110 lines
3.0 KiB
C
110 lines
3.0 KiB
C
/*-
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* Copyright (c) 2006 Bruce M. Simpson
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* Regression test for uiomove in kernel; specifically for PR kern/38495.
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*/
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/un.h>
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#include <stdlib.h>
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#include <signal.h>
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#include <setjmp.h>
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#include <string.h>
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#include <err.h>
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#include <errno.h>
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#include <unistd.h>
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static char socket_path[] = "tmp.XXXXXX";
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static jmp_buf myjmpbuf;
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static void handle_sigalrm(int signo __unused)
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{
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longjmp(myjmpbuf, 1);
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}
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int
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main(void)
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{
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struct sockaddr_un un;
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pid_t pid;
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int s;
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if (mkstemp(socket_path) == -1)
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err(1, "mkstemp");
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s = socket(PF_LOCAL, SOCK_DGRAM, 0);
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if (s == -1)
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errx(-1, "socket");
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memset(&un, 0, sizeof(un));
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un.sun_family = AF_LOCAL;
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unlink(socket_path);
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strcpy(un.sun_path, socket_path);
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if (bind(s, (struct sockaddr *)&un, sizeof(un)) == -1)
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errx(-1, "bind");
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pid = fork();
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if (pid == -1)
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errx(-1, "fork");
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if (pid == 0) {
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int conn;
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char buf[] = "AAAAAAAAA";
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close(s);
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conn = socket(AF_LOCAL, SOCK_DGRAM, 0);
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if (conn == -1)
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errx(-1,"socket");
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if (sendto(conn, buf, sizeof(buf), 0, (struct sockaddr *)&un,
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sizeof(un)) != sizeof(buf))
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errx(-1,"sendto");
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close(conn);
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_exit(0);
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}
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sleep(5);
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/* Make sure the data is there when we try to receive it. */
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if (recvfrom(s, (void *)-1, 1, 0, NULL, NULL) != -1)
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errx(-1,"recvfrom succeeded when failure expected");
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(void)signal(SIGALRM, handle_sigalrm);
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if (setjmp(myjmpbuf) == 0) {
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/*
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* This recvfrom will panic an unpatched system, and block
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* a patched one.
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*/
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alarm(5);
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(void)recvfrom(s, (void *)-1, 1, 0, NULL, NULL);
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}
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/* We should reach here via longjmp() and all should be well. */
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return (0);
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}
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