Warning: Permanently added '10.128.10.17' (ECDSA) to the list of known hosts. syzkaller login: [ 29.515422] FAULT_INJECTION: forcing a failure. [ 29.515422] name failslab, interval 1, probability 0, space 0, times 1 [ 29.527046] CPU: 0 PID: 7965 Comm: syz-executor943 Not tainted 4.14.231-syzkaller #0 [ 29.534931] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.544300] Call Trace: [ 29.546878] dump_stack+0x1b2/0x281 [ 29.550493] should_fail.cold+0x10a/0x149 [ 29.554736] should_failslab+0xd6/0x130 [ 29.558784] kmem_cache_alloc+0x28e/0x3c0 [ 29.562923] getname_flags+0xc8/0x550 [ 29.566747] ? _raw_spin_unlock_irq+0x24/0x80 [ 29.571223] do_sys_open+0x1ce/0x410 [ 29.574918] ? filp_open+0x60/0x60 [ 29.578439] ? do_syscall_64+0x4c/0x640 [ 29.582418] ? SyS_open+0x30/0x30 [ 29.585848] do_syscall_64+0x1d5/0x640 [ 29.589758] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 29.594936] RIP: 0033:0x402357 [ 29.598105] RSP: 002b:00007ffc1f0b7290 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 29.605808] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000402357 executing program [ 29.613077] RDX: 0000000000080001 RSI: 0000000000483130 RDI: 00000000ffffff9c [ 29.620343] RBP: 0000000000483130 R08: 0000000000000000 R09: 00007ffc1f0b7280 [ 29.627688] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080001 [ 29.634961] R13: 0000000000000000 R14: 00000000004ae018 R15: 0000000000400488 [ 29.650885] FAULT_INJECTION: forcing a failure. [ 29.650885] name failslab, interval 1, probability 0, space 0, times 0 [ 29.662495] CPU: 0 PID: 7966 Comm: syz-executor943 Not tainted 4.14.231-syzkaller #0 [ 29.670365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.679705] Call Trace: [ 29.682341] dump_stack+0x1b2/0x281 [ 29.685954] should_fail.cold+0x10a/0x149 [ 29.690090] should_failslab+0xd6/0x130 [ 29.694046] __kmalloc+0x2c1/0x400 [ 29.697566] ? __list_lru_init+0x67/0x710 [ 29.701739] __list_lru_init+0x67/0x710 [ 29.705712] sget_userns+0x4e4/0xc10 [ 29.709422] ? set_bdev_super+0x110/0x110 [ 29.713552] ? ns_test_super+0x50/0x50 [ 29.717417] ? set_bdev_super+0x110/0x110 [ 29.721563] ? ns_test_super+0x50/0x50 [ 29.725429] sget+0xd1/0x110 [ 29.728432] mount_bdev+0xcd/0x360 [ 29.731956] ? get_cramfs_inode+0x6a0/0x6a0 [ 29.736275] mount_fs+0x92/0x2a0 [ 29.739647] vfs_kern_mount.part.0+0x5b/0x470 [ 29.744165] do_mount+0xe53/0x2a00 [ 29.747701] ? lock_acquire+0x170/0x3f0 [ 29.751655] ? lock_downgrade+0x740/0x740 [ 29.755805] ? copy_mount_string+0x40/0x40 [ 29.760020] ? __might_fault+0x177/0x1b0 [ 29.764070] ? _copy_from_user+0x96/0x100 [ 29.768200] ? copy_mount_options+0x1fa/0x2f0 [ 29.772689] ? copy_mnt_ns+0xa30/0xa30 [ 29.776554] SyS_mount+0xa8/0x120 [ 29.779986] ? copy_mnt_ns+0xa30/0xa30 [ 29.783880] do_syscall_64+0x1d5/0x640 [ 29.787773] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 29.792941] RIP: 0033:0x43ff39 [ 29.796108] RSP: 002b:00007ffc1f0b7808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 29.803819] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 000000000043ff39 executing program [ 29.811071] RDX: 0000000020000200 RSI: 00000000200001c0 RDI: 0000000020000000 [ 29.818582] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc1f0b79a8 [ 29.825831] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000403530 [ 29.833094] R13: 431bde82d7b634db R14: 00000000004ae018 R15: 0000000000400488 [ 29.846065] FAULT_INJECTION: forcing a failure. [ 29.846065] name failslab, interval 1, probability 0, space 0, times 0 [ 29.857779] CPU: 0 PID: 7967 Comm: syz-executor943 Not tainted 4.14.231-syzkaller #0 [ 29.865819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.875152] Call Trace: [ 29.877722] dump_stack+0x1b2/0x281 [ 29.881355] should_fail.cold+0x10a/0x149 [ 29.885482] should_failslab+0xd6/0x130 [ 29.889456] __kmalloc+0x2c1/0x400 [ 29.892976] ? register_shrinker+0x1ab/0x220 [ 29.897376] register_shrinker+0x1ab/0x220 [ 29.901596] sget_userns+0x9aa/0xc10 [ 29.905292] ? set_bdev_super+0x110/0x110 [ 29.909423] ? ns_test_super+0x50/0x50 [ 29.913358] ? set_bdev_super+0x110/0x110 [ 29.917486] ? ns_test_super+0x50/0x50 [ 29.921374] sget+0xd1/0x110 [ 29.924405] mount_bdev+0xcd/0x360 [ 29.927927] ? get_cramfs_inode+0x6a0/0x6a0 [ 29.932232] mount_fs+0x92/0x2a0 [ 29.935593] vfs_kern_mount.part.0+0x5b/0x470 [ 29.940101] do_mount+0xe53/0x2a00 [ 29.943655] ? lock_acquire+0x170/0x3f0 [ 29.947610] ? lock_downgrade+0x740/0x740 [ 29.951739] ? copy_mount_string+0x40/0x40 [ 29.955974] ? __might_fault+0x177/0x1b0 [ 29.960021] ? _copy_from_user+0x96/0x100 [ 29.964156] ? copy_mount_options+0x1fa/0x2f0 [ 29.968646] ? copy_mnt_ns+0xa30/0xa30 [ 29.972528] SyS_mount+0xa8/0x120 [ 29.975958] ? copy_mnt_ns+0xa30/0xa30 [ 29.979834] do_syscall_64+0x1d5/0x640 [ 29.983722] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 29.988889] RIP: 0033:0x43ff39 [ 29.992056] RSP: 002b:00007ffc1f0b7808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 29.999746] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 000000000043ff39 [ 30.007020] RDX: 0000000020000200 RSI: 00000000200001c0 RDI: 0000000020000000 [ 30.014288] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc1f0b79a8 [ 30.021535] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc1f0b781c [ 30.028783] R13: 431bde82d7b634db R14: 00000000004ae018 R15: 0000000000400488 [ 30.037166] ------------[ cut here ]------------ [ 30.042051] WARNING: CPU: 0 PID: 7967 at fs/super.c:1163 kill_block_super+0xbe/0xe0 [ 30.049843] Kernel panic - not syncing: panic_on_warn set ... [ 30.049843] [ 30.057197] CPU: 0 PID: 7967 Comm: syz-executor943 Not tainted 4.14.231-syzkaller #0 [ 30.065175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.074534] Call Trace: [ 30.077112] dump_stack+0x1b2/0x281 [ 30.080809] panic+0x1f9/0x42d [ 30.083980] ? add_taint.cold+0x16/0x16 [ 30.087936] ? kill_block_super+0xbe/0xe0 [ 30.092080] ? kill_block_super+0xbe/0xe0 [ 30.096214] __warn.cold+0x20/0x44 [ 30.099737] ? ist_end_non_atomic+0x10/0x10 [ 30.104037] ? kill_block_super+0xbe/0xe0 [ 30.108185] report_bug+0x208/0x250 [ 30.111817] do_error_trap+0x195/0x2d0 [ 30.115701] ? math_error+0x2d0/0x2d0 [ 30.119497] ? retint_kernel+0x2d/0x2d [ 30.123383] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.128229] invalid_op+0x1b/0x40 [ 30.131661] RIP: 0010:kill_block_super+0xbe/0xe0 [ 30.136390] RSP: 0018:ffff8880b30f7bb0 EFLAGS: 00010297 [ 30.141734] RAX: ffff8880b45b0340 RBX: 0000000000000000 RCX: 1ffff110168b617e [ 30.148981] RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff88808e4095f0 [ 30.156244] RBP: ffff8880967fa180 R08: ffffffff8b9b33b0 R09: 0000000000000001 [ 30.163489] R10: 0000000000000000 R11: ffff8880b45b0340 R12: ffff88808e409140 [ 30.170755] R13: ffffffff890a2130 R14: ffffffff88f44f40 R15: dffffc0000000000 [ 30.178020] cramfs_kill_sb+0x38/0x50 [ 30.181822] deactivate_locked_super+0x6c/0xd0 [ 30.186384] sget_userns+0x9c4/0xc10 [ 30.190086] ? set_bdev_super+0x110/0x110 [ 30.194239] ? ns_test_super+0x50/0x50 [ 30.198106] ? set_bdev_super+0x110/0x110 [ 30.202235] ? ns_test_super+0x50/0x50 [ 30.206104] sget+0xd1/0x110 [ 30.209122] mount_bdev+0xcd/0x360 [ 30.212643] ? get_cramfs_inode+0x6a0/0x6a0 [ 30.216958] mount_fs+0x92/0x2a0 [ 30.220306] vfs_kern_mount.part.0+0x5b/0x470 [ 30.224780] do_mount+0xe53/0x2a00 [ 30.228316] ? lock_acquire+0x170/0x3f0 [ 30.232267] ? lock_downgrade+0x740/0x740 [ 30.236393] ? copy_mount_string+0x40/0x40 [ 30.240606] ? __might_fault+0x177/0x1b0 [ 30.244690] ? _copy_from_user+0x96/0x100 [ 30.248822] ? copy_mount_options+0x1fa/0x2f0 [ 30.253339] ? copy_mnt_ns+0xa30/0xa30 [ 30.257213] SyS_mount+0xa8/0x120 [ 30.260662] ? copy_mnt_ns+0xa30/0xa30 [ 30.264531] do_syscall_64+0x1d5/0x640 [ 30.268400] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 30.273566] RIP: 0033:0x43ff39 [ 30.276747] RSP: 002b:00007ffc1f0b7808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 30.284431] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 000000000043ff39 [ 30.292059] RDX: 0000000020000200 RSI: 00000000200001c0 RDI: 0000000020000000 [ 30.299485] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc1f0b79a8 [ 30.306745] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc1f0b781c [ 30.314053] R13: 431bde82d7b634db R14: 00000000004ae018 R15: 0000000000400488 [ 30.321594] Kernel Offset: disabled [ 30.325282] Rebooting in 86400 seconds..