[....] 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. [ 25.315244][ T24] kauditd_printk_skb: 16 callbacks suppressed [ 25.315250][ T24] audit: type=1800 audit(1565222689.409:33): pid=6811 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 [ 25.344680][ T24] audit: type=1800 audit(1565222689.409:34): pid=6811 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: [ 28.907790][ T24] audit: type=1400 audit(1565222693.009:35): avc: denied { map } for pid=6988 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 '10.128.1.58' (ECDSA) to the list of known hosts. [ 34.798004][ T24] audit: type=1400 audit(1565222698.899:36): avc: denied { map } for pid=7002 comm="syz-executor379" path="/root/syz-executor379425610" dev="sda1" ino=16482 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 [ 48.797125][ T7002] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff8881165f6380 (size 64): comm "syz-executor379", pid 7005, jiffies 4294941445 (age 14.200s) hex dump (first 32 bytes): 23 4e 00 00 81 88 ff ff 00 00 00 00 00 00 00 00 #N.............. 98 21 3f 25 81 88 ff ff 00 00 00 00 00 00 00 00 .!?%............ backtrace: [<00000000367454ec>] kmem_cache_alloc+0x13f/0x2c0 [<000000003f1f890b>] sctp_get_port_local+0x189/0x5b0 [<0000000025214263>] sctp_do_bind+0xcc/0x1e0 [<00000000f8538333>] sctp_bindx_add+0x4b/0xd0 [<00000000fdfd79ba>] sctp_setsockopt_bindx+0x18b/0x1f0 [<00000000ad51110b>] sctp_setsockopt+0x924/0x2bd0 [<00000000f3e9009a>] sock_common_setsockopt+0x38/0x50 [<000000003aa76eb6>] __sys_setsockopt+0x10f/0x220 [<00000000848961a9>] __x64_sys_setsockopt+0x26/0x30 [<000000001d9481bc>] do_syscall_64+0x76/0x1a0 [<000000007b738303>] entry_SYSCALL_64_after_hwframe+0x44/0xa9