From: David CARLIER <devnexen@gmail.com>
To: musl@lists.openwall.com
Subject: [musl] [PATCH 1/1] reallocarray casting overflow check explicitally
Date: Mon, 10 May 2021 20:48:26 +0100 [thread overview]
Message-ID: <CA+XhMqy0tqvhNv35ZB9JV4FVfEMHE_gT8FeW_6An9Dv6khP7EQ@mail.gmail.com> (raw)
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From 04e3caa580cfe501ad00d85d63040de329962823 Mon Sep 17 00:00:00 2001
From: David Carlier <devnexen@gmail.com>
Date: Mon, 10 May 2021 20:45:12 +0100
Subject: [PATCH] reallocarray overflow check cast to size_t
---
src/malloc/reallocarray.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/malloc/reallocarray.c b/src/malloc/reallocarray.c
index 4a6ebe46..2556c917 100644
--- a/src/malloc/reallocarray.c
+++ b/src/malloc/reallocarray.c
@@ -4,7 +4,7 @@
void *reallocarray(void *ptr, size_t m, size_t n)
{
- if (n && m > -1 / n) {
+ if (n && m > (size_t)-1 / n) {
errno = ENOMEM;
return 0;
}
--
2.20.1
next reply other threads:[~2021-05-10 19:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-10 19:48 David CARLIER [this message]
2021-05-11 7:33 ` Szabolcs Nagy
2021-05-11 13:03 ` Rich Felker
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