PASSEDinfrastructure / epoch_timestamp_overflow_32bit

Epoch Timestamp Overflow in 32-Bit System

A legacy 32-bit system component used for timestamp calculations in the billing pipeline is experiencing integer overflow when processing dates beyond 2038. A new long-term contract with an end date of 2040 causes the billing calculation to overflow, generating negative timestamps that crash the entire billing pipeline.

Pattern

UNKNOWN

Severity

CRITICAL

Confidence

95%

Remediation

Remote Hands

Test Results

Metric	Expected	Actual
Pattern Recognition	UNKNOWN	UNKNOWN
Severity Assessment	CRITICAL	CRITICAL
Incident Correlation	Yes	17 linked
Cascade Escalation	N/A	No
Remediation	—	Remote Hands — Corax contacts on-site support via call, email, or API

Scenario Conditions

Legacy 32-bit timestamp library in billing pipeline. Contract end date: 2040-12-31 exceeds 32-bit epoch max (2038-01-19). Integer overflow produces negative timestamp. Billing pipeline crashes on overflow. All billing calculations blocked.

Injected Error Messages (2)

billing pipeline crash — integer overflow in timestamp calculation, contract ID: CTR-2026-4471 has end date 2040-12-31 which exceeds 32-bit signed integer epoch maximum (2038-01-19T03:14:07Z), timestamp conversion produced negative value -1891847552, billing rate calculation attempted division by negative time period producing NaN result, entire billing batch job terminated with unhandled arithmetic exception, 12,000 invoices in current batch not processed

contract management system date validation gap — contract CTR-2026-4471 accepted end date of 2040-12-31 without checking downstream system compatibility, 32-bit epoch limit not enforced at data entry, 7 additional contracts with post-2038 dates discovered in database, billing pipeline uses legacy C library with 32-bit time_t for date arithmetic, all contracts extending beyond January 2038 will cause identical overflow, no 64-bit migration path documented for billing timestamp library

Neural Engine Root Cause Analysis

The billing pipeline is experiencing a Year 2038 problem (Y2K38) due to 32-bit signed integer timestamp overflow. Contract CTR-2026-4471 has an end date of 2040-12-31, which exceeds the maximum representable date in 32-bit epoch time (January 19, 2038). This causes timestamp calculations to produce negative values, leading to division by negative time periods that result in NaN values and crash the entire billing batch job. The application lacks proper input validation and error handling for future dates beyond 2038.

Remediation Plan

1. Immediately implement input validation to reject contracts with end dates beyond 2038-01-19 until code fix is deployed. 2. Modify timestamp calculation logic to use 64-bit integers or alternative date handling libraries that support dates beyond 2038. 3. Add proper error handling to gracefully skip problematic records rather than crashing the entire batch. 4. Reprocess the failed batch of 12,000 invoices after applying the fix. 5. Audit all existing contracts for similar future date issues and implement long-term Y2K38 remediation strategy.

Tested: 2026-03-30Monitors: 2 | Incidents: 2Test ID: cmnckiu4q09voobqeyzsg4xl5