[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 34.607105] random: sshd: uninitialized urandom read (32 bytes read) [ 34.926173] kauditd_printk_skb: 10 callbacks suppressed [ 34.926183] audit: type=1400 audit(1560093535.297:35): avc: denied { map } for pid=6936 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [ 34.982491] random: sshd: uninitialized urandom read (32 bytes read) [ 35.545978] random: sshd: uninitialized urandom read (32 bytes read) [ 58.274244] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.1.52' (ECDSA) to the list of known hosts. [ 63.967980] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 64.097287] audit: type=1400 audit(1560093564.467:36): avc: denied { map } for pid=6948 comm="syz-executor248" path="/root/syz-executor248448998" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 64.108533] FAULT_INJECTION: forcing a failure. [ 64.108533] name failslab, interval 1, probability 0, space 0, times 1 [ 64.143325] CPU: 1 PID: 6949 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 64.152682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.163460] Call Trace: [ 64.166074] dump_stack+0x138/0x19c [ 64.170255] should_fail.cold+0x10f/0x159 [ 64.175408] should_failslab+0xdb/0x130 [ 64.180425] __kmalloc+0x2f0/0x7a0 [ 64.184887] ? lock_downgrade+0x6e0/0x6e0 [ 64.190326] ? register_shrinker+0xbd/0x220 [ 64.195878] register_shrinker+0xbd/0x220 [ 64.200433] sget_userns+0x9bf/0xc30 [ 64.204505] ? set_anon_super+0x20/0x20 [ 64.208894] ? get_empty_filp.cold+0x3b/0x3b [ 64.214071] mount_ns+0x6d/0x190 [ 64.218235] ? nfsd_mount+0xd0/0xd0 [ 64.222599] nfsd_mount+0xa4/0xd0 [ 64.227397] mount_fs+0x97/0x2a1 [ 64.231167] vfs_kern_mount.part.0+0x5e/0x3d0 [ 64.236726] do_mount+0x417/0x27d0 [ 64.240748] ? copy_mount_string+0x40/0x40 [ 64.245531] ? memdup_user+0x58/0xa0 [ 64.249529] ? copy_mount_options+0x1fe/0x2f0 [ 64.254441] SyS_mount+0xab/0x120 [ 64.258420] ? copy_mnt_ns+0x8c0/0x8c0 [ 64.262854] do_syscall_64+0x1e8/0x640 [ 64.267300] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 64.272439] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 64.277937] RIP: 0033:0x441629 [ 64.281399] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 64.289409] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 executing program [ 64.297374] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 64.306160] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 64.313916] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 64.322094] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 64.336906] FAULT_INJECTION: forcing a failure. [ 64.336906] name failslab, interval 1, probability 0, space 0, times 0 [ 64.350908] CPU: 0 PID: 6950 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 64.358942] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.372598] Call Trace: [ 64.375882] dump_stack+0x138/0x19c [ 64.380229] should_fail.cold+0x10f/0x159 [ 64.385251] should_failslab+0xdb/0x130 [ 64.389841] __kmalloc+0x2f0/0x7a0 [ 64.394352] ? __list_lru_init+0x6b/0x660 [ 64.399122] __list_lru_init+0x6b/0x660 [ 64.403724] sget_userns+0x500/0xc30 [ 64.407739] ? set_anon_super+0x20/0x20 [ 64.412099] ? get_empty_filp.cold+0x3b/0x3b [ 64.417704] mount_ns+0x6d/0x190 [ 64.421378] ? nfsd_mount+0xd0/0xd0 [ 64.425454] nfsd_mount+0xa4/0xd0 [ 64.429106] mount_fs+0x97/0x2a1 [ 64.432945] vfs_kern_mount.part.0+0x5e/0x3d0 [ 64.438601] do_mount+0x417/0x27d0 [ 64.442394] ? copy_mount_string+0x40/0x40 [ 64.446904] ? memdup_user+0x58/0xa0 [ 64.450816] ? copy_mount_options+0x1fe/0x2f0 [ 64.455597] SyS_mount+0xab/0x120 [ 64.459564] ? copy_mnt_ns+0x8c0/0x8c0 [ 64.464241] do_syscall_64+0x1e8/0x640 [ 64.469039] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 64.474402] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 64.480079] RIP: 0033:0x441629 [ 64.484056] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 executing program [ 64.492771] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 64.500932] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 64.508839] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 64.517496] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 64.525267] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 64.539469] FAULT_INJECTION: forcing a failure. [ 64.539469] name failslab, interval 1, probability 0, space 0, times 0 [ 64.552969] CPU: 1 PID: 6951 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 64.560856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.571090] Call Trace: [ 64.573922] dump_stack+0x138/0x19c [ 64.577862] should_fail.cold+0x10f/0x159 [ 64.582441] should_failslab+0xdb/0x130 [ 64.586449] __kmalloc+0x2f0/0x7a0 [ 64.590097] ? lock_downgrade+0x6e0/0x6e0 [ 64.594741] ? register_shrinker+0xbd/0x220 [ 64.600786] register_shrinker+0xbd/0x220 [ 64.607691] sget_userns+0x9bf/0xc30 [ 64.613669] ? set_anon_super+0x20/0x20 [ 64.622261] ? get_empty_filp.cold+0x3b/0x3b [ 64.627935] mount_ns+0x6d/0x190 [ 64.631520] ? nfsd_mount+0xd0/0xd0 [ 64.636252] nfsd_mount+0xa4/0xd0 [ 64.639980] mount_fs+0x97/0x2a1 [ 64.643468] vfs_kern_mount.part.0+0x5e/0x3d0 [ 64.648983] do_mount+0x417/0x27d0 [ 64.653078] ? copy_mount_string+0x40/0x40 [ 64.657905] ? memdup_user+0x58/0xa0 [ 64.662862] ? copy_mount_options+0x1fe/0x2f0 [ 64.668115] SyS_mount+0xab/0x120 [ 64.671773] ? copy_mnt_ns+0x8c0/0x8c0 [ 64.676160] do_syscall_64+0x1e8/0x640 [ 64.680200] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 64.685604] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 64.691174] RIP: 0033:0x441629 executing program [ 64.694367] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 64.702744] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 64.710633] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 64.718910] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 64.726922] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 64.734400] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 64.747541] FAULT_INJECTION: forcing a failure. [ 64.747541] name failslab, interval 1, probability 0, space 0, times 0 [ 64.759667] CPU: 0 PID: 6952 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 64.768183] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.778103] Call Trace: [ 64.780907] dump_stack+0x138/0x19c [ 64.785118] should_fail.cold+0x10f/0x159 [ 64.789433] should_failslab+0xdb/0x130 [ 64.793839] __kmalloc+0x2f0/0x7a0 [ 64.797386] ? lock_downgrade+0x6e0/0x6e0 [ 64.802333] ? register_shrinker+0xbd/0x220 [ 64.807078] register_shrinker+0xbd/0x220 [ 64.811249] sget_userns+0x9bf/0xc30 [ 64.815185] ? set_anon_super+0x20/0x20 [ 64.819500] ? get_empty_filp.cold+0x3b/0x3b [ 64.824079] mount_ns+0x6d/0x190 [ 64.827635] ? nfsd_mount+0xd0/0xd0 [ 64.831869] nfsd_mount+0xa4/0xd0 [ 64.835490] mount_fs+0x97/0x2a1 [ 64.839129] vfs_kern_mount.part.0+0x5e/0x3d0 [ 64.843719] do_mount+0x417/0x27d0 [ 64.847425] ? copy_mount_string+0x40/0x40 [ 64.852370] ? memdup_user+0x58/0xa0 [ 64.856276] ? copy_mount_options+0x1fe/0x2f0 [ 64.861257] SyS_mount+0xab/0x120 [ 64.865296] ? copy_mnt_ns+0x8c0/0x8c0 [ 64.869835] do_syscall_64+0x1e8/0x640 [ 64.874805] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 64.881096] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 64.886496] RIP: 0033:0x441629 [ 64.890519] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 executing program [ 64.898854] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 64.906297] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 64.914605] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 64.922611] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 64.930702] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 64.943578] FAULT_INJECTION: forcing a failure. [ 64.943578] name failslab, interval 1, probability 0, space 0, times 0 [ 64.955798] CPU: 0 PID: 6953 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 64.963082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.972619] Call Trace: [ 64.975630] dump_stack+0x138/0x19c [ 64.979262] should_fail.cold+0x10f/0x159 [ 64.983643] should_failslab+0xdb/0x130 [ 64.987782] __kmalloc+0x2f0/0x7a0 [ 64.991326] ? lock_downgrade+0x6e0/0x6e0 [ 64.995468] ? register_shrinker+0xbd/0x220 [ 64.999956] register_shrinker+0xbd/0x220 [ 65.004352] sget_userns+0x9bf/0xc30 [ 65.008326] ? set_anon_super+0x20/0x20 [ 65.012300] ? get_empty_filp.cold+0x3b/0x3b [ 65.016706] mount_ns+0x6d/0x190 [ 65.020421] ? nfsd_mount+0xd0/0xd0 [ 65.024045] nfsd_mount+0xa4/0xd0 [ 65.027731] mount_fs+0x97/0x2a1 [ 65.031696] vfs_kern_mount.part.0+0x5e/0x3d0 [ 65.036188] do_mount+0x417/0x27d0 [ 65.039893] ? copy_mount_string+0x40/0x40 [ 65.044678] ? memdup_user+0x58/0xa0 [ 65.048392] ? copy_mount_options+0x1fe/0x2f0 [ 65.053117] SyS_mount+0xab/0x120 [ 65.056576] ? copy_mnt_ns+0x8c0/0x8c0 [ 65.060939] do_syscall_64+0x1e8/0x640 [ 65.065062] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 65.070075] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 65.075867] RIP: 0033:0x441629 [ 65.079142] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 65.087478] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 65.095512] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 executing program [ 65.102779] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 65.110258] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 65.117730] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 65.130469] FAULT_INJECTION: forcing a failure. [ 65.130469] name failslab, interval 1, probability 0, space 0, times 0 [ 65.142855] CPU: 1 PID: 6954 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 65.151206] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.161513] Call Trace: [ 65.164303] dump_stack+0x138/0x19c [ 65.168380] should_fail.cold+0x10f/0x159 [ 65.173499] should_failslab+0xdb/0x130 [ 65.178101] __kmalloc+0x2f0/0x7a0 [ 65.182034] ? lock_downgrade+0x6e0/0x6e0 [ 65.186203] ? register_shrinker+0xbd/0x220 [ 65.190668] register_shrinker+0xbd/0x220 [ 65.195119] sget_userns+0x9bf/0xc30 [ 65.199075] ? set_anon_super+0x20/0x20 [ 65.203578] ? get_empty_filp.cold+0x3b/0x3b [ 65.208238] mount_ns+0x6d/0x190 [ 65.212020] ? nfsd_mount+0xd0/0xd0 [ 65.216017] nfsd_mount+0xa4/0xd0 [ 65.219680] mount_fs+0x97/0x2a1 [ 65.223235] vfs_kern_mount.part.0+0x5e/0x3d0 [ 65.227916] do_mount+0x417/0x27d0 [ 65.231475] ? copy_mount_string+0x40/0x40 [ 65.236408] ? memdup_user+0x58/0xa0 [ 65.240482] ? copy_mount_options+0x1fe/0x2f0 [ 65.245228] SyS_mount+0xab/0x120 [ 65.249043] ? copy_mnt_ns+0x8c0/0x8c0 [ 65.252944] do_syscall_64+0x1e8/0x640 [ 65.257278] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 65.262264] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 65.267682] RIP: 0033:0x441629 [ 65.270871] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 65.278774] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 65.286304] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 65.293978] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 executing program [ 65.301525] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 65.309111] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 65.321400] FAULT_INJECTION: forcing a failure. [ 65.321400] name failslab, interval 1, probability 0, space 0, times 0 [ 65.346193] CPU: 0 PID: 6955 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 65.353652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.364179] Call Trace: [ 65.366779] dump_stack+0x138/0x19c [ 65.370922] should_fail.cold+0x10f/0x159 [ 65.375078] should_failslab+0xdb/0x130 [ 65.379154] __kmalloc+0x2f0/0x7a0 [ 65.383032] ? lock_downgrade+0x6e0/0x6e0 [ 65.388257] ? register_shrinker+0xbd/0x220 [ 65.392710] register_shrinker+0xbd/0x220 [ 65.397056] sget_userns+0x9bf/0xc30 [ 65.401372] ? set_anon_super+0x20/0x20 [ 65.405862] ? get_empty_filp.cold+0x3b/0x3b [ 65.410860] mount_ns+0x6d/0x190 [ 65.414608] ? nfsd_mount+0xd0/0xd0 [ 65.418245] nfsd_mount+0xa4/0xd0 [ 65.421694] mount_fs+0x97/0x2a1 [ 65.425202] vfs_kern_mount.part.0+0x5e/0x3d0 [ 65.429694] do_mount+0x417/0x27d0 [ 65.433228] ? copy_mount_string+0x40/0x40 [ 65.437616] ? memdup_user+0x58/0xa0 [ 65.441324] ? copy_mount_options+0x1fe/0x2f0 [ 65.445951] SyS_mount+0xab/0x120 [ 65.449732] ? copy_mnt_ns+0x8c0/0x8c0 [ 65.453641] do_syscall_64+0x1e8/0x640 [ 65.457518] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 65.462364] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 65.467548] RIP: 0033:0x441629 [ 65.470945] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 65.478847] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 65.486438] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 65.493861] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 executing program [ 65.501537] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 65.509069] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 65.521960] FAULT_INJECTION: forcing a failure. [ 65.521960] name failslab, interval 1, probability 0, space 0, times 0 [ 65.533393] CPU: 0 PID: 6956 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 65.541000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.550676] Call Trace: [ 65.553266] dump_stack+0x138/0x19c [ 65.557312] should_fail.cold+0x10f/0x159 [ 65.561900] should_failslab+0xdb/0x130 [ 65.565874] __kmalloc+0x2f0/0x7a0 [ 65.569409] ? lock_downgrade+0x6e0/0x6e0 [ 65.573706] ? register_shrinker+0xbd/0x220 [ 65.578273] register_shrinker+0xbd/0x220 [ 65.582425] sget_userns+0x9bf/0xc30 [ 65.586133] ? set_anon_super+0x20/0x20 [ 65.590099] ? get_empty_filp.cold+0x3b/0x3b [ 65.594694] mount_ns+0x6d/0x190 [ 65.598058] ? nfsd_mount+0xd0/0xd0 [ 65.602055] nfsd_mount+0xa4/0xd0 [ 65.605865] mount_fs+0x97/0x2a1 [ 65.609408] vfs_kern_mount.part.0+0x5e/0x3d0 [ 65.613898] do_mount+0x417/0x27d0 [ 65.617632] ? copy_mount_string+0x40/0x40 [ 65.622146] ? memdup_user+0x58/0xa0 [ 65.626087] ? copy_mount_options+0x1fe/0x2f0 [ 65.630881] SyS_mount+0xab/0x120 [ 65.634450] ? copy_mnt_ns+0x8c0/0x8c0 [ 65.638337] do_syscall_64+0x1e8/0x640 [ 65.642216] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 65.647228] entry_SYSCALL_64_after_hwframe+0x42/0xb7 executing program [ 65.652576] RIP: 0033:0x441629 [ 65.655917] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 65.664092] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 65.671515] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 65.679314] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 65.686884] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 65.694506] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 65.708047] FAULT_INJECTION: forcing a failure. [ 65.708047] name failslab, interval 1, probability 0, space 0, times 0 [ 65.720825] CPU: 1 PID: 6957 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 65.728122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.738019] Call Trace: [ 65.740638] dump_stack+0x138/0x19c [ 65.744331] should_fail.cold+0x10f/0x159 [ 65.748487] should_failslab+0xdb/0x130 [ 65.752681] __kmalloc+0x2f0/0x7a0 [ 65.757131] ? lock_downgrade+0x6e0/0x6e0 [ 65.761486] ? register_shrinker+0xbd/0x220 [ 65.766207] register_shrinker+0xbd/0x220 [ 65.770393] sget_userns+0x9bf/0xc30 [ 65.774220] ? set_anon_super+0x20/0x20 [ 65.778217] ? get_empty_filp.cold+0x3b/0x3b [ 65.782915] mount_ns+0x6d/0x190 [ 65.786313] ? nfsd_mount+0xd0/0xd0 [ 65.790388] nfsd_mount+0xa4/0xd0 [ 65.794729] mount_fs+0x97/0x2a1 [ 65.798435] vfs_kern_mount.part.0+0x5e/0x3d0 [ 65.803409] do_mount+0x417/0x27d0 [ 65.806976] ? copy_mount_string+0x40/0x40 [ 65.811537] ? memdup_user+0x58/0xa0 [ 65.815476] ? copy_mount_options+0x1fe/0x2f0 [ 65.820314] SyS_mount+0xab/0x120 [ 65.824655] ? copy_mnt_ns+0x8c0/0x8c0 [ 65.828757] do_syscall_64+0x1e8/0x640 [ 65.832803] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 65.838398] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 65.843902] RIP: 0033:0x441629 [ 65.847272] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 executing program [ 65.856044] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 65.863911] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 65.871791] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 65.880262] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 65.887764] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 65.900493] FAULT_INJECTION: forcing a failure. [ 65.900493] name failslab, interval 1, probability 0, space 0, times 0 [ 65.912561] CPU: 0 PID: 6958 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 65.920162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.930886] Call Trace: [ 65.933809] dump_stack+0x138/0x19c [ 65.938161] should_fail.cold+0x10f/0x159 [ 65.942727] should_failslab+0xdb/0x130 [ 65.946975] __kmalloc+0x2f0/0x7a0 [ 65.950830] ? lock_downgrade+0x6e0/0x6e0 [ 65.955389] ? register_shrinker+0xbd/0x220 [ 65.960577] register_shrinker+0xbd/0x220 [ 65.965060] sget_userns+0x9bf/0xc30 [ 65.969464] ? set_anon_super+0x20/0x20 [ 65.973971] ? get_empty_filp.cold+0x3b/0x3b [ 65.978947] mount_ns+0x6d/0x190 [ 65.982440] ? nfsd_mount+0xd0/0xd0 [ 65.986251] nfsd_mount+0xa4/0xd0 [ 65.989905] mount_fs+0x97/0x2a1 [ 65.993357] vfs_kern_mount.part.0+0x5e/0x3d0 [ 65.998602] do_mount+0x417/0x27d0 [ 66.002486] ? copy_mount_string+0x40/0x40 [ 66.007601] ? memdup_user+0x58/0xa0 [ 66.012052] ? copy_mount_options+0x1fe/0x2f0 [ 66.017188] SyS_mount+0xab/0x120 [ 66.020645] ? copy_mnt_ns+0x8c0/0x8c0 [ 66.024531] do_syscall_64+0x1e8/0x640 [ 66.028723] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 66.034608] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 66.040393] RIP: 0033:0x441629 [ 66.044023] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 executing program [ 66.052806] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 66.060821] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 66.068482] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 66.076247] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 66.085264] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 66.098170] FAULT_INJECTION: forcing a failure. [ 66.098170] name failslab, interval 1, probability 0, space 0, times 0 [ 66.109807] CPU: 1 PID: 6959 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 66.117301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.126774] Call Trace: [ 66.129469] dump_stack+0x138/0x19c [ 66.133753] should_fail.cold+0x10f/0x159 [ 66.138464] should_failslab+0xdb/0x130 [ 66.142988] __kmalloc+0x2f0/0x7a0 [ 66.147182] ? __list_lru_init+0x6b/0x660 [ 66.151856] __list_lru_init+0x6b/0x660 [ 66.156237] sget_userns+0x4e0/0xc30 [ 66.160504] ? set_anon_super+0x20/0x20 [ 66.164912] ? get_empty_filp.cold+0x3b/0x3b [ 66.170055] mount_ns+0x6d/0x190 [ 66.173879] ? nfsd_mount+0xd0/0xd0 [ 66.177792] nfsd_mount+0xa4/0xd0 [ 66.181737] mount_fs+0x97/0x2a1 [ 66.185118] vfs_kern_mount.part.0+0x5e/0x3d0 [ 66.189847] do_mount+0x417/0x27d0 [ 66.193493] ? copy_mount_string+0x40/0x40 [ 66.198392] ? memdup_user+0x58/0xa0 [ 66.202865] ? copy_mount_options+0x1fe/0x2f0 [ 66.208048] SyS_mount+0xab/0x120 [ 66.211800] ? copy_mnt_ns+0x8c0/0x8c0 [ 66.215784] do_syscall_64+0x1e8/0x640 [ 66.220308] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 66.226033] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 66.232886] RIP: 0033:0x441629 [ 66.236365] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 66.244754] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 executing program [ 66.253325] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 66.261559] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 66.270327] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 66.278591] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 66.292815] FAULT_INJECTION: forcing a failure. [ 66.292815] name failslab, interval 1, probability 0, space 0, times 0 [ 66.305155] CPU: 1 PID: 6960 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 66.313602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.325161] Call Trace: [ 66.328215] dump_stack+0x138/0x19c [ 66.332251] should_fail.cold+0x10f/0x159 [ 66.337198] should_failslab+0xdb/0x130 [ 66.341525] __kmalloc+0x2f0/0x7a0 [ 66.345280] ? __list_lru_init+0x6b/0x660 [ 66.349835] __list_lru_init+0x6b/0x660 [ 66.354474] sget_userns+0x500/0xc30 [ 66.358928] ? set_anon_super+0x20/0x20 [ 66.362916] ? get_empty_filp.cold+0x3b/0x3b [ 66.368009] mount_ns+0x6d/0x190 [ 66.371652] ? nfsd_mount+0xd0/0xd0 [ 66.376230] nfsd_mount+0xa4/0xd0 [ 66.380089] mount_fs+0x97/0x2a1 [ 66.383640] vfs_kern_mount.part.0+0x5e/0x3d0 [ 66.389206] do_mount+0x417/0x27d0 [ 66.393102] ? copy_mount_string+0x40/0x40 [ 66.397858] ? memdup_user+0x58/0xa0 [ 66.401903] ? copy_mount_options+0x1fe/0x2f0 [ 66.406732] SyS_mount+0xab/0x120 [ 66.411156] ? copy_mnt_ns+0x8c0/0x8c0 [ 66.415484] do_syscall_64+0x1e8/0x640 [ 66.419381] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 66.424362] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 66.430372] RIP: 0033:0x441629 [ 66.434150] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 66.442096] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 66.449544] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 executing program [ 66.457317] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 66.464720] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 66.472032] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 66.484798] FAULT_INJECTION: forcing a failure. [ 66.484798] name failslab, interval 1, probability 0, space 0, times 0 [ 66.496801] CPU: 0 PID: 6961 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 66.504318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.514231] Call Trace: [ 66.516918] dump_stack+0x138/0x19c [ 66.520574] should_fail.cold+0x10f/0x159 [ 66.524743] should_failslab+0xdb/0x130 [ 66.529183] __kmalloc+0x2f0/0x7a0 [ 66.532981] ? __list_lru_init+0x6b/0x660 [ 66.537349] __list_lru_init+0x6b/0x660 [ 66.541519] sget_userns+0x500/0xc30 [ 66.545522] ? set_anon_super+0x20/0x20 [ 66.549530] ? get_empty_filp.cold+0x3b/0x3b [ 66.554085] mount_ns+0x6d/0x190 [ 66.557609] ? nfsd_mount+0xd0/0xd0 [ 66.561745] nfsd_mount+0xa4/0xd0 [ 66.565380] mount_fs+0x97/0x2a1 [ 66.569133] vfs_kern_mount.part.0+0x5e/0x3d0 [ 66.573979] do_mount+0x417/0x27d0 [ 66.577655] ? copy_mount_string+0x40/0x40 [ 66.581991] ? memdup_user+0x58/0xa0 [ 66.586139] ? copy_mount_options+0x1fe/0x2f0 [ 66.591181] SyS_mount+0xab/0x120 [ 66.595251] ? copy_mnt_ns+0x8c0/0x8c0 [ 66.599277] do_syscall_64+0x1e8/0x640 [ 66.603519] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 66.608547] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 66.614020] RIP: 0033:0x441629 [ 66.617415] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 66.625471] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 66.632925] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 66.640668] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 66.648407] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff executing program [ 66.655990] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 66.670790] FAULT_INJECTION: forcing a failure. [ 66.670790] name failslab, interval 1, probability 0, space 0, times 0 [ 66.683576] CPU: 1 PID: 6962 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 66.690876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.700239] Call Trace: [ 66.702849] dump_stack+0x138/0x19c [ 66.706612] should_fail.cold+0x10f/0x159 [ 66.710789] should_failslab+0xdb/0x130 [ 66.715762] __kmalloc+0x2f0/0x7a0 [ 66.719724] ? __list_lru_init+0x6b/0x660 [ 66.724345] __list_lru_init+0x6b/0x660 [ 66.728758] sget_userns+0x500/0xc30 [ 66.733110] ? set_anon_super+0x20/0x20 [ 66.737898] ? get_empty_filp.cold+0x3b/0x3b [ 66.742511] mount_ns+0x6d/0x190 [ 66.745892] ? nfsd_mount+0xd0/0xd0 [ 66.749532] nfsd_mount+0xa4/0xd0 [ 66.753557] mount_fs+0x97/0x2a1 [ 66.757110] vfs_kern_mount.part.0+0x5e/0x3d0 [ 66.761813] do_mount+0x417/0x27d0 [ 66.765661] ? copy_mount_string+0x40/0x40 [ 66.770146] ? memdup_user+0x58/0xa0 [ 66.774089] ? copy_mount_options+0x1fe/0x2f0 [ 66.779045] SyS_mount+0xab/0x120 [ 66.782624] ? copy_mnt_ns+0x8c0/0x8c0 [ 66.786787] do_syscall_64+0x1e8/0x640 [ 66.790882] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 66.796302] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 66.801990] RIP: 0033:0x441629 [ 66.805189] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 executing program [ 66.813469] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 66.821323] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 66.828810] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 66.836270] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 66.843713] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 66.856704] FAULT_INJECTION: forcing a failure. [ 66.856704] name failslab, interval 1, probability 0, space 0, times 0 [ 66.868457] CPU: 0 PID: 6963 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 66.876661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.886565] Call Trace: [ 66.889238] dump_stack+0x138/0x19c [ 66.892913] should_fail.cold+0x10f/0x159 [ 66.898008] should_failslab+0xdb/0x130 [ 66.902648] __kmalloc+0x2f0/0x7a0 [ 66.906294] ? __list_lru_init+0x6b/0x660 [ 66.910609] __list_lru_init+0x6b/0x660 [ 66.914741] sget_userns+0x500/0xc30 [ 66.918856] ? set_anon_super+0x20/0x20 [ 66.922970] ? get_empty_filp.cold+0x3b/0x3b [ 66.927484] mount_ns+0x6d/0x190 [ 66.930857] ? nfsd_mount+0xd0/0xd0 [ 66.934643] nfsd_mount+0xa4/0xd0 [ 66.938195] mount_fs+0x97/0x2a1 [ 66.941665] vfs_kern_mount.part.0+0x5e/0x3d0 [ 66.946283] do_mount+0x417/0x27d0 [ 66.949835] ? copy_mount_string+0x40/0x40 [ 66.955438] ? memdup_user+0x58/0xa0 [ 66.959369] ? copy_mount_options+0x1fe/0x2f0 [ 66.965149] SyS_mount+0xab/0x120 [ 66.969343] ? copy_mnt_ns+0x8c0/0x8c0 [ 66.973687] do_syscall_64+0x1e8/0x640 [ 66.978157] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 66.983528] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 66.989628] RIP: 0033:0x441629 [ 66.992995] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 67.001306] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 executing program [ 67.009011] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 67.017094] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 67.024995] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 67.032675] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 67.045920] FAULT_INJECTION: forcing a failure. [ 67.045920] name failslab, interval 1, probability 0, space 0, times 0 [ 67.058003] CPU: 1 PID: 6964 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 67.065430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.076761] Call Trace: [ 67.079717] dump_stack+0x138/0x19c [ 67.083358] should_fail.cold+0x10f/0x159 [ 67.087673] should_failslab+0xdb/0x130 [ 67.092118] __kmalloc+0x2f0/0x7a0 [ 