[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.32' (ECDSA) to the list of known hosts. syzkaller login: [ 38.293986] audit: type=1400 audit(1597662729.195:8): avc: denied { execmem } for pid=6358 comm="syz-executor885" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 38.295592] FAULT_INJECTION: forcing a failure. [ 38.295592] name failslab, interval 1, probability 0, space 0, times 1 [ 38.327176] CPU: 1 PID: 6358 Comm: syz-executor885 Not tainted 4.14.193-syzkaller #0 [ 38.335099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.344581] Call Trace: [ 38.347183] dump_stack+0x1b2/0x283 [ 38.350830] should_fail.cold+0x10a/0x154 [ 38.354964] should_failslab+0xd6/0x130 [ 38.358919] kmem_cache_alloc+0x28e/0x3c0 [ 38.363058] getname_flags+0xc8/0x550 [ 38.366850] ? _raw_spin_unlock_irq+0x24/0x80 [ 38.371337] do_sys_open+0x1ce/0x410 [ 38.375034] ? filp_open+0x60/0x60 [ 38.378556] ? do_syscall_64+0x4c/0x640 [ 38.382513] ? do_sys_open+0x410/0x410 [ 38.386411] do_syscall_64+0x1d5/0x640 executing program [ 38.390310] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 38.395481] RIP: 0033:0x4011a0 [ 38.398660] RSP: 002b:00007ffd4a1dd878 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 38.406354] RAX: ffffffffffffffda RBX: 00007ffd4a1dd8a1 RCX: 00000000004011a0 [ 38.413609] RDX: 00007ffd4a1dd8a6 RSI: 0000000000080001 RDI: 00000000004a26c8 [ 38.420880] RBP: 00007ffd4a1dd8a0 R08: 0000000000000000 R09: 0000000000000001 [ 38.428152] R10: 0000000000000032 R11: 0000000000000246 R12: 00000000004a26c8 [ 38.435543] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 38.448099] (syz-executor885,6359,1):ocfs2_parse_options:1498 ERROR: Invalid heartbeat mount options [ 38.458202] (syz-executor885,6359,1):ocfs2_fill_super:1217 ERROR: status = -22 [ 38.466166] FAULT_INJECTION: forcing a failure. [ 38.466166] name failslab, interval 1, probability 0, space 0, times 0 [ 38.477497] CPU: 1 PID: 6359 Comm: syz-executor885 Not tainted 4.14.193-syzkaller #0 [ 38.485384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.494854] Call Trace: [ 38.497430] dump_stack+0x1b2/0x283 [ 38.501052] should_fail.cold+0x10a/0x154 [ 38.505230] should_failslab+0xd6/0x130 [ 38.509205] kmem_cache_alloc+0x28e/0x3c0 [ 38.513355] prepare_creds+0x39/0x490 [ 38.517142] do_coredump+0x2a6/0x29f0 [ 38.520945] ? kasan_slab_free+0x12d/0x1a0 [ 38.525168] ? kasan_slab_free+0xc3/0x1a0 [ 38.529311] ? kmem_cache_free+0x7c/0x2b0 [ 38.533512] ? get_signal+0xbd8/0x1ca0 [ 38.537387] ? do_signal+0x7c/0x1550 [ 38.541086] ? exit_to_usermode_loop+0x160/0x200 [ 38.545838] ? prepare_exit_to_usermode+0x1af/0x210 [ 38.550856] ? retint_user+0x8/0x18 [ 38.554466] ? cn_esc_printf+0x470/0x470 [ 38.558512] ? debug_check_no_obj_freed+0x2c0/0x674 [ 38.563522] ? lock_acquire+0x170/0x3f0 [ 38.567503] ? lock_downgrade+0x740/0x740 [ 38.571654] ? get_signal+0xc26/0x1ca0 [ 38.575543] ? proc_coredump_connector+0x171/0x1c0 [ 38.580469] ? proc_comm_connector+0x1d0/0x1d0 [ 38.585299] ? lock_downgrade+0x740/0x740 [ 38.590041] ? _raw_spin_unlock_irq+0x24/0x80 [ 