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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8DCB5CCA47B for ; Thu, 9 Jun 2022 12:36:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=0NjWaSSM8J2e5N0/HUfAVBBCC5IosTFySbq59MwEEMw=; b=XiXn8a5sc35+Q8 PBnbHJjC0ODYHgIm7CoKbHONFE4zLZDTeiZhn8+x6kra3cKy4vg4HINSQZAx49RxNxIg+HTZXjuVa eVfTOtrgFriHABdKR0OFGuHvP+MsbXyeZu9yrZrrJmK/lk5ez9inyj2qbqe8xkaWSsnWmObHKeHed etNl1eROn/tL2H0Kf4XUo+ARoQT3Kq0si5E6oj5eoWfirKTUN/GF82wvMuulKb+SODK+ucqqJf6K3 oZFn5c+GyOOuwcHZykk83+Oyyeu8xQzZVR6IiONMK6hNrrha5aDKtEjwTaPLajcmarBVVKpNkb5Lk o2eW95I07GkERhaSki4Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nzHOO-001o5s-7o; Thu, 09 Jun 2022 12:36:04 +0000 Received: from relay7-d.mail.gandi.net ([2001:4b98:dc4:8::227]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nzHOJ-001o3X-Ow for linux-mtd@lists.infradead.org; Thu, 09 Jun 2022 12:36:02 +0000 Received: (Authenticated sender: miquel.raynal@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id 791E420007; Thu, 9 Jun 2022 12:35:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1654778154; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=p5Pd3/2SdAMaSD2h36fwZDnBYwN4Kv85DAN9dSSiNtE=; b=AKh3b/jwDYQnLFRUA70mDjchonEx+CSDGVT2bnziGwdBQ6BvrYDp6g1SXTdYjvvfhv3rgc 1yjlVIlXlQZqJCxETmXBCngCfog0+bp0ZCq0/paofwCM2vgbTiZfBTuXbY29WPXBrNR1j3 m5IfO+klCWxq8gcQHgilIPbgY71GNbr5F8/ArDACsSecJk/i6OV6kSHkiUMRpq758oSaOi w+8OMR1UVRMpIIf+Gd/Lfsqr02qZIN6KBKOpMrlZ2sd8fBzwd5PZj74vV2dXEhRbl4eOS+ Q4S0/a0NnFfLL5ge05z5jFMUA0IBEVuO3Mb5rWX2RQwtef8it11pYkB9MRUrZQ== Date: Thu, 9 Jun 2022 14:35:51 +0200 From: Miquel Raynal To: kernel test robot Cc: Ansuel Smith , 0day robot , LKML , linux-mtd@lists.infradead.org, lkp@lists.01.org, Richard Weinberger , Vignesh Raghavendra , Rob Herring , Krzysztof Kozlowski , Greg Kroah-Hartman , Jens Axboe , =?UTF-8?B?77+9ZWNraQ==?= , Manivannan Sadhasivam , devicetree@vger.kernel.org Subject: Re: [mtd] a2af0cae87: BUG:kernel_NULL_pointer_dereference,address Message-ID: <20220609143551.2c75d949@xps-13> In-Reply-To: <20220608154404.GD31193@xsang-OptiPlex-9020> References: <20220606151417.19227-4-ansuelsmth@gmail.com> <20220608154404.GD31193@xsang-OptiPlex-9020> Organization: Bootlin X-Mailer: Claws Mail 4.0.0 (GTK+ 3.24.33; x86_64-pc-linux-gnu) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220609_053600_161459_2EF19B54 X-CRM114-Status: GOOD ( 14.40 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org SGkgQW5zdWVsLAoKb2xpdmVyLnNhbmdAaW50ZWwuY29tIHdyb3RlIG9uIFdlZCwgOCBKdW4gMjAy MiAyMzo0NDowNCArMDgwMDoKCj4gR3JlZXRpbmcsCj4gCj4gRllJLCB3ZSBub3RpY2VkIHRoZSBm b2xsb3dpbmcgY29tbWl0IChidWlsdCB3aXRoIGdjYy0xMSk6Cj4gCj4gY29tbWl0OiBhMmFmMGNh ZTg3YTAyMDVmMmY0Yjg5ZGE2ZTYyODIyOWEyZjhjNDdmICgiW1BBVENIIHY1IDMvM10gbXRkOiBj b3JlOiBpbnRyb2R1Y2Ugb2Ygc3VwcG9ydCBmb3IgZHluYW1pYyBwYXJ0aXRpb25zIikKPiB1cmw6 