Phil Sutter <phil@xxxxxx> wrote:
> While iterating through an SCTP packet's chunks, skb_header_pointer() is
> called for the minimum expected chunk header size. If (that part of) the
> skbuff is non-linear, the following memcpy() may read data past
> temporary buffer '_sch'. Use skb_copy_bits() instead which does the
> right thing in this situation.
>
> Fixes: 133dc203d77df ("netfilter: nft_exthdr: Support SCTP chunks")
> Suggested-by: Florian Westphal <fw@xxxxxxxxx>
> Signed-off-by: Phil Sutter <phil@xxxxxx>
Reviewed-by: Florian Westphal <fw@xxxxxxxxx>