38.594571] get_signal+0xc9f/0x1ca0 [ 38.598326] do_signal+0x7c/0x1550 [ 38.601860] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 38.606952] ? setup_sigcontext+0x820/0x820 [ 38.611283] ? check_preemption_disabled+0x35/0x240 [ 38.616382] ? force_sig_info+0x297/0x410 [ 38.620520] ? lock_downgrade+0x740/0x740 [ 38.624657] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 38.629753] ? exit_to_usermode_loop+0x41/0x200 [ 38.634420] exit_to_usermode_loop+0x160/0x200 [ 38.639039] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 38.644051] prepare_exit_to_usermode+0x1af/0x210 [ 38.648888] ? general_protection+0x2f/0x50 [ 38.653336] retint_user+0x8/0x18 [ 38.656894] RIP: 0033:0x4002e1 [ 38.660155] RSP: 002b:00007ffd4a1ddd98 EFLAGS: 00010202 [ 38.665512] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000002 [ 38.672880] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000003 [ 38.680347] RBP: 00000000006cc018 R08: 0000000000000002 R09: 0000000000000006 [ 38.687611] R10: 000000000000003f R11: 000000000000000b R12: 00000000004021c0 executing program [ 38.694872] R13: 0000000000402250 R14: 0000000000000000 R15: 0000000000000000 [ 38.708673] FAULT_INJECTION: forcing a failure. [ 38.708673] name failslab, interval 1, probability 0, space 0, times 0 [ 38.720280] CPU: 1 PID: 6361 Comm: syz-executor885 Not tainted 4.14.193-syzkaller #0 [ 38.728663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.738027] Call Trace: [ 38.740623] dump_stack+0x1b2/0x283 [ 38.744258] should_fail.cold+0x10a/0x154 [ 38.748425] should_failslab+0xd6/0x130 [ 38.752423] __kmalloc+0x2c1/0x400 [ 38.755964] ? register_shrinker+0x1ab/0x220 [ 38.760392] register_shrinker+0x1ab/0x220 [ 38.764629] sget_userns+0x9aa/0xc10 [ 38.768332] ? set_bdev_super+0x110/0x110 [ 38.772486] ? ns_test_super+0x50/0x50 [ 38.776901] ? set_bdev_super+0x110/0x110 [ 38.781051] ? ns_test_super+0x50/0x50 [ 38.785640] sget+0xd1/0x110 [ 38.788663] mount_bdev+0xcd/0x360 [ 38.792213] ? ocfs2_initialize_super.isra.0+0x30e0/0x30e0 [ 38.797846] mount_fs+0x92/0x2a0 [ 38.801209] vfs_kern_mount.part.0+0x5b/0x470 [ 38.805703] do_mount+0xe53/0x2a00 [ 38.809255] ? do_raw_spin_unlock+0x164/0x220 [ 38.813775] ? copy_mount_string+0x40/0x40 [ 38.818008] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 38.823021] ? copy_mnt_ns+0xa30/0xa30 [ 38.826907] ? copy_mount_options+0x1fa/0x2f0 [ 38.832098] ? copy_mnt_ns+0xa30/0xa30 [ 38.835979] SyS_mount+0xa8/0x120 [ 38.839432] ? copy_mnt_ns+0xa30/0xa30 [ 38.843330] do_syscall_64+0x1d5/0x640 [ 38.847226] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 38.852412] RIP: 0033:0x4412f9 [ 38.855594] RSP: 002b:00007ffd4a1ddd88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 38.863304] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412f9 [ 38.870611] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 0000000020000040 [ 38.877884] RBP: 0000000000009646 R08: 0000000020000140 R09: 0000000b004002c8 [ 38.885153] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004021c0 [ 38.892440] R13: 0000000000402250 R14: 