[release/2.1] Fix possible panic from WithMediaTypeKeyPrefix#13135
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samuelkarp merged 1 commit intocontainerd:release/2.1from Mar 27, 2026
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As the same instance of a map is used in context and mutated directly, this leads to a situation where: - Calling WithMediaTypeKeyPrefix from parallel goroutines where the context was based on the same base context can trigger a panic. - A subcontext calling WithMediaTypeKeyPrefix changes the value for another context when they both originate from the same base context. Signed-off-by: Tonis Tiigi <[email protected]>
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This is an automated cherry-pick of #12508
/assign thaJeztah