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43 lines
1.2 KiB
43 lines
1.2 KiB
From 43f2c1076467570fbd999116eb42266ec2b6cc78 Mon Sep 17 00:00:00 2001
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Message-ID: <43f2c1076467570fbd999116eb42266ec2b6cc78.1735230633.git.mjg@fedoraproject.org>
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From: Sebastian Rasmussen <sebras@gmail.com>
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Date: Mon, 2 Sep 2024 22:06:32 +0200
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Subject: [PATCH] Bug 707996: Declare variable fz_var to avoid stale values.
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A fuzzed file provoked an ASAN warning when building release mode.
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For good measure, also declare a variable in an unrelated function
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in the same tool fz_var.
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(cherry picked from commit b5c898a30f068b5342e8263a2cd5b9f0be291aac)
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---
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source/tools/pdfextract.c | 5 ++++-
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1 file changed, 4 insertions(+), 1 deletion(-)
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diff --git a/source/tools/pdfextract.c b/source/tools/pdfextract.c
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index 0b42e9189..dc1f2c23f 100644
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--- a/source/tools/pdfextract.c
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+++ b/source/tools/pdfextract.c
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@@ -119,6 +119,7 @@ static void saveimage(pdf_obj *ref)
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int type;
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fz_var(image);
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+ fz_var(mask);
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fz_var(pix);
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fz_try(ctx)
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@@ -252,7 +253,9 @@ static void savefont(pdf_obj *dict)
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static void extractobject(int num)
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{
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- pdf_obj *ref;
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+ pdf_obj *ref = NULL;
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+
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+ fz_var(ref);
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if (!doc)
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fz_throw(ctx, FZ_ERROR_GENERIC, "no file specified");
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--
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2.48.0.rc0.310.g2fcc1078a8
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