tests: extend coverage of execve and execveat syscalls
Check decoding of inaccessible or partially inaccessible arrays. * tests/execve-v.c: New file. * tests/execveat-v.c: Likewise. * tests/execve-v.test: New test. * tests/execveat-v.test: Likewise. * tests/execve.c: Rewrite. * tests/execveat.c: Likewise. * tests/execve.test: Likewise. * tests/execveat.test: Likewise. * tests/execve.expected: Remove. * tests/execve-v.expected: Likewise. * tests/execveat.expected: Likewise. * tests/execveat-v.expected: Likewise. * tests/.gitignore: Add execve-v and execveat-v. * tests/Makefile.am (check_PROGRAMS): Likewise. (TESTS): Add execve-v.test and execveat-v.test. (EXTRA_DIST): Remove execve.expected, execve-v.expected, execveat.expected, and execveat-v.expected.
This commit is contained in:
parent
3c00e63b03
commit
23168c1e54
2
tests/.gitignore
vendored
2
tests/.gitignore
vendored
@ -17,7 +17,9 @@ clock_xettime
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epoll_create1
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eventfd
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execve
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execve-v
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execveat
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execveat-v
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fanotify_mark
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fcntl
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fcntl64
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@ -67,7 +67,9 @@ check_PROGRAMS = \
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epoll_create1 \
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eventfd \
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execve \
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execve-v \
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execveat \
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execveat-v \
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fanotify_mark \
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fcntl \
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fcntl64 \
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@ -211,7 +213,9 @@ TESTS = \
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epoll_create1.test \
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eventfd.test \
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execve.test \
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execve-v.test \
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execveat.test \
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execveat-v.test \
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fanotify_mark.test \
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fcntl.test \
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fcntl64.test \
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@ -328,10 +332,6 @@ EXTRA_DIST = init.sh run.sh match.awk \
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caps.awk \
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dumpio.expected \
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eventfd.expected \
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execve.expected \
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execve-v.expected \
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execveat.expected \
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execveat-v.expected \
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fanotify_mark.expected \
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filter-unavailable.expected \
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fstatat.c \
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3
tests/execve-v.c
Normal file
3
tests/execve-v.c
Normal file
@ -0,0 +1,3 @@
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/* This file is part of execve-v strace test. */
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#define VERBOSE_EXECVE
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#include "execve.c"
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@ -1 +0,0 @@
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execve\("execve\\nfilename", \["execve\\nfilename", "first", "second"\], \["foobar=1", "foo\\nbar=2"\]\) += -1 ENOENT .*
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18
tests/execve-v.test
Executable file
18
tests/execve-v.test
Executable file
@ -0,0 +1,18 @@
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#!/bin/sh
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# Check verbose decoding of execve syscall.
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. "${srcdir=.}/init.sh"
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check_prog grep
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run_prog > /dev/null
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OUT="$LOG.out"
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EXP="$LOG.exp"
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run_strace -veexecve $args > "$EXP"
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# Filter out execve() call made by strace.
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grep -F test.execve < "$LOG" > "$OUT"
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match_diff "$OUT" "$EXP"
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rm -f "$EXP" "$OUT"
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149
tests/execve.c
149
tests/execve.c
@ -1,5 +1,7 @@
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/*
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* Copyright (c) 2015 Dmitry V. Levin <ldv@altlinux.org>
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* This file is part of execve strace test.
