When accessing data blocks, truncate addr to wordsize
* util.c (umoven): Truncate addr to wordsize before use.
diff --git a/util.c b/util.c
index 3e6269f..2abfce3 100644
--- a/util.c
+++ b/util.c
@@ -831,6 +831,11 @@
char x[sizeof(long)];
} u;
+#if SUPPORTED_PERSONALITIES > 1
+ if (personality_wordsize[current_personality] < sizeof(addr))
+ addr &= (1ul << 8 * personality_wordsize[current_personality]) - 1;
+#endif
+
if (!process_vm_readv_not_supported) {
struct iovec local[1], remote[1];
int r;
@@ -855,11 +860,6 @@
}
vm_readv_didnt_work:
-#if SUPPORTED_PERSONALITIES > 1
- if (personality_wordsize[current_personality] < sizeof(addr))
- addr &= (1ul << 8 * personality_wordsize[current_personality]) - 1;
-#endif
-
started = 0;
if (addr & (sizeof(long) - 1)) {
/* addr not a multiple of sizeof(long) */