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c037a0f7ce
WARNING: CVE-2015-4473 may not be fully addressed here, because I was unable to backport some of the patches (for upstream bugs 1182711 and 1146213). I was also unable to backport CVE-2015-4484 (upstream bug 1171540) and CVE-2015-4487 (upstream bug 1171603). I was unable to find any commit in the upstream repository that claims to address bug 1105914 (CVE-2015-4478). * gnu/packages/patches/icecat-CVE-2015-4473-partial.patch, gnu/packages/patches/icecat-CVE-2015-4482.patch, gnu/packages/patches/icecat-CVE-2015-4488.patch, gnu/packages/patches/icecat-CVE-2015-4489.patch, gnu/packages/patches/icecat-CVE-2015-4491.patch, gnu/packages/patches/icecat-CVE-2015-4492.patch: New files. * gnu-system.am (dist_patch_DATA): Add them. * gnu/packages/gnuzilla.scm (icecat)[source]: Add patches.
120 lines
3.7 KiB
Diff
120 lines
3.7 KiB
Diff
Backported to icecat-31.8 from the upstream esr38 branch.
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From 1a7eac06fab3b8ffca09936498887f99e233bcba Mon Sep 17 00:00:00 2001
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From: Randell Jesup <rjesup@jesup.org>
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Date: Thu, 9 Jul 2015 20:18:34 -0400
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Subject: [PATCH] Bug 1178890 - Update timer arrays after sleep to account for
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time sleeping. r=bwc, r=froydnj, a=sledru
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--- icecat-31.8.0/xpcom/threads/TimerThread.cpp.orig 1969-12-31 19:00:00.000000000 -0500
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+++ icecat-31.8.0/xpcom/threads/TimerThread.cpp 2015-08-12 16:38:11.789371171 -0400
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@@ -28,7 +28,8 @@
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mShutdown(false),
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mWaiting(false),
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mNotified(false),
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- mSleeping(false)
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+ mSleeping(false),
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+ mLastTimerEventLoopRun(TimeStamp::Now())
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{
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}
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@@ -222,6 +223,7 @@
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} else {
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waitFor = PR_INTERVAL_NO_TIMEOUT;
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TimeStamp now = TimeStamp::Now();
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+ mLastTimerEventLoopRun = now;
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nsTimerImpl *timer = nullptr;
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if (!mTimers.IsEmpty()) {
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@@ -411,6 +413,7 @@
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// This function must be called from within a lock
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int32_t TimerThread::AddTimerInternal(nsTimerImpl *aTimer)
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{
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+ mMonitor.AssertCurrentThreadOwns();
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if (mShutdown)
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return -1;
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@@ -434,6 +437,7 @@
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bool TimerThread::RemoveTimerInternal(nsTimerImpl *aTimer)
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{
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+ mMonitor.AssertCurrentThreadOwns();
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if (!mTimers.RemoveElement(aTimer))
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return false;
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@@ -443,6 +447,10 @@
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void TimerThread::ReleaseTimerInternal(nsTimerImpl *aTimer)
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{
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+ if (!mShutdown) {
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+ // copied to a local array before releasing in shutdown
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+ mMonitor.AssertCurrentThreadOwns();
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+ }
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// Order is crucial here -- see nsTimerImpl::Release.
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aTimer->mArmed = false;
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NS_RELEASE(aTimer);
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@@ -450,21 +458,39 @@
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void TimerThread::DoBeforeSleep()
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{
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+ // Mainthread
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+ MonitorAutoLock lock(mMonitor);
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+ mLastTimerEventLoopRun = TimeStamp::Now();
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mSleeping = true;
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}
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+// Note: wake may be notified without preceding sleep notification
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void TimerThread::DoAfterSleep()
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{
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- mSleeping = true; // wake may be notified without preceding sleep notification
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+ // Mainthread
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+ TimeStamp now = TimeStamp::Now();
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+
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+ MonitorAutoLock lock(mMonitor);
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+
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+ // an over-estimate of time slept, usually small
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+ TimeDuration slept = now - mLastTimerEventLoopRun;
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+
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+ // Adjust all old timers to expire roughly similar times in the future
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+ // compared to when we went to sleep, by adding the time we slept to the
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+ // target time. It's slightly possible a few will end up slightly in the
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+ // past and fire immediately, but ordering should be preserved. All
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+ // timers retain the exact same order (and relative times) as before
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+ // going to sleep.
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for (uint32_t i = 0; i < mTimers.Length(); i ++) {
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nsTimerImpl *timer = mTimers[i];
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- // get and set the delay to cause its timeout to be recomputed
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- uint32_t delay;
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- timer->GetDelay(&delay);
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- timer->SetDelay(delay);
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+ timer->mTimeout += slept;
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}
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-
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mSleeping = false;
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+ mLastTimerEventLoopRun = now;
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+
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+ // Wake up the timer thread to process the updated array
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+ mNotified = true;
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+ mMonitor.Notify();
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}
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--- icecat-31.8.0/xpcom/threads/TimerThread.h.orig 1969-12-31 19:00:00.000000000 -0500
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+++ icecat-31.8.0/xpcom/threads/TimerThread.h 2015-08-12 16:38:38.542408062 -0400
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@@ -59,7 +59,7 @@
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mozilla::Atomic<bool> mInitInProgress;
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bool mInitialized;
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- // These two internal helper methods must be called while mLock is held.
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+ // These two internal helper methods must be called while mMonitor is held.
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// AddTimerInternal returns the position where the timer was added in the
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// list, or -1 if it failed.
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int32_t AddTimerInternal(nsTimerImpl *aTimer);
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@@ -73,6 +73,7 @@
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bool mWaiting;
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bool mNotified;
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bool mSleeping;
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+ TimeStamp mLastTimerEventLoopRun;
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nsTArray<nsTimerImpl*> mTimers;
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};
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