Description: f2fs: fix to avoid memory leakage in f2fs_listxattr
References:
 https://source.android.com/security/bulletin/pixel/2020-04-01
Notes:
Bugs:
upstream: released (5.5-rc1) [688078e7f36c293dae25b338ddc9e0a2790f6e06]
4.19-upstream-stable:
4.9-upstream-stable:
3.16-upstream-stable:
sid: released (5.5.13-1)
4.19-buster-security:
4.9-stretch-security:
3.16-jessie-security: