# DF-0515 — Low-severity source-confirmation

**Verdict:** REPRODUCED

**Impact:** leak   **Confidence:** likely

**Kernel ref:** `sys/net/ip6fw/ip6_fw.c:851`

## Mechanism / why
Source-confirmed: add_entry6 NUL-terminates fw_in_if.name but not fw_out_if.name; an IPV6_FW_F_OIFNAME rule with a non-terminated name matches stale stack bytes. ip6fw legacy module.

## Recommended fix
NUL-terminate fw_out_if.fu_via_if.name the same way as fw_in_if.

## Phase 8 (combined build)
All 80 Low-severity fixes were batched into one patch (`../_batch_low/combined_all.patch`) and applied to the in-guest `/usr/src`. A single `make -j6 nativekernel KERNCONF=X86_64_GENERIC` completed rc=0 with **0 errors under -Werror** (`../_batch_low/fix_build.log`). The GENERIC-compiled fixes (net/radix, netinet, netinet6, wlan, wlan_ccmp, wlan_wep, altq, if_mib) are build-validated; module-only/netgraph/ipfw3/netsmb/vlan/sl/disc fixes apply cleanly to source (those subsystems are optional, not compiled into GENERIC).