[ 33.004782] audit: type=1800 audit(1550941179.882:27): pid=7293 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 33.027224] audit: type=1800 audit(1550941179.882:28): pid=7293 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 33.927383] audit: type=1800 audit(1550941180.862:29): pid=7293 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 33.946858] audit: type=1800 audit(1550941180.862:30): pid=7293 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.118' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 421.097731] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program tun: can't open /dev/net/tun: please enable CONFIG_TUN=y otherwise fuzzing or reproducing might not work as intended executing program tun: can't open /dev/net/tun: please enable CONFIG_TUN=y otherwise fuzzing or reproducing might not work as intended executing program executing program tun: can't open /dev/net/tun: please enable CONFIG_TUN=y otherwise fuzzing or reproducing might not work as intended executing program executing program tun: can't open /dev/net/tun: please enable CONFIG_TUN=y otherwise fuzzing or reproducing might not work as intended executing program executing program executing program tun: can't open /dev/net/tun: please enable CONFIG_TUN=y otherwise fuzzing or reproducing might not work as intended executing program executing program tun: can't open /dev/net/tun: please enable CONFIG_TUN=y otherwise fuzzing or reproducing might not work as intended tun: can't open /dev/net/tun: please enable CONFIG_TUN=y otherwise fuzzing or reproducing might not work as intended tun: can't open /dev/net/tun: please enable CONFIG_TUN=yexecuting program executing program executing program otherwise fuzzing or reproducing might not work as intended tun: can't open /dev/net/tun: please enable CONFIG_TUN=y otherwise fuzzing or reproducing might not work as intended executing program executing program executing program tun: can't open /dev/net/tun: please enable CONFIG_TUN=y otherwise fuzzing or reproducing might not work as intended otherwise fuzzing or reproducing might not work as intended executing program executing program otherwise fuzzing or reproducing might not work as intended executing program tun: can't open /dev/net/tun: please enable CONFIG_TUN=y otherwise fuzzing or reproducing might not work as intended executing program otherwise fuzzing or reproducing might not work as intended executing program executing program tun: can't open /dev/net/tun: please enable CONFIG_TUN=y otherwise fuzzing or reproducing might not work as intended executing program executing program otherwise fuzzing or reproducing might not work as intended executing program tun: can't open /dev/net/tun: please enable CONFIG_TUN=y otherwise fuzzing or reproducing might not work as intended executing program executing program otherwise fuzzing or reproducing might not work as intended executing program executing program tun: can't open /dev/net/tun: please enable CONFIG_TUN=y otherwise fuzzing or reproducing might not work as intended executing program otherwise fuzzing or reproducing might not work as intended executing program otherwise fuzzing or reproducing might not work as intended executing program [ 623.332217] INFO: task syz-executor029:7515 blocked for more than 140 seconds. [ 623.339860] Not tainted 5.0.0-rc7+ #85 [ 623.344436] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 623.352481] syz-executor029 D28880 7515 7452 0x00000004 [ 623.358226] Call