From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pj1-x1036.google.com (mail-pj1-x1036.google.com [IPv6:2607:f8b0:4864:20::1036]) by sourceware.org (Postfix) with ESMTPS id 7734C3858C54 for ; Sat, 13 Aug 2022 06:51:37 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 7734C3858C54 Received: by mail-pj1-x1036.google.com with SMTP id d65-20020a17090a6f4700b001f303a97b14so2676019pjk.1 for ; Fri, 12 Aug 2022 23:51:37 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-disposition:mime-version:message-id:subject:to:from:date :x-gm-message-state:from:to:cc; bh=atbnCOmvlpAW4EDK2H2QE5iV7WziW6kHdIzQNc/ALsQ=; b=X51/xuYjw+SCztpd9YrYHo2+Awyz+Q0zCxmeEqUkJFgEtwludsTeAbSbc78sbSGb2E qb3dXCVQNldSZNQSiMUuWZTHPUo9ssSaS75qDsY6tVdva9FkTmLUoePq65rW7RRBFn7P Dc58qqwvmy1y0mo4wLVvXd0Vdck1JPLh87sW8T19iS3euCnE0vSYe8s7DaYg7+FtnWJP tq1Fl8iV1/Fxi+MEsBe6Tfcq9hRUPcDMk+GtlvSniPtm3NPPQaeSyMfs1xOEGBrpQZoX jD1A1RrlndV5td1hIgs20QnzZ6qCTsUnWG0SHjs1pjDTF9oQ8BMvCizHG/6jybZW9JD7 BiGA== X-Gm-Message-State: ACgBeo0kDdTKP64UGEffcHi9Kfvczxnyk6lnt5QiB+1GNKTOP1WD6jCs frVbIguiHZ3cpE1EJ58QB4rfV6872oU= X-Google-Smtp-Source: AA6agR7qE1U6eEPFLh4t32bO9tIgT9OTPCXhKbDb+UNzp+6uE0fQpxsGfkWi2Bc0BN/Kb8kkpfTDgQ== X-Received: by 2002:a17:90b:3b49:b0:1f4:df09:d671 with SMTP id ot9-20020a17090b3b4900b001f4df09d671mr7855759pjb.129.1660373496345; Fri, 12 Aug 2022 23:51:36 -0700 (PDT) Received: from squeak.grove.modra.org (158.106.96.58.static.exetel.com.au. [58.96.106.158]) by smtp.gmail.com with ESMTPSA id y198-20020a6264cf000000b0052d4ffac466sm2723897pfb.188.2022.08.12.23.51.35 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 12 Aug 2022 23:51:36 -0700 (PDT) Received: by squeak.grove.modra.org (Postfix, from userid 1000) id A52401142EC1; Sat, 13 Aug 2022 16:21:33 +0930 (ACST) Date: Sat, 13 Aug 2022 16:21:33 +0930 From: Alan Modra To: binutils@sourceware.org Subject: asan: NULL dereference in spu_elf_object_p Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Spam-Status: No, score=-3036.7 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: binutils@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Binutils mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 13 Aug 2022 06:51:38 -0000 More fuzzer nonsense. * elf32-spu.c (spu_elf_object_p): Don't dereference NULL shdr->bfd_section. diff --git a/bfd/elf32-spu.c b/bfd/elf32-spu.c index dc973fadc6c..1e2002ed879 100644 --- a/bfd/elf32-spu.c +++ b/bfd/elf32-spu.c @@ -286,7 +286,8 @@ spu_elf_object_p (bfd *abfd) { Elf_Internal_Shdr *shdr = elf_elfsections (abfd)[j]; - if (ELF_SECTION_SIZE (shdr, phdr) != 0 + if (shdr->bfd_section != NULL + && ELF_SECTION_SIZE (shdr, phdr) != 0 && ELF_SECTION_IN_SEGMENT (shdr, phdr)) { asection *sec = shdr->bfd_section; -- Alan Modra Australia Development Lab, IBM