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Fixed netstat underflow bug

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- Fixed netstat sometime underflow to a large negative number bug
This commit is contained in:
Toby Chui 2025-02-16 21:10:56 +08:00
parent 895ee1e53f
commit de9d3bfb65
1 changed files with 5 additions and 1 deletions
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6
src/mod/netstat/netstat.go
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@ -212,6 +212,10 @@ func (n *NetStatBuffers) GetNetworkInterfaceStats() (int64, int64, error) {
totalTx += counter.BytesSent
}
// Convert bytes to bits
// Convert bytes to bits with overflow check
const maxInt64 = int64(^uint64(0) >> 1)
if totalRx*8 > uint64(maxInt64) || totalTx*8 > uint64(maxInt64) {
return 0, 0, errors.New("overflow detected when converting uint64 to int64")
}
return int64(totalRx * 8), int64(totalTx * 8), nil
}