INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.9' (ECDSA) to the list of known hosts. syzkaller login: [ 23.622877] IPVS: ftp: loaded support on port[0] = 21 executing program [ 23.652101] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program [ 23.685327] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program [ 23.724607] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program executing program [ 23.780752] IPVS: ftp: loaded support on port[0] = 21 executing program [ 23.830562] IPVS: ftp: loaded support on port[0] = 21 executing program [ 23.853844] FAULT_INJECTION: forcing a failure. [ 23.853844] name failslab, interval 1, probability 0, space 0, times 1 [ 23.865213] CPU: 1 PID: 4442 Comm: syzkaller853443 Not tainted 4.16.0-rc6+ #43 [ 23.872565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.881911] Call Trace: [ 23.884500] dump_stack+0x194/0x24d [ 23.887279] FAULT_INJECTION: forcing a failure. [ 23.887279] name failslab, interval 1, probability 0, space 0, times 1 [ 23.888132] ? arch_local_irq_restore+0x53/0x53 [ 23.888149] should_fail+0x8c0/0xa40 [ 23.888159] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 23.888172] ? __lock_is_held+0xb6/0x140 [ 23.916860] ? mark_held_locks+0xaf/0x100 [ 23.920988] ? __raw_spin_lock_init+0x1c/0x100 [ 23.925551] ? find_held_lock+0x35/0x1d0 [ 23.929596] ? __lock_is_held+0xb6/0x140 [ 23.933643] ? check_same_owner+0x320/0x320 [ 23.937941] ? d_alloc+0x269/0x340 [ 23.941462] ? rcu_note_context_switch+0x710/0x710 [ 23.946368] ? lock_release+0xa40/0xa40 [ 23.950329] should_failslab+0xec/0x120 [ 23.954285] kmem_cache_alloc+0x47/0x760 [ 23.958326] ? d_drop+0x51/0x60 [ 23.961585] ? rpc_i_callback+0x30/0x30 [ 23.965538] rpc_alloc_inode+0x1a/0x20 [ 23.969407] alloc_inode+0x65/0x180 [ 23.973020] new_inode_pseudo+0x69/0x190 [ 23.977061] ? prune_icache_sb+0x1a0/0x1a0 [ 23.981276] ? do_raw_spin_trylock+0x190/0x190 [ 23.985835] ? d_add+0xa70/0xa70 [ 23.989184] new_inode+0x1c/0x40 [ 23.992531] rpc_get_inode+0x20/0x1e0 [ 23.996311] __rpc_create_common+0x5d/0x1d0 [ 24.000611] ? __d_lookup+0x830/0x830 [ 24.004396] rpc_populate.constprop.15+0x126/0x340 [ 24.009310] rpc_fill_super+0x831/0xae0 [ 24.013271] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 24.018444] ? security_capable+0x8e/0xc0 [ 24.022574] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 24.027746] ? ns_capable_common+0xcf/0x160 [ 24.032053] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 24.037224] mount_ns+0xc4/0x190 [ 24.040572] rpc_mount+0x9e/0xd0 [ 24.043919] mount_fs+0x66/0x2d0 [ 24.047267] vfs_kern_mount.part.26+0xc6/0x4a0 [ 24.051828] ? may_umount+0xa0/0xa0 [ 24.055435] ? _raw_read_unlock+0x22/0x30 [ 24.059561] ? __get_fs_type+0x8a/0xc0 [ 24.063429] do_mount+0xea4/0x2bb0 [ 24.066951] ? copy_mount_string+0x40/0x40 [ 24.071168] ? rcu_pm_notify+0xc0/0xc0 [ 24.075040] ? copy_mount_options+0x5f/0x2e0 [ 24.079430] ? rcu_read_lock_sched_held+0x108/0x120 [ 24.084426] ? kmem_cache_alloc_trace+0x459/0x740 [ 24.089249] ? kasan_check_write+0x14/0x20 [ 24.093467] ? copy_mount_options+0x1f7/0x2e0 [ 24.097943] SyS_mount+0xab/0x120 [ 24.101373] ? copy_mnt_ns+0xb30/0xb30 [ 24.105245] do_syscall_64+0x281/0x940 [ 24.109112] ? vmalloc_sync_all+0x30/0x30 [ 24.113239] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 24.117973] ? syscall_return_slowpath+0x550/0x550 [ 24.122881] ? syscall_return_slowpath+0x2ac/0x550 [ 24.127789] ? prepare_exit_to_usermode+0x350/0x350 [ 24.132785] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 24.138133] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 24.142959] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 24.148129] RIP: 0033:0x442759 [ 24.151302] RSP: 002b:00007ffd1bbb3238 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 24.158988] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000442759 [ 24.166237] RDX: 00000000200002c0 RSI: 0000000020000140 RDI: 0000000020000300 [ 24.173487] RBP: 00007ffd1bbb3ae0 R08: 0000000020000200 R09: 0000000300000000 [ 24.180734] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 24.187985] R13: 0000000000000003 R14: 0000000000001380 R15: 00007ffd1bbb3378 [ 24.195249] CPU: 0 PID: 4444 Comm: syzkaller853443 Not tainted 4.16.0-rc6+ #43 executing program executing program [ 24.195350] net/sunrpc/rpc_pipe.c: __rpc_create_common failed to allocate inode for dentry info [ 