| commit | dc9dc2febb17f72e9878eb540ad3996f7984239a | [log] [tgz] |
|---|---|---|
| author | Trond Myklebust <trond.myklebust@hammerspace.com> | Sun Mar 29 19:55:05 2020 -0400 |
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | Wed Apr 01 13:37:56 2020 -0400 |
| tree | ebe5d0a572a1584384969fd3612853b1ae776a84 | |
| parent | 08ca8b21f760c0ed5034a5c122092eec22ccf8f4 [diff] |
NFS: Fix use-after-free issues in nfs_pageio_add_request()
We need to ensure that we create the mirror requests before calling
nfs_pageio_add_request_mirror() on the request we are adding.
Otherwise, we can end up with a use-after-free if the call to
nfs_pageio_add_request_mirror() triggers I/O.
Fixes: c917cfaf9bbe ("NFS: Fix up NFS I/O subrequest creation")
Cc: stable@vger.kernel.org
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>