From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9321F1C26 for ; Wed, 20 Sep 2023 07:26:10 +0000 (UTC) Received: from mail-qt1-x82b.google.com (mail-qt1-x82b.google.com [IPv6:2607:f8b0:4864:20::82b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 661B793 for ; Wed, 20 Sep 2023 00:26:07 -0700 (PDT) Received: by mail-qt1-x82b.google.com with SMTP id d75a77b69052e-415155b2796so204251cf.1 for ; Wed, 20 Sep 2023 00:26:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1695194766; x=1695799566; darn=vger.kernel.org; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=PEvUSZYn2QdyoynMg+EbUUA3yvQOOos33taxf2vHQIw=; b=VLld+sfgqSbrEaAj8WjEWCic+Znovc3Tb9jSTTK+WO7TAUrD7MllVKEkl7AhT2SS2e 99N6255fb0Lz7a/wm43F20di86fcVFRWuoETyiJGFXgjlWc6O8wx8EnVrKuOnMklOlVT QH11i8JNzk4EHaFiWZLnaV89+P4cqpHCwLR9b1IqGkUIhosbC00ElQgYHWxD3d0wlFVi re7vhZrWpQKjuIzkv7udjcpDTG2bR6bV4K7vZ0NagYHqvmHIk6/nYCyJ3xwyG6LkPDNH IFhQHjfL6Q06T/Mdd7D7z2awJAuEfT1RA2N8E8JsKlzX81bVINlubI0Sjdj84DPcY8b1 mvrA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695194766; x=1695799566; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=PEvUSZYn2QdyoynMg+EbUUA3yvQOOos33taxf2vHQIw=; b=NmMW3YVcDo8nSrOoRq0Cw3WcdnsP3Y98CYX9YGCFTPSNl3u2s54zW+2Tujt+pFZciD AuMOolwKsYDN39c3YKdfVTAYU8MNr8ui13hnTD/NdeTCu5/kLlyKHnbv2GaWmrcgjRIV 6+3Z8/cz2hCpcHx9bf9L6nIT0ybrYNYxxd/Eb4RvaBOUfUWcnks6nthGfkczJjzq6z53 iZ1iKElISpUlH6gs8lxgLSbK06R2O0XPBXrN8pgXxdp/pT4uwDnaDl2RmsTk6/CnU3OM fwED5E44cKCdLWMGxyi9sdrpzEd8+kUyOjb6qmJ5rE7PwG6N8YUljdcB1iN48SeGr9v4 SZdA== X-Gm-Message-State: AOJu0YxYZU1s60pgxH6nSv/HbHdaEyngjQ66S9yWBIjlLLRxeWdbGtJ6 QUhlugb1eXjGrtzt1uaYYfEpvDrYYXgRaK8vjDchPg== X-Google-Smtp-Source: AGHT+IGZe0+AHSCXUf+SgOKBwQLdbHtbQfJ7eNqn8GI+tHK505xeyQLT3Ll0cidm+HcXMILmlgW4mbwtt/1P/3/b14A= X-Received: by 2002:a05:622a:3cd:b0:410:88dc:21b with SMTP id k13-20020a05622a03cd00b0041088dc021bmr215251qtx.26.1695194766220; Wed, 20 Sep 2023 00:26:06 -0700 (PDT) Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <64CCB695-BA43-48F5-912A-AFD5B9C103A7@gmail.com> <51294220-A244-46A9-A5B8-34819CE30CF4@gmail.com> <67303CFE-1938-4510-B9AE-5038BF98ABB7@gmail.com> <8a62f57a9454b0592ab82248fca5a21fc963995b.camel@redhat.com> <43ED0333-18AB-4C38-A615-7755E5BE9C3E@gmail.com> <5A853CC5-F15C-4F30-B845-D9E5B43EC039@gmail.com> <94BC75CD-A34A-4FED-A2EA-C18A28512230@gmail.com> In-Reply-To: <94BC75CD-A34A-4FED-A2EA-C18A28512230@gmail.com> From: Eric Dumazet Date: Wed, 20 Sep 2023 09:25:54 +0200 Message-ID: Subject: Re: Urgent Bug Report Kernel crash 6.5.2 To: Martin Zaharinov Cc: Bagas Sanjaya , Paolo Abeni , netdev , patchwork-bot+netdevbpf@kernel.org, Jakub Kicinski , Stephen Hemminger , kuba+netdrv@kernel.org, dsahern@gmail.com, Florian Westphal , Pablo Neira Ayuso Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-17.6 required=5.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, ENV_AND_HDR_SPF_MATCH,RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS, USER_IN_DEF_DKIM_WL,USER_IN_DEF_SPF_WL autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net On Wed, Sep 20, 2023 at 9:04=E2=80=AFAM Martin Zaharinov wrote: > > Hi > > Ok on first see all is look come after in kernel 6.4 add : atomics: Provi= de rcuref - scalable reference counting ( https://www.spinics.net/lists/li= nux-tip-commits/msg62042.html ) > > I check all running machine with kernel 6.4.2 is minimal and have same bu= g report. > > i have fell machine with kernel 6.3.9 and not see problems there . > > and the problem may be is allocate in this part : > > [39651.444202] ? rcuref_put_slowpath (lib/rcuref.c:267 (discriminator 1)) > [39651.444297] ? rcuref_put_slowpath (lib/rcuref.c:267 (discriminator 1)) > [39651.444391] dst_release (./arch/x86/include/asm/preempt.h:95 ./include= /linux/rcuref.h:151 net/core/dst.c:166) > [39651.444487] __dev_queue_xmit (./include/net/dst.h:283 net/core/dev.c:4= 158) > [39651.444582] ? nf_hook_slow (./include/linux/netfilter.h:143 net/netfil= ter/core.c:626) > > may be changes in dst.c make problem , I'm guessing at the moment. > > but in real with kernel 6.3 all is fine for now. > > dst.c changes 6.3.9 > 6.5.4 : Then start a real bisection. This is going to be the last time I say it.