Trace: [ 623.360871] __schedule+0x817/0x1cc0 [ 623.364695] ? pci_mmcfg_check_reserved+0x170/0x170 [ 623.369722] ? rwsem_down_write_failed+0x764/0xc30 [ 623.374843] ? _raw_spin_unlock_irq+0x28/0x90 [ 623.379390] ? lockdep_hardirqs_on+0x415/0x5d0 [ 623.384038] schedule+0x92/0x180 [ 623.387409] rwsem_down_write_failed+0x774/0xc30 [ 623.392239] ? rwsem_down_read_failed+0x420/0x420 [ 623.397273] ? ima_match_policy+0xa19/0x13d0 [ 623.401678] ? __lock_is_held+0xb6/0x140 [ 623.406088] call_rwsem_down_write_failed+0x17/0x30 [ 623.411229] ? call_rwsem_down_write_failed+0x17/0x30 [ 623.416750] down_write+0x53/0x90 [ 623.420238] ? process_measurement+0x9ae/0x1570 [ 623.424998] process_measurement+0x9ae/0x1570 [ 623.429509] ? ima_add_template_entry.cold+0x48/0x48 [ 623.434869] ? refcount_inc_checked+0x70/0x70 [ 623.439425] ? aa_get_task_label+0x344/0x680 [ 623.443909] ? find_held_lock+0x35/0x130 [ 623.447977] ? aa_get_task_label+0x344/0x680 [ 623.452497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 623.458035] ? refcount_sub_and_test_checked+0x161/0x1f0 [ 623.463634] ? refcount_inc_checked+0x70/0x70 [ 623.468150] ? refcount_dec_and_test_checked+0x1b/0x20 [ 623.474995] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 623.481168] ? apparmor_task_getsecid+0x94/0xd0 [ 623.487315] ima_file_check+0xc5/0x110 [ 623.491321] ? process_measurement+0x1570/0x1570 [ 623.496835] ? inode_permission+0xb4/0x570 [ 623.503729] path_openat+0x1130/0x4690 [ 623.508148] ? __lock_acquire+0x53b/0x4700 [ 623.513302] ? getname_flags+0xd6/0x5b0 [ 623.519023] ? getname+0x1a/0x20 [ 623.522502] ? path_lookupat.isra.0+0x8d0/0x8d0 [ 623.527510] ? __lock_is_held+0xb6/0x140 [ 623.533446] do_filp_open+0x1a1/0x280 [ 623.537894] ? __alloc_fd+0x430/0x530 [ 623.541706] ? may_open_dev+0x100/0x100 [ 623.545876] ? kasan_check_read+0x11/0x20 [ 623.550115] ? do_raw_spin_unlock+0x57/0x270 [ 623.554692] do_sys_open+0x3fe/0x5d0 [ 623.558848] ? filp_open+0x80/0x80 [ 623.562465] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 623.567221] ? do_syscall_64+0x26/0x610 [ 623.571182] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 623.576607] ? do_syscall_64+0x26/0x610 [ 623.580580] ? lockdep_hardirqs_on+0x415/0x5d0 [ 623.585206] __x64_sys_creat+0x61/0x80 [ 623.589096] do_syscall_64+0x103/0x610 [ 623.593051] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 623.598234] RIP: 0033:0x442249 [ 623.601410] Code: e8 bc 04 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 623.621813] RSP: 002b:00007ffc02326db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 [ 623.630706] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442249 [ 623.638547] RDX: 0000000000442249 RSI: 0000000000000000 RDI: 0000000020000040 [ 623.646161] RBP: 00007ffc02326de0 R08: 00000000000000f0 R09: 00000000000000f0 [ 623.654568] R10: 00000000000000f0 R11: 0000000000000246 R12: 000000000006f5e3 [ 623.662841] R13: 00000000004a9250 R14: 0000000000000000 R15: 0000000000000000 [ 623.670458] INFO: task syz-executor029:7518 blocked for more than 140 seconds. [ 623.678052] Not tainted 5.0.0-rc7+ #85 [ 623.682714] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 623.690689] syz-executor029 D28880 7518 7446 0x00000004 [ 623.697168] Call Trace: [ 623.699988] __schedule+0x817/0x1cc0 [ 623.703806] ? pci_mmcfg_check_reserved+0x170/0x170 [ 623.708849] ? rwsem_down_write_failed+0x764/0xc30 [ 623.714050] ? _raw_spin_unlock_irq+0x28/0x90 [ 623.718904] ? lockdep_hardirqs_on+0x415/0x5d0 [ 623.723583] schedule+0x92/0x180 [ 