From 7c567fcc56508aa31ae58779e8633e25e8077acd Mon Sep 17 00:00:00 2001 From: Konstantin Belousov Date: Wed, 1 Feb 2023 01:43:23 +0200 Subject: [PATCH] i386 kstack_contains(): account for pcb/fpu save area Reviewed by: jhb Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D38320 --- sys/i386/include/stack.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/i386/include/stack.h b/sys/i386/include/stack.h index 773aca1c66d9..3bc1e1a3997f 100644 --- a/sys/i386/include/stack.h +++ b/sys/i386/include/stack.h @@ -21,7 +21,7 @@ static __inline bool kstack_contains(struct thread *td, vm_offset_t va, size_t len) { return (va >= td->td_kstack && va + len >= va && - va + len <= td->td_kstack + td->td_kstack_pages * PAGE_SIZE); + va + len <= (vm_offset_t)get_pcb_td(td)); } #endif /* _SYS_PROC_H_ */