Warning: Permanently added '10.128.0.191' (ECDSA) to the list of known hosts. syzkaller login: [ 33.470372] audit: type=1400 audit(1598135905.745:8): avc: denied { execmem } for pid=6357 comm="syz-executor048" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 33.471720] FAULT_INJECTION: forcing a failure. [ 33.471720] name failslab, interval 1, probability 0, space 0, times 1 [ 33.502282] CPU: 1 PID: 6357 Comm: syz-executor048 Not tainted 4.14.194-syzkaller #0 [ 33.510495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.519989] Call Trace: [ 33.522588] dump_stack+0x1b2/0x283 [ 33.526214] should_fail.cold+0x10a/0x154 [ 33.530364] should_failslab+0xd6/0x130 [ 33.534486] kmem_cache_alloc+0x28e/0x3c0 [ 33.538640] __pmd_alloc+0xaf/0x3f0 [ 33.542365] copy_page_range+0x16b1/0x2630 [ 33.546686] ? fs_reclaim_release+0xd0/0x110 [ 33.551091] ? anon_vma_fork+0x432/0x580 [ 33.555143] ? lock_downgrade+0x740/0x740 [ 33.559288] ? anon_vma_interval_tree_insert+0x20a/0x3c0 [ 33.564787] ? apply_to_page_range+0xa60/0xa60 [ 33.569365] ? validate_mm_rb+0x3a/0xa0 [ 33.573352] copy_process.part.0+0x4a6f/0x6f00 [ 33.577941] ? __cleanup_sighand+0x40/0x40 [ 33.582161] ? lock_acquire+0x170/0x3f0 [ 33.586123] _do_fork+0x184/0xc80 [ 33.589565] ? fork_idle+0x270/0x270 [ 33.593262] ? _raw_spin_unlock_irq+0x5a/0x80 [ 33.597831] ? task_work_run+0xfd/0x190 [ 33.601789] ? do_syscall_64+0x4c/0x640 [ 33.605757] ? sys_vfork+0x20/0x20 [ 33.609364] do_syscall_64+0x1d5/0x640 [ 33.613252] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 33.618466] RIP: 0033:0x44423a [ 33.621649] RSP: 002b:00007ffe95afd310 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 33.629367] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000044423a [ 33.636624] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 33.643879] RBP: 00007ffe95afd330 R08: 0000000000000000 R09: 0000000001831880 [ 33.651159] R10: 0000000001831b50 R11: 0000000000000246 R12: 0000000000000000 [ 33.658413] R13: 0000000000402b40 R14: 0000000000000000 R15: 0000000000000000 [ 33.687627] IPVS: ftp: loaded support on port[0] = 21 executing program [ 33.723185] IPVS: ftp: loaded support on port[0] = 21 [ 33.751916] FAULT_INJECTION: forcing a failure. [ 33.751916] name failslab, interval 1, probability 0, space 0, times 0 executing program [ 33.767961] CPU: 1 PID: 6388 Comm: syz-executor048 Not tainted 4.14.194-syzkaller #0 [ 33.775887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.785334] Call Trace: [ 33.787929] dump_stack+0x1b2/0x283 [ 33.791684] should_fail.cold+0x10a/0x154 [ 33.795856] should_failslab+0xd6/0x130 [ 33.799862] kmem_cache_alloc+0x28e/0x3c0 [ 33.804019] alloc_buffer_head+0x20/0x110 [ 33.808169] alloc_page_buffers+0xb3/0x1f0 [ 33.812416] __getblk_slow+0x2d6/0x7a0 [ 33.816239] FAULT_INJECTION: forcing a failure. [ 33.816239] name failslab, interval 1, probability 0, space 0, times 0 [ 33.816333] __bread_gfp+0x206/0x2e0 [ 33.831211] isofs_fill_super+0x959/0x23f0 [ 33.835493] ? __isofs_iget+0x1de0/0x1de0 [ 33.839646] ? pointer+0x9e0/0x9e0 [ 33.843184] ? lock_downgrade+0x740/0x740 [ 33.847358] ? snprintf+0xa5/0xd0 [ 33.850936] ? vsprintf+0x30/0x30 [ 33.854430] ? ns_test_super+0x50/0x50 [ 33.858331] ? set_blocksize+0x125/0x380 [ 33.862392] mount_bdev+0x2b3/0x360 [ 33.866033] ? __isofs_iget+0x1de0/0x1de0 [ 33.870182] mount_fs+0x92/0x2a0 [ 33.873538] vfs_kern_mount.part.0+0x5b/0x470 [ 33.878017] do_mount+0xe53/0x2a00 [ 33.881542] ? do_raw_spin_unlock+0x164/0x220 [ 33.886043] ? copy_mount_string+0x40/0x40 [ 33.890453] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 33.895454] ? copy_mnt_ns+0xa30/0xa30 [ 33.899323] ? copy_mount_options+0x1fa/0x2f0 [ 33.903999] ? copy_mnt_ns+0xa30/0xa30 [ 33.907880] SyS_mount+0xa8/0x120 [ 33.911320] ? copy_mnt_ns+0xa30/0xa30 [ 33.915238] do_syscall_64+0x1d5/0x640 [ 33.919130] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 33.924303] RIP: 0033:0x4483ea [ 33.927474] RSP: 002b:00007ffe95afd138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 33.935164] RAX: ffffffffffffffda RBX: 00007ffe95afd180 RCX: 00000000004483ea [ 33.942545] RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 00007ffe95afd180 [ 33.949814] RBP: 0000000000000001 R08: 00007ffe95afd1c0 R09: 00007ffe95afd30f [ 33.957085] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000006 [ 33.964339] R13: 00007ffe95afd1c0 R14: 0000000000000005 R15: 0000000000000000 [ 33.971800] CPU: 0 PID: 