9bc499befe
Since commit 0ebeea8ca8a4 ("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
61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
{
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"constant register |= constant should keep constant type",
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.insns = {
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BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -48),
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BPF_MOV64_IMM(BPF_REG_2, 34),
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BPF_ALU64_IMM(BPF_OR, BPF_REG_2, 13),
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BPF_MOV64_IMM(BPF_REG_3, 0),
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BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
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BPF_EXIT_INSN(),
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},
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.result = ACCEPT,
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.prog_type = BPF_PROG_TYPE_TRACEPOINT,
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},
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{
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"constant register |= constant should not bypass stack boundary checks",
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.insns = {
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BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -48),
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BPF_MOV64_IMM(BPF_REG_2, 34),
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BPF_ALU64_IMM(BPF_OR, BPF_REG_2, 24),
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BPF_MOV64_IMM(BPF_REG_3, 0),
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BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
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BPF_EXIT_INSN(),
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},
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.errstr = "invalid stack type R1 off=-48 access_size=58",
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.result = REJECT,
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.prog_type = BPF_PROG_TYPE_TRACEPOINT,
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},
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{
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"constant register |= constant register should keep constant type",
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.insns = {
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BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -48),
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BPF_MOV64_IMM(BPF_REG_2, 34),
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BPF_MOV64_IMM(BPF_REG_4, 13),
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BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_4),
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BPF_MOV64_IMM(BPF_REG_3, 0),
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BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
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BPF_EXIT_INSN(),
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},
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.result = ACCEPT,
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.prog_type = BPF_PROG_TYPE_TRACEPOINT,
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},
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{
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"constant register |= constant register should not bypass stack boundary checks",
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.insns = {
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BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -48),
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BPF_MOV64_IMM(BPF_REG_2, 34),
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BPF_MOV64_IMM(BPF_REG_4, 24),
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BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_4),
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BPF_MOV64_IMM(BPF_REG_3, 0),
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BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
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BPF_EXIT_INSN(),
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},
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.errstr = "invalid stack type R1 off=-48 access_size=58",
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.result = REJECT,
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.prog_type = BPF_PROG_TYPE_TRACEPOINT,
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},
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