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*
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* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
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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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@ -25,17 +27,150 @@
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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 <errno.h>
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#include <stdio.h>
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#include <unistd.h>
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#define FILENAME "execve\nfilename"
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static const char * const argv[] =
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{ FILENAME, "first", "second", NULL, NULL, NULL };
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static const char * const envp[] =
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{ "foobar=1", "foo\nbar=2", NULL , "", NULL , "", NULL, NULL};
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#define FILENAME "test.execve\nfilename"
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#define Q_FILENAME "test.execve\\nfilename"
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static const char * const argv[] = {
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FILENAME, "first", "second", (const char *) -1L,
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(const char *) -2L, (const char *) -3L
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};
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static const char * const q_argv[] = {
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Q_FILENAME, "first", "second"
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};
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static const char * const envp[] = {
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"foobar=1", "foo\nbar=2", (const char *) -1L,
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(const char *) -2L, (const char *) -3L
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};
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static const char * const q_envp[] = {
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"foobar=1", "foo\\nbar=2"
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};
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int
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main(void)
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{
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execve(FILENAME, (char * const *) argv, (char * const *) envp);
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char ** const tail_argv = tail_memdup(argv, sizeof(argv));
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char ** const tail_envp = tail_memdup(envp, sizeof(envp));
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execve(FILENAME, tail_argv, tail_envp);
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printf("execve(\"%s\""
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", [\"%s\", \"%s\", \"%s\", %p, %p, %p, ???]"
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#ifdef VERBOSE_EXECVE
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", [\"%s\", \"%s\", %p, %p, %p, ???]"
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#else
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", [/* 5 vars, unterminated */]"
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#endif
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") = -1 %s (%m)\n",
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Q_FILENAME, q_argv[0], q_argv[1], q_argv[2],
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argv[3], argv[4], argv[5],
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#ifdef VERBOSE_EXECVE
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q_envp[0], q_envp[1], envp[2], envp[3], envp[4],
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#endif
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errno == ENOSYS ? "ENOSYS" : "ENOENT");
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tail_argv[ARRAY_SIZE(q_argv)] = NULL;
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tail_envp[ARRAY_SIZE(q_envp)] = NULL;
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execve(FILENAME, tail_argv, tail_envp);
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printf("execve(\"%s\", [\"%s\", \"%s\", \"%s\"]"
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#ifdef VERBOSE_EXECVE
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", [\"%s\", \"%s\"]"
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#else
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", [/* 2 vars */]"
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#endif
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") = -1 %s (%m)\n",
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Q_FILENAME, q_argv[0], q_argv[1], q_argv[2],
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#ifdef VERBOSE_EXECVE
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q_envp[0], q_envp[1],
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#endif
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errno == ENOSYS ? "ENOSYS" : "ENOENT");
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execve(FILENAME, tail_argv + 2, tail_envp + 1);
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printf("execve(\"%s\", [\"%s\"]"
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#ifdef VERBOSE_EXECVE
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", [\"%s\"]"
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#else
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", [/* 1 var */]"
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#endif
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") = -1 %s (%m)\n",
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Q_FILENAME, q_argv[2],
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#ifdef VERBOSE_EXECVE
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q_envp[1],
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#endif
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errno == ENOSYS ? "ENOSYS" : "ENOENT");
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char **const empty = tail_alloc(sizeof(*empty));
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*empty = NULL;
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execve(FILENAME, empty, empty);
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printf("execve(\"%s\", []"
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#ifdef VERBOSE_EXECVE
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", []"
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#else
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", [/* 0 vars */]"
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#endif
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") = -1 %s (%m)\n",
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Q_FILENAME, errno == ENOSYS ? "ENOSYS" : "ENOENT");
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char str_a[] = "012345678901234567890123456789012";
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char str_b[] = "_abcdefghijklmnopqrstuvwxyz()[]{}";
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#define DEFAULT_STRLEN ((unsigned int) sizeof(str_a) - 2)
