git: 37ce6052f6ac - main - kern_descrip.c: add struct proc argument to fdcopy()

The branch main has been updated by kib:

URL: https://cgit.FreeBSD.org/src/commit/?id=37ce6052f6ac5064c5a982beed7393109111dd10

commit 37ce6052f6ac5064c5a982beed7393109111dd10
Author:     Konstantin Belousov <kib@FreeBSD.org>
AuthorDate: 2025-08-20 19:02:33 +0000
Commit:     Konstantin Belousov <kib@FreeBSD.org>
CommitDate: 2025-10-18 05:12:36 +0000

    kern_descrip.c: add struct proc argument to fdcopy()
    
    The proc is the owner of the copied filedesc.
    
    Reviewed by:    markj
    Tested by:      pho
    Sponsored by:   The FreeBSD Foundation
    MFC after:      2 weeks
    Differential revision:  https://reviews.freebsd.org/D52045
---
 sys/kern/kern_descrip.c | 4 ++--
 sys/kern/kern_fork.c    | 2 +-
 sys/sys/filedesc.h      | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/sys/kern/kern_descrip.c b/sys/kern/kern_descrip.c
index 373542d16285..a71a601733e5 100644
--- a/sys/kern/kern_descrip.c
+++ b/sys/kern/kern_descrip.c
@@ -2486,7 +2486,7 @@ fdunshare(struct thread *td)
 	if (refcount_load(&p->p_fd->fd_refcnt) == 1)
 		return;
 
-	tmp = fdcopy(p->p_fd);
+	tmp = fdcopy(p->p_fd, p);
 	fdescfree(td);
 	p->p_fd = tmp;
 }
@@ -2515,7 +2515,7 @@ pdunshare(struct thread *td)
  * this is to ease callers, not catch errors.
  */
 struct filedesc *
-fdcopy(struct filedesc *fdp)
+fdcopy(struct filedesc *fdp, struct proc *p1)
 {
 	struct filedesc *newfdp;
 	struct filedescent *nfde, *ofde;
diff --git a/sys/kern/kern_fork.c b/sys/kern/kern_fork.c
index 7f6abae187b3..8b237b6dbd17 100644
--- a/sys/kern/kern_fork.c
+++ b/sys/kern/kern_fork.c
@@ -423,7 +423,7 @@ do_fork(struct thread *td, struct fork_req *fr, struct proc *p2, struct thread *
 			pd = pdshare(p1->p_pd);
 		else
 			pd = pdcopy(p1->p_pd);
-		fd = fdcopy(p1->p_fd);
+		fd = fdcopy(p1->p_fd, p2);
 		fdtol = NULL;
 	} else {
 		if (fr->fr_flags2 & FR2_SHARE_PATHS)
diff --git a/sys/sys/filedesc.h b/sys/sys/filedesc.h
index 0a388c90de26..4817855443af 100644
--- a/sys/sys/filedesc.h
+++ b/sys/sys/filedesc.h
@@ -265,7 +265,7 @@ int	fdcheckstd(struct thread *td);
 void	fdclose(struct thread *td, struct file *fp, int idx);
 void	fdcloseexec(struct thread *td);
 void	fdsetugidsafety(struct thread *td);
-struct	filedesc *fdcopy(struct filedesc *fdp);
+struct	filedesc *fdcopy(struct filedesc *fdp, struct proc *p1);
 void	fdunshare(struct thread *td);
 void	fdescfree(struct thread *td);
 int	fdlastfile(struct filedesc *fdp);