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authorJ. Bruce Fields <bfields@redhat.com>2010-09-13 03:55:25 +0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2010-09-13 03:55:25 +0400
commitf2d47d02fd84343a3c5452daca6ed12c75618aff (patch)
tree7f7e70c78070021d28e319bc1124cea283ec1e84 /Makefile
parent49553c2ef88749dd502687f4eb9c258bb10a4f44 (diff)
downloadlinux-f2d47d02fd84343a3c5452daca6ed12c75618aff.tar.xz
Fix null dereference in call_allocate
In call_allocate we need to reach the auth in order to factor au_cslack into the allocation. As of a17c2153d2e271b0cbacae9bed83b0eaa41db7e1 "SUNRPC: Move the bound cred to struct rpc_rqst", call_allocate attempts to do this by dereferencing tk_client->cl_auth, however this is not guaranteed to be defined--cl_auth can be zero in the case of gss context destruction (see rpc_free_auth). Reorder the client state machine to bind credentials before allocating, so that we can instead reach the auth through the cred. Signed-off-by: J. Bruce Fields <bfields@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: stable@kernel.org
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