From nobody Wed Feb 11 01:26:50 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 716CE140378 for ; Wed, 15 May 2024 14:31:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715783470; cv=none; b=LdeDONkPR6BJeI9RUQPjW/Om0Xb/ZrSPtUIkfKr/FW01FArryK0rI0skVOseQAoeUoiE5ufvG+tjHFLL7C7navJUXhcxp4Mra/l5cvNpSApErohAi5WWkCHnr/rMy4LHrer1RXafdqE9TET9pOawhTSfvSLUxHBo7p0QkCvbfPY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715783470; c=relaxed/simple; bh=nz8gc7LRRVeiI46Xu9az2XML2sycPRIUtnPJ3UZcVeE=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type; b=r31w9phHSl9vVkF+S/kZWigMIkPHMjyQGoMyFrGu/sArEhpb2pjRp5ekV1OX0atHdfYS2PiNpEpJCQRd0Ni6tdRVI7jeGKtlQ090QoDiM+JpvwtcMSYqFhBtABoML0BZRo0UrOJd3BWmRcCgmcra1HVHgQaauJ8jaslIFsS65h8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id D8674C116B1; Wed, 15 May 2024 14:31:08 +0000 (UTC) Date: Wed, 15 May 2024 10:31:02 -0400 From: Steven Rostedt To: LKML Cc: Masami Hiramatsu , Mathieu Desnoyers , Stephen Rothwell , Vincent Donnefort Subject: [for-next][PATCH] ring-buffer: Add cast to unsigned long addr passed to virt_to_page() Message-ID: <20240515103102.08c0fdb9@rorschach.local.home> X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace.git ring-buffer/for-next Head SHA1: b9c6820f029abaabbc37646093866aa730ca0928 Steven Rostedt (Google) (1): ring-buffer: Add cast to unsigned long addr passed to virt_to_page() ---- kernel/trace/ring_buffer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --------------------------- commit b9c6820f029abaabbc37646093866aa730ca0928 Author: Steven Rostedt (Google) Date: Wed May 15 01:05:58 2024 -0400 ring-buffer: Add cast to unsigned long addr passed to virt_to_page() =20 The sub-buffer pages are held in an unsigned long array, and when it is passed to virt_to_page() a cast is needed. =20 Link: https://lore.kernel.org/all/20240515124808.06279d04@canb.auug.org= .au/ Link: https://lore.kernel.org/linux-trace-kernel/20240515010558.4abaefd= d@rorschach.local.home =20 Cc: Masami Hiramatsu Cc: Mathieu Desnoyers Fixes: 117c39200d9d ("ring-buffer: Introducing ring-buffer mapping func= tions") Reported-by: Stephen Rothwell Signed-off-by: Steven Rostedt (Google) diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index a02c7a52a0f5..7345a8b625fb 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -6283,7 +6283,7 @@ static int __rb_map_vma(struct ring_buffer_per_cpu *c= pu_buffer, } =20 while (p < nr_pages) { - struct page *page =3D virt_to_page(cpu_buffer->subbuf_ids[s]); + struct page *page =3D virt_to_page((void *)cpu_buffer->subbuf_ids[s]); int off =3D 0; =20 if (WARN_ON_ONCE(s >=3D nr_subbufs)) {