Warning: Permanently added '10.128.0.173' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 41.868200] audit: type=1400 audit(1598261798.058:8): avc: denied { execmem } for pid=6351 comm="syz-executor287" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 41.873239] FAULT_INJECTION: forcing a failure. [ 41.873239] name failslab, interval 1, probability 0, space 0, times 1 [ 41.900167] CPU: 0 PID: 6352 Comm: syz-executor287 Not tainted 4.14.194-syzkaller #0 [ 41.908037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.917365] Call Trace: [ 41.919929] dump_stack+0x1b2/0x283 [ 41.923577] should_fail.cold+0x10a/0x154 [ 41.927700] should_failslab+0xd6/0x130 [ 41.931657] kmem_cache_alloc_trace+0x29a/0x3d0 [ 41.936316] selinux_sb_alloc_security+0x41/0x210 [ 41.941144] security_sb_alloc+0x66/0xa0 [ 41.945179] ? set_bdev_super+0x110/0x110 [ 41.949298] sget_userns+0x194/0xc10 [ 41.952991] ? set_bdev_super+0x110/0x110 [ 41.957161] ? ns_test_super+0x50/0x50 [ 41.961021] ? set_bdev_super+0x110/0x110 [ 41.965138] ? ns_test_super+0x50/0x50 [ 41.968995] sget+0xd1/0x110 [ 41.971988] mount_bdev+0xcd/0x360 [ 41.975499] ? minix_iget+0xe70/0xe70 [ 41.979271] mount_fs+0x92/0x2a0 [ 41.982611] vfs_kern_mount.part.0+0x5b/0x470 [ 41.987091] do_mount+0xe53/0x2a00 [ 41.990604] ? lock_acquire+0x170/0x3f0 [ 41.994551] ? lock_downgrade+0x740/0x740 [ 41.998672] ? copy_mount_string+0x40/0x40 [ 42.002878] ? __might_fault+0x177/0x1b0 [ 42.006945] ? _copy_from_user+0x96/0x100 [ 42.011065] ? copy_mount_options+0x1fa/0x2f0 [ 42.015529] ? copy_mnt_ns+0xa30/0xa30 [ 42.019390] SyS_mount+0xa8/0x120 [ 42.022814] ? copy_mnt_ns+0xa30/0xa30 [ 42.026686] do_syscall_64+0x1d5/0x640 [ 42.030559] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 42.035726] RIP: 0033:0x441289 [ 42.038904] RSP: 002b:00007ffc0a9f2c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 42.046585] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441289 [ 42.053828] RDX: 00000000200000c0 RSI: 0000000020000080 RDI: 0000000020000000 [ 42.061071] RBP: 00007ffc0a9f2c80 R08: 0000000000000000 R09: 0000000000000000 executing program [ 42.068317] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 42.075571] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 42.088485] FAULT_INJECTION: forcing a failure. [ 42.088485] name failslab, interval 1, probability 0, space 0, times 0 [ 42.099730] CPU: 0 PID: 6353 Comm: syz-executor287 Not tainted 4.14.194-syzkaller #0 [ 42.107588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.116915] Call Trace: [ 42.119478] dump_stack+0x1b2/0x283 [ 42.123082] should_fail.cold+0x10a/0x154 [ 42.127206] should_failslab+0xd6/0x130 [ 42.131153] kmem_cache_alloc_trace+0x29a/0x3d0 [ 42.135797] selinux_sb_alloc_security+0x41/0x210 [ 42.140612] security_sb_alloc+0x66/0xa0 [ 42.144648] ? set_bdev_super+0x110/0x110 [ 42.148870] sget_userns+0x194/0xc10 [ 42.152554] ? set_bdev_super+0x110/0x110 [ 42.156691] ? ns_test_super+0x50/0x50 [ 