[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 18.228274] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 23.137583] random: sshd: uninitialized urandom read (32 bytes read) [ 23.410655] random: sshd: uninitialized urandom read (32 bytes read) [ 24.173627] random: sshd: uninitialized urandom read (32 bytes read) [ 43.252703] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.10.29' (ECDSA) to the list of known hosts. [ 48.718794] random: sshd: uninitialized urandom read (32 bytes read) 2018/05/16 00:16:51 parsed 1 programs 2018/05/16 00:16:51 executed programs: 0 [ 49.242431] IPVS: ftp: loaded support on port[0] = 21 [ 49.255259] IPVS: ftp: loaded support on port[0] = 21 [ 49.256667] IPVS: ftp: loaded support on port[0] = 21 [ 49.268372] IPVS: ftp: loaded support on port[0] = 21 [ 49.277479] IPVS: ftp: loaded support on port[0] = 21 [ 49.278540] IPVS: ftp: loaded support on port[0] = 21 [ 49.285410] IPVS: ftp: loaded support on port[0] = 21 [ 49.322243] IPVS: ftp: loaded support on port[0] = 21 [ 49.454544] FAULT_INJECTION: forcing a failure. [ 49.454544] name failslab, interval 1, probability 0, space 0, times 1 [ 49.466107] CPU: 0 PID: 4487 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #52 [ 49.473284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.482723] Call Trace: [ 49.485327] dump_stack+0x1b9/0x294 [ 49.488647] FAULT_INJECTION: forcing a failure. [ 49.488647] name failslab, interval 1, probability 0, space 0, times 1 [ 49.489053] ? dump_stack_print_info.cold.2+0x52/0x52 [ 49.489084] ? d_add+0x605/0xa10 [ 49.489101] ? lock_downgrade+0x8e0/0x8e0 [ 49.513141] should_fail.cold.4+0xa/0x1a [ 49.517203] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 49.522300] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 49.527306] ? graph_lock+0x170/0x170 [ 49.531093] ? __lockdep_init_map+0x105/0x590 [ 49.535865] ? find_held_lock+0x36/0x1c0 [ 49.539926] ? __lock_is_held+0xb5/0x140 [ 49.544076] ? check_same_owner+0x320/0x320 [ 49.548401] ? rcu_note_context_switch+0x710/0x710 [ 49.553449] __should_failslab+0x124/0x180 [ 49.557678] should_failslab+0x9/0x14 [ 49.561476] kmem_cache_alloc+0x2af/0x760 [ 49.565614] alloc_inode+0xb2/0x190 [ 49.569229] new_inode_pseudo+0x69/0x1a0 [ 49.573280] ? prune_icache_sb+0x1a0/0x1a0 [ 49.577537] ? down_read+0x1b0/0x1b0 [ 49.581354] ? mntput+0x74/0xa0 [ 49.584636] new_inode+0x1c/0x40 [ 49.588009] debugfs_get_inode+0x19/0x120 [ 49.592169] __debugfs_create_file+0xb5/0x400 [ 49.597112] debugfs_create_file+0x57/0x70 [ 49.601568] bdi_register_va.part.10+0x365/0x9b0 [ 49.606337] ? cgwb_kill+0x630/0x630 [ 49.610051] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.615596] ? bdi_init+0x416/0x510 [ 49.619234] ? wb_init+0x9e0/0x9e0 [ 49.622764] ? bdi_alloc_node+0x67/0xe0 [ 49.626727] ? bdi_alloc_node+0x67/0xe0 [ 49.630710] ? rcu_read_lock_sched_held+0x108/0x120 [ 49.635993] ? kmem_cache_alloc_node_trace+0x34e/0x770 [ 49.641307] ? _raw_spin_unlock+0x22/0x30 [ 49.645475] bdi_register_va+0x68/0x80 [ 49.649354] super_setup_bdi_name+0x123/0x220 [ 49.653835] ? kill_block_super+0x100/0x100 [ 49.658162] ? kmem_cache_alloc_trace+0x616/0x780 [ 49.662999] ? match_wildcard+0x3c0/0x3c0 [ 49.667138] ? trace_hardirqs_on+0xd/0x10 [ 49.671292] fuse_fill_super+0xe6e/0x1e20 [ 49.675440] ? fuse_get_root_inode+0x190/0x190 [ 49.680016] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 49.685036] ? kasan_check_read+0x11/0x20 [ 49.689195] ? cap_capable+0x1f9/0x260 [ 49.693097] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.698626] ? security_capable+0x99/0xc0 [ 49.702766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.708300] ? ns_capable_common+0x13f/0x170 [ 49.712709] ? get_anon_bdev+0x2f0/0x2f0 [ 49.716778] ? sget+0x113/0x150 [ 49.720051] ? fuse_get_root_inode+0x190/0x190 [ 49.724628] mount_nodev+0x6b/0x110 [ 49.728244] fuse_mount+0x2c/0x40 [ 49.731695] mount_fs+0xae/0x328 [ 49.735052] vfs_kern_mount.part.34+0xd4/0x4d0 [ 49.739624] ? may_umount+0xb0/0xb0 [ 49.743236] ? _raw_read_unlock+0x22/0x30 [ 49.747372] ? __get_fs_type+0x97/0xc0 [ 49.751256] do_mount+0x564/0x3070 [ 49.754805] ? do_raw_spin_unlock+0x9e/0x2e0 [ 49.759203] ? copy_mount_string+0x40/0x40 [ 49.763425] ? rcu_pm_notify+0xc0/0xc0 [ 49.767475] ? copy_mount_options+0x5f/0x380 [ 49.772063] ? rcu_read_lock_sched_held+0x108/0x120 [ 49.777082] ? kmem_cache_alloc_trace+0x616/0x780 [ 49.781917] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 49.787456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.792988] ? copy_mount_options+0x285/0x380 [ 49.797488] ksys_mount+0x12d/0x140 [ 49.801104] __x64_sys_mount+0xbe/0x150 [ 49.805064] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 49.810078] do_syscall_64+0x1b1/0x800 [ 49.813955] ? syscall_return_slowpath+0x5c0/0x5c0 [ 49.818870] ? syscall_return_slowpath+0x30f/0x5c0 [ 49.823795] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.829321] ? retint_user+0x18/0x18 [ 49.833024] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.837867] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 49.843047] RIP: 0033:0x455a09 [ 49.846221] RSP: 002b:00007ffe250dc428 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 49.853928] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000455a09 [ 49.861187] RDX: 00000000004c1eb6 RSI: 00000000200001c0 RDI: 00000000004de0c5 [ 49.868442] RBP: 0000000000000000 R08: 00007ffe250dc440 R09: 0000000000000000 [ 49.875696] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 49.882955] R13: 00000000200001c0 R14: 0000000000000000 R15: 0000000000000000 [ 49.890232] CPU: 1 PID: 4488 Comm: syz-executor4 Not tainted 4.17.0-rc5+ #52 [ 49.897447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.899006] FAULT_INJECTION: forcing a failure. [ 49.899006] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 49.906793] Call Trace: [ 49.906816] dump_stack+0x1b9/0x294 [ 49.906827] ? dump_stack_print_info.cold.2+0x52/0x52 [ 49.906837] ? lock_release+0xa10/0xa10 [ 49.906860] should_fail.cold.4+0xa/0x1a [ 49.938103] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 49.943197] ? lock_downgrade+0x8e0/0x8e0 [ 49.947332] ? find_held_lock+0x36/0x1c0 [ 49.951378] ? graph_lock+0x170/0x170 [ 49.955168] ? lock_acquire+0x1dc/0x520 [ 49.959127] ? lock_downgrade+0x8e0/0x8e0 [ 49.963267] ? percpu_ref_tryget_live+0x14e/0x300 [ 49.968102] ? find_held_lock+0x36/0x1c0 [ 49.972153] ? lock_downgrade+0x8e0/0x8e0 [ 49.976496] __should_failslab+0x124/0x180 [ 49.980723] should_failslab+0x9/0x14 [ 49.984510] kmem_cache_alloc_trace+0x4b/0x780 [ 49.989085] memcg_kmem_get_cache+0x474/0x870 [ 49.993593] ? mem_cgroup_handle_over_high+0x130/0x130 [ 49.999132] ? check_same_owner+0x320/0x320 [ 50.003439] ? graph_lock+0x170/0x170 [ 50.007226] ? rcu_note_context_switch+0x710/0x710 [ 50.012145] ? __should_failslab+0x12b/0x180 [ 50.016548] kmem_cache_alloc+0x18a/0x760 [ 50.020694] ? find_held_lock+0x36/0x1c0 [ 50.024747] fuse_alloc_inode+0x96/0x4f0 [ 50.028806] ? fuse_dev_alloc+0x4e0/0x4e0 [ 50.032950] ? lock_downgrade+0x8e0/0x8e0 [ 50.037087] ? kasan_check_read+0x11/0x20 [ 50.041230] ? do_raw_spin_unlock+0x9e/0x2e0 [ 50.045625] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 50.050193] ? kasan_check_write+0x14/0x20 [ 50.054422] ? find_inode.isra.19+0xc3/0x1d0 [ 50.058817] ? fuse_dev_alloc+0x4e0/0x4e0 [ 50.062951] alloc_inode+0x63/0x190 [ 50.066576] iget5_locked+0x20e/0x570 [ 50.070363] ? fuse_inode_eq+0x80/0x80 [ 50.074241] ? fuse_init_file_inode+0x70/0x70 [ 50.078728] ? inode_lru_isolate+0x580/0x580 [ 50.083127] ? cgwb_kill+0x630/0x630 [ 50.086833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.092358] ? print_usage_bug+0xc0/0xc0 [ 50.096410] fuse_iget+0x1cc/0x820 [ 50.099942] ? fuse_change_attributes+0x810/0x810 [ 50.104790] ? _raw_spin_unlock+0x22/0x30 [ 50.108941] fuse_get_root_inode+0x121/0x190 [ 50.113344] ? fuse_iget+0x820/0x820 [ 50.117055] ? _raw_spin_unlock_bh+0x30/0x40 [ 50.121456] ? bdi_set_max_ratio+0x112/0x150 [ 50.125854] fuse_fill_super+0x11e0/0x1e20 [ 50.130192] ? fuse_get_root_inode+0x190/0x190 [ 50.134768] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 50.139776] ? kasan_check_read+0x11/0x20 [ 50.143913] ? cap_capable+0x1f9/0x260 [ 50.147795] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.153334] ? security_capable+0x99/0xc0 [ 50.157486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.164051] ? ns_capable_common+0x13f/0x170 [ 50.168472] ? get_anon_bdev+0x2f0/0x2f0 [ 50.172517] ? sget+0x113/0x150 [ 50.175810] ? fuse_get_root_inode+0x190/0x190 [ 50.180490] mount_nodev+0x6b/0x110 [ 50.184115] fuse_mount+0x2c/0x40 [ 50.187566] mount_fs+0xae/0x328 [ 50.190922] vfs_kern_mount.part.34+0xd4/0x4d0 [ 50.195490] ? may_umount+0xb0/0xb0 [ 50.199103] ? _raw_read_unlock+0x22/0x30 [ 50.203239] ? __get_fs_type+0x97/0xc0 [ 50.207129] do_mount+0x564/0x3070 [ 50.210669] ? do_raw_spin_unlock+0x9e/0x2e0 [ 50.215067] ? copy_mount_string+0x40/0x40 [ 50.219300] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 50.224311] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 50.229076] ? retint_kernel+0x10/0x10 [ 50.232968] ? copy_mount_options+0x1e3/0x380 [ 50.237450] ? copy_mount_options+0x1f0/0x380 [ 50.241946] ? copy_mount_options+0x1fa/0x380 [ 50.246456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.251993] ? copy_mount_options+0x285/0x380 [ 50.256476] ksys_mount+0x12d/0x140 [ 50.260091] __x64_sys_mount+0xbe/0x150 [ 50.264054] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 50.269063] do_syscall_64+0x1b1/0x800 [ 50.272939] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 50.277776] ? syscall_return_slowpath+0x5c0/0x5c0 [ 50.282695] ? syscall_return_slowpath+0x30f/0x5c0 [ 50.287618] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 50.292982] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.297812] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.303073] RIP: 0033:0x455a09 [ 50.307205] RSP: 002b:00007ffd3177ea78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 50.314901] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000455a09 [ 50.322156] RDX: 00000000004c1eb6 RSI: 00000000200001c0 RDI: 00000000004de0c5 [ 50.329415] RBP: 0000000000000000 R08: 00007ffd3177ea90 R09: 0000000000000000 [ 50.336672] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 50.343941] R13: 00000000200001c0 R14: 0000000000000000 R15: 0000000000000000 [ 50.351219] CPU: 0 PID: 4490 Comm: syz-executor1 Not tainted 4.17.0-rc5+ #52 [ 50.358431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.367778] Call Trace: [ 50.370374] dump_stack+0x1b9/0x294 [ 50.373993] ? dump_stack_print_info.cold.2+0x52/0x52 [ 50.379012] FAULT_INJECTION: forcing a failure. [ 50.379012] name failslab, interval 1, probability 0, space 0, times 0 [ 50.379186] should_fail.cold.4+0xa/0x1a [ 50.394439] ? do_mount+0x564/0x3070 [ 50.398152] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 50.403267] ? debug_check_no_locks_freed+0x310/0x310 [ 50.408448] ? __lock_acquire+0x7f5/0x5140 [ 50.413280] ? __lock_acquire+0x7f5/0x5140 [ 50.417505] ? graph_lock+0x170/0x170 [ 50.421554] ? debug_check_no_locks_freed+0x310/0x310 [ 50.426757] __alloc_pages_nodemask+0x34e/0xd70 [ 50.431425] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 50.436436] ? kasan_check_read+0x11/0x20 [ 50.440584] ? rcu_is_watching+0x85/0x140 [ 50.444741] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 50.449924] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 50.455115] ? __unwind_start+0x166/0x330 [ 50.459255] ? __kernel_text_address+0xd/0x40 [ 50.463744] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 50.469536] alloc_pages_current+0x10c/0x210 [ 50.473939] depot_save_stack+0x3d8/0x450 [ 50.478077] save_stack+0xa9/0xd0 [ 50.481521] ? save_stack+0x43/0xd0 [ 50.485147] ? kasan_kmalloc+0xc4/0xe0 [ 50.489031] ? kmem_cache_alloc_trace+0x152/0x780 [ 50.493857] ? memcg_kmem_get_cache+0x474/0x870 [ 50.498508] ? kmem_cache_alloc+0x18a/0x760 [ 50.502812] ? fuse_alloc_inode+0x96/0x4f0 [ 50.507033] ? alloc_inode+0x63/0x190 [ 50.510816] ? iget5_locked+0x20e/0x570 [ 50.514774] ? fuse_iget+0x1cc/0x820 [ 50.518472] ? fuse_get_root_inode+0x121/0x190 [ 50.523034] ? fuse_fill_super+0x11e0/0x1e20 [ 50.527436] ? mount_nodev+0x6b/0x110 [ 50.531219] ? fuse_mount+0x2c/0x40 [ 50.534832] ? mount_fs+0xae/0x328 [ 50.538354] ? vfs_kern_mount.part.34+0xd4/0x4d0 [ 50.543092] ? do_mount+0x564/0x3070 [ 50.546793] ? ksys_mount+0x12d/0x140 [ 50.550576] ? __x64_sys_mount+0xbe/0x150 [ 50.554710] ? do_syscall_64+0x1b1/0x800 [ 50.558754] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.564106] ? lock_acquire+0x1dc/0x520 [ 50.568062] ? print_usage_bug+0xc0/0xc0 [ 50.572116] ? lock_downgrade+0x8e0/0x8e0 [ 50.576256] ? percpu_ref_tryget_live+0x14e/0x300 [ 50.581082] ? find_held_lock+0x36/0x1c0 [ 50.585135] ? mark_held_locks+0xc9/0x160 [ 50.589265] ? kasan_unpoison_shadow+0x35/0x50 [ 50.593832] ? kasan_unpoison_shadow+0x35/0x50 [ 50.598396] kasan_kmalloc+0xc4/0xe0 [ 50.602094] kmem_cache_alloc_trace+0x152/0x780 [ 50.606754] memcg_kmem_get_cache+0x474/0x870 [ 50.611234] ? mem_cgroup_handle_over_high+0x130/0x130 [ 50.616503] ? check_same_owner+0x320/0x320 [ 50.620808] ? graph_lock+0x170/0x170 [ 50.624595] ? rcu_note_context_switch+0x710/0x710 [ 50.629506] ? __should_failslab+0x12b/0x180 [ 50.633897] kmem_cache_alloc+0x18a/0x760 [ 50.638028] ? find_held_lock+0x36/0x1c0 [ 50.642076] fuse_alloc_inode+0x96/0x4f0 [ 50.646124] ? fuse_dev_alloc+0x4e0/0x4e0 [ 50.650261] ? lock_downgrade+0x8e0/0x8e0 [ 50.654395] ? kasan_check_read+0x11/0x20 [ 50.658525] ? do_raw_spin_unlock+0x9e/0x2e0 [ 50.662919] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 50.667486] ? kasan_check_write+0x14/0x20 [ 50.671821] ? find_inode.isra.19+0xc3/0x1d0 [ 50.676228] ? fuse_dev_alloc+0x4e0/0x4e0 [ 50.680367] alloc_inode+0x63/0x190 [ 50.683981] iget5_locked+0x20e/0x570 [ 50.687762] ? fuse_inode_eq+0x80/0x80 [ 50.691635] ? fuse_init_file_inode+0x70/0x70 [ 50.696116] ? inode_lru_isolate+0x580/0x580 [ 50.700514] ? cgwb_kill+0x630/0x630 [ 50.704219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.709743] ? print_usage_bug+0xc0/0xc0 [ 50.713789] fuse_iget+0x1cc/0x820 [ 50.717322] ? fuse_change_attributes+0x810/0x810 [ 50.722159] ? _raw_spin_unlock+0x22/0x30 [ 50.726296] fuse_get_root_inode+0x121/0x190 [ 50.730692] ? fuse_iget+0x820/0x820 [ 50.734391] ? _raw_spin_unlock_bh+0x30/0x40 [ 50.738796] ? bdi_set_max_ratio+0x112/0x150 [ 50.743188] fuse_fill_super+0x11e0/0x1e20 [ 50.747410] ? fuse_get_root_inode+0x190/0x190 [ 50.751991] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 50.756997] ? kasan_check_read+0x11/0x20 [ 50.761132] ? cap_capable+0x1f9/0x260 [ 50.765008] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.770537] ? security_capable+0x99/0xc0 [ 50.774672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.780195] ? ns_capable_common+0x13f/0x170 [ 50.784598] ? get_anon_bdev+0x2f0/0x2f0 [ 50.788641] ? sget+0x113/0x150 [ 