Created attachment 1505088 [details]
./confuse_test POC0

version: libconfuse3.2.2
Summary: 

There are lots of memory leak at libconfuse. 

Description:

The asan debug is as follows:

$./confuse_test POC0
=================================================================
==56120==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 72 byte(s) in 1 object(s) allocated from:
    #0 0x7f5940f43b49 in __interceptor_calloc (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x98b49)
    #1 0x7f5940c9bdac in cfg_init /home/company/real_sanitize/libconfuse-master/src/confuse.c:1579

Indirect leak of 3168 byte(s) in 3 object(s) allocated from:
    #0 0x7f5940f43b49 in __interceptor_calloc (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x98b49)
    #1 0x7f5940c96679 in cfg_dupopt_array /home/company/real_sanitize/libconfuse-master/src/confuse.c:485

Indirect leak of 227 byte(s) in 24 object(s) allocated from:
    #0 0x7f5940f439aa in malloc (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x989aa)
    #1 0x7f5940950429 in __strdup (/lib/x86_64-linux-gnu/libc.so.6+0x8b429)

Indirect leak of 72 byte(s) in 9 object(s) allocated from:
    #0 0x7f5940f43b49 in __interceptor_calloc (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x98b49)
    #1 0x7f5940c9569f in cfg_addval /home/company/real_sanitize/libconfuse-master/src/confuse.c:463

Indirect leak of 72 byte(s) in 5 object(s) allocated from:
    #0 0x7f5940f43d2a in realloc (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x98d2a)
    #1 0x7f5940c95646 in cfg_addval /home/company/real_sanitize/libconfuse-master/src/confuse.c:458

Indirect leak of 46 byte(s) in 1 object(s) allocated from:
    #0 0x7f5940f439aa in malloc (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x989aa)
    #1 0x7f5940950429 in __strdup (/lib/x86_64-linux-gnu/libc.so.6+0x8b429)
    #2 0x36303a6769732c37  (<unknown module>)

Indirect leak of 5 byte(s) in 1 object(s) allocated from:
    #0 0x7f5940f439aa in malloc (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x989aa)
    #1 0x7f5940c9bdc2 in cfg_init /home/company/real_sanitize/libconfuse-master/src/confuse.c:1583