On Thursday 13 January 2011 21:53:38 Jesper Juhl wrote: > There's a problem in net/batman-adv/unicast.c::frag_send_skb(). > dev_alloc_skb() allocates memory and may fail, thus returning NULL. If > this happens we'll pass a NULL pointer on to skb_split() which in turn > hands it to skb_split_inside_header() from where it gets passed to > skb_put() that lets skb_tail_pointer() play with it and that function > dereferences it. And thus the bat dies. > > While I was at it I also moved the call to dev_alloc_skb() above the > assignment to 'unicast_packet' since there's no reason to do that > assignment if the memory allocation fails. Applied Thanks, Sven