50.791909] ? fuse_get_root_inode+0x190/0x190 [ 50.796482] mount_nodev+0x6b/0x110 [ 50.800103] fuse_mount+0x2c/0x40 [ 50.803542] mount_fs+0xae/0x328 [ 50.806893] vfs_kern_mount.part.34+0xd4/0x4d0 [ 50.811457] ? may_umount+0xb0/0xb0 [ 50.815074] ? _raw_read_unlock+0x22/0x30 [ 50.819212] ? __get_fs_type+0x97/0xc0 [ 50.823104] do_mount+0x564/0x3070 [ 50.826630] ? do_raw_spin_unlock+0x9e/0x2e0 [ 50.831023] ? copy_mount_string+0x40/0x40 [ 50.835242] ? rcu_pm_notify+0xc0/0xc0 [ 50.839125] ? copy_mount_options+0x5f/0x380 [ 50.843519] ? rcu_read_lock_sched_held+0x108/0x120 [ 50.848524] ? kmem_cache_alloc_trace+0x616/0x780 [ 50.853367] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 50.858902] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.864424] ? copy_mount_options+0x285/0x380 [ 50.868928] ksys_mount+0x12d/0x140 [ 50.872540] __x64_sys_mount+0xbe/0x150 [ 50.876494] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 50.881497] do_syscall_64+0x1b1/0x800 [ 50.885367] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 50.890196] ? syscall_return_slowpath+0x5c0/0x5c0 [ 50.895116] ? syscall_return_slowpath+0x30f/0x5c0 [ 50.900032] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 50.905383] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.910211] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.915391] RIP: 0033:0x455a09 [ 50.918567] RSP: 002b:00007fff6945ab88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 50.926256] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000455a09 [ 50.933516] RDX: 00000000004c1eb6 RSI: 00000000200001c0 RDI: 00000000004de0c5 [ 50.940770] RBP: 0000000000000000 R08: 00007fff6945aba0 R09: 0000000000000000 [ 50.948021] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 50.955280] R13: 00000000200001c0 R14: 0000000000000000 R15: 0000000000000000 [ 50.962560] CPU: 1 PID: 4493 Comm: syz-executor3 Not tainted 4.17.0-rc5+ #52 [ 50.970727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.972583] FAULT_INJECTION: forcing a failure. [ 50.972583] name failslab, interval 1, probability 0, space 0, times 0 [ 50.980073] Call Trace: [ 50.980096] dump_stack+0x1b9/0x294 [ 50.980107] ? dump_stack_print_info.cold.2+0x52/0x52 [ 50.980118] ? d_add+0x605/0xa10 [ 50.980136] ? lock_downgrade+0x8e0/0x8e0 [ 51.011017] ? __kernel_text_address+0xd/0x40 [ 51.015510] should_fail.cold.4+0xa/0x1a [ 51.019565] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 51.024668] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 51.029681] ? graph_lock+0x170/0x170 [ 51.033466] ? __lockdep_init_map+0x105/0x590 [ 51.037961] ? find_held_lock+0x36/0x1c0 [ 51.042031] ? __lock_is_held+0xb5/0x140 [ 51.046112] ? check_same_owner+0x320/0x320 [ 51.050439] ? rcu_note_context_switch+0x710/0x710 [ 51.055383] __should_failslab+0x124/0x180 [ 51.059618] should_failslab+0x9/0x14 [ 51.063419] kmem_cache_alloc+0x2af/0x760 [ 51.067574] alloc_inode+0xb2/0x190 [ 51.071199] new_inode_pseudo+0x69/0x1a0 [ 51.075261] ? prune_icache_sb+0x1a0/0x1a0 [ 51.079509] ? down_read+0x1b0/0x1b0 [ 51.083217] ? mntput+0x74/0xa0 [ 51.086495] new_inode+0x1c/0x40 [ 51.089859] debugfs_get_inode+0x19/0x120 [ 51.094009] __debugfs_create_file+0xb5/0x400 [ 51.098511] debugfs_create_file+0x57/0x70 [ 51.102748] bdi_register_va.part.10+0x365/0x9b0 [ 51.107505] ? cgwb_kill+0x630/0x630 [ 51.111227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.116761] ? bdi_init+0x416/0x510 [ 51.120383] ? wb_init+0x9e0/0x9e0 [ 51.123928] ? bdi_alloc_node+0x67/0xe0 [ 51.127900] ? bdi_alloc_node+0x67/0xe0 [ 51.131886] ? rcu_read_lock_sched_held+0x108/0x120 [ 51.136901] ? kmem_cache_alloc_node_trace+0x34e/0x770 [ 51.142182] ? _raw_spin_unlock+0x22/0x30 [ 51.146342] bdi_register_va+0x68/0x80 [ 51.150237] super_setup_bdi_name+0x123/0x220 [ 51.154732] ? kill_block_super+0x100/0x100 [ 51.159057] ? kmem_cache_alloc_trace+0x616/0x780 [ 51.163897] ? match_wildcard+0x3c0/0x3c0 [ 51.168049] ? trace_hardirqs_on+0xd/0x10 [ 51.172204] fuse_fill_super+0xe6e/0x1e20 [ 51.176360] ? fuse_get_root_inode+0x190/0x190 [ 51.181038] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 51.186060] ? kasan_check_read+0x11/0x20 [ 51.190216] ? cap_capable+0x1f9/0x260 [ 51.194117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.199656] ? security_capable+0x99/0xc0 [ 51.203822] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.209358] ? ns_capable_common+0x13f/0x170 [ 51.213782] ? get_anon_bdev+0x2f0/0x2f0 [ 51.217853] ? sget+0x113/0x150 [ 51.221129] ? fuse_get_root_inode+0x190/0x190 [ 51.225708] mount_nodev+0x6b/0x110 [ 51.229337] fuse_mount+0x2c/0x40 [ 51.232789] mount_fs+0xae/0x328 [ 51.236157] vfs_kern_mount.part.34+0xd4/0x4d0 [ 51.240741] ? may_umount+0xb0/0xb0 [ 51.244364] ? _raw_read_unlock+0x22/0x30 [ 51.248511] ? __get_fs_type+0x97/0xc0 [ 51.252402] do_mount+0x564/0x3070 [ 51.255945] ? do_raw_spin_unlock+0x9e/0x2e0 [ 51.260368] ? copy_mount_string+0x40/0x40 [ 51.264601] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 51.269613] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 51.274371] ? retint_kernel+0x10/0x10 [ 51.278265] ? copy_mount_options+0x1e3/0x380 [ 51.282756] ? copy_mount_options+0x1f0/0x380 [ 51.287246] ? copy_mount_options+0x1fa/0x380 [ 51.291741] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.297277] ? copy_mount_options+0x285/0x380 [ 51.301774] ksys_mount+0x12d/0x140 [ 51.305415] __x64_sys_mount+0xbe/0x150 [ 51.309387] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 51.314416] do_syscall_64+0x1b1/0x800 [ 51.318303] ? syscall_return_slowpath+0x5c0/0x5c0 [ 51.323231] ? syscall_return_slowpath+0x30f/0x5c0 [ 51.328174] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 51.333540] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.338399] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 51.343589] RIP: 0033:0x455a09 [ 51.346774] RSP: 002b:00007fff9e7cf7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 51.354482] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000455a09 [ 51.361751] RDX: 00000000004c1eb6 RSI: 00000000200001c0 RDI: 00000000004de0c5 [ 51.369018] RBP: 0000000000000000 R08: 00007fff9e7cf7f0 R09: 0000000000000000 [ 51.376283] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 51.383549] R13: 00000000200001c0 R14: 0000000000000000 R15: 0000000000000000 [ 51.390854] CPU: 0 PID: 4492 Comm: syz-executor7 Not tainted 4.17.0-rc5+ #52 [ 51.398056] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.407418] Call Trace: [ 51.410023] dump_stack+0x1b9/0x294 [ 51.413674] ? dump_stack_print_info.cold.2+0x52/0x52 [ 51.415143] FAULT_INJECTION: forcing a failure. [ 51.415143] name failslab, interval 1, probability 0, space 0, times 0 [ 51.418891] should_fail.cold.4+0xa/0x1a [ 51.418907] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 51.418923] ? lock_downgrade+0x8e0/0x8e0 [ 51.418943] ? find_held_lock+0x36/0x1c0 [ 51.447419] ? graph_lock+0x170/0x170 [ 51.451221] ? lock_acquire+0x1dc/0x520 [ 51.455201] ? lock_downgrade+0x8e0/0x8e0 [ 51.459352] ? percpu_ref_tryget_live+0x14e/0x300 [ 51.464195] ? find_held_lock+0x36/0x1c0 [ 51.468258] ? lock_downgrade+0x8e0/0x8e0 [ 51.472411] __should_failslab+0x124/0x180 [ 51.476650] should_failslab+0x9/0x14 [ 51.480448] kmem_cache_alloc_trace+0x4b/0x780 [ 51.485035] memcg_kmem_get_cache+0x474/0x870 [ 51.489533] ? mem_cgroup_handle_over_high+0x130/0x130 [ 51.494834] ? check_same_owner+0x320/0x320 [ 51.499161] ? graph_lock+0x170/0x170 [ 51.502965] ? rcu_note_context_switch+0x710/0x710 [ 51.507894] ? __should_failslab+0x12b/0x180 [ 51.512302] kmem_cache_alloc+0x18a/0x760 [ 51.516446] ? find_held_lock+0x36/0x1c0 [ 51.520516] fuse_alloc_inode+0x96/0x4f0 [ 51.524575] ? fuse_dev_alloc+0x4e0/0x4e0 [ 51.528726] ? lock_downgrade+0x8e0/0x8e0 [ 51.532886] ? kasan_check_read+0x11/0x20 [ 51.537034] ? do_raw_spin_unlock+0x9e/0x2e0 [ 51.541464] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 51.546051] ? kasan_check_write+0x14/0x20 [ 51.550287] ? find_inode.isra.19+0xc3/0x1d0 [ 51.554696] ? fuse_dev_alloc+0x4e0/0x4e0 [ 51.558841] alloc_inode+0x63/0x190 [ 51.562467] iget5_locked+0x20e/0x570 [ 51.566264] ? fuse_inode_eq+0x80/0x80 [ 51.570149] ? fuse_init_file_inode+0x70/0x70 [ 51.574643] ? inode_lru_isolate+0x580/0x580 [ 51.579049] ? cgwb_kill+0x630/0x630 [ 51.582768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.588305] ? print_usage_bug+0xc0/0xc0 [ 51.592375] fuse_iget+0x1cc/0x820 [ 51.595922] ? fuse_change_attributes+0x810/0x810 [ 51.600762] ? _raw_spin_unlock+0x22/0x30 [ 51.604910] fuse_get_root_inode+0x121/0x190 [ 51.609312] ? fuse_iget+0x820/0x820 [ 51.613031] ? _raw_spin_unlock_bh+0x30/0x40 [ 51.617453] ? bdi_set_max_ratio+0x112/0x150 [ 51.621862] fuse_fill_super+0x11e0/0x1e20 [ 51.626099] ? fuse_get_root_inode+0x190/0x190 [ 51.630681] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 51.635699] ? kasan_check_read+0x11/0x20 [ 51.639850] ? cap_capable+0x1f9/0x260 [ 51.643740] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.649274] ? security_capable+0x99/0xc0 [ 51.653447] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.658981] ? ns_capable_common+0x13f/0x170 [ 51.663388] ? get_anon_bdev+0x2f0/0x2f0 [ 51.668516] ? sget+0x113/0x150 [ 51.671795] ? fuse_get_root_inode+0x190/0x190 [ 51.676373] mount_nodev+0x6b/0x110 [ 51.679996] fuse_mount+0x2c/0x40 [ 51.683450] mount_fs+0xae/0x328 [ 51.686818] vfs_kern_mount.part.34+0xd4/0x4d0 [ 51.691410] ? may_umount+0xb0/0xb0 [ 51.695036] ? _raw_read_unlock+0x22/0x30 [ 51.699179] ? __get_fs_type+0x97/0xc0 [ 51.703064] do_mount+0x564/0x3070 [ 51.706601] ? do_raw_spin_unlock+0x9e/0x2e0 [ 51.711005] ? copy_mount_string+0x40/0x40 [ 51.715234] ? rcu_pm_notify+0xc0/0xc0 [ 51.719126] ? copy_mount_options+0x5f/0x380 [ 51.723535] ? rcu_read_lock_sched_held+0x108/0x120 [ 51.728554] ? kmem_cache_alloc_trace+0x616/0x780 [ 51.733404] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 51.738944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.744481] ? copy_mount_options+0x285/0x380 [ 51.748980] ksys_mount+0x12d/0x140 [ 51.752603] __x64_sys_mount+0xbe/0x150 [ 51.756575] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 51.761590] do_syscall_64+0x1b1/0x800 [ 51.765489] ? syscall_return_slowpath+0x5c0/0x5c0 [ 51.770426] ? syscall_return_slowpath+0x30f/0x5c0 [ 51.775359] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 51.780736] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.785579] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 51.790761] RIP: 0033:0x455a09 [ 51.793942] RSP: 002b:00007ffd8da72bc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 51.801661] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000455a09 [ 51.808923] RDX: 00000000004c1eb6 RSI: 00000000200001c0 RDI: 00000000004de0c5 [ 51.816184] RBP: 0000000000000000 R08: 00007ffd8da72be0 R09: 0000000000000000 [ 51.823450] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 51.830715] R13: 00000000200001c0 R14: 0000000000000000 R15: 0000000000000000 [ 51.838096] CPU: 1 PID: 4491 Comm: syz-executor5 Not tainted 4.17.0-rc5+ #52 [ 51.845302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.854660] Call Trace: [ 51.857268] dump_stack+0x1b9/0x294 [ 51.859067] FAULT_INJECTION: forcing a failure. [ 51.859067] name failslab, interval 1, probability 0, space 0, times 0 [ 51.860921] ? dump_stack_print_info.cold.2+0x52/0x52 [ 51.860943] ? lockdep_init_map+0x9/0x10 [ 51.881339] should_fail.cold.4+0xa/0x1a [ 51.885400] ? print_usage_bug+0xc0/0xc0 [ 51.889461] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 51.894568] ? graph_lock+0x170/0x170 [ 51.898372] ? find_held_lock+0x36/0x1c0 [ 51.902431] ? find_held_lock+0x36/0x1c0 [ 51.906497] ? __lock_is_held+0xb5/0x140 [ 51.910572] ? check_same_owner+0x320/0x320 [ 51.914886] ? make_kgid+0x23/0x30 [ 51.918426] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 51.923959] ? rcu_note_context_switch+0x710/0x710 [ 51.928886] __should_failslab+0x124/0x180 [ 51.933117] should_failslab+0x9/0x14 [ 51.936911] kmem_cache_alloc+0x2af/0x760 [ 51.941059] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 51.945637] ? kasan_check_write+0x14/0x20 [ 51.949869] ? do_raw_spin_lock+0xc1/0x200 [ 51.954104] __d_alloc+0xc0/0xd30 [ 51.957555] ? fuse_iget+0x1dd/0x820 [ 51.961276] ? shrink_dcache_for_umount+0x290/0x290 [ 51.966292] ? fuse_change_attributes+0x810/0x810 [ 51.971135] ? _raw_spin_unlock+0x22/0x30 [ 51.975288] ? fuse_get_root_inode+0x121/0x190 [ 51.979884] ? fuse_iget+0x820/0x820 [ 51.983606] d_make_root+0x42/0x90 [ 51.987156] fuse_fill_super+0x120e/0x1e20 [ 51.992396] ? fuse_get_root_inode+0x190/0x190 [ 51.996980] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 52.001999] ? kasan_check_read+0x11/0x20 [ 52.006154] ? cap_capable+0x1f9/0x260 [ 52.010043] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.015663] ? security_capable+0x99/0xc0 [ 52.019812] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.025347] ? ns_capable_common+0x13f/0x170 [ 52.029755] ? get_anon_bdev+0x2f0/0x2f0 [ 52.033809] ? sget+0x113/0x150 [ 52.037084] ? fuse_get_root_inode+0x190/0x190 [ 52.041661] mount_nodev+0x6b/0x110 [ 52.045285] fuse_mount+0x2c/0x40 [ 52.048743] mount_fs+0xae/0x328 [ 52.052107] vfs_kern_mount.part.34+0xd4/0x4d0 [ 52.056684] ? may_umount+0xb0/0xb0 [ 52.060308] ? _raw_read_unlock+0x22/0x30 [ 52.064449] ? __get_fs_type+0x97/0xc0 [ 52.068336] do_mount+0x564/0x3070 [ 52.071880] ? copy_mount_string+0x40/0x40 [ 52.076111] ? rcu_pm_notify+0xc0/0xc0 [ 52.080003] ? copy_mount_options+0x5f/0x380 [ 52.084408] ? rcu_read_lock_sched_held+0x108/0x120 [ 52.089418] ? kmem_cache_alloc_trace+0x616/0x780 [ 52.094263] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 52.099820] ? _copy_from_user+0xdf/0x150 [ 52.103967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.109513] ? copy_mount_options+0x285/0x380 [ 52.114021] ksys_mount+0x12d/0x140 [ 52.117657] __x64_sys_mount+0xbe/0x150 [ 52.121626] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 52.126645] do_syscall_64+0x1b1/0x800 [ 52.130530] ? syscall_return_slowpath+0x5c0/0x5c0 [ 52.135456] ? syscall_return_slowpath+0x30f/0x5c0 [ 52.140397] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 52.145759] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.150600] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 52.155783] RIP: 0033:0x455a09 [ 52.158969] RSP: 002b:00007ffcbe434098 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 52.166685] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000455a09 [ 52.173946] RDX: 00000000004c1eb6 RSI: 00000000200001c0 RDI: 00000000004de0c5 [ 52.181212] RBP: 0000000000000000 R08: 00007ffcbe4340b0 R09: 0000000000000000 [ 52.188476] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 52.195913] R13: 00000000200001c0 R14: 0000000000000000 R15: 0000000000000000 [ 52.203205] CPU: 0 PID: 4497 Comm: syz-executor6 Not tainted 4.17.0-rc5+ #52 [ 52.210409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.219771] Call Trace: [ 