[....] Starting enhanced syslogd: rsyslogd[ 11.424547] audit: type=1400 audit(1514586809.504:5): avc: denied { syslog } for pid=3043 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 17.009973] audit: type=1400 audit(1514586815.089:6): avc: denied { map } for pid=3183 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 Warning: Permanently added '10.128.0.57' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 23.221615] audit: type=1400 audit(1514586821.301:7): avc: denied { map } for pid=3197 comm="syzkaller425062" path="/root/syzkaller425062220" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 23.226956] FAULT_INJECTION: forcing a failure. [ 23.226956] name failslab, interval 1, probability 0, space 0, times 1 [ 23.226969] CPU: 1 PID: 3197 Comm: syzkaller425062 Not tainted 4.15.0-rc5+ #170 executing program executing program executing program executing program [ 23.226973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.226976] Call Trace: [ 23.226989] dump_stack+0x194/0x257 [ 23.227006] ? arch_local_irq_restore+0x53/0x53 [ 23.227032] should_fail+0x8c0/0xa40 [ 23.227046] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 23.227058] ? check_noncircular+0x20/0x20 [ 23.227064] ? lock_downgrade+0x980/0x980 [ 23.227083] ? find_held_lock+0x35/0x1d0 [ 23.227096] ? find_held_lock+0x35/0x1d0 [ 23.227112] ? __lock_is_held+0xb6/0x140 [ 23.227141] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.227155] ? rcu_note_context_switch+0x710/0x710 [ 23.227177] should_failslab+0xec/0x120 [ 23.227187] kmem_cache_alloc_trace+0x4b/0x750 [ 23.227199] ? trace_hardirqs_off+0xd/0x10 [ 23.227207] ? _raw_spin_unlock_irqrestore+0xa6/0xba [ 23.227223] do_check+0x174/0xa050 [ 23.227231] ? bpf_check+0x3289/0x58c0 [ 23.227244] ? save_stack+0x43/0xd0 [ 23.227249] ? kasan_slab_free+0x71/0xc0 [ 23.227254] ? kfree+0xd6/0x260 [ 23.227261] ? bpf_prog_load+0xa2a/0x1b00 [ 23.227266] ? SyS_bpf+0x1044/0x4420 [ 23.227272] ? entry_SYSCALL_64_fastpath+0x1f/0x96 [ 23.227283] ? debug_check_no_obj_freed+0x3da/0xf1f [ 23.227289] ? print_irqtrace_events+0x270/0x270 [ 23.227303] ? check_noncircular+0x20/0x20 [ 23.227312] ? check_mem_access+0x2760/0x2760 [ 23.227325] ? free_obj_work+0x690/0x690 [ 23.227340] ? __lock_is_held+0xb6/0x140 [ 23.227364] ? mark_held_locks+0xaf/0x100 [ 23.227373] ? kfree+0xf0/0x260 [ 23.227380] ? bpf_check+0x3289/0x58c0 [ 23.227388] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 23.227407] bpf_check+0x3296/0x58c0 [ 23.227415] ? pvclock_read_flags+0x160/0x160 [ 23.227441] ? do_check+0xa050/0xa050 [ 23.227457] ? do_gettimeofday+0x190/0x190 [ 23.227466] ? __might_sleep+0x95/0x190 [ 23.227476] ? memset+0x31/0x40 [ 23.227488] ? bpf_obj_name_cpy+0x199/0x1f0 [ 23.227494] ? kasan_check_write+0x14/0x20 [ 23.227509] bpf_prog_load+0xa2a/0x1b00 [ 23.227524] ? bpf_prog_new_fd+0x50/0x50 [ 23.227536] ? avc_has_perm+0x4fb/0x680 [ 23.227544] ? avc_has_perm+0x43e/0x680 [ 23.227559] ? avc_has_perm_noaudit+0x520/0x520 [ 23.227573] ? __might_fault+0x110/0x1d0 [ 23.227583] ? lock_downgrade+0x980/0x980 [ 23.227598] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.227608] ? __check_object_size+0x25d/0x4f0 [ 23.227626] ? __might_sleep+0x95/0x190 [ 23.227640] ? selinux_bpf+0xc3/0x110 [ 23.227649] ? security_bpf+0x89/0xb0 [ 23.227663] SyS_bpf+0x1044/0x4420 [ 23.227680] ? bpf_prog_get+0x20/0x20 [ 23.227694] ? check_noncircular+0x20/0x20 [ 23.227712] ? check_noncircular+0x20/0x20 [ 23.227726] ? _kstrtoull+0x145/0x1f0 [ 23.227737] ? _parse_integer+0x140/0x140 [ 23.227742] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.227757] ? find_held_lock+0x35/0x1d0 [ 23.227776] ? get_pid_task+0x93/0x140 [ 23.227786] ? lock_downgrade+0x980/0x980 [ 23.227808] ? rcu_read_lock_held+0xa9/0xc0 [ 23.227815] ? pid_task+0xf7/0x1a0 [ 23.227834] ? putname+0xee/0x130 [ 23.227843] ? check_noncircular+0x20/0x20 [ 23.227852] ? get_pid_task+0xbc/0x140 [ 23.227863] ? proc_fail_nth_write+0xb5/0x260 [ 23.227873] ? map_files_get_link+0x3a0/0x3a0 [ 23.227902] ? find_held_lock+0x35/0x1d0 [ 23.227921] ? vfs_write+0x374/0x510 [ 23.227930] ? lock_downgrade+0x980/0x980 [ 23.227947] ? __lock_is_held+0xb6/0x140 [ 23.227978] ? __sb_end_write+0xa0/0xd0 [ 23.227987] ? vfs_write+0x224/0x510 [ 23.228002] ? SyS_write+0x184/0x220 [ 23.228023] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 23.228041] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 23.228047] RIP: 0033:0x4404f9 [ 23.228051] RSP: 002b:00007fff03dc4a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 23.228058] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00000000004404f9 [ 23.228063] RDX: 0000000000000048 RSI: 0000000020903000 RDI: 0000000000000005 [ 23.228066] RBP: 0000000000000003 R08: 0000000000000002 R09: 0000000000003332 [ 23.228070] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 23.228074] R13: 656c6c616b7a7973 R14: 0000000000000000 R15: 0000000000000000 [ 23.233385] FAULT_INJECTION: forcing a failure. [ 23.233385] name failslab, interval 1, probability 0, space 0, times 0 [ 23.233393] CPU: 1 PID: 3197 Comm: syzkaller425062 Not tainted 4.15.0-rc5+ #170 [ 23.233397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.233400] Call Trace: [ 23.233412] dump_stack+0x194/0x257 [ 23.233425] ? arch_local_irq_restore+0x53/0x53 [ 23.233437] ? __might_fault+0x110/0x1d0 [ 23.233457] should_fail+0x8c0/0xa40 [ 23.233471] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 23.233505] ? find_held_lock+0x35/0x1d0 [ 23.233522] ? __lock_is_held+0xb6/0x140 [ 23.233550] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.233563] ? rcu_note_context_switch+0x710/0x710 [ 23.233571] ? print_verifier_state+0x8ed/0xbe0 [ 23.233590] should_failslab+0xec/0x120 [ 23.233600] kmem_cache_alloc_trace+0x4b/0x750 [ 23.233625] do_check+0x59a/0xa050 [ 23.233633] ? bpf_check+0x3289/0x58c0 [ 23.233659] ? debug_check_no_obj_freed+0x3da/0xf1f [ 23.233679] ? check_mem_access+0x2760/0x2760 [ 23.233692] ? free_obj_work+0x690/0x690 [ 23.233707] ? __lock_is_held+0xb6/0x140 [ 23.233723] ? free_verifier_state+0x130/0x130 [ 23.233735] ? mark_held_locks+0xaf/0x100 [ 23.233744] ? kfree+0xf0/0x260 [ 23.233750] ? bpf_check+0x3289/0x58c0 [ 23.233759] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 23.233778] bpf_check+0x3296/0x58c0 [ 23.233786] ? pvclock_read_flags+0x160/0x160 [ 23.233816] ? do_check+0xa050/0xa050 [ 23.233832] ? do_gettimeofday+0x190/0x190 [ 23.233841] ? __might_sleep+0x95/0x190 [ 23.233851] ? memset+0x31/0x40 [ 23.233862] ? bpf_obj_name_cpy+0x199/0x1f0 [ 23.233868] ? kasan_check_write+0x14/0x20 [ 23.233882] bpf_prog_load+0xa2a/0x1b00 [ 23.233897] ? bpf_prog_new_fd+0x50/0x50 [ 23.233914] ? avc_has_perm+0x43e/0x680 [ 23.233929] ? avc_has_perm_noaudit+0x520/0x520 [ 23.233942] ? __might_fault+0x110/0x1d0 [ 23.233952] ? lock_downgrade+0x980/0x980 [ 23.233968] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.233979] ? __check_object_size+0x25d/0x4f0 [ 23.233997] ? __might_sleep+0x95/0x190 [ 23.234014] ? selinux_bpf+0xc3/0x110 [ 23.234024] ? security_bpf+0x89/0xb0 [ 23.234038] SyS_bpf+0x1044/0x4420 [ 23.234055] ? bpf_prog_get+0x20/0x20 [ 23.234070] ? check_noncircular+0x20/0x20 [ 23.234087] ? check_noncircular+0x20/0x20 [ 23.234101] ? _kstrtoull+0x145/0x1f0 [ 23.234112] ? _parse_integer+0x140/0x140 [ 23.234118] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.234133] ? find_held_lock+0x35/0x1d0 [ 23.234152] ? get_pid_task+0x93/0x140 [ 23.234162] ? lock_downgrade+0x980/0x980 [ 23.234181] ? rcu_read_lock_held+0xa9/0xc0 [ 23.234187] ? pid_task+0xf7/0x1a0 [ 23.234206] ? putname+0xee/0x130 [ 23.234216] ? check_noncircular+0x20/0x20 [ 23.234226] ? get_pid_task+0xbc/0x140 [ 23.234236] ? proc_fail_nth_write+0xb5/0x260 [ 23.234246] ? map_files_get_link+0x3a0/0x3a0 [ 23.234275] ? find_held_lock+0x35/0x1d0 [ 23.234293] ? vfs_write+0x374/0x510 [ 23.234303] ? lock_downgrade+0x980/0x980 [ 23.234320] ? __lock_is_held+0xb6/0x140 [ 23.234351] ? __sb_end_write+0xa0/0xd0 [ 23.234360] ? vfs_write+0x224/0x510 [ 23.234376] ? SyS_write+0x184/0x220 [ 23.234396] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 23.234415] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 23.234420] RIP: 0033:0x4404f9 [ 23.234424] RSP: 002b:00007fff03dc4a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 23.234431] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00000000004404f9 [ 23.234435] RDX: 0000000000000048 RSI: 0000000020903000 RDI: 0000000000000005 [ 23.234439] RBP: 0000000000000004 R08: 0000000000000002 R09: 0000000000003332 [ 23.234443] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 23.234447] R13: 656c6c616b7a7973 R14: 0000000000000003 R15: 0000000000000000 [ 23.239564] FAULT_INJECTION: forcing a failure. [ 23.239564] name failslab, interval 1, probability 0, space 0, times 0 [ 23.239572] CPU: 1 PID: 3197 Comm: syzkaller425062 Not tainted 4.15.0-rc5+ #170 [ 23.239576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.239579] Call Trace: [ 23.239591] dump_stack+0x194/0x257 [ 23.239604] ? arch_local_irq_restore+0x53/0x53 [ 23.239616] ? __might_fault+0x110/0x1d0 [ 23.239637] should_fail+0x8c0/0xa40 [ 23.239650] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 23.239685] ? find_held_lock+0x35/0x1d0 [ 23.239701] ? __lock_is_held+0xb6/0x140 [ 23.239730] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.239744] ? rcu_note_context_switch+0x710/0x710 [ 23.239752] ? print_verifier_state+0x8ed/0xbe0 [ 23.239772] should_failslab+0xec/0x120 [ 23.239781] kmem_cache_alloc_trace+0x4b/0x750 [ 23.239811] do_check+0x59a/0xa050 [ 23.239818] ? bpf_check+0x3289/0x58c0 [ 23.239845] ? debug_check_no_obj_freed+0x3da/0xf1f [ 23.239865] ? check_mem_access+0x2760/0x2760 [ 23.239878] ? free_obj_work+0x690/0x690 [ 23.239893] ? __lock_is_held+0xb6/0x140 [ 23.239909] ? free_verifier_state+0x130/0x130 [ 23.239921] ? mark_held_locks+0xaf/0x100 [ 23.239929] ? kfree+0xf0/0x260 [ 23.239936] ? bpf_check+0x3289/0x58c0 [ 23.239944] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 23.239963] bpf_check+0x3296/0x58c0 [ 23.239971] ? pvclock_read_flags+0x160/0x160 [ 23.239996] ? do_check+0xa050/0xa050 [ 23.240016] ? do_gettimeofday+0x190/0x190 [ 23.240026] ? __might_sleep+0x95/0x190 [ 23.240036] ? memset+0x31/0x40 [ 23.240048] ? bpf_obj_name_cpy+0x199/0x1f0 [ 23.240054] ? kasan_check_write+0x14/0x20 [ 23.240069] bpf_prog_load+0xa2a/0x1b00 [ 23.240084] ? bpf_prog_new_fd+0x50/0x50 [ 23.240100] ? avc_has_perm+0x43e/0x680 [ 23.240115] ? avc_has_perm_noaudit+0x520/0x520 [ 23.240129] ? __might_fault+0x110/0x1d0 [ 23.240138] ? lock_downgrade+0x980/0x980 [ 23.240154] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.240165] ? __check_object_size+0x25d/0x4f0 [ 23.240184] ? __might_sleep+0x95/0x190 [ 23.240198] ? selinux_bpf+0xc3/0x110 [ 23.240207] ? security_bpf+0x89/0xb0 [ 23.240221] SyS_bpf+0x1044/0x4420 [ 23.240239] ? bpf_prog_get+0x20/0x20 [ 23.240253] ? check_noncircular+0x20/0x20 [ 23.240271] ? check_noncircular+0x20/0x20 [ 23.240285] ? _kstrtoull+0x145/0x1f0 [ 23.240295] ? _parse_integer+0x140/0x140 [ 23.240301] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.240315] ? find_held_lock+0x35/0x1d0 [ 23.240336] ? get_pid_task+0x93/0x140 [ 23.240345] ? lock_downgrade+0x980/0x980 [ 23.240364] ? rcu_read_lock_held+0xa9/0xc0 [ 23.240372] ? pid_task+0xf7/0x1a0 [ 23.240390] ? putname+0xee/0x130 [ 23.240400] ? check_noncircular+0x20/0x20 [ 23.240409] ? get_pid_task+0xbc/0x140 [ 23.240420] ? proc_fail_nth_write+0xb5/0x260 [ 23.240429] ? map_files_get_link+0x3a0/0x3a0 [ 23.240458] ? find_held_lock+0x35/0x1d0 [ 23.240477] ? vfs_write+0x374/0x510 [ 23.240486] ? lock_downgrade+0x980/0x980 [ 23.240503] ? __lock_is_held+0xb6/0x140 [ 23.240534] ? __sb_end_write+0xa0/0xd0 [ 23.240543] ? vfs_write+0x224/0x510 [ 23.240559] ? SyS_write+0x184/0x220 [ 23.240579] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 23.240599] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 23.240604] RIP: 0033:0x4404f9 [ 23.240608] RSP: 002b:00007fff03dc4a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 23.240616] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00000000004404f9 [ 23.240619] RDX: 0000000000000048 RSI: 0000000020903000 RDI: 0000000000000005 [ 23.240623] RBP: 0000000000000005 R08: 0000000000000002 R09: 0000000000003332 [ 23.240627] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 23.240631] R13: 656c6c616b7a7973 R14: 0000000000000004 R15: 0000000000000000 [ 23.245769] FAULT_INJECTION: forcing a failure. [ 23.245769] name failslab, interval 1, probability 0, space 0, times 0 [ 23.245777] CPU: 1 PID: 3197 Comm: syzkaller425062 Not tainted 4.15.0-rc5+ #170 [ 23.245781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.245783] Call Trace: [ 23.245800] dump_stack+0x194/0x257 [ 23.245813] ? arch_local_irq_restore+0x53/0x53 [ 23.245825] ? __might_fault+0x110/0x1d0 [ 23.245846] should_fail+0x8c0/0xa40 [ 23.245860] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 23.245894] ? find_held_lock+0x35/0x1d0 [ 23.245910] ? __lock_is_held+0xb6/0x140 [ 23.245939] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.245953] ? rcu_note_context_switch+0x710/0x710 [ 23.245960] ? print_verifier_state+0x8ed/0xbe0 [ 23.245980] should_failslab+0xec/0x120 [ 23.245989] kmem_cache_alloc_trace+0x4b/0x750 [ 23.246017] do_check+0x59a/0xa050 [ 23.246025] ? bpf_check+0x3289/0x58c0 [ 23.246052] ? debug_check_no_obj_freed+0x3da/0xf1f [ 23.246072] ? check_mem_access+0x2760/0x2760 [ 23.246085] ? free_obj_work+0x690/0x690 [ 23.246100] ? __lock_is_held+0xb6/0x140 [ 23.246116] ? free_verifier_state+0x130/0x130 [ 23.246128] ? mark_held_locks+0xaf/0x100 [ 23.246137] ? kfree+0xf0/0x260 [ 23.246143] ? bpf_check+0x3289/0x58c0 [ 23.246152] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 