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-rw-r--r--catgets/open_catalog.c4
-rw-r--r--elf/dl-profile.c3
-rw-r--r--gmon/gmon.c7
-rw-r--r--iconv/gconv_cache.c2
-rw-r--r--login/utmp_file.c2
-rw-r--r--sysdeps/pthread/sem_open.c9
6 files changed, 16 insertions, 11 deletions
diff --git a/catgets/open_catalog.c b/catgets/open_catalog.c
index 242709db73..46c444d259 100644
--- a/catgets/open_catalog.c
+++ b/catgets/open_catalog.c
@@ -49,7 +49,7 @@ __open_catalog (const char *cat_name, const char *nlspath, const char *env_var,
   char *buf = NULL;
 
   if (strchr (cat_name, '/') != NULL || nlspath == NULL)
-    fd = __open_nocancel (cat_name, O_RDONLY);
+    fd = __open_nocancel (cat_name, O_RDONLY | O_CLOEXEC);
   else
     {
       const char *run_nlspath = nlspath;
@@ -177,7 +177,7 @@ __open_catalog (const char *cat_name, const char *nlspath, const char *env_var,
 
 	  if (bufact != 0)
 	    {
-	      fd = __open_nocancel (buf, O_RDONLY);
+	      fd = __open_nocancel (buf, O_RDONLY | O_CLOEXEC);
 	      if (fd >= 0)
 		break;
 	    }
diff --git a/elf/dl-profile.c b/elf/dl-profile.c
index 2ecac05f8d..d8345da22e 100644
--- a/elf/dl-profile.c
+++ b/elf/dl-profile.c
@@ -324,7 +324,8 @@ _dl_start_profile (void)
   *cp++ = '/';
   __stpcpy (__stpcpy (cp, GLRO(dl_profile)), ".profile");
 
-  fd = __open64_nocancel (filename, O_RDWR|O_CREAT|O_NOFOLLOW, DEFFILEMODE);
+  fd = __open64_nocancel (filename, O_RDWR | O_CREAT | O_NOFOLLOW
+			  | O_CLOEXEC, DEFFILEMODE);
   if (fd == -1)
     {
       char buf[400];
diff --git a/gmon/gmon.c b/gmon/gmon.c
index bc0e29438a..6439ed1caa 100644
--- a/gmon/gmon.c
+++ b/gmon/gmon.c
@@ -384,13 +384,14 @@ write_gmon (void)
 	size_t len = strlen (env);
 	char buf[len + 20];
 	__snprintf (buf, sizeof (buf), "%s.%u", env, __getpid ());
-	fd = __open_nocancel (buf, O_CREAT|O_TRUNC|O_WRONLY|O_NOFOLLOW, 0666);
+	fd = __open_nocancel (buf, O_CREAT | O_TRUNC | O_WRONLY | O_NOFOLLOW
+			      | O_CLOEXEC, 0666);
       }
 
     if (fd == -1)
       {
-	fd = __open_nocancel ("gmon.out", O_CREAT|O_TRUNC|O_WRONLY|O_NOFOLLOW,
-			      0666);
+	fd = __open_nocancel ("gmon.out", O_CREAT | O_TRUNC | O_WRONLY
+			      | O_NOFOLLOW | O_CLOEXEC, 0666);
 	if (fd < 0)
 	  {
 	    char buf[300];
diff --git a/iconv/gconv_cache.c b/iconv/gconv_cache.c
index f2100ca88f..87136e2402 100644
--- a/iconv/gconv_cache.c
+++ b/iconv/gconv_cache.c
@@ -58,7 +58,7 @@ __gconv_load_cache (void)
     return -1;
 
   /* See whether the cache file exists.  */
-  fd = __open_nocancel (GCONV_MODULES_CACHE, O_RDONLY, 0);
+  fd = __open_nocancel (GCONV_MODULES_CACHE, O_RDONLY | O_CLOEXEC, 0);
   if (__builtin_expect (fd, 0) == -1)
     /* Not available.  */
     return -1;
diff --git a/login/utmp_file.c b/login/utmp_file.c
index 5349459581..1ef0782139 100644
--- a/login/utmp_file.c
+++ b/login/utmp_file.c
@@ -463,7 +463,7 @@ __libc_updwtmp (const char *file, const struct utmp *utmp)
   int fd;
 
   /* Open WTMP file.  */
-  fd = __open_nocancel (file, O_WRONLY | O_LARGEFILE);
+  fd = __open_nocancel (file, O_WRONLY | O_LARGEFILE | O_CLOEXEC);
   if (fd < 0)
     return -1;
 
diff --git a/sysdeps/pthread/sem_open.c b/sysdeps/pthread/sem_open.c
index 2d32a13557..e5db929d20 100644
--- a/sysdeps/pthread/sem_open.c
+++ b/sysdeps/pthread/sem_open.c
@@ -36,6 +36,7 @@ sem_t *
 __sem_open (const char *name, int oflag, ...)
 {
   int fd;
+  int open_flags;
   sem_t *result;
 
   /* Check that shared futexes are supported.  */
@@ -64,9 +65,10 @@ __sem_open (const char *name, int oflag, ...)
   /* If the semaphore object has to exist simply open it.  */
   if ((oflag & O_CREAT) == 0 || (oflag & O_EXCL) == 0)
     {
+      open_flags = O_RDWR | O_NOFOLLOW | O_CLOEXEC;
+      open_flags |= (oflag & ~(O_CREAT|O_ACCMODE));
     try_again:
-      fd = __open (dirname.name,
-		   (oflag & ~(O_CREAT|O_ACCMODE)) | O_NOFOLLOW | O_RDWR);
+      fd = __open (dirname.name, open_flags);
 
       if (fd == -1)
 	{
@@ -133,7 +135,8 @@ __sem_open (const char *name, int oflag, ...)
 	    }
 
 	  /* Open the file.  Make sure we do not overwrite anything.  */
-	  fd = __open (tmpfname, O_RDWR | O_CREAT | O_EXCL, mode);
+	  open_flags = O_RDWR | O_CREAT | O_EXCL | O_CLOEXEC;
+	  fd = __open (tmpfname, open_flags, mode);
 	  if (fd == -1)
 	    {
 	      if (errno == EEXIST)