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(parent: b9ae9de) | patch
NFSv4: Fix memory corruption in nfs4_proc_open_confirm
authorTrond Myklebust <trond.myklebust@primarydata.com>
Sat, 1 Feb 2014 19:53:23 +0000 (14:53 -0500)
committerTrond Myklebust <trond.myklebust@primarydata.com>
Sat, 1 Feb 2014 20:13:39 +0000 (15:13 -0500)
commite43b3ad87a30329d7d832de67640a82c34bca333
tree36fc04d5578037acf69efda944b4e8dd2ff5a0dftree | snapshot
parentb9ae9ded879a23a5b1d44054f7da02d26135aeaacommit | diff
NFSv4: Fix memory corruption in nfs4_proc_open_confirm

nfs41_wake_and_assign_slot() relies on the task->tk_msg.rpc_argp and
task->tk_msg.rpc_resp always pointing to the session sequence arguments.

nfs4_proc_open_confirm tries to pull a fast one by reusing the open
sequence structure, thus causing corruption of the NFSv4 slot table.

Cc: stable@vger.kernel.org # 3.12+
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
fs/nfs/nfs4proc.c diff | blob | history
include/linux/nfs_xdr.h diff | blob | history
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