memory leaks in FXFont::listFonts()

I ran my program on Linux with these complier options

 

-fsanitize=address -ggdb3

 

And I get these leaks, I think they are all in
FX::FXFont::listFonts()

 

 

 

 

 

 

 

=================================================================

==29369==ERROR: LeakSanitizer: detected memory leaks

 

Direct leak of 111736 byte(s) in 1 object(s) allocated from:

    #0 0x7f8dc6c79808 in __interceptor_malloc
../../../../src/libsanitizer/asan/asan_malloc_linux.cc:144

    #1 0x7f8dc6a0dc74 in XftFontOpenInfo
(/usr/lib/x86_64-linux-gnu/libXft.so.2+0xcc74)

 

Direct leak of 18304 byte(s) in 1 object(s) allocated from:

    #0 0x7f8dc6c79c3e in __interceptor_realloc
../../../../src/libsanitizer/asan/asan_malloc_linux.cc:163

    #1 0x55a8988204c5 in FX::fxresize(void**, unsigned long)
(/home/jhs1/mpdb/MPDB/MPDB_linux+0xfa6e4c5)

    #2 0x55a8987d6b80 in bool
FX::resizeElms<FX::FXFontDesc>(FX::FXFontDesc*&, unsigned long)
(/home/jhs1/mpdb/MPDB/MPDB_linux+0xfa24b80)

    #3 0x55a8987d53b5 in FX::FXFont::listFonts(FX::FXFontDesc*&,
unsigned int&, FX::FXString const&, unsigned int, unsigned int,
unsigned int, unsigned int, unsigned int)
(/home/jhs1/mpdb/MPDB/MPDB_linux+0xfa233b5)

    #4 0x55a88b03971e in Mpdb::setDefaultFont()
/home/jhs1/mpdb/MPDB/Mpdb.cpp:9636

    #5 0x55a88b03af3e in Mpdb::assignProgramDefaults()
/home/jhs1/mpdb/MPDB/Mpdb.cpp:9572

 

Direct leak of 18304 byte(s) in 1 object(s) allocated from:

    #0 0x7f8dc6c79c3e in __interceptor_realloc
../../../../src/libsanitizer/asan/asan_malloc_linux.cc:163

    #1 0x55a8988204c5 in FX::fxresize(void**, unsigned long)
(/home/jhs1/mpdb/MPDB/MPDB_linux+0xfa6e4c5)

    #2 0x55a8987d6b80 in bool
FX::resizeElms<FX::FXFontDesc>(FX::FXFontDesc*&, unsigned long)
(/home/jhs1/mpdb/MPDB/MPDB_linux+0xfa24b80)

    #3 0x55a8987d53b5 in FX::FXFont::listFonts(FX::FXFontDesc*&,
unsigned int&, FX::FXString const&, unsigned int, unsigned int,
unsigned int, unsigned int, unsigned int)
(/home/jhs1/mpdb/MPDB/MPDB_linux+0xfa233b5)

    #4 0x55a88b03971e in Mpdb::setDefaultFont()
/home/jhs1/mpdb/MPDB/Mpdb.cpp:9636

    #5 0x55a88b0651ce in Mpdb::Mpdb(FX::FXApp*)
/home/jhs1/mpdb/MPDB/Mpdb.cpp:509

    #6 0x55a88b09d44f in main /home/jhs1/mpdb/MPDB/Mpdb.cpp:16878

    #7 0x7f8dc6027082 in __libc_start_main
../csu/libc-start.c:308

 

Direct leak of 3712 byte(s) in 1 object(s) allocated from:

    #0 0x7f8dc6c79c3e in __interceptor_realloc
../../../../src/libsanitizer/asan/asan_malloc_linux.cc:163

    #1 0x55a8988204c5 in FX::fxresize(void**, unsigned long)
(/home/jhs1/mpdb/MPDB/MPDB_linux+0xfa6e4c5)

    #2 0x55a8987d6b80 in bool
FX::resizeElms<FX::FXFontDesc>(FX::FXFontDesc*&, unsigned long)
(/home/jhs1/mpdb/MPDB/MPDB_linux+0xfa24b80)

    #3 0x55a8987d53b5 in FX::FXFont::listFonts(FX::FXFontDesc*&,
unsigned int&, FX::FXString const&, unsigned int, unsigned int,
unsigned int, unsigned int, unsigned int)
(/home/jhs1/mpdb/MPDB/MPDB_linux+0xfa233b5)

    #4 0x55a88b03941f in Mpdb::setDefaultFont()
/home/jhs1/mpdb/MPDB/Mpdb.cpp:9606

    #5 0x55a88b0651ce in Mpdb::Mpdb(FX::FXApp*)
/home/jhs1/mpdb/MPDB/Mpdb.cpp:509

    #6 0x55a88b09d44f in main /home/jhs1/mpdb/MPDB/Mpdb.cpp:16878

    #7 0x7f8dc6027082 in __libc_start_main
../csu/libc-start.c:308

 

Direct leak of 3712 byte(s) in 1 object(s) allocated from:

    #0 0x7f8dc6c79c3e in __interceptor_realloc
../../../../src/libsanitizer/asan/asan_malloc_linux.cc:163

