Backtrace

BUG: unable to handle page fault for address: ffff9c8f919f0640
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#2] PREEMPT SMP PTI
CPU: 1 PID: 4368 Comm: Compositor Tainted: G      D            6.8.5-301.fc40.x86_64 #1
Hardware name: Apple Inc. iMac10,1/Mac-F2268DC8, BIOS 215.0.0.0.0 06/14/2019
RIP: 0010:refill_obj_stock+0x56/0x1c0
Code: e4 00 02 00 00 65 48 03 2d 17 96 bc 76 48 8b 45 10 48 39 f8 0f 84 94 00 00 00 48 89 ef e8 72 f2 ff ff 49 89 c6 e8 2a f6 d7 ff <49> 8b 07 a8 03 0f 85 fb 00 00 00 65 48 ff 00 e8 b6 1e d8 ff 4c 89
RSP: 0018:ffffb48341b07d80 EFLAGS: 00010002
RAX: 0000000000000001 RBX: 00000000000000c8 RCX: 0000000000000039
RDX: ffff9d90bb7fa7c0 RSI: 0000000000000040 RDI: ffff9d90bb7fa7c0
RBP: ffff9d91b7d30d80 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff8b464880 R12: 0000000000000200
R13: ffff9c8f919f0640 R14: ffff9d8f919f0640 R15: ffff9c8f919f0640
FS:  00007fc8a84ff6c0(0000) GS:ffff9d91b7d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff9c8f919f0640 CR3: 000000019f862000 CR4: 00000000000406f0
Call Trace:
 <TASK>
 ? __die+0x23/0x70
 ? page_fault_oops+0x174/0x530
 ? exc_page_fault+0x175/0x180
 ? asm_exc_page_fault+0x26/0x30
 ? refill_obj_stock+0x56/0x1c0
 __memcg_slab_free_hook+0xac/0x140
 ? __dentry_kill+0x121/0x180
 kmem_cache_free+0x3af/0x3d0
 __dentry_kill+0x121/0x180
 dput+0xe5/0x1b0
 __fput+0xee/0x2c0
 task_work_run+0x5d/0x90
 syscall_exit_to_user_mode+0x220/0x230
 do_syscall_64+0x8f/0x170
 ? __irq_exit_rcu+0x4b/0xc0
 entry_SYSCALL_64_after_hwframe+0x78/0x80
RIP: 0033:0x7fc8cc444c9b
Code: 73 01 c3 48 8b 0d 7d e1 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 0b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4d e1 0c 00 f7 d8 64 89 01 48
RSP: 002b:00007fc8a84fe858 EFLAGS: 00000206 ORIG_RAX: 000000000000000b
RAX: 0000000000000000 RBX: 00007fc89252b760 RCX: 00007fc8cc444c9b
RDX: 0000000000000008 RSI: 0000000000001000 RDI: 00007fc89980b000
RBP: 0000000000000010 R08: 00007fc8c8a4eee0 R09: 00007fc8cc4b4a80
R10: 0000000000000001 R11: 0000000000000206 R12: 0000000000000001
R13: 00007fc8928b15c0 R14: 00007fc8928b15f0 R15: 0000000000000010
 </TASK>
Modules linked in: uinput rfcomm snd_seq_dummy snd_hrtimer 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 nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables qrtr bnep sunrpc binfmt_misc vfat fat ath9k ath9k_common uvcvideo ath9k_hw snd_hda_codec_cirrus snd_hda_codec_generic snd_hda_codec_hdmi mac80211 snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec snd_hda_core libarc4 uvc videobuf2_vmalloc videobuf2_memops coretemp ath kvm_intel videobuf2_v4l2 snd_hwdep cfg80211 snd_seq applesmc videobuf2_common kvm snd_seq_device snd_pcm btusb videodev btrtl btintel btbcm snd_timer irqbypass btmtk snd acpi_cpufreq pcspkr soundcore bluetooth pktcdvd mc rfkill i2c_nforce2 apple_mfi_fastcharge loop nfnetlink zram amdgpu amdxcp drm_exec gpu_sched drm_buddy radeon drm_ttm_helper ttm video wmi i2c_algo_bit drm_suballoc_helper firewire_ohci drm_display_helper sha512_ssse3
 sha256_ssse3 firewire_core sha1_ssse3 crc_itu_t cec forcedeth nv_tco uas usb_storage hid_appleir ip6_tables ip_tables fuse
CR2: ffff9c8f919f0640