Bugs item #1940276, was opened at 2008-04-11 08:17
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Nobody/Anonymous (nobody)
Assigned to: Nobody/Anonymous (nobody)
Summary: Endlosloop in libssh2_sftp_close_handle
Initial Comment:
At a customer site we use libssh2 via libcurl.
When trying to close a channel, we now and then come across (trace)
14:30:01.325284 libssh2_sftp_close_handle(0x8116dd0, 0x8114d10, 0xffecb748,
0x805f44b, 0x80f4460) = -37
14:30:01.325453 libssh2_sftp_close_handle(0x8116dd0, 0x8114d10, 0xffecb748,
0x805f44b, 0x80f4460) = -37
and so on
this seeems to be (in sftp.c)
while (sftp->handles) {
libssh2_sftp_close_handle(sftp->handles);
}
and in libssh2_sftp_close_handle
rc = libssh2_channel_write_ex(channel, 0,
(char *) handle->close_packet,
packet_len);
if (rc == PACKET_EAGAIN) {
return PACKET_EAGAIN;
}
We tried to stop this with alarm and sigsetjmp,
but it's still occuring.
Our current workaround is an external killscript,
but that's less than optimal.
Wolfgang Riedel
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