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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 12:32:05 +0300 |
| commit | 22922da7373c38c91dd36de993589b81a4129178 (patch) | |
| tree | a99118c204bb1d86c84087b71404cf8b3abc1bbd | |
| parent | 2ee85ac1b29dbd2ebd2d8e5ac1dd5793235d516b (diff) | |
| download | linux-22922da7373c38c91dd36de993589b81a4129178.tar.xz | |
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 a37190da5a50..1d90f39129ca 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) |