diff options
Diffstat (limited to 'fs/exec.c')
| -rw-r--r-- | fs/exec.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/fs/exec.c b/fs/exec.c index 06b4c550af5d..a10e3941196d 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -1817,11 +1817,17 @@ static int __do_execve_file(int fd, struct filename *filename, check_unsafe_exec(bprm); current->in_execve = 1; - if (!file) + if (!file) { file = do_open_execat(fd, filename, flags); - retval = PTR_ERR(file); - if (IS_ERR(file)) - goto out_unmark; + retval = PTR_ERR(file); + if (IS_ERR(file)) + goto out_unmark; + } else { + retval = deny_write_access(file); + if (retval) + goto out_unmark; + get_file(file); + } sched_exec(); |