[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 24.042120][ T24] kauditd_printk_skb: 16 callbacks suppressed [ 24.042125][ T24] audit: type=1800 audit(1559445748.524:33): pid=6708 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 24.070224][ T24] audit: type=1800 audit(1559445748.544:34): pid=6708 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 [....] startpar: service(s) returned failure: rsyslog ssh ...[?25l[?1c7[FAIL8[?25h[?0c failed! Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 57.746571][ T24] audit: type=1400 audit(1559445782.224:35): avc: denied { map } for pid=6908 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 '10.128.0.160' (ECDSA) to the list of known hosts. [ 92.976121][ T24] audit: type=1400 audit(1559445817.454:36): avc: denied { map } for pid=6920 comm="syz-executor259" path="/root/syz-executor259984071" 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 executing program [ 99.848986][ T6921] FAULT_INJECTION: forcing a failure. [ 99.848986][ T6921] name failslab, interval 1, probability 0, space 0, times 1 [ 99.861585][ T6921] CPU: 1 PID: 6921 Comm: syz-executor259 Not tainted 5.2.0-rc2+ #17 [ 99.869521][ T6921] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 99.879545][ T6921] Call Trace: [ 99.882801][ T6921] dump_stack+0xaa/0xd6 [ 99.886922][ T6921] should_fail.cold+0x3c/0x49 [ 99.891670][ T6921] __should_failslab+0x65/0xa0 [ 99.896417][ T6921] should_failslab+0x9/0x14 [ 99.900883][ T6921] __kmalloc_track_caller+0x50/0x2c0 [ 99.906137][ T6921] ? cfg80211_netdev_notifier_call+0x8b/0x715 [ 99.912165][ T6921] ? kstrdup_const+0x48/0x60 [ 99.916718][ T6921] kstrdup+0x3a/0x70 [ 99.920579][ T6921] kstrdup_const+0x48/0x60 [ 99.924959][ T6921] kvasprintf_const+0x7e/0xe0 [ 99.929601][ T6921] kobject_set_name_vargs+0x40/0xe0 [ 99.934765][ T6921] dev_set_name+0x63/0x90 [ 99.939060][ T6921] netdev_register_kobject+0x5a/0x1b0 [ 99.944396][ T6921] register_netdevice+0x397/0x600 [ 99.949390][ T6921] ppp_dev_configure+0x2a8/0x380 [ 99.954293][ T6921] ppp_ioctl+0x977/0xdd0 [ 99.958498][ T6921] ? ppp_input_error+0xe0/0xe0 [ 99.963228][ T6921] do_vfs_ioctl+0x62a/0x810 [ 99.967694][ T6921] ? tomoyo_file_ioctl+0x23/0x30 [ 99.972597][ T6921] ksys_ioctl+0x86/0xb0 [ 99.976715][ T6921] __x64_sys_ioctl+0x1e/0x30 [ 99.981268][ T6921] do_syscall_64+0x76/0x1a0 [ 99.985733][ T6921] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 99.991589][ T6921] RIP: 0033:0x441429 [ 99.995449][ T6921] Code: e8 0c e9 ff ff 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 6b 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 100.015021][ T6921] RSP: 002b:00007fffbd30ce58 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 100.023400][ T6921] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441429 [ 100.031338][ T6921] RDX: 0000000020000240 RSI: 00000000c004743e RDI: 0000000000000003 [ 100.039288][ T6921] RBP: 00007fffbd30ce70 R08: 0000000000000002 R09: 0000000000000000 [ 100.047224][ T6921] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 100.055163][ T6921] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 executing program [ 105.919696][ T6922] FAULT_INJECTION: forcing a failure. [ 105.919696][ T6922] name failslab, interval 1, probability 0, space 0, times 0 [ 105.932325][ T6922] CPU: 0 PID: 6922 Comm: syz-executor259 Not tainted 5.2.0-rc2+ #17 [ 105.940270][ T6922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 