selftests/net: fixes psock_fanout eBPF test case
authorPrashant Bhole <bhole_prashant_q7@lab.ntt.co.jp>
Thu, 15 Feb 2018 00:19:26 +0000 (09:19 +0900)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 30 May 2018 05:52:40 +0000 (07:52 +0200)
[ 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>
tools/testing/selftests/net/psock_fanout.c

index 989f917..d4346b1 100644 (file)
@@ -128,6 +128,8 @@ static void sock_fanout_getopts(int fd, uint16_t *typeflags, uint16_t *group_id)
 
 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;