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(parent: ae4b477) | patch
drivers/char/ppdev.c: fix information leak to userland
authorVasiliy Kulikov <segooon@gmail.com>
Wed, 27 Oct 2010 22:34:21 +0000 (15:34 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 28 Oct 2010 01:03:14 +0000 (18:03 -0700)
commitf1590b571b377782333b39d014c04164c9932ff0
tree1b93c6c85e6ed6aaf582f91ed9827586de002730tree | snapshot
parentae4b477af94d1c2dfda44f0b28717f90a816c0d4commit | diff
drivers/char/ppdev.c: fix information leak to userland

Structure par_timeout is copied to userland with some padding fields
unitialized.  Field tv_usec has type __kernel_suseconds_t, it differs from
tv_sec's type on some architectures.  It leads to leaking of stack memory.

Signed-off-by: Vasiliy Kulikov <segooon@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
drivers/char/ppdev.c diff | blob | history
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