On Thu, Feb 17, 2022 at 5:49 AM Damien Le Moal <damien.lemoal@xxxxxxxxxxxxxxxxxx> wrote: > > On 2/17/22 19:13, Kirill Tkhai wrote: > > > > dm_cleanup_zoned_dev() uses queue, so it must be called > > before blk_cleanup_disk() starts its killing: > > > > blk_cleanup_disk->blk_cleanup_queue()->kobject_put()->blk_release_queue()-> > > ->...RCU...->blk_free_queue_rcu()->kmem_cache_free() > > > > Otherwise, RCU callback may be executed first, > > and dm_cleanup_zoned_dev() touches freed memory: > > Mike, > > Can you queue this please ? I queued it earlier today, please see: https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git/commit/?h=dm-5.18&id=588b7f5df0cb64f281290c7672470c006abe7160 Thanks, Mike -- dm-devel mailing list dm-devel@xxxxxxxxxx https://listman.redhat.com/mailman/listinfo/dm-devel
