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(parent: 7d22444) | patch
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)
committerDoug Ledford <dledford@redhat.com>
Wed, 7 Mar 2018 20:25:40 +0000 (15:25 -0500)
commit63c7aee6f451ea58efe4254b85b9cfcbca2564ca
tree63a8ed9ff3a53e4699b8f8d284c65fb6f904e6b8tree | snapshot
parent7d22444ee46b94e0f0b38477a4f007eae5ed5916commit | diff
RDMA/ucma: Check that user doesn't overflow QP state

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: b8f533e6bd74 ("RDMA/cma: Export rdma cm interface to userspace")
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
drivers/infiniband/core/ucma.c diff | blob | history
Linux Kernel Source Tree.