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-rw-r--r--fs/exec.c4
-rw-r--r--include/linux/fs.h5
2 files changed, 7 insertions, 2 deletions
diff --git a/fs/exec.c b/fs/exec.c
index 0b515ac53134..d8c477a56257 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -127,7 +127,7 @@ asmlinkage long sys_uselib(const char __user * library)
struct nameidata nd;
int error;
- error = __user_path_lookup_open(library, LOOKUP_FOLLOW, &nd, FMODE_READ);
+ error = __user_path_lookup_open(library, LOOKUP_FOLLOW, &nd, FMODE_READ|FMODE_EXEC);
if (error)
goto out;
@@ -477,7 +477,7 @@ struct file *open_exec(const char *name)
int err;
struct file *file;
- err = path_lookup_open(AT_FDCWD, name, LOOKUP_FOLLOW, &nd, FMODE_READ);
+ err = path_lookup_open(AT_FDCWD, name, LOOKUP_FOLLOW, &nd, FMODE_READ|FMODE_EXEC);
file = ERR_PTR(err);
if (!err) {
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 7c750312261b..21e8cf795c38 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -65,6 +65,11 @@ extern int dir_notify_enable;
#define FMODE_PREAD 8
#define FMODE_PWRITE FMODE_PREAD /* These go hand in hand */
+/* File is being opened for execution. Primary users of this flag are
+ distributed filesystems that can use it to achieve correct ETXTBUSY
+ behavior for cross-node execution/opening_for_writing of files */
+#define FMODE_EXEC 16
+
#define RW_MASK 1
#define RWA_MASK 2
#define READ 0