urndis: avoid KMSAN report
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Authored by chs on Thu, Sep 24, 12:10 AM.

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imp

Summary

in urndis_attach(), keep KMSAN happy by zeroing the entire structure
that we send to the device to fetch the MAC address, rather than
only initializing the MAC address return buffer. Found with KMSAN.

Sponsored by: Netflix
Assisted-By: Claude Code - Opus 5 (1M context)

Diff Detail

Repository

rG FreeBSD src repository

Lint

Lint Skipped

Unit

Tests Skipped

Build Status

Buildable 77239
Build 74122: arc lint + arc unit

Event Timeline

chs requested review of this revision.Thu, Sep 24, 12:10 AM

chs created this revision.

Harbormaster completed remote builds in B77239: Diff 187552.Thu, Sep 24, 12:10 AM

chs added a parent revision: D59954: zfs: avoid false KMSAN reports for functions in .S files..Thu, Sep 24, 12:10 AM

chs added a child revision: D59956: geom_disk: fix the post-read KMSAN check.

Revision Contents
Changeset List

Path

Size

sys/

dev/

usb/

net/

if_urndis.c

2 lines

Diff 187552

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sys/dev/usb/net/if_urndis.c

urndis: avoid KMSAN reportNeeds ReviewPublicActions