ 36.980532] ksys_mount+0x12d/0x140 [ 36.984145] __x64_sys_mount+0xbe/0x150 [ 36.988111] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 36.993123] do_syscall_64+0x1b1/0x800 [ 36.996997] ? syscall_return_slowpath+0x5c0/0x5c0 [ 37.001938] ? syscall_return_slowpath+0x30f/0x5c0 [ 37.006865] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 37.012222] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.017061] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.022247] RIP: 0033:0x440579 [ 37.025429] RSP: 002b:00007ffe5dea33a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 executing program [ 37.033141] RAX: ffffffffffffffda RBX: 0000000000000039 RCX: 0000000000440579 [ 37.040409] RDX: 00000000004a1e29 RSI: 00000000200000c0 RDI: 00000000004b79a5 [ 37.047674] RBP: 000000000000c003 R08: 00007ffe5dea33c0 R09: 0000000000000000 [ 37.054932] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 37.062200] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 37.074588] FAULT_INJECTION: forcing a failure. [ 37.074588] name failslab, interval 1, probability 0, space 0, times 0 [ 37.085901] CPU: 0 PID: 4504 Comm: syz-executor777 Not tainted 4.17.0-rc2+ #19 [ 37.093250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.102588] Call Trace: [ 37.105467] dump_stack+0x1b9/0x294 [ 37.109089] ? dump_stack_print_info.cold.2+0x52/0x52 [ 37.114266] ? kernel_text_address+0x79/0xf0 [ 37.118659] ? __unwind_start+0x166/0x330 [ 37.122800] should_fail.cold.4+0xa/0x1a [ 37.126860] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 37.131951] ? graph_lock+0x170/0x170 [ 37.135742] ? save_stack+0x43/0xd0 [ 37.139350] ? kasan_kmalloc+0xc4/0xe0 [ 37.143222] ? __kmalloc+0x14e/0x760 [ 37.146920] ? __list_lru_init+0xdd/0x790 [ 37.151057] ? find_held_lock+0x36/0x1c0 [ 37.155103] ? __lock_is_held+0xb5/0x140 [ 37.159165] ? check_same_owner+0x320/0x320 [ 37.163472] ? rcu_note_context_switch+0x710/0x710 [ 37.168396] __should_failslab+0x124/0x180 [ 37.172627] should_failslab+0x9/0x14 [ 37.176420] kmem_cache_alloc_node_trace+0x26f/0x770 [ 37.181506] ? mark_held_locks+0xc9/0x160 [ 37.185640] ? __raw_spin_lock_init+0x1c/0x100 [ 37.190212] __kmalloc_node+0x33/0x70 [ 37.194001] kvmalloc_node+0x6b/0x100 [ 37.197806] __list_lru_init+0x559/0x790 [ 37.201853] ? list_lru_destroy+0x4c0/0x4c0 [ 37.206163] ? mark_held_locks+0xc9/0x160 [ 37.210300] ? __raw_spin_lock_init+0x1c/0x100 [ 37.214866] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 37.219872] ? __lockdep_init_map+0x105/0x590 [ 37.224357] ? lockdep_init_map+0x9/0x10 [ 37.228416] sget_userns+0x73a/0xf00 [ 37.232114] ? get_anon_bdev+0x2f0/0x2f0 [ 37.236162] ? destroy_unused_super.part.11+0x110/0x110 [ 37.241515] ? __alloc_pages_nodemask+0xacf/0xd70 [ 37.246363] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 37.251364] ? kasan_check_read+0x11/0x20 [ 37.255499] ? cap_capable+0x1f9/0x260 [ 37.259375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 37.264897] ? security_capable+0x99/0xc0 [ 37.269048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 37.274573] ? ns_capable_common+0x13f/0x170 [ 37.278977] ? get_anon_bdev+0x2f0/0x2f0 [ 37.283028] sget+0x10b/0x150 [ 37.286126] ? fuse_get_root_inode+0x190/0x190 [ 37.290695] mount_nodev+0x33/0x110 [ 37.294307] fuse_mount+0x2c/0x40 [ 