> > My apache on RedHat 6.2 crashes when I try to create a shm block using
> > sysvshm. Can anyone reproduce this? I'm trying to cut down the offending
> > script to the smallest example possible. Will post more details later.
>
> Please post a backtrace too while you're at it.
This is rather critical for the many of my applications (and anybody else
who uses sysvshm).
The problems seems tho be shm_remove.
Test case:
$key=0x5432;
$id=shm_attach($key, 4096);
shm_remove($key);
Backtrace:
Program received signal SIGSEGV, Segmentation fault.
0x80ac569 in zif_shm_remove (ht=1, return_value=0x814f164, this_ptr=0x0,
return_value_used=0) at sysvshm.c:211
211 if(shmctl(shm_list_ptr->id,IPC_RMID,NULL)<0) {
(gdb) bt
#0 0x80ac569 in zif_shm_remove (ht=1, return_value=0x814f164, this_ptr=0x0,
return_value_used=0) at sysvshm.c:211
#1 0x80ea2d1 in execute (op_array=0x814f234) at ./zend_execute.c:1590
#2 0x80c6fdc in zend_execute_scripts (type=8, retval=0x0, file_count=3) at
zend.c:814
#3 0x805b42e in php_execute_script (primary_file=0x7ffff910) at main.c:1309
#4 0x8058eea in main (argc=3, argv=0x7ffff984) at cgi_main.c:738
Configure:
./configure --without-pear --disable-short-tags --without-pcre-regex --disa
ble-posix --disable-session --disable-xml --disable-wddx --without-mysql --e
nable-sysvshm --enable-debug
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