42.160554] ? set_bdev_super+0x110/0x110 [ 42.164679] ? ns_test_super+0x50/0x50 [ 42.168538] sget+0xd1/0x110 [ 42.171535] mount_bdev+0xcd/0x360 [ 42.175048] ? minix_iget+0xe70/0xe70 [ 42.178821] mount_fs+0x92/0x2a0 [ 42.182162] vfs_kern_mount.part.0+0x5b/0x470 [ 42.186632] do_mount+0xe53/0x2a00 [ 42.190148] ? lock_acquire+0x170/0x3f0 [ 42.194107] ? lock_downgrade+0x740/0x740 [ 42.198228] ? copy_mount_string+0x40/0x40 [ 42.202436] ? __might_fault+0x177/0x1b0 [ 42.206471] ? _copy_from_user+0x96/0x100 [ 42.210602] ? copy_mount_options+0x1fa/0x2f0 [ 42.215077] ? copy_mnt_ns+0xa30/0xa30 [ 42.218938] SyS_mount+0xa8/0x120 [ 42.222367] ? copy_mnt_ns+0xa30/0xa30 [ 42.226233] do_syscall_64+0x1d5/0x640 [ 42.230103] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 42.235266] RIP: 0033:0x441289 [ 42.238430] RSP: 002b:00007ffc0a9f2c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 42.246111] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441289 [ 42.253370] RDX: 00000000200000c0 RSI: 0000000020000080 RDI: 0000000020000000 [ 42.260616] RBP: 00007ffc0a9f2c80 R08: 0000000000000000 R09: 0000000000000000 executing program [ 42.267859] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 42.275103] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 42.287458] FAULT_INJECTION: forcing a failure. [ 42.287458] name failslab, interval 1, probability 0, space 0, times 0 [ 42.298855] CPU: 0 PID: 6354 Comm: syz-executor287 Not tainted 4.14.194-syzkaller #0 [ 42.306719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.316060] Call Trace: [ 42.318626] dump_stack+0x1b2/0x283 [ 42.322230] should_fail.cold+0x10a/0x154 [ 42.326352] should_failslab+0xd6/0x130 [ 42.330298] __kmalloc+0x2c1/0x400 [ 42.333817] ? __list_lru_init+0x67/0x710 [ 42.337946] __list_lru_init+0x67/0x710 [ 42.341901] sget_userns+0x4e4/0xc10 [ 42.345586] ? set_bdev_super+0x110/0x110 [ 42.349709] ? ns_test_super+0x50/0x50 [ 42.353569] ? set_bdev_super+0x110/0x110 [ 42.357690] ? ns_test_super+0x50/0x50 [ 42.361563] sget+0xd1/0x110 [ 42.364582] mount_bdev+0xcd/0x360 [ 42.368094] ? minix_iget+0xe70/0xe70 [ 42.371869] mount_fs+0x92/0x2a0 [ 42.375212] vfs_kern_mount.part.0+0x5b/0x470 [ 42.379682] do_mount+0xe53/0x2a00 [ 42.383198] ? lock_acquire+0x170/0x3f0 [ 42.387144] ? lock_downgrade+0x740/0x740 [ 42.391296] ? copy_mount_string+0x40/0x40 [ 42.395519] ? __might_fault+0x177/0x1b0 [ 42.399556] ? _copy_from_user+0x96/0x100 [ 42.403676] ? copy_mount_options+0x1fa/0x2f0 [ 42.408158] ? copy_mnt_ns+0xa30/0xa30 [ 42.412020] SyS_mount+0xa8/0x120 [ 42.415443] ? copy_mnt_ns+0xa30/0xa30 [ 42.419306] do_syscall_64+0x1d5/0x640 [ 42.423172] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 42.428333] RIP: 0033:0x441289 [ 42.431496] RSP: 002b:00007ffc0a9f2c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 42.439177] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441289 [ 42.446420] RDX: 00000000200000c0 RSI: 0000000020000080 RDI: 0000000020000000 [ 42.453677] RBP: 00007ffc0a9f2c80 