67.095677] ? __list_lru_init+0x6b/0x660 [ 67.099923] __list_lru_init+0x6b/0x660 [ 67.103904] sget_userns+0x500/0xc30 [ 67.107878] ? set_anon_super+0x20/0x20 [ 67.112116] ? get_empty_filp.cold+0x3b/0x3b [ 67.116614] mount_ns+0x6d/0x190 [ 67.120086] ? nfsd_mount+0xd0/0xd0 [ 67.123908] nfsd_mount+0xa4/0xd0 [ 67.127532] mount_fs+0x97/0x2a1 [ 67.131093] vfs_kern_mount.part.0+0x5e/0x3d0 [ 67.135939] do_mount+0x417/0x27d0 [ 67.139914] ? copy_mount_string+0x40/0x40 [ 67.144172] ? memdup_user+0x58/0xa0 [ 67.148036] ? copy_mount_options+0x1fe/0x2f0 [ 67.153479] SyS_mount+0xab/0x120 [ 67.157041] ? copy_mnt_ns+0x8c0/0x8c0 [ 67.161176] do_syscall_64+0x1e8/0x640 [ 67.165208] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 67.170367] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 67.175788] RIP: 0033:0x441629 [ 67.179113] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 67.187697] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 67.196572] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 executing program [ 67.211026] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 67.218617] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 67.226574] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 67.240629] FAULT_INJECTION: forcing a failure. [ 67.240629] name failslab, interval 1, probability 0, space 0, times 0 [ 67.252233] CPU: 0 PID: 6965 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 67.260064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.272440] Call Trace: [ 67.275683] dump_stack+0x138/0x19c [ 67.280313] should_fail.cold+0x10f/0x159 [ 67.287761] should_failslab+0xdb/0x130 [ 67.292394] __kmalloc+0x2f0/0x7a0 [ 67.296514] ? __list_lru_init+0x6b/0x660 [ 67.301071] __list_lru_init+0x6b/0x660 [ 67.305058] sget_userns+0x4e0/0xc30 [ 67.308887] ? set_anon_super+0x20/0x20 [ 67.313012] ? get_empty_filp.cold+0x3b/0x3b [ 67.318124] mount_ns+0x6d/0x190 [ 67.322645] ? nfsd_mount+0xd0/0xd0 [ 67.326293] nfsd_mount+0xa4/0xd0 [ 67.329936] mount_fs+0x97/0x2a1 [ 67.333423] vfs_kern_mount.part.0+0x5e/0x3d0 [ 67.338183] do_mount+0x417/0x27d0 [ 67.342138] ? copy_mount_string+0x40/0x40 [ 67.346499] ? memdup_user+0x58/0xa0 [ 67.350628] ? copy_mount_options+0x1fe/0x2f0 [ 67.356210] SyS_mount+0xab/0x120 [ 67.360284] ? copy_mnt_ns+0x8c0/0x8c0 [ 67.364447] do_syscall_64+0x1e8/0x640 [ 67.370176] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 67.375426] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 67.381133] RIP: 0033:0x441629 [ 67.384611] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 67.392712] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 67.400103] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 67.407386] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 executing program [ 67.414672] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 67.422605] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 67.435189] FAULT_INJECTION: forcing a failure. [ 67.435189] name failslab, interval 1, probability 0, space 0, times 0 [ 67.447803] CPU: 1 PID: 6966 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 67.455941] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.465782] Call Trace: [ 67.468607] dump_stack+0x138/0x19c [ 67.472670] should_fail.cold+0x10f/0x159 [ 67.477102] should_failslab+0xdb/0x130 [ 67.481823] __kmalloc+0x2f0/0x7a0 [ 67.486020] ? __list_lru_init+0x6b/0x660 [ 67.491103] __list_lru_init+0x6b/0x660 [ 67.495097] sget_userns+0x500/0xc30 [ 67.499527] ? set_anon_super+0x20/0x20 [ 67.503519] ? get_empty_filp.cold+0x3b/0x3b [ 67.507930] mount_ns+0x6d/0x190 [ 67.511531] ? nfsd_mount+0xd0/0xd0 [ 67.515290] nfsd_mount+0xa4/0xd0 [ 67.518870] mount_fs+0x97/0x2a1 [ 67.522533] vfs_kern_mount.part.0+0x5e/0x3d0 [ 67.527355] do_mount+0x417/0x27d0 [ 67.530905] ? copy_mount_string+0x40/0x40 [ 67.535383] ? memdup_user+0x58/0xa0 [ 67.539687] ? copy_mount_options+0x1fe/0x2f0 [ 67.544507] SyS_mount+0xab/0x120 [ 67.548295] ? copy_mnt_ns+0x8c0/0x8c0 [ 67.552415] do_syscall_64+0x1e8/0x640 [ 67.556484] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 67.562525] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 67.569046] RIP: 0033:0x441629 [ 67.572457] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 67.580511] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 67.587778] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 67.595191] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 67.602460] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff executing program [ 67.612797] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 67.626888] FAULT_INJECTION: forcing a failure. [ 67.626888] name failslab, interval 1, probability 0, space 0, times 0 [ 67.639132] CPU: 0 PID: 6967 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 67.646233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.655581] Call Trace: [ 67.658168] dump_stack+0x138/0x19c [ 67.661975] should_fail.cold+0x10f/0x159 [ 67.666123] should_failslab+0xdb/0x130 [ 67.670092] __kmalloc+0x2f0/0x7a0 [ 67.673627] ? __list_lru_init+0x6b/0x660 [ 67.677817] __list_lru_init+0x6b/0x660 [ 67.681790] sget_userns+0x500/0xc30 [ 67.685512] ? set_anon_super+0x20/0x20 [ 67.689474] ? get_empty_filp.cold+0x3b/0x3b [ 67.693863] mount_ns+0x6d/0x190 [ 67.697229] ? nfsd_mount+0xd0/0xd0 [ 67.700841] nfsd_mount+0xa4/0xd0 [ 67.704275] mount_fs+0x97/0x2a1 [ 67.707624] vfs_kern_mount.part.0+0x5e/0x3d0 [ 67.712101] do_mount+0x417/0x27d0 [ 67.715623] ? copy_mount_string+0x40/0x40 [ 67.719840] ? memdup_user+0x58/0xa0 [ 67.723971] ? copy_mount_options+0x1fe/0x2f0 [ 67.728452] SyS_mount+0xab/0x120 [ 67.731895] ? copy_mnt_ns+0x8c0/0x8c0 [ 67.736390] do_syscall_64+0x1e8/0x640 [ 67.740289] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 67.745122] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 67.750308] RIP: 0033:0x441629 [ 67.753487] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 67.761191] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 executing program [ 67.768445] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 67.775706] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 67.783491] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 67.790746] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 67.803063] FAULT_INJECTION: forcing a failure. [ 67.803063] name failslab, interval 1, probability 0, space 0, times 0 [ 67.814443] CPU: 0 PID: 6968 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 67.821537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.830879] Call Trace: [ 67.833458] dump_stack+0x138/0x19c [ 67.837076] should_fail.cold+0x10f/0x159 [ 67.841214] should_failslab+0xdb/0x130 [ 67.845186] __kmalloc+0x2f0/0x7a0 [ 67.848741] ? __list_lru_init+0x6b/0x660 [ 67.853046] __list_lru_init+0x6b/0x660 [ 67.857006] sget_userns+0x500/0xc30 [ 67.860703] ? set_anon_super+0x20/0x20 [ 67.864662] ? get_empty_filp.cold+0x3b/0x3b [ 67.869053] mount_ns+0x6d/0x190 [ 67.872403] ? nfsd_mount+0xd0/0xd0 [ 67.876205] nfsd_mount+0xa4/0xd0 [ 67.879736] mount_fs+0x97/0x2a1 [ 67.883103] vfs_kern_mount.part.0+0x5e/0x3d0 [ 67.887601] do_mount+0x417/0x27d0 [ 67.891128] ? copy_mount_string+0x40/0x40 [ 67.895349] ? memdup_user+0x58/0xa0 [ 67.899053] ? copy_mount_options+0x1fe/0x2f0 [ 67.903533] SyS_mount+0xab/0x120 [ 67.907004] ? copy_mnt_ns+0x8c0/0x8c0 [ 67.910877] do_syscall_64+0x1e8/0x640 [ 67.914749] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 67.919576] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 67.924748] RIP: 0033:0x441629 [ 67.927921] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 67.935738] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 67.942992] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 67.950266] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 67.957526] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff executing program [ 67.964797] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 67.977011] FAULT_INJECTION: forcing a failure. [ 67.977011] name failslab, interval 1, probability 0, space 0, times 0 [ 67.988422] CPU: 1 PID: 6969 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 67.995953] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.005485] Call Trace: [ 68.008074] dump_stack+0x138/0x19c [ 68.011698] should_fail.cold+0x10f/0x159 [ 68.015856] should_failslab+0xdb/0x130 [ 68.019823] __kmalloc+0x2f0/0x7a0 [ 68.023360] ? __list_lru_init+0x6b/0x660 [ 68.027509] __list_lru_init+0x6b/0x660 [ 68.031515] sget_userns+0x500/0xc30 [ 68.035407] ? set_anon_super+0x20/0x20 [ 68.039378] ? get_empty_filp.cold+0x3b/0x3b [ 68.043866] mount_ns+0x6d/0x190 [ 68.047520] ? nfsd_mount+0xd0/0xd0 [ 68.051813] nfsd_mount+0xa4/0xd0 [ 68.055377] mount_fs+0x97/0x2a1 [ 68.058749] vfs_kern_mount.part.0+0x5e/0x3d0 [ 68.063262] do_mount+0x417/0x27d0 [ 68.066820] ? copy_mount_string+0x40/0x40 [ 68.071063] ? memdup_user+0x58/0xa0 [ 68.074776] ? copy_mount_options+0x1fe/0x2f0 [ 68.079286] SyS_mount+0xab/0x120 [ 68.082837] ? copy_mnt_ns+0x8c0/0x8c0 [ 68.086744] do_syscall_64+0x1e8/0x640 [ 68.090634] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 68.095494] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 68.100709] RIP: 0033:0x441629 [ 68.103983] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 68.111954] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 executing program [ 68.119224] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 68.126611] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 68.134056] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 68.141493] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 68.153865] FAULT_INJECTION: forcing a failure. [ 68.153865] name failslab, interval 1, probability 0, space 0, times 0 [ 68.165830] CPU: 0 PID: 6970 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 68.173520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.183718] Call Trace: [ 68.186333] dump_stack+0x138/0x19c [ 68.190012] should_fail.cold+0x10f/0x159 [ 68.194188] should_failslab+0xdb/0x130 [ 68.198160] __kmalloc+0x2f0/0x7a0 [ 68.201873] ? __list_lru_init+0x6b/0x660 [ 68.206019] __list_lru_init+0x6b/0x660 [ 68.209990] sget_userns+0x500/0xc30 [ 68.213718] ? set_anon_super+0x20/0x20 [ 68.217686] ? get_empty_filp.cold+0x3b/0x3b [ 68.222084] mount_ns+0x6d/0x190 [ 68.225438] ? nfsd_mount+0xd0/0xd0 [ 68.229073] nfsd_mount+0xa4/0xd0 [ 68.232718] mount_fs+0x97/0x2a1 [ 68.236082] vfs_kern_mount.part.0+0x5e/0x3d0 [ 68.240731] do_mount+0x417/0x27d0 [ 68.244259] ? copy_mount_string+0x40/0x40 [ 68.248749] ? memdup_user+0x58/0xa0 [ 68.252455] ? copy_mount_options+0x1fe/0x2f0 [ 68.257095] SyS_mount+0xab/0x120 [ 68.260542] ? copy_mnt_ns+0x8c0/0x8c0 [ 68.264432] do_syscall_64+0x1e8/0x640 [ 68.268310] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 68.273146] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 68.284263] RIP: 0033:0x441629 [ 68.287443] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 68.295149] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 68.302412] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 68.309670] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 executing program [ 68.316994] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 68.324259] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 68.336744] FAULT_INJECTION: forcing a failure. [ 68.336744] name failslab, interval 1, probability 0, space 0, times 0 [ 68.348272] CPU: 1 PID: 6971 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 68.355404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.364753] Call Trace: [ 68.367543] dump_stack+0x138/0x19c [ 68.371157] should_fail.cold+0x10f/0x159 [ 68.375295] should_failslab+0xdb/0x130 [ 68.379284] __kmalloc+0x2f0/0x7a0 [ 68.382818] ? __list_lru_init+0x6b/0x660 [ 68.386960] __list_lru_init+0x6b/0x660 [ 68.390922] sget_userns+0x500/0xc30 [ 68.394998] ? set_anon_super+0x20/0x20 [ 68.398984] ? get_empty_filp.cold+0x3b/0x3b [ 68.403404] mount_ns+0x6d/0x190 [ 68.406763] ? nfsd_mount+0xd0/0xd0 [ 68.410377] nfsd_mount+0xa4/0xd0 [ 68.413819] mount_fs+0x97/0x2a1 [ 68.417176] vfs_kern_mount.part.0+0x5e/0x3d0 [ 68.421860] do_mount+0x417/0x27d0 [ 68.425420] ? copy_mount_string+0x40/0x40 [ 68.429643] ? memdup_user+0x58/0xa0 [ 68.433343] ? copy_mount_options+0x1fe/0x2f0 [ 68.437824] SyS_mount+0xab/0x120 [ 68.441960] ? copy_mnt_ns+0x8c0/0x8c0 [ 68.445839] do_syscall_64+0x1e8/0x640 [ 68.449731] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 68.454573] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 68.459749] RIP: 0033:0x441629 [ 68.462920] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 executing program [ 68.470609] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 68.477863] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 68.485140] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 68.492423] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 68.499699] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 68.512692] FAULT_INJECTION: forcing a failure. [ 68.512692] name failslab, interval 1, probability 0, space 0, times 0 [ 68.524962] CPU: 1 PID: 6972 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 68.532059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.541402] Call Trace: [ 68.544075] dump_stack+0x138/0x19c [ 68.547697] should_fail.cold+0x10f/0x159 [ 68.551834] should_failslab+0xdb/0x130 [ 68.555809] __kmalloc+0x2f0/0x7a0 [ 