Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(725)

Unified Diff: src/images/SkImageDecoder_libico.cpp

Issue 505153003: Fix overflow when comparing two ints by promoting the sum to 64-bits. (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 6 years, 4 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « no previous file | no next file » | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: src/images/SkImageDecoder_libico.cpp
diff --git a/src/images/SkImageDecoder_libico.cpp b/src/images/SkImageDecoder_libico.cpp
index 90058d679af3ae2450d827a2bc8e212ab5183b4c..71e1d4132790978e3c0aeb0f9ab6454e158d0e88 100644
--- a/src/images/SkImageDecoder_libico.cpp
+++ b/src/images/SkImageDecoder_libico.cpp
@@ -154,7 +154,7 @@ bool SkICOImageDecoder::onDecode(SkStream* stream, SkBitmap* bm, Mode mode)
//int fakeBitCount = read2Bytes(buf, 12 + choice*16); //should be real - usually 0
const size_t size = read4Bytes(buf, 14 + choice*16); //matters?
const size_t offset = read4Bytes(buf, 18 + choice*16);
- if ((offset + size) > length) {
+ if (((uint64_t)offset + size) > length) {
reed1 2014/08/26 14:48:23 I suggest a comment to explain why we're using the
return false;
}
« no previous file with comments | « no previous file | no next file » | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698