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| author | Benjamin Coddington <bcodding@redhat.com> | 2015-11-20 17:56:20 +0300 |
|---|---|---|
| committer | Sasha Levin <sasha.levin@oracle.com> | 2016-01-21 19:23:29 +0300 |
| commit | d48e82da8b064ed3ce8bfa2d8b17d8566e811f4f (patch) | |
| tree | 8692a216d7b6fa239569b10d2e677ad080b451a7 /fs/nfs/inode.c | |
| parent | e46b3f459f2efa11329013b3df96723ec4d2f314 (diff) | |
| download | linux-d48e82da8b064ed3ce8bfa2d8b17d8566e811f4f.tar.xz | |
nfs4: start callback_ident at idr 1
[ Upstream commit c68a027c05709330fe5b2f50c50d5fa02124b5d8 ]
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>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Diffstat (limited to 'fs/nfs/inode.c')
0 files changed, 0 insertions, 0 deletions