wlan: Add buf len check in wlan_hdd_cfg80211_testmode

In __wlan_hdd_cfg80211_testmode API no checks are in place that
ensure that buflen is smaller or equal the size of the stack
variable hb_params. Hence, the vos_mem_copy() call can overflow
stack memory.

Add buf len check to avoid stack overflow.

CRs-Fixed: 1105085
Change-Id: I6af6a74cc38ebce3337120adcf7e9595f22d3d8c
1 file changed
tree: f5890db49e52a5f8a11e81430ed1a1f2afa11dad
  1. CORE/
  2. firmware_bin/
  3. riva/
  4. Android.mk
  5. Kbuild
  6. Kconfig
  7. Makefile