[PATCH][next] bpf: fix memory leak on object 'data'
From: Colin King <hidden>
Date: 2019-11-18 11:41:10
Also in:
bpf, kernel-janitors, lkml
Subsystem:
bpf [general] (safe dynamic programs and tools), networking [general], the rest · Maintainers:
Alexei Starovoitov, Daniel Borkmann, Andrii Nakryiko, Eduard Zingerman, Kumar Kartikeya Dwivedi, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Colin Ian King <redacted>
The error return path on when bpf_fentry_test* tests fail does not
kfree 'data'. Fix this by adding the missing kfree.
Addresses-Coverity: ("Resource leak")
Fixes: faeb2dce084a ("bpf: Add kernel test functions for fentry testing")
Signed-off-by: Colin Ian King <redacted>
---
net/bpf/test_run.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/net/bpf/test_run.c b/net/bpf/test_run.c
index 62933279fbba..915c2d6f7fb9 100644
--- a/net/bpf/test_run.c
+++ b/net/bpf/test_run.c@@ -161,8 +161,10 @@ static void *bpf_test_init(const union bpf_attr *kattr, u32 size, bpf_fentry_test3(4, 5, 6) != 15 || bpf_fentry_test4((void *)7, 8, 9, 10) != 34 || bpf_fentry_test5(11, (void *)12, 13, 14, 15) != 65 || - bpf_fentry_test6(16, (void *)17, 18, 19, (void *)20, 21) != 111) + bpf_fentry_test6(16, (void *)17, 18, 19, (void *)20, 21) != 111) { + kfree(data); return ERR_PTR(-EFAULT); + } return data; }
--
2.24.0