!43 groupdel: fix SIGSEGV when passwd does not exist

Merge pull request !43 from panxh_purple/openEuler-20.03-LTS-SP3

groupdel-fix-SIGSEGV-when-passwd-does-not-exist.patch

@@ -0,0 +1,32 @@
+From a757b458ffb4fb9a40bcbb4f7869449431c67f83 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Fran=C3=A7ois=20Rigault?= <frigo@amadeus.com>
+Date: Mon, 1 Nov 2021 13:54:25 +0100
+Subject: [PATCH] groupdel: fix SIGSEGV when passwd does not exist
+
+When using groupdel with a prefix, groupdel will attempt to read a
+passwd file to look for any user in the group. When the file does not
+exist it cores with segmentation fault.
+
+Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1986111
+Conflict: context adaptation
+---
+ libmisc/prefix_flag.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/libmisc/prefix_flag.c b/libmisc/prefix_flag.c
+index cca553a..b6628ac 100644
+--- a/libmisc/prefix_flag.c
++++ b/libmisc/prefix_flag.c
+@@ -288,6 +288,9 @@ extern struct passwd* prefix_getpwent()
+ 	if(!passwd_db_file) {
+ 		return getpwent();
+ 	}
++	if (!fp_pwent) {
++		return NULL;
++	}
+ 	return fgetpwent(fp_pwent);
+ }
+ extern void prefix_endpwent()
+-- 
+1.8.3.1
+

shadow.spec

@@ -1,6 +1,6 @@
 Name: shadow
 Version: 4.8.1
-Release: 4
+Release: 5
 Epoch: 2
 License: BSD and GPLv2+
 Summary: Tools for managing accounts and shadow password files
@@ -23,6 +23,7 @@ Patch6:  add-home_mode-xml-file.patch
 Patch7:  shadow-4.1.5.1-var-lock.patch
 Patch8:  shadow-utils-fix-lock-file-residue.patch
 Patch9:  shadow-add-sm3-crypt-support.patch
+Patch10: groupdel-fix-SIGSEGV-when-passwd-does-not-exist.patch
 
 BuildRequires: gcc, libselinux-devel, audit-libs-devel, libsemanage-devel
 BuildRequires: libacl-devel, libattr-devel gdb
@@ -169,6 +170,9 @@ done
 %{_mandir}/*/*
 
 %changelog
+* Fri Jan 28 2022 panxiaohe<panxh.life@foxmail.com> - 2:4.8.1-5
+- groupdel: fix SIGSEGV when passwd does not exist
+
 * Sat Oct 30 2021 wangcheng<wangcheng156@huawei.com> - 2:4.8.1-4
 - add sm3 crypt support