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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2022-08-31 17:47:56 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2022-09-02 12:26:29 +0100 |
| commit | e2b224abd9bf45dcb55750479fc35970725a430b (patch) | |
| tree | 95baef52756e8263f819eb01816387a4f22ad32e /net/tipc | |
| parent | 9efd23297cca530bb35e1848665805d3fcdd7889 (diff) | |
| download | linux-stable-e2b224abd9bf45dcb55750479fc35970725a430b.tar.gz linux-stable-e2b224abd9bf45dcb55750479fc35970725a430b.tar.bz2 linux-stable-e2b224abd9bf45dcb55750479fc35970725a430b.zip | |
tipc: fix shift wrapping bug in map_get()
There is a shift wrapping bug in this code so anything thing above
31 will return false.
Fixes: 35c55c9877f8 ("tipc: add neighbor monitoring framework")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/tipc')
| -rw-r--r-- | net/tipc/monitor.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/tipc/monitor.c b/net/tipc/monitor.c index 2f4d23238a7e..9618e4429f0f 100644 --- a/net/tipc/monitor.c +++ b/net/tipc/monitor.c @@ -160,7 +160,7 @@ static void map_set(u64 *up_map, int i, unsigned int v) static int map_get(u64 up_map, int i) { - return (up_map & (1 << i)) >> i; + return (up_map & (1ULL << i)) >> i; } static struct tipc_peer *peer_prev(struct tipc_peer *peer) |