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[2016-05-11 13:59 UTC] marcelo at tpn dot com dot br
Description:
------------
PHP built with libconv crashes after iconv() is called
Here are the test results:
1) Without libiconv installed
# php -i | grep ^iconv
iconv
iconv support => enabled
iconv implementation => unknown
iconv library version => unknown
iconv.input_encoding => no value => no value
iconv.internal_encoding => no value => no value
iconv.output_encoding => no value => no value
# php -r 'echo iconv("UTF-8", "UTF-8", "Hello, world.\n");'
Hello, world.
2) With libiconv installed
# php -i | grep ^iconv
iconv
iconv support => enabled
iconv implementation => libiconv
iconv library version => 1.14
iconv.input_encoding => no value => no value
iconv.internal_encoding => no value => no value
iconv.output_encoding => no value => no value
# php -r 'echo iconv("UTF-8", "UTF-8", "Hello, world.\n");'
Bus error (core dumped)
# gdb /usr/local/bin/php /tmp/php.core
GNU gdb 6.1.1 [FreeBSD]
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "amd64-marcel-freebsd"...
Core was generated by `php'.
Program terminated with signal 10, Bus error.
Reading symbols from /lib/libcrypt.so.5...done.
Loaded symbols for /lib/libcrypt.so.5
Reading symbols from /usr/local/lib/libiconv.so.2...done.
Loaded symbols for /usr/local/lib/libiconv.so.2
Reading symbols from /usr/lib/librt.so.1...done.
Loaded symbols for /usr/lib/librt.so.1
Reading symbols from /lib/libm.so.5...done.
Loaded symbols for /lib/libm.so.5
Reading symbols from /usr/local/lib/libxml2.so.2...done.
Loaded symbols for /usr/local/lib/libxml2.so.2
Reading symbols from /lib/libz.so.6...done.
Loaded symbols for /lib/libz.so.6
Reading symbols from /lib/libc.so.7...done.
Loaded symbols for /lib/libc.so.7
Reading symbols from /lib/libthr.so.3...done.
Loaded symbols for /lib/libthr.so.3
Reading symbols from /usr/lib/liblzma.so.5...done.
Loaded symbols for /usr/lib/liblzma.so.5
Reading symbols from /libexec/ld-elf.so.1...done.
Loaded symbols for /libexec/ld-elf.so.1
#0 0x00000008022700d1 in __bsd_iconv () from /lib/libc.so.7
[New Thread 803006400 (LWP 100060/<unknown>)]
(gdb) bt
#0 0x00000008022700d1 in __bsd_iconv () from /lib/libc.so.7
#1 0x00000000006c4c8d in php_iconv_string (in_p=0x8034018d8 "Hello, world.\n", in_len=14, out=0x7fffffffdce8, out_charset=0x80345eb58 "UTF-8", in_charset=0x80345eb58 "UTF-8") at iconv.c:654
#2 0x00000000006c2f14 in php_if_iconv (execute_data=0x8034130a0, return_value=0x803413090) at iconv.c:2462
#3 0x0000000000a1eea3 in ZEND_DO_ICALL_SPEC_HANDLER (execute_data=0x803413030) at zend_vm_execute.h:586
#4 0x00000000009bc0b4 in execute_ex (ex=0x803413030) at zend_vm_execute.h:417
#5 0x00000000009bc223 in zend_execute (op_array=0x80347c000, return_value=0x7fffffffdea0) at zend_vm_execute.h:458
#6 0x000000000093610a in zend_eval_stringl (str=0x7fffffffed4f "echo iconv(\"UTF-8\", \"UTF-8\", \"Hello, world.\\n\");", str_len=48, retval_ptr=0x0,
string_name=0xe8bc45 "Command line code") at zend_execute_API.c:1135
#7 0x0000000000936341 in zend_eval_stringl_ex (str=0x7fffffffed4f "echo iconv(\"UTF-8\", \"UTF-8\", \"Hello, world.\\n\");", str_len=48, retval_ptr=0x0,
string_name=0xe8bc45 "Command line code", handle_exceptions=1) at zend_execute_API.c:1176
#8 0x00000000009363e3 in zend_eval_string_ex (str=0x7fffffffed4f "echo iconv(\"UTF-8\", \"UTF-8\", \"Hello, world.\\n\");", retval_ptr=0x0, string_name=0xe8bc45 "Command line code",
handle_exceptions=1) at zend_execute_API.c:1187
#9 0x0000000000a522f6 in do_cli (argc=3, argv=0x7fffffffeae8) at php_cli.c:1005
#10 0x0000000000a51029 in main (argc=3, argv=0x7fffffffeae8) at php_cli.c:1344
(gdb) bt full
#0 0x00000008022700d1 in __bsd_iconv () from /lib/libc.so.7
No symbol table info available.