IGh0dHBzOi8vZ2l0aHViLmNvbS9pbnRlbC1sYWItbGtwL2xpbnV4L2NvbW1pdHMvQW5zdWVsLVNt aXRoL0FkZC1udm1lbS1zdXBwb3J0LWZvci1keW5hbWljLXBhcnRpdGlvbnMvMjAyMjA2MDYtMjMy NzU1Cj4gYmFzZTogaHR0cHM6Ly9naXQua2VybmVsLm9yZy9jZ2l0L2xpbnV4L2tlcm5lbC9naXQv bXRkL2xpbnV4LmdpdCBtdGQvbmV4dAo+IHBhdGNoIGxpbms6IGh0dHBzOi8vbG9yZS5rZXJuZWwu b3JnL2xpbnV4LW10ZC8yMDIyMDYwNjE1MTQxNy4xOTIyNy00LWFuc3VlbHNtdGhAZ21haWwuY29t Cj4gCj4gaW4gdGVzdGNhc2U6IGJvb3QKPiAKPiBvbiB0ZXN0IG1hY2hpbmU6IHFlbXUtc3lzdGVt LXg4Nl82NCAtZW5hYmxlLWt2bSAtY3B1IFNhbmR5QnJpZGdlIC1zbXAgMiAtbSAxNkcKPiAKPiBj YXVzZWQgYmVsb3cgY2hhbmdlcyAocGxlYXNlIHJlZmVyIHRvIGF0dGFjaGVkIGRtZXNnL2ttc2cg Zm9yIGVudGlyZSBsb2cvYmFja3RyYWNlKToKCkNhbiB5b3UgbG9vayBpbnRvIHRoaXM/CgpUaGFu a3MsCk1pcXXDqGwKCj4gCj4gCj4gKy0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLSstLS0tLS0tLS0tLS0rLS0tLS0tLS0tLS0tKwo+IHwgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICB8IDk2YTQ1Yzc4NWIgfCBhMmFmMGNhZTg3IHwK PiArLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tKy0tLS0tLS0t LS0tLSstLS0tLS0tLS0tLS0rCj4gfCBib290X3N1Y2Nlc3NlcyAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgIHwgMjUgICAgICAgICB8IDAgICAgICAgICAgfAo+IHwgYm9vdF9mYWlsdXJlcyAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICB8IDAgICAgICAgICAgfCAxMiAgICAgICAgIHwK PiB8IEJVRzprZXJuZWxfTlVMTF9wb2ludGVyX2RlcmVmZXJlbmNlLGFkZHJlc3MgfCAwICAgICAg ICAgIHwgMTIgICAgICAgICB8Cj4gfCBPb3BzOiNbIyNdICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgIHwgMCAgICAgICAgICB8IDEyICAgICAgICAgfAo+IHwgRUlQOmFkZF9tdGRfZGV2 aWNlICAgICAgICAgICAgICAgICAgICAgICAgICB8IDAgICAgICAgICAgfCAxMiAgICAgICAgIHwK PiB8IEtlcm5lbF9wYW5pYy1ub3Rfc3luY2luZzpGYXRhbF9leGNlcHRpb24gICAgfCAwICAgICAg ICAgIHwgMTIgICAgICAgICB8Cj4gKy0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLSstLS0tLS0tLS0tLS0rLS0tLS0tLS0tLS0tKwo+IAo+IAo+IElmIHlvdSBmaXgg dGhlIGlzc3VlLCBraW5kbHkgYWRkIGZvbGxvd2luZyB0YWcKPiBSZXBvcnRlZC1ieToga2VybmVs IHRlc3Qgcm9ib3QgPG9saXZlci5zYW5nQGludGVsLmNvbT4KPiAKPiAKPiBbICAgIDIuODIwMDU2 XVsgICAgVDFdIEJVRzoga2VybmVsIE5VTEwgcG9pbnRlciBkZXJlZmVyZW5jZSwgYWRkcmVzczog MDAwMDAzNjAKPiBbICAgIDIuODIxMDM0XVsgICAgVDFdICNQRjogc3VwZXJ2aXNvciByZWFkIGFj Y2VzcyBpbiBrZXJuZWwgbW9kZQo+IFsgICAgMi44MjE4NjJdWyAgICBUMV0gI1BGOiBlcnJvcl9j b2RlKDB4MDAwMCkgLSBub3QtcHJlc2VudCBwYWdlCj4gWyAgICAyLjgyMjQ2OF1bICAgIFQxXSAq cGRlID0gMDAwMDAwMDAKPiBbICAgIDIuODIyNDY4XVsgICAgVDFdIE9vcHM6IDAwMDAgWyMxXQo+ IFsgICAgMi44MjI0NjhdWyAgICBUMV0gQ1BVOiAwIFBJRDogMSBDb21tOiBzd2FwcGVyIE5vdCB0 YWludGVkIDUuMTguMC1yYzMtMDAwNzQtZ2EyYWYwY2FlODdhMCAjMQo+IFsgICAgMi44MjI0Njhd WyAgICBUMV0gSGFyZHdhcmUgbmFtZTogUUVNVSBTdGFuZGFyZCBQQyAoaTQ0MEZYICsgUElJWCwg MTk5NiksIEJJT1MgMS4xNi4wLWRlYmlhbi0xLjE2LjAtNCAwNC8wMS8yMDE0Cj4gWyAgICAyLjgy MjQ2OF1bICAgIFQxXSBFSVA6IGFkZF9tdGRfZGV2aWNlKzB4MzJkLzB4NmEwCj4gWyAgICAyLjgy MjQ2OF1bICAgIFQxXSBDb2RlOiAwMSBmZiBmZiBmZiA4ZCA1MCBmZiA4NSBjMiAwZiA4NCBlYyBm ZSBmZiBmZiAzMSBjMCBlOSBlZiBmZSBmZiBmZiA4ZCBiNCAyNiAwMCAwMCAwMCAwMCA4YiA4MyBj