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 '10.128.10.32' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 25.670386] FAULT_INJECTION: forcing a failure. [ 25.670386] name failslab, interval 1, probability 0, space 0, times 1 [ 25.681625] CPU: 0 PID: 4485 Comm: syzkaller671296 Not tainted 4.16.0+ #2 [ 25.688606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.697943] Call Trace: [ 25.700554] dump_stack+0x1b9/0x294 [ 25.704219] ? dump_stack_print_info.cold.2+0x52/0x52 [ 25.709414] ? perf_trace_lock_acquire+0x4f1/0x980 [ 25.714337] should_fail.cold.4+0xa/0x1a [ 25.718387] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 25.723478] ? graph_lock+0x170/0x170 [ 25.727267] ? find_held_lock+0x36/0x1c0 [ 25.731354] ? find_held_lock+0x36/0x1c0 [ 25.735477] __should_failslab+0x124/0x180 [ 25.739726] should_failslab+0x9/0x14 [ 25.743543] kmem_cache_alloc+0x47/0x760 [ 25.747625] ? rcu_note_context_switch+0x710/0x710 [ 25.752570] ? mempool_free+0x370/0x370 [ 25.756546] mempool_alloc_slab+0x44/0x60 [ 25.760701] mempool_alloc+0x18b/0x490 [ 25.764590] ? __kmalloc_track_caller+0x14a/0x760 [ 25.769445] ? remove_element.isra.4+0x1c0/0x1c0 [ 25.774207] ? rpc_create_xprt+0x282/0x3f0 [ 25.778444] ? rpc_create+0x52e/0x900 [ 25.782258] ? nfs_create_rpc_client+0x63e/0x850 [ 25.787020] ? nfs_init_client+0x74/0x100 [ 25.791171] ? nfs_get_client+0x1065/0x1500 [ 25.795498] ? nfs_init_server+0x364/0xfb0 [ 25.799734] ? nfs_create_server+0x86/0x5f0 [ 25.804058] ? nfs_try_mount+0x177/0xab0 [ 25.808121] ? nfs_fs_mount+0x17de/0x2efd [ 25.812274] ? mount_fs+0xae/0x328 [ 25.815816] ? vfs_kern_mount.part.34+0xd4/0x4d0 [ 25.820571] ? do_mount+0x564/0x3070 [ 25.824283] ? ksys_mount+0x12d/0x140 [ 25.828092] ? SyS_mount+0x35/0x50 [ 25.831634] ? do_syscall_64+0x29e/0x9d0 [ 25.835695] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 25.841069] ? set_precision+0xe0/0xe0 [ 25.844967] rpc_new_task+0x580/0x7f0 [ 25.848773] ? rpc_execute+0x4c0/0x4c0 [ 25.852670] ? kasan_check_read+0x11/0x20 [ 25.856820] ? rcu_is_watching+0x85/0x140 [ 25.860973] ? rcu_pm_notify+0xc0/0xc0 [ 25.864878] rpc_run_task+0x85/0x8c0 [ 25.868597] ? rcu_read_lock_sched_held+0x108/0x120 [ 25.873614] ? __kmalloc_track_caller+0x5f5/0x760 [ 25.878473] ? rpc_killall_tasks+0x2f0/0x2f0 [ 25.882899] ? memcpy+0x45/0x50 [ 25.886187] ? kstrdup+0x59/0x70 [ 25.889566] rpcb_call_async+0x23f/0x2e0 [ 25.893636] ? rpcb_register_call+0x1f0/0x1f0 [ 25.898156] ? _raw_spin_unlock_bh+0x30/0x40 [ 25.902582] rpcb_getport_async+0xbff/0xee0 [ 25.906911] ? mempool_free+0x370/0x370 [ 25.910898] ? rpcb_map_release+0xe0/0xe0 [ 25.915056] ? remove_element.isra.4+0x1c0/0x1c0 [ 25.919832] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 25.925371] ? rpcauth_refreshcred+0x12f/0x670 [ 25.929953] ? call_start+0x24b/0x6b0 [ 25.933761] ? kasan_check_read+0x11/0x20 [ 25.937912] ? rcu_is_watching+0x85/0x140 [ 25.942063] ? rcu_pm_notify+0xc0/0xc0 [ 25.945957] ? rpc_malloc+0x1d5/0x260 [ 25.949780] call_bind+0x161/0x1c0 [ 25.953323] ? rpc_restart_call+0xf0/0xf0 [ 25.957478] __rpc_execute+0x28a/0xfe0 [ 25.961392] ? rpc_wake_up_queued_task+0x90/0x90 [ 25.966156] ? perf_trace_lock+0x900/0x900 [ 25.970416] ? pvclock_read_flags+0x160/0x160 [ 25.974920] ? var_wake_function+0x150/0x150 [ 25.979342] ? __lock_is_held+0xb5/0x140 [ 25.983456] ? wake_up_bit+0x3d/0x40 [ 25.987193] ? rpc_make_runnable+0x1ee/0x2a0 [ 25.991615] ? rpc_exit_task+0x2d0/0x2d0 [ 25.995704] rpc_execute+0x3bb/0x4c0 [ 25.999442] ? rpc_release_calldata+0x60/0x60 [ 26.003951] ? do_raw_spin_unlock+0x9e/0x2e0 [ 26.008374] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 26.012977] ? kasan_check_write+0x14/0x20 [ 26.017226] ? do_raw_spin_lock+0xc1/0x200 [ 26.021494] rpc_run_task+0x615/0x8c0 [ 26.025316] ? refcount_sub_and_test+0x131/0x330 [ 26.030092] ? rpc_killall_tasks+0x2f0/0x2f0 [ 26.034516] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 26.039296] ? xprt_iter_init+0xa0/0x1b0 [ 26.043381] rpc_call_sync+0x196/0x290 [ 26.047368] ? rpc_call_null+0x40/0x40 [ 26.051291] rpc_ping+0x155/0x1f0 [ 26.054759] ? rpc_call_sync+0x290/0x290 [ 26.058859] rpc_create_xprt+0x282/0x3f0 [ 26.062941] rpc_create+0x52e/0x900 [ 26.066590] ? rpc_create_xprt+0x3f0/0x3f0 [ 26.070849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 26.076414] ? find_held_lock+0x36/0x1c0 [ 26.080510] nfs_create_rpc_client+0x63e/0x850 [ 26.085106] ? nfs_mark_client_ready+0x60/0x60 [ 26.089721] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 26.094932] nfs_init_client+0x74/0x100 [ 26.098922] nfs_get_client+0x1065/0x1500 [ 26.103082] ? nfs_alloc_fattr+0x48/0x1d0 [ 26.107247] ? vfs_kern_mount.part.34+0xd4/0x4d0 [ 26.112035] ? nfs_put_client+0x30/0x30 [ 26.116116] ? rpc_init_wait_queue+0x22/0x30 [ 26.120558] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 26.126104] ? nfs_init_timeout_values+0x2f8/0x410 [ 26.131056] nfs_init_server+0x364/0xfb0 [ 26.135136] ? nfs_clone_server+0x920/0x920 [ 26.139479] ? rcu_read_lock_sched_held+0x108/0x120 [ 26.144534] ? kasan_check_write+0x14/0x20 [ 26.148787] nfs_create_server+0x86/0x5f0 [ 26.152951] ? find_held_lock+0x36/0x1c0 [ 26.157033] nfs_try_mount+0x177/0xab0 [ 26.160945] ? lock_downgrade+0x8e0/0x8e0 [ 26.165111] ? nfs_request_mount.constprop.20+0x900/0x900 [ 26.170669] ? module_unload_free+0x5b0/0x5b0 [ 26.175183] ? kasan_check_read+0x11/0x20 [ 26.179348] ? do_raw_spin_unlock+0x9e/0x2e0 [ 26.183777] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 26.188378] ? kasan_check_write+0x14/0x20 [ 26.192625] ? do_raw_spin_lock+0xc1/0x200 [ 26.196877] ? _raw_spin_unlock+0x22/0x30 [ 26.201057] nfs_fs_mount+0x17de/0x2efd [ 26.205055] ? nfs_show_options+0x250/0x250 [ 26.209401] ? nfs_clone_super+0x420/0x420 [ 26.213657] ? nfs_parse_mount_options+0x2640/0x2640 [ 26.218813] ? lock_downgrade+0x8e0/0x8e0 [ 26.223013] ? module_unload_free+0x5b0/0x5b0 [ 26.227552] mount_fs+0xae/0x328 [ 26.230932] ? mpi_free.cold.1+0x19/0x19 [ 26.235012] vfs_kern_mount.part.34+0xd4/0x4d0 [ 26.239616] ? may_umount+0xb0/0xb0 [ 26.243266] ? _raw_read_unlock+0x22/0x30 [ 26.247453] ? __get_fs_type+0x97/0xc0 [ 26.251368] do_mount+0x564/0x3070 [ 26.254929] ? copy_mount_string+0x40/0x40 [ 26.259169] ? rcu_pm_notify+0xc0/0xc0 [ 26.263080] ? copy_mount_options+0x5f/0x380 [ 26.267497] ? rcu_read_lock_sched_held+0x108/0x120 [ 26.272527] ? kmem_cache_alloc_trace+0x616/0x780 [ 26.277385] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 26.282942] ? _copy_from_user+0xdf/0x150 [ 26.287109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 26.292659] ? copy_mount_options+0x285/0x380 [ 26.297172] ksys_mount+0x12d/0x140 [ 26.300814] SyS_mount+0x35/0x50 [ 26.304187] ? ksys_mount+0x140/0x140 [ 26.307999] do_syscall_64+0x29e/0x9d0 [ 26.311895] ? vmalloc_sync_all+0x30/0x30 [ 26.316060] ? _raw_spin_unlock_irq+0x27/0x70 [ 26.320574] ? finish_task_switch+0x1ca/0x810 [ 26.325081] ? syscall_return_slowpath+0x5c0/0x5c0 [ 26.330026] ? syscall_return_slowpath+0x30f/0x5c0 [ 26.334976] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 26.340358] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 26.345223] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 26.350423] RIP: 0033:0x445db9 [ 26.353623] RSP: 002b:00007fe465040d78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 26.361348] RAX: ffffffffffffffda RBX: 00000000006dbc24 RCX: 0000000000445db9 [ 26.368624] RDX: 000000002015bffc RSI: 0000000020343ff8 RDI: 0000000020dba000 [ 26.375899] RBP: 00000000006dbc20 R08: 000000002000a000 R09: 0000000000003437 [ 26.383182] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe465040d80 [ 26.390458] R13: 0030656c69662f2e R14: ffffffffffffffff R15: 0000000000000004 [ 26.401480] FAULT_INJECTION: forcing a failure. [ 26.401480] name failslab, interval 1, probability 0, space 0, times 0 [ 26.409498] rpcbind: RPC call returned error 22 [ 26.412734] CPU: 0 PID: 4487 Comm: syzkaller671296 Not tainted 4.16.0+ #2 [ 26.424325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.433664] Call Trace: [ 26.436233] dump_stack+0x1b9/0x294 [ 26.439844] ? dump_stack_print_info.cold.2+0x52/0x52 [ 26.445028] ? ip6_addr_string+0x151/0x1d0 [ 26.449251] should_fail.cold.4+0xa/0x1a [ 26.453294] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 26.458377] ? put_dec+0x3b/0xf0 [ 26.461723] ? number+0x967/0xc90 [ 26.465159] ? put_dec+0xf0/0xf0 [ 26.468503] ? format_decode+0x1a9/0xae0 [ 26.472553] ? set_precision+0xe0/0xe0 [ 26.476423] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 26.481948] ? vsnprintf+0x242/0x1b40 [ 26.485730] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 26.491250] ? pointer+0xa20/0xa20 [ 26.494776] __should_failslab+0x124/0x180 [ 26.498989] should_failslab+0x9/0x14 [ 26.502774] __kmalloc_track_caller+0x5f/0x760 [ 26.507350] ? vsprintf+0x40/0x40 [ 26.510810] ? memcpy+0x45/0x50 [ 26.514076] ? rpc_sockaddr2uaddr+0x1c6/0x2bb [ 26.518550] kstrdup+0x39/0x70 [ 26.521723] rpc_sockaddr2uaddr+0x1c6/0x2bb [ 26.526035] ? rpc_ntop+0x280/0x280 [ 26.529650] ? kmem_cache_alloc_trace+0x616/0x780 [ 26.534471] ? _raw_spin_unlock_bh+0x30/0x40 [ 26.538863] rpcb_getport_async+0xb9e/0xee0 [ 