From 5bfe88b36b3b0c8ef1e2efc0fbad328da59a0f0c Mon Sep 17 00:00:00 2001
From: Augustin Cavalier <waddlesplash@gmail.com>
Date: Sat, 25 Jan 2025 15:30:55 -0500
Subject: [PATCH] kernel/device_manager: Increase virtual_end of IOCache.

We insert pages from all over the underlying disk's area,
so in order to not trip asserts, the cache must be that large too.
(It's a "null" cache, so it doesn't have any commitment.)

Fixes #19373.
---
 src/system/kernel/device_manager/IOCache.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/system/kernel/device_manager/IOCache.cpp b/src/system/kernel/device_manager/IOCache.cpp
index a18ff384c7..7b29be14b4 100644
--- a/src/system/kernel/device_manager/IOCache.cpp
+++ b/src/system/kernel/device_manager/IOCache.cpp
@@ -113,6 +113,7 @@ IOCache::Init(const char* name)
 		return B_ERROR;
 	}
 	fCache = area->cache;
+	fCache->virtual_end = INT64_MAX;
 
 	// allocate arrays for pages and io vecs
 	fPages = new(std::nothrow) vm_page*[fPagesPerLine];