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(parent: 209aa23) | patch
NFSv4: check return value of xdr_inline_decode
authorPan Bian <bianpan2016@163.com>
Sun, 23 Apr 2017 06:49:41 +0000 (14:49 +0800)
committerTrond Myklebust <trond.myklebust@primarydata.com>
Fri, 28 Apr 2017 17:06:59 +0000 (13:06 -0400)
commit4edabfd7d0f7d39eeda8ffac76d9e884c22951d9
treedf89653068ba714a55f6e4429dc7269e1588a9d6tree | snapshot
parent209aa2308365387bc03905b7b4bb36c52ea1e696commit | diff
NFSv4: check return value of xdr_inline_decode

Function xdr_inline_decode() will return a NULL pointer if the input
buffer does not have long enough buffer to decode nbytes of data.
However, in function decode_op_map(), the return value of
xdr_inline_decode() is not validated before it is used. This patch adds
a check to the return value of xdr_inline_decode().

Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
fs/nfs/nfs4xdr.c diff | blob | history
Domain: System / Kernel;