From 644628536f248cf3d5c977ed49abe51243d69ae6 Mon Sep 17 00:00:00 2001
From: Filippo Valsorda <filippo@golang.org>
Date: Mon, 4 Nov 2024 12:56:04 +0100
Subject: crypto/rand: move OS interaction to crypto/internal/sysrand

We're going to use that package as the passive entropy source for the
FIPS module, and we need to import it from a package that will be
imported by crypto/rand.

Since there is no overridable Reader now, introduced a mechanism to test
the otherwise impossible failure of the OS entropy source.

For #69536

Change-Id: I558687ed1ec896dba05b99b937970bb809de3fe7
Reviewed-on: https://go-review.googlesource.com/c/go/+/624976
Reviewed-by: Daniel McCarney <daniel@binaryparadox.net>
Reviewed-by: Roland Shoemaker <roland@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
---
 src/runtime/panic.go | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/runtime/panic.go')

diff --git a/src/runtime/panic.go b/src/runtime/panic.go
index 7447854989..8e8ee8559a 100644
--- a/src/runtime/panic.go
+++ b/src/runtime/panic.go
@@ -1038,6 +1038,11 @@ func rand_fatal(s string) {
 	fatal(s)
 }
 
+//go:linkname sysrand_fatal crypto/internal/sysrand.fatal
+func sysrand_fatal(s string) {
+	fatal(s)
+}
+
 //go:linkname fips_fatal crypto/internal/fips.fatal
 func fips_fatal(s string) {
 	fatal(s)
-- 
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