mm/pmm: switch to more secure ASLR function

NOTMASTER08 · NOTMASTER08 · commit d738a7d71405 · 2026-06-19T14:05:42.000+03:00
Signed-off-by: NOTMASTER08 &lt;41077257+NOTMASTER08@users.noreply.github.com&gt;
diff --git a/common/mm/pmm.s2.c b/common/mm/pmm.s2.c
@@ -690,7 +690,7 @@ bool ext_mem_alloc_find_slot_random(uint64_t count, size_t alignment, uint64_t l
     }
     // Allocator potentially calling allocator is risky, but i'll just say it'll
     // be *fine* for now since this is only used for PKASLR
-    uint64_t slot = (total_slots * (uint64_t)(rand32())) >> 32;
+    uint64_t slot = (total_slots * (uint64_t)(safe_rand32())) >> 32;
 
     uint64_t alloc_base;
     uint64_t alloc_top;

Original file line number	Diff line number	Diff line change
`@@ -690,7 +690,7 @@ bool ext_mem_alloc_find_slot_random(uint64_t count, size_t alignment, uint64_t l`
`690`	`690`	`}`
`691`	`691`	`// Allocator potentially calling allocator is risky, but i'll just say it'll`
`692`	`692`	`// be fine for now since this is only used for PKASLR`
`693`		`- uint64_t slot = (total_slots * (uint64_t)(rand32())) >> 32;`
	`693`	`+ uint64_t slot = (total_slots * (uint64_t)(safe_rand32())) >> 32;`
`694`	`694`
`695`	`695`	`uint64_t alloc_base;`
`696`	`696`	`uint64_t alloc_top;`