[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 24.778775][ T24] audit: type=1800 audit(1561687956.792:33): pid=6802 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 [....] startpar: service(s) returned failure: rsyslog ssh ...[?25l[?1c7[FAIL8[?25h[?0c failed! Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 31.513365][ T24] kauditd_printk_skb: 1 callbacks suppressed [ 31.513376][ T24] audit: type=1400 audit(1561687963.532:35): avc: denied { map } for pid=7005 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 '10.128.10.17' (ECDSA) to the list of known hosts. [ 37.419770][ T24] audit: type=1400 audit(1561687969.432:36): avc: denied { map } for pid=7018 comm="syz-executor325" path="/root/syz-executor325064585" 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 [ 44.368710][ T7020] IPVS: ftp: loaded support on port[0] = 21 [ 44.381564][ T7020] FAULT_INJECTION: forcing a failure. [ 44.381564][ T7020] name failslab, interval 1, probability 0, space 0, times 1 [ 44.394187][ T7020] CPU: 1 PID: 7020 Comm: syz-executor325 Not tainted 5.2.0-rc6+ #43 [ 44.402138][ T7020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.412163][ T7020] Call Trace: [ 44.415568][ T7020] dump_stack+0xaa/0xd6 [ 44.419708][ T7020] should_fail.cold+0x3c/0x49 [ 44.424713][ T7020] __should_failslab+0x65/0xa0 [ 44.429443][ T7020] should_failslab+0x9/0x14 [ 44.433921][ T7020] kmem_cache_alloc_trace+0x2d/0x280 [ 44.439172][ T7020] ? kobject_set_name_vargs+0xb4/0xe0 [ 44.444519][ T7020] device_add+0x65b/0x890 [ 44.448825][ T7020] netdev_register_kobject+0xa6/0x1b0 [ 44.454169][ T7020] register_netdevice+0x397/0x600 [ 44.459160][ T7020] ldisc_open+0x1f7/0x350 [ 44.463455][ T7020] ? __vfree+0x34/0x80 [ 44.467488][ T7020] ? vfree+0x47/0x60 [ 44.471350][ T7020] ? caif_net_open+0x20/0x20 [ 44.475914][ T7020] tty_ldisc_open.isra.0+0x40/0x70 [ 44.481004][ T7020] tty_set_ldisc+0x149/0x240 [ 44.485857][ T7020] tty_ioctl+0x366/0xa30 [ 44.490072][ T7020] ? tty_vhangup+0x30/0x30 [ 44.494455][ T7020] do_vfs_ioctl+0x62a/0x810 [ 44.498924][ T7020] ? tomoyo_file_ioctl+0x23/0x30 [ 44.503829][ T7020] ksys_ioctl+0x86/0xb0 [ 44.507951][ T7020] __x64_sys_ioctl+0x1e/0x30 [ 44.512506][ T7020] do_syscall_64+0x76/0x1a0 [ 44.516980][ T7020] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.522835][ T7020] RIP: 0033:0x440e49 [ 44.526694][ T7020] 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 [ 44.546267][ T7020] RSP: 002b:00007ffe23809938 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.554649][ T7020] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440e49 [ 44.562594][ T7020] RDX: 0000000020000140 RSI: 0000000000005423 RDI: 0000000000000003 [ 44.570536][ T7020] RBP: 00007ffe23809950 R08: 0000000000000002 R09: 0000000000000100 [ 44.578478][ T7020] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 44.586512][ T7020] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 50.578153][ T7018] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88811ecfd940 (size 32): comm "syz-executor325", pid 7020, jiffies 4294941714 (age 8.280s) hex dump (first 32 bytes): 63 66 70 74 6d 30 00 ff 40 28 7b 04 00 ea ff ff cfptm0..@({..... 80 3e 57 04 00 ea ff ff 00 00 00 00 00 00 00 00 .>W............. backtrace: [<00000000f79b52e6>] __kmalloc_track_caller+0x15d/0x2c0 [<00000000136e9ce9>] kstrdup+0x3a/0x70 [<00000000f51f9449>] kstrdup_const+0x48/0x60 [<00000000d147428e>] kvasprintf_const+0x7e/0xe0 [<0000000034efdc7b>] kobject_set_name_vargs+0x40/0xe0 [<000000002270c4d3>] dev_set_name+0x63/0x90 [<00000000e7615ae5>] netdev_register_kobject+0x5a/0x1b0 [<00000000d7e4b50f>] register_netdevice+0x397/0x600 [<00000000a64424ee>] ldisc_open+0x1f7/0x350 [<0000000070637564>] tty_ldisc_open.isra.0+0x40/0x70 [<000000005336dde2>] tty_set_ldisc+0x149/0x240 [<0000000065b2d19c>] tty_ioctl+0x366/0xa30 [<00000000b384424a>] do_vfs_ioctl+0x62a/0x810 [<000000006115ca0e>] ksys_ioctl+0x86/0xb0 [<000000004fc93cb2>] __x64_sys_ioctl+0x1e/0x30 [<00000000aad42a33>] do_syscall_64+0x76/0x1a0