Description: f2fs: fix to do sanity check on last xattr entry in __f2fs_setxattr()
References:
 https://bugzilla.kernel.org/show_bug.cgi?id=215235
 https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git/commit/?h=dev&id=5598b24efaf4892741c798b425d543e4bed357a1
Notes:
Bugs:
upstream:
5.10-upstream-stable:
4.19-upstream-stable:
4.9-upstream-stable:
sid:
5.10-bullseye-security:
4.19-buster-security:
4.9-stretch-security: