arm环境概率性出现构造skb结构时内存非法访问导致系统宕机

> _**请尽量提供详细的信息，如缺乏必要的定位信息，则缺陷不会被定位**_ ## 环境信息 【OS版本】（如openEuler-22.03-LTS，参考命令"cat /etc/os-release"结果） NAME="TopOS" VERSION="3 LTS" ID="TopOS" VERSION_ID="3" PRETTY_NAME="TopOS 3 LTS" ANSI_COLOR="0;31" 【内核版本】（如kernel-5.10.0-60.138.0.165，参考命令"uname -r"结果） 5.10.0-60.18.0.50.oe2203.aarch64 【硬件平台】（缺陷相关的硬件信息，如：处理器型号、内存、磁盘、网卡、BIOS 等信息） cpu: Kunpeng-920 网卡信息：Mellanox Technologies MT27710 Family [ConnectX-4 Lx] ## 缺陷信息 系统概率性出现死机，堆栈输出如下： ``` [908615.775838] Unable to handle kernel paging request at virtual address b5f8dd4cdcad5752 [908615.784250] Mem abort info: [908615.785360] ESR = 0x96000004 [908615.786220] Exception class = DABT (current EL), IL = 32 bits [908615.787248] SET = 0, FnV = 0 [908615.788058] EA = 0, S1PTW = 0 [908615.788915] Data abort info: [908615.789703] ISV = 0, ISS = 0x00000004 [908615.790524] CM = 0, WnR = 0 [908615.791298] [b5f8dd4cdcad5752] address between user and kernel address ranges [908615.792457] Internal error: Oops: 96000004 [#1] SMP [908615.793490] Modules linked in: xfs iptable_filter ip_tables x_tables nls_iso8859_1 input_leds ofpart redboot cmdlinepart shpchp cfi_cmdset_0001 cfi_probe cfi_util gen_probe gpio_keys physmap_of map_funcs chipreg qemu_fw_cfg mtd uio_pdrv_genirq uio ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi sunrpc autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear hid_generic usbhid hid virtio_gpu ttm aes_ce_blk aes_ce_cipher drm_kms_helper crc32_ce crct10dif_ce ghash_ce syscopyarea sha2_ce sysfillrect sysimgblt sha256_arm64 fb_sys_fops sha1_ce virtio_scsi drm ahci libahci virtio_net aes_neon_bs aes_neon_blk crypto_simd cryptd aes_arm64 [908615.803593] CPU: 7 PID: 2046 Comm: center Not tainted 5.10.0-60.18.0.50.oe2203.aarch64 [908615.805126] Hardware name: QEMU KVM Virtual Machine, BIOS 0.0.0 02/06/2015 [908615.806483] pstate: a0400005 (NzCv daif +PAN -UAO) [908615.80…