37.297743] mount_fs+0xae/0x328 [ 37.301102] vfs_kern_mount.part.34+0xd4/0x4d0 [ 37.305686] ? may_umount+0xb0/0xb0 [ 37.309301] ? _raw_read_unlock+0x22/0x30 [ 37.313434] ? __get_fs_type+0x97/0xc0 [ 37.317307] do_mount+0x564/0x3070 [ 37.320843] ? copy_mount_string+0x40/0x40 [ 37.325076] ? rcu_pm_notify+0xc0/0xc0 [ 37.328963] ? copy_mount_options+0x5f/0x380 [ 37.333363] ? rcu_read_lock_sched_held+0x108/0x120 [ 37.338369] ? kmem_cache_alloc_trace+0x616/0x780 [ 37.343199] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 37.348725] ? _copy_from_user+0xdf/0x150 [ 37.352866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 37.358400] ? copy_mount_options+0x285/0x380 [ 37.362907] ksys_mount+0x12d/0x140 [ 37.366527] __x64_sys_mount+0xbe/0x150 [ 37.370487] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 37.375513] do_syscall_64+0x1b1/0x800 [ 37.379388] ? syscall_return_slowpath+0x5c0/0x5c0 [ 37.384303] ? syscall_return_slowpath+0x30f/0x5c0 [ 37.389224] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 37.394593] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.399461] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.404637] RIP: 0033:0x440579 [ 37.407809] RSP: 002b:00007ffe5dea33a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 37.415513] RAX: ffffffffffffffda RBX: 000000000000003b RCX: 0000000000440579 [ 37.422770] RDX: 00000000004a1e29 RSI: 00000000200000c0 RDI: 00000000004b79a5 executing program [ 37.430217] RBP: 000000000000c003 R08: 00007ffe5dea33c0 R09: 0000000000000000 [ 37.437478] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 37.444738] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 37.454754] FAULT_INJECTION: forcing a failure. [ 37.454754] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 37.466563] CPU: 0 PID: 4504 Comm: syz-executor777 Not tainted 4.17.0-rc2+ #19 [ 37.473927] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.483267] Call Trace: [ 37.485860] dump_stack+0x1b9/0x294 [ 37.489477] ? dump_stack_print_info.cold.2+0x52/0x52 [ 37.494753] should_fail.cold.4+0xa/0x1a [ 37.498813] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 37.503910] ? debug_check_no_locks_freed+0x310/0x310 [ 37.509089] ? print_usage_bug+0xc0/0xc0 [ 37.513143] ? graph_lock+0x170/0x170 [ 37.516933] ? print_usage_bug+0xc0/0xc0 [ 37.520985] ? find_held_lock+0x36/0x1c0 [ 37.525048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 37.530749] ? should_fail+0x21b/0xbcd [ 37.534627] __alloc_pages_nodemask+0x34e/0xd70 [ 37.539304] ? kasan_check_read+0x11/0x20 [ 37.543453] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 37.548456] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 37.553637] ? find_held_lock+0x36/0x1c0 [ 37.557696] ? check_same_owner+0x320/0x320 [ 37.562013] cache_grow_begin+0x72/0x6c0 [ 37.566085] kmem_cache_alloc+0x689/0x760 [ 37.570233] ? find_held_lock+0x36/0x1c0 [ 37.574285] getname_flags+0xd0/0x5a0 [ 37.578083] user_path_at_empty+0x2d/0x50 [ 37.582224] do_mount+0x172/0x3070 [ 37.585762] ? do_raw_spin_unlock+0x9e/0x2e0 [ 37.590155] ? copy_mount_string+0x40/0x40 [ 37.594385] ? rcu_pm_notify+0xc0/0xc0 [ 37.598280] ? copy_mount_options+0x5f/0x380 [ 37.602678] ? rcu_read_lock_sched_held+0x108/0x120 [ 37.607687] ? kmem_cache_alloc_trace+0x616/0x780 [ 