commit | 6c3d6f094dc00c97302b9cb28ecb9d4d8f04fa62 | [log] [tgz] |
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author | Keith Mok <keithmok@google.com> | Thu Aug 31 00:31:35 2023 +0000 |
committer | Android Build Coastguard Worker <android-build-coastguard-worker@google.com> | Tue Dec 12 21:50:24 2023 +0000 |
tree | 52009bab83bde00444a13de586581dd5985348a6 | |
parent | b6a1d78c5b4694eb25d1578eff0b5c9710d115e4 [diff] |
Add seal if ashmem-dev is backed by memfd Need to seal the buffer size in align with ashmem if set to PROT_READ only to prevent untrusted remote process to shrink the buffer size and crash it. Bug: 294609150 Test: build Ignore-AOSP-First: Security (cherry picked from commit f83c5c8fecf89d9315945368aa20350c2f235cc0) (cherry picked from https://googleplex-android-review.googlesource.com/q/commit:61a2897733e15a12b7aa2dfd99957e83cbe59351) Merged-In: I9288cf30b41e84ad8d3247c204e20482912bff69 Change-Id: I9288cf30b41e84ad8d3247c204e20482912bff69