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Message-Id: <20180528100340.240809097@linuxfoundation.org>
Date: Mon, 28 May 2018 12:04:28 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org,
Prashant Bhole <bhole_prashant_q7@....ntt.co.jp>,
Willem de Bruijn <willemb@...gle.com>,
"David S. Miller" <davem@...emloft.net>,
Sasha Levin <alexander.levin@...rosoft.com>
Subject: [PATCH 4.14 483/496] selftests/net: fixes psock_fanout eBPF test case
4.14-stable review patch. If anyone has any objections, please let me know.
------------------
From: Prashant Bhole <bhole_prashant_q7@....ntt.co.jp>
[ 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@....ntt.co.jp>
Acked-by: Willem de Bruijn <willemb@...gle.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
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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