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[CFI] Remove function pointer casts

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Control Flow Integrity [1] indirect call checking verifies that function
pointers only call valid functions with a matching type signature. This
change eliminates function pointer casts that were causing cfi-icall
failures.

[1] https://www.chromium.org/developers/testing/control-flow-integrity

BUG=chromium:827826

Change-Id: I5db021d06390a6cefd670fdd2f0d34c9e530465e
This commit is contained in:
Vlad Tsyrklevich
2018-04-02 15:52:19 -07:00
committed by James Zern
parent c909d53182
commit 978eec2507
4 changed files with 12 additions and 7 deletions
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5
src/enc/alpha_enc.c
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@ -361,7 +361,8 @@ static int EncodeAlpha(VP8Encoder* const enc,
//------------------------------------------------------------------------------
// Main calls
static int CompressAlphaJob(VP8Encoder* const enc, void* dummy) {
static int CompressAlphaJob(void* arg1, void* dummy) {
VP8Encoder* const enc = (VP8Encoder*)arg1;
const WebPConfig* config = enc->config_;
uint8_t* alpha_data = NULL;
size_t alpha_size = 0;
@ -394,7 +395,7 @@ void VP8EncInitAlpha(VP8Encoder* const enc) {
WebPGetWorkerInterface()->Init(worker);
worker->data1 = enc;
worker->data2 = NULL;
worker->hook = (WebPWorkerHook)CompressAlphaJob;
worker->hook = CompressAlphaJob;
}
}