Re: [PATCH net] net: dst: block BH in ipip6_tunnel_xmit

[yuan.gao]

On Mon, Jun 22, 2026 at 01:13:30AM -0700, Eric Dumazet wrote:
> On Sun, Jun 21, 2026 at 8:31 PM yuan.gao <yuan.gao@xxxxxxxxx> wrote:
> >
> > Similar to commit 1378817486d6 ("tipc: block BH before using dst_cache"),
> > the dst cache helper functions must be invoked with local BH disabled.
> >
> > This ensures proper synchronization and fixes a potential race condition
> > on SMP systems.
> >
> > Signed-off-by: yuan.gao <yuan.gao@xxxxxxxxx>
> > ---
> 
> All ndo_start_xmit() methods already run with BH blocked, can you give
> us a stack trace when this would not be enforced?
> 
> You forgot a Fixes: tag.

Many thanks for pointing that out — I completely missed that detail.

Cheers,
Yuan Gao