[....] 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. [ 25.036991][ T24] audit: type=1800 audit(1564614200.493:33): pid=6850 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 [ 25.059294][ T24] audit: type=1800 audit(1564614200.493:34): pid=6850 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: [ 26.828058][ T24] audit: type=1400 audit(1564614202.283:35): avc: denied { map } for pid=7028 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 '10.128.0.136' (ECDSA) to the list of known hosts. [ 47.935014][ T24] audit: type=1400 audit(1564614223.393:36): avc: denied { map } for pid=7044 comm="syz-executor089" path="/root/syz-executor089301000" dev="sda1" ino=16482 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 [ 54.773618][ T7045] FAULT_INJECTION: forcing a failure. [ 54.773618][ T7045] name failslab, interval 1, probability 0, space 0, times 1 [ 54.790383][ T7045] CPU: 1 PID: 7045 Comm: syz-executor089 Not tainted 5.3.0-rc2+ #93 [ 54.800863][ T7045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.813543][ T7045] Call Trace: [ 54.817479][ T7045] dump_stack+0xaa/0xd6 [ 54.822349][ T7045] should_fail.cold+0x3c/0x49 [ 54.827914][ T7045] __should_failslab+0x65/0xa0 [ 54.833856][ T7045] should_failslab+0x9/0x14 [ 54.838728][ T7045] __kmalloc_track_caller+0x50/0x300 [ 54.845406][ T7045] ? kstrdup_const+0x48/0x60 [ 54.851021][ T7045] kstrdup+0x3a/0x70 [ 54.855451][ T7045] kstrdup_const+0x48/0x60 [ 54.860192][ T7045] __kernfs_new_node+0x53/0x270 [ 54.866377][ T7045] ? map_id_range_down+0xb4/0x140 [ 54.872401][ T7045] ? make_kgid+0x23/0x30 [ 54.877741][ T7045] kernfs_new_node+0x5e/0x90 [ 54.883033][ T7045] kernfs_create_dir_ns+0x52/0xb0 [ 54.889151][ T7045] sysfs_create_dir_ns+0x8a/0x110 [ 54.895570][ T7045] kobject_add_internal+0x103/0x350 [ 54.901788][ T7045] ? _raw_write_unlock_irqrestore+0x25/0x40 [ 54.909022][ T7045] kobject_add+0x9e/0xe0 [ 54.915524][ T7045] ? _raw_spin_unlock+0x1f/0x40 [ 54.922107][ T7045] ? get_device_parent.isra.0+0x108/0x240 [ 54.934868][ T7045] device_add+0x19d/0x890 [ 54.940652][ T7045] netdev_register_kobject+0xa6/0x1b0 [ 54.947591][ T7045] register_netdevice+0x397/0x600 [ 54.954700][ T7045] ip6gre_newlink_common.isra.0+0x73/0x150 [ 54.962519][ T7045] ip6gre_newlink+0x8c/0x150 [ 54.967977][ T7045] ? ip6erspan_newlink+0x160/0x160 [ 54.974113][ T7045] __rtnl_newlink+0x892/0xb30 [ 54.980183][ T7045] ? is_bpf_text_address+0x24/0x30 [ 54.986453][ T7045] ? tomoyo_merge_path_acl+0x39/0x60 [ 54.992692][ T7045] ? tomoyo_same_path_acl+0x60/0x60 [ 55.002945][ T7045] ? debug_smp_processor_id+0x2c/0xd4 [ 55.009891][ T7045] ? rcu_is_watching+0x11/0x50 [ 55.015103][ T7045] ? call_rcu+0xb/0x10 [ 55.020192][ T7045] ? put_object+0x28/0x30 [ 55.025170][ T7045] ? __delete_object+0x41/0x50 [ 55.032115][ T7045] ? delete_object_full+0x18/0x20 [ 55.039210][ T7045] ? bpf_prog_kallsyms_find+0x39/0x140 [ 55.046351][ T7045] ? __rtnl_newlink+0xb30/0xb30 [ 55.052965][ T7045] rtnl_newlink+0x4e/0x80 [ 55.057947][ T7045] rtnetlink_rcv_msg+0x178/0x4b0 [ 55.064104][ T7045] ? netlink_compare+0x44/0x50 [ 55.070482][ T7045] ? rtnl_calcit.isra.0+0x170/0x170 [ 55.076080][ T7045] netlink_rcv_skb+0x61/0x170 [ 55.081403][ T7045] rtnetlink_rcv+0x1d/0x30 [ 55.086890][ T7045] netlink_unicast+0x1ec/0x2d0 [ 55.092920][ T7045] netlink_sendmsg+0x270/0x480 [ 55.099147][ T7045] sock_sendmsg+0x54/0x70 [ 55.104416][ T7045] ___sys_sendmsg+0x393/0x3c0 [ 55.111563][ T7045] ? _parse_integer+0xbf/0xe0 [ 55.117451][ T7045] ? _kstrtoull+0x92/0xd0 [ 55.122188][ T7045] ? kstrtouint+0x76/0xa0 [ 55.129384][ T7045] ? kstrtouint_from_user+0x7f/0xb0 [ 55.136563][ T7045] ? selinux_file_permission+0x30/0x1f0 [ 55.145136][ T7045] ? __fget_light+0x70/0xb0 [ 55.150643][ T7045] ? __fdget+0x1b/0x20 [ 55.155424][ T7045] ? sockfd_lookup_light+0x6c/0xb0 [ 55.167631][ T7045] __sys_sendmsg+0x80/0xf0 [ 55.178314][ T7045] __x64_sys_sendmsg+0x23/0x30 [ 55.185115][ T7045] do_syscall_64+0x76/0x1a0 [ 55.193526][ T7045] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.205774][ T7045] RIP: 0033:0x4414d9 [ 55.211971][ T7045] 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 [ 55.250936][ T7045] RSP: 002b:00007ffe0ddd6868 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 55.262630][ T7045] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004414d9 [ 55.273359][ T7045] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 55.284966][ T7045] RBP: 00007ffe0ddd6880 R08: 0000000000000002 R09: 0000000000000000 [ 55.295196][ T7045] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 55.306239][ T7045] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 55.319132][ T7045] kobject_add_internal failed for ªªªªªª (error: -12 parent: net) executing program [ 60.456779][ T7046] FAULT_INJECTION: forcing a failure. [ 60.456779][ T7046] name failslab, interval 1, probability 0, space 0, times 0 [ 60.474266][ T7046] CPU: 0 PID: 7046 Comm: syz-executor089 Not tainted 5.3.0-rc2+ #93 [ 60.482983][ T7046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.493390][ T7046] Call Trace: [ 60.496659][ T7046] dump_stack+0xaa/0xd6 [ 60.501485][ T7046] should_fail.cold+0x3c/0x49 [ 60.506357][ T7046] __should_failslab+0x65/0xa0 [ 60.511097][ T7046] should_failslab+0x9/0x14 [ 60.515794][ T7046] __kmalloc_track_caller+0x50/0x300 [ 60.521256][ T7046] ? kstrdup_const+0x48/0x60 [ 60.525916][ T7046] kstrdup+0x3a/0x70 [ 60.529987][ T7046] kstrdup_const+0x48/0x60 [ 60.534465][ T7046] __kernfs_new_node+0x53/0x270 [ 60.539292][ T7046] ? map_id_range_down+0xb4/0x140 [ 60.544387][ T7046] ? make_kgid+0x23/0x30 [ 60.549150][ T7046] kernfs_new_node+0x5e/0x90 [ 60.553717][ T7046] kernfs_create_dir_ns+0x52/0xb0 [ 60.558724][ T7046] sysfs_create_dir_ns+0x8a/0x110 [ 60.563861][ T7046] kobject_add_internal+0x103/0x350 [ 60.569042][ T7046] ? _raw_write_unlock_irqrestore+0x25/0x40 [ 60.575128][ T7046] kobject_add+0x9e/0xe0 [ 60.580050][ T7046] ? _raw_spin_unlock+0x1f/0x40 [ 60.585162][ T7046] ? get_device_parent.isra.0+0x108/0x240 [ 60.590858][ T7046] device_add+0x19d/0x890 [ 60.595177][ T7046] netdev_register_kobject+0xa6/0x1b0 [ 60.600622][ T7046] register_netdevice+0x397/0x600 [ 60.605672][ T7046] ip6gre_newlink_common.isra.0+0x73/0x150 [ 60.611498][ T7046] ip6gre_newlink+0x8c/0x150 [ 60.616170][ T7046] ? ip6erspan_newlink+0x160/0x160 [ 60.621420][ T7046] __rtnl_newlink+0x892/0xb30 [ 60.627446][ T7046] ? is_bpf_text_address+0x24/0x30 [ 60.632633][ T7046] ? tomoyo_merge_path_acl+0x39/0x60 [ 60.638336][ T7046] ? tomoyo_same_path_acl+0x60/0x60 [ 60.643563][ T7046] ? debug_smp_processor_id+0x2c/0xd4 [ 60.648923][ T7046] ? rcu_is_watching+0x11/0x50 [ 60.653702][ T7046] ? call_rcu+0xb/0x10 [ 60.657765][ T7046] ? put_object+0x28/0x30 [ 60.662286][ T7046] ? __delete_object+0x41/0x50 [ 60.667143][ T7046] ? delete_object_full+0x18/0x20 [ 60.672235][ T7046] ? bpf_prog_kallsyms_find+0x39/0x140 [ 60.677895][ T7046] ? __rtnl_newlink+0xb30/0xb30 [ 60.682772][ T7046] rtnl_newlink+0x4e/0x80 [ 60.687220][ T7046] rtnetlink_rcv_msg+0x178/0x4b0 [ 60.692203][ T7046] ? netlink_compare+0x44/0x50 [ 60.696957][ T7046] ? rtnl_calcit.isra.0+0x170/0x170 [ 60.702258][ T7046] netlink_rcv_skb+0x61/0x170 [ 60.706917][ T7046] rtnetlink_rcv+0x1d/0x30 [ 60.712009][ T7046] netlink_unicast+0x1ec/0x2d0 [ 60.716815][ T7046] netlink_sendmsg+0x270/0x480 [ 60.725292][ T7046] sock_sendmsg+0x54/0x70 [ 60.729797][ T7046] ___sys_sendmsg+0x393/0x3c0 [ 60.734511][ T7046] ? _parse_integer+0xbf/0xe0 [ 60.739173][ T7046] ? _kstrtoull+0x92/0xd0 [ 60.743583][ T7046] ? kstrtouint+0x76/0xa0 [ 60.747885][ T7046] ? kstrtouint_from_user+0x7f/0xb0 [ 60.753061][ T7046] ? selinux_file_permission+0x30/0x1f0 [ 60.758587][ T7046] ? __fget_light+0x70/0xb0 [ 60.763318][ T7046] ? __fdget+0x1b/0x20 [ 60.767603][ T7046] ? sockfd_lookup_light+0x6c/0xb0 [ 60.772824][ T7046] __sys_sendmsg+0x80/0xf0 [ 60.777353][ T7046] __x64_sys_sendmsg+0x23/0x30 [ 60.782164][ T7046] do_syscall_64+0x76/0x1a0 [ 60.786655][ T7046] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.792638][ T7046] RIP: 0033:0x4414d9 [ 60.796512][ T7046] 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 [ 60.816205][ T7046] RSP: 002b:00007ffe0ddd6868 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 60.824603][ T7046] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004414d9 [ 60.832620][ T7046] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 60.840928][ T7046] RBP: 00007ffe0ddd6880 R08: 0000000000000002 R09: 0000000000000000 [ 60.848915][ T7046] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 60.857224][ T7046] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 60.865538][ T7046] kobject_add_internal failed for ªªªªªª (error: -12 parent: net) executing program [ 66.833356][ T7047] FAULT_INJECTION: forcing a failure. [ 66.833356][ T7047] name failslab, interval 1, probability 0, space 0, times 0 [ 66.846480][ T7047] CPU: 0 PID: 7047 Comm: syz-executor089 Not tainted 5.3.0-rc2+ #93 [ 66.854452][ T7047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.864835][ T7047] Call Trace: [ 66.868102][ T7047] dump_stack+0xaa/0xd6 [ 66.872260][ T7047] should_fail.cold+0x3c/0x49 [ 66.876919][ T7047] __should_failslab+0x65/0xa0 [ 66.881659][ T7047] should_failslab+0x9/0x14 [ 66.886216][ T7047] __kmalloc_track_caller+0x50/0x300 [ 66.891483][ T7047] ? kstrdup_const+0x48/0x60 [ 66.896053][ T7047] kstrdup+0x3a/0x70 [ 66.899935][ T7047] kstrdup_const+0x48/0x60 [ 66.904327][ T7047] __kernfs_new_node+0x53/0x270 [ 66.909158][ T7047] ? map_id_range_down+0xb4/0x140 [ 66.914168][ T7047] ? make_kgid+0x23/0x30 [ 66.918407][ T7047] kernfs_new_node+0x5e/0x90 [ 66.922976][ T7047] kernfs_create_dir_ns+0x52/0xb0 [ 66.927987][ T7047] sysfs_create_dir_ns+0x8a/0x110 [ 66.933009][ T7047] kobject_add_internal+0x103/0x350 [ 66.938198][ T7047] ? _raw_write_unlock_irqrestore+0x25/0x40 [ 66.944074][ T7047] kobject_add+0x9e/0xe0 [ 66.948315][ T7047] ? _raw_spin_unlock+0x1f/0x40 [ 66.953143][ T7047] ? get_device_parent.isra.0+0x108/0x240 [ 66.958859][ T7047] device_add+0x19d/0x890 [ 66.963184][ T7047] netdev_register_kobject+0xa6/0x1b0 [ 66.968548][ T7047] register_netdevice+0x397/0x600 [ 66.973552][ T7047] ip6gre_newlink_common.isra.0+0x73/0x150 [ 66.979339][ T7047] ip6gre_newlink+0x8c/0x150 [ 66.983904][ T7047] ? ip6erspan_newlink+0x160/0x160 [ 66.988990][ T7047] __rtnl_newlink+0x892/0xb30 [ 66.993640][ T7047] ? is_bpf_text_address+0x24/0x30 [ 66.999000][ T7047] ? tomoyo_merge_path_acl+0x39/0x60 [ 67.004263][ T7047] ? tomoyo_same_path_acl+0x60/0x60 [ 67.009458][ T7047] ? debug_smp_processor_id+0x2c/0xd4 [ 67.014894][ T7047] ? rcu_is_watching+0x11/0x50 [ 67.019637][ T7047] ? call_rcu+0xb/0x10 [ 67.023684][ T7047] ? put_object+0x28/0x30 [ 67.027998][ T7047] ? __delete_object+0x41/0x50 [ 67.032761][ T7047] ? delete_object_full+0x18/0x20 [ 67.037761][ T7047] ? bpf_prog_kallsyms_find+0x39/0x140 [ 67.043201][ T7047] ? __rtnl_newlink+0xb30/0xb30 [ 67.048028][ T7047] rtnl_newlink+0x4e/0x80 [ 67.052534][ T7047] rtnetlink_rcv_msg+0x178/0x4b0 [ 67.057478][ T7047] ? netlink_compare+0x44/0x50 [ 67.062221][ T7047] ? rtnl_calcit.isra.0+0x170/0x170 [ 67.067397][ T7047] netlink_rcv_skb+0x61/0x170 [ 67.072158][ T7047] rtnetlink_rcv+0x1d/0x30 [ 67.076566][ T7047] netlink_unicast+0x1ec/0x2d0 [ 67.081307][ T7047] netlink_sendmsg+0x270/0x480 [ 67.086047][ T7047] sock_sendmsg+0x54/0x70 [ 67.090378][ T7047] ___sys_sendmsg+0x393/0x3c0 [ 67.095030][ T7047] ? _parse_integer+0xbf/0xe0 [ 67.099680][ T7047] ? _kstrtoull+0x92/0xd0 [ 67.103980][ T7047] ? kstrtouint+0x76/0xa0 [ 67.108291][ T7047] ? kstrtouint_from_user+0x7f/0xb0 [ 67.113471][ T7047] ? selinux_file_permission+0x30/0x1f0 [ 67.118992][ T7047] ? __fget_light+0x70/0xb0 [ 67.123490][ T7047] ? __fdget+0x1b/0x20 [ 67.127638][ T7047] ? sockfd_lookup_light+0x6c/0xb0 [ 67.132726][ T7047] __sys_sendmsg+0x80/0xf0 [ 67.137113][ T7047] __x64_sys_sendmsg+0x23/0x30 [ 67.142791][ T7047] do_syscall_64+0x76/0x1a0 [ 67.147377][ T7047] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 67.153241][ T7047] RIP: 0033:0x4414d9 [ 67.157111][ T7047] 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 [ 67.176880][ T7047] RSP: 002b:00007ffe0ddd6868 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 67.185277][ T7047] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004414d9 [ 67.193329][ T7047] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 67.201278][ T7047] RBP: 00007ffe0ddd6880 R08: 0000000000000002 R09: 0000000000000000 [ 67.209231][ T7047] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 67.217199][ T7047] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 67.225277][ T7047] kobject_add_internal failed for ªªªªªª (error: -12 parent: net) [ 72.952713][ T7044] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88811d6fb4c0 (size 32): comm "syz-executor089", pid 7047, jiffies 4294943954 (age 8.100s) hex dump (first 32 bytes): aa aa aa aa aa aa 00 73 6b 2f 37 30 34 37 00 70 .......sk/7047.p 65 3a 5b 32 36 34 39 37 5d 00 00 00 00 00 00 00 e:[26497]....... backtrace: [<00000000c31eaa25>] __kmalloc_track_caller+0x165/0x300 [<000000007e4e177f>] kstrdup+0x3a/0x70 [<00000000878f72b7>] kstrdup_const+0x48/0x60 [<0000000076ec5016>] kvasprintf_const+0x7e/0xe0 [<00000000b26c6f10>] kobject_set_name_vargs+0x40/0xe0 [<000000009e5e0bc6>] dev_set_name+0x63/0x90 [<00000000418678d3>] netdev_register_kobject+0x5a/0x1b0 [<00000000b9cbf8de>] register_netdevice+0x397/0x600 [<00000000c2757042>] ip6gre_newlink_common.isra.0+0x73/0x150 [<00000000c6774891>] ip6gre_newlink+0x8c/0x150 [<000000000f2c8d46>] __rtnl_newlink+0x892/0xb30 [<00000000bcfc01a8>] rtnl_newlink+0x4e/0x80 [<0000000073d7145e>] rtnetlink_rcv_msg+0x178/0x4b0 [<00000000f6883ac5>] netlink_rcv_skb+0x61/0x170 [<0000000017f5a691>] rtnetlink_rcv+0x1d/0x30 [<000000004fe2dc75>] netlink_unicast+0x1ec/0x2d0