diff options
Diffstat (limited to 'media-libs/libwmf/files/libwmf-0.2.8.4-intoverflow.patch')
| -rw-r--r-- | media-libs/libwmf/files/libwmf-0.2.8.4-intoverflow.patch | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/media-libs/libwmf/files/libwmf-0.2.8.4-intoverflow.patch b/media-libs/libwmf/files/libwmf-0.2.8.4-intoverflow.patch new file mode 100644 index 000000000000..507fe66223ce --- /dev/null +++ b/media-libs/libwmf/files/libwmf-0.2.8.4-intoverflow.patch @@ -0,0 +1,27 @@ +--- libwmf-0.2.8.4.orig/src/player.c 2002-12-10 19:30:26.000000000 +0000 ++++ libwmf-0.2.8.4/src/player.c 2006-07-12 15:12:52.000000000 +0100 +@@ -42,6 +42,7 @@ + #include "player/defaults.h" /* Provides: default settings */ + #include "player/record.h" /* Provides: parameter mechanism */ + #include "player/meta.h" /* Provides: record interpreters */ ++#include <stdint.h> + + /** + * @internal +@@ -132,8 +134,14 @@ + } + } + +-/* P->Parameters = (unsigned char*) wmf_malloc (API,(MAX_REC_SIZE(API)-3) * 2 * sizeof (unsigned char)); +- */ P->Parameters = (unsigned char*) wmf_malloc (API,(MAX_REC_SIZE(API) ) * 2 * sizeof (unsigned char)); ++ if (MAX_REC_SIZE(API) > UINT32_MAX / 2) ++ { ++ API->err = wmf_E_InsMem; ++ WMF_DEBUG (API,"bailing..."); ++ return (API->err); ++ } ++ ++ P->Parameters = (unsigned char*) wmf_malloc (API,(MAX_REC_SIZE(API) ) * 2 * sizeof (unsigned char)); + + if (ERR (API)) + { WMF_DEBUG (API,"bailing..."); |