6413 Comm: syz-executor048 Not tainted 4.14.194-syzkaller #0 [ 33.979731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.989087] Call Trace: [ 33.991691] dump_stack+0x1b2/0x283 [ 33.993921] ISOFS: Unable to identify CD-ROM format. [ 33.995316] should_fail.cold+0x10a/0x154 [ 33.995328] should_failslab+0xd6/0x130 [ 34.008616] kmem_cache_alloc+0x28e/0x3c0 [ 34.012768] alloc_buffer_head+0x20/0x110 [ 34.017043] alloc_page_buffers+0xb3/0x1f0 [ 34.021263] __getblk_slow+0x2d6/0x7a0 [ 34.025140] __bread_gfp+0x206/0x2e0 [ 34.028994] isofs_fill_super+0x959/0x23f0 [ 34.033238] ? __isofs_iget+0x1de0/0x1de0 [ 34.037390] ? pointer+0x9e0/0x9e0 [ 34.040913] ? lock_downgrade+0x740/0x740 [ 34.045062] ? snprintf+0xa5/0xd0 [ 34.048614] ? vsprintf+0x30/0x30 [ 34.052069] ? ns_test_super+0x50/0x50 [ 34.055960] ? set_blocksize+0x125/0x380 [ 34.060005] mount_bdev+0x2b3/0x360 [ 34.063645] ? __isofs_iget+0x1de0/0x1de0 [ 34.067778] mount_fs+0x92/0x2a0 [ 34.071148] vfs_kern_mount.part.0+0x5b/0x470 [ 34.075632] do_mount+0xe53/0x2a00 [ 34.079264] ? retint_kernel+0x2d/0x2d [ 34.083149] ? copy_mount_string+0x40/0x40 [ 34.087385] ? copy_mount_options+0x18f/0x2f0 [ 34.091863] ? copy_mount_options+0x1fa/0x2f0 [ 34.097221] ? copy_mnt_ns+0xa30/0xa30 [ 34.101324] SyS_mount+0xa8/0x120 [ 34.104781] ? copy_mnt_ns+0xa30/0xa30 [ 34.108671] do_syscall_64+0x1d5/0x640 [ 34.112550] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 34.117740] RIP: 0033:0x4483ea [ 34.120909] RSP: 002b:00007ffe95afd138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 34.129522] RAX: ffffffffffffffda RBX: 00007ffe95afd180 RCX: 00000000004483ea [ 34.136854] RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 00007ffe95afd180 [ 34.144224] RBP: 0000000000000001 R08: 00007ffe95afd1c0 R09: 00007ffe95afd30f [ 34.151477] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000006 [ 34.158743] R13: 00007ffe95afd1c0 R14: 0000000000000005 R15: 0000000000000000 executing program [ 34.170383] IPVS: ftp: loaded support on port[0] = 21 [ 34.218403] FAULT_INJECTION: forcing a failure. [ 34.218403] name failslab, interval 1, probability 0, space 0, times 0 [ 34.245086] ISOFS: Unable to identify CD-ROM format. [ 34.257503] CPU: 1 PID: 6422 Comm: syz-executor048 Not tainted 4.14.194-syzkaller #0 executing program [ 34.265522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.276011] Call Trace: [ 34.278602] dump_stack+0x1b2/0x283 [ 34.282236] should_fail.cold+0x10a/0x154 [ 34.286424] should_failslab+0xd6/0x130 [ 34.290411] kmem_cache_alloc+0x28e/0x3c0 [ 34.294586] alloc_buffer_head+0x20/0x110 [ 34.297720] FAULT_INJECTION: forcing a failure. [ 34.297720] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 34.298821] alloc_page_buffers+0xb3/0x1f0 [ 34.298835] __getblk_slow+0x2d6/0x7a0 [ 34.298850] __bread_gfp+0x206/0x2e0 [ 34.322634] isofs_fill_super+0x959/0x23f0 [ 34.327030] ? __isofs_iget+0x1de0/0x1de0 [ 34.331166] ? pointer+0x9e0/0x9e0 [ 34.334693] ? lock_downgrade+0x740/0x740 [ 34.338836] ? snprintf+0xa5/0xd0 [ 34.342286] ? vsprintf+0x30/0x30 [ 34.345736] ? ns_test_super+0x50/0x50 [ 34.349621] ? set_blocksize+0x125/0x380 [ 34.353681] mount_bdev+0x2b3/0x360 [ 34.357298] ? __isofs_iget+0x1de0/0x1de0 [ 34.361431] mount_fs+0x92/0x2a0 [ 34.364790] vfs_kern_mount.part.0+0x5b/0x470 [ 34.369295] do_mount+0xe53/0x2a00 [ 34.372838] ? copy_mount_string+0x40/0x40 [ 34.377162] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 34.382163] ? copy_mnt_ns+0xa30/0xa30 [ 34.386055] ? copy_mount_options+0x1fa/0x2f0 [ 34.390545] ? copy_mnt_ns+0xa30/0xa30 [ 34.394415] SyS_mount+0xa8/0x120 [ 34.397851] ? copy_mnt_ns+0xa30/0xa30 [ 34.402694] do_syscall_64+0x1d5/0x640 [ 34.406584] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 34.411760] RIP: 0033:0x4483ea [ 34.414945] RSP: 002b:00007ffe95afd138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 34.422652] RAX: ffffffffffffffda RBX: 00007ffe95afd180 RCX: 00000000004483ea [ 34.429914] RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 00007ffe95afd180 [ 34.437165] RBP: 0000000000000001 R08: 00007ffe95afd1c0 R09: 00007ffe95afd30f [ 34.444416] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000006 [ 34.451671] R13: 00007ffe95afd1c0 R14: 0000000000000005 R15: 0000000000000000 [ 34.458965] CPU: 0 PID: 6438 Comm: syz-executor048 Not tainted 4.14.194-syzkaller #0 [ 34.466860] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.476220] Call Trace: [ 