Re: kern/58425: negation of pid or pgid is UB for INT_MIN

[Jason Thorpe <thorpej%me.com@localhost>]

> On Jul 13, 2024, at 10:00 PM, matthew green <mrg%eterna23.net@localhost> wrote:
> 
> i was running atf on m68k virt68k qemu and it crashed the emulator
> itself.  turns out -INT_MAX/-1 traps on x86.
> 
> i have this uncommited/unsubmitted patch for qemu:
> 
>    https://www.netbsd.org/~mrg/patch-target_m68k_op_helper.c

I have an outstanding open issue with qemu about this.  I don’t know why it’s stalled.  I haven’t had much time to spend on qemu stuff (long enough for my mailing list sub to time out), but I’ll make a point of circling back around to check on it.  Mark had a patch for it, even.

-- thorpej