105.950293][ T6922] Call Trace: [ 105.953554][ T6922] dump_stack+0xaa/0xd6 [ 105.957677][ T6922] should_fail.cold+0x3c/0x49 [ 105.962316][ T6922] __should_failslab+0x65/0xa0 [ 105.967043][ T6922] should_failslab+0x9/0x14 [ 105.971519][ T6922] kmem_cache_alloc+0x26/0x270 [ 105.976250][ T6922] __kernfs_new_node+0x75/0x270 [ 105.981066][ T6922] ? make_kgid+0x23/0x30 [ 105.985277][ T6922] ? kernfs_next_descendant_post+0xf8/0x110 [ 105.991144][ T6922] ? map_id_range_down+0xb4/0x140 [ 105.996134][ T6922] kernfs_new_node+0x5e/0x90 [ 106.000689][ T6922] __kernfs_create_file+0x51/0x110 [ 106.005768][ T6922] sysfs_add_file_mode_ns+0xed/0x230 [ 106.011022][ T6922] sysfs_create_file_ns+0x78/0xc0 [ 106.016026][ T6922] device_create_file+0x5a/0xc0 [ 106.020847][ T6922] device_add+0x299/0x890 [ 106.025153][ T6922] netdev_register_kobject+0xa6/0x1b0 [ 106.030493][ T6922] register_netdevice+0x397/0x600 [ 106.035482][ T6922] ppp_dev_configure+0x2a8/0x380 [ 106.040386][ T6922] ppp_ioctl+0x977/0xdd0 [ 106.044597][ T6922] ? ppp_input_error+0xe0/0xe0 [ 106.049327][ T6922] do_vfs_ioctl+0x62a/0x810 [ 106.053798][ T6922] ? tomoyo_file_ioctl+0x23/0x30 [ 106.058699][ T6922] ksys_ioctl+0x86/0xb0 [ 106.062821][ T6922] __x64_sys_ioctl+0x1e/0x30 [ 106.067375][ T6922] do_syscall_64+0x76/0x1a0 [ 106.071842][ T6922] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 106.077704][ T6922] RIP: 0033:0x441429 [ 106.081566][ T6922] Code: e8 0c e9 ff ff 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 6b 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 106.101141][ T6922] RSP: 002b:00007fffbd30ce58 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 106.109523][ T6922] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441429 [ 106.117461][ T6922] RDX: 0000000020000240 RSI: 00000000c004743e RDI: 0000000000000003 [ 106.125396][ T6922] RBP: 00007fffbd30ce70 R08: 0000000000000002 R09: 0000000000000000 [ 106.133331][ T6922] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 106.141267][ T6922] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 executing program [ 112.015820][ T6925] FAULT_INJECTION: forcing a failure. [ 112.015820][ T6925] name failslab, interval 1, probability 0, space 0, times 0 [ 112.028510][ T6925] CPU: 0 PID: 6925 Comm: syz-executor259 Not tainted 5.2.0-rc2+ #17 [ 112.036450][ T6925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 112.046493][ T6925] Call Trace: [ 112.049751][ T6925] dump_stack+0xaa/0xd6 [ 112.053968][ T6925] should_fail.cold+0x3c/0x49 [ 112.058606][ T6925] __should_failslab+0x65/0xa0 [ 112.063449][ T6925] should_failslab+0x9/0x14 [ 112.067913][ T6925] kmem_cache_alloc+0x26/0x270 [ 112.072640][ T6925] __kernfs_new_node+0x75/0x270 [ 112.077453][ T6925] ? make_kgid+0x23/0x30 [ 112.081742][ T6925] ? kernfs_next_descendant_post+0xf8/0x110 [ 112.087596][ T6925] ? map_id_range_down+0xb4/0x140 [ 112.092591][ T6925] kernfs_new_node+0x5e/0x90 [ 112.097236][ T6925] __kernfs_create_file+0x51/0x110 [ 112.102310][ T6925] sysfs_add_file_mode_ns+0xed/0x230 [ 112.107552][ T6925] sysfs_create_file_ns+0x78/0xc0 [ 112.112538][ T6925] device_create_file+0x5a/0xc0 [ 112.117347][ T6925] device_add+0x299/0x890 [ 112.121652][ T6925] netdev_register_kobject+0xa6/0x1b0 [ 112.127034][ T6925] register_netdevice+0x397/0x600 [ 112.132050][ T6925] ppp_dev_configure+0x2a8/0x380 [ 112.136951][ T6925] ppp_ioctl+0x977/0xdd0 [ 112.141179][ T6925] ? ppp_input_error+0xe0/0xe0 [ 112.145909][ T6925] do_vfs_ioctl+0x62a/0x810 [ 112.150376][ T6925] ? tomoyo_file_ioctl+0x23/0x30 [ 112.155314][ T6925] ksys_ioctl+0x86/0xb0 [ 112.159447][ T6925] __x64_sys_ioctl+0x1e/0x30 [ 112.164002][ T6925] do_syscall_64+0x76/0x1a0 [ 112.168473][ T6925] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 112.174328][ T6925] RIP: 0033:0x441429 [ 112.178189][ T6925] Code: e8 0c e9 ff ff 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 6b 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 112.197981][ T6925] RSP: 002b:00007fffbd30ce58 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 112.206362][ T6925] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441429 [ 112.214297][ T6925] RDX: 0000000020000240 RSI: 00000000c004743e RDI: 0000000000000003 [ 112.222234][ T6925] RBP: 00007fffbd30ce70 R08: 0000000000000002 R09: 0000000000000000 [ 112.230180][ T6925] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 112.238119][ T6925] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 executing program [ 118.093177][ T6928] FAULT_INJECTION: forcing a failure. [ 118.093177][ T6928] name failslab, interval 1, probability 0, space 0, times 0 [ 118.105797][ T6928] CPU: 0 PID: 6928 Comm: syz-executor259 Not tainted 5.2.0-rc2+ #17 [ 118.113910][ T6928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 118.123937][ T6928] Call Trace: [ 118.127193][ T6928] dump_stack+0xaa/0xd6 [ 118.131313][ T6928] should_fail.cold+0x3c/0x49 [ 118.135952][ T6928] __should_failslab+0x65/0xa0 [ 118.140682][ T6928] should_failslab+0x9/0x14 [ 118.145146][ T6928] kmem_cache_alloc+0x26/0x270 [ 118.149871][ T6928] __kernfs_new_node+0x75/0x270 [ 118.154681][ T6928] ? make_kgid+0x23/0x30 [ 118.158887][ T6928] ? kernfs_next_descendant_post+0xf8/0x110 [ 118.164759][ T6928] ? map_id_range_down+0xb4/0x140 [ 118.169755][ T6928] kernfs_new_node+0x5e/0x90 [ 118.174304][ T6928] __kernfs_create_file+0x51/0x110 [ 118.179389][ T6928] sysfs_add_file_mode_ns+0xed/0x230 [ 118.184644][ T6928] sysfs_create_file_ns+0x78/0xc0 [ 118.189633][ T6928] device_create_file+0x5a/0xc0 [ 118.194442][ T6928] device_add+0x299/0x890 [ 118.198731][ T6928] netdev_register_kobject+0xa6/0x1b0 [ 118.204073][ T6928] register_netdevice+0x397/0x600 [ 118.209060][ T6928] ppp_dev_configure+0x2a8/0x380 [ 118.214058][ T6928] ppp_ioctl+0x977/0xdd0 [ 118.218274][ T6928] ? ppp_input_error+0xe0/0xe0 [ 118.223001][ T6928] do_vfs_ioctl+0x62a/0x810 [ 118.227467][ T6928] ? tomoyo_file_ioctl+0x23/0x30 [ 118.232366][ T6928] ksys_ioctl+0x86/0xb0 [ 118.236586][ T6928] __x64_sys_ioctl+0x1e/0x30 [ 118.241143][ T6928] do_syscall_64+0x76/0x1a0 [ 118.245609][ T6928] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 118.251464][ T6928] RIP: 0033:0x441429 [ 118.255326][ T6928] Code: e8 0c e9 ff ff 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 6b 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 118.274891][ T6928] RSP: 002b:00007fffbd30ce58 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 118.283349][ T6928] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441429 [ 118.291282][ T6928] RDX: 0000000020000240 RSI: 00000000c004743e RDI: 0000000000000003 [ 118.299300][ T6928] RBP: 00007fffbd30ce70 R08: 0000000000000002 R09: 0000000000000000 [ 118.307236][ T6928] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 118.315174][ T6928] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 