diff options
| -rw-r--r-- | js/src/jit/x86-shared/AssemblerBuffer-x86-shared.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/js/src/jit/x86-shared/AssemblerBuffer-x86-shared.h b/js/src/jit/x86-shared/AssemblerBuffer-x86-shared.h index 8cb5577848..8343579c81 100644 --- a/js/src/jit/x86-shared/AssemblerBuffer-x86-shared.h +++ b/js/src/jit/x86-shared/AssemblerBuffer-x86-shared.h @@ -93,7 +93,8 @@ namespace jit { void ensureSpace(size_t space) { - if (MOZ_UNLIKELY(!m_buffer.reserve(m_buffer.length() + space))) + if (MOZ_UNLIKELY(m_buffer.length() > (SIZE_MAX - space) || + !m_buffer.reserve(m_buffer.length() + space))) oomDetected(); } |