[RESTRICT AUTOMERGE] Clear mmapped page before releasing and re-generate

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This is a merge of CL from widevine repo (obfuscated code only):
https://widevine-internal-review.googlesource.com/c/cdm/+/125003

Original commit message from the fix above:
"A fix in haystack which wipes out mmapped memory page before unmapping
it is made here: cl/370818768. This is to prevent potential key leaking
in L3. Obfuscated L3 is generated on top of the fix.

Additionally, new system IDs are created to track the L3 build with this
fix. These IDs are built into the updated L3 libraries in this CL also."

New L3 system IDs included in the obfuscated code:
ID      Description
22565 - Android ARM 64 L3 Field Provisioning 2021
22566 - Android ARM L3 Field Provisioning 2021
22569 - Android x86 64 L3 Field Provisioning 2021
22570 - Android x86 L3 Field Provisioning 2021

Bug: 182584472
Test: L3 unit tests
Test: GTS tests
run gts --module GtsMediaTestCases
run gts --module GtsExoPlayerTestCases
run gts --module GtsYouTubeTestCases

Change-Id: Ice316de67fac0a5f9f4f2b64d86f51cf4ff2ad07

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This commit is contained in:

Cong Lin

2021-05-19 09:52:55 -07:00

parent 51371f481f

commit 48cc1e57b8

4 changed files with 262074 additions and 439944 deletions

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197237

libwvdrmengine/level3/arm/libl3oemcrypto.cpp

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libwvdrmengine/level3/arm64/libl3oemcrypto.cpp

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libwvdrmengine/level3/x86/libl3oemcrypto.cpp

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libwvdrmengine/level3/x86_64/libl3oemcrypto.cpp

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