Files
minio/cmd
Julien Laurenceau 00d4a206f7 fix: zero EcM when unmarshaling legacy xl.meta V2 headers
The legacy header decode paths zeroed EcN twice (z.EcN, z.EcN = 0, 0)
instead of EcN and EcM, so EcM retained its previous value when the
same structure was reused across decodes. Decoding an xl.meta written
by an older release would then leak the erasure metadata (data/parity
block counts) of a previously decoded object into it, potentially
corrupting quorum and healing decisions.

Also zero the fields on the V1 header path, which had no reset at
all.

Signed-off-by: Julien Laurenceau <julien.laurenceau@pepitedata.com>
2026-10-12 17:02:02 +02:00
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