On Mon, Mar 10, 2014 at 11:52:36PM +0200, Michael S. Tsirkin wrote: > > The cover letter has more detail:
For some reason I didn't receive this cover letter. > skb_segment ... moves frags > between skbs without orphaning them. > This causes userspace to assume it's safe to > reuse the buffer, and receiver gets corrupted data. > This further might leak information from the > transmitter on the wire. > > if still unclear, pls let me know. Why can't we deal with this by simply postponing the copy until later? IOW if we pass along SKBTX_SHARED_FRAG will it work? Thanks, -- Email: Herbert Xu <[email protected]> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
