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(parent: e2280a8) | patch
Avoid overflow in compare_extable_entry() when entries are far appart
authorAndrew Cooper <andrew.cooper3@citrix.com>
Fri, 15 Jan 2016 15:02:00 +0000 (15:02 +0000)
committerAndrew Cooper <andrew.cooper3@citrix.com>
Fri, 15 Jan 2016 15:02:00 +0000 (15:02 +0000)
commitd49a4a797514c019c7015f191c5f49e522d7a999
treee4934380e1e0fffdeb74f489a3d708da7d118911tree
parente2280a8642a307bfb76734b2c75cabbddd223b5dcommit | diff
Avoid overflow in compare_extable_entry() when entries are far appart

Constrain the return value to strictly between -1 and 1.  Without this,
sorting extable entries which are further than 2GB apart fails, as the
calculation overflows the return value.

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
common/extable.c diff | blob | blame | history
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