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authorBenjamin Coddington <bcodding@redhat.com>2015-11-20 09:56:20 -0500
committerTrond Myklebust <trond.myklebust@primarydata.com>2015-11-23 21:59:42 -0500
commitc68a027c05709330fe5b2f50c50d5fa02124b5d8 (patch)
tree42a72e774e63306c52ecd51d9c2314209a50bed0 /fs/nfs/callback_xdr.c
parentnfs: use sliding delay when LAYOUTGET gets NFS4ERR_DELAY (diff)
downloadlinux-dev-c68a027c05709330fe5b2f50c50d5fa02124b5d8.tar.xz
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nfs4: start callback_ident at idr 1
If clp->cl_cb_ident is zero, then nfs_cb_idr_remove_locked() skips removing it when the nfs_client is freed. A decoding or server bug can then find and try to put that first nfs_client which would lead to a crash. Signed-off-by: Benjamin Coddington <bcodding@redhat.com> Fixes: d6870312659d ("nfs4client: convert to idr_alloc()") Cc: stable@vger.kernel.org Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs/callback_xdr.c')
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