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| /openbmc/linux/tools/testing/selftests/bpf/ |
| H A D | test_verifier.c | 2255f8d5 Mon Dec 18 22:12:01 CST 2017 Jann Horn <jannh@google.com> selftests/bpf: add tests for recent bugfixes
These tests should cover the following cases:
- MOV with both zero-extended and sign-extended immediates
- implicit truncation of register contents via ALU32/MOV32
- implicit 32-bit truncation of ALU32 output
- oversized register source operand for ALU32 shift
- right-shift of a number that could be positive or negative
- map access where adding the operation size to the offset causes signed
32-bit overflow
- direct stack access at a ~4GiB offset
Also remove the F_LOAD_WITH_STRICT_ALIGNMENT flag from a bunch of tests
that should fail independent of what flags userspace passes.
Signed-off-by: Jann Horn <jannh@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2255f8d5 Mon Dec 18 22:12:01 CST 2017 Jann Horn <jannh@google.com> selftests/bpf: add tests for recent bugfixes
These tests should cover the following cases:
- MOV with both zero-extended and sign-extended immediates
- implicit truncation of register contents via ALU32/MOV32
- implicit 32-bit truncation of ALU32 output
- oversized register source operand for ALU32 shift
- right-shift of a number that could be positive or negative
- map access where adding the operation size to the offset causes signed
32-bit overflow
- direct stack access at a ~4GiB offset
Also remove the F_LOAD_WITH_STRICT_ALIGNMENT flag from a bunch of tests
that should fail independent of what flags userspace passes.
Signed-off-by: Jann Horn <jannh@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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