udf: Check length of extended attributes and allocation descriptors

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commit 23b133bdc4 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>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>

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Jan Kara 2015-01-07 13:49:08 +01:00 • committed by Luis Henriques

parent 3b1ffa0491

commit 24a10af785

1 changed files with 13 additions and 0 deletions

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fs/udf/inode.c

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