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[2004-05-18 11:49 UTC] mg at connection-net dot de
Description:
------------
php cli crashes when accessing the filenames of a FAM event.
Reproduce code:
---------------
while (fam_pending($this->fam)) {
$event = fam_next_event($this->fam);
$code = $event["code"];
$filename = $event["filename"];
if (($code == FAMCreated) || ($code == 8) || ($code == 1)) {
$tmp = "Test";
if ($filename == $tmp) echo "1";
}
}
Actual result:
--------------
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 16384 (LWP 28225)]
0x4061a37b in strlen () from /lib/libc.so.6
(gdb) bt
#0 0x4061a37b in strlen () from /lib/libc.so.6
#1 0x081e11f3 in add_assoc_string_ex (arg=0x40a8c863,
key=0x40a8c863 <Address 0x40a8c863 out of bounds>, key_len=1084803171,
str=0x40a8c863 <Address 0x40a8c863 out of bounds>, duplicate=1082028080)
at /usr/src/php-5.0.0RC2/Zend/zend_API.c:794
#2 0x080a2a04 in zif_fam_next_event (ht=1084803171, return_value=0x40a8c863, this_ptr=0x0,
return_value_used=1) at /usr/src/php-5.0.0RC2/ext/fam/fam.c:428
#3 0x081fe81a in zend_do_fcall_common_helper (execute_data=0xbfffccb0, opline=0x407e7014,
op_array=0x407e5114) at /usr/src/php-5.0.0RC2/Zend/zend_execute.c:2699
#4 0x081fb599 in execute (op_array=0x407e5114)
at /usr/src/php-5.0.0RC2/Zend/zend_execute.c:1391
#5 0x081fe60c in zend_do_fcall_common_helper (execute_data=0xbfffd030, opline=0x407df938,
op_array=0x407de9b4) at /usr/src/php-5.0.0RC2/Zend/zend_execute.c:2728
#6 0x081fb599 in execute (op_array=0x407de9b4)
at /usr/src/php-5.0.0RC2/Zend/zend_execute.c:1391
#7 0x081dfbe4 in zend_execute_scripts (type=8, retval=0x0, file_count=3)
at /usr/src/php-5.0.0RC2/Zend/zend.c:1058
#8 0x081accad in php_execute_script (primary_file=0xbffff3e0)
at /usr/src/php-5.0.0RC2/main/main.c:1630
#9 0x08207106 in main (argc=2, argv=0xbffff464)
at /usr/src/php-5.0.0RC2/sapi/cli/php_cli.c:943
#10 0x405b8dcc in __libc_start_main () from /lib/libc.so.6
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Last updated: Sat Dec 21 14:01:32 2024 UTC |
it seems to be some problem with the fe.hostname in fam.c, when commented out, it does not crash anymore. Fam version is 2.7.0. --- fam.c~ 2004-05-18 11:52:39.564138166 +0200 +++ fam.c 2004-05-18 11:52:39.581135676 +0200 @@ -424,8 +424,8 @@ RETURN_FALSE; array_init(return_value); - if (fe.hostname) - add_assoc_string(return_value, "hostname", fe.hostname, 1); +// if (fe.hostname) +// add_assoc_string(return_value, "hostname", fe.hostname, 1); add_assoc_string(return_value, "filename", fe.filename, 1); add_assoc_long(return_value, "code", fe.code); }