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| author | Peter Geoghegan <pg@bowt.ie> | 2024-08-26 11:29:13 -0400 |
|---|---|---|
| committer | Peter Geoghegan <pg@bowt.ie> | 2024-08-26 11:29:13 -0400 |
| commit | 6749d4aabe74ca37ce351f2e318fe1b3bcf2b71c (patch) | |
| tree | fa2d8ddd41fcc5b6aa6efa897b1827740fdf3aaf /src/backend/utils/adt/jsonpath_exec.c | |
| parent | 5e58107b0bb5a10b36ba4af4a9f82e6254d75e9f (diff) | |
| download | postgresql-6749d4aabe74ca37ce351f2e318fe1b3bcf2b71c.tar.gz postgresql-6749d4aabe74ca37ce351f2e318fe1b3bcf2b71c.zip | |
Fix nbtree lookahead overflow bug.
Add bounds checking to nbtree's lookahead/skip-within-a-page mechanism.
Otherwise it's possible for cases with lots of before-array-keys tuples
to overflow an int16 variable, causing the mechanism to generate an out
of bounds page offset number.
Oversight in commit 5bf748b8, which enhanced nbtree ScalarArrayOp
execution.
Reported-By: Alexander Lakhin <exclusion@gmail.com>
Discussion: https://postgr.es/m/6c68ac42-bbb5-8b24-103e-af0e279c536f@gmail.com
Backpatch: 17-, where nbtree SAOP execution was enhanced.
Diffstat (limited to 'src/backend/utils/adt/jsonpath_exec.c')
0 files changed, 0 insertions, 0 deletions