#1 0x00000000006c4c8d in php_iconv_string (in_p=0x8034018d8 "Hello, world.\n", in_len=14, out=0x7fffffffdce8, out_charset=0x80345eb58 "UTF-8", in_charset=0x80345eb58 "UTF-8") at iconv.c:654
cd = 0x8031140c0
in_left = 14
out_size = 0
out_left = 46
out_p = 0x8034720f8 ""
bsz = 46
result = 0
retval = PHP_ICONV_ERR_SUCCESS
out_buf = (zend_string *) 0x8034720e0
ignore_ilseq = 0
#2 0x00000000006c2f14 in php_if_iconv (execute_data=0x8034130a0, return_value=0x803413090) at iconv.c:2462
in_charset = 0x80345eb58 "UTF-8"
out_charset = 0x80345eb58 "UTF-8"
in_buffer = (zend_string *) 0x8034018c0
in_charset_len = 5
out_charset_len = 5
err = PHP_ICONV_ERR_ALLOC
out_buffer = (zend_string *) 0x0
#3 0x0000000000a1eea3 in ZEND_DO_ICALL_SPEC_HANDLER (execute_data=0x803413030) at zend_vm_execute.h:586
opline = (const zend_op *) 0x80347c180
call = (zend_execute_data *) 0x8034130a0
fbc = (zend_function *) 0x8030c1dc0
ret = (zval *) 0x803413090
#4 0x00000000009bc0b4 in execute_ex (ex=0x803413030) at zend_vm_execute.h:417
ret = 0
execute_data = (zend_execute_data *) 0x803413030
#5 0x00000000009bc223 in zend_execute (op_array=0x80347c000, return_value=0x7fffffffdea0) at zend_vm_execute.h:458
execute_data = (zend_execute_data *) 0x803413030
#6 0x000000000093610a in zend_eval_stringl (str=0x7fffffffed4f "echo iconv(\"UTF-8\", \"UTF-8\", \"Hello, world.\\n\");", str_len=48, retval_ptr=0x0,
string_name=0xe8bc45 "Command line code") at zend_execute_API.c:1135
__orig_bailout = (sigjmp_buf *) 0x7fffffffe7c0
__bailout = {{_sjb = {9658598, 0, 140737488346616, 140737488346896, 140737488349920, 140737488349960, 140737488349928, 3, 140737488290431, 4436701216774, 34414620728,
140733193388032}}}
local_retval = {value = {lval = 34414620672, dval = 1.7003081788693194e-313, counted = 0x803457000, str = 0x803457000, arr = 0x803457000, obj = 0x803457000, res = 0x803457000,
ref = 0x803457000, ast = 0x803457000, zv = 0x803457000, ptr = 0x803457000, ce = 0x803457000, func = 0x803457000, ww = {w1 = 54882304, w2 = 8}}, u1 = {v = {type = 0 '\0',
type_flags = 0 '\0', const_flags = 0 '\0', reserved = 0 '\0'}, type_info = 0}, u2 = {var_flags = 32767, next = 32767, cache_slot = 32767, lineno = 32767, num_args = 32767,
fe_pos = 32767, fe_iter_idx = 32767}}
pv = {value = {lval = 34414731264, dval = 1.7003136428401099e-313, counted = 0x803472000, str = 0x803472000, arr = 0x803472000, obj = 0x803472000, res = 0x803472000,
ref = 0x803472000, ast = 0x803472000, zv = 0x803472000, ptr = 0x803472000, ce = 0x803472000, func = 0x803472000, ww = {w1 = 54992896, w2 = 8}}, u1 = {v = {type = 6 '\006',
type_flags = 20 '\024', const_flags = 0 '\0', reserved = 0 '\0'}, type_info = 5126}, u2 = {var_flags = 0, next = 0, cache_slot = 0, lineno = 0, num_args = 0, fe_pos = 0,
fe_iter_idx = 0}}
new_op_array = (zend_op_array *) 0x80347c000
original_compiler_options = 2
retval = 54882416
#7 0x0000000000936341 in zend_eval_stringl_ex (str=0x7fffffffed4f "echo iconv(\"UTF-8\", \"UTF-8\", \"Hello, world.\\n\");", str_len=48, retval_ptr=0x0,
string_name=0xe8bc45 "Command line code", handle_exceptions=1) at zend_execute_API.c:1176
result = 1
#8 0x00000000009363e3 in zend_eval_string_ex (str=0x7fffffffed4f "echo iconv(\"UTF-8\", \"UTF-8\", \"Hello, world.\\n\");", retval_ptr=0x0, string_name=0xe8bc45 "Command line code",
handle_exceptions=1) at zend_execute_API.c:1187
No locals.
