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rtsock: fix buffer overrun (sockaddr misuse)
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Authored by takahiro.kurosawa_gmail.com on May 12 2022, 11:24 PM.
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Details

Summary

struct sockaddr is not sufficient for buffer that can hold any
sockaddr_* structure. struct sockaddr_storage should be used.

Test Plan

ifconfig epair create
ifconfig epair0a inet6 add 2001:db8::1 up
ndp -s 2001:db8::2 02:86:98:2e:96:0b proxy # this triggers kernel stack overflow

Diff Detail

Repository
rS FreeBSD src repository - subversion
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Lint Passed
Unit
No Test Coverage
Build Status
Buildable 45553
Build 42441: arc lint + arc unit