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char **const a = tail_alloc(sizeof(*a) * (DEFAULT_STRLEN + 2));
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char **const b = tail_alloc(sizeof(*b) * (DEFAULT_STRLEN + 2));
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unsigned int i;
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for (i = 0; i <= DEFAULT_STRLEN; ++i) {
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a[i] = &str_a[i];
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b[i] = &str_b[i];
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}
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a[i] = b[i] = NULL;
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execve(FILENAME, a, b);
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printf("execve(\"%s\", [\"%.*s\"...", Q_FILENAME, DEFAULT_STRLEN, a[0]);
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for (i = 1; i < DEFAULT_STRLEN; ++i)
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printf(", \"%s\"", a[i]);
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#ifdef VERBOSE_EXECVE
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printf(", \"%s\"", a[i]);
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#else
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printf(", ...");
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#endif
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#ifdef VERBOSE_EXECVE
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printf("], [\"%.*s\"...", DEFAULT_STRLEN, b[0]);
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for (i = 1; i <= DEFAULT_STRLEN; ++i)
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printf(", \"%s\"", b[i]);
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#else
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printf("], [/* %u vars */", DEFAULT_STRLEN + 1);
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#endif
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printf("]) = -1 %s (%m)\n", errno == ENOSYS ? "ENOSYS" : "ENOENT");
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execve(FILENAME, a + 1, b + 1);
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printf("execve(\"%s\", [\"%s\"", Q_FILENAME, a[1]);
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for (i = 2; i <= DEFAULT_STRLEN; ++i)
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printf(", \"%s\"", a[i]);
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#ifdef VERBOSE_EXECVE
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printf("], [\"%s\"", b[1]);
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for (i = 2; i <= DEFAULT_STRLEN; ++i)
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printf(", \"%s\"", b[i]);
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#else
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printf("], [/* %d vars */", DEFAULT_STRLEN);
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#endif
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printf("]) = -1 %s (%m)\n", errno == ENOSYS ? "ENOSYS" : "ENOENT");
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const void * const efault = tail_alloc(0);
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execve(FILENAME, (char **) tail_argv[ARRAY_SIZE(q_argv)], efault);
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printf("execve(\"%s\", NULL, %p"
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") = -1 %s (%m)\n",
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Q_FILENAME, efault, errno == ENOSYS ? "ENOSYS" : "ENOENT");
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execve(FILENAME, efault, NULL);
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printf("execve(\"%s\", %p, NULL"
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") = -1 %s (%m)\n",
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Q_FILENAME, efault, errno == ENOSYS ? "ENOSYS" : "ENOENT");
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return 0;
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}
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@ -1 +0,0 @@
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execve\("execve\\nfilename", \["execve\\nfilename", "first", "second"\], \[/\* 2 vars \*/\]\) += -1 ENOENT .*
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@ -4,10 +4,15 @@
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. "${srcdir=.}/init.sh"
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run_prog
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run_strace $args
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match_grep
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run_strace -v $args
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match_grep "$LOG" "$srcdir/${ME_%.test}-v.expected"
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check_prog grep
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run_prog > /dev/null
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exit 0
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OUT="$LOG.out"
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EXP="$LOG.exp"
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run_strace -eexecve $args > "$EXP"
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# Filter out execve() call made by strace.
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grep -F test.execve < "$LOG" > "$OUT"
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match_diff "$OUT" "$EXP"
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rm -f "$EXP" "$OUT"
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3
tests/execveat-v.c
Normal file
3
tests/execveat-v.c
Normal file
@ -0,0 +1,3 @@
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/* This file is part of execveat-v strace test. */
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#define VERBOSE_EXECVEAT
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#include "execveat.c"
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@ -1 +0,0 @@
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execveat\(AT_FDCWD, "execveat\\nfilename", \["execveat\\nfilename", "first", "second"\], \["foobar=1", "foo\\nbar=2"\], AT_SYMLINK_NOFOLLOW\|AT_EMPTY_PATH\) += -1 .*
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11
tests/execveat-v.test
Executable file
11
tests/execveat-v.test
Executable file
@ -0,0 +1,11 @@
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#!/bin/sh
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# Check verbose decoding of execveat syscall.
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. "${srcdir=.}/init.sh"
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run_prog > /dev/null
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OUT="$LOG.out"
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run_strace -veexecveat $args > "$OUT"
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match_diff "$LOG" "$OUT"
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rm -f "$OUT"
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149
tests/execveat.c
149
tests/execveat.c
@ -1,4 +1,6 @@
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/*
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* This file is part of execveat strace test.
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*
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* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
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* All rights reserved.
