7df5072cc0
In particular these include: 1) Remove output of inv for scalars in print_verifier_state 2) Replace inv with scalar in verifier error messages 3) Remove _value suffixes for umin/umax/s32_min/etc (except map_value) 4) Remove output of id=0 5) Remove output of ref_obj_id=0 Signed-off-by: Mykola Lysenko <mykolal@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20220301222745.1667206-1-mykolal@fb.com
96 lines
2.8 KiB
C
96 lines
2.8 KiB
C
{
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"map element value illegal alu op, 1",
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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, 2),
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BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 8),
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BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 22),
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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 = "R0 bitwise operator &= on pointer",
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.result = REJECT,
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},
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{
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"map element value illegal alu op, 2",
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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, 2),
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BPF_ALU32_IMM(BPF_ADD, BPF_REG_0, 0),
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BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 22),
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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 = "R0 32-bit pointer arithmetic prohibited",
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.result = REJECT,
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},
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{
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"map element value illegal alu op, 3",
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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, 2),
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BPF_ALU64_IMM(BPF_DIV, BPF_REG_0, 42),
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BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 22),
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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 = "R0 pointer arithmetic with /= operator",
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.result = REJECT,
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},
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{
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"map element value illegal alu op, 4",
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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, 2),
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BPF_ENDIAN(BPF_FROM_BE, BPF_REG_0, 64),
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BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 22),
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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 pointer arithmetic prohibited",
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.errstr = "invalid mem access 'scalar'",
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.result = REJECT,
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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 illegal alu op, 5",
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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_MOV64_IMM(BPF_REG_3, 4096),
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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_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 0),
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BPF_ATOMIC_OP(BPF_DW, BPF_ADD, BPF_REG_2, BPF_REG_3, 0),
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BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_2, 0),
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BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 22),
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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 = "leaking pointer from stack off -8",
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.errstr = "R0 invalid mem access 'scalar'",
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.result = REJECT,
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.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
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},
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