executing program [ 124.148869][ T6931] FAULT_INJECTION: forcing a failure. [ 124.148869][ T6931] name failslab, interval 1, probability 0, space 0, times 0 [ 124.161620][ T6931] CPU: 1 PID: 6931 Comm: syz-executor259 Not tainted 5.2.0-rc2+ #17 [ 124.169642][ T6931] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 124.179655][ T6931] Call Trace: [ 124.182923][ T6931] dump_stack+0xaa/0xd6 [ 124.187135][ T6931] should_fail.cold+0x3c/0x49 [ 124.191774][ T6931] __should_failslab+0x65/0xa0 [ 124.196499][ T6931] should_failslab+0x9/0x14 [ 124.200964][ T6931] kmem_cache_alloc+0x26/0x270 [ 124.205706][ T6931] __kernfs_new_node+0x75/0x270 [ 124.210518][ T6931] ? make_kgid+0x23/0x30 [ 124.214720][ T6931] ? kernfs_next_descendant_post+0xf8/0x110 [ 124.220574][ T6931] ? map_id_range_down+0xb4/0x140 [ 124.225555][ T6931] kernfs_new_node+0x5e/0x90 [ 124.230104][ T6931] __kernfs_create_file+0x51/0x110 [ 124.235256][ T6931] sysfs_add_file_mode_ns+0xed/0x230 [ 124.240501][ T6931] sysfs_create_file_ns+0x78/0xc0 [ 124.245490][ T6931] device_create_file+0x5a/0xc0 [ 124.250400][ T6931] device_add+0x299/0x890 [ 124.254692][ T6931] netdev_register_kobject+0xa6/0x1b0 [ 124.260030][ T6931] register_netdevice+0x397/0x600 [ 124.265016][ T6931] ppp_dev_configure+0x2a8/0x380 [ 124.269918][ T6931] ppp_ioctl+0x977/0xdd0 [ 124.274138][ T6931] ? ppp_input_error+0xe0/0xe0 [ 124.278891][ T6931] do_vfs_ioctl+0x62a/0x810 [ 124.283383][ T6931] ? tomoyo_file_ioctl+0x23/0x30 [ 124.288280][ T6931] ksys_ioctl+0x86/0xb0 [ 124.292396][ T6931] __x64_sys_ioctl+0x1e/0x30 [ 124.296949][ T6931] do_syscall_64+0x76/0x1a0 [ 124.301416][ T6931] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 124.307268][ T6931] RIP: 0033:0x441429 [ 124.311164][ T6931] Code: e8 0c e9 ff ff 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 6b 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 124.330730][ T6931] RSP: 002b:00007fffbd30ce58 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 124.339206][ T6931] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441429 [ 124.347140][ T6931] RDX: 0000000020000240 RSI: 00000000c004743e RDI: 0000000000000003 [ 124.355073][ T6931] RBP: 00007fffbd30ce70 R08: 0000000000000002 R09: 0000000000000000 [ 124.363007][ T6931] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 124.370945][ T6931] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 130.117032][ T6920] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888113d704e0 (size 32): comm "syz-executor259", pid 6931, jiffies 4294949688 (age 7.990s) hex dump (first 32 bytes): 70 70 70 30 00 70 70 70 00 00 00 00 00 00 00 00 ppp0.ppp........ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000003896dfa2>] __kmalloc_track_caller+0x15d/0x2c0 [<0000000046bcc393>] kstrdup+0x3a/0x70 [<00000000d5a8f49c>] kstrdup_const+0x48/0x60 [<00000000034207e9>] kvasprintf_const+0x7e/0xe0 [<00000000dbf11b87>] kobject_set_name_vargs+0x40/0xe0 [<0000000060ae1b2a>] dev_set_name+0x63/0x90 [<00000000454452b8>] netdev_register_kobject+0x5a/0x1b0 [<000000008f0f7556>] register_netdevice+0x397/0x600 [<00000000cc6399a1>] ppp_dev_configure+0x2a8/0x380 [<00000000e3064e61>] ppp_ioctl+0x977/0xdd0 [<000000003c396fe8>] do_vfs_ioctl+0x62a/0x810 [<00000000b30c0aeb>] ksys_ioctl+0x86/0xb0 [<00000000b885d7b1>] __x64_sys_ioctl+0x1e/0x30 [<00000000615e4e88>] do_syscall_64+0x76/0x1a0 [<000000007cadad19>] entry_SYSCALL_64_after_hwframe+0x44/0xa9