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| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2017-02-08 11:29:46 -0500 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2017-02-08 17:02:47 -0500 |
| commit | a974deee477af89411e0f80456bfb344ac433c98 (patch) | |
| tree | 61016d00a0e22db3e3f662f54d603dbd079906c6 /fs | |
| parent | 8ccc869169d0c59d288b20ec2b060317f87e08b4 (diff) | |
| download | linux-0-day-a974deee477af89411e0f80456bfb344ac433c98.tar.gz linux-0-day-a974deee477af89411e0f80456bfb344ac433c98.tar.xz | |
NFSv4: Fix memory and state leak in _nfs4_open_and_get_state
If we exit because the file access check failed, we currently
leak the struct nfs4_state. We need to attach it to the
open context before returning.
Fixes: 3efb9722475e ("NFSv4: Refactor _nfs4_open_and_get_state..")
Cc: stable@vger.kernel.org # 3.10+
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/nfs/nfs4proc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index aeaa6678b071e..45271e5994f0d 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -2624,6 +2624,7 @@ static int _nfs4_open_and_get_state(struct nfs4_opendata *opendata, ret = PTR_ERR(state); if (IS_ERR(state)) goto out; + ctx->state = state; if (server->caps & NFS_CAP_POSIX_LOCK) set_bit(NFS_STATE_POSIX_LOCKS, &state->flags); if (opendata->o_res.rflags & NFS4_OPEN_RESULT_MAY_NOTIFY_LOCK) @@ -2649,7 +2650,6 @@ static int _nfs4_open_and_get_state(struct nfs4_opendata *opendata, if (ret != 0) goto out; - ctx->state = state; if (d_inode(dentry) == state->inode) { nfs_inode_attach_open_context(ctx); if (read_seqcount_retry(&sp->so_reclaim_seqcount, seq)) |