34.478811] dump_stack+0x1b2/0x283 [ 34.482446] should_fail.cold+0x10a/0x154 [ 34.486692] __alloc_pages_nodemask+0x22c/0x2720 [ 34.491468] ? __lock_acquire+0x5fc/0x3f20 [ 34.494840] ISOFS: Unable to identify CD-ROM format. [ 34.495800] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 34.495809] ? get_page_from_freelist+0xaf6/0x2560 [ 34.495822] ? __lock_acquire+0x5fc/0x3f20 [ 34.515050] cache_grow_begin+0x8f/0x420 [ 34.519129] cache_alloc_refill+0x273/0x350 [ 34.523517] kmem_cache_alloc+0x333/0x3c0 [ 34.527677] radix_tree_node_alloc.constprop.0+0x1b0/0x2f0 [ 34.533439] __radix_tree_create+0x323/0x4b0 [ 34.537940] page_cache_tree_insert+0x98/0x2a0 [ 34.542564] ? file_check_and_advance_wb_err+0x370/0x370 [ 34.548004] ? __add_to_page_cache_locked+0x1ed/0x840 [ 34.553199] __add_to_page_cache_locked+0x1fd/0x840 [ 34.558220] ? page_cache_tree_insert+0x2a0/0x2a0 [ 34.563048] ? lock_downgrade+0x740/0x740 [ 34.567185] add_to_page_cache_lru+0xcf/0x2b0 [ 34.571670] ? add_to_page_cache_locked+0x40/0x40 [ 34.576498] ? alloc_pages_current+0x15d/0x260 [ 34.581065] pagecache_get_page+0x300/0xab0 [ 34.585378] __getblk_slow+0x1dd/0x7a0 [ 34.589291] __bread_gfp+0x206/0x2e0 [ 34.592991] isofs_fill_super+0x959/0x23f0 [ 34.597213] ? __isofs_iget+0x1de0/0x1de0 [ 34.601438] ? pointer+0x9e0/0x9e0 [ 34.605046] ? lock_downgrade+0x740/0x740 [ 34.609357] ? snprintf+0xa5/0xd0 [ 34.612808] ? vsprintf+0x30/0x30 [ 34.616261] ? ns_test_super+0x50/0x50 [ 34.620130] ? set_blocksize+0x125/0x380 [ 34.624251] mount_bdev+0x2b3/0x360 [ 34.627873] ? __isofs_iget+0x1de0/0x1de0 [ 34.632020] mount_fs+0x92/0x2a0 [ 34.635371] vfs_kern_mount.part.0+0x5b/0x470 [ 34.639871] do_mount+0xe53/0x2a00 [ 34.643414] ? copy_mount_string+0x40/0x40 [ 34.647649] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 34.652652] ? copy_mnt_ns+0xa30/0xa30 [ 34.656528] ? copy_mount_options+0x1fa/0x2f0 [ 34.662314] ? copy_mnt_ns+0xa30/0xa30 [ 34.666215] SyS_mount+0xa8/0x120 [ 34.669689] ? copy_mnt_ns+0xa30/0xa30 [ 34.673571] do_syscall_64+0x1d5/0x640 [ 34.677458] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 34.682640] RIP: 0033:0x4483ea [ 34.685810] RSP: 002b:00007ffe95afd138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 34.693499] RAX: ffffffffffffffda RBX: 00007ffe95afd180 RCX: 00000000004483ea [ 34.701203] RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 00007ffe95afd180 [ 34.708838] RBP: 0000000000000001 R08: 00007ffe95afd1c0 R09: 00007ffe95afd30f executing program executing program [ 34.716121] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000006 [ 34.723403] R13: 00007ffe95afd1c0 R14: 0000000000000005 R15: 0000000000000000 [ 34.737066] IPVS: ftp: loaded support on port[0] = 21 [ 34.767651] FAULT_INJECTION: forcing a failure. [ 34.767651] name failslab, interval 1, probability 0, space 0, times 0 [ 34.786831] CPU: 0 PID: 6452 Comm: syz-executor048 Not tainted 4.14.194-syzkaller #0 [ 34.794752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.804368] Call Trace: [ 34.806965] dump_stack+0x1b2/0x283 [ 34.810693] should_fail.cold+0x10a/0x154 [ 34.814849] should_failslab+0xd6/0x130 [ 34.815012] ISOFS: Unable to identify CD-ROM format. [ 34.818831] kmem_cache_alloc+0x28e/0x3c0 [ 34.818843] alloc_buffer_head+0x20/0x110 [ 34.818850] alloc_page_buffers+0xb3/0x1f0 [ 34.818861] __getblk_slow+0x2d6/0x7a0 [ 34.840739] __bread_gfp+0x206/0x2e0 [ 34.844504] isofs_fill_super+0x959/0x23f0 [ 34.848752] ? __isofs_iget+0x1de0/0x1de0 [ 34.852903] ? pointer+0x9e0/0x9e0 [ 34.856447] ? lock_downgrade+0x740/0x740 [ 34.860599] ? snprintf+0xa5/0xd0 [ 34.864054] ? vsprintf+0x30/0x30 [ 34.867518] ? ns_test_super+0x50/0x50 [ 34.871411] ? set_blocksize+0x125/0x380 [ 34.875489] mount_bdev+0x2b3/0x360 [ 34.879162] ? __isofs_iget+0x1de0/0x1de0 [ 34.883497] mount_fs+0x92/0x2a0 [ 34.887063] vfs_kern_mount.part.0+0x5b/0x470 [ 34.891608] do_mount+0xe53/0x2a00 [ 34.892027] FAULT_INJECTION: forcing a failure. [ 34.892027] name failslab, interval 1, probability 0, space 0, times 0 [ 34.895239] ? copy_mount_string+0x40/0x40 [ 34.910727] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 34.915739] ? copy_mnt_ns+0xa30/0xa30 [ 34.919617] ? copy_mount_options+0x1fa/0x2f0 [ 34.924109] ? copy_mnt_ns+0xa30/0xa30 [ 34.928006] SyS_mount+0xa8/0x120 [ 34.931460] ? copy_mnt_ns+0xa30/0xa30 [ 34.935339] do_syscall_64+0x1d5/0x640 [ 34.939215] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 34.944385] RIP: 0033:0x4483ea [ 34.947572] RSP: 002b:00007ffe95afd138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 34.955276] RAX: ffffffffffffffda RBX: 00007ffe95afd180 RCX: 00000000004483ea executing program [ 34.962529] RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 00007ffe95afd180 [ 34.969781] RBP: 0000000000000001 R08: 00007ffe95afd1c0 R09: 00007ffe95afd30f [ 34.977045] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000006 [ 34.984309] R13: 00007ffe95afd1c0 R14: 0000000000000005 R15: 0000000000000000 [ 34.991581] CPU: 1 PID: 6480 Comm: syz-executor048 Not tainted 4.14.194-syzkaller #0 [ 34.993183] FAULT_INJECTION: forcing a failure. [ 34.993183] name failslab, interval 1, probability 0, space 0, times 0 [ 35.000177] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.020790] Call Trace: [ 35.023377] dump_stack+0x1b2/0x283 [ 35.027006] should_fail.cold+0x10a/0x154 [ 35.031163] should_failslab+0xd6/0x130 [ 35.035134] kmem_cache_alloc+0x40/0x3c0 [ 35.039201] radix_tree_node_alloc.constprop.0+0x1b0/0x2f0 [ 35.044839] __radix_tree_create+0x323/0x4b0 [ 35.049235] page_cache_tree_insert+0x98/0x2a0 [ 35.053800] ? file_check_and_advance_wb_err+0x370/0x370 [ 35.059243] ? __add_to_page_cache_locked+0x1ed/0x840 [ 35.064440] __add_to_page_cache_locked+0x1fd/0x840 [ 35.069483] ? page_cache_tree_insert+0x2a0/0x2a0 [ 35.074339] ? lock_downgrade+0x740/0x740 [ 35.078499] add_to_page_cache_lru+0xcf/0x2b0 [ 35.083002] ? add_to_page_cache_locked+0x40/0x40 [ 35.087832] ? alloc_pages_current+0x15d/0x260 [ 35.092409] pagecache_get_page+0x300/0xab0 [ 35.096742] __getblk_slow+0x1dd/0x7a0 [ 35.100647] __bread_gfp+0x206/0x2e0 [ 35.104371] isofs_fill_super+0x959/0x23f0 [ 35.108632] ? __isofs_iget+0x1de0/0x1de0 [ 35.112798] ? pointer+0x9e0/0x9e0 [ 35.116577] ? lock_downgrade+0x740/0x740 [ 35.120750] ? snprintf+0xa5/0xd0 [ 35.126621] ? vsprintf+0x30/0x30 [ 35.130061] ? ns_test_super+0x50/0x50 [ 35.133948] ? set_blocksize+0x125/0x380 [ 35.138126] mount_bdev+0x2b3/0x360 [ 35.141858] ? __isofs_iget+0x1de0/0x1de0 [ 35.147075] mount_fs+0x92/0x2a0 [ 35.150440] vfs_kern_mount.part.0+0x5b/0x470 [ 35.154937] do_mount+0xe53/0x2a00 [ 35.158462] ? do_raw_spin_unlock+0x164/0x220 [ 35.162944] ? copy_mount_string+0x40/0x40 [ 35.167187] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 35.172189] ? copy_mnt_ns+0xa30/0xa30 [ 35.176076] ? copy_mount_options+0x1fa/0x2f0 [ 35.180641] ? copy_mnt_ns+0xa30/0xa30 [ 35.185298] SyS_mount+0xa8/0x120 [ 35.188731] ? copy_mnt_ns+0xa30/0xa30 [ 35.192615] do_syscall_64+0x1d5/0x640 [ 35.196505] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 35.201692] RIP: 0033:0x4483ea [ 35.204864] RSP: 002b:00007ffe95afd138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 35.212556] RAX: ffffffffffffffda RBX: 00007ffe95afd180 RCX: 00000000004483ea [ 35.219826] RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 00007ffe95afd180 [ 35.227078] RBP: 0000000000000001 R08: 00007ffe95afd1c0 R09: 00007ffe95afd30f [ 35.234329] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000006 [ 35.241636] R13: 00007ffe95afd1c0 R14: 0000000000000005 R15: 0000000000000000 [ 35.253602] CPU: 0 PID: 6451 Comm: syz-executor048 Not tainted 4.14.194-syzkaller #0 [ 35.261560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.271021] Call Trace: [ 35.273620] dump_stack+0x1b2/0x283 [ 35.275982] ISOFS: Unable to identify CD-ROM format. [ 35.277335] should_fail.cold+0x10a/0x154 [ 35.277350] should_failslab+0xd6/0x130 [ 35.277359] kmem_cache_alloc+0x28e/0x3c0 [ 35.288631] ISOFS: Unable to identify CD-ROM format. [ 35.291118] alloc_buffer_head+0x20/0x110 [ 35.291126] alloc_page_buffers+0xb3/0x1f0 [ 35.291141] __getblk_slow+0x2d6/0x7a0 [ 35.291155] __bread_gfp+0x206/0x2e0 [ 35.291164] isofs_fill_super+0x959/0x23f0 [ 35.291180] ? __isofs_iget+0x1de0/0x1de0 [ 35.291189] ? pointer+0x9e0/0x9e0 [ 35.291200] ? lock_downgrade+0x740/0x740 [ 35.291210] ? snprintf+0xa5/0xd0 [ 35.291216] ? vsprintf+0x30/0x30 [ 35.291225] ? ns_test_super+0x50/0x50 [ 35.291233] ? set_blocksize+0x125/0x380 [ 35.291246] mount_bdev+0x2b3/0x360 [ 35.291253] ? __isofs_iget+0x1de0/0x1de0 [ 35.291262] mount_fs+0x92/0x2a0 [ 35.291273] vfs_kern_mount.part.0+0x5b/0x470 [ 35.291283] do_mount+0xe53/0x2a00 [ 35.366884] ? do_raw_spin_unlock+0x164/0x220 [ 35.371389] ? copy_mount_string+0x40/0x40 [ 35.375619] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 35.380620] ? copy_mnt_ns+0xa30/0xa30 [ 35.384517] ? copy_mount_options+0x1fa/0x2f0 [ 35.389005] ? copy_mnt_ns+0xa30/0xa30 [ 35.392884] SyS_mount+0xa8/0x120 [ 35.396325] ? copy_mnt_ns+0xa30/0xa30 [ 35.400338] do_syscall_64+0x1d5/0x640 [ 35.404376] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 35.409584] RIP: 0033:0x4483ea [ 35.412798] RSP: 002b:00007ffe95afd138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 executing program executing program [ 35.420518] RAX: ffffffffffffffda RBX: 00007ffe95afd180 RCX: 00000000004483ea [ 35.427774] RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 00007ffe95afd180 [ 35.435229] RBP: 0000000000000001 R08: 00007ffe95afd1c0 R09: 00007ffe95afd30f [ 35.442492] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000006 [ 35.449860] R13: 00007ffe95afd1c0 R14: 0000000000000005 R15: 0000000000000000 [ 35.460662] IPVS: ftp: loaded support on port[0] = 21 executing program [ 35.493975] ISOFS: Unable to identify CD-ROM format. [ 35.502790] FAULT_INJECTION: forcing a failure. [ 35.502790] name failslab, interval 1, probability 0, space 0, times 0 [ 35.511157] FAULT_INJECTION: forcing a failure. [ 35.511157] name failslab, interval 1, probability 0, space 0, times 0 [ 35.515950] FAULT_INJECTION: forcing a failure. [ 35.515950] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 35.537227] CPU: 1 PID: 6490 Comm: syz-executor048 Not tainted 4.14.194-syzkaller #0 [ 35.545091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.554434] Call Trace: [ 35.557014] dump_stack+0x1b2/0x283 [ 35.560646] should_fail.cold+0x10a/0x154 [ 35.564789] __alloc_pages_nodemask+0x22c/0x2720 [ 35.569644] ? trace_hardirqs_on+0x10/0x10 [ 35.573877] ? deref_stack_reg+0x124/0x1a0 [ 35.578100] ? __lock_acquire+0x5fc/0x3f20 [ 35.582331] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 35.587156] ? get_page_from_freelist+0xaf6/0x2560 [ 35.592175] ? __lock_acquire+0x5fc/0x3f20 [ 35.596396] cache_grow_begin+0x8f/0x420 [ 35.600442] cache_alloc_refill+0x273/0x350 [ 35.604747] kmem_cache_alloc+0x333/0x3c0 [ 35.608896] radix_tree_node_alloc.constprop.0+0x1b0/0x2f0 [ 35.614509] __radix_tree_create+0x323/0x4b0 [ 35.618922] page_cache_tree_insert+0x98/0x2a0 [ 35.623490] ? file_check_and_advance_wb_err+0x370/0x370 [ 35.628976] ? __add_to_page_cache_locked+0x1ed/0x840 [ 35.634155] __add_to_page_cache_locked+0x1fd/0x840 [ 35.639157] ? page_cache_tree_insert+0x2a0/0x2a0 [ 35.644118] ? lock_downgrade+0x740/0x740 [ 35.648250] add_to_page_cache_lru+0xcf/0x2b0 [ 35.652730] ? add_to_page_cache_locked+0x40/0x40 [ 35.657560] ? alloc_pages_current+0x15d/0x260 [ 35.662166] pagecache_get_page+0x300/0xab0 [ 35.666496] __getblk_slow+0x1dd/0x7a0 [ 35.670371] __bread_gfp+0x206/0x2e0 [ 35.674069] isofs_fill_super+0x959/0x23f0 [ 35.678379] ? __isofs_iget+0x1de0/0x1de0 [ 35.682510] ? pointer+0x9e0/0x9e0 [ 35.686046] ? lock_downgrade+0x740/0x740 [ 35.690200] ? snprintf+0xa5/0xd0 [ 35.693632] ? vsprintf+0x30/0x30 [ 35.697067] ? ns_test_super+0x50/0x50 [ 35.700937] ? set_blocksize+0x125/0x380 [ 35.705004] mount_bdev+0x2b3/0x360 [ 35.708630] ? __isofs_iget+0x1de0/0x1de0 [ 35.712760] mount_fs+0x92/0x2a0 [ 35.716210] vfs_kern_mount.part.0+0x5b/0x470 [ 35.720689] do_mount+0xe53/0x2a00 [ 35.724217] ? do_raw_spin_unlock+0x164/0x220 [ 35.728698] ? copy_mount_string+0x40/0x40 [ 35.732933] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 35.737931] ? copy_mnt_ns+0xa30/0xa30 [ 35.741818] ? copy_mount_options+0x1fa/0x2f0 [ 35.746297] ? copy_mnt_ns+0xa30/0xa30 [ 35.750178] SyS_mount+0xa8/0x120 [ 35.753638] ? copy_mnt_ns+0xa30/0xa30 [ 35.757534] do_syscall_64+0x1d5/0x640 [ 35.761501] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 35.766674] RIP: 0033:0x4483ea [ 35.769862] RSP: 002b:00007ffe95afd138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 35.777728] RAX: ffffffffffffffda RBX: 00007ffe95afd180 RCX: 00000000004483ea [ 35.784983] RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 00007ffe95afd180 executing program [ 35.792249] RBP: 0000000000000001 R08: 00007ffe95afd1c0 R09: 00007ffe95afd30f [ 35.799500] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000006 [ 35.806770] R13: 00007ffe95afd1c0 R14: 0000000000000005 R15: 0000000000000000 [ 35.824220] ISOFS: Unable to identify CD-ROM format. [ 35.842243] CPU: 1 PID: 6497 Comm: syz-executor048 Not tainted 4.14.194-syzkaller #0 [ 35.850945] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.860298] Call Trace: [ 35.862888] dump_stack+0x1b2/0x283 [ 35.866527] should_fail.cold+0x10a/0x154 [ 35.870686] should_failslab+0xd6/0x130 [ 35.874658] kmem_cache_alloc+0x28e/0x3c0 [ 35.878840] alloc_buffer_head+0x20/0x110 [ 35.882989] alloc_page_buffers+0xb3/0x1f0 [ 35.887234] __getblk_slow+0x2d6/0x7a0 [ 35.891127] __bread_gfp+0x206/0x2e0 [ 35.894839] isofs_fill_super+0x959/0x23f0 [ 35.899078] ? __isofs_iget+0x1de0/0x1de0 [ 35.903249] ? pointer+0x9e0/0x9e0 [ 35.906787] ? lock_downgrade+0x740/0x740 [ 35.910957] ? snprintf+0xa5/0xd0 [ 35.914407] ? vsprintf+0x30/0x30 [ 35.918051] ? ns_test_super+0x50/0x50 [ 35.921961] ? set_blocksize+0x125/0x380 [ 35.926020] mount_bdev+0x2b3/0x360 [ 35.929676] ? __isofs_iget+0x1de0/0x1de0 [ 35.933830] mount_fs+0x92/0x2a0 [ 35.937212] vfs_kern_mount.part.0+0x5b/0x470 [ 35.942069] do_mount+0xe53/0x2a00 [ 35.946419] ? do_raw_spin_unlock+0x164/0x220 [ 35.951362] ? copy_mount_string+0x40/0x40 [ 35.955607] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 35.960639] ? copy_mnt_ns+0xa30/0xa30 [ 35.964522] ? copy_mount_options+0x1fa/0x2f0 [ 35.969007] ? copy_mnt_ns+0xa30/0xa30 [ 35.972894] SyS_mount+0xa8/0x120 [ 35.976345] ? copy_mnt_ns+0xa30/0xa30 [ 35.980225] do_syscall_64+0x1d5/0x640 [ 35.984465] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 35.989648] RIP: 0033:0x4483ea [ 35.992838] RSP: 002b:00007ffe95afd138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 36.000576] RAX: ffffffffffffffda RBX: 00007ffe95afd180 RCX: 00000000004483ea [ 36.007833] RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 00007ffe95afd180 [ 36.015096] RBP: 0000000000000001 R08: 00007ffe95afd1c0 R09: 00007ffe95afd30f [ 36.022371] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000006 [ 36.029644] R13: 00007ffe95afd1c0 R14: 0000000000000005 R15: 0000000000000000 [ 36.036947] CPU: 0 PID: 6491 Comm: syz-executor048 Not tainted 4.14.194-syzkaller #0 executing program [ 36.044944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.054306] Call Trace: [ 36.056899] dump_stack+0x1b2/0x283 [ 36.060554] should_fail.cold+0x10a/0x154 [ 36.064709] should_failslab+0xd6/0x130 [ 36.068692] kmem_cache_alloc+0x28e/0x3c0 [ 36.072849] alloc_buffer_head+0x20/0x110 [ 36.076996] alloc_page_buffers+0xb3/0x1f0 [ 36.077156] ISOFS: Unable to identify CD-ROM format. [ 36.081229] __getblk_slow+0x2d6/0x7a0 [ 36.081244] __bread_gfp+0x206/0x2e0 executing program executing program executing program executing program executing program executing program [ 36.081253] isofs_fill_super+0x959/0x23f0 [ 36.081270] ? __isofs_iget+0x1de0/0x1de0 [ 36.091227] FAULT_INJECTION: forcing a failure. [ 36.091227] name failslab, interval 1, probability 0, space 0, times 0 [ 36.094028] ? pointer+0x9e0/0x9e0 [ 36.094041] ? lock_downgrade+0x740/0x740 [ 36.094047] ? snprintf+0xa5/0xd0 [ 36.094051] ? vsprintf+0x30/0x30 [ 36.094057] ? ns_test_super+0x50/0x50 [ 36.094065] ? set_blocksize+0x125/0x380 [ 36.094074] mount_bdev+0x2b3/0x360 [ 36.094082] ? __isofs_iget+0x1de0/0x1de0 executing program executing program executing program executing program executing program [ 36.094091] mount_fs+0x92/0x2a0 [ 36.094101] vfs_kern_mount.part.0+0x5b/0x470 [ 36.094112] do_mount+0xe53/0x2a00 [ 36.155415] ? copy_mount_string+0x40/0x40 [ 36.159660] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 36.164683] ? copy_mnt_ns+0xa30/0xa30 [ 36.168575] ? copy_mount_options+0x1fa/0x2f0 [ 36.173073] ? copy_mnt_ns+0xa30/0xa30 [ 36.176961] SyS_mount+0xa8/0x120 [ 36.180407] ? copy_mnt_ns+0xa30/0xa30 [ 36.184299] do_syscall_64+0x1d5/0x640 [ 36.188187] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 36.193369] RIP: 0033:0x4483ea executing program executing program executing program [ 36.196550] RSP: 002b:00007ffe95afd138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 36.204263] RAX: ffffffffffffffda RBX: 00007ffe95afd180 RCX: 00000000004483ea [ 36.211540] RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 00007ffe95afd180 [ 36.218806] RBP: 0000000000000001 R08: 00007ffe95afd1c0 R09: 00007ffe95afd30f [ 36.226077] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000006 [ 36.233376] R13: 00007ffe95afd1c0 R14: 0000000000000005 R15: 0000000000000000 [ 36.240659] CPU: 1 PID: 6517 Comm: syz-executor048 Not tainted 4.14.194-syzkaller #0 [ 36.248550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.257905] Call Trace: [ 36.260488] dump_stack+0x1b2/0x283 [ 36.264107] should_fail.cold+0x10a/0x154 [ 36.268253] should_failslab+0xd6/0x130 [ 36.272209] __kmalloc+0x2c1/0x400 [ 36.275729] ? register_shrinker+0x1ab/0x220 [ 36.280133] register_shrinker+0x1ab/0x220 [ 36.284581] sget_userns+0x9aa/0xc10 [ 36.288290] ? set_bdev_super+0x110/0x110 [ 36.292429] ? ns_test_super+0x50/0x50 [ 36.296387] ? set_bdev_super+0x110/0x110 [ 36.300515] ? ns_test_super+0x50/0x50 [ 36.304556] sget+0xd1/0x110 [ 36.307560] mount_bdev+0xcd/0x360 [ 36.311080] ? __isofs_iget+0x1de0/0x1de0 [ 36.315238] mount_fs+0x92/0x2a0 [ 36.318605] vfs_kern_mount.part.0+0x5b/0x470 [ 36.323097] do_mount+0xe53/0x2a00 [ 36.326622] ? do_raw_spin_unlock+0x164/0x220 [ 36.331101] ? copy_mount_string+0x40/0x40 [ 36.335331] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 36.340340] ? copy_mnt_ns+0xa30/0xa30 [ 36.344246] ? copy_mount_options+0x1fa/0x2f0 [ 36.348743] ? copy_mnt_ns+0xa30/0xa30 [ 36.352984] SyS_mount+0xa8/0x120 [ 36.356420] ? copy_mnt_ns+0xa30/0xa30 [ 36.360316] do_syscall_64+0x1d5/0x640 [ 36.364191] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 36.369466] RIP: 0033:0x4483ea [ 36.372657] RSP: 002b:00007ffe95afd138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 36.380347] RAX: ffffffffffffffda RBX: 00007ffe95afd180 RCX: 00000000004483ea [ 36.387613] RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 00007ffe95afd180 executing program executing program [ 36.394879] RBP: 0000000000000001 R08: 00007ffe95afd1c0 R09: 00007ffe95afd30f [ 36.402148] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000006 [ 36.409415] R13: 00007ffe95afd1c0 R14: 0000000000000005 R15: 0000000000000000 [ 36.450879] ISOFS: Unable to identify CD-ROM format. [ 36.454731] FAULT_INJECTION: forcing a failure. [ 36.454731] name failslab, interval 1, probability 0, space 0, times 0 [ 36.459865] FAULT_INJECTION: forcing a failure. [ 36.459865] name failslab, interval 1, probability 0, space 0, times 0 [ 36.479277] CPU: 0 PID: 6548 Comm: syz-executor048 Not tainted 4.14.194-syzkaller #0 [ 36.487215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.496832] Call Trace: [ 36.499433] dump_stack+0x1b2/0x283 [ 36.503097] should_fail.cold+0x10a/0x154 [ 36.507247] should_failslab+0xd6/0x130 [ 36.512266] kmem_cache_alloc+0x28e/0x3c0 [ 36.516424] alloc_buffer_head+0x20/0x110 [ 36.520570] alloc_page_buffers+0xb3/0x1f0 [ 36.524808] __getblk_slow+0x2d6/0x7a0 [ 36.528703] __bread_gfp+0x206/0x2e0 [ 36.532435] isofs_fill_super+0x959/0x23f0 [ 36.536695] ? __isofs_iget+0x1de0/0x1de0 [ 36.540844] ? pointer+0x9e0/0x9e0 [ 36.544490] ? lock_downgrade+0x740/0x740 [ 36.548639] ? snprintf+0xa5/0xd0 [ 36.552092] ? vsprintf+0x30/0x30 [ 36.555538] ? ns_test_super+0x50/0x50 [ 36.559448] ? set_blocksize+0x125/0x380 [ 36.563524] mount_bdev+0x2b3/0x360 [ 36.567170] ? __isofs_iget+0x1de0/0x1de0 [ 36.571320] mount_fs+0x92/0x2a0 [ 36.574690] vfs_kern_mount.part.0+0x5b/0x470 [ 36.579275] do_mount+0xe53/0x2a00 [ 36.582819] ? copy_mount_string+0x40/0x40 [ 36.587073] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 36.592095] ? copy_mnt_ns+0xa30/0xa30 [ 36.595989] ? copy_mount_options+0x1fa/0x2f0 [ 36.600482] ? copy_mnt_ns+0xa30/0xa30 [ 36.604367] SyS_mount+0xa8/0x120 [ 36.607804] ? copy_mnt_ns+0xa30/0xa30 [ 36.611681] do_syscall_64+0x1d5/0x640 [ 36.615597] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 36.620776] RIP: 0033:0x4483ea [ 36.625181] RSP: 002b:00007ffe95afd138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 36.632887] RAX: ffffffffffffffda RBX: 00007ffe95afd180 RCX: 00000000004483ea [ 36.640139] RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 00007ffe95afd180 [ 36.647415] RBP: 0000000000000001 R08: 00007ffe95afd1c0 R09: 00007ffe95afd30f [ 36.654689] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000006 [ 36.661941] R13: 00007ffe95afd1c0 R14: 0000000000000005 R15: 0000000000000000 [ 36.669214] CPU: 1 PID: 6546 Comm: syz-executor048 Not tainted 4.14.194-syzkaller #0 [ 36.677105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.686477] Call Trace: [ 36.689054] dump_stack+0x1b2/0x283 [ 36.692679] should_fail.cold+0x10a/0x154 [ 36.696810] should_failslab+0xd6/0x130 [ 36.700767] kmem_cache_alloc+0x28e/0x3c0 [ 36.704910] alloc_buffer_head+0x20/0x110 [ 36.709038] alloc_page_buffers+0xb3/0x1f0 [ 36.713253] __getblk_slow+0x2d6/0x7a0 [ 36.717139] __bread_gfp+0x206/0x2e0 [ 36.720837] isofs_fill_super+0x959/0x23f0 [ 36.725076] ? __isofs_iget+0x1de0/0x1de0 [ 36.729223] ? pointer+0x9e0/0x9e0 [ 36.732760] ? lock_downgrade+0x740/0x740 [ 36.736910] ? snprintf+0xa5/0xd0 [ 36.740348] ? vsprintf+0x30/0x30 [ 36.743866] ? ns_test_super+0x50/0x50 [ 36.747737] ? set_blocksize+0x125/0x380 [ 36.751934] mount_bdev+0x2b3/0x360 [ 36.755561] ? __isofs_iget+0x1de0/0x1de0 [ 36.759695] mount_fs+0x92/0x2a0 [ 36.763045] vfs_kern_mount.part.0+0x5b/0x470 [ 36.767525] do_mount+0xe53/0x2a00 [ 36.771136] ? copy_mount_string+0x40/0x40 [ 36.775352] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 36.780362] ? copy_mnt_ns+0xa30/0xa30 [ 36.784244] ? copy_mount_options+0x1fa/0x2f0 [ 36.788717] ? copy_mnt_ns+0xa30/0xa30 [ 36.792688] SyS_mount+0xa8/0x120 [ 36.796135] ? copy_mnt_ns+0xa30/0xa30 [ 36.800014] do_syscall_64+0x1d5/0x640 [ 36.803887] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 36.809057] RIP: 0033:0x4483ea [ 36.812233] RSP: 002b:00007ffe95afd138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 36.822093] RAX: ffffffffffffffda RBX: 00007ffe95afd180 RCX: 00000000004483ea [ 36.829345] RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 00007ffe95afd180 [ 36.836622] RBP: 0000000000000001 R08: 00007ffe95afd1c0 R09: 00007ffe95afd30f [ 36.843872] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000006 executing program [ 36.851121] R13: 00007ffe95afd1c0 R14: 0000000000000005 R15: 0000000000000000 [ 36.903864] ------------[ cut here ]------------ [ 36.909193] WARNING: CPU: 1 PID: 6517 at fs/super.c:1163 kill_block_super+0xbe/0xe0 [ 36.916998] Kernel panic - not syncing: panic_on_warn set ... [ 36.916998] [ 36.924377] CPU: 1 PID: 6517 Comm: syz-executor048 Not tainted 4.14.194-syzkaller #0 [ 36.925791] ISOFS: Unable to identify CD-ROM format. [ 36.932258] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.932274] Call Trace: [ 36.932291] dump_stack+0x1b2/0x283 [ 36.932302] panic+0x1f9/0x42d [ 36.932309] ? add_taint.cold+0x16/0x16 [ 36.932320] ? kill_block_super+0xbe/0xe0 [ 36.932329] ? kill_block_super+0xbe/0xe0 [ 36.932336] __warn.cold+0x20/0x4b [ 36.932343] ? ist_end_non_atomic+0x10/0x10 [ 36.932352] ? kill_block_super+0xbe/0xe0 [ 36.948484] ISOFS: Unable to identify CD-ROM format. [ 36.949726] report_bug+0x208/0x249 [ 36.949738] do_error_trap+0x195/0x2d0 [ 36.949746] ? math_error+0x2d0/0x2d0 [ 36.949754] ? retint_kernel+0x2d/0x2d [ 36.949767] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.949776] invalid_op+0x1b/0x40 [ 36.949787] RIP: 0010:kill_block_super+0xbe/0xe0 [ 37.015449] RSP: 0018:ffff888094c7fbc8 EFLAGS: 00010297 [ 37.020958] RAX: ffff888094524080 RBX: 0000000000000000 RCX: 1ffff110128a4926 [ 37.028212] RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff8880a6976af0 [ 37.035466] RBP: ffff88809324ccc0 R08: ffffffff8a0adf90 R09: 0000000000000001 [ 37.042906] R10: 0000000000000000 R11: ffff888094524080 R12: ffff8880a6976640 [ 37.050177] R13: ffffffff87eb5e10 R14: ffffffff87d536a0 R15: dffffc0000000000 [ 37.057446] ? kill_block_super+0xbe/0xe0 [ 37.061697] deactivate_locked_super+0x6c/0xd0 [ 37.066294] sget_userns+0x9c4/0xc10 [ 37.070024] ? set_bdev_super+0x110/0x110 [ 37.074544] ? ns_test_super+0x50/0x50 [ 37.078428] ? set_bdev_super+0x110/0x110 [ 37.082573] ? ns_test_super+0x50/0x50 [ 37.086447] sget+0xd1/0x110 [ 37.089452] mount_bdev+0xcd/0x360 [ 37.092983] ? __isofs_iget+0x1de0/0x1de0 [ 37.097117] mount_fs+0x92/0x2a0 [ 37.100467] vfs_kern_mount.part.0+0x5b/0x470 [ 37.104948] do_mount+0xe53/0x2a00 [ 37.108479] ? do_raw_spin_unlock+0x164/0x220 [ 37.112966] ? copy_mount_string+0x40/0x40 [ 37.117194] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 37.122230] ? copy_mnt_ns+0xa30/0xa30 [ 37.126117] ? copy_mount_options+0x1fa/0x2f0 [ 37.130600] ? copy_mnt_ns+0xa30/0xa30 [ 37.134679] SyS_mount+0xa8/0x120 [ 37.138130] ? copy_mnt_ns+0xa30/0xa30 [ 37.142018] do_syscall_64+0x1d5/0x640 [ 37.145908] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.151183] RIP: 0033:0x4483ea [ 37.154648] RSP: 002b:00007ffe95afd138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 37.164772] RAX: ffffffffffffffda RBX: 00007ffe95afd180 RCX: 00000000004483ea [ 37.172028] RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 00007ffe95afd180 [ 37.179303] RBP: 0000000000000001 R08: 00007ffe95afd1c0 R09: 00007ffe95afd30f [ 37.186666] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000006 [ 37.194124] R13: 00007ffe95afd1c0 R14: 0000000000000005 R15: 0000000000000000 [ 37.203527] Kernel Offset: disabled [ 37.207389] Rebooting in 86400 seconds..