limit taken pictures to avoid integer overfglows (AFL)

2020-06-06 10:10:43 +02:00
parent a6573a276d
commit 174943496a
1 changed files with 3 additions and 0 deletions
--- a/camlibs/soundvision/agfa_cl18.c
+++ b/camlibs/soundvision/agfa_cl18.c
@@ -133,6 +133,9 @@ int agfa_delete_picture(CameraPrivateLibrary *dev, const char *filename) {
    taken=soundvision_photos_taken(dev);
    taken=soundvision_photos_taken(dev);
    taken=soundvision_photos_taken(dev);
+
+    if (taken > ((1<<31) / 13 ))
+       return GP_ERROR_NO_MEMORY;
    
    buflen = (taken * 13)+1;  /* 12 char filenames and space for each */
                              /* plus trailing NULL */