Title: [197562] releases/WebKitGTK/webkit-2.4/Source/_javascript_Core/interpreter/JSStack.cpp
- Revision
- 197562
- Author
- [email protected]
- Date
- 2016-03-04 05:26:02 -0800 (Fri, 04 Mar 2016)
Log Message
Merge r193648 - Crashes on PPC64 due to mprotect() on address not aligned to the page size
https://bugs.webkit.org/show_bug.cgi?id=130237
Reviewed by Mark Lam.
Make sure that commitSize is at least as big as the page size.
* interpreter/JSStack.cpp:
(JSC::commitSize):
(JSC::JSStack::JSStack):
(JSC::JSStack::growSlowCase):
* interpreter/JSStack.h:
Modified Paths
Diff
Modified: releases/WebKitGTK/webkit-2.4/Source/_javascript_Core/interpreter/JSStack.cpp (197561 => 197562)
--- releases/WebKitGTK/webkit-2.4/Source/_javascript_Core/interpreter/JSStack.cpp 2016-03-04 13:20:00 UTC (rev 197561)
+++ releases/WebKitGTK/webkit-2.4/Source/_javascript_Core/interpreter/JSStack.cpp 2016-03-04 13:26:02 UTC (rev 197562)
@@ -142,7 +142,7 @@
void JSStack::disableErrorStackReserve()
{
- char* useableEnd = reinterpret_cast<char*>(reservationEnd()) + commitSize;
+ char* useableEnd = reinterpret_cast<char*>(reservationEnd()) + commitSize();
m_useableEnd = reinterpret_cast_ptr<Register*>(useableEnd);
// By the time we get here, we are guaranteed to be destructing the last
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