#!/usr/bin/env bash # -*- coding: utf-8 -*- # # dissector_fuzz.sh -- fuzz test netsniff-ng's dissector and pcap io methods # with shitty pcap example files from the Wireshark archive # # Copyright (C) 2012 Daniel Borkmann # Copyright (C) 2012 Stefan Seering # # Note: build and *install* the toolkit first before running this script! # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License version 2 as # published by the Free Software Foundation. set -u if [ ${BASH_VERSINFO} -lt 3 ] ; then echo 'Error: Your bash need to be version 3 or newer. Exiting.' exit 1 # operators like =~ produce errors silently in old bash versions, so exit here fi archive='ftp://wireshark.org/automated/captures/' show_output='' # empty string evaluates to false run_through='' # empty string evaluates to false count_cores=0 count_files=0 netsniff_ng_opts='' if [ $# -gt 0 ] ; then if [ "$1" = '-h' -o "$1" = '--help' -o "$1" = '--usage' ] ; then echo 'Usage: dissector_fuzz [-s (show netsniff-ng output, default: no)] [-r (keep running on errors, default: no)] [netsniff-ng long-args]' exit 0 fi for opt in $@ ; do if [ "${opt}" = '-s' ] ; then show_output='true' elif [ "${opt}" = '-r' ] ; then run_through='true' else netsniff_ng_opts="${netsniff_ng_opts} ${opt}"; fi done fi mkdir -p fuzzing cd fuzzing wget -r -Nc -np -nd -A.pcap "$archive" |& grep -E "%|^--" ulimit -c unlimited rm -f core for file in *.pcap do echo "Testing file $file ..." if [ $show_output ]; then netsniff-ng --in "$file" "${netsniff_ng_opts}" else netsniff-ng --in "$file" "${netsniff_ng_opts}" > /dev/null fi if [ -e core ]; then echo "Fuck, core dumped on $file!" let count_cores=count_cores+1 if [ $run_through ]; then rm core else exit fi fi done if which cowsay > /dev/null ; then echo_cmd='cowsay' else echo_cmd='echo' fi ${echo_cmd} 'Your fuckup Score' echo " * tested pcaps: $count_files" echo " * core dumps: $count_cores" /net-next.git/diff/?h=nds-private-remove&id=e3818697e1d9140d0b990fecf4429d40c41ca0b5'>diff
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authorChris Wilson <chris@chris-wilson.co.uk>2017-01-09 11:19:32 +0000
committerJani Nikula <jani.nikula@intel.com>2017-02-08 13:10:24 +0200
commite3818697e1d9140d0b990fecf4429d40c41ca0b5 (patch)
treeff9717fc8bb3a99735084c5b6f01385889b6e36e
parent5351fbb1bf1413f6024892093528280769ca852f (diff)
drm/i915: Flush untouched framebuffers before display on !llc
On a non-llc system, the objects are created with .cache_level = CACHE_NONE and so the transition to uncached for scanout is a no-op. However, if the object was never written to, it will still be in the CPU domain (having been zeroed out by shmemfs). Those cachelines need to be flushed prior to display. Reported-and-tested-by: Vito Caputo Fixes: a6a7cc4b7db6 ("drm/i915: Always flush the dirty CPU cache when pinning the scanout") Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: <drm-intel-fixes@lists.freedesktop.org> # v4.10-rc1+ Link: http://patchwork.freedesktop.org/patch/msgid/20170109111932.6342-1-chris@chris-wilson.co.uk Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> (cherry picked from commit 69aeafeae9b30d797c439a30d1a4ccc8dc5b0eb0) Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c