37.612521] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 37.618061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 37.623615] ? copy_mount_options+0x285/0x380 [ 37.628122] ksys_mount+0x12d/0x140 [ 37.631759] __x64_sys_mount+0xbe/0x150 [ 37.635723] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 37.640733] do_syscall_64+0x1b1/0x800 [ 37.644613] ? syscall_return_slowpath+0x5c0/0x5c0 [ 37.649538] ? syscall_return_slowpath+0x30f/0x5c0 [ 37.654470] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 37.659831] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.664669] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.669860] RIP: 0033:0x440579 [ 37.673053] RSP: 002b:00007ffe5dea33a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 37.680772] RAX: ffffffffffffffda RBX: 000000000000003d RCX: 0000000000440579 [ 37.688042] RDX: 00000000004a1e29 RSI: 00000000200000c0 RDI: 00000000004b79a5 [ 37.695309] RBP: 000000000000c003 R08: 00007ffe5dea33c0 R09: 0000000000000000 [ 37.702571] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 37.709833] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 37.720087] FAULT_INJECTION: forcing a failure. [ 37.720087] name failslab, interval 1, probability 0, space 0, times 0 [ 37.731578] CPU: 0 PID: 4504 Comm: syz-executor777 Not tainted 4.17.0-rc2+ #19 [ 37.738934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.748288] Call Trace: [ 37.750888] dump_stack+0x1b9/0x294 [ 37.754507] ? dump_stack_print_info.cold.2+0x52/0x52 [ 37.759949] ? debug_check_no_locks_freed+0x310/0x310 [ 37.765129] should_fail.cold.4+0xa/0x1a [ 37.769186] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 37.774276] ? free_unref_page+0x707/0x9d0 [ 37.778506] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 37.783520] ? graph_lock+0x170/0x170 [ 37.787319] ? graph_lock+0x170/0x170 [ 37.791109] ? find_held_lock+0x36/0x1c0 [ 37.795181] ? __lock_is_held+0xb5/0x140 [ 37.799237] ? check_same_owner+0x320/0x320 [ 37.803557] ? rcu_note_context_switch+0x710/0x710 [ 37.808492] __should_failslab+0x124/0x180 [ 37.812728] should_failslab+0x9/0x14 [ 37.816517] kmem_cache_alloc_trace+0x2cb/0x780 [ 37.821182] ? __legitimize_mnt+0x86/0x130 [ 37.825409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 37.830939] get_mountpoint+0x14f/0x400 [ 37.834913] ? namespace_unlock+0x1f0/0x1f0 [ 37.839221] ? down_read+0x1b0/0x1b0 [ 37.842926] ? _raw_spin_unlock+0x22/0x30 [ 37.847087] lock_mount+0xfa/0x2e0 [ 37.850623] do_add_mount+0x27/0x370 [ 37.854324] do_mount+0x18e6/0x3070 [ 37.857933] ? do_raw_spin_unlock+0x9e/0x2e0 [ 37.862337] ? copy_mount_string+0x40/0x40 [ 37.866557] ? rcu_pm_notify+0xc0/0xc0 [ 37.870969] ? copy_mount_options+0x5f/0x380 [ 37.875361] ? rcu_read_lock_sched_held+0x108/0x120 [ 37.880373] ? kmem_cache_alloc_trace+0x616/0x780 [ 37.885200] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 37.890730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 37.896256] ? copy_mount_options+0x285/0x380 [ 37.900744] ksys_mount+0x12d/0x140 [ 37.904359] __x64_sys_mount+0xbe/0x150 [ 37.908315] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 37.913327] do_syscall_64+0x1b1/0x800 [ 37.917202] ? syscall_return_slowpath+0x5c0/0x5c0 [ 37.922127] ? syscall_return_slowpath+0x30f/0x5c0 [ 37.927054] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 