Re: [PATCH net-next v5] sctp: auth: discard auth_chunk when skb_clone fails

[Jakub Kicinski <kuba@kernel.org>]

On Wed, 29 Jul 2026 10:43:26 -0400 Xin Long wrote:
> > > When processing AUTH + COOKIE-ECHO packets, if skb_clone() fails
> > > due to memory pressure, chunk->auth_chunk is NULL. The original
> > > code still sets chunk->auth = 1 and continues, leaving the
> > > COOKIE-ECHO to be processed without a valid auth_chunk for
> > > deferred verification.
> > >
> > > Discard the AUTH chunk early via pdiscard when skb_clone() fails,
> > > so that the receive loop can continue processing remaining chunks
> > > in the inqueue instead of stalling the entire packet.  
> >
> > Hi Xin Long, should we apply this or it's no longer worth it after
> > 8e04823c120b ?
> >  
> Apply it to net-next.git.
> 
> Acked-by: Xin Long <lucien.xin@gmail.com>

Thanks!

> So sending patches with wrong in-reply-to doesn't require repost?

If patchwork ingests the series correctly (which is usually does 
for single patch postings) there's no need to resend. It's mostly 
a convenience thing for maintainers since we try to process patches
from oldest and the threading makes the sort harder.