backport-v2.1: arch: arc: fix the bug of blt in syscall #23499
Merged
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blt is signed comparsion, if r6 is a negative number created by
malicious code, it will pass the check, bring a secure risk.
use blo (unsinged comparison) to do the check.
Signed-off-by: Wayne Ren wei.ren@synopsys.com
Signed-off-by: David Brown david.brown@linaro.org
(backport of #23328)