[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.64' (ECDSA) to the list of known hosts. syzkaller login: [ 39.645975] IPVS: ftp: loaded support on port[0] = 21 [ 39.676949] IPVS: ftp: loaded support on port[0] = 21 [ 39.708323] IPVS: ftp: loaded support on port[0] = 21 [ 39.740096] MTD: Attempt to mount non-MTD device "/dev/loop5" [ 39.744349] MTD: Attempt to mount non-MTD device "/dev/loop0" [ 39.754940] FAULT_INJECTION: forcing a failure. [ 39.754940] name failslab, interval 1, probability 0, space 0, times 1 [ 39.781292] FAULT_INJECTION: forcing a failure. [ 39.781292] name failslab, interval 1, probability 0, space 0, times 1 [ 39.782259] CPU: 0 PID: 8016 Comm: syz-executor409 Not tainted 4.14.290-syzkaller #0 [ 39.800514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 39.809866] Call Trace: [ 39.812449] dump_stack+0x1b2/0x281 [ 39.816059] should_fail.cold+0x10a/0x149 [ 39.820275] should_failslab+0xd6/0x130 [ 39.824234] __kmalloc+0x2c1/0x400 [ 39.827750] ? __list_lru_init+0x67/0x710 [ 39.831878] __list_lru_init+0x67/0x710 [ 39.835841] sget_userns+0x4e4/0xc10 [ 39.839538] ? set_bdev_super+0x110/0x110 [ 39.843667] ? ns_test_super+0x50/0x50 [ 39.847540] ? set_bdev_super+0x110/0x110 [ 39.851668] ? ns_test_super+0x50/0x50 [ 39.855536] sget+0xd1/0x110 [ 39.858539] mount_bdev+0xcd/0x360 [ 39.862072] ? romfs_iget+0x5f0/0x5f0 [ 39.865862] romfs_mount+0x6a/0x70 [ 39.869394] mount_fs+0x92/0x2a0 [ 39.872752] vfs_kern_mount.part.0+0x5b/0x470 [ 39.877230] do_mount+0xe65/0x2a30 [ 39.880752] ? do_raw_spin_unlock+0x164/0x220 [ 39.885235] ? copy_mount_string+0x40/0x40 [ 39.889449] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 39.894451] ? copy_mnt_ns+0xa30/0xa30 [ 39.898320] ? copy_mount_options+0x1fa/0x2f0 [ 39.902792] ? copy_mnt_ns+0xa30/0xa30 [ 39.906657] SyS_mount+0xa8/0x120 [ 39.910097] ? copy_mnt_ns+0xa30/0xa30 [ 39.914052] do_syscall_64+0x1d5/0x640 [ 39.917918] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 39.923084] RIP: 0033:0x7fa6b015634a [ 39.926771] RSP: 002b:00007ffc626d7308 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 39.934565] RAX: ffffffffffffffda RBX: 00007ffc626d7360 RCX: 00007fa6b015634a [ 39.941818] RDX: 00000000200011c0 RSI: 00000000200013c0 RDI: 00007ffc626d7320 [ 39.949076] RBP: 00007ffc626d7320 R08: 00007ffc626d7360 R09: 0000000000000000 [ 39.956331] R10: 0000000000000000 R11: 0000000000000286 R12: 00000000200018d8 [ 39.963588] R13: 0000000000000004 R14: 0000000000000005 R15: 0000000000000001 [ 39.970856] CPU: 1 PID: 8017 Comm: syz-executor409 Not tainted 4.14.290-syzkaller #0 [ 39.978734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 39.988075] Call Trace: [ 39.990673] dump_stack+0x1b2/0x281 [ 39.994278] should_fail.cold+0x10a/0x149 [ 39.998411] should_failslab+0xd6/0x130 [ 40.002363] kmem_cache_alloc_node_trace+0x25a/0x400 [ 40.007455] __kmalloc_node_track_caller+0x38/0x70 [ 40.012365] __alloc_skb+0x96/0x510 [ 40.015970] kobject_uevent_env+0x882/0xf30 [ 40.020304] loop_clr_fd+0x59f/0xc20 [ 40.023995] lo_ioctl+0x895/0x1cd0 [ 40.027512] ? kasan_slab_free+0x12d/0x1a0 [ 40.031718] ? loop_set_status64+0xe0/0xe0 [ 40.035926] blkdev_ioctl+0x540/0x1830 [ 40.039792] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 40.045133] ? blkpg_ioctl+0x8d0/0x8d0 [ 40.049000] ? lock_downgrade+0x740/0x740 [ 40.053245] ? debug_check_no_obj_freed+0x2c0/0x680 [ 40.058250] ? lock_acquire+0x170/0x3f0 [ 40.062216] block_ioctl+0xd9/0x120 [ 40.065817] ? blkdev_fallocate+0x3a0/0x3a0 [ 40.070210] do_vfs_ioctl+0x75a/0xff0 [ 40.073994] ? debug_check_no_obj_freed+0x2c0/0x680 [ 40.079000] ? ioctl_preallocate+0x1a0/0x1a0 [ 40.083392] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 40.088384] ? debug_object_activate+0x490/0x490 [ 40.093116] ? kfree+0x14a/0x250 [ 40.096463] ? SyS_mount+0xcc/0x120 [ 40.100079] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 40.105070] ? security_file_ioctl+0x83/0xb0 [ 40.109454] SyS_ioctl+0x7f/0xb0 [ 40.112805] ? do_vfs_ioctl+0xff0/0xff0 [ 40.116768] do_syscall_64+0x1d5/0x640 [ 40.120640] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 40.125802] RIP: 0033:0x7fa6b0154dc7 [ 40.129488] RSP: 002b:00007ffc626d7308 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.137178] RAX: ffffffffffffffda RBX: 00005555563a62c0 RCX: 00007fa6b0154dc7 [ 40.144435] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 40.151677] RBP: 0000000000000005 R08: 00007ffc626d7360 R09: 0000000000000000 [ 40.158923] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000200018d8 [ 40.166175] R13: 0000000000000004 R14: 0000000000000005 R15: 0000000000000001 [ 40.189452] IPVS: ftp: loaded support on port[0] = 21 [ 40.204003] MTD: Attempt to mount non-MTD device "/dev/loop5" [ 40.211207] MTD: Attempt to mount non-MTD device "/dev/loop0" [ 40.215590] FAULT_INJECTION: forcing a failure. [ 40.215590] name failslab, interval 1, probability 0, space 0, times 0 [ 40.231604] FAULT_INJECTION: forcing a failure. [ 40.231604] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 40.236234] CPU: 0 PID: 8046 Comm: syz-executor409 Not tainted 4.14.290-syzkaller #0 [ 40.251538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 40.260870] Call Trace: [ 40.263447] dump_stack+0x1b2/0x281 [ 40.267054] should_fail.cold+0x10a/0x149 [ 40.271185] should_failslab+0xd6/0x130 [ 40.275138] kmem_cache_alloc+0x28e/0x3c0 [ 40.279265] alloc_buffer_head+0x20/0x110 [ 40.283391] alloc_page_buffers+0xb3/0x1f0 [ 40.287608] __getblk_slow+0x2d6/0x7a0 [ 40.291491] __bread_gfp+0x206/0x2e0 [ 40.295199] romfs_dev_read+0x21f/0x310 [ 40.299154] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 40.304583] ? affs_symlink_readpage+0xa30/0xa30 [ 40.309316] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 