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hardened_malloc
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provide link to Bionic integration commit

pull/103/head
Daniel Micay 2019-08-18 01:43:57 -04:00
parent 04f69d9f0d
commit defd55f302
1 changed files with 7 additions and 6 deletions
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README.md
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@ -106,12 +106,13 @@ libraries.
On GrapheneOS, hardened\_malloc is integrated into the standard C library as On GrapheneOS, hardened\_malloc is integrated into the standard C library as
the standard malloc implementation. Other Android-based operating systems can the standard malloc implementation. Other Android-based operating systems can
reuse the integration code to provide it. If desired, jemalloc can be left as reuse [the integration
a runtime configuration option by only conditionally using hardened\_malloc to code](https://github.com/GrapheneOS/platform_bionic/commit/20160b81611d6f2acd9ab59241bebeac7cf1d71c)
give users the choice between performance and security. However, this reduces to provide it. If desired, jemalloc can be left as a runtime configuration
security for threat models where persistent state is untrusted, i.e. verified option by only conditionally using hardened\_malloc to give users the choice
boot and attestation (see the [attestation sister between performance and security. However, this reduces security for threat
project](https://attestation.app/about)). models where persistent state is untrusted, i.e. verified boot and attestation
(see the [attestation sister project](https://attestation.app/about)).
Make sure to raise `vm.max_map_count` substantially too to accomodate the very Make sure to raise `vm.max_map_count` substantially too to accomodate the very
large number of guard pages created by hardened\_malloc. This can be done in large number of guard pages created by hardened\_malloc. This can be done in