This is a note to let you know that I've just added the patch titled fuse: check size of FUSE_NOTIFY_INVAL_ENTRY message
to the 2.6.33-longterm tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/longterm/longterm-queue-2.6.33.git;a=summary The filename of the patch is: fuse-check-size-of-fuse_notify_inval_entry-message.patch and it can be found in the queue-2.6.33 subdirectory. If you, or anyone else, feels it should not be added to the 2.6.33 longterm tree, please let <sta...@kernel.org> know about it. >From c2183d1e9b3f313dd8ba2b1b0197c8d9fb86a7ae Mon Sep 17 00:00:00 2001 From: Miklos Szeredi <mszer...@suse.cz> Date: Wed, 24 Aug 2011 10:20:17 +0200 Subject: fuse: check size of FUSE_NOTIFY_INVAL_ENTRY message From: Miklos Szeredi <mszer...@suse.cz> commit c2183d1e9b3f313dd8ba2b1b0197c8d9fb86a7ae upstream. FUSE_NOTIFY_INVAL_ENTRY didn't check the length of the write so the message processing could overrun and result in a "kernel BUG at fs/fuse/dev.c:629!" Reported-by: Han-Wen Nienhuys <hanw...@gmail.com> Signed-off-by: Miklos Szeredi <mszer...@suse.cz> Signed-off-by: Greg Kroah-Hartman <gre...@suse.de> --- fs/fuse/dev.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -899,6 +899,10 @@ static int fuse_notify_inval_entry(struc if (outarg.namelen > FUSE_NAME_MAX) goto err; + err = -EINVAL; + if (size != sizeof(outarg) + outarg.namelen + 1) + goto err; + name.name = buf; name.len = outarg.namelen; err = fuse_copy_one(cs, buf, outarg.namelen + 1); Patches currently in longterm-queue-2.6.33 which might be from mszer...@suse.cz are /home/gregkh/linux/longterm/longterm-queue-2.6.33/queue-2.6.33/fuse-check-size-of-fuse_notify_inval_entry-message.patch _______________________________________________ stable mailing list stable@linux.kernel.org http://linux.kernel.org/mailman/listinfo/stable