zfs: avoid disclosing uninitialized data in various zil functions
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Authored by chs on Thu, Sep 24, 12:09 AM.

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delphij

Details

Reviewers

imp

Summary

Fully initialize all structures that are later written to the ZIL.
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 77235
Build 74118: arc lint + arc unit

Event Timeline

chs created this revision.Thu, Sep 24, 12:09 AM

Herald added a subscriber: delphij. · View Herald TranscriptThu, Sep 24, 12:09 AM

chs requested review of this revision.Thu, Sep 24, 12:09 AM

Harbormaster completed remote builds in B77235: Diff 187548.Thu, Sep 24, 12:09 AM

chs added a parent revision: D59950: tcp: avoid disclosing uninitialize data in tcp_log code.Thu, Sep 24, 12:09 AM

chs added a child revision: D59952: linuxkpi: avoid false KMSAN report.

Revision Contents
Changeset List

Path

Size

sys/

contrib/

openzfs/

module/

zfs/

zfs_log.c

54 lines

Diff 187548

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sys/contrib/openzfs/module/zfs/zfs_log.c

zfs: avoid disclosing uninitialized data in various zil functionsNeeds ReviewPublicActions