82173212eed01ffbc811b39fc162b301ba57b16f
size field. The TIOCSFON ioctl size (8192) didn't get encoded properly, as there weren't enough bits for it (12) in the regular format. The new format has only one type field, and an extra flag (_IOC_BIG) turned on. FS checks for this flag and uses the alternative decoding of the ioctl codes to determine the size when doing grants. This unbreaks loadfont, although that still uses a phys copy in tty.
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