@@ -219,7 +219,7 @@
.errstr = "variable ptr_ access var_off=(0x0; 0x7) disallowed",
},
{
- "calls: invalid kfunc call: referenced arg needs refcounted PTR_TO_BTF_ID",
+ "calls: invalid kfunc call: referenced arg needs refcounted PTR_TO_BTF_ID (KF_TRUSTED_ARGS)",
.insns = {
BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
@@ -227,10 +227,30 @@
BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
BPF_EXIT_INSN(),
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 16),
BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
- BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6, 16),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .fixup_kfunc_btf_id = {
+ { "bpf_kfunc_call_test_acquire", 3 },
+ { "bpf_kfunc_call_test_trusted", 7 },
+ },
+ .result_unpriv = REJECT,
+ .result = REJECT,
+ .errstr = "R1 must be referenced",
+},
+{
+ "calls: invalid kfunc call: referenced arg needs refcounted PTR_TO_BTF_ID (__ref)",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_1, 0, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 16),
BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
@@ -238,8 +258,7 @@
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.fixup_kfunc_btf_id = {
{ "bpf_kfunc_call_test_acquire", 3 },
- { "bpf_kfunc_call_test_ref", 8 },
- { "bpf_kfunc_call_test_ref", 10 },
+ { "bpf_kfunc_call_test_ref", 7 },
},
.result_unpriv = REJECT,
.result = REJECT,
@@ -259,14 +278,17 @@
BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.fixup_kfunc_btf_id = {
{ "bpf_kfunc_call_test_acquire", 3 },
- { "bpf_kfunc_call_test_ref", 8 },
- { "bpf_kfunc_call_test_release", 10 },
+ { "bpf_kfunc_call_test_trusted", 8 },
+ { "bpf_kfunc_call_test_ref", 10 },
+ { "bpf_kfunc_call_test_release", 12 },
},
.result_unpriv = REJECT,
.result = ACCEPT,