On Wed, 17 Mar 2010, KAMEZAWA Hiroyuki wrote: > Ah, my point is "how use-after-free is detected ?" The slab layers do not check for use after free conditions if SLAB_DESTROY_BY_RCU is set. It is legal to access the object after a kfree() etc as long as the RCU period has not passed. > Then, my question is > "Does use-after-free check for SLAB_DESTROY_BY_RCU work correctly ?" Use after free checks are not performed for SLAB_DESTROY_BY_RCU slabs. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>