fix mem_size overflow

fix-mem_size-overflow.patch

@@ -0,0 +1,41 @@
+From 299246408d3442a3240ccf25ce31c08ecee64766 Mon Sep 17 00:00:00 2001
+From: wu-leilei <wu18740459704@163.com>
+Date: Mon, 20 Dec 2021 10:14:35 +0800
+Subject: [PATCH] fix mem_size overflow
+
+---
+ alloc.h | 11 +++++++++++
+ 1 file changed, 11 insertions(+)
+
+diff --git a/alloc.h b/alloc.h
+index 34a05f4..89cb727 100644
+--- a/alloc.h
++++ b/alloc.h
+@@ -33,6 +33,11 @@
+ 
+ #include <stddef.h> /* for size_t */
+ 
++#ifndef _WIN32
++#include <sys/sysinfo.h>
++#include <linux/kernel.h>
++#endif
++
+ #ifdef __cplusplus
+ extern "C" {
+ #endif
+@@ -55,6 +60,12 @@ void hiredisResetAllocators(void);
+ extern hiredisAllocFuncs hiredisAllocFns;
+ 
+ static inline void *hi_malloc(size_t size) {
++#ifndef _WIN32
++    struct sysinfo s_info;
++    int error;
++    if((error = sysinfo(&s_info)) < 0) return NULL;
++    if(s_info.totalram < size) return NULL;
++#endif
+     return hiredisAllocFns.mallocFn(size);
+ }
+ 
+-- 
+2.23.0
+

hiredis.spec

@@ -1,6 +1,6 @@
 Name:           hiredis
 Version:        1.0.2
-Release:        1
+Release:        2
 Summary:        A minimalistic C client library for the Redis database
 License:        BSD
 URL:            https://github.com/redis/hiredis
@@ -8,6 +8,7 @@ Source0:        https://github.com/redis/hiredis/archive/refs/tags/v%{version}.t
 BuildRequires:  gcc redis
 
 Patch0001:      fix-heap-buffer-overflow-in-redisvFormatCommand.patch
+Patch0002:      fix-mem_size-overflow.patch
 
 %description
 Hiredis is a minimalistic C client library for the Redis database.
@@ -60,6 +61,9 @@ make check || true
 %{_libdir}/pkgconfig/hiredis.pc
 
 %changelog
+* Mon Dec 20 2021 wulei<wulei80@huawei.com> - 1.0.2-2
+- Fix mem_size overflow
+
 * Mon Oct 11 2021 houyingchao<houyingchao@huawei.com> - 1.0.2-1
 - Fix CVE-2021-32765