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-rw-r--r--src/link/MachO.zig3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/link/MachO.zig b/src/link/MachO.zig
index 1ab0202b44..429bf64eb2 100644
--- a/src/link/MachO.zig
+++ b/src/link/MachO.zig
@@ -1170,7 +1170,8 @@ fn linkOneShot(self: *MachO, comp: *Compilation, prog_node: *std.Progress.Node)
physical_zerofill_start = header.offset + header.size;
} else break :blk;
const linkedit = self.segments.items[self.linkedit_segment_cmd_index.?];
- const physical_zerofill_size = linkedit.fileoff - physical_zerofill_start;
+ const physical_zerofill_size = math.cast(usize, linkedit.fileoff - physical_zerofill_start) orelse
+ return error.Overflow;
if (physical_zerofill_size > 0) {
var padding = try self.base.allocator.alloc(u8, physical_zerofill_size);
defer self.base.allocator.free(padding);