| commit | 91782706c5887922c4ae17c3633c7697ab7a0bcf | [log] [tgz] |
|---|---|---|
| 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> | Wed Dec 06 22:44:57 2023 +0000 |
| tree | 6e83c148d005d1faa8757a558c39a31ba3b06eb4 | |
| parent | 83366e7e7a1556ab6cff117673bb9f17b973de99 [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