Date: Tue, 09 Jun 2026 16:58:30 +0000 From: Ed Maste <emaste@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 6952ad819d6a - stable/15 - get/setpriority: Add capability mode checks Message-ID: <6a284636.27c92.a23e87e@gitrepo.freebsd.org>
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The branch stable/15 has been updated by emaste: URL: https://cgit.FreeBSD.org/src/commit/?id=6952ad819d6a7c259ae1f0bd2646a35e4263f0d9 commit 6952ad819d6a7c259ae1f0bd2646a35e4263f0d9 Author: Ed Maste <emaste@FreeBSD.org> AuthorDate: 2026-05-29 20:48:34 +0000 Commit: Ed Maste <emaste@FreeBSD.org> CommitDate: 2026-06-09 16:57:58 +0000 get/setpriority: Add capability mode checks Reviewed by: oshogbo Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D57345 (cherry picked from commit 72e34b3e3907d5fd63abf7b2246cae80641769b3) --- sys/kern/kern_resource.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/sys/kern/kern_resource.c b/sys/kern/kern_resource.c index dcd38c6e6fbe..5850d2708a11 100644 --- a/sys/kern/kern_resource.c +++ b/sys/kern/kern_resource.c @@ -37,6 +37,7 @@ #include <sys/param.h> #include <sys/systm.h> #include <sys/sysproto.h> +#include <sys/capsicum.h> #include <sys/file.h> #include <sys/filedesc.h> #include <sys/kernel.h> @@ -99,6 +100,13 @@ kern_getpriority(struct thread *td, int which, int who) struct pgrp *pg; int error, low; + if (IN_CAPABILITY_MODE(td)) { + if (which != PRIO_PROCESS) + return (ECAPMODE); + if (who != 0 && who != td->td_proc->p_pid) + return (ECAPMODE); + } + error = 0; low = PRIO_MAX + 1; switch (which) { @@ -189,6 +197,14 @@ kern_setpriority(struct thread *td, int which, int who, int prio) int found = 0, error = 0; curp = td->td_proc; + + if (IN_CAPABILITY_MODE(td)) { + if (which != PRIO_PROCESS) + return (ECAPMODE); + if (who != 0 && who != curp->p_pid) + return (ECAPMODE); + } + switch (which) { case PRIO_PROCESS: if (who == 0) {home | help
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