[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.1' (ECDSA) to the list of known hosts. syzkaller login: [ 77.904798] audit: type=1400 audit(1598143527.156:8): avc: denied { execmem } for pid=6342 comm="syz-executor155" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 77.906416] FAULT_INJECTION: forcing a failure. [ 77.906416] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 77.938525] CPU: 0 PID: 6342 Comm: syz-executor155 Not tainted 4.14.194-syzkaller #0 [ 77.946402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.955737] Call Trace: [ 77.958339] dump_stack+0x1b2/0x283 [ 77.961948] should_fail.cold+0x10a/0x154 [ 77.966075] __alloc_pages_nodemask+0x22c/0x2720 [ 77.970824] ? is_bpf_text_address+0xb8/0x150 [ 77.975307] ? unwind_get_return_address+0x51/0x90 [ 77.980229] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 77.985584] ? __save_stack_trace+0xa0/0x160 [ 77.989982] ? depot_save_stack+0x10d/0x3e3 [ 77.994282] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 77.999102] ? kasan_kmalloc+0x139/0x160 [ 78.003143] ? __lock_acquire+0x5fc/0x3f20 [ 78.007354] ? trace_hardirqs_on+0x10/0x10 [ 78.011569] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 78.016921] ? avc_has_perm_noaudit+0x157/0x2a0 [ 78.021586] alloc_pages_current+0x155/0x260 [ 78.025985] get_zeroed_page+0x19/0x50 [ 78.029848] __pud_alloc+0x33/0x200 [ 78.033469] copy_page_range+0x146d/0x2630 [ 78.037681] ? fs_reclaim_release+0xd0/0x110 [ 78.042110] ? anon_vma_fork+0x432/0x580 [ 78.046149] ? lock_downgrade+0x740/0x740 [ 78.050285] ? anon_vma_interval_tree_insert+0x20a/0x3c0 [ 78.055731] ? apply_to_page_range+0xa60/0xa60 [ 78.060286] ? validate_mm_rb+0x3a/0xa0 [ 78.064239] copy_process.part.0+0x4a6f/0x6f00 [ 78.068831] ? __cleanup_sighand+0x40/0x40 [ 78.073084] ? lock_acquire+0x170/0x3f0 [ 78.077042] _do_fork+0x184/0xc80 [ 78.080486] ? fork_idle+0x270/0x270 [ 78.084181] ? _raw_spin_unlock_irq+0x5a/0x80 [ 78.088653] ? task_work_run+0xfd/0x190 [ 78.092609] ? do_syscall_64+0x4c/0x640 [ 78.096569] ? sys_vfork+0x20/0x20 [ 78.100087] do_syscall_64+0x1d5/0x640 [ 78.103958] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 78.109150] RIP: 0033:0x44429a [ 78.112316] RSP: 002b:00007ffc71f65bc0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 78.120002] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000044429a [ 78.127261] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 78.134505] RBP: 00007ffc71f65be0 R08: 0000000000000000 R09: 0000000000ae8880 [ 78.141767] R10: 0000000000ae8b50 R11: 0000000000000246 R12: 0000000000000000 [ 78.149019] R13: 0000000000402ba0 R14: 0000000000000000 R15: 0000000000000000 executing program [ 78.178247] IPVS: ftp: loaded support on port[0] = 21 [ 78.217816] IPVS: ftp: loaded support on port[0] = 21 [ 78.233161] FAULT_INJECTION: forcing a failure. [ 78.233161] name failslab, interval 1, probability 0, space 0, times 1 [ 78.246748] CPU: 1 PID: 6373 Comm: syz-executor155 