Thread (5 messages) 5 messages, 3 authors, 2026-01-18

Testing for netrom: fix KASAN slab-use-after-free in nr_dec_obs()

From: Prithvi Tambewagh <hidden>
Date: 2026-01-17 06:53:27
Also in: linux-hams, lkml
Subsystem: networking [general], the rest · Maintainers: "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

#syz test upstream be548645527a131a097fdc884b7fca40c8b86231

Signed-off-by: Prithvi Tambewagh <redacted>
---
 net/netrom/nr_route.c | 1 -
 1 file changed, 1 deletion(-)
diff --git a/net/netrom/nr_route.c b/net/netrom/nr_route.c
index b94cb2ffbaf8..788e375537fe 100644
--- a/net/netrom/nr_route.c
+++ b/net/netrom/nr_route.c
@@ -466,7 +466,6 @@ static int nr_dec_obs(void)
 				nr_neigh = s->routes[i].neighbour;
 
 				nr_neigh->count--;
-				nr_neigh_put(nr_neigh);
 
 				if (nr_neigh->count == 0 && !nr_neigh->locked)
 					nr_remove_neigh(nr_neigh);
base-commit: be548645527a131a097fdc884b7fca40c8b86231
-- 
2.34.1
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