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6007b23cc7
A lot of tests require unaligned memory access to work. Mark the tests as such, so that they can be avoided on unsupported architectures such as RISC-V. Signed-off-by: Björn Töpel <bjorn.topel@gmail.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Luke Nelson <luke.r.nels@gmail.com> Link: https://lore.kernel.org/bpf/20201118071640.83773-4-bjorn.topel@gmail.com
351 lines
8.2 KiB
C
351 lines
8.2 KiB
C
{
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"direct map access, write test 1",
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.insns = {
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BPF_MOV64_IMM(BPF_REG_0, 1),
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BPF_LD_MAP_VALUE(BPF_REG_1, 0, 0),
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BPF_ST_MEM(BPF_DW, BPF_REG_1, 0, 4242),
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BPF_EXIT_INSN(),
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},
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.fixup_map_array_48b = { 1 },
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.result = ACCEPT,
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.retval = 1,
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},
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{
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"direct map access, write test 2",
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.insns = {
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BPF_MOV64_IMM(BPF_REG_0, 1),
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BPF_LD_MAP_VALUE(BPF_REG_1, 0, 8),
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BPF_ST_MEM(BPF_DW, BPF_REG_1, 0, 4242),
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BPF_EXIT_INSN(),
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},
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.fixup_map_array_48b = { 1 },
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.result = ACCEPT,
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.retval = 1,
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},
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{
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"direct map access, write test 3",
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.insns = {
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BPF_MOV64_IMM(BPF_REG_0, 1),
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BPF_LD_MAP_VALUE(BPF_REG_1, 0, 8),
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BPF_ST_MEM(BPF_DW, BPF_REG_1, 8, 4242),
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BPF_EXIT_INSN(),
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},
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.fixup_map_array_48b = { 1 },
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.result = ACCEPT,
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.retval = 1,
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},
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{
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"direct map access, write test 4",
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.insns = {
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BPF_MOV64_IMM(BPF_REG_0, 1),
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BPF_LD_MAP_VALUE(BPF_REG_1, 0, 40),
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BPF_ST_MEM(BPF_DW, BPF_REG_1, 0, 4242),
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BPF_EXIT_INSN(),
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},
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.fixup_map_array_48b = { 1 },
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.result = ACCEPT,
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.retval = 1,
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},
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{
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"direct map access, write test 5",
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.insns = {
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BPF_MOV64_IMM(BPF_REG_0, 1),
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BPF_LD_MAP_VALUE(BPF_REG_1, 0, 32),
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BPF_ST_MEM(BPF_DW, BPF_REG_1, 8, 4242),
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BPF_EXIT_INSN(),
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},
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.fixup_map_array_48b = { 1 },
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.result = ACCEPT,
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.retval = 1,
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},
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{
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"direct map access, write test 6",
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.insns = {
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BPF_MOV64_IMM(BPF_REG_0, 1),
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BPF_LD_MAP_VALUE(BPF_REG_1, 0, 40),
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BPF_ST_MEM(BPF_DW, BPF_REG_1, 4, 4242),
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BPF_EXIT_INSN(),
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},
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.fixup_map_array_48b = { 1 },
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.result = REJECT,
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.errstr = "R1 min value is outside of the allowed memory range",
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.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
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},
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{
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"direct map access, write test 7",
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.insns = {
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BPF_MOV64_IMM(BPF_REG_0, 1),
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BPF_LD_MAP_VALUE(BPF_REG_1, 0, -1),
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BPF_ST_MEM(BPF_DW, BPF_REG_1, 4, 4242),
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BPF_EXIT_INSN(),
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},
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.fixup_map_array_48b = { 1 },
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.result = REJECT,
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.errstr = "direct value offset of 4294967295 is not allowed",
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},
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{
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"direct map access, write test 8",
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.insns = {
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BPF_MOV64_IMM(BPF_REG_0, 1),
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BPF_LD_MAP_VALUE(BPF_REG_1, 0, 1),
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BPF_ST_MEM(BPF_DW, BPF_REG_1, -1, 4242),
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BPF_EXIT_INSN(),
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},
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.fixup_map_array_48b = { 1 },
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.result = ACCEPT,
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.retval = 1,
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},
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{
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"direct map access, write test 9",
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.insns = {
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BPF_MOV64_IMM(BPF_REG_0, 1),
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BPF_LD_MAP_VALUE(BPF_REG_1, 0, 48),
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BPF_ST_MEM(BPF_DW, BPF_REG_1, 0, 4242),
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BPF_EXIT_INSN(),
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},
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.fixup_map_array_48b = { 1 },
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.result = REJECT,
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.errstr = "invalid access to map value pointer",
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},
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{
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"direct map access, write test 10",
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.insns = {
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BPF_MOV64_IMM(BPF_REG_0, 1),
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BPF_LD_MAP_VALUE(BPF_REG_1, 0, 47),
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BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 4),
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BPF_EXIT_INSN(),
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},
