in6_pcblookup_local() still can return a pcb with NULL
inp_socket. To avoid panic, do not dereference inp_socket, but obtain reuse port option from inp_flags2, like this is done after next call to in_pcblookup_local() a few lines down below. Submitted by: rwatson
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=233272
@ -245,8 +245,8 @@ in6_pcbbind(register struct inpcb *inp, struct sockaddr *nam,
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if (tw == NULL ||
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(reuseport & tw->tw_so_options) == 0)
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return (EADDRINUSE);
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} else if (t && (reuseport & t->inp_socket->so_options)
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== 0) {
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} else if (t && (reuseport == 0 ||
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(t->inp_flags2 & INP_REUSEPORT) == 0)) {
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return (EADDRINUSE);
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}
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#ifdef INET
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