1 /* 2 * Check decoding of pkey_alloc syscall. 3 * 4 * Copyright (c) 2016 Eugene Syromyatnikov <evgsyr (at) gmail.com> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #include "tests.h" 31 #include <asm/unistd.h> 32 #include "scno.h" 33 34 #ifdef __NR_pkey_alloc 35 36 # include <stdio.h> 37 # include <unistd.h> 38 39 int 40 main(void) 41 { 42 static const kernel_ulong_t flags[] = { 43 0, 44 (kernel_ulong_t) 0xbadc0ded00000000ULL, 45 (kernel_ulong_t) 0xffff0000eeee1111ULL, 46 (kernel_ulong_t) 0x123456789abcdef0ULL, 47 }; 48 static const struct { 49 kernel_ulong_t val; 50 const char *str; 51 } rights[] = { 52 { (kernel_ulong_t) 0xbadc0ded00000002ULL, 53 sizeof(kernel_ulong_t) > sizeof(int) ? 54 "PKEY_DISABLE_WRITE|0xbadc0ded00000000" : 55 "PKEY_DISABLE_WRITE" }, 56 { 0xdec0ded, "PKEY_DISABLE_ACCESS|0xdec0dec" }, 57 { 0x3, "PKEY_DISABLE_ACCESS|PKEY_DISABLE_WRITE" }, 58 { ARG_STR(0) }, 59 { 0xbadc0dec, "0xbadc0dec /* PKEY_??? */" }, 60 }; 61 62 long rc; 63 unsigned int i; 64 unsigned int j; 65 66 for (i = 0; i < ARRAY_SIZE(flags); i++) { 67 for (j = 0; j < ARRAY_SIZE(rights); j++) { 68 rc = syscall(__NR_pkey_alloc, flags[i], rights[j].val); 69 printf("pkey_alloc(%#llx, %s) = %s\n", 70 (unsigned long long) flags[i], rights[j].str, 71 sprintrc(rc)); 72 } 73 } 74 75 puts("+++ exited with 0 +++"); 76 77 return 0; 78 } 79 80 #else 81 82 SKIP_MAIN_UNDEFINED("__NR_pkey_alloc"); 83 84 #endif 85
