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-rw-r--r--kernel/bpf/verifier.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index a4549b2656ad..fc795bac42ed 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -4021,9 +4021,6 @@ static int check_func_arg(struct bpf_verifier_env *env, u32 arg,
arg_type == ARG_PTR_TO_CTX_OR_NULL)) {
if (type != expected_type)
goto err_type;
- err = check_ctx_reg(env, reg, regno);
- if (err < 0)
- return err;
}
} else if (arg_type == ARG_PTR_TO_SOCK_COMMON) {
expected_type = PTR_TO_SOCK_COMMON;
@@ -4107,6 +4104,10 @@ static int check_func_arg(struct bpf_verifier_env *env, u32 arg,
regno);
return -EACCES;
}
+ } else if (type == PTR_TO_CTX) {
+ err = check_ctx_reg(env, reg, regno);
+ if (err < 0)
+ return err;
}
if (reg->ref_obj_id) {