Bug #79336 [NEW]: ext/exif/tests/bug79046.phpt fails on Big endian arch

From: vibhutisawant18 at gmail dot com Operating system: Ubuntu 16.04 PHP version: master-Git-2020-03-03 (Git) Package: EXIF related Bug Type: Bug Bug description:ext/exif/tests/bug79046.phpt fails on Big endian arch Description: ------------ NaN to int cast undefined behavior in exif [ext/exif/tests/bug79046.phpt] Above TC fails on big endian architecture, the expected value for StripOffsets is NAN whereas that returned on Big endian is float(8.9143601808023E-41) Could you please guide us on how to go about it. PFA test case logs on Little and Big endian Architecture. Little Endian: test@a2a9ec71b826:~/php/php-src$ ./sapi/cli/php -f "ext/exif/tests/bug79046.phpt" --TEST-- Bug #79046: NaN to int cast undefined behavior in exif --FILE-- array(8) { ["FileDateTime"]=> int(0) ["FileSize"]=> int(33) ["FileType"]=> int(8) ["MimeType"]=> string(10) "image/tiff" ["SectionsFound"]=> string(24) "ANY_TAG, IFD0, THUMBNAIL" ["COMPUTED"]=> array(2) { ["IsColor"]=> int(0) ["ByteOrderMotorola"]=> int(1) } ["StripOffsets"]=> float(NAN) ["THUMBNAIL"]=> array(1) { ["StripOffsets"]=> float(NAN) } } Big endian: --TEST-- Bug #79046: NaN to int cast undefined behavior in exif --FILE-- array(8) { ["FileDateTime"]=> int(0) ["FileSize"]=> int(33) ["FileType"]=> int(8) ["MimeType"]=> string(10) "image/tiff" ["SectionsFound"]=> string(24) "ANY_TAG, IFD0, THUMBNAIL" ["COMPUTED"]=> array(2) { ["IsColor"]=> int(0) ["ByteOrderMotorola"]=> int(1) } ["StripOffsets"]=> float(8.9143601808023E-41) ["THUMBNAIL"]=> array(1) { ["StripOffsets"]=> float(8.9143601808023E-41) } } -- Edit bug report at https://bugs.php.net/bug.php?id=79336&edit=1 -- Fix committed: https://bugs.php.net/fix.php?id=79336&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=79336&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=79336&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=79336&r=needscript Try newer version: https://bugs.php.net/fix.php?id=79336&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=79336&r=support Expected behavior: https://bugs.php.net/fix.php?id=79336&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=79336&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=79336&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=79336&r=globals PHP version support discontinued: https://bugs.php.net/fix.php?id=79336&r=phptooold Daylight Savings: https://bugs.php.net/fix.php?id=79336&r=dst IIS Stability: https://bugs.php.net/fix.php?id=79336&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=79336&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=79336&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=79336&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=79336&r=mysqlcfg