guix-devel/gnu/packages/patches/icecat-CVE-2015-4492.patch

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From 9d5f21ee3a754d20bca4513f55553ea6694a7b25 Mon Sep 17 00:00:00 2001
From: Andrea Marchesini <amarchesini@mozilla.com>
Date: Wed, 29 Jul 2015 16:10:15 -0400
Subject: [PATCH] Bug 1185820 - XMLHttpRequest::Open() in worker should count
the recursion using a uint32_t and not a boolean. r=khuey, a=lmandel
--HG--
extra : transplant_source : %8F%89%24%FF%A1%F7d%5B%BE%E9%FC3%C6%E1%AC%27r%5Eq%16
extra : histedit_source : 5857f0cedf1cfb5361e6f404a094719814a2b415
---
dom/workers/XMLHttpRequest.cpp | 20 +++++++++++---------
1 file changed, 11 insertions(+), 9 deletions(-)
diff --git a/dom/workers/XMLHttpRequest.cpp b/dom/workers/XMLHttpRequest.cpp
index aac97ab..7099279 100644
--- a/dom/workers/XMLHttpRequest.cpp
+++ b/dom/workers/XMLHttpRequest.cpp
@@ -100,6 +100,7 @@ public:
// Only touched on the worker thread.
uint32_t mOuterEventStreamId;
uint32_t mOuterChannelId;
+ uint32_t mOpenCount;
uint64_t mLastLoaded;
uint64_t mLastTotal;
uint64_t mLastUploadLoaded;
@@ -109,7 +110,6 @@ public:
bool mLastUploadLengthComputable;
bool mSeenLoadStart;
bool mSeenUploadLoadStart;
- bool mOpening;
// Only touched on the main thread.
bool mUploadEventListenersAttached;
@@ -122,10 +122,10 @@ public:
: mWorkerPrivate(nullptr), mXMLHttpRequestPrivate(aXHRPrivate),
mMozAnon(aMozAnon), mMozSystem(aMozSystem),
mInnerEventStreamId(0), mInnerChannelId(0), mOutstandingSendCount(0),
- mOuterEventStreamId(0), mOuterChannelId(0), mLastLoaded(0), mLastTotal(0),
- mLastUploadLoaded(0), mLastUploadTotal(0), mIsSyncXHR(false),
+ mOuterEventStreamId(0), mOuterChannelId(0), mOpenCount(0), mLastLoaded(0),
+ mLastTotal(0), mLastUploadLoaded(0), mLastUploadTotal(0), mIsSyncXHR(false),
mLastLengthComputable(false), mLastUploadLengthComputable(false),
- mSeenLoadStart(false), mSeenUploadLoadStart(false), mOpening(false),
+ mSeenLoadStart(false), mSeenUploadLoadStart(false),
mUploadEventListenersAttached(false), mMainThreadSeenLoadStart(false),
mInOpen(false), mArrayBufferResponseWasTransferred(false)
{ }
@@ -1850,7 +1850,7 @@ XMLHttpRequest::SendInternal(const nsAString& aStringBody,
mWorkerPrivate->AssertIsOnWorkerThread();
// No send() calls when open is running.
- if (mProxy->mOpening) {
+ if (mProxy->mOpenCount) {
aRv.Throw(NS_ERROR_FAILURE);
return;
}
@@ -1945,15 +1945,17 @@ XMLHttpRequest::Open(const nsACString& aMethod, const nsAString& aUrl,
mBackgroundRequest, mWithCredentials,
mTimeout);
- mProxy->mOpening = true;
+ ++mProxy->mOpenCount;
if (!runnable->Dispatch(mWorkerPrivate->GetJSContext())) {
- mProxy->mOpening = false;
- ReleaseProxy();
+ if (!--mProxy->mOpenCount) {
+ ReleaseProxy();
+ }
+
aRv.Throw(NS_ERROR_FAILURE);
return;
}
- mProxy->mOpening = false;
+ --mProxy->mOpenCount;
mProxy->mIsSyncXHR = !aAsync;
}
--
2.4.3