Re: [PATCH v6.1.y 4/4] ipv4: start using dst_dev_rcu()
Greg KH <[email protected]>
| Newsgroups | gmane.linux.kernel.stable,gmane.linux.network,gmane.linux.kernel,gmane.comp.security.firewalls.netfilter.devel |
|---|---|
| Message-ID | <2026082454-jacket-gravity-6ddc@gregkh> |
On Fri, Aug 21, 2026 at 03:33:38PM +0200, Miguel Gazquez (Schneider Electric) wrote: > From: Eric Dumazet <[email protected]> > > [ Upstream commit 6ad8de3cefdb6ffa6708b21c567df0dbf82c43a8 ] > > Change icmpv4_xrlim_allow(), ip_defrag() to prevent possible UAF. > > Change ipmr_prepare_xmit(), ipmr_queue_fwd_xmit(), ip_mr_output(), > ipv4_neigh_lookup() to use lockdep enabled dst_dev_rcu(). > > Fixes: 4a6ce2b6f2ec ("net: introduce a new function dst_dev_put()") > Signed-off-by: Eric Dumazet <[email protected]> > Reviewed-by: David Ahern <[email protected]> > Link: https://patch.msgid.link/[email protected] > Signed-off-by: Jakub Kicinski <[email protected]> > [ minor modifications to fix conflict, added rcu_read_lock and unlock > to ip_defrag function ] > Signed-off-by: Miguel Gazquez (Schneider Electric) <[email protected]> We need a working 6.6.y version first, before we can take this one. thanks, greg k-h