git: 154dedade465 - releng/13.2 - EVFILT_SIGNAL: do not use target process pointer on detach

The branch releng/13.2 has been updated by gordon:

URL: https://cgit.FreeBSD.org/src/commit/?id=154dedade4654516dfd3737ae56d5b3e3721029a

commit 154dedade4654516dfd3737ae56d5b3e3721029a
Author:     Konstantin Belousov <kib@FreeBSD.org>
AuthorDate: 2023-11-28 12:51:54 +0000
Commit:     Gordon Tetlow <gordon@FreeBSD.org>
CommitDate: 2024-02-14 05:37:16 +0000

    EVFILT_SIGNAL: do not use target process pointer on detach
    
    PR:     275286
    Approved by:    so
    Security:       FreeBSD-EN-24:03.kqueue
    
    (cherry picked from commit ed410b78edc53e17b5a3e93ace2adbeb3a734ae9)
    (cherry picked from commit 55e91944998c128d74b94b9b48a04ef41ff5e9d0)
---
 sys/kern/kern_sig.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/sys/kern/kern_sig.c b/sys/kern/kern_sig.c
index 63d73cf7a909..067e5a0aaa05 100644
--- a/sys/kern/kern_sig.c
+++ b/sys/kern/kern_sig.c
@@ -4209,9 +4209,7 @@ filt_sigattach(struct knote *kn)
 static void
 filt_sigdetach(struct knote *kn)
 {
-	struct proc *p = kn->kn_ptr.p_proc;
-
-	knlist_remove(p->p_klist, kn, 0);
+	knlist_remove(kn->kn_knlist, kn, 0);
 }
 
 /*