YyAwMyAwMCAwMCAzZCAwOCBmZiBmZiBmZiA3NCAwZSA8OGI+IDgwIDYwIDAzIDAwIDAwIDg1IGMw IDBmIDg1IDY1IDAxIDAwIDAwIDhiIDdkIDg0IDg5IGY4IGU4IDNiIDYxCj4gWyAgICAyLjgyMjQ2 OF1bICAgIFQxXSBFQVg6IDAwMDAwMDAwIEVCWDogYzZlYWEwMDAgRUNYOiAwMDAwMDAwMSBFRFg6 IDAwMDAwMDAwCj4gWyAgICAyLjgyMjQ2OF1bICAgIFQxXSBFU0k6IDAwMDAwMDAwIEVESTogYzZl YWEwZjggRUJQOiBjM2YwYmVjYyBFU1A6IGMzZjBiZTQ0Cj4gWyAgICAyLjgyMjQ2OF1bICAgIFQx XSBEUzogMDA3YiBFUzogMDA3YiBGUzogMDAwMCBHUzogMDAwMCBTUzogMDA2OCBFRkxBR1M6IDAw MDEwMjEzCj4gWyAgICAyLjgyMjQ2OF1bICAgIFQxXSBDUjA6IDgwMDUwMDMzIENSMjogMDAwMDAz NjAgQ1IzOiAwMzQ1YTAwMCBDUjQ6IDAwMDQwNmQwCj4gWyAgICAyLjgyMjQ2OF1bICAgIFQxXSBE UjA6IDAwMDAwMDAwIERSMTogMDAwMDAwMDAgRFIyOiAwMDAwMDAwMCBEUjM6IDAwMDAwMDAwCj4g WyAgICAyLjgyMjQ2OF1bICAgIFQxXSBEUjY6IGZmZmUwZmYwIERSNzogMDAwMDA0MDAKPiBbICAg IDIuODIyNDY4XVsgICAgVDFdIENhbGwgVHJhY2U6Cj4gWyAgICAyLjgyMjQ2OF1bICAgIFQxXSAg PyBwYXJzZV9vZm9sZHBhcnRfcGFydGl0aW9ucysweDYwLzB4NjAKPiBbICAgIDIuODIyNDY4XVsg ICAgVDFdICA/IG10ZF9wYXJ0X29mX3BhcnNlKzB4MTE4LzB4MjQwCj4gWyAgICAyLjgyMjQ2OF1b ICAgIFQxXSAgPyBtdGRfcGFydF9vZl9wYXJzZSsweDIwZS8weDI0MAo+IFsgICAgMi44MjI0Njhd WyAgICBUMV0gID8gcGFyc2VfbXRkX3BhcnRpdGlvbnMrMHhmYS8weDIwMAo+IFsgICAgMi44MjI0 NjhdWyAgICBUMV0gIG10ZF9kZXZpY2VfcGFyc2VfcmVnaXN0ZXIrMHgxOWYvMHgyYjAKPiBbICAg IDIuODIyNDY4XVsgICAgVDFdICBtdGRyYW1faW5pdF9kZXZpY2UrMHhiNy8weDEwMAo+IFsgICAg Mi44MjI0NjhdWyAgICBUMV0gIGluaXRfbXRkcmFtKzB4NjcvMHhhZgo+IFsgICAgMi44MjI0Njhd WyAgICBUMV0gID8gaW5pdF9waHJhbSsweDU0LzB4NTQKPiBbICAgIDIuODIyNDY4XVsgICAgVDFd ICBkb19vbmVfaW5pdGNhbGwrMHg1OC8weDI0MAo+IFsgICAgMi44MjI0NjhdWyAgICBUMV0gID8g cmRpbml0X3NldHVwKzB4MzgvMHgzOAo+IFsgICAgMi44MjI0NjhdWyAgICBUMV0gIGRvX2luaXRj YWxscysweGYzLzB4MTEyCj4gWyAgICAyLjgyMjQ2OF1bICAgIFQxXSAga2VybmVsX2luaXRfZnJl ZWFibGUrMHhiZC8weGVjCj4gWyAgICAyLjgyMjQ2OF1bICAgIFQxXSAgPyByZXN0X2luaXQrMHgx MDAvMHgxMDAKPiBbICAgIDIuODIyNDY4XVsgICAgVDFdICBrZXJuZWxfaW5pdCsweDEyLzB4ZjAK PiBbICAgIDIuODIyNDY4XVsgICAgVDFdICByZXRfZnJvbV9mb3JrKzB4MWMvMHgzMAo+IFsgICAg Mi44MjI0NjhdWyAgICBUMV0gTW9kdWxlcyBsaW5rZWQgaW46Cj4gWyAgICAyLjgyMjQ2OF1bICAg IFQxXSBDUjI6IDAwMDAwMDAwMDAwMDAzNjAKPiBbICAgIDIuODIyNDY4XVsgICAgVDFdIC0tLVsg ZW5kIHRyYWNlIDAwMDAwMDAwMDAwMDAwMDAgXS0tLQo+IFsgICAgMi44MjI0NjhdWyAgICBUMV0g RUlQOiBhZGRfbXRkX2RldmljZSsweDMyZC8weDZhMAo+IFsgICAgMi44MjI0NjhdWyAgICBUMV0g Q29kZTogMDEgZmYgZmYgZmYgOGQgNTAgZmYgODUgYzIgMGYgODQgZWMgZmUgZmYgZmYgMzEgYzAg ZTkgZWYgZmUgZmYgZmYgOGQgYjQgMjYgMDAgMDAgMDAgMDAgOGIgODMgY2MgMDMgMDAgMDAgM2Qg MDggZmYgZmYgZmYgNzQgMGUgPDhiPiA4MCA2MCAwMyAwMCAwMCA4NSBjMCAwZiA4NSA2NSAwMSAw MCAwMCA4YiA3ZCA4NCA4OSBmOCBlOCAzYiA2MQo+IFsgICAgMi44MjI0NjhdWyAgICBUMV0gRUFY OiAwMDAwMDAwMCBFQlg6IGM2ZWFhMDAwIEVDWDogMDAwMDAwMDEgRURYOiAwMDAwMDAwMAo+IFsg ICAgMi44MjI0NjhdWyAgICBUMV0gRVNJOiAwMDAwMDAwMCBFREk6IGM2ZWFhMGY4IEVCUDogYzNm MGJlY2MgRVNQOiBjM2YwYmU0NAo+IFsgICAgMi44MjI0NjhdWyAgICBUMV0gRFM6IDAwN2IgRVM6 