3 files changed, 18 insertions, 6 deletions
diff --git a/fs/notify/inotify/inotify.h b/fs/notify/inotify/inotify.h
index 7e4578d35b61..74ae60305189 100644
--- a/fs/notify/inotify/inotify.h
+++ b/fs/notify/inotify/inotify.h
@@ -5,6 +5,7 @@
 
 struct inotify_event_info {
 	struct fsnotify_event fse;
+	u32 mask;
 	int wd;
 	u32 sync_cookie;
 	int name_len;
diff --git a/fs/notify/inotify/inotify_fsnotify.c b/fs/notify/inotify/inotify_fsnotify.c
index f4184b4f3815..ff30abd6a49b 100644
--- a/fs/notify/inotify/inotify_fsnotify.c
+++ b/fs/notify/inotify/inotify_fsnotify.c
@@ -43,11 +43,11 @@ static bool event_compare(struct fsnotify_event *old_fsn,
 {
 	struct inotify_event_info *old, *new;
 
-	if (old_fsn->mask & FS_IN_IGNORED)
-		return false;
 	old = INOTIFY_E(old_fsn);
 	new = INOTIFY_E(new_fsn);
-	if ((old_fsn->mask == new_fsn->mask) &&
+	if (old->mask & FS_IN_IGNORED)
+		return false;
+	if ((old->mask == new->mask) &&
 	    (old_fsn->inode == new_fsn->inode) &&
 	    (old->name_len == new->name_len) &&
 	    (!old->name_len || !strcmp(old->name, new->name)))
@@ -113,8 +113,18 @@ int inotify_handle_event(struct fsnotify_group *group,
 		return -ENOMEM;
 	}
 
+	/*
+	 * We now report FS_ISDIR flag with MOVE_SELF and DELETE_SELF events
+	 * for fanotify. inotify never reported IN_ISDIR with those events.
+	 * It looks like an oversight, but to avoid the risk of breaking
+	 * existing inotify programs, mask the flag out from those events.
+	 */
+	if (mask & (IN_MOVE_SELF | IN_DELETE_SELF))
+		mask &= ~IN_ISDIR;
+
 	fsn_event = &event->fse;
-	fsnotify_init_event(fsn_event, inode, mask);
+	fsnotify_init_event(fsn_event, inode);
+	event->mask = mask;
 	event->wd = i_mark->wd;
 	event->sync_cookie = cookie;
 	event->name_len = len;
diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c
index 798f1253141a..e2901fbb9f76 100644
--- a/fs/notify/inotify/inotify_user.c
+++ b/fs/notify/inotify/inotify_user.c
@@ -189,7 +189,7 @@ static ssize_t copy_event_to_user(struct fsnotify_group *group,
 	 */
 	pad_name_len = round_event_name_len(fsn_event);
 	inotify_event.len = pad_name_len;
-	inotify_event.mask = inotify_mask_to_arg(fsn_event->mask);
+	inotify_event.mask = inotify_mask_to_arg(event->mask);
 	inotify_event.wd = event->wd;
 	inotify_event.cookie = event->sync_cookie;
 
@@ -634,7 +634,8 @@ static struct fsnotify_group *inotify_new_group(unsigned int max_events)
 		return ERR_PTR(-ENOMEM);
 	}
 	group->overflow_event = &oevent->fse;
-	fsnotify_init_event(group->overflow_event, NULL, FS_Q_OVERFLOW);
+	fsnotify_init_event(group->overflow_event, NULL);
+	oevent->mask = FS_Q_OVERFLOW;
 	oevent->wd = -1;
 	oevent->sync_cookie = 0;
 	oevent->name_len = 0;