[....] Starting file context maintaining daemon: restorecond[ 21.972549][ T22] kauditd_printk_skb: 16 callbacks suppressed [ 21.972555][ T22] audit: type=1400 audit(1573456983.642:37): avc: denied { watch } for pid=6753 comm="restorecond" path="/root/.ssh" dev="sda1" ino=16179 scontext=system_u:system_r:kernel_t:s0 tcontext=unconfined_u:object_r:ssh_home_t:s0 tclass=dir permissive=1 [ 22.003495][ T22] audit: type=1400 audit(1573456983.642:38): avc: denied { watch } for pid=6753 comm="restorecond" path="/etc/selinux/restorecond.conf" dev="sda1" ino=2232 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. [ 22.048984][ T22] audit: type=1800 audit(1573456983.712:39): pid=6658 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 [ 22.070901][ T22] audit: type=1800 audit(1573456983.712:40): pid=6658 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 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 28.151398][ T22] audit: type=1400 audit(1573456989.822:41): avc: denied { map } for pid=6837 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 '10.128.0.103' (ECDSA) to the list of known hosts. [ 64.666851][ T22] audit: type=1400 audit(1573457026.332:42): avc: denied { map } for pid=6853 comm="syz-executor166" path="/root/syz-executor166062103" dev="sda1" ino=16461 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 [ 71.816029][ T6854] FAULT_INJECTION: forcing a failure. [ 71.816029][ T6854] name failslab, interval 1, probability 0, space 0, times 1 [ 71.828626][ T6854] CPU: 0 PID: 6854 Comm: syz-executor166 Not tainted 5.4.0-rc6+ #0 [ 71.836485][ T6854] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.846632][ T6854] Call Trace: [ 71.849942][ T6854] dump_stack+0xbc/0xe6 [ 71.854069][ T6854] should_fail.cold+0x3c/0x49 [ 71.858719][ T6854] __should_failslab+0x65/0xa0 [ 71.863451][ T6854] should_failslab+0x9/0x14 [ 71.867927][ T6854] kmem_cache_alloc+0x26/0x2c0 [ 71.872663][ T6854] ? preempt_count_add+0x6f/0xb0 [ 71.877571][ T6854] create_object+0x3d/0x360 [ 71.882040][ T6854] kmemleak_alloc+0x21/0x30 [ 71.886512][ T6854] kmem_cache_alloc+0x13f/0x2c0 [ 71.891331][ T6854] __kernfs_new_node+0x75/0x270 [ 71.896162][ T6854] ? map_id_range_down+0xb4/0x140 [ 71.901167][ T6854] ? make_kgid+0x23/0x30 [ 71.905378][ T6854] kernfs_new_node+0x5e/0x90 [ 71.909935][ T6854] kernfs_create_dir_ns+0x52/0xb0 [ 71.914927][ T6854] sysfs_create_dir_ns+0x8a/0x120 [ 71.919963][ T6854] kobject_add_internal+0x103/0x350 [ 71.925130][ T6854] kobject_add+0x9e/0xe0 [ 71.929340][ T6854] ? _raw_spin_unlock+0x1f/0x40 [ 71.934155][ T6854] ? get_device_parent.isra.0+0x108/0x240 [ 71.939840][ T6854] device_add+0x19d/0x890 [ 71.944136][ T6854] netdev_register_kobject+0xa6/0x1b0 [ 71.949482][ T6854] register_netdevice+0x397/0x610 [ 71.954476][ T6854] ipip6_tunnel_create+0x7c/0xd0 [ 71.959381][ T6854] ipip6_newlink+0xb1/0x170 [ 71.963872][ T6854] ? rtnl_create_link+0xb1/0x310 [ 71.968776][ T6854] ? ipip6_tunnel_locate+0x2f0/0x2f0 [ 71.974066][ T6854] __rtnl_newlink+0x892/0xb30 [ 71.978713][ T6854] ? tomoyo_merge_path_acl+0x39/0x60 [ 71.983998][ T6854] ? tomoyo_same_path_acl+0x60/0x60 [ 71.989163][ T6854] ? tomoyo_update_domain+0x9f/0x1f0 [ 71.994410][ T6854] ? debug_smp_processor_id+0x2c/0xd4 [ 71.999745][ T6854] ? rcu_is_watching+0x11/0x50 [ 72.004473][ T6854] ? call_rcu+0xb/0x10 [ 72.008507][ T6854] ? put_object+0x2a/0x40 [ 72.012800][ T6854] ? __delete_object+0x39/0x50 [ 72.017532][ T6854] ? delete_object_full+0x18/0x20 [ 72.022534][ T6854] ? bpf_prog_kallsyms_find+0x39/0x140 [ 72.027973][ T6854] ? __rtnl_newlink+0xb30/0xb30 [ 72.032788][ T6854] rtnl_newlink+0x4e/0x80 [ 72.037081][ T6854] rtnetlink_rcv_msg+0x178/0x4b0 [ 72.042016][ T6854] ? rtnl_calcit.isra.0+0x170/0x170 [ 72.047202][ T6854] netlink_rcv_skb+0x61/0x170 [ 72.051843][ T6854] rtnetlink_rcv+0x1d/0x30 [ 72.056226][ T6854] netlink_unicast+0x1ec/0x2d0 [ 72.060951][ T6854] netlink_sendmsg+0x270/0x480 [ 72.065680][ T6854] sock_sendmsg+0x54/0x70 [ 72.069973][ T6854] ___sys_sendmsg+0x393/0x3c0 [ 72.074613][ T6854] ? _parse_integer+0xbf/0xe0 [ 72.079265][ T6854] ? _kstrtoull+0x92/0xd0 [ 72.083559][ T6854] ? kstrtouint+0x76/0xa0 [ 72.087852][ T6854] ? kstrtouint_from_user+0x7f/0xb0 [ 72.093014][ T6854] ? __fget_light+0x70/0xb0 [ 72.097481][ T6854] ? __fdget+0x1b/0x20 [ 72.101515][ T6854] ? sockfd_lookup_light+0x6c/0xb0 [ 72.106591][ T6854] __sys_sendmsg+0x80/0xf0 [ 72.110973][ T6854] __x64_sys_sendmsg+0x23/0x30 [ 72.115710][ T6854] do_syscall_64+0x73/0x1f0 [ 72.120179][ T6854] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 72.126048][ T6854] RIP: 0033:0x441629 [ 72.129918][ T6854] 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 [ 72.149497][ T6854] RSP: 002b:00007ffdae946228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 72.157873][ T6854] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 72.165813][ T6854] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 72.173749][ T6854] RBP: 00007ffdae946240 R08: 0000000000000002 R09: 0000000000000000 [ 72.181686][ T6854] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 72.189632][ T6854] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 executing program [ 77.997771][ T6862] FAULT_INJECTION: forcing a failure. [ 77.997771][ T6862] name failslab, interval 1, probability 0, space 0, times 0 [ 78.010405][ T6862] CPU: 0 PID: 6862 Comm: syz-executor166 Not tainted 5.4.0-rc6+ #0 [ 78.018256][ T6862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.028280][ T6862] Call Trace: [ 78.031537][ T6862] dump_stack+0xbc/0xe6 [ 78.035658][ T6862] should_fail.cold+0x3c/0x49 [ 78.040299][ T6862] __should_failslab+0x65/0xa0 [ 78.045026][ T6862] should_failslab+0x9/0x14 [ 78.049493][ T6862] kmem_cache_alloc+0x26/0x2c0 [ 78.054337][ T6862] __kernfs_new_node+0x75/0x270 [ 78.059152][ T6862] ? make_kgid+0x23/0x30 [ 78.063359][ T6862] ? kernfs_next_descendant_post+0xf8/0x110 [ 78.069216][ T6862] ? map_id_range_down+0xb4/0x140 [ 78.074207][ T6862] kernfs_new_node+0x5e/0x90 [ 78.078773][ T6862] __kernfs_create_file+0x51/0x110 [ 78.083848][ T6862] sysfs_add_file_mode_ns+0xed/0x230 [ 78.089095][ T6862] sysfs_create_file_ns+0x78/0xc0 [ 78.094124][ T6862] device_create_file+0x5a/0xc0 [ 78.098939][ T6862] device_add+0x299/0x890 [ 78.103235][ T6862] netdev_register_kobject+0xa6/0x1b0 [ 78.108572][ T6862] register_netdevice+0x397/0x610 [ 78.113573][ T6862] ipip6_tunnel_create+0x7c/0xd0 [ 78.118477][ T6862] ipip6_newlink+0xb1/0x170 [ 78.122943][ T6862] ? rtnl_create_link+0xb1/0x310 [ 78.127849][ T6862] ? ipip6_tunnel_locate+0x2f0/0x2f0 [ 78.133099][ T6862] __rtnl_newlink+0x892/0xb30 [ 78.137743][ T6862] ? tomoyo_merge_path_acl+0x39/0x60 [ 78.142992][ T6862] ? tomoyo_same_path_acl+0x60/0x60 [ 78.148155][ T6862] ? tomoyo_update_domain+0x9f/0x1f0 [ 78.153404][ T6862] ? debug_smp_processor_id+0x2c/0xd4 [ 78.158752][ T6862] ? rcu_is_watching+0x11/0x50 [ 78.163482][ T6862] ? call_rcu+0xb/0x10 [ 78.167524][ T6862] ? put_object+0x2a/0x40 [ 78.171817][ T6862] ? __delete_object+0x39/0x50 [ 78.176544][ T6862] ? delete_object_full+0x18/0x20 [ 78.181533][ T6862] ? bpf_prog_kallsyms_find+0x39/0x140 [ 78.186958][ T6862] ? __rtnl_newlink+0xb30/0xb30 [ 78.191773][ T6862] rtnl_newlink+0x4e/0x80 [ 78.196067][ T6862] rtnetlink_rcv_msg+0x178/0x4b0 [ 78.200966][ T6862] ? rtnl_calcit.isra.0+0x170/0x170 [ 78.206127][ T6862] netlink_rcv_skb+0x61/0x170 [ 78.210768][ T6862] rtnetlink_rcv+0x1d/0x30 [ 78.215148][ T6862] netlink_unicast+0x1ec/0x2d0 [ 78.219875][ T6862] netlink_sendmsg+0x270/0x480 [ 78.224602][ T6862] sock_sendmsg+0x54/0x70 [ 78.228897][ T6862] ___sys_sendmsg+0x393/0x3c0 [ 78.233538][ T6862] ? _parse_integer+0xbf/0xe0 [ 78.238279][ T6862] ? _kstrtoull+0x92/0xd0 [ 78.242584][ T6862] ? kstrtouint+0x76/0xa0 [ 78.246882][ T6862] ? kstrtouint_from_user+0x7f/0xb0 [ 78.252051][ T6862] ? __fget_light+0x70/0xb0 [ 78.256521][ T6862] ? __fdget+0x1b/0x20 [ 78.260569][ T6862] ? sockfd_lookup_light+0x6c/0xb0 [ 78.265652][ T6862] __sys_sendmsg+0x80/0xf0 [ 78.270042][ T6862] __x64_sys_sendmsg+0x23/0x30 [ 78.274773][ T6862] do_syscall_64+0x73/0x1f0 [ 78.279256][ T6862] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 78.285114][ T6862] RIP: 0033:0x441629 [ 78.289008][ T6862] 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 [ 78.308586][ T6862] RSP: 002b:00007ffdae946228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 78.316966][ T6862] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 78.324904][ T6862] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 78.332842][ T6862] RBP: 00007ffdae946240 R08: 0000000000000002 R09: 0000000000000000 [ 78.340779][ T6862] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 78.348717][ T6862] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 executing program [ 84.131290][ T6867] FAULT_INJECTION: forcing a failure. [ 84.131290][ T6867] name failslab, interval 1, probability 0, space 0, times 0 [ 84.143933][ T6867] CPU: 1 PID: 6867 Comm: syz-executor166 Not tainted 5.4.0-rc6+ #0 [ 84.151788][ T6867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.161808][ T6867] Call Trace: [ 84.165066][ T6867] dump_stack+0xbc/0xe6 [ 84.169188][ T6867] should_fail.cold+0x3c/0x49 [ 84.173832][ T6867] __should_failslab+0x65/0xa0 [ 84.178561][ T6867] should_failslab+0x9/0x14 [ 84.183027][ T6867] kmem_cache_alloc+0x26/0x2c0 [ 84.187757][ T6867] __kernfs_new_node+0x75/0x270 [ 84.192608][ T6867] ? make_kgid+0x23/0x30 [ 84.196848][ T6867] ? kernfs_next_descendant_post+0xf8/0x110 [ 84.202709][ T6867] ? map_id_range_down+0xb4/0x140 [ 84.207707][ T6867] kernfs_new_node+0x5e/0x90 [ 84.212263][ T6867] __kernfs_create_file+0x51/0x110 [ 84.217338][ T6867] sysfs_add_file_mode_ns+0xed/0x230 [ 84.222599][ T6867] sysfs_create_file_ns+0x78/0xc0 [ 84.227590][ T6867] device_create_file+0x5a/0xc0 [ 84.232403][ T6867] device_add+0x299/0x890 [ 84.236839][ T6867] netdev_register_kobject+0xa6/0x1b0 [ 84.242178][ T6867] register_netdevice+0x397/0x610 [ 84.247169][ T6867] ipip6_tunnel_create+0x7c/0xd0 [ 84.252071][ T6867] ipip6_newlink+0xb1/0x170 [ 84.256541][ T6867] ? rtnl_create_link+0xb1/0x310 [ 84.261449][ T6867] ? ipip6_tunnel_locate+0x2f0/0x2f0 [ 84.266696][ T6867] __rtnl_newlink+0x892/0xb30 [ 84.271339][ T6867] ? tomoyo_merge_path_acl+0x39/0x60 [ 84.276587][ T6867] ? tomoyo_same_path_acl+0x60/0x60 [ 84.281748][ T6867] ? tomoyo_update_domain+0x9f/0x1f0 [ 84.287084][ T6867] ? debug_smp_processor_id+0x2c/0xd4 [ 84.292423][ T6867] ? rcu_is_watching+0x11/0x50 [ 84.297152][ T6867] ? call_rcu+0xb/0x10 [ 84.301186][ T6867] ? put_object+0x2a/0x40 [ 84.305484][ T6867] ? __delete_object+0x39/0x50 [ 84.310210][ T6867] ? delete_object_full+0x18/0x20 [ 84.315200][ T6867] ? bpf_prog_kallsyms_find+0x39/0x140 [ 84.320630][ T6867] ? __rtnl_newlink+0xb30/0xb30 [ 84.325445][ T6867] rtnl_newlink+0x4e/0x80 [ 84.329743][ T6867] rtnetlink_rcv_msg+0x178/0x4b0 [ 84.334644][ T6867] ? rtnl_calcit.isra.0+0x170/0x170 [ 84.339806][ T6867] netlink_rcv_skb+0x61/0x170 [ 84.344449][ T6867] rtnetlink_rcv+0x1d/0x30 [ 84.348841][ T6867] netlink_unicast+0x1ec/0x2d0 [ 84.353575][ T6867] netlink_sendmsg+0x270/0x480 [ 84.358306][ T6867] sock_sendmsg+0x54/0x70 [ 84.362603][ T6867] ___sys_sendmsg+0x393/0x3c0 [ 84.367246][ T6867] ? _parse_integer+0xbf/0xe0 [ 84.371887][ T6867] ? _kstrtoull+0x92/0xd0 [ 84.376179][ T6867] ? kstrtouint+0x76/0xa0 [ 84.380475][ T6867] ? kstrtouint_from_user+0x7f/0xb0 [ 84.385636][ T6867] ? __fget_light+0x70/0xb0 [ 84.390104][ T6867] ? __fdget+0x1b/0x20 [ 84.394139][ T6867] ? sockfd_lookup_light+0x6c/0xb0 [ 84.399213][ T6867] __sys_sendmsg+0x80/0xf0 [ 84.403606][ T6867] __x64_sys_sendmsg+0x23/0x30 [ 84.408338][ T6867] do_syscall_64+0x73/0x1f0 [ 84.412810][ T6867] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 84.418664][ T6867] RIP: 0033:0x441629 [ 84.422525][ T6867] 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 [ 84.442093][ T6867] RSP: 002b:00007ffdae946228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 84.450466][ T6867] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441629 [ 84.458405][ T6867] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 84.466342][ T6867] RBP: 00007ffdae946240 R08: 0000000000000002 R09: 0000000000000000 [ 84.474279][ T6867] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 84.482216][ T6867] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 90.165174][ T6853] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff8881178734e0 (size 32): comm "syz-executor166", pid 6862, jiffies 4294945074 (age 14.130s) hex dump (first 32 bytes): 73 69 74 32 00 74 61 73 6b 2f 36 38 36 32 00 00 sit2.task/6862.. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000484b95d9>] __kmalloc_track_caller+0x165/0x300 [<00000000722b5ab2>] kstrdup+0x3a/0x70 [<000000001b7f8d6a>] kstrdup_const+0x48/0x60 [<0000000094c4e099>] kvasprintf_const+0x7e/0xe0 [<000000000cf6dd52>] kobject_set_name_vargs+0x40/0xe0 [<00000000bfb8d07f>] dev_set_name+0x63/0x90 [<00000000f4544839>] netdev_register_kobject+0x5a/0x1b0 [<000000006fccf9b4>] register_netdevice+0x397/0x610 [<00000000bf4cb500>] ipip6_tunnel_create+0x7c/0xd0 [<00000000220b6f88>] ipip6_newlink+0xb1/0x170 [<000000008c6514ed>] __rtnl_newlink+0x892/0xb30 [<0000000057aefa55>] rtnl_newlink+0x4e/0x80 [<00000000203351f7>] rtnetlink_rcv_msg+0x178/0x4b0 [<00000000a5312f64>] netlink_rcv_skb+0x61/0x170 [<0000000026ba79dd>] rtnetlink_rcv+0x1d/0x30 [<000000009bf05c0a>] netlink_unicast+0x1ec/0x2d0