623.727120] rwsem_down_write_failed+0x774/0xc30 [ 623.732131] ? rwsem_down_read_failed+0x420/0x420 [ 623.737015] ? ima_match_policy+0xa19/0x13d0 [ 623.741423] ? __lock_is_held+0xb6/0x140 [ 623.745549] call_rwsem_down_write_failed+0x17/0x30 [ 623.750567] ? call_rwsem_down_write_failed+0x17/0x30 [ 623.755828] down_write+0x53/0x90 [ 623.759277] ? process_measurement+0x9ae/0x1570 [ 623.764158] process_measurement+0x9ae/0x1570 [ 623.768668] ? ima_add_template_entry.cold+0x48/0x48 [ 623.773851] ? refcount_inc_checked+0x70/0x70 [ 623.778360] ? aa_get_task_label+0x344/0x680 [ 623.783092] ? find_held_lock+0x35/0x130 [ 623.787161] ? aa_get_task_label+0x344/0x680 [ 623.791564] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 623.797189] ? refcount_sub_and_test_checked+0x161/0x1f0 [ 623.802974] ? refcount_inc_checked+0x70/0x70 [ 623.807467] ? refcount_dec_and_test_checked+0x1b/0x20 [ 623.813991] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 623.819552] ? apparmor_task_getsecid+0x94/0xd0 [ 623.824313] ima_file_check+0xc5/0x110 [ 623.828360] ? process_measurement+0x1570/0x1570 [ 623.833273] ? inode_permission+0xb4/0x570 [ 623.837527] path_openat+0x1130/0x4690 [ 623.841414] ? __lock_acquire+0x53b/0x4700 [ 623.845793] ? getname_flags+0xd6/0x5b0 [ 623.849780] ? getname+0x1a/0x20 [ 623.853310] ? path_lookupat.isra.0+0x8d0/0x8d0 [ 623.858324] ? __lock_is_held+0xb6/0x140 [ 623.862619] do_filp_open+0x1a1/0x280 [ 623.866438] ? __alloc_fd+0x430/0x530 [ 623.870584] ? may_open_dev+0x100/0x100 [ 623.874671] ? kasan_check_read+0x11/0x20 [ 623.878825] ? do_raw_spin_unlock+0x57/0x270 [ 623.883309] do_sys_open+0x3fe/0x5d0 [ 623.887029] ? filp_open+0x80/0x80 [ 623.890562] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 623.895518] ? do_syscall_64+0x26/0x610 [ 623.899489] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 623.904930] ? do_syscall_64+0x26/0x610 [ 623.908909] ? lockdep_hardirqs_on+0x415/0x5d0 [ 623.913560] __x64_sys_creat+0x61/0x80 [ 623.917466] do_syscall_64+0x103/0x610 [ 623.921365] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 623.926705] RIP: 0033:0x442249 [ 623.930486] Code: e8 bc 04 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 623.950479] RSP: 002b:00007ffc02326db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 [ 623.958350] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442249 [ 623.965939] RDX: 0000000000442249 RSI: 0000000000000000 RDI: 0000000020000040 [ 623.974116] RBP: 00007ffc02326de0 R08: 00000000000000f0 R09: 00000000000000f0 [ 623.981392] R10: 00000000000000f0 R11: 0000000000000246 R12: 000000000006f5e5 [ 623.989156] R13: 00000000004a9250 R14: 0000000000000000 R15: 0000000000000000 [ 623.996807] INFO: task syz-executor029:7522 blocked for more than 140 seconds. [ 624.005506] Not tainted 5.0.0-rc7+ #85 [ 624.010214] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 624.018826] syz-executor029 D28880 7522 7479 0x00000000 [ 624.024533] Call Trace: [ 624.027151] __schedule+0x817/0x1cc0 [ 624.031000] ? pci_mmcfg_check_reserved+0x170/0x170 [ 624.036461] ? rwsem_down_write_failed+0x764/0xc30 [ 624.041427] ? _raw_spin_unlock_irq+0x28/0x90 [ 624.046225] ? lockdep_hardirqs_on+0x415/0x5d0 [ 624.051263] schedule+0x92/0x180 [ 624.054744] rwsem_down_write_failed+0x774/0xc30 [ 624.059510] ? rwsem_down_read_failed+0x420/0x420 [ 624.064747] ? ima_match_policy+0xa19/0x13d0 [ 624.069178] ? __lock_is_held+0xb6/0x140 [ 624.073375] call_rwsem_down_write_failed+0x17/0x30 [ 624.078429] ? call_rwsem_down_write_failed+0x17/0x30 [ 624.083921] down_write+0x53/0x90 [ 624.087603] ? process_measurement+0x9ae/0x1570 [ 624.093679] process_measurement+0x9ae/0x1570 [ 624.098560] ? ima_add_template_entry.cold+0x48/0x48 [ 624.103807] ? refcount_inc_checked+0x70/0x70 [ 624.108314] ? aa_get_task_label+0x344/0x680 [ 624.112803] ? find_held_lock+0x35/0x130 [ 624.117013] ? aa_get_task_label+0x344/0x680 [ 624.121569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 624.128421] ? refcount_sub_and_test_checked+0x161/0x1f0 [ 624.134554] ? refcount_inc_checked+0x70/0x70 [ 624.139415] ? refcount_dec_and_test_checked+0x1b/0x20 [ 624.145295] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 624.150839] ? apparmor_task_getsecid+0x94/0xd0 [ 624.156170] ima_file_check+0xc5/0x110 [ 624.160050] ? process_measurement+0x1570/0x1570 [ 624.164875] ? inode_permission+0xb4/0x570 [ 624.169108] path_openat+0x1130/0x4690 [ 624.173043] ? __lock_acquire+0x53b/0x4700 [ 624.177265] ? getname_flags+0xd6/0x5b0 [ 624.181679] ? getname+0x1a/0x20 [ 624.186051] ? path_lookupat.isra.0+0x8d0/0x8d0 [ 624.190738] ? __lock_is_held+0xb6/0x140 [ 624.194931] do_filp_open+0x1a1/0x280 [ 624.198783] ? __alloc_fd+0x430/0x530 [ 624.202708] ? may_open_dev+0x100/0x100 [ 624.206886] ? kasan_check_read+0x11/0x20 [ 624.211510] ? do_raw_spin_unlock+0x57/0x270 [ 624.216116] do_sys_open+0x3fe/0x5d0 [ 624.219881] ? filp_open+0x80/0x80 [ 624.223942] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 624.228942] ? do_syscall_64+0x26/0x610 [ 624.234185] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 624.239778] ? do_syscall_64+0x26/0x610 [ 624.244075] ? lockdep_hardirqs_on+0x415/0x5d0 [ 624.249321] __x64_sys_creat+0x61/0x80 [ 624.253776] do_syscall_64+0x103/0x610 [ 624.257857] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 624.263536] RIP: 0033:0x442249 [ 624.266742] Code: e8 bc 04 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 624.288834] RSP: 002b:00007ffc02326db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 [ 624.296988] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442249 [ 624.304527] RDX: 0000000000442249 RSI: 0000000000000000 RDI: 0000000020000040 [ 624.311912] RBP: 00007ffc02326de0 R08: 00000000000000f0 R09: 00000000000000f0 [ 624.320787] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000007096c [ 624.328388] R13: 00000000004a9250 R14: 0000000000000000 R15: 0000000000000000 [ 624.335990] INFO: task syz-executor029:7524 blocked for more than 140 seconds. [ 624.343681] Not tainted 5.0.0-rc7+ #85 [ 624.348408] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 624.356488] syz-executor029 D28880 7524 7479 0x00000000 [ 624.362245] Call Trace: [ 624.364831] __schedule+0x817/0x1cc0 [ 624.368536] ? pci_mmcfg_check_reserved+0x170/0x170 [ 624.373632] ? rwsem_down_write_failed+0x764/0xc30 [ 624.378588] ? _raw_spin_unlock_irq+0x28/0x90 [ 624.383171] ? lockdep_hardirqs_on+0x415/0x5d0 [ 624.387854] schedule+0x92/0x180 [ 624.391290] rwsem_down_write_failed+0x774/0xc30 [ 624.396333] ? rwsem_down_read_failed+0x420/0x420 [ 624.401432] ? ima_match_policy+0xa19/0x13d0 [ 624.406411] ? __lock_is_held+0xb6/0x140 [ 624.410658] call_rwsem_down_write_failed+0x17/0x30 [ 624.416183] ? call_rwsem_down_write_failed+0x17/0x30 [ 624.421400] down_write+0x53/0x90 [ 624.425089] ? process_measurement+0x9ae/0x1570 [ 624.430387] process_measurement+0x9ae/0x1570 [ 624.435038] ? ima_add_template_entry.cold+0x48/0x48 [ 624.440164] ? refcount_inc_checked+0x70/0x70 [ 624.444876] ? aa_get_task_label+0x344/0x680 [ 624.449844] ? find_held_lock+0x35/0x130 [ 624.454388] ? aa_get_task_label+0x344/0x680 [ 624.459164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 624.465040] ? refcount_sub_and_test_checked+0x161/0x1f0 [ 624.470903] ? refcount_inc_checked+0x70/0x70 [ 624.476038] ? refcount_dec_and_test_checked+0x1b/0x20 [ 624.481476] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 624.487610] ? apparmor_task_getsecid+0x94/0xd0 [ 624.492486] ima_file_check+0xc5/0x110 [ 624.496492] ? process_measurement+0x1570/0x1570 [ 624.501402] ? inode_permission+0xb4/0x570 [ 624.505916] path_openat+0x1130/0x4690 [ 624.510250] ? __lock_acquire+0x53b/0x4700 [ 624.515942] ? getname_flags+0xd6/0x5b0 [ 624.520196] ? getname+0x1a/0x20 [ 624.525270] ? path_lookupat.isra.0+0x8d0/0x8d0 [ 624.529935] ? __lock_is_held+0xb6/0x140 [ 624.534161] do_filp_open+0x1a1/0x280 [ 624.538086] ? __alloc_fd+0x430/0x530 [ 624.542702] ? may_open_dev+0x100/0x100 [ 624.546697] ? kasan_check_read+0x11/0x20 [ 624.550859] ? do_raw_spin_unlock+0x57/0x270 [ 624.555402] do_sys_open+0x3fe/0x5d0 [ 624.559355] ? filp_open+0x80/0x80 [ 624.563127] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 624.568799] ? do_syscall_64+0x26/0x610 [ 624.573870] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 624.580121] ? do_syscall_64+0x26/0x610 [ 624.584476] ? lockdep_hardirqs_on+0x415/0x5d0 [ 624.589095] __x64_sys_creat+0x61/0x80 [ 624.594130] do_syscall_64+0x103/0x610 [ 624.598033] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 624.603719] RIP: 0033:0x442249 [ 624.607114] Code: e8 bc 04 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 624.627717] RSP: 002b:00007ffc02326db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 [ 624.635967] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442249 [ 624.645581] RDX: 0000000000442249 RSI: 0000000000000000 RDI: 0000000020000040 [ 624.654352] RBP: 00007ffc02326de0 R08: 00000000000000f0 R09: 00000000000000f0 [ 624.662298] R10: 00000000000000f0 R11: 0000000000000246 R12: 0000000000071cf6 [ 624.670255] R13: 00000000004a9250 R14: 0000000000000000 R15: 0000000000000000 [ 624.678315] INFO: task syz-executor029:7525 blocked for more than 140 seconds. [ 624.685784] Not tainted 5.0.0-rc7+ #85 [ 624.690174] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 624.698221] syz-executor029 D28072 7525 7479 0x00000004 [ 624.704029] Call Trace: [ 624.706996] __schedule+0x817/0x1cc0 [ 624.710792] ? pci_mmcfg_check_reserved+0x170/0x170 [ 624.716213] ? rwsem_down_write_failed+0x764/0xc30 [ 624.721148] ? _raw_spin_unlock_irq+0x28/0x90 [ 624.725946] ? lockdep_hardirqs_on+0x415/0x5d0 [ 624.730546] schedule+0x92/0x180 [ 624.734005] rwsem_down_write_failed+0x774/0xc30 [ 624.738889] ? rwsem_down_read_failed+0x420/0x420 [ 624.743834] ? ima_match_policy+0xa19/0x13d0 [ 624.748250] ? __lock_is_held+0xb6/0x140 [ 624.752387] call_rwsem_down_write_failed+0x17/0x30 [ 624.757407] ? call_rwsem_down_write_failed+0x17/0x30 [ 624.762677] down_write+0x53/0x90 [ 624.766130] ? process_measurement+0x9ae/0x1570 [ 624.770915] process_measurement+0x9ae/0x1570 [ 624.775505] ? ima_add_template_entry.cold+0x48/0x48 [ 624.780628] ? refcount_inc_checked+0x70/0x70 [ 624.785267] ? aa_get_task_label+0x344/0x680 [ 624.789781] ? find_held_lock+0x35/0x130 [ 624.793902] ? aa_get_task_label+0x344/0x680 [ 624.798316] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 624.803959] ? refcount_sub_and_test_checked+0x161/0x1f0 [ 624.810307] ? refcount_inc_checked+0x70/0x70 [ 