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Overview
| Comment: | Remove the claim that AFL runs continuously. |
|---|---|
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
82b0b65c876dd772ae2b91ad6c18b1c2 |
| User & Date: | drh 2015-09-19 18:23:42 |
Context
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2015-09-23
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| 00:55 | Mention the valgrindfuzz make target in the discussion of AFL. check-in: 1d0a599d9e user: drh tags: trunk | |
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2015-09-19
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| 18:23 | Remove the claim that AFL runs continuously. check-in: 82b0b65c87 user: drh tags: trunk | |
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2015-09-15
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| 12:38 | Merge the Expensify logo from the previous release branch. check-in: 9da68a0646 user: drh tags: trunk | |
Changes
Changes to pages/testing.in.
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<p>AFL has proven remarkably adept at finding arcane bugs in SQLite. Most of the findings have been assert() statements where the conditional was false under obscure circumstances. But AFL has also found a fair number of crash bugs in SQLite, and even a few cases where SQLite computed incorrect results. <p>Because of its past success, AFL became a standard part of the testing strategy for SQLite beginning with [version 3.8.10]. There are at least two instance of AFL running against SQLite continuously, 24/7/365, trying new randomly mutated inputs against SQLite at a rate of a few hundred to a few thousand per second. Both SQL statements and database files are fuzzed. Billions and billions of mutations have been tried, but AFL's instrumentation has narrowed them down to less than 50,000 test cases that cover all distinct behaviors. Newly discovered test cases are periodically captured and added to the [TCL test suite] where they can be rerun using the "make fuzztest" command. <h3>4.2 Malformed Database Files</h3> |
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<p>AFL has proven remarkably adept at finding arcane bugs in SQLite. Most of the findings have been assert() statements where the conditional was false under obscure circumstances. But AFL has also found a fair number of crash bugs in SQLite, and even a few cases where SQLite computed incorrect results. <p>Because of its past success, AFL became a standard part of the testing strategy for SQLite beginning with [version 3.8.10]. Both SQL statements and database files are fuzzed. Billions and billions of mutations have been tried, but AFL's instrumentation has narrowed them down to less than 50,000 test cases that cover all distinct behaviors. Newly discovered test cases are periodically captured and added to the [TCL test suite] where they can be rerun using the "make fuzztest" command. <h3>4.2 Malformed Database Files</h3> |