merged into cifs-2.6.git thx
On Wed, May 3, 2017 at 5:41 PM, David Disseldorp <ddiss@xxxxxxx> wrote:
> An open directory may have a NULL private_data pointer prior to readdir.
>
> Fixes: 0de1f4c6f6c0 ("Add way to query server fs info for smb3")
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: David Disseldorp <ddiss@xxxxxxx>
> ---
> fs/cifs/ioctl.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/fs/cifs/ioctl.c b/fs/cifs/ioctl.c
> index 4d598a71cf84..76fb0917dc8c 100644
> --- a/fs/cifs/ioctl.c
> +++ b/fs/cifs/ioctl.c
> @@ -209,6 +209,8 @@ long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg)
> rc = -EOPNOTSUPP;
> break;
> case CIFS_IOC_GET_MNT_INFO:
> + if (pSMBFile == NULL)
> + break;
> tcon = tlink_tcon(pSMBFile->tlink);
> rc = smb_mnt_get_fsinfo(xid, tcon, (void __user *)arg);
> break;
> --
> 2.12.0
>
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--
Thanks,
Steve
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