IDAwN2IgRlM6IDAwMDAgR1M6IDAwMDAgU1M6IDAwNjggRUZMQUdTOiAwMDAxMDIxMwo+IFsgICAg Mi44MjI0NjhdWyAgICBUMV0gQ1IwOiA4MDA1MDAzMyBDUjI6IDAwMDAwMzYwIENSMzogMDM0NWEw MDAgQ1I0OiAwMDA0MDZkMAo+IFsgICAgMi44MjI0NjhdWyAgICBUMV0gRFIwOiAwMDAwMDAwMCBE UjE6IDAwMDAwMDAwIERSMjogMDAwMDAwMDAgRFIzOiAwMDAwMDAwMAo+IFsgICAgMi44MjI0Njhd WyAgICBUMV0gRFI2OiBmZmZlMGZmMCBEUjc6IDAwMDAwNDAwCj4gWyAgICAyLjgyMjQ2OF1bICAg IFQxXSBLZXJuZWwgcGFuaWMgLSBub3Qgc3luY2luZzogRmF0YWwgZXhjZXB0aW9uCj4gWyAgICAy LjgyMjQ2OF1bICAgIFQxXSBLZXJuZWwgT2Zmc2V0OiBkaXNhYmxlZAo+IAo+IAo+IAo+IFRvIHJl cHJvZHVjZToKPiAKPiAgICAgICAgICMgYnVpbGQga2VybmVsCj4gCWNkIGxpbnV4Cj4gCWNwIGNv bmZpZy01LjE4LjAtcmMzLTAwMDc0LWdhMmFmMGNhZTg3YTAgLmNvbmZpZwo+IAltYWtlIEhPU1RD Qz1nY2MtMTEgQ0M9Z2NjLTExIEFSQ0g9aTM4NiBvbGRkZWZjb25maWcgcHJlcGFyZSBtb2R1bGVz X3ByZXBhcmUgYnpJbWFnZSBtb2R1bGVzCj4gCW1ha2UgSE9TVENDPWdjYy0xMSBDQz1nY2MtMTEg QVJDSD1pMzg2IElOU1RBTExfTU9EX1BBVEg9PG1vZC1pbnN0YWxsLWRpcj4gbW9kdWxlc19pbnN0 YWxsCj4gCWNkIDxtb2QtaW5zdGFsbC1kaXI+Cj4gCWZpbmQgbGliLyB8IGNwaW8gLW8gLUggbmV3 YyAtLXF1aWV0IHwgZ3ppcCA+IG1vZHVsZXMuY2d6Cj4gCj4gCj4gICAgICAgICBnaXQgY2xvbmUg aHR0cHM6Ly9naXRodWIuY29tL2ludGVsL2xrcC10ZXN0cy5naXQKPiAgICAgICAgIGNkIGxrcC10 ZXN0cwo+ICAgICAgICAgYmluL2xrcCBxZW11IC1rIDxiekltYWdlPiAtbSBtb2R1bGVzLmNneiBq b2Itc2NyaXB0ICMgam9iLXNjcmlwdCBpcyBhdHRhY2hlZCBpbiB0aGlzIGVtYWlsCj4gCj4gICAg ICAgICAjIGlmIGNvbWUgYWNyb3NzIGFueSBmYWlsdXJlIHRoYXQgYmxvY2tzIHRoZSB0ZXN0LAo+ ICAgICAgICAgIyBwbGVhc2UgcmVtb3ZlIH4vLmxrcCBhbmQgL2xrcCBkaXIgdG8gcnVuIGZyb20g YSBjbGVhbiBzdGF0ZS4KPiAKPiAKPiAKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwpMaW51eCBNVEQgZGlzY3Vzc2lvbiBtYWlsaW5nIGxpc3QK aHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1tdGQvCg== From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============7790630215513487569==" MIME-Version: 1.0 From: Miquel Raynal To: lkp@lists.01.org Subject: Re: [mtd] a2af0cae87: BUG:kernel_NULL_pointer_dereference, address Date: Thu, 09 Jun 2022 14:35:51 +0200 Message-ID: <20220609143551.2c75d949@xps-13> In-Reply-To: <20220608154404.GD31193@xsang-OptiPlex-9020> List-Id: --===============7790630215513487569== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Hi Ansuel, oliver.sang(a)intel.com wrote on Wed, 8 Jun 2022 23:44:04 +0800: > Greeting, > = > FYI, we noticed the following commit (built with gcc-11): > = > commit: a2af0cae87a0205f2f4b89da6e628229a2f8c47f ("[PATCH v5 3/3] mtd: co= re: introduce of support for dynamic partitions") > url: https://github.com/intel-lab-lkp/linux/commits/Ansuel-Smith/Add-nvme= m-support-for-dynamic-partitions/20220606-232755 > base: https://git.kernel.org/cgit/linux/kernel/git/mtd/linux.git mtd/next > patch link: https://lore.kernel.org/linux-mtd/20220606151417.19227-4-ansu= elsmth(a)gmail.com > = > in testcase: boot > = > on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -= m 16G > = > caused below changes (please refer to attached