UserAgent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:51.0) Gecko/20100101 Firefox/51.0

Steps to reproduce the problem:
1. Verify a good OSimage.bin that can be installed to eMMC using chromeos-install
2. Sign the image again: /mnt/host/source/src/platform/vboot_reference/scripts/image_signing/sign_official_build.sh base OSimage.bin /mnt/host/source/src/platform/vboot_reference/tests/devkeys OSimage.bin.new
3. Boot OSimage.bin.new, and install to eMMC using chromeos-install

What is the expected behavior?
Installation is successful

What went wrong?
Setting up verity.
dm:dm bht[DEBUG] Setting block_count 317440
dm:dm bht[DEBUG] Setting depth to 3.
dm:dm bht[DEBUG] depth: 0 entries: 1
dm:dm bht[DEBUG] depth: 1 entries: 20
dm:dm bht[DEBUG] depth: 2 entries: 2480
Filesystem hash verification failed
Expected 114a5d4699fe759b23707b4200da3e5dcceb897e != actual d2ead6598bb29867f71a07050295c421cc77816b

Did this work before? N/A 

Chrome version: 58.0.3007  Channel: dev
OS Version: 9267
Flash Version: Shockwave Flash 24.0 r0

Self image verification by following command show passing:
/mnt/host/source/src/platform/vboot_reference/scripts/image_signing/sign_official_build.sh verify OSimage.bin.new