Merge branch 'PHP-7.2' into PHP-7.3

* PHP-7.2:
Fix #77919: Potential UAF in Phar RSHUTDOWN
Update NEWS
Fix bug #78256 (heap-buffer-overflow on exif_process_user_comment)

Merge branch 'PHP-7.2' into PHP-7.3

* PHP-7.2:
Fix #77919: Potential UAF in Phar RSHUTDOWN
Update NEWS
Fix bug #78256 (heap-buffer-overflow on exif_process_user_comment)
Fix bug #78222 (heap-buffer-overflow on exif_scan_thumbnail)

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Merge branch 'PHP-7.1' into PHP-7.2

* PHP-7.1:
Fix #77919: Potential UAF in Phar RSHUTDOWN
Update NEWS
Fix bug #78256 (heap-buffer-overflow on exif_process_user_comment)

Merge branch 'PHP-7.1' into PHP-7.2

* PHP-7.1:
Fix #77919: Potential UAF in Phar RSHUTDOWN
Update NEWS
Fix bug #78256 (heap-buffer-overflow on exif_process_user_comment)
Fix bug #78222 (heap-buffer-overflow on exif_scan_thumbnail)

show more ...

Fixed bug #78333

Don't dereference float/double values at unknown address, instead
memcpy it into an aligned stack slot and dereference that.

Merge branch 'PHP-7.4'

Merge branch 'PHP-7.3' into PHP-7.4

Merge branch 'PHP-7.2' into PHP-7.3

Fixed bug #78333

Don't dereference float/double values at unknown address, instead
memcpy it into an aligned stack slot and dereference that.

Fix bug #78256 (heap-buffer-overflow on exif_process_user_comment)

Fix bug #78222 (heap-buffer-overflow on exif_scan_thumbnail)

Merge branch 'PHP-7.4'

Report errors from stream read and write operations

The php_stream_read() and php_stream_write() functions now return
an ssize_t value, with negative results indicating failure. Function

Report errors from stream read and write operations

The php_stream_read() and php_stream_write() functions now return
an ssize_t value, with negative results indicating failure. Functions
like fread() and fwrite() will return false in that case.

As a special case, EWOULDBLOCK and EAGAIN on non-blocking streams
should not be regarded as error conditions, and be reported as
successful zero-length reads/writes instead. The handling of EINTR
remains unclear and is internally inconsistent (e.g. some code-paths
will automatically retry on EINTR, while some won't).

I'm landing this now to make sure the stream wrapper ops API changes
make it into 7.4 -- however, if the user-facing changes turn out to
be problematic we have the option of clamping negative returns to
zero in php_stream_read() and php_stream_write() to restore the
old behavior in a relatively non-intrusive manner.

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Merge branch 'PHP-7.4'

* PHP-7.4:
Simplify expression and remove the possibility of div by 0

Simplify expression and remove the possibility of div by 0

Maybe should use exp2() but not sure about how supported it is.

Merge branch 'PHP-7.4'

Fix shift UB in php_ifd_get32s

Add do...while(0) for RETURN_* and ZVAL_* APIs

Closes GH-4255.

Merge branch 'PHP-7.4'

Allow exceptions in __toString()

RFC: https://wiki.php.net/rfc/tostring_exceptions

And convert some object to string conversion related recoverable
fatal errors into Error excep

Allow exceptions in __toString()

RFC: https://wiki.php.net/rfc/tostring_exceptions

And convert some object to string conversion related recoverable
fatal errors into Error exceptions.

Improve exception safety of internal code performing string
conversions.

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Merge branch 'PHP-7.4'

* PHP-7.4:
Fix bug #77988 - heap-buffer-overflow on php_jpg_get16

Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
Fix bug #77988 - heap-buffer-overflow on php_jpg_get16

Merge branch 'PHP-7.2' into PHP-7.3

* PHP-7.2:
Fix bug #77988 - heap-buffer-overflow on php_jpg_get16

Merge branch 'PHP-7.1' into PHP-7.2

* PHP-7.1:
Fix bug #77988 - heap-buffer-overflow on php_jpg_get16

Fix bug #77988 - heap-buffer-overflow on php_jpg_get16

Merge branch 'PHP-7.4'

* PHP-7.4:
Fix bug #77950 - Heap-buffer-overflow in _estrndup via exif_process_IFD_TAG

Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
Fix bug #77950 - Heap-buffer-overflow in _estrndup via exif_process_IFD_TAG