The branch main has been updated by kib:
URL:
https://cgit.FreeBSD.org/src/commit/?id=0bdb2cbf9d7c4366a0668b4563c8630538a50086
commit 0bdb2cbf9d7c4366a0668b4563c8630538a50086
Author: Konstantin Belousov <k...@freebsd.org>
AuthorDate: 2021-07-14 23:40:04 +0000
Commit: Konstantin Belousov <k...@freebsd.org>
CommitDate: 2021-07-15 00:02:50 +0000
procctl(PROC_ASLR_STATUS): fix vmspace leak
Reported by: jhb
Sponsored by: The FreeBSD Foundation
MFC after: 3 days
---
sys/kern/kern_procctl.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/sys/kern/kern_procctl.c b/sys/kern/kern_procctl.c
index 4eb226c6b1b3..68fa4bc0c3ac 100644
--- a/sys/kern/kern_procctl.c
+++ b/sys/kern/kern_procctl.c
@@ -530,8 +530,9 @@ aslr_status(struct thread *td, struct proc *p, int *data)
_PHOLD(p);
PROC_UNLOCK(p);
vm = vmspace_acquire_ref(p);
- if (vm != NULL && (vm->vm_map.flags & MAP_ASLR) != 0) {
- d |= PROC_ASLR_ACTIVE;
+ if (vm != NULL) {
+ if ((vm->vm_map.flags & MAP_ASLR) != 0)
+ d |= PROC_ASLR_ACTIVE;
vmspace_free(vm);
}
PROC_LOCK(p);
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