tree bc394d1bd7b321fe3870a079b0d3bbda02154198
parent ed7b44af3517441ba46b84da13773d24809ffdd3
author Dave Chinner <david@fromorbit.com> 1232599067 +1100
committer Felix Blyakher <felixb@sgi.com> 1233677973 -0600

xfs: Check buffer lengths in log recovery

Before trying to obtain, read or write a buffer,
check that the buffer length is actually valid. If
it is not valid, then something read in the recovery
process has been corrupted and we should abort
recovery.

Reported-by: Eric Sesterhenn <snakebyte@gmx.de>
Tested-by: Eric Sesterhenn <snakebyte@gmx.de>
Reviewed-by: Christoph Hellwig <hch@infradead.org>
Reviewed-by: Felix Blyakher <felixb@sgi.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
Signed-off-by: Felix Blyakher <felixb@sgi.com>