24.202594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.202598] Call Trace: [ 24.202610] dump_stack+0x194/0x24d [ 24.202619] ? arch_local_irq_restore+0x53/0x53 [ 24.202634] should_fail+0x8c0/0xa40 [ 24.217759] IPVS: ftp: loaded support on port[0] = 21 [ 24.220767] ? unwind_next_frame.part.6+0x1a6/0xb40 [ 24.220780] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 24.220793] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 24.228973] FAULT_INJECTION: forcing a failure. [ 24.228973] name failslab, interval 1, probability 0, space 0, times 0 [ 24.231613] ? __lock_acquire+0x664/0x3e00 [ 24.231624] ? find_held_lock+0x35/0x1d0 [ 24.231635] ? __lock_is_held+0xb6/0x140 [ 24.279153] ? check_same_owner+0x320/0x320 [ 24.283452] ? __d_lookup+0x4f4/0x830 [ 24.287239] ? rcu_note_context_switch+0x710/0x710 [ 24.292154] should_failslab+0xec/0x120 [ 24.296111] kmem_cache_alloc+0x47/0x760 [ 24.300245] __d_alloc+0xc1/0xbd0 [ 24.303678] ? shrink_dcache_for_umount+0x290/0x290 [ 24.308672] ? d_alloc_parallel+0x1b40/0x1b40 [ 24.313148] ? lock_release+0xa40/0xa40 [ 24.317101] ? mark_held_locks+0xaf/0x100 [ 24.321229] ? d_lookup+0x133/0x2e0 [ 24.324837] ? d_lookup+0x1d5/0x2e0 [ 24.328447] d_alloc+0x8e/0x340 [ 24.331708] ? __d_alloc+0xbd0/0xbd0 [ 24.335400] ? full_name_hash+0x9b/0xe0 [ 24.339360] __rpc_lookup_create_exclusive+0x183/0x1d0 [ 24.344619] ? down_write+0x87/0x120 [ 24.348314] ? rpc_d_lookup_sb+0x1a0/0x1a0 [ 24.352528] ? down_read+0x150/0x150 [ 24.356223] ? __d_lookup+0x830/0x830 [ 24.360007] rpc_populate.constprop.15+0xa3/0x340 [ 24.364839] rpc_fill_super+0x831/0xae0 [ 24.368803] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 24.373984] ? security_capable+0x8e/0xc0 [ 24.378114] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 24.383282] ? ns_capable_common+0xcf/0x160 [ 24.387586] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 24.392753] mount_ns+0xc4/0x190 [ 24.396099] rpc_mount+0x9e/0xd0 [ 24.399445] mount_fs+0x66/0x2d0 [ 24.402793] vfs_kern_mount.part.26+0xc6/0x4a0 [ 24.407354] ? may_umount+0xa0/0xa0 [ 24.410958] ? _raw_read_unlock+0x22/0x30 [ 24.415084] ? __get_fs_type+0x8a/0xc0 [ 24.418952] do_mount+0xea4/0x2bb0 [ 24.422477] ? copy_mount_string+0x40/0x40 [ 24.426689] ? rcu_pm_notify+0xc0/0xc0 [ 24.430582] ? copy_mount_options+0x5f/0x2e0 [ 24.434970] ? rcu_read_lock_sched_held+0x108/0x120 [ 24.439964] ? kmem_cache_alloc_trace+0x459/0x740 [ 24.444790] ? kasan_check_write+0x14/0x20 [ 24.449006] ? copy_mount_options+0x1f7/0x2e0 [ 24.453487] SyS_mount+0xab/0x120 [ 24.456923] ? copy_mnt_ns+0xb30/0xb30 [ 24.460939] do_syscall_64+0x281/0x940 [ 24.464963] ? vmalloc_sync_all+0x30/0x30 [ 24.469100] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 24.473836] ? syscall_return_slowpath+0x550/0x550 [ 24.478747] ? syscall_return_slowpath+0x2ac/0x550 [ 24.483656] ? prepare_exit_to_usermode+0x350/0x350 [ 24.488654] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 24.494001] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 24.498827] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 24.504001] RIP: 0033:0x442759 [ 24.507171] RSP: 002b:00007ffd1bbb3238 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 24.514859] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000442759 [ 24.522107] RDX: 00000000200002c0 RSI: 0000000020000140 RDI: 0000000020000300 [ 24.529356] RBP: 00007ffd1bbb3ae0 R08: 0000000020000200 R09: 0000000000000000 [ 24.536613] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 24.543985] R13: 0000000000000003 R14: 0000000000000000 R15: 00007ffd1bbb3378 [ 24.551250] CPU: 1 PID: 4443 Comm: syzkaller853443 Not tainted 4.16.0-rc6+ #43 [ 24.551363] net/sunrpc/rpc_pipe.c: rpc_populate failed to populate directory clntXX [ 24.558593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.558597] Call Trace: [ 24.558609] dump_stack+0x194/0x24d [ 24.558618] ? arch_local_irq_restore+0x53/0x53 [ 24.558634] should_fail+0x8c0/0xa40 [ 24.580949] net/sunrpc/rpc_pipe.c: rpc_populate failed to populate directory clntXX [ 24.581968] ? unwind_next_frame.part.6+0x1a6/0xb40 [ 24.581980] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 24.581991] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 24.613351] ? __lock_acquire+0x664/0x3e00 [ 24.617582] ? find_held_lock+0x35/0x1d0 [ 24.621639] ? __lock_is_held+0xb6/0x140 [ 24.625702] ? check_same_owner+0x320/0x320 [ 24.630016] ? __d_lookup+0x4f4/0x830 [ 24.630223] FAULT_INJECTION: forcing a failure. [ 24.630223] name failslab, interval 1, probability 0, space 0, times 0 [ 24.633802] ? rcu_note_context_switch+0x710/0x710 [ 24.633816] should_failslab+0xec/0x120 [ 24.633826] kmem_cache_alloc+0x47/0x760 [ 24.633840] __d_alloc+0xc1/0xbd0 [ 24.633849] ? shrink_dcache_for_umount+0x290/0x290 [ 24.633859] ? d_alloc_parallel+0x1b40/0x1b40 [ 24.670775] ? lock_release+0xa40/0xa40 [ 24.674731] ? mark_held_locks+0xaf/0x100 [ 24.678860] ? d_lookup+0x133/0x2e0 [ 24.682468] ? d_lookup+0x1d5/0x2e0 [ 24.686078] d_alloc+0x8e/0x340 [ 24.689345] ? __d_alloc+0xbd0/0xbd0 [ 24.693041] ? full_name_hash+0x9b/0xe0 [ 24.697001] __rpc_lookup_create_exclusive+0x183/0x1d0 [ 24.702256] ? down_write+0x87/0x120 [ 24.705947] ? rpc_d_lookup_sb+0x1a0/0x1a0 [ 24.710157] ? down_read+0x150/0x150 [ 24.713848] ? __d_lookup+0x830/0x830 [ 24.717630] rpc_populate.constprop.15+0xa3/0x340 [ 24.722460] rpc_fill_super+0x831/0xae0 [ 24.726416] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 24.731587] ? security_capable+0x8e/0xc0 [ 24.735719] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 24.740891] ? ns_capable_common+0xcf/0x160 [ 24.745194] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 24.750362] mount_ns+0xc4/0x190 [ 24.753709] rpc_mount+0x9e/0xd0 [ 24.757056] mount_fs+0x66/0x2d0 [ 24.760405] vfs_kern_mount.part.26+0xc6/0x4a0 [ 24.764966] ? may_umount+0xa0/0xa0 [ 24.768575] ? _raw_read_unlock+0x22/0x30 [ 24.772704] ? __get_fs_type+0x8a/0xc0 [ 24.776572] do_mount+0xea4/0x2bb0 [ 24.780095] ? copy_mount_string+0x40/0x40 [ 24.784310] ? rcu_pm_notify+0xc0/0xc0 [ 24.788184] ? copy_mount_options+0x5f/0x2e0 [ 24.792577] ? rcu_read_lock_sched_held+0x108/0x120 [ 24.797573] ? kmem_cache_alloc_trace+0x459/0x740 [ 24.802394] ? kasan_check_write+0x14/0x20 [ 24.806613] ? copy_mount_options+0x1f7/0x2e0 [ 24.811089] SyS_mount+0xab/0x120 [ 24.814520] ? copy_mnt_ns+0xb30/0xb30 [ 24.818391] do_syscall_64+0x281/0x940 [ 24.822258] ? vmalloc_sync_all+0x30/0x30 [ 24.826387] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 24.831124] ? syscall_return_slowpath+0x550/0x550 [ 24.836036] ? syscall_return_slowpath+0x2ac/0x550 [ 24.840944] ? prepare_exit_to_usermode+0x350/0x350 [ 24.845955] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 24.851300] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 24.856128] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 24.861294] RIP: 0033:0x442759 [ 24.864467] RSP: 002b:00007ffd1bbb3238 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 24.872155] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000442759 [ 24.879406] RDX: 00000000200002c0 RSI: 0000000020000140 RDI: 0000000020000300 [ 24.886654] RBP: 00007ffd1bbb3ae0 R08: 0000000020000200 R09: 0000000000000000 [ 24.893905] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 24.901152] R13: 0000000000000003 R14: 0000000000000000 R15: 00007ffd1bbb3378 executing program [ 24.908418] CPU: 0 PID: 4445 Comm: syzkaller853443 Not tainted 4.16.0-rc6+ #43 [ 24.908465] net/sunrpc/rpc_pipe.c: rpc_populate failed to populate directory clntXX [ 24.915764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.915767] Call Trace: [ 24.915783] dump_stack+0x194/0x24d [ 24.915799] ? arch_local_irq_restore+0x53/0x53 [ 24.926904] IPVS: ftp: loaded support on port[0] = 21 [ 24.932917] should_fail+0x8c0/0xa40 [ 24.932928] ? unwind_next_frame.part.6+0x1a6/0xb40 [ 24.932937] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 24.937707] FAULT_INJECTION: forcing a failure. [ 24.937707] name failslab, interval 1, probability 0, space 0, times 0 [ 24.939110] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 24.939122] ? __lock_acquire+0x664/0x3e00 [ 24.939132] ? find_held_lock+0x35/0x1d0 [ 24.987874] ? __lock_is_held+0xb6/0x140 [ 24.991922] ? check_same_owner+0x320/0x320 [ 24.996225] ? __d_lookup+0x4f4/0x830 [ 25.000007] ? rcu_note_context_switch+0x710/0x710 [ 25.004925] should_failslab+0xec/0x120 [ 25.008881] kmem_cache_alloc+0x47/0x760 [ 25.012928] __d_alloc+0xc1/0xbd0 [ 25.016360] ? shrink_dcache_for_umount+0x290/0x290 [ 25.021356] ? d_alloc_parallel+0x1b40/0x1b40 [ 25.025833] ? lock_release+0xa40/0xa40 [ 25.029786] ? mark_held_locks+0xaf/0x100 [ 25.033916] ? d_lookup+0x133/0x2e0 [ 25.037528] ? d_lookup+0x1d5/0x2e0 [ 25.041135] d_alloc+0x8e/0x340 [ 25.044394] ? __d_alloc+0xbd0/0xbd0 [ 