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authorMatthias Clasen <matthiasc@src.gnome.org>2002-03-21 00:31:23 +0000
committerMatthias Clasen <matthiasc@src.gnome.org>2002-03-21 00:31:23 +0000
commit3b7193dd8bc775557f1e6f89c85b7f7df6592395 (patch)
tree41febb0e34d018445e8f464a9f867aee8d4dc9ef /gdk-pixbuf
parent22b1b079ef3c55c7a3e6f2bdb873130596b3456d (diff)
downloadgdk-pixbuf-3b7193dd8bc775557f1e6f89c85b7f7df6592395.tar.gz
Avoid a double free error if reading the colormap fails.
* io-tga.c (try_colormap, gdk_pixbuf__tga_stop_load): Avoid a double free error if reading the colormap fails. * io-tiff.c (tiff_image_parse): Make TIFFReadRGBAImage stop on errors, since it may otherwise segfault on certain bad TIFFs.
Diffstat (limited to 'gdk-pixbuf')
-rw-r--r--gdk-pixbuf/io-tga.c23
-rw-r--r--gdk-pixbuf/io-tiff.c2
2 files changed, 13 insertions, 12 deletions
diff --git a/gdk-pixbuf/io-tga.c b/gdk-pixbuf/io-tga.c
index 716f56ab5..69c55faa8 100644
--- a/gdk-pixbuf/io-tga.c
+++ b/gdk-pixbuf/io-tga.c
@@ -622,7 +622,6 @@ static gboolean try_colormap(TGAContext *ctx, GError **err)
if (!ctx->cmap->cols) {
g_set_error(err, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_INSUFFICIENT_MEMORY,
_("Can't allocate colormap entries"));
- g_free(ctx->cmap);
return FALSE;
}
@@ -645,8 +644,6 @@ static gboolean try_colormap(TGAContext *ctx, GError **err)
g_set_error(err, GDK_PIXBUF_ERROR,
GDK_PIXBUF_ERROR_CORRUPT_IMAGE,
_("Unexpected bitdepth for colormap entries"));
- g_free(ctx->cmap->cols);
- g_free(ctx->cmap);
return FALSE;
}
}
@@ -874,19 +871,23 @@ static gboolean gdk_pixbuf__tga_stop_load(gpointer data, GError **err)
TGAContext *ctx = (TGAContext *) data;
g_return_val_if_fail(ctx != NULL, FALSE);
- g_free(ctx->hdr);
- if (ctx->cmap)
- g_free(ctx->cmap);
+ if (ctx->hdr)
+ g_free (ctx->hdr);
+ if (ctx->cmap) {
+ if (ctx->cmap->cols)
+ g_free (ctx->cmap->cols);
+ g_free (ctx->cmap);
+ }
if (ctx->pbuf)
- g_object_unref(ctx->pbuf);
+ g_object_unref (ctx->pbuf);
if (ctx->in->size)
- ctx->in = io_buffer_free_segment(ctx->in, ctx->in->size, err);
+ ctx->in = io_buffer_free_segment (ctx->in, ctx->in->size, err);
if (!ctx->in) {
- g_free(ctx);
+ g_free (ctx);
return FALSE;
}
- io_buffer_free(ctx->in);
- g_free(ctx);
+ io_buffer_free (ctx->in);
+ g_free (ctx);
return TRUE;
}
diff --git a/gdk-pixbuf/io-tiff.c b/gdk-pixbuf/io-tiff.c
index d0de10637..ff4a3dab1 100644
--- a/gdk-pixbuf/io-tiff.c
+++ b/gdk-pixbuf/io-tiff.c
@@ -195,7 +195,7 @@ tiff_image_parse (TIFF *tiff, TiffContext *context, GError **error)
return NULL;
}
- if (!TIFFReadRGBAImage (tiff, w, h, rast, 0) || global_error) {
+ if (!TIFFReadRGBAImage (tiff, w, h, rast, 1) || global_error) {
tiff_set_error (error,
GDK_PIXBUF_ERROR_FAILED,
_("Failed to load RGB data from TIFF file"));