diff options
| author | Kal Conley <kal.conley@dectris.com> | 2023-03-08 18:40:13 +0100 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2023-03-16 16:02:55 +0100 |
| commit | c7df4813b149362248d6ef7be41a311e27bf75fe (patch) | |
| tree | f0103937861f5164aaf40267913e280f7d222292 /kernel | |
| parent | a33a6eaa19d3af261e8708bfc8ba62020703117f (diff) | |
xsk: Add missing overflow check in xdp_umem_reg
The number of chunks can overflow u32. Make sure to return -EINVAL on
overflow. Also remove a redundant u32 cast assigning umem->npgs.
Fixes: bbff2f321a86 ("xsk: new descriptor addressing scheme")
Signed-off-by: Kal Conley <kal.conley@dectris.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Magnus Karlsson <magnus.karlsson@intel.com>
Link: https://lore.kernel.org/bpf/20230308174013.1114745-1-kal.conley@dectris.com
Diffstat (limited to 'kernel')
0 files changed, 0 insertions, 0 deletions