23.246170] bpf_check+0x3296/0x58c0 [ 23.246178] ? pvclock_read_flags+0x160/0x160 [ 23.246204] ? do_check+0xa050/0xa050 [ 23.246222] ? do_gettimeofday+0x190/0x190 [ 23.246231] ? __might_sleep+0x95/0x190 [ 23.246241] ? memset+0x31/0x40 [ 23.246253] ? bpf_obj_name_cpy+0x199/0x1f0 [ 23.246258] ? kasan_check_write+0x14/0x20 [ 23.246273] bpf_prog_load+0xa2a/0x1b00 [ 23.246288] ? bpf_prog_new_fd+0x50/0x50 [ 23.246303] ? avc_has_perm+0x43e/0x680 [ 23.246318] ? avc_has_perm_noaudit+0x520/0x520 [ 23.246333] ? __might_fault+0x110/0x1d0 [ 23.246342] ? lock_downgrade+0x980/0x980 [ 23.246358] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.246367] ? __check_object_size+0x25d/0x4f0 [ 23.246386] ? __might_sleep+0x95/0x190 [ 23.246400] ? selinux_bpf+0xc3/0x110 [ 23.246409] ? security_bpf+0x89/0xb0 [ 23.246423] SyS_bpf+0x1044/0x4420 [ 23.246440] ? bpf_prog_get+0x20/0x20 [ 23.246455] ? check_noncircular+0x20/0x20 [ 23.246473] ? check_noncircular+0x20/0x20 [ 23.246486] ? _kstrtoull+0x145/0x1f0 [ 23.246497] ? _parse_integer+0x140/0x140 [ 23.246503] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.246517] ? find_held_lock+0x35/0x1d0 [ 23.246537] ? get_pid_task+0x93/0x140 [ 23.246546] ? lock_downgrade+0x980/0x980 [ 23.246565] ? rcu_read_lock_held+0xa9/0xc0 [ 23.246572] ? pid_task+0xf7/0x1a0 [ 23.246591] ? putname+0xee/0x130 [ 23.246600] ? check_noncircular+0x20/0x20 [ 23.246610] ? get_pid_task+0xbc/0x140 [ 23.246620] ? proc_fail_nth_write+0xb5/0x260 [ 23.246630] ? map_files_get_link+0x3a0/0x3a0 [ 23.246659] ? find_held_lock+0x35/0x1d0 [ 23.246678] ? vfs_write+0x374/0x510 [ 23.246687] ? lock_downgrade+0x980/0x980 [ 23.246703] ? __lock_is_held+0xb6/0x140 [ 23.246735] ? __sb_end_write+0xa0/0xd0 [ 23.246743] ? vfs_write+0x224/0x510 [ 23.246758] ? SyS_write+0x184/0x220 [ 23.246778] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 23.246802] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 23.246807] RIP: 0033:0x4404f9 [ 23.246811] RSP: 002b:00007fff03dc4a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 23.246818] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00000000004404f9 [ 23.246822] RDX: 0000000000000048 RSI: 0000000020903000 RDI: 0000000000000005 [ 23.246826] RBP: 0000000000000006 R08: 0000000000000002 R09: 0000000000003332 [ 23.246829] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 23.246834] R13: 656c6c616b7a7973 R14: 0000000000000005 R15: 0000000000000000 [ 23.252141] FAULT_INJECTION: forcing a failure. [ 23.252141] name failslab, interval 1, probability 0, space 0, times 0 [ 23.252150] CPU: 1 PID: 3197 Comm: syzkaller425062 Not tainted 4.15.0-rc5+ #170 [ 23.252153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.252156] Call Trace: [ 23.252168] dump_stack+0x194/0x257 [ 23.252181] ? arch_local_irq_restore+0x53/0x53 [ 23.252193] ? __might_fault+0x110/0x1d0 [ 23.252213] should_fail+0x8c0/0xa40 [ 23.252228] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 23.252262] ? find_held_lock+0x35/0x1d0 [ 23.252278] ? __lock_is_held+0xb6/0x140 [ 23.252308] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.252321] ? rcu_note_context_switch+0x710/0x710 [ 23.252329] ? print_verifier_state+0x8ed/0xbe0 [ 23.252349] should_failslab+0xec/0x120 [ 23.252358] kmem_cache_alloc_trace+0x4b/0x750 [ 23.252383] do_check+0x59a/0xa050 [ 23.252390] ? bpf_check+0x3289/0x58c0 [ 23.252417] ? debug_check_no_obj_freed+0x3da/0xf1f [ 23.252437] ? check_mem_access+0x2760/0x2760 [ 23.252449] ? free_obj_work+0x690/0x690 [ 23.252465] ? __lock_is_held+0xb6/0x140 [ 23.252481] ? free_verifier_state+0x130/0x130 [ 23.252493] ? mark_held_locks+0xaf/0x100 [ 23.252501] ? kfree+0xf0/0x260 [ 23.252508] ? bpf_check+0x3289/0x58c0 [ 23.252517] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 23.252535] bpf_check+0x3296/0x58c0 [ 23.252543] ? pvclock_read_flags+0x160/0x160 [ 23.252569] ? do_check+0xa050/0xa050 [ 23.252584] ? do_gettimeofday+0x190/0x190 [ 23.252593] ? __might_sleep+0x95/0x190 [ 23.252603] ? memset+0x31/0x40 [ 23.252614] ? bpf_obj_name_cpy+0x199/0x1f0 [ 23.252620] ? kasan_check_write+0x14/0x20 [ 23.252635] bpf_prog_load+0xa2a/0x1b00 [ 23.252650] ? bpf_prog_new_fd+0x50/0x50 [ 23.252665] ? avc_has_perm+0x43e/0x680 [ 23.252679] ? avc_has_perm_noaudit+0x520/0x520 [ 23.252693] ? __might_fault+0x110/0x1d0 [ 23.252703] ? lock_downgrade+0x980/0x980 [ 23.252718] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.252727] ? __check_object_size+0x25d/0x4f0 [ 23.252746] ? __might_sleep+0x95/0x190 [ 23.252759] ? selinux_bpf+0xc3/0x110 [ 23.252769] ? security_bpf+0x89/0xb0 [ 23.252782] SyS_bpf+0x1044/0x4420 [ 23.252803] ? bpf_prog_get+0x20/0x20 [ 23.252817] ? check_noncircular+0x20/0x20 [ 23.252835] ? check_noncircular+0x20/0x20 [ 23.252848] ? _kstrtoull+0x145/0x1f0 [ 23.252859] ? _parse_integer+0x140/0x140 [ 23.252864] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.252878] ? find_held_lock+0x35/0x1d0 [ 23.252898] ? get_pid_task+0x93/0x140 [ 23.252907] ? lock_downgrade+0x980/0x980 [ 23.252926] ? rcu_read_lock_held+0xa9/0xc0 [ 23.252933] ? pid_task+0xf7/0x1a0 [ 23.252950] ? putname+0xee/0x130 [ 23.252959] ? check_noncircular+0x20/0x20 [ 23.252969] ? get_pid_task+0xbc/0x140 [ 23.252979] ? proc_fail_nth_write+0xb5/0x260 [ 23.252989] ? map_files_get_link+0x3a0/0x3a0 [ 23.253020] ? find_held_lock+0x35/0x1d0 [ 23.253039] ? vfs_write+0x374/0x510 [ 23.253049] ? lock_downgrade+0x980/0x980 [ 23.253065] ? __lock_is_held+0xb6/0x140 [ 23.253096] ? __sb_end_write+0xa0/0xd0 [ 23.253105] ? vfs_write+0x224/0x510 [ 23.253120] ? SyS_write+0x184/0x220 [ 23.253141] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 23.253160] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 23.253165] RIP: 0033:0x4404f9 [ 23.253169] RSP: 002b:00007fff03dc4a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 23.253177] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00000000004404f9 [ 23.253181] RDX: 0000000000000048 RSI: 0000000020903000 RDI: 0000000000000005 [ 23.253184] RBP: 0000000000000007 R08: 0000000000000002 R09: 0000000000003332 [ 23.253188] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 23.253192] R13: 656c6c616b7a7973 R14: 0000000000000006 R15: 0000000000000000 [ 23.258218] FAULT_INJECTION: forcing a failure. [ 23.258218] name failslab, interval 1, probability 0, space 0, times 0 [ 23.258227] CPU: 1 PID: 3197 Comm: syzkaller425062 Not tainted 4.15.0-rc5+ #170 [ 23.258230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.258234] Call Trace: [ 23.258245] dump_stack+0x194/0x257 [ 23.258258] ? arch_local_irq_restore+0x53/0x53 [ 23.258270] ? __might_fault+0x110/0x1d0 [ 23.258290] should_fail+0x8c0/0xa40 [ 23.258303] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 23.258338] ? find_held_lock+0x35/0x1d0 [ 23.258354] ? __lock_is_held+0xb6/0x140 [ 23.258384] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.258397] ? rcu_note_context_switch+0x710/0x710 [ 23.258405] ? print_verifier_state+0x8ed/0xbe0 [ 23.258424] should_failslab+0xec/0x120 [ 23.258434] kmem_cache_alloc_trace+0x4b/0x750 [ 23.258458] do_check+0x59a/0xa050 [ 23.258466] ? bpf_check+0x3289/0x58c0 [ 23.258493] ? debug_check_no_obj_freed+0x3da/0xf1f [ 23.258513] ? check_mem_access+0x2760/0x2760 [ 23.258525] ? free_obj_work+0x690/0x690 [ 23.258541] ? __lock_is_held+0xb6/0x140 [ 23.258557] ? free_verifier_state+0x130/0x130 [ 23.258568] ? mark_held_locks+0xaf/0x100 [ 23.258577] ? kfree+0xf0/0x260 [ 23.258583] ? bpf_check+0x3289/0x58c0 [ 23.258592] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 23.258610] bpf_check+0x3296/0x58c0 [ 23.258618] ? pvclock_read_flags+0x160/0x160 [ 23.258644] ? do_check+0xa050/0xa050 [ 23.258660] ? do_gettimeofday+0x190/0x190 [ 23.258668] ? __might_sleep+0x95/0x190 [ 23.258678] ? memset+0x31/0x40 [ 23.258690] ? bpf_obj_name_cpy+0x199/0x1f0 [ 23.258696] ? kasan_check_write+0x14/0x20 [ 23.258711] bpf_prog_load+0xa2a/0x1b00 [ 23.258725] ? bpf_prog_new_fd+0x50/0x50 [ 23.258741] ? avc_has_perm+0x43e/0x680 [ 23.258755] ? avc_has_perm_noaudit+0x520/0x520 [ 23.258769] ? __might_fault+0x110/0x1d0 [ 23.258779] ? lock_downgrade+0x980/0x980 [ 23.258798] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.258807] ? __check_object_size+0x25d/0x4f0 [ 23.258825] ? __might_sleep+0x95/0x190 [ 23.258838] ? selinux_bpf+0xc3/0x110 [ 23.258848] ? security_bpf+0x89/0xb0 [ 23.258862] SyS_bpf+0x1044/0x4420 [ 23.258879] ? bpf_prog_get+0x20/0x20 [ 23.258893] ? check_noncircular+0x20/0x20 [ 23.258911] ? check_noncircular+0x20/0x20 [ 23.258924] ? _kstrtoull+0x145/0x1f0 [ 23.258935] ? _parse_integer+0x140/0x140 [ 23.258941] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.258955] ? find_held_lock+0x35/0x1d0 [ 23.258974] ? get_pid_task+0x93/0x140 [ 23.258984] ? lock_downgrade+0x980/0x980 [ 23.259005] ? rcu_read_lock_held+0xa9/0xc0 [ 23.259012] ? pid_task+0xf7/0x1a0 [ 23.259030] ? putname+0xee/0x130 [ 23.259040] ? check_noncircular+0x20/0x20 [ 23.259049] ? get_pid_task+0xbc/0x140 [ 23.259060] ? proc_fail_nth_write+0xb5/0x260 [ 23.259069] ? map_files_get_link+0x3a0/0x3a0 [ 23.259098] ? find_held_lock+0x35/0x1d0 [ 23.259115] ? vfs_write+0x374/0x510 [ 23.259124] ? lock_downgrade+0x980/0x980 [ 23.259140] ? __lock_is_held+0xb6/0x140 [ 23.259170] ? __sb_end_write+0xa0/0xd0 [ 23.259179] ? vfs_write+0x224/0x510 [ 23.259192] ? SyS_write+0x184/0x220 [ 23.259211] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 23.259231] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 23.259236] RIP: 0033:0x4404f9 [ 23.259239] RSP: 002b:00007fff03dc4a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 23.259247] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00000000004404f9 [ 23.259250] RDX: 0000000000000048 RSI: 0000000020903000 RDI: 0000000000000005 [ 23.259254] RBP: 0000000000000008 R08: 0000000000000002 R09: 0000000000003332 [ 23.259257] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 23.259261] R13: 656c6c616b7a7973 R14: 0000000000000007 R15: 0000000000000000 [ 23.264313] FAULT_INJECTION: forcing a failure. [ 23.264313] name failslab, interval 1, probability 0, space 0, times 0 [ 23.264321] CPU: 1 PID: 3197 Comm: syzkaller425062 Not tainted 4.15.0-rc5+ #170 [ 23.264325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.264328] Call Trace: [ 23.264339] dump_stack+0x194/0x257 [ 23.264352] ? arch_local_irq_restore+0x53/0x53 [ 23.264364] ? __might_fault+0x110/0x1d0 [ 23.264383] should_fail+0x8c0/0xa40 [ 23.264397] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 23.264431] ? find_held_lock+0x35/0x1d0 [ 23.264448] ? __lock_is_held+0xb6/0x140 [ 23.264477] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.264490] ? rcu_note_context_switch+0x710/0x710 [ 23.264497] ? print_verifier_state+0x8ed/0xbe0 [ 23.264516] should_failslab+0xec/0x120 [ 23.264526] kmem_cache_alloc_trace+0x4b/0x750 [ 23.264550] do_check+0x59a/0xa050 [ 23.264558] ? bpf_check+0x3289/0x58c0 [ 23.264584] ? debug_check_no_obj_freed+0x3da/0xf1f [ 23.264604] ? check_mem_access+0x2760/0x2760 [ 23.264617] ? free_obj_work+0x690/0x690 [ 23.264632] ? __lock_is_held+0xb6/0x140 [ 23.264648] ? free_verifier_state+0x130/0x130 [ 23.264660] ? mark_held_locks+0xaf/0x100 [ 23.264669] ? kfree+0xf0/0x260 [ 23.264675] ? bpf_check+0x3289/0x58c0 [ 23.264683] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 23.264702] bpf_check+0x3296/0x58c0 [ 23.264710] ? pvclock_read_flags+0x160/0x160 [ 23.264736] ? do_check+0xa050/0xa050 [ 23.264752] ? do_gettimeofday+0x190/0x190 [ 23.264761] ? __might_sleep+0x95/0x190 [ 23.264771] ? memset+0x31/0x40 [ 23.264782] ? bpf_obj_name_cpy+0x199/0x1f0 [ 23.264788] ? kasan_check_write+0x14/0x20 [ 23.264807] bpf_prog_load+0xa2a/0x1b00 [ 23.264822] ? bpf_prog_new_fd+0x50/0x50 [ 23.264837] ? avc_has_perm+0x43e/0x680 [ 23.264852] ? avc_has_perm_noaudit+0x520/0x520 [ 23.264866] ? __might_fault+0x110/0x1d0 [ 23.264875] ? lock_downgrade+0x980/0x980 [ 23.264891] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.264900] ? __check_object_size+0x25d/0x4f0 [ 23.264918] ? __might_sleep+0x95/0x190 [ 23.264932] ? selinux_bpf+0xc3/0x110 [ 23.264942] ? security_bpf+0x89/0xb0 [ 23.264955] SyS_bpf+0x1044/0x4420 [ 23.264972] ? bpf_prog_get+0x20/0x20 [ 23.264987] ? check_noncircular+0x20/0x20 [ 23.265007] ? check_noncircular+0x20/0x20 [ 23.265021] ? _kstrtoull+0x145/0x1f0 [ 23.265032] ? _parse_integer+0x140/0x140 [ 23.265038] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.265052] ? find_held_lock+0x35/0x1d0 [ 23.265074] ? get_pid_task+0x93/0x140 [ 23.265083] ? lock_downgrade+0x980/0x980 [ 23.265103] ? rcu_read_lock_held+0xa9/0xc0 [ 23.265109] ? pid_task+0xf7/0x1a0 [ 23.265128] ? putname+0xee/0x130 [ 23.265137] ? check_noncircular+0x20/0x20 [ 23.265146] ? get_pid_task+0xbc/0x140 [ 23.265157] ? proc_fail_nth_write+0xb5/0x260 [ 23.265167] ? map_files_get_link+0x3a0/0x3a0 [ 23.265195] ? find_held_lock+0x35/0x1d0 [ 23.265214] ? vfs_write+0x374/0x510 [ 23.265224] ? lock_downgrade+0x980/0x980 [ 23.265240] ? __lock_is_held+0xb6/0x140 [ 23.265272] ? __sb_end_write+0xa0/0xd0 [ 23.265281] ? vfs_write+0x224/0x510 [ 23.265296] ? SyS_write+0x184/0x220 [ 23.265316] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 23.265335] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 23.265341] RIP: 0033:0x4404f9 [ 23.265344] RSP: 002b:00007fff03dc4a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 23.265351] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00000000004404f9 [ 23.265356] RDX: 0000000000000048 RSI: 0000000020903000 RDI: 0000000000000005 [ 23.265359] RBP: 0000000000000009 R08: 0000000000000002 R09: 0000000000003332 [ 23.265363] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 23.265367] R13: 656c6c616b7a7973 R14: 0000000000000008 R15: 0000000000000000 [ 23.270459] FAULT_INJECTION: forcing a failure. [ 