Description: Divide zero in utilization when mount() a corrupted f2fs image 
References:
 https://bugzilla.kernel.org/show_bug.cgi?id=200171
 https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git/commit/?h=f2fs-dev&id=d5c28acdb832800fbbcf831f20f75080cba54f04
Notes:
Bugs:
upstream: released (4.19-rc1) [9dc956b2c8523aed39d1e6508438be9fea28c8fc]
4.19-upstream-stable: N/A "Fixed before branch point"
4.9-upstream-stable: released (4.9.144) [06e606acedaf8bb00c83c4cee43acdd264287a92]
3.16-upstream-stable: ignored "Hard to backport and low priority outside of Android"
sid: released (4.19.9-1)
4.9-stretch-security: released (4.9.144-1)
3.16-jessie-security: ignored "Hard to backport and low priority outside of Android"