#!/bin/bash # udelay() test script # # Test is executed by writing and reading to /sys/kernel/debug/udelay_test # and exercises a variety of delays to ensure that udelay() is delaying # at least as long as requested (as compared to ktime). # # Copyright (C) 2014 Google, Inc. # # This software is licensed under the terms of the GNU General Public # License version 2, as published by the Free Software Foundation, and # may be copied, distributed, and modified under those terms. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. MODULE_NAME=udelay_test UDELAY_PATH=/sys/kernel/debug/udelay_test setup() { /sbin/modprobe -q $MODULE_NAME tmp_file=`mktemp` } test_one() { delay=$1 echo $delay > $UDELAY_PATH tee -a $tmp_file < $UDELAY_PATH } cleanup() { if [ -f $tmp_file ]; then rm $tmp_file fi /sbin/modprobe -q -r $MODULE_NAME } trap cleanup EXIT setup # Delay for a variety of times. # 1..200, 200..500 (by 10), 500..2000 (by 100) for (( delay = 1; delay < 200; delay += 1 )); do test_one $delay done for (( delay = 200; delay < 500; delay += 10 )); do test_one $delay done for (( delay = 500; delay <= 2000; delay += 100 )); do test_one $delay done # Search for failures count=`grep -c FAIL $tmp_file` if [ $? -eq "0" ]; then echo "ERROR: $count delays failed to delay long enough" retcode=1 fi exit $retcode linux/net-next.git/'>summaryrefslogtreecommitdiff
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authorHarsh Jain <harsh@chelsio.com>2017-02-01 21:10:28 +0530
committerHerbert Xu <herbert@gondor.apana.org.au>2017-02-03 17:45:48 +0800
commit0b529f143e8baad441a5aac9ad55ec2434d8fb46 (patch)
treefd816e548e12745d4776ad0bd661bec142d3ea06 /net/ax25/ax25_subr.c
parentc26819900036f5b91608051a0fc7c76f6b4ffc7b (diff)
crypto: algif_aead - Fix kernel panic on list_del
Kernel panics when userspace program try to access AEAD interface. Remove node from Linked List before freeing its memory. Cc: <stable@vger.kernel.org> Signed-off-by: Harsh Jain <harsh@chelsio.com> Reviewed-by: Stephan Müller <smueller@chronox.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'net/ax25/ax25_subr.c')