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* [PATCH bpf-next] bpf: Increase MAX_NR_MAPS to 17 in test_verifier.c
@ 2019-04-18 21:33 Martin KaFai Lau
  2019-04-18 21:45 ` Yonghong Song
  2019-04-18 23:11 ` Alexei Starovoitov
  0 siblings, 2 replies; 3+ messages in thread
From: Martin KaFai Lau @ 2019-04-18 21:33 UTC (permalink / raw)
  To: bpf, netdev
  Cc: Alexei Starovoitov, Daniel Borkmann, kernel-team, Yonghong Song

map_fds[16] is the last one index-ed by fixup_map_array_small.
Hence, the MAX_NR_MAPS should be 17 instead.

Fixes: fb2abb73e575 ("bpf, selftest: test {rd, wr}only flags and direct value access")
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
---
 tools/testing/selftests/bpf/test_verifier.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/bpf/test_verifier.c b/tools/testing/selftests/bpf/test_verifier.c
index 6cb6a1074fd1..ed9e894afef3 100644
--- a/tools/testing/selftests/bpf/test_verifier.c
+++ b/tools/testing/selftests/bpf/test_verifier.c
@@ -52,7 +52,7 @@
 #define MAX_INSNS	BPF_MAXINSNS
 #define MAX_TEST_INSNS	1000000
 #define MAX_FIXUPS	8
-#define MAX_NR_MAPS	16
+#define MAX_NR_MAPS	17
 #define MAX_TEST_RUNS	8
 #define POINTER_VALUE	0xcafe4all
 #define TEST_DATA_LEN	64
-- 
2.17.1


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH bpf-next] bpf: Increase MAX_NR_MAPS to 17 in test_verifier.c
  2019-04-18 21:33 [PATCH bpf-next] bpf: Increase MAX_NR_MAPS to 17 in test_verifier.c Martin KaFai Lau
@ 2019-04-18 21:45 ` Yonghong Song
  2019-04-18 23:11 ` Alexei Starovoitov
  1 sibling, 0 replies; 3+ messages in thread
From: Yonghong Song @ 2019-04-18 21:45 UTC (permalink / raw)
  To: Martin Lau, bpf, netdev; +Cc: Alexei Starovoitov, Daniel Borkmann, Kernel Team



On 4/18/19 2:33 PM, Martin KaFai Lau wrote:
> map_fds[16] is the last one index-ed by fixup_map_array_small.
> Hence, the MAX_NR_MAPS should be 17 instead.
> 
> Fixes: fb2abb73e575 ("bpf, selftest: test {rd, wr}only flags and direct value access")
> Signed-off-by: Martin KaFai Lau <kafai@fb.com>

Acked-by: Yonghong Song <yhs@fb.com>

> ---
>   tools/testing/selftests/bpf/test_verifier.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/testing/selftests/bpf/test_verifier.c b/tools/testing/selftests/bpf/test_verifier.c
> index 6cb6a1074fd1..ed9e894afef3 100644
> --- a/tools/testing/selftests/bpf/test_verifier.c
> +++ b/tools/testing/selftests/bpf/test_verifier.c
> @@ -52,7 +52,7 @@
>   #define MAX_INSNS	BPF_MAXINSNS
>   #define MAX_TEST_INSNS	1000000
>   #define MAX_FIXUPS	8
> -#define MAX_NR_MAPS	16
> +#define MAX_NR_MAPS	17
>   #define MAX_TEST_RUNS	8
>   #define POINTER_VALUE	0xcafe4all
>   #define TEST_DATA_LEN	64
> 

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH bpf-next] bpf: Increase MAX_NR_MAPS to 17 in test_verifier.c
  2019-04-18 21:33 [PATCH bpf-next] bpf: Increase MAX_NR_MAPS to 17 in test_verifier.c Martin KaFai Lau
  2019-04-18 21:45 ` Yonghong Song
@ 2019-04-18 23:11 ` Alexei Starovoitov
  1 sibling, 0 replies; 3+ messages in thread
From: Alexei Starovoitov @ 2019-04-18 23:11 UTC (permalink / raw)
  To: Martin KaFai Lau
  Cc: bpf, Network Development, Alexei Starovoitov, Daniel Borkmann,
	Kernel Team, Yonghong Song

On Thu, Apr 18, 2019 at 2:34 PM Martin KaFai Lau <kafai@fb.com> wrote:
>
> map_fds[16] is the last one index-ed by fixup_map_array_small.
> Hence, the MAX_NR_MAPS should be 17 instead.
>
> Fixes: fb2abb73e575 ("bpf, selftest: test {rd, wr}only flags and direct value access")
> Signed-off-by: Martin KaFai Lau <kafai@fb.com>

Applied. Thanks

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2019-04-18 23:11 UTC | newest]

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2019-04-18 21:33 [PATCH bpf-next] bpf: Increase MAX_NR_MAPS to 17 in test_verifier.c Martin KaFai Lau
2019-04-18 21:45 ` Yonghong Song
2019-04-18 23:11 ` Alexei Starovoitov

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