btf: fix race in mutableTypes.copy #1358
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We reference mt.copiedTypeIDs during copy to be able to figure out the correct ID for a copied type. This access can currently race with mutableTypes.add since we don't protect mt.copiedTypeIDs. Take a read lock to prevent modification. Signed-off-by: Lorenz Bauer <[email protected]>
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We reference mt.copiedTypeIDs during copy to be able to figure out the correct ID for a copied type. This access can currently race with mutableTypes.add since we don't protect mt.copiedTypeIDs.
Take a read lock to prevent modification.