23.270459] name failslab, interval 1, probability 0, space 0, times 0 [ 23.270467] CPU: 1 PID: 3197 Comm: syzkaller425062 Not tainted 4.15.0-rc5+ #170 [ 23.270471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.270474] Call Trace: [ 23.270485] dump_stack+0x194/0x257 [ 23.270498] ? arch_local_irq_restore+0x53/0x53 [ 23.270510] ? __might_fault+0x110/0x1d0 [ 23.270529] should_fail+0x8c0/0xa40 [ 23.270543] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 23.270578] ? find_held_lock+0x35/0x1d0 [ 23.270595] ? __lock_is_held+0xb6/0x140 [ 23.270623] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.270636] ? rcu_note_context_switch+0x710/0x710 [ 23.270644] ? print_verifier_state+0x8ed/0xbe0 [ 23.270663] should_failslab+0xec/0x120 [ 23.270672] kmem_cache_alloc_trace+0x4b/0x750 [ 23.270697] do_check+0x59a/0xa050 [ 23.270705] ? bpf_check+0x3289/0x58c0 [ 23.270731] ? debug_check_no_obj_freed+0x3da/0xf1f [ 23.270751] ? check_mem_access+0x2760/0x2760 [ 23.270764] ? free_obj_work+0x690/0x690 [ 23.270779] ? __lock_is_held+0xb6/0x140 [ 23.270799] ? free_verifier_state+0x130/0x130 [ 23.270810] ? mark_held_locks+0xaf/0x100 [ 23.270819] ? kfree+0xf0/0x260 [ 23.270825] ? bpf_check+0x3289/0x58c0 [ 23.270834] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 23.270852] bpf_check+0x3296/0x58c0 [ 23.270860] ? pvclock_read_flags+0x160/0x160 [ 23.270886] ? do_check+0xa050/0xa050 [ 23.270901] ? do_gettimeofday+0x190/0x190 [ 23.270910] ? __might_sleep+0x95/0x190 [ 23.270920] ? memset+0x31/0x40 [ 23.270932] ? bpf_obj_name_cpy+0x199/0x1f0 [ 23.270938] ? kasan_check_write+0x14/0x20 [ 23.270952] bpf_prog_load+0xa2a/0x1b00 [ 23.270967] ? bpf_prog_new_fd+0x50/0x50 [ 23.270983] ? avc_has_perm+0x43e/0x680 [ 23.270998] ? avc_has_perm_noaudit+0x520/0x520 [ 23.271015] ? __might_fault+0x110/0x1d0 [ 23.271024] ? lock_downgrade+0x980/0x980 [ 23.271040] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.271049] ? __check_object_size+0x25d/0x4f0 [ 23.271068] ? __might_sleep+0x95/0x190 [ 23.271082] ? selinux_bpf+0xc3/0x110 [ 23.271092] ? security_bpf+0x89/0xb0 [ 23.271106] SyS_bpf+0x1044/0x4420 [ 23.271123] ? bpf_prog_get+0x20/0x20 [ 23.271137] ? check_noncircular+0x20/0x20 [ 23.271155] ? check_noncircular+0x20/0x20 [ 23.271168] ? _kstrtoull+0x145/0x1f0 [ 23.271179] ? _parse_integer+0x140/0x140 [ 23.271185] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.271199] ? find_held_lock+0x35/0x1d0 [ 23.271219] ? get_pid_task+0x93/0x140 [ 23.271229] ? lock_downgrade+0x980/0x980 [ 23.271247] ? rcu_read_lock_held+0xa9/0xc0 [ 23.271254] ? pid_task+0xf7/0x1a0 [ 23.271273] ? putname+0xee/0x130 [ 23.271283] ? check_noncircular+0x20/0x20 [ 23.271292] ? get_pid_task+0xbc/0x140 [ 23.271302] ? proc_fail_nth_write+0xb5/0x260 [ 23.271312] ? map_files_get_link+0x3a0/0x3a0 [ 23.271341] ? find_held_lock+0x35/0x1d0 [ 23.271360] ? vfs_write+0x374/0x510 [ 23.271370] ? lock_downgrade+0x980/0x980 [ 23.271386] ? __lock_is_held+0xb6/0x140 [ 23.271417] ? __sb_end_write+0xa0/0xd0 [ 23.271426] ? vfs_write+0x224/0x510 [ 23.271441] ? SyS_write+0x184/0x220 [ 23.271462] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 23.271481] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 23.271486] RIP: 0033:0x4404f9 [ 23.271490] RSP: 002b:00007fff03dc4a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 23.271497] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00000000004404f9 [ 23.271501] RDX: 0000000000000048 RSI: 0000000020903000 RDI: 0000000000000005 [ 23.271505] RBP: 000000000000000a R08: 0000000000000002 R09: 0000000000003332 [ 23.271509] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 23.271513] R13: 656c6c616b7a7973 R14: 0000000000000009 R15: 0000000000000000 [ 23.276526] FAULT_INJECTION: forcing a failure. [ 23.276526] name failslab, interval 1, probability 0, space 0, times 0 [ 23.276535] CPU: 1 PID: 3197 Comm: syzkaller425062 Not tainted 4.15.0-rc5+ #170 [ 23.276539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.276543] Call Trace: [ 23.276555] dump_stack+0x194/0x257 [ 23.276570] ? arch_local_irq_restore+0x53/0x53 [ 23.276583] ? __might_fault+0x110/0x1d0 [ 23.276606] should_fail+0x8c0/0xa40 [ 23.276622] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 23.276662] ? find_held_lock+0x35/0x1d0 [ 23.276682] ? __lock_is_held+0xb6/0x140 [ 23.276716] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.276731] ? rcu_note_context_switch+0x710/0x710 [ 23.276740] ? print_verifier_state+0x8ed/0xbe0 [ 23.276762] should_failslab+0xec/0x120 [ 23.276773] kmem_cache_alloc_trace+0x4b/0x750 [ 23.276806] do_check+0x59a/0xa050 [ 23.276815] ? bpf_check+0x3289/0x58c0 [ 23.276846] ? debug_check_no_obj_freed+0x3da/0xf1f [ 23.276870] ? check_mem_access+0x2760/0x2760 [ 23.276884] ? free_obj_work+0x690/0x690 [ 23.276902] ? __lock_is_held+0xb6/0x140 [ 23.276921] ? free_verifier_state+0x130/0x130 [ 23.276935] ? mark_held_locks+0xaf/0x100 [ 23.276945] ? kfree+0xf0/0x260 [ 23.276952] ? bpf_check+0x3289/0x58c0 [ 23.276962] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 23.276984] bpf_check+0x3296/0x58c0 [ 23.276993] ? pvclock_read_flags+0x160/0x160 [ 23.277026] ? do_check+0xa050/0xa050 [ 23.277046] ? do_gettimeofday+0x190/0x190 [ 23.277056] ? __might_sleep+0x95/0x190 [ 23.277068] ? memset+0x31/0x40 [ 23.277082] ? bpf_obj_name_cpy+0x199/0x1f0 [ 23.277089] ? kasan_check_write+0x14/0x20 [ 23.277106] bpf_prog_load+0xa2a/0x1b00 [ 23.277124] ? bpf_prog_new_fd+0x50/0x50 [ 23.277142] ? avc_has_perm+0x43e/0x680 [ 23.277159] ? avc_has_perm_noaudit+0x520/0x520 [ 23.277174] ? __might_fault+0x110/0x1d0 [ 23.277182] ? lock_downgrade+0x980/0x980 [ 23.277197] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.277207] ? __check_object_size+0x25d/0x4f0 [ 23.277225] ? __might_sleep+0x95/0x190 [ 23.277237] ? selinux_bpf+0xc3/0x110 [ 23.277246] ? security_bpf+0x89/0xb0 [ 23.277259] SyS_bpf+0x1044/0x4420 [ 23.277276] ? bpf_prog_get+0x20/0x20 [ 23.277290] ? check_noncircular+0x20/0x20 [ 23.277307] ? check_noncircular+0x20/0x20 [ 23.277321] ? _kstrtoull+0x145/0x1f0 [ 23.277332] ? _parse_integer+0x140/0x140 [ 23.277338] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.277352] ? find_held_lock+0x35/0x1d0 [ 23.277373] ? get_pid_task+0x93/0x140 [ 23.277382] ? lock_downgrade+0x980/0x980 [ 23.277401] ? rcu_read_lock_held+0xa9/0xc0 [ 23.277408] ? pid_task+0xf7/0x1a0 [ 23.277427] ? putname+0xee/0x130 [ 23.277436] ? check_noncircular+0x20/0x20 [ 23.277446] ? get_pid_task+0xbc/0x140 [ 23.277456] ? proc_fail_nth_write+0xb5/0x260 [ 23.277466] ? map_files_get_link+0x3a0/0x3a0 [ 23.277494] ? find_held_lock+0x35/0x1d0 [ 23.277513] ? vfs_write+0x374/0x510 [ 23.277522] ? lock_downgrade+0x980/0x980 [ 23.277538] ? __lock_is_held+0xb6/0x140 [ 23.277569] ? __sb_end_write+0xa0/0xd0 [ 23.277578] ? vfs_write+0x224/0x510 [ 23.277593] ? SyS_write+0x184/0x220 [ 23.277613] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 