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(parent: 98f7462) | patch
xfs: check for underflow in xfs_iformat_fork()
authorDan Carpenter <dan.carpenter@oracle.com>
Thu, 15 Aug 2013 05:53:38 +0000 (08:53 +0300)
committerBen Myers <bpm@sgi.com>
Mon, 26 Aug 2013 16:28:08 +0000 (11:28 -0500)
commit0d0ab120d1fe90fcc73a2bfff3945bea636b3025
tree33a2da26d723f130c58b4dc5f597bccc94843309tree | snapshot
parent98f7462c4331cbf283e7b5c2269d17c17b8f00f2commit | diff
xfs: check for underflow in xfs_iformat_fork()

The "di_size" variable comes from the disk and it's a signed 64 bit.
We check the upper limit but we should check for negative numbers as
well.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Ben Myers <bpm@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
fs/xfs/xfs_inode_fork.c diff | blob | history
Domain: System / Uncategorized;