Re: [ft-devel] Memory leak in cff fonts

[David Turner]

Oops sorry, this is fixed now, I forgot to change one parameter in a call
Guess I shouldn't be bugfixing while doing other things in parallel... :-)

Thanks,

- David


Werner LEMBERG a écrit :
> > I've recorded this as bug #16759, it is also now fixed in the CVS
> >     
>
> Hmm, I get the segfault below with
>
>    valgrind --leak-check=full ftview 20 F2.cff
>
> (F2.cff is the example font sent by Boris.)
>
>     Werner
>
>
> ======================================================================
>
>
> ==26040== Memcheck, a memory error detector.
> ==26040== Copyright (C) 2002-2005, and GNU GPL'd, by Julian Seward et al.
> ==26040== Using LibVEX rev 1313, a library for dynamic binary translation.
> ==26040== Copyright (C) 2004-2005, and GNU GPL'd, by OpenWorks LLP.
> ==26040== Using valgrind-3.0.1.SVN, a dynamic binary instrumentation framework.
> ==26040== Copyright (C) 2000-2005, and GNU GPL'd, by Julian Seward et al.
> ==26040== For more details, rerun with: -v
> ==26040== 
> ==26040== Invalid read of size 4
> ==26040==    at 0x8079596: cff_sid_to_glyph_name (cffcmap.c:128)
> ==26040==    by 0x80B5799: ps_unicodes_init (psmodule.c:211)
> ==26040==    by 0x807966F: cff_cmap_unicode_init (cffcmap.c:161)
> ==26040==    by 0x8056505: FT_CMap_New (ftobjs.c:2708)
> ==26040==    by 0x8075128: cff_face_init (cffobjs.c:701)
> ==26040==    by 0x8053F1D: open_face (ftobjs.c:987)
> ==26040==    by 0x8054DC1: FT_Open_Face (ftobjs.c:1694)
> ==26040==    by 0x8053FF2: FT_New_Face (ftobjs.c:1047)
> ==26040==    by 0x804BDBD: FTDemo_Install_Font (ftcommon.c:352)
> ==26040==    by 0x804B182: main (ftview.c:1071)
> ==26040==  Address 0x7D8 is not stack'd, malloc'd or (recently) free'd
> ==26040== 
> ==26040== Process terminating with default action of signal 11 (SIGSEGV)
> ==26040==  Access not within mapped region at address 0x7D8
> ==26040==    at 0x8079596: cff_sid_to_glyph_name (cffcmap.c:128)
> ==26040==    by 0x80B5799: ps_unicodes_init (psmodule.c:211)
> ==26040==    by 0x807966F: cff_cmap_unicode_init (cffcmap.c:161)
> ==26040==    by 0x8056505: FT_CMap_New (ftobjs.c:2708)
> ==26040==    by 0x8075128: cff_face_init (cffobjs.c:701)
> ==26040==    by 0x8053F1D: open_face (ftobjs.c:987)
> ==26040==    by 0x8054DC1: FT_Open_Face (ftobjs.c:1694)
> ==26040==    by 0x8053FF2: FT_New_Face (ftobjs.c:1047)
> ==26040==    by 0x804BDBD: FTDemo_Install_Font (ftcommon.c:352)
> ==26040==    by 0x804B182: main (ftview.c:1071)
> ==26040== 
> ==26040== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 19 from 1)
> ==26040== malloc/free: in use at exit: 44796 bytes in 61 blocks.
> ==26040== malloc/free: 77 allocs, 16 frees, 46430 bytes allocated.
> ==26040== For counts of detected errors, rerun with: -v
> ==26040== searching for pointers to 61 not-freed blocks.
> ==26040== checked 302836 bytes.
> ==26040== 
> ==26040== LEAK SUMMARY:
> ==26040==    definitely lost: 0 bytes in 0 blocks.
> ==26040==      possibly lost: 0 bytes in 0 blocks.
> ==26040==    still reachable: 44796 bytes in 61 blocks.
> ==26040==         suppressed: 0 bytes in 0 blocks.
> ==26040== Reachable blocks (those to which a pointer was found) are not shown.
> ==26040== To see them, rerun with: --show-reachable=yes
>
>   


***********************************************************************************
Information contained in this email message is confidential and may be 
privileged, and is intended only for use of the individual or entity named 
above. If the reader of this message is not the intended recipient, or the 
employee or agent responsible to deliver it to the intended recipient, you are 
hereby notified that any dissemination, distribution or copying of this 
communication is strictly prohibited. If you have received this communication 
in error, please immediately notify the address@hidden and destroy the original 
message.
***********************************************************************************