Auditing printf-likes in bug 1060419 revealed that android_npapi.h could use MOZ_FORMAT_PRINTF. In particular ANPLogInterfaceV0::log could use this attribute.
Re-triaging per https://bugzilla.mozilla.org/show_bug.cgi?id=1473195 Needinfo :susheel if you think this bug should be re-triaged.
Priority: -- → P5
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