Add size checks to WebGLContext::BufferData().
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b559809cbc
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@ -9,6 +9,8 @@
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#include "WebGLBuffer.h"
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#include "WebGLBuffer.h"
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#include "WebGLVertexArray.h"
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#include "WebGLVertexArray.h"
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#include "mozilla/CheckedInt.h"
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namespace mozilla {
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namespace mozilla {
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WebGLRefPtr<WebGLBuffer>*
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WebGLRefPtr<WebGLBuffer>*
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@ -345,6 +347,16 @@ WebGLContext::BufferData(GLenum target, WebGLsizeiptr size, GLenum usage)
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////
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////
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const auto checkedSize = CheckedInt<size_t>(size);
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if (!checkedSize.isValid())
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return ErrorOutOfMemory("%s: Size too large for platform.", funcName);
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#if defined(XP_MACOSX)
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if (gl->WorkAroundDriverBugs() && size > 1200000000) {
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return ErrorOutOfMemory("Allocations larger than 1200000000 fail on MacOS.");
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}
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#endif
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const UniqueBuffer zeroBuffer(calloc(size, 1));
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const UniqueBuffer zeroBuffer(calloc(size, 1));
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if (!zeroBuffer)
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if (!zeroBuffer)
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return ErrorOutOfMemory("%s: Failed to allocate zeros.", funcName);
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return ErrorOutOfMemory("%s: Failed to allocate zeros.", funcName);
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