setrlimit: Remove special handling for RLIMIT_STACK with a stack gap

This will not be required with a forthcoming reimplementation of ASLR
stack randomization.  Moreover, this change was not sufficient to enable
the use of a stack size limit smaller than the stack gap itself.

PR:		260303
Reviewed by:	kib
MFC after:	1 week
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D33704

This commit is contained in:

Mark Johnston

2022-01-17 11:42:13 -05:00

parent 3fc21fdd5f

commit 5a8413e779

1 changed files with 0 additions and 3 deletions

									
										sys/kern/kern_resource.c
									
		-3
	
												View File
												
				@@ -672,9 +672,6 @@ kern_proc_setrlimit(struct thread *td, struct proc *p, u_int which,

					if (limp->rlim_max < 0)

						limp->rlim_max = RLIM_INFINITY;

					if (which == RLIMIT_STACK && limp->rlim_cur != RLIM_INFINITY)

						limp->rlim_cur += p->p_vmspace->vm_stkgap;

					oldssiz.rlim_cur = 0;

					newlim = lim_alloc();

					PROC_LOCK(p);