;;; TOOL: run-objdump-gen-wasm
;;; ARGS1: --debug
magic
version
;; A valid module whose "name" section carries a single unknown name
;; subsection.  The subsection type LEB is 0xffffffff, past
;; NameSectionSubsection::Last.  ReadNameSection must skip it as an unknown
;; subsection; with --debug the subsection is logged, which used to index
;; NameSubsectionName off the end (ASan global-buffer-overflow read).
section("name") {
  leb_u32(0xffffffff)  ;; subsection type
  leb_u32(0)           ;; subsection size
}
(;; STDERR ;;;
BeginModule(version: 1)
  BeginCustomSection('name', size: 11)
    BeginGenericCustomSection(11)
      OnGenericCustomSection(name: "name", size: 6)
    EndGenericCustomSection
    BeginNamesSection(11)
    EndNamesSection
  EndCustomSection
EndModule
;;; STDERR ;;)
(;; STDOUT ;;;

name-section-unknown-subsection.wasm:	file format wasm 0x1

Code Disassembly:

;;; STDOUT ;;)