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28 lines
1.1 KiB
Diff
28 lines
1.1 KiB
Diff
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From 1a03e7aec95d89c659fd91f195b99893b6458cd7 Mon Sep 17 00:00:00 2001
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From: Adenilson Cavalcanti <adenilson.cavalcanti@arm.com>
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Date: Wed, 27 Sep 2017 13:59:04 -0700
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Subject: [PATCH] Zlib patch: prevent uninitialized use of state->check
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No need to call the Adler32 checksum function, just set
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the struct field to the expected value.
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Upstream bug: madler/zlib#245
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---
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third_party/zlib/inflate.c | 2 +-
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1 files changed, 1 insertion(+), 1 deletions(-)
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delete mode 100644 third_party/zlib/patches/0002-uninitializedcheck.patch
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diff --git a/third_party/zlib/inflate.c b/third_party/zlib/inflate.c
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index bec9497..5c40cf1 100644
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--- a/third_party/zlib/inflate.c
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+++ b/third_party/zlib/inflate.c
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@@ -228,7 +228,7 @@ int stream_size;
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state->strm = strm;
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state->window = Z_NULL;
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state->mode = HEAD; /* to pass state test in inflateReset2() */
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- state->check = adler32(0L, Z_NULL, 0);
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+ state->check = 1L; /* 1L is the result of adler32() zero length data */
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ret = inflateReset2(strm, windowBits);
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if (ret != Z_OK) {
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ZFREE(strm, state);
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