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* [PATCH] fuse: fix bug in control filesystem mount
@ 2007-01-29 19:47 Miklos Szeredi
  0 siblings, 0 replies; only message in thread
From: Miklos Szeredi @ 2007-01-29 19:47 UTC (permalink / raw)
  To: torvalds; +Cc: akpm, linux-kernel

Linus, please apply before 2.6.20.  Thanks.

The BUG in fuse_ctl_add_dentry() could be triggered if the control
filesystem was unmounted and mounted again while one or more fuse
filesystems were present.

The fix is to reset the dentry counter in fuse_ctl_kill_sb().

Bug reported by Florent Mertens.

Signed-off-by: Miklos Szeredi <>

Index: linux/fs/fuse/control.c
--- linux.orig/fs/fuse/control.c	2007-01-29 20:40:50.000000000 +0100
+++ linux/fs/fuse/control.c	2007-01-29 20:40:52.000000000 +0100
@@ -193,8 +193,12 @@ static int fuse_ctl_get_sb(struct file_s
 static void fuse_ctl_kill_sb(struct super_block *sb)
+	struct fuse_conn *fc;
 	fuse_control_sb = NULL;
+	list_for_each_entry(fc, &fuse_conn_list, entry)
+		fc->ctl_ndents = 0;

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2007-01-29 19:47 [PATCH] fuse: fix bug in control filesystem mount Miklos Szeredi

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