[ 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 '10.128.0.93' (ECDSA) to the list of known hosts. syzkaller login: [ 46.470421][ T26] audit: type=1400 audit(1587821065.688:8): avc: denied { execmem } for pid=6614 comm="syz-executor093" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program [ 54.836600][ T6615] netlink: 21 bytes leftover after parsing attributes in process `syz-executor093'. executing program [ 60.923217][ T6616] netlink: 21 bytes leftover after parsing attributes in process `syz-executor093'. executing program [ 66.814244][ T6617] netlink: 21 bytes leftover after parsing attributes in process `syz-executor093'. [ 68.062198][ T6614] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88811bdfb9c0 (size 32): comm "syz-executor093", pid 6616, jiffies 4294943354 (age 14.620s) hex dump (first 32 bytes): 00 a8 64 84 ff ff ff ff 60 9e b4 83 ff ff ff ff ..d.....`....... 00 00 00 00 00 00 00 00 5f 74 3a 73 30 00 48 37 ........_t:s0.H7 backtrace: [<0000000045af5772>] genl_rcv_msg+0x360/0x520 [<0000000011b18dae>] netlink_rcv_skb+0x5a/0x180 [<0000000021808210>] genl_rcv+0x24/0x40 [<000000009732b2d1>] netlink_unicast+0x20a/0x2f0 [<000000005b86afcb>] netlink_sendmsg+0x2b5/0x560 [<000000008a76e9ad>] sock_sendmsg+0x4c/0x60 [<000000005a968895>] sock_write_iter+0xc5/0x140 [<000000006c910dac>] new_sync_write+0x18e/0x240 [<00000000aed6dc56>] __vfs_write+0x73/0x90 [<00000000ed8943b3>] vfs_write+0xe0/0x200 [<0000000010855ad5>] ksys_write+0xd8/0x120 [<00000000f760bd51>] do_syscall_64+0x6e/0x220 [<0000000088b6b5e3>] entry_SYSCALL_64_after_hwframe+0x44/0xa9