git: 5a8413e779a2 - main - setrlimit: Remove special handling for RLIMIT_STACK with a stack gap
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Date: Mon, 17 Jan 2022 21:13:06 UTC
The branch main has been updated by markj:
URL: https://cgit.FreeBSD.org/src/commit/?id=5a8413e779a2258b02f92bad69a03d283c4bf2a6
commit 5a8413e779a2258b02f92bad69a03d283c4bf2a6
Author: Mark Johnston <markj@FreeBSD.org>
AuthorDate: 2022-01-17 16:42:13 +0000
Commit: Mark Johnston <markj@FreeBSD.org>
CommitDate: 2022-01-17 16:42:13 +0000
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
---
sys/kern/kern_resource.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/sys/kern/kern_resource.c b/sys/kern/kern_resource.c
index 527e7f16e297..504e338ba922 100644
--- a/sys/kern/kern_resource.c
+++ b/sys/kern/kern_resource.c
@@ -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);