diff options
| author | Leon Romanovsky <leonro@mellanox.com> | 2018-05-23 08:22:11 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-07-17 11:31:46 +0200 |
| commit | 28db2b23f44c4a15e431327e488fc0680c4aceb0 (patch) | |
| tree | 553a253ff68564141ef9a203bb63142e0986485d | |
| parent | a4ae35d6789d187e2763db87fee4d118c576f907 (diff) | |
RDMA/ucm: Mark UCM interface as BROKEN
commit 7a8690ed6f5346f6738971892205e91d39b6b901 upstream.
In commit 357d23c811a7 ("Remove the obsolete libibcm library")
in rdma-core [1], we removed obsolete library which used the
/dev/infiniband/ucmX interface.
Following multiple syzkaller reports about non-sanitized
user input in the UCMA module, the short audit reveals the same
issues in UCM module too.
It is better to disable this interface in the kernel,
before syzkaller team invests time and energy to harden
this unused interface.
[1] https://github.com/linux-rdma/rdma-core/pull/279
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/infiniband/Kconfig | 12 | ||||
| -rw-r--r-- | drivers/infiniband/core/Makefile | 4 |
2 files changed, 14 insertions, 2 deletions
diff --git a/drivers/infiniband/Kconfig b/drivers/infiniband/Kconfig index aa26f3c3416b..c151bb625179 100644 --- a/drivers/infiniband/Kconfig +++ b/drivers/infiniband/Kconfig @@ -33,6 +33,18 @@ config INFINIBAND_USER_ACCESS libibverbs, libibcm and a hardware driver library from <http://www.openfabrics.org/git/>. +config INFINIBAND_USER_ACCESS_UCM + bool "Userspace CM (UCM, DEPRECATED)" + depends on BROKEN + depends on INFINIBAND_USER_ACCESS + help + The UCM module has known security flaws, which no one is + interested to fix. The user-space part of this code was + dropped from the upstream a long time ago. + + This option is DEPRECATED and planned to be removed. + + config INFINIBAND_USER_MEM bool depends on INFINIBAND_USER_ACCESS != n diff --git a/drivers/infiniband/core/Makefile b/drivers/infiniband/core/Makefile index d43a8994ac5c..737612a442be 100644 --- a/drivers/infiniband/core/Makefile +++ b/drivers/infiniband/core/Makefile @@ -5,8 +5,8 @@ obj-$(CONFIG_INFINIBAND) += ib_core.o ib_mad.o ib_sa.o \ ib_cm.o iw_cm.o ib_addr.o \ $(infiniband-y) obj-$(CONFIG_INFINIBAND_USER_MAD) += ib_umad.o -obj-$(CONFIG_INFINIBAND_USER_ACCESS) += ib_uverbs.o ib_ucm.o \ - $(user_access-y) +obj-$(CONFIG_INFINIBAND_USER_ACCESS) += ib_uverbs.o $(user_access-y) +obj-$(CONFIG_INFINIBAND_USER_ACCESS_UCM) += ib_ucm.o $(user_access-y) ib_core-y := packer.o ud_header.o verbs.o sysfs.o \ device.o fmr_pool.o cache.o netlink.o \ |