25 lines
856 B
Diff
25 lines
856 B
Diff
From 75690b2683667be5535ac6243438115dc9c40f6a Mon Sep 17 00:00:00 2001
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From: Florian Mayer <fmayer@google.com>
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Date: Wed, 16 Mar 2022 16:38:36 -0700
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Subject: [PATCH] Fix out of bounds in infcover.c.
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---
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test/infcover.c | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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diff --git a/test/infcover.c b/test/infcover.c
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index 2be01646c..a6d83693c 100644
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--- a/test/infcover.c
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+++ b/test/infcover.c
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@@ -373,7 +373,9 @@ local void cover_support(void)
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mem_setup(&strm);
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strm.avail_in = 0;
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strm.next_in = Z_NULL;
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- ret = inflateInit_(&strm, ZLIB_VERSION - 1, (int)sizeof(z_stream));
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+ char versioncpy[] = ZLIB_VERSION;
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+ versioncpy[0] -= 1;
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+ ret = inflateInit_(&strm, versioncpy, (int)sizeof(z_stream));
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assert(ret == Z_VERSION_ERROR);
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mem_done(&strm, "wrong version");
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