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<a href="http://bamboo.asterisk.org/browse/AST18-COMPILE-TARBALL/log" style="font-family: Arial, sans-serif; font-size: 15px; font-weight:bold; color:#000">AST18-COMPILE-TARBALL-122</a>
<span style="font-family: Arial, sans-serif; font-size: 14px;"> has been queued, but there's no agent capable of building it.</span>
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<a href="http://bamboo.asterisk.org/browse/AST18-COMPILE-TARBALL/log" style="text-decoration: none; font-family: Arial, sans-serif;text-align:left;font-size:16px;font-weight:bold;color:#036" >Code Changes</a>
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<a href="http://bamboo.asterisk.org/browse/author/mjordan" style="font-family: Arial, sans-serif; font-size: 13px; font-weight:bold; color:#000">
mjordan</a><br>
Fix negative return handling in channel drivers<br/>
<br/>
In chan_agent, while handling a channel indicate, the agent channel driver<br/>
must obtain a lock on both the agent channel, as well as the channel the<br/>
agent channel is using. To do so, it attempts to lock the other channel<br/>
first, then unlock the agent channel which is locked prior to entry into<br/>
the indicate handler. If this unlock fails with a negative return value,<br/>
which can occur if the object passed to agent_indicate is an invalid ao2<br/>
object or is NULL, the return value is passed directly to strerror, which<br/>
can only accept positive integer values.<br/>
<br/>
In chan_dahdi, the return value of dahdi_get_index is used to directly<br/>
index into the sub-channel array. If dahd_get_index returns a negative<br/>
value, it would use that value to index into the array, which could cause<br/>
an invalid memory access. If dahdi_get_index returns a negative number,<br/>
we now default to SUB_REAL.<br/>
<br/>
(issue ASTERISK-19655)<br/>
Reported by: Matt Jordan<br/>
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Review: <a href="https://reviewboard.asterisk.org/r/1863/">https://reviewboard.asterisk.org/r/1863/</a>
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(362204)
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