From: Prashant Bhole <bhole_prashant_q7@lab.ntt.co.jp>
Date: Thu, 15 Feb 2018 00:19:26 +0000 (+0900)
Subject: selftests/net: fixes psock_fanout eBPF test case
X-Git-Tag: v4.9.104~8
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=66380cb5b98fd7ec5a4e774f755156d8d88fc33b;p=thirdparty%2Fkernel%2Fstable.git

selftests/net: fixes psock_fanout eBPF test case

[ Upstream commit ddd0010392d9cbcb95b53d11b7cafc67b373ab56 ]

eBPF test fails due to verifier failure because log_buf is too small.
Fixed by increasing log_buf size

Signed-off-by: Prashant Bhole <bhole_prashant_q7@lab.ntt.co.jp>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/tools/testing/selftests/net/psock_fanout.c b/tools/testing/selftests/net/psock_fanout.c
index 4124593696862..9b654a070e7d8 100644
--- a/tools/testing/selftests/net/psock_fanout.c
+++ b/tools/testing/selftests/net/psock_fanout.c
@@ -97,6 +97,8 @@ static int sock_fanout_open(uint16_t typeflags, int num_packets)
 
 static void sock_fanout_set_ebpf(int fd)
 {
+	static char log_buf[65536];
+
 	const int len_off = __builtin_offsetof(struct __sk_buff, len);
 	struct bpf_insn prog[] = {
 		{ BPF_ALU64 | BPF_MOV | BPF_X,   6, 1, 0, 0 },
@@ -109,7 +111,6 @@ static void sock_fanout_set_ebpf(int fd)
 		{ BPF_ALU   | BPF_MOV | BPF_K,   0, 0, 0, 0 },
 		{ BPF_JMP   | BPF_EXIT,          0, 0, 0, 0 }
 	};
-	char log_buf[512];
 	union bpf_attr attr;
 	int pfd;