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88 lines
2.7 KiB
88 lines
2.7 KiB
4 months ago
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/*
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* Check decoding of pkey_alloc syscall.
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*
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* Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
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* Copyright (c) 2016-2018 The strace developers.
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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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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "tests.h"
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#include <asm/unistd.h>
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#include "scno.h"
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#ifdef __NR_pkey_alloc
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# include <stdio.h>
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# include <unistd.h>
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int
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main(void)
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{
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static const kernel_ulong_t flags[] = {
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0,
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(kernel_ulong_t) 0xbadc0ded00000000ULL,
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(kernel_ulong_t) 0xffff0000eeee1111ULL,
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(kernel_ulong_t) 0x123456789abcdef0ULL,
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};
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static const struct {
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kernel_ulong_t val;
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const char *str;
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} rights[] = {
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{ (kernel_ulong_t) 0xbadc0ded00000002ULL,
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sizeof(kernel_ulong_t) > sizeof(int) ?
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"PKEY_DISABLE_WRITE|0xbadc0ded00000000" :
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"PKEY_DISABLE_WRITE" },
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{ 0xdec0ded, "PKEY_DISABLE_ACCESS|PKEY_DISABLE_EXECUTE|"
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"0xdec0de8" },
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{ 0x7, "PKEY_DISABLE_ACCESS|PKEY_DISABLE_WRITE|"
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"PKEY_DISABLE_EXECUTE" },
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{ ARG_STR(0) },
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{ 0xbadc0de8, "0xbadc0de8 /* PKEY_??? */" },
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};
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long rc;
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unsigned int i;
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unsigned int j;
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for (i = 0; i < ARRAY_SIZE(flags); i++) {
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for (j = 0; j < ARRAY_SIZE(rights); j++) {
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rc = syscall(__NR_pkey_alloc, flags[i], rights[j].val);
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printf("pkey_alloc(%#llx, %s) = %s\n",
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(unsigned long long) flags[i], rights[j].str,
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sprintrc(rc));
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}
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}
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puts("+++ exited with 0 +++");
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return 0;
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}
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#else
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SKIP_MAIN_UNDEFINED("__NR_pkey_alloc");
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#endif
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