Attachment 28642 Details for Bug 65112

[patch] ia64-unwind-user.patch

ia64-unwind-user.patch (text/plain), 969 bytes, created by Marcus Meissner on 2005-02-21 13:27:31 UTC

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Creator: Marcus Meissner

Created: 2005-02-21 13:27:31 UTC

Size: 969 bytes

patch

obsolete

># This is a BitKeeper generated diff -Nru style patch.
>#
># ChangeSet
>#   2005/01/22 12:59:23-08:00 kaos@sgi.com 
>#   [IA64] Sanity check unw_unwind_to_user
>#   
>#   Signed-off-by: Keith Owens <kaos@sgi.com>
>#   Signed-off-by: Tony Luck <tony.luck@intel.com>
># 
># arch/ia64/kernel/unwind.c
>#   2005/01/22 12:57:36-08:00 kaos@sgi.com +4 -1
>#   Sanity check unw_unwind_to_user
># 
>diff -Nru a/arch/ia64/kernel/unwind.c b/arch/ia64/kernel/unwind.c
>--- a/arch/ia64/kernel/unwind.c	2005-02-21 05:23:13 -08:00
>+++ b/arch/ia64/kernel/unwind.c	2005-02-21 05:23:13 -08:00
>@@ -1945,7 +1945,7 @@
> int
> unw_unwind_to_user (struct unw_frame_info *info)
> {
>-	unsigned long ip;
>+	unsigned long ip, sp;
> 
> 	while (unw_unwind(info) >= 0) {
> 		if (unw_get_rp(info, &ip) < 0) {
>@@ -1954,6 +1954,9 @@
> 				   __FUNCTION__, ip);
> 			return -1;
> 		}
>+		unw_get_sp(info, &sp);
>+		if (sp >= (unsigned long)info->task + IA64_STK_OFFSET)
>+			break;
> 		if (ip < FIXADDR_USER_END)
> 			return 0;
> 	}

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Attachments on bug 65112: 28642