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Fix all ASAN issues in vectorscan

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This commit is contained in:
Danila Kutenin
2022-02-18 17:14:51 +00:00
parent 91e1212084
commit a526f6bb6b
10 changed files with 262 additions and 75 deletions
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19
src/nfa/truffle_simd.hpp
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@@ -107,8 +107,16 @@ const u8 *truffleExecReal(m128 &shuf_mask_lo_highclear, m128 shuf_mask_lo_highse
// finish off tail
if (d != buf_end) {
SuperVector<S> chars = SuperVector<S>::loadu_maskz(d, buf_end - d);
rv = fwdBlock(wide_shuf_mask_lo_highclear, wide_shuf_mask_lo_highset, chars, d);
SuperVector<S> chars = SuperVector<S>::Zeroes();
const u8* end_buf;
if (buf_end - buf < S) {
memcpy(&chars.u, buf, buf_end - buf);
end_buf = buf;
} else {
chars = SuperVector<S>::loadu(buf_end - S);
end_buf = buf_end - S;
}
rv = fwdBlock(wide_shuf_mask_lo_highclear, wide_shuf_mask_lo_highset, chars, end_buf);
DEBUG_PRINTF("rv %p \n", rv);
if (rv && rv < buf_end) return rv;
}
@@ -171,7 +179,12 @@ const u8 *rtruffleExecReal(m128 shuf_mask_lo_highclear, m128 shuf_mask_lo_highse
// finish off head
if (d != buf) {
SuperVector<S> chars = SuperVector<S>::loadu(buf);
SuperVector<S> chars = SuperVector<S>::Zeroes();
if (buf_end - buf < S) {
memcpy(&chars.u, buf, buf_end - buf);
} else {
chars = SuperVector<S>::loadu(buf);
}
rv = revBlock(wide_shuf_mask_lo_highclear, wide_shuf_mask_lo_highset, chars, buf);
DEBUG_PRINTF("rv %p \n", rv);
if (rv && rv < buf_end) return rv;