40.314320] ? kmem_cache_alloc_trace+0x36c/0x3d0 [ 40.319142] romfs_fill_super+0x23c/0x6f0 [ 40.323285] mount_bdev+0x2b3/0x360 [ 40.326892] ? romfs_iget+0x5f0/0x5f0 [ 40.330675] romfs_mount+0x6a/0x70 [ 40.334192] mount_fs+0x92/0x2a0 [ 40.337550] vfs_kern_mount.part.0+0x5b/0x470 [ 40.342037] do_mount+0xe65/0x2a30 [ 40.345568] ? retint_kernel+0x2d/0x2d [ 40.349434] ? copy_mount_string+0x40/0x40 [ 40.353646] ? copy_mount_options+0x19a/0x2f0 [ 40.358122] ? copy_mount_options+0x1fa/0x2f0 [ 40.362593] ? copy_mnt_ns+0xa30/0xa30 [ 40.366459] SyS_mount+0xa8/0x120 [ 40.369890] ? copy_mnt_ns+0xa30/0xa30 [ 40.373762] do_syscall_64+0x1d5/0x640 [ 40.377628] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 40.382795] RIP: 0033:0x7fa6b015634a [ 40.386487] RSP: 002b:00007ffc626d7308 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 40.394170] RAX: ffffffffffffffda RBX: 00007ffc626d7360 RCX: 00007fa6b015634a [ 40.401417] RDX: 00000000200011c0 RSI: 00000000200013c0 RDI: 00007ffc626d7320 [ 40.408661] RBP: 00007ffc626d7320 R08: 00007ffc626d7360 R09: 0000000000000000 [ 40.415910] R10: 0000000000000000 R11: 0000000000000286 R12: 00000000200018d8 [ 40.423155] R13: 0000000000000004 R14: 0000000000000005 R15: 0000000000000001 [ 40.430412] CPU: 1 PID: 8045 Comm: syz-executor409 Not tainted 4.14.290-syzkaller #0 [ 40.438286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 40.447628] Call Trace: [ 40.450208] dump_stack+0x1b2/0x281 [ 40.453816] should_fail.cold+0x10a/0x149 [ 40.457943] __alloc_pages_nodemask+0x22c/0x2720 [ 40.462675] ? unmap_single_vma+0x147/0x2b0 [ 40.466995] ? __lock_acquire+0x5fc/0x3f20 [ 40.471206] ? trace_hardirqs_on+0x10/0x10 [ 40.475428] ? mark_held_locks+0xa6/0xf0 [ 40.479477] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 40.484559] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 40.489551] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 40.494371] ? trace_hardirqs_on+0x10/0x10 [ 40.498588] ? lock_acquire+0x170/0x3f0 [ 40.502538] ? mem_cgroup_id_get_online+0xb0/0xb0 [ 40.507490] ? check_preemption_disabled+0x35/0x240 [ 40.512483] ? __unlock_page_memcg+0x4f/0x100 [ 40.516957] alloc_pages_current+0x155/0x260 [ 40.521341] __get_free_pages+0xb/0x40 [ 40.525208] __tlb_remove_page_size+0x272/0x440 [ 40.529856] unmap_page_range+0xf94/0x1d90 [ 40.534076] ? vm_normal_page_pmd+0x340/0x340 [ 40.538551] unmap_single_vma+0x147/0x2b0 [ 40.542679] unmap_vmas+0x9d/0x160 [ 40.546198] exit_mmap+0x270/0x4d0 [ 40.549728] ? SyS_remap_file_pages+0x6a0/0x6a0 [ 40.554402] ? kmem_cache_free+0x23a/0x2b0 [ 40.558621] ? __khugepaged_exit+0x29b/0x3c0 [ 40.563016] mmput+0xfa/0x420 [ 40.566101] do_exit+0x984/0x2850 [ 40.569543] ? __do_page_fault+0x571/0xad0 [ 40.573757] ? mm_update_next_owner+0x5b0/0x5b0 [ 40.578406] ? lock_downgrade+0x740/0x740 [ 40.582535] do_group_exit+0x100/0x2e0 [ 40.586402] SyS_exit_group+0x19/0x20 [ 40.590179] ? do_group_exit+0x2e0/0x2e0 [ 40.594215] do_syscall_64+0x1d5/0x640 [ 40.598084] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 40.603256] RIP: 0033:0x7fa6b0153a69 [ 40.606943] RSP: 002b:00007ffc626d7448 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 40.614626] RAX: ffffffffffffffda RBX: 00007fa6b01c93f0 RCX: 00007fa6b0153a69 [ 40.621874] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 40.629128] RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000000000 [ 40.636392] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa6b01c93f0 [ 40.643655] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 40.654811] MTD: Attempt to mount non-MTD device "/dev/loop2" [ 40.711019] IPVS: ftp: loaded support on port[0] = 21 [ 40.728912] FAULT_INJECTION: forcing a failure. [ 40.728912] name failslab, interval 1, probability 0, space 0, times 0 [ 40.741381] CPU: 1 PID: 8057 Comm: syz-executor409 Not tainted 4.14.290-syzkaller #0 [ 40.749270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 40.758613] Call Trace: [ 40.761196] dump_stack+0x1b2/0x281 [ 40.764826] should_fail.cold+0x10a/0x149 [ 40.768970] should_failslab+0xd6/0x130 [ 40.772942] __kmalloc+0x2c1/0x400 [ 40.776478] ? kobject_get_path+0xb5/0x230 [ 40.780705] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 40.781934] IPVS: ftp: loaded support on port[0] = 21 [ 40.786157] kobject_get_path+0xb5/0x230 [ 40.795371] kobject_uevent_env+0x230/0xf30 [ 40.799866] loop_clr_fd+0x59f/0xc20 [ 40.803578] lo_ioctl+0x895/0x1cd0 [ 40.807114] ? kasan_slab_free+0x12d/0x1a0 [ 40.811345] ? loop_set_status64+0xe0/0xe0 [ 40.815347] MTD: Attempt to mount non-MTD device "/dev/loop0" [ 40.815571] blkdev_ioctl+0x540/0x1830 [ 40.815582] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 40.815590] ? blkpg_ioctl+0x8d0/0x8d0 [ 40.815602] ? lock_downgrade+0x740/0x740 [ 40.822254] MTD: Attempt to mount non-MTD device "/dev/loop5" [ 40.825331] ? debug_check_no_obj_freed+0x2c0/0x680 [ 40.825343] ? lock_acquire+0x170/0x3f0 [ 40.825355] block_ioctl+0xd9/0x120 [ 40.825364] ? blkdev_fallocate+0x3a0/0x3a0 [ 40.835799] MTD: Attempt to mount non-MTD device "/dev/loop4" [ 40.838696] do_vfs_ioctl+0x75a/0xff0 [ 40.838707] ? debug_check_no_obj_freed+0x2c0/0x680 [ 40.838716] ? ioctl_preallocate+0x1a0/0x1a0 [ 40.838727] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 40.838734] ? debug_object_activate+0x490/0x490 [ 40.838744] ? kfree+0x14a/0x250 [ 40.838752] ? SyS_mount+0xcc/0x120 [ 40.838762] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 40.848345] FAULT_INJECTION: forcing a failure. [ 40.848345] name failslab, interval 1, probability 0, space 0, times 0 [ 40.849629] ? security_file_ioctl+0x83/0xb0 [ 40.849640] SyS_ioctl+0x7f/0xb0 [ 40.849647] ? do_vfs_ioctl+0xff0/0xff0 [ 40.849657] do_syscall_64+0x1d5/0x640 [ 