| commit | 0518f8cb192fa4ee694f10d007522ab70c40ad15 | [log] [tgz] |
|---|---|---|
| author | Daniel Rosenberg <drosen@google.com> | Thu Sep 02 13:28:03 2021 -0700 |
| committer | Daniel Rosenberg <drosen@google.com> | Thu Sep 02 14:13:29 2021 -0700 |
| tree | 982fc13c9b21b84105d083ae26e690c3c7e23bba | |
| parent | bb0a7642d63b95a0f7db23f38d7f1c957930ec08 [diff] |
snapuserd: Fix PrepareReadAhead When checking the instead of current, and when checking the position, we could underflow, which would get caught by UBSAN Bug: 177104308 Test: Map cow file with xor op or copy op at position 0 Change-Id: I4fba1982419e08b58759ec893e238175d245dbfc