[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.107' (ECDSA) to the list of known hosts. syzkaller login: [ 139.339720] FAULT_INJECTION: forcing a failure. [ 139.339720] name failslab, interval 1, probability 0, space 0, times 1 [ 139.351326] CPU: 0 PID: 7970 Comm: syz-executor175 Not tainted 4.14.231-syzkaller #0 [ 139.359411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 139.368972] Call Trace: [ 139.371583] dump_stack+0x1b2/0x281 [ 139.375234] should_fail.cold+0x10a/0x149 [ 139.379400] should_failslab+0xd6/0x130 [ 139.383842] kmem_cache_alloc+0x28e/0x3c0 [ 139.388259] copy_process.part.0+0x4ad1/0x71c0 [ 139.393320] ? __cleanup_sighand+0x40/0x40 [ 139.397559] ? lock_acquire+0x170/0x3f0 [ 139.401582] _do_fork+0x184/0xc80 [ 139.408150] ? fork_idle+0x270/0x270 [ 139.411864] ? _raw_spin_unlock_irq+0x5a/0x80 [ 139.416469] ? task_work_run+0xfd/0x190 [ 139.420442] ? do_syscall_64+0x4c/0x640 [ 139.424691] ? sys_vfork+0x20/0x20 [ 139.428351] do_syscall_64+0x1d5/0x640 [ 139.432242] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 139.437619] RIP: 0033:0x443a0b [ 139.440802] RSP: 002b:00007ffc74ef3250 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 139.448803] RAX: ffffffffffffffda RBX: 00000000004b0098 RCX: 0000000000443a0b [ 139.456269] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 139.463534] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000001a62300 [ 139.470891] R10: 0000000001a625d0 R11: 0000000000000246 R12: 0000000000000000 [ 139.478829] R13: 585858582e72656c R14: 00000000004b3018 R15: 00000000004004a0 executing program [ 139.508979] IPVS: ftp: loaded support on port[0] = 21 [ 139.544311] IPVS: ftp: loaded support on port[0] = 21 [ 139.547406] FAULT_INJECTION: forcing a failure. [ 139.547406] name failslab, interval 1, probability 0, space 0, times 0 [ 139.562284] CPU: 1 PID: 8001 Comm: syz-executor175 Not tainted 4.14.231-syzkaller #0 [ 139.570218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 139.579588] Call Trace: [ 139.584795] dump_stack+0x1b2/0x281 [ 139.588807] should_fail.cold+0x10a/0x149 [ 139.593063] should_failslab+0xd6/0x130 [ 139.597058] kmem_cache_alloc+0x28e/0x3c0 [ 139.601197] alloc_buffer_head+0x20/0x110 [ 139.605441] alloc_page_buffers+0xb3/0x1f0 [ 139.609688] __getblk_slow+0x2d6/0x7a0 [ 139.614090] __bread_gfp+0x206/0x2e0 [ 139.617797] efs_fill_super+0x12d/0xac0 [ 139.621769] mount_bdev+0x2b3/0x360 [ 139.625397] ? efs_alloc_inode+0x40/0x40 [ 139.629478] mount_fs+0x92/0x2a0 [ 139.632844] vfs_kern_mount.part.0+0x5b/0x470 [ 139.637355] do_mount+0xe53/0x2a00 [ 139.640940] ? do_raw_spin_unlock+0x164/0x220 [ 139.645521] ? copy_mount_string+0x40/0x40 [ 139.649760] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 139.654788] ? copy_mnt_ns+0xa30/0xa30 [ 139.658680] ? copy_mount_options+0x1fa/0x2f0 [ 139.663257] ? copy_mnt_ns+0xa30/0xa30 [ 139.667147] SyS_mount+0xa8/0x120 [ 139.670728] ? copy_mnt_ns+0xa30/0xa30 [ 139.674627] do_syscall_64+0x1d5/0x640 [ 139.679520] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 139.686055] RIP: 0033:0x4465ba [ 139.689335] RSP: 002b:00007ffc74ef3078 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 139.697950] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004465ba [ 139.705799] RDX: 