From 41f5792098c8f2764441eca195a24918b4ae390f Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Sat, 27 Sep 2025 06:50:02 -0400
Subject: kern: proc: Protect mapping list with spinlock

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 src/sys/vm/vm_map.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/sys/vm')

diff --git a/src/sys/vm/vm_map.c b/src/sys/vm/vm_map.c
index 277ff9a..c724168 100644
--- a/src/sys/vm/vm_map.c
+++ b/src/sys/vm/vm_map.c
@@ -126,7 +126,9 @@ vm_map(struct vm_vas *vas, struct mmu_map *spec, size_t len, int prot)
 
     /* Add the range if we can */
     if (self != NULL) {
+        spinlock_acquire(&self->maplist_lock);
         proc_add_range(self, spec->va, spec->pa, len);
+        spinlock_release(&self->maplist_lock);
     }
 
     /* Place a guard page at the end */
-- 
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