rtc vulnerability fix

1 files changed, 180 insertions, 0 deletions

diff --git a/sys-kernel/hardened-sources/files/rtc_fix.patch b/sys-kernel/hardened-sources/files/rtc_fix.patch
new file mode 100644
index 000000000000..76a663c6e89d
--- /dev/null
+++ b/sys-kernel/hardened-sources/files/rtc_fix.patch
@@ -0,0 +1,180 @@
+diff -urN linux-2.4.23/arch/cris/drivers/ds1302.c linux-2.4.24/arch/cris/drivers/ds1302.c
+--- linux-2.4.23/arch/cris/drivers/ds1302.c	2003-08-25 04:44:39.000000000 -0700
++++ linux-2.4.24/arch/cris/drivers/ds1302.c	2004-01-05 05:53:56.000000000 -0800
+@@ -346,6 +346,7 @@
+ 		{
+ 			struct rtc_time rtc_tm;
+ 						
++			memset(&rtc_tm, 0, sizeof (struct rtc_time));
+ 			get_rtc_time(&rtc_tm);						
+ 			if (copy_to_user((struct rtc_time*)arg, &rtc_tm, sizeof(struct rtc_time)))
+ 				return -EFAULT;	
+diff -urN linux-2.4.23/arch/cris/drivers/pcf8563.c linux-2.4.24/arch/cris/drivers/pcf8563.c
+--- linux-2.4.23/arch/cris/drivers/pcf8563.c	2003-08-25 04:44:39.000000000 -0700
++++ linux-2.4.24/arch/cris/drivers/pcf8563.c	2004-01-05 05:53:56.000000000 -0800
+@@ -220,6 +220,7 @@
+ 		{
+ 			struct rtc_time tm;
+ 
++			memset(&tm, 0, sizeof (struct rtc_time));
+ 			get_rtc_time(&tm);
+ 
+ 			if (copy_to_user((struct rtc_time *) arg, &tm, sizeof tm)) {
+diff -urN linux-2.4.23/arch/m68k/bvme6000/rtc.c linux-2.4.24/arch/m68k/bvme6000/rtc.c
+--- linux-2.4.23/arch/m68k/bvme6000/rtc.c	2003-06-13 07:51:31.000000000 -0700
++++ linux-2.4.24/arch/m68k/bvme6000/rtc.c	2004-01-05 05:53:56.000000000 -0800
+@@ -54,6 +54,7 @@
+ 		/* Ensure clock and real-time-mode-register are accessible */
+ 		msr = rtc->msr & 0xc0;
+ 		rtc->msr = 0x40;
++		memset(&wtime, 0, sizeof(struct rtc_time));
+ 		do {
+ 			wtime.tm_sec =  BCD2BIN(rtc->bcd_sec);
+ 			wtime.tm_min =  BCD2BIN(rtc->bcd_min);
+diff -urN linux-2.4.23/arch/m68k/mvme16x/rtc.c linux-2.4.24/arch/m68k/mvme16x/rtc.c
+--- linux-2.4.23/arch/m68k/mvme16x/rtc.c	2003-06-13 07:51:31.000000000 -0700
++++ linux-2.4.24/arch/m68k/mvme16x/rtc.c	2004-01-05 05:53:56.000000000 -0800
+@@ -52,6 +52,7 @@
+ 		cli();
+ 		/* Ensure clock and real-time-mode-register are accessible */
+ 		rtc->ctrl = RTC_READ;
++		memset(&wtime, 0, sizeof(struct rtc_time));
+ 		wtime.tm_sec =  BCD2BIN(rtc->bcd_sec);
+ 		wtime.tm_min =  BCD2BIN(rtc->bcd_min);
+ 		wtime.tm_hour = BCD2BIN(rtc->bcd_hr);
+diff -urN linux-2.4.23/arch/ppc64/kernel/rtc.c linux-2.4.24/arch/ppc64/kernel/rtc.c
+--- linux-2.4.23/arch/ppc64/kernel/rtc.c	2003-06-13 07:51:32.000000000 -0700
++++ linux-2.4.24/arch/ppc64/kernel/rtc.c	2004-01-05 05:53:56.000000000 -0800
+@@ -96,6 +96,7 @@
+ 	switch (cmd) {
+ 	case RTC_RD_TIME:	/* Read the time/date from RTC	*/
+ 	{
++		memset(&wtime, 0, sizeof(struct rtc_time));
+ 		ppc_md.get_rtc_time(&wtime);
+ 		break;
+ 	}