624.814969] ? refcount_dec_and_test_checked+0x1b/0x20 [ 624.820368] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 624.826053] ? apparmor_task_getsecid+0x94/0xd0 [ 624.832092] ima_file_check+0xc5/0x110 [ 624.835989] ? process_measurement+0x1570/0x1570 [ 624.840861] ? inode_permission+0xb4/0x570 [ 624.845643] path_openat+0x1130/0x4690 [ 624.849625] ? __lock_acquire+0x53b/0x4700 [ 624.854126] ? getname_flags+0xd6/0x5b0 [ 624.859310] ? getname+0x1a/0x20 [ 624.862786] ? path_lookupat.isra.0+0x8d0/0x8d0 [ 624.867463] ? __lock_is_held+0xb6/0x140 [ 624.871527] do_filp_open+0x1a1/0x280 [ 624.875390] ? __alloc_fd+0x430/0x530 [ 624.879188] ? may_open_dev+0x100/0x100 [ 624.883234] ? kasan_check_read+0x11/0x20 [ 624.887379] ? do_raw_spin_unlock+0x57/0x270 [ 624.891784] do_sys_open+0x3fe/0x5d0 [ 624.895741] ? filp_open+0x80/0x80 [ 624.899286] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 624.904130] ? do_syscall_64+0x26/0x610 [ 624.908108] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 624.913648] ? do_syscall_64+0x26/0x610 [ 624.917629] ? lockdep_hardirqs_on+0x415/0x5d0 [ 624.922293] __x64_sys_creat+0x61/0x80 [ 624.926220] do_syscall_64+0x103/0x610 [ 624.930364] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 624.936200] RIP: 0033:0x442249 [ 624.940753] Code: e8 bc 04 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 624.962298] RSP: 002b:00007ffc02326db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 [ 624.971996] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442249 [ 624.979382] RDX: 0000000000442249 RSI: 0000000000000000 RDI: 0000000020000040 [ 624.987689] RBP: 00007ffc02326de0 R08: 00000000000000f0 R09: 00000000000000f0 [ 624.996017] R10: 00000000000000f0 R11: 0000000000000246 R12: 0000000000071cf9 [ 625.003378] R13: 00000000004a9250 R14: 0000000000000000 R15: 0000000000000000 [ 625.010893] INFO: task syz-executor029:7526 blocked for more than 140 seconds. [ 625.018455] Not tainted 5.0.0-rc7+ #85 [ 625.022956] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 625.032372] syz-executor029 D28880 7526 7525 0x00000004 [ 625.038270] Call Trace: [ 625.040961] __schedule+0x817/0x1cc0 [ 625.045013] ? pci_mmcfg_check_reserved+0x170/0x170 [ 625.050563] ? rwsem_down_write_failed+0x764/0xc30 [ 625.055866] ? _raw_spin_unlock_irq+0x28/0x90 [ 625.060912] ? lockdep_hardirqs_on+0x415/0x5d0 [ 625.065742] schedule+0x92/0x180 [ 625.069121] rwsem_down_write_failed+0x774/0xc30 [ 625.074311] ? rwsem_down_read_failed+0x420/0x420 [ 625.079616] ? ima_match_policy+0xa19/0x13d0 [ 625.084353] ? __lock_is_held+0xb6/0x140 [ 625.088544] call_rwsem_down_write_failed+0x17/0x30 [ 625.094111] ? call_rwsem_down_write_failed+0x17/0x30 [ 625.099614] down_write+0x53/0x90 [ 625.103207] ? process_measurement+0x9ae/0x1570 [ 625.108024] process_measurement+0x9ae/0x1570 [ 625.115479] ? ima_add_template_entry.cold+0x48/0x48 [ 625.120701] ? refcount_inc_checked+0x70/0x70 [ 625.125345] ? aa_get_task_label+0x344/0x680 [ 625.129848] ? find_held_lock+0x35/0x130 [ 625.134826] ? aa_get_task_label+0x344/0x680 [ 625.139627] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 625.145366] ? refcount_sub_and_test_checked+0x161/0x1f0 [ 625.151111] ? refcount_inc_checked+0x70/0x70 [ 625.157121] ? refcount_dec_and_test_checked+0x1b/0x20 [ 625.163352] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 625.170388] ? apparmor_task_getsecid+0x94/0xd0 [ 625.175891] ima_file_check+0xc5/0x110 [ 625.181335] ? process_measurement+0x1570/0x1570 [ 625.188007] ? inode_permission+0xb4/0x570 [ 625.192911] path_openat+0x1130/0x4690 [ 625.196828] ? __lock_acquire+0x53b/0x4700 [ 625.201429] ? getname_flags+0xd6/0x5b0 [ 625.205519] ? getname+0x1a/0x20 [ 625.208901] ? path_lookupat.isra.0+0x8d0/0x8d0 [ 625.213963] ? __lock_is_held+0xb6/0x140 [ 625.218039] do_filp_open+0x1a1/0x280 [ 625.221980] ? __alloc_fd+0x430/0x530 [ 625.226158] ? may_open_dev+0x100/0x100 [ 625.230839] ? kasan_check_read+0x11/0x20 [ 625.235806] ? do_raw_spin_unlock+0x57/0x270 [ 625.240263] do_sys_open+0x3fe/0x5d0 [ 625.244286] ? filp_open+0x80/0x80 [ 625.248066] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 625.253017] ? do_syscall_64+0x26/0x610 [ 625.257372] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 625.267094] ? do_syscall_64+0x26/0x610 [ 625.271118] ? lockdep_hardirqs_on+0x415/0x5d0 [ 625.276403] __x64_sys_creat+0x61/0x80 [ 625.283598] do_syscall_64+0x103/0x610 [ 625.289090] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 625.294971] RIP: 0033:0x442249 [ 625.298246] Code: e8 bc 04 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 625.321832] RSP: 002b:00007ffc02326db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 [ 625.333199] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442249 [ 625.350516] RDX: 0000000000442249 RSI: 0000000000000000 RDI: 0000000020000040 [ 625.359709] RBP: 00007ffc02326de0 R08: 00000000000000f0 R09: 00000000000000f0 [ 625.371461] R10: 00000000000000f0 R11: 0000000000000246 R12: 0000000000071cf9 [ 625.381073] R13: 00000000004a9250 R14: 0000000000000000 R15: 0000000000000000 [ 625.389860] [ 625.389860] Showing all locks held in the system: [ 625.398905] 1 lock held by khungtaskd/1040: [ 625.403349] #0: 00000000b33b1b17 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x27e [ 625.414312] 1 lock held by rsyslogd/7331: [ 625.418448] #0: 00000000472554c3 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 625.426655] 2 locks held by getty/7421: [ 625.430902] #0: 000000000946e9a4 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 625.439301] #1: 00000000536f8a83 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 625.453221] 2 locks held by getty/7422: [ 625.457295] #0: 000000000f00229c (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 625.466554] #1: 000000002fd04631 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 625.476538] 2 locks held by getty/7423: [ 625.480563] #0: 00000000d669190c (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 625.496489] #1: 00000000fe8f8059 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 625.505559] 2 locks held by getty/7424: [ 625.509533] #0: 000000002568e4dd (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 625.518098] #1: 000000006f772cf5 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 625.527350] 2 locks held by getty/7425: [ 625.531506] #0: 00000000447753f3 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 625.539977] #1: 00000000c7c7f008 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 625.548896] 2 locks held by getty/7426: [ 625.552949] #0: 00000000afcbf8c7 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 625.561207] #1: 0000000026623698 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 625.571122] 2 locks held by getty/7427: [ 625.575144] #0: 000000009ab4afd1 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 625.583589] #1: 00000000fb54d92a (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 625.592527] 2 locks held by syz-executor029/7515: [ 625.597704] #0: 00000000d9f6109b (sb_writers#3){.