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authorAlexei Starovoitov <ast@plumgrid.com>2014-06-07 00:48:20 (GMT)
committerDavid S. Miller <davem@davemloft.net>2014-06-11 07:13:16 (GMT)
commitdf6d0f983a59c333bc2b0cb82b65441b34310cf7 (patch)
tree88702d7db2e6fc50e04876d8ea389b99d99d61c3 /lib/test_bpf.c
parente430f34ee5192c84bcabd3c79ab7e2388b5eec74 (diff)
net: filter: fix nlattr and nlattr_nest BPF tests
- 'struct nlattr' must be 2 byte aligned - provide big-endian input data for nlattr/nlattr_nest tests Signed-off-by: Alexei Starovoitov <ast@plumgrid.com> Acked-by: Daniel Borkmann <dborkman@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'lib/test_bpf.c')
-rw-r--r--lib/test_bpf.c34
1 files changed, 21 insertions, 13 deletions
diff --git a/lib/test_bpf.c b/lib/test_bpf.c
index ea60ad8..c579e0f 100644
--- a/lib/test_bpf.c
+++ b/lib/test_bpf.c
@@ -385,7 +385,7 @@ static struct bpf_test tests[] = {
{
"LD_NLATTR",
.u.insns = {
- BPF_STMT(BPF_LDX | BPF_IMM, 1),
+ BPF_STMT(BPF_LDX | BPF_IMM, 2),
BPF_STMT(BPF_MISC | BPF_TXA, 0),
BPF_STMT(BPF_LDX | BPF_IMM, 3),
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
@@ -393,42 +393,50 @@ static struct bpf_test tests[] = {
BPF_STMT(BPF_RET | BPF_A, 0)
},
CLASSIC,
- { 0xff, 4, 0, 2, 0, 4, 0, 3, 0 },
- { { 4, 0 }, { 20, 5 } },
+#ifdef __BIG_ENDIAN
+ { 0xff, 0xff, 0, 4, 0, 2, 0, 4, 0, 3 },
+#else
+ { 0xff, 0xff, 4, 0, 2, 0, 4, 0, 3, 0 },
+#endif
+ { { 4, 0 }, { 20, 6 } },
},
{
"LD_NLATTR_NEST",
.u.insns = {
- BPF_STMT(BPF_LD | BPF_IMM, 1),
+ BPF_STMT(BPF_LD | BPF_IMM, 2),
BPF_STMT(BPF_LDX | BPF_IMM, 3),
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
SKF_AD_OFF + SKF_AD_NLATTR_NEST),
- BPF_STMT(BPF_LD | BPF_IMM, 1),
+ BPF_STMT(BPF_LD | BPF_IMM, 2),
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
SKF_AD_OFF + SKF_AD_NLATTR_NEST),
- BPF_STMT(BPF_LD | BPF_IMM, 1),
+ BPF_STMT(BPF_LD | BPF_IMM, 2),
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
SKF_AD_OFF + SKF_AD_NLATTR_NEST),
- BPF_STMT(BPF_LD | BPF_IMM, 1),
+ BPF_STMT(BPF_LD | BPF_IMM, 2),
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
SKF_AD_OFF + SKF_AD_NLATTR_NEST),
- BPF_STMT(BPF_LD | BPF_IMM, 1),
+ BPF_STMT(BPF_LD | BPF_IMM, 2),
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
SKF_AD_OFF + SKF_AD_NLATTR_NEST),
- BPF_STMT(BPF_LD | BPF_IMM, 1),
+ BPF_STMT(BPF_LD | BPF_IMM, 2),
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
SKF_AD_OFF + SKF_AD_NLATTR_NEST),
- BPF_STMT(BPF_LD | BPF_IMM, 1),
+ BPF_STMT(BPF_LD | BPF_IMM, 2),
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
SKF_AD_OFF + SKF_AD_NLATTR_NEST),
- BPF_STMT(BPF_LD | BPF_IMM, 1),
+ BPF_STMT(BPF_LD | BPF_IMM, 2),
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
SKF_AD_OFF + SKF_AD_NLATTR_NEST),
BPF_STMT(BPF_RET | BPF_A, 0)
},
CLASSIC,
- { 0xff, 12, 0, 1, 0, 4, 0, 2, 0, 4, 0, 3, 0 },
- { { 4, 0 }, { 20, 9 } },
+#ifdef __BIG_ENDIAN
+ { 0xff, 0xff, 0, 12, 0, 1, 0, 4, 0, 2, 0, 4, 0, 3 },
+#else
+ { 0xff, 0xff, 12, 0, 1, 0, 4, 0, 2, 0, 4, 0, 3, 0 },
+#endif
+ { { 4, 0 }, { 20, 10 } },
},
{
"LD_PAYLOAD_OFF",

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