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NFSD: copy the whole verifier in nfsd_copy_write_verifier

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[ Upstream commit 90d2175572470ba7f55da8447c72ddd4942923c4 ]

Currently, we're only memcpy'ing the first __be32. Ensure we copy into
both words.

Fixes: 91d2e9b56cf5 ("NFSD: Clean up the nfsd_net::nfssvc_boot field")
Reported-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Chuck Lever 2023-02-14 10:07:59 -05:00 committed by Greg Kroah-Hartman
parent dd7d50c695
commit 37cd49faaa
1 changed files with 1 additions and 1 deletions
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2
fs/nfsd/nfssvc.c
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@ -363,7 +363,7 @@ void nfsd_copy_write_verifier(__be32 verf[2], struct nfsd_net *nn)
do {
read_seqbegin_or_lock(&nn->writeverf_lock, &seq);
memcpy(verf, nn->writeverf, sizeof(*verf));
memcpy(verf, nn->writeverf, sizeof(nn->writeverf));
} while (need_seqretry(&nn->writeverf_lock, seq));
done_seqretry(&nn->writeverf_lock, seq);
}