Takashi Iwai
df7aaec981
- VUL-1: libsndfile DoS/divide-by-zero (CVE-2014-9756, bsc#953521): libsndfile-src-file_io.c-Prevent-potential-divide-by-zero.patch OBS-URL: https://build.opensuse.org/request/show/342399 OBS-URL: https://build.opensuse.org/package/show/multimedia:libs/libsndfile?expand=0&rev=47
23 lines
636 B
Diff
23 lines
636 B
Diff
From 725c7dbb95bfaf8b4bb7b04820e3a00cceea9ce6 Mon Sep 17 00:00:00 2001
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From: Erik de Castro Lopo <erikd@mega-nerd.com>
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Date: Wed, 24 Dec 2014 21:02:35 +1100
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Subject: [PATCH] src/file_io.c : Prevent potential divide-by-zero.
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Closes: https://github.com/erikd/libsndfile/issues/92
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---
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src/file_io.c | 3 +++
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1 file changed, 3 insertions(+)
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--- a/src/file_io.c
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+++ b/src/file_io.c
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@@ -358,6 +358,9 @@ psf_fwrite (const void *ptr, sf_count_t
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{ sf_count_t total = 0 ;
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ssize_t count ;
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+ if (bytes == 0 || items == 0)
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+ return 0 ;
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+
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if (psf->virtual_io)
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return psf->vio.write (ptr, bytes*items, psf->vio_user_data) / bytes ;
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