diff options
| -rw-r--r-- | src/bun.js/base.zig | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/bun.js/base.zig b/src/bun.js/base.zig index 1e5069de8..95757cf3b 100644 --- a/src/bun.js/base.zig +++ b/src/bun.js/base.zig @@ -4163,11 +4163,14 @@ pub const FinalizationCallback = struct { this.ref_count -= 1; } - pub fn ptr(this: *Ptr) ?*anyopaque { + pub fn ptr(this: Ptr) ?*anyopaque { if (this.address == 0) return null; - return @intToPtr(*anyopaque, @as(usize, this.addrress)); + // zero the trailing little endian 4 bits from u64 + // We want to make sure that the ref_count is not included in the pointer + const safe_addr = @as(usize, this.address) & @as(usize, 0xFFFFFFFFFFFFFFF0); + return @intToPtr(*anyopaque, safe_addr); } pub fn init(addr: *anyopaque) Ptr { |