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| author | Linus Walleij <linus.walleij@linaro.org> | 2019-04-08 13:03:09 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2019-04-08 13:03:09 +0200 |
| commit | 26af34079f1d8299932303cfd2b376b9cf55a35c (patch) | |
| tree | f1a9824855fae569aa51c2109a5929715143093d /fs/open.c | |
| parent | 27157af66324d529b43231c12b5d1e1a3e9fa620 (diff) | |
| parent | 79a3aaa7b82e3106be97842dedfd8429248896e6 (diff) | |
Merge tag 'v5.1-rc3' into devel
Linux 5.1-rc3
Diffstat (limited to 'fs/open.c')
| -rw-r--r-- | fs/open.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/open.c b/fs/open.c index 0285ce7dbd51..f1c2f855fd43 100644 --- a/fs/open.c +++ b/fs/open.c @@ -733,6 +733,12 @@ static int do_dentry_open(struct file *f, return 0; } + /* Any file opened for execve()/uselib() has to be a regular file. */ + if (unlikely(f->f_flags & FMODE_EXEC && !S_ISREG(inode->i_mode))) { + error = -EACCES; + goto cleanup_file; + } + if (f->f_mode & FMODE_WRITE && !special_file(inode->i_mode)) { error = get_write_access(inode); if (unlikely(error)) |