Re: [PATCH 1/1] SELinux: memory leak in selinux_sb_copy_data()

[Gerald Schaefer <geraldsc@de.ibm.com>]

On Fri, 2005-06-17 at 15:18 +0200, Gerald Schaefer wrote:
> [PATCH 1/1] SELinux: memory leak in selinux_sb_copy_data()
> There is a memory leak during mount when SELinux is active and mount options
> are specified.
> 
> Signed-off-by: Gerald Schaefer <geraldsc@de.ibm.com>
> ---
> 
> diff -pruN linux-2.6-git/security/selinux/hooks.c linux-2.6-git_xxx/security/selinux/hooks.c
> --- linux-2.6-git/security/selinux/hooks.c      2005-06-16 20:01:03.000000000 +0200
> +++ linux-2.6-git_xxx/security/selinux/hooks.c  2005-06-17 14:38:08.000000000 +0200
> @@ -1945,6 +1945,7 @@ static int selinux_sb_copy_data(struct f
>         } while (*in_end++);
>  
>         copy_page(in_save, nosec_save);
> +       free_page((unsigned long)nosec);
>  out:
>         return rc;
>  }
> 

Sorry, there was a whitespace accident and the above patch would not
apply.
Here is the fixed version:

diff -pruN linux-2.6-git/security/selinux/hooks.c linux-2.6-git_xxx/security/selinux/hooks.c
--- linux-2.6-git/security/selinux/hooks.c	2005-06-16 20:01:03.000000000 +0200
+++ linux-2.6-git_xxx/security/selinux/hooks.c	2005-06-17 14:38:08.000000000 +0200
@@ -1945,6 +1945,7 @@ static int selinux_sb_copy_data(struct f
 	} while (*in_end++);
 
 	copy_page(in_save, nosec_save);
+	free_page((unsigned long)nosec);
 out:
 	return rc;
 }


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