25.048087] ? full_name_hash+0x9b/0xe0 [ 25.052054] __rpc_lookup_create_exclusive+0x183/0x1d0 [ 25.057312] ? down_write+0x87/0x120 [ 25.061003] ? rpc_d_lookup_sb+0x1a0/0x1a0 [ 25.065219] ? down_read+0x150/0x150 [ 25.068913] ? __d_lookup+0x830/0x830 [ 25.072694] rpc_populate.constprop.15+0xa3/0x340 [ 25.077524] rpc_fill_super+0x831/0xae0 [ 25.081478] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 25.086841] ? security_capable+0x8e/0xc0 [ 25.090972] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 25.096142] ? ns_capable_common+0xcf/0x160 [ 25.100444] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 25.105613] mount_ns+0xc4/0x190 [ 25.108965] rpc_mount+0x9e/0xd0 [ 25.112314] mount_fs+0x66/0x2d0 [ 25.115663] vfs_kern_mount.part.26+0xc6/0x4a0 [ 25.120227] ? may_umount+0xa0/0xa0 [ 25.123838] ? _raw_read_unlock+0x22/0x30 [ 25.127969] ? __get_fs_type+0x8a/0xc0 [ 25.131838] do_mount+0xea4/0x2bb0 [ 25.135360] ? copy_mount_string+0x40/0x40 [ 25.139578] ? rcu_pm_notify+0xc0/0xc0 [ 25.143452] ? copy_mount_options+0x5f/0x2e0 [ 25.147844] ? rcu_read_lock_sched_held+0x108/0x120 [ 25.152846] ? kmem_cache_alloc_trace+0x459/0x740 [ 25.157672] ? kasan_check_write+0x14/0x20 [ 25.161891] ? copy_mount_options+0x1f7/0x2e0 [ 25.166369] SyS_mount+0xab/0x120 [ 25.169800] ? copy_mnt_ns+0xb30/0xb30 [ 25.173668] do_syscall_64+0x281/0x940 [ 25.177535] ? vmalloc_sync_all+0x30/0x30 [ 25.181818] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 25.186582] ? syscall_return_slowpath+0x550/0x550 [ 25.191490] ? syscall_return_slowpath+0x2ac/0x550 [ 25.196398] ? prepare_exit_to_usermode+0x350/0x350 [ 25.201394] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 25.206738] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 25.211563] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 25.216730] RIP: 0033:0x442759 [ 25.219901] RSP: 002b:00007ffd1bbb3238 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 25.227598] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000442759 [ 25.234845] RDX: 00000000200002c0 RSI: 0000000020000140 RDI: 0000000020000300 [ 25.242093] RBP: 00007ffd1bbb3ae0 R08: 0000000020000200 R09: 0000000000000000 [ 25.249341] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 25.256588] R13: 0000000000000003 R14: 0000000000000000 R15: 00007ffd1bbb3378 [ 25.263854] CPU: 1 PID: 4441 Comm: syzkaller853443 Not tainted 4.16.0-rc6+ #43 [ 25.264029] net/sunrpc/rpc_pipe.c: rpc_populate failed to populate directory clntXX [ 25.271196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.271200] Call Trace: [ 25.271212] dump_stack+0x194/0x24d [ 25.271221] ? arch_local_irq_restore+0x53/0x53 [ 25.299223] should_fail+0x8c0/0xa40 [ 25.302931] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 25.308028] ? __lock_is_held+0xb6/0x140 [ 25.312083] ? mark_held_locks+0xaf/0x100 [ 25.316220] ? __raw_spin_lock_init+0x1c/0x100 [ 25.320794] ? find_held_lock+0x35/0x1d0 [ 25.324240] FAULT_INJECTION: forcing a failure. [ 25.324240] name failslab, interval 1, probability 0, space 0, times 0 [ 25.324845] ? __lock_is_held+0xb6/0x140 [ 25.324861] ? check_same_owner+0x320/0x320 [ 25.324872] ? d_alloc+0x269/0x340 [ 25.347870] ? rcu_note_context_switch+0x710/0x710 [ 25.352781] ? lock_release+0xa40/0xa40 [ 25.356746] should_failslab+0xec/0x120 [ 25.360703] kmem_cache_alloc+0x47/0x760 [ 25.364744] ? d_drop+0x51/0x60 [ 25.368005] ? rpc_i_callback+0x30/0x30 [ 25.371969] rpc_alloc_inode+0x1a/0x20 [ 25.375833] alloc_inode+0x65/0x180 [ 25.379440] new_inode_pseudo+0x69/0x190 [ 25.383482] ? prune_icache_sb+0x1a0/0x1a0 [ 25.387694] ? do_raw_spin_trylock+0x190/0x190 [ 25.392255] ? d_add+0xa70/0xa70 [ 25.395615] new_inode+0x1c/0x40 [ 25.398964] rpc_get_inode+0x20/0x1e0 [ 25.402747] __rpc_create_common+0x5d/0x1d0 [ 25.407054] ? __d_lookup+0x830/0x830 [ 25.410834] rpc_populate.constprop.15+0x126/0x340 [ 25.415749] rpc_fill_super+0x831/0xae0 [ 25.419707] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 25.424882] ? security_capable+0x8e/0xc0 [ 25.429010] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 25.434181] ? ns_capable_common+0xcf/0x160 [ 25.438486] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 25.443655] mount_ns+0xc4/0x190 [ 25.447004] rpc_mount+0x9e/0xd0 [ 25.450351] mount_fs+0x66/0x2d0 [ 25.453700] vfs_kern_mount.part.26+0xc6/0x4a0 [ 25.458266] ? may_umount+0xa0/0xa0 [ 25.461874] ? _raw_read_unlock+0x22/0x30 [ 25.466000] ? __get_fs_type+0x8a/0xc0 [ 25.469873] do_mount+0xea4/0x2bb0 [ 25.473399] ? copy_mount_string+0x40/0x40 [ 25.477614] ? rcu_pm_notify+0xc0/0xc0 [ 25.481487] ? copy_mount_options+0x5f/0x2e0 [ 25.485874] ? rcu_read_lock_sched_held+0x108/0x120 [ 25.490873] ? kmem_cache_alloc_trace+0x459/0x740 [ 25.495703] ? kasan_check_write+0x14/0x20 [ 25.499918] ? copy_mount_options+0x1f7/0x2e0 [ 25.504394] SyS_mount+0xab/0x120 [ 25.507826] ? copy_mnt_ns+0xb30/0xb30 [ 25.511694] do_syscall_64+0x281/0x940 [ 25.515559] ? vmalloc_sync_all+0x30/0x30 [ 25.519684] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 25.524422] ? syscall_return_slowpath+0x550/0x550 [ 25.529333] ? syscall_return_slowpath+0x2ac/0x550 [ 25.534240] ? prepare_exit_to_usermode+0x350/0x350 [ 25.539243] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 25.544591] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 25.549414] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 25.554581] RIP: 0033:0x442759 [ 25.557747] RSP: 002b:00007ffd1bbb3238 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 25.565436] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000442759 [ 25.572682] RDX: 00000000200002c0 RSI: 0000000020000140 RDI: 0000000020000300 [ 25.579932] RBP: 00007ffd1bbb3ae0 R08: 0000000020000200 R09: 0000000300000000 [ 25.587179] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 25.594431] R13: 0000000000000003 R14: 0000000000001380 R15: 00007ffd1bbb3378 [ 25.601695] CPU: 0 PID: 4446 Comm: syzkaller853443 Not tainted 4.16.0-rc6+ #43 executing program executing program executing program [ 25.601773] net/sunrpc/rpc_pipe.c: __rpc_create_common failed to allocate inode for dentry info [ 25.609043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.609046] Call Trace: [ 25.609057] dump_stack+0x194/0x24d [ 25.609067] ? arch_local_irq_restore+0x53/0x53 [ 25.609082] should_fail+0x8c0/0xa40 [ 25.631913] FAULT_INJECTION: forcing a failure. [ 25.631913] name failslab, interval 1, probability 0, space 0, times 0 [ 25.633397] ? unwind_next_frame.part.6+0x1a6/0xb40 [ 25.633410] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 25.633422] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 25.633431] ? __lock_acquire+0x664/0x3e00 [ 25.633442] ? find_held_lock+0x35/0x1d0 [ 25.633451] ? __lock_is_held+0xb6/0x140 [ 25.633467] ? check_same_owner+0x320/0x320 [ 25.688289] ? __d_lookup+0x4f4/0x830 [ 25.692080] ? rcu_note_context_switch+0x710/0x710 [ 25.696997] should_failslab+0xec/0x120 [ 25.700957] kmem_cache_alloc+0x47/0x760 [ 25.705555] __d_alloc+0xc1/0xbd0 [ 25.709129] ? shrink_dcache_for_umount+0x290/0x290 [ 25.714127] ? d_alloc_parallel+0x1b40/0x1b40 [ 25.718609] ? lock_release+0xa40/0xa40 [ 25.722569] ? mark_held_locks+0xaf/0x100 [ 25.726698] ? d_lookup+0x133/0x2e0 [ 25.730309] ? d_lookup+0x1d5/0x2e0 [ 25.733918] d_alloc+0x8e/0x340 [ 25.737178] ? __d_alloc+0xbd0/0xbd0 [ 25.740877] ? full_name_hash+0x9b/0xe0 [ 25.744838] __rpc_lookup_create_exclusive+0x183/0x1d0 [ 25.750092] ? down_write+0x87/0x120 [ 25.753783] ? rpc_d_lookup_sb+0x1a0/0x1a0 [ 25.757995] ? down_read+0x150/0x150 [ 25.761689] ? __d_lookup+0x830/0x830 [ 25.765475] rpc_populate.constprop.15+0xa3/0x340 [ 25.770303] rpc_fill_super+0x831/0xae0 [ 25.774262] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 25.779432] ? security_capable+0x8e/0xc0 [ 25.787991] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 25.793164] ? ns_capable_common+0xcf/0x160 [ 25.797466] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 25.802635] mount_ns+0xc4/0x190 [ 25.805996] rpc_mount+0x9e/0xd0 [ 25.809348] mount_fs+0x66/0x2d0 [ 25.812696] vfs_kern_mount.part.26+0xc6/0x4a0 [ 25.817264] ? may_umount+0xa0/0xa0 [ 25.820871] ? _raw_read_unlock+0x22/0x30 [ 25.824998] ? __get_fs_type+0x8a/0xc0 [ 25.828869] do_mount+0xea4/0x2bb0 [ 25.832390] ? copy_mount_string+0x40/0x40 [ 25.836604] ? rcu_pm_notify+0xc0/0xc0 [ 25.840478] ? copy_mount_options+0x5f/0x2e0 [ 25.844867] ? rcu_read_lock_sched_held+0x108/0x120 [ 25.849862] ? kmem_cache_alloc_trace+0x459/0x740 [ 25.854684] ? kasan_check_write+0x14/0x20 [ 25.858905] ? copy_mount_options+0x1f7/0x2e0 [ 25.863383] SyS_mount+0xab/0x120 [ 25.866815] ? copy_mnt_ns+0xb30/0xb30 [ 25.870683] do_syscall_64+0x281/0x940 [ 25.874549] ? vmalloc_sync_all+0x30/0x30 [ 25.878677] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 