dmesg/kmsg for entire log/= backtrace): Can you look into this? Thanks, Miqu=C3=A8l > = > = > +---------------------------------------------+------------+------------+ > | | 96a45c785b | a2af0cae87 | > +---------------------------------------------+------------+------------+ > | boot_successes | 25 | 0 | > | boot_failures | 0 | 12 | > | BUG:kernel_NULL_pointer_dereference,address | 0 | 12 | > | Oops:#[##] | 0 | 12 | > | EIP:add_mtd_device | 0 | 12 | > | Kernel_panic-not_syncing:Fatal_exception | 0 | 12 | > +---------------------------------------------+------------+------------+ > = > = > If you fix the issue, kindly add following tag > Reported-by: kernel test robot > = > = > [ 2.820056][ T1] BUG: kernel NULL pointer dereference, address: 000= 00360 > [ 2.821034][ T1] #PF: supervisor read access in kernel mode > [ 2.821862][ T1] #PF: error_code(0x0000) - not-present page > [ 2.822468][ T1] *pde =3D 00000000 > [ 2.822468][ T1] Oops: 0000 [#1] > [ 2.822468][ T1] CPU: 0 PID: 1 Comm: swapper Not tainted 5.18.0-rc3= -00074-ga2af0cae87a0 #1 > [ 2.822468][ T1] Hardware name: QEMU Standard PC (i440FX + PIIX, 19= 96), BIOS 1.16.0-debian-1.16.0-4 04/01/2014 > [ 2.822468][ T1] EIP: add_mtd_device+0x32d/0x6a0 > [ 2.822468][ T1] Code: 01 ff ff ff 8d 50 ff 85 c2 0f 84 ec fe ff ff= 31 c0 e9 ef fe ff ff 8d b4 26 00 00 00 00 8b 83 cc 03 00 00 3d 08 ff ff ff= 74 0e <8b> 80 60 03 00 00 85 c0 0f 85 65 01 00 00 8b 7d 84 89 f8 e8 3b 61 > [ 2.822468][ T1] EAX: 00000000 EBX: c6eaa000 ECX: 00000001 EDX: 000= 00000 > [ 2.822468][ T1] ESI: 00000000 EDI: c6eaa0f8 EBP: c3f0becc ESP: c3f= 0be44 > [ 2.822468][ T1] DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 EFLAG= S: 00010213 > [ 2.822468][ T1] CR0: 80050033 CR2: 00000360 CR3: 0345a000 CR4: 000= 406d0 > [ 2.822468][ T1] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 000= 00000 > [ 2.822468][ T1] DR6: fffe0ff0 DR7: 00000400 > [ 2.822468][ T1] Call Trace: > [ 2.822468][ T1] ? parse_ofoldpart_partitions+0x60/0x60 > [ 2.822468][ T1] ? mtd_part_of_parse+0x118/0x240 > [ 2.822468][ T1] ? mtd_part_of_parse+0x20e/0x240 > [ 2.822468][ T1] ? parse_mtd_partitions+0xfa/0x200 > [ 2.822468][ T1] mtd_device_parse_register+0x19f/0x2b0 > [ 2.822468][ T1] mtdram_init_device+0xb7/0x100 > [ 2.822468][ T1] init_mtdram+0x67/0xaf > [ 2.822468][ T1] ? init_phram+0x54/0x54 > [ 2.822468][ T1] do_one_initcall+0x58/0x240 > [ 2.822468][ T1] ? rdinit_setup+0x38/0x38 > [ 2.822468][ T1] do_initcalls+0xf3/0x112 > [ 2.822468][ T1] kernel_init_freeable+0xbd/0xec > [ 2.822468][ T1] ? rest_init+0x100/0x100 > [ 2.822468][ T1] kernel_init+0x12/0xf0 > [ 2.822468][ T1] ret_from_fork+0x1c/0x30 > [ 2.822468][ T1] Modules linked in: > [ 2.822468][ T1] CR2: 0000000000000360 > [ 2.822468][ T1] ---[ end trace 0000000000000000 ]--- > [ 2.822468][ T1] EIP: add_mtd_device+0x32d/0x6a0 > [ 2.822468][ T1] Code: 01 ff ff ff 8d 50 ff 85 c2 0f 84 ec fe ff ff= 31 c0 e9 ef fe ff ff 8d b4 26 00 00 00 00 8b 83 cc 03 00 00 3d 08 ff ff ff= 74 0e <8b> 80 60 03 00 00 85 c0 0f 85 65 01 00 00 8b 7d 84 89 f8 e8 3b 61 > [ 2.822468][ T1] EAX: 00000000 EBX: c6eaa000 ECX: 00000001 EDX: 000= 00000 > [ 2.822468][ T1] ESI: 00000000 EDI: c6eaa0f8 EBP: c3f0becc ESP: c3f= 0be44 > [ 2.822468][ T1] DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 EFLAG= S: 00010213 > [ 2.822468][ T1] CR0: 80050033 CR2: 00000360 CR3: 0345a000 CR4: 000= 406d0 > [ 2.822468][ T1] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 000= 00000 > [ 2.822468][ T1] DR6: fffe0ff0 DR7: 00000400 > [ 2.822468][ T1] Kernel panic - not syncing: Fatal exception > [ 2.822468][ T1] Kernel Offset: disabled > = > = > = > To reproduce: > = > # build kernel > cd linux > cp config-5.18.0-rc3-00074-ga2af0cae87a0 .config > make HOSTCC=3Dgcc-11 CC=3Dgcc-11 ARCH=3Di386 olddefconfig prepare module= s_prepare bzImage modules > make HOSTCC=3Dgcc-11 CC=3Dgcc-11 ARCH=3Di386 INSTALL_MOD_PATH=3D modules_install > cd > find lib/ | cpio -o -H newc --quiet | gzip > modules.cgz > = > = > git clone https://github.com/intel/lkp-tests.git > cd lkp-tests > bin/lkp qemu -k -m modules.cgz job-script # job-script = is attached in this email > = > # if come across any failure that blocks the test, > # please remove ~/.lkp and /lkp dir to run from a clean state. > = > = >=20 --===============7790630215513487569==-- 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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C1E46C43334 for ; Thu, 9 Jun 2022 12:36:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238023AbiFIMgE (ORCPT ); Thu, 9 Jun 2022 08:36:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35694 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245198AbiFIMgC (ORCPT ); Thu, 9 Jun 2022 08:36:02 -0400 Received: from relay7-d.mail.gandi.net (relay7-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::227]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 703BD22B26; Thu, 9 Jun 2022 05:35:55 -0700 (PDT) Received: (Authenticated sender: miquel.raynal@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id 791E420007; Thu, 9 Jun 2022 12:35:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1654778154; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=p5Pd3/2SdAMaSD2h36fwZDnBYwN4Kv85DAN9dSSiNtE=; b=AKh3b/jwDYQnLFRUA70mDjchonEx+CSDGVT2bnziGwdBQ6BvrYDp6g1SXTdYjvvfhv3rgc 1yjlVIlXlQZqJCxETmXBCngCfog0+bp0ZCq0/paofwCM2vgbTiZfBTuXbY29WPXBrNR1j3 m5IfO+klCWxq8gcQHgilIPbgY71GNbr5F8/ArDACsSecJk/i6OV6kSHkiUMRpq758oSaOi w+8OMR1UVRMpIIf+Gd/Lfsqr02qZIN6KBKOpMrlZ2sd8fBzwd5PZj74vV2dXEhRbl4eOS+ Q4S0/a0NnFfLL5ge05z5jFMUA0IBEVuO3Mb5rWX2RQwtef8it11pYkB9MRUrZQ== Date: Thu, 9 Jun 2022 14:35:51 +0200 From: Miquel Raynal To: kernel test robot Cc: Ansuel Smith , 0day robot , LKML , linux-mtd@lists.infradead.org, lkp@lists.01.org, Richard Weinberger , Vignesh Raghavendra , Rob Herring , Krzysztof Kozlowski , Greg Kroah-Hartman , Jens Axboe , =?UTF-8?B?77+9ZWNraQ==?