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Diffstat (limited to 'tools/test/stress2/misc/procfs5.sh')
-rwxr-xr-x | tools/test/stress2/misc/procfs5.sh | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/tools/test/stress2/misc/procfs5.sh b/tools/test/stress2/misc/procfs5.sh new file mode 100755 index 000000000000..70cd3214db02 --- /dev/null +++ b/tools/test/stress2/misc/procfs5.sh @@ -0,0 +1,84 @@ +#!/bin/sh + +# +# Copyright (c) 2013 EMC Corp. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +# SUCH DAMAGE. +# + +# Issue involving signed overflow. +# Test scenario based on panic seen in +# http://people.freebsd.org/~pho/stress/log/kostik640.txt +# Fixed in r258365, r258397. + +# Scenario by kib@ + +[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 + +. ../default.cfg + +mount | grep -q "/proc " || mount -t procfs procfs /proc + +here=`pwd` +cd /tmp +sed '1,/^EOF/d' < $here/$0 > procfs_lr.c +mycc -o procfs_lr -Wall -Wextra -O2 procfs_lr.c || exit 1 +rm -f procfs_lr.c + +/tmp/procfs_lr 2>/dev/null + +rm -f /tmp/procfs_lr + +exit 0 +EOF +/* $Id: procfs_lr.c,v 1.1 2013/11/16 07:06:46 kostik Exp kostik $ */ + +#include <sys/types.h> +#include <sys/fcntl.h> +#include <err.h> +#include <errno.h> +#include <string.h> +#include <stdio.h> +#include <unistd.h> + +int +main(void) +{ + static const char name[] = "/proc/curproc/map"; + const off_t uio_offset = 0x6f51f3a1185bced9; +#if defined(__LP64__) + const size_t uio_resid = 0x4c330b10965a61af; +#else + const size_t uio_resid = 0x965a61af; +#endif + char buf[1]; + int error, fd; + + fd = open(name, O_RDONLY); + if (fd == -1) + err(1, "open"); + error = pread(fd, buf, uio_resid, uio_offset); + if (error == -1) + fprintf(stderr, "pread: %s\n", strerror(errno)); + return (0); +} |