On Wed, Nov 15, 2017 at 01:03:45PM -0500, Jeff Layton wrote: > From: Jeff Layton <jlayton@xxxxxxxxxx> > > Currently, we're capping the values too low in the F_GETLK64 case. The > fields in that structure are 64-bit values, so we shouldn't need to do > any sort of fixup there. > > Make sure we check that assumption at build time in the future however > by ensuring that the sizes we're copying will fit. > > With this, we no longer need COMPAT_OFF_T_MAX either, so remove it. Sounds like the COMPAT_LOFF_T_MAX should be a separate patch, but otherwise this looks good. Reviewed-by: Christoph Hellwig <hch@xxxxxx> Btw, I seems like arm has another copy of the old broken compat code in arch/arm/kernel/sys_oabi-compat.c. I wonder if anyone with a vested interest in arm would be willing to clean that mess up.
