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<base href="https://bugs.freedesktop.org/" />
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<th>Priority</th>
<td>medium
</td>
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<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [PATCH] Fix for SIGSEGV in systemd-bootchart on short-living processes"
href="https://bugs.freedesktop.org/show_bug.cgi?id=70370">70370</a>
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<th>Assignee</th>
<td>systemd-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>[PATCH] Fix for SIGSEGV in systemd-bootchart on short-living processes
</td>
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<th>QA Contact</th>
<td>systemd-bugs@lists.freedesktop.org
</td>
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<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
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<th>OS</th>
<td>All
</td>
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<th>Reporter</th>
<td>i.zhbanov@samsung.com
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<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
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<th>Component</th>
<td>general
</td>
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<th>Product</th>
<td>systemd
</td>
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<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=87447" name="attach_87447" title="[PATCH] Fix for SIGSEGV in systemd-bootchart on short-living processes">attachment 87447</a> <a href="attachment.cgi?id=87447&action=edit" title="[PATCH] Fix for SIGSEGV in systemd-bootchart on short-living processes">[details]</a></span>
[PATCH] Fix for SIGSEGV in systemd-bootchart on short-living processes
The function svg_ps_bars() dereferencess NULL pointer in the line
endtime = ps->last->sampledata->sampletime;
because of partially initialized ps_struct (ps->last == NULL).
If some process terminates between scaning /proc directory in the log_sample()
function and reading additional information from /proc/PID/... files,
the files couldn't be read, the loop will be continued and partially
initialized structure returned.</pre>
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