Package: amd64-libs Version: 1.2 Severity: important Your version of ldd doesn't print anything on setgid programs.
$ ldd /usr/bin/crontab $ echo $? 1 $ ldd.i386 /usr/bin/crontab linux-gate.so.1 => (0xffffe000) libpam.so.0 => /lib/libpam.so.0 (0xb7fa3000) libselinux.so.1 => /lib/libselinux.so.1 (0xb7f91000) libc.so.6 => /lib/tls/i686/cmov/libc.so.6 (0xb7e5a000) libdl.so.2 => /lib/tls/i686/cmov/libdl.so.2 (0xb7e56000) /lib/ld-linux.so.2 (0x80000000) $ ls -l /usr/bin/crontab -rwxr-sr-x 1 root crontab 26668 Aug 21 03:16 /usr/bin/crontab* $ dpkg -S `which ldd` diversion by amd64-libs from: /usr/bin/ldd diversion by amd64-libs to: /usr/bin/ldd.i386 libc6, amd64-libs: /usr/bin/ldd $ dpkg-query -W amd64-libs libc6 amd64-libs 1.2 libc6 2.3.5-6 -- System Information: Debian Release: testing/unstable APT prefers testing APT policy: (500, 'testing') Architecture: i386 (i686) Shell: /bin/sh linked to /bin/dash Kernel: Linux 2.6.12 Locale: LANG=C, LC_CTYPE=pl_PL.UTF8 (charmap=UTF-8) -- no debconf information