79 lines
2.7 KiB
C
79 lines
2.7 KiB
C
/*
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* Check decoding of prctl operations without arguments and return code parsing:
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* PR_GET_KEEPCAPS, PR_GET_SECCOMP, PR_GET_TIMERSLACK, PR_GET_TIMING,
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* PR_TASK_PERF_EVENTS_DISABLE, and PR_TASK_PERF_EVENTS_ENABLE.
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*
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* Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
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* Copyright (c) 2016-2017 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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#if defined __NR_prctl
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# include <stdio.h>
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# include <unistd.h>
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# include <linux/prctl.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 bogus_op_bits =
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(kernel_ulong_t) 0xbadc0ded00000000ULL;
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static const kernel_ulong_t bogus_arg =
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(kernel_ulong_t) 0xfacefeeddeadbeefULL;
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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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} options[] = {
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{ 7, "PR_GET_KEEPCAPS" },
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{ 13, "PR_GET_TIMING" },
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{ 21, "PR_GET_SECCOMP" },
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{ 30, "PR_GET_TIMERSLACK" },
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{ 31, "PR_TASK_PERF_EVENTS_DISABLE" },
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{ 32, "PR_TASK_PERF_EVENTS_ENABLE" },
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};
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TAIL_ALLOC_OBJECT_CONST_PTR(unsigned int, ptr);
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unsigned int i;
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for (i = 0; i < ARRAY_SIZE(options); i++) {
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long rc = syscall(__NR_prctl, options[i].val | bogus_op_bits,
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bogus_arg);
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printf("prctl(%s) = %s\n", options[i].str, sprintrc(rc));
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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_prctl")
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#endif
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