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[ Upstream commit b8db159239b3f51e2b909859935cc25cb3ff3eed ] We fail to advance the read pointer when reading the stat.oh field that identifies the lock-holder in a TEST result. This turns out not to matter if the server is knfsd, which always returns a zero-length field. But other servers (Ganesha is an example) may not do this. The result is bad values in fcntl F_GETLK results. Fix this. Signed-off-by: J. Bruce Fields <bfields@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org>