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-rw-r--r--tools/testing/selftests/bpf/verifier/bounds_mix_sign_unsign.c110
-rw-r--r--tools/testing/selftests/bpf/verifier/bpf_st_mem.c67
-rw-r--r--tools/testing/selftests/bpf/verifier/sleepable.c91
3 files changed, 222 insertions, 46 deletions
diff --git a/tools/testing/selftests/bpf/verifier/bounds_mix_sign_unsign.c b/tools/testing/selftests/bpf/verifier/bounds_mix_sign_unsign.c
index c2aa6f26738b..bf82b923c5fe 100644
--- a/tools/testing/selftests/bpf/verifier/bounds_mix_sign_unsign.c
+++ b/tools/testing/selftests/bpf/verifier/bounds_mix_sign_unsign.c
@@ -1,13 +1,14 @@
{
"bounds checks mixing signed and unsigned, positive bounds",
.insns = {
+ BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
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_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
BPF_MOV64_IMM(BPF_REG_2, 2),
BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 3),
@@ -17,20 +18,21 @@
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
- .fixup_map_hash_8b = { 3 },
+ .fixup_map_hash_8b = { 5 },
.errstr = "unbounded min value",
.result = REJECT,
},
{
"bounds checks mixing signed and unsigned",
.insns = {
+ BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
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_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
BPF_MOV64_IMM(BPF_REG_2, -1),
BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 3),
@@ -40,20 +42,21 @@
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
- .fixup_map_hash_8b = { 3 },
+ .fixup_map_hash_8b = { 5 },
.errstr = "unbounded min value",
.result = REJECT,
},
{
"bounds checks mixing signed and unsigned, variant 2",
.insns = {
+ BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
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_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
BPF_MOV64_IMM(BPF_REG_2, -1),
BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 5),
@@ -65,20 +68,21 @@
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
- .fixup_map_hash_8b = { 3 },
+ .fixup_map_hash_8b = { 5 },
.errstr = "unbounded min value",
.result = REJECT,
},
{
"bounds checks mixing signed and unsigned, variant 3",
.insns = {
+ BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
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_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
BPF_MOV64_IMM(BPF_REG_2, -1),
BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 4),
@@ -89,20 +93,21 @@
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
- .fixup_map_hash_8b = { 3 },
+ .fixup_map_hash_8b = { 5 },
.errstr = "unbounded min value",
.result = REJECT,
},
{
"bounds checks mixing signed and unsigned, variant 4",
.insns = {
+ BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
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_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
BPF_MOV64_IMM(BPF_REG_2, 1),
BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
@@ -112,19 +117,20 @@
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
- .fixup_map_hash_8b = { 3 },
+ .fixup_map_hash_8b = { 5 },
.result = ACCEPT,
},
{
"bounds checks mixing signed and unsigned, variant 5",
.insns = {
+ BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
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_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
BPF_MOV64_IMM(BPF_REG_2, -1),
BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 5),
@@ -135,17 +141,20 @@
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
- .fixup_map_hash_8b = { 3 },
+ .fixup_map_hash_8b = { 5 },
.errstr = "unbounded min value",
.result = REJECT,
},
{
"bounds checks mixing signed and unsigned, variant 6",
.insns = {
+ BPF_MOV64_REG(BPF_REG_9, BPF_REG_1),
+ BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_9),
BPF_MOV64_IMM(BPF_REG_2, 0),
BPF_MOV64_REG(BPF_REG_3, BPF_REG_10),
BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, -512),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -16),
BPF_MOV64_IMM(BPF_REG_6, -1),
BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_6, 5),
@@ -163,13 +172,14 @@
{
"bounds checks mixing signed and unsigned, variant 7",
.insns = {
+ BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
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_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
BPF_MOV64_IMM(BPF_REG_2, 1024 * 1024 * 1024),
BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 3),
@@ -179,19 +189,20 @@
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
- .fixup_map_hash_8b = { 3 },
+ .fixup_map_hash_8b = { 5 },
.result = ACCEPT,
},
{
"bounds checks mixing signed and unsigned, variant 8",
.insns = {
+ BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
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_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
BPF_MOV64_IMM(BPF_REG_2, -1),
BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 2),
@@ -203,20 +214,21 @@
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
- .fixup_map_hash_8b = { 3 },
+ .fixup_map_hash_8b = { 5 },
.errstr = "unbounded min value",
.result = REJECT,
},
{
"bounds checks mixing signed and unsigned, variant 9",
.insns = {
+ BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
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_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 10),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
