Backtrace

kernel BUG at mm/shmem.c:940!
invalid opcode: 0000 [#4] SMP PTI
CPU: 2 PID: 5061 Comm: kworker/2:0 Tainted: G      D           5.11.12-300.fc34.x86_64 #1
Hardware name: ECS Q87H3-M6/Q87H3-M6, BIOS Release 10/22/2013     10/22/2013
Workqueue: events delayed_fput
RIP: 0010:shmem_undo_range+0x344/0x7a0
Code: 40 00 fb 66 0f 1f 44 00 00 48 81 c4 48 01 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 48 c7 c6 08 13 3c 96 4c 89 ff e8 6c 4f 01 00 <0f> 0b 49 8b 17 49 8b 47 20 f7 c2 00 00 01 00 0f 84 d9 fd ff ff 41
RSP: 0018:ffffaf6c484c3c20 EFLAGS: 00010286
RAX: 000000000000001e RBX: ffffffffffffffff RCX: 0000000000000000
RDX: ffff8f4c16b26ba0 RSI: ffff8f4c16b18ac0 RDI: ffff8f4c16b18ac0
RBP: ffffaf6c484c3ce8 R08: 0000000000000000 R09: ffffaf6c484c3a58
R10: ffffaf6c484c3a50 R11: ffffffff96b44f08 R12: ffffaf6c484c3c70
R13: 0000000000000186 R14: 0000000000000000 R15: ffffd4b0c6ce9300
FS:  0000000000000000(0000) GS:ffff8f4c16b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f443a5079c4 CR3: 000000011b2c4002 CR4: 00000000001706e0
Call Trace:
 shmem_evict_inode+0xd8/0x240
 ? var_wake_function+0x20/0x20
 evict+0xd1/0x180
 __dentry_kill+0xe1/0x180
 __fput+0xe3/0x240
 delayed_fput+0x1f/0x30
 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
Modules linked in: lp ccm uinput snd_seq_dummy snd_hrtimer 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 intel_rapl_msr intel_rapl_common ath9k ath9k_common ath9k_hw x86_pkg_temp_thermal intel_powerclamp coretemp mac80211 snd_hda_codec_realtek kvm_intel snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi ath kvm snd_hda_intel irqbypass snd_intel_dspcfg cfg80211 soundwire_intel soundwire_generic_allocation rapl snd_soc_core rfkill libarc4 snd_compress snd_pcm_dmaengine soundwire_cadence iTCO_wdt intel_cstate intel_uncore intel_pmc_bxt mei_wdt iTCO_vendor_support wmi_bmof snd_hda_codec snd_hda_core
 ac97_bus snd_hwdep snd_seq snd_seq_device pcspkr snd_pcm ppdev mei_hdcp mei_me at24 snd_timer mei snd i2c_i801 lpc_ich soundcore parport_pc i2c_smbus parport zram ip_tables i915 i2c_algo_bit crct10dif_pclmul crc32_pclmul drm_kms_helper crc32c_intel ghash_clmulni_intel cec e1000e drm wmi video fuse