23.277632] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 23.277637] RIP: 0033:0x4404f9 [ 23.277641] RSP: 002b:00007fff03dc4a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 23.277648] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00000000004404f9 [ 23.277652] RDX: 0000000000000048 RSI: 0000000020903000 RDI: 0000000000000005 [ 23.277656] RBP: 000000000000000b R08: 0000000000000002 R09: 0000000000003332 [ 23.277660] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 23.277664] R13: 656c6c616b7a7973 R14: 000000000000000a R15: 0000000000000000 [ 23.282820] FAULT_INJECTION: forcing a failure. [ 23.282820] name failslab, interval 1, probability 0, space 0, times 0 [ 23.282829] CPU: 1 PID: 3197 Comm: syzkaller425062 Not tainted 4.15.0-rc5+ #170 [ 23.282832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.282835] Call Trace: [ 23.282847] dump_stack+0x194/0x257 [ 23.282859] ? arch_local_irq_restore+0x53/0x53 [ 23.282871] ? __might_fault+0x110/0x1d0 [ 23.282891] should_fail+0x8c0/0xa40 [ 23.282905] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 23.282939] ? find_held_lock+0x35/0x1d0 [ 23.282956] ? __lock_is_held+0xb6/0x140 [ 23.282984] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.282997] ? rcu_note_context_switch+0x710/0x710 [ 23.283007] ? print_verifier_state+0x8ed/0xbe0 [ 23.283026] should_failslab+0xec/0x120 [ 23.283036] kmem_cache_alloc_trace+0x4b/0x750 [ 23.283061] do_check+0x59a/0xa050 [ 23.283069] ? bpf_check+0x3289/0x58c0 [ 23.283096] ? debug_check_no_obj_freed+0x3da/0xf1f [ 23.283116] ? check_mem_access+0x2760/0x2760 [ 23.283128] ? free_obj_work+0x690/0x690 [ 23.283144] ? __lock_is_held+0xb6/0x140 [ 23.283160] ? free_verifier_state+0x130/0x130 [ 23.283172] ? mark_held_locks+0xaf/0x100 [ 23.283180] ? kfree+0xf0/0x260 [ 23.283187] ? bpf_check+0x3289/0x58c0 [ 23.283195] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 23.283214] bpf_check+0x3296/0x58c0 [ 23.283222] ? pvclock_read_flags+0x160/0x160 [ 23.283248] ? do_check+0xa050/0xa050 [ 23.283264] ? do_gettimeofday+0x190/0x190 [ 23.283273] ? __might_sleep+0x95/0x190 [ 23.283283] ? memset+0x31/0x40 [ 23.283294] ? bpf_obj_name_cpy+0x199/0x1f0 [ 23.283300] ? kasan_check_write+0x14/0x20 [ 23.283315] bpf_prog_load+0xa2a/0x1b00 [ 23.283330] ? bpf_prog_new_fd+0x50/0x50 [ 23.283346] ? avc_has_perm+0x43e/0x680 [ 23.283361] ? avc_has_perm_noaudit+0x520/0x520 [ 23.283374] ? __might_fault+0x110/0x1d0 [ 23.283384] ? lock_downgrade+0x980/0x980 [ 23.283400] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.283409] ? __check_object_size+0x25d/0x4f0 [ 23.283427] ? __might_sleep+0x95/0x190 [ 23.283441] ? selinux_bpf+0xc3/0x110 [ 23.283451] ? security_bpf+0x89/0xb0 [ 23.283464] SyS_bpf+0x1044/0x4420 [ 23.283482] ? bpf_prog_get+0x20/0x20 [ 23.283496] ? check_noncircular+0x20/0x20 [ 23.283514] ? check_noncircular+0x20/0x20 [ 23.283528] ? _kstrtoull+0x145/0x1f0 [ 23.283539] ? _parse_integer+0x140/0x140 [ 23.283545] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.283558] ? find_held_lock+0x35/0x1d0 [ 23.283579] ? get_pid_task+0x93/0x140 [ 23.283588] ? lock_downgrade+0x980/0x980 [ 23.283607] ? rcu_read_lock_held+0xa9/0xc0 [ 23.283615] ? pid_task+0xf7/0x1a0 [ 23.283636] ? putname+0xee/0x130 [ 23.283646] ? check_noncircular+0x20/0x20 [ 23.283656] ? get_pid_task+0xbc/0x140 [ 23.283666] ? proc_fail_nth_write+0xb5/0x260 [ 23.283676] ? map_files_get_link+0x3a0/0x3a0 [ 23.283704] ? find_held_lock+0x35/0x1d0 [ 23.283722] ? vfs_write+0x374/0x510 [ 23.283732] ? lock_downgrade+0x980/0x980 [ 23.283748] ? __lock_is_held+0xb6/0x140 [ 23.283779] ? __sb_end_write+0xa0/0xd0 [ 23.283788] ? vfs_write+0x224/0x510 [ 23.283806] ? SyS_write+0x184/0x220 [ 23.283827] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 23.283846] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 23.283851] RIP: 0033:0x4404f9 [ 23.283855] RSP: 002b:00007fff03dc4a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 23.283862] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00000000004404f9 [ 23.283866] RDX: 0000000000000048 RSI: 0000000020903000 RDI: 0000000000000005 [ 23.283869] RBP: 000000000000000c R08: 0000000000000002 R09: 0000000000003332 [ 23.283873] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 23.283877] R13: 656c6c616b7a7973 R14: 000000000000000b R15: 0000000000000000 [ 23.288969] FAULT_INJECTION: forcing a failure. [ 23.288969] name failslab, interval 1, probability 0, space 0, times 0 [ 23.288977] CPU: 1 PID: 3197 Comm: syzkaller425062 Not tainted 4.15.0-rc5+ #170 [ 23.288981] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.288984] Call Trace: [ 23.288995] dump_stack+0x194/0x257 [ 23.289011] ? arch_local_irq_restore+0x53/0x53 [ 23.289023] ? __might_fault+0x110/0x1d0 [ 23.289042] should_fail+0x8c0/0xa40 [ 23.289057] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 23.289092] ? find_held_lock+0x35/0x1d0 [ 23.289108] ? __lock_is_held+0xb6/0x140 [ 23.289137] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.289150] ? rcu_note_context_switch+0x710/0x710 [ 23.289158] ? print_verifier_state+0x8ed/0xbe0 [ 23.289177] should_failslab+0xec/0x120 [ 23.289186] kmem_cache_alloc_trace+0x4b/0x750 [ 23.289211] do_check+0x59a/0xa050 [ 23.289219] ? bpf_check+0x3289/0x58c0 [ 23.289246] ? debug_check_no_obj_freed+0x3da/0xf1f [ 23.289266] ? check_mem_access+0x2760/0x2760 [ 23.289279] ? free_obj_work+0x690/0x690 [ 23.289294] ? __lock_is_held+0xb6/0x140 [ 23.289310] ? free_verifier_state+0x130/0x130 [ 23.289322] ? mark_held_locks+0xaf/0x100 [ 23.289331] ? kfree+0xf0/0x260 [ 23.289337] ? bpf_check+0x3289/0x58c0 [ 23.289346] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 23.289365] bpf_check+0x3296/0x58c0 [ 23.289372] ? pvclock_read_flags+0x160/0x160 [ 23.289398] ? do_check+0xa050/0xa050 [ 23.289414] ? do_gettimeofday+0x190/0x190 [ 23.289423] ? __might_sleep+0x95/0x190 [ 23.289433] ? memset+0x31/0x40 [ 23.289445] ? bpf_obj_name_cpy+0x199/0x1f0 [ 23.289451] ? kasan_check_write+0x14/0x20 [ 23.289466] bpf_prog_load+0xa2a/0x1b00 [ 23.289481] ? bpf_prog_new_fd+0x50/0x50 [ 23.289496] ? avc_has_perm+0x43e/0x680 [ 23.289512] ? avc_has_perm_noaudit+0x520/0x520 [ 23.289525] ? __might_fault+0x110/0x1d0 [ 23.289535] ? lock_downgrade+0x980/0x980 [ 23.289551] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.289560] ? __check_object_size+0x25d/0x4f0 [ 23.289578] ? __might_sleep+0x95/0x190 [ 23.289592] ? selinux_bpf+0xc3/0x110 [ 23.289602] ? security_bpf+0x89/0xb0 [ 23.289616] SyS_bpf+0x1044/0x4420 [ 23.289633] ? bpf_prog_get+0x20/0x20 [ 23.289647] ? check_noncircular+0x20/0x20 [ 23.289665] ? check_noncircular+0x20/0x20 [ 23.289679] ? _kstrtoull+0x145/0x1f0 [ 23.289690] ? _parse_integer+0x140/0x140 [ 23.289696] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.289710] ? find_held_lock+0x35/0x1d0 [ 23.289730] ? get_pid_task+0x93/0x140 [ 