BPF_LD_IMM64(BPF_REG_2, -9223372036854775808ULL),
BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 2),
@@ -228,19 +240,20 @@
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
- .fixup_map_hash_8b = { 3 },
+ .fixup_map_hash_8b = { 5 },
.result = ACCEPT,
},
{
"bounds checks mixing signed and unsigned, variant 10",
.insns = {
+ BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
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_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
BPF_MOV64_IMM(BPF_REG_2, 0),
BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 2),
@@ -252,20 +265,21 @@
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
- .fixup_map_hash_8b = { 3 },
+ .fixup_map_hash_8b = { 5 },
.errstr = "unbounded min value",
.result = REJECT,
},
{
"bounds checks mixing signed and unsigned, variant 11",
.insns = {
+ BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
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_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
BPF_MOV64_IMM(BPF_REG_2, -1),
BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 2),
@@ -278,20 +292,21 @@
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
- .fixup_map_hash_8b = { 3 },
+ .fixup_map_hash_8b = { 5 },
.errstr = "unbounded min value",
.result = REJECT,
},
{
"bounds checks mixing signed and unsigned, variant 12",
.insns = {
+ BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
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_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
BPF_MOV64_IMM(BPF_REG_2, -6),
BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 2),
@@ -303,20 +318,21 @@
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
- .fixup_map_hash_8b = { 3 },
+ .fixup_map_hash_8b = { 5 },
.errstr = "unbounded min value",
.result = REJECT,
},
{
"bounds checks mixing signed and unsigned, variant 13",
.insns = {
+ BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
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_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
BPF_MOV64_IMM(BPF_REG_2, 2),
BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 2),
@@ -331,7 +347,7 @@
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
- .fixup_map_hash_8b = { 3 },
+ .fixup_map_hash_8b = { 5 },
.errstr = "unbounded min value",
.result = REJECT,
},
@@ -340,13 +356,14 @@
.insns = {
BPF_LDX_MEM(BPF_W, BPF_REG_9, BPF_REG_1,
offsetof(struct __sk_buff, mark)),
+ BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
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_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
BPF_MOV64_IMM(BPF_REG_2, -1),
BPF_MOV64_IMM(BPF_REG_8, 2),
@@ -360,20 +377,21 @@
BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, -3),
BPF_JMP_IMM(BPF_JA, 0, 0, -7),
},
- .fixup_map_hash_8b = { 4 },
+ .fixup_map_hash_8b = { 6 },
.errstr = "unbounded min value",
.result = REJECT,
},
{
"bounds checks mixing signed and unsigned, variant 15",
.insns = {
+ BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
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_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
BPF_MOV64_IMM(BPF_REG_2, -6),
BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 2),
@@ -387,7 +405,7 @@
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
- .fixup_map_hash_8b = { 3 },
+ .fixup_map_hash_8b = { 5 },
.errstr = "unbounded min value",
.result = REJECT,
},
diff --git a/tools/testing/selftests/bpf/verifier/bpf_st_mem.c b/tools/testing/selftests/bpf/verifier/bpf_st_mem.c
new file mode 100644
index 000000000000..3af2501082b2
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/bpf_st_mem.c
@@ -0,0 +1,67 @@
+{
+ "BPF_ST_MEM stack imm non-zero",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 42),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, -42),
+ /* if value is tracked correctly R0 is zero */
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ /* Use prog type that requires return value in range [0, 1] */
+ .prog_type = BPF_PROG_TYPE_SK_LOOKUP,
+ .expected_attach_type = BPF_SK_LOOKUP,
+ .runs = -1,
+},
+{
+ "BPF_ST_MEM stack imm zero",
+ .insns = {
+ /* mark stack 0000 0000 */
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ /* read and sum a few bytes */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_10, -8),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_10, -4),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_10, -1),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ /* if value is tracked correctly R0 is zero */
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ /* Use prog type that requires return value in range [0, 1] */
+ .prog_type = BPF_PROG_TYPE_SK_LOOKUP,
+ .expected_attach_type = BPF_SK_LOOKUP,
+ .runs = -1,
+},
+{
+ "BPF_ST_MEM stack imm zero, variable offset",
+ .insns = {
+ /* set fp[-16], fp[-24] to zeros */
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, 0),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -24, 0),
+ /* r0 = random value in range [-32, -15] */
+ BPF_EMIT_CALL(BPF_FUNC_get_prandom_u32),
+ BPF_JMP_IMM(BPF_JLE, BPF_REG_0, 16, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_ALU64_IMM(BPF_SUB, BPF_REG_0, 32),
+ /* fp[r0] = 0, make a variable offset write of zero,
+ * this should preserve zero marks on stack.
