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groupdel: fix SIGSEGV when passwd does not exist (#1986111) 

Signed-off-by: Iker Pedrosa <ipedrosa@redhat.com>
This commit is contained in:
Iker Pedrosa 2021-11-19 09:44:08 +01:00
parent 3019026005
commit 520f3b8272
2 changed files with 20 additions and 1 deletions
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13
shadow-4.9-groupdel-fix-sigsegv-when-passwd-does-not-exist.patch Normal file
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@ -0,0 +1,13 @@
diff -up shadow-4.9/libmisc/prefix_flag.c.groupdel-fix-sigsegv-when-passwd-does-not-exist shadow-4.9/libmisc/prefix_flag.c
--- shadow-4.9/libmisc/prefix_flag.c.groupdel-fix-sigsegv-when-passwd-does-not-exist 2021-11-19 09:21:36.997091941 +0100
+++ shadow-4.9/libmisc/prefix_flag.c 2021-11-19 09:22:19.001341010 +0100
@@ -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()

8
shadow-utils.spec
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@ -1,7 +1,7 @@
Summary: Utilities for managing accounts and shadow password files
Name: shadow-utils
Version: 4.8.1
Release: 9%{?dist}
Release: 10%{?dist}
Epoch: 2
URL: https://github.com/shadow-maint/shadow
Source0: https://github.com/shadow-maint/shadow/releases/download/%{version}/shadow-%{version}.tar.xz
@ -61,6 +61,8 @@ Patch44: shadow-4.8.1-check-local-groups.patch
Patch45: shadow-4.8.1-commonio-force-lock-file-sync.patch
# https://github.com/shadow-maint/shadow/commit/df6ec1d1693c8c80c323b40d6fc82bb549363db3
Patch46: shadow-4.8.1-man-include-lastlog-file-caveat.patch
# https://github.com/shadow-maint/shadow/commit/a757b458ffb4fb9a40bcbb4f7869449431c67f83
Patch47: shadow-4.9-groupdel-fix-sigsegv-when-passwd-does-not-exist.patch
License: BSD and GPLv2+
BuildRequires: make
@ -115,6 +117,7 @@ are used for managing group accounts.
%patch44 -p1 -b .check-local-groups
%patch45 -p1 -b .commonio-force-lock-file-sync
%patch46 -p1 -b .man-include-lastlog-file-caveat
%patch47 -p1 -b .groupdel-fix-sigsegv-when-passwd-does-not-exist
iconv -f ISO88591 -t utf-8 doc/HOWTO > doc/HOWTO.utf8
cp -f doc/HOWTO.utf8 doc/HOWTO
@ -268,6 +271,9 @@ done
%{_mandir}/man8/vigr.8*
%changelog
* Tue Nov 30 2021 Iker Pedrosa <ipedrosa@redhat.com> - 2:4.8.1-10
- groupdel: fix SIGSEGV when passwd does not exist (#1986111)
* Mon Aug 9 2021 Iker Pedrosa <ipedrosa@redhat.com> - 2:4.8.1-9
- allow all types of groups when modifying supplementary groups (#1975327)