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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 12:23:52 +0200 |
| commit | c9d6f7ce3b13c48d6693055fae996be72a2d71b0 (patch) | |
| tree | a3bed4c701cbc3e7fa854f28d622f8b67bea95c1 | |
| parent | a7af71bb5ee6e887d49f098e212ef4f2f7cfbaf6 (diff) | |
| download | linux-stable-c9d6f7ce3b13c48d6693055fae996be72a2d71b0.tar.gz | |
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>
| -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 c6496da9392d..cf6dd3546c53 100644 --- a/net/tipc/monitor.c +++ b/net/tipc/monitor.c @@ -130,7 +130,7 @@ 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) |