fix a memory leak when kmod_list_append() fails

backprot-libkmod-config-fix-a-memory-leak-when-kmod_list_appe.patch

@@ -0,0 +1,33 @@
+From 39dd171623744ac390dadf487c5a3ebf0b69f2ca Mon Sep 17 00:00:00 2001
+From: Seung-Woo Kim <sw0312.kim@samsung.com>
+Date: Fri, 9 Apr 2021 18:44:23 +0900
+Subject: [PATCH] libkmod-config: fix a memory leak when kmod_list_append()
+ fails
+
+From kmod_config_new(), when kmod_list_append() fails,
+fix not list-appended kmod_config_path leak.
+
+Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
+---
+ libkmod/libkmod-config.c | 4 +++-
+ 1 file changed, 3 insertions(+), 1 deletion(-)
+
+diff --git a/libkmod/libkmod-config.c b/libkmod/libkmod-config.c
+index 7b62367..78957db 100644
+--- a/libkmod/libkmod-config.c
++++ b/libkmod/libkmod-config.c
+@@ -853,8 +853,10 @@ int kmod_config_new(struct kmod_ctx *ctx, struct kmod_config **p_config,
+ 		memcpy(cf->path, path, pathlen);
+ 
+ 		tmp = kmod_list_append(path_list, cf);
+-		if (tmp == NULL)
++		if (tmp == NULL) {
++			free(cf);
+ 			goto oom;
++		}
+ 		path_list = tmp;
+ 	}
+ 
+-- 
+2.23.0
+

kmod.spec

@@ -1,6 +1,6 @@
 Name:           kmod
 Version:        27
-Release:        10
+Release:        11
 Summary:        Kernel module management
 # GPLv2+ is used by programs, LGPLv2+ is used for libraries.
 License:        GPLv2+ and LGPLv2+
@@ -15,6 +15,7 @@ Patch6002:	backport-depmod-do-not-output-.bin-to-stdout.patch
 Patch6003:	backport-libkmod-kmod_builtin_get_modinfo-free-modinfo-on-err.patch
 Patch6004:	backport-depmod-output_builtin_alias_bin-free-idx-on-error-pa.patch
 Patch6005:	backport-libkmod-kmod_log_null-qualify-ctx-argument-as-const.patch
+Patch6006:	backprot-libkmod-config-fix-a-memory-leak-when-kmod_list_appe.patch
 Patch9000:      bugfix-kmod-20-8-depmod-Don-t-unlinkat-orig-depfile-and-add-fsync.patch
 
 BuildRequires:  gcc chrpath zlib-devel xz-devel libxslt openssl-devel
@@ -123,6 +124,9 @@ install -m 0644 %{SOURCE2} $RPM_BUILD_ROOT%{_sysconfdir}/depmod.d/dist.conf
 %doc TODO NEWS README
 
 %changelog
+* Thu Jul 21 2022 liwenchong <liwenchong@kylinos.cn> - 27-11
+- fix memeory leak
+
 * Fri Aug 13 2021 YangYanchao <yangyanchao6@huawei.com> - 27-10
 - weak-modules: fix a bug when using weak_modules without '$'