https://pagure.io/389-ds-base/pull-request/50379
This code is not yet ready to be merged. I'm currently having a problem with
freeing the attrsyntaxinfo struct as part of the test.
If the code is as is I get:
=================================================================
==98363==ERROR: LeakSanitizer: detected memory leaks
Direct leak of 160 byte(s) in 1 object(s) allocated from:
#0 0x7fbc40e28538 in calloc (/usr/lib64/libasan.so.5+0xec538)
#1 0x7fbc40a34be6 in slapi_ch_calloc
/home/william/development/389ds/ds/ldap/servers/slapd/ch_malloc.c:175
#2 0x40499c in attr_syntax_add_from_name
/home/william/development/389ds/ds/test/libslapd/schema/filter_validate.c:25
#3 0x404b22 in test_libslapd_schema_filter_validate_simple
/home/william/development/389ds/ds/test/libslapd/schema/filter_validate.c:56
#4 0x7fbc40d340d8 (/usr/lib64/libcmocka.so.0+0x50d8)
Objects leaked above:
0x60e000000d60 (160 bytes)
Direct leak of 160 byte(s) in 1 object(s) allocated from:
#0 0x7fbc40e28538 in calloc (/usr/lib64/libasan.so.5+0xec538)
#1 0x7fbc40a34be6 in slapi_ch_calloc
/home/william/development/389ds/ds/ldap/servers/slapd/ch_malloc.c:175
#2 0x40499c in attr_syntax_add_from_name
/home/william/development/389ds/ds/test/libslapd/schema/filter_validate.c:25
#3 0x404b0f in test_libslapd_schema_filter_validate_simple
/home/william/development/389ds/ds/test/libslapd/schema/filter_validate.c:55
#4 0x7fbc40d340d8 (/usr/lib64/libcmocka.so.0+0x50d8)
Objects leaked above:
0x60e000000ba0 (160 bytes)
SUMMARY: AddressSanitizer: 320 byte(s) leaked in 2 allocation(s).
However, if I free *a and *b, with attr_syntax_free, or slapi_ch_free, I get a
double free error. The size of 160 bytes correlates to the sizeof(struct
attrsyntaxinfo) but looking in gdb during attr_syntax_delete, the
attr_syntax_free is called on asi as provided.
So I'm not 100% sure what's going wrong here, but I'm not thoroughly
experienced in this part of the code, so feedback would be really helpful about
this resource issue.
Thanks!
—
Sincerely,
William Brown
Senior Software Engineer, 389 Directory Server
SUSE Labs
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