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rGf71cb9f74808: tcp: inp_socket is valid through the lifetime of a TCP inpcb

Summary

The inp_socket is cleared only in in_pcbdetach(), which for TCP is
always accompanied with inp_pcbfree(). An inpcb that went through
in_pcbfree() shall never be returned by any kind of pcb lookup.

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rG FreeBSD src repository

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glebius created this revision.Oct 19 2022, 10:43 PM

Herald added 1 blocking reviewer(s): transport. · View Herald TranscriptOct 19 2022, 10:43 PM

Herald added subscribers: melifaro, imp. · View Herald Transcript

glebius requested review of this revision.Oct 19 2022, 10:43 PM

Harbormaster completed remote builds in B47923: Diff 112013.Oct 19 2022, 10:44 PM

glebius added a parent revision: D37061: inpcb: don't return INP_DROPPED entries from pcb lookups.Oct 19 2022, 10:51 PM

tuexen accepted this revision.Oct 20 2022, 9:28 AM

This revision is now accepted and ready to land.Oct 20 2022, 9:28 AM

glebius added a child revision: D37123: tcp: provide macros to access inpcb and socket from a tcpcb.Oct 25 2022, 6:20 PM

glebius added a child revision: D37127: tcp: embed inpcb into tcpcb.Oct 25 2022, 7:01 PM

Closed by commit rGf71cb9f74808: tcp: inp_socket is valid through the lifetime of a TCP inpcb (authored by glebius). · Explain WhyNov 8 2022, 6:26 PM

This revision was automatically updated to reflect the committed changes.

glebius added a commit: rGf71cb9f74808: tcp: inp_socket is valid through the lifetime of a TCP inpcb.

tcp: inp_socket is valid through the lifetime of a TCP inpcb
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Diff 112785

sys/netinet/tcp_input.c

sys/netinet/tcp_subr.c

sys/netinet/tcp_timer.c

tcp: inp_socket is valid through the lifetime of a TCP inpcbClosedPublicActions

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Revision ContentsChangeset List

Diff 112785

sys/netinet/tcp_input.c

sys/netinet/tcp_subr.c

sys/netinet/tcp_timer.c

tcp: inp_socket is valid through the lifetime of a TCP inpcb
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