RDMA/ucma: Check that user doesn't overflow QP state

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commit a5880b8443 upstream.

The QP state is limited and declared in enum ib_qp_state,
but ucma user was able to supply any possible (u32) value.

Reported-by: syzbot+0df1ab766f8924b1edba@syzkaller.appspotmail.com
Fixes: 7521663857 ("RDMA/cma: Export rdma cm interface to userspace")
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Leon Romanovsky 2018-03-07 18:49:16 +02:00 • committed by Greg Kroah-Hartman

parent 9b2d784a39

commit 01b8c0e360

1 changed files with 3 additions and 0 deletions

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drivers/infiniband/core/ucma.c

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