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Differential D35714

tcp: remove a condition in tcp_usr_detach() that never happens
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Authored by glebius on Jul 4 2022, 7:51 PM.
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transport
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rG1b91978f6375: tcp: remove a condition in tcp_usr_detach() that never happens
Summary

The comment from Robert Watson doubts that this condition ever happens.
Our analysis confirm that. Also, we found that if you manage to create
such a connection with help of some other bug, then after the "second
case" code is execute, the kernel will panic in other parts of the stack.

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rG FreeBSD src repository
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sys/
netinet/
24 lines

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sys/netinet/tcp_usrreq.c

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