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-rw-r--r--js/src/jit/shared/IonAssemblerBuffer.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/js/src/jit/shared/IonAssemblerBuffer.h b/js/src/jit/shared/IonAssemblerBuffer.h
index cc20e26d2..3a6552696 100644
--- a/js/src/jit/shared/IonAssemblerBuffer.h
+++ b/js/src/jit/shared/IonAssemblerBuffer.h
@@ -181,6 +181,10 @@ class AssemblerBuffer
protected:
virtual Slice* newSlice(LifoAlloc& a) {
+ if (size() > MaxCodeBytesPerProcess - sizeof(Slice)) {
+ fail_oom();
+ return nullptr;
+ }
Slice* tmp = static_cast<Slice*>(a.alloc(sizeof(Slice)));
if (!tmp) {
fail_oom();