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NFSv4: Fix two infinite loops in the mount code
We can currently loop forever in nfs4_lookup_root() and in nfs41_proc_secinfo_no_name(), if the first iteration returns a NFS4ERR_DELAY or something else that causes exception.retry to get set. Reported-by: Weston Andros Adamson <dros@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: stable@vger.kernel.org
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parent
864cf9bf99
commit
05e9cfb408
1 changed files with 4 additions and 2 deletions
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@ -2290,11 +2290,12 @@ static int nfs4_lookup_root(struct nfs_server *server, struct nfs_fh *fhandle,
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switch (err) {
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case 0:
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case -NFS4ERR_WRONGSEC:
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break;
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goto out;
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default:
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err = nfs4_handle_exception(server, err, &exception);
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}
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} while (exception.retry);
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out:
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return err;
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}
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@ -6229,11 +6230,12 @@ nfs41_proc_secinfo_no_name(struct nfs_server *server, struct nfs_fh *fhandle,
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case 0:
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case -NFS4ERR_WRONGSEC:
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case -NFS4ERR_NOTSUPP:
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break;
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goto out;
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default:
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err = nfs4_handle_exception(server, err, &exception);
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}
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} while (exception.retry);
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out:
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return err;
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}
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