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February 07 2013

chroot fails with “Inconsistency detected by ld.so: rtld.c [...]“

I tried to chroot into a old Suse from the latest grml livecd and got this message:

Inconsistency detected by ld.so: rtld.c: 1192: dl_main: Assertion `(void *) ph->p_vaddr == _rtld_local._dl_sysinfo_dso' failed

You just have to boot with the kernel-parameter “vdso=0

The post chroot fails with “Inconsistency detected by ld.so: rtld.c [...]“ appeared first on nur Bahnhof.

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January 05 2010

isolate - Project Hosting on Google Code

The Problem All your Unix applications run with the full authority of the account that launched them: your browser can read your SSH private key, your mail reader can mine your browser history, your image converter can delete all your email, and so on. So it is not safe to listen to songs from untrustworthy sources: a maliciously-crafted MP3 could crack your music program and use its authority to send your SSH key to a maniac with an evil mustache. What's an "untrustworthy source"? The Internet would be one example... The Solution This utility, isolate, runs processes in a chroot-ed environment, with constrained resource limits, as a random UID, and with limited access to the X server. An isolated program ("isolatee") no longer has all the authority of your user account, but you can still enjoy its legitimate functionality. You can play even maliciously-crafted songs in an unsafely implemented music player, with greatly minimized risk to your other data.
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