[ 22.696609] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000370 [ 22.705387] Mem abort info: [ 22.705388] ESR = 0x96000004 [ 22.705390] EC = 0x25: DABT (current EL), IL = 32 bits [ 22.705393] SET = 0, FnV = 0 [ 22.711228] EA = 0, S1PTW = 0 [ 22.711229] Data abort info: [ 22.711230] ISV = 0, ISS = 0x00000004 [ 22.711233] CM = 0, WnR = 0 [ 22.732355] user pgtable: 4k pages, 48-bit VAs, pgdp=00000027d8381000 [ 22.732356] [0000000000000370] pgd=0000000000000000 [ 22.732359] Internal error: Oops: 96000004 [#1] SMP [ 22.742792] ipmi_si IPI0001:00: The BMC does not support setting the recv irq bit, compensating, but the BMC needs to be fixed. [[ 22.743649] Modules linked in: hisi_sec2(+) hns_roce_hw_v2(+) hisi_qm uacce ib_uverbs authenc ipmi_si(+) ipmi_devintf cppc_cpufreq(-) hisi_dma(+) fjes(-) ipmi_msghandler spi_dw_mmio spi_dw sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor xor_neon raid6_pq libcrc32c raid1 raid0 multipath linear hid_generic marvell hibmc_drm drm_vram_helper ttm drm_kms_helper crct10dif_ce syscopyarea ghash_ce sysfillrect sha2_ce hisi_sas_v3_hw sysimgblt ixgbe hns3 hisi_sas_main sha256_arm64 fb_sys_fops sha1_ce hclge libsas usbhid xfrm_algo drm hid mdio hnae3 ahci scsi_transport_sas gpio_dwapb aes_neon_bs aes_neon_blk aes_ce_blk crypto_simd cryptd aes_ce_cipher [ 22.763412] ipmi_si IPI0001:00: Using irq 16 [ 22.832281] CPU: 0 PID: 593 Comm: kworker/0:2 Not tainted 5.4.0-22-generic #26~d20200404t073127~10299705bb0b~final.1 [ 22.832282] Hardware name: Huawei XA320 V2 /BC82HPNB, BIOS 0.95 08/15/2019 [ 22.832289] Workqueue: events work_for_cpu_fn [ 22.832290] pstate: 60c00009 (nZCv daif +PAN +UAO) [ 22.832294] pc : iommu_get_domain_for_dev+0x1c/0x48 [ 22.832303] lr : sec_probe+0x68/0x748 [hisi_sec2] [ 22.832306] sp : ffff80001b813cf0 [ 22.875893] x29: ffff80001b813cf0 x28: 0000000000000000 [ 22.881193] x27: 0000000000000000 x26: ffff0027dab54800 [ 22.881195] x25: 0000000000000000 x24: ffff8000326c38b8 [ 22.881196] x23: ffff0027d90ea0b0 x22: 00000000000000b0 [ 22.881197] x21: ffff0027d90ea000 x20: 0000000000000000 [ 22.881198] x19: 00000000000000b0 x18: ffffffffffffffff [ 22.881199] x17: 0000000019188b1d x16: 0000000099fd9b82 [ 22.881203] x15: ffff800011b78908 x14: 530039326e616863 [ 22.903859] ipmi_si IPI0001:00: IPMI message handler: Found new BMC (man_id: 0x0007db, prod_id: 0x0003, dev_id: 0x01) [ 22.907686] x13: 0000000000000040 x12: 0000000000000228 [ 22.907688] x11: 0000000000000000 x10: 0000000000000003 [ 22.907689] x9 : 0000000000000000 x8 : ffff0027b40af000 [ 22.907690] x7 : 0000000000000000 x6 : 000000000000003f [ 22.907691] x5 : 0000000000000040 x4 : ffff0027d90ea348 [ 22.955362] x3 : 0000000000000000 x2 : 0000000000000001 [ 22.955362] x1 : ffff0027d90ea348 x0 : ffff800009987d68 [ 22.955364] Call trace: [ 22.955366] iommu_get_domain_for_dev+0x1c/0x48 [ 22.955376] sec_probe+0x68/0x748 [hisi_sec2] [ 22.977254] local_pci_probe+0x44/0x98 [ 22.977255] work_for_cpu_fn+0x20/0x30 [ 22.977257] process_one_work+0x1f8/0x488 [ 22.977260] worker_thread+0x2e8/0x528 [ 22.992462] kthread+0x110/0x118 [ 22.992464] ret_from_fork+0x10/0x18 [ 22.992467] Code: aa0003f3 aa1e03e0 d503201f d2800014 (f9416273) [ 23.005319] ---[ end trace c2f1edf219b1f044 ]---