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Don't try sending on sharing channels.

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The final main loop in do_ssh2_authconn will sometimes loop over all
currently open channels calling ssh2_try_send_and_unthrottle. If the
channel is a sharing one, however, that will reference fields of the
channel structure like 'remwindow', which were never initialised in
the first place (thanks, valgrind). Fix by excluding CHAN_SHARING
channels from that loop.

(cherry picked from commit 7366fde1d4)
This commit is contained in:
Simon Tatham 2015-06-07 21:14:09 +01:00
parent ae93b52a9c
commit d75d136c68
1 changed files with 2 additions and 1 deletions
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3
ssh.c
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@ -10325,7 +10325,8 @@ static void do_ssh2_authconn(Ssh ssh, unsigned char *in, int inlen,
* Try to send data on all channels if we can.
*/
for (i = 0; NULL != (c = index234(ssh->channels, i)); i++)
ssh2_try_send_and_unthrottle(ssh, c);
if (c->type != CHAN_SHARING)
ssh2_try_send_and_unthrottle(ssh, c);
}
}