UNADDR in RtlpCreateSplitBlock in ui_tests PPAPITest.Var

_From [bruen...@google.com](https://code.google.com/u/109494838902877177630/) on September 08, 2011 15:20:34_

drmem configured with -no_check_uninitialized -no_count_leaks
on win7

% ~/dr/git/exports/bin32/drrun.exe -quiet -ops "-stderr_mask 15" ./ui_tests --ui-test-action-timeout=1200000 --ui-test-action-max-timeout=2800000 --ui-test-terminate-timeout=1200000 --gtest_filter="PPAPITest.Var"

Error `#1`: UNADDRESSABLE ACCESS: reading 0x0000468f-0x00004690 1 byte(s) within 0x0000468f-0x00004693
@0:00:03.120 in thread 4864
Note: instruction: inc 0x10(%eax) -> 0x10(%eax)
#0 ntdll.dll!RtlpCreateSplitBlock
#1 ntdll.dll!RtlpAllocateHeap
#2 ntdll.dll!RtlAllocateHeap
#3 chrome.exe!_calloc_impl [f:\dd\vctools\crt_bld\self_x86\crt\src\calloc_impl.c:94]
#4 chrome.exe!_calloc_crt [f:\dd\vctools\crt_bld\self_x86\crt\src\crtheap.c:61]
#5 chrome.exe!_wsetenvp [f:\dd\vctools\crt_bld\self_x86\crt\src\stdenvp.c:127]
#6 KERNEL32.dll!BaseThreadInitThunk
#7 ntdll.dll!__RtlUserThreadStart
#8 ntdll.dll!_RtlUserThreadStart

_Original issue: http://code.google.com/p/drmemory/issues/detail?id=586_