linux-kernel - [PATCH -repost 17/21] kgr: exercise non-present function

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1403694435-3180-17-git-send-email-jslaby@suse.cz>
Date:	Wed, 25 Jun 2014 13:07:11 +0200
From:	Jiri Slaby <jslaby@...e.cz>
To:	linux-kernel@...r.kernel.org
Cc:	tj@...nel.org, rostedt@...dmis.org, mingo@...hat.com,
	akpm@...ux-foundation.org, andi@...stfloor.org,
	paulmck@...ux.vnet.ibm.com, pavel@....cz, jirislaby@...il.com,
	Vojtech Pavlik <vojtech@...e.cz>, Michael Matz <matz@...e.de>,
	Jiri Kosina <jkosina@...e.cz>, Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH -repost 17/21] kgr: exercise non-present function

This is to test the newly added functionality: non-fatal patching of
yet unknown functions.

Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
 samples/kgraft/kgraft_patcher.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/samples/kgraft/kgraft_patcher.c b/samples/kgraft/kgraft_patcher.c
index 5d02a908bc26..e96eef840397 100644
--- a/samples/kgraft/kgraft_patcher.c
+++ b/samples/kgraft/kgraft_patcher.c
@@ -63,10 +63,17 @@ static bool new_capable(int cap)
 }
 KGR_PATCHED_FUNCTION(capable, new_capable, true);
 
+static void new_function(unsigned long data)
+{
+	pr_info("kgr-patcher: %s\n", __func__);
+}
+KGR_PATCHED_FUNCTION(unknown_function, new_function, false);
+
 static struct kgr_patch patch = {
 	.patches = {
 		KGR_PATCH(SyS_iopl),
 		KGR_PATCH(capable),
+		KGR_PATCH(unknown_function),
 		KGR_PATCH_END
 	}
 };
-- 
2.0.0

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/