37.932411] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.937250] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.942432] RIP: 0033:0x440579 [ 37.945606] RSP: 002b:00007ffe5dea3808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 37.953301] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440579 [ 37.960556] RDX: 00000000200002c0 RSI: 0000000020000280 RDI: 0000000020000240 [ 37.967815] RBP: 0030656c69662f2e R08: 0000000020000300 R09: 0000000000003833 [ 37.975161] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe5dea3810 [ 37.982423] R13: ffffffffffffffff R14: 006c746365737566 R15: 000000000000003e executing program [ 37.993646] FAULT_INJECTION: forcing a failure. [ 37.993646] name failslab, interval 1, probability 0, space 0, times 0 [ 38.005092] CPU: 0 PID: 4504 Comm: syz-executor777 Not tainted 4.17.0-rc2+ #19 [ 38.012445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.021786] Call Trace: [ 38.024366] dump_stack+0x1b9/0x294 [ 38.027981] ? dump_stack_print_info.cold.2+0x52/0x52 [ 38.033158] ? __lock_acquire+0x7f5/0x5140 [ 38.037378] ? print_usage_bug+0xc0/0xc0 [ 38.041429] ? print_usage_bug+0xc0/0xc0 [ 38.045477] should_fail.cold.4+0xa/0x1a [ 38.049531] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 38.054640] ? debug_check_no_locks_freed+0x310/0x310 [ 38.059820] ? lock_downgrade+0x8e0/0x8e0 [ 38.063965] ? graph_lock+0x170/0x170 [ 38.067745] ? __lock_acquire+0x7f5/0x5140 [ 38.071966] ? __lock_acquire+0x7f5/0x5140 [ 38.076184] ? rcu_is_watching+0x85/0x140 [ 38.080317] ? find_held_lock+0x36/0x1c0 [ 38.084373] ? __lock_is_held+0xb5/0x140 [ 38.088434] ? check_same_owner+0x320/0x320 [ 38.092755] ? rcu_note_context_switch+0x710/0x710 [ 38.097672] ? __raw_spin_lock_init+0x1c/0x100 [ 38.102252] __should_failslab+0x124/0x180 [ 38.106476] should_failslab+0x9/0x14 [ 38.110273] kmem_cache_alloc+0x2af/0x760 [ 38.114408] ? find_held_lock+0x36/0x1c0 [ 38.118456] __d_alloc+0xc0/0xd30 [ 38.121897] ? shrink_dcache_for_umount+0x290/0x290 [ 38.126902] ? put_dec+0x3b/0xf0 [ 38.130265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.135800] ? number+0x967/0xc90 [ 38.139243] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 38.143824] ? put_dec+0xf0/0xf0 [ 38.147176] ? format_decode+0x1a9/0xae0 [ 38.151223] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 38.156764] ? hashlen_string+0x1ea/0x2f0 [ 38.160910] d_alloc+0x8e/0x370 [ 38.164178] ? vsnprintf+0x242/0x1b40 [ 38.167963] ? __d_alloc+0xd30/0xd30 [ 38.171666] ? pointer+0xa20/0xa20 [ 38.175196] d_alloc_name+0xb3/0x110 [ 38.178901] ? put_itimerspec64+0x310/0x310 [ 38.183208] ? d_alloc+0x370/0x370 [ 38.186736] ? scnprintf+0x120/0x120 [ 38.190445] fuse_ctl_add_dentry+0x84/0x440 [ 38.194757] fuse_ctl_add_conn+0x12d/0x280 [ 38.198978] ? fuse_ctl_remove_conn+0x1b0/0x1b0 [ 38.203642] ? d_make_root+0x5f/0x90 [ 38.207343] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 38.212865] ? simple_fill_super+0x49d/0x600 [ 38.217257] ? fuse_ctl_add_conn+0x280/0x280 [ 38.221653] fuse_ctl_fill_super+0xf7/0x160 [ 38.225962] ? fuse_ctl_add_conn+0x280/0x280 [ 38.230368] mount_single+0xfb/0x170 [ 38.234077] fuse_ctl_mount+0x2c/0x40 [ 38.237876] mount_fs+0xae/0x328 [ 38.241238] vfs_kern_mount.part.34+0xd4/0x4d0 [ 38.245812] ? may_umount+0xb0/0xb0 [ 38.249439] ? _raw_read_unlock+0x22/0x30 [ 38.253589] ? __get_fs_type+0x97/0xc0 [ 38.257479] do_mount+0x564/0x3070 [ 38.261020] ? do_raw_spin_unlock+0x9e/0x2e0 [ 38.265425] ? copy_mount_string+0x40/0x40 [ 38.269646] ? rcu_pm_notify+0xc0/0xc0 [ 38.273521] ? copy_mount_options+0x5f/0x380 [ 38.277918] ? rcu_read_lock_sched_held+0x108/0x120 [ 38.282919] ? kmem_cache_alloc_trace+0x616/0x780 [ 38.287748] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 38.293285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.298808] ? copy_mount_options+0x285/0x380 [ 38.303291] ksys_mount+0x12d/0x140 [ 38.306917] __x64_sys_mount+0xbe/0x150 [ 38.310873] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 38.315878] do_syscall_64+0x1b1/0x800 [ 38.319753] ? syscall_return_slowpath+0x5c0/0x5c0 [ 38.324668] ? syscall_return_slowpath+0x30f/0x5c0 [ 38.329589] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 38.334948] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 38.339782] entry_SYSCALL_64_after_hwframe+0x49/0xbe executing program [ 38.344971] RIP: 0033:0x440579 [ 38.348145] RSP: 002b:00007ffe5dea3808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 38.355844] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440579 [ 38.363111] RDX: 00000000200002c0 RSI: 0000000020000280 RDI: 0000000020000240 [ 38.370366] RBP: 0030656c69662f2e R08: 0000000020000300 R09: 0000000000003833 [ 38.377621] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe5dea3810 [ 38.384876] R13: ffffffffffffffff R14: 006c746365737566 R15: 0000000000000040 [ 38.396780] FAULT_INJECTION: forcing a failure. [ 38.396780] name failslab, interval 1, probability 0, space 0, times 0 [ 38.408059] CPU: 0 PID: 4504 Comm: syz-executor777 Not tainted 4.17.0-rc2+ #19 [ 38.415407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.424920] Call Trace: [ 38.427496] dump_stack+0x1b9/0x294 [ 38.431110] ? dump_stack_print_info.cold.2+0x52/0x52 [ 38.436299] ? __lock_acquire+0x7f5/0x5140 [ 38.440527] ? print_usage_bug+0xc0/0xc0 [ 38.444579] ? print_usage_bug+0xc0/0xc0 [ 38.448627] should_fail.cold.4+0xa/0x1a [ 38.452677] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 38.457787] ? debug_check_no_locks_freed+0x310/0x310 [ 38.462967] ? lock_downgrade+0x8e0/0x8e0 [ 38.467106] ? graph_lock+0x170/0x170 [ 38.470889] ? __lock_acquire+0x7f5/0x5140 [ 38.475104] ? __lock_acquire+0x7f5/0x5140 [ 38.479322] ? rcu_is_watching+0x85/0x140 [ 38.483455] ? find_held_lock+0x36/0x1c0 [ 38.487509] ? __lock_is_held+0xb5/0x140 [ 38.491655] ? check_same_owner+0x320/0x320 [ 38.495981] ? rcu_note_context_switch+0x710/0x710 [ 38.500900] ? __raw_spin_lock_init+0x1c/0x100 [ 38.505467] __should_failslab+0x124/0x180 [ 38.509687] should_failslab+0x9/0x14 [ 38.513471] kmem_cache_alloc+0x2af/0x760 [ 38.517611] ? find_held_lock+0x36/0x1c0 [ 38.521658] __d_alloc+0xc0/0xd30 [ 38.525100] ? shrink_dcache_for_umount+0x290/0x290 [ 38.530450] ? put_dec+0x3b/0xf0 [ 38.533810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.539340] ? number+0x967/0xc90 [ 38.542779] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 38.547348] ? put_dec+0xf0/0xf0 [ 38.550698] ? format_decode+0x1a9/0xae0 [ 38.554752] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 38.560281] ? hashlen_string+0x1ea/0x2f0 [ 