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** Attachment added: "crypto: vmx - ghash: do nosimd fallback manually"
https://bugs.launchpad.net/bugs/1841488/+attachment/5284792/+files/0003-crypto-vmx-ghash-do-nosimd-fallback-manually.patch
** Changed in: ubuntu
Assignee: (unassigned) => Ubuntu on IBM Power Systems Bug Triage
(ubuntu-power-triage)
** Package changed: ubuntu => linux (Ubuntu)
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https://bugs.launchpad.net/bugs/1841488
Title:
[Ubuntu18.10][Backport] Crypto VMX Fixes
Status in linux package in Ubuntu:
New
Bug description:
Cosmic is missing the fix for "5c380d623ed3 - crypto: vmx - Add
support for VMS instructions by ASM (4 years, 5 months ago) <Leonidas
S. Barbosa>" ... which is fixed by 'crypto: vmx - fix copy-paste error
in CTR mode', it fixes a couple of incorrect branch targets, and usage
of an incorrect vector assembly instruction.
The others two patches ("crypto: vmx - CTR: always increment IV as
quadword ", "crypto: vmx - ghash: do nosimd fallback manually ") fixes
for ghash replaces the fallback mechanism that is used on powerpc an
operation is required to operate in interrupt context.
These fixes are important to avoid a potential data integrity issue.
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