52.222376] dump_stack+0x1b9/0x294 [ 52.226022] ? dump_stack_print_info.cold.2+0x52/0x52 [ 52.231283] ? __save_stack_trace+0x7e/0xd0 [ 52.235626] should_fail.cold.4+0xa/0x1a [ 52.239702] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 52.244818] ? save_stack+0x43/0xd0 [ 52.248469] ? kasan_kmalloc+0xc4/0xe0 [ 52.252377] ? kasan_slab_alloc+0x12/0x20 [ 52.256560] ? kmem_cache_alloc+0x12e/0x760 [ 52.260895] ? fuse_alloc_inode+0x96/0x4f0 [ 52.265140] ? alloc_inode+0x63/0x190 [ 52.268948] ? iget5_locked+0x20e/0x570 [ 52.272939] ? graph_lock+0x170/0x170 [ 52.276762] ? print_usage_bug+0xc0/0xc0 [ 52.280836] ? vfs_kern_mount.part.34+0xd4/0x4d0 [ 52.285603] ? do_mount+0x564/0x3070 [ 52.289361] ? ksys_mount+0x12d/0x140 [ 52.293182] ? __x64_sys_mount+0xbe/0x150 [ 52.297350] ? find_held_lock+0x36/0x1c0 [ 52.301430] ? __lock_is_held+0xb5/0x140 [ 52.305697] ? check_same_owner+0x320/0x320 [ 52.310037] ? __mutex_init+0x1ef/0x280 [ 52.314027] ? rcu_note_context_switch+0x710/0x710 [ 52.318959] ? __ia32_sys_membarrier+0x150/0x150 [ 52.323707] __should_failslab+0x124/0x180 [ 52.327941] should_failslab+0x9/0x14 [ 52.331730] kmem_cache_alloc_trace+0x2cb/0x780 [ 52.336391] ? init_wait_entry+0x1b0/0x1b0 [ 52.340711] ? find_held_lock+0x36/0x1c0 [ 52.344775] fuse_alloc_inode+0x3ae/0x4f0 [ 52.348910] ? fuse_dev_alloc+0x4e0/0x4e0 [ 52.353049] ? lock_downgrade+0x8e0/0x8e0 [ 52.357189] ? kasan_check_read+0x11/0x20 [ 52.361327] ? do_raw_spin_unlock+0x9e/0x2e0 [ 52.365722] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 52.370292] ? kasan_check_write+0x14/0x20 [ 52.374542] ? find_inode.isra.19+0xc3/0x1d0 [ 52.378935] ? fuse_dev_alloc+0x4e0/0x4e0 [ 52.383069] alloc_inode+0x63/0x190 [ 52.386685] iget5_locked+0x20e/0x570 [ 52.390478] ? fuse_inode_eq+0x80/0x80 [ 52.394365] ? fuse_init_file_inode+0x70/0x70 [ 52.398850] ? inode_lru_isolate+0x580/0x580 [ 52.403245] ? cgwb_kill+0x630/0x630 [ 52.406957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.412491] ? print_usage_bug+0xc0/0xc0 [ 52.416560] fuse_iget+0x1cc/0x820 [ 52.420090] ? fuse_change_attributes+0x810/0x810 [ 52.424927] ? _raw_spin_unlock+0x22/0x30 [ 52.429070] fuse_get_root_inode+0x121/0x190 [ 52.433478] ? fuse_iget+0x820/0x820 [ 52.437210] ? _raw_spin_unlock_bh+0x30/0x40 [ 52.441613] ? bdi_set_max_ratio+0x112/0x150 [ 52.446025] fuse_fill_super+0x11e0/0x1e20 [ 52.450267] ? fuse_get_root_inode+0x190/0x190 [ 52.454848] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 52.459865] ? kasan_check_read+0x11/0x20 [ 52.464013] ? cap_capable+0x1f9/0x260 [ 52.467900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.473426] ? security_capable+0x99/0xc0 [ 52.477578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.483110] ? ns_capable_common+0x13f/0x170 [ 52.487509] ? get_anon_bdev+0x2f0/0x2f0 [ 52.491557] ? sget+0x113/0x150 [ 52.494832] ? fuse_get_root_inode+0x190/0x190 [ 52.499583] mount_nodev+0x6b/0x110 [ 52.503208] fuse_mount+0x2c/0x40 [ 52.506658] mount_fs+0xae/0x328 [ 52.510035] vfs_kern_mount.part.34+0xd4/0x4d0 [ 52.514633] ? may_umount+0xb0/0xb0 [ 52.518249] ? _raw_read_unlock+0x22/0x30 [ 52.522392] ? __get_fs_type+0x97/0xc0 [ 52.526268] do_mount+0x564/0x3070 [ 52.529807] ? do_raw_spin_unlock+0x9e/0x2e0 [ 52.534207] ? copy_mount_string+0x40/0x40 [ 52.538436] ? rcu_pm_notify+0xc0/0xc0 [ 52.542336] ? copy_mount_options+0x5f/0x380 [ 52.546751] ? rcu_read_lock_sched_held+0x108/0x120 [ 52.551768] ? kmem_cache_alloc_trace+0x616/0x780 [ 52.556624] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 52.562173] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.567702] ? copy_mount_options+0x285/0x380 [ 52.572186] ksys_mount+0x12d/0x140 [ 52.575804] __x64_sys_mount+0xbe/0x150 [ 52.579763] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 52.584764] do_syscall_64+0x1b1/0x800 [ 52.588642] ? syscall_return_slowpath+0x5c0/0x5c0 [ 52.593556] ? syscall_return_slowpath+0x30f/0x5c0 [ 52.599534] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 52.604895] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.609735] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 52.614911] RIP: 0033:0x455a09 [ 52.618090] RSP: 002b:00007ffe42cd1fc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 52.625785] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000455a09 [ 52.633052] RDX: 00000000004c1eb6 RSI: 00000000200001c0 RDI: 00000000004de0c5 [ 52.640324] RBP: 0000000000000000 R08: 00007ffe42cd1fe0 R09: 0000000000000000 [ 52.647595] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 52.654861] R13: 00000000200001c0 R14: 0000000000000000 R15: 0000000000000000 [ 52.667389] FAULT_INJECTION: forcing a failure. [ 52.667389] name failslab, interval 1, probability 0, space 0, times 0 [ 52.678723] CPU: 0 PID: 4508 Comm: syz-executor2 Not tainted 4.17.0-rc5+ #52 [ 52.685938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.695304] Call Trace: [ 52.697906] dump_stack+0x1b9/0x294 [ 52.697968] FAULT_INJECTION: forcing a failure. [ 52.697968] name failslab, interval 1, probability 0, space 0, times 0 [ 52.701547] ? dump_stack_print_info.cold.2+0x52/0x52 [ 52.701564] ? unwind_get_return_address+0x61/0xa0 [ 52.701578] ? __save_stack_trace+0x7e/0xd0 [ 52.701596] should_fail.cold.4+0xa/0x1a [ 52.701611] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 52.701627] ? save_stack+0xa9/0xd0 [ 52.701638] ? save_stack+0x43/0xd0 [ 52.701657] ? kasan_kmalloc+0xc4/0xe0 [ 52.747619] ? kasan_slab_alloc+0x12/0x20 [ 52.751766] ? graph_lock+0x170/0x170 [ 52.755563] ? mount_nodev+0x6b/0x110 [ 52.759360] ? fuse_mount+0x2c/0x40 [ 52.762982] ? mount_fs+0xae/0x328 [ 52.766520] ? vfs_kern_mount.part.34+0xd4/0x4d0 [ 52.771269] ? do_mount+0x564/0x3070 [ 52.774976] ? ksys_mount+0x12d/0x140 [ 52.778779] ? find_held_lock+0x36/0x1c0 [ 52.782933] ? __lock_is_held+0xb5/0x140 [ 52.786998] ? check_same_owner+0x320/0x320 [ 52.791322] ? rcu_note_context_switch+0x710/0x710 [ 52.796257] __should_failslab+0x124/0x180 [ 52.800511] should_failslab+0x9/0x14 [ 52.804309] kmem_cache_alloc_trace+0x2cb/0x780 [ 52.808978] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 52.813993] ? __lockdep_init_map+0x105/0x590 [ 52.818499] fuse_dentry_init+0x45/0xa0 [ 52.822473] ? fuse_create+0x30/0x30 [ 52.826197] __d_alloc+0x6f8/0xd30 [ 52.829736] ? shrink_dcache_for_umount+0x290/0x290 [ 52.834768] ? fuse_change_attributes+0x810/0x810 [ 52.839621] ? _raw_spin_unlock+0x22/0x30 [ 52.843773] ? fuse_get_root_inode+0x121/0x190 [ 52.848354] ? fuse_iget+0x820/0x820 [ 52.852079] d_make_root+0x42/0x90 [ 52.855618] fuse_fill_super+0x120e/0x1e20 [ 52.859856] ? fuse_get_root_inode+0x190/0x190 [ 52.864462] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 52.869492] ? kasan_check_read+0x11/0x20 [ 52.873639] ? cap_capable+0x1f9/0x260 [ 52.877529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.883067] ? security_capable+0x99/0xc0 [ 52.887215] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.892751] ? ns_capable_common+0x13f/0x170 [ 52.897187] ? get_anon_bdev+0x2f0/0x2f0 [ 52.901249] ? sget+0x113/0x150 [ 52.904530] ? fuse_get_root_inode+0x190/0x190 [ 52.909112] mount_nodev+0x6b/0x110 [ 52.912737] fuse_mount+0x2c/0x40 [ 52.916192] mount_fs+0xae/0x328 [ 52.919562] vfs_kern_mount.part.34+0xd4/0x4d0 [ 52.924144] ? may_umount+0xb0/0xb0 [ 52.927778] ? _raw_read_unlock+0x22/0x30 [ 52.931928] ? __get_fs_type+0x97/0xc0 [ 52.935824] do_mount+0x564/0x3070 [ 52.939371] ? copy_mount_string+0x40/0x40 [ 52.943602] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 52.948620] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 52.953379] ? retint_kernel+0x10/0x10 [ 52.957277] ? copy_mount_options+0x1e3/0x380 [ 52.961771] ? copy_mount_options+0x1f0/0x380 [ 52.966263] ? copy_mount_options+0x202/0x380 [ 52.970851] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.976404] ? copy_mount_options+0x285/0x380 [ 52.980902] ksys_mount+0x12d/0x140 [ 52.984538] __x64_sys_mount+0xbe/0x150 [ 52.988510] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 52.993527] do_syscall_64+0x1b1/0x800 [ 52.997415] ? syscall_return_slowpath+0x5c0/0x5c0 [ 53.002344] ? syscall_return_slowpath+0x30f/0x5c0 [ 53.007278] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 53.012663] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.017517] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 53.022699] RIP: 0033:0x455a09 [ 53.025884] RSP: 002b:00007ffc744f0ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 53.034115] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000455a09 [ 53.041475] RDX: 00000000004c1eb6 RSI: 00000000200001c0 RDI: 00000000004de0c5 [ 53.048786] RBP: 0000000000000000 R08: 00007ffc744f0ad0 R09: 0000000000000000 [ 53.056055] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 53.063327] R13: 00000000200001c0 R14: 0000000000000000 R15: 0000000000000000 [ 53.070615] CPU: 1 PID: 4510 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #52 [ 53.077844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.087198] Call Trace: [ 53.089788] dump_stack+0x1b9/0x294 [ 53.093408] ? dump_stack_print_info.cold.2+0x52/0x52 [ 53.098598] ? d_add+0x605/0xa10 [ 53.101956] ? lock_downgrade+0x8e0/0x8e0 [ 53.106091] ? __kernel_text_address+0xd/0x40 [ 53.110575] should_fail.cold.4+0xa/0x1a [ 53.114629] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 53.119743] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 53.124845] ? graph_lock+0x170/0x170 [ 53.128632] ? __lockdep_init_map+0x105/0x590 [ 53.133116] ? find_held_lock+0x36/0x1c0 [ 53.137180] ? __lock_is_held+0xb5/0x140 [ 53.141250] ? check_same_owner+0x320/0x320 [ 53.145565] ? rcu_note_context_switch+0x710/0x710 [ 53.150497] __should_failslab+0x124/0x180 [ 53.154726] should_failslab+0x9/0x14 [ 53.158530] kmem_cache_alloc+0x2af/0x760 [ 53.162687] alloc_inode+0xb2/0x190 [ 53.166314] new_inode_pseudo+0x69/0x1a0 [ 53.170372] ? prune_icache_sb+0x1a0/0x1a0 [ 53.174599] ? down_read+0x1b0/0x1b0 [ 53.178303] ? mntput+0x74/0xa0 [ 53.181582] new_inode+0x1c/0x40 [ 53.184945] debugfs_get_inode+0x19/0x120 [ 53.189083] __debugfs_create_file+0xb5/0x400 [ 53.193582] debugfs_create_file+0x57/0x70 [ 53.197831] bdi_register_va.part.10+0x365/0x9b0 [ 53.202593] ? cgwb_kill+0x630/0x630 [ 53.206304] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.211832] ? bdi_init+0x416/0x510 [ 53.215446] ? wb_init+0x9e0/0x9e0 [ 53.218976] ? bdi_alloc_node+0x67/0xe0 [ 53.222947] ? bdi_alloc_node+0x67/0xe0 [ 53.226911] ? rcu_read_lock_sched_held+0x108/0x120 [ 53.231928] ? kmem_cache_alloc_node_trace+0x34e/0x770 [ 53.237200] ? _raw_spin_unlock+0x22/0x30 [ 53.241339] bdi_register_va+0x68/0x80 [ 53.245218] super_setup_bdi_name+0x123/0x220 [ 53.249708] ? kill_block_super+0x100/0x100 [ 53.254036] ? kmem_cache_alloc_trace+0x616/0x780 [ 53.258897] ? match_wildcard+0x3c0/0x3c0 [ 53.263045] ? trace_hardirqs_on+0xd/0x10 [ 53.267194] fuse_fill_super+0xe6e/0x1e20 [ 53.271363] ? fuse_get_root_inode+0x190/0x190 [ 53.275944] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 53.280960] ? kasan_check_read+0x11/0x20 [ 53.285133] ? cap_capable+0x1f9/0x260 [ 53.289629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.295162] ? security_capable+0x99/0xc0 [ 53.299311] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.304856] ? ns_capable_common+0x13f/0x170 [ 53.309262] ? get_anon_bdev+0x2f0/0x2f0 [ 53.313310] ? sget+0x113/0x150 [ 53.316576] ? fuse_get_root_inode+0x190/0x190 [ 53.321157] mount_nodev+0x6b/0x110 [ 53.324776] fuse_mount+0x2c/0x40 [ 53.328218] mount_fs+0xae/0x328 [ 53.331581] vfs_kern_mount.part.34+0xd4/0x4d0 [ 53.336165] ? may_umount+0xb0/0xb0 [ 53.339784] ? _raw_read_unlock+0x22/0x30 [ 53.343929] ? __get_fs_type+0x97/0xc0 [ 53.347806] do_mount+0x564/0x3070 [ 53.351346] ? do_raw_spin_unlock+0x9e/0x2e0 [ 53.355743] ? copy_mount_string+0x40/0x40 [ 53.359981] ? rcu_pm_notify+0xc0/0xc0 [ 53.363863] ? copy_mount_options+0x5f/0x380 [ 53.368267] ? rcu_read_lock_sched_held+0x108/0x120 [ 53.373287] ? kmem_cache_alloc_trace+0x616/0x780 [ 53.378126] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 53.383692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.389220] ? copy_mount_options+0x285/0x380 [ 53.393707] ksys_mount+0x12d/0x140 [ 53.397332] __x64_sys_mount+0xbe/0x150 [ 53.401294] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 53.406299] do_syscall_64+0x1b1/0x800 [ 53.410179] ? syscall_return_slowpath+0x5c0/0x5c0 [ 53.415099] ? syscall_return_slowpath+0x30f/0x5c0 [ 53.420034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.425577] ? retint_user+0x18/0x18 [ 53.429286] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.434130] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 53.439322] RIP: 0033:0x455a09 [ 53.442505] RSP: 002b:00007ffe250dc428 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 53.450208] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000455a09 [ 53.457470] RDX: 00000000004c1eb6 RSI: 00000000200001c0 RDI: 00000000004de0c5 [ 53.464732] RBP: 0000000000000000 R08: 00007ffe250dc440 R09: 0000000000000000 [ 53.472001] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 53.479299] R13: 00000000200001c0 R14: 0000000000000000 R15: 0000000000000000 [ 53.517149] FAULT_INJECTION: forcing a failure. [ 53.517149] name failslab, interval 1, probability 0, space 0, times 0 [ 53.524286] FAULT_INJECTION: forcing a failure. [ 53.524286] name failslab, interval 1, probability 0, space 0, times 0 [ 53.528534] CPU: 1 PID: 4511 Comm: syz-executor4 Not tainted 4.17.0-rc5+ #52 [ 53.546855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.556202] Call Trace: [ 53.558800] dump_stack+0x1b9/0x294 [ 53.562436] ? dump_stack_print_info.cold.2+0x52/0x52 [ 53.567632] ? graph_lock+0x170/0x170 [ 53.571445] should_fail.cold.4+0xa/0x1a [ 53.575514] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 53.580627] ? graph_lock+0x170/0x170 [ 53.584428] ? lock_downgrade+0x8e0/0x8e0 [ 53.588582] ? find_held_lock+0x36/0x1c0 [ 53.592652] ? __lock_is_held+0xb5/0x140 [ 53.596731] ? check_same_owner+0x320/0x320 [ 53.601064] ? rcu_note_context_switch+0x710/0x710 [ 53.606002] __should_failslab+0x124/0x180 [ 53.610763] should_failslab+0x9/0x14 [ 53.614569] kmem_cache_alloc+0x2af/0x760 [ 53.618721] ? kasan_check_write+0x14/0x20 [ 53.622989] ? do_raw_spin_lock+0xc1/0x200 [ 53.627234] __fuse_request_alloc+0x27/0xf0 [ 53.631561] fuse_request_alloc+0x18/0x20 [ 53.635719] fuse_fill_super+0x124e/0x1e20 [ 53.639964] ? fuse_get_root_inode+0x190/0x190 [ 53.644562] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 53.649582] ? kasan_check_read+0x11/0x20 [ 53.653737] ? cap_capable+0x1f9/0x260 [ 53.657628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.663164] ? security_capable+0x99/0xc0 [ 53.667330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.672870] ? ns_capable_common+0x13f/0x170 [ 53.677286] ? get_anon_bdev+0x2f0/0x2f0 [ 53.681345] ? sget+0x113/0x150 [ 53.684624] ? fuse_get_root_inode+0x190/0x190 [ 53.689203] mount_nodev+0x6b/0x110 [ 