LineageOS/android_external_libvpx
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test/vp[89]_boolcoder_test: quiet msan warnings

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the bitreaders may fill beyond what was written to the buffer as an
optimization. the data isn't used meaningfully, but it may trigger a
msan warning.

BUG=b/140939146

Change-Id: Id03cd203b8ee7ecaf6fdfe3f3c9f2ccfec527129
This commit is contained in:
James Zern
2019-11-05 23:02:44 -08:00
parent 03b779e99b
commit 7afac52ba6
2 changed files with 6 additions and 0 deletions
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3
test/vp8_boolcoder_test.cc
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@@ -93,6 +93,9 @@ TEST(VP8, TestBitIO) {
} }
vp8_stop_encode(&bw); vp8_stop_encode(&bw);
// vp8dx_bool_decoder_fill() may read into uninitialized data that
// isn't used meaningfully, but may trigger an MSan warning.
memset(bw_buffer + bw.pos, 0, sizeof(VP8_BD_VALUE) - 1);
BOOL_DECODER br; BOOL_DECODER br;
encrypt_buffer(bw_buffer, kBufferSize); encrypt_buffer(bw_buffer, kBufferSize);

3
test/vp9_boolcoder_test.cc
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@@ -66,6 +66,9 @@ TEST(VP9, TestBitIO) {
} }
vpx_stop_encode(&bw); vpx_stop_encode(&bw);
// vpx_reader_fill() may read into uninitialized data that
// isn't used meaningfully, but may trigger an MSan warning.
memset(bw_buffer + bw.pos, 0, sizeof(BD_VALUE) - 1);
// First bit should be zero // First bit should be zero
GTEST_ASSERT_EQ(bw_buffer[0] & 0x80, 0); GTEST_ASSERT_EQ(bw_buffer[0] & 0x80, 0);