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*
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@ -26,21 +28,156 @@
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*/
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#include "tests.h"
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#include <errno.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <sys/syscall.h>
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#ifdef __NR_execveat
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#define FILENAME "execveat\nfilename"
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static const char * const argv[] =
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{ FILENAME, "first", "second", NULL, NULL, NULL };
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static const char * const envp[] =
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{ "foobar=1", "foo\nbar=2", NULL , "", NULL , "", NULL, NULL};
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# define FILENAME "test.execveat\nfilename"
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# define Q_FILENAME "test.execveat\\nfilename"
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static const char * const argv[] = {
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FILENAME, "first", "second", (const char *) -1L,
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(const char *) -2L, (const char *) -3L
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};
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static const char * const q_argv[] = {
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Q_FILENAME, "first", "second"
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};
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static const char * const envp[] = {
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"foobar=1", "foo\nbar=2", (const char *) -1L,
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(const char *) -2L, (const char *) -3L
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};
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static const char * const q_envp[] = {
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"foobar=1", "foo\\nbar=2"
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};
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int
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main(void)
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{
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syscall(__NR_execveat, -100, FILENAME, argv, envp, 0x1100);
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const char ** const tail_argv = tail_memdup(argv, sizeof(argv));
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const char ** const tail_envp = tail_memdup(envp, sizeof(envp));
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syscall(__NR_execveat, -100, FILENAME, tail_argv, tail_envp, 0x1100);
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printf("execveat(AT_FDCWD, \"%s\""
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", [\"%s\", \"%s\", \"%s\", %p, %p, %p, ???]"
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#ifdef VERBOSE_EXECVEAT
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", [\"%s\", \"%s\", %p, %p, %p, ???]"
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#else
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", [/* 5 vars, unterminated */]"
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#endif
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", AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m)\n",
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Q_FILENAME, q_argv[0], q_argv[1], q_argv[2],
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argv[3], argv[4], argv[5],
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#ifdef VERBOSE_EXECVEAT
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q_envp[0], q_envp[1], envp[2], envp[3], envp[4],
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#endif
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errno == ENOSYS ? "ENOSYS" : "ENOENT");
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tail_argv[ARRAY_SIZE(q_argv)] = NULL;
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tail_envp[ARRAY_SIZE(q_envp)] = NULL;
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syscall(__NR_execveat, -100, FILENAME, tail_argv, tail_envp, 0x1100);
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printf("execveat(AT_FDCWD, \"%s\", [\"%s\", \"%s\", \"%s\"]"
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#ifdef VERBOSE_EXECVEAT
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", [\"%s\", \"%s\"]"
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#else
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", [/* 2 vars */]"
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#endif
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", AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m)\n",
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Q_FILENAME, q_argv[0], q_argv[1], q_argv[2],
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#ifdef VERBOSE_EXECVEAT
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q_envp[0], q_envp[1],
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#endif
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errno == ENOSYS ? "ENOSYS" : "ENOENT");
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syscall(__NR_execveat, -100, FILENAME, tail_argv + 2, tail_envp + 1, 0x1100);
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printf("execveat(AT_FDCWD, \"%s\", [\"%s\"]"
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#ifdef VERBOSE_EXECVEAT
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", [\"%s\"]"
