programming:bash:overflow
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#!/bin/bash ((X=2**16)); echo $X ((X=2**32)); echo $X ((X=2**64)); echo $X #Overflow ((X=(2**64)-1)); echo $X #Overflow ((X=2**63)); echo $X #Overflow ((X=(2**63)-1)); echo $X #Limit MAX signed int ((X++)); echo $X #Overflow - Limit MIN signed int X=9223372036854775807; echo $X #String or Int, we will never now ((X=($X*1))); echo $X #Int ((X=($X*2))); echo $X #Int overflow ((X++)); echo $X #Int overflow X=9223372036854775908; echo $X #String ((X++)); echo $X #INT overflow
Output will be:
65536 4294967296 0 #Overflow -1 #Overflow -9223372036854775808 #Overflow 9223372036854775807 #Limit MAX signed int -9223372036854775808 #Overflow - Limit MIN signed int 9223372036854775807 #String or Int, we will never now 9223372036854775807 #Int -2 #Int overflow -1 9223372036854775908 #String -9223372036854775707 #INT overflow
programming/bash/overflow.1648654231.txt.gz · Last modified: 2022/03/30 15:30 by ateixeira