From 1ca7651e1ccbf6c71783f4f676269abbe0fd2f13 Mon Sep 17 00:00:00 2001 From: Samuel Thibault Date: Mon, 9 Jun 2025 00:20:56 +0200 Subject: vm_allocate_contiguous: Avoid 64bit addresses for 32bit userland --- vm/vm_user.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'vm') diff --git a/vm/vm_user.c b/vm/vm_user.c index 7f706d71..c6dbda68 100644 --- a/vm/vm_user.c +++ b/vm/vm_user.c @@ -604,6 +604,11 @@ kern_return_t vm_allocate_contiguous( if (palign != PAGE_SIZE) return KERN_INVALID_ARGUMENT; +#ifdef USER32 + if (pmax > 0x100000000ULL) + pmax = 0x100000000ULL; +#endif + selector = VM_PAGE_SEL_DMA; if (pmax > VM_PAGE_DMA_LIMIT) #ifdef VM_PAGE_DMA32_LIMIT -- cgit v1.2.3