Re: [PATCH] sunrpc/auth_gss: NULL pointer deref in gss_pipe_release()

From: Alex Polvi
Date: Tue Aug 01 2006 - 21:08:06 EST

On 7/31/06, Trond Myklebust <trond.myklebust@xxxxxxxxxx> wrote:
On Mon, 2006-07-31 at 10:50 -0400, Alex Polvi wrote:
> Proposed (trivial) patch to fix a NULL pointer deref in
> gss_pipe_release(). While this does seem to fix the problem, I'm not
> entirely sure it is the correct place to handle the NULL pointer.
> Included below is the script I used to recreate the problem, the oops,
> and the patch.

Sorry, but that is not the correct fix. The problem here is rather that
something is causing us to call rpc_close_pipes() on the file after the
call to gss_destroy(). That is supposed to be illegal.

Would you be willing to explain what should happen? I.e. what is the
lifecycle of an RPC inode?


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