Kal Conley c7df4813b1 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: 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

2023-03-16 16:02:55 +01:00

..

Kconfig

treewide: Add SPDX license identifier - Makefile/Kconfig

2019-05-21 10:50:46 +02:00

Makefile

xsk: Introduce AF_XDP buffer allocation API

2020-05-21 17:31:26 -07:00

xdp_umem.c

xsk: Add missing overflow check in xdp_umem_reg

2023-03-16 16:02:55 +01:00

xdp_umem.h

xsk: Fix umem cleanup bug at socket destruct

2020-11-20 15:52:39 +01:00

xsk_buff_pool.c

xsk: add usage of XDP features flags

2023-02-02 20:48:23 -08:00

xsk_diag.c

xsk: Fix possible segfault in xsk umem diagnostics

2020-09-02 16:49:40 +02:00

xsk_queue.c

xsk: support use vaddr as ring

2023-02-20 08:22:12 +00:00

xsk_queue.h

xsk: support use vaddr as ring

2023-02-20 08:22:12 +00:00

xsk.c

xsk: add linux/vmalloc.h to xsk.c

2023-02-21 09:00:09 -08:00

xsk.h

xdp: Add proper __rcu annotations to redirect map entries

2021-06-24 19:41:15 +02:00

xskmap.c

bpf: Expand map key argument of bpf_redirect_map to u64

2022-11-15 09:00:27 -08:00