git: d0105578f05f - stable/13 - inet6: add the missing lock acquire to nd6_get_llentry

The branch stable/13 has been updated by mjg:

URL: https://cgit.FreeBSD.org/src/commit/?id=d0105578f05f507614185436cf5aba92a2b61782

commit d0105578f05f507614185436cf5aba92a2b61782
Author:     Mateusz Guzik <mjg@FreeBSD.org>
AuthorDate: 2025-02-10 14:27:37 +0000
Commit:     Mateusz Guzik <mjg@FreeBSD.org>
CommitDate: 2025-03-18 14:38:00 +0000

    inet6: add the missing lock acquire to nd6_get_llentry
    
    Reported by:    Lexi Winter
    PR:             282378
    Sponsored by:   Rubicon Communications, LLC ("Netgate")
    
    (cherry picked from commit d6138a65405f697715189363b2b18581e7abd982)
---
 sys/netinet6/nd6.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sys/netinet6/nd6.c b/sys/netinet6/nd6.c
index 70fb468176a5..91e48bc8b991 100644
--- a/sys/netinet6/nd6.c
+++ b/sys/netinet6/nd6.c
@@ -2338,6 +2338,7 @@ nd6_get_llentry(struct ifnet *ifp, const struct in6_addr *addr, int family)
 		} else {
 			/* child lle already exists, free newly-created one */
 			lltable_free_entry(LLTABLE6(ifp), child_lle);
+			LLE_WLOCK(lle_tmp);
 			child_lle = lle_tmp;
 		}
 		LLE_WUNLOCK(lle);