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sysctl vm.objects/vm.swap_objects: do not fill vnode info if jailed

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(cherry picked from commit 38f5f2a4af5daeec7f13d39cad1ff4dc90da52d8)
This commit is contained in:
Konstantin Belousov 2024-01-13 03:46:04 +02:00
parent 33cd621105
commit 8788c3d3fa
1 changed files with 5 additions and 1 deletions
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6
sys/vm/vm_object.c
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@ -69,6 +69,7 @@
#include <sys/systm.h>
#include <sys/blockcount.h>
#include <sys/cpuset.h>
#include <sys/jail.h>
#include <sys/limits.h>
#include <sys/lock.h>
#include <sys/mman.h>
@ -2516,6 +2517,7 @@ vm_object_list_handler(struct sysctl_req *req, bool swap_only)
vm_page_t m;
u_long sp;
int count, error;
bool want_path;
if (req->oldptr == NULL) {
/*
@ -2534,6 +2536,7 @@ vm_object_list_handler(struct sysctl_req *req, bool swap_only)
count * 11 / 10));
}
want_path = !(swap_only || jailed(curthread->td_ucred));
kvo = malloc(sizeof(*kvo), M_TEMP, M_WAITOK | M_ZERO);
error = 0;
@ -2585,7 +2588,8 @@ vm_object_list_handler(struct sysctl_req *req, bool swap_only)
freepath = NULL;
fullpath = "";
vp = NULL;
kvo->kvo_type = vm_object_kvme_type(obj, swap_only ? NULL : &vp);
kvo->kvo_type = vm_object_kvme_type(obj, want_path ? &vp :
NULL);
if (vp != NULL) {
vref(vp);
} else if ((obj->flags & OBJ_ANON) != 0) {