/* * This file is part of ioctl_inotify strace test. * * Copyright (c) 2018 The strace developers. * 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. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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. */ #include "tests.h" #include #include #include #include #include #include #ifndef INOTIFY_IOC_SETNEXTWD # define INOTIFY_IOC_SETNEXTWD _IOW('I', 0, int32_t) #endif static long sys_ioctl(kernel_long_t fd, kernel_ulong_t cmd, kernel_ulong_t arg) { return syscall(__NR_ioctl, fd, cmd, arg); } int main(void) { static const kernel_ulong_t unknown_inotify_cmd = (kernel_ulong_t) 0xbadc0dedfeed49edULL; static const kernel_ulong_t magic = (kernel_ulong_t) 0xdeadbeefbadc0dedULL; /* Unknown inotify commands */ sys_ioctl(-1, unknown_inotify_cmd, magic); printf("ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE%s, 0x49, %#x, %#x), " "%#lx) = -1 EBADF (%m)\n", _IOC_DIR((unsigned int) unknown_inotify_cmd) & _IOC_NONE ? "|_IOC_NONE" : "", _IOC_NR((unsigned int) unknown_inotify_cmd), _IOC_SIZE((unsigned int) unknown_inotify_cmd), (unsigned long) magic); sys_ioctl(-1, INOTIFY_IOC_SETNEXTWD + 1, magic); printf("ioctl(-1, _IOC(_IOC_WRITE, 0x49, %#x, %#x), %#lx)" " = -1 EBADF (%m)\n", (unsigned int) _IOC_NR(INOTIFY_IOC_SETNEXTWD + 1), (unsigned int) _IOC_SIZE(INOTIFY_IOC_SETNEXTWD + 1), (unsigned long) magic); /* INOTIFY_IOC_SETNEXTWD */ sys_ioctl(-1, INOTIFY_IOC_SETNEXTWD, magic); printf("ioctl(-1, INOTIFY_IOC_SETNEXTWD, %d) = -1 EBADF (%m)\n", (int) magic); puts("+++ exited with 0 +++"); return 0; }