mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-18 00:41:06 +00:00
5f40e4b1ba
The time argument is NULL in this case, and attempt to convert it
leads to a null pointer dereference.
This fixes commit d2e3b697da
("y2038: linux: Provide __settimeofday64 implementation").
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
59 lines
1.8 KiB
C
59 lines
1.8 KiB
C
/* settimeofday -- set system time - Linux version supporting 64 bit time.
|
|
Copyright (C) 2020 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#include <errno.h>
|
|
#include <time.h>
|
|
#include <sys/time.h>
|
|
|
|
/* Set the current time of day and timezone information.
|
|
This call is restricted to the super-user. */
|
|
int
|
|
__settimeofday64 (const struct __timeval64 *tv, const struct timezone *tz)
|
|
{
|
|
/* Backwards compatibility for setting the UTC offset. */
|
|
if (__glibc_unlikely (tz != 0))
|
|
{
|
|
if (tv != 0)
|
|
{
|
|
__set_errno (EINVAL);
|
|
return -1;
|
|
}
|
|
return __settimezone (tz);
|
|
}
|
|
|
|
struct __timespec64 ts = timeval64_to_timespec64 (*tv);
|
|
return __clock_settime64 (CLOCK_REALTIME, &ts);
|
|
}
|
|
|
|
#if __TIMESIZE != 64
|
|
libc_hidden_def (__settimeofday64)
|
|
|
|
int
|
|
__settimeofday (const struct timeval *tv, const struct timezone *tz)
|
|
{
|
|
if (__glibc_unlikely (tv == NULL))
|
|
return __settimeofday64 (NULL, tz);
|
|
else
|
|
{
|
|
struct __timeval64 tv64 = valid_timeval_to_timeval64 (*tv);
|
|
return __settimeofday64 (&tv64, tz);
|
|
}
|
|
}
|
|
#endif
|
|
weak_alias (__settimeofday, settimeofday);
|