[SRU X/T][v2] Fix CVE-2017-7495

Shrirang Bagul shrirang.bagul at canonical.com
Tue Aug 1 09:33:31 UTC 2017


Only Xenial and Trusty kernels need this fix. Backport for two reasons:
- ext4 doesn't support allocation of pre-zeroed blocks (introduced in
  4.5-rc1). I had to fix up one hunk (which removed the check for
  EXT4_GET_BLOCKS_ZERO flag) before adding inodes on the transaction's
  ordered data list.
- Minor context changes

-Shrirang




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