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[ Upstream commit67373ca840] MAXAG is a legitimate value for bmp->db_numag Fixes:e63866a475("jfs: fix out-of-bounds in dbNextAG() and diAlloc()") Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com> Signed-off-by: Sasha Levin <sashal@kernel.org>