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bpf, selftests: Use bpf_probe_read_kernel

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Since commit 0ebeea8ca8 ("bpf: Restrict bpf_probe_read{, str}() only to
archs where they work") 44 verifier tests fail on s390 due to not having
bpf_probe_read anymore. Fix by using bpf_probe_read_kernel.

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20200602174448.2501214-1-iii@linux.ibm.com
This commit is contained in:
Ilya Leoshkevich
2020-06-02 19:44:48 +02:00
committed by Daniel Borkmann
parent 33d21f1820
commit 9bc499befe
4 changed files with 48 additions and 48 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
tools/testing/selftests/bpf/verifier/precise.c
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@@ -31,14 +31,14 @@
BPF_MOV64_REG(BPF_REG_1, BPF_REG_FP),
BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
BPF_MOV64_IMM(BPF_REG_3, 0),
BPF_EMIT_CALL(BPF_FUNC_probe_read),
BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
.fixup_map_array_48b = { 1 },
.result = VERBOSE_ACCEPT,
.errstr =
"26: (85) call bpf_probe_read#4\
"26: (85) call bpf_probe_read_kernel#113\
last_idx 26 first_idx 20\
regs=4 stack=0 before 25\
regs=4 stack=0 before 24\
@@ -91,7 +91,7 @@
BPF_MOV64_REG(BPF_REG_1, BPF_REG_FP),
BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
BPF_MOV64_IMM(BPF_REG_3, 0),
BPF_EMIT_CALL(BPF_FUNC_probe_read),
BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
@@ -99,7 +99,7 @@
.result = VERBOSE_ACCEPT,
.flags = BPF_F_TEST_STATE_FREQ,
.errstr =
"26: (85) call bpf_probe_read#4\
"26: (85) call bpf_probe_read_kernel#113\
last_idx 26 first_idx 22\
regs=4 stack=0 before 25\
regs=4 stack=0 before 24\