R08: 0000000000000000 R09: 0000000000000000 [ 42.460920] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff executing program [ 42.468176] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 42.480183] FAULT_INJECTION: forcing a failure. [ 42.480183] name failslab, interval 1, probability 0, space 0, times 0 [ 42.491540] CPU: 0 PID: 6355 Comm: syz-executor287 Not tainted 4.14.194-syzkaller #0 [ 42.499396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.508723] Call Trace: [ 42.511325] dump_stack+0x1b2/0x283 [ 42.514929] should_fail.cold+0x10a/0x154 [ 42.519059] should_failslab+0xd6/0x130 [ 42.523005] __kmalloc+0x2c1/0x400 [ 42.526534] ? __list_lru_init+0x67/0x710 [ 42.530664] __list_lru_init+0x67/0x710 [ 42.534616] sget_userns+0x4e4/0xc10 [ 42.538318] ? set_bdev_super+0x110/0x110 [ 42.542441] ? ns_test_super+0x50/0x50 [ 42.546300] ? set_bdev_super+0x110/0x110 [ 42.550420] ? ns_test_super+0x50/0x50 [ 42.554277] sget+0xd1/0x110 [ 42.557270] mount_bdev+0xcd/0x360 [ 42.560783] ? minix_iget+0xe70/0xe70 [ 42.564557] mount_fs+0x92/0x2a0 [ 42.567903] vfs_kern_mount.part.0+0x5b/0x470 [ 42.572373] do_mount+0xe53/0x2a00 [ 42.575886] ? lock_acquire+0x170/0x3f0 [ 42.579831] ? lock_downgrade+0x740/0x740 [ 42.583955] ? copy_mount_string+0x40/0x40 [ 42.588164] ? __might_fault+0x177/0x1b0 [ 42.592199] ? _copy_from_user+0x96/0x100 [ 42.596321] ? copy_mount_options+0x1fa/0x2f0 [ 42.600787] ? copy_mnt_ns+0xa30/0xa30 [ 42.604649] SyS_mount+0xa8/0x120 [ 42.608075] ? copy_mnt_ns+0xa30/0xa30 [ 42.611945] do_syscall_64+0x1d5/0x640 [ 42.615824] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 42.620987] RIP: 0033:0x441289 [ 42.624156] RSP: 002b:00007ffc0a9f2c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 42.631840] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441289 [ 42.639083] RDX: 00000000200000c0 RSI: 0000000020000080 RDI: 0000000020000000 [ 42.646325] RBP: 00007ffc0a9f2c80 R08: 0000000000000000 R09: 0000000000000000 [ 42.653570] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 42.660813] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 42.672835] FAULT_INJECTION: forcing a failure. [ 42.672835] name failslab, interval 1, probability 0, space 0, times 0 [ 42.684174] CPU: 0 PID: 6356 Comm: syz-executor287 Not tainted 4.14.194-syzkaller #0 [ 42.692031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.701359] Call Trace: [ 42.703920] dump_stack+0x1b2/0x283 [ 42.707527] should_fail.cold+0x10a/0x154 [ 42.711656] should_failslab+0xd6/0x130 [ 42.715608] __kmalloc+0x2c1/0x400 [ 42.719129] ? __list_lru_init+0x67/0x710 [ 42.723255] __list_lru_init+0x67/0x710 [ 42.727218] sget_userns+0x504/0xc10 [ 42.730903] ? set_bdev_super+0x110/0x110 [ 42.735022] ? ns_test_super+0x50/0x50 [ 42.738881] ? set_bdev_super+0x110/0x110 [ 42.742999] ? ns_test_super+0x50/0x50 [ 42.746857] sget+0xd1/0x110 [ 42.749851] mount_bdev+0xcd/0x360 [ 42.753364] ? minix_iget+0xe70/0xe70 [ 42.757137] mount_fs+0x92/0x2a0 [ 