26.543163] ? mempool_free+0x370/0x370 [ 26.547116] ? rpcb_map_release+0xe0/0xe0 [ 26.551249] ? remove_element.isra.4+0x1c0/0x1c0 [ 26.555989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 26.561505] ? rpcauth_refreshcred+0x12f/0x670 [ 26.566066] ? call_start+0x24b/0x6b0 [ 26.569851] ? kasan_check_read+0x11/0x20 [ 26.573975] ? rcu_is_watching+0x85/0x140 [ 26.578099] ? rcu_pm_notify+0xc0/0xc0 [ 26.581966] ? rpc_malloc+0x1d5/0x260 [ 26.585750] call_bind+0x161/0x1c0 [ 26.589266] ? rpc_restart_call+0xf0/0xf0 [ 26.593391] __rpc_execute+0x28a/0xfe0 [ 26.597260] ? perf_trace_lock_acquire+0xe3/0x980 [ 26.602083] ? rpc_wake_up_queued_task+0x90/0x90 [ 26.606815] ? perf_trace_lock+0x900/0x900 [ 26.611034] ? pvclock_read_flags+0x160/0x160 [ 26.615508] ? graph_lock+0x170/0x170 [ 26.619287] ? var_wake_function+0x150/0x150 [ 26.623673] ? __lock_is_held+0xb5/0x140 [ 26.627717] ? wake_up_bit+0x3d/0x40 [ 26.631409] ? rpc_make_runnable+0x1ee/0x2a0 [ 26.635808] ? rpc_exit_task+0x2d0/0x2d0 [ 26.639862] rpc_execute+0x3bb/0x4c0 [ 26.643555] ? rpc_release_calldata+0x60/0x60 [ 26.648034] ? do_raw_spin_unlock+0x9e/0x2e0 [ 26.652427] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 26.657005] ? kasan_check_write+0x14/0x20 [ 26.661228] ? do_raw_spin_lock+0xc1/0x200 [ 26.665445] rpc_run_task+0x615/0x8c0 [ 26.669237] ? refcount_sub_and_test+0x131/0x330 [ 26.673976] ? rpc_killall_tasks+0x2f0/0x2f0 [ 26.678365] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 26.683114] ? xprt_iter_init+0xa0/0x1b0 [ 26.687173] rpc_call_sync+0x196/0x290 [ 26.691043] ? rpc_call_null+0x40/0x40 [ 26.694915] rpc_ping+0x155/0x1f0 [ 26.698347] ? rpc_call_sync+0x290/0x290 [ 26.702441] rpc_create_xprt+0x282/0x3f0 [ 26.706494] rpc_create+0x52e/0x900 [ 26.710103] ? rpc_create_xprt+0x3f0/0x3f0 [ 26.714324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 26.719846] ? find_held_lock+0x36/0x1c0 [ 26.723891] nfs_create_rpc_client+0x63e/0x850 [ 26.728451] ? nfs_mark_client_ready+0x60/0x60 [ 26.733029] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 26.738202] nfs_init_client+0x74/0x100 [ 26.742155] nfs_get_client+0x1065/0x1500 [ 26.746282] ? nfs_alloc_fattr+0x48/0x1d0 [ 26.750426] ? nfs_put_client+0x30/0x30 [ 26.754384] ? rpc_init_wait_queue+0x22/0x30 [ 26.758785] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 26.764298] ? nfs_init_timeout_values+0x2f8/0x410 [ 26.769206] nfs_init_server+0x364/0xfb0 [ 26.773247] ? nfs_clone_server+0x920/0x920 [ 26.777547] ? rcu_read_lock_sched_held+0x108/0x120 [ 26.782549] ? kasan_check_write+0x14/0x20 [ 26.786762] nfs_create_server+0x86/0x5f0 [ 26.790886] ? find_held_lock+0x36/0x1c0 [ 26.794928] nfs_try_mount+0x177/0xab0 [ 26.798798] ? lock_downgrade+0x8e0/0x8e0 [ 26.802927] ? nfs_request_mount.constprop.20+0x900/0x900 [ 26.808446] ? module_unload_free+0x5b0/0x5b0 [ 26.812918] ? kasan_check_read+0x11/0x20 [ 26.817047] ? do_raw_spin_unlock+0x9e/0x2e0 [ 26.821435] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 26.825998] ? kasan_check_write+0x14/0x20 [ 26.830228] ? do_raw_spin_lock+0xc1/0x200 [ 26.834452] ? _raw_spin_unlock+0x22/0x30 [ 26.838585] nfs_fs_mount+0x17de/0x2efd [ 26.842550] ? nfs_show_options+0x250/0x250 [ 26.846852] ? nfs_clone_super+0x420/0x420 [ 26.851070] ? nfs_parse_mount_options+0x2640/0x2640 [ 26.856158] ? lock_downgrade+0x8e0/0x8e0 [ 26.860292] ? module_unload_free+0x5b0/0x5b0 [ 26.864770] mount_fs+0xae/0x328 [ 26.868115] ? mpi_free.cold.1+0x19/0x19 [ 26.872157] vfs_kern_mount.part.34+0xd4/0x4d0 [ 26.876720] ? may_umount+0xb0/0xb0 [ 26.880328] ? _raw_read_unlock+0x22/0x30 [ 26.884458] ? __get_fs_type+0x97/0xc0 [ 26.888328] do_mount+0x564/0x3070 [ 26.891859] ? copy_mount_string+0x40/0x40 [ 26.896075] ? rcu_pm_notify+0xc0/0xc0 [ 26.899944] ? copy_mount_options+0x5f/0x380 [ 26.904334] ? rcu_read_lock_sched_held+0x108/0x120 [ 26.909332] ? kmem_cache_alloc_trace+0x616/0x780 [ 26.914158] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 26.919677] ? _copy_from_user+0xdf/0x150 [ 26.923812] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 26.929327] ? copy_mount_options+0x285/0x380 [ 26.933804] ksys_mount+0x12d/0x140 [ 26.937416] SyS_mount+0x35/0x50 [ 26.940768] ? ksys_mount+0x140/0x140 [ 26.944548] do_syscall_64+0x29e/0x9d0 [ 26.948413] ? _raw_spin_unlock_irq+0x27/0x70 [ 26.952889] ? finish_task_switch+0x1ca/0x810 [ 26.957365] ? syscall_return_slowpath+0x5c0/0x5c0 [ 26.962275] ? syscall_return_slowpath+0x30f/0x5c0 [ 26.967192] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 26.972538] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 26.977361] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 26.982527] RIP: 0033:0x445db9 [ 26.985694] RSP: 002b:00007fe464ffed78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 26.994396] RAX: ffffffffffffffda RBX: 00000000006dbc54 RCX: 0000000000445db9 [ 27.001662] RDX: 000000002015bffc RSI: 0000000020343ff8 RDI: 0000000020dba000 [ 27.008918] RBP: 00000000006dbc50 R08: 000000002000a000 R09: 0000000000003437 [ 27.016173] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe464ffed80 [ 27.023422] R13: 0030656c69662f2e R14: ffffffffffffffff R15: 0000000000000006 [ 27.035933] kasan: CONFIG_KASAN_INLINE enabled [ 27.040914] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 27.048411] general protection fault: 0000 [#1] SMP KASAN [ 27.053938] Dumping ftrace buffer: [ 27.057454] (ftrace buffer empty) [ 27.061139] Modules linked in: [ 27.064312] CPU: 0 PID: 1861 Comm: kworker/u4:4 Not tainted 4.16.0+ #2 [ 27.070949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.080287] Workqueue: rpciod rpc_async_schedule [ 27.085028] RIP: 0010:strlen+0x1f/0xa0 [ 27.088886] RSP: 0018:ffff8801cf75f318 EFLAGS: 00010296 [ 27.094225] RAX: dffffc0000000000 RBX: ffff8801cf68f200 RCX: ffffffff86a8c407 [ 27.101471] RDX: 0000000000000000 RSI: ffffffff86a84d7b RDI: 0000000000000000 [ 27.108718] RBP: ffff8801cf75f330 R08: ffff8801cf7de080 R09: ffffed0039ea3d43 [ 27.115966] R10: ffffed0039ea3d43 R11: ffff8801cf51ea1f R12: 0000000000000000 [ 27.123218] R13: 0000000002000000 R14: 0000000000000000 R15: