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tipc: potential shift wrapping bug in map_set()
[deliverable/linux.git]
/
net
/
tipc
/
monitor.c
diff --git
a/net/tipc/monitor.c
b/net/tipc/monitor.c
index 87d4efedd09fd9768a925ac99d374c8ac6b78584..0d489e81fcca129dbb12f5c00390aad7014ef89e 100644
(file)
--- a/
net/tipc/monitor.c
+++ b/
net/tipc/monitor.c
@@
-122,8
+122,8
@@
static int dom_size(int peers)
static void map_set(u64 *up_map, int i, unsigned int v)
{
- *up_map &= ~(1 << i);
- *up_map |= (v << i);
+ *up_map &= ~(1
ULL
<< i);
+ *up_map |= (
(u64)
v << i);
}
static int map_get(u64 up_map, int i)
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