42.760479] vfs_kern_mount.part.0+0x5b/0x470 [ 42.764948] do_mount+0xe53/0x2a00 [ 42.768475] ? lock_acquire+0x170/0x3f0 [ 42.772437] ? lock_downgrade+0x740/0x740 [ 42.776557] ? copy_mount_string+0x40/0x40 [ 42.780763] ? __might_fault+0x177/0x1b0 [ 42.784799] ? _copy_from_user+0x96/0x100 [ 42.788923] ? copy_mount_options+0x1fa/0x2f0 [ 42.793390] ? copy_mnt_ns+0xa30/0xa30 [ 42.797252] SyS_mount+0xa8/0x120 [ 42.800677] ? copy_mnt_ns+0xa30/0xa30 [ 42.804556] do_syscall_64+0x1d5/0x640 [ 42.808431] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 42.813599] RIP: 0033:0x441289 executing program [ 42.816764] RSP: 002b:00007ffc0a9f2c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 42.824453] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441289 [ 42.831697] RDX: 00000000200000c0 RSI: 0000000020000080 RDI: 0000000020000000 [ 42.838940] RBP: 00007ffc0a9f2c80 R08: 0000000000000000 R09: 0000000000000000 [ 42.846183] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 42.853425] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 42.866998] FAULT_INJECTION: forcing a failure. [ 42.866998] name failslab, interval 1, probability 0, space 0, times 0 [ 42.878351] CPU: 0 PID: 6357 Comm: syz-executor287 Not tainted 4.14.194-syzkaller #0 [ 42.886219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.895555] Call Trace: [ 42.898120] dump_stack+0x1b2/0x283 [ 42.901725] should_fail.cold+0x10a/0x154 [ 42.905850] should_failslab+0xd6/0x130 [ 42.909797] __kmalloc+0x2c1/0x400 [ 42.913371] ? register_shrinker+0x1ab/0x220 [ 42.917776] register_shrinker+0x1ab/0x220 [ 42.921988] sget_userns+0x9aa/0xc10 [ 42.925764] ? set_bdev_super+0x110/0x110 [ 42.929891] ? ns_test_super+0x50/0x50 [ 42.933757] ? set_bdev_super+0x110/0x110 [ 42.937936] ? ns_test_super+0x50/0x50 [ 42.941800] sget+0xd1/0x110 [ 42.944794] mount_bdev+0xcd/0x360 [ 42.948307] ? minix_iget+0xe70/0xe70 [ 42.952085] mount_fs+0x92/0x2a0 [ 42.955430] vfs_kern_mount.part.0+0x5b/0x470 [ 42.959902] do_mount+0xe53/0x2a00 [ 42.963418] ? lock_acquire+0x170/0x3f0 [ 42.967365] ? lock_downgrade+0x740/0x740 [ 42.971536] ? copy_mount_string+0x40/0x40 [ 42.975750] ? __might_fault+0x177/0x1b0 [ 42.979788] ? _copy_from_user+0x96/0x100 [ 42.983918] ? copy_mount_options+0x1fa/0x2f0 [ 42.988390] ? copy_mnt_ns+0xa30/0xa30 [ 42.992249] SyS_mount+0xa8/0x120 [ 42.995674] ? copy_mnt_ns+0xa30/0xa30 [ 42.999534] do_syscall_64+0x1d5/0x640 [ 43.003406] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 43.008572] RIP: 0033:0x441289 [ 43.011733] RSP: 002b:00007ffc0a9f2c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 43.019456] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441289 [ 43.026700] RDX: 00000000200000c0 RSI: 0000000020000080 RDI: 0000000020000000 [ 43.033942] RBP: 00007ffc0a9f2c80 R08: 0000000000000000 R09: 0000000000000000 [ 43.041185] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 43.048425] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 43.056139] ------------[ cut here ]------------ [ 43.060899] WARNING: CPU: 0 PID: 6357 at fs/super.c:1163 kill_block_super+0xbe/0xe0 [ 43.068682] Kernel panic - not syncing: panic_on_warn set ... [ 43.068682] [ 43.076030] CPU: 0 PID: 6357 Comm: syz-executor287 Not tainted 4.14.194-syzkaller #0 [ 43.083881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.093207] Call Trace: [ 43.095769] dump_stack+0x1b2/0x283 [ 43.099379] panic+0x1f9/0x42d [ 43.102547] ? add_taint.cold+0x16/0x16 [ 43.106497] ? kill_block_super+0xbe/0xe0 [ 43.110625] ? kill_block_super+0xbe/0xe0 [ 43.114745] __warn.cold+0x20/0x4b [ 43.118295] ? ist_end_non_atomic+0x10/0x10 [ 43.122604] ? kill_block_super+0xbe/0xe0 [ 43.126723] report_bug+0x208/0x249 [ 43.130322] do_error_trap+0x195/0x2d0 [ 43.134184] ? math_error+0x2d0/0x2d0 [ 43.137959] ? retint_kernel+0x2d/0x2d [ 43.141822] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.146638] invalid_op+0x1b/0x40 [ 43.150064] RIP: 0010:kill_block_super+0xbe/0xe0 [ 43.154789] RSP: 0018:ffff8880985e7bc8 EFLAGS: 00010297 [ 43.160126] RAX: ffff88809857c140 RBX: 0000000000000000 RCX: 1ffff110130af93e [ 43.167374] RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff8880853484f0 [ 43.174616] RBP: ffff888096e40800 R08: ffffffff8a08afa8 R09: 0000000000000001 [ 43.181858] R10: 0000000000000000 R11: ffff88809857c140 R12: ffff888085348040 [ 43.189213] R13: ffffffff87eb06b0 R14: ffffffff87d536a0 R15: dffffc0000000000 [ 43.196480] ? kill_block_super+0xbe/0xe0 [ 43.200602] deactivate_locked_super+0x6c/0xd0 [ 43.205156] sget_userns+0x9c4/0xc10 [ 43.208843] ? set_bdev_super+0x110/0x110 [ 43.212964] ? ns_test_super+0x50/0x50 [ 43.216846] ? set_bdev_super+0x110/0x110 [ 43.220967] ? ns_test_super+0x50/0x50 [ 43.224825] sget+0xd1/0x110 [ 43.227829] mount_bdev+0xcd/0x360 [ 43.231346] ? minix_iget+0xe70/0xe70 [ 43.235122] mount_fs+0x92/0x2a0 [ 43.238465] vfs_kern_mount.part.0+0x5b/0x470 [ 43.242939] do_mount+0xe53/0x2a00 [ 43.246465] ? lock_acquire+0x170/0x3f0 [ 43.250446] ? lock_downgrade+0x740/0x740 [ 43.254658] ? copy_mount_string+0x40/0x40 [ 43.258869] ? __might_fault+0x177/0x1b0 [ 43.262926] ? _copy_from_user+0x96/0x100 [ 43.267049] ? copy_mount_options+0x1fa/0x2f0 [ 43.271522] ? copy_mnt_ns+0xa30/0xa30 [ 43.275383] SyS_mount+0xa8/0x120 [ 43.278814] ? copy_mnt_ns+0xa30/0xa30 [ 43.282676] do_syscall_64+0x1d5/0x640 [ 43.286553] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 43.291728] RIP: 0033:0x441289 [ 43.294892] RSP: 002b:00007ffc0a9f2c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 43.302571] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441289 [ 43.309814] RDX: 00000000200000c0 RSI: 0000000020000080 RDI: 0000000020000000 [ 43.317058] RBP: 00007ffc0a9f2c80 R08: 0000000000000000 R09: 0000000000000000 [ 43.324301] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 43.331542] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 43.340204] Kernel Offset: disabled [ 43.343860] Rebooting in 86400 seconds..