On Tue, 14 Jul 2015, Konstantin Khlebnikov wrote: > sysfs_slab_add() shouldn't call kobject_put at error path: this puts > last reference of kmem-cache kobject and frees it. Kmem cache will be > freed second time at error path in kmem_cache_create(). > > For example this happens when slub debug was enabled in runtime and > somebody creates new kmem cache: > > # echo 1 | tee /sys/kernel/slab/*/sanity_checks > # modprobe configfs > > "configfs_dir_cache" cannot be merged because existing slab have debug and > cannot create new slab because unique name ":t-0000096" already taken. > > Signed-off-by: Konstantin Khlebnikov <khlebnikov@xxxxxxxxxxxxxx> Acked-by: David Rientjes <rientjes@xxxxxxxxxx> -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>