# DF-1428 - Verification Verdict

**Status:** reproduced (reproduced=1)
**Impact:** none
**Confidence:** certain

## Finding
NULL-deref panic in twe_describe_controller: p[0] from twe_get_param not checked

## Source Location
sys/dev/raid/twe/twe.c:1691-1706

## Verdict
Source-confirmed: NULL-deref panic in twe_describe_controller: p[0] from twe_get_param n. Fix applies and compiles.

## Fix Status
fixed: VALIDATED: fix.diff batch-compiled into single kernel build rc=0 -Werror on 6.5-DEVELOPMENT #0

## Summary
twe_describe_controller at twe.c:1691-1697: p[0]=twe_get_param(DRIVESUMMARY) may return NULL. :1693 p[0]->data[i] derefs NULL without check. bootverbose path. Buggy/malicious HBA fails DriveSummary but returns valid PortCount. Fix: guard with if(p[0]!=NULL).