40.849671] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 40.849678] RIP: 0033:0x7fa6b0154dc7 [ 40.859625] FAULT_INJECTION: forcing a failure. [ 40.859625] name failslab, interval 1, probability 0, space 0, times 0 [ 40.861530] RSP: 002b:00007ffc626d7308 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.861540] RAX: ffffffffffffffda RBX: 00005555563a62c0 RCX: 00007fa6b0154dc7 [ 40.861545] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 40.861549] RBP: 0000000000000005 R08: 00007ffc626d7360 R09: 0000000000000000 [ 40.861554] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000200018d8 [ 40.861559] R13: 0000000000000004 R14: 0000000000000005 R15: 0000000000000001 [ 40.994988] CPU: 0 PID: 8105 Comm: syz-executor409 Not tainted 4.14.290-syzkaller #0 [ 41.002865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 41.012206] Call Trace: [ 41.014788] dump_stack+0x1b2/0x281 [ 41.018410] should_fail.cold+0x10a/0x149 [ 41.022570] should_failslab+0xd6/0x130 [ 41.026538] kmem_cache_alloc+0x28e/0x3c0 [ 41.030695] alloc_buffer_head+0x20/0x110 [ 41.034838] alloc_page_buffers+0xb3/0x1f0 [ 41.039066] __getblk_slow+0x2d6/0x7a0 [ 41.042954] __bread_gfp+0x206/0x2e0 [ 41.046663] romfs_dev_read+0x21f/0x310 [ 41.050623] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 41.056073] ? affs_symlink_readpage+0xa30/0xa30 [ 41.060816] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 41.065816] ? kmem_cache_alloc_trace+0x36c/0x3d0 [ 41.070637] romfs_fill_super+0x23c/0x6f0 [ 41.074769] mount_bdev+0x2b3/0x360 [ 41.078390] ? romfs_iget+0x5f0/0x5f0 [ 41.082175] romfs_mount+0x6a/0x70 [ 41.085708] mount_fs+0x92/0x2a0 [ 41.089062] vfs_kern_mount.part.0+0x5b/0x470 [ 41.093536] do_mount+0xe65/0x2a30 [ 41.097066] ? copy_mount_string+0x40/0x40 [ 41.101280] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 41.106282] ? copy_mnt_ns+0xa30/0xa30 [ 41.110163] ? copy_mount_options+0x1fa/0x2f0 [ 41.114644] ? copy_mnt_ns+0xa30/0xa30 [ 41.118521] SyS_mount+0xa8/0x120 [ 41.120537] MTD: Attempt to mount non-MTD device "/dev/loop2" [ 41.121961] ? copy_mnt_ns+0xa30/0xa30 [ 41.121972] do_syscall_64+0x1d5/0x640 [ 41.121986] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 41.121993] RIP: 0033:0x7fa6b015634a [ 41.121997] RSP: 002b:00007ffc626d7308 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 41.138915] FAULT_INJECTION: forcing a failure. [ 41.138915] name failslab, interval 1, probability 0, space 0, times 0 [ 41.140849] RAX: ffffffffffffffda RBX: 00007ffc626d7360 RCX: 00007fa6b015634a [ 41.140854] RDX: 00000000200011c0 RSI: 00000000200013c0 RDI: 00007ffc626d7320 [ 41.140858] RBP: 00007ffc626d7320 R08: 00007ffc626d7360 R09: 0000000000000000 [ 41.140862] R10: 0000000000000000 R11: 0000000000000286 R12: 00000000200018d8 [ 41.140866] R13: 0000000000000004 R14: 0000000000000005 R15: 0000000000000001 [ 41.146640] CPU: 0 PID: 8106 Comm: syz-executor409 Not tainted 4.14.290-syzkaller #0 [ 41.207526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 41.216873] Call Trace: [ 41.219456] dump_stack+0x1b2/0x281 [ 41.223084] should_fail.cold+0x10a/0x149 [ 41.227213] should_failslab+0xd6/0x130 [ 41.231168] kmem_cache_alloc+0x28e/0x3c0 [ 41.235297] alloc_buffer_head+0x20/0x110 [ 41.239423] alloc_page_buffers+0xb3/0x1f0 [ 41.243646] __getblk_slow+0x2d6/0x7a0 [ 41.247518] __bread_gfp+0x206/0x2e0 [ 41.251221] romfs_dev_read+0x21f/0x310 [ 41.251663] MTD: Attempt to mount non-MTD device "/dev/loop3" [ 41.255195] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 41.255203] ? affs_symlink_readpage+0xa30/0xa30 [ 41.255213] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 41.274129] FAULT_INJECTION: forcing a failure. [ 41.274129] name failslab, interval 1, probability 0, space 0, times 0 [ 41.276234] ? kmem_cache_alloc_trace+0x36c/0x3d0 [ 41.276245] romfs_fill_super+0x23c/0x6f0 [ 41.276255] mount_bdev+0x2b3/0x360 [ 41.299953] ? romfs_iget+0x5f0/0x5f0 [ 41.303730] romfs_mount+0x6a/0x70 [ 41.307248] mount_fs+0x92/0x2a0 [ 41.310592] vfs_kern_mount.part.0+0x5b/0x470 [ 41.315064] do_mount+0xe65/0x2a30 [ 41.318584] ? do_raw_spin_unlock+0x164/0x220 [ 41.323062] ? copy_mount_string+0x40/0x40 [ 41.327275] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 41.332378] ? copy_mnt_ns+0xa30/0xa30 [ 41.336244] ? copy_mount_options+0x1fa/0x2f0 [ 41.340719] ? copy_mnt_ns+0xa30/0xa30 [ 41.344584] SyS_mount+0xa8/0x120 [ 41.348017] ? copy_mnt_ns+0xa30/0xa30 [ 41.351884] do_syscall_64+0x1d5/0x640 [ 41.355757] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 41.360928] RIP: 0033:0x7fa6b015634a [ 41.364617] RSP: 002b:00007ffc626d7308 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 41.372302] RAX: ffffffffffffffda RBX: 00007ffc626d7360 RCX: 00007fa6b015634a [ 41.379547] RDX: 00000000200011c0 RSI: 00000000200013c0 RDI: 00007ffc626d7320 [ 41.386796] RBP: 00007ffc626d7320 R08: 00007ffc626d7360 R09: 0000000000000000 [ 41.394139] R10: 0000000000000000 R11: 0000000000000286 R12: 00000000200018d8 [ 41.401390] R13: 0000000000000004 R14: 0000000000000005 R15: 0000000000000001 [ 41.417785] CPU: 1 PID: 8114 Comm: syz-executor409 Not tainted 4.14.290-syzkaller #0 [ 41.425676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 41.435018] Call Trace: [ 41.437587] dump_stack+0x1b2/0x281 [ 41.441194] should_fail.cold+0x10a/0x149 [ 41.445320] should_failslab+0xd6/0x130 [ 41.449363] kmem_cache_alloc+0x28e/0x3c0 [ 41.453487] alloc_buffer_head+0x20/0x110 [ 41.457614] alloc_page_buffers+0xb3/0x1f0 [ 41.461827] __getblk_slow+0x2d6/0x7a0 [ 41.465707] __bread_gfp+0x206/0x2e0 [ 41.469400] romfs_dev_read+0x21f/0x310 [ 41.473360] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 41.478789] ? affs_symlink_readpage+0xa30/0xa30 [ 41.483527] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 