On 24 September 2019 at 21h46, Paul wrote: Hi, > Try git28 commit 47e9a6a807ab30baae05f4557f82d63c70108a59 > > There is no crash here, but.... Yes, I think the fix is wrong, telling the libc it can write BUFFSIZE+4 bytes into tmp2 that is BUFFSIZE long :) -- Colin