0000000020000140 RSI: 0000000020000180 RDI: 00007ffc74ef30c0 [ 139.713888] RBP: 0000000000000005 R08: 00007ffc74ef3100 R09: 00007ffc74ef30c0 [ 139.721244] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000001a622c0 [ 139.728505] R13: 00007ffc74ef3100 R14: 0000000000000001 R15: 0000000000000006 [ 139.746859] efs: cannot read superblock executing program executing program [ 139.778677] IPVS: ftp: loaded support on port[0] = 21 [ 139.803794] FAULT_INJECTION: forcing a failure. [ 139.803794] name failslab, interval 1, probability 0, space 0, times 0 [ 139.820274] FAULT_INJECTION: forcing a failure. [ 139.820274] name failslab, interval 1, probability 0, space 0, times 0 [ 139.833544] CPU: 1 PID: 8031 Comm: syz-executor175 Not tainted 4.14.231-syzkaller #0 [ 139.841448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 139.850809] Call Trace: [ 139.853404] dump_stack+0x1b2/0x281 [ 139.857034] should_fail.cold+0x10a/0x149 [ 139.861199] should_failslab+0xd6/0x130 [ 139.865503] kmem_cache_alloc+0x28e/0x3c0 [ 139.869932] alloc_buffer_head+0x20/0x110 [ 139.874087] alloc_page_buffers+0xb3/0x1f0 [ 139.878331] __getblk_slow+0x2d6/0x7a0 [ 139.882331] __bread_gfp+0x206/0x2e0 [ 139.886051] efs_fill_super+0x12d/0xac0 [ 139.890038] mount_bdev+0x2b3/0x360 [ 139.893668] ? efs_alloc_inode+0x40/0x40 [ 139.897816] mount_fs+0x92/0x2a0 [ 139.901189] vfs_kern_mount.part.0+0x5b/0x470 [ 139.905693] do_mount+0xe53/0x2a00 [ 139.909237] ? retint_kernel+0x2d/0x2d [ 139.913132] ? copy_mount_string+0x40/0x40 [ 139.917390] ? copy_mount_options+0x197/0x2f0 [ 139.922080] ? copy_mount_options+0x1fa/0x2f0 [ 139.926578] ? copy_mnt_ns+0xa30/0xa30 [ 139.930465] SyS_mount+0xa8/0x120 [ 139.933942] ? copy_mnt_ns+0xa30/0xa30 [ 139.937831] do_syscall_64+0x1d5/0x640 [ 139.941723] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 139.946916] RIP: 0033:0x4465ba [ 139.950108] RSP: 002b:00007ffc74ef3078 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 139.957816] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004465ba [ 139.966310] RDX: 0000000020000140 RSI: 0000000020000180 RDI: 00007ffc74ef30c0 [ 139.973840] RBP: 0000000000000005 R08: 00007ffc74ef3100 R09: 00007ffc74ef30c0 [ 139.981110] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000001a622c0 [ 139.988393] R13: 00007ffc74ef3100 R14: 0000000000000001 R15: 0000000000000006 [ 139.995683] CPU: 0 PID: 8026 Comm: syz-executor175 Not tainted 4.14.231-syzkaller #0 [ 140.003667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.013055] Call Trace: [ 140.015767] dump_stack+0x1b2/0x281 [ 140.018581] efs: cannot read superblock [ 140.019393] should_fail.cold+0x10a/0x149 [ 140.019415] should_failslab+0xd6/0x130 [ 140.031582] kmem_cache_alloc+0x28e/0x3c0 [ 140.035735] alloc_buffer_head+0x20/0x110 [ 140.039883] alloc_page_buffers+0xb3/0x1f0 [ 140.044116] __getblk_slow+0x2d6/0x7a0 [ 140.048279] __bread_gfp+0x206/0x2e0 [ 140.052039] efs_fill_super+0x12d/0xac0 [ 140.056013] mount_bdev+0x2b3/0x360 [ 140.059690] ? efs_alloc_inode+0x40/0x40 [ 140.063747] mount_fs+0x92/0x2a0 [ 140.067132] vfs_kern_mount.part.0+0x5b/0x470 [ 140.071634] do_mount+0xe53/0x2a00 [ 140.075173] ? copy_mount_string+0x40/0x40 [ 140.079412] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 