From: Arnd Bergmann arnd@arndb.de
commit 2f5841349df281ecf8f81cc82d869b8476f0db0b upstream.
A cast to 'time_t' was accidentally left in place during the conversion of __do_adjtimex() to 64-bit timestamps, so the resulting value is incorrectly truncated.
Remove the cast so the 64-bit time gets propagated correctly.
Fixes: ead25417f82e ("timex: use __kernel_timex internally") Signed-off-by: Arnd Bergmann arnd@arndb.de Signed-off-by: Thomas Gleixner tglx@linutronix.de Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/20191108203435.112759-2-arnd@arndb.de Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- kernel/time/ntp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/kernel/time/ntp.c +++ b/kernel/time/ntp.c @@ -771,7 +771,7 @@ int __do_adjtimex(struct __kernel_timex /* fill PPS status fields */ pps_fill_timex(txc);
- txc->time.tv_sec = (time_t)ts->tv_sec; + txc->time.tv_sec = ts->tv_sec; txc->time.tv_usec = ts->tv_nsec; if (!(time_status & STA_NANO)) txc->time.tv_usec = ts->tv_nsec / NSEC_PER_USEC;