Bug #75452 [NEW]: ftp_nb_get_large.phpt generates valgrind warnings

From: nikic Operating system: PHP version: 7.2.0RC5 Package: FTP related Bug Type: Bug Bug description:ftp_nb_get_large.phpt generates valgrind warnings Description: ------------ This problem did not exist in PHP 7.1. ==21348== Invalid read of size 8 ==21348== at 0x99B7EB: _php_stream_free (streams.c:372) ==21348== by 0x66F4FF: ftp_close (ftp.c:171) ==21348== by 0x66B922: ftp_destructor_ftpbuf (php_ftp.c:317) ==21348== by 0xA5D26F: zend_resource_dtor (zend_list.c:76) ==21348== by 0xA5D88E: zend_close_rsrc (zend_list.c:230) ==21348== by 0xA5A215: zend_hash_reverse_apply (zend_hash.c:1597) ==21348== by 0xA5D8B4: zend_close_rsrc_list (zend_list.c:238) ==21348== by 0xA2051B: shutdown_executor (zend_execute_API.c:262) ==21348== by 0xA3F10F: zend_deactivate (zend.c:1036) ==21348== by 0x975F0D: php_request_shutdown (main.c:1904) ==21348== by 0xB45F99: do_cli (php_cli.c:1178) ==21348== by 0xB46940: main (php_cli.c:1404) ==21348== Address 0x92d59e0 is 144 bytes inside a block of size 224 free'd ==21348== at 0x4C2EDEB: free (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==21348== by 0x9FA9B5: _efree (zend_alloc.c:2444) ==21348== by 0x99BD03: _php_stream_free (streams.c:510) ==21348== by 0x99E67F: stream_resource_regular_dtor (streams.c:1588) ==21348== by 0xA5D26F: zend_resource_dtor (zend_list.c:76) ==21348== by 0xA5D88E: zend_close_rsrc (zend_list.c:230) ==21348== by 0xA5A215: zend_hash_reverse_apply (zend_hash.c:1597) ==21348== by 0xA5D8B4: zend_close_rsrc_list (zend_list.c:238) ==21348== by 0xA2051B: shutdown_executor (zend_execute_API.c:262) ==21348== by 0xA3F10F: zend_deactivate (zend.c:1036) ==21348== by 0x975F0D: php_request_shutdown (main.c:1904) ==21348== by 0xB45F99: do_cli (php_cli.c:1178) ==21348== Block was alloc'd at ==21348== at 0x4C2DB8F: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==21348== by 0x9FBA4C: __zend_malloc (zend_alloc.c:2829) ==21348== by 0x9FA83A: _emalloc (zend_alloc.c:2429) ==21348== by 0x99B42E: _php_stream_alloc (streams.c:273) ==21348== by 0x9A531E: _php_stream_fopen_from_fd_int (plain_wrapper.c:186) ==21348== by 0x9A5691: _php_stream_fopen_from_fd (plain_wrapper.c:248) ==21348== by 0x9A6CBB: _php_stream_fopen (plain_wrapper.c:1024) ==21348== by 0x9A6F10: php_plain_files_stream_opener (plain_wrapper.c:1080) ==21348== by 0x9A00BE: _php_stream_open_wrapper_ex (streams.c:2024) ==21348== by 0x66D75E: zif_ftp_nb_get (php_ftp.c:1042) ==21348== by 0xAAEA62: ZEND_DO_ICALL_SPEC_RETVAL_UNUSED_HANDLER (zend_vm_execute.h:573) ==21348== by 0xB3D1B4: execute_ex (zend_vm_execute.h:59734) ==21348== ==21348== Invalid read of size 4 ==21348== at 0x99B815: _php_stream_free (streams.c:375) ==21348== by 0x66F4FF: ftp_close (ftp.c:171) ==21348== by 0x66B922: ftp_destructor_ftpbuf (php_ftp.c:317) ==21348== by 0xA5D26F: zend_resource_dtor (zend_list.c:76) ==21348== by 0xA5D88E: zend_close_rsrc (zend_list.c:230) ==21348== by 0xA5A215: zend_hash_reverse_apply (zend_hash.c:1597) ==21348== by 0xA5D8B4: zend_close_rsrc_list (zend_list.c:238) ==21348== by 0xA2051B: shutdown_executor (zend_execute_API.c:262) ==21348== by 0xA3F10F: zend_deactivate (zend.c:1036) ==21348== by 0x975F0D: php_request_shutdown (main.c:1904) ==21348== by 0xB45F99: do_cli (php_cli.c:1178) ==21348== by 0xB46940: main (php_cli.c:1404) ==21348== Address 0x92d59c4 is 116 bytes inside a block of size 224 free'd ==21348== at 0x4C2EDEB: free (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==21348== by 0x9FA9B5: _efree (zend_alloc.c:2444) ==21348== by 0x99BD03: _php_stream_free (streams.c:510) ==21348== by 0x99E67F: stream_resource_regular_dtor (streams.c:1588) ==21348== by 0xA5D26F: zend_resource_dtor (zend_list.c:76) ==21348== by 0xA5D88E: zend_close_rsrc (zend_list.c:230) ==21348== by 0xA5A215: zend_hash_reverse_apply (zend_hash.c:1597) ==21348== by 0xA5D8B4: zend_close_rsrc_list (zend_list.c:238) ==21348== by 0xA2051B: shutdown_executor (zend_execute_API.c:262) ==21348== by 0xA3F10F: zend_deactivate (zend.c:1036) ==21348== by 0x975F0D: php_request_shutdown (main.c:1904) ==21348== by 0xB45F99: do_cli (php_cli.c:1178) ==21348== Block was alloc'd at ==21348== at 0x4C2DB8F: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==21348== by 0x9FBA4C: __zend_malloc (zend_alloc.c:2829) ==21348== by 0x9FA83A: _emalloc (zend_alloc.c:2429) ==21348== by 0x99B42E: _php_stream_alloc (streams.c:273) ==21348== by 0x9A531E: _php_stream_fopen_from_fd_int (plain_wrapper.c:186) ==21348== by 0x9A5691: _php_stream_fopen_from_fd (plain_wrapper.c:248) ==21348== by 0x9A6CBB: _php_stream_fopen (plain_wrapper.c:1024) ==21348== by 0x9A6F10: php_plain_files_stream_opener (plain_wrapper.c:1080) ==21348== by 0x9A00BE: _php_stream_open_wrapper_ex (streams.c:2024) ==21348== by 0x66D75E: zif_ftp_nb_get (php_ftp.c:1042) ==21348== by 0xAAEA62: ZEND_DO_ICALL_SPEC_RETVAL_UNUSED_HANDLER (zend_vm_execute.h:573) ==21348== by 0xB3D1B4: execute_ex (zend_vm_execute.h:59734) -- Edit bug report at https://bugs.php.net/bug.php?id=75452&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=75452&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=75452&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=75452&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=75452&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=75452&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=75452&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=75452&r=needscript Try newer version: https://bugs.php.net/fix.php?id=75452&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=75452&r=support Expected behavior: https://bugs.php.net/fix.php?id=75452&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=75452&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=75452&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=75452&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=75452&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=75452&r=dst IIS Stability: https://bugs.php.net/fix.php?id=75452&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=75452&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=75452&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=75452&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=75452&r=mysqlcfg