NFSD: fix missing refcount in nfsd4_copy by nfsd4_do_async_copy
authorDai Ngo <dai.ngo@oracle.com>
Thu, 29 Oct 2020 19:07:16 +0000 (15:07 -0400)
committerJ. Bruce Fields <bfields@redhat.com>
Thu, 5 Nov 2020 22:25:14 +0000 (17:25 -0500)
commit49a361327332c9221438397059067f9b205f690d
treeaa1cba58354156ca0ab10edaba94d292f35ebd53
parent36e1e5ba90fb3fba6888fae26e4dfc28bf70aaf1
NFSD: fix missing refcount in nfsd4_copy by nfsd4_do_async_copy

Need to initialize nfsd4_copy's refcount to 1 to avoid use-after-free
warning when nfs4_put_copy is called from nfsd4_cb_offload_release.

Fixes: ce0887ac96d3 ("NFSD add nfs4 inter ssc to nfsd4_copy")
Signed-off-by: Dai Ngo <dai.ngo@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
fs/nfsd/nfs4proc.c