28 lines
730 B
Diff
28 lines
730 B
Diff
From cf620065502f065d4ea44f5df4f81295a738aa21 Mon Sep 17 00:00:00 2001
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From: Andrew Tridgell <andrew@tridgell.net>
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Date: Thu, 14 Nov 2024 09:57:08 +1100
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Subject: [PATCH] prevent information leak off the stack
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prevent leak of uninitialised stack data in hash_search
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---
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match.c | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/match.c b/match.c
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index 36e78ed2..dfd6af2c 100644
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--- a/match.c
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+++ b/match.c
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@@ -147,6 +147,9 @@ static void hash_search(int f,struct sum_struct *s,
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int more;
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schar *map;
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+ // prevent possible memory leaks
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+ memset(sum2, 0, sizeof sum2);
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+
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/* want_i is used to encourage adjacent matches, allowing the RLL
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* coding of the output to work more efficiently. */
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want_i = 0;
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--
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2.34.1
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