5.10-stable review patch. If anyone has any objections, please let me know.
------------------
From: Chuck Lever chuck.lever@oracle.com
[ 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 --- fs/nfsd/nfssvc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c index 325d3d3f12110..a0ecec54d3d7d 100644 --- a/fs/nfsd/nfssvc.c +++ b/fs/nfsd/nfssvc.c @@ -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); }