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From fde6d79fb8363c4a329a184ef0b107156602b225 Mon Sep 17 00:00:00 2001
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From: Wim Taymans <wtaymans@redhat.com>
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Date: Thu, 27 Sep 2018 10:48:45 +0200
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Subject: [PATCH] ModuleState: handle compress/decompress init failure
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When the unit initcompress or initdecompress function fails,
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m_fileModule is NULL. Return AF_FAIL in that case instead of
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causing NULL pointer dereferences later.
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Fixes #49
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---
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 libaudiofile/modules/ModuleState.cpp | 3 +++
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 1 file changed, 3 insertions(+)
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diff --git a/libaudiofile/modules/ModuleState.cpp b/libaudiofile/modules/ModuleState.cpp
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index 0c29d7a..070fd9b 100644
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--- a/libaudiofile/modules/ModuleState.cpp
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+++ b/libaudiofile/modules/ModuleState.cpp
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@@ -75,6 +75,9 @@ status ModuleState::initFileModule(AFfilehandle file, Track *track)
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 		m_fileModule = unit->initcompress(track, file->m_fh, file->m_seekok,
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 			file->m_fileFormat == AF_FILE_RAWDATA, &chunkFrames);
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+	if (!m_fileModule)
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+		return AF_FAIL;
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+
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 	if (unit->needsRebuffer)
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 	{
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 		assert(unit->nativeSampleFormat == AF_SAMPFMT_TWOSCOMP);