25.883414] ? syscall_return_slowpath+0x550/0x550 [ 25.888322] ? syscall_return_slowpath+0x2ac/0x550 [ 25.893231] ? prepare_exit_to_usermode+0x350/0x350 [ 25.898228] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 25.903579] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 25.908403] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 25.913569] RIP: 0033:0x442759 [ 25.916736] RSP: 002b:00007ffd1bbb3238 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 25.924424] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000442759 [ 25.931673] RDX: 00000000200002c0 RSI: 0000000020000140 RDI: 0000000020000300 [ 25.938923] RBP: 00007ffd1bbb3ae0 R08: 0000000020000200 R09: 0000000000000000 [ 25.946172] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 25.953424] R13: 0000000000000003 R14: 0000000000000000 R15: 00007ffd1bbb3378 [ 25.960688] CPU: 1 PID: 4447 Comm: syzkaller853443 Not tainted 4.16.0-rc6+ #43 [ 25.960941] net/sunrpc/rpc_pipe.c: rpc_populate failed to populate directory clntXX [ 25.968035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.968039] Call Trace: [ 25.968051] dump_stack+0x194/0x24d [ 25.968062] ? arch_local_irq_restore+0x53/0x53 [ 25.975918] net/sunrpc/rpc_pipe.c: rpc_populate failed to populate directory clntXX [ 25.985160] should_fail+0x8c0/0xa40 [ 25.985169] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 25.985180] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 25.985188] ? __lock_acquire+0x664/0x3e00 [ 26.004575] FAULT_INJECTION: forcing a failure. [ 26.004575] name failslab, interval 1, probability 0, space 0, times 0 [ 26.007547] ? __lock_acquire+0x664/0x3e00 [ 26.007559] ? find_held_lock+0x35/0x1d0 [ 26.007569] ? __lock_is_held+0xb6/0x140 [ 26.007587] ? check_same_owner+0x320/0x320 [ 26.049839] ? __d_lookup+0x4f4/0x830 [ 26.053625] ? rcu_note_context_switch+0x710/0x710 [ 26.058888] should_failslab+0xec/0x120 [ 26.062844] kmem_cache_alloc+0x47/0x760 [ 26.066889] __d_alloc+0xc1/0xbd0 [ 26.070327] ? shrink_dcache_for_umount+0x290/0x290 [ 26.075329] ? d_alloc_parallel+0x1b40/0x1b40 [ 26.079810] ? lock_release+0xa40/0xa40 [ 26.083768] ? mark_held_locks+0xaf/0x100 [ 26.087905] ? d_lookup+0x133/0x2e0 [ 26.091514] ? d_lookup+0x1d5/0x2e0 [ 26.095129] ? current_kernel_time64+0x1d4/0x2f0 [ 26.099866] d_alloc+0x8e/0x340 [ 26.103129] ? __d_alloc+0xbd0/0xbd0 [ 26.106819] ? full_name_hash+0x9b/0xe0 [ 26.110781] __rpc_lookup_create_exclusive+0x183/0x1d0 [ 26.116038] ? down_write_nested+0x8b/0x120 [ 26.120339] ? rpc_d_lookup_sb+0x1a0/0x1a0 [ 26.124555] ? _down_write_nest_lock+0x120/0x120 [ 26.129289] ? __d_lookup+0x830/0x830 [ 26.133074] rpc_mkpipe_dentry+0xf8/0x360 [ 26.137210] rpc_fill_super+0x85e/0xae0 [ 26.141167] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 26.146341] ? security_capable+0x8e/0xc0 [ 26.150471] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 26.155643] ? ns_capable_common+0xcf/0x160 [ 26.159953] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 26.165131] mount_ns+0xc4/0x190 [ 26.168480] rpc_mount+0x9e/0xd0 [ 26.171830] mount_fs+0x66/0x2d0 [ 26.175180] vfs_kern_mount.part.26+0xc6/0x4a0 [ 26.179745] ? may_umount+0xa0/0xa0 [ 26.183353] ? _raw_read_unlock+0x22/0x30 [ 26.187480] ? __get_fs_type+0x8a/0xc0 [ 26.191348] do_mount+0xea4/0x2bb0 [ 26.194871] ? copy_mount_string+0x40/0x40 [ 26.199086] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 26.204084] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 26.208822] ? retint_kernel+0x10/0x10 [ 26.212707] ? copy_mount_options+0x181/0x2e0 [ 26.217185] ? copy_mount_options+0x1f7/0x2e0 [ 26.221662] SyS_mount+0xab/0x120 [ 26.225092] ? copy_mnt_ns+0xb30/0xb30 [ 26.228963] do_syscall_64+0x281/0x940 [ 26.232832] ? vmalloc_sync_all+0x30/0x30 [ 26.236960] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 26.241699] ? syscall_return_slowpath+0x550/0x550 [ 26.246611] ? syscall_return_slowpath+0x2ac/0x550 [ 26.251520] ? prepare_exit_to_usermode+0x350/0x350 [ 26.256519] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 26.261866] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 26.266693] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 26.271864] RIP: 0033:0x442759 [ 26.275033] RSP: 002b:00007ffd1bbb3238 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 26.282723] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000442759 [ 26.289976] RDX: 00000000200002c0 RSI: 0000000020000140 RDI: 