On Fri, May 20, 2022 at 10:03:34AM +0200, Stefan Sperling wrote:
> #3  0x00000cd17cf3b5d7 in cleanup (sig=<optimized out>) at /usr/src/lib/libcurses/tty/lib_tstp.c:283

Reading the code in ncurses above, it looks like the root of the problem
is in ncurses.

Of course, the log thread isn't supposed to be calling into curses
at all, yet still ends up here... sigh...