41.488609] ? kmem_cache_alloc_trace+0x36c/0x3d0 [ 41.493607] romfs_fill_super+0x23c/0x6f0 [ 41.497735] mount_bdev+0x2b3/0x360 [ 41.501343] ? romfs_iget+0x5f0/0x5f0 [ 41.505122] romfs_mount+0x6a/0x70 [ 41.508644] mount_fs+0x92/0x2a0 [ 41.511988] vfs_kern_mount.part.0+0x5b/0x470 [ 41.516460] do_mount+0xe65/0x2a30 [ 41.519978] ? do_raw_spin_unlock+0x164/0x220 [ 41.524450] ? copy_mount_string+0x40/0x40 [ 41.528663] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 41.533657] ? copy_mnt_ns+0xa30/0xa30 [ 41.537608] ? copy_mount_options+0x1fa/0x2f0 [ 41.542082] ? copy_mnt_ns+0xa30/0xa30 [ 41.545949] SyS_mount+0xa8/0x120 [ 41.549377] ? copy_mnt_ns+0xa30/0xa30 [ 41.553242] do_syscall_64+0x1d5/0x640 [ 41.557124] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 41.562379] RIP: 0033:0x7fa6b015634a [ 41.566065] RSP: 002b:00007ffc626d7308 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 41.573753] RAX: ffffffffffffffda RBX: 00007ffc626d7360 RCX: 00007fa6b015634a [ 41.580998] RDX: 00000000200011c0 RSI: 00000000200013c0 RDI: 00007ffc626d7320 [ 41.588245] RBP: 00007ffc626d7320 R08: 00007ffc626d7360 R09: 0000000000000000 [ 41.595491] R10: 0000000000000000 R11: 0000000000000286 R12: 00000000200018d8 [ 41.602741] R13: 0000000000000004 R14: 0000000000000005 R15: 0000000000000001 [ 41.610003] CPU: 0 PID: 8120 Comm: syz-executor409 Not tainted 4.14.290-syzkaller #0 [ 41.617880] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 41.627217] Call Trace: [ 41.629785] dump_stack+0x1b2/0x281 [ 41.633391] should_fail.cold+0x10a/0x149 [ 41.637525] should_failslab+0xd6/0x130 [ 41.641489] kmem_cache_alloc+0x28e/0x3c0 [ 41.645616] alloc_buffer_head+0x20/0x110 [ 41.649741] alloc_page_buffers+0xb3/0x1f0 [ 41.653955] __getblk_slow+0x2d6/0x7a0 [ 41.657847] __bread_gfp+0x206/0x2e0 [ 41.661545] romfs_dev_read+0x21f/0x310 [ 41.665504] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 41.671016] ? affs_symlink_readpage+0xa30/0xa30 [ 41.675841] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 41.681009] ? kmem_cache_alloc_trace+0x36c/0x3d0 [ 41.685841] romfs_fill_super+0x23c/0x6f0 [ 41.690139] mount_bdev+0x2b3/0x360 [ 41.693742] ? romfs_iget+0x5f0/0x5f0 [ 41.697518] romfs_mount+0x6a/0x70 [ 41.701034] mount_fs+0x92/0x2a0 [ 41.704378] vfs_kern_mount.part.0+0x5b/0x470 [ 41.708853] do_mount+0xe65/0x2a30 [ 41.712371] ? do_raw_spin_unlock+0x164/0x220 [ 41.716846] ? copy_mount_string+0x40/0x40 [ 41.721062] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 41.726074] ? copy_mnt_ns+0xa30/0xa30 [ 41.729945] ? copy_mount_options+0x1fa/0x2f0 [ 41.734520] ? copy_mnt_ns+0xa30/0xa30 [ 41.738397] SyS_mount+0xa8/0x120 [ 41.741827] ? copy_mnt_ns+0xa30/0xa30 [ 41.745694] do_syscall_64+0x1d5/0x640 [ 41.749564] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 41.754817] RIP: 0033:0x7fa6b015634a [ 41.758503] RSP: 002b:00007ffc626d7308 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 41.766193] RAX: ffffffffffffffda RBX: 00007ffc626d7360 RCX: 00007fa6b015634a [ 41.773438] RDX: 00000000200011c0 RSI: 00000000200013c0 RDI: 00007ffc626d7320 [ 41.780683] RBP: 00007ffc626d7320 R08: 00007ffc626d7360 R09: 0000000000000000 [ 41.787944] R10: 0000000000000000 R11: 0000000000000286 R12: 00000000200018d8 [ 41.795199] R13: 0000000000000004 R14: 0000000000000005 R15: 0000000000000001 [ 41.804207] FAULT_INJECTION: forcing a failure. [ 41.804207] name failslab, interval 1, probability 0, space 0, times 0 [ 41.816074] CPU: 1 PID: 8107 Comm: syz-executor409 Not tainted 4.14.290-syzkaller #0 [ 41.823956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 41.833306] Call Trace: [ 41.835898] dump_stack+0x1b2/0x281 [ 41.839542] should_fail.cold+0x10a/0x149 [ 41.843691] should_failslab+0xd6/0x130 [ 41.847676] __kmalloc+0x2c1/0x400 [ 41.851302] ? kobject_get_path+0xb5/0x230 [ 41.855534] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 41.860985] kobject_get_path+0xb5/0x230 [ 41.865046] kobject_uevent_env+0x230/0xf30 [ 41.869367] loop_clr_fd+0x59f/0xc20 [ 41.873084] lo_ioctl+0x895/0x1cd0 [ 41.876619] ? kasan_slab_free+0x12d/0x1a0 [ 41.880847] ? loop_set_status64+0xe0/0xe0 [ 41.885080] blkdev_ioctl+0x540/0x1830 [ 41.888962] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 41.894415] ? blkpg_ioctl+0x8d0/0x8d0 [ 41.898294] ? lock_downgrade+0x740/0x740 [ 41.902436] ? debug_check_no_obj_freed+0x2c0/0x680 [ 41.907448] ? lock_acquire+0x170/0x3f0 [ 41.911419] block_ioctl+0xd9/0x120 [ 41.915038] ? blkdev_fallocate+0x3a0/0x3a0 [ 41.919351] do_vfs_ioctl+0x75a/0xff0 [ 41.923142] ? debug_check_no_obj_freed+0x2c0/0x680 [ 41.928156] ? ioctl_preallocate+0x1a0/0x1a0 [ 41.929802] MTD: Attempt to mount non-MTD device "/dev/loop0" [ 41.932569] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 41.939104] FAULT_INJECTION: forcing a failure. [ 41.939104] name failslab, interval 1, probability 0, space 0, times 0 [ 41.943424] ? debug_object_activate+0x490/0x490 [ 41.943436] ? kfree+0x14a/0x250 [ 41.943445] ? SyS_mount+0xcc/0x120 [ 41.943455] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 41.943463] ? security_file_ioctl+0x83/0xb0 [ 41.943473] SyS_ioctl+0x7f/0xb0 [ 41.979116] ? do_vfs_ioctl+0xff0/0xff0 [ 41.983073] do_syscall_64+0x1d5/0x640 [ 41.986946] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 41.992112] RIP: 0033:0x7fa6b0154dc7 [ 41.995802] RSP: 002b:00007ffc626d7308 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.003672] RAX: ffffffffffffffda RBX: 00005555563a62c0 RCX: 00007fa6b0154dc7 [ 42.010919] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 42.018168] RBP: 0000000000000005 R08: 00007ffc626d7360 R09: 0000000000000000 [ 42.025416] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000200018d8 [ 