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Various network protocol sysctl handlers were not zero-filling their output buffers and thus would export uninitialized stack memory to userland. Fix a number of such handlers. Reported by: Thomas Barabosch, Fraunhofer FKIE Reviewed by: tuexen MFC after: 3 days Security: kernel memory disclosure Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D18301 |
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