+ */
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_10),
+ BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+ /* r0 = fp[-20], if variable offset write was tracked correctly
+ * r0 would be a known zero.
+ */
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_10, -20),
+ /* Would fail return code verification if r0 range is not tracked correctly. */
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ /* Use prog type that requires return value in range [0, 1] */
+ .prog_type = BPF_PROG_TYPE_SK_LOOKUP,
+ .expected_attach_type = BPF_SK_LOOKUP,
+ .runs = -1,
+},
diff --git a/tools/testing/selftests/bpf/verifier/sleepable.c b/tools/testing/selftests/bpf/verifier/sleepable.c
new file mode 100644
index 000000000000..1f0d2bdc673f
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/sleepable.c
@@ -0,0 +1,91 @@
+{
+ "sleepable fentry accept",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_TRACING,
+ .expected_attach_type = BPF_TRACE_FENTRY,
+ .kfunc = "bpf_fentry_test1",
+ .result = ACCEPT,
+ .flags = BPF_F_SLEEPABLE,
+ .runs = -1,
+},
+{
+ "sleepable fexit accept",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_TRACING,
+ .expected_attach_type = BPF_TRACE_FENTRY,
+ .kfunc = "bpf_fentry_test1",
+ .result = ACCEPT,
+ .flags = BPF_F_SLEEPABLE,
+ .runs = -1,
+},
+{
+ "sleepable fmod_ret accept",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_TRACING,
+ .expected_attach_type = BPF_MODIFY_RETURN,
+ .kfunc = "bpf_fentry_test1",
+ .result = ACCEPT,
+ .flags = BPF_F_SLEEPABLE,
+ .runs = -1,
+},
+{
+ "sleepable iter accept",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_TRACING,
+ .expected_attach_type = BPF_TRACE_ITER,
+ .kfunc = "task",
+ .result = ACCEPT,
+ .flags = BPF_F_SLEEPABLE,
+ .runs = -1,
+},
+{
+ "sleepable lsm accept",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_LSM,
+ .kfunc = "bpf",
+ .expected_attach_type = BPF_LSM_MAC,
+ .result = ACCEPT,
+ .flags = BPF_F_SLEEPABLE,
+ .runs = -1,
+},
+{
+ "sleepable uprobe accept",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_KPROBE,
+ .kfunc = "bpf_fentry_test1",
+ .result = ACCEPT,
+ .flags = BPF_F_SLEEPABLE,
+ .runs = -1,
+},
+{
+ "sleepable raw tracepoint reject",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_TRACING,
+ .expected_attach_type = BPF_TRACE_RAW_TP,
+ .kfunc = "sched_switch",
+ .result = REJECT,
+ .errstr = "Only fentry/fexit/fmod_ret, lsm, iter, uprobe, and struct_ops programs can be sleepable",
+ .flags = BPF_F_SLEEPABLE,
+ .runs = -1,
+},
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