Re: [PATCH] ceph: check negative offsets on ceph_llseek()

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Luis Henriques <lhenriques@xxxxxxxx> writes:

> When a user requests SEEK_HOLE or SEEK_DATA with a negative offset
> ceph_llseek should return -ENXIO.  Currently -EINVAL is being returned for
> SEEK_DATA and 0 for SEEK_HOLE.

Ping

This patch should make xfstest generic/448 happy.

Cheers,
-- 
Luís

>
> Signed-off-by: Luis Henriques <lhenriques@xxxxxxxx>
> ---
>  fs/ceph/file.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/fs/ceph/file.c b/fs/ceph/file.c
> index 3d48c415f3cb..e1912e67843f 100644
> --- a/fs/ceph/file.c
> +++ b/fs/ceph/file.c
> @@ -1481,13 +1481,13 @@ static loff_t ceph_llseek(struct file *file, loff_t offset, int whence)
>  		offset += file->f_pos;
>  		break;
>  	case SEEK_DATA:
> -		if (offset >= i_size) {
> +		if (offset < 0 || offset >= i_size) {
>  			ret = -ENXIO;
>  			goto out;
>  		}
>  		break;
>  	case SEEK_HOLE:
> -		if (offset >= i_size) {
> +		if (offset < 0 || offset >= i_size) {
>  			ret = -ENXIO;
>  			goto out;
>  		}
>
--
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