/* * Check decoding of pkey_alloc syscall. * * Copyright (c) 2016 Eugene Syromyatnikov * Copyright (c) 2016-2019 The strace developers. * All rights reserved. * * SPDX-License-Identifier: GPL-2.0-or-later */ #include "tests.h" #include "scno.h" #ifdef __NR_pkey_alloc # include # include int main(void) { static const kernel_ulong_t flags[] = { 0, (kernel_ulong_t) 0xbadc0ded00000000ULL, (kernel_ulong_t) 0xffff0000eeee1111ULL, (kernel_ulong_t) 0x123456789abcdef0ULL, }; static const struct { kernel_ulong_t val; const char *str; } rights[] = { { (kernel_ulong_t) 0xbadc0ded00000002ULL, sizeof(kernel_ulong_t) > sizeof(int) ? "PKEY_DISABLE_WRITE|0xbadc0ded00000000" : "PKEY_DISABLE_WRITE" }, { 0xdec0ded, "PKEY_DISABLE_ACCESS|PKEY_DISABLE_EXECUTE|" "0xdec0de8" }, { 0x7, "PKEY_DISABLE_ACCESS|PKEY_DISABLE_WRITE|" "PKEY_DISABLE_EXECUTE" }, { ARG_STR(0) }, { 0xbadc0de8, "0xbadc0de8 /* PKEY_??? */" }, }; long rc; unsigned int i; unsigned int j; for (i = 0; i < ARRAY_SIZE(flags); i++) { for (j = 0; j < ARRAY_SIZE(rights); j++) { rc = syscall(__NR_pkey_alloc, flags[i], rights[j].val); printf("pkey_alloc(%#llx, %s) = %s\n", (unsigned long long) flags[i], rights[j].str, sprintrc(rc)); } } puts("+++ exited with 0 +++"); return 0; } #else SKIP_MAIN_UNDEFINED("__NR_pkey_alloc"); #endif