From: Dan Carpenter dan.carpenter@oracle.com
[ 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 dan.carpenter@oracle.com Signed-off-by: Daniel Borkmann daniel@iogearbox.net Acked-by: Song Liu songliubraving@fb.com Link: https://lore.kernel.org/bpf/20200604085436.GA943001@mwanda Signed-off-by: Sasha Levin sashal@kernel.org --- 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 efe14cf24bc6..739d9ba3ba6b 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)