From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id ABC43C433B4 for ; Thu, 6 May 2021 15:46:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8C6AC610A7 for ; Thu, 6 May 2021 15:46:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235293AbhEFPrM (ORCPT ); Thu, 6 May 2021 11:47:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36744 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235136AbhEFPrL (ORCPT ); Thu, 6 May 2021 11:47:11 -0400 Received: from polaris.dblsaiko.net (polaris.dblsaiko.net [IPv6:2a01:4f9:c010:c011::2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6C9B8C061574 for ; Thu, 6 May 2021 08:46:13 -0700 (PDT) Received: from invader.localnet (p200300D3870ff4007799D4fCc5f4C978.dip0.t-ipconnect.de [IPv6:2003:d3:870f:f400:7799:d4fc:c5f4:c978]) by polaris.dblsaiko.net (Postfix) with ESMTPSA id B13207F4BF; Thu, 6 May 2021 17:40:18 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dblsaiko.net; s=dkim; t=1620315618; bh=FMvOItwWyfqz3ENsdNme9UjmUccfuVTIPjxCfFLD000=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=T9HaIQCIv0Q/ue3HteUvtj/ZLZi472HOYU6ibtZ8KvgtCa2KGMGpWAZWhEEnzVsyD 6H11IYyTfvbZ6FirfMCvgURDohqMaa/dO4NhYHdI75V/d7XvY9rNlkevzB5CkWqw9E ecMIBzAsvGQgoG2hug29r7iZpKRzXk4Uwqf6LkJWso/Hmyf8vxx625WNFpehaolH7p jenuCcRDcyj3iX3Y+Sk5/e8V2vZRFc7goh5bBkkcJD6jLZ+7n0YPues+vCDPJrJu9d ceAjiMrDaZj4VK0hizR/ZEpEQ4xN0Sb5WGwI2TJPcMJKOgt4wGJjFeHeYIWUb3YHtp HgQWneYtjz2xQ== From: Marco Rebhan To: Coly Li Cc: linux-bcache@vger.kernel.org, victor@westerhu.is Subject: Re: Kernel Oops: kernel BUG at block/bio.c:52 Date: Thu, 06 May 2021 17:46:07 +0200 Message-ID: <2209740.ElGaqSPkdT@invader> In-Reply-To: <4b6c9608-84e9-e20b-ac84-c4fd0a536f29@suse.de> References: <5607192.MhkbZ0Pkbq@invader> <1783900.tdWV9SEqCh@invader> <4b6c9608-84e9-e20b-ac84-c4fd0a536f29@suse.de> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart4633445.GXAFRqVoOG"; micalg="pgp-sha256"; protocol="application/pgp-signature" Precedence: bulk List-ID: X-Mailing-List: linux-bcache@vger.kernel.org --nextPart4633445.GXAFRqVoOG Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii"; protected-headers="v1" From: Marco Rebhan To: Coly Li Cc: linux-bcache@vger.kernel.org, victor@westerhu.is Subject: Re: Kernel Oops: kernel BUG at block/bio.c:52 Date: Thu, 06 May 2021 17:46:07 +0200 Message-ID: <2209740.ElGaqSPkdT@invader> In-Reply-To: <4b6c9608-84e9-e20b-ac84-c4fd0a536f29@suse.de> References: <5607192.MhkbZ0Pkbq@invader> <1783900.tdWV9SEqCh@invader> <4b6c9608-84e9-e20b-ac84-c4fd0a536f29@suse.de> On Thursday, 6 May 2021 12:04:00 CEST Coly Li wrote: > Before 5.12, the allocation failure returns a NULL pointer, so such > issue was hidden. I will post a quick fix to emulate previous code > logic without bothering bio_alloc_bioset(). Ah, I see. I guess that means then I can actually use this patch until that fix is mainlined :) > Thanks for the quick test and verification. Glad to help! Thanks, Marco --nextPart4633445.GXAFRqVoOG Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part. Content-Transfer-Encoding: 7Bit -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEUuA5X09baU5GfLYxyND744GinTYFAmCUDz8ACgkQyND744Gi nTZTow/+OvXrBlHJTIynhpqvtmFYKtIyUvXMSFiNsPDalOyuHFf6QIsHvIOGnI9b Rtazi1nNnY2lXZtqIAMctMdbbYsEmT4yRnBxGBACxjvbUqx0/WQ4hY8M2/KrlsJJ SAAyn77oxGD43Fiw30c5ntstCDS6RK5pQNqH9xWEcm1mYBeRE0jh88DhnWcXaxrX X3e7PynDYp7abZAcIPEPzHrvuSMAEpujqz2nxYmwkMOQ+FDHvMjrxU3pnc7iUWFl JKmbWLOXUPh/3us95GAlIHlXDZWF0OUmkpaqeitlG1iei5OGuobSzoO3ToGemasj mxboIafIKePbKFaFJwp1uyQrNAJoHIBFlCvgJ1xfxQ/VngSwgb6S93vJj9wHu3TS +eokA91MRwR+24QGNldsd7Mcj+rQrgEBBDtjD5NTnaoQjBcKXR7ENUf4tsHULM/Y +XNRGX6JadXv0UpJgJtxf3Kxd9iSpYMLUdV5iCG6hK/FW7kxwB1WvVKc5W6jfaxS NbyqXXVpFAuAqxpOjbNHlDz9eXOCOf0Ycj8CPa6txC1TAq1FAKkJCMnq0oyACwJ2 DidPpuFD/Y2Wht4KC7nTP9R+h3i1EaN83I9WxjLf0+CYhTA5HdYZbfX5R2nWQ7px tLoX0DfThjcQd4fwPvz/NVI8JJN8CQf+Xs0KDwfDpDsRAwo2PoE= =eU18 -----END PGP SIGNATURE----- --nextPart4633445.GXAFRqVoOG--