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-rw-r--r--extra/qt/fix-qtscript-crash.patch34
1 files changed, 34 insertions, 0 deletions
diff --git a/extra/qt/fix-qtscript-crash.patch b/extra/qt/fix-qtscript-crash.patch
new file mode 100644
index 000000000..97b1cc62d
--- /dev/null
+++ b/extra/qt/fix-qtscript-crash.patch
@@ -0,0 +1,34 @@
+From e6b7178bc2e62a37b4737695bced1b46bced9215 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?J=C4=99drzej=20Nowacki?= <jedrzej.nowacki@digia.com>
+Date: Mon, 22 Oct 2012 15:17:19 +0200
+Subject: [PATCH] Fix mmap usage.
+
+Add missing MAP_NORESERVE and fix error checking.
+
+Special thanks to Olivier JG for debugging the issue.
+
+Task-number: QTBUG-27322
+Change-Id: Ia9f4aa80415f0127318714912b524131a5b0f18a
+Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
+---
+ .../JavaScriptCore/jit/ExecutableAllocatorFixedVMPool.cpp | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/jit/ExecutableAllocatorFixedVMPool.cpp b/src/3rdparty/javascriptcore/JavaScriptCore/jit/ExecutableAllocatorFixedVMPool.cpp
+index 16d0fb1..e1237e4 100644
+--- a/src/3rdparty/javascriptcore/JavaScriptCore/jit/ExecutableAllocatorFixedVMPool.cpp
++++ b/src/3rdparty/javascriptcore/JavaScriptCore/jit/ExecutableAllocatorFixedVMPool.cpp
+@@ -305,8 +305,8 @@ public:
+ randomLocation += (1 << 24);
+ randomLocation <<= 21;
+ #endif
+- m_base = mmap(reinterpret_cast<void*>(randomLocation), m_totalHeapSize, INITIAL_PROTECTION_FLAGS, MAP_PRIVATE | MAP_ANON, VM_TAG_FOR_EXECUTABLEALLOCATOR_MEMORY, 0);
+- if (!m_base)
++ m_base = mmap(reinterpret_cast<void*>(randomLocation), m_totalHeapSize, INITIAL_PROTECTION_FLAGS, MAP_PRIVATE | MAP_ANON | MAP_NORESERVE, VM_TAG_FOR_EXECUTABLEALLOCATOR_MEMORY, 0);
++ if (m_base == MAP_FAILED)
+ CRASH();
+
+ // For simplicity, we keep all memory in m_freeList in a 'released' state.
+--
+1.8.0
+