Kal Conley 3cfc356441 xsk: Add missing overflow check in xdp_umem_reg ...

[ Upstream commit c7df4813b1 ]

The number of chunks can overflow u32. Make sure to return -EINVAL on
overflow. Also remove a redundant u32 cast assigning umem->npgs.

Fixes: bbff2f321a ("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
Signed-off-by: Sasha Levin <sashal@kernel.org>

2023-03-30 12:47:44 +02:00

..

Kconfig

…

Makefile

…

xdp_umem.c

xsk: Add missing overflow check in xdp_umem_reg

2023-03-30 12:47:44 +02:00

xdp_umem.h

…

xsk_buff_pool.c

xsk: Inherit need_wakeup flag for shared sockets

2022-10-12 09:53:26 +02:00

xsk_diag.c

…

xsk_queue.c

…

xsk_queue.h

xsk: Fix backpressure mechanism on Tx

2022-10-26 12:34:40 +02:00

xsk.c

xsk: Fix backpressure mechanism on Tx

2022-10-26 12:34:40 +02:00

xsk.h

…

xskmap.c

…