42.032668] R13: 0000000000000004 R14: 0000000000000005 R15: 0000000000000001 [ 42.039930] CPU: 0 PID: 8130 Comm: syz-executor409 Not tainted 4.14.290-syzkaller #0 [ 42.047810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 42.057154] Call Trace: [ 42.059731] dump_stack+0x1b2/0x281 [ 42.063352] should_fail.cold+0x10a/0x149 [ 42.067504] should_failslab+0xd6/0x130 [ 42.071475] kmem_cache_alloc+0x28e/0x3c0 [ 42.075620] alloc_buffer_head+0x20/0x110 [ 42.079761] alloc_page_buffers+0xb3/0x1f0 [ 42.083975] __getblk_slow+0x2d6/0x7a0 [ 42.087841] __bread_gfp+0x206/0x2e0 [ 42.091538] romfs_dev_read+0x21f/0x310 [ 42.095510] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 42.096682] MTD: Attempt to mount non-MTD device "/dev/loop4" [ 42.100950] ? affs_symlink_readpage+0xa30/0xa30 [ 42.100959] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 42.100968] ? kmem_cache_alloc_trace+0x36c/0x3d0 [ 42.100978] romfs_fill_super+0x23c/0x6f0 [ 42.100986] mount_bdev+0x2b3/0x360 [ 42.100993] ? romfs_iget+0x5f0/0x5f0 [ 42.101002] romfs_mount+0x6a/0x70 [ 42.101008] mount_fs+0x92/0x2a0 [ 42.101021] vfs_kern_mount.part.0+0x5b/0x470 [ 42.107258] FAULT_INJECTION: forcing a failure. [ 42.107258] name failslab, interval 1, probability 0, space 0, times 0 [ 42.111647] do_mount+0xe65/0x2a30 [ 42.111658] ? retint_kernel+0x2d/0x2d [ 42.111666] ? copy_mount_string+0x40/0x40 [ 42.111676] ? copy_mount_options+0x188/0x2f0 [ 42.111684] ? copy_mount_options+0x1fa/0x2f0 [ 42.111690] ? copy_mnt_ns+0xa30/0xa30 [ 42.111698] SyS_mount+0xa8/0x120 [ 42.111706] ? copy_mnt_ns+0xa30/0xa30 [ 42.187192] do_syscall_64+0x1d5/0x640 [ 42.191065] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 42.196229] RIP: 0033:0x7fa6b015634a [ 42.199916] RSP: 002b:00007ffc626d7308 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 42.207602] RAX: ffffffffffffffda RBX: 00007ffc626d7360 RCX: 00007fa6b015634a [ 42.214848] RDX: 00000000200011c0 RSI: 00000000200013c0 RDI: 00007ffc626d7320 [ 42.222093] RBP: 00007ffc626d7320 R08: 00007ffc626d7360 R09: 0000000000000000 [ 42.229349] R10: 0000000000000000 R11: 0000000000000286 R12: 00000000200018d8 [ 42.236595] R13: 0000000000000004 R14: 0000000000000005 R15: 0000000000000001 [ 42.243856] CPU: 1 PID: 8129 Comm: syz-executor409 Not tainted 4.14.290-syzkaller #0 [ 42.250301] MTD: Attempt to mount non-MTD device "/dev/loop5" [ 42.251728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 42.266929] Call Trace: [ 42.269514] dump_stack+0x1b2/0x281 [ 42.273140] should_fail.cold+0x10a/0x149 [ 42.277287] should_failslab+0xd6/0x130 [ 42.281259] kmem_cache_alloc+0x28e/0x3c0 [ 42.285403] alloc_buffer_head+0x20/0x110 [ 42.289544] alloc_page_buffers+0xb3/0x1f0 [ 42.293778] __getblk_slow+0x2d6/0x7a0 [ 42.297664] __bread_gfp+0x206/0x2e0 [ 42.301372] romfs_dev_read+0x21f/0x310 [ 42.305350] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 42.310777] ? affs_symlink_readpage+0xa30/0xa30 [ 42.315508] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 42.320516] ? kmem_cache_alloc_trace+0x36c/0x3d0 [ 42.325338] romfs_fill_super+0x23c/0x6f0 [ 42.329474] mount_bdev+0x2b3/0x360 [ 42.333078] ? romfs_iget+0x5f0/0x5f0 [ 42.336876] romfs_mount+0x6a/0x70 [ 42.340399] mount_fs+0x92/0x2a0 [ 42.343743] vfs_kern_mount.part.0+0x5b/0x470 [ 42.348228] do_mount+0xe65/0x2a30 [ 42.351748] ? copy_mount_string+0x40/0x40 [ 42.355958] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 42.361105] ? copy_mnt_ns+0xa30/0xa30 [ 42.364991] ? copy_mount_options+0x1fa/0x2f0 [ 42.369464] ? copy_mnt_ns+0xa30/0xa30 [ 42.373331] SyS_mount+0xa8/0x120 [ 42.376762] ? copy_mnt_ns+0xa30/0xa30 [ 42.380638] do_syscall_64+0x1d5/0x640 [ 42.384506] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 42.389672] RIP: 0033:0x7fa6b015634a [ 42.393368] RSP: 002b:00007ffc626d7308 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 42.401052] RAX: ffffffffffffffda RBX: 00007ffc626d7360 RCX: 00007fa6b015634a [ 42.408295] RDX: 00000000200011c0 RSI: 00000000200013c0 RDI: 00007ffc626d7320 [ 42.415538] RBP: 00007ffc626d7320 R08: 00007ffc626d7360 R09: 0000000000000000 [ 42.422793] R10: 0000000000000000 R11: 0000000000000286 R12: 00000000200018d8 [ 42.430038] R13: 0000000000000004 R14: 0000000000000005 R15: 0000000000000001 [ 42.458180] FAULT_INJECTION: forcing a failure. [ 42.458180] name failslab, interval 1, probability 0, space 0, times 0 [ 42.478265] CPU: 0 PID: 8144 Comm: syz-executor409 Not tainted 4.14.290-syzkaller #0 [ 42.486149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 42.495482] Call Trace: [ 42.498053] dump_stack+0x1b2/0x281 [ 42.501712] should_fail.cold+0x10a/0x149 [ 42.505868] should_failslab+0xd6/0x130 [ 42.509821] kmem_cache_alloc_node+0x263/0x410 [ 42.514385] __alloc_skb+0x5c/0x510 [ 42.517992] kobject_uevent_env+0x882/0xf30 [ 42.522294] loop_clr_fd+0x59f/0xc20 [ 42.525995] lo_ioctl+0x895/0x1cd0 [ 42.529521] ? kasan_slab_free+0x12d/0x1a0 [ 42.533736] ? loop_set_status64+0xe0/0xe0 [ 42.537964] blkdev_ioctl+0x540/0x1830 [ 42.541931] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 42.547282] ? blkpg_ioctl+0x8d0/0x8d0 [ 42.551148] ? lock_downgrade+0x740/0x740 [ 42.555271] ? debug_check_no_obj_freed+0x2c0/0x680 [ 42.560269] ? lock_acquire+0x170/0x3f0 [ 42.564220] block_ioctl+0xd9/0x120 [ 42.567824] ? blkdev_fallocate+0x3a0/0x3a0 [ 42.572126] do_vfs_ioctl+0x75a/0xff0 [ 42.575903] ? debug_check_no_obj_freed+0x2c0/0x680 [ 42.580895] ? ioctl_preallocate+0x1a0/0x1a0 [ 42.585293] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 42.590291] ? debug_object_activate+0x490/0x490 [ 42.595027] ? kfree+0x14a/0x250 [ 42.598374] ? SyS_mount+0xcc/0x120 [ 42.601985] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 42.606984] ? security_file_ioctl+0x83/0xb0 [ 42.611383] SyS_ioctl+0x7f/0xb0 [ 42.614723] ? do_vfs_ioctl+0xff0/0xff0 [ 42.618673] do_syscall_64+0x1d5/0x640 [ 42.622540] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 42.627703] RIP: 0033:0x7fa6b0154dc7 [ 42.631388] RSP: 002b:00007ffc626d7308 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.639071] RAX: ffffffffffffffda RBX: 00005555563a62c0 RCX: 00007fa6b0154dc7 [ 42.646320] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 42.653564] RBP: 0000000000000005 R08: 00007ffc626d7360 R09: 0000000000000000 [ 42.660808] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000200018d8 [ 42.668053] R13: 0000000000000004 R14: 0000000000000005 R15: 0000000000000001 [ 42.679756] MTD: Attempt to mount non-MTD device "/dev/loop0" [ 42.680012] MTD: Attempt to mount non-MTD device "/dev/loop3" [ 42.706484] MTD: Attempt to mount non-MTD device "/dev/loop2" [ 42.715702] MTD: Attempt to mount non-MTD device "/dev/loop5" [ 42.723804] MTD: Attempt to mount non-MTD device "/dev/loop4" [ 42.735226] FAULT_INJECTION: forcing a failure. [ 42.735226] name failslab, interval 1, probability 0, space 0, times 0 [ 42.748265] FAULT_INJECTION: forcing a failure. [ 42.748265] name failslab, interval 1, probability 0, space 0, times 0 [ 42.749236] FAULT_INJECTION: forcing a failure. [ 42.749236] name failslab, interval 1, probability 0, space 0, times 0 [ 42.759818] CPU: 0 PID: 8159 Comm: syz-executor409 Not tainted 4.14.290-syzkaller #0 [ 42.778550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 42.787900] Call Trace: [ 42.790478] dump_stack+0x1b2/0x281 [ 42.794100] should_fail.cold+0x10a/0x149 [ 42.798244] should_failslab+0xd6/0x130 [ 42.802215] kmem_cache_alloc_node+0x263/0x410 [ 42.806782] __alloc_skb+0x5c/0x510 [ 42.810389] kobject_uevent_env+0x882/0xf30 [ 42.814700] loop_clr_fd+0x59f/0xc20 [ 42.818397] lo_ioctl+0x895/0x1cd0 [ 42.821924] ? kasan_slab_free+0x12d/0x1a0 [ 42.826140] ? loop_set_status64+0xe0/0xe0 [ 42.830356] blkdev_ioctl+0x540/0x1830 [ 42.834220] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 42.839573] ? blkpg_ioctl+0x8d0/0x8d0 [ 42.843436] ? lock_downgrade+0x740/0x740 [ 42.847561] ? debug_check_no_obj_freed+0x2c0/0x680 [ 42.852565] ? lock_acquire+0x170/0x3f0 [ 42.856519] block_ioctl+0xd9/0x120 [ 42.860121] ? blkdev_fallocate+0x3a0/0x3a0 [ 42.864421] do_vfs_ioctl+0x75a/0xff0 [ 42.868198] ? debug_check_no_obj_freed+0x2c0/0x680 [ 42.873194] ? ioctl_preallocate+0x1a0/0x1a0 [ 42.877587] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 42.882587] ? debug_object_activate+0x490/0x490 [ 42.887320] ? kfree+0x14a/0x250 [ 42.890664] ? SyS_mount+0xcc/0x120 [ 42.894266] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 42.899258] ? security_file_ioctl+0x83/0xb0 [ 42.903646] SyS_ioctl+0x7f/0xb0 [ 42.906993] ? do_vfs_ioctl+0xff0/0xff0 [ 42.910945] do_syscall_64+0x1d5/0x640 [ 42.914812] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 42.919984] RIP: 0033:0x7fa6b0154dc7 [ 42.923670] RSP: 002b:00007ffc626d7308 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.927883] FAULT_INJECTION: forcing a failure. [ 42.927883] name failslab, interval 1, probability 0, space 0, times 0 [ 42.931358] RAX: ffffffffffffffda RBX: 00005555563a62c0 RCX: 00007fa6b0154dc7 [ 42.931363] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 42.931367] RBP: 0000000000000005 R08: 00007ffc626d7360 R09: 0000000000000000 [ 42.931371] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000200018d8 [ 42.931379] R13: 0000000000000004 R14: 0000000000000005 R15: 0000000000000001 [ 42.950637] FAULT_INJECTION: forcing a failure. [ 42.950637] name failslab, interval 1, probability 0, space 0, times 0 [ 42.999629] CPU: 1 PID: 8179 Comm: syz-executor409 Not tainted 4.14.290-syzkaller #0 [ 43.007525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 43.016874] Call Trace: [ 43.019455] dump_stack+0x1b2/0x281 [ 43.023076] should_fail.cold+0x10a/0x149 [ 43.027220] should_failslab+0xd6/0x130 [ 43.031192] kmem_cache_alloc+0x28e/0x3c0 [ 43.035337] alloc_buffer_head+0x20/0x110 [ 43.039478] alloc_page_buffers+0xb3/0x1f0 [ 43.040649] MTD: Attempt to mount non-MTD device "/dev/loop0" [ 43.043706] __getblk_slow+0x2d6/0x7a0 [ 43.053224] MTD: Attempt to mount non-MTD device "/dev/loop1" [ 43.053441] __bread_gfp+0x206/0x2e0 [ 43.063004] romfs_dev_read+0x21f/0x310 [ 43.066975] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 43.068244] FAULT_INJECTION: forcing a failure. [ 43.068244] name failslab, interval 1, probability 0, space 0, times 0 [ 43.072417] ? affs_symlink_readpage+0xa30/0xa30 [ 43.072426] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 43.072436] ? kmem_cache_alloc_trace+0x36c/0x3d0 [ 43.072447] romfs_fill_super+0x23c/0x6f0 [ 43.072459] mount_bdev+0x2b3/0x360 [ 43.072465] ? romfs_iget+0x5f0/0x5f0 [ 43.072473] romfs_mount+0x6a/0x70 [ 43.072485] mount_fs+0x92/0x2a0 [ 43.084057] FAULT_INJECTION: forcing a failure. [ 43.084057] name failslab, interval 1, probability 0, space 0, times 0 [ 43.088471] vfs_kern_mount.part.0+0x5b/0x470 [ 43.088482] do_mount+0xe65/0x2a30 [ 43.088496] ? copy_mount_string+0x40/0x40 [ 43.088506] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 43.088514] ? copy_mnt_ns+0xa30/0xa30 [ 43.088522] ? copy_mount_options+0x1fa/0x2f0 [ 43.088529] ? copy_mnt_ns+0xa30/0xa30 [ 43.088537] SyS_mount+0xa8/0x120 [ 43.088542] ? copy_mnt_ns+0xa30/0xa30 [ 43.088552] do_syscall_64+0x1d5/0x640 [ 43.168360] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 43.173536] RIP: 0033:0x7fa6b015634a [ 43.177235] RSP: 002b:00007ffc626d7308 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 43.184923] RAX: ffffffffffffffda RBX: 00007ffc626d7360 RCX: 00007fa6b015634a [ 43.192168] RDX: 00000000200011c0 RSI: 