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From: Johan Almbladh <johan.almbladh@anyfinetworks.com>
To: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org,
iii@linux.ibm.com
Cc: kafai@fb.com, songliubraving@fb.com, yhs@fb.com,
john.fastabend@gmail.com, kpsingh@kernel.org,
netdev@vger.kernel.org, bpf@vger.kernel.org,
Johan Almbladh <johan.almbladh@anyfinetworks.com>
Subject: [PATCH bpf-next 08/13] bpf/tests: Add test case flag for verifier zero-extension
Date: Thu, 2 Sep 2021 20:52:24 +0200 [thread overview]
Message-ID: <20210902185229.1840281-9-johan.almbladh@anyfinetworks.com> (raw)
In-Reply-To: <20210902185229.1840281-1-johan.almbladh@anyfinetworks.com>
This patch adds a new flag to indicate that the verified did insert
zero-extensions, even though the verifier is not being run for any
of the tests.
Signed-off-by: Johan Almbladh <johan.almbladh@anyfinetworks.com>
---
lib/test_bpf.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/lib/test_bpf.c b/lib/test_bpf.c
index 3af8421ceb94..183ead9445ba 100644
--- a/lib/test_bpf.c
+++ b/lib/test_bpf.c
@@ -52,6 +52,7 @@
#define FLAG_NO_DATA BIT(0)
#define FLAG_EXPECTED_FAIL BIT(1)
#define FLAG_SKB_FRAG BIT(2)
+#define FLAG_VERIFIER_ZEXT BIT(3)
enum {
CLASSIC = BIT(6), /* Old BPF instructions only. */
@@ -11278,6 +11279,8 @@ static struct bpf_prog *generate_filter(int which, int *err)
fp->type = BPF_PROG_TYPE_SOCKET_FILTER;
memcpy(fp->insnsi, fptr, fp->len * sizeof(struct bpf_insn));
fp->aux->stack_depth = tests[which].stack_depth;
+ fp->aux->verifier_zext = !!(tests[which].aux &
+ FLAG_VERIFIER_ZEXT);
/* We cannot error here as we don't need type compatibility
* checks.
--
2.25.1
next prev parent reply other threads:[~2021-09-02 18:53 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-02 18:52 [PATCH bpf-next 00/13] bpf/tests: Extend JIT test suite coverage Johan Almbladh
2021-09-02 18:52 ` [PATCH bpf-next 01/13] bpf/tests: Allow different number of runs per test case Johan Almbladh
2021-09-02 18:52 ` [PATCH bpf-next 02/13] bpf/tests: Reduce memory footprint of test suite Johan Almbladh
2021-09-02 18:52 ` [PATCH bpf-next 03/13] bpf/tests: Add exhaustive tests of ALU shift values Johan Almbladh
2021-09-03 6:39 ` kernel test robot
2021-09-02 18:52 ` [PATCH bpf-next 04/13] bpf/tests: Add exhaustive tests of ALU operand magnitudes Johan Almbladh
2021-09-02 18:52 ` [PATCH bpf-next 05/13] bpf/tests: Add exhaustive tests of JMP " Johan Almbladh
2021-09-02 18:52 ` [PATCH bpf-next 06/13] bpf/tests: Add staggered JMP and JMP32 tests Johan Almbladh
2021-09-03 8:22 ` Johan Almbladh
2021-09-02 18:52 ` [PATCH bpf-next 07/13] bpf/tests: Add exhaustive test of LD_IMM64 immediate magnitudes Johan Almbladh
2021-09-02 18:52 ` Johan Almbladh [this message]
2021-09-02 18:52 ` [PATCH bpf-next 09/13] bpf/tests: Add JMP tests with small offsets Johan Almbladh
2021-09-02 18:52 ` [PATCH bpf-next 10/13] bpf/tests: Add JMP tests with degenerate conditional Johan Almbladh
2021-09-02 18:52 ` [PATCH bpf-next 11/13] bpf/tests: Expand branch conversion JIT test Johan Almbladh
2021-09-02 18:52 ` [PATCH bpf-next 12/13] bpf/tests: Add more BPF_END byte order conversion tests Johan Almbladh
2021-09-02 18:52 ` [PATCH bpf-next 13/13] bpf/tests: Add tail call limit test with external function call Johan Almbladh
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