diff options
Diffstat (limited to 'absl/random')
| -rw-r--r-- | absl/random/internal/BUILD.bazel | 1 | ||||
| -rw-r--r-- | absl/random/internal/seed_material.cc | 4 |
2 files changed, 5 insertions, 0 deletions
diff --git a/absl/random/internal/BUILD.bazel b/absl/random/internal/BUILD.bazel index 90efe85a..6e06fe9a 100644 --- a/absl/random/internal/BUILD.bazel +++ b/absl/random/internal/BUILD.bazel @@ -82,6 +82,7 @@ cc_library( deps = [ ":fast_uniform_bits", "//absl/base:core_headers", + "//absl/base:dynamic_annotations", "//absl/base:raw_logging_internal", "//absl/strings", "//absl/types:optional", diff --git a/absl/random/internal/seed_material.cc b/absl/random/internal/seed_material.cc index 0fcba509..7c1d9efa 100644 --- a/absl/random/internal/seed_material.cc +++ b/absl/random/internal/seed_material.cc @@ -28,6 +28,7 @@ #include <cstdlib> #include <cstring> +#include "absl/base/dynamic_annotations.h" #include "absl/base/internal/raw_logging.h" #include "absl/strings/ascii.h" #include "absl/strings/escaping.h" @@ -142,6 +143,9 @@ bool ReadSeedMaterialFromGetEntropy(absl::Span<uint32_t> values) { if (result < 0) { return false; } + // https://github.com/google/sanitizers/issues/1173 + // MemorySanitizer can't see through getentropy(). + ABSL_ANNOTATE_MEMORY_IS_INITIALIZED(buffer, to_read); buffer += to_read; buffer_size -= to_read; } |