mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-31 16:38:12 +00:00
40f2fbd5a5
Break up the first 10 kLoC of test verifier test cases out into smaller files. Looks like git line counting gets a little flismy above 16 bit integers, so we need two commits to break up test_verifier. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Acked-by: Jiong Wang <jiong.wang@netronome.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
104 lines
3.3 KiB
C
104 lines
3.3 KiB
C
{
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"map element value store of cleared call register",
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.insns = {
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BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
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BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
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BPF_LD_MAP_FD(BPF_REG_1, 0),
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BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
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BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
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BPF_STX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 0),
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BPF_EXIT_INSN(),
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},
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.fixup_map_hash_48b = { 3 },
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.errstr_unpriv = "R1 !read_ok",
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.errstr = "R1 !read_ok",
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.result = REJECT,
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.result_unpriv = REJECT,
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},
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{
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"map element value with unaligned store",
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.insns = {
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BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
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BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
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BPF_LD_MAP_FD(BPF_REG_1, 0),
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BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
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BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 17),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 3),
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BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 42),
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BPF_ST_MEM(BPF_DW, BPF_REG_0, 2, 43),
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BPF_ST_MEM(BPF_DW, BPF_REG_0, -2, 44),
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BPF_MOV64_REG(BPF_REG_8, BPF_REG_0),
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BPF_ST_MEM(BPF_DW, BPF_REG_8, 0, 32),
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BPF_ST_MEM(BPF_DW, BPF_REG_8, 2, 33),
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BPF_ST_MEM(BPF_DW, BPF_REG_8, -2, 34),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_8, 5),
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BPF_ST_MEM(BPF_DW, BPF_REG_8, 0, 22),
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BPF_ST_MEM(BPF_DW, BPF_REG_8, 4, 23),
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BPF_ST_MEM(BPF_DW, BPF_REG_8, -7, 24),
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BPF_MOV64_REG(BPF_REG_7, BPF_REG_8),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, 3),
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BPF_ST_MEM(BPF_DW, BPF_REG_7, 0, 22),
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BPF_ST_MEM(BPF_DW, BPF_REG_7, 4, 23),
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BPF_ST_MEM(BPF_DW, BPF_REG_7, -4, 24),
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BPF_EXIT_INSN(),
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},
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.fixup_map_hash_48b = { 3 },
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.errstr_unpriv = "R0 leaks addr",
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.result = ACCEPT,
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.result_unpriv = REJECT,
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.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
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},
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{
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"map element value with unaligned load",
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.insns = {
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BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
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BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
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BPF_LD_MAP_FD(BPF_REG_1, 0),
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BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
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BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 11),
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BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
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BPF_JMP_IMM(BPF_JGE, BPF_REG_1, MAX_ENTRIES, 9),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 3),
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BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
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BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 2),
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BPF_MOV64_REG(BPF_REG_8, BPF_REG_0),
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BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_8, 0),
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BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_8, 2),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 5),
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BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
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BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 4),
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BPF_EXIT_INSN(),
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},
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.fixup_map_hash_48b = { 3 },
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.errstr_unpriv = "R0 leaks addr",
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.result = ACCEPT,
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.result_unpriv = REJECT,
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.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
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},
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{
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"map element value is preserved across register spilling",
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.insns = {
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BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
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BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
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BPF_LD_MAP_FD(BPF_REG_1, 0),
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BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
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BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, offsetof(struct test_val, foo)),
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BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 42),
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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, -184),
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BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0),
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BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_1, 0),
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BPF_ST_MEM(BPF_DW, BPF_REG_3, 0, 42),
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BPF_EXIT_INSN(),
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},
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.fixup_map_hash_48b = { 3 },
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.errstr_unpriv = "R0 leaks addr",
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.result = ACCEPT,
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.result_unpriv = REJECT,
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.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
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},
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