On Tue, Jan 16, 2018 at 03:30:45PM -0800, Darrick J. Wong wrote: > From: Darrick J. Wong <darrick.wong@xxxxxxxxxx> > > In xfs_scrub_dir_rec, we must walk through the directory block entries > to arrive at the offset given by the hash structure. If we blindly > trust the hash address, we can end up midway into a directory entry and > stray outside the block. Found by lastbit fuzzing lents[3].address in > xfs/390 with KASAN enabled. > > Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx> > --- > v3: refactor endp users to call the helper > v2: improve defensive pointer checking (endp theoretically can be null) Looks good. Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx> -- Dave Chinner david@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-xfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