68.559357] ? __list_lru_init+0x6b/0x660 [ 68.563628] __list_lru_init+0x6b/0x660 [ 68.567643] sget_userns+0x500/0xc30 [ 68.571384] ? set_anon_super+0x20/0x20 [ 68.575366] ? get_empty_filp.cold+0x3b/0x3b [ 68.579809] mount_ns+0x6d/0x190 [ 68.583181] ? nfsd_mount+0xd0/0xd0 [ 68.586832] nfsd_mount+0xa4/0xd0 [ 68.590295] mount_fs+0x97/0x2a1 [ 68.593664] vfs_kern_mount.part.0+0x5e/0x3d0 [ 68.598209] do_mount+0x417/0x27d0 [ 68.601758] ? copy_mount_string+0x40/0x40 [ 68.606007] ? memdup_user+0x58/0xa0 [ 68.610651] ? copy_mount_options+0x1fe/0x2f0 [ 68.615174] SyS_mount+0xab/0x120 [ 68.618615] ? copy_mnt_ns+0x8c0/0x8c0 [ 68.622499] do_syscall_64+0x1e8/0x640 [ 68.626372] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 68.631209] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 68.636384] RIP: 0033:0x441629 [ 68.639558] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 68.647251] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 68.654519] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 68.661794] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 executing program [ 68.669060] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 68.676321] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 68.688581] FAULT_INJECTION: forcing a failure. [ 68.688581] name failslab, interval 1, probability 0, space 0, times 0 [ 68.700012] CPU: 0 PID: 6973 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 68.707115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.716565] Call Trace: [ 68.719288] dump_stack+0x138/0x19c [ 68.722919] should_fail.cold+0x10f/0x159 [ 68.727096] should_failslab+0xdb/0x130 [ 68.731074] __kmalloc+0x2f0/0x7a0 [ 68.734627] ? __list_lru_init+0x6b/0x660 [ 68.739045] __list_lru_init+0x6b/0x660 [ 68.743032] sget_userns+0x500/0xc30 [ 68.746753] ? set_anon_super+0x20/0x20 [ 68.753369] ? get_empty_filp.cold+0x3b/0x3b [ 68.757782] mount_ns+0x6d/0x190 [ 68.761236] ? nfsd_mount+0xd0/0xd0 [ 68.765042] nfsd_mount+0xa4/0xd0 [ 68.768512] mount_fs+0x97/0x2a1 [ 68.771910] vfs_kern_mount.part.0+0x5e/0x3d0 [ 68.776426] do_mount+0x417/0x27d0 [ 68.780060] ? copy_mount_string+0x40/0x40 [ 68.784301] ? memdup_user+0x58/0xa0 [ 68.788006] ? copy_mount_options+0x1fe/0x2f0 [ 68.792497] SyS_mount+0xab/0x120 [ 68.795943] ? copy_mnt_ns+0x8c0/0x8c0 [ 68.799841] do_syscall_64+0x1e8/0x640 [ 68.803728] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 68.808571] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 68.813754] RIP: 0033:0x441629 [ 68.816936] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 executing program [ 68.824637] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 68.831895] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 68.839176] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 68.846450] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 68.853736] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 68.865690] FAULT_INJECTION: forcing a failure. [ 68.865690] name failslab, interval 1, probability 0, space 0, times 0 [ 68.877075] CPU: 1 PID: 6974 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 68.884171] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.893515] Call Trace: [ 68.896114] dump_stack+0x138/0x19c [ 68.899737] should_fail.cold+0x10f/0x159 [ 68.903895] should_failslab+0xdb/0x130 [ 68.907874] __kmalloc+0x2f0/0x7a0 [ 68.911406] ? __list_lru_init+0x6b/0x660 [ 68.915551] __list_lru_init+0x6b/0x660 [ 68.919529] sget_userns+0x4e0/0xc30 [ 68.923251] ? set_anon_super+0x20/0x20 [ 68.927224] ? get_empty_filp.cold+0x3b/0x3b [ 68.931616] mount_ns+0x6d/0x190 [ 68.934982] ? nfsd_mount+0xd0/0xd0 [ 68.938778] nfsd_mount+0xa4/0xd0 [ 68.942228] mount_fs+0x97/0x2a1 [ 68.945586] vfs_kern_mount.part.0+0x5e/0x3d0 [ 68.950067] do_mount+0x417/0x27d0 [ 68.953596] ? copy_mount_string+0x40/0x40 [ 68.958122] ? memdup_user+0x58/0xa0 [ 68.961825] ? copy_mount_options+0x1fe/0x2f0 [ 68.966311] SyS_mount+0xab/0x120 [ 68.969789] ? copy_mnt_ns+0x8c0/0x8c0 [ 68.973694] do_syscall_64+0x1e8/0x640 [ 68.977576] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 68.982412] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 68.987607] RIP: 0033:0x441629 [ 68.990778] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 68.998485] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 69.005745] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 69.013026] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 executing program [ 69.020293] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 69.027558] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 69.039861] FAULT_INJECTION: forcing a failure. [ 69.039861] name failslab, interval 1, probability 0, space 0, times 0 [ 69.051279] CPU: 0 PID: 6975 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 69.058376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.067724] Call Trace: [ 69.070318] dump_stack+0x138/0x19c [ 69.073944] should_fail.cold+0x10f/0x159 [ 69.078090] should_failslab+0xdb/0x130 [ 69.082055] __kmalloc+0x2f0/0x7a0 [ 69.085585] ? __list_lru_init+0x6b/0x660 [ 69.089719] __list_lru_init+0x6b/0x660 [ 69.093686] sget_userns+0x500/0xc30 [ 69.097395] ? set_anon_super+0x20/0x20 [ 69.101400] ? get_empty_filp.cold+0x3b/0x3b [ 69.105807] mount_ns+0x6d/0x190 [ 69.109184] ? nfsd_mount+0xd0/0xd0 [ 69.112839] nfsd_mount+0xa4/0xd0 [ 69.116371] mount_fs+0x97/0x2a1 [ 69.119724] vfs_kern_mount.part.0+0x5e/0x3d0 [ 69.124227] do_mount+0x417/0x27d0 [ 69.127754] ? copy_mount_string+0x40/0x40 [ 69.131987] ? memdup_user+0x58/0xa0 [ 69.135691] ? copy_mount_options+0x1fe/0x2f0 [ 69.140185] SyS_mount+0xab/0x120 [ 69.143633] ? copy_mnt_ns+0x8c0/0x8c0 [ 69.147512] do_syscall_64+0x1e8/0x640 [ 69.151391] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 69.156231] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 69.161434] RIP: 0033:0x441629 [ 69.164613] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 executing program [ 69.172487] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 69.179748] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 69.187012] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 69.194311] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 69.201855] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 69.215501] FAULT_INJECTION: forcing a failure. [ 69.215501] name failslab, interval 1, probability 0, space 0, times 0 [ 69.226803] CPU: 1 PID: 6976 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 69.233947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.243299] Call Trace: [ 69.245891] dump_stack+0x138/0x19c [ 69.249627] should_fail.cold+0x10f/0x159 [ 69.253774] should_failslab+0xdb/0x130 [ 69.257778] __kmalloc+0x2f0/0x7a0 [ 69.261313] ? __list_lru_init+0x6b/0x660 [ 69.265500] __list_lru_init+0x6b/0x660 [ 69.269571] sget_userns+0x500/0xc30 [ 69.273289] ? set_anon_super+0x20/0x20 [ 69.277267] ? get_empty_filp.cold+0x3b/0x3b [ 69.281677] mount_ns+0x6d/0x190 [ 69.285037] ? nfsd_mount+0xd0/0xd0 [ 69.288657] nfsd_mount+0xa4/0xd0 [ 69.292126] mount_fs+0x97/0x2a1 [ 69.295519] vfs_kern_mount.part.0+0x5e/0x3d0 [ 69.300012] do_mount+0x417/0x27d0 [ 69.303552] ? copy_mount_string+0x40/0x40 [ 69.307777] ? memdup_user+0x58/0xa0 [ 69.311476] ? copy_mount_options+0x1fe/0x2f0 [ 69.315961] SyS_mount+0xab/0x120 [ 69.319398] ? copy_mnt_ns+0x8c0/0x8c0 [ 69.323280] do_syscall_64+0x1e8/0x640 [ 69.339572] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 69.344414] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 69.349597] RIP: 0033:0x441629 [ 69.352771] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 69.360469] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 69.367748] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 executing program [ 69.375008] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 69.382300] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 69.389570] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 69.402248] FAULT_INJECTION: forcing a failure. [ 69.402248] name failslab, interval 1, probability 0, space 0, times 0 [ 69.413585] CPU: 1 PID: 6977 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 69.420688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.430037] Call Trace: [ 69.432629] dump_stack+0x138/0x19c [ 69.436243] should_fail.cold+0x10f/0x159 [ 69.440384] should_failslab+0xdb/0x130 [ 69.444357] __kmalloc+0x2f0/0x7a0 [ 69.447909] ? __list_lru_init+0x6b/0x660 [ 69.452047] __list_lru_init+0x6b/0x660 [ 69.456033] sget_userns+0x500/0xc30 [ 69.459734] ? set_anon_super+0x20/0x20 [ 69.463690] ? get_empty_filp.cold+0x3b/0x3b [ 69.468091] mount_ns+0x6d/0x190 [ 69.471485] ? nfsd_mount+0xd0/0xd0 [ 69.475103] nfsd_mount+0xa4/0xd0 [ 69.478545] mount_fs+0x97/0x2a1 [ 69.481993] vfs_kern_mount.part.0+0x5e/0x3d0 [ 69.486499] do_mount+0x417/0x27d0 [ 69.490031] ? copy_mount_string+0x40/0x40 [ 69.494479] ? memdup_user+0x58/0xa0 [ 69.498178] ? copy_mount_options+0x1fe/0x2f0 [ 69.502660] SyS_mount+0xab/0x120 [ 69.506108] ? copy_mnt_ns+0x8c0/0x8c0 [ 69.509989] do_syscall_64+0x1e8/0x640 [ 69.513892] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 69.518735] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 69.523941] RIP: 0033:0x441629 executing program [ 69.527124] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 69.534818] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 69.542077] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 69.549354] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 69.556660] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 69.563959] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 69.576285] FAULT_INJECTION: forcing a failure. [ 69.576285] name failslab, interval 1, probability 0, space 0, times 0 [ 69.587556] CPU: 1 PID: 6978 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 69.594662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.604011] Call Trace: [ 69.606594] dump_stack+0x138/0x19c [ 69.610209] should_fail.cold+0x10f/0x159 [ 69.614351] should_failslab+0xdb/0x130 [ 69.618319] __kmalloc+0x2f0/0x7a0 [ 69.621841] ? __list_lru_init+0x6b/0x660 [ 69.625969] __list_lru_init+0x6b/0x660 [ 69.629927] sget_userns+0x500/0xc30 [ 69.633627] ? set_anon_super+0x20/0x20 [ 69.637584] ? get_empty_filp.cold+0x3b/0x3b [ 69.641987] mount_ns+0x6d/0x190 [ 69.645336] ? nfsd_mount+0xd0/0xd0 [ 69.648977] nfsd_mount+0xa4/0xd0 [ 69.652471] mount_fs+0x97/0x2a1 [ 69.655828] vfs_kern_mount.part.0+0x5e/0x3d0 [ 69.660313] do_mount+0x417/0x27d0 [ 69.663842] ? copy_mount_string+0x40/0x40 [ 69.668076] ? memdup_user+0x58/0xa0 [ 69.671772] ? copy_mount_options+0x1fe/0x2f0 [ 69.676253] SyS_mount+0xab/0x120 [ 69.679686] ? copy_mnt_ns+0x8c0/0x8c0 [ 69.683561] do_syscall_64+0x1e8/0x640 [ 69.687433] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 69.692490] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 69.698028] RIP: 0033:0x441629 [ 69.701206] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 69.708899] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 69.716161] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 executing program [ 69.723420] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 69.730706] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 69.737963] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 69.750411] FAULT_INJECTION: forcing a failure. [ 69.750411] name failslab, interval 1, probability 0, space 0, times 0 [ 69.761942] CPU: 0 PID: 6979 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 69.769047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.778748] Call Trace: [ 69.781329] dump_stack+0x138/0x19c [ 69.784955] should_fail.cold+0x10f/0x159 [ 69.789094] should_failslab+0xdb/0x130 [ 69.793061] __kmalloc+0x2f0/0x7a0 [ 69.796591] ? __list_lru_init+0x6b/0x660 [ 69.800725] __list_lru_init+0x6b/0x660 [ 69.804685] sget_userns+0x500/0xc30 [ 69.808393] ? set_anon_super+0x20/0x20 [ 69.812364] ? get_empty_filp.cold+0x3b/0x3b [ 69.816756] mount_ns+0x6d/0x190 [ 69.820115] ? nfsd_mount+0xd0/0xd0 [ 69.823754] nfsd_mount+0xa4/0xd0 [ 69.827213] mount_fs+0x97/0x2a1 [ 69.830582] vfs_kern_mount.part.0+0x5e/0x3d0 [ 69.835075] do_mount+0x417/0x27d0 [ 69.838597] ? copy_mount_string+0x40/0x40 [ 69.842816] ? memdup_user+0x58/0xa0 [ 69.846512] ? copy_mount_options+0x1fe/0x2f0 [ 69.850991] SyS_mount+0xab/0x120 [ 69.854425] ? copy_mnt_ns+0x8c0/0x8c0 [ 69.858299] do_syscall_64+0x1e8/0x640 [ 69.862191] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 69.867047] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 69.872257] RIP: 0033:0x441629 executing program [ 69.875439] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 69.883140] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 69.890398] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 69.897660] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 69.904933] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 69.912211] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 69.925072] FAULT_INJECTION: forcing a failure. [ 69.925072] name failslab, interval 1, probability 0, space 0, times 0 [ 69.936347] CPU: 1 PID: 6980 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 69.943463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.952801] Call Trace: [ 69.955389] dump_stack+0x138/0x19c [ 69.959009] should_fail.cold+0x10f/0x159 [ 69.963184] should_failslab+0xdb/0x130 [ 69.967147] __kmalloc+0x2f0/0x7a0 [ 69.971069] ? __list_lru_init+0x6b/0x660 [ 69.975215] __list_lru_init+0x6b/0x660 [ 69.979185] sget_userns+0x500/0xc30 [ 69.982891] ? set_anon_super+0x20/0x20 [ 69.986870] ? get_empty_filp.cold+0x3b/0x3b [ 69.991276] mount_ns+0x6d/0x190 [ 69.994632] ? nfsd_mount+0xd0/0xd0 [ 69.998242] nfsd_mount+0xa4/0xd0 [ 70.001683] mount_fs+0x97/0x2a1 [ 70.005038] vfs_kern_mount.part.0+0x5e/0x3d0 [ 70.009521] do_mount+0x417/0x27d0 [ 70.013044] ? copy_mount_string+0x40/0x40 [ 70.017264] ? memdup_user+0x58/0xa0 [ 70.020961] ? copy_mount_options+0x1fe/0x2f0 [ 70.025437] SyS_mount+0xab/0x120 [ 70.028891] ? copy_mnt_ns+0x8c0/0x8c0 [ 70.032763] do_syscall_64+0x1e8/0x640 [ 70.036629] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 70.041463] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 70.046634] RIP: 0033:0x441629 [ 70.049804] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 70.057501] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 70.064756] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 70.072013] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 executing program [ 70.079275] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 70.086559] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 70.098822] FAULT_INJECTION: forcing a failure. [ 70.098822] name failslab, interval 1, probability 0, space 0, times 0 [ 70.110232] CPU: 0 PID: 6981 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 70.117330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.126719] Call Trace: [ 70.129356] dump_stack+0x138/0x19c [ 70.132979] should_fail.cold+0x10f/0x159 [ 70.137119] should_failslab+0xdb/0x130 [ 70.141084] __kmalloc+0x2f0/0x7a0 [ 70.144620] ? __list_lru_init+0x6b/0x660 [ 70.148755] __list_lru_init+0x6b/0x660 [ 70.152779] sget_userns+0x500/0xc30 [ 70.156483] ? set_anon_super+0x20/0x20 [ 70.160445] ? get_empty_filp.cold+0x3b/0x3b [ 70.164851] mount_ns+0x6d/0x190 [ 70.168205] ? nfsd_mount+0xd0/0xd0 [ 70.171822] nfsd_mount+0xa4/0xd0 [ 70.175271] mount_fs+0x97/0x2a1 [ 70.178631] vfs_kern_mount.part.0+0x5e/0x3d0 [ 70.183131] do_mount+0x417/0x27d0 [ 70.186693] ? copy_mount_string+0x40/0x40 [ 70.190927] ? memdup_user+0x58/0xa0 [ 70.194639] ? copy_mount_options+0x1fe/0x2f0 [ 70.199128] SyS_mount+0xab/0x120 [ 70.202569] ? copy_mnt_ns+0x8c0/0x8c0 [ 70.206471] do_syscall_64+0x1e8/0x640 [ 70.210374] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 70.215240] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 70.220447] RIP: 0033:0x441629 [ 70.223655] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 executing program [ 70.231624] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 70.238912] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 70.246183] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 70.253446] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 70.260720] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 70.274206] FAULT_INJECTION: forcing a failure. [ 70.274206] name failslab, interval 1, probability 0, space 0, times 0 [ 70.285797] CPU: 0 PID: 6982 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 70.292907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.302251] Call Trace: [ 70.304847] dump_stack+0x138/0x19c [ 70.308476] should_fail.cold+0x10f/0x159 [ 70.312624] should_failslab+0xdb/0x130 [ 70.316602] __kmalloc+0x2f0/0x7a0 [ 70.320163] ? __list_lru_init+0x6b/0x660 [ 70.324331] __list_lru_init+0x6b/0x660 [ 70.328300] sget_userns+0x4e0/0xc30 [ 70.332005] ? set_anon_super+0x20/0x20 [ 70.335987] ? get_empty_filp.cold+0x3b/0x3b [ 70.340470] mount_ns+0x6d/0x190 [ 70.343824] ? nfsd_mount+0xd0/0xd0 [ 70.347438] nfsd_mount+0xa4/0xd0 [ 70.350876] mount_fs+0x97/0x2a1 [ 70.354278] vfs_kern_mount.part.0+0x5e/0x3d0 [ 70.358779] do_mount+0x417/0x27d0 [ 70.362303] ? copy_mount_string+0x40/0x40 [ 70.366524] ? memdup_user+0x58/0xa0 [ 70.370220] ? copy_mount_options+0x1fe/0x2f0 [ 70.374700] SyS_mount+0xab/0x120 [ 70.378159] ? copy_mnt_ns+0x8c0/0x8c0 [ 70.382040] do_syscall_64+0x1e8/0x640 [ 70.385911] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 70.390747] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 70.396018] RIP: 0033:0x441629 [ 70.399195] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 70.406893] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 70.414156] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 70.421424] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 executing program [ 70.428696] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 70.436001] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 70.448280] FAULT_INJECTION: forcing a failure. [ 70.448280] name failslab, interval 1, probability 0, space 0, times 0 [ 70.459966] CPU: 1 PID: 6983 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 70.467142] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.476480] Call Trace: [ 70.479054] dump_stack+0x138/0x19c [ 70.482668] should_fail.cold+0x10f/0x159 [ 70.486969] should_failslab+0xdb/0x130 [ 70.490937] __kmalloc+0x2f0/0x7a0 [ 70.494467] ? __list_lru_init+0x6b/0x660 [ 70.498594] __list_lru_init+0x6b/0x660 [ 70.502554] sget_userns+0x500/0xc30 [ 70.506247] ? set_anon_super+0x20/0x20 [ 70.510202] ? get_empty_filp.cold+0x3b/0x3b [ 70.514598] mount_ns+0x6d/0x190 [ 70.517963] ? nfsd_mount+0xd0/0xd0 [ 70.521792] nfsd_mount+0xa4/0xd0 [ 70.525323] mount_fs+0x97/0x2a1 [ 70.528800] vfs_kern_mount.part.0+0x5e/0x3d0 [ 70.533288] do_mount+0x417/0x27d0 [ 70.536813] ? copy_mount_string+0x40/0x40 [ 70.541124] ? memdup_user+0x58/0xa0 [ 70.544820] ? copy_mount_options+0x1fe/0x2f0 [ 70.549303] SyS_mount+0xab/0x120 [ 70.552741] ? copy_mnt_ns+0x8c0/0x8c0 [ 70.556619] do_syscall_64+0x1e8/0x640 [ 70.560598] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 70.565475] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 70.571187] RIP: 0033:0x441629 [ 70.574390] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 executing program [ 70.582114] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 70.589383] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 70.596663] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 70.603939] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 70.611210] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 70.624108] FAULT_INJECTION: forcing a failure. [ 70.624108] name failslab, interval 1, probability 0, space 0, times 0 [ 70.635694] CPU: 0 PID: 6984 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 70.643136] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.652491] Call Trace: [ 70.655076] dump_stack+0x138/0x19c [ 70.658698] should_fail.cold+0x10f/0x159 [ 70.662850] should_failslab+0xdb/0x130 [ 70.666847] __kmalloc+0x2f0/0x7a0 [ 70.670380] ? __list_lru_init+0x6b/0x660 [ 70.674524] __list_lru_init+0x6b/0x660 [ 70.678484] sget_userns+0x500/0xc30 [ 70.682189] ? set_anon_super+0x20/0x20 [ 70.686169] ? get_empty_filp.cold+0x3b/0x3b [ 70.690560] mount_ns+0x6d/0x190 [ 70.693916] ? nfsd_mount+0xd0/0xd0 [ 70.697549] nfsd_mount+0xa4/0xd0 [ 70.700999] mount_fs+0x97/0x2a1 [ 70.704350] vfs_kern_mount.part.0+0x5e/0x3d0 [ 70.708843] do_mount+0x417/0x27d0 [ 70.712369] ? copy_mount_string+0x40/0x40 [ 70.717128] ? memdup_user+0x58/0xa0 [ 70.721270] ? copy_mount_options+0x1fe/0x2f0 [ 70.725779] SyS_mount+0xab/0x120 [ 70.729357] ? copy_mnt_ns+0x8c0/0x8c0 [ 70.733259] do_syscall_64+0x1e8/0x640 [ 70.737169] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 70.742006] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 70.747177] RIP: 0033:0x441629 [ 70.750443] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 70.758140] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 70.767444] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 70.774706] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 executing program [ 70.781971] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 70.789226] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 70.801946] FAULT_INJECTION: forcing a failure. [ 70.801946] name failslab, interval 1, probability 0, space 0, times 0 [ 70.813204] CPU: 1 PID: 6985 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 70.821734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.831357] Call Trace: [ 70.833938] dump_stack+0x138/0x19c [ 70.837557] should_fail.cold+0x10f/0x159 [ 70.841869] should_failslab+0xdb/0x130 [ 70.845837] __kmalloc+0x2f0/0x7a0 [ 70.849384] ? __list_lru_init+0x6b/0x660 [ 70.853515] __list_lru_init+0x6b/0x660 [ 70.857486] sget_userns+0x500/0xc30 [ 70.861184] ? set_anon_super+0x20/0x20 [ 70.865145] ? get_empty_filp.cold+0x3b/0x3b [ 70.869546] mount_ns+0x6d/0x190 [ 70.872897] ? nfsd_mount+0xd0/0xd0 [ 70.876509] nfsd_mount+0xa4/0xd0 [ 70.879948] mount_fs+0x97/0x2a1 [ 70.883308] vfs_kern_mount.part.0+0x5e/0x3d0 [ 70.887795] do_mount+0x417/0x27d0 [ 70.891536] ? copy_mount_string+0x40/0x40 [ 70.895772] ? memdup_user+0x58/0xa0 [ 70.899474] ? copy_mount_options+0x1fe/0x2f0 [ 70.903974] SyS_mount+0xab/0x120 [ 70.907423] ? copy_mnt_ns+0x8c0/0x8c0 [ 70.911296] do_syscall_64+0x1e8/0x640 [ 70.915173] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 70.920191] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 70.925366] RIP: 0033:0x441629 executing program [ 70.928538] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 70.936339] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 70.943598] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 70.950887] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 70.958155] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 70.965445] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 70.978182] FAULT_INJECTION: forcing a failure. [ 70.978182] name failslab, interval 1, probability 0, space 0, times 0 [ 70.989594] CPU: 0 PID: 6986 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 70.996708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.006134] Call Trace: [ 71.008727] dump_stack+0x138/0x19c [ 71.012357] should_fail.cold+0x10f/0x159 [ 71.016593] should_failslab+0xdb/0x130 [ 71.020587] __kmalloc+0x2f0/0x7a0 [ 71.024124] ? __list_lru_init+0x6b/0x660 [ 71.028267] __list_lru_init+0x6b/0x660 [ 71.032321] sget_userns+0x500/0xc30 [ 71.036137] ? set_anon_super+0x20/0x20 [ 71.040102] ? get_empty_filp.cold+0x3b/0x3b [ 71.044502] mount_ns+0x6d/0x190 [ 71.047856] ? nfsd_mount+0xd0/0xd0 [ 71.051485] nfsd_mount+0xa4/0xd0 [ 71.054926] mount_fs+0x97/0x2a1 [ 71.058285] vfs_kern_mount.part.0+0x5e/0x3d0 [ 71.062770] do_mount+0x417/0x27d0 [ 71.066320] ? copy_mount_string+0x40/0x40 [ 71.070546] ? memdup_user+0x58/0xa0 [ 71.074260] ? copy_mount_options+0x1fe/0x2f0 [ 71.078759] SyS_mount+0xab/0x120 [ 71.082244] ? copy_mnt_ns+0x8c0/0x8c0 [ 71.086895] do_syscall_64+0x1e8/0x640 [ 71.090774] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 71.095639] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 71.100834] RIP: 0033:0x441629 [ 71.104034] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 71.111762] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 71.119033] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 71.126325] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 executing program [ 71.141015] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 71.148282] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 71.164282] FAULT_INJECTION: forcing a failure. [ 71.164282] name failslab, interval 1, probability 0, space 0, times 0 [ 71.176060] CPU: 0 PID: 6987 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 71.183182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.192666] Call Trace: [ 71.195255] dump_stack+0x138/0x19c [ 71.198880] should_fail.cold+0x10f/0x159 [ 71.203032] should_failslab+0xdb/0x130 [ 71.207007] __kmalloc+0x2f0/0x7a0 [ 71.210565] ? __list_lru_init+0x6b/0x660 [ 71.214702] __list_lru_init+0x6b/0x660 [ 71.218682] sget_userns+0x500/0xc30 [ 71.222383] ? set_anon_super+0x20/0x20 [ 71.226351] ? get_empty_filp.cold+0x3b/0x3b [ 71.230768] mount_ns+0x6d/0x190 [ 71.234131] ? nfsd_mount+0xd0/0xd0 [ 71.237775] nfsd_mount+0xa4/0xd0 [ 71.241220] mount_fs+0x97/0x2a1 [ 71.244585] vfs_kern_mount.part.0+0x5e/0x3d0 [ 71.249070] do_mount+0x417/0x27d0 [ 71.252629] ? copy_mount_string+0x40/0x40 [ 71.256865] ? memdup_user+0x58/0xa0 [ 71.260574] ? copy_mount_options+0x1fe/0x2f0 [ 71.265072] SyS_mount+0xab/0x120 [ 71.268543] ? copy_mnt_ns+0x8c0/0x8c0 [ 71.272855] do_syscall_64+0x1e8/0x640 [ 71.285024] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 71.294355] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 71.299556] RIP: 0033:0x441629 [ 71.303603] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 71.311490] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 71.318946] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 executing program [ 71.336345] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 71.343806] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 71.351070] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 71.363308] FAULT_INJECTION: forcing a failure. [ 71.363308] name failslab, interval 1, probability 0, space 0, times 0 [ 71.374718] CPU: 0 PID: 6988 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 71.382104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.391915] Call Trace: [ 71.394558] dump_stack+0x138/0x19c [ 71.398236] should_fail.cold+0x10f/0x159 [ 71.402415] should_failslab+0xdb/0x130 [ 71.408414] __kmalloc+0x2f0/0x7a0 [ 71.411990] ? __list_lru_init+0x6b/0x660 [ 