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ga20363
2013 Oct 21
1
Re: [patch] Btrfs: fix access_ok() check in btrfs_ioctl_send()
...We want to check
> "sizeof(*arg->clone_sources) * arg->clone_sources_count" instead of
> "sizeof(*arg->clone_sources * arg->clone_sources_count)".
>
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Original message id: <20130110085725.GA23063@elgon.mountain>
This patch hasn''t been applied.
> ---
> This is also vulnerable to integer overflows. It''s only done under
> root, but these days we are trying to restrict what root can do without
> configuring Secure Boot in UEFI.
Although it''s a secur...