[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.16' (ECDSA) to the list of known hosts. syzkaller login: [ 34.206351][ T26] audit: type=1400 audit(1591781146.048:8): avc: denied { execmem } for pid=6485 comm="syz-executor608" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program executing program executing program [ 53.499483][ T6485] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88811e77b780 (size 128): comm "syz-executor608", pid 6491, jiffies 4294941957 (age 13.020s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000007f9e7d04>] ctnetlink_alloc_filter+0x3a/0x2a0 [<00000000f4cef9d6>] ctnetlink_start+0x3a/0x80 [<0000000041ccfeed>] __netlink_dump_start+0x1a3/0x2e0 [<00000000d7a2ac1a>] ctnetlink_get_conntrack+0x26d/0x2f0 [<000000000ca1b958>] nfnetlink_rcv_msg+0x32f/0x370 [<000000002a336f86>] netlink_rcv_skb+0x5a/0x180 [<00000000cf9bdc33>] nfnetlink_rcv+0x83/0x1b0 [<0000000067b577d1>] netlink_unicast+0x20a/0x2f0 [<0000000009bf0bcb>] netlink_sendmsg+0x2b5/0x560 [<00000000aa515c2b>] sock_sendmsg+0x4c/0x60 [<000000004363b7da>] ____sys_sendmsg+0x2c4/0x2f0 [<000000001c345499>] ___sys_sendmsg+0x8a/0xd0 [<00000000d8d02ae1>] __sys_sendmsg+0x77/0xe0 [<000000006083a37e>] do_syscall_64+0x6e/0x220 [<000000009d71e6c4>] entry_SYSCALL_64_after_hwframe+0x44/0xa9