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This is an automatically generated e-mail. To reply, visit:
<a href="https://reviewboard.asterisk.org/r/2743/">https://reviewboard.asterisk.org/r/2743/</a>
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<p style="margin-top: 0;">On August 5th, 2013, 5:51 p.m. UTC, <b>Matt Jordan</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/2743/diff/1/?file=43786#file43786line8222" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/main/pbx.c</a>
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(Diff revision 1)
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static char *handle_unset_extenpatternmatchnew(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static struct ast_cli_entry pbx_cli[] = {</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static struct ast_cli_entry pbx_cli[] = {</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span>AST_CLI_DEFINE(handle_eat_memory, "Eats all available memory"),</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span>AST_CLI_DEFINE(handle_show_applications, "Shows registered dialplan applications"),</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span>AST_CLI_DEFINE(handle_show_applications, "Shows registered dialplan applications"),</pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">So, I think the actual log message fix is okay.
This, however, is *** dangerous ***
While MALLOC_DEBUG is a build option used for debugging purposes, this still essentially adds what amounts to an auto-DOS command to Asterisk. Toss in the number of people who expose the 'command' class authorization on their AMI accounts, and you have a recipe for something frightening.
I'm potentially fine keeping it in as a handy 'test that you system can survive running out of memory' - but if so, let's just #ifdef 0 the whole block.</pre>
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<pre style="margin-left: 1em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Haha :D
I hadn't intended on leaving the code in there just like that, no.
I left it in the review so people could test it if they wanted. Like suggested on IRC, it might be appropriate in the TEST_FRAMEWORK autodestruct module. But I'll #ifdef 0 it out for now.</pre>
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<p>- wdoekes</p>
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<p>On August 5th, 2013, 5:11 p.m. UTC, wdoekes wrote:</p>
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<div>Review request for Asterisk Developers.</div>
<div>By wdoekes.</div>
<p style="color: grey;"><i>Updated Aug. 5, 2013, 5:11 p.m.</i></p>
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<b style="color: #575012; font-size: 10pt;">Repository: </b>
Asterisk
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Description </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Dirty quickfix to tackle ast_log() killing the asterisk when we're out of memory.
I don't like this fix at all. But I like the problem even less.
If anyone has a better idea, do come forward. (Aside from fixing the problem that caused me to run out of memory in the first place. But that's for another day.)</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Testing </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">When MALLOC_DEBUG is disabled,
CLI> core eat memory
did what it's supposed to do: without the patch, asterisk crashed (stack full). With it, it didn't.</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>/trunk/include/asterisk/utils.h <span style="color: grey">(396181)</span></li>
<li>/trunk/main/pbx.c <span style="color: grey">(396181)</span></li>
<li>/trunk/main/utils.c <span style="color: grey">(396181)</span></li>
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<p><a href="https://reviewboard.asterisk.org/r/2743/diff/" style="margin-left: 3em;">View Diff</a></p>
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