Avoid kernel crash in mm/slab.c due to double-free of pointer. If the ethernet interface is brought down while there is still RX traffic in flight, the device shutdown routine can end up trying to double-free an skb, leading to a crash in mm/slab.c Avoid the double-free by nulling out the skb pointer.
Signed-off-by: Linas Vepstas <[EMAIL PROTECTED]> ---- drivers/net/spider_net.c | 1 + 1 file changed, 1 insertion(+) Index: linux-2.6.22-rc1/drivers/net/spider_net.c =================================================================== --- linux-2.6.22-rc1.orig/drivers/net/spider_net.c 2007-06-08 15:45:33.000000000 -0500 +++ linux-2.6.22-rc1/drivers/net/spider_net.c 2007-06-08 15:48:10.000000000 -0500 @@ -1131,6 +1131,7 @@ spider_net_decode_one_descr(struct spide /* Ok, we've got a packet in descr */ spider_net_pass_skb_up(descr, card); + descr->skb = NULL; hwdescr->dmac_cmd_status = SPIDER_NET_DESCR_NOT_IN_USE; return 1; - 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