diff options
Diffstat (limited to 'tools/testing/selftests/bpf/verifier/map_ptr.c')
| -rw-r--r-- | tools/testing/selftests/bpf/verifier/map_ptr.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/verifier/map_ptr.c b/tools/testing/selftests/bpf/verifier/map_ptr.c index b52209db8250..b117bdd3806d 100644 --- a/tools/testing/selftests/bpf/verifier/map_ptr.c +++ b/tools/testing/selftests/bpf/verifier/map_ptr.c @@ -44,6 +44,7 @@ .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", @@ -60,3 +61,35 @@ .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 = 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 = ACCEPT, +}, |