* [PATCH] security: export security_kernel_load_data function
@ 2018-07-17 20:23 Arnd Bergmann
2018-07-18 4:28 ` James Morris
0 siblings, 1 reply; 2+ messages in thread
From: Arnd Bergmann @ 2018-07-17 20:23 UTC (permalink / raw)
To: James Morris, Serge E. Hallyn
Cc: Arnd Bergmann, Mimi Zohar, Kees Cook, David Howells,
Eric W. Biederman, linux-security-module, linux-kernel
The firmware_loader can be built as a loadable module, which now
fails when CONFIG_SECURITY is enabled, because a call to the
security_kernel_load_data() function got added, and this is
not exported to modules:
ERROR: "security_kernel_load_data" [drivers/base/firmware_loader/firmware_class.ko] undefined!
Add an EXPORT_SYMBOL_GPL() to make it available here.
Fixes: 6e852651f28e ("firmware: add call to LSM hook before firmware sysfs fallback")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
security/security.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/security/security.c b/security/security.c
index 03e98be76d58..7f9618eaba10 100644
--- a/security/security.c
+++ b/security/security.c
@@ -1121,6 +1121,7 @@ int security_kernel_load_data(enum kernel_load_data_id id)
return ret;
return ima_load_data(id);
}
+EXPORT_SYMBOL_GPL(security_kernel_load_data);
int security_task_fix_setuid(struct cred *new, const struct cred *old,
int flags)
--
2.9.0
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] security: export security_kernel_load_data function
2018-07-17 20:23 [PATCH] security: export security_kernel_load_data function Arnd Bergmann
@ 2018-07-18 4:28 ` James Morris
0 siblings, 0 replies; 2+ messages in thread
From: James Morris @ 2018-07-18 4:28 UTC (permalink / raw)
To: Arnd Bergmann
Cc: Serge E. Hallyn, Mimi Zohar, Kees Cook, David Howells,
Eric W. Biederman, linux-security-module, linux-kernel
On Tue, 17 Jul 2018, Arnd Bergmann wrote:
> The firmware_loader can be built as a loadable module, which now
> fails when CONFIG_SECURITY is enabled, because a call to the
> security_kernel_load_data() function got added, and this is
> not exported to modules:
>
> ERROR: "security_kernel_load_data" [drivers/base/firmware_loader/firmware_class.ko] undefined!
>
> Add an EXPORT_SYMBOL_GPL() to make it available here.
>
> Fixes: 6e852651f28e ("firmware: add call to LSM hook before firmware sysfs fallback")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Thanks!
Applied to
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security.git next-general
--
James Morris
<jmorris@namei.org>
^ permalink raw reply [flat|nested] 2+ messages in thread
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