Re: [dm-devel] [dm-devel resend] dm mpath: fix UAF in multipath_message()

2023-08-02 Thread Mike Snitzer
On Thu, May 18 2023 at 8:11P -0400, lilingfeng (A) wrote: > > 在 2022/10/18 3:56, Mike Snitzer 写道: > > On Mon, Oct 10 2022 at 10:41P -0400, > > Luo Meng wrote: > > > > > From: Luo Meng > > > > > > If dm_get_device() create dd in multipath_message(), > > > and then call table_deps() after

Re: [dm-devel] [PATCH v13 3/9] block: add emulation for copy

2023-08-02 Thread Kent Overstreet
On Tue, Aug 01, 2023 at 06:37:02PM +0530, Nitesh Shetty wrote: > On 23/07/20 09:50AM, Christoph Hellwig wrote: > > > +static void *blkdev_copy_alloc_buf(sector_t req_size, sector_t > > > *alloc_size, > > > + gfp_t gfp_mask) > > > +{ > > > + int min_size = PAGE_SIZE; > > > + void *buf; > >