Bug #16841 Updated: imagepng() segfaults

ID: 16841 Updated by: daniel@pressure.net.nz Reported By: daniel@pressure.net.nz -Status: Feedback +Status: Open Bug Type: GD related Operating System: Linux PHP Version: 4.2.0 New Comment: I got it to work ok by removing the --with-pdflib from my configure. There's something over at http://www.pdflib.com/pdflib/patches.html which sounds almost relevant (although it affects TIFF routines). I'm running pdflib 4.0.2 Previous Comments: ------------------------------------------------------------------------ [2002-04-26 02:23:04] derick@php.net Not closing yet... ------------------------------------------------------------------------ [2002-04-26 02:21:36] derick@php.net I think this is the same libgd / libpng 1.2 incompability as we saw before. If you downgrade to libpng 1.0.9 it should work fine. Can you try this? Derick ------------------------------------------------------------------------ [2002-04-26 01:00:32] rasmus@php.net Tested here as well and not able to reproduce. I got a proper PNG. (PHP HEAD and GD-2.0.1) This smells like a local libpng problem to me. The segfault is deep inside libpng. ------------------------------------------------------------------------ [2002-04-25 23:00:47] mfischer@php.net This one looks really strange. It looks like your libpng has some problems. I've the same libs installed and just tested it and it works wihout problems. Can you try cleanly uninstalling it completely from your system and re-installing it [libpng] (best is to try a stable release directly and not the same as you had intalled already on your system). ------------------------------------------------------------------------ [2002-04-25 22:50:44] daniel@pressure.net.nz backtrace follows: #0 0xa81 in ?? () #1 0x400d1468 in png_create_write_struct_2 () from /usr/lib/libpng.so.3 #2 0x400d12c9 in png_create_write_struct () from /usr/lib/libpng.so.3 #3 0x8169099 in gdImagePngCtx () #4 0x80ef360 in _php_image_output_ctx (ht=1, return_value=0x8210fe4, this_ptr=0x0, return_value_used=0, image_type=2, tn=0x8187b4b "PNG", func_p=0x8169030 <gdImagePngCtx>) at gd_ctx.c:94 #5 0x80f14be in zif_imagepng (ht=1, return_value=0x8210fe4, this_ptr=0x0, return_value_used=0) at gd.c:1479 #6 0x815436a in execute (op_array=0x82111ac) at ./zend_execute.c:1598 #7 0x80cf919 in zend_execute_scripts (type=8, retval=0x0, file_count=3) at zend.c:810 #8 0x806b3f1 in php_execute_script (primary_file=0xbffff9c4) at main.c:1381 #9 0x8065821 in main (argc=2, argv=0xbffffa54) at cgi_main.c:785 #10 0x4019774f in __libc_start_main () from /lib/libc.so.6 ------------------------------------------------------------------------ The remainder of the comments for this report are too long. To view the rest of the comments, please view the bug report online at http://bugs.php.net/16841 -- Edit this bug report at http://bugs.php.net/?id=16841&edit=1