53.692832] fuse_mount+0x2c/0x40 [ 53.696289] mount_fs+0xae/0x328 [ 53.699663] vfs_kern_mount.part.34+0xd4/0x4d0 [ 53.704248] ? may_umount+0xb0/0xb0 [ 53.707877] ? _raw_read_unlock+0x22/0x30 [ 53.712027] ? __get_fs_type+0x97/0xc0 [ 53.715925] do_mount+0x564/0x3070 [ 53.719477] ? copy_mount_string+0x40/0x40 [ 53.723728] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 53.728491] ? retint_kernel+0x10/0x10 [ 53.732399] ? copy_mount_options+0x1e3/0x380 [ 53.736909] ? __sanitizer_cov_trace_const_cmp4+0x5/0x20 [ 53.742365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.747913] ? copy_mount_options+0x285/0x380 [ 53.752416] ksys_mount+0x12d/0x140 [ 53.756075] __x64_sys_mount+0xbe/0x150 [ 53.760048] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 53.765080] do_syscall_64+0x1b1/0x800 [ 53.768974] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 53.773820] ? syscall_return_slowpath+0x5c0/0x5c0 [ 53.778755] ? syscall_return_slowpath+0x30f/0x5c0 [ 53.783705] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 53.789077] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.793930] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 53.799121] RIP: 0033:0x455a09 [ 53.802317] RSP: 002b:00007ffd3177ea78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 53.810029] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000455a09 [ 53.817295] RDX: 00000000004c1eb6 RSI: 00000000200001c0 RDI: 00000000004de0c5 [ 53.824560] RBP: 0000000000000000 R08: 00007ffd3177ea90 R09: 0000000000000000 [ 53.831828] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 53.839095] R13: 00000000200001c0 R14: 0000000000000000 R15: 0000000000000000 [ 53.846390] CPU: 0 PID: 4513 Comm: syz-executor2 Not tainted 4.17.0-rc5+ #52 [ 53.853597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.862332] FAULT_INJECTION: forcing a failure. [ 53.862332] name failslab, interval 1, probability 0, space 0, times 0 [ 53.862962] Call Trace: [ 53.877019] dump_stack+0x1b9/0x294 [ 53.880660] ? dump_stack_print_info.cold.2+0x52/0x52 [ 53.885892] ? should_fail+0x20a/0xbcd [ 53.889794] should_fail.cold.4+0xa/0x1a [ 53.893949] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 53.899062] ? save_stack+0xa9/0xd0 [ 53.902707] ? save_stack+0x43/0xd0 [ 53.906343] ? kasan_kmalloc+0xc4/0xe0 [ 53.910232] ? kasan_slab_alloc+0x12/0x20 [ 53.914383] ? graph_lock+0x170/0x170 [ 53.918187] ? mount_nodev+0x6b/0x110 [ 53.922003] ? fuse_mount+0x2c/0x40 [ 53.925626] ? mount_fs+0xae/0x328 [ 53.929164] ? vfs_kern_mount.part.34+0xd4/0x4d0 [ 53.933920] ? do_mount+0x564/0x3070 [ 53.937635] ? ksys_mount+0x12d/0x140 [ 53.941436] ? find_held_lock+0x36/0x1c0 [ 53.945535] ? __lock_is_held+0xb5/0x140 [ 53.949613] ? check_same_owner+0x320/0x320 [ 53.953936] ? rcu_note_context_switch+0x710/0x710 [ 53.958878] __should_failslab+0x124/0x180 [ 53.963112] should_failslab+0x9/0x14 [ 53.966929] kmem_cache_alloc_trace+0x2cb/0x780 [ 53.971594] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 53.976609] ? __lockdep_init_map+0x105/0x590 [ 53.981108] fuse_dentry_init+0x45/0xa0 [ 53.985108] ? fuse_create+0x30/0x30 [ 53.988834] __d_alloc+0x6f8/0xd30 [ 53.992402] ? shrink_dcache_for_umount+0x290/0x290 [ 53.997423] ? fuse_change_attributes+0x810/0x810 [ 54.002264] ? _raw_spin_unlock+0x22/0x30 [ 54.006421] ? fuse_get_root_inode+0x121/0x190 [ 54.011001] ? fuse_iget+0x820/0x820 [ 54.014738] d_make_root+0x42/0x90 [ 54.018285] fuse_fill_super+0x120e/0x1e20 [ 54.022534] ? fuse_get_root_inode+0x190/0x190 [ 54.027133] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 54.032155] ? kasan_check_read+0x11/0x20 [ 54.036318] ? cap_capable+0x1f9/0x260 [ 54.040218] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.045847] ? security_capable+0x99/0xc0 [ 54.050006] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.055557] ? ns_capable_common+0x13f/0x170 [ 54.059975] ? get_anon_bdev+0x2f0/0x2f0 [ 54.064044] ? sget+0x113/0x150 [ 54.067339] ? fuse_get_root_inode+0x190/0x190 [ 54.071925] mount_nodev+0x6b/0x110 [ 54.075562] fuse_mount+0x2c/0x40 [ 54.079024] mount_fs+0xae/0x328 [ 54.082401] vfs_kern_mount.part.34+0xd4/0x4d0 [ 54.086993] ? may_umount+0xb0/0xb0 [ 54.090621] ? _raw_read_unlock+0x22/0x30 [ 54.094778] ? __get_fs_type+0x97/0xc0 [ 54.098670] do_mount+0x564/0x3070 [ 54.102216] ? copy_mount_string+0x40/0x40 [ 54.106475] ? rcu_pm_notify+0xc0/0xc0 [ 54.110370] ? copy_mount_options+0x5f/0x380 [ 54.114776] ? rcu_read_lock_sched_held+0x108/0x120 [ 54.119797] ? kmem_cache_alloc_trace+0x616/0x780 [ 54.124644] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 54.130187] ? _copy_from_user+0xdf/0x150 [ 54.134367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.139908] ? copy_mount_options+0x285/0x380 [ 54.144415] ksys_mount+0x12d/0x140 [ 54.148043] __x64_sys_mount+0xbe/0x150 [ 54.152021] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 54.157040] do_syscall_64+0x1b1/0x800 [ 54.162359] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 54.167209] ? syscall_return_slowpath+0x5c0/0x5c0 [ 54.172136] ? syscall_return_slowpath+0x30f/0x5c0 [ 54.177073] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 54.182442] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.187295] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 54.192489] RIP: 0033:0x455a09 [ 54.195683] RSP: 002b:00007ffc744f0ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 54.203493] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000455a09 [ 54.210781] RDX: 00000000004c1eb6 RSI: 00000000200001c0 RDI: 00000000004de0c5 [ 54.218048] RBP: 0000000000000000 R08: 00007ffc744f0ad0 R09: 0000000000000000 [ 54.225311] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 54.232575] R13: 00000000200001c0 R14: 0000000000000000 R15: 0000000000000000 [ 54.239864] CPU: 1 PID: 4516 Comm: syz-executor7 Not tainted 4.17.0-rc5+ #52 [ 54.245595] FAULT_INJECTION: forcing a failure. [ 54.245595] name failslab, interval 1, probability 0, space 0, times 0 [ 54.247077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.247083] Call Trace: [ 54.247105] dump_stack+0x1b9/0x294 [ 54.247120] ? dump_stack_print_info.cold.2+0x52/0x52 [ 54.247143] ? lockdep_init_map+0x9/0x10 [ 54.283135] should_fail.cold.4+0xa/0x1a [ 54.287196] ? print_usage_bug+0xc0/0xc0 [ 54.291263] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 54.296376] ? graph_lock+0x170/0x170 [ 54.300175] ? find_held_lock+0x36/0x1c0 [ 54.304257] ? find_held_lock+0x36/0x1c0 [ 54.308323] ? __lock_is_held+0xb5/0x140 [ 54.312480] ? check_same_owner+0x320/0x320 [ 54.316996] ? make_kgid+0x23/0x30 [ 54.320540] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 54.326087] ? rcu_note_context_switch+0x710/0x710 [ 54.331031] __should_failslab+0x124/0x180 [ 54.335275] should_failslab+0x9/0x14 [ 54.339078] kmem_cache_alloc+0x2af/0x760 [ 54.343228] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 54.347821] ? kasan_check_write+0x14/0x20 [ 54.352058] ? do_raw_spin_lock+0xc1/0x200 [ 54.356295] __d_alloc+0xc0/0xd30 [ 54.359765] ? fuse_iget+0x1dd/0x820 [ 54.363477] ? shrink_dcache_for_umount+0x290/0x290 [ 54.368497] ? fuse_change_attributes+0x810/0x810 [ 54.373347] ? _raw_spin_unlock+0x22/0x30 [ 54.377504] ? fuse_get_root_inode+0x121/0x190 [ 54.382087] ? fuse_iget+0x820/0x820 [ 54.385809] d_make_root+0x42/0x90 [ 54.389435] fuse_fill_super+0x120e/0x1e20 [ 54.393675] ? fuse_get_root_inode+0x190/0x190 [ 54.398290] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 54.403315] ? kasan_check_read+0x11/0x20 [ 54.407469] ? cap_capable+0x1f9/0x260 [ 54.411643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.417183] ? security_capable+0x99/0xc0 [ 54.421341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.426883] ? ns_capable_common+0x13f/0x170 [ 54.431300] ? get_anon_bdev+0x2f0/0x2f0 [ 54.435363] ? sget+0x113/0x150 [ 54.438642] ? fuse_get_root_inode+0x190/0x190 [ 54.443227] mount_nodev+0x6b/0x110 [ 54.446858] fuse_mount+0x2c/0x40 [ 54.450314] mount_fs+0xae/0x328 [ 54.453685] vfs_kern_mount.part.34+0xd4/0x4d0 [ 54.458269] ? may_umount+0xb0/0xb0 [ 54.461898] ? _raw_read_unlock+0x22/0x30 [ 54.466044] ? __get_fs_type+0x97/0xc0 [ 54.469936] do_mount+0x564/0x3070 [ 54.473506] ? copy_mount_string+0x40/0x40 [ 54.477743] ? rcu_pm_notify+0xc0/0xc0 [ 54.481640] ? copy_mount_options+0x5f/0x380 [ 54.486049] ? rcu_read_lock_sched_held+0x108/0x120 [ 54.491073] ? kmem_cache_alloc_trace+0x616/0x780 [ 54.495927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.501471] ? copy_mount_options+0x285/0x380 [ 54.505982] ksys_mount+0x12d/0x140 [ 54.509621] __x64_sys_mount+0xbe/0x150 [ 54.513603] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 54.518627] do_syscall_64+0x1b1/0x800 [ 54.522517] ? syscall_return_slowpath+0x5c0/0x5c0 [ 54.527461] ? syscall_return_slowpath+0x30f/0x5c0 [ 54.532488] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 54.537861] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.542729] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 54.547920] RIP: 0033:0x455a09 [ 54.551115] RSP: 002b:00007ffd8da72bc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 54.558828] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000455a09 [ 54.566096] RDX: 00000000004c1eb6 RSI: 00000000200001c0 RDI: 00000000004de0c5 [ 54.573452] RBP: 0000000000000000 R08: 00007ffd8da72be0 R09: 0000000000000000 [ 54.580729] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 54.588007] R13: 00000000200001c0 R14: 0000000000000000 R15: 0000000000000000 [ 54.595294] CPU: 0 PID: 4512 Comm: syz-executor5 Not tainted 4.17.0-rc5+ #52 [ 54.600974] FAULT_INJECTION: forcing a failure. [ 54.600974] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 54.602497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.623647] Call Trace: [ 54.626244] dump_stack+0x1b9/0x294 [ 54.629881] ? dump_stack_print_info.cold.2+0x52/0x52 [ 54.635074] ? graph_lock+0x170/0x170 [ 54.638877] should_fail.cold.4+0xa/0x1a [ 54.642942] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 54.648053] ? graph_lock+0x170/0x170 [ 54.651854] ? lock_downgrade+0x8e0/0x8e0 [ 54.656015] ? find_held_lock+0x36/0x1c0 [ 54.660082] ? __lock_is_held+0xb5/0x140 [ 54.664152] ? check_same_owner+0x320/0x320 [ 54.668478] ? rcu_note_context_switch+0x710/0x710 [ 54.673414] __should_failslab+0x124/0x180 [ 54.677662] should_failslab+0x9/0x14 [ 54.681477] kmem_cache_alloc+0x2af/0x760 [ 54.685635] ? kasan_check_write+0x14/0x20 [ 54.689887] ? do_raw_spin_lock+0xc1/0x200 [ 54.694140] __fuse_request_alloc+0x27/0xf0 [ 54.698475] fuse_request_alloc+0x18/0x20 [ 54.702649] fuse_fill_super+0x124e/0x1e20 [ 54.706903] ? fuse_get_root_inode+0x190/0x190 [ 54.711503] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 54.716535] ? kasan_check_read+0x11/0x20 [ 54.720685] ? cap_capable+0x1f9/0x260 [ 54.724576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.730203] ? security_capable+0x99/0xc0 [ 54.734356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.739898] ? ns_capable_common+0x13f/0x170 [ 54.744314] ? get_anon_bdev+0x2f0/0x2f0 [ 54.748381] ? sget+0x113/0x150 [ 54.751665] ? fuse_get_root_inode+0x190/0x190 [ 54.756257] mount_nodev+0x6b/0x110 [ 54.759892] fuse_mount+0x2c/0x40 [ 54.763379] mount_fs+0xae/0x328 [ 54.766761] vfs_kern_mount.part.34+0xd4/0x4d0 [ 54.771348] ? may_umount+0xb0/0xb0 [ 54.774981] ? _raw_read_unlock+0x22/0x30 [ 54.779153] ? __get_fs_type+0x97/0xc0 [ 54.783063] do_mount+0x564/0x3070 [ 54.786613] ? interrupt_entry+0xb1/0xf0 [ 54.790685] ? copy_mount_string+0x40/0x40 [ 54.795193] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 54.799963] ? retint_kernel+0x10/0x10 [ 54.803864] ? copy_mount_options+0x213/0x380 [ 54.808368] ? write_comp_data+0x11/0x70 [ 54.812464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.818012] ? copy_mount_options+0x285/0x380 [ 54.822515] ksys_mount+0x12d/0x140 [ 54.826149] __x64_sys_mount+0xbe/0x150 [ 54.830122] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 54.835144] do_syscall_64+0x1b1/0x800 [ 54.839036] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 54.843898] ? syscall_return_slowpath+0x5c0/0x5c0 [ 54.848832] ? syscall_return_slowpath+0x30f/0x5c0 [ 54.853770] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 54.859148] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.864003] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 54.869198] RIP: 0033:0x455a09 [ 54.872394] RSP: 002b:00007ffcbe434098 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 54.880116] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000455a09 [ 54.887426] RDX: 00000000004c1eb6 RSI: 00000000200001c0 RDI: 00000000004de0c5 [ 54.894710] RBP: 0000000000000000 R08: 00007ffcbe4340b0 R09: 0000000000000000 [ 54.901981] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 54.909271] R13: 00000000200001c0 R14: 0000000000000000 R15: 0000000000000000 [ 54.916595] CPU: 1 PID: 4515 Comm: syz-executor1 Not tainted 4.17.0-rc5+ #52 [ 54.923800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.928258] FAULT_INJECTION: forcing a failure. [ 54.928258] name failslab, interval 1, probability 0, space 0, times 0 [ 54.933247] Call Trace: [ 54.933270] dump_stack+0x1b9/0x294 [ 54.933286] ? dump_stack_print_info.cold.2+0x52/0x52 [ 54.933307] ? __lock_acquire+0x7f5/0x5140 [ 54.960065] should_fail.cold.4+0xa/0x1a [ 54.964128] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 54.969242] ? find_held_lock+0x36/0x1c0 [ 54.973310] ? graph_lock+0x170/0x170 [ 54.977113] ? lock_acquire+0x1dc/0x520 [ 54.981103] ? lock_downgrade+0x8e0/0x8e0 [ 54.985256] ? find_held_lock+0x36/0x1c0 [ 54.989355] __alloc_pages_nodemask+0x34e/0xd70 [ 54.994042] ? kasan_check_read+0x11/0x20 [ 54.998202] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 55.003235] ? rcu_read_unlock+0x35/0x70 [ 55.007307] ? __lock_is_held+0xb5/0x140 [ 55.011403] ? check_same_owner+0x320/0x320 [ 55.015744] ? graph_lock+0x170/0x170 [ 55.019559] cache_grow_begin+0x72/0x6c0 [ 55.023636] kmem_cache_alloc+0x689/0x760 [ 55.027792] ? find_held_lock+0x36/0x1c0 [ 55.031861] fuse_alloc_inode+0x96/0x4f0 [ 55.035929] ? fuse_dev_alloc+0x4e0/0x4e0 [ 55.040102] ? lock_downgrade+0x8e0/0x8e0 [ 55.044263] ? kasan_check_read+0x11/0x20 [ 55.048418] ? do_raw_spin_unlock+0x9e/0x2e0 [ 55.052837] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 55.057429] ? kasan_check_write+0x14/0x20 [ 55.061676] ? find_inode.isra.19+0xc3/0x1d0 [ 55.066088] ? fuse_dev_alloc+0x4e0/0x4e0 [ 55.070248] alloc_inode+0x63/0x190 [ 55.073881] iget5_locked+0x20e/0x570 [ 55.077703] ? fuse_inode_eq+0x80/0x80 [ 55.081595] ? fuse_init_file_inode+0x70/0x70 [ 55.086107] ? inode_lru_isolate+0x580/0x580 [ 55.090629] ? cgwb_kill+0x630/0x630 [ 55.094356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 55.099906] ? print_usage_bug+0xc0/0xc0 [ 55.104152] fuse_iget+0x1cc/0x820 [ 55.107706] ? fuse_change_attributes+0x810/0x810 [ 55.112555] ? _raw_spin_unlock+0x22/0x30 [ 55.116708] fuse_get_root_inode+0x121/0x190 [ 55.121118] ? fuse_iget+0x820/0x820 [ 