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-rw-r--r--binutils/ChangeLog5
-rw-r--r--binutils/unwind-ia64.c4
2 files changed, 9 insertions, 0 deletions
diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index 23a8d8e..6915027 100644
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -1,3 +1,8 @@
+2021-02-07 Alan Modra <amodra@gmail.com>
+
+ * unwind-ia64.c (unw_print_xyreg): Don't leave output buffer
+ uninitialised on invalid input.
+
2021-02-06 Alan Modra <amodra@gmail.com>
PR 27349
diff --git a/binutils/unwind-ia64.c b/binutils/unwind-ia64.c
index 6eef917..fb22f3f 100644
--- a/binutils/unwind-ia64.c
+++ b/binutils/unwind-ia64.c
@@ -156,6 +156,10 @@ unw_print_xyreg (char *cp, unsigned int x, unsigned int ytreg)
case 2: /* br */
sprintf (cp, "b%u", (ytreg & 0x1f));
break;
+
+ default:
+ strcpy (cp, "invalid");
+ break;
}
}