On 9/25/23 10:52, Jason Gunthorpe wrote: > On Mon, Sep 25, 2023 at 08:00:39AM -0700, Bart Van Assche wrote: >> On 9/24/23 21:47, Daisuke Matsuda (Fujitsu) wrote: >>> As Bob wrote above, nobody has found any logical failure in rxe >>> driver. >> >> That's wrong. In case you would not yet have noticed my latest email in >> this thread, please take a look at >> https://lore.kernel.org/linux-rdma/e8b76fae-780a-470e-8ec4-c6b650793d10@xxxxxxxxxxxxx/T/#m0fd8ea8a4cbc27b37b042ae4f8e9b024f1871a73. >> I think the report in that email is a 100% proof that there is a >> use-after-free issue in the rdma_rxe driver. Use-after-free issues have >> security implications and also can cause data corruption. I propose to >> revert the commit that introduced the rdma_rxe use-after-free unless someone >> comes up with a fix for the rdma_rxe driver. > > I should say I'm not keen on reverting improvements to rxe. This stuff > needs to happen eventually. Let's please try hard to fix it. > > Jason I'm digging into Bart's kasan bug. Hope to find something. Bob
