% LD_LIBRARY_PATH=~/local/SDL2-dbg/lib LD_PRELOAD=$LD_LIBRARY_PATH/libSDL2_ttf-2.0.so.0 valgrind ./ttf_test_sdl2
==9851== Memcheck, a memory error detector
==9851== Copyright (C) 2002-2013, and GNU GPL'd, by Julian Seward et al.
==9851== Using Valgrind-3.10.0 and LibVEX; rerun with -h for copyright info
==9851== Command: ./ttf_test_sdl2
==9851==
Rendering Font Render Test 1/5 (Solid)
==9851==
Rendering complete
Rendering Font Render Test 2/5 (Solid)
Rendering complete
Rendering Font Render Test 3/5 (Solid)
Rendering complete
Rendering Font Render Test 4/5 (Solid)
==9851== Invalid read of size 1
==9851==    at 0x4E39DB5: TTF_RenderUTF8_Solid (SDL_ttf.c:1446)
==9851==    by 0x401197: main (ttf_test_sdl2_clean.c:170)
==9851==  Address 0xcccb51e is 2 bytes before a block of size 380 alloc'd
==9851==    at 0x4C28C20: malloc (vg_replace_malloc.c:296)
==9851==    by 0x51032AB: SDL_CreateRGBSurface_REAL (SDL_surface.c:90)
==9851==    by 0x4E39A78: TTF_RenderUTF8_Solid (SDL_ttf.c:1373)
==9851==    by 0x401197: main (ttf_test_sdl2_clean.c:170)
==9851==
==9851== Invalid write of size 1
==9851==    at 0x4E39DBA: TTF_RenderUTF8_Solid (SDL_ttf.c:1446)
==9851==    by 0x401197: main (ttf_test_sdl2_clean.c:170)
==9851==  Address 0xcccb51e is 2 bytes before a block of size 380 alloc'd
==9851==    at 0x4C28C20: malloc (vg_replace_malloc.c:296)
==9851==    by 0x51032AB: SDL_CreateRGBSurface_REAL (SDL_surface.c:90)
==9851==    by 0x4E39A78: TTF_RenderUTF8_Solid (SDL_ttf.c:1373)
==9851==    by 0x401197: main (ttf_test_sdl2_clean.c:170)
==9851==
Rendering complete
Rendering Font Render Test 5/5 (Solid)
Rendering complete
Rendering Font Render Test 1/5 (Blended)
Rendering complete
Rendering Font Render Test 2/5 (Blended)
Rendering complete
Rendering Font Render Test 3/5 (Blended)
Rendering complete
Rendering Font Render Test 4/5 (Blended)
==9851== Invalid read of size 4
==9851==    at 0x4E3ACD3: TTF_RenderUTF8_Blended (SDL_ttf.c:1802)
==9851==    by 0x401150: main (ttf_test_sdl2_clean.c:163)
==9851==  Address 0xcce5f88 is 8 bytes before a block of size 1,368 alloc'd
==9851==    at 0x4C28C20: malloc (vg_replace_malloc.c:296)
==9851==    by 0x51032AB: SDL_CreateRGBSurface_REAL (SDL_surface.c:90)
==9851==    by 0x4E3A9DD: TTF_RenderUTF8_Blended (SDL_ttf.c:1732)
==9851==    by 0x401150: main (ttf_test_sdl2_clean.c:163)
==9851==
==9851== Invalid write of size 4
==9851==    at 0x4E3ACE0: TTF_RenderUTF8_Blended (SDL_ttf.c:1802)
==9851==    by 0x401150: main (ttf_test_sdl2_clean.c:163)
==9851==  Address 0xcce5f88 is 8 bytes before a block of size 1,368 alloc'd
==9851==    at 0x4C28C20: malloc (vg_replace_malloc.c:296)
==9851==    by 0x51032AB: SDL_CreateRGBSurface_REAL (SDL_surface.c:90)
==9851==    by 0x4E3A9DD: TTF_RenderUTF8_Blended (SDL_ttf.c:1732)
==9851==    by 0x401150: main (ttf_test_sdl2_clean.c:163)
==9851==
Rendering complete
Rendering Font Render Test 5/5 (Blended)
Rendering complete
Rendering Font Render Test 1/5 (Shaded)
Rendering complete
Rendering Font Render Test 2/5 (Shaded)
Rendering complete
Rendering Font Render Test 3/5 (Shaded)
Rendering complete
Rendering Font Render Test 4/5 (Shaded)
==9851== Invalid read of size 1
==9851==    at 0x4E3A5BB: TTF_RenderUTF8_Shaded (SDL_ttf.c:1627)
==9851==    by 0x401175: main (ttf_test_sdl2_clean.c:166)
==9851==  Address 0xcaa9fce is 2 bytes before a block of size 380 alloc'd
==9851==    at 0x4C28C20: malloc (vg_replace_malloc.c:296)
==9851==    by 0x51032AB: SDL_CreateRGBSurface_REAL (SDL_surface.c:90)
==9851==    by 0x4E3A1D1: TTF_RenderUTF8_Shaded (SDL_ttf.c:1553)
==9851==    by 0x401175: main (ttf_test_sdl2_clean.c:166)
==9851==
==9851== Invalid write of size 1
==9851==    at 0x4E3A5C0: TTF_RenderUTF8_Shaded (SDL_ttf.c:1627)
==9851==    by 0x401175: main (ttf_test_sdl2_clean.c:166)
==9851==  Address 0xcaa9fce is 2 bytes before a block of size 380 alloc'd
==9851==    at 0x4C28C20: malloc (vg_replace_malloc.c:296)
==9851==    by 0x51032AB: SDL_CreateRGBSurface_REAL (SDL_surface.c:90)
==9851==    by 0x4E3A1D1: TTF_RenderUTF8_Shaded (SDL_ttf.c:1553)
==9851==    by 0x401175: main (ttf_test_sdl2_clean.c:166)
==9851==
Rendering complete
Rendering Font Render Test 5/5 (Shaded)
Rendering complete
==9851==
==9851== HEAP SUMMARY:
==9851==     in use at exit: 41,369 bytes in 433 blocks
==9851==   total heap usage: 16,856 allocs, 16,423 frees, 169,094,472 bytes allocated
==9851==
==9851== LEAK SUMMARY:
==9851==    definitely lost: 448 bytes in 1 blocks
==9851==    indirectly lost: 696 bytes in 2 blocks
==9851==      possibly lost: 0 bytes in 0 blocks
==9851==    still reachable: 40,225 bytes in 430 blocks
==9851==         suppressed: 0 bytes in 0 blocks
==9851== Rerun with --leak-check=full to see details of leaked memory
==9851==
==9851== For counts of detected and suppressed errors, rerun with: -v
==9851== Use --track-origins=yes to see where uninitialised values come from
==9851== ERROR SUMMARY: 24 errors from 10 contexts (suppressed: 6 from 1)