public inbox for gcc-cvs@sourceware.org
help / color / mirror / Atom feed
* [gcc r12-5568] Fix PR 19089: Environment variable TMP may yield gcc: abort
@ 2021-11-29 0:43 Andrew Pinski
0 siblings, 0 replies; only message in thread
From: Andrew Pinski @ 2021-11-29 0:43 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:68332ab7ec58a89660db82569c5f4c2251d59741
commit r12-5568-g68332ab7ec58a89660db82569c5f4c2251d59741
Author: Andrew Pinski <apinski@marvell.com>
Date: Sat Nov 27 18:16:50 2021 -0800
Fix PR 19089: Environment variable TMP may yield gcc: abort
Even though I cannot reproduce the ICE any more, this is still
a bug. We check already to see if we can access the directory
but never check to see if the path is actually a directory.
This adds the check and now we reject the file as not usable
as a tmp directory.
OK? Bootstrapped and tested on x86_64-linux-gnu with no regressions.
libiberty/ChangeLog:
* make-temp-file.c (try_dir): Check to see if the dir
is actually a directory.
Diff:
---
libiberty/make-temp-file.c | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)
diff --git a/libiberty/make-temp-file.c b/libiberty/make-temp-file.c
index 31f87fbcfde..948f10ae058 100644
--- a/libiberty/make-temp-file.c
+++ b/libiberty/make-temp-file.c
@@ -39,6 +39,10 @@ Boston, MA 02110-1301, USA. */
#if defined(_WIN32) && !defined(__CYGWIN__)
#include <windows.h>
#endif
+#if HAVE_SYS_STAT_H
+#include <sys/stat.h>
+#endif
+
#ifndef R_OK
#define R_OK 4
@@ -76,7 +80,17 @@ try_dir (const char *dir, const char *base)
return base;
if (dir != 0
&& access (dir, R_OK | W_OK | X_OK) == 0)
- return dir;
+ {
+ /* Check to make sure dir is actually a directory. */
+#ifdef S_ISDIR
+ struct stat s;
+ if (stat (dir, &s))
+ return NULL;
+ if (!S_ISDIR (s.st_mode))
+ return NULL;
+#endif
+ return dir;
+ }
return 0;
}
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2021-11-29 0:43 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-11-29 0:43 [gcc r12-5568] Fix PR 19089: Environment variable TMP may yield gcc: abort Andrew Pinski
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).