[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 42.912707][ T22] kauditd_printk_skb: 39 callbacks suppressed [ 42.912714][ T22] audit: type=1400 audit(1568957515.551:56): avc: denied { map } for pid=6735 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 '10.128.0.122' (ECDSA) to the list of known hosts. [ 84.709609][ T22] audit: type=1400 audit(1568957557.351:57): avc: denied { map } for pid=6747 comm="syz-executor773" path="/root/syz-executor773430969" dev="sda1" ino=16498 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 executing program executing program executing program executing program executing program [ 97.920847][ T6751] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88811975c380 (size 64): comm "syz-executor773", pid 6750, jiffies 4294946422 (age 14.270s) hex dump (first 32 bytes): 23 4e 00 00 47 68 00 00 00 00 00 00 00 00 00 00 #N..Gh.......... a8 fb e8 16 82 88 ff ff 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000078791b56>] kmem_cache_alloc+0x13f/0x2c0 [<00000000dc2b9989>] sctp_get_port_local+0x189/0x5a0 [<000000002ea1fa36>] sctp_do_bind+0xcc/0x200 [<00000000aafbae7b>] sctp_bindx_add+0x4b/0xd0 [<00000000faf9fcd2>] sctp_setsockopt_bindx+0x156/0x1b0 [<000000002f27faeb>] sctp_setsockopt+0xaea/0x2dc0 [<00000000a2613669>] sock_common_setsockopt+0x38/0x50 [<000000005f5122f2>] __sys_setsockopt+0x10f/0x220 [<00000000fbd85bb6>] __x64_sys_setsockopt+0x26/0x30 [<00000000709fc017>] do_syscall_64+0x73/0x1f0 [<000000009c009cfc>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811975c380 (size 64): comm "syz-executor773", pid 6750, jiffies 4294946422 (age 16.000s) hex dump (first 32 bytes): 23 4e 00 00 47 68 00 00 00 00 00 00 00 00 00 00 #N..Gh.......... a8 fb e8 16 82 88 ff ff 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000078791b56>] kmem_cache_alloc+0x13f/0x2c0 [<00000000dc2b9989>] sctp_get_port_local+0x189/0x5a0 [<000000002ea1fa36>] sctp_do_bind+0xcc/0x200 [<00000000aafbae7b>] sctp_bindx_add+0x4b/0xd0 [<00000000faf9fcd2>] sctp_setsockopt_bindx+0x156/0x1b0 [<000000002f27faeb>] sctp_setsockopt+0xaea/0x2dc0 [<00000000a2613669>] sock_common_setsockopt+0x38/0x50 [<000000005f5122f2>] __sys_setsockopt+0x10f/0x220 [<00000000fbd85bb6>] __x64_sys_setsockopt+0x26/0x30 [<00000000709fc017>] do_syscall_64+0x73/0x1f0 [<000000009c009cfc>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 executing program executing program executing program executing program executing program executing program