From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 7BC2341D4F3; Wed, 2 Sep 2026 22:14:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788387272; cv=none; b=pWGb0tKzyIc5HZrEhNONKWftJPcbEeVXWYBaZxk+8blgf0YeNCrYidK0+k0zy90kiBlLqvktnt/SDplM9dFh9/qqoPIsIHzgdBTrXPFdhDMoe2LAp/gFK8donw8m7EfO504twnJS0+5zsovO1C6QCcAS8cX8g49fPLBTjB53tTA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788387272; c=relaxed/simple; bh=mEGxaygLEVF+0pFwWFu7necal/VkHZ96PXEvCXDTTBI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=BMjQiCJp1KFuXxarakiPPDbQgaPkI9HJMyuBvEmZ7W5hNf/iE2dG7tlrKPQbKRUwNHt6OaljXSLSSOjZCCbtp8V4yHto/NPw6HRk5lZHMQgYUEOBOWBT0SekIqt+yQf2ZsRu/D9zePHsrDoe+DAAuAfq/On68bqBvIHbhVEJG44= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Hyeb32ql; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Hyeb32ql" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0CEE91F00A3D; Wed, 2 Sep 2026 22:14:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788387267; bh=ZmMoe4LxxlhmDnwmcXUyGO7LsP2v+nJ/KvbYpZVDDHk=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=Hyeb32ql4z4cMIWCfHXpyttOam8g/A41304yT9nZEr4o+YskmGJDIfJraoBt8PhNG 8yA+go3YboVx9vIdY9ye7R+gj+fHnPecBGTOqxcupFhF3GPiYMzH4cN1YlhiU6l6JB +UVpFaM3NCFPtRbED+gWn3LWfRn57AMHAbvHyjUM61dwYQ6QjziaqOs17qULfhB+91 ZEDbJxPn2oIOL5q+5xgDuIFYylT/g8YR1BLzUwT57HsyODwVu8FHRQng8h6oTL+FGj r1bN7V+4UfO4IutiMXZgLqaEHpgDB+N3It8j5AnDVkYpNiquIqSa5XFrc/8jwJwSrR /EEM1B+1JxM9Q== From: Sasha Levin To: Vincent Donnefort , stable@vger.kernel.org Cc: Sasha Levin , rostedt@goodmis.org, mhiramat@kernel.org, linux-trace-kernel@vger.kernel.org, mathieu.desnoyers@efficios.com, kernel-team@android.com, linux-kernel@vger.kernel.org, Lee Jones Subject: Re: STABLE REQ: [PATCH v5 06/10] tracing: Fix subbuf resize races with trace_pipe_raw readers Date: Wed, 2 Sep 2026 18:14:05 -0400 Message-ID: <20260902-daily-reply-0006-tracing-subbuf-resize-7-2@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260901123444.GA1350131@google.com> References: <20260901123444.GA1350131@google.com> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit > Concurrent subbuffer resizes may crash trace_pipe_raw readers or leak > uninitialized memory to userspace due to stale size values. > > Fixes: bce761d75745 ("ring-buffer: Read and write to ring buffers with custom sub buffer size") > Signed-off-by: Vincent Donnefort > > Not sure if this is the latest version or not? > > I see review comments, but no v6. Anyway, no matter, it'll do. Queued for 7.2, thanks. -- Thanks, Sasha