0000000020000300 [ 26.297226] RBP: 00007ffd1bbb3ae0 R08: 0000000020000200 R09: 0000000300000000 [ 26.304474] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 26.311723] R13: 0000000000000003 R14: 0000000000001380 R15: 00007ffd1bbb3378 [ 26.318985] CPU: 0 PID: 4448 Comm: syzkaller853443 Not tainted 4.16.0-rc6+ #43 [ 26.326339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.335682] Call Trace: [ 26.338245] dump_stack+0x194/0x24d [ 26.341846] ? arch_local_irq_restore+0x53/0x53 [ 26.346491] should_fail+0x8c0/0xa40 [ 26.350177] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 26.355258] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 26.360423] ? __lock_acquire+0x664/0x3e00 [ 26.364630] ? find_held_lock+0x35/0x1d0 [ 26.368672] ? __lock_is_held+0xb6/0x140 [ 26.372710] ? check_same_owner+0x320/0x320 [ 26.377004] ? __d_lookup+0x4f4/0x830 [ 26.380785] ? rcu_note_context_switch+0x710/0x710 [ 26.385686] should_failslab+0xec/0x120 [ 26.389632] kmem_cache_alloc+0x47/0x760 [ 26.393675] __d_alloc+0xc1/0xbd0 [ 26.397104] ? shrink_dcache_for_umount+0x290/0x290 [ 26.402097] ? d_alloc_parallel+0x1b40/0x1b40 [ 26.406567] ? lock_release+0xa40/0xa40 [ 26.410511] ? d_alloc_parallel+0x1b40/0x1b40 [ 26.414981] ? mark_held_locks+0xaf/0x100 [ 26.419101] ? d_lookup+0x133/0x2e0 [ 26.422703] ? d_lookup+0x1d5/0x2e0 [ 26.426307] d_alloc+0x8e/0x340 [ 26.429558] ? __d_alloc+0xbd0/0xbd0 [ 26.433242] ? full_name_hash+0x9b/0xe0 [ 26.437193] __rpc_lookup_create_exclusive+0x183/0x1d0 [ 26.442452] ? down_write_nested+0x8b/0x120 [ 26.446755] ? rpc_d_lookup_sb+0x1a0/0x1a0 [ 26.450962] ? _down_write_nest_lock+0x120/0x120 [ 26.455783] ? rpc_d_lookup_sb+0x115/0x1a0 [ 26.459991] ? lock_release+0xa40/0xa40 [ 26.463942] rpc_mkpipe_dentry+0xf8/0x360 [ 26.468072] nfs4blocklayout_register_sb+0x4b/0x70 [ 26.472976] rpc_pipefs_event+0x3a4/0x480 [ 26.477099] ? nfs4blocklayout_net_init+0x460/0x460 [ 26.482088] ? lock_release+0xa40/0xa40 [ 26.486038] ? check_same_owner+0x320/0x320 [ 26.490335] ? dput.part.20+0x1d9/0x830 [ 26.494283] notifier_call_chain+0x136/0x2c0 [ 26.498668] ? unregister_die_notifier+0x20/0x20 [ 26.503398] ? down_read+0x96/0x150 [ 26.506997] ? blocking_notifier_call_chain+0xe1/0x190 [ 26.512260] ? __down_interruptible+0x6b0/0x6b0 [ 26.516901] ? _raw_spin_unlock+0x22/0x30 [ 26.521030] blocking_notifier_call_chain+0x102/0x190 [ 26.526306] ? srcu_init_notifier_head+0x80/0x80 [ 26.531058] rpc_fill_super+0x525/0xae0 [ 26.535014] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 26.540186] ? security_capable+0x8e/0xc0 [ 26.544309] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 26.549470] ? ns_capable_common+0xcf/0x160 [ 26.553762] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 26.558936] mount_ns+0xc4/0x190 [ 26.562277] rpc_mount+0x9e/0xd0 [ 26.565618] mount_fs+0x66/0x2d0 [ 26.568960] vfs_kern_mount.part.26+0xc6/0x4a0 [ 26.573512] ? may_umount+0xa0/0xa0 [ 26.577110] ? _raw_read_unlock+0x22/0x30 [ 26.581230] ? __get_fs_type+0x8a/0xc0 [ 26.585091] do_mount+0xea4/0x2bb0 [ 26.588606] ? copy_mount_string+0x40/0x40 [ 26.592822] ? rcu_pm_notify+0xc0/0xc0 [ 26.596776] ? copy_mount_options+0x5f/0x2e0 [ 26.601159] ? rcu_read_lock_sched_held+0x108/0x120 [ 26.606149] ? kmem_cache_alloc_trace+0x459/0x740 [ 26.610965] ? kasan_check_write+0x14/0x20 [ 26.615174] ? _copy_from_user+0x99/0x110 [ 26.619295] ? copy_mount_options+0x1f7/0x2e0 [ 26.623893] SyS_mount+0xab/0x120 [ 26.627318] ? copy_mnt_ns+0xb30/0xb30 [ 26.631178] do_syscall_64+0x281/0x940 [ 26.635051] ? vmalloc_sync_all+0x30/0x30 [ 26.639173] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 26.643910] ? syscall_return_slowpath+0x550/0x550 [ 26.648813] ? syscall_return_slowpath+0x2ac/0x550 [ 26.653714] ? prepare_exit_to_usermode+0x350/0x350 [ 26.658706] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 26.664059] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 26.669678] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 26.674843] RIP: 0033:0x442759 [ 26.678008] RSP: 002b:00007ffd1bbb3238 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 26.686555] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000442759 [ 26.693797] RDX: 00000000200002c0 RSI: 0000000020000140 RDI: 0000000020000300 [ 26.701265] RBP: 00007ffd1bbb3ae0 R08: 0000000020000200 R09: 0000000300000000 [ 26.708509] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 26.716086] R13: 