linux-kernel - Re: [PATCH] fs: ocfs2: namei: Check return value of ocfs2_add

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 linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Fri, 4 Aug 2023 09:23:06 +0800
From:   Joseph Qi <joseph.qi@...ux.alibaba.com>
To:     Artem Chernyshev <artem.chernyshev@...-soft.ru>,
        Joel Becker <jlbec@...lplan.org>,
        Mark Fasheh <mark@...heh.com>, akpm <akpm@...ux-foundation.org>
Cc:     Kurt Hackel <kurt.hackel@...cle.com>, ocfs2-devel@...ts.linux.dev,
        linux-kernel@...r.kernel.org, lvc-project@...uxtesting.org
Subject: Re: [PATCH] fs: ocfs2: namei: Check return value of ocfs2_add_entry()



On 8/3/23 10:54 PM, Artem Chernyshev wrote:
> Process result of ocfs2_add_entry() in case we have an error
> value.
> 
> Found by Linux Verification Center (linuxtesting.org) with SVACE.
> 
> Fixes: ccd979bdbce9 ("[PATCH] OCFS2: The Second Oracle Cluster Filesystem")
> Signed-off-by: Artem Chernyshev <artem.chernyshev@...-soft.ru>

Reviewed-by: Joseph Qi <joseph.qi@...ux.alibaba.com>

> ---
>  fs/ocfs2/namei.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
> index 17c52225b87d..03bccfd183f3 100644
> --- a/fs/ocfs2/namei.c
> +++ b/fs/ocfs2/namei.c
> @@ -1535,6 +1535,10 @@ static int ocfs2_rename(struct mnt_idmap *idmap,
>  		status = ocfs2_add_entry(handle, new_dentry, old_inode,
>  					 OCFS2_I(old_inode)->ip_blkno,
>  					 new_dir_bh, &target_insert);
> +		if (status < 0) {
> +			mlog_errno(status);
> +			goto bail;
> +		}
>  	}
>  
>  	old_inode->i_ctime = current_time(old_inode);