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(parent: 690c899) | patch
NFS/pnfs: Fix a credential use-after-free issue in pnfs_roc()
authorTrond Myklebust <trond.myklebust@hammerspace.com>
Mon, 20 Apr 2020 03:53:52 +0000 (23:53 -0400)
committerTrond Myklebust <trond.myklebust@hammerspace.com>
Mon, 20 Apr 2020 03:53:52 +0000 (23:53 -0400)
commit7fb3259619a506391706f8c3b942e437822973aa
treed0884ad10deb4cd34a09209548923ab5a1e94cd7tree | snapshot
parent690c899011ffedc9b3de1d5e771b18fb1d331606commit | diff
NFS/pnfs: Fix a credential use-after-free issue in pnfs_roc()

If the credential returned by pnfs_prepare_layoutreturn()
does not match the credential of the RPC call, then we do
end up calling pnfs_send_layoutreturn() with that credential,
so don't free it!

Fixes: 12e9f4444f9c ("NFS/pnfs: Reference the layout cred in pnfs_prepare_layoutreturn()")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
fs/nfs/pnfs.c diff | blob | history
Linux Kernel Source Tree.