From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752715AbaIXKdV (ORCPT ); Wed, 24 Sep 2014 06:33:21 -0400 Received: from mail-we0-f179.google.com ([74.125.82.179]:63693 "EHLO mail-we0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751772AbaIXKdU (ORCPT ); Wed, 24 Sep 2014 06:33:20 -0400 From: Daniel Thompson To: Steven Rostedt , Ingo Molnar Cc: Daniel Thompson , linux-kernel@vger.kernel.org, patches@linaro.org, linaro-kernel@lists.linaro.org, John Stultz , Sumit Semwal , kgdb-bugreport@lists.sourceforge.net Subject: [PATCH 3.17-rc4 v2 0/2] trace: kdb: Bug fixes for ftdump Date: Wed, 24 Sep 2014 11:32:59 +0100 Message-Id: <1411554781-16751-1-git-send-email-daniel.thompson@linaro.org> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1410360247-13791-1-git-send-email-daniel.thompson@linaro.org> References: <1410360247-13791-1-git-send-email-daniel.thompson@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patchset makes it possible to use kdb's ftdump command without panicing, crashing or livelocking. Changes since v1: * Fixed use-after-free problems in v1 by adding logic to NULL out buffer_iter during free operations. * Introduced a second patch to fix a live lock when trying to display an empty trace buffer. Daniel Thompson (2): trace: kdb: Fix kernel panic during ftdump trace: kdb: Fix kernel livelock with empty buffers kernel/trace/trace_kdb.c | 21 +++++++++++++-------- 1 file changed, 13 insertions(+), 8 deletions(-) -- 1.9.3