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authormarkm <markm@FreeBSD.org>2015-10-05 07:41:12 +0000
committermarkm <markm@FreeBSD.org>2015-10-05 07:41:12 +0000
commit1342814ae817bf3c736797c4a4576759ef7c2dff (patch)
tree3429626dd1bfd3ea4227b44766f4f82269e52618 /lib/libc/string/wcscpy.c
parent6281bc02a42de874ac2319dd5c0a9ee0d276c49e (diff)
downloadFreeBSD-src-1342814ae817bf3c736797c4a4576759ef7c2dff.zip
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It appears that under some circumstances, like virtualisiation, the
'rdrand' instruction may occasionally not return random numbers, in spite of looping attempts to do so. The reusult is a KASSERT/panic. Reluctantly accept this state-of-affairs, but make a noise about it. if this 'noise' spams the console, it may be time to discontinue using that source. This is written in a general way to account for /any/ source that might not supply random numbers when required. Submitted by: jkh (report and slightly different fix) Approved by: so (/dev/random blanket)
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