32 lines
996 B
Diff
32 lines
996 B
Diff
From 405fc8998181353bd510864ca251dc233afec276 Mon Sep 17 00:00:00 2001
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From: Vitaly Chikunov <vt@altlinux.org>
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Date: Wed, 6 Jan 2021 23:43:41 +0300
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Subject: [PATCH] rpmio: Fix lzopen_internal mode parsing when 'Tn' is used
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When there is number after "T" (suggested number of threads or "0" for
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getncpus), lzopen_internal() mode parser would skip one byte, and when
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it's at the end of the string it would then parse undesired garbage from
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the memory, making intermittent compression failures.
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Fixes: 7740d1098 ("Add support for multithreaded xz compression")
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Signed-off-by: Vitaly Chikunov <vt@altlinux.org>
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---
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rpmio/rpmio.c | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/rpmio/rpmio.c b/rpmio/rpmio.c
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index ed1e25140..9d32ec6d9 100644
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--- a/rpmio/rpmio.c
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+++ b/rpmio/rpmio.c
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@@ -798,6 +798,7 @@ static LZFILE *lzopen_internal(const char *mode, int fd, int xz)
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* should've processed
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* */
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while (isdigit(*++mode));
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+ --mode;
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}
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#ifdef HAVE_LZMA_MT
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else
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--
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2.27.0
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