+diff -urN linux-2.4.23/drivers/acorn/char/i2c.c linux-2.4.24/drivers/acorn/char/i2c.c
+--- linux-2.4.23/drivers/acorn/char/i2c.c	2003-08-25 04:44:40.000000000 -0700
++++ linux-2.4.24/drivers/acorn/char/i2c.c	2004-01-05 05:53:56.000000000 -0800
+@@ -166,6 +166,7 @@
+ 		break;
+ 
+ 	case RTC_RD_TIME:
++		memset(&rtctm, 0, sizeof(struct rtc_time));
+ 		get_rtc_time(&rtc_raw, &year);
+ 		rtctm.tm_sec  = rtc_raw.secs;
+ 		rtctm.tm_min  = rtc_raw.mins;
+diff -urN linux-2.4.23/drivers/char/ds1286.c linux-2.4.24/drivers/char/ds1286.c
+--- linux-2.4.23/drivers/char/ds1286.c	2003-08-25 04:44:41.000000000 -0700
++++ linux-2.4.24/drivers/char/ds1286.c	2004-01-05 05:53:56.000000000 -0800
+@@ -173,7 +173,7 @@
+ 		 * means "don't care" or "match all". Only the tm_hour,
+ 		 * tm_min, and tm_sec values are filled in.
+ 		 */
+-
++		memset(&wtime, 0, sizeof(struct rtc_time));
+ 		ds1286_get_alm_time(&wtime);
+ 		break;
+ 	}
+@@ -216,6 +216,7 @@
+ 	}
+ 	case RTC_RD_TIME:	/* Read the time/date from RTC	*/
+ 	{
++		memset(&wtime, 0, sizeof(struct rtc_time));
+ 		ds1286_get_time(&wtime);
+ 		break;
+ 	}
+diff -urN linux-2.4.23/drivers/char/efirtc.c linux-2.4.24/drivers/char/efirtc.c
+--- linux-2.4.23/drivers/char/efirtc.c	2003-06-13 07:51:32.000000000 -0700
++++ linux-2.4.24/drivers/char/efirtc.c	2004-01-05 05:53:56.000000000 -0800
+@@ -118,6 +118,7 @@
+ static void
+ convert_from_efi_time(efi_time_t *eft, struct rtc_time *wtime)
+ {
++	memset(wtime, 0, sizeof(struct rtc_time));
+ 	wtime->tm_sec  = eft->second;
+ 	wtime->tm_min  = eft->minute;
+ 	wtime->tm_hour = eft->hour;
+diff -urN linux-2.4.23/drivers/char/ip27-rtc.c linux-2.4.24/drivers/char/ip27-rtc.c
+--- linux-2.4.23/drivers/char/ip27-rtc.c	2003-08-25 04:44:41.000000000 -0700
++++ linux-2.4.24/drivers/char/ip27-rtc.c	2004-01-05 05:53:56.000000000 -0800
+@@ -83,6 +83,7 @@
+ 	switch (cmd) {
+ 	case RTC_RD_TIME:	/* Read the time/date from RTC	*/
+ 	{
++		memset(&wtime, 0, sizeof(struct rtc_time));
+ 		get_rtc_time(&wtime);
+ 		break;
+ 	}
+diff -urN linux-2.4.23/drivers/char/mips_rtc.c linux-2.4.24/drivers/char/mips_rtc.c
+--- linux-2.4.23/drivers/char/mips_rtc.c	2003-08-25 04:44:41.000000000 -0700
++++ linux-2.4.24/drivers/char/mips_rtc.c	2004-01-05 05:53:56.000000000 -0800
+@@ -82,6 +82,7 @@
+ 
+ 	switch (cmd) {
+ 	case RTC_RD_TIME:	/* Read the time/date from RTC  */
++		memset(&rtc_tm, 0, sizeof(struct rtc_time));
+ 		curr_time = rtc_get_time();
+ 		to_tm(curr_time, &rtc_tm);
+ 		rtc_tm.tm_year -= 1900;
+diff -urN linux-2.4.23/drivers/char/rtc.c linux-2.4.24/drivers/char/rtc.c
+--- linux-2.4.23/drivers/char/rtc.c	2003-11-28 10:26:20.000000000 -0800
++++ linux-2.4.24/drivers/char/rtc.c	2004-01-05 05:53:56.000000000 -0800
+@@ -362,7 +362,7 @@
+ 		 * means "don't care" or "match all". Only the tm_hour,
+ 		 * tm_min, and tm_sec values are filled in.
