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[2620:137:e000::3:3]) by mx.google.com with ESMTPS id j21-20020a63e755000000b005be18ddf8b4si1011545pgk.646.2023.12.03.05.17.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 03 Dec 2023 05:17:40 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:3 as permitted sender) client-ip=2620:137:e000::3:3; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:3 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by lipwig.vger.email (Postfix) with ESMTP id B9312806A631; Sun, 3 Dec 2023 05:17:38 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at lipwig.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233386AbjLCNR1 (ORCPT + 99 others); Sun, 3 Dec 2023 08:17:27 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55870 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229450AbjLCNR0 (ORCPT ); Sun, 3 Dec 2023 08:17:26 -0500 Received: from mail-oi1-f200.google.com (mail-oi1-f200.google.com [209.85.167.200]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 05E33E6 for ; Sun, 3 Dec 2023 05:17:33 -0800 (PST) Received: by mail-oi1-f200.google.com with SMTP id 5614622812f47-3b8fe9da425so172815b6e.0 for ; Sun, 03 Dec 2023 05:17:32 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1701609452; x=1702214252; 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=l/qRgVNKUlzs44fDiFKxRLv7Z8hO6eaI2yOJ8z4Iim4=; b=PhvcUuc6b+vtwWgOkHI+vfnoXXmx+rZbOq+d9kpwx6oVP58D4+1HnDGKQrzz9M26LV go63fayxrpSb6iGBREr3lMA1WFxPAlYKFVENQ2JvTMAvLdmNBUXQj0qdbgqIGGK250WX yQVYsuQ1rEAWZnwHnVC60aayNeZNnTinuhIgOum96KNGSdDN/zlVAg76GkSluOfO6Z9x /I2mrOJLaTkyqxpqBfod7PzuRa5bp3P+0+z3MDNPzerZA897utuxScMXmP2uqykI5orz 98pPCWhsGXhn1lS3A0Ab2H5WCCJo1Dw3M9Pu4pVZJhGgxaAgYsAvKPwIFQY+JjNHj1dD PPOA== X-Gm-Message-State: AOJu0Yx1r+hG3TlbZen1lun8cmBO4Jpn1wxg7bLdo3YICv7F7wud7o35 24nUzFqYBvSVRyAZfGyoAEXenUh5IvtDPKDWKNBH4YKooco+Iy0= MIME-Version: 1.0 X-Received: by 2002:a05:6808:2014:b0:3a8:45f0:b83a with SMTP id q20-20020a056808201400b003a845f0b83amr1597026oiw.5.1701609452429; Sun, 03 Dec 2023 05:17:32 -0800 (PST) Date: Sun, 03 Dec 2023 05:17:32 -0800 In-Reply-To: <000000000000784b1c060b0074a2@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000f56750060b9ad216@google.com> Subject: Re: [syzbot] Re: [syzbot] [kernel?] possible deadlock in stack_depot_put From: syzbot To: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-0.4 required=5.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lipwig.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (lipwig.vger.email [0.0.0.0]); Sun, 03 Dec 2023 05:17:38 -0800 (PST) For archival purposes, forwarding an incoming command email to linux-kernel@vger.kernel.org. *** Subject: Re: [syzbot] [kernel?] possible deadlock in stack_depot_put Author: penguin-kernel@i-love.sakura.ne.jp On 2023/11/26 6:07, syzbot wrote: > refcount_t: underflow; use-after-free. #syz set subsystems: kasan By the way, shouldn't pool_rwlock section be guarded by printk_deferred_enter() ?