Merge tag 'v4.14-rc2' into patchwork

Linux 4.14-rc2

* tag 'v4.14-rc2': (12066 commits)
  Linux 4.14-rc2
  tpm: ibmvtpm: simplify crq initialization and document crq format
  tpm: replace msleep() with  usleep_range() in TPM 1.2/2.0 generic drivers
  Documentation: tpm: add powered-while-suspended binding documentation
  tpm: tpm_crb: constify acpi_device_id.
  tpm: vtpm: constify vio_device_id
  security: fix description of values returned by cap_inode_need_killpriv
  x86/asm: Fix inline asm call constraints for Clang
  objtool: Handle another GCC stack pointer adjustment bug
  inet: fix improper empty comparison
  net: use inet6_rcv_saddr to compare sockets
  net: set tb->fast_sk_family
  net: orphan frags on stand-alone ptype in dev_queue_xmit_nit
  MAINTAINERS: update git tree locations for ieee802154 subsystem
  SMB3: Don't ignore O_SYNC/O_DSYNC and O_DIRECT flags
  SMB3: handle new statx fields
  arch: remove unused *_segments() macros/functions
  parisc: Unbreak bootloader due to gcc-7 optimizations
  parisc: Reintroduce option to gzip-compress the kernel
  apparmor: fix apparmorfs DAC access permissions
  ...

1 files changed, 11 insertions, 2 deletions

diff --git a/scripts/gcc-plugins/structleak_plugin.c b/scripts/gcc-plugins/structleak_plugin.c
index fa3d7a4b26f2..3f8dd4868178 100644
--- a/scripts/gcc-plugins/structleak_plugin.c
+++ b/scripts/gcc-plugins/structleak_plugin.c
@@ -16,6 +16,7 @@
  * Options:
  * -fplugin-arg-structleak_plugin-disable
  * -fplugin-arg-structleak_plugin-verbose
+ * -fplugin-arg-structleak_plugin-byref-all
  *
  * Usage:
  * $ # for 4.5/4.6/C based 4.7
@@ -42,6 +43,7 @@ static struct plugin_info structleak_plugin_info = {
 };
 
 static bool verbose;
+static bool byref_all;
 
 static tree handle_user_attribute(tree *node, tree name, tree args, int flags, bool *no_add_attrs)
 {
@@ -150,7 +152,9 @@ static void initialize(tree var)
 	/* these aren't the 0days you're looking for */
 	if (verbose)
 		inform(DECL_SOURCE_LOCATION(var),
-			"userspace variable will be forcibly initialized");
+			"%s variable will be forcibly initialized",
+			(byref_all && TREE_ADDRESSABLE(var)) ? "byref"
+							     : "userspace");
 
 	/* build the initializer expression */
 	initializer = build_constructor(TREE_TYPE(var), NULL);
@@ -190,7 +194,8 @@ static unsigned int structleak_execute(void)
 			continue;
 
 		/* if the type is of interest, examine the variable */
-		if (TYPE_USERSPACE(type))
+		if (TYPE_USERSPACE(type) ||
+		    (byref_all && TREE_ADDRESSABLE(var)))
 			initialize(var);
 	}
 
@@ -232,6 +237,10 @@ __visible int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gc
 			verbose = true;
 			continue;
 		}
+		if (!strcmp(argv[i].key, "byref-all")) {
+			byref_all = true;
+			continue;
+		}
 		error(G_("unknown option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key);
 	}