71.416143] __list_lru_init+0x6b/0x660 [ 71.420109] sget_userns+0x500/0xc30 [ 71.423834] ? set_anon_super+0x20/0x20 [ 71.427826] ? get_empty_filp.cold+0x3b/0x3b [ 71.432224] mount_ns+0x6d/0x190 [ 71.435575] ? nfsd_mount+0xd0/0xd0 [ 71.439200] nfsd_mount+0xa4/0xd0 [ 71.442635] mount_fs+0x97/0x2a1 [ 71.445991] vfs_kern_mount.part.0+0x5e/0x3d0 [ 71.450469] do_mount+0x417/0x27d0 [ 71.453993] ? copy_mount_string+0x40/0x40 [ 71.458212] ? memdup_user+0x58/0xa0 [ 71.461996] ? copy_mount_options+0x1fe/0x2f0 [ 71.466512] SyS_mount+0xab/0x120 [ 71.469958] ? copy_mnt_ns+0x8c0/0x8c0 [ 71.473834] do_syscall_64+0x1e8/0x640 [ 71.477702] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 71.482572] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 71.487754] RIP: 0033:0x441629 executing program [ 71.490980] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 71.498684] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 71.506075] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 71.513639] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 71.520919] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 71.528203] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 71.542036] FAULT_INJECTION: forcing a failure. [ 71.542036] name failslab, interval 1, probability 0, space 0, times 0 [ 71.553441] CPU: 1 PID: 6989 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 71.560580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.569925] Call Trace: [ 71.572510] dump_stack+0x138/0x19c [ 71.576142] should_fail.cold+0x10f/0x159 [ 71.580289] should_failslab+0xdb/0x130 [ 71.584276] __kmalloc+0x2f0/0x7a0 [ 71.587830] ? __list_lru_init+0x6b/0x660 [ 71.592005] __list_lru_init+0x6b/0x660 [ 71.595978] sget_userns+0x500/0xc30 [ 71.599684] ? set_anon_super+0x20/0x20 [ 71.603759] ? get_empty_filp.cold+0x3b/0x3b [ 71.608161] mount_ns+0x6d/0x190 [ 71.611617] ? nfsd_mount+0xd0/0xd0 [ 71.615326] nfsd_mount+0xa4/0xd0 [ 71.618772] mount_fs+0x97/0x2a1 [ 71.622134] vfs_kern_mount.part.0+0x5e/0x3d0 [ 71.626650] do_mount+0x417/0x27d0 [ 71.630185] ? copy_mount_string+0x40/0x40 [ 71.634413] ? memdup_user+0x58/0xa0 [ 71.638123] ? copy_mount_options+0x1fe/0x2f0 [ 71.642620] SyS_mount+0xab/0x120 [ 71.646079] ? copy_mnt_ns+0x8c0/0x8c0 [ 71.649963] do_syscall_64+0x1e8/0x640 [ 71.653857] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 71.658798] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 71.663986] RIP: 0033:0x441629 [ 71.667170] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 71.674871] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 71.682138] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 executing program [ 71.689404] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 71.696667] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 71.704016] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 71.716448] FAULT_INJECTION: forcing a failure. [ 71.716448] name failslab, interval 1, probability 0, space 0, times 0 [ 71.727831] CPU: 0 PID: 6990 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 71.735019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.744396] Call Trace: [ 71.747005] dump_stack+0x138/0x19c [ 71.750737] should_fail.cold+0x10f/0x159 [ 71.754882] should_failslab+0xdb/0x130 [ 71.758846] __kmalloc+0x2f0/0x7a0 [ 71.762402] ? __list_lru_init+0x6b/0x660 [ 71.766579] __list_lru_init+0x6b/0x660 [ 71.770557] sget_userns+0x500/0xc30 [ 71.774261] ? set_anon_super+0x20/0x20 [ 71.778250] ? get_empty_filp.cold+0x3b/0x3b [ 71.782670] mount_ns+0x6d/0x190 [ 71.786115] ? nfsd_mount+0xd0/0xd0 [ 71.789754] nfsd_mount+0xa4/0xd0 [ 71.793198] mount_fs+0x97/0x2a1 [ 71.796557] vfs_kern_mount.part.0+0x5e/0x3d0 [ 71.801055] do_mount+0x417/0x27d0 [ 71.804598] ? copy_mount_string+0x40/0x40 [ 71.808823] ? memdup_user+0x58/0xa0 [ 71.812633] ? copy_mount_options+0x1fe/0x2f0 [ 71.817126] SyS_mount+0xab/0x120 [ 71.820574] ? copy_mnt_ns+0x8c0/0x8c0 [ 71.824453] do_syscall_64+0x1e8/0x640 [ 71.828346] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 71.833184] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 71.838371] RIP: 0033:0x441629 executing program [ 71.841565] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 71.849284] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 71.856566] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 71.863836] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 71.871121] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 71.878404] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 71.891145] FAULT_INJECTION: forcing a failure. [ 71.891145] name failslab, interval 1, probability 0, space 0, times 0 [ 71.902502] CPU: 1 PID: 6991 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 71.909606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.918953] Call Trace: [ 71.921578] dump_stack+0x138/0x19c [ 71.925285] should_fail.cold+0x10f/0x159 [ 71.929640] should_failslab+0xdb/0x130 [ 71.933613] __kmalloc+0x2f0/0x7a0 [ 71.937142] ? __list_lru_init+0x6b/0x660 [ 71.941286] __list_lru_init+0x6b/0x660 [ 71.945363] sget_userns+0x4e0/0xc30 [ 71.949088] ? set_anon_super+0x20/0x20 [ 71.953082] ? get_empty_filp.cold+0x3b/0x3b [ 71.957494] mount_ns+0x6d/0x190 [ 71.960849] ? nfsd_mount+0xd0/0xd0 [ 71.964469] nfsd_mount+0xa4/0xd0 [ 71.967930] mount_fs+0x97/0x2a1 [ 71.971482] vfs_kern_mount.part.0+0x5e/0x3d0 [ 71.976138] do_mount+0x417/0x27d0 [ 71.979675] ? copy_mount_string+0x40/0x40 [ 71.983903] ? memdup_user+0x58/0xa0 [ 71.987625] ? copy_mount_options+0x1fe/0x2f0 [ 71.992122] SyS_mount+0xab/0x120 [ 71.995985] ? copy_mnt_ns+0x8c0/0x8c0 [ 71.999905] do_syscall_64+0x1e8/0x640 [ 72.003787] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 72.008655] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 72.014383] RIP: 0033:0x441629 [ 72.017685] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 72.025388] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 72.032647] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 executing program [ 72.040098] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 72.047615] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 72.054881] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 72.067327] FAULT_INJECTION: forcing a failure. [ 72.067327] name failslab, interval 1, probability 0, space 0, times 0 [ 72.078702] CPU: 0 PID: 6992 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 72.085801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.095149] Call Trace: [ 72.097737] dump_stack+0x138/0x19c [ 72.101441] should_fail.cold+0x10f/0x159 [ 72.105591] should_failslab+0xdb/0x130 [ 72.110090] __kmalloc+0x2f0/0x7a0 [ 72.113626] ? __list_lru_init+0x6b/0x660 [ 72.117765] __list_lru_init+0x6b/0x660 [ 72.121742] sget_userns+0x500/0xc30 [ 72.125443] ? set_anon_super+0x20/0x20 [ 72.129437] ? get_empty_filp.cold+0x3b/0x3b [ 72.134007] mount_ns+0x6d/0x190 [ 72.137361] ? nfsd_mount+0xd0/0xd0 [ 72.140992] nfsd_mount+0xa4/0xd0 [ 72.144438] mount_fs+0x97/0x2a1 [ 72.147811] vfs_kern_mount.part.0+0x5e/0x3d0 [ 72.152304] do_mount+0x417/0x27d0 [ 72.155842] ? copy_mount_string+0x40/0x40 [ 72.160099] ? memdup_user+0x58/0xa0 [ 72.163821] ? copy_mount_options+0x1fe/0x2f0 [ 72.168308] SyS_mount+0xab/0x120 [ 72.171755] ? copy_mnt_ns+0x8c0/0x8c0 [ 72.175916] do_syscall_64+0x1e8/0x640 [ 72.179797] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 72.184642] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 72.190305] RIP: 0033:0x441629 executing program [ 72.193491] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 72.201216] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 72.208479] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 72.215872] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 72.223141] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 72.230407] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 72.243156] FAULT_INJECTION: forcing a failure. [ 72.243156] name failslab, interval 1, probability 0, space 0, times 0 [ 72.254584] CPU: 0 PID: 6993 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 72.261695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.271055] Call Trace: [ 72.273640] dump_stack+0x138/0x19c [ 72.277274] should_fail.cold+0x10f/0x159 [ 72.281436] should_failslab+0xdb/0x130 [ 72.285500] __kmalloc+0x2f0/0x7a0 [ 72.289037] ? __list_lru_init+0x6b/0x660 [ 72.293192] __list_lru_init+0x6b/0x660 [ 72.297166] sget_userns+0x500/0xc30 [ 72.300871] ? set_anon_super+0x20/0x20 [ 72.304851] ? get_empty_filp.cold+0x3b/0x3b [ 72.309256] mount_ns+0x6d/0x190 [ 72.312613] ? nfsd_mount+0xd0/0xd0 [ 72.316229] nfsd_mount+0xa4/0xd0 [ 72.319795] mount_fs+0x97/0x2a1 [ 72.323179] vfs_kern_mount.part.0+0x5e/0x3d0 [ 72.327698] do_mount+0x417/0x27d0 [ 72.331602] ? copy_mount_string+0x40/0x40 [ 72.335832] ? memdup_user+0x58/0xa0 [ 72.339564] ? copy_mount_options+0x1fe/0x2f0 [ 72.344074] SyS_mount+0xab/0x120 [ 72.347536] ? copy_mnt_ns+0x8c0/0x8c0 [ 72.351435] do_syscall_64+0x1e8/0x640 [ 72.355587] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 72.360459] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 72.365671] RIP: 0033:0x441629 [ 72.368877] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 72.376583] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 72.383967] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 executing program [ 72.391788] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 72.399058] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 72.406425] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 72.419397] FAULT_INJECTION: forcing a failure. [ 72.419397] name failslab, interval 1, probability 0, space 0, times 0 [ 72.431306] CPU: 1 PID: 6994 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 72.438411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.447757] Call Trace: [ 72.450347] dump_stack+0x138/0x19c [ 72.454024] should_fail.cold+0x10f/0x159 [ 72.458888] should_failslab+0xdb/0x130 [ 72.462856] __kmalloc+0x2f0/0x7a0 [ 72.466388] ? __list_lru_init+0x6b/0x660 [ 72.470545] __list_lru_init+0x6b/0x660 [ 72.474512] sget_userns+0x500/0xc30 [ 72.478213] ? set_anon_super+0x20/0x20 [ 72.482182] ? get_empty_filp.cold+0x3b/0x3b [ 72.486583] mount_ns+0x6d/0x190 [ 72.489944] ? nfsd_mount+0xd0/0xd0 [ 72.493559] nfsd_mount+0xa4/0xd0 [ 72.496997] mount_fs+0x97/0x2a1 [ 72.500368] vfs_kern_mount.part.0+0x5e/0x3d0 [ 72.504852] do_mount+0x417/0x27d0 [ 72.508494] ? copy_mount_string+0x40/0x40 [ 72.512789] ? memdup_user+0x58/0xa0 [ 72.516493] ? copy_mount_options+0x1fe/0x2f0 [ 72.520981] SyS_mount+0xab/0x120 [ 72.524694] ? copy_mnt_ns+0x8c0/0x8c0 [ 72.528744] do_syscall_64+0x1e8/0x640 [ 72.532623] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 72.537631] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 72.542830] RIP: 0033:0x441629 executing program [ 72.546014] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 72.553793] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 72.561053] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 72.568709] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 72.576335] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 72.583735] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 72.597092] FAULT_INJECTION: forcing a failure. [ 72.597092] name failslab, interval 1, probability 0, space 0, times 0 [ 72.608376] CPU: 0 PID: 6995 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 72.615494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.624847] Call Trace: [ 72.627450] dump_stack+0x138/0x19c [ 72.631084] should_fail.cold+0x10f/0x159 [ 72.635250] should_failslab+0xdb/0x130 [ 72.639227] __kmalloc+0x2f0/0x7a0 [ 72.642945] ? __list_lru_init+0x6b/0x660 [ 72.647116] __list_lru_init+0x6b/0x660 [ 72.651106] sget_userns+0x4e0/0xc30 [ 72.654898] ? set_anon_super+0x20/0x20 [ 72.658876] ? get_empty_filp.cold+0x3b/0x3b [ 72.663277] mount_ns+0x6d/0x190 [ 72.666638] ? nfsd_mount+0xd0/0xd0 [ 72.670252] nfsd_mount+0xa4/0xd0 [ 72.673722] mount_fs+0x97/0x2a1 [ 72.677115] vfs_kern_mount.part.0+0x5e/0x3d0 [ 72.681608] do_mount+0x417/0x27d0 [ 72.685139] ? copy_mount_string+0x40/0x40 [ 72.689363] ? memdup_user+0x58/0xa0 [ 72.693069] ? copy_mount_options+0x1fe/0x2f0 [ 72.697855] SyS_mount+0xab/0x120 [ 72.701309] ? copy_mnt_ns+0x8c0/0x8c0 [ 72.705209] do_syscall_64+0x1e8/0x640 [ 72.709085] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 72.714007] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 72.719182] RIP: 0033:0x441629 [ 72.722378] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 72.730230] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 72.737491] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 executing program [ 72.744749] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 72.752006] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 72.759274] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 72.772434] FAULT_INJECTION: forcing a failure. [ 72.772434] name failslab, interval 1, probability 0, space 0, times 0 [ 72.783885] CPU: 1 PID: 6996 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 72.790980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.800320] Call Trace: [ 72.802901] dump_stack+0x138/0x19c [ 72.806516] should_fail.cold+0x10f/0x159 [ 72.810653] should_failslab+0xdb/0x130 [ 72.814615] kmem_cache_alloc+0x2d7/0x780 [ 72.818788] ? lock_downgrade+0x6e0/0x6e0 [ 