New valgrind results, this time with overrun checks and lots of new errors.
Nikolay Sivov
bunglehead at gmail.com
Thu Nov 19 09:37:41 CST 2009
Dan Kegel wrote:
> http://kegel.com/wine/valgrind/logs/2009-11-18-21.51/
> is the first full run with the heap tail check enabled.
>
So you use some private patches for that, why aren't they merged?
> Here are the first few new problems it found.
>
> Somehow, it found a bunch of invalid reads in
> http://kegel.com/wine/valgrind/logs/2009-11-18-21.51/vg-advapi32_crypt.txt
> all in a function called test_incorrect_api_usage().
> Offhand that seems like something to suppress.
>
> The invalid write I already posted about is in
> http://kegel.com/wine/valgrind/logs/2009-11-18-21.51/diff-advapi32_lsa.txt
> http://kegel.com/wine/valgrind/logs/2009-11-18-21.51/vg-advapi32_lsa.txt
>
> http://kegel.com/wine/valgrind/logs/2009-11-18-21.51/diff-advpack_files.txt
> http://kegel.com/wine/valgrind/logs/2009-11-18-21.51/vg-advpack_files.txt
> show an off-by-one buffer size issue (forgot to include space for nul char)
> in advpack (fix should be easy, anybody can grab this):
> Invalid write of size 2
> at strcpyW (unicode.h:224)
> by lstrcpyW (string.c:104)
> by AdvInstallFileW (files.c:283)
> by AdvInstallFileA (files.c:216)
> by test_AdvInstallFile (files.c:513)
> Address 0x7f03d12e is 0 bytes after a block of size 30 alloc'd
> at notify_alloc (heap.c:279)
> by RtlAllocateHeap (heap.c:1521)
> by AdvInstallFileW (files.c:282)
> by AdvInstallFileA (files.c:216)
> by test_AdvInstallFile (files.c:513)
>
> http://kegel.com/wine/valgrind/logs/2009-11-18-21.51/diff-comctl32_tab.txt
> http://kegel.com/wine/valgrind/logs/2009-11-18-21.51/vg-comctl32_tab.txt
> show a more inscrutable error:
> Invalid write of size 4
> at TAB_SetCurSel (tab.c:255)
> by TAB_WindowProc (tab.c:3367)
> by ??? (library.h:159)
> by call_window_proc (winproc.c:469)
> by WINPROC_CallProcAtoW (winproc.c:1023)
> by CallWindowProcA (winproc.c:2299)
> by tabSubclassProcess (tab.c:404)
> by ??? (library.h:159)
> by call_window_proc (winproc.c:469)
> by WINPROC_call_window (winproc.c:2223)
> by call_window_proc (message.c:1635)
> by send_message (message.c:2482)
> by SendMessageA (message.c:2627)
> by test_getters_setters (tab.c:752)
> by func_tab (tab.c:1174)
> by run_test (test.h:535)
> by main (test.h:585)
> Address 0x7f044098 is not stack'd, malloc'd or (recently) free'd
>
> Nikolay touched that code back in March, perhaps he should have a look.
>
Yeah, this one is pretty obvious, I'll send a patch for tomorrow commit set.
> etc. etc. Lots of triage to do. It'd be nice if somebody could
> volunteer to go through these, file bugs, and assign provision blame
> using 'git blame'...
> - Dan
>
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