Re: __hldtoa broken for ld128

2020-04-11 Thread Christos Zoulas
In article , enh wrote: >this was found by fuzzing the LLVM __cxa_demangle on an ld128 Android >system using hwasan, but it turns out no to simply be a buffer >overflow --- the results are just wrong. (which shows how much anyone >uses ld128 in conjunction with %a!) Thanks a lot for the heads up

__hldtoa broken for ld128

2020-04-10 Thread enh
this was found by fuzzing the LLVM __cxa_demangle on an ld128 Android system using hwasan, but it turns out no to simply be a buffer overflow --- the results are just wrong. (which shows how much anyone uses ld128 in conjunction with %a!) this was the minimized test case: free(__cxa_demangle("1\0