diff options
Diffstat (limited to 'fs/binfmt_script.c')
| -rw-r--r-- | fs/binfmt_script.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/binfmt_script.c b/fs/binfmt_script.c index 5027a3e14922..afdf4e3cafc2 100644 --- a/fs/binfmt_script.c +++ b/fs/binfmt_script.c @@ -24,6 +24,16 @@ static int load_script(struct linux_binprm *bprm) if ((bprm->buf[0] != '#') || (bprm->buf[1] != '!')) return -ENOEXEC; + + /* + * If the script filename will be inaccessible after exec, typically + * because it is a "/dev/fd/<fd>/.." path against an O_CLOEXEC fd, give + * up now (on the assumption that the interpreter will want to load + * this file). + */ + if (bprm->interp_flags & BINPRM_FLAGS_PATH_INACCESSIBLE) + return -ENOENT; + /* * This section does the #! interpretation. * Sorta complicated, but hopefully it will work. -TYT |