Package: libc6
Version: 2.28-10
Severity: normal
File: /lib/ld-linux.so.2

Hi.  I found this behaviour:

$ eatmydata man ls >/dev/null 
ERROR: ld.so: object 'libeatmydata.so' from LD_PRELOAD cannot be preloaded 
(cannot open shared object file): ignored.
ERROR: ld.so: object 'libeatmydata.so' from LD_PRELOAD cannot be preloaded 
(cannot open shared object file): ignored.
ERROR: ld.so: object 'libeatmydata.so' from LD_PRELOAD cannot be preloaded 
(cannot open shared object file): ignored.
ERROR: ld.so: object 'libeatmydata.so' from LD_PRELOAD cannot be preloaded 
(cannot open shared object file): ignored.
$

Experimenting shows that the problem is triggered by having LD_PRELOAD
containing only the library name:

$ faketime yesterday printenv | grep PREL
LD_PRELOAD=libgtk3-nocsd.so.0:/usr/$LIB/faketime/libfaketime.so.1
$ faketime yesterday env LD_PRELOAD=libfaketime.so.1 man ls >/dev/null 
ERROR: ld.so: object 'libfaketime.so.1' from LD_PRELOAD cannot be preloaded 
(cannot open shared object file): ignored.
ERROR: ld.so: object 'libfaketime.so.1' from LD_PRELOAD cannot be preloaded 
(cannot open shared object file): ignored.
ERROR: ld.so: object 'libfaketime.so.1' from LD_PRELOAD cannot be preloaded 
(cannot open shared object file): ignored.
ERROR: ld.so: object 'libfaketime.so.1' from LD_PRELOAD cannot be preloaded 
(cannot open shared object file): ignored.
ERROR: ld.so: object 'libfaketime.so.1' from LD_PRELOAD cannot be preloaded 
(cannot open shared object file): ignored.
ERROR: ld.so: object 'libfaketime.so.1' from LD_PRELOAD cannot be preloaded 
(cannot open shared object file): ignored.
ERROR: ld.so: object 'libfaketime.so.1' from LD_PRELOAD cannot be preloaded 
(cannot open shared object file): ignored.
ERROR: ld.so: object 'libfaketime.so.1' from LD_PRELOAD cannot be preloaded 
(cannot open shared object file): ignored.
$

The problem is not limited to man:

$ faketime yesterday env LD_PRELOAD=libfaketime.so.1 dash -c true
ERROR: ld.so: object 'libfaketime.so.1' from LD_PRELOAD cannot be preloaded 
(cannot open shared object file): ignored.
$

This message on debian-user seems related:
  https://lists.debian.org/debian-user/2017/03/msg00335.html

Colin Watson (CC'd) reports that sid works.

Thanks for your attention.

Ian.

-- System Information:
Debian Release: 10.4
  APT prefers stable-debug
  APT policy: (500, 'stable-debug'), (500, 'stable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386, armhf

Kernel: Linux 5.6.0-1-amd64 (SMP w/8 CPU cores)
Locale: LANG=C.UTF-8, LC_CTYPE=C.UTF-8 (charmap=UTF-8), LANGUAGE=C.UTF-8 
(charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: sysvinit (via /sbin/init)
LSM: AppArmor: enabled

Versions of packages libc6:i386 depends on:
ii  libgcc1  1:8.3.0-6

Versions of packages libc6:i386 recommends:
ii  libidn2-0  2.0.5-1+deb10u1

Versions of packages libc6:i386 suggests:
ii  debconf [debconf-2.0]  1.5.71
ii  glibc-doc              2.28-10
ii  libc-l10n              2.28-10
ii  locales                2.28-10

-- debconf information excluded

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