0000000000000003 R14: 0000000000001380 R15: 00007ffd1bbb3378 [ 26.727358] list_del corruption. prev->next should be 00000000a8104008, but was 00000000081c6144 [ 26.737590] ------------[ cut here ]------------ [ 26.742327] kernel BUG at lib/list_debug.c:53! [ 26.746921] invalid opcode: 0000 [#1] SMP KASAN [ 26.751570] Dumping ftrace buffer: [ 26.755078] (ftrace buffer empty) [ 26.758761] Modules linked in: [ 26.761966] CPU: 0 PID: 4448 Comm: syzkaller853443 Not tainted 4.16.0-rc6+ #43 [ 26.769293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.778625] RIP: 0010:__list_del_entry_valid+0xef/0x150 [ 26.783960] RSP: 0018:ffff8801b8f977a0 EFLAGS: 00010282 [ 26.789292] RAX: 0000000000000054 RBX: ffff8801b0c1cf60 RCX: 0000000000000000 [ 26.796531] RDX: 0000000000000054 RSI: 1ffff100371f2ea9 RDI: ffffed00371f2ee8 [ 26.803776] RBP: ffff8801b8f977b8 R08: 1ffff100371f2e40 R09: 0000000000000000 [ 26.811027] R10: ffff8801b8f97778 R11: 0000000000000000 R12: ffff8801b0c1cde0 [ 26.818275] R13: 1ffff100371f2efd R14: ffff8801b0c1cc70 R15: dffffc0000000000 [ 26.825517] FS: 00000000023a5880(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 [ 26.833715] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.839579] CR2: 00000000004b6fbc CR3: 00000001c85a6004 CR4: 00000000001606f0 [ 26.846821] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.854077] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.861317] Call Trace: [ 26.863883] __dentry_kill+0x260/0x700 [ 26.867742] ? check_and_drop+0x1b0/0x1b0 [ 26.871858] ? d_path+0x930/0x930 [ 26.875297] ? rcu_note_context_switch+0x710/0x710 [ 26.880200] dput.part.20+0x5a0/0x830 [ 26.883972] ? d_path+0x930/0x930 [ 26.887397] ? rpc_show_info+0x460/0x460 [ 26.891432] ? d_delete+0x181/0x280 [ 26.895207] dput+0x1f/0x30 [ 26.898110] rpc_fill_super+0x628/0xae0 [ 26.902055] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 26.907321] ? security_capable+0x8e/0xc0 [ 26.911439] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 26.916599] ? ns_capable_common+0xcf/0x160 [ 26.920893] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 26.926052] mount_ns+0xc4/0x190 [ 26.929398] rpc_mount+0x9e/0xd0 [ 26.932732] mount_fs+0x66/0x2d0 [ 26.936072] vfs_kern_mount.part.26+0xc6/0x4a0 [ 26.940628] ? may_umount+0xa0/0xa0 [ 26.944369] ? _raw_read_unlock+0x22/0x30 [ 26.948487] ? __get_fs_type+0x8a/0xc0 [ 26.952343] do_mount+0xea4/0x2bb0 [ 26.955856] ? copy_mount_string+0x40/0x40 [ 26.960067] ? rcu_pm_notify+0xc0/0xc0 [ 26.963934] ? copy_mount_options+0x5f/0x2e0 [ 26.968323] ? rcu_read_lock_sched_held+0x108/0x120 [ 26.973324] ? kmem_cache_alloc_trace+0x459/0x740 [ 26.978136] ? kasan_check_write+0x14/0x20 [ 26.982347] ? _copy_from_user+0x99/0x110 [ 26.986465] ? copy_mount_options+0x1f7/0x2e0 [ 26.991905] SyS_mount+0xab/0x120 [ 26.995332] ? copy_mnt_ns+0xb30/0xb30 [ 26.999192] do_syscall_64+0x281/0x940 [ 27.003223] ? vmalloc_sync_all+0x30/0x30 [ 27.007347] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 27.012076] ? syscall_return_slowpath+0x550/0x550 [ 27.016974] ? syscall_return_slowpath+0x2ac/0x550 [ 27.021873] ? prepare_exit_to_usermode+0x350/0x350 [ 27.026861] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 27.032198] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 27.037019] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 27.042182] RIP: 0033:0x442759 [ 27.045344] RSP: 002b:00007ffd1bbb3238 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 27.053028] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000442759 [ 27.060269] RDX: 00000000200002c0 RSI: 0000000020000140 RDI: 0000000020000300 [ 27.067507] RBP: 00007ffd1bbb3ae0 R08: 0000000020000200 R09: 0000000300000000 [ 27.074745] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 27.081985] R13: 0000000000000003 R14: 0000000000001380 R15: 00007ffd1bbb3378 [ 27.089227] Code: 4c 89 e2 48 c7 c7 c0 bf 75 87 e8 35 c1 46 fe 0f 0b 48 c7 c7 20 c0 75 87 e8 27 c1 46 fe 0f 0b 48 c7 c7 80 c0 75 87 e8 19 c1 46 fe <0f> 0b 48 c7 c7 e0 c0 75 87 e8 0b c1 46 fe 0f 0b 48 89 df 48 89 [ 27.108295] RIP: __list_del_entry_valid+0xef/0x150 RSP: ffff8801b8f977a0 [ 27.115148] ---[ end trace e1b9954cded9aca7 ]--- [ 27.119906] Kernel panic - not syncing: Fatal exception [ 27.125782] Dumping ftrace buffer: [ 27.129308] (ftrace buffer empty) [ 27.132987] Kernel Offset: disabled [ 27.136583] Rebooting in 86400 seconds..