38.564430] d_alloc+0x8e/0x370 [ 38.567702] ? vsnprintf+0x242/0x1b40 [ 38.571487] ? __d_alloc+0xd30/0xd30 [ 38.575185] ? pointer+0xa20/0xa20 [ 38.578709] d_alloc_name+0xb3/0x110 [ 38.582415] ? put_itimerspec64+0x310/0x310 [ 38.586720] ? d_alloc+0x370/0x370 [ 38.590247] ? scnprintf+0x120/0x120 [ 38.593948] fuse_ctl_add_dentry+0x84/0x440 [ 38.598255] fuse_ctl_add_conn+0x12d/0x280 [ 38.602565] ? fuse_ctl_remove_conn+0x1b0/0x1b0 [ 38.607217] ? d_make_root+0x5f/0x90 [ 38.610921] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 38.616449] ? simple_fill_super+0x49d/0x600 [ 38.620845] ? fuse_ctl_add_conn+0x280/0x280 [ 38.625239] fuse_ctl_fill_super+0xf7/0x160 [ 38.629543] ? fuse_ctl_add_conn+0x280/0x280 [ 38.633945] mount_single+0xfb/0x170 [ 38.637651] fuse_ctl_mount+0x2c/0x40 [ 38.641460] mount_fs+0xae/0x328 [ 38.644821] vfs_kern_mount.part.34+0xd4/0x4d0 [ 38.649398] ? may_umount+0xb0/0xb0 [ 38.653017] ? _raw_read_unlock+0x22/0x30 [ 38.657171] ? __get_fs_type+0x97/0xc0 [ 38.661055] do_mount+0x564/0x3070 [ 38.664969] ? do_raw_spin_unlock+0x9e/0x2e0 [ 38.669367] ? copy_mount_string+0x40/0x40 [ 38.673592] ? rcu_pm_notify+0xc0/0xc0 [ 38.677471] ? copy_mount_options+0x5f/0x380 [ 38.681875] ? rcu_read_lock_sched_held+0x108/0x120 [ 38.686888] ? kmem_cache_alloc_trace+0x616/0x780 [ 38.691721] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 38.697251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.702793] ? copy_mount_options+0x285/0x380 [ 38.707274] ksys_mount+0x12d/0x140 [ 38.710888] __x64_sys_mount+0xbe/0x150 [ 38.714848] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 38.719859] do_syscall_64+0x1b1/0x800 [ 38.723821] ? syscall_return_slowpath+0x5c0/0x5c0 [ 38.728734] ? syscall_return_slowpath+0x30f/0x5c0 [ 38.733662] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 38.739033] ? trace_hardirqs_off_thunk+0x1a/0x1c executing program [ 38.743877] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.749059] RIP: 0033:0x440579 [ 38.752234] RSP: 002b:00007ffe5dea3808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 38.759941] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440579 [ 38.767200] RDX: 00000000200002c0 RSI: 0000000020000280 RDI: 0000000020000240 [ 38.774456] RBP: 0030656c69662f2e R08: 0000000020000300 R09: 0000000000003833 [ 38.781710] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe5dea3810 [ 38.788970] R13: ffffffffffffffff R14: 006c746365737566 R15: 0000000000000042 [ 38.800370] FAULT_INJECTION: forcing a failure. [ 38.800370] name failslab, interval 1, probability 0, space 0, times 0 [ 38.811760] CPU: 0 PID: 4504 Comm: syz-executor777 Not tainted 4.17.0-rc2+ #19 [ 38.819112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.828449] Call Trace: [ 38.831037] dump_stack+0x1b9/0x294 [ 38.834658] ? dump_stack_print_info.cold.2+0x52/0x52 [ 38.839836] should_fail.cold.4+0xa/0x1a [ 38.843886] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 38.848987] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 38.854003] ? __lockdep_init_map+0x105/0x590 [ 38.858509] ? graph_lock+0x170/0x170 [ 38.862299] ? d_set_d_op+0x31d/0x410 [ 38.866087] ? find_held_lock+0x36/0x1c0 [ 38.870136] ? __lock_is_held+0xb5/0x140 [ 38.874193] ? check_same_owner+0x320/0x320 [ 38.878505] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 