Bug fix: Double free if a boot image has no extents. Coverity CID 12598.

7 years ago · 2b6071b445
parent fc448e09c9
commit 2b6071b445
1 changed files with 3 additions and 1 deletions
--- a/libisofs/fs_image.c
+++ b/libisofs/fs_image.c
@ -4860,8 +4860,10 @@ int iso_impsysa_reduce_next_above(IsoImage *image, uint32_t block,
        if (ret > 0 && section_count > 0)
            if (block != sections[0].block)
                iso_impsysa_reduce_na(block, next_above, sections[0].block);
-        if (sections != NULL)
+        if (sections != NULL) {
            free(sections);
+            sections = NULL;
+        }
    }

    iso_impsysa_reduce_na(block, next_above, sai->image_size);