72.823009] alloc_inode+0xa9/0x180 [ 72.826642] new_inode_pseudo+0x19/0xf0 [ 72.830622] new_inode+0x1f/0x40 [ 72.833978] simple_fill_super+0x117/0x610 [ 72.838230] nfsd_fill_super+0x4d/0x60 [ 72.842104] mount_ns+0xec/0x190 [ 72.845459] ? nfsd_mount+0xd0/0xd0 [ 72.849094] nfsd_mount+0xa4/0xd0 [ 72.852573] mount_fs+0x97/0x2a1 [ 72.855924] vfs_kern_mount.part.0+0x5e/0x3d0 [ 72.860520] do_mount+0x417/0x27d0 [ 72.864145] ? copy_mount_string+0x40/0x40 [ 72.868369] ? memdup_user+0x58/0xa0 [ 72.872070] ? copy_mount_options+0x1fe/0x2f0 [ 72.876578] SyS_mount+0xab/0x120 [ 72.880051] ? copy_mnt_ns+0x8c0/0x8c0 [ 72.883929] do_syscall_64+0x1e8/0x640 [ 72.887797] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 72.892629] entry_SYSCALL_64_after_hwframe+0x42/0xb7 executing program [ 72.897813] RIP: 0033:0x441629 [ 72.901013] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 72.908711] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 72.915963] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 72.923479] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 72.930731] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 72.937984] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 72.950410] FAULT_INJECTION: forcing a failure. [ 72.950410] name failslab, interval 1, probability 0, space 0, times 0 [ 72.961637] CPU: 0 PID: 6997 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 72.968722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.978150] Call Trace: [ 72.980727] dump_stack+0x138/0x19c [ 72.984363] should_fail.cold+0x10f/0x159 [ 72.988499] should_failslab+0xdb/0x130 [ 72.992461] __kmalloc+0x2f0/0x7a0 [ 72.995993] ? lock_downgrade+0x6e0/0x6e0 [ 73.000154] ? register_shrinker+0xbd/0x220 [ 73.004465] register_shrinker+0xbd/0x220 [ 73.008597] sget_userns+0x9bf/0xc30 [ 73.012293] ? set_anon_super+0x20/0x20 [ 73.016268] ? get_empty_filp.cold+0x3b/0x3b [ 73.020680] mount_ns+0x6d/0x190 [ 73.024034] ? nfsd_mount+0xd0/0xd0 [ 73.027643] nfsd_mount+0xa4/0xd0 [ 73.031081] mount_fs+0x97/0x2a1 [ 73.034432] vfs_kern_mount.part.0+0x5e/0x3d0 [ 73.039193] do_mount+0x417/0x27d0 [ 73.042923] ? copy_mount_string+0x40/0x40 [ 73.047177] ? memdup_user+0x58/0xa0 [ 73.050886] ? copy_mount_options+0x1fe/0x2f0 [ 73.055373] SyS_mount+0xab/0x120 [ 73.058815] ? copy_mnt_ns+0x8c0/0x8c0 [ 73.062799] do_syscall_64+0x1e8/0x640 [ 73.066677] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 73.071512] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 73.076699] RIP: 0033:0x441629 [ 73.079870] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 73.087562] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 executing program [ 73.094828] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 73.102096] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 73.109356] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 73.116607] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 73.128872] FAULT_INJECTION: forcing a failure. [ 73.128872] name failslab, interval 1, probability 0, space 0, times 0 [ 73.140271] CPU: 1 PID: 6998 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 73.147434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.156797] Call Trace: [ 73.159375] dump_stack+0x138/0x19c [ 73.163009] should_fail.cold+0x10f/0x159 [ 73.167143] should_failslab+0xdb/0x130 [ 73.171199] __kmalloc+0x2f0/0x7a0 [ 73.174732] ? lock_downgrade+0x6e0/0x6e0 [ 73.178863] ? register_shrinker+0xbd/0x220 [ 73.183276] register_shrinker+0xbd/0x220 [ 73.187407] sget_userns+0x9bf/0xc30 [ 73.191115] ? set_anon_super+0x20/0x20 [ 73.195076] ? get_empty_filp.cold+0x3b/0x3b [ 73.199469] mount_ns+0x6d/0x190 [ 73.202817] ? nfsd_mount+0xd0/0xd0 [ 73.206425] nfsd_mount+0xa4/0xd0 [ 73.209860] mount_fs+0x97/0x2a1 [ 73.213214] vfs_kern_mount.part.0+0x5e/0x3d0 [ 73.217872] do_mount+0x417/0x27d0 [ 73.221591] ? copy_mount_string+0x40/0x40 [ 73.225813] ? memdup_user+0x58/0xa0 [ 73.229513] ? copy_mount_options+0x1fe/0x2f0 [ 73.234002] SyS_mount+0xab/0x120 [ 73.237457] ? copy_mnt_ns+0x8c0/0x8c0 [ 73.241329] do_syscall_64+0x1e8/0x640 [ 73.245199] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 73.250060] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 73.255236] RIP: 0033:0x441629 [ 73.258404] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 73.266099] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 73.273356] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 73.280637] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 73.287893] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff executing program [ 73.295146] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 73.307395] FAULT_INJECTION: forcing a failure. [ 73.307395] name failslab, interval 1, probability 0, space 0, times 0 [ 73.318907] CPU: 0 PID: 6999 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 73.326139] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.335494] Call Trace: [ 73.338146] dump_stack+0x138/0x19c [ 73.341856] should_fail.cold+0x10f/0x159 [ 73.346083] should_failslab+0xdb/0x130 [ 73.350061] __kmalloc+0x2f0/0x7a0 [ 73.353793] ? lock_downgrade+0x6e0/0x6e0 [ 73.357941] ? register_shrinker+0xbd/0x220 [ 73.362800] register_shrinker+0xbd/0x220 [ 73.367852] sget_userns+0x9bf/0xc30 [ 73.371607] ? set_anon_super+0x20/0x20 [ 73.375596] ? get_empty_filp.cold+0x3b/0x3b [ 73.380020] mount_ns+0x6d/0x190 [ 73.383402] ? nfsd_mount+0xd0/0xd0 [ 73.387039] nfsd_mount+0xa4/0xd0 [ 73.390490] mount_fs+0x97/0x2a1 [ 73.393880] vfs_kern_mount.part.0+0x5e/0x3d0 [ 73.398386] do_mount+0x417/0x27d0 [ 73.401922] ? copy_mount_string+0x40/0x40 [ 73.406269] ? memdup_user+0x58/0xa0 [ 73.409976] ? copy_mount_options+0x1fe/0x2f0 [ 73.414474] SyS_mount+0xab/0x120 [ 73.417979] ? copy_mnt_ns+0x8c0/0x8c0 [ 73.421868] do_syscall_64+0x1e8/0x640 [ 73.425750] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 73.430629] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 73.435843] RIP: 0033:0x441629 [ 73.439023] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 executing program [ 73.446765] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 73.454045] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 73.461305] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 73.468572] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 73.475835] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 73.488131] FAULT_INJECTION: forcing a failure. [ 73.488131] name failslab, interval 1, probability 0, space 0, times 0 [ 73.499568] CPU: 1 PID: 7000 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 73.506655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.516013] Call Trace: [ 73.518589] dump_stack+0x138/0x19c [ 73.522202] should_fail.cold+0x10f/0x159 [ 73.526332] should_failslab+0xdb/0x130 [ 73.530296] __kmalloc+0x2f0/0x7a0 [ 73.533829] ? lock_downgrade+0x6e0/0x6e0 [ 73.537995] ? register_shrinker+0xbd/0x220 [ 73.542298] register_shrinker+0xbd/0x220 [ 73.546427] sget_userns+0x9bf/0xc30 [ 73.550136] ? set_anon_super+0x20/0x20 [ 73.554097] ? get_empty_filp.cold+0x3b/0x3b [ 73.558486] mount_ns+0x6d/0x190 [ 73.561832] ? nfsd_mount+0xd0/0xd0 [ 73.565438] nfsd_mount+0xa4/0xd0 [ 73.568874] mount_fs+0x97/0x2a1 [ 73.572224] vfs_kern_mount.part.0+0x5e/0x3d0 [ 73.576726] do_mount+0x417/0x27d0 [ 73.580261] ? copy_mount_string+0x40/0x40 [ 73.584481] ? memdup_user+0x58/0xa0 [ 73.588177] ? copy_mount_options+0x1fe/0x2f0 [ 73.592652] SyS_mount+0xab/0x120 [ 73.596082] ? copy_mnt_ns+0x8c0/0x8c0 [ 73.599951] do_syscall_64+0x1e8/0x640 [ 73.603820] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 73.608657] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 73.613852] RIP: 0033:0x441629 [ 73.617020] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 73.624714] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 73.631988] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 73.639261] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 73.646516] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff executing program [ 73.653773] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 73.667793] FAULT_INJECTION: forcing a failure. [ 73.667793] name failslab, interval 1, probability 0, space 0, times 0 [ 73.679136] CPU: 0 PID: 7001 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 73.686638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.695987] Call Trace: [ 73.698605] dump_stack+0x138/0x19c [ 73.702254] should_fail.cold+0x10f/0x159 [ 73.706395] should_failslab+0xdb/0x130 [ 73.710363] __kmalloc+0x2f0/0x7a0 [ 73.713917] ? lock_downgrade+0x6e0/0x6e0 [ 73.718085] ? register_shrinker+0xbd/0x220 [ 73.722437] register_shrinker+0xbd/0x220 [ 73.726613] sget_userns+0x9bf/0xc30 [ 73.730504] ? set_anon_super+0x20/0x20 [ 73.734469] ? get_empty_filp.cold+0x3b/0x3b [ 73.738872] mount_ns+0x6d/0x190 [ 73.742230] ? nfsd_mount+0xd0/0xd0 [ 73.745843] nfsd_mount+0xa4/0xd0 [ 73.749280] mount_fs+0x97/0x2a1 [ 73.752631] vfs_kern_mount.part.0+0x5e/0x3d0 [ 73.757288] do_mount+0x417/0x27d0 [ 73.760816] ? copy_mount_string+0x40/0x40 [ 73.765038] ? memdup_user+0x58/0xa0 [ 73.768743] ? copy_mount_options+0x1fe/0x2f0 [ 73.773232] SyS_mount+0xab/0x120 [ 73.776847] ? copy_mnt_ns+0x8c0/0x8c0 [ 73.780740] do_syscall_64+0x1e8/0x640 [ 73.785090] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 73.789926] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 73.795122] RIP: 0033:0x441629 executing program [ 73.798309] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 73.806005] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 73.813273] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 73.820534] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 73.827811] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 73.835081] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 73.847803] FAULT_INJECTION: forcing a failure. [ 73.847803] name failslab, interval 1, probability 0, space 0, times 0 [ 73.859879] CPU: 1 PID: 7002 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 73.866984] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.876362] Call Trace: [ 73.878973] dump_stack+0x138/0x19c [ 73.882621] should_fail.cold+0x10f/0x159 [ 73.886771] should_failslab+0xdb/0x130 [ 73.890739] __kmalloc+0x2f0/0x7a0 [ 73.894279] ? lock_downgrade+0x6e0/0x6e0 [ 73.898545] ? register_shrinker+0xbd/0x220 [ 73.902864] register_shrinker+0xbd/0x220 [ 73.907005] sget_userns+0x9bf/0xc30 [ 73.910709] ? set_anon_super+0x20/0x20 [ 73.914669] ? get_empty_filp.cold+0x3b/0x3b [ 73.919358] mount_ns+0x6d/0x190 [ 73.922716] ? nfsd_mount+0xd0/0xd0 [ 73.926377] nfsd_mount+0xa4/0xd0 [ 73.929816] mount_fs+0x97/0x2a1 [ 73.933179] vfs_kern_mount.part.0+0x5e/0x3d0 [ 73.937669] do_mount+0x417/0x27d0 [ 73.941226] ? copy_mount_string+0x40/0x40 [ 73.945671] ? memdup_user+0x58/0xa0 [ 73.949390] ? copy_mount_options+0x1fe/0x2f0 [ 73.953872] SyS_mount+0xab/0x120 [ 73.957318] ? copy_mnt_ns+0x8c0/0x8c0 [ 73.961200] do_syscall_64+0x1e8/0x640 [ 73.965201] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 73.970214] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 73.975415] RIP: 0033:0x441629 [ 73.978621] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 73.986312] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 73.993571] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 executing program [ 74.001765] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 74.009219] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 74.016918] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 74.029320] FAULT_INJECTION: forcing a failure. [ 74.029320] name failslab, interval 1, probability 0, space 0, times 0 [ 74.040800] CPU: 0 PID: 7003 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 74.047937] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.057308] Call Trace: [ 74.060176] dump_stack+0x138/0x19c [ 74.063813] should_fail.cold+0x10f/0x159 [ 74.067987] should_failslab+0xdb/0x130 [ 74.071977] __kmalloc+0x2f0/0x7a0 [ 74.075510] ? lock_downgrade+0x6e0/0x6e0 [ 74.080037] ? register_shrinker+0xbd/0x220 [ 74.084375] register_shrinker+0xbd/0x220 [ 74.088670] sget_userns+0x9bf/0xc30 [ 74.092391] ? set_anon_super+0x20/0x20 [ 74.096357] ? get_empty_filp.cold+0x3b/0x3b [ 74.100772] mount_ns+0x6d/0x190 [ 74.104128] ? nfsd_mount+0xd0/0xd0 [ 74.107766] nfsd_mount+0xa4/0xd0 [ 74.111237] mount_fs+0x97/0x2a1 [ 74.114914] vfs_kern_mount.part.0+0x5e/0x3d0 [ 74.119499] do_mount+0x417/0x27d0 [ 74.123054] ? copy_mount_string+0x40/0x40 [ 74.127278] ? memdup_user+0x58/0xa0 [ 74.130978] ? copy_mount_options+0x1fe/0x2f0 [ 74.135469] SyS_mount+0xab/0x120 [ 74.138908] ? copy_mnt_ns+0x8c0/0x8c0 [ 74.142782] do_syscall_64+0x1e8/0x640 [ 74.146672] ? trace_hardirqs_off_thunk+0x1a/0x1c executing program [ 74.151503] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 74.156673] RIP: 0033:0x441629 [ 74.159867] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 74.167564] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 74.174842] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 74.182111] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 74.189372] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 74.196630] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 74.208993] FAULT_INJECTION: forcing a failure. [ 74.208993] name failslab, interval 1, probability 0, space 0, times 0 [ 74.220546] CPU: 1 PID: 7004 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 