[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] 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. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 39.007882][ T23] kauditd_printk_skb: 18 callbacks suppressed [ 39.007889][ T23] audit: type=1400 audit(1563844982.879:35): avc: denied { map } for pid=7037 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 '10.128.0.57' (ECDSA) to the list of known hosts. [ 44.885878][ T23] audit: type=1400 audit(1563844988.759:36): avc: denied { map } for pid=7049 comm="syz-executor492" path="/root/syz-executor492532755" 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 [ 58.694657][ T7049] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88810e448380 (size 64): comm "syz-executor492", pid 7050, jiffies 4294942442 (age 13.210s) hex dump (first 32 bytes): 1b a4 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 38 05 2d 17 82 88 ff ff 00 00 00 00 00 00 00 00 8.-............. backtrace: [<00000000430ae81e>] kmem_cache_alloc+0x13f/0x280 [<00000000f533d999>] sctp_get_port_local+0x18a/0x5e0 [<00000000f423000b>] sctp_do_bind+0xcc/0x1e0 [<000000002695957b>] sctp_bindx_add+0x4b/0xd0 [<000000004c47b7cc>] sctp_setsockopt_bindx+0x18b/0x1f0 [<00000000504dfa68>] sctp_setsockopt+0x924/0x2bd0 [<00000000a177869b>] sock_common_setsockopt+0x38/0x50 [<00000000f60e7500>] __sys_setsockopt+0x10f/0x220 [<00000000750783c8>] __x64_sys_setsockopt+0x26/0x30 [<000000008a1ea9b8>] do_syscall_64+0x76/0x1a0 [<00000000bd74fdc4>] entry_SYSCALL_64_after_hwframe+0x44/0xa9