Received: by 2002:a05:6a10:206:0:0:0:0 with SMTP id 6csp3713772pxj; Tue, 11 May 2021 10:14:56 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwFZ8/wIa9wgDjO1dXj/xPg3QC+asC62bjWjv6ku/nsb1MnnK++BTN7h+/sBBc4N3gV+Mmc X-Received: by 2002:a2e:9185:: with SMTP id f5mr25096733ljg.194.1620753296153; Tue, 11 May 2021 10:14:56 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1620753296; cv=none; d=google.com; s=arc-20160816; b=bVwrcWQRREXaDbtxmGqDuQLcxJ+aF5518CSFdNdmdeXZUsAAGpn0Z4nY72ImXscY0k sMigqoYr80rv9GuTN4+K8gqBe/oMrZsa/IBuUrO8MYzwTiMvBh6ZGiFDrkbBsK6QXZA7 J9UhdF6Zbl9Q4dT9OE6I57b9ZpBklzK4D7NYLzmDq0fBDMctYekHAmpPhgoWym8ww7Tl MRiZr0Xo7KPPWjf9ZsWQStHzgQJaGsj/bJMuzpuqd14PFU+/o75UPFDxEyLupuPV/RZW gtxF2+zaXq51qDu5jwt6ZFyDZWjOoZC6rFkR9Ord9giN26poHHPO3exjawMCZtmzsc+N 5eCg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:cc:to:subject:message-id:date:from:in-reply-to :references:mime-version:dkim-signature; bh=kVJO4CtbzHc/3Ro3BSgADxEw84V62g2+OdcoUzH6GiI=; b=eJB1f10ZnU+vnVELW70sVqRQdXNEpbepn7lnKfBL+sgL7ogjr9Mu25xYpnRz79TBz+ 9Xmtx5VM5FRrjltjq2WjoJV3jTg/ADC7J+1EAnvqql1n7urwMZ68xxKdXpnShti1T4Xq l0Tp7+kGgUf17ZLrPk4UwDaorpw6VkSovtDGnUO64XWXcLO8vJ+b98bxvziprLMehlH+ mSEnNTejuigbrIPUxskWYt7GxSBmxn6JIw9bBJ+x1faFxbZqtFEoakPEcWhze0wG9M3C OKRu9zt5REQZm/Zp9/poU110D721suwCeg6WujQDmV2kDKVUM/CQIJF2A/74vR0U3MJG QujA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=dftaaVBb; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id h7si14682879lfp.331.2021.05.11.10.14.25; Tue, 11 May 2021 10:14:56 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=dftaaVBb; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231502AbhEKROJ (ORCPT + 99 others); Tue, 11 May 2021 13:14:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57922 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231230AbhEKROI (ORCPT ); Tue, 11 May 2021 13:14:08 -0400 Received: from mail-pl1-x631.google.com (mail-pl1-x631.google.com [IPv6:2607:f8b0:4864:20::631]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9AEACC061574; Tue, 11 May 2021 10:13:00 -0700 (PDT) Received: by mail-pl1-x631.google.com with SMTP id b15so4966321plh.10; Tue, 11 May 2021 10:13:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=kVJO4CtbzHc/3Ro3BSgADxEw84V62g2+OdcoUzH6GiI=; b=dftaaVBblw+mN/KC61iYpD4fFGNbLIwvr+HDQNMZJc8D3bgkronqax0OWTqdLV0XS3 6ul1Y7h2pk5uMOqn5RK6ldd2wZTTixUCZSEf95Wh0aVgsdO7y0d9SXuvVr4hf5ahzn+D DfUVHanJP2UWZfE4E5AAhMq2hVkOHqcL1vmvftXySeaFW5myViD8gGYRAOU5B9gySW9D ACMNWde0b+mGZUDfPUfPpMnEYW2/G/Co/Uupq2it0Yp8rGKX8If0zhikcz/mvGL62mtP Dz+nBO8NQhek5KaCncup8pC+jbqdm+xPTx2TgLVzOGMInSqYFoYiOkVvOhKQuxlq2dz/ /SLg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=kVJO4CtbzHc/3Ro3BSgADxEw84V62g2+OdcoUzH6GiI=; b=YZynoNoh6ngTFbSFqmZLW9xyx68RtFPFEj9ejD0wqkSaNBAJ1pE17hUQp281xtyh4L 3dFTFGYWmeCT4WCE7DVb5MUQKFCsjwBMJ+kEc5T1WKgXTHo/BtfD5MX1RXW0WpixIbtk DUtqNw8WRMt1SqKHqpdLBn84iMTMh5w72CEb0Eg9ituTE0XjICs0QcHcjGXtTCpi7SpL bzX7qXkqUqcK2V17etlFiCwchiCrAIn3rlb6OkrSRd3g6DVAZsn5KFKPAcn2C9zQYK8S rYwIFltYwG3w+cOBN2ukSwCLATBXk7dASPdyI1c6uY96YwxDpe+iLJGQjPcAsNekuYnW dSOg== X-Gm-Message-State: AOAM532H26ufNizFgZg1JT7CN6YpyY9ZQWUTx/e2zbG66ZZ+v+zCv9q8 2IxTA+xqb9drRPNcoWFjoQK07yVnXfrpWfTJpNAEkxbkqTSO/Q== X-Received: by 2002:a17:90a:e2cb:: with SMTP id fr11mr2181276pjb.56.1620753180192; Tue, 11 May 2021 10:13:00 -0700 (PDT) MIME-Version: 1.0 References: <000000000000cc615405c13e4dfe@google.com> <00000000000086605105c1d201bc@google.com> In-Reply-To: <00000000000086605105c1d201bc@google.com> From: Cong Wang Date: Tue, 11 May 2021 10:12:49 -0700 Message-ID: Subject: Re: [syzbot] KASAN: use-after-free Read in nfc_llcp_put_ssap To: syzbot Cc: David Miller , Jakub Kicinski , LKML , Linux Kernel Network Developers , syzkaller-bugs Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org #syz fix: net/nfc: fix use-after-free llcp_sock_bind/connect