From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 558B3BE5A for ; Fri, 23 Feb 2024 03:58:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708660684; cv=none; b=KKwA8s2xa2KjbSaBUhw0ZWZLvnkMTCld6JniggWTCHlfqmQIVN/Kh/MvvUcAwcfZlYSIcqtkRu5/OUzaGeMpirfMJmNxzgm2iQwnxn0HTSez53vlybL3lIrXTOYTWVm18avlVt818Bjiu2TqkYPkDfLL96TkMgbW6Q4TxsYITKE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708660684; c=relaxed/simple; bh=s+Yr8P+VZymK9qUi2vr1SoV91WEqxauNSC7lkuGa/xg=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=dUdNwvcZhb3JyK609oUyMcX2ljI8fZIRNedC6CzzA7RM4Kv1s9pUdcU9sQzAipXw8xSZH6QTjvIXRkdOko2RqNA3wHhTnPj/F2UxmBy81kSMHg+0/fC3/SbD6wJaYF+2OUKgZNUNnl/aweK33VlJH6yMsfWG4eztZ62bbw9TPMU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.198 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f198.google.com with SMTP id e9e14a558f8ab-3657bb7b8e9so257495ab.0 for ; Thu, 22 Feb 2024 19:58:03 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1708660682; x=1709265482; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=CVs5Oi5l1ePOylG0jUHhDMQMafgobc0WLkQhm+3MvSM=; b=N+j3ZBo3nRdbyocKxAecZRPFO4kxY9B6LLUhrLGwrcod6yd7dQOvP3zUTlcomGbpEZ gIzF9tYetE/MmHQCNunslLQkKyn8apY/JNAVXCJHSGyAWqStfD8/rQ39TzFL0CiKHTBG n8dv16XuM6YGm/Ri/JYdL/BvEEK+3+ecTQZ51RNtx5hJO4oFbqHiRn+aCQkIsQeLhKgc xoOg7SOk6Odg09Eh4GJUOia6mvSHJQqDKClWG9YWKfeITEyrG9pua7AM79672K+2G3XO 4iaeh10N7g+J0Qhrh9AOPbFtHulEc3ZxNc6VAn5jinJwgpv0xJR1/KgkX+U5LRo0IMeb jDGQ== X-Forwarded-Encrypted: i=1; AJvYcCWtbsj3diXxROMytRJI+Uc01VSF3Vt6FC9d1DOK6RrI+CBxfhdWNIH8cmuLDeykzVdyCuueAGFlqDr4m333DoAiIDQMLWAQ+8bWsPNnQgcUxA== X-Gm-Message-State: AOJu0YxQKyoh9x0574GmcDiUImRjBsovmKc4JK6uK7Muk8NkolA5Gjfd caB/9HCxZBajUzsqBPiS6lPTeiiEWTdtQOR4CpxtzPUo6tZ/VA0QaGrwnSlqq66GLWjkcBbp1Or xQ1e15RtxEyEW86LZR/dzZHH6axqrsKhgCutnb08BSCdz8aOBcu9PaIE= X-Google-Smtp-Source: AGHT+IGlcRizHCRgaUTzalw5tG83myQ4oP0d1O6esy9NhIaiXm4C4MgMAuZpmVfWtX9Mughu91Y1G2V3x1iThJZHqYRsQqJAXxDN Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:20ee:b0:365:1611:5d5b with SMTP id q14-20020a056e0220ee00b0036516115d5bmr49958ilv.2.1708660682602; Thu, 22 Feb 2024 19:58:02 -0800 (PST) Date: Thu, 22 Feb 2024 19:58:02 -0800 In-Reply-To: <000000000000e8099a060cee1003@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000007401c061204919d@google.com> Subject: Re: [syzbot] [perf?] WARNING in perf_event_open From: syzbot To: 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, mark.rutland@arm.com, mingo@redhat.com, namhyung@kernel.org, netdev@vger.kernel.org, olsajiri@gmail.com, peterz@infradead.org, syzkaller-bugs@googlegroups.com, xrivendell7@gmail.com Content-Type: text/plain; charset="UTF-8" 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 For information about bisection process see: https://goo.gl/tpsmEJ#bisection