On Mon, 31 Jan 2011 16:25:08 +0100 Adam Kwolek <adam.kwolek@xxxxxxxxx> wrote: > When for raid0 metadata is updated outside mdmon it can happen that > memory corruption occurs due to too amount of memory is allocated > for imsm device structure. > > 1. imsm: FIX: mdmon crash during 2 raid0 arrays expansion > this patch is almost the same to sent earlier except 2 changes: > a) compilation problem > b) size should affect anchor size also > (added calculation changes extends space_needed variable also > this variable is used for anchor allocation) > so it replaces previous one. > 2. imsm: FIX: sizeof_imsm_dev() can return too small value > size returned by sizeof_imsm_dev() describes minimum size of device > This is correct when both device maps has the same length > When device expands or shrinks we should return size that allows > for storing larger device information to avoid memory corruption. > Both applied (replacing the previous one).. Thanks. NeilBrown > BR > Adam > > --- > > Adam Kwolek (2): > imsm: FIX: sizeof_imsm_dev() can return too small value > imsm: FIX: mdmon crash during 2 raid0 arrays expansion > > > super-intel.c | 20 +++++++++++++++----- > 1 files changed, 15 insertions(+), 5 deletions(-) > -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
