diff --git a/README.md b/README.md index 8851428..26f62f9 100644 --- a/README.md +++ b/README.md @@ -323,7 +323,7 @@ mkdir empty && rsync -r --delete empty/ some-dir && rmdir some-dir - Know about `strace` and `ltrace`. These can be helpful if a program is failing, hanging, or crashing, and you don't know why, or if you want to get a general idea of performance. Note the profiling option (`-c`), and the ability to attach to a running process (`-p`). Use trace child option (`-f`) to avoid missing important calls. -- Know about `ldd` to check shared libraries etc. +- Know about `ldd` to check shared libraries etc — but [never run it on untrusted files](http://www.catonmat.net/blog/ldd-arbitrary-code-execution/). - Know how to connect to a running process with `gdb` and get its stack traces.