[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] 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. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 26.959581][ T25] kauditd_printk_skb: 20 callbacks suppressed [ 26.959588][ T25] audit: type=1400 audit(1570915285.906:41): avc: denied { map } for pid=6811 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 '10.128.0.10' (ECDSA) to the list of known hosts. [ 123.147745][ T25] audit: type=1400 audit(1570915382.096:42): avc: denied { map } for pid=6827 comm="syz-executor764" path="/root/syz-executor764852463" dev="sda1" ino=1426 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 executing program executing program [ 142.116521][ T6827] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888122191c00 (size 224): comm "syz-executor764", pid 6829, jiffies 4294950829 (age 13.300s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 c0 81 2a 81 88 ff ff 00 50 3c 19 81 88 ff ff ...*.....P<..... backtrace: [<00000000202bf7ce>] kmem_cache_alloc_node+0x163/0x2f0 [<00000000a1699590>] __alloc_skb+0x6e/0x210 [<000000004338d8cf>] llc_alloc_frame+0x66/0x110 [<0000000010b8de54>] llc_conn_ac_send_sabme_cmd_p_set_x+0x2f/0x140 [<0000000096378a9e>] llc_conn_state_process+0x1ac/0x640 [<000000006f955e40>] llc_establish_connection+0x110/0x170 [<0000000095b98c82>] llc_ui_connect+0x10e/0x370 [<00000000bb871b86>] __sys_connect+0x11d/0x170 [<00000000020defb4>] __x64_sys_connect+0x1e/0x30 [<00000000202a5e68>] do_syscall_64+0x73/0x1f0 [<0000000019a3ef01>] entry_SYSCALL_64_after_hwframe+0x44/0xa9