00000000200013c0 RDI: 00007ffc626d7320 [ 43.199417] RBP: 00007ffc626d7320 R08: 00007ffc626d7360 R09: 0000000000000000 [ 43.206665] R10: 0000000000000000 R11: 0000000000000286 R12: 00000000200018d8 [ 43.213918] R13: 0000000000000004 R14: 0000000000000005 R15: 0000000000000001 [ 43.221176] CPU: 0 PID: 8198 Comm: syz-executor409 Not tainted 4.14.290-syzkaller #0 [ 43.229057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 43.238397] Call Trace: [ 43.240970] dump_stack+0x1b2/0x281 [ 43.244579] should_fail.cold+0x10a/0x149 [ 43.248706] should_failslab+0xd6/0x130 [ 43.252658] kmem_cache_alloc+0x28e/0x3c0 [ 43.256786] alloc_buffer_head+0x20/0x110 [ 43.260912] alloc_page_buffers+0xb3/0x1f0 [ 43.265127] __getblk_slow+0x2d6/0x7a0 [ 43.268997] __bread_gfp+0x206/0x2e0 [ 43.272689] romfs_dev_read+0x21f/0x310 [ 43.276645] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 43.282071] ? affs_symlink_readpage+0xa30/0xa30 [ 43.286803] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 43.291799] ? kmem_cache_alloc_trace+0x36c/0x3d0 [ 43.296622] romfs_fill_super+0x23c/0x6f0 [ 43.300747] mount_bdev+0x2b3/0x360 [ 43.304353] ? romfs_iget+0x5f0/0x5f0 [ 43.308129] romfs_mount+0x6a/0x70 [ 43.311645] mount_fs+0x92/0x2a0 [ 43.314989] vfs_kern_mount.part.0+0x5b/0x470 [ 43.319461] do_mount+0xe65/0x2a30 [ 43.322977] ? do_raw_spin_unlock+0x164/0x220 [ 43.327453] ? copy_mount_string+0x40/0x40 [ 43.331666] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 43.336659] ? copy_mnt_ns+0xa30/0xa30 [ 43.340527] ? copy_mount_options+0x1fa/0x2f0 [ 43.345023] ? copy_mnt_ns+0xa30/0xa30 [ 43.348888] SyS_mount+0xa8/0x120 [ 43.352320] ? copy_mnt_ns+0xa30/0xa30 [ 43.356188] do_syscall_64+0x1d5/0x640 [ 43.360071] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 43.365237] RIP: 0033:0x7fa6b015634a [ 43.368926] RSP: 002b:00007ffc626d7308 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 43.376610] RAX: ffffffffffffffda RBX: 00007ffc626d7360 RCX: 00007fa6b015634a [ 43.383862] RDX: 00000000200011c0 RSI: 00000000200013c0 RDI: 00007ffc626d7320 [ 43.391108] RBP: 00007ffc626d7320 R08: 00007ffc626d7360 R09: 0000000000000000 [ 43.398354] R10: 0000000000000000 R11: 0000000000000286 R12: 00000000200018d8 [ 43.405601] R13: 0000000000000004 R14: 0000000000000005 R15: 0000000000000001 [ 43.412863] CPU: 1 PID: 8163 Comm: syz-executor409 Not tainted 4.14.290-syzkaller #0 [ 43.420739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 43.430081] Call Trace: [ 43.432654] dump_stack+0x1b2/0x281 [ 43.436271] should_fail.cold+0x10a/0x149 [ 43.440422] should_failslab+0xd6/0x130 [ 43.444404] kmem_cache_alloc_trace+0x29a/0x3d0 [ 43.449061] ? dev_uevent_filter+0xd0/0xd0 [ 43.453285] kobject_uevent_env+0x20c/0xf30 [ 43.457599] loop_clr_fd+0x59f/0xc20 [ 43.461303] lo_ioctl+0x895/0x1cd0 [ 43.464826] ? kasan_slab_free+0x12d/0x1a0 [ 43.469041] ? loop_set_status64+0xe0/0xe0 [ 43.473263] blkdev_ioctl+0x540/0x1830 [ 43.477138] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 43.482488] ? blkpg_ioctl+0x8d0/0x8d0 [ 43.486363] ? lock_downgrade+0x740/0x740 [ 43.490499] ? debug_check_no_obj_freed+0x2c0/0x680 [ 43.495506] ? lock_acquire+0x170/0x3f0 [ 43.499473] block_ioctl+0xd9/0x120 [ 43.503106] ? blkdev_fallocate+0x3a0/0x3a0 [ 43.507404] do_vfs_ioctl+0x75a/0xff0 [ 43.511182] ? debug_check_no_obj_freed+0x2c0/0x680 [ 43.516176] ? ioctl_preallocate+0x1a0/0x1a0 [ 43.520564] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 43.525560] ? debug_object_activate+0x490/0x490 [ 43.530297] ? kfree+0x14a/0x250 [ 43.533642] ? SyS_mount+0xcc/0x120 [ 43.537261] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 43.542257] ? security_file_ioctl+0x83/0xb0 [ 43.546646] SyS_ioctl+0x7f/0xb0 [ 43.549987] ? do_vfs_ioctl+0xff0/0xff0 [ 43.553945] do_syscall_64+0x1d5/0x640 [ 43.557817] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 43.562989] RIP: 0033:0x7fa6b0154dc7 [ 43.566678] RSP: 002b:00007ffc626d7308 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.574366] RAX: ffffffffffffffda RBX: 00005555563a62c0 RCX: 00007fa6b0154dc7 [ 43.581620] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 43.588881] RBP: 0000000000000005 R08: 00007ffc626d7360 R09: 0000000000000000 [ 43.596127] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000200018d8 [ 43.603372] R13: 0000000000000004 R14: 0000000000000005 R15: 0000000000000001 [ 43.610631] CPU: 0 PID: 8197 Comm: syz-executor409 Not tainted 4.14.290-syzkaller #0 [ 43.618498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 43.627829] Call Trace: [ 43.630393] dump_stack+0x1b2/0x281 [ 43.633999] should_fail.cold+0x10a/0x149 [ 43.638127] should_failslab+0xd6/0x130 [ 43.642077] __kmalloc+0x2c1/0x400 [ 43.645596] ? register_shrinker+0x1ab/0x220 [ 43.649983] register_shrinker+0x1ab/0x220 [ 43.654193] sget_userns+0x9aa/0xc10 [ 43.657883] ? set_bdev_super+0x110/0x110 [ 43.662011] ? ns_test_super+0x50/0x50 [ 43.665877] ? set_bdev_super+0x110/0x110 [ 43.670005] ? ns_test_super+0x50/0x50 [ 43.673867] sget+0xd1/0x110 [ 43.676864] mount_bdev+0xcd/0x360 [ 43.680379] ? romfs_iget+0x5f0/0x5f0 [ 43.684159] romfs_mount+0x6a/0x70 [ 43.687676] mount_fs+0x92/0x2a0 [ 43.691022] vfs_kern_mount.part.0+0x5b/0x470 [ 43.695498] do_mount+0xe65/0x2a30 [ 43.699016] ? do_raw_spin_unlock+0x164/0x220 [ 43.703492] ? copy_mount_string+0x40/0x40 [ 43.707705] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 43.712785] ? copy_mnt_ns+0xa30/0xa30 [ 43.716656] ? copy_mount_options+0x1fa/0x2f0 [ 43.721129] ? copy_mnt_ns+0xa30/0xa30 [ 43.724994] SyS_mount+0xa8/0x120 [ 43.728437] ? copy_mnt_ns+0xa30/0xa30 [ 43.732314] do_syscall_64+0x1d5/0x640 [ 43.736184] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 43.741348] RIP: 0033:0x7fa6b015634a [ 43.745036] RSP: 