Not tainted 4.14.194-syzkaller #0 [ 78.254633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.263979] Call Trace: [ 78.266564] dump_stack+0x1b2/0x283 [ 78.270193] should_fail.cold+0x10a/0x154 [ 78.274351] should_failslab+0xd6/0x130 [ 78.278329] __kmalloc+0x2c1/0x400 [ 78.281865] ? hfsplus_read_wrapper+0x281/0xd68 [ 78.286530] ? ioctl_by_bdev+0xa0/0x110 [ 78.290504] hfsplus_read_wrapper+0x281/0xd68 [ 78.294999] ? hfsplus_submit_bio+0x4e0/0x4e0 [ 78.299498] ? _raw_spin_unlock+0x29/0x40 [ 78.303644] ? find_nls+0xf6/0x130 [ 78.307181] hfsplus_fill_super+0x331/0x1850 [ 78.311586] ? widen_string+0xbf/0x200 [ 78.315470] ? hfsplus_iget+0x700/0x700 [ 78.319443] ? string+0x17e/0x1d0 [ 78.322895] ? widen_string+0x200/0x200 [ 78.324650] FAULT_INJECTION: forcing a failure. [ 78.324650] name failslab, interval 1, probability 0, space 0, times 1 [ 78.326866] ? bdev_name.constprop.0+0x1cd/0x240 [ 78.326877] ? pointer+0x31f/0x9e0 [ 78.326886] ? netdev_bits+0xa0/0xa0 [ 78.326898] ? format_decode+0x1cb/0x890 [ 78.354072] ? set_precision+0x150/0x150 [ 78.358129] ? reacquire_held_locks+0xb5/0x3f0 [ 78.362710] ? vsnprintf+0x260/0x1340 [ 78.366513] ? pointer+0x9e0/0x9e0 [ 78.370049] ? lock_downgrade+0x740/0x740 [ 78.374190] ? snprintf+0xa5/0xd0 [ 78.377635] ? vsprintf+0x30/0x30 [ 78.381085] ? ns_test_super+0x50/0x50 [ 78.384966] ? set_blocksize+0x125/0x380 [ 78.389025] mount_bdev+0x2b3/0x360 [ 78.392641] ? hfsplus_iget+0x700/0x700 [ 78.396606] mount_fs+0x92/0x2a0 [ 78.399961] vfs_kern_mount.part.0+0x5b/0x470 [ 78.404449] do_mount+0xe53/0x2a00 [ 78.407997] ? retint_kernel+0x2d/0x2d [ 78.411874] ? copy_mount_string+0x40/0x40 [ 78.416118] ? copy_mount_options+0x194/0x2f0 [ 78.420602] ? copy_mount_options+0x1fa/0x2f0 [ 78.425081] ? copy_mnt_ns+0xa30/0xa30 [ 78.428970] SyS_mount+0xa8/0x120 [ 78.432412] ? copy_mnt_ns+0xa30/0xa30 [ 78.436289] do_syscall_64+0x1d5/0x640 [ 78.440168] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 78.445379] RIP: 0033:0x44844a [ 78.448555] RSP: 002b:00007ffc71f659e8 EFLAGS: 00000287 ORIG_RAX: 00000000000000a5 [ 78.456253] RAX: ffffffffffffffda RBX: 00007ffc71f65a30 RCX: 000000000044844a executing program [ 78.463507] RDX: 0000000020000000 RSI: 0000000020000040 RDI: 00007ffc71f65a30 [ 78.470779] RBP: 0000000000000000 R08: 00007ffc71f65a70 R09: 0000000000000000 [ 78.478034] R10: 0000000000000000 R11: 0000000000000287 R12: 0000000000000007 [ 78.485323] R13: 00007ffc71f65a70 R14: 0000000000000006 R15: 0000000000000000 [ 78.492631] CPU: 0 PID: 6380 Comm: syz-executor155 Not tainted 4.14.194-syzkaller #0 [ 78.500517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.509869] Call Trace: [ 78.512456] dump_stack+0x1b2/0x283 [ 78.516083] should_fail.cold+0x10a/0x154 [ 78.520228] ? is_bpf_text_address+0x91/0x150 [ 78.523565] hfsplus: unable to find HFS+ superblock [ 78.524722] should_failslab+0xd6/0x130 [ 78.533672] kmem_cache_alloc+0x40/0x3c0 [ 78.537725] __debug_object_init+0x578/0x7a0 [ 78.542123] ? debug_object_destroy+0x240/0x240 [ 78.546882] ? __lockdep_init_map+0x100/0x560 [ 78.551356] __init_work+0x3f/0x50 [ 78.554879] hfsplus_fill_super+0x167/0x1850 [ 78.559282] ? widen_string+0xbf/0x200 [ 78.563148] ? hfsplus_iget+0x700/0x700 [ 78.567097] ? string+0x17e/0x1d0 [ 78.570528] ? widen_string+0x200/0x200 [ 78.574481] ? bdev_name.constprop.0+0x1cd/0x240 [ 78.579211] ? pointer+0x31f/0x9e0 [ 78.582730] ? netdev_bits+0xa0/0xa0 [ 78.586436] ? lock_downgrade+0x740/0x740 [ 78.590560] ? format_decode+0x1cb/0x890 [ 78.594614] ? set_precision+0x150/0x150 [ 78.598650] ? reacquire_held_locks+0xb5/0x3f0 [ 78.603214] ? vsnprintf+0x260/0x1340 [ 78.606993] ? pointer+0x9e0/0x9e0 [ 78.610549] ? lock_downgrade+0x740/0x740 [ 78.614690] ? snprintf+0xa5/0xd0 [ 78.618118] ? vsprintf+0x30/0x30 [ 78.622330] ? ns_test_super+0x50/0x50 [ 78.626208] ? set_blocksize+0x125/0x380 [ 78.630247] mount_bdev+0x2b3/0x360 [ 78.633857] ? hfsplus_iget+0x700/0x700 [ 78.637838] mount_fs+0x92/0x2a0 [ 78.641201] vfs_kern_mount.part.0+0x5b/0x470 [ 78.645697] do_mount+0xe53/0x2a00 [ 78.649215] ? retint_kernel+0x2d/0x2d [ 78.653091] ? copy_mount_string+0x40/0x40 [ 78.657319] ? copy_mount_options+0x194/0x2f0 [ 78.661794] ? copy_mount_options+0x1fa/0x2f0 [ 78.666277] ? copy_mnt_ns+0xa30/0xa30 [ 78.670140] SyS_mount+0xa8/0x120 [ 78.673569] ? copy_mnt_ns+0xa30/0xa30 [ 78.677436] do_syscall_64+0x1d5/0x640 [ 78.681305] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 78.686468] RIP: 0033:0x44844a [ 78.689645] RSP: 002b:00007ffc71f659e8 EFLAGS: 00000287 ORIG_RAX: 00000000000000a5 [ 78.697339] RAX: ffffffffffffffda RBX: 00007ffc71f65a30 RCX: 000000000044844a [ 78.704672] RDX: 0000000020000000 RSI: 0000000020000040 RDI: 00007ffc71f65a30 [ 78.711932] RBP: 0000000000000000 R08: 00007ffc71f65a70 R09: 0000000000000000 executing program executing program [ 78.719220] R10: 0000000000000000 R11: 0000000000000287 R12: 0000000000000007 [ 78.726463] R13: 00007ffc71f65a70 R14: 0000000000000006 R15: 0000000000000000 [ 78.736601] IPVS: ftp: loaded support on port[0] = 21 [ 78.742657] hfsplus: unable to find HFS+ superblock [ 78.776871] FAULT_INJECTION: forcing a failure. [ 78.776871] name failslab, interval 1, probability 0, space 0, times 0 [ 78.789068] CPU: 1 PID: 6405 Comm: syz-executor155 Not tainted 4.14.194-syzkaller #0 [ 78.790266] FAULT_INJECTION: forcing a failure. [ 78.790266] name failslab, interval 1, probability 0, space 0, times 0 [ 78.796944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.796948] Call Trace: [ 78.796962] dump_stack+0x1b2/0x283 [ 78.796976] should_fail.cold+0x10a/0x154 [ 78.796986] ? kasan_kmalloc+0xeb/0x160 [ 78.796996] ? mempool_free+0x1d0/0x1d0 [ 78.797009] should_failslab+0xd6/0x130 [ 78.839714] kmem_cache_alloc+0x40/0x3c0 [ 78.843782] ? mempool_free+0x1d0/0x1d0 [ 78.847745] mempool_alloc+0x10e/0x2d0 [ 78.851621] ? remove_element.isra.0+0x1b0/0x1b0 [ 78.856362] ? lo_ioctl+0x8ae/0x1cd0 [ 