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https://bugs.freedesktop.org/show_bug.cgi?id=8218
------- Additional Comments From [EMAIL PROTECTED] 2006-09-20 17:05 -------
(In reply to comment #14)
> > This also looked interesting:
> > ==17123== Invalid write of size 1
> > ==17123== at 0x40069A6: memcpy (mac_replace_strmem.c:394)
> > ==17123== by 0x4156245: r200UploadTexImages (string3.h:51)
> > ==17123== by 0x41580E9: r200UpdateTextureUnit (r200_texstate.c:1546)
> Yes, somewhat interesting. Unfortunately the output is a bit useless, what's
> up with that string3.h file? No idea on which line in r200UploadTexImages
> function this happens.
I removed the "static" qualifiers from a few functions, and now the valgrind
output looks like this:
==28760== Invalid write of size 1
==28760== at 0x40069A6: memcpy (mac_replace_strmem.c:394)
==28760== by 0x415582E: r200UploadRectSubImage (string3.h:51)
==28760== by 0x4155F13: uploadSubImage (r200_texmem.c:322)
==28760== by 0x41564D0: r200UploadTexImages (r200_texmem.c:516)
==28760== by 0x4158689: r200UpdateTextureUnit (r200_texstate.c:1671)
==28760== by 0x4158B9F: r200UpdateTextureState (r200_texstate.c:1793)
==28760== by 0x414C6C3: r200ValidateState (r200_state.c:2372)
==28760== by 0x4145640: r200MakeCurrent (r200_context.c:718)
==28760== by 0x414233F: driBindContext (dri_util.c:343)
==28760== by 0x4277CABB: (within /usr/lib/libGL.so.1.2)
==28760== by 0x4277ECAE: glXMakeContextCurrent (in /usr/lib/libGL.so.1.2)
==28760== by 0x4277EF42: glXMakeCurrent (in /usr/lib/libGL.so.1.2)
==28760== Address 0xB7EEC183 is not stack'd, malloc'd or (recently) free'd
==28760==
==28760== Invalid write of size 1
==28760== at 0x40069AC: memcpy (mac_replace_strmem.c:394)
==28760== by 0x415582E: r200UploadRectSubImage (string3.h:51)
==28760== by 0x4155F13: uploadSubImage (r200_texmem.c:322)
==28760== by 0x41564D0: r200UploadTexImages (r200_texmem.c:516)
==28760== by 0x4158689: r200UpdateTextureUnit (r200_texstate.c:1671)
==28760== by 0x4158B9F: r200UpdateTextureState (r200_texstate.c:1793)
==28760== by 0x414C6C3: r200ValidateState (r200_state.c:2372)
==28760== by 0x4145640: r200MakeCurrent (r200_context.c:718)
==28760== by 0x414233F: driBindContext (dri_util.c:343)
==28760== by 0x4277CABB: (within /usr/lib/libGL.so.1.2)
==28760== by 0x4277ECAE: glXMakeContextCurrent (in /usr/lib/libGL.so.1.2)
==28760== by 0x4277EF42: glXMakeCurrent (in /usr/lib/libGL.so.1.2)
==28760== Address 0xB7EEC182 is not stack'd, malloc'd or (recently) free'd
==28760==
==28760== Invalid write of size 1
==28760== at 0x40069B3: memcpy (mac_replace_strmem.c:394)
==28760== by 0x415582E: r200UploadRectSubImage (string3.h:51)
==28760== by 0x4155F13: uploadSubImage (r200_texmem.c:322)
==28760== by 0x41564D0: r200UploadTexImages (r200_texmem.c:516)
==28760== by 0x4158689: r200UpdateTextureUnit (r200_texstate.c:1671)
==28760== by 0x4158B9F: r200UpdateTextureState (r200_texstate.c:1793)
==28760== by 0x414C6C3: r200ValidateState (r200_state.c:2372)
==28760== by 0x4145640: r200MakeCurrent (r200_context.c:718)
==28760== by 0x414233F: driBindContext (dri_util.c:343)
==28760== by 0x4277CABB: (within /usr/lib/libGL.so.1.2)
==28760== by 0x4277ECAE: glXMakeContextCurrent (in /usr/lib/libGL.so.1.2)
==28760== by 0x4277EF42: glXMakeCurrent (in /usr/lib/libGL.so.1.2)
==28760== Address 0xB7EEC181 is not stack'd, malloc'd or (recently) free'd
==28760==
==28760== Invalid write of size 1
==28760== at 0x40069BD: memcpy (mac_replace_strmem.c:394)
==28760== by 0x415582E: r200UploadRectSubImage (string3.h:51)
==28760== by 0x4155F13: uploadSubImage (r200_texmem.c:322)
==28760== by 0x41564D0: r200UploadTexImages (r200_texmem.c:516)
==28760== by 0x4158689: r200UpdateTextureUnit (r200_texstate.c:1671)
==28760== by 0x4158B9F: r200UpdateTextureState (r200_texstate.c:1793)
==28760== by 0x414C6C3: r200ValidateState (r200_state.c:2372)
==28760== by 0x4145640: r200MakeCurrent (r200_context.c:718)
==28760== by 0x414233F: driBindContext (dri_util.c:343)
==28760== by 0x4277CABB: (within /usr/lib/libGL.so.1.2)
==28760== by 0x4277ECAE: glXMakeContextCurrent (in /usr/lib/libGL.so.1.2)
==28760== by 0x4277EF42: glXMakeCurrent (in /usr/lib/libGL.so.1.2)
==28760== Address 0xB7EEC180 is not stack'd, malloc'd or (recently) free'd
==28760==
string3.h is actually /usr/include/bits/string3.h, which defines memcpy() thus:
#define memcpy(dest, src, len) \
((__bos0 (dest) != (size_t) -1) \
? __builtin___memcpy_chk (dest, src, len, __bos0 (dest)) \
: __memcpy_ichk (dest, src, len))
static __always_inline void *
__NTH (__memcpy_ichk (void *__restrict __dest, __const void *__restrict __src,
size_t __len))
{
return __builtin___memcpy_chk (__dest, __src, __len, __bos0 (__dest));
}
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