From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f71.google.com (mail-oo1-f71.google.com [209.85.161.71]) (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 9D13F1C549F for ; Thu, 19 Mar 2026 12:21:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.71 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773922877; cv=none; b=GrBkh7CF6rHTrBe9LeMkY2QWwEi/qz5aUIdsHShFFABTl8K8o0+3Z+N3Bp3UN7LFexAzJEIeQDD6iaR5u8S+2MsSlcida77YP+/8X2DBY5LElvuaHOydG93bQa3zG5coYtH64VCKtzRRJ86PRtwwd9xYufyzKHh6VmofhCxnyT4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773922877; c=relaxed/simple; bh=YhxONHSaNbgSviDsDrU9XQtIi2yR4jc+AUFEDnPb710=; h=MIME-Version:Date:Message-ID:Subject:From:To:Cc:Content-Type; b=leT7kkAamKaEquRRi0iKDPtJrE0zwY5/9ndonBbi/mnKEqomgv1VZ56pjopXN7QjcHtrWvQfZN7flEJxvrWI8ko8FE++0+PSZtKKi5iEy6zhW67LL1xwBuleyHEIHntkZbptPnBzpInYCXnWBEKh1oe187TROLKfV73gGafpj+g= 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=209.85.161.71 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-oo1-f71.google.com with SMTP id 006d021491bc7-67ba8269efaso7746252eaf.1 for ; Thu, 19 Mar 2026 05:21:15 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1773922874; x=1774527674; h=content-transfer-encoding:cc:to:from:subject:message-id:date :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=6Vfo4DtnRCfrgnKcKlhWsgWwhWnk9HSvHhhbuFrcQBg=; b=UJgrZP4wkjINlFxMIV4D48h55T9uEhGC+RtX3YVzHwL13yzSHGLftsso6FR2feNgzs yeIXDVvwF+bSBn7tEscTai2S547F1+Ktkq91im8eLKSPJnyJzn5KDlETvZt8fge+mqVc 4xgtMcDzlO2qQeNge8exoMuRsVQftvOZPa5xHBwioFrj2JbzZlWj5k6MrHQPyV9RQz5U QgBfO8IqPyocwNlJhqSZl4xUndj+4/yg5qDfiEgisR/zUj7vXrOq0r5Y8NzF7vGqffXc It7EcB159aevJrQUAdqLpqSv8v9YfqkthL3orFyZkEslEXe7bpWtfAz1oVhBaFfjGOCT HNLg== X-Gm-Message-State: AOJu0YzEMW9cuM8QTowOkpeY2vceOqPMpN9DiB7Lnou9mumrUNG+VNLz R8thzzdXWzjzeKbCGxREaYEcuGK9Da5YZLwybtClPAEXr4iQksqMiqrWCKKXMF5OwKYbo4f3/hb CE6Eo6glRyigdM3lgLh6ENyIVyjls/5nmTfwQNwX3RYIZDx2q//nZnsv9Qew= Precedence: bulk X-Mailing-List: syzbot@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:8107:b0:67b:e4a1:9e55 with SMTP id 006d021491bc7-67c0db0d2e6mr4139829eaf.42.1773922874631; Thu, 19 Mar 2026 05:21:14 -0700 (PDT) Date: Thu, 19 Mar 2026 05:21:14 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69bbea3a.050a0220.3a088d.0012.GAE@google.com> Subject: [moderation/CI] Re: locking: contended_release tracepoint instrumentation From: syzbot ci To: syzkaller-upstream-moderation@googlegroups.com Cc: syzbot@lists.linux.dev Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable syzbot ci has tested the following series [v3] locking: contended_release tracepoint instrumentation https://lore.kernel.org/all/cover.1773858853.git.d@ilvokhin.com * [PATCH v3 1/4] tracing/lock: Remove unnecessary linux/sched.h include * [PATCH v3 2/4] locking/percpu-rwsem: Extract __percpu_up_read() * [PATCH v3 3/4] locking: Add contended_release tracepoint to sleepable loc= ks * [RFC PATCH v3 4/4] locking: Add contended_release tracepoint to spinning = locks and found the following issue: kernel build error Full report is available here: https://ci.syzbot.org/series/76d0e02e-59d8-4b47-9e05-ac2b9870fb24 *** kernel build error tree: mm-new URL: https://kernel.googlesource.com/pub/scm/linux/kernel/git/akpm/mm= .git base: 39849a55738542a4cdef8394095ccfa98530e250 arch: amd64 compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp= 1~20251221153213.50), Debian LLD 21.1.8 config: https://ci.syzbot.org/builds/a74474c1-b3a4-4247-a0b6-cf264610d3d= 7/config kernel/locking/mutex.c:978:43: error: use of undeclared identifier 'waiter' *** If these findings have caused you to resend the series or submit a separate fix, please add the following tag to your commit message: Tested-by: syzbot@syzkaller.appspotmail.com --- This report is generated by a bot. It may contain errors. syzbot ci engineers can be reached at syzkaller@googlegroups.com. The email will later be sent to: [arnd@arndb.de boqun@kernel.org cl@gentwo.org d@ilvokhin.com dennis@kernel.= org kernel-team@meta.com linux-arch@vger.kernel.org linux-kernel@vger.kerne= l.org linux-mm@kvack.org linux-trace-kernel@vger.kernel.org longman@redhat.= com mathieu.desnoyers@efficios.com mhiramat@kernel.org mingo@redhat.com pet= erz@infradead.org rostedt@goodmis.org tj@kernel.org usama.arif@linux.dev wi= ll@kernel.org] If the report looks fine to you, reply with: #syz upstream If the report is a false positive, reply with #syz invalid