0000000000000000 R15: 0000000000000000 [ 38.900662] ------------[ cut here ]------------ [ 38.905540] WARNING: CPU: 1 PID: 6361 at fs/super.c:1163 kill_block_super+0xbe/0xe0 [ 38.913346] Kernel panic - not syncing: panic_on_warn set ... [ 38.913346] [ 38.920716] CPU: 1 PID: 6361 Comm: syz-executor885 Not tainted 4.14.193-syzkaller #0 [ 38.928587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.937964] Call Trace: [ 38.940539] dump_stack+0x1b2/0x283 [ 38.944153] panic+0x1f9/0x42d [ 38.947345] ? add_taint.cold+0x16/0x16 [ 38.951323] ? kill_block_super+0xbe/0xe0 [ 38.955463] ? kill_block_super+0xbe/0xe0 [ 38.959617] __warn.cold+0x20/0x4b [ 38.963157] ? ist_end_non_atomic+0x10/0x10 [ 38.967472] ? kill_block_super+0xbe/0xe0 [ 38.971608] report_bug+0x208/0x249 [ 38.975250] do_error_trap+0x195/0x2d0 [ 38.979127] ? math_error+0x2d0/0x2d0 [ 38.982930] ? retint_kernel+0x2d/0x2d [ 38.986839] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 38.991688] invalid_op+0x1b/0x40 [ 38.995128] RIP: 0010:kill_block_super+0xbe/0xe0 [ 38.999865] RSP: 0018:ffff8880974a7bc8 EFLAGS: 00010297 [ 39.005213] RAX: ffff8880979a2640 RBX: 0000000000000000 RCX: 1ffff11012f345de [ 39.012468] RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff8880852df6b0 [ 39.019728] RBP: ffff888096cba080 R08: ffffffff8a09e788 R09: 0000000000000001 [ 39.026986] R10: 0000000000000000 R11: ffff8880979a2640 R12: ffff8880852df200 [ 39.034251] R13: ffffffff88012350 R14: ffffffff87d536a0 R15: dffffc0000000000 [ 39.043888] ? kill_block_super+0xbe/0xe0 [ 39.048024] deactivate_locked_super+0x6c/0xd0 [ 39.052614] sget_userns+0x9c4/0xc10 [ 39.056325] ? set_bdev_super+0x110/0x110 [ 39.060464] ? ns_test_super+0x50/0x50 [ 39.064335] ? set_bdev_super+0x110/0x110 [ 39.068513] ? ns_test_super+0x50/0x50 [ 39.072403] sget+0xd1/0x110 [ 39.075418] mount_bdev+0xcd/0x360 [ 39.078972] ? ocfs2_initialize_super.isra.0+0x30e0/0x30e0 [ 39.084646] mount_fs+0x92/0x2a0 [ 39.088004] vfs_kern_mount.part.0+0x5b/0x470 [ 39.092484] do_mount+0xe53/0x2a00 [ 39.096008] ? do_raw_spin_unlock+0x164/0x220 [ 39.100486] ? copy_mount_string+0x40/0x40 [ 39.104737] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 39.109750] ? copy_mnt_ns+0xa30/0xa30 [ 39.113625] ? copy_mount_options+0x1fa/0x2f0 [ 39.118110] ? copy_mnt_ns+0xa30/0xa30 [ 39.121994] SyS_mount+0xa8/0x120 [ 39.125459] ? copy_mnt_ns+0xa30/0xa30 [ 39.129330] do_syscall_64+0x1d5/0x640 [ 39.133219] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 39.138400] RIP: 0033:0x4412f9 [ 39.141583] RSP: 002b:00007ffd4a1ddd88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 39.149288] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412f9 [ 39.156580] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 0000000020000040 [ 39.163848] RBP: 0000000000009646 R08: 0000000020000140 R09: 0000000b004002c8 [ 39.171118] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004021c0 [ 39.178379] R13: 0000000000402250 R14: 0000000000000000 R15: 0000000000000000 [ 39.186947] Kernel Offset: disabled [ 39.190922] Rebooting in 86400 seconds..