lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	Sun, 24 Apr 2011 17:21:05 -0700
From:	Manish Katiyar <mkatiyar@...il.com>
To:	ext4 <linux-ext4@...r.kernel.org>
Cc:	"Theodore Ts'o" <tytso@....edu>, Jan Kara <jack@...e.cz>,
	mkatiyar@...il.com
Subject: Re: [PATCH 4/5] ext4 : Add missing posix_acl_release() in
 ext4_xattr_set_acl() in error path.

On Sun, Apr 24, 2011 at 5:18 PM, Manish Katiyar <mkatiyar@...il.com> wrote:
> This patch fixes the following.
>
> a) Incase journal transaction allocation fails due to ENOMEM don't
> call ext4_std_error() since it will
>    remount the fs as readonly and logs the message in kernel log.
> b) Call posix_acl_release() incase journal allocation fails in case of
> error paths.
>
>
> Signed-off-by: Manish Katiyar <mkatiyar@...il.com>
> ---
>  fs/ext4/acl.c |    7 ++++---
>  1 files changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/fs/ext4/acl.c b/fs/ext4/acl.c
> index 21eacd7..0c98710 100644
> --- a/fs/ext4/acl.c
> +++ b/fs/ext4/acl.c
> @@ -354,7 +354,6 @@ ext4_acl_chmod(struct inode *inode)
>                                EXT4_DATA_TRANS_BLOCKS(inode->i_sb));
>                if (IS_ERR(handle)) {
>                        error = PTR_ERR(handle);
> -                       ext4_std_error(inode->i_sb, error);
>                        goto out;
>                }
>                error = ext4_set_acl(handle, inode, ACL_TYPE_ACCESS, clone);
> @@ -450,8 +449,10 @@ ext4_xattr_set_acl(struct dentry *dentry, const
> char *name, const void *value,
>
>  retry:
>        handle = ext4_journal_start(inode, EXT4_DATA_TRANS_BLOCKS(inode->i_sb));
> -       if (IS_ERR(handle))
> -               return PTR_ERR(handle);
> +       if (IS_ERR(handle)) {
> +               error = PTR_ERR(handle);
> +               goto release_and_out;
> +       }
>        error = ext4_set_acl(handle, inode, type, acl);
>        ext4_journal_stop(handle);
>        if (error == -ENOSPC && ext4_should_retry_alloc(inode->i_sb, &retries))
> --
> 1.7.1
>
> --
> Thanks -
> Manish
>



-- 
Thanks -
Manish

View attachment "0004-This-patch-fixes-the-following.-a-Incase-journal-tra.patch" of type "text/x-patch" (1460 bytes)

Powered by blists - more mailing lists