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. [ 23.850113][ T23] kauditd_printk_skb: 16 callbacks suppressed [ 23.850118][ T23] audit: type=1800 audit(1563817493.096:33): pid=6790 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 [ 23.877629][ T23] audit: type=1800 audit(1563817493.096:34): pid=6790 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: [ 33.846261][ T23] audit: type=1400 audit(1563817503.086:35): avc: denied { map } for pid=6971 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 '10.128.0.230' (ECDSA) to the list of known hosts. [ 39.700289][ T23] audit: type=1400 audit(1563817508.946:36): avc: denied { map } for pid=6985 comm="syz-executor064" path="/root/syz-executor064069501" 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 [ 46.424968][ T6986] IPVS: ftp: loaded support on port[0] = 21 [ 46.438315][ T6986] FAULT_INJECTION: forcing a failure. [ 46.438315][ T6986] name failslab, interval 1, probability 0, space 0, times 1 [ 46.450901][ T6986] CPU: 0 PID: 6986 Comm: syz-executor064 Not tainted 5.2.0+ #73 [ 46.458534][ T6986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.468596][ T6986] Call Trace: [ 46.471858][ T6986] dump_stack+0xaa/0xd6 [ 46.475978][ T6986] should_fail.cold+0x3c/0x49 [ 46.480669][ T6986] __should_failslab+0x65/0xa0 [ 46.485700][ T6986] should_failslab+0x9/0x14 [ 46.490259][ T6986] kmem_cache_alloc+0x26/0x280 [ 46.494998][ T6986] __kernfs_new_node+0x75/0x270 [ 46.499904][ T6986] ? map_id_range_down+0xb4/0x140 [ 46.504901][ T6986] ? format_decode+0xcb/0x5e0 [ 46.509823][ T6986] kernfs_new_node+0x5e/0x90 [ 46.514383][ T6986] kernfs_create_dir_ns+0x52/0xb0 [ 46.519370][ T6986] sysfs_create_dir_ns+0x8a/0x110 [ 46.524364][ T6986] kobject_add_internal+0x11b/0x370 [ 46.529649][ T6986] kobject_init_and_add+0x86/0xc0 [ 46.534640][ T6986] netdev_queue_update_kobjects+0x76/0x190 [ 46.540415][ T6986] netif_set_real_num_tx_queues+0xa3/0x220 [ 46.546191][ T6986] tun_attach+0x196/0x680 [ 46.550488][ T6986] __tun_chr_ioctl+0xd23/0x1690 [ 46.555314][ T6986] ? tun_chr_compat_ioctl+0x30/0x30 [ 46.560477][ T6986] tun_chr_ioctl+0x2b/0x40 [ 46.564864][ T6986] do_vfs_ioctl+0x63f/0x830 [ 46.569469][ T6986] ? tomoyo_file_ioctl+0x23/0x30 [ 46.574377][ T6986] ksys_ioctl+0x86/0xb0 [ 46.578604][ T6986] __x64_sys_ioctl+0x1e/0x30 [ 46.583165][ T6986] do_syscall_64+0x76/0x1a0 [ 46.587637][ T6986] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.593613][ T6986] RIP: 0033:0x440ef9 [ 46.597478][ T6986] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 10 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 46.617223][ T6986] RSP: 002b:00007fffd264b288 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.625613][ T6986] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440ef9 [ 46.633559][ T6986] RDX: 0000000020000000 RSI: 00000000400454ca RDI: 0000000000000004 [ 46.641496][ T6986] RBP: 00007fffd264b2a0 R08: 0000000000000001 R09: 0000000000000100 [ 46.649554][ T6986] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 46.657490][ T6986] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 46.665485][ T6986] kobject_add_internal failed for tx-1 (error: -12 parent: queues) [ 52.500108][ T6985] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888119cf2560 (size 32): comm "syz-executor064", pid 6986, jiffies 4294941918 (age 8.040s) hex dump (first 32 bytes): 74 78 2d 31 00 6e 65 74 2f 74 75 6e 00 00 00 00 tx-1.net/tun.... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000d773c43a>] __kmalloc_track_caller+0x169/0x2d0 [<00000000f4cbc11f>] kvasprintf+0x6d/0xe0 [<00000000c417a329>] kvasprintf_const+0x96/0xe0 [<0000000025b216f4>] kobject_set_name_vargs+0x40/0xe0 [<00000000f2703575>] kobject_init_and_add+0x6d/0xc0 [<00000000718f770d>] netdev_queue_update_kobjects+0x76/0x190 [<00000000dad155f2>] netif_set_real_num_tx_queues+0xa3/0x220 [<0000000092cde79d>] tun_attach+0x196/0x680 [<00000000b0c9a560>] __tun_chr_ioctl+0xd23/0x1690 [<00000000af6b6c73>] tun_chr_ioctl+0x2b/0x40 [<000000009e44bfcb>] do_vfs_ioctl+0x63f/0x830 [<00000000b449d1e4>] ksys_ioctl+0x86/0xb0 [<00000000822bd0b0>] __x64_sys_ioctl+0x1e/0x30 [<000000007d5336fe>] do_syscall_64+0x76/0x1a0 [<0000000080209193>] entry_SYSCALL_64_after_hwframe+0x44/0xa9