import tar-1.30-5.el8

SOURCES/tar-1.30-xgetcwd-null-return-check.patch

@@ -0,0 +1,50 @@
+From 60acf5a7407ef263aaf7d3751da08167b1990eb0 Mon Sep 17 00:00:00 2001
+From: Sergey Poznyakoff <gray@gnu.org>
+Date: Wed, 20 May 2020 13:35:28 +0200
+Subject: [PATCH] Check return value from xgetcwd
+
+* src/misc.c (chdir_arg,tar_getcdpath): Check for non-NULL
+return from xgetcwd. The function returns NULL for any
+error originating from getcwd.
+---
+ src/misc.c | 10 +++++++---
+ 1 file changed, 7 insertions(+), 3 deletions(-)
+
+diff --git a/src/misc.c b/src/misc.c
+index cd07f53..eccf6f9 100644
+--- a/src/misc.c
++++ b/src/misc.c
+@@ -301,8 +301,6 @@ normalize_filename (int cdidx, const char *name)
+       size_t copylen;
+       bool need_separator;
+ 
+-      if (!cdpath)
+-	call_arg_fatal ("getcwd", ".");
+       copylen = strlen (cdpath);
+       need_separator = ! (DOUBLE_SLASH_IS_DISTINCT_ROOT
+ 			  && copylen == 2 && ISSLASH (cdpath[1]));
+@@ -909,6 +907,8 @@ chdir_arg (char const *dir)
+ 	{
+ 	  wd[wd_count].name = ".";
+ 	  wd[wd_count].abspath = xgetcwd ();
++    if (!wd[wd_count].abspath)
++	    call_arg_fatal ("getcwd", ".");
+ 	  wd[wd_count].fd = AT_FDCWD;
+ 	  wd_count++;
+ 	}
+@@ -1034,7 +1034,11 @@ tar_getcdpath (int idx)
+     {
+       static char *cwd;
+       if (!cwd)
+-	cwd = xgetcwd ();
++	      {
++          cwd = xgetcwd ();
++          if (!cwd)
++            call_arg_fatal ("getcwd", ".");
++	      }
+       return cwd;
+     }
+   return wd[idx].abspath;
+-- 
+2.24.1
+

SPECS/tar.spec

@@ -6,7 +6,7 @@ Summary: A GNU file archiving program
 Name: tar
 Epoch: 2
 Version: 1.30
-Release: 4%{?dist}
+Release: 5%{?dist}
 License: GPLv3+
 Group: Applications/Archiving
 URL: http://www.gnu.org/software/tar/
@@ -23,6 +23,7 @@ Patch9:  tar-1.28-document-exclude-mistakes.patch
 Patch11: tar-1.28-sparse-inf-loops.patch
 Patch12: tar-1.30-tests-difflink.patch
 Patch13: tar-1.30-tests-dirrem.patch
+Patch14: tar-1.30-xgetcwd-null-return-check.patch
 
 # run "make check" by default
 %bcond_without check
@@ -128,6 +129,9 @@ fi
 %{_infodir}/tar.info*
 
 %changelog
+* Wed May 20 2020 Ondrej Dubaj <odubaj@redhat.com> - 1.30-5
+- fixed NULL return value from xgetcwd (#1837871)
+
 * Wed May 23 2018 Pavel Raiskup <praiskup@redhat.com> - 1.30-4
 - drop BuildRequires: rsh, we anyways use ./configure RSH=%%_bindir/ssh