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sockstat(1): tolerate situation where file info cannot be fetched
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Authored by kib on Jul 20 2024, 12:36 AM.
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Details

Summary
Either due to a race, or to the privilege restrictions, it is not
guaranteed that kern.files returned file information for all pcbs
read from net.inet.<proto>.pcblist.  In this case the file rbtree does
not return the matching file by data address, and code must avoid
dereferencing NULL.

PR:     279875

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rG FreeBSD src repository
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