AuxXxilium/linux_dsm_epyc7002
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1882ab8678
linux_dsm_epyc7002/drivers/infiniband/core
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Leon Romanovsky 1882ab8678 RDMA/iwcm: Fix string truncation error 
The strlen() check at the beginning of iw_cm_map() ensures that devname
and ifname strings are less than destinations to which they are supposed
to be copied. Change strncpy() call to be strcpy(), because we are
protected from overflow. Zero the entire string buffer to avoid copying
uninitialized kernel stack memory to userspace.

This fixes the compilation warning below:

In file included from ./include/linux/dma-mapping.h:6,
                 from drivers/infiniband/core/iwcm.c:38:
In function _strncpy_,
    inlined from _iw_cm_map_ at drivers/infiniband/core/iwcm.c:519:2:
./include/linux/string.h:253:9: warning: ___builtin_strncpy_ specified
bound 32 equals destination size [-Wstringop-truncation]
  return __builtin_strncpy(p, q, size);
         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Fixes: d53ec8af56 ("RDMA/iwcm: Don't copy past the end of dev_name() string")
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-02-19 20:52:19 -07:00
..
addr.c RDMA/core: Annotate timeout as unsigned long 2018-10-16 13:34:01 -04:00
agent.c RDMA: Mark if destroy address handle is in a sleepable context 2018-12-19 16:28:03 -07:00
agent.h
cache.c RDMA/device: Add ib_device_set_netdev() as an alternative to get_netdev 2019-02-19 20:52:18 -07:00
cgroup.c IB/core: Simplify rdma cgroup registration 2019-01-18 13:43:10 -07:00
cm_msgs.h IB/cm: Remove unused and erroneous msg sequence encoding 2018-07-09 11:39:28 -06:00
cm.c IB/cm: Use struct_size() in kmalloc() 2019-01-07 11:43:03 -07:00
cma_configfs.c RDMA/cma: Move cma module specific functions to cma_priv.h 2018-11-22 11:57:33 -07:00
cma_priv.h IB/cma: Define option to set ack timeout and pack tos_set 2019-02-08 16:14:21 -07:00
cma.c RDMA: Add and use rdma_for_each_port 2019-02-19 10:13:39 -07:00
core_priv.h RDMA/device: Add ib_device_set_netdev() as an alternative to get_netdev 2019-02-19 20:52:18 -07:00
cq.c RDMA/restrack: Resource-tracker should not use uobject pointers 2018-12-18 15:38:26 -07:00
device.c RDMA/rxe: Close a race after ib_register_device 2019-02-19 20:52:18 -07:00
fmr_pool.c RDMA: Start use ib_device_ops 2018-12-12 07:40:16 -07:00
iwcm.c RDMA/iwcm: Fix string truncation error 2019-02-19 20:52:19 -07:00
iwcm.h iw_cm: free cm_id resources on the last deref 2016-08-02 13:15:18 -04:00
iwpm_msg.c RDMA/iwpm: move kdoc comments to functions 2019-02-05 15:40:41 -07:00
iwpm_util.c RDMA/iwpm: Remove set but not used variable 'msg_seq' 2019-02-14 14:47:39 -07:00
iwpm_util.h RDMA/IWPM: Support no port mapping requirements 2019-02-04 16:26:02 -07:00
mad_priv.h RDMA/core: Annotate timeout as unsigned long 2018-10-16 13:34:01 -04:00
mad_rmpp.c RDMA: Mark if destroy address handle is in a sleepable context 2018-12-19 16:28:03 -07:00
mad_rmpp.h
mad.c RDMA: Add and use rdma_for_each_port 2019-02-19 10:13:39 -07:00
Makefile IB/{core,uverbs}: Move ib_umem_xxx functions from ib_core to ib_uverbs 2019-01-10 17:06:44 -07:00
mr_pool.c IB/core: add a simple MR pool 2016-05-13 13:37:18 -04:00
