X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=src%2Fcommon%2Fevent.cpp;h=8e1b99ff902fb5dd91989840ade2ffc483afc170;hb=030ea321c2b386d11d3b7145b1f327e32297f230;hp=c3a2c0eb7203566924b0240559f3fe4bbc46a272;hpb=b2d6883965b19c6b6cb47acac952a7ab3de88c11;p=lttng-tools.git diff --git a/src/common/event.cpp b/src/common/event.cpp index c3a2c0eb7..8e1b99ff9 100644 --- a/src/common/event.cpp +++ b/src/common/event.cpp @@ -200,6 +200,7 @@ static ssize_t lttng_event_probe_attr_create_from_payload( local_attr = NULL; ret = offset; end: + free(local_attr); return ret; } @@ -261,6 +262,7 @@ static ssize_t lttng_event_function_attr_create_from_payload( local_attr = NULL; ret = offset; end: + free(local_attr); return ret; } @@ -619,7 +621,7 @@ deserialize_event_type_payload: } if (ret != event_comm->userspace_probe_location_len) { - WARN("Userspace probe location from the received buffer is not the advertised length: header length = %" PRIu32 ", payload length = %lu", event_comm->userspace_probe_location_len, ret); + WARN("Userspace probe location from the received buffer is not the advertised length: header length = %" PRIu32 ", payload length = %zd", event_comm->userspace_probe_location_len, ret); ret = -1; goto end; } @@ -995,7 +997,8 @@ static ssize_t lttng_event_context_perf_counter_populate_from_payload( const struct lttng_payload_view *view, struct lttng_event_context *event_ctx) { - ssize_t ret, offset = 0; + int ret; + ssize_t consumed, offset = 0; const struct lttng_event_context_perf_counter_comm *comm; size_t name_len; const struct lttng_buffer_view comm_view = lttng_buffer_view_from_view( @@ -1007,7 +1010,7 @@ static ssize_t lttng_event_context_perf_counter_populate_from_payload( event_ctx->ctx == LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER); if (!lttng_buffer_view_is_valid(&comm_view)) { - ret = -1; + consumed = -1; goto end; } @@ -1024,7 +1027,7 @@ static ssize_t lttng_event_context_perf_counter_populate_from_payload( name_len); if (!lttng_buffer_view_is_valid(&provider_name_view)) { - ret = -1; + consumed = -1; goto end; } @@ -1032,21 +1035,25 @@ static ssize_t lttng_event_context_perf_counter_populate_from_payload( if (!lttng_buffer_view_contains_string( &provider_name_view, name, name_len)) { - ret = -1; + consumed = -1; goto end; } - lttng_strncpy(event_ctx->u.perf_counter.name, name, name_len); + ret = lttng_strncpy(event_ctx->u.perf_counter.name, name, name_len); + if (ret) { + consumed = -1; + goto end; + } offset += name_len; } event_ctx->u.perf_counter.config = comm->config; event_ctx->u.perf_counter.type = comm->type; - ret = offset; + consumed = offset; end: - return ret; + return consumed; } ssize_t lttng_event_context_create_from_payload( @@ -1145,7 +1152,8 @@ static int lttng_event_context_app_serialize( } /* Include the null terminator. */ - comm.provider_name_len = provider_len + 1; + provider_len += 1; + comm.provider_name_len = provider_len; ctx_len = strlen(ctx_name); if (ctx_len == 0) { @@ -1154,7 +1162,8 @@ static int lttng_event_context_app_serialize( } /* Include the null terminator. */ - comm.ctx_name_len = ctx_len + 1; + ctx_len += 1; + comm.ctx_name_len = ctx_len; /* Header */ ret = lttng_dynamic_buffer_append(&payload->buffer, &comm,