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 69821C32774 for ; Tue, 23 Aug 2022 07:04:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240839AbiHWHEP (ORCPT ); Tue, 23 Aug 2022 03:04:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38016 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240840AbiHWHEN (ORCPT ); Tue, 23 Aug 2022 03:04:13 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0EFC352DD4; Tue, 23 Aug 2022 00:04:12 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 8D535614D8; Tue, 23 Aug 2022 07:04:11 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7E4D5C433C1; Tue, 23 Aug 2022 07:04:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1661238250; bh=/ErH2CPzRYTG2tg/l8g8IYvNmSNUuu2eBK3ns9EWnRw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=wH12risihUV3w2niamhFyJBNSW5U2AhMT/N4oArG0qRf9YzYDb+sPWA8fPMPkLOgm noxZEmdP7pk0hqnmh8pewnkoe95VLex1voTEVB+Owko3htZgefhfrnVGi26WBt1xf0 pjPdUauyZtn3uTzxWiZmt3c3VsyuyKNfl9Z8jZ70= Date: Tue, 23 Aug 2022 09:04:08 +0200 From: Greg KH To: RAJESH DASARI Cc: Jean-Philippe Brucker , stable@vger.kernel.org, linux-kernel@vger.kernel.org, df@google.com Subject: Re: bpf selftest failed in 5.4.210 kernel Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Mon, Aug 22, 2022 at 10:23:02PM +0300, RAJESH DASARI wrote: > Hi, > > Please find the test scenarios which I have tried. > > Test 1: > > Running system Kernel version (tag/commit) : v5.4.210 > Kernel source code checkout : v5.4.210 > test_align test case execution status : Failure > > Test 2: > > Running system Kernel version (tag/commit) : v5.4.210 > Kernel source code checkout : v5.4.209 > test_align test case execution status : Failure > > Test 3: > > Running system Kernel version (tag/commit) : v5.4.209 > Kernel source code checkout : v5.4.209 > test_align test case execution status : Success > > Test 4: > > Running system Kernel version (tag/commit) : ACPI: APEI: Better fix to > avoid spamming the console with old error logs ( Kernel compiled at > this commit and system is booted with this change) > Kernel source code checkout : v5.4.210 but reverted selftests/bpf: Fix > test_align verifier log patterns and selftests/bpf: Fix "dubious > pointer arithmetic" test. If I revert only the Fix "dubious pointer > arithmetic" test, the testcase still fails. > test_align test case execution status : Success > > Test 5: > > Running system Kernel version (tag/commit) : v5.4.210 but reverted > commit (bpf: Verifer, adjust_scalar_min_max_vals to always call > update_reg_bounds() ) > Kernel source code checkout : v5.4.210 but reverted selftests/bpf: Fix > test_align verifier log patterns and selftests/bpf: Fix "dubious > pointer arithmetic" test. > test_align test case execution status : Success > > Test 6 : > > Running system Kernel version (tag/commit) : bpf: Test_verifier, #70 > error message updates for 32-bit right shift( Kernel compiled at this > commit and system is booted with this change) > Kernel source code checkout : v5.4.209 or v5.4.210 > test_align test case execution status : Failure I'm sorry, but I don't know what to do with this report at all. Is there some failure somewhere? If you use 'git bisect' do you find the offending commit? confused, greg k-h