Backtrace

WARNING: CPU: 1 PID: 1457533 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110
Modules linked in: wireguard curve25519_x86_64 libcurve25519_generic ip6_udp_tunnel udp_tunnel tls uinput ntfs3 snd_seq_dummy snd_hrtimer xt_CHECKSUM ipt_REJECT nf_nat_tftp nf_conntrack_tftp xt_mark veth nfsv3 nfs_acl xt_nat xt_conntrack rpcsec_gss_krb5 auth_rpcgss xt_MASQUERADE nf_conntrack_netlink xt_addrtype nfsv4 br_netfilter bridge stp llc dns_resolver nfs lockd grace fscache netfs tun 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 rfkill ip_set nf_tables overlay nfnetlink ip6table_filter iptable_filter qrtr nct6775 hwmon_vid sunrpc vfat fat squashfs loop snd_hda_codec_realtek intel_rapl_msr intel_rapl_common snd_hda_codec_generic snd_hda_codec_hdmi ledtrig_audio
 snd_hda_intel edac_mce_amd snd_intel_dspcfg snd_usb_audio snd_intel_sdw_acpi kvm_amd snd_hda_codec snd_usbmidi_lib kvm uvcvideo snd_hda_core videobuf2_vmalloc videobuf2_memops snd_rawmidi snd_hwdep videobuf2_v4l2 snd_seq snd_seq_device videobuf2_common irqbypass snd_pcm rapl joydev videodev snd_timer razermouse(OE) wmi_bmof snd mc pcspkr k10temp i2c_piix4 soundcore gpio_amdpt gpio_generic acpi_cpufreq zram amdgpu uas usb_storage drm_ttm_helper ttm crct10dif_pclmul iommu_v2 crc32_pclmul nvme crc32c_intel gpu_sched sp5100_tco drm_dp_helper ghash_clmulni_intel ccp r8169 nvme_core wmi ip6_tables ip_tables fuse
CPU: 1 PID: 1457533 Comm: cgroupify Tainted: G    B D    OE     5.18.13-200.fc36.x86_64 #1
Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./B450M Pro4, BIOS P3.10 03/07/2019
RIP: 0010:refcount_warn_saturate+0x51/0x110
Code: 84 bc 00 00 00 e9 3f cd 94 00 85 f6 74 23 80 3d 14 1d a9 01 00 75 ee 48 c7 c7 50 45 68 94 c6 05 04 1d a9 01 01 e8 6f 22 64 00 <0f> 0b e9 18 cd 94 00 80 3d f2 1c a9 01 00 75 cb 48 c7 c7 50 45 68
RSP: 0018:ffffbb5164167d60 EFLAGS: 00010086
RAX: 0000000000000026 RBX: ffff977203db49d8 RCX: 0000000000000000
RDX: 0000000000000002 RSI: ffffffff9466f78c RDI: 00000000ffffffff
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffbb5164167b98
R10: 0000000000000003 R11: ffffffff94f453e8 R12: ffffbb5164167e28
R13: ffffbb5164167e00 R14: ffff9768bd968000 R15: 0000000000000000
FS:  00007f50cb2c40c0(0000) GS:ffff97725ba40000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe56620fe0 CR3: 00000005206b8000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 css_task_iter_next+0xbf/0xe0
 kernfs_seq_next+0x27/0x90
 seq_read_iter+0x2df/0x450
 new_sync_read+0xed/0x160
 vfs_read+0x144/0x190
 ksys_read+0x53/0xd0
 do_syscall_64+0x5b/0x80
 ? syscall_exit_to_user_mode+0x17/0x40
 ? do_syscall_64+0x67/0x80
 ? syscall_exit_to_user_mode+0x17/0x40
 ? do_syscall_64+0x67/0x80
 ? syscall_exit_to_user_mode+0x17/0x40
 ? do_syscall_64+0x67/0x80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f50cb657852
Code: c0 e9 b2 fe ff ff 50 48 8d 3d 9a d0 0b 00 e8 55 f6 01 00 0f 1f 44 00 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 0f 05 <48> 3d 00 f0 ff ff 77 56 c3 0f 1f 44 00 00 48 83 ec 28 48 89 54 24
RSP: 002b:00007ffe56623758 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000200 RCX: 00007f50cb657852
RDX: 00000000000003ff RSI: 00007ffe566237b0 RDI: 0000000000000007
RBP: 00000000000002f0 R08: 0000000000000000 R09: 0000000000000064
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000007
R13: 00007ffe56623d60 R14: 00007ffe56623d60 R15: 00007ffe566237b0
 </TASK>