#9 0x0000000000a522f6 in do_cli (argc=3, argv=0x7fffffffeae8) at php_cli.c:1005
__orig_bailout = (sigjmp_buf *) 0x7fffffffe9b0
__bailout = {{_sjb = {10818544, 0, 140737488347032, 140737488349520, 140737488349920, 140737488349960, 140737488349928, 3, 15139711, 15150210, 15150224, 0}}}
c = -1
file_handle = {handle = {fd = 39419280, fp = 0x802597d90, stream = {handle = 0x802597d90, isatty = 9032672, mmap = {len = 9046320, pos = 9071088, map = 0x8a9ea0,
buf = 0x8b2b40 "UH\211?H\203?`H\213\005??\214", old_handle = 0x8a0960, old_closer = 0x11934a0 <cli_sapi_module>}, reader = 0, fsizer = 0x11934a0 <cli_sapi_module>,
closer = 0xe73711 <php_init_config.paths_separator+2>}}, filename = 0xe71b48 "-", opened_path = 0x0, type = ZEND_HANDLE_FP, free_filename = 0 '\0'}
behavior = 6
reflection_what = 0x0
request_started = 1
exit_status = 0
php_optarg = 0x7fffffffed4f "echo iconv(\"UTF-8\", \"UTF-8\", \"Hello, world.\\n\");"
orig_optarg = 0x0
php_optind = 3
orig_optind = 1
exec_direct = 0x7fffffffed4f "echo iconv(\"UTF-8\", \"UTF-8\", \"Hello, world.\\n\");"
exec_run = 0x0
exec_begin = 0x0
exec_end = 0x0
arg_free = 0x7fffffffed4f "echo iconv(\"UTF-8\", \"UTF-8\", \"Hello, world.\\n\");"
arg_excp = (char **) 0x7fffffffeaf8
script_file = 0x0
translated_path = 0x0
interactive = 0
lineno = 0
param_error = 0x0
hide_argv = 0
#10 0x0000000000a51029 in main (argc=3, argv=0x7fffffffeae8) at php_cli.c:1344
__orig_bailout = (sigjmp_buf *) 0x0
__bailout = {{_sjb = {10817537, 0, 140737488349528, 140737488349824, 140737488349920, 140737488349960, 140737488349928, 3, 140737488290687, 140737488349960, 140737488349928, 0}}}
c = -1
exit_status = 0
module_started = 1
sapi_started = 1
php_optarg = 0x7fffffffed4f "echo iconv(\"UTF-8\", \"UTF-8\", \"Hello, world.\\n\");"
php_optind = 3
use_extended_info = 0
ini_path_override = 0x0
ini_entries = 0x80301e080 "html_errors=0\nregister_argc_argv=1\nimplicit_flush=1\noutput_buffering=0\nmax_execution_time=0\nmax_input_time=-1\n"
ini_entries_len = 110
ini_ignore = 0
sapi_module = (sapi_module_struct *) 0x11934a0
(gdb) quit
Test script:
---------------
# php -r 'echo iconv("UTF-8", "UTF-8", "Hello, world.\n");'
Expected result:
----------------
Hello, world.
Actual result:
--------------
Bus error (core dumped)
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Last updated: Thu Oct 31 22:01:27 2024 UTC |
This PHP5.6 configuration seems to work. lxd: net12-rmt-si # php --version PHP 5.6.29-1+deb.sury.org~yakkety+1 (cli) Copyright (c) 1997-2016 The PHP Group Zend Engine v2.6.0, Copyright (c) 1998-2016 Zend Technologies with Zend OPcache v7.0.6-dev, Copyright (c) 1999-2016, by Zend Technologies with Xdebug v2.5.0, Copyright (c) 2002-2016, by Derick Rethans lxd: net12-rmt-si # php -i | grep ^iconv iconv iconv support => enabled iconv implementation => glibc iconv library version => 2.24 iconv.input_encoding => no value => no value iconv.internal_encoding => no value => no value iconv.output_encoding => no value => no value lxd: net12-rmt-si # php -r 'echo iconv("UTF-8", "UTF-8", "Hello, world.\n");' Hello, world.Same Problem. PHP-FPM crashes on FreeBSD 10.3 with PHP 5.6.30 and 7.0.14 if iconv is called bus error (core dumped) /usr/local/php56/bin/php -r 'echo iconv("UTF-8", "UTF-8", "Hello, world.\n");