diff options
| author |  Craig Tiller <ctiller@google.com> | 2017-04-13 07:59:08 -0700 |
|---|---|---|
| committer | Craig Tiller <ctiller@google.com> | 2017-04-13 07:59:08 -0700 |
| commit | 0362d6b374e4b10e324e09e750b88d6c6bc834d1 (patch) | |
| tree | 20ece7f50bebc5b3d8ad43f06f7a161fca063b1f /src | |
| parent | 4d0ee2a56b71b3eae4865c6440362daebba0b5f7 (diff) | |
ubsan fixes
Diffstat (limited to 'src')
| -rw-r--r-- | src/core/ext/census/context.c | 2 | ||||
| -rw-r--r-- | src/core/ext/census/resource.c | 4 | ||||
| -rw-r--r-- | src/core/lib/channel/http_client_filter.c | 6 |
3 files changed, 8 insertions, 4 deletions
diff --git a/src/core/ext/census/context.c b/src/core/ext/census/context.c index 0dfc4ecbf1..4195cb1c9b 100644 --- a/src/core/ext/census/context.c +++ b/src/core/ext/census/context.c @@ -200,7 +200,7 @@ static bool tag_set_add_tag(struct tag_set *tags, const census_tag *tag, // allocate new memory if needed tags->kvm_size += 2 * CENSUS_MAX_TAG_KV_LEN + TAG_HEADER_SIZE; char *new_kvm = gpr_malloc(tags->kvm_size); - memcpy(new_kvm, tags->kvm, tags->kvm_used); + if (tags->kvm_used > 0) memcpy(new_kvm, tags->kvm, tags->kvm_used); gpr_free(tags->kvm); tags->kvm = new_kvm; } diff --git a/src/core/ext/census/resource.c b/src/core/ext/census/resource.c index ed44f004f9..26ea1a8672 100644 --- a/src/core/ext/census/resource.c +++ b/src/core/ext/census/resource.c @@ -223,7 +223,9 @@ size_t allocate_resource(void) { if (n_resources == n_defined_resources) { size_t new_n_resources = n_resources ? n_resources * 2 : 2; resource **new_resources = gpr_malloc(new_n_resources * sizeof(resource *)); - memcpy(new_resources, resources, n_resources * sizeof(resource *)); + if (n_resources != 0) { + memcpy(new_resources, resources, n_resources * sizeof(resource *)); + } memset(new_resources + n_resources, 0, (new_n_resources - n_resources) * sizeof(resource *)); gpr_free(resources); diff --git a/src/core/lib/channel/http_client_filter.c b/src/core/lib/channel/http_client_filter.c index 4e47c5c658..255f5388aa 100644 --- a/src/core/lib/channel/http_client_filter.c +++ b/src/core/lib/channel/http_client_filter.c @@ -222,8 +222,10 @@ static void continue_send_message(grpc_exec_ctx *exec_ctx, while (grpc_byte_stream_next( exec_ctx, calld->send_op->payload->send_message.send_message, &calld->incoming_slice, ~(size_t)0, &calld->got_slice)) { - memcpy(wrptr, GRPC_SLICE_START_PTR(calld->incoming_slice), - GRPC_SLICE_LENGTH(calld->incoming_slice)); + if (GRPC_SLICE_LENGTH(calld->incoming_slice) > 0) { + memcpy(wrptr, GRPC_SLICE_START_PTR(calld->incoming_slice), + GRPC_SLICE_LENGTH(calld->incoming_slice)); + } wrptr += GRPC_SLICE_LENGTH(calld->incoming_slice); grpc_slice_buffer_add(&calld->slices, calld->incoming_slice); if (calld->send_length == calld->slices.length) { |