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[2620:137:e000::1:20]) by mx.google.com with ESMTP id jx14-20020a170906ca4e00b0099cc36c4680si4873334ejb.134.2023.08.08.11.09.08; Tue, 08 Aug 2023 11:09:33 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231992AbjHHRcP (ORCPT + 99 others); Tue, 8 Aug 2023 13:32:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36210 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231783AbjHHRbm (ORCPT ); Tue, 8 Aug 2023 13:31:42 -0400 Received: from mail-qt1-f199.google.com (mail-qt1-f199.google.com [209.85.160.199]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 86E557ED2 for ; Tue, 8 Aug 2023 09:13:43 -0700 (PDT) Received: by mail-qt1-f199.google.com with SMTP id d75a77b69052e-40539d12372so71512841cf.0 for ; Tue, 08 Aug 2023 09:13:43 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1691511177; x=1692115977; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=q3cVzil68L2nUakgAvD6EqtGzj4TTi2Pa4HJPh3POMA=; b=F2rBaazv7DA5mQ8hOA+gd5mczo2yM7pj9PtOitOPiM4HvVnKvRZKVr4RuvOj4uQ5b7 XxK54/ne3BW8k8H2qZVAD8Z7D8puIT+U636/J77rxw1KYWlD34YRxr3M7LP+M8npS5be jkU0LDWeCJqSUevxYdGIIj/Smd6ldYtALrkZdR61wAGki7f6o/ta0RXGF7p/gDs6Uvou zQn8YTIBCVkbmaLPPVmKfnbCHsjpHikRdZDZ6S2/CcvYJZY+2B1Eij2Dl5qfEvCMuKUu t2PXdbsZXjFaUh4XaTjSao5nj02IivlLBPU0bAjD9oGIsEUrX8TVcdrAo0jwCp32vWOh qCOg== X-Gm-Message-State: AOJu0Yw4xVjzm1hRpP46mxwID5Y2dUFmTWEnR/AEl2pQJp0oMOlQcHhC GyXDyQJafSL0z1FqExk06fal6n2sZV0/DTtfyR7d7je7dR4/ MIME-Version: 1.0 X-Received: by 2002:a05:6830:3b07:b0:6b9:1768:b318 with SMTP id dk7-20020a0568303b0700b006b91768b318mr13764104otb.5.1691491360159; Tue, 08 Aug 2023 03:42:40 -0700 (PDT) Date: Tue, 08 Aug 2023 03:42:40 -0700 In-Reply-To: <00000000000069948205f7fb357f@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000a9bf5106026705ec@google.com> Subject: Re: [syzbot] [fat?] possible deadlock in do_user_addr_fault From: syzbot To: linkinjeon@kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, sj1557.seo@samsung.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-0.0 required=5.0 tests=BAYES_00,DATE_IN_PAST_03_06, FROM_LOCAL_HEX,HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_BLOCKED, RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot suspects this issue was fixed by commit: commit ff84772fd45d486e4fc78c82e2f70ce5333543e6 Author: Sungjong Seo Date: Fri Jul 14 08:43:54 2023 +0000 exfat: release s_lock before calling dir_emit() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=16623aa9a80000 start commit: f8dba31b0a82 Merge tag 'asym-keys-fix-for-linus-v6.4-rc5' .. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=3c980bfe8b399968 dashboard link: https://syzkaller.appspot.com/bug?extid=278098b0faaf0595072b syz repro: https://syzkaller.appspot.com/x/repro.syz?x=144ccf79280000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=135fab79280000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: exfat: release s_lock before calling dir_emit() For information about bisection process see: https://goo.gl/tpsmEJ#bisection