s390/keyboard: sanitize array index in do_kdsk_ioctl

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The kbd_ioctl uses two user controlled indexes for KDGKBENT/KDSKBENT.
Use array_index_nospec to prevent any out of bounds speculation.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

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Martin Schwidefsky 2018-07-19 10:27:33 +02:00

parent aeaf7002a7

commit 054732837c

1 changed files with 16 additions and 12 deletions

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drivers/s390/char/keyboard.c

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