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Jeff says: Now that I look,1b3e26a5ccis wrong. The patch on the ml was correct, but the one that got committed is different. It should be: status = decode_cb_op_status(xdr, OP_CB_GETATTR, &cb->cb_status); if (unlikely(status || cb->cb_status)) If "status" is non-zero, decoding failed (usu. BADXDR), but we also want to bail out and not decode the rest of the call if the decoded cb_status is non-zero. That's not happening here, cb_seq_status has already been checked and is non-zero, so this ends up trying to decode the rest of the CB_GETATTR reply when it doesn't exist. Reported-by: Jeff Layton <jlayton@kernel.org> Closes: https://bugzilla.kernel.org/show_bug.cgi?id=219737 Fixes:1b3e26a5cc("NFSD: fix decoding in nfs4_xdr_dec_cb_getattr") Reviewed-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.