= , Manivannan Sadhasivam , devicetree@vger.kernel.org Subject: Re: [mtd] a2af0cae87: BUG:kernel_NULL_pointer_dereference,address Message-ID: <20220609143551.2c75d949@xps-13> In-Reply-To: <20220608154404.GD31193@xsang-OptiPlex-9020> References: <20220606151417.19227-4-ansuelsmth@gmail.com> <20220608154404.GD31193@xsang-OptiPlex-9020> Organization: Bootlin X-Mailer: Claws Mail 4.0.0 (GTK+ 3.24.33; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Hi Ansuel, oliver.sang@intel.com wrote on Wed, 8 Jun 2022 23:44:04 +0800: > Greeting, >=20 > FYI, we noticed the following commit (built with gcc-11): >=20 > commit: a2af0cae87a0205f2f4b89da6e628229a2f8c47f ("[PATCH v5 3/3] mtd: co= re: introduce of support for dynamic partitions") > url: https://github.com/intel-lab-lkp/linux/commits/Ansuel-Smith/Add-nvme= m-support-for-dynamic-partitions/20220606-232755 > base: https://git.kernel.org/cgit/linux/kernel/git/mtd/linux.git mtd/next > patch link: https://lore.kernel.org/linux-mtd/20220606151417.19227-4-ansu= elsmth@gmail.com >=20 > in testcase: boot >=20 > on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -= m 16G >=20 > caused below changes (please refer to attached dmesg/kmsg for entire log/= backtrace): Can you look into this? Thanks, Miqu=C3=A8l >=20 >=20 > +---------------------------------------------+------------+------------+ > | | 96a45c785b | a2af0cae87 | > +---------------------------------------------+------------+------------+ > | boot_successes | 25 | 0 | > | boot_failures | 0 | 12 | > | BUG:kernel_NULL_pointer_dereference,address | 0 | 12 | > | Oops:#[##] | 0 | 12 | > | EIP:add_mtd_device | 0 | 12 | > | Kernel_panic-not_syncing:Fatal_exception | 0 | 12 | > +---------------------------------------------+------------+------------+ >=20 >=20 > If you fix the issue, kindly add following tag > Reported-by: kernel test robot >=20 >=20 > [ 2.820056][ T1] BUG: kernel NULL pointer dereference, address: 000= 00360 > [ 2.821034][ T1] #PF: supervisor read access in kernel mode > [ 2.821862][ T1] #PF: error_code(0x0000) - not-present page > [ 2.822468][ T1] *pde =3D 00000000 > [ 2.822468][ T1] Oops: 0000 [#1] > [ 2.822468][ T1] CPU: 0 PID: 1 Comm: swapper Not tainted 5.18.0-rc3= -00074-ga2af0cae87a0 #1 > [ 2.822468][ T1] Hardware name: QEMU Standard PC (i440FX + PIIX, 19= 96), BIOS 1.16.0-debian-1.16.0-4 04/01/2014 > [ 2.822468][ T1] EIP: add_mtd_device+0x32d/0x6a0 > [ 2.822468][ T1] Code: 01 ff ff ff 8d 50 ff 85 c2 0f 84 ec fe ff ff= 31 c0 e9 ef fe ff ff 8d b4 26 00 00 00 00 8b 83 cc 03 00 00 3d 08 ff ff ff= 74 0e <8b> 80 60 03 00 00 85 c0 0f 85 65 01 00 00 8b 7d 84 89 f8 e8 