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authorBenjamin Tissoires <benjamin.tissoires@redhat.com>2022-10-05 10:21:55 +0100
committerBenjamin Tissoires <benjamin.tissoires@redhat.com>2022-10-05 10:21:55 +0100
commitedd1533d3ccd82dd5d600986d27d524e6be4c5fd (patch)
tree1ac5ae82ea63114d5c13212e2819531e4507f800 /security/selinux/hooks.c
parent7d8fe4cfc54b5fb2093e12cffa8ca74d3c88e0fa (diff)
parent98d67f250472cdd0f8d083830be3ec9dbb0c65a8 (diff)
Merge branch 'for-6.1/logitech' into for-linus
- Add hanlding of all Bluetooth HID++ devices and fixes in hid++ (Bastien Nocera)
Diffstat (limited to 'security/selinux/hooks.c')
-rw-r--r--security/selinux/hooks.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 79573504783bb..03bca97c8b297 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -91,6 +91,7 @@
#include <uapi/linux/mount.h>
#include <linux/fsnotify.h>
#include <linux/fanotify.h>
+#include <linux/io_uring.h>
#include "avc.h"
#include "objsec.h"
@@ -6987,6 +6988,28 @@ static int selinux_uring_sqpoll(void)
return avc_has_perm(&selinux_state, sid, sid,
SECCLASS_IO_URING, IO_URING__SQPOLL, NULL);
}
+
+/**
+ * selinux_uring_cmd - check if IORING_OP_URING_CMD is allowed
+ * @ioucmd: the io_uring command structure
+ *
+ * Check to see if the current domain is allowed to execute an
+ * IORING_OP_URING_CMD against the device/file specified in @ioucmd.
+ *
+ */
+static int selinux_uring_cmd(struct io_uring_cmd *ioucmd)
+{
+ struct file *file = ioucmd->file;
+ struct inode *inode = file_inode(file);
+ struct inode_security_struct *isec = selinux_inode(inode);
+ struct common_audit_data ad;
+
+ ad.type = LSM_AUDIT_DATA_FILE;
+ ad.u.file = file;
+
+ return avc_has_perm(&selinux_state, current_sid(), isec->sid,
+ SECCLASS_IO_URING, IO_URING__CMD, &ad);
+}
#endif /* CONFIG_IO_URING */
/*
@@ -7231,6 +7254,7 @@ static struct security_hook_list selinux_hooks[] __lsm_ro_after_init = {
#ifdef CONFIG_IO_URING
LSM_HOOK_INIT(uring_override_creds, selinux_uring_override_creds),
LSM_HOOK_INIT(uring_sqpoll, selinux_uring_sqpoll),
+ LSM_HOOK_INIT(uring_cmd, selinux_uring_cmd),
#endif
/*