Date: Wed, 5 Dec 2018 13:30:17 +0000 (UTC) From: Slava Shwartsman <slavash@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r341544 - head/sys/dev/mlx4/mlx4_core Message-ID: <201812051330.wB5DUHdk070984@repo.freebsd.org>
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Author: slavash Date: Wed Dec 5 13:30:16 2018 New Revision: 341544 URL: https://svnweb.freebsd.org/changeset/base/341544 Log: mlx4core: Add checks for invalid port numbers. Submitted by: hselasky@ Approved by: hselasky (mentor) MFC after: 1 week Sponsored by: Mellanox Technologies Modified: head/sys/dev/mlx4/mlx4_core/mlx4_cmd.c Modified: head/sys/dev/mlx4/mlx4_core/mlx4_cmd.c ============================================================================== --- head/sys/dev/mlx4/mlx4_core/mlx4_cmd.c Wed Dec 5 13:29:46 2018 (r341543) +++ head/sys/dev/mlx4/mlx4_core/mlx4_cmd.c Wed Dec 5 13:30:16 2018 (r341544) @@ -961,6 +961,8 @@ static int mlx4_MAD_IFC_wrapper(struct mlx4_dev *dev, if (!err && slave != mlx4_master_func_num(dev)) { u8 *state = outsmp->data + PORT_STATE_OFFSET; + if (port < 1 || port > dev->caps.num_ports) + return -EINVAL; *state = (*state & 0xf0) | vf_port_state(dev, port, slave); slave_cap_mask = priv->mfunc.master.slave_state[slave].ib_cap_mask[port]; memcpy(outsmp->data + PORT_CAPABILITY_LOCATION_IN_SMP, &slave_cap_mask, 4); @@ -968,8 +970,12 @@ static int mlx4_MAD_IFC_wrapper(struct mlx4_dev *dev, return err; } if (smp->attr_id == IB_SMP_ATTR_GUID_INFO) { - __be64 guid = mlx4_get_admin_guid(dev, slave, - port); + __be64 guid; + + if (port < 1 || port > dev->caps.num_ports) + return -EINVAL; + + guid = mlx4_get_admin_guid(dev, slave, port); /* set the PF admin guid to the FW/HW burned * GUID, if it wasn't yet set
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