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 31716330B03 for ; Thu, 27 Nov 2025 12:43:34 +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=1764247415; cv=none; b=jJg0nr7xdEKD6QtVC/r3PY2WXxfXq/rpvB5iXl5BWNxROGCfrYhonbZZVSqD8Mzam/RXlWDvNhPVO+Ytwwcm1YKSLoW+SRtCE3/yZA70UCQkXmxGc96Qv6dqj4rwJzrpNOfyhwHf47yn+HqukX5vje9K0moEl1kW7Ypv/hLdoZs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764247415; c=relaxed/simple; bh=5XlRU++e9c5pSgLSL/b+xFPzV/Rar7Ll2mUnIq+4ji4=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=iw4MhaosS6KgRc3Vwg2IK4Nmay+Wo1ih+2XWgeRjpdTqGqsCJ38PBCHM/3XLQQbsVCtG+mLFxLH1Mw19GalSMYUxLzuNRfh9tzVcvaPGtsGcB/h3rj5eOzZ6Lik45xBZrBBA2vf7oZ1CSLNekqfG+ZOCOUYJmHMEmosrNofULiY= 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-4337cb921c2so7071865ab.2 for ; Thu, 27 Nov 2025 04:43:33 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1764247413; x=1764852213; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=U4pVIrdF03nBgGSvMpS0PBE6wFh/EWc20+SZVOrO8qo=; b=OY1ZME1lU6mlfM7blu8gXkpMvZ90t0PdXz5Eh8gysPYxdCauwGVYIzZkPved+ngwzy VdHU0U1ITeXGxE6VxOZxZ4kKrcZ76nprPs20925JuCySMlS4YTerCanM39+kD/I1saqB QufTP20OFBmA9xArda69fNWt+5nHrlZRFqdjEjxMD6YYEcpP9jLHH4Mol61ZdlmFXLD2 yReckE+FvG1q5wHpklFIXQ71PyW8r4N7B+px2hSvTVmb+xQinxCUfvjl0UkpunW7+YAt F2lW6ZMH7OKsFcRwA7ftmzxh2eWQjtTvK+SD4VyvnBZHhFP3BNQbralVuk5YJX29BaOr f1vg== X-Forwarded-Encrypted: i=1; AJvYcCVysVcwz+GHaK51JkR9S60Tt0oauqwwoK/KBlTcJ7RFADL/So0DZMmyhlpguzF2Xe4q/xNJ32hKc6wsvoU=@vger.kernel.org X-Gm-Message-State: AOJu0Yw2EjI4TnGFrbFYUMS4PJE1jFGKZbGFKdX1gMDNxzoA2P5SbCsb b9pkhRjw3Cr6m3IqyWfUsIIquiXvDZuFwFYjI1/a76NqXcF3mP/G9Gx2lXOReCKyEktTaJ+VNR1 iJhfnCbwknLMi/mh23x3jTI1xKeCx1siQcpVsgsFz6K18kgRqYDnwv1UQdHY= X-Google-Smtp-Source: AGHT+IHHamr/UP60ibaRqb7SlYOYe80VmpUXf8z/oPKPtCnc6dbCxJpwV3y8xKpCv3kb+jbyCtjacnI7cvrTpBzm0/LXtkqSl25I Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:144d:b0:433:51eb:7f49 with SMTP id e9e14a558f8ab-435b8eb439fmr169083165ab.19.1764247413375; Thu, 27 Nov 2025 04:43:33 -0800 (PST) Date: Thu, 27 Nov 2025 04:43:33 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69284775.a70a0220.d98e3.0104.GAE@google.com> Subject: [syzbot] Monthly perf report (Nov 2025) From: syzbot To: acme@kernel.org, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, mingo@redhat.com, namhyung@kernel.org, peterz@infradead.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello perf maintainers/developers, This is a 31-day syzbot report for the perf subsystem. All related reports/information can be found at: https://syzkaller.appspot.com/upstream/s/perf During the period, 1 new issues were detected and 0 were fixed. In total, 4 issues are still open and 27 have already been fixed. Some of the still happening issues: Ref Crashes Repro Title <1> 8934 Yes WARNING: suspicious RCU usage in get_callchain_entry https://syzkaller.appspot.com/bug?extid=72a43cdb78469f7fbad1 <2> 102 Yes WARNING in __perf_event_overflow (2) https://syzkaller.appspot.com/bug?extid=2524754f17993441bf66 <3> 9 Yes WARNING in perf_event_throttle_group https://syzkaller.appspot.com/bug?extid=a945e9d15c8a49a7a7f0 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. To disable reminders for individual bugs, reply with the following command: #syz set no-reminders To change bug's subsystems, reply with: #syz set subsystems: new-subsystem You may send multiple commands in a single email message.