Backtrace

WARNING: CPU: 6 PID: 730 at drivers/md/raid5.c:5313 raid5_make_request+0xa1f/0xb50 [raid456]
Modules linked in: snd_hda_codec_realtek snd_hda_codec_generic intel_rapl_msr ledtrig_audio intel_rapl_common snd_hda_codec_hdmi snd_hda_intel iTCO_wdt snd_intel_dspcfg x86_pkg_temp_thermal snd_intel_sdw_acpi intel_pmc_bxt intel_powerclamp snd_hda_codec raid456 ee1004 mei_wdt mei_hdcp iTCO_vendor_support coretemp async_raid6_recov snd_hda_core async_memcpy async_pq rapl snd_hwdep async_xor dell_wmi async_tx intel_cstate snd_seq snd_seq_device dell_smbios intel_uncore snd_pcm dcdbas pcspkr dell_wmi_aio sparse_keymap intel_wmi_thunderbolt wmi_bmof dell_wmi_descriptor snd_timer i2c_i801 snd i2c_smbus soundcore mei_me idma64 mei acpi_pad nfsd auth_rpcgss v4l2loopback(OE) nfs_acl lockd videodev grace mc sunrpc nfs_ssc zram ip_tables uas usb_storage amdgpu i915 iommu_v2 gpu_sched radeon crct10dif_pclmul crc32_pclmul crc32c_intel i2c_algo_bit drm_ttm_helper ttm drm_kms_helper ghash_clmulni_intel nvme cec drm e1000e nvme_core serio_raw wmi video pinctrl_sunrisepoint kvm_intel kvm
 irqbypass fuse
CPU: 6 PID: 730 Comm: systemd-udevd Tainted: G           OE     5.12.5-300.fc34.x86_64 #1
Hardware name: Dell Inc. OptiPlex 7050/0XHGV1, BIOS 1.15.1 12/22/2020
RIP: 0010:raid5_make_request+0xa1f/0xb50 [raid456]
Code: ff e8 55 28 c0 cb e9 86 f8 ff ff 48 c7 c2 e0 30 56 c1 48 c7 c6 61 47 56 c1 48 c7 c7 d8 ee 56 c1 e8 b6 18 11 cc e9 67 f8 ff ff <0f> 0b e9 3c f8 ff ff 48 8d 44 24 78 31 f6 4c 8d b5 88 02 00 00 48
RSP: 0018:ffffb7f7805cb960 EFLAGS: 00010202
RAX: 0000000000000008 RBX: ffff9a45903e9000 RCX: 0000000000000000
RDX: ffff9a4590f33e80 RSI: 0000000e8df45780 RDI: ffff9a458bd03000
RBP: ffff9a45903e9000 R08: 0000000000000080 R09: 0000000000000000
R10: ffff9a458f6fcb00 R11: 0000000000080000 R12: ffff9a458f6fcb00
R13: 00000000ffffffff R14: ffff9a45819a2800 R15: ffff9a458bd03000
FS:  00007f55d25c5b40(0000) GS:ffff9a4abdd80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005560441c84e0 CR3: 0000000108768002 CR4: 00000000003706e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ? finish_wait+0x80/0x80
 ? __kmalloc+0x139/0x260
 md_handle_request+0x112/0x180
 ? __part_start_io_acct+0x45/0xe0
 md_submit_bio+0xcd/0x110
 submit_bio_noacct+0x117/0x4e0
 mpage_readahead+0x14a/0x190
 ? bdev_evict_inode+0xc0/0xc0
 read_pages+0x69/0x2d0
 page_cache_ra_unbounded+0x1ab/0x230
 ? page_counter_try_charge+0x2f/0xb0
 force_page_cache_ra+0xde/0x140
 filemap_get_pages+0xc4/0x660
 filemap_read+0x99/0x310
 ? _copy_to_user+0x2d/0x40
 ? cp_new_stat+0x13d/0x160
 new_sync_read+0x105/0x180
 vfs_read+0x147/0x1a0
 ksys_read+0x4f/0xc0
 do_syscall_64+0x33/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f55d32ee912
Code: 48 8b 15 c1 96 00 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb ba 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 0f 05 <48> 3d 00 f0 ff ff 77 56 c3 0f 1f 44 00 00 48 83 ec 28 48 89 54 24
RSP: 002b:00007fff1d381fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00005560441c5938 RCX: 00007f55d32ee912
RDX: 0000000000000040 RSI: 00005560441c5948 RDI: 0000000000000006
RBP: 00005560441be0a0 R08: 00005560441c5920 R09: 0000556043ff6010
R10: 00007f55d32d0a00 R11: 0000000000000246 R12: 00001d1be89f0000
R13: 0000000000000040 R14: 00005560441c5920 R15: 00005560441be0f0