Received: by 2002:a05:7412:798b:b0:fc:a2b0:25d7 with SMTP id fb11csp871959rdb; Fri, 23 Feb 2024 02:47:06 -0800 (PST) X-Forwarded-Encrypted: i=2; AJvYcCUJi78oYl+jughR2dIW7YN+7Z4RtzwMmcOwqJQRDPilOGLbJ10AoMkJjsJTxAl+DTCVMkISoav62OZlI74VdjCJN4ES2dhfcCt7LOK0aw== X-Google-Smtp-Source: AGHT+IEnJTkgUlm+yv4T3OjDyEpUrneFisuf1lIIkRzxfxZ11Y1bO9vsCuG0rENySH5U2mw0MV58 X-Received: by 2002:a17:906:5955:b0:a3e:e77a:8c27 with SMTP id g21-20020a170906595500b00a3ee77a8c27mr1211876ejr.54.1708685226012; Fri, 23 Feb 2024 02:47:06 -0800 (PST) Return-Path: Received: from am.mirrors.kernel.org (am.mirrors.kernel.org. [2604:1380:4601:e00::3]) by mx.google.com with ESMTPS id hg6-20020a1709072cc600b00a3e8f7a2e76si4852948ejc.851.2024.02.23.02.47.05 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 23 Feb 2024 02:47:06 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-78172-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) client-ip=2604:1380:4601:e00::3; Authentication-Results: mx.google.com; arc=fail (body hash mismatch); spf=pass (google.com: domain of linux-kernel+bounces-78172-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) smtp.mailfrom="linux-kernel+bounces-78172-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by am.mirrors.kernel.org (Postfix) with ESMTPS id 84ABE1F26F52 for ; Fri, 23 Feb 2024 10:46:53 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id D80207C086; Fri, 23 Feb 2024 10:42:30 +0000 (UTC) Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 4BCC75C902; Fri, 23 Feb 2024 10:42:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708684950; cv=none; b=X/UgveILCZeNVerDYBfd2lmG1R3pnv9mPFqEqoAS/ocai4jr9UuDLGF4IVykUhQ6x/h68iGfWJHchlCG1ZfBJbeclDXIETetXlOZWuPkE8khu2zjKd4bS0dvm5bkNGv4PPuMCGprthfiFODpv2TfanjcQCKth/Bsyk9UuPgCHGM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708684950; c=relaxed/simple; bh=TuRfPZIINLDlgF89geTHSbS2hhL4J/pD5I7aljCqZF4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=dOv8lRulHmXAhi/4PX5VH6WQU9PsgFdhUWZZviNUHUBO9yFYLbZBbTmFK9RSf1d3u0JY4I2/FlhZhcm8HXwsuAzHAr4jKIAOnIz8i4tU4TUDp+3+wKJof6Cp5zgSPVKCorkmnBmP2uEI+Qm7M+X6e8h6XRB7PacEeAzDrDDnFTs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 28E9F1596; Fri, 23 Feb 2024 02:43:06 -0800 (PST) Received: from FVFF77S0Q05N (unknown [10.57.66.180]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 45B013F762; Fri, 23 Feb 2024 02:42:25 -0800 (PST) Date: Fri, 23 Feb 2024 10:42:16 +0000 From: Mark Rutland To: syzbot Cc: acme@kernel.org, adrian.hunter@intel.com, alexander.shishkin@linux.intel.com, eadavis@qq.com, irogers@google.com, jolsa@kernel.org, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, mingo@redhat.com, namhyung@kernel.org, netdev@vger.kernel.org, olsajiri@gmail.com, peterz@infradead.org, syzkaller-bugs@googlegroups.com, xrivendell7@gmail.com Subject: Re: [syzbot] [perf?] WARNING in perf_event_open Message-ID: References: <000000000000e8099a060cee1003@google.com> <00000000000007401c061204919d@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <00000000000007401c061204919d@google.com> On Thu, Feb 22, 2024 at 07:58:02PM -0800, syzbot wrote: > syzbot suspects this issue was fixed by commit: > > commit 7e2c1e4b34f07d9aa8937fab88359d4a0fce468e > Author: Mark Rutland > Date: Fri Dec 15 11:24:50 2023 +0000 > > perf: Fix perf_event_validate_size() lockdep splat > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=157c509c180000 > start commit: 5abde6246522 bpf: Avoid unnecessary use of comma operator .. > git tree: bpf-next > kernel config: https://syzkaller.appspot.com/x/.config?x=8f565e10f0b1e1fc > dashboard link: https://syzkaller.appspot.com/bug?extid=07144c543a5c002c7305 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16ba8929e80000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17be7265e80000 > > If the result looks correct, please mark the issue as fixed by replying with: > > #syz fix: perf: Fix perf_event_validate_size() lockdep splat I believe syzbot is correct; this is fixed by commit: 7e2c1e4b34f07d9a ("perf: Fix perf_event_validate_size() lockdep splat") .. so: #syz fix: perf: Fix perf_event_validate_size() lockdep splat Mark.