78.860062] ? __lock_acquire+0x5fc/0x3f20 [ 78.864285] ? loop_set_status64+0xe0/0xe0 [ 78.868555] bio_alloc_bioset+0x41b/0x830 [ 78.872689] ? fs_reclaim_release+0xd0/0x110 [ 78.877085] ? bvec_alloc+0x2d0/0x2d0 [ 78.880881] hfsplus_submit_bio+0x135/0x4e0 [ 78.885209] hfsplus_read_wrapper+0x424/0xd68 [ 78.890388] ? hfsplus_submit_bio+0x4e0/0x4e0 [ 78.894878] ? _raw_spin_unlock+0x29/0x40 [ 78.899029] ? find_nls+0xf6/0x130 [ 78.904903] hfsplus_fill_super+0x331/0x1850 [ 78.909297] ? widen_string+0xbf/0x200 [ 78.913202] ? hfsplus_iget+0x700/0x700 [ 78.917162] ? string+0x17e/0x1d0 [ 78.920620] ? widen_string+0x200/0x200 [ 78.924586] ? bdev_name.constprop.0+0x1cd/0x240 [ 78.929330] ? pointer+0x31f/0x9e0 [ 78.932857] ? netdev_bits+0xa0/0xa0 [ 78.936556] ? lock_downgrade+0x740/0x740 [ 78.940686] ? format_decode+0x1cb/0x890 [ 78.944746] ? set_precision+0x150/0x150 [ 78.948796] ? reacquire_held_locks+0xb5/0x3f0 [ 78.953383] ? vsnprintf+0x260/0x1340 [ 78.957196] ? pointer+0x9e0/0x9e0 [ 78.960735] ? lock_downgrade+0x740/0x740 [ 78.964869] ? snprintf+0xa5/0xd0 [ 78.968348] ? vsprintf+0x30/0x30 [ 78.971789] ? ns_test_super+0x50/0x50 [ 78.975659] ? set_blocksize+0x125/0x380 [ 78.979708] mount_bdev+0x2b3/0x360 [ 78.983323] ? hfsplus_iget+0x700/0x700 [ 78.987283] mount_fs+0x92/0x2a0 [ 78.990636] vfs_kern_mount.part.0+0x5b/0x470 [ 78.995135] do_mount+0xe53/0x2a00 [ 78.998665] ? retint_kernel+0x2d/0x2d [ 79.002546] ? copy_mount_string+0x40/0x40 [ 79.006771] ? copy_mount_options+0x194/0x2f0 [ 79.011249] ? copy_mount_options+0x1fa/0x2f0 [ 79.015727] ? copy_mnt_ns+0xa30/0xa30 [ 79.019601] SyS_mount+0xa8/0x120 [ 79.023040] ? copy_mnt_ns+0xa30/0xa30 [ 79.026914] do_syscall_64+0x1d5/0x640 [ 79.030886] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 79.036060] RIP: 0033:0x44844a [ 79.039231] RSP: 002b:00007ffc71f659e8 EFLAGS: 00000287 ORIG_RAX: 00000000000000a5 [ 79.047012] RAX: ffffffffffffffda RBX: 00007ffc71f65a30 RCX: 000000000044844a [ 79.054265] RDX: 0000000020000000 RSI: 0000000020000040 RDI: 00007ffc71f65a30 [ 79.061521] RBP: 0000000000000000 R08: 00007ffc71f65a70 R09: 0000000000000000 [ 79.068798] R10: 0000000000000000 R11: 0000000000000287 R12: 0000000000000007 [ 79.076061] R13: 00007ffc71f65a70 R14: 0000000000000006 R15: 0000000000000000 [ 79.083337] CPU: 0 PID: 6411 Comm: syz-executor155 Not tainted 4.14.194-syzkaller #0 [ 79.091213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.100560] Call Trace: [ 79.103145] dump_stack+0x1b2/0x283 [ 79.106776] should_fail.cold+0x10a/0x154 [ 79.110928] should_failslab+0xd6/0x130 [ 79.114903] kmem_cache_alloc_trace+0x29a/0x3d0 [ 79.119572] hfsplus_fill_super+0xc4/0x1850 [ 79.123892] ? widen_string+0xbf/0x200 [ 79.127782] ? format_decode+0x890/0x890 [ 79.129621] hfsplus: unable to find HFS+ superblock [ 79.131841] ? hfsplus_iget+0x700/0x700 [ 79.131851] ? string+0x17e/0x1d0 [ 79.131860] ? widen_string+0x200/0x200 [ 79.131874] ? bdev_name.constprop.0+0x1cd/0x240 [ 79.131883] ? pointer+0x31f/0x9e0 [ 79.131892] ? netdev_bits+0xa0/0xa0 [ 79.162119] ? lock_downgrade+0x740/0x740 [ 79.166313] ? format_decode+0x1cb/0x890 [ 79.170386] ? set_precision+0x150/0x150 [ 79.174467] ? reacquire_held_locks+0xb5/0x3f0 [ 79.179088] ? vsnprintf+0x260/0x1340 [ 79.182887] ? pointer+0x9e0/0x9e0 [ 79.186428] ? lock_downgrade+0x740/0x740 [ 79.190554] ? snprintf+0xa5/0xd0 [ 79.194016] ? vsprintf+0x30/0x30 [ 79.197465] ? ns_test_super+0x50/0x50 [ 79.201343] ? set_blocksize+0x125/0x380 [ 79.205396] mount_bdev+0x2b3/0x360 [ 79.209031] ? hfsplus_iget+0x700/0x700 [ 79.212994] mount_fs+0x92/0x2a0 [ 79.216339] vfs_kern_mount.part.0+0x5b/0x470 [ 79.220817] do_mount+0xe53/0x2a00 [ 79.224352] ? retint_kernel+0x2d/0x2d [ 79.228219] ? copy_mount_string+0x40/0x40 [ 79.232433] ? copy_mount_options+0x194/0x2f0 [ 79.236945] ? copy_mount_options+0x1fa/0x2f0 [ 79.241418] ? copy_mnt_ns+0xa30/0xa30 [ 79.245289] SyS_mount+0xa8/0x120 [ 79.248776] ? copy_mnt_ns+0xa30/0xa30 [ 79.252653] do_syscall_64+0x1d5/0x640 [ 79.256521] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 79.261692] RIP: 0033:0x44844a [ 79.264871] RSP: 002b:00007ffc71f659e8 EFLAGS: 00000287 ORIG_RAX: 00000000000000a5 [ 79.272554] RAX: ffffffffffffffda RBX: 00007ffc71f65a30 RCX: 000000000044844a [ 79.279801] RDX: 0000000020000000 RSI: 0000000020000040 RDI: 00007ffc71f65a30 [ 79.287054] RBP: 0000000000000000 R08: 00007ffc71f65a70 R09: 0000000000000000 [ 79.294301] R10: 0000000000000000 R11: 0000000000000287 R12: 0000000000000007 [ 79.301559] R13: 00007ffc71f65a70 R14: 0000000000000006 R15: 0000000000000000 executing program executing program executing program [ 79.342686] IPVS: ftp: loaded support on port[0] = 21 [ 79.365685] FAULT_INJECTION: forcing a failure. [ 79.365685] name failslab, interval 1, probability 0, space 0, times 0 [ 79.366453] FAULT_INJECTION: forcing a failure. [ 79.366453] name failslab, interval 1, probability 0, space 0, times 0 [ 79.378467] CPU: 1 PID: 6436 Comm: syz-executor155 Not tainted 4.14.194-syzkaller #0 [ 79.395989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.405326] Call Trace: [ 79.407904] dump_stack+0x1b2/0x283 [ 79.411530] should_fail.cold+0x10a/0x154 [ 79.415671] should_failslab+0xd6/0x130 [ 79.419634] __kmalloc+0x2c1/0x400 [ 79.423170] ? hfsplus_read_wrapper+0x396/0xd68 [ 79.427831] hfsplus_read_wrapper+0x396/0xd68 [ 79.432315] ? hfsplus_submit_bio+0x4e0/0x4e0 [ 79.436809] ? _raw_spin_unlock+0x29/0x40 [ 79.440958] ? find_nls+0xf6/0x130 [ 79.444537] hfsplus_fill_super+0x331/0x1850 [ 79.448934] ? widen_string+0xbf/0x200 [ 79.452836] ? hfsplus_iget+0x700/0x700 [ 79.456817] ? string+0x17e/0x1d0 [ 79.460273] ? widen_string+0x200/0x200 [ 79.465193] ? bdev_name.constprop.0+0x1cd/0x240 [ 79.469938] ? pointer+0x31f/0x9e0 [ 79.473463] ? netdev_bits+0xa0/0xa0 [ 79.477161] ? lock_downgrade+0x740/0x740 [ 79.481293] ? format_decode+0x1cb/0x890 [ 79.485340] ? set_precision+0x150/0x150 [ 