Backtrace

kernel BUG at mm/slub.c:305!
invalid opcode: 0000 [#4] SMP PTI
CPU: 2 PID: 3044 Comm: gnome-software Tainted: G      D           5.11.7-200.fc33.x86_64 #1
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 0.0.0 02/06/2015
RIP: 0010:__slab_free+0x256/0x450
Code: 4c 24 20 e8 5c 99 8e 00 8b 74 24 0c 44 0f b6 5c 24 13 44 8b 44 24 14 4c 8b 54 24 18 48 89 04 24 4c 8b 4c 24 20 e9 53 fe ff ff <0f> 0b 41 f7 46 08 00 0d 21 00 75 a2 eb 9b 0f 0b 80 4c 24 6b 80 45
RSP: 0018:ffffb3d8c33c7da0 EFLAGS: 00010246
RAX: ffff8f2303d1e0a8 RBX: 00000000820001e8 RCX: ffff8f2303d1e0a8
RDX: ffff8f2303d1e0a8 RSI: ffffd84d840f4780 RDI: ffff8f2300042e00
RBP: ffffb3d8c33c7e48 R08: 0000000000000001 R09: ffffffff974afac1
R10: ffff8f2303d1e0a8 R11: 0000000000000001 R12: ffffd84d840f4780
R13: ffff8f2303d1e0a8 R14: ffff8f2300042e00 R15: ffffd84d840f47a0
FS:  00007fdc8a5c2ac0(0000) GS:ffff8f2471d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056487e4fbc78 CR3: 0000000170198006 CR4: 0000000000370ee0
Call Trace:
 ? btrfs_real_readdir+0x1c7/0x480
 kfree+0x3cd/0x400
 ? btrfs_release_file+0x31/0x60
 btrfs_release_file+0x31/0x60
 __fput+0x94/0x240
 task_work_run+0x65/0xa0
 exit_to_user_mode_prepare+0x181/0x190
 syscall_exit_to_user_mode+0x18/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fdc8bf026bb
Code: c3 66 0f 1f 44 00 00 48 8b 15 b9 c7 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb bc 0f 1f 44 00 00 f3 0f 1e fa b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 c3 0f 1f 40 00 48 8b 15 89 c7 0c 00 f7 d8
RSP: 002b:00007ffdd9239458 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 000055dc185806c0 RCX: 00007fdc8bf026bb
RDX: 00007fdc8bfcfa60 RSI: 0000000000000000 RDI: 0000000000000013
RBP: 000055dc1855aa20 R08: 0000000000000001 R09: 000000000000000a
R10: 0000000000000020 R11: 0000000000000206 R12: 000055dc184366c0
R13: 000055dc185224a0 R14: 000055dc1861d830 R15: 000055dc1855aa20
Modules linked in: uinput xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp tun bridge stp llc 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 rfkill nfnetlink ip6table_filter ip6_tables iptable_filter sunrpc vfat fat snd_hda_codec_generic ledtrig_audio intel_rapl_msr snd_hda_intel snd_intel_dspcfg soundwire_intel intel_rapl_common soundwire_generic_allocation snd_soc_core kvm_intel snd_compress snd_pcm_dmaengine soundwire_cadence snd_hda_codec kvm iTCO_wdt intel_pmc_bxt iTCO_vendor_support snd_hda_core ac97_bus snd_hwdep snd_seq snd_seq_device irqbypass rapl snd_pcm joydev i2c_i801 i2c_smbus pcspkr virtio_balloon lpc_ich snd_timer
 snd soundcore zram ip_tables i915 hid_sony ff_memless hid_logitech_hidpp virtio_net net_failover failover virtio_scsi video i2c_algo_bit drm_kms_helper crct10dif_pclmul crc32_pclmul crc32c_intel cec drm ghash_clmulni_intel serio_raw qemu_fw_cfg hid_logitech_dj fuse