| commit | 61a2897733e15a12b7aa2dfd99957e83cbe59351 | [log] [tgz] |
|---|---|---|
| author | Keith Mok <keithmok@google.com> | Thu Aug 31 00:31:35 2023 +0000 |
| committer | Keith Mok <keithmok@google.com> | Fri Sep 15 21:58:29 2023 +0000 |
| tree | 99902c4f0074d5690ad7c12d58b9128cf7a88835 | |
| parent | 0c652fa345606617dbbe12853d0f49e95eca78bf [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 Change-Id: I9288cf30b41e84ad8d3247c204e20482912bff69 Merged-In: I9288cf30b41e84ad8d3247c204e20482912bff69 (cherry picked from commit f83c5c8fecf89d9315945368aa20350c2f235cc0)