From: Alice Ryhl <aliceryhl@google.com>
To: Paul Moore <paul@paul-moore.com>,
James Morris <jmorris@namei.org>,
"Serge E. Hallyn" <serge@hallyn.com>
Cc: Alice Ryhl <aliceryhl@google.com>,
Carlos Llamas <cmllamas@google.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-security-module@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: [PATCH] security: export binder symbols
Date: Mon, 19 Jan 2026 08:51:07 +0000 [thread overview]
Message-ID: <20260119085109.2238878-1-aliceryhl@google.com> (raw)
To enable building Rust Binder (possibly also C Binder) as a module,
export these symbols.
Signed-off-by: Alice Ryhl <aliceryhl@google.com>
---
security/security.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/security/security.c b/security/security.c
index 31a688650601..b4776f0e25b3 100644
--- a/security/security.c
+++ b/security/security.c
@@ -479,61 +479,65 @@ int security_binder_set_context_mgr(const struct cred *mgr)
/**
* security_binder_set_context_mgr() - Check if becoming binder ctx mgr is ok
* @mgr: task credentials of current binder process
*
* Check whether @mgr is allowed to be the binder context manager.
*
* Return: Return 0 if permission is granted.
*/
int security_binder_set_context_mgr(const struct cred *mgr)
{
return call_int_hook(binder_set_context_mgr, mgr);
}
+EXPORT_SYMBOL_GPL(security_binder_set_context_mgr);
/**
* security_binder_transaction() - Check if a binder transaction is allowed
* @from: sending process
* @to: receiving process
*
* Check whether @from is allowed to invoke a binder transaction call to @to.
*
* Return: Returns 0 if permission is granted.
*/
int security_binder_transaction(const struct cred *from,
const struct cred *to)
{
return call_int_hook(binder_transaction, from, to);
}
+EXPORT_SYMBOL_GPL(security_binder_transaction);
/**
* security_binder_transfer_binder() - Check if a binder transfer is allowed
* @from: sending process
* @to: receiving process
*
* Check whether @from is allowed to transfer a binder reference to @to.
*
* Return: Returns 0 if permission is granted.
*/
int security_binder_transfer_binder(const struct cred *from,
const struct cred *to)
{
return call_int_hook(binder_transfer_binder, from, to);
}
+EXPORT_SYMBOL_GPL(security_binder_transfer_binder);
/**
* security_binder_transfer_file() - Check if a binder file xfer is allowed
* @from: sending process
* @to: receiving process
* @file: file being transferred
*
* Check whether @from is allowed to transfer @file to @to.
*
* Return: Returns 0 if permission is granted.
*/
int security_binder_transfer_file(const struct cred *from,
const struct cred *to, const struct file *file)
{
return call_int_hook(binder_transfer_file, from, to, file);
}
+EXPORT_SYMBOL_GPL(security_binder_transfer_file);
/**
* security_ptrace_access_check() - Check if tracing is allowed
base-commit: 8f0b4cce4481fb22653697cced8d0d04027cb1e8
prerequisite-patch-id: 0000000000000000000000000000000000000000
--
2.52.0.457.g6b5491de43-goog
next reply other threads:[~2026-01-19 8:51 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-19 8:51 Alice Ryhl [this message]
2026-01-19 9:13 ` [PATCH] security: export binder symbols Greg Kroah-Hartman
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