74.227692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.237211] Call Trace: [ 74.239786] dump_stack+0x138/0x19c [ 74.243401] should_fail.cold+0x10f/0x159 [ 74.247537] should_failslab+0xdb/0x130 [ 74.251501] __kmalloc+0x2f0/0x7a0 [ 74.255028] ? lock_downgrade+0x6e0/0x6e0 [ 74.259163] ? register_shrinker+0xbd/0x220 [ 74.263484] register_shrinker+0xbd/0x220 [ 74.267632] sget_userns+0x9bf/0xc30 [ 74.271368] ? set_anon_super+0x20/0x20 [ 74.275329] ? get_empty_filp.cold+0x3b/0x3b [ 74.279723] mount_ns+0x6d/0x190 [ 74.283075] ? nfsd_mount+0xd0/0xd0 [ 74.286687] nfsd_mount+0xa4/0xd0 [ 74.290125] mount_fs+0x97/0x2a1 [ 74.293479] vfs_kern_mount.part.0+0x5e/0x3d0 [ 74.297963] do_mount+0x417/0x27d0 [ 74.301522] ? copy_mount_string+0x40/0x40 [ 74.305749] ? memdup_user+0x58/0xa0 [ 74.309444] ? copy_mount_options+0x1fe/0x2f0 [ 74.313944] SyS_mount+0xab/0x120 [ 74.317381] ? copy_mnt_ns+0x8c0/0x8c0 [ 74.321255] do_syscall_64+0x1e8/0x640 [ 74.325158] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 74.330039] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 74.335275] RIP: 0033:0x441629 [ 74.338461] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 74.346859] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 executing program [ 74.354133] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 74.361593] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 74.368864] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 74.376133] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 74.388690] FAULT_INJECTION: forcing a failure. [ 74.388690] name failslab, interval 1, probability 0, space 0, times 0 [ 74.400090] CPU: 0 PID: 7005 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 74.407388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.416747] Call Trace: [ 74.419428] dump_stack+0x138/0x19c [ 74.423051] should_fail.cold+0x10f/0x159 [ 74.427185] should_failslab+0xdb/0x130 [ 74.431149] __kmalloc+0x2f0/0x7a0 [ 74.434693] ? lock_downgrade+0x6e0/0x6e0 [ 74.438829] ? register_shrinker+0xbd/0x220 [ 74.443140] register_shrinker+0xbd/0x220 [ 74.447362] sget_userns+0x9bf/0xc30 [ 74.451066] ? set_anon_super+0x20/0x20 [ 74.455028] ? get_empty_filp.cold+0x3b/0x3b [ 74.459432] mount_ns+0x6d/0x190 [ 74.462795] ? nfsd_mount+0xd0/0xd0 [ 74.466410] nfsd_mount+0xa4/0xd0 [ 74.469848] mount_fs+0x97/0x2a1 [ 74.473212] vfs_kern_mount.part.0+0x5e/0x3d0 [ 74.477782] do_mount+0x417/0x27d0 [ 74.481327] ? copy_mount_string+0x40/0x40 [ 74.485561] ? memdup_user+0x58/0xa0 [ 74.489261] ? copy_mount_options+0x1fe/0x2f0 [ 74.496776] SyS_mount+0xab/0x120 [ 74.500222] ? copy_mnt_ns+0x8c0/0x8c0 [ 74.504114] do_syscall_64+0x1e8/0x640 [ 74.507985] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 74.512814] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 74.517985] RIP: 0033:0x441629 [ 74.521155] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 74.528845] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 74.536097] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 74.543351] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 74.550626] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff executing program [ 74.557899] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 74.570242] FAULT_INJECTION: forcing a failure. [ 74.570242] name failslab, interval 1, probability 0, space 0, times 0 [ 74.581522] CPU: 1 PID: 7006 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 74.588617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.598073] Call Trace: [ 74.600654] dump_stack+0x138/0x19c [ 74.604272] should_fail.cold+0x10f/0x159 [ 74.608408] should_failslab+0xdb/0x130 [ 74.612458] __kmalloc+0x2f0/0x7a0 [ 74.615986] ? lock_downgrade+0x6e0/0x6e0 [ 74.620123] ? register_shrinker+0xbd/0x220 [ 74.624425] register_shrinker+0xbd/0x220 [ 74.628557] sget_userns+0x9bf/0xc30 [ 74.632252] ? set_anon_super+0x20/0x20 [ 74.636229] ? get_empty_filp.cold+0x3b/0x3b [ 74.640639] mount_ns+0x6d/0x190 [ 74.643989] ? nfsd_mount+0xd0/0xd0 [ 74.647602] nfsd_mount+0xa4/0xd0 [ 74.651065] mount_fs+0x97/0x2a1 [ 74.654432] vfs_kern_mount.part.0+0x5e/0x3d0 [ 74.658924] do_mount+0x417/0x27d0 [ 74.662452] ? copy_mount_string+0x40/0x40 [ 74.666674] ? memdup_user+0x58/0xa0 [ 74.670369] ? copy_mount_options+0x1fe/0x2f0 [ 74.674845] SyS_mount+0xab/0x120 [ 74.678311] ? copy_mnt_ns+0x8c0/0x8c0 [ 74.682187] do_syscall_64+0x1e8/0x640 [ 74.686055] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 74.690918] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 74.696090] RIP: 0033:0x441629 [ 74.699259] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 executing program [ 74.706945] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 74.714196] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 74.721466] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 74.728730] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 74.735978] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 74.748220] FAULT_INJECTION: forcing a failure. [ 74.748220] name failslab, interval 1, probability 0, space 0, times 0 [ 74.759552] CPU: 0 PID: 7007 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 74.766640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.775971] Call Trace: [ 74.778545] dump_stack+0x138/0x19c [ 74.782158] should_fail.cold+0x10f/0x159 [ 74.786290] should_failslab+0xdb/0x130 [ 74.790249] __kmalloc+0x2f0/0x7a0 [ 74.793774] ? lock_downgrade+0x6e0/0x6e0 [ 74.797907] ? register_shrinker+0xbd/0x220 [ 74.802217] register_shrinker+0xbd/0x220 [ 74.806345] sget_userns+0x9bf/0xc30 [ 74.810047] ? set_anon_super+0x20/0x20 [ 74.814034] ? get_empty_filp.cold+0x3b/0x3b [ 74.818422] mount_ns+0x6d/0x190 [ 74.821806] ? nfsd_mount+0xd0/0xd0 [ 74.825417] nfsd_mount+0xa4/0xd0 [ 74.828849] mount_fs+0x97/0x2a1 [ 74.832200] vfs_kern_mount.part.0+0x5e/0x3d0 [ 74.836678] do_mount+0x417/0x27d0 [ 74.840235] ? copy_mount_string+0x40/0x40 [ 74.844476] ? memdup_user+0x58/0xa0 [ 74.848171] ? copy_mount_options+0x1fe/0x2f0 [ 74.852652] SyS_mount+0xab/0x120 [ 74.856086] ? copy_mnt_ns+0x8c0/0x8c0 [ 74.859960] do_syscall_64+0x1e8/0x640 [ 74.863845] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 74.868694] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 74.873864] RIP: 0033:0x441629 [ 74.877033] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 74.884739] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 74.892004] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 74.899264] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 executing program [ 74.906513] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 74.913778] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 74.926014] FAULT_INJECTION: forcing a failure. [ 74.926014] name failslab, interval 1, probability 0, space 0, times 0 [ 74.937341] CPU: 1 PID: 7008 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 74.944428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.953781] Call Trace: [ 74.956356] dump_stack+0x138/0x19c [ 74.959969] should_fail.cold+0x10f/0x159 [ 74.964187] should_failslab+0xdb/0x130 [ 74.968145] __kmalloc+0x2f0/0x7a0 [ 74.971677] ? __list_lru_init+0x6b/0x660 [ 74.975817] __list_lru_init+0x6b/0x660 [ 74.979781] sget_userns+0x4e0/0xc30 [ 74.983473] ? set_anon_super+0x20/0x20 [ 74.987431] ? get_empty_filp.cold+0x3b/0x3b [ 74.991832] mount_ns+0x6d/0x190 [ 74.995179] ? nfsd_mount+0xd0/0xd0 [ 74.998784] nfsd_mount+0xa4/0xd0 [ 75.002225] mount_fs+0x97/0x2a1 [ 75.005577] vfs_kern_mount.part.0+0x5e/0x3d0 [ 75.010058] do_mount+0x417/0x27d0 [ 75.013581] ? copy_mount_string+0x40/0x40 [ 75.017827] ? memdup_user+0x58/0xa0 [ 75.021527] ? copy_mount_options+0x1fe/0x2f0 [ 75.026001] SyS_mount+0xab/0x120 [ 75.029463] ? copy_mnt_ns+0x8c0/0x8c0 [ 75.033334] do_syscall_64+0x1e8/0x640 [ 75.037211] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 75.042041] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 75.047219] RIP: 0033:0x441629 [ 75.050387] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 executing program [ 75.058072] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 75.065326] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 75.072578] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 75.079827] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 75.087074] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 75.099372] FAULT_INJECTION: forcing a failure. [ 75.099372] name failslab, interval 1, probability 0, space 0, times 0 [ 75.110634] CPU: 1 PID: 7009 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 75.117731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.127085] Call Trace: [ 75.129664] dump_stack+0x138/0x19c [ 75.133276] should_fail.cold+0x10f/0x159 [ 75.137409] should_failslab+0xdb/0x130 [ 75.141366] __kmalloc+0x2f0/0x7a0 [ 75.144909] ? __list_lru_init+0x6b/0x660 [ 75.149038] __list_lru_init+0x6b/0x660 [ 75.153011] sget_userns+0x500/0xc30 [ 75.156708] ? set_anon_super+0x20/0x20 [ 75.160665] ? get_empty_filp.cold+0x3b/0x3b [ 75.165762] mount_ns+0x6d/0x190 [ 75.169114] ? nfsd_mount+0xd0/0xd0 [ 75.172722] nfsd_mount+0xa4/0xd0 [ 75.176173] mount_fs+0x97/0x2a1 [ 75.179543] vfs_kern_mount.part.0+0x5e/0x3d0 [ 75.184039] do_mount+0x417/0x27d0 [ 75.187580] ? copy_mount_string+0x40/0x40 [ 75.191801] ? memdup_user+0x58/0xa0 [ 75.195505] ? copy_mount_options+0x1fe/0x2f0 [ 75.199986] SyS_mount+0xab/0x120 [ 75.203421] ? copy_mnt_ns+0x8c0/0x8c0 [ 75.207291] do_syscall_64+0x1e8/0x640 [ 75.211157] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 75.215986] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 75.221153] RIP: 0033:0x441629 [ 75.224322] RSP: 002b:00007fff3d6c9668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 75.232008] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 75.239254] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 75.246505] RBP: 00007fff3d6c96a0 R08: 0000000000000000 R09: 0000000000000000 [ 75.253758] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 75.261017] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 75.269895] list_add double add: new=ffffffff8801d6a0, prev=ffffffff8801d500, next=ffffffff8801d6a0. [ 75.284527] ------------[ cut here ]------------ [ 75.289271] kernel BUG at lib/list_debug.c:29! [ 75.293852] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 75.299361] Modules linked in: [ 75.302535] CPU: 1 PID: 7009 Comm: syz-executor248 Not tainted 4.14.124 #18 [ 75.309608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.318939] task: ffff88809560c440 task.stack: ffff8880a3d40000 [ 75.325071] RIP: 0010:__list_add_valid.cold+0x26/0x3c [ 75.338852] RSP: 0018:ffff8880a3d47af0 EFLAGS: 00010082 [ 75.344192] RAX: 0000000000000058 RBX: ffffffff8801d640 RCX: 0000000000000000 [ 75.351646] RDX: 0000000000000000 RSI: ffffffff866d0ca0 RDI: ffffed10147a8f54 [ 75.358918] RBP: ffff8880a3d47b08 R08: 0000000000000058 R09: 0000000000000002 [ 75.366171] R10: 0000000000000000 R11: ffff88809560c440 R12: ffffffff8801d6a0 [ 75.373426] R13: ffffffff8801d6a0 R14: ffffffff8801d6a0 R15: 0000000000000000 [ 75.380682] FS: 0000000000000000(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000 [ 75.388898] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.394756] CR2: 00000000004c0708 CR3: 000000000766a000 CR4: 00000000001406e0 [ 75.402009] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.409260] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.416507] Call Trace: [ 75.419075] ? __put_net+0x23/0x100 [ 75.422689] __put_net+0x3f/0x100 [ 75.426120] __sk_destruct+0x4a5/0x5d0 [ 75.429986] sk_destruct+0x67/0x80 [ 75.433524] __sk_free+0x54/0x230 [ 75.436959] sk_free+0x35/0x40 [ 75.440132] sk_common_release+0x207/0x310 [ 75.444347] udp_lib_close+0x16/0x20 [ 75.448040] inet_release+0xec/0x1c0 [ 75.451734] __sock_release+0xce/0x2b0 [ 75.455601] ? __sock_release+0x2b0/0x2b0 [ 75.459724] sock_close+0x1b/0x30 [ 75.463157] __fput+0x275/0x7a0 [ 75.466415] ____fput+0x16/0x20 [ 75.469694] task_work_run+0x114/0x190 [ 75.473586] do_exit+0x7df/0x2c10 [ 75.477020] ? mm_update_next_owner+0x5d0/0x5d0 [ 75.481672] ? up_read+0x1a/0x40 [ 75.485024] ? __do_page_fault+0x358/0xb80 [ 75.489249] do_group_exit+0x111/0x330 [ 75.493119] SyS_exit_group+0x1d/0x20 [ 75.496902] ? do_group_exit+0x330/0x330 [ 75.500970] do_syscall_64+0x1e8/0x640 [ 75.504841] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 75.509670] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 75.514839] RIP: 0033:0x440168 [ 75.518006] RSP: 002b:00007fff3d6c9628 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 75.525695] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440168 [ 75.532987] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 75.540246] RBP: 00000000004c06d0 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 75.547497] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 75.554746] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 [ 75.561998] Code: e9 56 ff ff ff 4c 89 e1 48 c7 c7 60 29 9d 86 e8 0f 1c 73 fe 0f 0b 48 89 f2 4c 89 e1 4c 89 ee 48 c7 c7 a0 2a 9d 86 e8 f8 1b 73 fe <0f> 0b 48 89 f1 48 c7 c7 20 2a 9d 86 4c 89 e6 e8 e4 1b 73 fe 0f [ 75.581103] RIP: __list_add_valid.cold+0x26/0x3c RSP: ffff8880a3d47af0 [ 75.587788] ---[ end trace c512328f6212b362 ]--- [ 75.592537] Kernel panic - not syncing: Fatal exception [ 75.598912] Kernel Offset: disabled [ 75.602534] Rebooting in 86400 seconds..