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[2002-01-22 13:04 UTC] uklaus at hgb-leipzig dot de
I built httpd daemon with php-4.1.1 with the following shared libraries
# ldd /usr/local/apache/bin/httpd
libpam.so.1 => /usr/lib/libpam.so.1
libdl.so.1 => /usr/lib/libdl.so.1
libpdf.so.1 => /usr/local/lib/libpdf.so.1
libtiff.so.3 => /usr/local/lib/libtiff.so.3
libpng.so.3 => /usr/local/lib/libpng.so.3
libz.so => /usr/local/lib/libz.so
libmysqlclient.so.6 => /usr/local/mysql/lib/libmysqlclient.so.6
libmcrypt.so.4 => /usr/local/lib/libmcrypt.so.4
libltdl.so.3 => /usr/local/lib/libltdl.so.3
libintl.so.1 => /usr/lib/libintl.so.1
libt1.so.1 => /usr/local/lib/libt1.so.1
libX11.so.4 => /usr/lib/libX11.so.4
libXpm.so.4.10 => /usr/lib/libXpm.so.4.10
libresolv.so.2 => /usr/lib/libresolv.so.2
libm.so.1 => /usr/lib/libm.so.1
libsocket.so.1 => /usr/lib/libsocket.so.1
libnsl.so.1 => /usr/lib/libnsl.so.1
libc.so.1 => /usr/lib/libc.so.1
libexpat.so.0 => /usr/local/lib/libexpat.so.0
libucb.so.1 => /usr/ucblib/libucb.so.1
libelf.so.1 => /usr/lib/libelf.so.1
libXext.so.0 => /usr/openwin/lib/libXext.so.0
libmp.so.2 => /usr/lib/libmp.so.2
/usr/platform/SUNW,Ultra-4/lib/libc_psr.so.1
If I execute the following php script
<?php
$im = ImageCreateFromPng("testbild.png");
ImagePng($im);
?>
the httpd daemon died with segmentation fault:
[Tue Jan 22 18:51:36 2002] [notice] child pid 26589 exit signal Segmentation Fault (11)
#gdb /usr/local/apache/bin/httpd
GNU gdb 4.17
Copyright 1998 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 "sparc-sun-solaris2.6"...(no debugging symbols found)...
(gdb) run -X -f /usr/local/apache/conf/httpd.conf
Starting program: /usr/local/apache/bin/httpd -X -f /usr/local/apache/conf/httpd.conf
(no debugging symbols found)...(no debugging symbols found)...warning: Lowest section in /usr/lib/libintl.so.1 is .dynamic at 0x74
Program received signal SIGSEGV, Segmentation fault.
0x59d3fec4 in ?? ()
(gdb) bt
#0 0x59d3fec4 in ?? ()
#1 0xef5f721c in png_create_write_struct_2 ()
#2 0xef5f7e28 in png_create_write_struct ()
#3 0x1ed6b0 in jpeg_std_error ()
#4 0x667c0 in _init ()
#5 0x68660 in _init ()
#6 0x13821c in flock ()
#7 0x116d98 in flock ()
#8 0x59f6c in _init ()
#9 0x121214 in flock ()
#10 0x564cc in _init ()
#11 0x56538 in _init ()
#12 0x19596c in flock ()
#13 0x1b3df8 in flock ()
#14 0x1b3e7c in flock ()
#15 0x1a72d0 in flock ()
#16 0x1a758c in flock ()
#17 0x1a77a8 in flock ()
#18 0x1a81dc in flock ()
#19 0x1a8e3c in flock ()
(gdb) q
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libpng-1.2.1 is used. # ls -lai /usr/local/lib/libpng* 79753 -rw-r--r-- 1 root other 205456 Jan 22 18:50 /usr/local/lib/libpng.a 79886 lrwxrwxrwx 1 root other 11 Jan 22 18:50 /usr/local/lib/libpng.so -> libpng.so.3 79776 lrwxrwxrwx 1 root other 17 Jan 22 18:50 /usr/local/lib/libpng.so.3 -> libpng.so.3.1.2.1 79775 -rwxr-xr-x 1 root other 177504 Jan 22 18:50 /usr/local/lib/libpng.so.3.1.2.1Can you try 1.2.0? I found some major updates. ---- CHANGES version 1.2.1beta1 [October 19, 2001] Revised makefile.std in contrib/pngminus Include background_1 in png_struct regardless of gamma support. Revised makefile.netbsd and makefile.macosx, added makefile.darwin. Revised example.c to provide more details about using row_callback(). version 1.2.1beta2 [October 25, 2001] Added type cast to each NULL appearing in a function call, except for WINCE functions. Added makefile.so9. version 1.2.1beta3 [October 27, 2001] Removed type casts from all NULLs. Simplified png_create_struct_2(). version 1.2.1beta4 [November 7, 2001] Revised png_create_info_struct() and png_creat_struct_2(). Added error message if png_write_info() was omitted. Type cast NULLs appearing in function calls when _NO_PROTO or PNG_TYPECAST_NULL is defined. version 1.2.1rc1 [November 24, 2001] Type cast NULLs appearing in function calls except when PNG_NO_TYPECAST_NULL is defined. Changed typecast of "size" argument to png_size_t in pngmem.c calls to the user malloc_fn, to agree with the prototype in png.h Added a pop/push operation to pnggccrd.c, to preserve Eflag (Maxim Sobolev) Updated makefile.sgi to recognize LIBPATH and INCPATH. Updated various makefiles so "make clean" does not remove previous major version of the shared library. version 1.2.1rc2 [December 4, 2001] Added a pop/push operation to pngvcrd.c, to preserve Eflag. Always allocate 256-entry internal palette, hist, and trans arrays, to avoid out-of-bounds memory reference caused by invalid PNG datastreams. Added a check for prefix_length > data_length in iCCP chunk handler. version 1.2.1 [December 12, 2001] None.