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upstream: Move state sanity check to before potential use. CID

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915536, ok djm@

OpenBSD-Commit-ID: e10cd1caf73663ca194b2c7f793a785892feb127
This commit is contained in:
dtucker@openbsd.org authored and Darren Tucker committed 2026-11-02 18:07:30 +11:00
1 parent 721ad09d84
commit 511fcdc77d
1 file changed
+4 -3
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packet.c
+4 -3
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@@ -1,4 +1,4 @@
/* $OpenBSD: packet.c,v 1.349 2026/10/30 07:25:33 djm Exp $ */
/* $OpenBSD: packet.c,v 1.350 2026/10/31 03:29:22 dtucker Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -3000,11 +3000,12 @@ sshpkt_protocol_error(struct ssh *ssh, const char *fmt,...)
va_end(args);
logit("Disconnecting %s: %.100s", remote_id, buf);
if (ssh->state == NULL)
cleanup_exit(255); /* Can't poison? then exit */
if ((r = sshpkt_disconnect(ssh, "%s", buf)) != 0 ||
(r = ssh_packet_write_wait(ssh)) != 0)
return r;
if (ssh->state == NULL)
cleanup_exit(255); /* Can't poison? then exit */
ssh->state->poisoned = 1;
return SSH_ERR_PROTOCOL_ERROR;
}