In the attempted SDK roll at https://chromium-review.googlesource.com/c/chromium/src/+/1098518 we started getting compile step failures while executing extend_fvm.py:

[156/20685] ACTION //build/config/fuchsia:blobstore_extended_fvm(//build/toolchain/fuchsia:x64)
FAILED: fvm.extended.blk 
python ../../build/config/fuchsia/extend_fvm.py /b/swarming/w/ir/cache/builder/src/third_party/fuchsia-sdk/sdk/tools/fvm /b/swarming/w/ir/cache/builder/src/third_party/fuchsia-sdk/sdk/target/x64/fvm.blk /b/swarming/w/ir/cache/builder/src/out/Release/fvm.extended.blk 1073741824
check: detected inode 6 with bad state
check: detected inode 60 with bad state
check: detected inode 64 with bad state
check: detected inode 65 with bad state
check: detected inode 71 with bad state
check: detected inode 77 with bad state
check: detected inode 78 with bad state
check: detected inode 80 with bad state
check: detected inode 84 with bad state
check: detected inode 94 with bad state
check: detected inode 106 with bad state
check: detected inode 113 with bad state
check: detected inode 141 with bad state
check: detected inode 143 with bad state
check: detected inode 144 with bad state
check: detected inode 148 with bad state
check: detected inode 160 with bad state
check: detected inode 180 with bad state
check: detected inode 183 with bad state
check: detected inode 187 with bad state
check: detected inode 198 with bad state
check: detected inode 201 with bad state
check: detected inode 208 with bad state
check: detected inode 224 with bad state
check: detected inode 226 with bad state
check: detected inode 237 with bad state
check: detected inode 238 with bad state
check: detected inode 239 with bad state
check: detected inode 255 with bad state
check: detected inode 268 with bad state
check: detected inode 281 with bad state
check: detected inode 283 with bad state
check: detected inode 290 with bad state
check: detected inode 291 with bad state
check: detected inode 292 with bad state
check: detected inode 294 with bad state
check: detected inode 301 with bad state
check: detected inode 315 with bad state
check: detected inode 317 with bad state
blobfs fsck returned an error.
Verify failed - cancelling extension
Traceback (most recent call last):
  File "../../build/config/fuchsia/extend_fvm.py", line 26, in <module>
    sys.exit(ExtendFVM(*sys.argv[1:]))
  File "../../build/config/fuchsia/extend_fvm.py", line 22, in ExtendFVM
    str(new_size)])
  File "/b/swarming/w/ir/cipd_bin_packages/lib/python2.7/subprocess.py", line 186, in check_call
    raise CalledProcessError(retcode, cmd)