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fs/compat_ioctl.c: VIDEO_SET_SPU_PALETTE missing error check
The compat ioctl for VIDEO_SET_SPU_PALETTE was missing an error check while converting ioctl arguments. This could lead to leaking kernel stack contents into userspace. Patch extracted from existing fix in grsecurity. Signed-off-by: Kees Cook <[email protected]> Cc: David Miller <[email protected]> Cc: Brad Spengler <[email protected]> Cc: PaX Team <[email protected]> Cc: <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
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