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2023-12-08 01573e231f18eb2d99162747186f59511f56b64d

 kernel/kernel/time/ntp.c
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@@ -17,7 +17,7 @@
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 #include <linux/mm.h>
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 #include <linux/module.h>
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 #include <linux/rtc.h>
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-#include <linux/math64.h>
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+#include <linux/audit.h>
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 #include "ntp_internal.h"
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 #include "timekeeping_internal.h"
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@@ -190,13 +190,13 @@
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 			&& (status & (STA_PPSWANDER|STA_PPSERROR)));
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 }
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-static inline void pps_fill_timex(struct timex *txc)
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+static inline void pps_fill_timex(struct __kernel_timex *txc)
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 {
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 	txc->ppsfreq	   = shift_right((pps_freq >> PPM_SCALE_INV_SHIFT) *
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 					 PPM_SCALE_INV, NTP_SCALE_SHIFT);
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 	txc->jitter	   = pps_jitter;
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 	if (!(time_status & STA_NANO))
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-		txc->jitter /= NSEC_PER_USEC;
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+		txc->jitter = pps_jitter / NSEC_PER_USEC;
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 	txc->shift	   = pps_shift;
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 	txc->stabil	   = pps_stabil;
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 	txc->jitcnt	   = pps_jitcnt;
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@@ -222,7 +222,7 @@
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 	return status & (STA_UNSYNC|STA_CLOCKERR);
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 }
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-static inline void pps_fill_timex(struct timex *txc)
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+static inline void pps_fill_timex(struct __kernel_timex *txc)
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 {
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 	/* PPS is not implemented, so these are zero */
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 	txc->ppsfreq	   = 0;
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@@ -556,17 +556,9 @@
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 }
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 #ifdef CONFIG_GENERIC_CMOS_UPDATE
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-int __weak update_persistent_clock(struct timespec now)
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-{
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-	return -ENODEV;
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-}
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-
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 int __weak update_persistent_clock64(struct timespec64 now64)
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 {
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-	struct timespec now;
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-
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-	now = timespec64_to_timespec(now64);
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-	return update_persistent_clock(now);
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+	return -ENODEV;
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 }
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 #endif
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@@ -643,7 +635,7 @@
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 /*
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  * Propagate a new txc->status value into the NTP state:
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  */
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-static inline void process_adj_status(const struct timex *txc)
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+static inline void process_adj_status(const struct __kernel_timex *txc)
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 {
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 	if ((time_status & STA_PLL) && !(txc->status & STA_PLL)) {
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 		time_state = TIME_OK;
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@@ -666,7 +658,8 @@
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 }
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-static inline void process_adjtimex_modes(const struct timex *txc, s32 *time_tai)
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+static inline void process_adjtimex_modes(const struct __kernel_timex *txc,
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+					  s32 *time_tai)
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 {
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 	if (txc->modes & ADJ_STATUS)
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 		process_adj_status(txc);
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@@ -718,7 +711,8 @@
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  * adjtimex mainly allows reading (and writing, if superuser) of
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  * kernel time-keeping variables. used by xntpd.
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  */
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-int __do_adjtimex(struct timex *txc, const struct timespec64 *ts, s32 *time_tai)
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+int __do_adjtimex(struct __kernel_timex *txc, const struct timespec64 *ts,
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+		  s32 *time_tai, struct audit_ntp_data *ad)
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 {
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 	int result;
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@@ -729,18 +723,33 @@
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 			/* adjtime() is independent from ntp_adjtime() */
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 			time_adjust = txc->offset;
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 			ntp_update_frequency();
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+
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+			audit_ntp_set_old(ad, AUDIT_NTP_ADJUST,	save_adjust);
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+			audit_ntp_set_new(ad, AUDIT_NTP_ADJUST,	time_adjust);
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 		}
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 		txc->offset = save_adjust;
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 	} else {
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-
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 		/* If there are input parameters, then process them: */
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-		if (txc->modes)
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+		if (txc->modes) {
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+			audit_ntp_set_old(ad, AUDIT_NTP_OFFSET,	time_offset);
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+			audit_ntp_set_old(ad, AUDIT_NTP_FREQ,	time_freq);
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+			audit_ntp_set_old(ad, AUDIT_NTP_STATUS,	time_status);
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+			audit_ntp_set_old(ad, AUDIT_NTP_TAI,	*time_tai);
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+			audit_ntp_set_old(ad, AUDIT_NTP_TICK,	tick_usec);
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+
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 			process_adjtimex_modes(txc, time_tai);
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+
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+			audit_ntp_set_new(ad, AUDIT_NTP_OFFSET,	time_offset);
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+			audit_ntp_set_new(ad, AUDIT_NTP_FREQ,	time_freq);
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+			audit_ntp_set_new(ad, AUDIT_NTP_STATUS,	time_status);
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+			audit_ntp_set_new(ad, AUDIT_NTP_TAI,	*time_tai);
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+			audit_ntp_set_new(ad, AUDIT_NTP_TICK,	tick_usec);
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+		}
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 		txc->offset = shift_right(time_offset * NTP_INTERVAL_FREQ,
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 				  NTP_SCALE_SHIFT);
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 		if (!(time_status & STA_NANO))
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-			txc->offset /= NSEC_PER_USEC;
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+			txc->offset = (u32)txc->offset / NSEC_PER_USEC;
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 	}
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 	result = time_state;	/* mostly `TIME_OK' */
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@@ -762,10 +771,10 @@
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 	/* fill PPS status fields */
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 	pps_fill_timex(txc);
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-	txc->time.tv_sec = (time_t)ts->tv_sec;
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+	txc->time.tv_sec = ts->tv_sec;
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 	txc->time.tv_usec = ts->tv_nsec;
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 	if (!(time_status & STA_NANO))
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-		txc->time.tv_usec /= NSEC_PER_USEC;
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+		txc->time.tv_usec = ts->tv_nsec / NSEC_PER_USEC;
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 	/* Handle leapsec adjustments */
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 	if (unlikely(ts->tv_sec >= ntp_next_leap_sec)) {