38.883075] ? rcu_note_context_switch+0x710/0x710 [ 38.887994] ? kasan_check_write+0x14/0x20 [ 38.892231] __should_failslab+0x124/0x180 [ 38.896468] should_failslab+0x9/0x14 [ 38.900268] kmem_cache_alloc+0x2af/0x760 [ 38.904405] ? __d_alloc+0xd30/0xd30 [ 38.908111] alloc_inode+0xb2/0x190 [ 38.911736] new_inode_pseudo+0x69/0x1a0 [ 38.915789] ? prune_icache_sb+0x1a0/0x1a0 [ 38.920021] ? d_alloc+0x370/0x370 [ 38.923561] new_inode+0x1c/0x40 [ 38.926913] fuse_ctl_add_dentry+0xff/0x440 [ 38.931317] fuse_ctl_add_conn+0x165/0x280 [ 38.935536] ? fuse_ctl_remove_conn+0x1b0/0x1b0 [ 38.940194] ? d_make_root+0x5f/0x90 [ 38.943900] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 38.949511] ? simple_fill_super+0x49d/0x600 [ 38.953939] ? fuse_ctl_add_conn+0x280/0x280 [ 38.958332] fuse_ctl_fill_super+0xf7/0x160 [ 38.962637] ? fuse_ctl_add_conn+0x280/0x280 [ 38.967038] mount_single+0xfb/0x170 [ 38.970745] fuse_ctl_mount+0x2c/0x40 [ 38.974531] mount_fs+0xae/0x328 [ 38.977888] vfs_kern_mount.part.34+0xd4/0x4d0 [ 38.982453] ? may_umount+0xb0/0xb0 [ 38.986067] ? _raw_read_unlock+0x22/0x30 [ 38.990200] ? __get_fs_type+0x97/0xc0 [ 38.994075] do_mount+0x564/0x3070 [ 38.997599] ? copy_mount_string+0x40/0x40 [ 39.001815] ? rcu_pm_notify+0xc0/0xc0 [ 39.005785] ? copy_mount_options+0x5f/0x380 [ 39.010184] ? rcu_read_lock_sched_held+0x108/0x120 [ 39.015187] ? kmem_cache_alloc_trace+0x616/0x780 [ 39.020019] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 39.026261] ? _copy_from_user+0xdf/0x150 [ 39.030400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 39.035931] ? copy_mount_options+0x285/0x380 [ 39.040413] ksys_mount+0x12d/0x140 [ 39.044037] __x64_sys_mount+0xbe/0x150 [ 39.048015] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 39.053037] do_syscall_64+0x1b1/0x800 [ 39.056927] ? syscall_return_slowpath+0x5c0/0x5c0 [ 39.061846] ? syscall_return_slowpath+0x30f/0x5c0 [ 39.066767] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 39.072120] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 39.076950] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 39.082126] RIP: 0033:0x440579 [ 39.085309] RSP: 002b:00007ffe5dea3808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 39.093006] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440579 [ 39.100272] RDX: 00000000200002c0 RSI: 0000000020000280 RDI: 0000000020000240 [ 39.107530] RBP: 0030656c69662f2e R08: 0000000020000300 R09: 0000000000003833 [ 39.114886] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe5dea3810 [ 39.122149] R13: ffffffffffffffff R14: 006c746365737566 R15: 0000000000000044 [ 39.129599] kasan: CONFIG_KASAN_INLINE enabled [ 39.134345] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 39.141745] general protection fault: 0000 [#1] SMP KASAN [ 39.147291] Dumping ftrace buffer: [ 39.150815] (ftrace buffer empty) [ 39.154504] Modules linked in: [ 39.157687] CPU: 0 PID: 4504 Comm: syz-executor777 Not tainted 4.17.0-rc2+ #19 [ 39.165037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.174400] RIP: 0010:fuse_ctl_remove_conn+0xc8/0x1b0 [ 39.179573] RSP: 0018:ffff8801b0ee7968 EFLAGS: 00010202 [ 39.184922] RAX: 0000000000000075 RBX: ffff8801ac6dc2c0 RCX: ffffffff82645bb7 [ 39.192192] RDX: 0000000000000000 RSI: ffffffff82645bda RDI: 