Index: base/third_party/symbolize/symbolize.cc |
diff --git a/base/third_party/symbolize/symbolize.cc b/base/third_party/symbolize/symbolize.cc |
index b25f7479d0df09f0c9dd87637df1a929124fed41..f4861dfe523e7cd7e157603fddb4da6d513c688a 100644 |
--- a/base/third_party/symbolize/symbolize.cc |
+++ b/base/third_party/symbolize/symbolize.cc |
@@ -651,7 +651,8 @@ char *itoa_r(intptr_t i, char *buf, size_t sz, int base, size_t padding) { |
// Handle negative numbers (only for base 10). |
if (i < 0 && base == 10) { |
- j = -i; |
+ // This does "j = -i" while avoiding integer overflow. |
+ j = static_cast<uintptr_t>(-(i + 1)) + 1; |
// Make sure we can write the '-' character. |
if (++n > sz) { |