diff options
Diffstat (limited to 'lib/libbpf/ci/diffs/001-fix-oob-write-in-test_verifier.diff')
| -rw-r--r-- | lib/libbpf/ci/diffs/001-fix-oob-write-in-test_verifier.diff | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/lib/libbpf/ci/diffs/001-fix-oob-write-in-test_verifier.diff b/lib/libbpf/ci/diffs/001-fix-oob-write-in-test_verifier.diff new file mode 100644 index 0000000..eb5ef26 --- /dev/null +++ b/lib/libbpf/ci/diffs/001-fix-oob-write-in-test_verifier.diff @@ -0,0 +1,35 @@ +From: Kumar Kartikeya Dwivedi <memxor@gmail.com> +To: bpf@vger.kernel.org +Cc: Alexei Starovoitov <ast@kernel.org>, + Daniel Borkmann <daniel@iogearbox.net>, + Andrii Nakryiko <andrii@kernel.org> +Subject: [PATCH bpf-next] selftests/bpf: Fix OOB write in test_verifier +Date: Tue, 14 Dec 2021 07:18:00 +0530 [thread overview] +Message-ID: <20211214014800.78762-1-memxor@gmail.com> (raw) + +The commit referenced below added fixup_map_timer support (to create a +BPF map containing timers), but failed to increase the size of the +map_fds array, leading to out of bounds write. Fix this by changing +MAX_NR_MAPS to 22. + +Fixes: e60e6962c503 ("selftests/bpf: Add tests for restricted helpers") +Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com> +--- + tools/testing/selftests/bpf/test_verifier.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/tools/testing/selftests/bpf/test_verifier.c b/tools/testing/selftests/bpf/test_verifier.c +index ad5d30bafd93..33e2ecb3bef9 100644 +--- a/tools/testing/selftests/bpf/test_verifier.c ++++ b/tools/testing/selftests/bpf/test_verifier.c +@@ -54,7 +54,7 @@ + #define MAX_INSNS BPF_MAXINSNS + #define MAX_TEST_INSNS 1000000 + #define MAX_FIXUPS 8 +-#define MAX_NR_MAPS 21 ++#define MAX_NR_MAPS 22 + #define MAX_TEST_RUNS 8 + #define POINTER_VALUE 0xcafe4all + #define TEST_DATA_LEN 64 +-- +2.34.1 |