From: Olaf Kirch <[EMAIL PROTECTED]> Date: Tue, 19 Jun 2007 09:56:24 +0200
> From: Olaf Kirch <[EMAIL PROTECTED]> > > Make skb_seq_read unmap the last fragment > > Having walked through the entire skbuff, skb_seq_read would leave the > last fragment mapped. As a consequence, the unwary caller would leak > kmaps, and proceed with preempt_count off by one. The only (kind of > non-intuitive) workaround is to use skb_seq_read_abort. > > This patch makes sure skb_seq_read always unmaps frag_data after having > cycled through the skb's paged part. > > Signed-off-by: [EMAIL PROTECTED] Thanks for finding and fixing this bug. Patch applied, thanks again Olaf. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html