Backtrace

kernel BUG at mm/filemap.c:1953!
invalid opcode: 0000 [#1] SMP PTI
CPU: 0 PID: 8385 Comm: firefox Not tainted 5.12.13-300.fc34.x86_64 #1
Hardware name: Gigabyte Technology Co., Ltd. Q87M-D2H/Q87M-D2H, BIOS F8g 09/10/2014
RIP: 0010:find_lock_entries+0x372/0x410
Code: 58 fe ff ff e8 7f a5 00 00 e9 ff fd ff ff 48 89 ef e8 42 a3 ff ff e9 ca fd ff ff 48 c7 c6 28 9d 3c b7 48 89 ef e8 ce 16 03 00 <0f> 0b 48 c7 c6 f8 e5 38 b7 e8 c0 16 03 00 0f 0b 48 8b 4d 08 48 8d
RSP: 0018:ffffa71403cafbb8 EFLAGS: 00010286
RAX: 0000000000000040 RBX: fffffffffffffffe RCX: 0000000000000027
RDX: ffff946e0f2185c8 RSI: 0000000000000001 RDI: ffff946e0f2185c0
RBP: fffffaa805c7c580 R08: 0000000000000000 R09: ffffa71403caf9f0
R10: ffffa71403caf9e8 R11: ffffffffb7b45f68 R12: ffffa71403cafcf0
R13: 000000000000004b R14: ffffa71403cafc78 R15: ffff946b86fad868
FS:  0000000000000000(0000) GS:ffff946e0f200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0e3c023168 CR3: 000000012f70a006 CR4: 00000000001706f0
Call Trace:
 shmem_undo_range+0xc6/0x710
 shmem_evict_inode+0xd8/0x240
 ? var_wake_function+0x20/0x20
 evict+0xd1/0x180
 __dentry_kill+0xe1/0x180
 __fput+0xe3/0x240
 task_work_run+0x65/0xa0
 do_exit+0x351/0xab0
 do_group_exit+0x33/0xa0
 __x64_sys_exit_group+0x14/0x20
 do_syscall_64+0x33/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f28a5988021
Code: Unable to access opcode bytes at RIP 0x7f28a5987ff7.
RSP: 002b:00007ffc42a871b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f28a5988021
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 00007ffc42a871e0 R08: ffffffffffffff48 R09: 0000000000000000
R10: 00007f288d400ed8 R11: 0000000000000246 R12: 00007ffc42a87250
R13: 00007f288ded9c18 R14: 00007ffc42a87230 R15: 0000000000000000
Modules linked in: snd_seq_dummy snd_hrtimer 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 rfkill nf_tables nfnetlink ip6table_filter ip6_tables iptable_filter sunrpc vfat fat intel_rapl_msr intel_rapl_common mei_hdcp x86_pkg_temp_thermal mei_wdt at24 intel_powerclamp coretemp snd_hda_codec_realtek kvm_intel iTCO_wdt snd_hda_codec_generic intel_pmc_bxt iTCO_vendor_support ledtrig_audio snd_hda_codec_hdmi kvm snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec irqbypass snd_hda_core rapl snd_hwdep intel_cstate snd_seq intel_uncore snd_seq_device snd_pcm pcspkr i2c_i801 snd_timer mei_me i2c_smbus snd mei soundcore lpc_ich zram ip_tables i915 crct10dif_pclmul crc32_pclmul crc32c_intel i2c_algo_bit drm_kms_helper
 ghash_clmulni_intel cec drm e1000e video fuse