Unable to handle kernel access to user memory without uaccess routines in zfs_write

[Sevan Janiyan]

Ubuntu 22.10 riscv64 image on lichee rv board with 3 HDDs attached, 2 in a mirrored zpool, 1 standalone zpool, rsync copying data from single pool to mirrored pool.

[Thu Nov 17 02:45:26 2022] Unable to handle kernel access to user memory without uaccess routines at virtual address 0000000000000025
[Thu Nov 17 02:45:26 2022] Oops [#1]
[Thu Nov 17 02:45:26 2022] Modules linked in: binfmt_misc 8723ds(OE) cfg80211 zfs(POE) pwrseq_simple zunicode(POE) sunxi_cir rc_core snd_soc_hdmi_codec zzstd(OE) ses enclosure scsi_transport_sas sunxi phy_generic zlua(OE) sunxi_cedrus(C) v4l2_mem2mem videobuf2_dma_contig zcommon(POE) videobuf2_memops videobuf2_v4l2 znvpair(POE) zavl(POE) videobuf2_common snd_soc_simple_card sun20i_codec snd_soc_dmic snd_soc_simple_card_utils icp(POE) leds_sun50i_r329 videodev led_class_multicolor snd_soc_core spl(OE) mc snd_compress ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd leds_gpio soundcore nls_iso8859_1 uio_pdrv_genirq uio ramoops pstore_blk reed_solomon efi_pstore pstore_zone dm_multipath scsi_dh_rdac scsi_dh_emc scsi_dh_alua ip_tables x_tables autofs4 efivarfs raid10 raid456 libcrc32c async_raid6_recov async_memcpy async_pq async_xor xor async_tx raid6_pq raid1 raid0 multipath linear dw_hdmi_cec dw_hdmi_i2s_audio sun4i_drm sun8i_drm_hdmi sun4i_frontend sun8i_mixer dw_hdmi sun4i_tcon drm_cma_helper
[Thu Nov 17 02:45:26 2022] display_connector drm_kms_helper backlight syscopyarea sysfillrect sun8i_tcon_top sysimgblt fb_sys_fops
[Thu Nov 17 02:45:26 2022] CPU: 0 PID: 1472 Comm: rsync Tainted: P C OE 5.17.0-1003-allwinner #3-Ubuntu
[Thu Nov 17 02:45:26 2022] Hardware name: Sipeed Lichee RV Dock (DT)
[Thu Nov 17 02:45:26 2022] epc : dmu_tx_assign+0x1dc/0x4ba [zfs]
[Thu Nov 17 02:45:26 2022] ra : dmu_tx_assign+0x22c/0x4ba [zfs]
[Thu Nov 17 02:45:26 2022] epc : ffffffff047d0dba ra : ffffffff047d0e0a sp : ffffffd808b5faf0
[Thu Nov 17 02:45:26 2022] gp : ffffffff81e93b80 tp : ffffffd808588000 t0 : 0000000000000000
[Thu Nov 17 02:45:26 2022] t1 : 0000000000006000 t2 : ffffffff81004f48 s0 : ffffffd808b5fb70
[Thu Nov 17 02:45:26 2022] s1 : 0000000000000000 a0 : 0000000000020200 a1 : ffffffd835801ad0
[Thu Nov 17 02:45:26 2022] a2 : 0000000000000000 a3 : 0000000000000015 a4 : 0000000000000008
[Thu Nov 17 02:45:26 2022] a5 : ffffffd83ebae600 a6 : 0000000000000000 a7 : 0000000000000001
[Thu Nov 17 02:45:26 2022] s2 : 0000000000000128 s3 : ffffffd835801a90 s4 : 0000000000000001
[Thu Nov 17 02:45:26 2022] s5 : ffffffff80e7d600 s6 : ffffffff81f01dd0 s7 : 000000000000000d
[Thu Nov 17 02:45:26 2022] s8 : ffffffd835801ad0 s9 : 0000000000000000 s10: ffffffd835801a80
[Thu Nov 17 02:45:26 2022] s11: 0000000000020400 t3 : 0000000000000000 t4 : ffffffff813648c0
[Thu Nov 17 02:45:26 2022] t5 : 00000000f5257d14 t6 : 000248f8dfb19c6c
[Thu Nov 17 02:45:26 2022] status: 0000000200000120 badaddr: 0000000000000025 cause: 000000000000000d
[Thu Nov 17 02:45:26 2022] [<ffffffff0488fc94>] zfs_write+0x2ea/0x974 [zfs]
[Thu Nov 17 02:45:26 2022] [<ffffffff048c8a42>] zpl_iter_write+0xce/0x14e [zfs]
[Thu Nov 17 02:45:26 2022] [<ffffffff80265708>] new_sync_write+0xd2/0x12c
[Thu Nov 17 02:45:26 2022] [<ffffffff80267540>] vfs_write+0x182/0x22e
[Thu Nov 17 02:45:26 2022] [<ffffffff80267816>] ksys_write+0x6c/0xe2
[Thu Nov 17 02:45:26 2022] [<ffffffff802678ae>] sys_write+0x22/0x2a
[Thu Nov 17 02:45:26 2022] [<ffffffff80003b86>] ret_from_syscall+0x0/0x2
[Thu Nov 17 02:45:26 2022] ---[ end trace 0000000000000000 ]---