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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2022-08-31 17:47:56 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-09-15 10:47:15 +0200 |
| commit | 63e19e592980b0c53cb5144646c3c33c9d3dc7a0 (patch) | |
| tree | 7d5e30cea66a9c57f6c20a0df2de3ec352d91ea8 /net | |
| parent | 8f796f36f5ba839c11eb4685150ebeed496c546f (diff) | |
| download | linux-63e19e592980b0c53cb5144646c3c33c9d3dc7a0.tar.gz linux-63e19e592980b0c53cb5144646c3c33c9d3dc7a0.tar.bz2 linux-63e19e592980b0c53cb5144646c3c33c9d3dc7a0.zip | |
tipc: fix shift wrapping bug in map_get()
[ Upstream commit e2b224abd9bf45dcb55750479fc35970725a430b ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'net')
| -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) |