**Describe the bug**
https://clickhouse-test-reports.s3.yandex.net/19702/c74631c650b42e4d107254a03bd82c2c2913039b/fuzzer_msan/server.log

Most likely introduced here: #11006
const auto arr_size = *offset_ptr - arr_offset;
            result_offsets_builder.insertOne(arr_size);
            const auto elems_size_old = res_elems.size();
            res_elems.resize(elems_size_old + arr_size);
            memcpy(&res_elems[elems_size_old], &src_elems[arr_offset], arr_size * sizeof(T));
        };
    #ifdef __SSE2__
        const __m128i zero_vec = _mm_setzero_si128();
        static constexpr size_t SIMD_BYTES = 16;
        const auto * filt_end_aligned = filt_pos + size / SIMD_BYTES * SIMD_BYTES;
        while (filt_pos < filt_end_aligned)
        {
            const auto mask = _mm_movemask_epi8(_mm_cmpgt_epi8(
                _mm_loadu_si128(reinterpret_cast<const __m128i *>(filt_pos)),
                zero_vec));
            if (mask == 0)
            {
                
            }
            else if (mask == 0xffff)
            {
                
                const auto first = offsets_pos == offsets_begin;
                const auto chunk_offset = first ? 0 : offsets_pos[-1];
                const auto chunk_size = offsets_pos[SIMD_BYTES - 1] - chunk_offset;
                result_offsets_builder.template insertChunk<SIMD_BYTES>(offsets_pos, first, chunk_offset, chunk_size);
                
                const auto elems_size_old = res_elems.size();
                res_elems.resize(elems_size_old + chunk_size);
                memcpy(&res_elems[elems_size_old], &src_elems[chunk_offset], chunk_size * sizeof(T));