[PATCH 4.16 255/272] selftests/net: fixes psock_fanout eBPF test case

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4.16-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Prashant Bhole <bhole_prashant_q7@xxxxxxxxxxxxx>

[ 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@xxxxxxxxxxxxx>
Acked-by: Willem de Bruijn <willemb@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 tools/testing/selftests/net/psock_fanout.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/tools/testing/selftests/net/psock_fanout.c
+++ b/tools/testing/selftests/net/psock_fanout.c
@@ -128,6 +128,8 @@ static void sock_fanout_getopts(int fd,
 
 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 },
@@ -140,7 +142,6 @@ 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;
 





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