PHP 4.0 Bug #3109: trim(`pwd`) causing crash

From: brad@youreshop.com Operating system: Linux Redhat 6.1 PHP version: 4.0 Beta 3 PHP Bug Type: Reproduceable crash Bug description: trim(pwd) causing crash Test Script: echo trim(pwd); Configure line: --with-apache --with-mysql --with-gd --enable-track-vars #0 php_trim (str=0x8264748, return_value=0x8261278, mode=3) at string.c:133 #1 0x80dcdf7 in php_if_trim (ht=1, return_value=0x8261278, list=0x81ee9b4, plist=0x81ee9e0, this_ptr=0x0, return_value_used=1) at string.c:191 #2 0x80f120d in execute (op_array=0x825faf0) at ./zend_execute.c:1525 #3 0x808b310 in php_execute_script (primary_file=0xbffffafc) at main.c:1274 #4 0x80a7601 in apache_php_module_main (r=0x824a87c, fd=48, display_source_mode=0) at sapi_apache.c:86 #5 0x8089843 in send_php () #6 0x8089888 in send_parsed_php () #7 0x80fc643 in ap_invoke_handler () #8 0x810fa79 in process_request_internal () #9 0x810fadc in ap_process_request () #10 0x810747c in child_main () #11 0x810760c in make_child () #12 0x8107769 in startup_children () #13 0x8107d96 in standalone_main () #14 0x8108513 in main () #15 0x400fa1eb in __libc_start_main (main=0x81081dc <main>, argc=2, argv=0xbffffcb4, init=0x806ebb0 <_init>, fini=0x81876cc <_fini>, rtld_fini=0x4000a610 <_dl_fini>, stack_end=0xbffffcac) at ../sysdeps/generic/libc-start.c:90