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(parent: b97a4cb) | patch
Input: evdev - fix overflow in compat_ioctl
authorKenichi Nagai <kenichi3.nagai@toshiba.co.jp>
Fri, 11 May 2007 05:12:15 +0000 (01:12 -0400)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Fri, 11 May 2007 16:08:04 +0000 (09:08 -0700)
commita0e79a1e7856ab4b9822faa9d19d736a3903d132
treec27279afbee1b9927f992938587db09f061398f5tree | snapshot
parentb97a4cbeec47d439f84a1a05ca8646fee296406dcommit | diff
Input: evdev - fix overflow in compat_ioctl

When exporting input device bitmaps via compat_ioctl on BIG_ENDIAN
platforms evdev calculates data size incorrectly. This causes buffer
overflow if user specifies buffer smaller than maxlen.

Signed-off-by: Kenichi Nagai <kenichi3.nagai@toshiba.co.jp>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
drivers/input/evdev.c diff | blob | history
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