[....] 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. [ 25.360259][ T23] kauditd_printk_skb: 18 callbacks suppressed [ 25.360266][ T23] audit: type=1400 audit(1563709089.667:35): avc: denied { map } for pid=7046 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 '10.128.10.43' (ECDSA) to the list of known hosts. syzkaller login: [ 31.168205][ T23] audit: type=1400 audit(1563709095.477:36): avc: denied { map } for pid=7060 comm="syz-executor284" path="/root/syz-executor284443026" 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 [ 37.810938][ T7060] FAULT_INJECTION: forcing a failure. [ 37.810938][ T7060] name failslab, interval 1, probability 0, space 0, times 1 [ 37.823920][ T7060] CPU: 0 PID: 7060 Comm: syz-executor284 Not tainted 5.2.0+ #73 [ 37.831565][ T7060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.841612][ T7060] Call Trace: [ 37.844886][ T7060] dump_stack+0xaa/0xd6 [ 37.849026][ T7060] should_fail.cold+0x3c/0x49 [ 37.853712][ T7060] __should_failslab+0x65/0xa0 [ 37.858460][ T7060] should_failslab+0x9/0x14 [ 37.863034][ T7060] __kmalloc_track_caller+0x50/0x2d0 [ 37.868302][ T7060] ? kvasprintf_const+0x96/0xe0 [ 37.873136][ T7060] kvasprintf+0x6d/0xe0 [ 37.877495][ T7060] kvasprintf_const+0x96/0xe0 [ 37.882157][ T7060] kobject_set_name_vargs+0x40/0xe0 [ 37.887369][ T7060] kobject_init_and_add+0x6d/0xc0 [ 37.892375][ T7060] net_rx_queue_update_kobjects+0xd7/0x1c0 [ 37.898182][ T7060] netdev_register_kobject+0x10c/0x1b0 [ 37.903632][ T7060] register_netdevice+0x397/0x600 [ 37.908745][ T7060] veth_newlink+0x1ee/0x420 [ 37.913291][ T7060] ? veth_open+0x90/0x90 [ 37.917512][ T7060] __rtnl_newlink+0x892/0xb30 [ 37.922163][ T7060] ? tomoyo_merge_path_acl+0x39/0x60 [ 37.927511][ T7060] ? tomoyo_same_path_acl+0x60/0x60 [ 37.932743][ T7060] ? tomoyo_update_domain+0x9f/0x1f0 [ 37.938012][ T7060] ? tomoyo_same_path_acl+0x60/0x60 [ 37.943274][ T7060] ? tomoyo_write_misc+0x130/0x130 [ 37.948360][ T7060] ? tomoyo_put_name_union+0x3e/0x50 [ 37.953611][ T7060] ? tomoyo_supervisor+0x1cc/0x800 [ 37.958696][ T7060] ? call_rcu+0xb/0x10 [ 37.962856][ T7060] ? put_object+0x28/0x30 [ 37.967273][ T7060] ? __delete_object+0x41/0x50 [ 37.972003][ T7060] ? delete_object_full+0x18/0x20 [ 37.977083][ T7060] ? kmemleak_free+0x21/0x40 [ 37.981807][ T7060] ? ___cache_free+0xb9/0x340 [ 37.986571][ T7060] ? __rtnl_newlink+0xb30/0xb30 [ 37.991449][ T7060] rtnl_newlink+0x4e/0x80 [ 37.995770][ T7060] rtnetlink_rcv_msg+0x36e/0x480 [ 38.000684][ T7060] ? netlink_compare+0x44/0x50 [ 38.005551][ T7060] ? rtnl_calcit.isra.0+0x160/0x160 [ 38.010723][ T7060] netlink_rcv_skb+0x61/0x170 [ 38.015413][ T7060] rtnetlink_rcv+0x1d/0x30 [ 38.019796][ T7060] netlink_unicast+0x1ec/0x2d0 [ 38.024637][ T7060] netlink_sendmsg+0x270/0x480 [ 38.030309][ T7060] sock_sendmsg+0x54/0x70 [ 38.034619][ T7060] ___sys_sendmsg+0x393/0x3c0 [ 38.039268][ T7060] ? _parse_integer+0xbf/0xe0 [ 38.043998][ T7060] ? _kstrtoull+0x92/0xd0 [ 38.048307][ T7060] ? kstrtouint+0x76/0xa0 [ 38.052604][ T7060] ? kstrtouint_from_user+0x7f/0xb0 [ 38.057788][ T7060] ? selinux_file_permission+0x30/0x1f0 [ 38.063307][ T7060] ? __fget_light+0x70/0xb0 [ 38.067779][ T7060] ? __fdget+0x1b/0x20 [ 38.071824][ T7060] ? sockfd_lookup_light+0x6c/0xb0 [ 38.077132][ T7060] __sys_sendmsg+0x80/0xf0 [ 38.081536][ T7060] __x64_sys_sendmsg+0x23/0x30 [ 38.086340][ T7060] do_syscall_64+0x76/0x1a0 [ 38.090823][ T7060] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 38.096889][ T7060] RIP: 0033:0x4414b9 [ 38.100799][ T7060] Code: 25 02 00 85 c0 b8 00 00 00 00 48 0f 44 c3 5b c3 90 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 ab 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 38.120712][ T7060] RSP: 002b:00007ffd4268ecb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 38.129092][ T7060] RAX: ffffffffffffffda RBX: 00007ffd4268ed60 RCX: 00000000004414b9 [ 38.137131][ T7060] RDX: 0000000000000000 RSI: 0000000020000580 RDI: 0000000000000003 [ 38.145362][ T7060] RBP: 0000000000000004 R08: 0000000000000002 R09: 00000000004018e0 [ 38.153435][ T7060] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402cf0 [ 38.161565][ T7060] R13: 0000000000402d80 R14: 0000000000000000 R15: 0000000000000000 [ 38.169604][ T7060] kobject: can not set name properly! [ 43.803670][ T7060] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88810c26e100 (size 256): comm "syz-executor284", pid 7060, jiffies 4294941055 (age 7.900s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 08 e1 26 0c 81 88 ff ff ..........&..... 08 e1 26 0c 81 88 ff ff 70 ca 09 82 ff ff ff ff ..&.....p....... backtrace: [<000000003f0314c9>] kmem_cache_alloc_trace+0x145/0x280 [<00000000846ca0b2>] device_add+0x65b/0x890 [<00000000453dcc36>] netdev_register_kobject+0xa6/0x1b0 [<000000000c468425>] register_netdevice+0x397/0x600 [<00000000c663cb50>] veth_newlink+0x1ee/0x420 [<000000000ba6283c>] __rtnl_newlink+0x892/0xb30 [<000000003cb2a79b>] rtnl_newlink+0x4e/0x80 [<000000005744df56>] rtnetlink_rcv_msg+0x36e/0x480 [<0000000065491e2b>] netlink_rcv_skb+0x61/0x170 [<00000000508ddc26>] rtnetlink_rcv+0x1d/0x30 [<00000000b757d3ad>] netlink_unicast+0x1ec/0x2d0 [<000000004088031a>] netlink_sendmsg+0x270/0x480 [<000000007e9d1cd7>] sock_sendmsg+0x54/0x70 [<00000000882ea403>] ___sys_sendmsg+0x393/0x3c0 [<00000000cd370b61>] __sys_sendmsg+0x80/0xf0 [<000000003ac6c397>] __x64_sys_sendmsg+0x23/0x30