23.289739] ? lock_downgrade+0x980/0x980 [ 23.289758] ? rcu_read_lock_held+0xa9/0xc0 [ 23.289765] ? pid_task+0xf7/0x1a0 [ 23.289783] ? putname+0xee/0x130 [ 23.289795] ? check_noncircular+0x20/0x20 [ 23.289805] ? get_pid_task+0xbc/0x140 [ 23.289816] ? proc_fail_nth_write+0xb5/0x260 [ 23.289826] ? map_files_get_link+0x3a0/0x3a0 [ 23.289854] ? find_held_lock+0x35/0x1d0 [ 23.289873] ? vfs_write+0x374/0x510 [ 23.289882] ? lock_downgrade+0x980/0x980 [ 23.289899] ? __lock_is_held+0xb6/0x140 [ 23.289930] ? __sb_end_write+0xa0/0xd0 [ 23.289939] ? vfs_write+0x224/0x510 [ 23.289954] ? SyS_write+0x184/0x220 [ 23.289974] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 23.289994] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 23.289999] RIP: 0033:0x4404f9 [ 23.290003] RSP: 002b:00007fff03dc4a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 23.290010] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00000000004404f9 [ 23.290014] RDX: 0000000000000048 RSI: 0000000020903000 RDI: 0000000000000005 [ 23.290018] RBP: 000000000000000d R08: 0000000000000002 R09: 0000000000003332 [ 23.290022] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 23.290025] R13: 656c6c616b7a7973 R14: 000000000000000c R15: 0000000000000000 [ 23.295175] FAULT_INJECTION: forcing a failure. [ 23.295175] name failslab, interval 1, probability 0, space 0, times 0 [ 23.295183] CPU: 1 PID: 3197 Comm: syzkaller425062 Not tainted 4.15.0-rc5+ #170 [ 23.295187] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.295190] Call Trace: [ 23.295201] dump_stack+0x194/0x257 [ 23.295214] ? arch_local_irq_restore+0x53/0x53 [ 23.295226] ? __might_fault+0x110/0x1d0 [ 23.295246] should_fail+0x8c0/0xa40 [ 23.295260] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 23.295295] ? find_held_lock+0x35/0x1d0 [ 23.295311] ? __lock_is_held+0xb6/0x140 [ 23.295340] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.295353] ? rcu_note_context_switch+0x710/0x710 [ 23.295361] ? print_verifier_state+0x8ed/0xbe0 [ 23.295380] should_failslab+0xec/0x120 [ 23.295389] kmem_cache_alloc_trace+0x4b/0x750 [ 23.295414] do_check+0x59a/0xa050 [ 23.295422] ? bpf_check+0x3289/0x58c0 [ 23.295449] ? debug_check_no_obj_freed+0x3da/0xf1f [ 23.295469] ? check_mem_access+0x2760/0x2760 [ 23.295482] ? free_obj_work+0x690/0x690 [ 23.295497] ? __lock_is_held+0xb6/0x140 [ 23.295513] ? free_verifier_state+0x130/0x130 [ 23.295525] ? mark_held_locks+0xaf/0x100 [ 23.295533] ? kfree+0xf0/0x260 [ 23.295539] ? bpf_check+0x3289/0x58c0 [ 23.295548] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 23.295567] bpf_check+0x3296/0x58c0 [ 23.295574] ? pvclock_read_flags+0x160/0x160 [ 23.295600] ? do_check+0xa050/0xa050 [ 23.295616] ? do_gettimeofday+0x190/0x190 [ 23.295625] ? __might_sleep+0x95/0x190 [ 23.295635] ? memset+0x31/0x40 [ 23.295646] ? bpf_obj_name_cpy+0x199/0x1f0 [ 23.295651] ? kasan_check_write+0x14/0x20 [ 23.295666] bpf_prog_load+0xa2a/0x1b00 [ 23.295681] ? bpf_prog_new_fd+0x50/0x50 [ 23.295696] ? avc_has_perm+0x43e/0x680 [ 23.295711] ? avc_has_perm_noaudit+0x520/0x520 [ 23.295725] ? __might_fault+0x110/0x1d0 [ 23.295734] ? lock_downgrade+0x980/0x980 [ 23.295750] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.295759] ? __check_object_size+0x25d/0x4f0 [ 23.295778] ? __might_sleep+0x95/0x190 [ 23.295795] ? selinux_bpf+0xc3/0x110 [ 23.295806] ? security_bpf+0x89/0xb0 [ 23.295819] SyS_bpf+0x1044/0x4420 [ 23.295836] ? bpf_prog_get+0x20/0x20 [ 23.295851] ? check_noncircular+0x20/0x20 [ 23.295868] ? check_noncircular+0x20/0x20 [ 23.295881] ? _kstrtoull+0x145/0x1f0 [ 23.295892] ? _parse_integer+0x140/0x140 [ 23.295899] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.295912] ? find_held_lock+0x35/0x1d0 [ 23.295932] ? get_pid_task+0x93/0x140 [ 23.295942] ? lock_downgrade+0x980/0x980 [ 23.295960] ? rcu_read_lock_held+0xa9/0xc0 [ 23.295967] ? pid_task+0xf7/0x1a0 [ 23.295985] ? putname+0xee/0x130 [ 23.295994] ? check_noncircular+0x20/0x20 [ 23.296006] ? get_pid_task+0xbc/0x140 [ 23.296017] ? proc_fail_nth_write+0xb5/0x260 [ 23.296027] ? map_files_get_link+0x3a0/0x3a0 [ 23.296055] ? find_held_lock+0x35/0x1d0 [ 23.296074] ? vfs_write+0x374/0x510 [ 23.296083] ? lock_downgrade+0x980/0x980 [ 23.296100] ? __lock_is_held+0xb6/0x140 [ 23.296131] ? __sb_end_write+0xa0/0xd0 [ 23.296140] ? vfs_write+0x224/0x510 [ 23.296155] ? SyS_write+0x184/0x220 [ 23.296176] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 23.296195] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 23.296200] RIP: 0033:0x4404f9 [ 23.296204] RSP: 002b:00007fff03dc4a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 23.296211] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00000000004404f9 [ 23.296215] RDX: 0000000000000048 RSI: 0000000020903000 RDI: 0000000000000005 [ 23.296219] RBP: 000000000000000e R08: 0000000000000002 R09: 0000000000003332 [ 23.296223] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 23.296227] R13: 656c6c616b7a7973 R14: 000000000000000d R15: 0000000000000000 [ 23.301288] FAULT_INJECTION: forcing a failure. [ 23.301288] name failslab, interval 1, probability 0, space 0, times 0 [ 23.301296] CPU: 1 PID: 3197 Comm: syzkaller425062 Not tainted 4.15.0-rc5+ #170 [ 23.301300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.301303] Call Trace: [ 23.301314] dump_stack+0x194/0x257 [ 23.301327] ? arch_local_irq_restore+0x53/0x53 [ 23.301338] ? kernel_text_address+0x102/0x140 [ 23.301360] should_fail+0x8c0/0xa40 [ 23.301374] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 23.301393] ? save_stack+0xa3/0xd0 [ 23.301402] ? save_stack+0x43/0xd0 [ 23.301407] ? kasan_kmalloc+0xad/0xe0 [ 23.301413] ? kmem_cache_alloc_trace+0x136/0x750 [ 23.301426] ? find_held_lock+0x35/0x1d0 [ 23.301443] ? __lock_is_held+0xb6/0x140 [ 23.301472] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.301485] ? rcu_note_context_switch+0x710/0x710 [ 23.301505] should_failslab+0xec/0x120 [ 23.301514] kmem_cache_alloc_trace+0x4b/0x750 [ 23.301529] ? do_check+0x46d4/0xa050 [ 23.301544] copy_verifier_state+0x3f0/0x590 [ 23.301564] do_check+0x47e5/0xa050 [ 23.301572] ? bpf_check+0x3289/0x58c0 [ 23.301598] ? debug_check_no_obj_freed+0x3da/0xf1f [ 23.301618] ? check_mem_access+0x2760/0x2760 [ 23.301631] ? free_obj_work+0x690/0x690 [ 23.301646] ? __lock_is_held+0xb6/0x140 [ 23.301662] ? free_verifier_state+0x130/0x130 [ 23.301674] ? mark_held_locks+0xaf/0x100 [ 23.301682] ? kfree+0xf0/0x260 [ 23.301689] ? bpf_check+0x3289/0x58c0 [ 23.301697] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 23.301715] bpf_check+0x3296/0x58c0 [ 23.301724] ? pvclock_read_flags+0x160/0x160 [ 23.301749] ? do_check+0xa050/0xa050 [ 23.301765] ? do_gettimeofday+0x190/0x190 [ 23.301774] ? __might_sleep+0x95/0x190 [ 23.301783] ? memset+0x31/0x40 [ 23.301800] ? bpf_obj_name_cpy+0x199/0x1f0 [ 23.301806] ? kasan_check_write+0x14/0x20 [ 23.301821] bpf_prog_load+0xa2a/0x1b00 [ 23.301836] ? bpf_prog_new_fd+0x50/0x50 [ 23.301853] ? avc_has_perm+0x43e/0x680 [ 23.301869] ? avc_has_perm_noaudit+0x520/0x520 [ 23.301884] ? __might_fault+0x110/0x1d0 [ 23.301894] ? lock_downgrade+0x980/0x980 [ 23.301910] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.301919] ? __check_object_size+0x25d/0x4f0 [ 23.301938] ? __might_sleep+0x95/0x190 [ 23.301951] ? selinux_bpf+0xc3/0x110 [ 23.301961] ? security_bpf+0x89/0xb0 [ 23.301974] SyS_bpf+0x1044/0x4420 [ 23.301992] ? bpf_prog_get+0x20/0x20 [ 23.302009] ? check_noncircular+0x20/0x20 [ 23.302027] ? check_noncircular+0x20/0x20 [ 23.302041] ? _kstrtoull+0x145/0x1f0 [ 23.302052] ? _parse_integer+0x140/0x140 [ 23.302058] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.302072] ? find_held_lock+0x35/0x1d0 [ 23.302091] ? get_pid_task+0x93/0x140 [ 23.302101] ? lock_downgrade+0x980/0x980 [ 23.302120] ? rcu_read_lock_held+0xa9/0xc0 [ 23.302127] ? pid_task+0xf7/0x1a0 [ 23.302145] ? putname+0xee/0x130 [ 23.302155] ? check_noncircular+0x20/0x20 [ 23.302164] ? get_pid_task+0xbc/0x140 [ 23.302175] ? proc_fail_nth_write+0xb5/0x260 [ 23.302185] ? map_files_get_link+0x3a0/0x3a0 [ 23.302213] ? find_held_lock+0x35/0x1d0 [ 23.302232] ? vfs_write+0x374/0x510 [ 23.302242] ? lock_downgrade+0x980/0x980 [ 23.302258] ? __lock_is_held+0xb6/0x140 [ 23.302289] ? __sb_end_write+0xa0/0xd0 [ 23.302298] ? vfs_write+0x224/0x510 [ 23.302313] ? SyS_write+0x184/0x220 [ 23.302334] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 23.302353] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 23.302358] RIP: 0033:0x4404f9 [ 23.302362] RSP: 002b:00007fff03dc4a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 23.302369] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00000000004404f9 [ 23.302373] RDX: 0000000000000048 RSI: 0000000020903000 RDI: 0000000000000005 [ 23.302376] RBP: 000000000000000f R08: 0000000000000002 R09: 0000000000003332 [ 23.302380] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 23.302384] R13: 656c6c616b7a7973 R14: 000000000000000e R15: 0000000000000000 [ 23.302443] kasan: CONFIG_KASAN_INLINE enabled [ 23.302449] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 23.302456] general protection fault: 0000 [#1] SMP KASAN [ 23.302461] Dumping ftrace buffer: [ 23.302464] (ftrace buffer empty) [ 23.302466] Modules linked in: [ 23.302473] CPU: 1 PID: 3197 Comm: syzkaller425062 Not tainted 4.15.0-rc5+ #170 [ 23.302476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.302482] RIP: 0010:copy_verifier_state+0x364/0x590 [ 23.302485] RSP: 0018:ffff8801c7fff130 EFLAGS: 00010203 [ 23.302490] RAX: 0000000000000070 RBX: dffffc0000000000 RCX: 0000000000000384 [ 23.302493] RDX: 0000000000000000 RSI: ffff8801c938d800 RDI: ffff8801c938d800 [ 23.302497] RBP: ffff8801c7fff188 R08: ffff8801c938d700 R09: ffff8801c938d700 [ 23.302500] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801c8066940 [ 23.302504] R13: ffff8801c938d700 R14: 0000000000000000 R15: ffff8801c938d800 [ 23.302509] FS: 0000000001581880(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 23.302513] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.302516] CR2: 0000000020a97000 CR3: 00000001c839a001 CR4: 00000000001606e0 [ 23.302523] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 23.302526] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 23.302528] Call Trace: [ 23.302540] pop_stack+0x8c/0x270 [ 23.302549] do_check+0x4b60/0xa050 [ 23.302556] ? bpf_check+0x3289/0x58c0 [ 23.302571] ? debug_check_no_obj_freed+0x3da/0xf1f [ 23.302584] ? check_mem_access+0x2760/0x2760 [ 23.302592] ? free_obj_work+0x690/0x690 [ 23.302602] ? __lock_is_held+0xb6/0x140 [ 23.302612] ? free_verifier_state+0x130/0x130 [ 23.302621] ? mark_held_locks+0xaf/0x100 [ 23.302627] ? kfree+0xf0/0x260 [ 23.302632] ? bpf_check+0x3289/0x58c0 [ 23.302639] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 23.302650] bpf_check+0x3296/0x58c0 [ 23.302656] ? pvclock_read_flags+0x160/0x160 [ 23.302671] ? do_check+0xa050/0xa050 [ 23.302682] ? do_gettimeofday+0x190/0x190 [ 23.302688] ? __might_sleep+0x95/0x190 [ 23.302695] ? memset+0x31/0x40 [ 23.302703] ? bpf_obj_name_cpy+0x199/0x1f0 [ 23.302708] ? kasan_check_write+0x14/0x20 [ 23.302718] bpf_prog_load+0xa2a/0x1b00 [ 23.302727] ? bpf_prog_new_fd+0x50/0x50 [ 23.302737] ? avc_has_perm+0x43e/0x680 [ 23.302747] ? avc_has_perm_noaudit+0x520/0x520 [ 23.302757] ? __might_fault+0x110/0x1d0 [ 23.302764] ? lock_downgrade+0x980/0x980 [ 23.302774] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.302781] ? __check_object_size+0x25d/0x4f0 [ 23.302796] ? __might_sleep+0x95/0x190 [ 23.302805] ? selinux_bpf+0xc3/0x110 [ 23.302812] ? security_bpf+0x89/0xb0 [ 23.302821] SyS_bpf+0x1044/0x4420 [ 23.302832] ? bpf_prog_get+0x20/0x20 [ 23.302842] ? check_noncircular+0x20/0x20 [ 23.302853] ? check_noncircular+0x20/0x20 [ 23.302862] ? _kstrtoull+0x145/0x1f0 [ 23.302870] ? _parse_integer+0x140/0x140 [ 23.302875] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.302884] ? find_held_lock+0x35/0x1d0 [ 23.302897] ? get_pid_task+0x93/0x140 [ 23.302904] ? lock_downgrade+0x980/0x980 [ 23.302916] ? rcu_read_lock_held+0xa9/0xc0 [ 23.302922] ? pid_task+0xf7/0x1a0 [ 23.302933] ? putname+0xee/0x130 [ 23.302940] ? check_noncircular+0x20/0x20 [ 23.302947] ? get_pid_task+0xbc/0x140 [ 23.302955] ? proc_fail_nth_write+0xb5/0x260 [ 23.302962] ? map_files_get_link+0x3a0/0x3a0 [ 23.302979] ? find_held_lock+0x35/0x1d0 [ 23.302990] ? vfs_write+0x374/0x510 [ 23.302997] ? lock_downgrade+0x980/0x980 [ 23.303010] ? __lock_is_held+0xb6/0x140 [ 23.303029] ? __sb_end_write+0xa0/0xd0 [ 23.303036] ? vfs_write+0x224/0x510 [ 23.303046] ? SyS_write+0x184/0x220 [ 23.303058] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 23.303070] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 23.303073] RIP: 0033:0x4404f9 [ 23.303077] RSP: 002b:00007fff03dc4a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 23.303082] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00000000004404f9 [ 23.303086] RDX: 0000000000000048 RSI: 0000000020903000 RDI: 0000000000000005 [ 23.303089] RBP: 000000000000000f R08: 0000000000000002 R09: 0000000000003332 [ 23.303092] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 23.303096] R13: 656c6c616b7a7973 R14: 000000000000000e R15: 0000000000000000 [ 23.303110] Code: 4b 8d 3c f7 48 89 f8 48 c1 e8 03 80 3c 18 00 0f 85 05 02 00 00 4f 8b 34 f7 49 8d 8e 84 03 00 00 48 89 c8 48 89 4d c8 48 c1 e8 03 <0f> b6 14 18 48 89 c8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 [ 23.303223] RIP: copy_verifier_state+0x364/0x590 RSP: ffff8801c7fff130 [ 23.303251] ---[ end trace 18f3ab976ca58c6c ]--- [ 23.303255] Kernel panic - not syncing: Fatal exception [ 23.306364] Dumping ftrace buffer: [ 23.306367] (ftrace buffer empty) [ 23.306369] Kernel Offset: disabled [ 28.456750] Rebooting in 86400 seconds..