79.489390] ? reacquire_held_locks+0xb5/0x3f0 [ 79.493962] ? vsnprintf+0x260/0x1340 [ 79.497753] ? pointer+0x9e0/0x9e0 [ 79.501280] ? lock_downgrade+0x740/0x740 [ 79.505418] ? snprintf+0xa5/0xd0 [ 79.508857] ? vsprintf+0x30/0x30 [ 79.512299] ? ns_test_super+0x50/0x50 [ 79.516173] ? set_blocksize+0x125/0x380 [ 79.520226] mount_bdev+0x2b3/0x360 [ 79.523843] ? hfsplus_iget+0x700/0x700 [ 79.527830] mount_fs+0x92/0x2a0 [ 79.531185] vfs_kern_mount.part.0+0x5b/0x470 [ 79.535672] do_mount+0xe53/0x2a00 [ 79.539205] ? retint_kernel+0x2d/0x2d [ 79.543099] ? copy_mount_string+0x40/0x40 [ 79.547325] ? copy_mount_options+0x194/0x2f0 [ 79.551811] ? copy_mount_options+0x1fa/0x2f0 [ 79.556291] ? copy_mnt_ns+0xa30/0xa30 [ 79.560166] SyS_mount+0xa8/0x120 [ 79.563606] ? copy_mnt_ns+0xa30/0xa30 [ 79.567515] do_syscall_64+0x1d5/0x640 [ 79.571412] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 79.576591] RIP: 0033:0x44844a [ 79.579764] RSP: 002b:00007ffc71f659e8 EFLAGS: 00000287 ORIG_RAX: 00000000000000a5 [ 79.587487] RAX: ffffffffffffffda RBX: 00007ffc71f65a30 RCX: 000000000044844a [ 79.594764] RDX: 0000000020000000 RSI: 0000000020000040 RDI: 00007ffc71f65a30 [ 79.602026] RBP: 0000000000000000 R08: 00007ffc71f65a70 R09: 0000000000000000 [ 79.609294] R10: 0000000000000000 R11: 0000000000000287 R12: 0000000000000007 [ 79.616546] R13: 00007ffc71f65a70 R14: 0000000000000006 R15: 0000000000000000 [ 79.623820] CPU: 0 PID: 6438 Comm: syz-executor155 Not tainted 4.14.194-syzkaller #0 [ 79.631703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.641059] Call Trace: [ 79.641698] FAULT_INJECTION: forcing a failure. [ 79.641698] name failslab, interval 1, probability 0, space 0, times 0 [ 79.643749] dump_stack+0x1b2/0x283 [ 79.643764] should_fail.cold+0x10a/0x154 [ 79.662745] should_failslab+0xd6/0x130 [ 79.666717] __kmalloc+0x2c1/0x400 [ 79.670267] ? match_number+0x9d/0x200 [ 79.674149] match_number+0x9d/0x200 [ 79.677974] ? match_strdup+0xa0/0xa0 [ 79.681775] hfsplus_parse_options+0x3a6/0x730 [ 79.686357] ? hfsplus_parse_options_remount+0x160/0x160 [ 79.691831] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 79.696842] ? init_timer_key+0x68/0x300 [ 79.700900] hfsplus_fill_super+0x2b6/0x1850 [ 79.705308] ? widen_string+0xbf/0x200 [ 79.709191] ? hfsplus_iget+0x700/0x700 [ 79.713161] ? string+0x17e/0x1d0 [ 79.716619] ? widen_string+0x200/0x200 [ 79.720592] ? bdev_name.constprop.0+0x1cd/0x240 [ 79.725342] ? pointer+0x31f/0x9e0 [ 79.728879] ? netdev_bits+0xa0/0xa0 [ 79.732587] ? lock_downgrade+0x740/0x740 [ 79.736749] ? format_decode+0x1cb/0x890 [ 79.740827] ? set_precision+0x150/0x150 [ 79.744912] ? reacquire_held_locks+0xb5/0x3f0 [ 79.749492] ? vsnprintf+0x260/0x1340 [ 79.753289] ? pointer+0x9e0/0x9e0 [ 79.756833] ? lock_downgrade+0x740/0x740 [ 79.760981] ? snprintf+0xa5/0xd0 [ 79.764431] ? vsprintf+0x30/0x30 [ 79.767879] ? ns_test_super+0x50/0x50 [ 79.771759] ? set_blocksize+0x125/0x380 [ 79.775820] mount_bdev+0x2b3/0x360 [ 79.779484] ? hfsplus_iget+0x700/0x700 [ 79.783468] mount_fs+0x92/0x2a0 [ 79.786826] vfs_kern_mount.part.0+0x5b/0x470 [ 79.791312] do_mount+0xe53/0x2a00 [ 79.794848] ? retint_kernel+0x2d/0x2d [ 79.798723] ? copy_mount_string+0x40/0x40 [ 79.802950] ? copy_mount_options+0x18b/0x2f0 [ 79.807432] ? copy_mount_options+0x1fa/0x2f0 [ 79.811912] ? copy_mnt_ns+0xa30/0xa30 [ 79.815802] SyS_mount+0xa8/0x120 [ 79.819240] ? copy_mnt_ns+0xa30/0xa30 [ 79.823118] do_syscall_64+0x1d5/0x640 [ 79.826998] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 79.832181] RIP: 0033:0x44844a [ 79.835356] RSP: 002b:00007ffc71f659e8 EFLAGS: 00000287 ORIG_RAX: 00000000000000a5 [ 79.843066] RAX: ffffffffffffffda RBX: 00007ffc71f65a30 RCX: 000000000044844a [ 79.850345] RDX: 0000000020000000 RSI: 0000000020000040 RDI: 00007ffc71f65a30 [ 79.857601] RBP: 0000000000000000 R08: 00007ffc71f65a70 R09: 0000000000000000 [ 79.864855] R10: 0000000000000000 R11: 0000000000000287 R12: 0000000000000007 [ 79.872109] R13: 00007ffc71f65a70 R14: 0000000000000006 R15: 0000000000000000 [ 79.879386] CPU: 1 PID: 6442 Comm: syz-executor155 Not tainted 4.14.194-syzkaller #0 [ 79.887270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.896616] Call Trace: [ 79.899254] dump_stack+0x1b2/0x283 [ 79.902909] should_fail.cold+0x10a/0x154 [ 79.907060] should_failslab+0xd6/0x130 [ 79.911032] __kmalloc+0x2c1/0x400 [ 79.914569] ? register_shrinker+0x1ab/0x220 [ 79.918974] register_shrinker+0x1ab/0x220 [ 79.923208] sget_userns+0x9aa/0xc10 [ 79.926920] ? set_bdev_super+0x110/0x110 [ 79.931065] ? ns_test_super+0x50/0x50 [ 79.934949] ? set_bdev_super+0x110/0x110 [ 79.939090] ? ns_test_super+0x50/0x50 [ 79.941818] hfsplus: uid requires an argument [ 79.942970] sget+0xd1/0x110 [ 79.942982] mount_bdev+0xcd/0x360 [ 79.942991] ? hfsplus_iget+0x700/0x700 [ 79.943001] mount_fs+0x92/0x2a0 [ 79.947529] hfsplus: unable to parse mount options [ 79.950487] vfs_kern_mount.part.0+0x5b/0x470 [ 79.950499] do_mount+0xe53/0x2a00 [ 79.950511] ? retint_kernel+0x2d/0x2d [ 79.950520] ? copy_mount_string+0x40/0x40 [ 79.950531] ? copy_mount_options+0x194/0x2f0 [ 79.985946] hfsplus: unable to find HFS+ superblock [ 79.986827] ? copy_mount_options+0x1fa/0x2f0 [ 79.996297] ? copy_mnt_ns+0xa30/0xa30 [ 80.000174] SyS_mount+0xa8/0x120 [ 80.003643] ? copy_mnt_ns+0xa30/0xa30 [ 80.007539] do_syscall_64+0x1d5/0x640 [ 80.011447] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 80.016638] RIP: 0033:0x44844a [ 80.019833] RSP: 002b:00007ffc71f659e8 EFLAGS: 00000287 ORIG_RAX: 00000000000000a5 [ 80.027535] RAX: ffffffffffffffda RBX: 00007ffc71f65a30 RCX: 000000000044844a [ 80.034800] RDX: 0000000020000000 RSI: 0000000020000040 RDI: 00007ffc71f65a30 [ 80.042060] RBP: 0000000000000000 R08: 00007ffc71f65a70 R09: 0000000000000000 [ 80.049320] R10: 0000000000000000 R11: 0000000000000287 R12: 0000000000000007 [ 80.056566] R13: 00007ffc71f65a70 R14: 0000000000000006 R15: 0000000000000000 [ 80.064509] ------------[ cut here ]------------ [ 80.069380] WARNING: CPU: 1 PID: 6442 at fs/super.c:1163 kill_block_super+0xbe/0xe0 [ 80.082287] Kernel panic - not syncing: panic_on_warn set ... [ 80.082287] [ 80.089644] CPU: 1 PID: 6442 Comm: syz-executor155 Not tainted 4.14.194-syzkaller #0 [ 80.097514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.106862] Call Trace: [ 80.109449] dump_stack+0x1b2/0x283 [ 80.113079] panic+0x1f9/0x42d [ 80.116322] ? add_taint.cold+0x16/0x16 [ 80.120363] ? kill_block_super+0xbe/0xe0 [ 80.124636] ? kill_block_super+0xbe/0xe0 [ 80.128776] __warn.cold+0x20/0x4b [ 80.132308] ? ist_end_non_atomic+0x10/0x10 [ 80.136652] ? kill_block_super+0xbe/0xe0 [ 80.140809] report_bug+0x208/0x249 [ 80.144449] do_error_trap+0x195/0x2d0 [ 80.148320] ? math_error+0x2d0/0x2d0 [ 80.152101] ? retint_kernel+0x2d/0x2d [ 80.155969] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 80.160791] invalid_op+0x1b/0x40 [ 80.164228] RIP: 0010:kill_block_super+0xbe/0xe0 [ 80.169335] RSP: 0018:ffff888095c4fbc8 EFLAGS: 00010297 [ 80.174674] RAX: ffff8880952a4400 RBX: 0000000000000000 RCX: 1ffff11012a54996 [ 80.181941] RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff8880a6973af0 [ 80.190141] RBP: ffff888094df4180 R08: ffffffff8a07bb90 R09: 0000000000000001 [ 80.197408] R10: 0000000000000000 R11: ffff8880952a4400 R12: ffff8880a6973640 [ 80.204795] R13: ffffffff87eb8310 R14: ffffffff87d536a0 R15: dffffc0000000000 [ 80.212063] ? kill_block_super+0xbe/0xe0 [ 80.216226] deactivate_locked_super+0x6c/0xd0 [ 80.220784] sget_userns+0x9c4/0xc10 [ 80.224473] ? set_bdev_super+0x110/0x110 [ 80.228598] ? ns_test_super+0x50/0x50 [ 80.232462] ? set_bdev_super+0x110/0x110 [ 80.236585] ? ns_test_super+0x50/0x50 [ 80.240466] sget+0xd1/0x110 [ 80.243463] mount_bdev+0xcd/0x360 [ 80.246987] ? hfsplus_iget+0x700/0x700 [ 80.250962] mount_fs+0x92/0x2a0 [ 80.254355] vfs_kern_mount.part.0+0x5b/0x470 [ 80.258833] do_mount+0xe53/0x2a00 [ 80.262355] ? retint_kernel+0x2d/0x2d [ 80.266219] ? copy_mount_string+0x40/0x40 [ 80.270430] ? copy_mount_options+0x194/0x2f0 [ 80.274903] ? copy_mount_options+0x1fa/0x2f0 [ 80.279396] ? copy_mnt_ns+0xa30/0xa30 [ 80.283260] SyS_mount+0xa8/0x120 [ 80.286706] ? copy_mnt_ns+0xa30/0xa30 [ 80.290574] do_syscall_64+0x1d5/0x640 [ 80.294443] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 80.299627] RIP: 0033:0x44844a [ 80.302792] RSP: 002b:00007ffc71f659e8 EFLAGS: 00000287 ORIG_RAX: 00000000000000a5 [ 80.310495] RAX: ffffffffffffffda RBX: 00007ffc71f65a30 RCX: 000000000044844a [ 80.317756] RDX: 0000000020000000 RSI: 0000000020000040 RDI: 00007ffc71f65a30 [ 80.325002] RBP: 0000000000000000 R08: 00007ffc71f65a70 R09: 0000000000000000 [ 80.332248] R10: 0000000000000000 R11: 0000000000000287 R12: 0000000000000007 [ 80.339541] R13: 00007ffc71f65a70 R14: 0000000000000006 R15: 0000000000000000 [ 80.347926] Kernel Offset: disabled [ 80.351583] Rebooting in 86400 seconds..