From 8e66b83b705e257b78ec98abdb86e7f8b3b5c775 Mon Sep 17 00:00:00 2001
From: Anton Kling <anton@kling.gg>
Date: Sat, 6 Jul 2024 19:41:10 +0200
Subject: Kernel: Fix integer overflow
---
kernel/lib/relist.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
(limited to 'kernel/lib')
diff --git a/kernel/lib/relist.c b/kernel/lib/relist.c
index 5c03ab2..a681435 100644
--- a/kernel/lib/relist.c
+++ b/kernel/lib/relist.c
@@ -114,7 +114,7 @@ int relist_remove(struct relist *list, u32 index) {
assert(0);
return 0;
}
- int is_used = (list->bitmap[index / 64] & ((u64)1 << (index % 64)));
+ int is_used = (list->bitmap[index / 64] & ((u64)1 << (index % 64))) ? 1 : 0;
if (!is_used) {
assert(0);
return 0;
@@ -144,7 +144,7 @@ int relist_get(const struct relist *list, u32 index, void **out, int *end) {
}
return 0;
}
- int is_used = (list->bitmap[index / 64] & ((u64)1 << (index % 64)));
+ int is_used = (list->bitmap[index / 64] & ((u64)1 << (index % 64))) ? 1 : 0;
if (!is_used) {
return 0;
}
--
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