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Resolves: #1183238 - improve handling of NULL in the 'cd' built-in

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This commit is contained in:
Kamil Dudka 2015-01-23 13:30:44 +01:00
parent cb022dbd05
commit 0a558672ee
2 changed files with 64 additions and 0 deletions
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59
zsh-5.0.7-cd-sigsegv.patch Normal file
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@ -0,0 +1,59 @@
From 19c75aec6843b827fa7ef3f39174090ee7f8ac18 Mon Sep 17 00:00:00 2001
From: Peter Stephenson <p.w.stephenson@ntlworld.com>
Date: Thu, 22 Jan 2015 20:20:15 +0000
Subject: [PATCH] 34331: better handling of NULL in cd.
Problem was return from symbolic link expander in weird cases
where there file system isn't behaving itself properly.
Upstream-commit: 12b813b5895cae579e403dafe43878868f27fe0f
Signed-off-by: Kamil Dudka <kdudka@redhat.com>
---
Src/builtin.c | 8 +++++---
Src/utils.c | 11 +++++++----
2 files changed, 12 insertions(+), 7 deletions(-)
diff --git a/Src/builtin.c b/Src/builtin.c
index 2118835..489ca23 100644
--- a/Src/builtin.c
+++ b/Src/builtin.c
@@ -1156,9 +1156,11 @@ cd_new_pwd(int func, LinkNode dir, int quiet)
zsfree(getlinknode(dirstack));
if (chasinglinks) {
- s = new_pwd;
- new_pwd = findpwd(s);
- zsfree(s);
+ s = findpwd(new_pwd);
+ if (s) {
+ zsfree(new_pwd);
+ new_pwd = s;
+ }
}
if (isset(PUSHDIGNOREDUPS)) {
LinkNode n;
diff --git a/Src/utils.c b/Src/utils.c
index e6eb8e6..80396a2 100644
--- a/Src/utils.c
+++ b/Src/utils.c
@@ -1049,10 +1049,13 @@ getnameddir(char *name)
if ((pw = getpwnam(name))) {
char *dir = isset(CHASELINKS) ? xsymlink(pw->pw_dir)
: ztrdup(pw->pw_dir);
- adduserdir(name, dir, ND_USERNAME, 1);
- str = dupstring(dir);
- zsfree(dir);
- return str;
+ if (dir) {
+ adduserdir(name, dir, ND_USERNAME, 1);
+ str = dupstring(dir);
+ zsfree(dir);
+ return str;
+ } else
+ return ztrdup(pw->pw_dir);
}
}
#endif /* HAVE_GETPWNAM */
--
2.1.0

5
zsh.spec
View File

@ -26,6 +26,9 @@ Patch6: zsh-5.0.7-wait-for-exited.patch
# suppress a warning about closing an already closed file descriptor (#1184002)
Patch7: zsh-5.0.7-close-fd.patch
# improve handling of NULL in the 'cd' built-in (#1183238)
Patch8: zsh-5.0.7-cd-sigsegv.patch
BuildRequires: coreutils sed ncurses-devel libcap-devel
BuildRequires: texinfo texi2html gawk hostname
Requires(post): info grep
@ -64,6 +67,7 @@ This package contains the Zsh manual in html format.
%patch5 -p1
%patch6 -p1
%patch7 -p1
%patch8 -p1
cp -p %SOURCE7 .
@ -183,6 +187,7 @@ fi
%changelog
* Fri Jan 23 2015 Kamil Dudka <kdudka@redhat.com> - 5.0.7-5
- suppress a warning about closing an already closed file descriptor (#1184002)
- improve handling of NULL in the 'cd' built-in (#1183238)
* Wed Nov 19 2014 Kamil Dudka <kdudka@redhat.com> - 5.0.7-4
- update documentation of POSIX_JOBS in the zshoptions.1 man page (#1162198)