xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

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

Browse Source 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2008-07-22 00:02:33 -04:00
parent e56b6a5dda
commit 30524472c2
3 changed files with 17 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
fs/exec.c
View File

@@ -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;