[PATCH RFC v2 4/4] bpf: Mark bpf_iter__sockmap::sk as PTR_TRUSTED

[Michal Luczaj]

In preparation for plain-PTR_TO_BTF_ID removal: allow calling bpf helpers
with sk provided by iter/sockmap.

Suggested-by: Alexei Starovoitov <ast@xxxxxxxxxx>
Link: https://msgid.link/DM92JCFA4X4U.30MTDH0KCPTJ@xxxxxxxxx
Signed-off-by: Michal Luczaj <mhal@xxxxxxx>
---
 net/core/sock_map.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/core/sock_map.c b/net/core/sock_map.c
index 057e2f3c0265..2a2a07372818 100644
--- a/net/core/sock_map.c
+++ b/net/core/sock_map.c
@@ -1989,7 +1989,7 @@ static struct bpf_iter_reg sock_map_iter_reg = {
 		{ offsetof(struct bpf_iter__sockmap, key),
 		  PTR_TO_BUF | PTR_MAYBE_NULL | MEM_RDONLY },
 		{ offsetof(struct bpf_iter__sockmap, sk),
-		  PTR_TO_BTF_ID_OR_NULL },
+		  PTR_TO_BTF_ID_OR_NULL | PTR_TRUSTED },
 	},
 };
 

-- 
2.56.0