From 51c37c3fac2c4c2cda1a8dfc6c59c2d88d4120d5 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Thu, 4 Jun 2020 11:54:36 +0300 Subject: [PATCH] bpf: Fix an error code in check_btf_func() [ Upstream commit e7ed83d6fa1a00d0f2ad0327e73d3ea9e7ea8de1 ] This code returns success if the "info_aux" allocation fails but it should return -ENOMEM. Fixes: 8c1b6e69dcc1 ("bpf: Compare BTF types of functions arguments with actual types") Signed-off-by: Dan Carpenter Signed-off-by: Daniel Borkmann Acked-by: Song Liu Link: https://lore.kernel.org/bpf/20200604085436.GA943001@mwanda Signed-off-by: Sasha Levin --- kernel/bpf/verifier.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index efe14cf24bc65..739d9ba3ba6b7 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -7366,7 +7366,7 @@ static int check_btf_func(struct bpf_verifier_env *env, const struct btf *btf; void __user *urecord; u32 prev_offset = 0; - int ret = 0; + int ret = -ENOMEM; nfuncs = attr->func_info_cnt; if (!nfuncs) -- 2.50.1