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char: lp: fix possible integer overflow in lp_setup()
The lp_setup() code doesn't apply any bounds checking when passing "lp=none", and only in this case, resulting in an overflow of the parport_nr array. All versions in Git history are affected. Reported-By: Roee Hay <firstname.lastname@example.org> Cc: Ben Hutchings <email@example.com> Cc: firstname.lastname@example.org Signed-off-by: Willy Tarreau <email@example.com> Signed-off-by: Greg Kroah-Hartman <firstname.lastname@example.org>
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