On Fri, 14 Aug 2015 10:23:51 -0700 Greg KH <[email protected]> wrote: > On Fri, Aug 14, 2015 at 05:04:21PM +1000, NeilBrown wrote: > > > > commit b97e92574c0bf335db1cd2ec491d8ff5cd5d0b49 upstream > > Use separate bitmaps for each nodes in the cluster > > > > bitmap_read_sb() validates the bitmap superblock that it reads in. > > If it finds an inconsistency like a bad magic number or out-of-range > > version number, it prints an error and returns, but it incorrectly > > returns zero, so the array is still assembled with the (invalid) bitmap. > > > > This means it could try to use a bitmap with a new version number which > > it therefore does not understand. > > > > This bug was introduced in 3.5 and fix as part of a larger patch in 4.1. > > So the patch is suitable for any -stable kernel in that range. > > > > Fixes: 27581e5ae01f ("md/bitmap: centralise allocation of bitmap file > > pages.") > > Cc: [email protected] (v3.5..v4.1) > > b97e92574c0 is in 4.1, so do you mean (v3.5..v4.0) here? >
Yes, I did. Thanks! v3.5..v4.0. NeilBrown -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
