Hardened malloc: Difference between revisions
mNo edit summary |
(/etc/ld.so.preload is a glibc thing, not going to work on Alpine) |
||
| Line 7: | Line 7: | ||
{{note| Need Alpine Linux Edge with testing repo in <code>/etc/apk/repositories</code>}} | {{note| Need Alpine Linux Edge with testing repo in <code>/etc/apk/repositories</code>}} | ||
{{cmd| $ doas apk add hardened-malloc}} | {{cmd| $ doas apk add hardened-malloc}} | ||
Then you can set <code>LD_PRELOAD="/usr/lib/libhardened_malloc.so"</code> while launching individual applications or before your window manager starts if you prefer. | |||
=== External sources === | === External sources === | ||
Revision as of 19:16, 16 January 2025
What is it?
An excerpt on github [1]:
This is a security-focused general purpose memory allocator providing the malloc API along with various extensions. It provides substantial hardening against heap corruption vulnerabilities.
How to use
Note: Need Alpine Linux Edge with testing repo in
/etc/apk/repositories$ doas apk add hardened-malloc
Then you can set LD_PRELOAD="/usr/lib/libhardened_malloc.so" while launching individual applications or before your window manager starts if you prefer.
External sources
Hardened malloc github