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| author | jschuh@chromium.org <jschuh@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2014-03-28 15:37:27 +0000 |
|---|---|---|
| committer | jschuh@chromium.org <jschuh@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2014-03-28 15:37:27 +0000 |
| commit | 9df9cb844cae339257bd5d6dbb3b5cd9da8b748d (patch) | |
| tree | cf920eb3b8c6afcebc7879cef37ffe143bf81f60 /sandbox | |
| parent | e8fde446ba8b938551f8dec71764d5f2658d124b (diff) | |
| download | chromium_src-9df9cb844cae339257bd5d6dbb3b5cd9da8b748d.zip chromium_src-9df9cb844cae339257bd5d6dbb3b5cd9da8b748d.tar.gz chromium_src-9df9cb844cae339257bd5d6dbb3b5cd9da8b748d.tar.bz2 | |
Fix masking error in InterceptionManager::PatchNtdll
BUG=344415
R=rvargas
TBR=rvargas
NOTRY=true
Review URL: https://codereview.chromium.org/215363005
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@260135 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'sandbox')
| -rw-r--r-- | sandbox/win/src/interception.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sandbox/win/src/interception.cc b/sandbox/win/src/interception.cc index dde5857..597b937 100644 --- a/sandbox/win/src/interception.cc +++ b/sandbox/win/src/interception.cc @@ -399,7 +399,7 @@ bool InterceptionManager::PatchNtdll(bool hot_patch_needed) { thunk_offset &= kPageSize - 1; // Make an aligned, padded allocation, and move the pointer to our chunk. - size_t thunk_bytes_padded = (thunk_bytes + kPageSize - 1) & kPageSize; + size_t thunk_bytes_padded = (thunk_bytes + kPageSize - 1) & ~(kPageSize - 1); thunk_base = reinterpret_cast<BYTE*>( ::VirtualAllocEx(child, thunk_base, thunk_bytes_padded, MEM_COMMIT, PAGE_EXECUTE_READWRITE)); |