multicast.c IB: Make ib_init_ah_from_mcmember set sgid_attr 2018-06-25 14:19:56 -06:00
netlink.c RDMA/cma: Remove CM_ID statistics provided by rdma-cm module 2019-02-05 15:30:33 -07:00
nldev.c RDMA/core: Add RDMA_NLDEV_CMD_NEWLINK/DELLINK support 2019-02-19 20:52:19 -07:00
opa_smi.h RDMA: Start use ib_device_ops 2018-12-12 07:40:16 -07:00
packer.c IB/core: trivial prink cleanup. 2016-03-03 10:20:25 -05:00
rdma_core.c IB/uverbs: Add ib_ucontext to uverbs_attr_bundle sent from ioctl and cmd flows 2019-02-15 11:16:21 -07:00
rdma_core.h RDMA/uverbs: Mark ioctl responses with UVERBS_ATTR_F_VALID_OUTPUT 2019-01-14 14:02:22 -07:00
restrack.c RDMA/nldev: Connect QP number to .doit callback 2019-02-19 10:13:39 -07:00
restrack.h RDMA/restrack: Prepare restrack_root to addition of extra fields per-type 2019-02-19 10:13:38 -07:00
roce_gid_mgmt.c IB/core: Fix oops in netdev_next_upper_dev_rcu() 2018-12-12 12:14:49 -05:00
rw.c IB/core: Remove ib_sg_dma_address() and ib_sg_dma_len() 2019-02-04 14:34:07 -07:00
sa_query.c IB/core: Use struct_size() in kzalloc() 2019-01-07 11:59:33 -07:00
sa.h RDMA/core: Annotate timeout as unsigned long 2018-10-16 13:34:01 -04:00
security.c RDMA/device: Consolidate ib_device per_port data into one place 2019-02-19 10:13:39 -07:00
smi.c
smi.h RDMA: Start use ib_device_ops 2018-12-12 07:40:16 -07:00
sysfs.c RDMA: Add and use rdma_for_each_port 2019-02-19 10:13:39 -07:00
ucm.c RDMA: Start use ib_device_ops 2018-12-12 07:40:16 -07:00
ucma.c IB/cma: Define option to set ack timeout and pack tos_set 2019-02-08 16:14:21 -07:00
ud_header.c IB/core: trivial prink cleanup. 2016-03-03 10:20:25 -05:00
umem_odp.c Linux 5.0-rc5 2019-02-04 14:53:42 -07:00
umem.c IB/uverbs: Add ib_ucontext to uverbs_attr_bundle sent from ioctl and cmd flows 2019-02-15 11:16:21 -07:00
user_mad.c RDMA: Add and use rdma_for_each_port 2019-02-19 10:13:39 -07:00
uverbs_cmd.c RDMA/core: Cosmetic change - move member initialization to correct block 2019-02-19 20:52:19 -07:00
uverbs_ioctl.c IB/uverbs: Add ib_ucontext to uverbs_attr_bundle sent from ioctl and cmd flows 2019-02-15 11:16:21 -07:00
uverbs_main.c IB/uverbs: Add ib_ucontext to uverbs_attr_bundle sent from ioctl and cmd flows 2019-02-15 11:16:21 -07:00
uverbs_marshall.c IB/cm: Replace members of sa_path_rec with 'struct sgid_attr *' 2018-06-25 14:19:57 -06:00
uverbs_std_types_counters.c RDMA: Start use ib_device_ops 2018-12-12 07:40:16 -07:00
uverbs_std_types_cq.c RDMA/restrack: Resource-tracker should not use uobject pointers 2018-12-18 15:38:26 -07:00
uverbs_std_types_device.c IB/uverbs: Fix ioctl query port to consider device disassociation 2019-01-25 11:58:06 -07:00
uverbs_std_types_dm.c RDMA: Start use ib_device_ops 2018-12-12 07:40:16 -07:00
uverbs_std_types_flow_action.c RDMA: Start use ib_device_ops 2018-12-12 07:40:16 -07:00
uverbs_std_types_mr.c IB/uverbs: Signedness bug in UVERBS_HANDLER() 2018-12-22 16:07:13 -07:00
uverbs_std_types.c RDMA: Handle PD allocations by IB/core 2019-02-08 16:51:04 -07:00
uverbs_uapi.c IB/mlx5: Introduce MLX5_IB_OBJECT_DEVX_ASYNC_CMD_FD 2019-01-29 13:32:43 -07:00
uverbs.h IB/core: Move query port to ioctl 2018-12-20 15:18:24 -07:00
verbs.c RDMA/device: Add ib_device_set_netdev() as an alternative to get_netdev 2019-02-19 20:52:18 -07:00