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.fixup_map_array_48b = { 1 },
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.result = ACCEPT,
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.retval = 1,
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},
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{
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"direct map access, write test 11",
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.insns = {
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BPF_MOV64_IMM(BPF_REG_0, 1),
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BPF_LD_MAP_VALUE(BPF_REG_1, 0, 48),
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BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 4),
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BPF_EXIT_INSN(),
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},
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.fixup_map_array_48b = { 1 },
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.result = REJECT,
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.errstr = "invalid access to map value pointer",
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},
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{
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"direct map access, write test 12",
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.insns = {
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BPF_MOV64_IMM(BPF_REG_0, 1),
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BPF_LD_MAP_VALUE(BPF_REG_1, 0, (1<<29)),
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BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 4),
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BPF_EXIT_INSN(),
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},
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.fixup_map_array_48b = { 1 },
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.result = REJECT,
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.errstr = "direct value offset of 536870912 is not allowed",
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},
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{
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"direct map access, write test 13",
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.insns = {
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BPF_MOV64_IMM(BPF_REG_0, 1),
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BPF_LD_MAP_VALUE(BPF_REG_1, 0, (1<<29)-1),
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BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 4),
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BPF_EXIT_INSN(),
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},
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.fixup_map_array_48b = { 1 },
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.result = REJECT,
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.errstr = "invalid access to map value pointer, value_size=48 off=536870911",
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},
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{
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"direct map access, write test 14",
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.insns = {
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BPF_MOV64_IMM(BPF_REG_0, 1),
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BPF_LD_MAP_VALUE(BPF_REG_1, 0, 47),
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BPF_LD_MAP_VALUE(BPF_REG_2, 0, 46),
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BPF_ST_MEM(BPF_H, BPF_REG_2, 0, 0xffff),
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BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
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BPF_EXIT_INSN(),
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},
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.fixup_map_array_48b = { 1, 3 },
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.result = ACCEPT,
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.retval = 0xff,
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},
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{
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"direct map access, write test 15",
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.insns = {
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BPF_MOV64_IMM(BPF_REG_0, 1),
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BPF_LD_MAP_VALUE(BPF_REG_1, 0, 46),
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BPF_LD_MAP_VALUE(BPF_REG_2, 0, 46),
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BPF_ST_MEM(BPF_H, BPF_REG_2, 0, 0xffff),
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BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1, 0),
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BPF_EXIT_INSN(),
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},
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.fixup_map_array_48b = { 1, 3 },
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.result = ACCEPT,
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.retval = 0xffff,
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},
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{
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"direct map access, write test 16",
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.insns = {
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BPF_MOV64_IMM(BPF_REG_0, 1),
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BPF_LD_MAP_VALUE(BPF_REG_1, 0, 46),
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BPF_LD_MAP_VALUE(BPF_REG_2, 0, 47),
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BPF_ST_MEM(BPF_H, BPF_REG_2, 0, 0xffff),
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BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1, 0),
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BPF_EXIT_INSN(),
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},
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.fixup_map_array_48b = { 1, 3 },
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.result = REJECT,
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.errstr = "invalid access to map value, value_size=48 off=47 size=2",
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.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
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},
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{
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"direct map access, write test 17",
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.insns = {
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BPF_MOV64_IMM(BPF_REG_0, 1),
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BPF_LD_MAP_VALUE(BPF_REG_1, 0, 46),
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BPF_LD_MAP_VALUE(BPF_REG_2, 0, 46),
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BPF_ST_MEM(BPF_H, BPF_REG_2, 1, 0xffff),
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BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1, 0),
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BPF_EXIT_INSN(),
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},
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.fixup_map_array_48b = { 1, 3 },
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.result = REJECT,
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.errstr = "invalid access to map value, value_size=48 off=47 size=2",
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.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
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},
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{
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"direct map access, write test 18",
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.insns = {
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BPF_MOV64_IMM(BPF_REG_0, 1),
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BPF_LD_MAP_VALUE(BPF_REG_1, 0, 0),
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BPF_ST_MEM(BPF_H, BPF_REG_1, 0, 42),
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BPF_EXIT_INSN(),
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},
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.fixup_map_array_small = { 1 },
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.result = REJECT,
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.errstr = "R1 min value is outside of the allowed memory range",
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},
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{
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"direct map access, write test 19",
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.insns = {
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BPF_MOV64_IMM(BPF_REG_0, 1),
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BPF_LD_MAP_VALUE(BPF_REG_1, 0, 0),
