Description: virt: vbox: fix memory leak in hgcm_call_preprocess_linaddr
References:
Notes:
 bwh> Introduced in 4.16 by commit 579db9d45cb4 "virt: Add vboxguest VMMDEV
 bwh> communication code".
Bugs:
upstream: released (5.4-rc3) [e0b0cb9388642c104838fac100a4af32745621e2]
4.19-upstream-stable: released (4.19.82) [c2ea451f22f180e9e46225f54b5ec50c50bb639f]
4.9-upstream-stable: N/A "Vulnerable code not present"
3.16-upstream-stable: N/A "Vulnerable code not present"
sid: released (5.3.9-1)
4.19-buster-security: released (4.19.87-1)
4.9-stretch-security: N/A "Vulnerable code not present"
3.16-jessie-security: N/A "Vulnerable code not present"