udf: Check length of extended attributes and allocation descriptors
commit 23b133bd upstream. Check length of extended attributes and allocation descriptors when loading inodes from disk. Otherwise corrupted filesystems could confuse the code and make the kernel oops. Reported-by: Carl Henrik Lunde <chlunde@ping.uio.no> Signed-off-by: Jan Kara <jack@suse.cz> [bwh: Backported to 3.16: use make_bad_inode() instead of returning error] Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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