tree 855c5c01a6c6d2d2885c31a18e1e72499ef489ac
parent 8fa82d5f89a05c196bf948c46e5b64055713b55d
author JaeMan Park <jaeman@google.com> 1627274688 +0900
committer JaeMan Park <jaeman@google.com> 1627275100 +0900

Fix assertion failure while processing VHOST_USER_SET_MEM_TABLE

Assertion USFSTL_ASSERT(len >= (int)sizeof(msg.payload.mem_regions))
should be modified to 'len <= ...' because actual read length should
not be greater than msg.payload.mem_regions which size is maximum
mem region table.

Bug: 192907552
Test: lunch aosp_cf_x86_64_phone-userdebug &&
      m PRODUCT_ENFORCE_MAC80211_HWSIM=true droid wmediumd &&
      wmediumd -u /tmp/vhost_server_mac80211 -c $ANDROID_BUILD_TOP/external/wmediumd/tests/cuttlefish.cfg
      and then, execute
      launch_cvd --vhost-user-mac80211-hwsim=/tmp/vhost_server_mac80211
      Check the assertion len <= (int)sizeof(msg.payload.mem_regions) at
      vhost.c does not fails
Change-Id: Ic0bc3a010def428db4083b23dcb94dbdd0d6918b