From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f74.google.com (mail-wm1-f74.google.com [209.85.128.74]) (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 5B8FF3A543E for ; Tue, 19 May 2026 06:52:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.74 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779173570; cv=none; b=i6u8/vql+hbLY9Jl0apiT4Z1ceZ+aWHPVLhjIaPT+UXSmh6dg2Oh4B+yDnr/fEXoUNxpxUNtAJkIHvjGynPRR4KgjSwk4y61o8BDdxfGAjO558oMbb+LfCSZ6+vU+J/L+Sx+Xg3+GAyj2b6EC9cSPrcdw59nFCYM49Q10NPBdj8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779173570; c=relaxed/simple; bh=lxWvx4CQHa0k/H3V1kP2MGeAkjuHvfpHFdhN5XzziHw=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=BiLaJok/qlL5lcLfAxQW4R7PT625h11uhm9pCPumToqaVavA0zzvZ7m719pSJnTlh29COq+2hQA+voKkD+qaLPzo9EWGUv8cqweEbW0LpuhWFhEH7zsJ5Rbz/tvTCBfjHaXGj/WANS8zJyZw5Q6+gpsgP/L0DZNbESKw3eHmgE0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--dvyukov.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=bBCOTgh0; arc=none smtp.client-ip=209.85.128.74 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--dvyukov.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="bBCOTgh0" Received: by mail-wm1-f74.google.com with SMTP id 5b1f17b1804b1-48fe6894f3fso18266035e9.2 for ; Mon, 18 May 2026 23:52:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1779173567; x=1779778367; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=lxWvx4CQHa0k/H3V1kP2MGeAkjuHvfpHFdhN5XzziHw=; b=bBCOTgh09PGx5tLIeZmmovhycV4PUs+2yO6isKBThF31uf9kBRUdGUl58/PpGgdDK1 bgxI2P4Bfh6e+zxY17hCV68PBkLGP/vQ9l/Lb49dKrKSN534vuk+zqUDOhoVKRuc7Hof RfEwuQTN6/LYRt0ZCU1hDOShxpRWTTKLC1A7drxt/Ko10/CrBVNZMIPL/8z8CrMMVSJA sO8fWu10Ahm+uXgJOpZJJEXb6sdnmKke/Y9mgg0hr/rf0oTEzhcTBOVJDaBZeJJywgNc qdVvsMCsi1TMph6euLIJ6KP9q7lv2JlA2rPfKW6AzvdCdeKlMyWFPU0IlR23ZQtHkeTC qOjg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1779173567; x=1779778367; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=lxWvx4CQHa0k/H3V1kP2MGeAkjuHvfpHFdhN5XzziHw=; b=EopqMWImiN5hfD/iN1+gWOXhWuTkGUMqEd3HwvI1CiUQL7U8MGictSnmHYMmNUgk2N 0AGvOmVcOQA9tcg+noQBvDOSSfkmstF7YOtkgqnpj2dHt+39czubNdrZ/ZHCth8Ye9+P qigAB3TnsJcybn28cJyeT0oJFXZ+ObNspYMHYAMZYXUwx3x8jtOvdJhCGDS0JsMunpd1 vmLIhTKYhUuquglVyEP4owFXHNv+iIXcJhjd8dMwwhXAN1QdfUfW1G+LGm91dv7amj+l WZz4XadGpcs5ClJUQfdWhVKDk5jxPLxypgjmdSzUauyyq716yN+4nDIqAMuG0+Kt8gkp U/ug== X-Gm-Message-State: AOJu0YwHOms2BvphvsuT9XyBDelwE/A6ihAfUE7Uk2Go8pFsm9GeBzqL nnXlChJEchjuSxnC441UkPJkkJM1awls7Xg0VrhYI8KhGIVG4aPcw40vYmpciHK9DBN+AjF3jRj EA9piaR6fRw== X-Received: from wmxb15-n2.prod.google.com ([2002:a05:600d:844f:20b0:489:1f97:aec7]) (user=dvyukov job=prod-delivery.src-stubby-dispatcher) by 2002:a05:600c:1f8c:b0:489:1f08:91b with SMTP id 5b1f17b1804b1-48fe6323821mr259791255e9.16.1779173567455; Mon, 18 May 2026 23:52:47 -0700 (PDT) Date: Tue, 19 May 2026 08:52:43 +0200 In-Reply-To: <6865b1d8.a70a0220.5d25f.06c3.GAE@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <6865b1d8.a70a0220.5d25f.06c3.GAE@google.com> X-Mailer: git-send-email 2.54.0.631.ge1b05301d1-goog Message-ID: <20260519065243.762142-1-dvyukov@google.com> Subject: Re: [syzbot] [fs?] WARNING: suspicious RCU usage in proc_sys_compare From: Dmitry Vyukov To: syzbot+268eaa983b2fb27e5e38@syzkaller.appspotmail.com Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" It looks like this was only present in linux-next for a brief period of time: #syz invalid