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Avoid crash on unexpected "saved dimensions" loading Labels

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This commit is contained in:
Bill Kendrick 2022-04-06 01:32:21 -07:00
parent 7db784ce88
commit fb596fb887
2 changed files with 15 additions and 3 deletions
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13
src/tuxpaint.c
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@ -22,7 +22,7 @@
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
(See COPYING.txt)
June 14, 2002 - April 2, 2022
June 14, 2002 - April 6, 2022
*/
#include "platform.h"
@ -24403,6 +24403,17 @@ static void load_info_about_label_surface(FILE * lfi)
#ifdef DEBUG
printf("Original label size %dx%d\n", new_node->save_width, new_node->save_height);
#endif
if (new_node->save_width > 8192 || new_node->save_height > 8192)
{
fprintf(stderr, "Unexpected! Save dimensions are (%u x %u!)\n", new_node->save_width, new_node->save_height);
free(new_node);
free(wtmpstr);
#ifdef WIN32
free(tmpstr);
#endif
fclose(lfi);
return;
}
/* Read the label's font */
tmp_fscanf_return = fscanf(lfi, "%d\n", &new_node->save_cur_font);