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authorRoel Kluin <roel.kluin@gmail.com>2009-03-24 03:27:48 (GMT)
committerDavid S. Miller <davem@davemloft.net>2009-03-24 22:24:30 (GMT)
commitfb8585fc3f9b39153e0bdaf03f00a02dde9c03c6 (patch)
tree7097afe2b7adc07f38457549a1e89701153ecae9 /drivers/auxdisplay
parent3a05d1404d91efd63f0654a4bf59b8803c32efdd (diff)
downloadlinux-fb8585fc3f9b39153e0bdaf03f00a02dde9c03c6.tar.xz
ctcm: avoid wraparound in length of incoming data
Since the receive code should tolerate any incoming garbage, it should be protected against a potential wraparound when manipulating length values within incoming data. block_len is unsigned, so a too large subtraction will cause a wraparound. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/auxdisplay')
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