Contributors: 5
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Andrey Ignatov |
311 |
58.24% |
1 |
20.00% |
| Yonghong Song |
198 |
37.08% |
1 |
20.00% |
| Piotr Krysiuk |
18 |
3.37% |
1 |
20.00% |
| Björn Töpel |
5 |
0.94% |
1 |
20.00% |
| Daniel Borkmann |
2 |
0.37% |
1 |
20.00% |
| Total |
534 |
|
5 |
|
{
"bpf_map_ptr: read with negative offset rejected",
.insns = {
BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
BPF_LD_MAP_FD(BPF_REG_1, 0),
BPF_LDX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, -8),
BPF_MOV64_IMM(BPF_REG_0, 1),
BPF_EXIT_INSN(),
},
.fixup_map_array_48b = { 1 },
.result_unpriv = REJECT,
.errstr_unpriv = "bpf_array access is allowed only to CAP_PERFMON and CAP_SYS_ADMIN",
.result = REJECT,
.errstr = "R1 is bpf_array invalid negative access: off=-8",
},
{
"bpf_map_ptr: write rejected",
.insns = {
BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
BPF_LD_MAP_FD(BPF_REG_1, 0),
BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, 0),
BPF_MOV64_IMM(BPF_REG_0, 1),
BPF_EXIT_INSN(),
},
.fixup_map_array_48b = { 3 },
.result_unpriv = REJECT,
.errstr_unpriv = "bpf_array access is allowed only to CAP_PERFMON and CAP_SYS_ADMIN",
.result = REJECT,
.errstr = "only read from bpf_array is supported",
},
{
"bpf_map_ptr: read non-existent field rejected",
.insns = {
BPF_MOV64_IMM(BPF_REG_6, 0),
BPF_LD_MAP_FD(BPF_REG_1, 0),
BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1, 1),
BPF_MOV64_IMM(BPF_REG_0, 1),
BPF_EXIT_INSN(),
},
.fixup_map_array_48b = { 1 },
.result_unpriv = REJECT,
.errstr_unpriv = "bpf_array access is allowed only to CAP_PERFMON and CAP_SYS_ADMIN",
.result = REJECT,
.errstr = "cannot access ptr member ops with moff 0 in struct bpf_map with off 1 size 4",
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
{
"bpf_map_ptr: read ops field accepted",
.insns = {
BPF_MOV64_IMM(BPF_REG_6, 0),
BPF_LD_MAP_FD(BPF_REG_1, 0),
BPF_LDX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
BPF_MOV64_IMM(BPF_REG_0, 1),
BPF_EXIT_INSN(),
},
.fixup_map_array_48b = { 1 },
.result_unpriv = REJECT,
.errstr_unpriv = "bpf_array access is allowed only to CAP_PERFMON and CAP_SYS_ADMIN",
.result = ACCEPT,
.retval = 1,
},
{
"bpf_map_ptr: r = 0, map_ptr = map_ptr + r",
.insns = {
BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_LD_MAP_FD(BPF_REG_1, 0),
BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
.fixup_map_hash_16b = { 4 },
.result_unpriv = REJECT,
.errstr_unpriv = "R1 has pointer with unsupported alu operation",
.result = ACCEPT,
},
{
"bpf_map_ptr: r = 0, r = r + map_ptr",
.insns = {
BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
BPF_MOV64_IMM(BPF_REG_1, 0),
BPF_LD_MAP_FD(BPF_REG_0, 0),
BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
.fixup_map_hash_16b = { 4 },
.result_unpriv = REJECT,
.errstr_unpriv = "R0 has pointer with unsupported alu operation",
.result = ACCEPT,
},