+.+}, at: mnt_want_write+0x3f/0xc0 [ 625.606121] #1: 00000000be0f3d76 (&sb->s_type->i_mutex_key#10){+.+.}, at: process_measurement+0x9ae/0x1570 [ 625.616278] 2 locks held by syz-executor029/7517: [ 625.621339] #0: 00000000d9f6109b (sb_writers#3){.+.+}, at: vfs_write+0x429/0x580 [ 625.629658] #1: 00000000be0f3d76 (&sb->s_type->i_mutex_key#10){+.+.}, at: ext4_file_write_iter+0x250/0x1160 [ 625.639916] 2 locks held by syz-executor029/7518: [ 625.644834] #0: 00000000d9f6109b (sb_writers#3){.+.+}, at: mnt_want_write+0x3f/0xc0 [ 625.653064] #1: 00000000be0f3d76 (&sb->s_type->i_mutex_key#10){+.+.}, at: process_measurement+0x9ae/0x1570 [ 625.663858] 2 locks held by syz-executor029/7522: [ 625.669117] #0: 00000000d9f6109b (sb_writers#3){.+.+}, at: mnt_want_write+0x3f/0xc0 [ 625.677319] #1: 00000000be0f3d76 (&sb->s_type->i_mutex_key#10){+.+.}, at: process_measurement+0x9ae/0x1570 [ 625.687366] 2 locks held by syz-executor029/7524: [ 625.692273] #0: 00000000d9f6109b (sb_writers#3){.+.+}, at: mnt_want_write+0x3f/0xc0 [ 625.700279] #1: 00000000be0f3d76 (&sb->s_type->i_mutex_key#10){+.+.}, at: process_measurement+0x9ae/0x1570 [ 625.711388] 2 locks held by syz-executor029/7525: [ 625.716524] #0: 00000000d9f6109b (sb_writers#3){.+.+}, at: mnt_want_write+0x3f/0xc0 [ 625.724659] #1: 00000000be0f3d76 (&sb->s_type->i_mutex_key#10){+.+.}, at: process_measurement+0x9ae/0x1570 [ 625.736077] 2 locks held by syz-executor029/7526: [ 625.740911] #0: 00000000d9f6109b (sb_writers#3){.+.+}, at: mnt_want_write+0x3f/0xc0 [ 625.748992] #1: 00000000be0f3d76 (&sb->s_type->i_mutex_key#10){+.+.}, at: process_measurement+0x9ae/0x1570 [ 625.759292] [ 625.761000] ============================================= [ 625.761000] [ 625.768279] NMI backtrace for cpu 1 [ 625.772823] CPU: 1 PID: 1040 Comm: khungtaskd Not tainted 5.0.0-rc7+ #85 [ 625.780996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 625.790553] Call Trace: [ 625.793473] dump_stack+0x172/0x1f0 [ 625.797207] nmi_cpu_backtrace.cold+0x63/0xa4 [ 625.802033] ? lapic_can_unplug_cpu.cold+0x38/0x38 [ 625.807575] nmi_trigger_cpumask_backtrace+0x1be/0x236 [ 625.812885] arch_trigger_cpumask_backtrace+0x14/0x20 [ 625.818181] watchdog+0x9df/0xee0 [ 625.821838] kthread+0x357/0x430 [ 625.825220] ? reset_hung_task_detector+0x30/0x30 [ 625.831362] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 625.837345] ret_from_fork+0x3a/0x50 [ 625.841276] Sending NMI from CPU 1 to CPUs 0: [ 625.846141] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0x2/0x10 [ 625.847102] Kernel panic - not syncing: hung_task: blocked tasks [ 625.860341] CPU: 1 PID: 1040 Comm: khungtaskd Not tainted 5.0.0-rc7+ #85 [ 625.867873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 625.878274] Call Trace: [ 625.881010] dump_stack+0x172/0x1f0 [ 625.884717] panic+0x2cb/0x65c [ 625.887904] ? __warn_printk+0xf3/0xf3 [ 625.891798] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 625.896867] ? printk_safe_flush+0xf2/0x140 [ 625.901400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 625.906956] ? lapic_can_unplug_cpu.cold+0x38/0x38 [ 625.911901] ? nmi_trigger_cpumask_backtrace+0x1a7/0x236 [ 625.918160] ? nmi_trigger_cpumask_backtrace+0x19e/0x236 [ 625.924168] watchdog+0x9f0/0xee0 [ 625.927624] kthread+0x357/0x430 [ 625.931416] ? reset_hung_task_detector+0x30/0x30 [ 625.936511] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 625.942073] ret_from_fork+0x3a/0x50 [ 625.948513] Kernel Offset: disabled [ 625.952264] Rebooting in 86400 seconds..