Hardened malloc - Revision history

Zcrayfish: /* How to use */ Use pkg template.

2025-01-22T01:05:26Z

How to use: Use pkg template.

← Older revision		Revision as of 01:05, 22 January 2025
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	=== How to use ===		=== How to use ===
	{{note\| Need Alpine Linux Edge with testing repo in {{path\|/etc/apk/repositories}}}}		{{note\| Need Alpine Linux Edge with testing repo in {{path\|/etc/apk/repositories}}}}
	{{cmd\| $ doas apk add hardened-malloc}}		{{cmd\| $ doas apk add {{pkg\|hardened-malloc\|arch=}}}}

	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. For a more global setting placing the LD_PRELOAD reference into {{path\|/etc/profile}} or {{path\|/etc/profile.d/}} might help, as well as {{path\|/etc/environment}} for PAM-based systems.		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. For a more global setting placing the LD_PRELOAD reference into {{path\|/etc/profile}} or {{path\|/etc/profile.d/}} might help, as well as {{path\|/etc/environment}} for PAM-based systems.

Zcrayfish: /* How to use */ Use path template.

2025-01-22T01:04:40Z

How to use: Use path template.

← Older revision		Revision as of 01:04, 22 January 2025
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	=== How to use ===		=== How to use ===
	{{note\| Need Alpine Linux Edge with testing repo in ~~<code>~~/etc/apk/repositories~~</code>~~}}		{{note\| Need Alpine Linux Edge with testing repo in {{path\|/etc/apk/repositories}}}}
	{{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. For a more global setting placing the LD_PRELOAD reference into ~~<code>~~/etc/profile~~</code>~~ or ~~<code>~~/etc/profile.d/~~</code>~~ might help, as well as ~~<code>~~/etc/environment~~</code>~~ for PAM-based systems.		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. For a more global setting placing the LD_PRELOAD reference into {{path\|/etc/profile}} or {{path\|/etc/profile.d/}} might help, as well as {{path\|/etc/environment}} for PAM-based systems.

	=== External sources ===		=== External sources ===

Coolman at 19:26, 16 January 2025

2025-01-16T19:26:43Z

← Older revision		Revision as of 19:26, 16 January 2025
Line 8:		Line 8:
	{{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. For a more global setting placing the LD_PRELOAD reference into <code>/etc/profile</code> or <code>/etc/profile.d/</code> might help, as well as /etc/environment for PAM-based systems.		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. For a more global setting placing the LD_PRELOAD reference into <code>/etc/profile</code> or <code>/etc/profile.d/</code> might help, as well as <code>/etc/environment</code> for PAM-based systems.

	=== External sources ===		=== External sources ===

Coolman at 19:26, 16 January 2025

2025-01-16T19:26:27Z

← Older revision		Revision as of 19:26, 16 January 2025
Line 8:		Line 8:
	{{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. For a more global setting placing the LD_PRELOAD reference into /etc/profile or /etc/profile.d/ might help, as well as /etc/environment for PAM-based systems.		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. For a more global setting placing the LD_PRELOAD reference into <code>/etc/profile</code> or <code>/etc/profile.d/</code> might help, as well as /etc/environment for PAM-based systems.

	=== External sources ===		=== External sources ===

Coolman at 19:25, 16 January 2025

2025-01-16T19:25:58Z

← Older revision		Revision as of 19:25, 16 January 2025
Line 8:		Line 8:
	{{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.		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. For a more global setting placing the LD_PRELOAD reference into /etc/profile or /etc/profile.d/ might help, as well as /etc/environment for PAM-based systems.

	=== External sources ===		=== External sources ===

Coolman: /etc/ld.so.preload is a glibc thing, not going to work on Alpine

2025-01-16T19:16:24Z

/etc/ld.so.preload is a glibc thing, not going to work on Alpine

← Older revision		Revision as of 19:16, 16 January 2025
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}}
	~~{{cmd\| $ doas echo~~ "/usr/lib/libhardened_malloc.so" > ~~/etc/ld.so~~.~~preload}}~~
			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 ===

Pursuable1652 at 03:08, 12 December 2024

2024-12-12T03:08:07Z

← Older revision		Revision as of 03:08, 12 December 2024
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}}
	{{cmd\| $ doas echo /usr/lib/libhardened_malloc.so > /etc/ld.so.preload}}		{{cmd\| $ doas echo "/usr/lib/libhardened_malloc.so" > /etc/ld.so.preload}}

	=== External sources ===		=== External sources ===

Pursuable1652 at 07:53, 11 December 2024

2024-12-11T07:53:38Z

← Older revision		Revision as of 07:53, 11 December 2024
Line 8:		Line 8:
	{{cmd\| $ doas apk add hardened-malloc}}		{{cmd\| $ doas apk add hardened-malloc}}
	{{cmd\| $ doas echo /usr/lib/libhardened_malloc.so > /etc/ld.so.preload}}		{{cmd\| $ doas echo /usr/lib/libhardened_malloc.so > /etc/ld.so.preload}}

			=== External sources ===
			Hardened malloc github
			* [https://github.com/GrapheneOS/hardened_malloc https://github.com/GrapheneOS/hardened_malloc] [1]

			[[Category:Security]]

Pursuable1652: Created page with "=== What is it? === An excerpt on [https://github.com/GrapheneOS/hardened_malloc 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`}} {{cmd| $ doas apk add hardened-malloc}} {{cmd| $ doas echo /usr/lib/libharde..."

2024-12-11T07:52:02Z

Created page with "=== What is it? === An excerpt on [https://github.com/GrapheneOS/hardened_malloc 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 <code>/etc/apk/repositories</code>}} {{cmd| $ doas apk add hardened-malloc}} {{cmd| $ doas echo /usr/lib/libharde..."

New page

=== What is it? ===
An excerpt on [https://github.com/GrapheneOS/hardened_malloc 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 <code>/etc/apk/repositories</code>}}
{{cmd| $ doas apk add hardened-malloc}}
{{cmd| $ doas echo /usr/lib/libhardened_malloc.so > /etc/ld.so.preload}}