diff options
| author | Samuel Pitoiset <[email protected]> | 2016-04-28 21:09:12 +0200 |
|---|---|---|
| committer | Samuel Pitoiset <[email protected]> | 2016-04-30 17:41:32 +0200 |
| commit | 8f2238ccbae399a20fce24c5941accced7cee8d2 (patch) | |
| tree | 68622d85a7be7c857f759a4a739a0d674f1bac1d /src/mesa | |
| parent | 750c38fad1f19e2403b4960674006c5f932075ad (diff) | |
st/glsl_to_tgsi: fix potential crash when allocating temporaries
When index - t->temps_size is greater than 4096, allocating space for
temporaries on demand will miserably crash. This can happen when a game
uses a lot of temporaries like the recent released Tomb raider.
Signed-off-by: Samuel Pitoiset <[email protected]>
Reviewed-by: Ilia Mirkin <[email protected]>
Reviewed-by: Nicolai Hähnle <[email protected]>
Cc: "11.1 11.2" <[email protected]>
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp index 3c4c91b0e2f..060e854caa1 100644 --- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp +++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp @@ -5360,7 +5360,7 @@ dst_register(struct st_translate *t, gl_register_file file, unsigned index, case PROGRAM_TEMPORARY: /* Allocate space for temporaries on demand. */ if (index >= t->temps_size) { - const int inc = 4096; + const int inc = align(index - t->temps_size + 1, 4096); t->temps = (struct ureg_dst*) realloc(t->temps, |