ffff8801cf75f3e0 [ 27.130467] FS: 0000000000000000(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 [ 27.138668] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.144522] CR2: 00007f64808a4000 CR3: 00000001b566a000 CR4: 00000000001406f0 [ 27.151767] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 27.159018] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 27.166270] Call Trace: [ 27.168839] encode_rpcb_string+0x23/0x70 [ 27.172980] rpcb_enc_getaddr+0x146/0x1f0 [ 27.177120] ? encode_rpcb_string+0x70/0x70 [ 27.181415] rpcauth_wrap_req+0x1a8/0x230 [ 27.185538] ? rpcauth_checkverf+0xe0/0xe0 [ 27.189750] ? encode_rpcb_string+0x70/0x70 [ 27.194049] call_transmit+0x8a9/0xfe0 [ 27.197916] ? call_decode+0xf50/0xf50 [ 27.201783] __rpc_execute+0x28a/0xfe0 [ 27.205647] ? rpc_wake_up_queued_task+0x90/0x90 [ 27.210386] ? lock_downgrade+0x8e0/0x8e0 [ 27.214512] ? find_held_lock+0x36/0x1c0 [ 27.218550] ? graph_lock+0x170/0x170 [ 27.222335] ? lock_acquire+0x1dc/0x520 [ 27.226291] ? process_one_work+0xb46/0x1b50 [ 27.230677] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 27.235759] ? __lock_is_held+0xb5/0x140 [ 27.239801] rpc_async_schedule+0x16/0x20 [ 27.243930] process_one_work+0xc1e/0x1b50 [ 27.248141] ? finish_task_switch+0x28b/0x810 [ 27.252613] ? pwq_dec_nr_in_flight+0x490/0x490 [ 27.257259] ? __schedule+0x809/0x1e30 [ 27.261123] ? graph_lock+0x170/0x170 [ 27.264898] ? find_held_lock+0x36/0x1c0 [ 27.268931] ? find_held_lock+0x36/0x1c0 [ 27.272967] ? lock_acquire+0x1dc/0x520 [ 27.276914] ? worker_thread+0x41f/0x1440 [ 27.281039] ? lock_downgrade+0x8e0/0x8e0 [ 27.285163] ? lock_release+0xa10/0xa10 [ 27.289112] ? kasan_check_read+0x11/0x20 [ 27.293238] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 27.297805] worker_thread+0x1cc/0x1440 [ 27.301757] ? process_one_work+0x1b50/0x1b50 [ 27.306226] ? graph_lock+0x170/0x170 [ 27.309998] ? find_held_lock+0x36/0x1c0 [ 27.314042] ? find_held_lock+0x36/0x1c0 [ 27.318085] ? __schedule+0x1e30/0x1e30 [ 27.322036] ? do_raw_spin_unlock+0x9e/0x2e0 [ 27.326417] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 27.330974] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 27.336049] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 27.341044] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 27.346557] ? __kthread_parkme+0x1b7/0x280 [ 27.350852] kthread+0x345/0x410 [ 27.354195] ? process_one_work+0x1b50/0x1b50 [ 27.358662] ? kthread_bind+0x40/0x40 [ 27.362438] ret_from_fork+0x3a/0x50 [ 27.366123] Code: 37 ff ff ff 0f 1f 84 00 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 fa 48 c1 ea 03 48 89 e5 41 54 49 89 fc 53 48 83 ec 08 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 04 84 c0 75 4d 41 80 3c [ 27.385256] RIP: strlen+0x1f/0xa0 RSP: ffff8801cf75f318 [ 27.390662] ---[ end trace bd76ed0378a56845 ]--- [ 27.395429] Kernel panic - not syncing: Fatal exception [ 27.401185] Dumping ftrace buffer: [ 27.404702] (ftrace buffer empty) [ 27.408393] Kernel Offset: disabled [ 27.411996] Rebooting in 86400 seconds..