[ 26.343444][ T25] audit: type=1400 audit(1571472639.542:38): avc: denied { watch } for pid=6954 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 [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 26.421853][ T25] audit: type=1800 audit(1571472639.632:39): pid=6866 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 [ 26.445077][ T25] audit: type=1800 audit(1571472639.632:40): pid=6866 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 [ 27.301296][ T25] audit: type=1400 audit(1571472640.512:41): avc: denied { map } for pid=7036 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 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.9' (ECDSA) to the list of known hosts. syzkaller login: [ 33.329068][ T25] audit: type=1400 audit(1571472646.542:42): avc: denied { map } for pid=7050 comm="syz-executor069" path="/root/syz-executor069774261" dev="sda1" ino=16483 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 [ 40.306639][ T7053] netlink: 'syz-executor069': attribute type 25 has an invalid length. [ 40.315335][ T7053] FAULT_INJECTION: forcing a failure. [ 40.315335][ T7053] name failslab, interval 1, probability 0, space 0, times 1 [ 40.328321][ T7053] CPU: 0 PID: 7053 Comm: syz-executor069 Not tainted 5.4.0-rc3+ #0 [ 40.336806][ T7053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.347027][ T7053] Call Trace: [ 40.350388][ T7053] dump_stack+0xaa/0xd6 [ 40.355410][ T7053] should_fail.cold+0x3c/0x49 [ 40.360119][ T7053] __should_failslab+0x65/0xa0 [ 40.365179][ T7053] should_failslab+0x9/0x14 [ 40.369660][ T7053] kmem_cache_alloc+0x26/0x2c0 [ 40.374579][ T7053] ? kstrdup+0x5a/0x70 [ 40.378721][ T7053] __kernfs_new_node+0x75/0x270 [ 40.383566][ T7053] ? map_id_range_down+0xb4/0x140 [ 40.388568][ T7053] ? make_kgid+0x23/0x30 [ 40.393044][ T7053] kernfs_new_node+0x5e/0x90 [ 40.397654][ T7053] kernfs_create_dir_ns+0x52/0xb0 [ 40.404352][ T7053] sysfs_create_dir_ns+0x8a/0x120 [ 40.409553][ T7053] kobject_add_internal+0x103/0x350 [ 40.414739][ T7053] kobject_add+0x9e/0xe0 [ 40.420614][ T7053] ? _raw_spin_unlock+0x1f/0x40 [ 40.425710][ T7053] ? get_device_parent.isra.0+0x108/0x240 [ 40.431416][ T7053] device_add+0x19d/0x890 [ 40.435987][ T7053] netdev_register_kobject+0xa6/0x1b0 [ 40.441677][ T7053] register_netdevice+0x397/0x610 [ 40.447119][ T7053] ? br_netpoll_disable+0x40/0x40 [ 40.452249][ T7053] br_dev_newlink+0x26/0xb0 [ 40.456982][ T7053] ? br_afspec+0x2f0/0x2f0 [ 40.461368][ T7053] __rtnl_newlink+0x892/0xb30 [ 40.466017][ T7053] ? tomoyo_merge_path_acl+0x39/0x60 [ 40.471271][ T7053] ? tomoyo_same_path_acl+0x60/0x60 [ 40.476621][ T7053] ? tomoyo_update_domain+0x9f/0x1f0 [ 40.481964][ T7053] ? debug_smp_processor_id+0x2c/0xd4 [ 40.487320][ T7053] ? rcu_is_watching+0x11/0x50 [ 40.492068][ T7053] ? call_rcu+0xb/0x10 [ 40.496124][ T7053] ? put_object+0x2a/0x40 [ 40.500526][ T7053] ? __delete_object+0x39/0x50 [ 40.505267][ T7053] ? delete_object_full+0x18/0x20 [ 40.510266][ T7053] ? bpf_prog_kallsyms_find+0x39/0x140 [ 40.515695][ T7053] ? __rtnl_newlink+0xb30/0xb30 [ 40.520514][ T7053] rtnl_newlink+0x4e/0x80 [ 40.524814][ T7053] rtnetlink_rcv_msg+0x178/0x4b0 [ 40.529737][ T7053] ? rtnl_calcit.isra.0+0x170/0x170 [ 40.534903][ T7053] netlink_rcv_skb+0x61/0x170 [ 40.539562][ T7053] rtnetlink_rcv+0x1d/0x30 [ 40.543943][ T7053] netlink_unicast+0x1ec/0x2d0 [ 40.548686][ T7053] netlink_sendmsg+0x270/0x480 [ 40.553422][ T7053] sock_sendmsg+0x54/0x70 [ 40.557746][ T7053] ___sys_sendmsg+0x393/0x3c0 [ 40.562391][ T7053] ? _parse_integer+0xbf/0xe0 [ 40.567036][ T7053] ? _kstrtoull+0x92/0xd0 [ 40.571335][ T7053] ? kstrtouint+0x76/0xa0 [ 40.575643][ T7053] ? kstrtouint_from_user+0x7f/0xb0 [ 40.580813][ T7053] ? __fget_light+0x70/0xb0 [ 40.585288][ T7053] ? __fdget+0x1b/0x20 [ 40.589477][ T7053] ? sockfd_lookup_light+0x6c/0xb0 [ 40.594580][ T7053] __sys_sendmsg+0x80/0xf0 [ 40.598967][ T7053] __x64_sys_sendmsg+0x23/0x30 [ 40.603703][ T7053] do_syscall_64+0x73/0x1f0 [ 40.608304][ T7053] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.614164][ T7053] RIP: 0033:0x441549 [ 40.618038][ T7053] 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 [ 40.637697][ T7053] RSP: 002b:00007ffd485f8b58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 40.646085][ T7053] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441549 [ 40.654038][ T7053] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 [ 40.661978][ T7053] RBP: 00007ffd485f8b70 R08: 0000000000000002 R09: 0000000000000000 [ 40.669917][ T7053] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 40.677852][ T7053] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 40.685901][ T7053] kobject_add_internal failed for bridge0 (error: -12 parent: net) [ 46.564925][ T7050] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) executing program [ 48.640752][ T7054] netlink: 'syz-executor069': attribute type 25 has an invalid length. [ 48.649283][ T7054] FAULT_INJECTION: forcing a failure. [ 48.649283][ T7054] name failslab, interval 1, probability 0, space 0, times 0 [ 48.662025][ T7054] CPU: 1 PID: 7054 Comm: syz-executor069 Not tainted 5.4.0-rc3+ #0 [ 48.670046][ T7054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.680073][ T7054] Call Trace: [ 48.683335][ T7054] dump_stack+0xaa/0xd6 [ 48.687465][ T7054] should_fail.cold+0x3c/0x49 [ 48.692140][ T7054] __should_failslab+0x65/0xa0 [ 48.696927][ T7054] should_failslab+0x9/0x14 [ 48.701402][ T7054] kmem_cache_alloc+0x26/0x2c0 [ 48.706141][ T7054] ? preempt_count_add+0x6f/0xb0 [ 48.711065][ T7054] create_object+0x3d/0x360 [ 48.715566][ T7054] kmemleak_alloc+0x21/0x30 [ 48.720186][ T7054] kmem_cache_alloc+0x13f/0x2c0 [ 48.725022][ T7054] __kernfs_new_node+0x75/0x270 [ 48.729869][ T7054] ? map_id_range_down+0xb4/0x140 [ 48.734972][ T7054] ? make_kgid+0x23/0x30 [ 48.739187][ T7054] kernfs_new_node+0x5e/0x90 [ 48.743759][ T7054] kernfs_create_dir_ns+0x52/0xb0 [ 48.748749][ T7054] sysfs_create_dir_ns+0x8a/0x120 [ 48.753743][ T7054] kobject_add_internal+0x103/0x350 [ 48.758929][ T7054] kobject_add+0x9e/0xe0 [ 48.763141][ T7054] ? _raw_spin_unlock+0x1f/0x40 [ 48.768340][ T7054] ? get_device_parent.isra.0+0x108/0x240 [ 48.774058][ T7054] device_add+0x19d/0x890 [ 48.778448][ T7054] netdev_register_kobject+0xa6/0x1b0 [ 48.783801][ T7054] register_netdevice+0x397/0x610 [ 48.788796][ T7054] ? br_netpoll_disable+0x40/0x40 [ 48.793788][ T7054] br_dev_newlink+0x26/0xb0 [ 48.798256][ T7054] ? br_afspec+0x2f0/0x2f0 [ 48.802644][ T7054] __rtnl_newlink+0x892/0xb30 [ 48.807291][ T7054] ? tomoyo_merge_path_acl+0x39/0x60 [ 48.812542][ T7054] ? tomoyo_same_path_acl+0x60/0x60 [ 48.817706][ T7054] ? tomoyo_update_domain+0x9f/0x1f0 [ 48.822963][ T7054] ? debug_smp_processor_id+0x2c/0xd4 [ 48.828350][ T7054] ? rcu_is_watching+0x11/0x50 [ 48.833171][ T7054] ? call_rcu+0xb/0x10 [ 48.837224][ T7054] ? put_object+0x2a/0x40 [ 48.841525][ T7054] ? __delete_object+0x39/0x50 [ 48.846260][ T7054] ? delete_object_full+0x18/0x20 [ 48.851258][ T7054] ? bpf_prog_kallsyms_find+0x39/0x140 [ 48.856866][ T7054] ? __rtnl_newlink+0xb30/0xb30 [ 48.861693][ T7054] rtnl_newlink+0x4e/0x80 [ 48.866013][ T7054] rtnetlink_rcv_msg+0x178/0x4b0 [ 48.870932][ T7054] ? rtnl_calcit.isra.0+0x170/0x170 [ 48.876117][ T7054] netlink_rcv_skb+0x61/0x170 [ 48.880889][ T7054] rtnetlink_rcv+0x1d/0x30 [ 48.885321][ T7054] netlink_unicast+0x1ec/0x2d0 [ 48.890054][ T7054] netlink_sendmsg+0x270/0x480 [ 48.894826][ T7054] sock_sendmsg+0x54/0x70 [ 48.899124][ T7054] ___sys_sendmsg+0x393/0x3c0 [ 48.903776][ T7054] ? _parse_integer+0xbf/0xe0 [ 48.908514][ T7054] ? _kstrtoull+0x92/0xd0 [ 48.912897][ T7054] ? kstrtouint+0x76/0xa0 [ 48.917192][ T7054] ? kstrtouint_from_user+0x7f/0xb0 [ 48.922375][ T7054] ? __fget_light+0x70/0xb0 [ 48.926844][ T7054] ? __fdget+0x1b/0x20 [ 48.930893][ T7054] ? sockfd_lookup_light+0x6c/0xb0 [ 48.935969][ T7054] __sys_sendmsg+0x80/0xf0 [ 48.940376][ T7054] __x64_sys_sendmsg+0x23/0x30 [ 48.945120][ T7054] do_syscall_64+0x73/0x1f0 [ 48.949609][ T7054] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.955477][ T7054] RIP: 0033:0x441549 [ 48.959385][ T7054] 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 [ 48.978963][ T7054] RSP: 002b:00007ffd485f8b58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 48.987385][ T7054] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441549 [ 48.995361][ T7054] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 [ 49.003656][ T7054] RBP: 00007ffd485f8b70 R08: 0000000000000002 R09: 0000000000000000 [ 49.011600][ T7054] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 49.019553][ T7054] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 BUG: memory leak unreferenced object 0xffff88811a6ec8e0 (size 32): comm "syz-executor069", pid 7053, jiffies 4294941299 (age 16.040s) hex dump (first 32 bytes): 62 72 69 64 67 65 30 00 6b 2f 37 30 35 33 00 78 bridge0.k/7053.x 00 0e 4a 81 ff ff ff ff 30 6a 53 81 ff ff ff ff ..J.....0jS..... backtrace: [<000000006f9a3f8b>] __kmalloc_track_caller+0x165/0x300 [<00000000b7c69376>] kstrdup+0x3a/0x70 [<00000000a09d9ef0>] kstrdup_const+0x48/0x60 [<000000009d9c1441>] kvasprintf_const+0x7e/0xe0 [<0000000025d9a771>] kobject_set_name_vargs+0x40/0xe0 [<00000000bc0dddf5>] dev_set_name+0x63/0x90 [<000000006d31247b>] netdev_register_kobject+0x5a/0x1b0 [<000000008baeac44>] register_netdevice+0x397/0x610 [<00000000734cf221>] br_dev_newlink+0x26/0xb0 [<00000000f102bb07>] __rtnl_newlink+0x892/0xb30 [<0000000059f95aa5>] rtnl_newlink+0x4e/0x80 [<000000002cf3f191>] rtnetlink_rcv_msg+0x178/0x4b0 [<00000000906842b6>] netlink_rcv_skb+0x61/0x170 [<000000004b687829>] rtnetlink_rcv+0x1d/0x30 [<00000000996fe1b1>] netlink_unicast+0x1ec/0x2d0 [<000000007ec6cfa2>] netlink_sendmsg+0x270/0x480