[remram]

strace uses ptrace, which is not safe for security use because of race conditions. Linux Security Modules should be used.

https://stackoverflow.com/a/4421762/711380

[ashishbijlani]

Thanks for highlighting this! While PTRACE introduces TOCTTOU vulnerabilities, Packj sandboxes fixes that by using read-only args for ptrace. You can find my PhD work [1] on this relevant.

1. https://lwn.net/Articles/803890/