Backtrace

kernel BUG at mm/slub.c:321!
invalid opcode: 0000 [#2] SMP PTI
CPU: 1 PID: 1529 Comm: systemd Tainted: G      D           5.14.9-200.fc34.x86_64 #1
Hardware name: Acer Aspire E5-574/Zoro_SL , BIOS V1.18 05/25/2017
RIP: 0010:__slab_free+0x245/0x4a0
Code: 0f b6 5c 24 1b 44 8b 44 24 1c 48 89 44 24 08 48 8b 54 24 20 4c 8b 4c 24 28 e9 8a fe ff ff 41 f7 45 08 00 0d 21 00 75 98 eb 8d <0f> 0b 49 3b 54 24 28 0f 85 53 ff ff ff 49 8b 44 24 08 49 89 5c 24
RSP: 0018:ffffb1fe41373de0 EFLAGS: 00010246
RAX: ffff95f28286c1e0 RBX: ffff95f28286c180 RCX: ffff95f28286c180
RDX: 000000000015000f RSI: ffffe789850a1b00 RDI: ffff95f240042800
RBP: ffffb1fe41373e90 R08: 0000000000000001 R09: ffffffff9110b525
R10: 0000000000000000 R11: ffff95f2a0cbafe8 R12: ffffe789850a1b00
R13: ffff95f240042800 R14: ffff95f28286c180 R15: ffff95f28286c180
FS:  00007f4579beb340(0000) GS:ffff95f5a2480000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000564fa5699260 CR3: 0000000142a50001 CR4: 00000000003706e0
Call Trace:
 ? __wake_up_common_lock+0x7a/0x90
 ? call_rcu+0xcb/0x620
 ? put_ucounts+0x65/0x70
 kfree+0x369/0x3c0
 ? refcount_dec_and_lock+0x12/0x80
 put_ucounts+0x65/0x70
 __x64_sys_inotify_rm_watch+0x72/0xc0
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f457a78b1bb
Code: 73 01 c3 48 8b 0d bd 1c 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 ff 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 8d 1c 0c 00 f7 d8 64 89 01 48
RSP: 002b:00007ffdf2fe0ae8 EFLAGS: 00000202 ORIG_RAX: 00000000000000ff
RAX: ffffffffffffffda RBX: 0000564fa55b0780 RCX: 00007f457a78b1bb
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000006
RBP: 00007ffdf2fe0ba0 R08: 0000564fa55d12e0 R09: 0000000000000004
R10: 0000000000000010 R11: 0000000000000202 R12: 0000564fa55b0780
R13: 0000564fa5590778 R14: 00007ffdf2fe0b50 R15: 00007ffdf2fe0b40
Modules linked in: uinput rfcomm snd_seq_dummy snd_hrtimer xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_reject_ipv4 nft_compat nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_counter nf_tables nfnetlink bridge stp llc bnep sunrpc vfat fat snd_hda_codec_hdmi snd_soc_skl snd_soc_hdac_hda snd_hda_ext_core snd_soc_sst_ipc snd_soc_sst_dsp snd_soc_acpi_intel_match snd_soc_acpi ath10k_pci intel_rapl_msr ath10k_core snd_hda_codec_realtek intel_rapl_common snd_soc_core snd_hda_codec_generic ledtrig_audio snd_compress intel_tcc_cooling mac80211 ac97_bus snd_pcm_dmaengine snd_hda_intel x86_pkg_temp_thermal intel_powerclamp snd_intel_dspcfg snd_intel_sdw_acpi coretemp snd_hda_codec kvm_intel iTCO_wdt intel_pmc_bxt at24 iTCO_vendor_support mei_hdcp btusb kvm snd_hda_core snd_hwdep btrtl btbcm snd_seq btintel snd_seq_device bluetooth snd_pcm uvcvideo irqbypass rapl ath intel_cstate intel_uncore videobuf2_vmalloc rtsx_usb_ms cfg80211 videobuf2_memops
 videobuf2_v4l2 memstick videobuf2_common acer_wmi intel_wmi_thunderbolt pcspkr videodev joydev snd_timer wmi_bmof sparse_keymap i2c_i801 mc snd i2c_smbus ecdh_generic libarc4 rfkill soundcore idma64 intel_xhci_usb_role_switch mei_me mei acpi_pad intel_pch_thermal binfmt_misc zram ip_tables dm_crypt trusted asn1_encoder hid_multitouch i915 i2c_algo_bit ttm drm_kms_helper cec crct10dif_pclmul crc32_pclmul crc32c_intel drm ghash_clmulni_intel serio_raw r8169 i2c_hid_acpi i2c_hid wmi video rtsx_usb_sdmmc mmc_core rtsx_usb fuse