3b 61 > [ 2.822468][ T1] EAX: 00000000 EBX: c6eaa000 ECX: 00000001 EDX: 000= 00000 > [ 2.822468][ T1] ESI: 00000000 EDI: c6eaa0f8 EBP: c3f0becc ESP: c3f= 0be44 > [ 2.822468][ T1] DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 EFLAG= S: 00010213 > [ 2.822468][ T1] CR0: 80050033 CR2: 00000360 CR3: 0345a000 CR4: 000= 406d0 > [ 2.822468][ T1] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 000= 00000 > [ 2.822468][ T1] DR6: fffe0ff0 DR7: 00000400 > [ 2.822468][ T1] Call Trace: > [ 2.822468][ T1] ? parse_ofoldpart_partitions+0x60/0x60 > [ 2.822468][ T1] ? mtd_part_of_parse+0x118/0x240 > [ 2.822468][ T1] ? mtd_part_of_parse+0x20e/0x240 > [ 2.822468][ T1] ? parse_mtd_partitions+0xfa/0x200 > [ 2.822468][ T1] mtd_device_parse_register+0x19f/0x2b0 > [ 2.822468][ T1] mtdram_init_device+0xb7/0x100 > [ 2.822468][ T1] init_mtdram+0x67/0xaf > [ 2.822468][ T1] ? init_phram+0x54/0x54 > [ 2.822468][ T1] do_one_initcall+0x58/0x240 > [ 2.822468][ T1] ? rdinit_setup+0x38/0x38 > [ 2.822468][ T1] do_initcalls+0xf3/0x112 > [ 2.822468][ T1] kernel_init_freeable+0xbd/0xec > [ 2.822468][ T1] ? rest_init+0x100/0x100 > [ 2.822468][ T1] kernel_init+0x12/0xf0 > [ 2.822468][ T1] ret_from_fork+0x1c/0x30 > [ 2.822468][ T1] Modules linked in: > [ 2.822468][ T1] CR2: 0000000000000360 > [ 2.822468][ T1] ---[ end trace 0000000000000000 ]--- > [ 2.822468][ T1] EIP: add_mtd_device+0x32d/0x6a0 > [ 2.822468][ T1] Code: 01 ff ff ff 8d 50 ff 85 c2 0f 84 ec fe ff ff= 31 c0 e9 ef fe ff ff 8d b4 26 00 00 00 00 8b 83 cc 03 00 00 3d 08 ff ff ff= 74 0e <8b> 80 60 03 00 00 85 c0 0f 85 65 01 00 00 8b 7d 84 89 f8 e8 3b 61 > [ 2.822468][ T1] EAX: 00000000 EBX: c6eaa000 ECX: 00000001 EDX: 000= 00000 > [ 2.822468][ T1] ESI: 00000000 EDI: c6eaa0f8 EBP: c3f0becc ESP: c3f= 0be44 > [ 2.822468][ T1] DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 EFLAG= S: 00010213 > [ 2.822468][ T1] CR0: 80050033 CR2: 00000360 CR3: 0345a000 CR4: 000= 406d0 > [ 2.822468][ T1] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 000= 00000 > [ 2.822468][ T1] DR6: fffe0ff0 DR7: 00000400 > [ 2.822468][ T1] Kernel panic - not syncing: Fatal exception > [ 2.822468][ T1] Kernel Offset: disabled >=20 >=20 >=20 > To reproduce: >=20 > # build kernel > cd linux > cp config-5.18.0-rc3-00074-ga2af0cae87a0 .config > make HOSTCC=3Dgcc-11 CC=3Dgcc-11 ARCH=3Di386 olddefconfig prepare module= s_prepare bzImage modules > make HOSTCC=3Dgcc-11 CC=3Dgcc-11 ARCH=3Di386 INSTALL_MOD_PATH=3D modules_install > cd > find lib/ | cpio -o -H newc --quiet | gzip > modules.cgz >=20 >=20 > git clone https://github.com/intel/lkp-tests.git > cd lkp-tests > bin/lkp qemu -k -m modules.cgz job-script # job-script = is attached in this email >=20 > # if come across any failure that blocks the test, > # please remove ~/.lkp and /lkp dir to run from a clean state. >=20 >=20 >=20