fix large bin index accessed through cache bin descriptor

backport-Jemalloc-5.2.1-patch-1-fix-large-bin-index-accessed-through-cache-bin-descriptor.patch

@@ -0,0 +1,19 @@
+diff -Nur jemalloc-5.2.1/src/arena.c tmp/src/arena.c
+--- jemalloc-5.2.1/src/arena.c	2019-08-06 04:02:00.000000000 +0800
++++ tmp/src/arena.c	2021-11-03 10:23:41.243648055 +0800
+@@ -199,13 +199,12 @@
+ 	malloc_mutex_lock(tsdn, &arena->tcache_ql_mtx);
+ 	cache_bin_array_descriptor_t *descriptor;
+ 	ql_foreach(descriptor, &arena->cache_bin_array_descriptor_ql, link) {
+-		szind_t i = 0;
+-		for (; i < SC_NBINS; i++) {
++		for (szind_t i = 0; i < SC_NBINS; i++) {
+ 			cache_bin_t *tbin = &descriptor->bins_small[i];
+ 			arena_stats_accum_zu(&astats->tcache_bytes,
+ 			    tbin->ncached * sz_index2size(i));
+ 		}
+-		for (; i < nhbins; i++) {
++		for (szind_t i = 0; i < nhbins - SC_NBINS; i++) {
+ 			cache_bin_t *tbin = &descriptor->bins_large[i];
+ 			arena_stats_accum_zu(&astats->tcache_bytes,
+ 			    tbin->ncached * sz_index2size(i));

jemalloc.spec

@@ -12,12 +12,13 @@
 
 Name:           jemalloc
 Version:        5.2.1
-Release:        1
+Release:        2
 Summary:        General-purpose scalable concurrent malloc implementation
 License:        BSD
 URL:            http://www.canonware.com/jemalloc/
 Source0:        https://github.com/jemalloc/%{name}/releases/download/%{version}/%{name}-%{version}.tar.bz2
 
+Patch1:         backport-Jemalloc-5.2.1-patch-1-fix-large-bin-index-accessed-through-cache-bin-descriptor.patch
 BuildRequires:  libxslt perl-generators gcc
 
 %description
@@ -81,6 +82,9 @@ make check
 %{_mandir}/man3/jemalloc.3*
 
 %changelog
+* Wed Nov 3 2021 guominghong <guominghong@huawei.com> - 5.2.1-1
+- Fix large bin index accessed through cache bin descriptor
+
 * Tue Jul 20 2021 weidong <weidong@uniontech.com> - 5.2.1-1
 - Update jemlloc