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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2011-11-10 16:08:14 -0500 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2011-11-10 16:09:01 -0500 |
| commit | cf22e851b6ae8737f3e767dffcadf1722fbb36a7 (patch) | |
| tree | 28672f5691aa325398dd653d3b3df9498fa930cf /src/tutorial/basics.source | |
| parent | 409b8c75ba71fe6f3a7f9ccc094810966ef3a177 (diff) | |
| download | postgresql-cf22e851b6ae8737f3e767dffcadf1722fbb36a7.tar.gz postgresql-cf22e851b6ae8737f3e767dffcadf1722fbb36a7.zip | |
Avoid platform-dependent infinite loop in pg_dump.
If malloc(0) returns NULL, the binary search in findSecLabels() will
probably go into an infinite loop when there are no security labels,
because NULL-1 is greater than NULL after wraparound.
(We've seen this pathology before ... I wonder whether there's a way to
detect the class of bugs automatically?)
Diagnosis and patch by Steve Singer, cosmetic adjustments by me
Diffstat (limited to 'src/tutorial/basics.source')
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