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#else
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", [/* 1 var */]"
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#endif
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", AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m)\n",
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Q_FILENAME, q_argv[2],
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#ifdef VERBOSE_EXECVEAT
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q_envp[1],
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#endif
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errno == ENOSYS ? "ENOSYS" : "ENOENT");
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const char **const empty = tail_alloc(sizeof(*empty));
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*empty = NULL;
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syscall(__NR_execveat, -100, FILENAME, empty, empty, 0x1100);
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printf("execveat(AT_FDCWD, \"%s\", []"
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#ifdef VERBOSE_EXECVEAT
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", []"
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#else
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", [/* 0 vars */]"
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#endif
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", AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m)\n",
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Q_FILENAME, errno == ENOSYS ? "ENOSYS" : "ENOENT");
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char str_a[] = "012345678901234567890123456789012";
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char str_b[] = "_abcdefghijklmnopqrstuvwxyz()[]{}";
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#define DEFAULT_STRLEN ((unsigned int) sizeof(str_a) - 2)
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char **const a = tail_alloc(sizeof(*a) * (DEFAULT_STRLEN + 2));
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char **const b = tail_alloc(sizeof(*b) * (DEFAULT_STRLEN + 2));
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unsigned int i;
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for (i = 0; i <= DEFAULT_STRLEN; ++i) {
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a[i] = &str_a[i];
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b[i] = &str_b[i];
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}
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a[i] = b[i] = NULL;
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syscall(__NR_execveat, -100, FILENAME, a, b, 0x1100);
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printf("execveat(AT_FDCWD, \"%s\", [\"%.*s\"...", Q_FILENAME, DEFAULT_STRLEN, a[0]);
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for (i = 1; i < DEFAULT_STRLEN; ++i)
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printf(", \"%s\"", a[i]);
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#ifdef VERBOSE_EXECVEAT
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printf(", \"%s\"", a[i]);
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#else
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printf(", ...");
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#endif
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#ifdef VERBOSE_EXECVEAT
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printf("], [\"%.*s\"...", DEFAULT_STRLEN, b[0]);
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||||
for (i = 1; i <= DEFAULT_STRLEN; ++i)
|
||||
printf(", \"%s\"", b[i]);
|
||||
#else
|
||||
printf("], [/* %u vars */", DEFAULT_STRLEN + 1);
|
||||
#endif
|
||||
printf("], AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m)\n",
|
||||
errno == ENOSYS ? "ENOSYS" : "ENOENT");
|
||||
|
||||
syscall(__NR_execveat, -100, FILENAME, a + 1, b + 1, 0x1100);
|
||||
printf("execveat(AT_FDCWD, \"%s\", [\"%s\"", Q_FILENAME, a[1]);
|
||||
for (i = 2; i <= DEFAULT_STRLEN; ++i)
|
||||
printf(", \"%s\"", a[i]);
|
||||
#ifdef VERBOSE_EXECVEAT
|
||||
printf("], [\"%s\"", b[1]);
|
||||
for (i = 2; i <= DEFAULT_STRLEN; ++i)
|
||||
printf(", \"%s\"", b[i]);
|
||||
#else
|
||||
printf("], [/* %d vars */", DEFAULT_STRLEN);
|
||||
#endif
|
||||
printf("], AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m)\n",
|
||||
errno == ENOSYS ? "ENOSYS" : "ENOENT");
|
||||
|
||||
const void * const efault = tail_alloc(0);
|
||||
|
||||
syscall(__NR_execveat, -100, FILENAME, NULL, efault, 0x1100);
|
||||
printf("execveat(AT_FDCWD, \"%s\", NULL, %p"
|
||||
", AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m)\n",
|
||||
Q_FILENAME, efault, errno == ENOSYS ? "ENOSYS" : "ENOENT");
|
||||
|
||||
syscall(__NR_execveat, -100, FILENAME, efault, NULL, 0x1100);
|
||||
printf("execveat(AT_FDCWD, \"%s\", %p, NULL"
|
||||
", AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m)\n",
|
||||
Q_FILENAME, efault, errno == ENOSYS ? "ENOSYS" : "ENOENT");
|
||||
|
||||
puts("+++ exited with 0 +++");
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
@ -1 +0,0 @@
|
||||
execveat\(AT_FDCWD, "execveat\\nfilename", \["execveat\\nfilename", "first", "second"\], \[/\* 2 vars \*/\], AT_SYMLINK_NOFOLLOW\|AT_EMPTY_PATH\) += -1 .*
|
||||
@ -4,10 +4,8 @@
|
||||
|
||||
. "${srcdir=.}/init.sh"
|
||||
|
||||
run_prog
|
||||
run_strace $args
|
||||
match_grep
|
||||
run_strace -v $args
|
||||
match_grep "$LOG" "$srcdir/${ME_%.test}-v.expected"
|
||||
|
||||
exit 0
|
||||
run_prog > /dev/null
|
||||
OUT="$LOG.out"
|
||||
run_strace -eexecveat $args > "$OUT"
|
||||
match_diff "$LOG" "$OUT"
|
||||
rm -f "$OUT"
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user