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[PATCH] take noexec checks to very few callers that care

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Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Al Viro 2008-07-22 00:02:33 -04:00
commit 30524472c2
3 changed files with 17 additions and 9 deletions
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7
fs/exec.c
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@ -118,6 +118,10 @@ asmlinkage long sys_uselib(const char __user * library)
if (!S_ISREG(nd.path.dentry->d_inode->i_mode))
goto exit;
error = -EACCES;
if (nd.path.mnt->mnt_flags & MNT_NOEXEC)
goto exit;
error = vfs_permission(&nd, MAY_READ | MAY_EXEC | MAY_OPEN);
if (error)
goto exit;
@ -668,6 +672,9 @@ struct file *open_exec(const char *name)
if (!S_ISREG(nd.path.dentry->d_inode->i_mode))
goto out_path_put;
if (nd.path.mnt->mnt_flags & MNT_NOEXEC)
goto out_path_put;
err = vfs_permission(&nd, MAY_EXEC | MAY_OPEN);
if (err)
goto out_path_put;