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inpcb: use internal flag to mark pcbs that are inserted into lbgroup
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Authored by glebius on Jul 26 2023, 3:49 PM.
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F131728318: D41197.diff
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Details

Summary

Using INP_REUSEPORT_LB is unsafe, as it is basically a copy of socket's
SO_REUSEPORT_LB flag, which can be cleared by userland after bind().

Reported by: syzbot+e7d2e451f89fb444319b@syzkaller.appspotmail.com

Diff Detail

Repository
rG FreeBSD src repository
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Lint Skipped
Unit
Tests Skipped
Build Status
Buildable 52854
Build 49745: arc lint + arc unit