diff options
Diffstat (limited to 'patch-delta.c')
| -rw-r--r-- | patch-delta.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/patch-delta.c b/patch-delta.c index d218faa..56e0a5e 100644 --- a/patch-delta.c +++ b/patch-delta.c @@ -48,7 +48,7 @@ void *patch_delta(const void *src_buf, unsigned long src_size, if (cmd & 0x20) cp_size |= (*data++ << 8); if (cmd & 0x40) cp_size |= (*data++ << 16); if (cp_size == 0) cp_size = 0x10000; - if (cp_off + cp_size < cp_size || + if (unsigned_add_overflows(cp_off, cp_size) || cp_off + cp_size > src_size || cp_size > size) break; |