[....] 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: [ 35.277706][ T25] kauditd_printk_skb: 49 callbacks suppressed [ 35.277713][ T25] audit: type=1400 audit(1569835474.710:70): avc: denied { map } for pid=6797 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 '10.128.0.132' (ECDSA) to the list of known hosts. [ 48.677613][ T25] audit: type=1400 audit(1569835488.110:71): avc: denied { map } for pid=6810 comm="syz-executor330" path="/root/syz-executor330216284" 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 [ 67.912868][ T6810] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88812ada95c0 (size 64): comm "syz-executor330", pid 6812, jiffies 4294943392 (age 13.570s) hex dump (first 32 bytes): eb cc 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ c8 ae 4b 24 81 88 ff ff 00 00 00 00 00 00 00 00 ..K$............ backtrace: [<00000000a3549430>] kmem_cache_alloc+0x13f/0x2c0 [<00000000e8bdaa08>] sctp_get_port_local+0x189/0x5a0 [<00000000ed31c940>] sctp_do_bind+0xcc/0x200 [<00000000868668a8>] sctp_bindx_add+0x4b/0xd0 [<000000005d8df776>] sctp_setsockopt_bindx+0x156/0x1b0 [<000000004d40f657>] sctp_setsockopt+0xaea/0x2dc0 [<00000000bf6bdd6d>] sock_common_setsockopt+0x38/0x50 [<00000000617d2425>] __sys_setsockopt+0x10f/0x220 [<000000004e761c6f>] __x64_sys_setsockopt+0x26/0x30 [<0000000096f0fad7>] do_syscall_64+0x73/0x1f0 [<000000000f521bc6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9