002b:00007ffc626d7308 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 43.752723] RAX: ffffffffffffffda RBX: 00007ffc626d7360 RCX: 00007fa6b015634a [ 43.759970] RDX: 00000000200011c0 RSI: 00000000200013c0 RDI: 00007ffc626d7320 [ 43.767215] RBP: 00007ffc626d7320 R08: 00007ffc626d7360 R09: 0000000000000000 [ 43.774460] R10: 0000000000000000 R11: 0000000000000286 R12: 00000000200018d8 [ 43.781735] R13: 0000000000000004 R14: 0000000000000005 R15: 0000000000000001 [ 43.789007] CPU: 1 PID: 8160 Comm: syz-executor409 Not tainted 4.14.290-syzkaller #0 [ 43.796881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 43.806222] Call Trace: [ 43.808800] dump_stack+0x1b2/0x281 [ 43.812420] should_fail.cold+0x10a/0x149 [ 43.816563] should_failslab+0xd6/0x130 [ 43.820531] __kmalloc+0x2c1/0x400 [ 43.823450] ------------[ cut here ]------------ [ 43.824060] ? kobject_get_path+0xb5/0x230 [ 43.824071] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 43.828894] WARNING: CPU: 0 PID: 8197 at fs/super.c:1163 kill_block_super+0xbe/0xe0 [ 43.833097] kobject_get_path+0xb5/0x230 [ 43.838602] Kernel panic - not syncing: panic_on_warn set ... [ 43.838602] [ 43.846547] kobject_uevent_env+0x230/0xf30 [ 43.862211] loop_clr_fd+0x59f/0xc20 [ 43.865915] lo_ioctl+0x895/0x1cd0 [ 43.869435] ? kasan_slab_free+0x12d/0x1a0 [ 43.873645] ? loop_set_status64+0xe0/0xe0 [ 43.877860] blkdev_ioctl+0x540/0x1830 [ 43.881726] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 43.887079] ? blkpg_ioctl+0x8d0/0x8d0 [ 43.891119] ? lock_downgrade+0x740/0x740 [ 43.895325] ? debug_check_no_obj_freed+0x2c0/0x680 [ 43.900348] ? lock_acquire+0x170/0x3f0 [ 43.904323] block_ioctl+0xd9/0x120 [ 43.907929] ? blkdev_fallocate+0x3a0/0x3a0 [ 43.912239] do_vfs_ioctl+0x75a/0xff0 [ 43.916039] ? debug_check_no_obj_freed+0x2c0/0x680 [ 43.921034] ? ioctl_preallocate+0x1a0/0x1a0 [ 43.925436] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 43.930440] ? debug_object_activate+0x490/0x490 [ 43.935176] ? kfree+0x14a/0x250 [ 43.938528] ? SyS_mount+0xcc/0x120 [ 43.942136] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 43.947140] ? security_file_ioctl+0x83/0xb0 [ 43.951532] SyS_ioctl+0x7f/0xb0 [ 43.954879] ? do_vfs_ioctl+0xff0/0xff0 [ 43.958834] do_syscall_64+0x1d5/0x640 [ 43.962717] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 43.967888] RIP: 0033:0x7fa6b0154dc7 [ 43.971578] RSP: 002b:00007ffc626d7308 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.979263] RAX: ffffffffffffffda RBX: 00005555563a62c0 RCX: 00007fa6b0154dc7 [ 43.986511] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 43.993766] RBP: 0000000000000005 R08: 00007ffc626d7360 R09: 0000000000000000 [ 44.001016] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000200018d8 [ 44.008264] R13: 0000000000000004 R14: 0000000000000005 R15: 0000000000000001 [ 44.015527] CPU: 0 PID: 8197 Comm: syz-executor409 Not tainted 4.14.290-syzkaller #0 [ 44.023407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 44.032757] Call Trace: [ 44.035332] dump_stack+0x1b2/0x281 [ 44.038937] panic+0x1f9/0x42d [ 44.042106] ? add_taint.cold+0x16/0x16 [ 44.046069] ? kill_block_super+0xbe/0xe0 [ 44.050223] ? kill_block_super+0xbe/0xe0 [ 44.054352] __warn.cold+0x20/0x44 [ 44.057871] ? ist_end_non_atomic+0x10/0x10 [ 44.062172] ? kill_block_super+0xbe/0xe0 [ 44.066311] report_bug+0x208/0x250 [ 44.069922] do_error_trap+0x195/0x2d0 [ 44.073792] ? math_error+0x2d0/0x2d0 [ 44.078538] ? retint_kernel+0x2d/0x2d [ 44.082424] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.087251] invalid_op+0x1b/0x40 [ 44.090686] RIP: 0010:kill_block_super+0xbe/0xe0 [ 44.095415] RSP: 0018:ffff888093befb88 EFLAGS: 00010297 [ 44.100756] RAX: ffff8880aa2b0000 RBX: 0000000000000000 RCX: 1ffff11015456116 [ 44.108096] RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff88808fefdcb0 [ 44.115342] RBP: ffff888093638540 R08: ffffffff8b9ccd70 R09: 0000000000000001 [ 44.122592] R10: 0000000000000000 R11: ffff8880aa2b0000 R12: ffff88808fefd800 [ 44.129842] R13: ffffffff891e2cf0 R14: ffffffff88f45760 R15: dffffc0000000000 [ 44.137102] ? kill_block_super+0xbe/0xe0 [ 44.141238] romfs_kill_sb+0x71/0xa0 [ 44.144943] deactivate_locked_super+0x6c/0xd0 [ 44.149516] sget_userns+0x9c4/0xc10 [ 44.153224] ? set_bdev_super+0x110/0x110 [ 44.157357] ? ns_test_super+0x50/0x50 [ 44.161237] ? set_bdev_super+0x110/0x110 [ 44.165375] ? ns_test_super+0x50/0x50 [ 44.169250] sget+0xd1/0x110 [ 44.172252] mount_bdev+0xcd/0x360 [ 44.175769] ? romfs_iget+0x5f0/0x5f0 [ 44.179556] romfs_mount+0x6a/0x70 [ 44.183092] mount_fs+0x92/0x2a0 [ 44.186439] vfs_kern_mount.part.0+0x5b/0x470 [ 44.190912] do_mount+0xe65/0x2a30 [ 44.194430] ? do_raw_spin_unlock+0x164/0x220 [ 44.198903] ? copy_mount_string+0x40/0x40 [ 44.203114] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 44.208110] ? copy_mnt_ns+0xa30/0xa30 [ 44.211981] ? copy_mount_options+0x1fa/0x2f0 [ 44.216451] ? copy_mnt_ns+0xa30/0xa30 [ 44.220319] SyS_mount+0xa8/0x120 [ 44.223751] ? copy_mnt_ns+0xa30/0xa30 [ 44.227617] do_syscall_64+0x1d5/0x640 [ 44.231486] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 44.236654] RIP: 0033:0x7fa6b015634a [ 44.240340] RSP: 002b:00007ffc626d7308 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 44.248023] RAX: ffffffffffffffda RBX: 00007ffc626d7360 RCX: 00007fa6b015634a [ 44.255267] RDX: 00000000200011c0 RSI: 00000000200013c0 RDI: 00007ffc626d7320 [ 44.262523] RBP: 00007ffc626d7320 R08: 00007ffc626d7360 R09: 0000000000000000 [ 44.269767] R10: 0000000000000000 R11: 0000000000000286 R12: 00000000200018d8 [ 44.277041] R13: 0000000000000004 R14: 0000000000000005 R15: 0000000000000001 [ 44.284559] Kernel Offset: disabled [ 44.288229] Rebooting in 86400 seconds..