comctl32: Fix read of uninitialized data in LISTVIEW_GetItemExtT when LVIF_TEXT is not set (Valgrind).
bunglehead at gmail.com
Sat Feb 19 08:01:58 CST 2011
On 2/19/2011 16:49, Alexander Scott-Johns wrote:
> On 19 February 2011 11:42, Nikolay Sivov<bunglehead at gmail.com> wrote:
>> I think it's enough to add a mask check here:
>> if (bResult&& lpLVItem->pszText != pszText)
>> to keep a single call of GetItem.
> But isn't
> pszText = lpLVItem->pszText;
> undefined behaviour if lpLVItem->pszText is not initialized?
No, it's not undefined as long as you don't dereference it. Valgrind
catches condition that depends on this uninitialized value, not
assignment of course.
By the way, we even have a report for that -
More information about the wine-devel