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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2015-02-10 11:35:36 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2015-02-10 11:35:36 -0800 |
| commit | 4ba24fef3eb3b142197135223b90ced2f319cd53 (patch) | |
| tree | a20c125b27740ec7b4c761b11d801108e1b316b2 /fs/binfmt_script.c | |
| parent | 47c1ffb2b6b630894e9a16442611c056ab21c057 (diff) | |
| parent | 98a4a59ee31a12105a2b84f5b8b515ac2cb208ef (diff) | |
Merge branch 'next' into for-linus
Prepare first round of input updates for 3.20.
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 5027a3e149222..afdf4e3cafc2a 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 |