Backtrace

WARNING: CPU: 0 PID: 135 at block/blk-core.c:705 submit_bio_checks+0xf7/0x5b0
Modules linked in: vfat fat uinput snd_seq_dummy snd_hrtimer ccm nft_objref nf_conntrack_netbios_ns nf_conntrack_broadcast nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_raw iptable_security ip_set nf_tables nfnetlink ip6table_filter ip6_tables iptable_filter sunrpc uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common intel_rapl_msr intel_rapl_common videodev snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp snd_hda_codec_conexant snd_hda_codec_generic ledtrig_audio kvm_intel snd_hda_intel mc snd_intel_dspcfg soundwire_intel kvm soundwire_generic_allocation snd_soc_core irqbypass iTCO_wdt snd_compress snd_pcm_dmaengine soundwire_cadence snd_hda_codec intel_pmc_bxt rapl intel_cstate snd_hda_core intel_uncore
 iTCO_vendor_support ac97_bus snd_hwdep mei_hdcp rtl8192ce rtl_pci rtl8192c_common rtlwifi mac80211 snd_seq snd_seq_device toshiba_acpi cfg80211 at24 pcspkr snd_pcm joydev sparse_keymap snd_timer wmi_bmof snd industrialio libarc4 mei_me soundcore rfkill i2c_i801 mei lpc_ich i2c_smbus zram ip_tables i915 ums_realtek i2c_algo_bit crct10dif_pclmul uas drm_kms_helper crc32_pclmul usb_storage crc32c_intel cec ghash_clmulni_intel drm serio_raw atl1c wmi video fuse
CPU: 0 PID: 135 Comm: kworker/u16:6 Not tainted 5.11.12-300.fc34.x86_64 #1
Hardware name: TOSHIBA Satellite L755/Base Board Product Name, BIOS 2.50 09/23/2011
Workqueue: writeback wb_workfn (flush-8:32)
RIP: 0010:submit_bio_checks+0xf7/0x5b0
Code: ac 24 68 03 00 00 48 89 ef 48 89 e6 c6 05 6f ce 75 01 01 e8 db a7 ff ff 48 c7 c7 f8 47 40 bc 48 89 c6 44 89 ea e8 88 af 5b 00 <0f> 0b 8b 45 28 c1 e8 09 85 c0 0f 85 67 03 00 00 c6 45 1b 00 e8 30
RSP: 0018:ffffae22002bf8f0 EFLAGS: 00010286
RAX: 0000000000000039 RBX: ffff992a48a60000 RCX: 0000000000000027
RDX: ffff992b87a18ac8 RSI: 0000000000000001 RDI: ffff992b87a18ac0
RBP: ffff992a656d4300 R08: 0000000000000000 R09: ffffae22002bf720
R10: ffffae22002bf718 R11: ffffffffbcb44f08 R12: ffff992a4643f080
R13: 0000000000000001 R14: ffffae22002bfc68 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff992b87a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000563f0caba008 CR3: 00000001b2a10003 CR4: 00000000000606f0
Call Trace:
 submit_bio_noacct+0x22/0x4b0
 ? bio_associate_blkg_from_css+0x1a5/0x2f0
 submit_bh_wbc+0x17d/0x1a0
 __block_write_full_page+0x1f5/0x440
 ? bdev_evict_inode+0xc0/0xc0
 ? generic_write_end+0x180/0x180
 __writepage+0x17/0x60
 write_cache_pages+0x173/0x3b0
 ? __wb_calc_thresh+0x100/0x100
 ? __set_page_dirty_nobuffers+0xe3/0x150
 ? set_extent_buffer_dirty+0x5d/0x80
 generic_writepages+0x47/0x70
 do_writepages+0x31/0xb0
 __writeback_single_inode+0x39/0x2a0
 writeback_sb_inodes+0x1d8/0x440
 __writeback_inodes_wb+0x4c/0xe0
 wb_writeback+0x1da/0x280
 wb_workfn+0x271/0x4b0
 process_one_work+0x1ec/0x380
 worker_thread+0x53/0x3e0
 ? process_one_work+0x380/0x380
 kthread+0x11b/0x140
 ? kthread_associate_blkcg+0xa0/0xa0
 ret_from_fork+0x22/0x30