1#!/bin/sh 2 3# 4# SPDX-License-Identifier: BSD-2-Clause 5# 6# Copyright (c) 2021 Mark Johnston <markj@freebsd.org> 7# 8# Redistribution and use in source and binary forms, with or without 9# modification, are permitted provided that the following conditions 10# are met: 11# 1. Redistributions of source code must retain the above copyright 12# notice, this list of conditions and the following disclaimer. 13# 2. Redistributions in binary form must reproduce the above copyright 14# notice, this list of conditions and the following disclaimer in the 15# documentation and/or other materials provided with the distribution. 16# 17# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27# SUCH DAMAGE. 28# 29 30# Test scenario submitted by Mark Johnston <markj@freebsd.org> 31 32# "Fatal trap 18: integer divide fault while in kernel mode" seen. 33# Reported by syzkaller 34# Fixed by r353010 35 36cat > /tmp/fcntl3.c <<EOF 37#include <err.h> 38#include <fcntl.h> 39#include <unistd.h> 40 41int 42main(void) 43{ 44 45 if (fcntl(STDIN_FILENO, F_RDAHEAD) != 0) 46 err(1, "fcntl"); 47 return (0); 48} 49EOF 50cc -o /tmp/fcntl3 -Wall -Wextra -O2 /tmp/fcntl3.c || exit 1 51 52echo "Expect: fcntl3: fcntl: Inappropriate ioctl for device" 53/tmp/fcntl3 54 55rm -f /tmp/fcntl3 /tmp/fcntl3.c 56exit 0 57