1 /* 2 * Check decoding of inotify_add_watch and inotify_rm_watch syscalls. 3 * 4 * Copyright (c) 2016 Eugene Syromyatnikov <evgsyr (at) gmail.com> 5 * Copyright (c) 2016-2018 The strace developers. 6 * All rights reserved. 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 * 3. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include "tests.h" 32 33 #include <asm/unistd.h> 34 35 #if defined(__NR_inotify_add_watch) && defined(__NR_inotify_rm_watch) 36 37 # include <stdio.h> 38 # include <string.h> 39 # include <unistd.h> 40 41 int 42 main(void) 43 { 44 static const struct { 45 const char *path; 46 const char *str; 47 } bogus_path_str = { 48 ARG_STR("/abc\1/def\2/ghi\3/jkl\4/mno\5/pqr\6/stu\7/vwx\10") }; 49 static const kernel_ulong_t bogus_fd = 50 (kernel_ulong_t) 0xfffffeedfffffaceULL; 51 static const kernel_ulong_t bogus_mask = 52 (kernel_ulong_t) 0xffffda7affffdeadULL; 53 static const char *bogus_mask_str = "IN_ACCESS|IN_ATTRIB|" 54 "IN_CLOSE_WRITE|IN_OPEN|IN_MOVED_TO|IN_DELETE|IN_DELETE_SELF|" 55 "IN_MOVE_SELF|IN_Q_OVERFLOW|IN_IGNORED|IN_ONLYDIR|" 56 "IN_DONT_FOLLOW|IN_EXCL_UNLINK|IN_MASK_CREATE|IN_MASK_ADD|" 57 "IN_ISDIR|IN_ONESHOT|0x8ff1000"; 58 59 long rc; 60 char *bogus_path = tail_memdup(bogus_path_str.path, 61 strlen(bogus_path_str.path) + 1); 62 63 rc = syscall(__NR_inotify_add_watch, 0, NULL, 0); 64 printf("inotify_add_watch(0, NULL, 0) = %s\n", sprintrc(rc)); 65 66 rc = syscall(__NR_inotify_add_watch, bogus_fd, bogus_path + 4096, 0); 67 printf("inotify_add_watch(%d, %p, %u) = %s\n", 68 (int) bogus_fd, bogus_path + 4096, 0, sprintrc(rc)); 69 70 rc = syscall(__NR_inotify_add_watch, bogus_fd, bogus_path, bogus_mask); 71 printf("inotify_add_watch(%d, %s, %s) = %s\n", 72 (int) bogus_fd, bogus_path_str.str, bogus_mask_str, 73 sprintrc(rc)); 74 75 rc = syscall(__NR_inotify_rm_watch, 0, 0); 76 printf("inotify_rm_watch(0, 0) = %s\n", sprintrc(rc)); 77 78 rc = syscall(__NR_inotify_rm_watch, bogus_fd, bogus_fd); 79 printf("inotify_rm_watch(%d, %d) = %s\n", 80 (int) bogus_fd, (int) bogus_fd, sprintrc(rc)); 81 82 puts("+++ exited with 0 +++"); 83 84 return 0; 85 } 86 87 #else 88 89 SKIP_MAIN_UNDEFINED("__NR_inotify_add_watch && __NR_inotify_rm_watch"); 90 91 #endif 92
