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tests: extend coverage of adjtimex syscall

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* tests/adjtimex.c (main): Check decoding of NULL struct timex pointer.
Check decoding of struct timex located at the end of page boundary.
* tests/adjtimex.test: Update.
This commit is contained in:
Дмитрий Левин
2016-02-06 00:56:15 +00:00
parent a88c72ef66
commit 7fce7c0332
2 changed files with 30 additions and 23 deletions
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51
tests/adjtimex.c
View File

@ -1,4 +1,6 @@
/*
* This file is part of adjtimex strace test.
*
* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
* All rights reserved.
*
@ -28,14 +30,19 @@
#include "tests.h"
#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <sys/timex.h>
int
main(void)
{
struct timex tx = {};
int state = adjtimex(&tx);
adjtimex(NULL);
printf("adjtimex\\(NULL\\) = -1 EFAULT \\(%m\\)\n");
struct timex * const tx = tail_alloc(sizeof(*tx));
memset(tx, 0, sizeof(*tx));
int state = adjtimex(tx);
if (state < 0)
perror_msg_and_skip("adjtimex");
@ -48,27 +55,27 @@ main(void)
", tai=%d"
#endif
"\\}\\) = %d \\(TIME_[A-Z]+\\)\n",
(intmax_t) tx.offset,
(intmax_t) tx.freq,
(intmax_t) tx.maxerror,
(intmax_t) tx.esterror,
tx.status ? "STA_[A-Z]+(\\|STA_[A-Z]+)*" : "0",
(intmax_t) tx.constant,
(intmax_t) tx.precision,
(intmax_t) tx.tolerance,
(intmax_t) tx.time.tv_sec,
(intmax_t) tx.time.tv_usec,
(intmax_t) tx.tick,
(intmax_t) tx.ppsfreq,
(intmax_t) tx.jitter,
tx.shift,
(intmax_t) tx.stabil,
(intmax_t) tx.jitcnt,
(intmax_t) tx.calcnt,
(intmax_t) tx.errcnt,
(intmax_t) tx.stbcnt,
(intmax_t) tx->offset,
(intmax_t) tx->freq,
(intmax_t) tx->maxerror,
(intmax_t) tx->esterror,
tx->status ? "STA_[A-Z]+(\\|STA_[A-Z]+)*" : "0",
(intmax_t) tx->constant,
(intmax_t) tx->precision,
(intmax_t) tx->tolerance,
(intmax_t) tx->time.tv_sec,
(intmax_t) tx->time.tv_usec,
(intmax_t) tx->tick,
(intmax_t) tx->ppsfreq,
(intmax_t) tx->jitter,
tx->shift,
(intmax_t) tx->stabil,
(intmax_t) tx->jitcnt,
(intmax_t) tx->calcnt,
(intmax_t) tx->errcnt,
(intmax_t) tx->stbcnt,
#ifdef HAVE_STRUCT_TIMEX_TAI
tx.tai,
tx->tai,
#endif
state);

2
tests/adjtimex.test
View File

@ -6,7 +6,7 @@
run_prog > /dev/null
OUT="$LOG.out"
run_strace -e adjtimex $args > "$OUT"
run_strace -a 15 -e adjtimex $args > "$OUT"
match_grep "$LOG" "$OUT"
rm -f "$OUT"