31 lines
821 B
Diff
31 lines
821 B
Diff
From b3537ced353579b59e2421645707e9aeda64ff29 Mon Sep 17 00:00:00 2001
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From: Veronika Hanulikova <vhanulik@redhat.com>
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Date: Wed, 16 Feb 2022 11:59:27 +0100
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Subject: [PATCH] Fix usage of pointer after realloc
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---
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src/sm/sm-iso.c | 5 +++--
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1 file changed, 3 insertions(+), 2 deletions(-)
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diff --git a/src/sm/sm-iso.c b/src/sm/sm-iso.c
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index 5baded77c6..2c3f6bcabd 100644
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--- a/src/sm/sm-iso.c
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+++ b/src/sm/sm-iso.c
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@@ -181,13 +181,14 @@ static int format_le(size_t le, struct sc_asn1_entry *le_entry,
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static int prefix_buf(u8 prefix, u8 *buf, size_t buflen, u8 **cat)
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{
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- u8 *p;
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+ u8 *p = NULL;
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+ int ptr_same = *cat == buf;
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p = realloc(*cat, buflen + 1);
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if (!p)
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return SC_ERROR_OUT_OF_MEMORY;
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- if (*cat == buf) {
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+ if (ptr_same) {
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memmove(p + 1, p, buflen);
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} else {
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/* Flawfinder: ignore */
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