55.124839] ? _raw_spin_unlock_bh+0x30/0x40 [ 55.129248] ? bdi_set_max_ratio+0x112/0x150 [ 55.133670] fuse_fill_super+0x11e0/0x1e20 [ 55.137914] ? fuse_get_root_inode+0x190/0x190 [ 55.142506] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 55.147532] ? kasan_check_read+0x11/0x20 [ 55.151698] ? cap_capable+0x1f9/0x260 [ 55.155592] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 55.161136] ? security_capable+0x99/0xc0 [ 55.165287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 55.170824] ? ns_capable_common+0x13f/0x170 [ 55.175247] ? get_anon_bdev+0x2f0/0x2f0 [ 55.179311] ? sget+0x113/0x150 [ 55.182592] ? fuse_get_root_inode+0x190/0x190 [ 55.187174] mount_nodev+0x6b/0x110 [ 55.190804] fuse_mount+0x2c/0x40 [ 55.194266] mount_fs+0xae/0x328 [ 55.197634] vfs_kern_mount.part.34+0xd4/0x4d0 [ 55.202217] ? may_umount+0xb0/0xb0 [ 55.205950] ? _raw_read_unlock+0x22/0x30 [ 55.210134] ? __get_fs_type+0x97/0xc0 [ 55.214030] do_mount+0x564/0x3070 [ 55.217570] ? do_raw_spin_unlock+0x9e/0x2e0 [ 55.222086] ? copy_mount_string+0x40/0x40 [ 55.226321] ? rcu_pm_notify+0xc0/0xc0 [ 55.230216] ? copy_mount_options+0x5f/0x380 [ 55.234623] ? rcu_read_lock_sched_held+0x108/0x120 [ 55.239649] ? kmem_cache_alloc_trace+0x616/0x780 [ 55.244498] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 55.250044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 55.255582] ? copy_mount_options+0x285/0x380 [ 55.260083] ksys_mount+0x12d/0x140 [ 55.263716] __x64_sys_mount+0xbe/0x150 [ 55.267703] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 55.272729] do_syscall_64+0x1b1/0x800 [ 55.276620] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 55.281468] ? syscall_return_slowpath+0x5c0/0x5c0 [ 55.286409] ? syscall_return_slowpath+0x30f/0x5c0 [ 55.291355] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 55.296727] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.301580] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 55.306768] RIP: 0033:0x455a09 [ 55.309955] RSP: 002b:00007fff6945ab88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 55.317667] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000455a09 [ 55.324941] RDX: 00000000004c1eb6 RSI: 00000000200001c0 RDI: 00000000004de0c5 [ 55.332207] RBP: 0000000000000000 R08: 00007fff6945aba0 R09: 0000000000000000 [ 55.339473] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 55.346744] R13: 00000000200001c0 R14: 0000000000000000 R15: 0000000000000000 [ 55.354040] CPU: 0 PID: 4514 Comm: syz-executor3 Not tainted 4.17.0-rc5+ #52 [ 55.361245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.370615] Call Trace: [ 55.373226] dump_stack+0x1b9/0x294 [ 55.376878] ? dump_stack_print_info.cold.2+0x52/0x52 [ 55.382097] ? unwind_get_return_address+0x61/0xa0 [ 55.387052] ? __save_stack_trace+0x7e/0xd0 [ 55.387509] FAULT_INJECTION: forcing a failure. [ 55.387509] name failslab, interval 1, probability 0, space 0, times 0 [ 55.391406] should_fail.cold.4+0xa/0x1a [ 55.391421] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 55.391460] ? save_stack+0xa9/0xd0 [ 55.391480] ? save_stack+0x43/0xd0 [ 55.419065] ? kasan_kmalloc+0xc4/0xe0 [ 55.422959] ? kasan_slab_alloc+0x12/0x20 [ 55.427119] ? graph_lock+0x170/0x170 [ 55.430927] ? mount_nodev+0x6b/0x110 [ 55.434731] ? fuse_mount+0x2c/0x40 [ 55.438372] ? mount_fs+0xae/0x328 [ 55.441920] ? vfs_kern_mount.part.34+0xd4/0x4d0 [ 55.446675] ? do_mount+0x564/0x3070 [ 55.450385] ? ksys_mount+0x12d/0x140 [ 55.454191] ? find_held_lock+0x36/0x1c0 [ 55.458253] ? __lock_is_held+0xb5/0x140 [ 55.462321] ? check_same_owner+0x320/0x320 [ 55.466647] ? rcu_note_context_switch+0x710/0x710 [ 55.471582] __should_failslab+0x124/0x180 [ 55.475858] should_failslab+0x9/0x14 [ 55.479661] kmem_cache_alloc_trace+0x2cb/0x780 [ 55.484334] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 55.489355] ? __lockdep_init_map+0x105/0x590 [ 55.493856] fuse_dentry_init+0x45/0xa0 [ 55.497841] ? fuse_create+0x30/0x30 [ 55.501558] __d_alloc+0x6f8/0xd30 [ 55.505120] ? shrink_dcache_for_umount+0x290/0x290 [ 55.510143] ? fuse_change_attributes+0x810/0x810 [ 55.514989] ? _raw_spin_unlock+0x22/0x30 [ 55.519143] ? fuse_get_root_inode+0x121/0x190 [ 55.523736] ? fuse_iget+0x820/0x820 [ 55.527462] d_make_root+0x42/0x90 [ 55.531010] fuse_fill_super+0x120e/0x1e20 [ 55.535253] ? fuse_get_root_inode+0x190/0x190 [ 55.539845] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 55.544872] ? kasan_check_read+0x11/0x20 [ 55.549024] ? cap_capable+0x1f9/0x260 [ 55.552923] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 55.558478] ? security_capable+0x99/0xc0 [ 55.562652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 55.568365] ? ns_capable_common+0x13f/0x170 [ 55.572785] ? get_anon_bdev+0x2f0/0x2f0 [ 55.576850] ? sget+0x113/0x150 [ 55.580137] ? fuse_get_root_inode+0x190/0x190 [ 55.584725] mount_nodev+0x6b/0x110 [ 55.588369] fuse_mount+0x2c/0x40 [ 55.591827] mount_fs+0xae/0x328 [ 55.595200] vfs_kern_mount.part.34+0xd4/0x4d0 [ 55.599795] ? may_umount+0xb0/0xb0 [ 55.603425] ? _raw_read_unlock+0x22/0x30 [ 55.607665] ? __get_fs_type+0x97/0xc0 [ 55.611560] do_mount+0x564/0x3070 [ 55.615109] ? interrupt_entry+0xb1/0xf0 [ 55.619183] ? copy_mount_string+0x40/0x40 [ 55.623426] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 55.628191] ? retint_kernel+0x10/0x10 [ 55.632086] ? copy_mount_options+0x213/0x380 [ 55.636582] ? write_comp_data+0x11/0x70 [ 55.640647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 55.646191] ? copy_mount_options+0x285/0x380 [ 55.650781] ksys_mount+0x12d/0x140 [ 55.654415] __x64_sys_mount+0xbe/0x150 [ 55.658397] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 55.663417] do_syscall_64+0x1b1/0x800 [ 55.667335] ? syscall_return_slowpath+0x5c0/0x5c0 [ 55.672269] ? syscall_return_slowpath+0x30f/0x5c0 [ 55.677246] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 55.682616] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.687468] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 55.692657] RIP: 0033:0x455a09 [ 55.695849] RSP: 002b:00007fff9e7cf7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 55.703556] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000455a09 [ 55.710824] RDX: 00000000004c1eb6 RSI: 00000000200001c0 RDI: 00000000004de0c5 [ 55.718103] RBP: 0000000000000000 R08: 00007fff9e7cf7f0 R09: 0000000000000000 [ 55.725381] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 55.732650] R13: 00000000200001c0 R14: 0000000000000000 R15: 0000000000000000 [ 55.739941] CPU: 1 PID: 4517 Comm: syz-executor6 Not tainted 4.17.0-rc5+ #52 [ 55.747152] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.756527] Call Trace: [ 55.759138] dump_stack+0x1b9/0x294 [ 55.762794] ? dump_stack_print_info.cold.2+0x52/0x52 [ 55.768017] ? unwind_get_return_address+0x61/0xa0 [ 55.772973] ? __save_stack_trace+0x7e/0xd0 [ 55.777321] should_fail.cold.4+0xa/0x1a [ 55.781413] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 55.786545] ? save_stack+0xa9/0xd0 [ 55.790194] ? save_stack+0x43/0xd0 [ 55.793840] ? kasan_kmalloc+0xc4/0xe0 [ 55.797775] ? kasan_slab_alloc+0x12/0x20 [ 55.801950] ? graph_lock+0x170/0x170 [ 55.805780] ? mount_nodev+0x6b/0x110 [ 55.809600] ? fuse_mount+0x2c/0x40 [ 55.813338] ? mount_fs+0xae/0x328 [ 55.816908] ? vfs_kern_mount.part.34+0xd4/0x4d0 [ 55.821691] ? do_mount+0x564/0x3070 2018/05/16 00:16:58 executed programs: 18 [ 55.825429] ? ksys_mount+0x12d/0x140 [ 55.829253] ? find_held_lock+0x36/0x1c0 [ 55.833341] ? __lock_is_held+0xb5/0x140 [ 55.837440] ? check_same_owner+0x320/0x320 [ 55.841809] ? rcu_note_context_switch+0x710/0x710 [ 55.846768] __should_failslab+0x124/0x180 [ 55.851058] should_failslab+0x9/0x14 [ 55.854888] kmem_cache_alloc_trace+0x2cb/0x780 [ 55.857707] FAULT_INJECTION: forcing a failure. [ 55.857707] name failslab, interval 1, probability 0, space 0, times 0 [ 55.859594] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 55.859609] ? __lockdep_init_map+0x105/0x590 [ 55.859632] fuse_dentry_init+0x45/0xa0 [ 55.859654] ? fuse_create+0x30/0x30 [ 55.888009] __d_alloc+0x6f8/0xd30 [ 55.891572] ? shrink_dcache_for_umount+0x290/0x290 [ 55.896596] ? fuse_change_attributes+0x810/0x810 [ 55.901451] ? _raw_spin_unlock+0x22/0x30 [ 55.905610] ? fuse_get_root_inode+0x121/0x190 [ 55.910200] ? fuse_iget+0x820/0x820 [ 55.913935] d_make_root+0x42/0x90 [ 55.917491] fuse_fill_super+0x120e/0x1e20 [ 55.921734] ? fuse_get_root_inode+0x190/0x190 [ 55.926334] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 55.931353] ? kasan_check_read+0x11/0x20 [ 55.935514] ? cap_capable+0x1f9/0x260 [ 55.939410] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 55.944957] ? security_capable+0x99/0xc0 [ 55.949118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 55.954657] ? ns_capable_common+0x13f/0x170 [ 55.959070] ? get_anon_bdev+0x2f0/0x2f0 [ 55.963136] ? sget+0x113/0x150 [ 55.966423] ? fuse_get_root_inode+0x190/0x190 [ 55.971009] mount_nodev+0x6b/0x110 [ 55.974644] fuse_mount+0x2c/0x40 [ 55.978102] mount_fs+0xae/0x328 [ 55.981482] vfs_kern_mount.part.34+0xd4/0x4d0 [ 55.986063] ? may_umount+0xb0/0xb0 [ 55.989688] ? _raw_read_unlock+0x22/0x30 [ 55.994842] ? __get_fs_type+0x97/0xc0 [ 55.998735] do_mount+0x564/0x3070 [ 56.002277] ? copy_mount_string+0x40/0x40 [ 56.006507] ? rcu_pm_notify+0xc0/0xc0 [ 56.010408] ? copy_mount_options+0x5f/0x380 [ 56.014818] ? rcu_read_lock_sched_held+0x108/0x120 [ 56.019835] ? kmem_cache_alloc_trace+0x616/0x780 [ 56.024798] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 56.030343] ? _copy_from_user+0xdf/0x150 [ 56.034500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 56.040041] ? copy_mount_options+0x285/0x380 [ 56.044556] ksys_mount+0x12d/0x140 [ 56.048207] __x64_sys_mount+0xbe/0x150 [ 56.052190] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 56.057220] do_syscall_64+0x1b1/0x800 [ 56.061123] ? syscall_return_slowpath+0x5c0/0x5c0 [ 56.066061] ? syscall_return_slowpath+0x30f/0x5c0 [ 56.071005] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 56.076402] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.081258] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 56.086451] RIP: 0033:0x455a09 [ 56.089659] RSP: 002b:00007ffe42cd1fc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 56.097393] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000455a09 [ 56.104671] RDX: 00000000004c1eb6 RSI: 00000000200001c0 RDI: 00000000004de0c5 [ 56.112550] RBP: 0000000000000000 R08: 00007ffe42cd1fe0 R09: 0000000000000000 [ 56.119829] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 56.127108] R13: 00000000200001c0 R14: 0000000000000000 R15: 0000000000000000 [ 56.134404] CPU: 0 PID: 4525 Comm: syz-executor2 Not tainted 4.17.0-rc5+ #52 [ 56.141630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.150986] Call Trace: [ 56.153591] dump_stack+0x1b9/0x294 [ 56.157218] ? dump_stack_print_info.cold.2+0x52/0x52 [ 56.163359] ? d_add+0x605/0xa10 [ 56.166719] ? lock_downgrade+0x8e0/0x8e0 [ 56.170862] should_fail.cold.4+0xa/0x1a [ 56.174931] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 56.180143] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 56.185158] ? graph_lock+0x170/0x170 [ 56.188949] ? __lockdep_init_map+0x105/0x590 [ 56.193455] ? find_held_lock+0x36/0x1c0 [ 56.197520] ? __lock_is_held+0xb5/0x140 [ 56.201588] ? check_same_owner+0x320/0x320 [ 56.205921] ? rcu_note_context_switch+0x710/0x710 [ 56.210851] __should_failslab+0x124/0x180 [ 56.215093] should_failslab+0x9/0x14 [ 56.218888] kmem_cache_alloc+0x2af/0x760 [ 56.223044] alloc_inode+0xb2/0x190 [ 56.226672] new_inode_pseudo+0x69/0x1a0 [ 56.230728] ? prune_icache_sb+0x1a0/0x1a0 [ 56.234963] ? down_read+0x1b0/0x1b0 [ 56.238667] ? mntput+0x74/0xa0 [ 56.241945] new_inode+0x1c/0x40 [ 56.245331] debugfs_get_inode+0x19/0x120 [ 56.249498] debugfs_create_dir+0x75/0x3c0 [ 56.253746] bdi_register_va.part.10+0x318/0x9b0 [ 56.258507] ? cgwb_kill+0x630/0x630 [ 56.262222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 56.267754] ? bdi_init+0x416/0x510 [ 56.271376] ? wb_init+0x9e0/0x9e0 [ 56.274910] ? bdi_alloc_node+0x67/0xe0 [ 56.278879] ? bdi_alloc_node+0x67/0xe0 [ 56.283019] ? rcu_read_lock_sched_held+0x108/0x120 [ 56.288201] ? kmem_cache_alloc_node_trace+0x34e/0x770 [ 56.293491] ? _raw_spin_unlock+0x22/0x30 [ 56.297643] bdi_register_va+0x68/0x80 [ 56.301536] super_setup_bdi_name+0x123/0x220 [ 56.306032] ? kill_block_super+0x100/0x100 [ 56.310381] ? kmem_cache_alloc_trace+0x616/0x780 [ 56.315307] ? match_wildcard+0x3c0/0x3c0 [ 56.319452] ? trace_hardirqs_on+0xd/0x10 [ 56.323603] fuse_fill_super+0xe6e/0x1e20 [ 56.327745] ? fuse_get_root_inode+0x190/0x190 [ 56.332319] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 56.337329] ? kasan_check_read+0x11/0x20 [ 56.341475] ? cap_capable+0x1f9/0x260 [ 56.345363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 56.350900] ? security_capable+0x99/0xc0 [ 56.355057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 56.360599] ? ns_capable_common+0x13f/0x170 [ 56.365012] ? get_anon_bdev+0x2f0/0x2f0 [ 56.369075] ? sget+0x113/0x150 [ 56.372347] ? fuse_get_root_inode+0x190/0x190 [ 56.376921] mount_nodev+0x6b/0x110 [ 56.380570] fuse_mount+0x2c/0x40 [ 56.384026] mount_fs+0xae/0x328 [ 56.387406] vfs_kern_mount.part.34+0xd4/0x4d0 [ 56.391992] ? may_umount+0xb0/0xb0 [ 56.395616] ? _raw_read_unlock+0x22/0x30 [ 56.399755] ? __get_fs_type+0x97/0xc0 [ 56.403639] do_mount+0x564/0x3070 [ 56.407184] ? copy_mount_string+0x40/0x40 [ 56.411427] ? rcu_pm_notify+0xc0/0xc0 [ 56.415311] ? copy_mount_options+0x5f/0x380 [ 56.419710] ? rcu_read_lock_sched_held+0x108/0x120 [ 56.424727] ? kmem_cache_alloc_trace+0x616/0x780 [ 56.429573] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 56.435105] ? _copy_from_user+0xdf/0x150 [ 56.439260] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 56.444790] ? copy_mount_options+0x285/0x380 [ 56.449286] ksys_mount+0x12d/0x140 [ 56.452912] __x64_sys_mount+0xbe/0x150 [ 56.456877] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 56.461887] do_syscall_64+0x1b1/0x800 [ 56.465774] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 56.470621] ? syscall_return_slowpath+0x5c0/0x5c0 [ 56.475544] ? syscall_return_slowpath+0x30f/0x5c0 [ 56.480467] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 56.485827] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.490666] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 56.495855] RIP: 0033:0x455a09 [ 56.499038] RSP: 002b:00007ffc744f0ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 56.506747] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000455a09 [ 56.514024] RDX: 00000000004c1eb6 RSI: 00000000200001c0 RDI: 00000000004de0c5 [ 56.521298] RBP: 0000000000000000 R08: 00007ffc744f0ad0 R09: 0000000000000000 [ 56.528564] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 56.535829] R13: 00000000200001c0 R14: 0000000000000000 R15: 0000000000000000 [ 56.596258] FAULT_INJECTION: forcing a failure. [ 