+ 		 */
+-
++		memset(&wtime, 0, sizeof(struct rtc_time));
+ 		get_rtc_alm_time(&wtime);
+ 		break; 
+ 	}
+@@ -406,6 +406,7 @@
+ 	}
+ 	case RTC_RD_TIME:	/* Read the time/date from RTC	*/
+ 	{
++		memset(&wtime, 0, sizeof(struct rtc_time));
+ 		get_rtc_time(&wtime);
+ 		break;
+ 	}
+diff -urN linux-2.4.23/drivers/hil/hp_sdc_rtc.c linux-2.4.24/drivers/hil/hp_sdc_rtc.c
+--- linux-2.4.23/drivers/hil/hp_sdc_rtc.c	2003-06-13 07:51:33.000000000 -0700
++++ linux-2.4.24/drivers/hil/hp_sdc_rtc.c	2004-01-05 05:53:56.000000000 -0800
+@@ -561,6 +561,7 @@
+         }
+         case RTC_ALM_READ:      /* Read the present alarm time */
+         {
++		memset(&ttime, 0, sizeof(struct timeval));
+ 		if (hp_sdc_rtc_read_mt(&ttime)) return -EFAULT;
+                 break;
+         }
+@@ -609,6 +610,7 @@
+         }
+         case RTC_RD_TIME:       /* Read the time/date from RTC  */
+         {
++		memset(&wtime, 0, sizeof(struct rtc_time));
+ 		if (hp_sdc_rtc_read_bbrtc(&wtime)) return -EFAULT;
+                 break;
+         }
+diff -urN linux-2.4.23/drivers/macintosh/rtc.c linux-2.4.24/drivers/macintosh/rtc.c
+--- linux-2.4.23/drivers/macintosh/rtc.c	2002-02-25 11:37:58.000000000 -0800
++++ linux-2.4.24/drivers/macintosh/rtc.c	2004-01-05 05:53:56.000000000 -0800
+@@ -64,6 +64,7 @@
+ 	case RTC_RD_TIME:
+ 		if (ppc_md.get_rtc_time)
+ 		{
++			memset(&rtc_tm, 0, sizeof(struct rtc_time));
+ 			get_rtc_time(&rtc_tm);
+ 
+ 			if (copy_to_user((struct rtc_time*)arg, &rtc_tm, sizeof(struct rtc_time)))
+diff -urN linux-2.4.23/drivers/sbus/char/rtc.c linux-2.4.24/drivers/sbus/char/rtc.c
+--- linux-2.4.23/drivers/sbus/char/rtc.c	2001-10-10 23:42:47.000000000 -0700
++++ linux-2.4.24/drivers/sbus/char/rtc.c	2004-01-05 05:53:56.000000000 -0800
+@@ -89,6 +89,7 @@
+ 	switch (cmd)
+ 	{
+ 	case RTCGET:
++		memset(&rtc_tm, 0, sizeof(struct rtc_time));
+ 		get_rtc_time(&rtc_tm);
+ 
+ 		if (copy_to_user((struct rtc_time*)arg, &rtc_tm, sizeof(struct rtc_time)))