    #1 0x55a8988204c5 in FX::fxresize(void**, unsigned long)
(/home/jhs1/mpdb/MPDB/MPDB_linux+0xfa6e4c5)

    #2 0x55a8987d6b80 in bool
FX::resizeElms<FX::FXFontDesc>(FX::FXFontDesc*&, unsigned long)
(/home/jhs1/mpdb/MPDB/MPDB_linux+0xfa24b80)

    #3 0x55a8987d53b5 in FX::FXFont::listFonts(FX::FXFontDesc*&,
unsigned int&, FX::FXString const&, unsigned int, unsigned int,
unsigned int, unsigned int, unsigned int)
(/home/jhs1/mpdb/MPDB/MPDB_linux+0xfa233b5)

    #4 0x55a88b03941f in Mpdb::setDefaultFont()
/home/jhs1/mpdb/MPDB/Mpdb.cpp:9606

    #5 0x55a88b03af3e in Mpdb::assignProgramDefaults()
/home/jhs1/mpdb/MPDB/Mpdb.cpp:9572

 

Direct leak of 1536 byte(s) in 2 object(s) allocated from:

    #0 0x7f8dc6c79c3e in __interceptor_realloc
../../../../src/libsanitizer/asan/asan_malloc_linux.cc:163

    #1 0x7f8dc69ce3a0
(/usr/lib/x86_64-linux-gnu/libfontconfig.so.1+0x213a0)

 

Direct leak of 256 byte(s) in 1 object(s) allocated from:

    #0 0x7f8dc6c79808 in __interceptor_malloc
../../../../src/libsanitizer/asan/asan_malloc_linux.cc:144

    #1 0x7f8dc69ce2f4
(/usr/lib/x86_64-linux-gnu/libfontconfig.so.1+0x212f4)

 

Indirect leak of 111736 byte(s) in 1 object(s) allocated from:

    #0 0x7f8dc6c79808 in __interceptor_malloc
../../../../src/libsanitizer/asan/asan_malloc_linux.cc:144

    #1 0x7f8dc6a0dc74 in XftFontOpenInfo
(/usr/lib/x86_64-linux-gnu/libXft.so.2+0xcc74)

 

Indirect leak of 1408 byte(s) in 44 object(s) allocated from:

    #0 0x7f8dc6c79a06 in __interceptor_calloc
../../../../src/libsanitizer/asan/asan_malloc_linux.cc:153

    #1 0x7f8dc69cde0f
(/usr/lib/x86_64-linux-gnu/libfontconfig.so.1+0x20e0f)

 

Indirect leak of 1376 byte(s) in 43 object(s) allocated from:

    #0 0x7f8dc6c79808 in __interceptor_malloc
../../../../src/libsanitizer/asan/asan_malloc_linux.cc:144

    #1 0x7f8dc6a1010d in XftFontCheckGlyph
(/usr/lib/x86_64-linux-gnu/libXft.so.2+0xf10d)

 

Indirect leak of 840 byte(s) in 26 object(s) allocated from:

    #0 0x7f8dc6c023ed in __interceptor_strdup
../../../../src/libsanitizer/asan/asan_interceptors.cc:445

    #1 0x7f8dc69cdb64 in FcValueSave
(/usr/lib/x86_64-linux-gnu/libfontconfig.so.1+0x20b64)

 

Indirect leak of 608 byte(s) in 19 object(s) allocated from:

    #0 0x7f8dc6c79a06 in __interceptor_calloc
../../../../src/libsanitizer/asan/asan_malloc_linux.cc:153

    #1 0x7f8dc69ce93c
(/usr/lib/x86_64-linux-gnu/libfontconfig.so.1+0x2193c)

 

Indirect leak of 384 byte(s) in 12 object(s) allocated from:

    #0 0x7f8dc6c79a06 in __interceptor_calloc
../../../../src/libsanitizer/asan/asan_malloc_linux.cc:153

    #1 0x7f8dc69cdcae
(/usr/lib/x86_64-linux-gnu/libfontconfig.so.1+0x20cae)

 

Indirect leak of 128 byte(s) in 4 object(s) allocated from:

    #0 0x7f8dc6c79a06 in __interceptor_calloc
../../../../src/libsanitizer/asan/asan_malloc_linux.cc:153

    #1 0x7f8dc69cddb4
(/usr/lib/x86_64-linux-gnu/libfontconfig.so.1+0x20db4)

 

Indirect leak of 96 byte(s) in 2 object(s) allocated from:

    #0 0x7f8dc6c79808 in __interceptor_malloc
../../../../src/libsanitizer/asan/asan_malloc_linux.cc:144

    #1 0x7f8dc69c7e11 in FcLangSetCreate
(/usr/lib/x86_64-linux-gnu/libfontconfig.so.1+0x1ae11)

 

Indirect leak of 48 byte(s) in 2 object(s) allocated from:

    #0 0x7f8dc6c79808 in __interceptor_malloc
../../../../src/libsanitizer/asan/asan_malloc_linux.cc:144

    #1 0x7f8dc69cd931 in FcPatternCreate
(/usr/lib/x86_64-linux-gnu/libfontconfig.so.1+0x20931)

 

SUMMARY: AddressSanitizer: 274184 byte(s) leaked in 161
allocation(s).

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