From: Daniel Borkmann <dborkman@xxxxxxxxxx> Date: Wed, 3 Dec 2014 12:13:58 +0100 > To accomodate for enough headroom for tunnels, use MAX_HEADER instead > of LL_MAX_HEADER. Robert reported that he has hit after roughly 40hrs > of trinity an skb_under_panic() via SCTP output path (see reference). > I couldn't reproduce it from here, but not using MAX_HEADER as elsewhere > in other protocols might be one possible cause for this. > > In any case, it looks like accounting on chunks themself seems to look > good as the skb already passed the SCTP output path and did not hit > any skb_over_panic(). Given tunneling was enabled in his .config, the > headroom would have been expanded by MAX_HEADER in this case. > > Reported-by: Robert Święcki <robert@xxxxxxxxxxx> > Reference: https://lkml.org/lkml/2014/12/1/507 > Fixes: 594ccc14dfe4d ("[SCTP] Replace incorrect use of dev_alloc_skb with alloc_skb in sctp_packet_transmit().") > Signed-off-by: Daniel Borkmann <dborkman@xxxxxxxxxx> Applied and queued up for -stable, thanks. -- To unsubscribe from this list: send the line "unsubscribe linux-sctp" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
