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RDMA/ucma: Check that user doesn't overflow QP state
authorLeon Romanovsky <leonro@mellanox.com>
Wed, 7 Mar 2018 16:49:16 +0000 (18:49 +0200)
committerBen Hutchings <ben@decadent.org.uk>
Thu, 31 May 2018 23:30:20 +0000 (00:30 +0100)
commit a5880b84430316e3e1c1f5d23aa32ec6000cc717 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: 75216638572f ("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: Ben Hutchings <ben@decadent.org.uk>
drivers/infiniband/core/ucma.c patch | blob | history

diff --cc drivers/infiniband/core/ucma.c
Simple merge
Pandora Kernel Repository