Public bug reported:
Package: libc-bin
Version: 2.13-0ubuntu13
Severity: Critical
Source: eglibc
Architecture: i386
System having installed with some 3rd party loaders (ld-<name>.so.x) in /lib
directory. With these loaders present if we run ldconfig, its removing the
system loader symbolic link ld-linux.so.2 in /lib directory from
/lib/i286-linux-gnu/ld-2.13.so and creating the symbolic link to one of the 3rd
party loaders(in my case link to ld-nails.so.2) present in /lib directory. As
ldconfig not link to proper system loader, system gets unusable and system
crashes if we reboot.
Captured the strace logs for "ldconfig".
4470 15:25:20 close(4) = 0
4470 15:25:20 stat64("/lib/libhistory.so.6", {st_mode=S_IFREG|0644,
st_size=30060, ...}) = 0
4470 15:25:20 stat64("/lib/libatm.so.1", {st_mode=S_IFREG|0644, st_size=34452,
...}) = 0
4470 15:25:20 getdents64(3, /* 0 entries */, 32768) = 0
4470 15:25:20 close(3) = 0
4470 15:25:20 stat64("/lib/libcrypto.so.0.9.8", {st_mode=S_IFREG|0644,
st_size=1341364, ...}) = 0
4470 15:25:20 stat64("/lib/libcrypto.so.0.9.8", {st_mode=S_IFREG|0644,
st_size=1341364, ...}) = 0
4470 15:25:20 stat64("/lib/libatm.so.1", {st_mode=S_IFREG|0644, st_size=34452,
...}) = 0
4470 15:25:20 stat64("/lib/libatm.so.1.0.0", {st_mode=S_IFREG|0644,
st_size=34452, ...}) = 0
4470 15:25:20 stat64("/lib/libnih-dbus.so.1", {st_mode=S_IFREG|0644,
st_size=29984, ...}) = 0
4470 15:25:20 stat64("/lib/libnih-dbus.so.1.0.0", {st_mode=S_IFREG|0644,
st_size=29984, ...}) = 0
4470 15:25:20 stat64("/lib/libhistory.so.6", {st_mode=S_IFREG|0644,
st_size=30060, ...}) = 0
4470 15:25:20 stat64("/lib/libhistory.so.6.2", {st_mode=S_IFREG|0644,
st_size=30060, ...}) = 0
4470 15:25:20 stat64("/lib/libdevmapper.so.1.02.1", {st_mode=S_IFREG|0644,
st_size=137308, ...}) = 0
4470 15:25:20 stat64("/lib/libdevmapper.so.1.02.1", {st_mode=S_IFREG|0644,
st_size=137308, ...}) = 0
4470 15:25:20 stat64("/lib/libproc-3.2.8.so", {st_mode=S_IFREG|0644,
st_size=59108, ...}) = 0
4470 15:25:20 stat64("/lib/libproc-3.2.8.so", {st_mode=S_IFREG|0644,
st_size=59108, ...}) = 0
4470 15:25:20 stat64("/lib/libfuse.so.2", {st_mode=S_IFREG|0644,
st_size=158272, ...}) = 0
4470 15:25:20 stat64("/lib/libfuse.so.2.8.4", {st_mode=S_IFREG|0644,
st_size=158272, ...}) = 0
4470 15:25:20 stat64("/lib/libxtables.so.5", {st_mode=S_IFREG|0644,
st_size=26104, ...}) = 0
4470 15:25:20 stat64("/lib/libxtables.so.5.0.0", {st_mode=S_IFREG|0644,
st_size=26104, ...}) = 0
4470 15:25:20 stat64("/lib/libssl.so.0.9.8", {st_mode=S_IFREG|0644,
st_size=294696, ...}) = 0
4470 15:25:20 stat64("/lib/libssl.so.0.9.8", {st_mode=S_IFREG|0644,
st_size=294696, ...}) = 0
4470 15:25:20 stat64("/lib/libipq_pic.so.0", {st_mode=S_IFREG|0644,
st_size=9688, ...}) = 0
4470 15:25:20 stat64("/lib/libipq_pic.so.0.0.0", {st_mode=S_IFREG|0644,
st_size=9688, ...}) = 0
4470 15:25:20 stat64("/lib/libparted.so.0", {st_mode=S_IFREG|0644,
st_size=425316, ...}) = 0
4470 15:25:20 stat64("/lib/libparted.so.0.0.1", {st_mode=S_IFREG|0644,
st_size=425316, ...}) = 0
4470 15:25:20 stat64("/lib/libiptc.so.0", {st_mode=S_IFREG|0644, st_size=5212,
...}) = 0
4470 15:25:20 stat64("/lib/libiptc.so.0.0.0", {st_mode=S_IFREG|0644,
st_size=5212, ...}) = 0
4470 15:25:20 stat64("/lib/libiw.so.30", {st_mode=S_IFREG|0644, st_size=30120,
...}) = 0
4470 15:25:20 stat64("/lib/libiw.so.30", {st_mode=S_IFREG|0644, st_size=30120,
...}) = 0
4470 15:25:20 stat64("/lib/ld-linux.so.2", {st_mode=S_IFREG|0755,
st_size=117960, ...}) = 0
4470 15:25:20 stat64("/lib/ld-nails.so.2", {st_mode=S_IFREG|0750,
st_size=124720, ...}) = 0
4470 15:25:20 lstat64("/lib/ld-linux.so.2", {st_mode=S_IFLNK|0777, st_size=25,
...}) = 0
4470 15:25:20 unlink("/lib/ld-linux.so.2") = 0
4470 15:25:20 symlink("ld-nails.so.2", "/lib/ld-linux.so.2") = 0
This issue reproduce only on Ubuntu 11.04. As ldconfig is creating symbolic
link causing the system unusable. Want to know why ldconfig is linking to 3rd
party loaders instead of system loader ld-2.13.so and appreciate if you could
provide the workaround for this issue.
** Affects: eglibc (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/915995
Title:
ldconfig makes system loader /lib/ld-linux.so.2 to be linked to 3rd
party loaders in /lib directory
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