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NFSD enforce filehandle check for source file in COPY

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If the passed in filehandle for the source file in the COPY operation
is not a regular file, the server MUST return NFS4ERR_WRONG_TYPE.

Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Olga Kornievskaia 2022-08-19 15:16:36 -04:00 committed by Chuck Lever
parent 97f8e62572
commit 754035ff79
1 changed files with 7 additions and 1 deletions
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8
fs/nfsd/nfs4proc.c
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@ -1768,7 +1768,13 @@ static int nfsd4_do_async_copy(void *data)
filp = nfs42_ssc_open(copy->ss_mnt, &copy->c_fh,
&copy->stateid);
if (IS_ERR(filp)) {
nfserr = nfserr_offload_denied;
switch (PTR_ERR(filp)) {
case -EBADF:
nfserr = nfserr_wrong_type;
break;
default:
nfserr = nfserr_offload_denied;
}
nfsd4_interssc_disconnect(copy->ss_mnt);
goto do_callback;
}