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Overview
Comment:Fix walIteratorInit() so that it always leaves the iterator as a NULL pointer if an OOM occurs. This fixes an assertion fault introduced by check-in [044b0b65e716bff].
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SHA3-256: e5ce256aa1f7a8ae995b79c9da895827bee5d8d0724fc15413ff203dc9e2602d
User & Date: drh 2018-03-05 23:23:28
Context
2018-03-06
11:46
Avoid running a couple of tests in crash8.test that depend on the presence of the journal file if running on an F2FS file-system that does not require a journal file. check-in: 797e02e0 user: dan tags: trunk
02:00
Merge the walIteratorInit() fix from trunk. check-in: 6399e101 user: drh tags: memdb
2018-03-05
23:23
Fix walIteratorInit() so that it always leaves the iterator as a NULL pointer if an OOM occurs. This fixes an assertion fault introduced by check-in [044b0b65e716bff]. check-in: e5ce256a user: drh tags: trunk
21:17
Fix another crash in the sessions module triggered by malformed input. check-in: 7e70c9b8 user: dan tags: trunk
Changes
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Changes to src/wal.c.

  1663   1663         p->aSegment[i].aPgno = (u32 *)aPgno;
  1664   1664       }
  1665   1665     }
  1666   1666     sqlite3_free(aTmp);
  1667   1667   
  1668   1668     if( rc!=SQLITE_OK ){
  1669   1669       walIteratorFree(p);
         1670  +    p = 0;
  1670   1671     }
  1671   1672     *pp = p;
  1672   1673     return rc;
  1673   1674   }
  1674   1675   
  1675   1676   /*
  1676   1677   ** Attempt to obtain the exclusive WAL lock defined by parameters lockIdx and