postgres

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Tom Lane 32fdf42cf5 Fix assorted integer-overflow hazards in varbit.c.

bitshiftright() and bitshiftleft() would recursively call each other
infinitely if the user passed INT_MIN for the shift amount, due to integer
overflow in negating the shift amount.  To fix, clamp to -VARBITMAXLEN.
That doesn't change the results since any shift distance larger than the
input bit string's length produces an all-zeroes result.

Also fix some places that seemed inadequately paranoid about input typmods
exceeding VARBITMAXLEN.  While a typmod accepted by anybit_typmodin() will
certainly be much less than that, at least some of these spots are
reachable with user-chosen integer values.

Andreas Seltenreich and Tom Lane

Discussion: <87d1j2zqtz.fsf@credativ.de>

2016-10-14 16:28:34 -04:00

backend

Fix assorted integer-overflow hazards in varbit.c.

2016-10-14 16:28:34 -04:00

bin

Remove dead code in pg_dump.

2016-10-13 16:08:16 -04:00

common

Avoid leaking FDs after an fsync failure.

2016-10-02 12:33:46 -04:00

fe_utils

Teach appendShellString() to not quote strings containing "-".