Re: [PATCH rdma-rc 0/2] RDMA/uverbs: Fix DMABUF lifetime bugs

[Leon Romanovsky]

On Thu, 15 Oct 2026 08:36:35 +0000, Deep Shah wrote:
> Fix two lifetime bugs in the uverbs DMABUF export path. Patch 1 fixes
> leaked uobject and ufile references when the uverbs FD is closed first.
> Patch 2 fixes a use-after-free when dma-buf release races with ufile
> cleanup.
> 
> Tested on mainline 4056b3c9d3c9 in x86_64 QEMU with KASAN and lockdep,
> using test-only siw export hooks. The unpatched kernel reproduces both
> bugs. Patch 1 fixes the leak, confirmed by tracing ufile release. With
> both patches, the same tests complete without KASAN or lockdep reports.
> 
> [...]

Applied, thanks!

[1/2] RDMA/uverbs: Fix uobject leak in DMABUF release
      https://git.kernel.org/rdma/rdma/c/4a953ee228f554
[2/2] RDMA/uverbs: Fix DMABUF use-after-free during ufile cleanup
      https://git.kernel.org/rdma/rdma/c/2854f9025d4ef6

Best regards,
-- 
Leon Romanovsky <leon@xxxxxxxxxx>