00000000000003a8 [ 39.199450] RBP: ffff8801b0ee7990 R08: ffff8801b1cd2740 R09: ffffed003b5c46c2 [ 39.206702] R10: ffffed003b5c46c2 R11: ffff8801dae23613 R12: 0000000000000001 [ 39.213966] R13: ffff8801d0bb5410 R14: dffffc0000000000 R15: 0000000000000000 [ 39.221218] FS: 00000000026bc880(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 [ 39.229427] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.235311] CR2: 0000000001471000 CR3: 00000001b1137000 CR4: 00000000001406f0 [ 39.242568] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 39.249832] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 39.257081] Call Trace: [ 39.259679] fuse_ctl_add_conn+0x261/0x280 [ 39.263897] ? fuse_ctl_remove_conn+0x1b0/0x1b0 [ 39.269168] ? d_make_root+0x5f/0x90 [ 39.272870] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 39.278390] ? simple_fill_super+0x49d/0x600 [ 39.282780] ? fuse_ctl_add_conn+0x280/0x280 [ 39.287172] fuse_ctl_fill_super+0xf7/0x160 [ 39.291487] ? fuse_ctl_add_conn+0x280/0x280 [ 39.295882] mount_single+0xfb/0x170 [ 39.299580] fuse_ctl_mount+0x2c/0x40 [ 39.303363] mount_fs+0xae/0x328 [ 39.306710] vfs_kern_mount.part.34+0xd4/0x4d0 [ 39.311276] ? may_umount+0xb0/0xb0 [ 39.314886] ? _raw_read_unlock+0x22/0x30 [ 39.319034] ? __get_fs_type+0x97/0xc0 [ 39.322907] do_mount+0x564/0x3070 [ 39.326445] ? copy_mount_string+0x40/0x40 [ 39.330664] ? rcu_pm_notify+0xc0/0xc0 [ 39.334540] ? copy_mount_options+0x5f/0x380 [ 39.338942] ? rcu_read_lock_sched_held+0x108/0x120 [ 39.343950] ? kmem_cache_alloc_trace+0x616/0x780 [ 39.348775] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 39.354297] ? _copy_from_user+0xdf/0x150 [ 39.358428] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 39.363956] ? copy_mount_options+0x285/0x380 [ 39.368431] ksys_mount+0x12d/0x140 [ 39.372047] __x64_sys_mount+0xbe/0x150 [ 39.376012] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 39.381029] do_syscall_64+0x1b1/0x800 [ 39.384917] ? syscall_return_slowpath+0x5c0/0x5c0 [ 39.389839] ? syscall_return_slowpath+0x30f/0x5c0 [ 39.394755] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 39.400108] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 39.404934] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 39.410105] RIP: 0033:0x440579 [ 39.413302] RSP: 002b:00007ffe5dea3808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 39.421001] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440579 [ 39.428271] RDX: 00000000200002c0 RSI: 0000000020000280 RDI: 0000000020000240 [ 39.435526] RBP: 0030656c69662f2e R08: 0000000020000300 R09: 0000000000003833 [ 39.442779] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe5dea3810 [ 39.450051] R13: ffffffffffffffff R14: 006c746365737566 R15: 0000000000000044 [ 39.457308] Code: 8b 5d 00 48 8d 7b 58 48 89 f8 48 c1 e8 03 42 80 3c 30 00 0f 85 cc 00 00 00 4c 8b 7b 58 49 8d bf a8 03 00 00 48 89 f8 48 c1 e8 03 <42> 80 3c 30 00 0f 85 a5 00 00 00 48 89 df 41 83 ec 01 49 83 ed [ 39.476547] RIP: fuse_ctl_remove_conn+0xc8/0x1b0 RSP: ffff8801b0ee7968 [ 39.483248] ---[ end trace d64f1dab46c839a5 ]--- [ 39.488563] Kernel panic - not syncing: Fatal exception [ 39.494531] Dumping ftrace buffer: [ 39.498068] (ftrace buffer empty) [ 39.501759] Kernel Offset: disabled [ 39.505364] Rebooting in 86400 seconds..