/usr/lib/debug/.build-id/b1/ is in libnss3-dbg 2:3.15.4-1ubuntu7.
This file is owned by root:root, with mode 0o755.
| File | Mime Type | Owner | Mode | Size | 
|---|---|---|---|---|
| 
    
        
    
    
    ..
    
        
    
 | ||||
| 
    
    
    /usr/lib/debug/.build-id/b1/3e5e5c9384cd93a8985635dfc4b6b2dbd84884.debug
    
 | application/x-executable | root:root | 0o644 | 114.1 KB |