diff mbox series

[1/3] nfsd: copy the whole verifier in nfsd_copy_write_verifier

Message ID 20230213211345.385005-2-jlayton@kernel.org (mailing list archive)
State New, archived
Headers show
Series nfsd: write verifier fixes and optimization | expand

Commit Message

Jeff Layton Feb. 13, 2023, 9:13 p.m. UTC 
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)
Signed-off-by: Jeff Layton <jlayton@kernel.org>
---
 fs/nfsd/nfssvc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c
index fe5e4f73bb98..3a38ab304b02 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(*verf) * 2);
 	} while (need_seqretry(&nn->writeverf_lock, seq));
 	done_seqretry(&nn->writeverf_lock, seq);
 }