From 75d6ad382bb91f363452119d34238e156589ca2d Mon Sep 17 00:00:00 2001
From: David Sterba <dsterba@suse.cz>
Date: Fri, 31 Oct 2014 17:18:08 +0100
Subject: [PATCH] btrfs: more superblock checks, lower bounds on devices and
 sectorsize/nodesize

I received a few crafted images from Jiri, all got through the recently
added superblock checks. The lower bounds checks for num_devices and
sector/node -sizes were missing and caused a crash during mount.

Tools for symbolic code execution were used to prepare the images
contents.

Reported-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
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Reading git-format-patch failed