diff options
Diffstat (limited to 'tools/testing/selftests/bpf/verifier/ringbuf.c')
-rw-r--r-- | tools/testing/selftests/bpf/verifier/ringbuf.c | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/tools/testing/selftests/bpf/verifier/ringbuf.c b/tools/testing/selftests/bpf/verifier/ringbuf.c deleted file mode 100644 index 92e3f6a61a79..000000000000 --- a/tools/testing/selftests/bpf/verifier/ringbuf.c +++ /dev/null @@ -1,95 +0,0 @@ -{ - "ringbuf: invalid reservation offset 1", - .insns = { - /* reserve 8 byte ringbuf memory */ - BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), - BPF_LD_MAP_FD(BPF_REG_1, 0), - BPF_MOV64_IMM(BPF_REG_2, 8), - BPF_MOV64_IMM(BPF_REG_3, 0), - BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_ringbuf_reserve), - /* store a pointer to the reserved memory in R6 */ - BPF_MOV64_REG(BPF_REG_6, BPF_REG_0), - /* check whether the reservation was successful */ - BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7), - /* spill R6(mem) into the stack */ - BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_6, -8), - /* fill it back in R7 */ - BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_10, -8), - /* should be able to access *(R7) = 0 */ - BPF_ST_MEM(BPF_DW, BPF_REG_7, 0, 0), - /* submit the reserved ringbuf memory */ - BPF_MOV64_REG(BPF_REG_1, BPF_REG_7), - /* add invalid offset to reserved ringbuf memory */ - BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0xcafe), - BPF_MOV64_IMM(BPF_REG_2, 0), - BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_ringbuf_submit), - BPF_MOV64_IMM(BPF_REG_0, 0), - BPF_EXIT_INSN(), - }, - .fixup_map_ringbuf = { 1 }, - .result = REJECT, - .errstr = "R1 must have zero offset when passed to release func", -}, -{ - "ringbuf: invalid reservation offset 2", - .insns = { - /* reserve 8 byte ringbuf memory */ - BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), - BPF_LD_MAP_FD(BPF_REG_1, 0), - BPF_MOV64_IMM(BPF_REG_2, 8), - BPF_MOV64_IMM(BPF_REG_3, 0), - BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_ringbuf_reserve), - /* store a pointer to the reserved memory in R6 */ - BPF_MOV64_REG(BPF_REG_6, BPF_REG_0), - /* check whether the reservation was successful */ - BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7), - /* spill R6(mem) into the stack */ - BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_6, -8), - /* fill it back in R7 */ - BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_10, -8), - /* add invalid offset to reserved ringbuf memory */ - BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, 0xcafe), - /* should be able to access *(R7) = 0 */ - BPF_ST_MEM(BPF_DW, BPF_REG_7, 0, 0), - /* submit the reserved ringbuf memory */ - BPF_MOV64_REG(BPF_REG_1, BPF_REG_7), - BPF_MOV64_IMM(BPF_REG_2, 0), - BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_ringbuf_submit), - BPF_MOV64_IMM(BPF_REG_0, 0), - BPF_EXIT_INSN(), - }, - .fixup_map_ringbuf = { 1 }, - .result = REJECT, - .errstr = "R7 min value is outside of the allowed memory range", -}, -{ - "ringbuf: check passing rb mem to helpers", - .insns = { - BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), - /* reserve 8 byte ringbuf memory */ - BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), - BPF_LD_MAP_FD(BPF_REG_1, 0), - BPF_MOV64_IMM(BPF_REG_2, 8), - BPF_MOV64_IMM(BPF_REG_3, 0), - BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_ringbuf_reserve), - BPF_MOV64_REG(BPF_REG_7, BPF_REG_0), - /* check whether the reservation was successful */ - BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1), - BPF_EXIT_INSN(), - /* pass allocated ring buffer memory to fib lookup */ - BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), - BPF_MOV64_REG(BPF_REG_2, BPF_REG_0), - BPF_MOV64_IMM(BPF_REG_3, 8), - BPF_MOV64_IMM(BPF_REG_4, 0), - BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_fib_lookup), - /* submit the ringbuf memory */ - BPF_MOV64_REG(BPF_REG_1, BPF_REG_7), - BPF_MOV64_IMM(BPF_REG_2, 0), - BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_ringbuf_submit), - BPF_MOV64_IMM(BPF_REG_0, 0), - BPF_EXIT_INSN(), - }, - .fixup_map_ringbuf = { 2 }, - .prog_type = BPF_PROG_TYPE_XDP, - .result = ACCEPT, -}, |