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authorJann Horn <jannh@google.com>2019-02-20 22:34:54 +0100
committerDavid S. Miller <davem@davemloft.net>2019-02-22 11:49:28 -0800
commit52baf9878b65872a7fc735d7fae3350ea9f30646 (patch)
tree4cf2045a11e399b9fc4a6930be848a3554c7d752 /fs
parentf5b51fe804ec2a6edce0f8f6b11ea57283f5857b (diff)
net: socket: add check for negative optlen in compat setsockopt
__sys_setsockopt() already checks for `optlen < 0`. Add an equivalent check to the compat path for robustness. This has to be `> INT_MAX` instead of `< 0` because the signedness of `optlen` is different here. Signed-off-by: Jann Horn <jannh@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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