Files
Linux_Drivers/linux_5.10/tools/testing/selftests/bpf/verifier/uninit.c
sam.xiang 5c7dd7acc3 [linux] create linux_5.10.4 from T-head official:
repo: https://github.com/T-head-Semi/linux
	commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb

Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
2023-03-10 20:32:41 +08:00

40 lines
761 B
C

{
"read uninitialized register",
.insns = {
BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
BPF_EXIT_INSN(),
},
.errstr = "R2 !read_ok",
.result = REJECT,
},
{
"read invalid register",
.insns = {
BPF_MOV64_REG(BPF_REG_0, -1),
BPF_EXIT_INSN(),
},
.errstr = "R15 is invalid",
.result = REJECT,
},
{
"program doesn't init R0 before exit",
.insns = {
BPF_ALU64_REG(BPF_MOV, BPF_REG_2, BPF_REG_1),
BPF_EXIT_INSN(),
},
.errstr = "R0 !read_ok",
.result = REJECT,
},
{
"program doesn't init R0 before exit in all branches",
.insns = {
BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2),
BPF_MOV64_IMM(BPF_REG_0, 1),
BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 2),
BPF_EXIT_INSN(),
},
.errstr = "R0 !read_ok",
.errstr_unpriv = "R1 pointer comparison",
.result = REJECT,
},