56.596258] name failslab, interval 1, probability 0, space 0, times 0 [ 56.607669] CPU: 1 PID: 4531 Comm: syz-executor6 Not tainted 4.17.0-rc5+ #52 [ 56.614877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.620636] FAULT_INJECTION: forcing a failure. [ 56.620636] name failslab, interval 1, probability 0, space 0, times 0 [ 56.624412] Call Trace: [ 56.624434] dump_stack+0x1b9/0x294 [ 56.624450] ? dump_stack_print_info.cold.2+0x52/0x52 [ 56.624464] ? __lock_acquire+0x7f5/0x5140 [ 56.624485] ? __lock_acquire+0x7f5/0x5140 [ 56.655472] should_fail.cold.4+0xa/0x1a [ 56.659548] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 56.664656] ? debug_check_no_locks_freed+0x310/0x310 [ 56.669850] ? kasan_check_write+0x14/0x20 [ 56.674089] ? __init_rwsem+0x1c4/0x290 [ 56.678080] ? graph_lock+0x170/0x170 [ 56.681880] ? find_held_lock+0x36/0x1c0 [ 56.685971] ? find_held_lock+0x36/0x1c0 [ 56.690040] ? __lock_is_held+0xb5/0x140 [ 56.694120] ? check_same_owner+0x320/0x320 [ 56.698446] ? graph_lock+0x170/0x170 [ 56.702253] ? rcu_note_context_switch+0x710/0x710 [ 56.707196] __should_failslab+0x124/0x180 [ 56.711437] should_failslab+0x9/0x14 [ 56.715241] kmem_cache_alloc+0x2af/0x760 [ 56.719391] ? find_held_lock+0x36/0x1c0 [ 56.723458] fuse_alloc_inode+0x96/0x4f0 [ 56.727522] ? fuse_dev_alloc+0x4e0/0x4e0 [ 56.731667] ? lock_downgrade+0x8e0/0x8e0 [ 56.735862] ? kasan_check_read+0x11/0x20 [ 56.740024] ? do_raw_spin_unlock+0x9e/0x2e0 [ 56.744441] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 56.749025] ? kasan_check_write+0x14/0x20 [ 56.753264] ? find_inode.isra.19+0xc3/0x1d0 [ 56.757670] ? fuse_dev_alloc+0x4e0/0x4e0 [ 56.761818] alloc_inode+0x63/0x190 [ 56.765448] iget5_locked+0x20e/0x570 [ 56.769245] ? fuse_inode_eq+0x80/0x80 [ 56.773127] ? fuse_init_file_inode+0x70/0x70 [ 56.777623] ? inode_lru_isolate+0x580/0x580 [ 56.782029] ? cgwb_kill+0x630/0x630 [ 56.785747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 56.791289] ? print_usage_bug+0xc0/0xc0 [ 56.795358] fuse_iget+0x1cc/0x820 [ 56.798914] ? fuse_change_attributes+0x810/0x810 [ 56.803764] ? _raw_spin_unlock+0x22/0x30 [ 56.807938] fuse_get_root_inode+0x121/0x190 [ 56.812351] ? fuse_iget+0x820/0x820 [ 56.816076] ? _raw_spin_unlock_bh+0x30/0x40 [ 56.820490] ? bdi_set_max_ratio+0x112/0x150 [ 56.824901] fuse_fill_super+0x11e0/0x1e20 [ 56.829146] ? fuse_get_root_inode+0x190/0x190 [ 56.833730] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 56.838753] ? kasan_check_read+0x11/0x20 [ 56.842904] ? cap_capable+0x1f9/0x260 [ 56.846824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 56.852362] ? security_capable+0x99/0xc0 [ 56.856514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 56.862052] ? ns_capable_common+0x13f/0x170 [ 56.866460] ? get_anon_bdev+0x2f0/0x2f0 [ 56.870521] ? sget+0x113/0x150 [ 56.873800] ? fuse_get_root_inode+0x190/0x190 [ 56.878383] mount_nodev+0x6b/0x110 [ 56.882015] fuse_mount+0x2c/0x40 [ 56.885474] mount_fs+0xae/0x328 [ 56.888848] vfs_kern_mount.part.34+0xd4/0x4d0 [ 56.893441] ? may_umount+0xb0/0xb0 [ 56.897067] ? _raw_read_unlock+0x22/0x30 [ 56.901212] ? __get_fs_type+0x97/0xc0 [ 56.905102] do_mount+0x564/0x3070 [ 56.908645] ? copy_mount_string+0x40/0x40 [ 56.912877] ? rcu_pm_notify+0xc0/0xc0 [ 56.916768] ? copy_mount_options+0x5f/0x380 [ 56.922768] ? rcu_read_lock_sched_held+0x108/0x120 [ 56.927793] ? kmem_cache_alloc_trace+0x616/0x780 [ 56.932643] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 56.938192] ? _copy_from_user+0xdf/0x150 [ 56.942354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 56.947892] ? copy_mount_options+0x285/0x380 [ 56.952394] ksys_mount+0x12d/0x140 [ 56.956077] __x64_sys_mount+0xbe/0x150 [ 56.960052] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 56.965070] do_syscall_64+0x1b1/0x800 [ 56.968960] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 56.973805] ? syscall_return_slowpath+0x5c0/0x5c0 [ 56.978739] ? syscall_return_slowpath+0x30f/0x5c0 [ 56.983674] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 56.989044] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.993899] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 56.999352] RIP: 0033:0x455a09 [ 57.002532] RSP: 002b:00007ffe42cd1fc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 57.010236] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000455a09 [ 57.017502] RDX: 00000000004c1eb6 RSI: 00000000200001c0 RDI: 00000000004de0c5 [ 57.024766] RBP: 0000000000000000 R08: 00007ffe42cd1fe0 R09: 0000000000000000 [ 57.032031] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 57.039296] R13: 00000000200001c0 R14: 0000000000000000 R15: 0000000000000000 [ 57.046594] CPU: 0 PID: 4534 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #52 [ 57.053797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.063165] Call Trace: [ 57.065781] dump_stack+0x1b9/0x294 [ 57.069470] ? dump_stack_print_info.cold.2+0x52/0x52 [ 57.074690] ? lockdep_init_map+0x9/0x10 [ 57.078783] should_fail.cold.4+0xa/0x1a [ 57.082869] ? print_usage_bug+0xc0/0xc0 [ 57.086961] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 57.092094] ? graph_lock+0x170/0x170 [ 57.095921] ? find_held_lock+0x36/0x1c0 [ 57.097765] FAULT_INJECTION: forcing a failure. [ 57.097765] name failslab, interval 1, probability 0, space 0, times 0 [ 57.100003] ? find_held_lock+0x36/0x1c0 [ 57.100020] ? __lock_is_held+0xb5/0x140 [ 57.100047] ? check_same_owner+0x320/0x320 [ 57.100062] ? make_kgid+0x23/0x30 [ 57.100075] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 57.100098] ? rcu_note_context_switch+0x710/0x710 [ 57.137666] __should_failslab+0x124/0x180 [ 57.141916] should_failslab+0x9/0x14 [ 57.145724] kmem_cache_alloc+0x2af/0x760 [ 57.149874] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 57.154466] ? kasan_check_write+0x14/0x20 [ 57.158709] ? do_raw_spin_lock+0xc1/0x200 [ 57.162948] __d_alloc+0xc0/0xd30 [ 57.166400] ? fuse_iget+0x1dd/0x820 [ 57.170119] ? shrink_dcache_for_umount+0x290/0x290 [ 57.175136] ? fuse_change_attributes+0x810/0x810 [ 57.179981] ? _raw_spin_unlock+0x22/0x30 [ 57.184136] ? fuse_get_root_inode+0x121/0x190 [ 57.188729] ? fuse_iget+0x820/0x820 [ 57.192544] d_make_root+0x42/0x90 [ 57.196099] fuse_fill_super+0x120e/0x1e20 [ 57.200352] ? fuse_get_root_inode+0x190/0x190 [ 57.204942] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 57.209970] ? kasan_check_read+0x11/0x20 [ 57.214306] ? cap_capable+0x1f9/0x260 [ 57.218209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 57.223837] ? security_capable+0x99/0xc0 [ 57.227989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 57.233536] ? ns_capable_common+0x13f/0x170 [ 57.237946] ? get_anon_bdev+0x2f0/0x2f0 [ 57.242002] ? sget+0x113/0x150 [ 57.245284] ? fuse_get_root_inode+0x190/0x190 [ 57.249955] mount_nodev+0x6b/0x110 [ 57.253590] fuse_mount+0x2c/0x40 [ 57.257043] mount_fs+0xae/0x328 [ 57.260420] vfs_kern_mount.part.34+0xd4/0x4d0 [ 57.265006] ? may_umount+0xb0/0xb0 [ 57.268632] ? _raw_read_unlock+0x22/0x30 [ 57.272782] ? __get_fs_type+0x97/0xc0 [ 57.276673] do_mount+0x564/0x3070 [ 57.280215] ? do_raw_spin_unlock+0x9e/0x2e0 [ 57.284625] ? copy_mount_string+0x40/0x40 [ 57.288869] ? rcu_pm_notify+0xc0/0xc0 [ 57.293461] ? copy_mount_options+0x5f/0x380 [ 57.297878] ? rcu_read_lock_sched_held+0x108/0x120 [ 57.302990] ? kmem_cache_alloc_trace+0x616/0x780 [ 57.307841] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 57.313394] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 57.318942] ? copy_mount_options+0x285/0x380 [ 57.323445] ksys_mount+0x12d/0x140 [ 57.327074] __x64_sys_mount+0xbe/0x150 [ 57.331218] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 57.336237] do_syscall_64+0x1b1/0x800 [ 57.340128] ? syscall_return_slowpath+0x5c0/0x5c0 [ 57.345058] ? syscall_return_slowpath+0x30f/0x5c0 [ 57.349994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 57.355536] ? retint_user+0x18/0x18 [ 57.359256] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 57.364107] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 57.369327] RIP: 0033:0x455a09 [ 57.372511] RSP: 002b:00007ffe250dc428 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 57.380246] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000455a09 [ 57.387520] RDX: 00000000004c1eb6 RSI: 00000000200001c0 RDI: 00000000004de0c5 [ 57.394790] RBP: 0000000000000000 R08: 00007ffe250dc440 R09: 0000000000000000 [ 57.402054] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 57.409331] R13: 00000000200001c0 R14: 0000000000000000 R15: 0000000000000000 [ 57.416617] CPU: 1 PID: 4535 Comm: syz-executor2 Not tainted 4.17.0-rc5+ #52 [ 57.422149] FAULT_INJECTION: forcing a failure. [ 57.422149] name failslab, interval 1, probability 0, space 0, times 0 [ 57.423816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.423821] Call Trace: [ 57.423844] dump_stack+0x1b9/0x294 [ 57.423861] ? dump_stack_print_info.cold.2+0x52/0x52 [ 57.423883] ? lockdep_init_map+0x9/0x10 [ 57.460009] should_fail.cold.4+0xa/0x1a [ 57.464075] ? print_usage_bug+0xc0/0xc0 [ 57.468139] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 57.473252] ? graph_lock+0x170/0x170 [ 57.477052] ? find_held_lock+0x36/0x1c0 [ 57.481125] ? find_held_lock+0x36/0x1c0 [ 57.485189] ? __lock_is_held+0xb5/0x140 [ 57.489258] ? check_same_owner+0x320/0x320 [ 57.493577] ? make_kgid+0x23/0x30 [ 57.497123] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 57.502671] ? rcu_note_context_switch+0x710/0x710 [ 57.507608] __should_failslab+0x124/0x180 [ 57.511851] should_failslab+0x9/0x14 [ 57.515656] kmem_cache_alloc+0x2af/0x760 [ 57.519806] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 57.524394] ? kasan_check_write+0x14/0x20 [ 57.528645] ? do_raw_spin_lock+0xc1/0x200 [ 57.532882] __d_alloc+0xc0/0xd30 [ 57.536341] ? fuse_iget+0x1dd/0x820 [ 57.540057] ? shrink_dcache_for_umount+0x290/0x290 [ 57.545084] ? fuse_change_attributes+0x810/0x810 [ 57.549940] ? _raw_spin_unlock+0x22/0x30 [ 57.554097] ? fuse_get_root_inode+0x121/0x190 [ 57.558678] ? fuse_iget+0x820/0x820 [ 57.562400] d_make_root+0x42/0x90 [ 57.565943] fuse_fill_super+0x120e/0x1e20 [ 57.570207] ? fuse_get_root_inode+0x190/0x190 [ 57.574796] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 57.579903] ? kasan_check_read+0x11/0x20 [ 57.584054] ? cap_capable+0x1f9/0x260 [ 57.587949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 57.593487] ? security_capable+0x99/0xc0 [ 57.597642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 57.603203] ? ns_capable_common+0x13f/0x170 [ 57.607622] ? get_anon_bdev+0x2f0/0x2f0 [ 57.611683] ? sget+0x113/0x150 [ 57.614966] ? fuse_get_root_inode+0x190/0x190 [ 57.619552] mount_nodev+0x6b/0x110 [ 57.623183] fuse_mount+0x2c/0x40 [ 57.626652] mount_fs+0xae/0x328 [ 57.630035] vfs_kern_mount.part.34+0xd4/0x4d0 [ 57.634628] ? may_umount+0xb0/0xb0 [ 57.638254] ? _raw_read_unlock+0x22/0x30 [ 57.642402] ? __get_fs_type+0x97/0xc0 [ 57.646294] do_mount+0x564/0x3070 [ 57.649840] ? do_raw_spin_unlock+0x9e/0x2e0 [ 57.654261] ? copy_mount_string+0x40/0x40 [ 57.658500] ? rcu_pm_notify+0xc0/0xc0 [ 57.662407] ? copy_mount_options+0x5f/0x380 [ 57.666816] ? rcu_read_lock_sched_held+0x108/0x120 [ 57.671841] ? kmem_cache_alloc_trace+0x616/0x780 [ 57.676699] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 57.682248] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 57.687788] ? copy_mount_options+0x285/0x380 [ 57.692308] ksys_mount+0x12d/0x140 [ 57.695936] __x64_sys_mount+0xbe/0x150 [ 57.699921] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 57.704942] do_syscall_64+0x1b1/0x800 [ 57.708832] ? syscall_return_slowpath+0x5c0/0x5c0 [ 57.713762] ? syscall_return_slowpath+0x30f/0x5c0 [ 57.718694] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 57.724060] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 57.728928] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 57.734114] RIP: 0033:0x455a09 [ 57.737305] RSP: 002b:00007ffc744f0ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 57.745016] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000455a09 [ 57.752557] RDX: 00000000004c1eb6 RSI: 00000000200001c0 RDI: 00000000004de0c5 [ 57.759827] RBP: 0000000000000000 R08: 00007ffc744f0ad0 R09: 0000000000000000 [ 57.767098] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 57.774371] R13: 00000000200001c0 R14: 0000000000000000 R15: 0000000000000000 [ 57.781665] CPU: 0 PID: 4527 Comm: syz-executor3 Not tainted 4.17.0-rc5+ #52 [ 57.788889] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.798252] Call Trace: [ 57.800862] dump_stack+0x1b9/0x294 [ 57.804516] ? dump_stack_print_info.cold.2+0x52/0x52 [ 57.805352] FAULT_INJECTION: forcing a failure. [ 57.805352] name failslab, interval 1, probability 0, space 0, times 0 [ 57.809722] ? __save_stack_trace+0x7e/0xd0 [ 57.809741] should_fail.cold.4+0xa/0x1a [ 57.809757] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 57.809771] ? save_stack+0x43/0xd0 [ 57.809781] ? kasan_kmalloc+0xc4/0xe0 [ 57.809791] ? kasan_slab_alloc+0x12/0x20 [ 57.809812] ? kmem_cache_alloc+0x12e/0x760 [ 57.850363] ? fuse_alloc_inode+0x96/0x4f0 [ 57.854605] ? alloc_inode+0x63/0x190 [ 57.858405] ? iget5_locked+0x20e/0x570 [ 57.862378] ? graph_lock+0x170/0x170 [ 57.866181] ? print_usage_bug+0xc0/0xc0 [ 57.870240] ? vfs_kern_mount.part.34+0xd4/0x4d0 [ 57.874994] ? do_mount+0x564/0x3070 [ 57.878716] ? ksys_mount+0x12d/0x140 [ 57.882512] ? __x64_sys_mount+0xbe/0x150 [ 57.886663] ? find_held_lock+0x36/0x1c0 [ 57.890727] ? __lock_is_held+0xb5/0x140 [ 57.894810] ? check_same_owner+0x320/0x320 [ 57.899131] ? __mutex_init+0x1ef/0x280 [ 57.903104] ? rcu_note_context_switch+0x710/0x710 [ 57.908032] ? __ia32_sys_membarrier+0x150/0x150 [ 57.912793] __should_failslab+0x124/0x180 [ 57.917041] should_failslab+0x9/0x14 [ 57.920843] kmem_cache_alloc_trace+0x2cb/0x780 [ 57.925523] ? init_wait_entry+0x1b0/0x1b0 [ 57.929767] ? find_held_lock+0x36/0x1c0 [ 57.933837] fuse_alloc_inode+0x3ae/0x4f0 [ 57.937996] ? fuse_dev_alloc+0x4e0/0x4e0 [ 57.942147] ? lock_downgrade+0x8e0/0x8e0 [ 57.946304] ? kasan_check_read+0x11/0x20 [ 57.950454] ? do_raw_spin_unlock+0x9e/0x2e0 [ 57.954866] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 57.959450] ? kasan_check_write+0x14/0x20 [ 57.963690] ? find_inode.isra.19+0xc3/0x1d0 [ 57.968306] ? fuse_dev_alloc+0x4e0/0x4e0 [ 57.972546] alloc_inode+0x63/0x190 [ 57.976187] iget5_locked+0x20e/0x570 [ 57.979991] ? fuse_inode_eq+0x80/0x80 [ 57.983880] ? fuse_init_file_inode+0x70/0x70 [ 57.988382] ? inode_lru_isolate+0x580/0x580 [ 57.992813] ? cgwb_kill+0x630/0x630 [ 57.996555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 58.002094] ? print_usage_bug+0xc0/0xc0 [ 58.006160] fuse_iget+0x1cc/0x820 [ 58.009715] ? fuse_change_attributes+0x810/0x810 [ 58.014563] ? _raw_spin_unlock+0x22/0x30 [ 58.018734] fuse_get_root_inode+0x121/0x190 [ 58.023141] ? fuse_iget+0x820/0x820 [ 58.026864] ? _raw_spin_unlock_bh+0x30/0x40 [ 58.031273] ? bdi_set_max_ratio+0x112/0x150 [ 58.035688] fuse_fill_super+0x11e0/0x1e20 [ 58.039937] ? fuse_get_root_inode+0x190/0x190 [ 58.044527] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 58.049550] ? kasan_check_read+0x11/0x20 [ 58.053703] ? cap_capable+0x1f9/0x260 [ 58.057605] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 58.063157] ? security_capable+0x99/0xc0 [ 58.067314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 58.072851] ? ns_capable_common+0x13f/0x170 [ 58.077266] ? get_anon_bdev+0x2f0/0x2f0 [ 58.081329] ? sget+0x113/0x150 [ 58.084615] ? fuse_get_root_inode+0x190/0x190 [ 58.089202] mount_nodev+0x6b/0x110 [ 58.092830] fuse_mount+0x2c/0x40 [ 58.096283] mount_fs+0xae/0x328 [ 58.099656] vfs_kern_mount.part.34+0xd4/0x4d0 [ 58.104238] ? may_umount+0xb0/0xb0 [ 58.107868] ? _raw_read_unlock+0x22/0x30 [ 58.112014] ? __get_fs_type+0x97/0xc0 [ 58.115907] do_mount+0x564/0x3070 [ 58.119450] ? do_raw_spin_unlock+0x9e/0x2e0 [ 58.123860] ? copy_mount_string+0x40/0x40 [ 58.128093] ? rcu_pm_notify+0xc0/0xc0 [ 58.131985] ? copy_mount_options+0x5f/0x380 [ 58.136400] ? rcu_read_lock_sched_held+0x108/0x120 [ 58.141420] ? kmem_cache_alloc_trace+0x616/0x780 [ 58.146266] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 58.151806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 58.160507] ? copy_mount_options+0x285/0x380 [ 58.165011] ksys_mount+0x12d/0x140 [ 58.168643] __x64_sys_mount+0xbe/0x150 [ 58.172620] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 58.177639] do_syscall_64+0x1b1/0x800 [ 58.181528] ? syscall_return_slowpath+0x5c0/0x5c0 [ 58.186458] ? syscall_return_slowpath+0x30f/0x5c0 [ 58.191398] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 58.196764] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 58.201625] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 58.206829] RIP: 0033:0x455a09 [ 58.210016] RSP: 002b:00007fff9e7cf7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 58.217726] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000455a09 [ 58.224998] RDX: 00000000004c1eb6 RSI: 00000000200001c0 RDI: 00000000004de0c5 [ 58.232267] RBP: 0000000000000000 R08: 00007fff9e7cf7f0 R09: 0000000000000000 [ 58.239536] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 58.246802] R13: 00000000200001c0 R14: 0000000000000000 R15: 0000000000000000 [ 58.254091] CPU: 1 PID: 4529 Comm: syz-executor1 Not tainted 4.17.0-rc5+ #52 [ 58.254628] FAULT_INJECTION: forcing a failure. [ 58.254628] name failslab, interval 1, probability 0, space 0, times 0 [ 58.261284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.261289] Call Trace: [ 58.261311] dump_stack+0x1b9/0x294 [ 58.261327] ? dump_stack_print_info.cold.2+0x52/0x52 [ 58.261348] ? __lock_acquire+0x7f5/0x5140 [ 58.297484] ? __lock_acquire+0x7f5/0x5140 [ 58.301724] should_fail.cold.4+0xa/0x1a [ 58.305787] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 58.310903] ? debug_check_no_locks_freed+0x310/0x310 [ 58.316090] ? kasan_check_write+0x14/0x20 [ 58.320337] ? __init_rwsem+0x1c4/0x290 [ 58.324314] ? graph_lock+0x170/0x170 [ 58.328114] ? find_held_lock+0x36/0x1c0 [ 58.332183] ? find_held_lock+0x36/0x1c0 [ 58.336249] ? __lock_is_held+0xb5/0x140 [ 58.340321] ? check_same_owner+0x320/0x320 [ 58.344643] ? graph_lock+0x170/0x170 [ 58.348448] ? rcu_note_context_switch+0x710/0x710 [ 58.353382] __should_failslab+0x124/0x180 [ 58.357792] should_failslab+0x9/0x14 [ 58.361594] kmem_cache_alloc+0x2af/0x760 [ 58.365762] ? find_held_lock+0x36/0x1c0 [ 58.369833] fuse_alloc_inode+0x96/0x4f0 [ 58.373901] ? fuse_dev_alloc+0x4e0/0x4e0 [ 58.378047] ? lock_downgrade+0x8e0/0x8e0 [ 58.382204] ? kasan_check_read+0x11/0x20 [ 58.386354] ? do_raw_spin_unlock+0x9e/0x2e0 [ 58.390764] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 58.395353] ? kasan_check_write+0x14/0x20 [ 58.399589] ? find_inode.isra.19+0xc3/0x1d0 [ 58.403993] ? fuse_dev_alloc+0x4e0/0x4e0 [ 58.408142] alloc_inode+0x63/0x190 [ 58.411772] iget5_locked+0x20e/0x570 [ 58.415569] ? fuse_inode_eq+0x80/0x80 [ 58.419456] ? fuse_init_file_inode+0x70/0x70 [ 58.423957] ? inode_lru_isolate+0x580/0x580 [ 58.428365] ? cgwb_kill+0x630/0x630 [ 58.432080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 58.437617] ? print_usage_bug+0xc0/0xc0 [ 58.441677] fuse_iget+0x1cc/0x820 [ 58.445223] ? fuse_change_attributes+0x810/0x810 [ 58.450078] ? _raw_spin_unlock+0x22/0x30 [ 58.454231] fuse_get_root_inode+0x121/0x190 [ 58.458640] ? fuse_iget+0x820/0x820 [ 58.462363] ? _raw_spin_unlock_bh+0x30/0x40 [ 58.466770] ? bdi_set_max_ratio+0x112/0x150 [ 58.471177] fuse_fill_super+0x11e0/0x1e20 [ 58.475419] ? fuse_get_root_inode+0x190/0x190 [ 58.480006] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 58.485031] ? kasan_check_read+0x11/0x20 [ 58.489182] ? cap_capable+0x1f9/0x260 [ 58.493074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 58.498612] ? security_capable+0x99/0xc0 [ 58.502942] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 58.508480] ? ns_capable_common+0x13f/0x170 [ 58.512897] ? get_anon_bdev+0x2f0/0x2f0 [ 58.516958] ? sget+0x113/0x150 [ 58.520237] ? fuse_get_root_inode+0x190/0x190 [ 58.524816] mount_nodev+0x6b/0x110 [ 58.528445] fuse_mount+0x2c/0x40 [ 58.531901] mount_fs+0xae/0x328 [ 58.535274] vfs_kern_mount.part.34+0xd4/0x4d0 [ 58.539858] ? may_umount+0xb0/0xb0 [ 58.543487] ? _raw_read_unlock+0x22/0x30 [ 58.547637] ? __get_fs_type+0x97/0xc0 [ 58.551527] do_mount+0x564/0x3070 [ 58.555066] ? do_raw_spin_unlock+0x9e/0x2e0 [ 58.559488] ? interrupt_entry+0xb1/0xf0 [ 58.563551] ? copy_mount_string+0x40/0x40 [ 58.567788] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 58.572548] ? retint_kernel+0x10/0x10 [ 58.576457] ? copy_mount_options+0x213/0x380 [ 58.580953] ? write_comp_data+0x11/0x70 [ 58.585023] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 58.590564] ? copy_mount_options+0x285/0x380 [ 58.595059] ksys_mount+0x12d/0x140 [ 58.598690] __x64_sys_mount+0xbe/0x150 [ 58.602673] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 58.607690] do_syscall_64+0x1b1/0x800 [ 58.611581] ? syscall_return_slowpath+0x5c0/0x5c0 [ 58.616513] ? syscall_return_slowpath+0x30f/0x5c0 [ 58.621447] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 58.626812] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 58.631665] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 58.636854] RIP: 0033:0x455a09 [ 58.640045] RSP: 002b:00007fff6945ab88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 58.647755] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000455a09 [ 58.655024] RDX: 00000000004c1eb6 RSI: 00000000200001c0 RDI: 00000000004de0c5 [ 58.662292] RBP: 0000000000000000 R08: 00007fff6945aba0 R09: 0000000000000000 [ 58.669561] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 58.677117] R13: 00000000200001c0 R14: 0000000000000000 R15: 0000000000000000 [ 58.684404] CPU: 0 PID: 4530 Comm: syz-executor5 Not tainted 4.17.0-rc5+ #52 [ 58.691616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.694707] FAULT_INJECTION: forcing a failure. [ 58.694707] name failslab, interval 1, probability 0, space 0, times 0 [ 58.700978] Call Trace: [ 58.701000] dump_stack+0x1b9/0x294 [ 58.701015] ? dump_stack_print_info.cold.2+0x52/0x52 [ 58.701031] ? lockdep_init_map+0x9/0x10 [ 58.701051] should_fail.cold.4+0xa/0x1a [ 58.701061] ? print_usage_bug+0xc0/0xc0 [ 58.701075] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 58.701095] ? graph_lock+0x170/0x170 [ 58.744643] ? find_held_lock+0x36/0x1c0 [ 58.748709] ? find_held_lock+0x36/0x1c0 [ 58.752772] ? __lock_is_held+0xb5/0x140 [ 58.756844] ? check_same_owner+0x320/0x320 [ 58.761171] ? make_kgid+0x23/0x30 [ 58.764712] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 58.770256] ? rcu_note_context_switch+0x710/0x710 [ 58.775192] __should_failslab+0x124/0x180 [ 58.779431] should_failslab+0x9/0x14 [ 58.783246] kmem_cache_alloc+0x2af/0x760 [ 58.787411] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 58.791996] ? kasan_check_write+0x14/0x20 [ 58.796233] ? do_raw_spin_lock+0xc1/0x200 [ 58.800469] __d_alloc+0xc0/0xd30 [ 58.803926] ? fuse_iget+0x1dd/0x820 [ 58.807653] ? shrink_dcache_for_umount+0x290/0x290 [ 58.812675] ? fuse_change_attributes+0x810/0x810 [ 58.817523] ? _raw_spin_unlock+0x22/0x30 [ 58.821678] ? fuse_get_root_inode+0x121/0x190 [ 58.826264] ? fuse_iget+0x820/0x820 [ 58.829988] d_make_root+0x42/0x90 [ 58.833531] fuse_fill_super+0x120e/0x1e20 [ 58.837773] ? fuse_get_root_inode+0x190/0x190 [ 58.842413] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 58.847435] ? kasan_check_read+0x11/0x20 [ 58.851589] ? cap_capable+0x1f9/0x260 [ 58.855481] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 58.861020] ? security_capable+0x99/0xc0 [ 58.865174] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 58.870712] ? ns_capable_common+0x13f/0x170 [ 58.875303] ? get_anon_bdev+0x2f0/0x2f0 [ 58.879371] ? sget+0x113/0x150 [ 58.882655] ? fuse_get_root_inode+0x190/0x190 [ 58.887235] mount_nodev+0x6b/0x110 [ 58.890863] fuse_mount+0x2c/0x40 [ 58.894318] mount_fs+0xae/0x328 [ 58.897685] vfs_kern_mount.part.34+0xd4/0x4d0 [ 58.902270] ? may_umount+0xb0/0xb0 [ 58.905896] ? _raw_read_unlock+0x22/0x30 [ 58.910043] ? __get_fs_type+0x97/0xc0 [ 58.913934] do_mount+0x564/0x3070 [ 58.917479] ? do_raw_spin_unlock+0x9e/0x2e0 [ 58.921889] ? copy_mount_string+0x40/0x40 [ 58.926127] ? rcu_pm_notify+0xc0/0xc0 [ 58.930022] ? copy_mount_options+0x5f/0x380 [ 58.934457] ? rcu_read_lock_sched_held+0x108/0x120 [ 58.939478] ? kmem_cache_alloc_trace+0x616/0x780 [ 58.944328] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 58.949873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 58.955409] ? copy_mount_options+0x285/0x380 [ 58.959911] ksys_mount+0x12d/0x140 [ 58.963545] __x64_sys_mount+0xbe/0x150 [ 58.967521] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 58.972542] do_syscall_64+0x1b1/0x800 [ 58.976430] ? syscall_return_slowpath+0x5c0/0x5c0 [ 58.981364] ? syscall_return_slowpath+0x30f/0x5c0 [ 58.986302] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 58.991693] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 58.996547] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.001741] RIP: 0033:0x455a09 [ 59.004927] RSP: 002b:00007ffcbe434098 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 59.012641] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000455a09 [ 59.019911] RDX: 00000000004c1eb6 RSI: 00000000200001c0 RDI: 00000000004de0c5 [ 59.027179] RBP: 0000000000000000 R08: 00007ffcbe4340b0 R09: 0000000000000000 [ 59.034452] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 59.041720] R13: 00000000200001c0 R14: 0000000000000000 R15: 0000000000000000 [ 59.049013] CPU: 1 PID: 4540 Comm: syz-executor4 Not tainted 4.17.0-rc5+ #52 [ 59.056218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.065587] Call Trace: [ 59.068178] dump_stack+0x1b9/0x294 [ 59.071799] ? dump_stack_print_info.cold.2+0x52/0x52 [ 59.076992] ? __lock_acquire+0x7f5/0x5140 [ 59.081219] ? __lock_acquire+0x7f5/0x5140 [ 59.085452] should_fail.cold.4+0xa/0x1a [ 59.089514] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 59.094613] ? debug_check_no_locks_freed+0x310/0x310 [ 59.099802] ? kasan_check_write+0x14/0x20 [ 59.104035] ? __init_rwsem+0x1c4/0x290 [ 59.107999] ? graph_lock+0x170/0x170 [ 59.111795] ? find_held_lock+0x36/0x1c0 [ 59.115876] ? find_held_lock+0x36/0x1c0 [ 59.119943] ? __lock_is_held+0xb5/0x140 [ 59.124017] ? check_same_owner+0x320/0x320 [ 59.128334] ? graph_lock+0x170/0x170 [ 59.132129] ? rcu_note_context_switch+0x710/0x710 [ 59.137056] __should_failslab+0x124/0x180 [ 59.141285] should_failslab+0x9/0x14 [ 59.145079] kmem_cache_alloc+0x2af/0x760 [ 59.149216] ? find_held_lock+0x36/0x1c0 [ 59.153272] fuse_alloc_inode+0x96/0x4f0 [ 59.157321] ? fuse_dev_alloc+0x4e0/0x4e0 [ 59.161464] ? lock_downgrade+0x8e0/0x8e0 [ 59.165607] ? kasan_check_read+0x11/0x20 [ 59.169755] ? do_raw_spin_unlock+0x9e/0x2e0 [ 59.174151] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 59.178722] ? kasan_check_write+0x14/0x20 [ 59.182954] ? find_inode.isra.19+0xc3/0x1d0 [ 59.187350] ? fuse_dev_alloc+0x4e0/0x4e0 [ 59.192791] alloc_inode+0x63/0x190 [ 59.196408] iget5_locked+0x20e/0x570 [ 59.200202] ? fuse_inode_eq+0x80/0x80 [ 59.204090] ? fuse_init_file_inode+0x70/0x70 [ 59.208576] ? inode_lru_isolate+0x580/0x580 [ 59.212974] ? cgwb_kill+0x630/0x630 [ 59.216689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 59.222215] ? print_usage_bug+0xc0/0xc0 [ 59.226266] fuse_iget+0x1cc/0x820 [ 59.229800] ? fuse_change_attributes+0x810/0x810 [ 59.234634] ? _raw_spin_unlock+0x22/0x30 [ 59.238777] fuse_get_root_inode+0x121/0x190 [ 59.243188] ? fuse_iget+0x820/0x820 [ 59.246913] ? _raw_spin_unlock_bh+0x30/0x40 [ 59.251315] ? bdi_set_max_ratio+0x112/0x150 [ 59.255719] fuse_fill_super+0x11e0/0x1e20 [ 59.259950] ? fuse_get_root_inode+0x190/0x190 [ 59.264527] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 59.269541] ? kasan_check_read+0x11/0x20 [ 59.273680] ? cap_capable+0x1f9/0x260 [ 59.277572] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 59.283098] ? security_capable+0x99/0xc0 [ 59.287247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 59.292769] ? ns_capable_common+0x13f/0x170 [ 59.297171] ? get_anon_bdev+0x2f0/0x2f0 [ 59.301229] ? sget+0x113/0x150 [ 59.304509] ? fuse_get_root_inode+0x190/0x190 [ 59.309079] mount_nodev+0x6b/0x110 [ 59.312694] fuse_mount+0x2c/0x40 [ 59.316161] mount_fs+0xae/0x328 [ 59.319525] vfs_kern_mount.part.34+0xd4/0x4d0 [ 59.324100] ? may_umount+0xb0/0xb0 [ 59.327714] ? _raw_read_unlock+0x22/0x30 [ 59.331846] ? __get_fs_type+0x97/0xc0 [ 59.335742] do_mount+0x564/0x3070 [ 59.339275] ? do_raw_spin_unlock+0x9e/0x2e0 [ 59.343674] ? copy_mount_string+0x40/0x40 [ 59.347897] ? rcu_pm_notify+0xc0/0xc0 [ 59.351789] ? copy_mount_options+0x5f/0x380 [ 59.356186] ? rcu_read_lock_sched_held+0x108/0x120 [ 59.361200] ? kmem_cache_alloc_trace+0x616/0x780 [ 59.366042] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 59.371585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 59.377126] ? copy_mount_options+0x285/0x380 [ 59.381612] ksys_mount+0x12d/0x140 [ 59.385228] __x64_sys_mount+0xbe/0x150 [ 59.389199] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 59.394205] do_syscall_64+0x1b1/0x800 [ 59.398080] ? syscall_return_slowpath+0x5c0/0x5c0 [ 59.403003] ? syscall_return_slowpath+0x30f/0x5c0 [ 59.407929] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 59.413286] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 59.418135] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.423316] RIP: 0033:0x455a09 [ 59.426506] RSP: 002b:00007ffd3177ea78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 59.434226] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000455a09 [ 59.441492] RDX: 00000000004c1eb6 RSI: 00000000200001c0 RDI: 00000000004de0c5 [ 59.448762] RBP: 0000000000000000 R08: 00007ffd3177ea90 R09: 0000000000000000 [ 59.456024] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 