140.084426] ? copy_mnt_ns+0xa30/0xa30 [ 140.088311] ? copy_mount_options+0x1fa/0x2f0 [ 140.092794] ? copy_mnt_ns+0xa30/0xa30 [ 140.096680] SyS_mount+0xa8/0x120 [ 140.100122] ? copy_mnt_ns+0xa30/0xa30 [ 140.104015] do_syscall_64+0x1d5/0x640 [ 140.107918] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 140.113108] RIP: 0033:0x4465ba [ 140.116290] RSP: 002b:00007ffc74ef3078 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 140.123988] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004465ba [ 140.131254] RDX: 0000000020000140 RSI: 0000000020000180 RDI: 00007ffc74ef30c0 [ 140.138523] RBP: 0000000000000005 R08: 00007ffc74ef3100 R09: 00007ffc74ef30c0 [ 140.145805] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000001a622c0 executing program executing program executing program [ 140.153068] R13: 00007ffc74ef3100 R14: 0000000000000001 R15: 0000000000000006 [ 140.180829] efs: cannot read superblock [ 140.199164] IPVS: ftp: loaded support on port[0] = 21 [ 140.230313] FAULT_INJECTION: forcing a failure. [ 140.230313] name failslab, interval 1, probability 0, space 0, times 0 [ 140.247640] FAULT_INJECTION: forcing a failure. [ 140.247640] name failslab, interval 1, probability 0, space 0, times 0 [ 140.264805] CPU: 1 PID: 8062 Comm: syz-executor175 Not tainted 4.14.231-syzkaller #0 [ 140.272743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.282114] Call Trace: [ 140.284718] dump_stack+0x1b2/0x281 [ 140.284827] FAULT_INJECTION: forcing a failure. [ 140.284827] name failslab, interval 1, probability 0, space 0, times 0 [ 140.288355] should_fail.cold+0x10a/0x149 [ 140.288369] should_failslab+0xd6/0x130 [ 140.307842] kmem_cache_alloc+0x28e/0x3c0 [ 140.312314] alloc_buffer_head+0x20/0x110 [ 140.316482] alloc_page_buffers+0xb3/0x1f0 [ 140.320832] __getblk_slow+0x2d6/0x7a0 [ 140.325008] __bread_gfp+0x206/0x2e0 [ 140.328775] efs_fill_super+0x12d/0xac0 [ 140.332796] mount_bdev+0x2b3/0x360 [ 140.336433] ? efs_alloc_inode+0x40/0x40 [ 140.340507] mount_fs+0x92/0x2a0 [ 140.343904] vfs_kern_mount.part.0+0x5b/0x470 [ 140.348413] do_mount+0xe53/0x2a00 [ 140.351980] ? do_raw_spin_unlock+0x164/0x220 [ 140.356497] ? copy_mount_string+0x40/0x40 [ 140.360745] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 140.365778] ? copy_mnt_ns+0xa30/0xa30 [ 140.369675] ? copy_mount_options+0x1fa/0x2f0 [ 140.374180] ? copy_mnt_ns+0xa30/0xa30 [ 140.378075] SyS_mount+0xa8/0x120 [ 140.381536] ? copy_mnt_ns+0xa30/0xa30 [ 140.385437] do_syscall_64+0x1d5/0x640 [ 140.389619] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 140.394810] RIP: 0033:0x4465ba [ 140.398027] RSP: 002b:00007ffc74ef3078 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 140.405737] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004465ba [ 140.413025] RDX: 0000000020000140 RSI: 0000000020000180 RDI: 00007ffc74ef30c0 [ 140.420298] RBP: 0000000000000005 R08: 00007ffc74ef3100 R09: 00007ffc74ef30c0 [ 140.427571] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000001a622c0 [ 140.434855] R13: 00007ffc74ef3100 R14: 0000000000000001 R15: 0000000000000006 [ 140.442142] CPU: 0 PID: 8064 Comm: syz-executor175 Not tainted 4.14.231-syzkaller #0 [ 140.450129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.459510] Call Trace: [ 140.462978] dump_stack+0x1b2/0x281 [ 140.466620] should_fail.cold+0x10a/0x149 [ 140.470777] should_failslab+0xd6/0x130 [ 140.474758] __kmalloc+0x2c1/0x400 [ 140.478300] ? register_shrinker+0x1ab/0x220 [ 140.482710] register_shrinker+0x1ab/0x220 [ 140.486956] sget_userns+0x9aa/0xc10 [ 140.490678] ? set_bdev_super+0x110/0x110 [ 140.494836] ? ns_test_super+0x50/0x50 [ 140.498749] ? set_bdev_super+0x110/0x110 [ 140.502898] ? ns_test_super+0x50/0x50 [ 140.506809] sget+0xd1/0x110 [ 140.509855] mount_bdev+0xcd/0x360 [ 140.513498] ? efs_alloc_inode+0x40/0x40 [ 140.517650] mount_fs+0x92/0x2a0 [ 140.521034] vfs_kern_mount.part.0+0x5b/0x470 [ 140.525538] do_mount+0xe53/0x2a00 [ 140.529099] ? do_raw_spin_unlock+0x164/0x220 [ 140.533621] ? copy_mount_string+0x40/0x40 [ 140.537951] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 140.542971] ? copy_mnt_ns+0xa30/0xa30 [ 140.546874] ? copy_mount_options+0x1fa/0x2f0 [ 140.551379] ? copy_mnt_ns+0xa30/0xa30 [ 140.555286] SyS_mount+0xa8/0x120 [ 140.558755] ? copy_mnt_ns+0xa30/0xa30 [ 140.562657] do_syscall_64+0x1d5/0x640 [ 140.566576] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 140.571774] RIP: 0033:0x4465ba [ 140.574964] RSP: 002b:00007ffc74ef3078 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 140.582673] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004465ba [ 140.590148] RDX: 0000000020000140 RSI: 0000000020000180 RDI: 00007ffc74ef30c0 [ 140.597441] RBP: 0000000000000005 R08: 00007ffc74ef3100 R09: 00007ffc74ef30c0 [ 140.604717] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000001a622c0 [ 140.612011] R13: 00007ffc74ef3100 R14: 0000000000000001 R15: 0000000000000006 [ 140.619301] CPU: 1 PID: 8057 Comm: syz-executor175 Not tainted 4.14.231-syzkaller #0 [ 140.627211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.636576] Call Trace: [ 140.639180] dump_stack+0x1b2/0x281 [ 140.642819] should_fail.cold+0x10a/0x149 [ 140.646983] should_failslab+0xd6/0x130 [ 140.650971] kmem_cache_alloc+0x28e/0x3c0 [ 140.652308] ------------[ cut here ]------------ [ 140.655134] alloc_buffer_head+0x20/0x110 [ 140.655145] alloc_page_buffers+0xb3/0x1f0 [ 140.660060] WARNING: CPU: 0 PID: 8064 at fs/super.c:1163 kill_block_super+0xbe/0xe0 [ 140.664224] __getblk_slow+0x2d6/0x7a0 [ 140.668544] Kernel panic - not syncing: panic_on_warn set ... [ 140.668544] [ 140.676364] __bread_gfp+0x206/0x2e0 [ 140.692268] efs_fill_super+0x12d/0xac0 [ 140.697063] mount_bdev+0x2b3/0x360 [ 140.700769] ? efs_alloc_inode+0x40/0x40 [ 140.704841] mount_fs+0x92/0x2a0 [ 140.708300] vfs_kern_mount.part.0+0x5b/0x470 [ 140.713969] do_mount+0xe53/0x2a00 [ 140.717521] ? do_raw_spin_unlock+0x164/0x220 [ 140.722032] ? copy_mount_string+0x40/0x40 [ 140.726297] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 140.731323] ? copy_mnt_ns+0xa30/0xa30 [ 140.735224] ? copy_mount_options+0x1fa/0x2f0 [ 140.739729] ? copy_mnt_ns+0xa30/0xa30 [ 140.743638] SyS_mount+0xa8/0x120 [ 140.747098] ? copy_mnt_ns+0xa30/0xa30 [ 140.750992] do_syscall_64+0x1d5/0x640 [ 140.754889] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 140.760083] RIP: 0033:0x4465ba [ 140.763267] RSP: 002b:00007ffc74ef3078 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 140.771164] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004465ba [ 140.778444] RDX: 0000000020000140 RSI: 0000000020000180 RDI: 00007ffc74ef30c0 [ 140.785979] RBP: 0000000000000005 R08: 00007ffc74ef3100 R09: 00007ffc74ef30c0 [ 140.793251] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000001a622c0 [ 140.800525] R13: 00007ffc74ef3100 R14: 0000000000000001 R15: 0000000000000006 [ 140.807820] CPU: 0 PID: 8064 Comm: syz-executor175 Not tainted 4.14.231-syzkaller #0 [ 140.812363] efs: cannot read superblock [ 140.815719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.815724] Call Trace: [ 140.815742] dump_stack+0x1b2/0x281 [ 140.815752] panic+0x1f9/0x42d [ 140.815758] ? add_taint.cold+0x16/0x16 [ 140.815770] ? kill_block_super+0xbe/0xe0 [ 140.815780] ? kill_block_super+0xbe/0xe0 [ 140.815786] __warn.cold+0x20/0x44 [ 140.815795] ? ist_end_non_atomic+0x10/0x10 [ 140.815801] ? kill_block_super+0xbe/0xe0 [ 140.815809] report_bug+0x208/0x250 [ 140.815819] do_error_trap+0x195/0x2d0 [ 140.815826] ? math_error+0x2d0/0x2d0 [ 140.815838] ? retint_kernel+0x2d/0x2d [ 140.827900] efs: cannot read superblock [ 140.829334] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 140.829351] invalid_op+0x1b/0x40 [ 140.891007] RIP: 0010:kill_block_super+0xbe/0xe0 [ 140.895753] RSP: 0018:ffff8880959c7bb0 EFLAGS: 00010297 [ 140.901185] RAX: ffff8880b06ec1c0 RBX: 0000000000000000 RCX: 1ffff110160dd94e [ 140.909116] RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff8880b1fb5cb0 [ 140.916511] RBP: ffff888094cac080 R08: ffffffff8b9a72c0 R09: 0000000000000001 [ 140.923795] R10: 0000000000000000 R11: ffff8880b06ec1c0 R12: ffff8880b1fb5800 [ 140.931175] R13: ffffffff891ba2d0 R14: ffffffff88f44f40 R15: dffffc0000000000 [ 140.938490] efs_kill_sb+0x38/0x50 [ 140.942037] deactivate_locked_super+0x6c/0xd0 [ 140.946873] sget_userns+0x9c4/0xc10 [ 140.950730] ? set_bdev_super+0x110/0x110 [ 140.955017] ? ns_test_super+0x50/0x50 [ 140.958943] ? set_bdev_super+0x110/0x110 [ 140.963094] ? ns_test_super+0x50/0x50 [ 140.966984] sget+0xd1/0x110 [ 140.970030] mount_bdev+0xcd/0x360 [ 140.973796] ? efs_alloc_inode+0x40/0x40 [ 140.977859] mount_fs+0x92/0x2a0 [ 140.981229] vfs_kern_mount.part.0+0x5b/0x470 [ 140.985722] do_mount+0xe53/0x2a00 [ 140.989277] ? do_raw_spin_unlock+0x164/0x220 [ 140.993792] ? copy_mount_string+0x40/0x40 [ 140.998025] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 141.003039] ? copy_mnt_ns+0xa30/0xa30 [ 141.007038] ? copy_mount_options+0x1fa/0x2f0 [ 141.011534] ? copy_mnt_ns+0xa30/0xa30 [ 141.015444] SyS_mount+0xa8/0x120 [ 141.018918] ? copy_mnt_ns+0xa30/0xa30 [ 141.022803] do_syscall_64+0x1d5/0x640 [ 141.026699] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 141.031883] RIP: 0033:0x4465ba [ 141.035081] RSP: 002b:00007ffc74ef3078 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 141.042780] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004465ba [ 141.050136] RDX: 0000000020000140 RSI: 0000000020000180 RDI: 00007ffc74ef30c0 [ 141.057446] RBP: 0000000000000005 R08: 00007ffc74ef3100 R09: 00007ffc74ef30c0 [ 141.064712] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000001a622c0 [ 141.075018] R13: 00007ffc74ef3100 R14: 0000000000000001 R15: 0000000000000006 [ 141.083134] Kernel Offset: disabled [ 141.086956] Rebooting in 86400 seconds..