On 10/26/26 19:28, Andrea Venturoli wrote:
In any case it would still not address the root cause.
I think the problem is in fdcopy.
This was changed from 14.x to 15.1 and, if this is it, I think it's
still broken in main.
This patch should solve:
diff --git a/sys/kern/kern_descrip.c b/sys/kern/kern_descrip.c
index 80735e0b4c0c..77424384303e 100644
--- a/sys/kern/kern_descrip.c
+++ b/sys/kern/kern_descrip.c
@@ -2644,8 +2644,11 @@ fdcopy(struct filedesc *fdp, struct proc *p1)
if ((ops->fo_flags & DFLAG_FORK) != 0 &&
(ofde->fde_flags & UF_FOCLOSE) == 0) {
if (ops->fo_fork(newfdp, ofde->fde_file, &fp, p1,
- curthread) != 0)
+ curthread) != 0) {
+ if (newfdp->fd_freefile == fdp->fd_freefile)
+ newfdp->fd_freefile = i;
continue;
+ }
fork_pass = true;
} else if ((ops->fo_flags & DFLAG_PASSABLE) == 0 ||
(ofde->fde_flags & UF_FOCLOSE) != 0 ||
However, I'm no kernel expert, so if someone could give it a look...
It works in a test VM, but I don't dare put it in production otherwise.
bye & Thanks
av.
