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ede59966d9
Use json_vsprintf from versions which contain fix for va_copy leak. Apply fixes from jansson master: * va_copy leak fix. * Avoid potential invalid memory read in json_pack. * Rename variable that shadowed another. Change-Id: I7522e462d2a52f53010ffa1e7d705c666ec35539
39 lines
837 B
Diff
39 lines
837 B
Diff
From aed855e6920923898b94a1b922fbace27a34ddf2 Mon Sep 17 00:00:00 2001
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From: Petri Lehtinen <petri@digip.org>
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Date: Mon, 9 Jul 2018 22:26:35 +0300
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Subject: [PATCH 22/29] Avoid invalid memory read in json_pack()
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Initial patch by @bharjoc-bitdefender
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Fixes #421
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---
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src/pack_unpack.c | 5 ++++-
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1 file changed, 4 insertions(+), 1 deletion(-)
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diff --git a/src/pack_unpack.c b/src/pack_unpack.c
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index 6461c06..b842772 100644
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--- a/src/pack_unpack.c
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+++ b/src/pack_unpack.c
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@@ -75,6 +75,9 @@ static void next_token(scanner_t *s)
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return;
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}
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+ if (!token(s) && !*s->fmt)
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+ return;
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+
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t = s->fmt;
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s->column++;
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s->pos++;
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@@ -97,7 +100,7 @@ static void next_token(scanner_t *s)
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s->token.column = s->column;
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s->token.pos = s->pos;
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- t++;
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+ if (*t) t++;
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s->fmt = t;
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}
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--
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2.17.1
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