Possible bug?: msSmallCalloc(): Out of memory allocating -2732555844 bytes.

I am reciving an error when mapserver try to show an *ecw file.

Below I have attached  logs, test, and programs versions:

thank you in advance.

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**Mapserver log :**

[Wed Mar 20 12:34:33 2019].161760 CGI Request 3 on process 930

[Wed Mar 20 12:34:33 2019].165160 msDrawMap(): rendering using outputformat named png (AGG/PNG).

[Wed Mar 20 12:34:33 2019].165209 msDrawMap(): WMS/WFS set-up and query, 0.000s

[Wed Mar 20 12:34:33 2019].165297 msDrawRasterLayerLow(ecw-test): entering.

[Wed Mar 20 12:34:33 2019].166044 msDrawRasterLayerLow(): Unable to access file. Corrupt, empty or missing file '/var/www/apps/ejercito/data/ecwtest/Mosaico_SPOT_2010_Canarias.ecw' for layer 'ecw-test'. `/var/www/apps/ejercito/data/ecwtest/Mosaico_SPOT_2010_Canarias.ecw' not recognized as a supported file format.

[Wed Mar 20 12:34:33 2019].166073 msDrawMap(): Image handling error. Failed to draw layer named 'ecw-test'.

[Wed Mar 20 12:34:33 2019].166125 mapserv request processing time (msLoadMap not incl.): 0.004s

[Wed Mar 20 12:34:33 2019].166142 msFreeMap(): freeing map at 0x5634ec628b60.

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**shp2img -m /etc/mapserver/ejercito.map -l cecaf_cnv_1M  -o test.png**

msSmallCalloc(): Out of memory allocating -2732555844 bytes.

----------------------------------------------------------------------------

**gdalinfo /var/www/apps/ejercito/data/ecwtest/Mosaico_SPOT_2010_Canarias.ecw**

Driver: ECW/ERDAS Compressed Wavelets (SDK 3.x)

Files: /var/www/apps/ejercito/data/ecwtest/Mosaico_SPOT_2010_Canarias.ecw

       /var/www/apps/ejercito/data/ecwtest/Mosaico_SPOT_2010_Canarias.ecw.aux.xml

Size is 23262, 9022

Coordinate System is:

PROJCS["NUTM28",

    GEOGCS["WGS 84",

        DATUM["WGS_1984",

            SPHEROID["WGS 84",6378137,298.257223563,

                AUTHORITY["EPSG","7030"]],

            TOWGS84[0,0,0,0,0,0,0],

            AUTHORITY["EPSG","6326"]],

        PRIMEM["Greenwich",0,

            AUTHORITY["EPSG","8901"]],

        UNIT["degree",0.0174532925199433,

            AUTHORITY["EPSG","9108"]],

        AXIS["Lat",NORTH],

        AXIS["Long",EAST],

        AUTHORITY["EPSG","4326"]],

    PROJECTION["Transverse_Mercator"],

    PARAMETER["latitude_of_origin",0],

    PARAMETER["central_meridian",-15],

    PARAMETER["scale_factor",0.9996],

    PARAMETER["false_easting",500000],

    PARAMETER["false_northing",0],

    UNIT["Meter",1]]

Origin = (188288.698917730507674,3241075.270048933103681)

Pixel Size = (20.000000000000000,-20.000000000000000)

Metadata:

  COLORSPACE=RGB

  COMPRESSION_RATE_TARGET=1

  VERSION=2

Corner Coordinates:

Upper Left  (  188288.699, 3241075.270)

Lower Left  (  188288.699, 3060635.270)

Upper Right (  653528.699, 3241075.270)

Lower Right (  653528.699, 3060635.270)

Center      (  420908.699, 3150855.270)

Band 1 Block=256x256 Type=Byte, ColorInterp=Red

  Description = Red

  Overviews: 11631x4511, 5815x2255, 2907x1127, 1453x563, 726x281, 363x140

Band 2 Block=256x256 Type=Byte, ColorInterp=Green

  Description = Green

  Overviews: 11631x4511, 5815x2255, 2907x1127, 1453x563, 726x281, 363x140

Band 3 Block=256x256 Type=Byte, ColorInterp=Blue

  Description = Blue

  Overviews: 11631x4511, 5815x2255, 2907x1127, 1453x563, 726x281, 363x140

---------------------------------------------------------------------------------------

**mapserv -v**

MapServer version 7.0.4 OUTPUT=PNG OUTPUT=JPEG OUTPUT=KML SUPPORTS=PROJ SUPPORTS=AGG SUPPORTS=FREETYPE SUPPORTS=CAIRO SUPPORTS=SVG_SYMBOLS SUPPORTS=RSVG SUPPORTS=ICONV SUPPORTS=FRIBIDI SUPPORTS=WMS_SERVER SUPPORTS=WMS_CLIENT SUPPORTS=WFS_SERVER SUPPORTS=WFS_CLIENT SUPPORTS=WCS_SERVER SUPPORTS=SOS_SERVER SUPPORTS=FASTCGI SUPPORTS=THREADS SUPPORTS=GEOS INPUT=JPEG INPUT=POSTGIS INPUT=OGR INPUT=GDAL INPUT=SHAPEFILE

----------------------------------------------------------------------------------------

**gdalinfo --version**

GDAL 2.3.3, released 2018/12/14

------------------------------------------------

**libecwj2-3.3**

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