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Commit 0350cb48 authored by Dan Carpenter's avatar Dan Carpenter Committed by David S. Miller
Browse files

tipc: potential shift wrapping bug in map_set() 



"up_map" is a u64 type but we're not using the high 32 bits.

Fixes: 35c55c98 ('tipc: add neighbor monitoring framework')
Signed-off-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 8c0c07a3

net/tipc/monitor.c

+2 −2
Original line number Diff line number Diff line
@@ -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 &= ~(1ULL << i);

	*up_map |= ((u64)v << i);

}



static int map_get(u64 up_map, int i)