59.463285] R13: 00000000200001c0 R14: 0000000000000000 R15: 0000000000000000 [ 59.471234] ================================================================== [ 59.478657] BUG: KASAN: use-after-free in __lock_acquire+0x3888/0x5140 [ 59.485333] Read of size 8 at addr ffff8801b5159e08 by task syz-executor6/4531 [ 59.492698] [ 59.493183] FAULT_INJECTION: forcing a failure. [ 59.493183] name failslab, interval 1, probability 0, space 0, times 0 [ 59.494347] CPU: 0 PID: 4531 Comm: syz-executor6 Not tainted 4.17.0-rc5+ #52 [ 59.494354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.494385] Call Trace: [ 59.524726] dump_stack+0x1b9/0x294 [ 59.528345] ? dump_stack_print_info.cold.2+0x52/0x52 [ 59.533527] ? printk+0x9e/0xba [ 59.536798] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 59.541543] ? kasan_check_write+0x14/0x20 [ 59.545768] print_address_description+0x6c/0x20b [ 59.550600] ? __lock_acquire+0x3888/0x5140 [ 59.554912] kasan_report.cold.7+0x242/0x2fe [ 59.559315] __asan_report_load8_noabort+0x14/0x20 [ 59.564244] __lock_acquire+0x3888/0x5140 [ 59.568385] ? lock_downgrade+0x8e0/0x8e0 [ 59.572526] ? kasan_check_read+0x11/0x20 [ 59.576665] ? rcu_is_watching+0x85/0x140 [ 59.580806] ? debug_check_no_locks_freed+0x310/0x310 [ 59.585990] ? is_bpf_text_address+0xd7/0x170 [ 59.590494] ? kernel_text_address+0x79/0xf0 [ 59.594900] ? __unwind_start+0x166/0x330 [ 59.599048] ? __kernel_text_address+0xd/0x40 [ 59.603544] ? unwind_get_return_address+0x61/0xa0 [ 59.608469] ? __save_stack_trace+0x7e/0xd0 [ 59.612785] ? save_stack+0xa9/0xd0 [ 59.616400] ? save_stack+0x43/0xd0 [ 59.620016] ? __kasan_slab_free+0x11a/0x170 [ 59.624417] ? kasan_slab_free+0xe/0x10 [ 59.628383] ? kfree+0xd9/0x260 [ 59.631654] ? unregister_shrinker+0x216/0x3a0 [ 59.636226] ? deactivate_locked_super+0x70/0x100 [ 59.641061] ? mount_nodev+0xfa/0x110 [ 59.644850] ? fuse_mount+0x2c/0x40 [ 59.648471] ? mount_fs+0xae/0x328 [ 59.652002] ? vfs_kern_mount.part.34+0xd4/0x4d0 [ 59.656758] ? do_mount+0x564/0x3070 [ 59.660469] ? ksys_mount+0x12d/0x140 [ 59.664266] ? graph_lock+0x170/0x170 [ 59.668061] ? kasan_check_read+0x11/0x20 [ 59.672202] ? do_raw_spin_unlock+0x9e/0x2e0 [ 59.676602] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 59.681176] ? print_usage_bug+0xc0/0xc0 [ 59.685232] ? kasan_check_write+0x14/0x20 [ 59.689466] ? do_raw_spin_lock+0xc1/0x200 [ 59.693704] lock_acquire+0x1dc/0x520 [ 59.697502] ? fuse_kill_sb_anon+0x50/0xb0 [ 59.701735] ? lock_release+0xa10/0xa10 [ 59.705705] ? check_same_owner+0x320/0x320 [ 59.710026] ? quarantine_put+0xeb/0x190 [ 59.714086] ? rcu_note_context_switch+0x710/0x710 [ 59.719009] ? __might_sleep+0x95/0x190 [ 59.722982] down_write+0x87/0x120 [ 59.726529] ? fuse_kill_sb_anon+0x50/0xb0 [ 59.730757] ? down_read+0x1b0/0x1b0 [ 59.734466] ? perf_trace_mm_vmscan_writepage+0x750/0x750 [ 59.739998] fuse_kill_sb_anon+0x50/0xb0 [ 59.744055] deactivate_locked_super+0x97/0x100 [ 59.748719] ? fuse_get_root_inode+0x190/0x190 [ 59.753296] mount_nodev+0xfa/0x110 [ 59.756917] fuse_mount+0x2c/0x40 [ 59.760367] mount_fs+0xae/0x328 [ 59.763730] vfs_kern_mount.part.34+0xd4/0x4d0 [ 59.768305] ? may_umount+0xb0/0xb0 [ 59.771925] ? _raw_read_unlock+0x22/0x30 [ 59.776059] ? __get_fs_type+0x97/0xc0 [ 59.779940] do_mount+0x564/0x3070 [ 59.783475] ? copy_mount_string+0x40/0x40 [ 59.787704] ? rcu_pm_notify+0xc0/0xc0 [ 59.791592] ? copy_mount_options+0x5f/0x380 [ 59.795998] ? rcu_read_lock_sched_held+0x108/0x120 [ 59.801023] ? kmem_cache_alloc_trace+0x616/0x780 [ 59.805862] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 59.811393] ? _copy_from_user+0xdf/0x150 [ 59.815549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 59.821090] ? copy_mount_options+0x285/0x380 [ 59.825592] ksys_mount+0x12d/0x140 [ 59.829212] __x64_sys_mount+0xbe/0x150 [ 59.833184] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 59.838195] do_syscall_64+0x1b1/0x800 [ 59.842075] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 59.846910] ? syscall_return_slowpath+0x5c0/0x5c0 [ 59.851833] ? syscall_return_slowpath+0x30f/0x5c0 [ 59.856759] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 59.862121] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 59.866961] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.872141] RIP: 0033:0x455a09 [ 59.875321] RSP: 002b:00007ffe42cd1fc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 59.883028] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000455a09 [ 59.890291] RDX: 00000000004c1eb6 RSI: 00000000200001c0 RDI: 00000000004de0c5 [ 59.897557] RBP: 0000000000000000 R08: 00007ffe42cd1fe0 R09: 0000000000000000 [ 59.904836] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 59.912099] R13: 00000000200001c0 R14: 0000000000000000 R15: 0000000000000000 [ 59.919364] [ 59.919375] CPU: 1 PID: 4545 Comm: syz-executor7 Not tainted 4.17.0-rc5+ #52 [ 59.919385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.920994] Allocated by task 4531: [ 59.921013] save_stack+0x43/0xd0 [ 59.928187] Call Trace: [ 59.937540] kasan_kmalloc+0xc4/0xe0 [ 59.941147] dump_stack+0x1b9/0x294 [ 59.944744] kmem_cache_alloc_trace+0x152/0x780 [ 59.944760] fuse_fill_super+0xc92/0x1e20 [ 59.947325] ? dump_stack_print_info.cold.2+0x52/0x52 [ 59.951008] mount_nodev+0x6b/0x110 [ 59.951021] fuse_mount+0x2c/0x40 [ 59.954627] ? graph_lock+0x170/0x170 [ 59.959268] mount_fs+0xae/0x328 [ 59.959282] vfs_kern_mount.part.34+0xd4/0x4d0 [ 59.963425] should_fail.cold.4+0xa/0x1a [ 59.968584] do_mount+0x564/0x3070 [ 59.968597] ksys_mount+0x12d/0x140 [ 59.972207] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 59.975631] __x64_sys_mount+0xbe/0x150 [ 59.975646] do_syscall_64+0x1b1/0x800 [ 59.979436] ? graph_lock+0x170/0x170 [ 59.982781] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.982787] [ 59.987353] ? lock_downgrade+0x8e0/0x8e0 [ 59.992195] Freed by task 4344: [ 59.992218] save_stack+0x43/0xd0 [ 59.995750] ? find_held_lock+0x36/0x1c0 [ 59.999357] __kasan_slab_free+0x11a/0x170 [ 60.004443] ? __lock_is_held+0xb5/0x140 [ 60.008389] kasan_slab_free+0xe/0x10 [ 60.008402] kfree+0xd9/0x260 [ 60.012279] ? check_same_owner+0x320/0x320 [ 60.016047] rcu_process_callbacks+0xa69/0x15f0 [ 60.016063] __do_softirq+0x2e0/0xaf5 [ 60.021341] ? rcu_note_context_switch+0x710/0x710 [ 60.022953] [ 60.022966] The buggy address belongs to the object at ffff8801b5159b40 [ 60.022966] which belongs to the cache kmalloc-1024 of size 1024 [ 60.027103] __should_failslab+0x124/0x180 [ 60.030381] The buggy address is located 712 bytes inside of [ 60.030381] 1024-byte region [ffff8801b5159b40, ffff8801b5159f40) [ 60.030388] The buggy address belongs to the page: [ 60.033852] should_failslab+0x9/0x14 [ 60.037881] page:ffffea0006d45600 count:1 mapcount:0 mapping:ffff8801b5158040 index:0x0 [ 60.042101] kmem_cache_alloc+0x2af/0x760 [ 60.046135] compound_mapcount: 0 [ 60.049930] ? kasan_check_write+0x14/0x20 [ 60.053001] flags: 0x2fffc0000008100(slab|head) [ 60.053018] raw: 02fffc0000008100 ffff8801b5158040 0000000000000000 0000000100000007 [ 60.057319] ? do_raw_spin_lock+0xc1/0x200 [ 60.061960] raw: ffffea0006d6f320 ffffea0006d5c5a0 ffff8801da800ac0 0000000000000000 [ 60.065753] __fuse_request_alloc+0x27/0xf0 [ 60.070643] page dumped because: kasan: bad access detected [ 60.070650] [ 60.072269] fuse_request_alloc+0x18/0x20 [ 60.085062] Memory state around the buggy address: [ 60.085073] ffff8801b5159d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 60.089307] fuse_fill_super+0x124e/0x1e20 [ 60.101239] ffff8801b5159d80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 60.106162] ? fuse_get_root_inode+0x190/0x190 [ 60.109928] >ffff8801b5159e00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 60.118056] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 60.122167] ^ [ 60.122176] ffff8801b5159e80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 60.125622] ? kasan_check_read+0x11/0x20 [ 60.129835] ffff8801b5159f00: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 60.134493] ? cap_capable+0x1f9/0x260 [ 60.142335] ================================================================== [ 60.142347] Disabling lock debugging due to kernel taint [ 60.146578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 60.154425] Kernel panic - not syncing: panic_on_warn set ... [ 60.154425] [ 60.158740] ? security_capable+0x99/0xc0 [ 60.266918] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 60.272452] ? ns_capable_common+0x13f/0x170 [ 60.276861] ? get_anon_bdev+0x2f0/0x2f0 [ 60.280912] ? sget+0x113/0x150 [ 60.284185] ? fuse_get_root_inode+0x190/0x190 [ 60.288767] mount_nodev+0x6b/0x110 [ 60.292388] fuse_mount+0x2c/0x40 [ 60.295831] mount_fs+0xae/0x328 [ 60.299204] vfs_kern_mount.part.34+0xd4/0x4d0 [ 60.303776] ? may_umount+0xb0/0xb0 [ 60.307391] ? _raw_read_unlock+0x22/0x30 [ 60.311527] ? __get_fs_type+0x97/0xc0 [ 60.315405] do_mount+0x564/0x3070 [ 60.318941] ? interrupt_entry+0xb1/0xf0 [ 60.323007] ? copy_mount_string+0x40/0x40 [ 60.327241] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 60.331991] ? retint_kernel+0x10/0x10 [ 60.335874] ? copy_mount_options+0x213/0x380 [ 60.340364] ? write_comp_data+0x1b/0x70 [ 60.344421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 60.349949] ? copy_mount_options+0x285/0x380 [ 60.354438] ksys_mount+0x12d/0x140 [ 60.358057] __x64_sys_mount+0xbe/0x150 [ 60.362029] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 60.367043] do_syscall_64+0x1b1/0x800 [ 60.370924] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 60.375762] ? syscall_return_slowpath+0x5c0/0x5c0 [ 60.380688] ? syscall_return_slowpath+0x30f/0x5c0 [ 60.385616] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 60.390976] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 60.395819] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 60.401005] RIP: 0033:0x455a09 [ 60.404183] RSP: 002b:00007ffd8da72bc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 60.411887] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000455a09 [ 60.419153] RDX: 00000000004c1eb6 RSI: 00000000200001c0 RDI: 00000000004de0c5 [ 60.426438] RBP: 0000000000000000 R08: 00007ffd8da72be0 R09: 0000000000000000 [ 60.433705] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 60.440968] R13: 00000000200001c0 R14: 0000000000000000 R15: 0000000000000000 [ 60.448252] CPU: 0 PID: 4531 Comm: syz-executor6 Tainted: G B 4.17.0-rc5+ #52 [ 60.456842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.466204] Call Trace: [ 60.468805] dump_stack+0x1b9/0x294 [ 60.472453] ? dump_stack_print_info.cold.2+0x52/0x52 [ 60.477653] ? lock_downgrade+0x8e0/0x8e0 [ 60.481798] ? vprintk_default+0x28/0x30 [ 60.485861] ? __lock_acquire+0x37b0/0x5140 [ 60.490166] panic+0x22f/0x4de [ 60.493351] ? add_taint.cold.5+0x16/0x16 [ 60.497483] ? add_taint.cold.5+0x5/0x16 [ 60.501541] ? do_raw_spin_unlock+0x9e/0x2e0 [ 60.505935] ? __lock_acquire+0x3888/0x5140 [ 60.510246] kasan_end_report+0x47/0x4f [ 60.514208] kasan_report.cold.7+0x76/0x2fe [ 60.518516] __asan_report_load8_noabort+0x14/0x20 [ 60.523429] __lock_acquire+0x3888/0x5140 [ 60.527562] ? lock_downgrade+0x8e0/0x8e0 [ 60.531692] ? kasan_check_read+0x11/0x20 [ 60.535824] ? rcu_is_watching+0x85/0x140 [ 60.539956] ? debug_check_no_locks_freed+0x310/0x310 [ 60.545128] ? is_bpf_text_address+0xd7/0x170 [ 60.549607] ? kernel_text_address+0x79/0xf0 [ 60.554003] ? __unwind_start+0x166/0x330 [ 60.558142] ? __kernel_text_address+0xd/0x40 [ 60.562622] ? unwind_get_return_address+0x61/0xa0 [ 60.567536] ? __save_stack_trace+0x7e/0xd0 [ 60.571847] ? save_stack+0xa9/0xd0 [ 60.575462] ? save_stack+0x43/0xd0 [ 60.579073] ? __kasan_slab_free+0x11a/0x170 [ 60.583466] ? kasan_slab_free+0xe/0x10 [ 60.587423] ? kfree+0xd9/0x260 [ 60.590685] ? unregister_shrinker+0x216/0x3a0 [ 60.595250] ? deactivate_locked_super+0x70/0x100 [ 60.600073] ? mount_nodev+0xfa/0x110 [ 60.603858] ? fuse_mount+0x2c/0x40 [ 60.607905] ? mount_fs+0xae/0x328 [ 60.611428] ? vfs_kern_mount.part.34+0xd4/0x4d0 [ 60.616167] ? do_mount+0x564/0x3070 [ 60.619866] ? ksys_mount+0x12d/0x140 [ 60.623665] ? graph_lock+0x170/0x170 [ 60.627452] ? kasan_check_read+0x11/0x20 [ 60.631586] ? do_raw_spin_unlock+0x9e/0x2e0 [ 60.635980] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 60.640549] ? print_usage_bug+0xc0/0xc0 [ 60.644598] ? kasan_check_write+0x14/0x20 [ 60.648825] ? do_raw_spin_lock+0xc1/0x200 [ 60.653047] lock_acquire+0x1dc/0x520 [ 60.656833] ? fuse_kill_sb_anon+0x50/0xb0 [ 60.661053] ? lock_release+0xa10/0xa10 [ 60.665029] ? check_same_owner+0x320/0x320 [ 60.669347] ? quarantine_put+0xeb/0x190 [ 60.673409] ? rcu_note_context_switch+0x710/0x710 [ 60.678331] ? __might_sleep+0x95/0x190 [ 60.682295] down_write+0x87/0x120 [ 60.685820] ? fuse_kill_sb_anon+0x50/0xb0 [ 60.690048] ? down_read+0x1b0/0x1b0 [ 60.693752] ? perf_trace_mm_vmscan_writepage+0x750/0x750 [ 60.699280] fuse_kill_sb_anon+0x50/0xb0 [ 60.703328] deactivate_locked_super+0x97/0x100 [ 60.707996] ? fuse_get_root_inode+0x190/0x190 [ 60.712568] mount_nodev+0xfa/0x110 [ 60.716180] fuse_mount+0x2c/0x40 [ 60.719619] mount_fs+0xae/0x328 [ 60.722967] vfs_kern_mount.part.34+0xd4/0x4d0 [ 60.727532] ? may_umount+0xb0/0xb0 [ 60.731144] ? _raw_read_unlock+0x22/0x30 [ 60.735287] ? __get_fs_type+0x97/0xc0 [ 60.739163] do_mount+0x564/0x3070 [ 60.742691] ? copy_mount_string+0x40/0x40 [ 60.746910] ? rcu_pm_notify+0xc0/0xc0 [ 60.750781] ? copy_mount_options+0x5f/0x380 [ 60.755181] ? rcu_read_lock_sched_held+0x108/0x120 [ 60.760195] ? kmem_cache_alloc_trace+0x616/0x780 [ 60.765033] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 60.770562] ? _copy_from_user+0xdf/0x150 [ 60.774711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 60.780237] ? copy_mount_options+0x285/0x380 [ 60.784717] ksys_mount+0x12d/0x140 [ 60.788335] __x64_sys_mount+0xbe/0x150 [ 60.792297] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 60.797302] do_syscall_64+0x1b1/0x800 [ 60.801177] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 60.806009] ? syscall_return_slowpath+0x5c0/0x5c0 [ 60.810958] ? syscall_return_slowpath+0x30f/0x5c0 [ 60.815877] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 60.821252] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 60.826089] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 60.831265] RIP: 0033:0x455a09 [ 60.834520] RSP: 002b:00007ffe42cd1fc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 60.842217] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000455a09 [ 60.849471] RDX: 00000000004c1eb6 RSI: 00000000200001c0 RDI: 00000000004de0c5 [ 60.856725] RBP: 0000000000000000 R08: 00007ffe42cd1fe0 R09: 0000000000000000 [ 60.863979] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 60.871236] R13: 00000000200001c0 R14: 0000000000000000 R15: 0000000000000000 [ 60.879049] Dumping ftrace buffer: [ 60.882593] (ftrace buffer empty) [ 60.886301] Kernel Offset: disabled [ 60.889914] Rebooting in 86400 seconds..