kubeovn / kube-ovn / 22605160680

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push

github

Committed by web-flow

Commit Message

fix: protect ANP/BNP/CNP priority maps from concurrent access (#6373)

The priority maps (anpPrioNameMap, anpNamePrioMap, bnpPrioNameMap,
bnpNamePrioMap) are shared across ANP and CNP handler goroutines
which use different per-key mutexes (anpKeyMutex vs cnpKeyMutex).
This means concurrent map read/write can occur, causing a fatal
runtime panic.

Add a sync.RWMutex (priorityMapMutex) to protect all 4 priority
maps. Write lock is held during validate+write in handleAddAnp,
handleAddCnp, handleDeleteAnp, handleDeleteCnp. Read lock is
held for validation-only access in handleUpdateCnp.

Ref: antrea-io/antrea#7717

Signed-off-by: Mengxin Liu <liumengxinfly@gmail.com>
Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

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