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BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
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BPF_EXIT_INSN(),
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},
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.fixup_map_array_small = { 1 },
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.result = ACCEPT,
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.retval = 1,
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},
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{
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"direct map access, write test 20",
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.insns = {
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BPF_MOV64_IMM(BPF_REG_0, 1),
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BPF_LD_MAP_VALUE(BPF_REG_1, 0, 1),
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BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
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BPF_EXIT_INSN(),
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},
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.fixup_map_array_small = { 1 },
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.result = REJECT,
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.errstr = "invalid access to map value pointer",
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},
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{
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"direct map access, invalid insn test 1",
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.insns = {
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BPF_MOV64_IMM(BPF_REG_0, 1),
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BPF_LD_IMM64_RAW_FULL(BPF_REG_1, BPF_PSEUDO_MAP_VALUE, 0, 1, 0, 47),
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BPF_EXIT_INSN(),
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},
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.fixup_map_array_48b = { 1 },
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.result = REJECT,
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.errstr = "invalid bpf_ld_imm64 insn",
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},
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{
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"direct map access, invalid insn test 2",
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.insns = {
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BPF_MOV64_IMM(BPF_REG_0, 1),
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BPF_LD_IMM64_RAW_FULL(BPF_REG_1, BPF_PSEUDO_MAP_VALUE, 1, 0, 0, 47),
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BPF_EXIT_INSN(),
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},
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.fixup_map_array_48b = { 1 },
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.result = REJECT,
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.errstr = "BPF_LD_IMM64 uses reserved fields",
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},
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{
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"direct map access, invalid insn test 3",
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.insns = {
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BPF_MOV64_IMM(BPF_REG_0, 1),
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BPF_LD_IMM64_RAW_FULL(BPF_REG_1, BPF_PSEUDO_MAP_VALUE, ~0, 0, 0, 47),
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BPF_EXIT_INSN(),
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},
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.fixup_map_array_48b = { 1 },
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.result = REJECT,
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.errstr = "BPF_LD_IMM64 uses reserved fields",
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},
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{
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"direct map access, invalid insn test 4",
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.insns = {
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BPF_MOV64_IMM(BPF_REG_0, 1),
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BPF_LD_IMM64_RAW_FULL(BPF_REG_1, BPF_PSEUDO_MAP_VALUE, 0, ~0, 0, 47),
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BPF_EXIT_INSN(),
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},
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.fixup_map_array_48b = { 1 },
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.result = REJECT,
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.errstr = "invalid bpf_ld_imm64 insn",
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},
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{
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"direct map access, invalid insn test 5",
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.insns = {
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BPF_MOV64_IMM(BPF_REG_0, 1),
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BPF_LD_IMM64_RAW_FULL(BPF_REG_1, BPF_PSEUDO_MAP_VALUE, ~0, ~0, 0, 47),
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BPF_EXIT_INSN(),
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},
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.fixup_map_array_48b = { 1 },
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.result = REJECT,
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.errstr = "invalid bpf_ld_imm64 insn",
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},
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{
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"direct map access, invalid insn test 6",
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.insns = {
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BPF_MOV64_IMM(BPF_REG_0, 1),
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BPF_LD_IMM64_RAW_FULL(BPF_REG_1, BPF_PSEUDO_MAP_FD, ~0, 0, 0, 0),
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BPF_EXIT_INSN(),
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},
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.fixup_map_array_48b = { 1 },
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.result = REJECT,
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.errstr = "BPF_LD_IMM64 uses reserved fields",
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},
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{
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"direct map access, invalid insn test 7",
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.insns = {
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BPF_MOV64_IMM(BPF_REG_0, 1),
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BPF_LD_IMM64_RAW_FULL(BPF_REG_1, BPF_PSEUDO_MAP_FD, 0, ~0, 0, 0),
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BPF_EXIT_INSN(),
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},
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.fixup_map_array_48b = { 1 },
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.result = REJECT,
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.errstr = "invalid bpf_ld_imm64 insn",
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},
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{
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"direct map access, invalid insn test 8",
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.insns = {
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BPF_MOV64_IMM(BPF_REG_0, 1),
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BPF_LD_IMM64_RAW_FULL(BPF_REG_1, BPF_PSEUDO_MAP_FD, ~0, ~0, 0, 0),
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BPF_EXIT_INSN(),
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},
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.fixup_map_array_48b = { 1 },
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.result = REJECT,
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.errstr = "invalid bpf_ld_imm64 insn",
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},
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{
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"direct map access, invalid insn test 9",
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.insns = {
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BPF_MOV64_IMM(BPF_REG_0, 1),
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BPF_LD_IMM64_RAW_FULL(BPF_REG_1, BPF_PSEUDO_MAP_FD, 0, 0, 0, 47),
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BPF_EXIT_INSN(),
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},
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.fixup_map_array_48b = { 1 },
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.result = REJECT,
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.errstr = "unrecognized bpf_ld_imm64 insn",
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},
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