Backtrace

BUG: unable to handle page fault for address: ffff8f9e5d5b3700
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 1cbc01067 P4D 1cbc01067 PUD 0 
Oops: 0000 [#1] SMP PTI
CPU: 3 PID: 867777 Comm: gnome-shell Not tainted 5.14.11-200.fc34.x86_64 #1
Hardware name: SAMSUNG ELECTRONICS CO., LTD. 270E5J/2570EJ/NP270E5J-XD1BR, BIOS P05RCK.048.140903.XK 09/03/2014
RIP: 0010:refill_obj_stock+0x49/0x120
Code: 00 0f 85 c3 00 00 00 48 c7 c3 00 88 02 00 65 48 03 1d 1b 44 ce 50 45 31 ed 48 83 c3 10 4c 39 23 74 64 48 89 df e8 87 f3 ff ff <49> 8b 04 24 a8 03 75 74 65 48 ff 00 e8 c6 2e e3 ff 4c 89 23 41 8b
RSP: 0000:ffffa031c8fc3c40 EFLAGS: 00010206
RAX: 00003090582615f8 RBX: ffff8fa167ba8810 RCX: 0000000000020000
RDX: 00000000fffe1c90 RSI: 0000000000000006 RDI: 0000309058000b00
RBP: 00000000000000d0 R08: 0000000000000030 R09: fffffffffffe1c90
R10: ffff8fa0cf0e7258 R11: 0000000000000000 R12: ffff8f9e5d5b3700
R13: 0000000000000000 R14: ffffc7f6463c39c0 R15: ffff8fa0401dbf00
FS:  0000000000000000(0000) GS:ffff8fa167b80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff8f9e5d5b3700 CR3: 00000001cac10003 CR4: 00000000001706e0
Call Trace:
 ? remove_vma+0x5b/0x70
 kmem_cache_free+0x1fe/0x3f0
 remove_vma+0x5b/0x70
 exit_mmap+0xba/0x1c0
 mmput+0x61/0x140
 do_exit+0x2e9/0xa90
 do_group_exit+0x33/0xa0
 get_signal+0x16b/0x890
 arch_do_signal_or_restart+0xfd/0x730
 ? force_sig_info_to_task+0xbd/0xf0
 ? force_sig_fault+0x4c/0x70
 ? __bad_area_nosemaphore+0x11c/0x190
 exit_to_user_mode_prepare+0x11a/0x240
 ? asm_exc_page_fault+0x8/0x30
 irqentry_exit_to_user_mode+0x5/0x20
 asm_exc_page_fault+0x1e/0x30
RIP: 0033:0x0
Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.
RSP: 002b:00007ffd14a65df8 EFLAGS: 00010206
RAX: 0000000000000000 RBX: 000055ac7b0d5260 RCX: 0000000000000008
RDX: 000055ac7b0d5260 RSI: 000055ac7dd66060 RDI: 000055ac7dd66060
RBP: 00007fca5400d4f0 R08: 000055ac7b0d5d10 R09: 000055ac7b0d5260
R10: 00007ffd14bc9080 R11: 00007ffd14bc9090 R12: 000055ac7dd66060
R13: 000055ac7ee16e60 R14: 000055ac7dd660c8 R15: 000055ac7dd660c8
Modules linked in: uinput rfcomm snd_seq_dummy snd_hrtimer xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp 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 nf_tables ebtable_nat ebtable_broute 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 nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter bnep sunrpc vfat fat squashfs loop intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal snd_hda_codec_realtek intel_powerclamp coretemp snd_hda_codec_generic kvm_intel ledtrig_audio uvcvideo kvm snd_hda_codec_hdmi irqbypass videobuf2_vmalloc ath9k videobuf2_memops ath9k_common snd_hda_intel ath9k_hw videobuf2_v4l2 snd_intel_dspcfg snd_intel_sdw_acpi
 videobuf2_common snd_hda_codec ath3k mac80211 rapl intel_cstate intel_uncore videodev snd_hda_core btusb snd_hwdep btrtl ath mc btbcm snd_seq cfg80211 btintel snd_seq_device snd_pcm snd_timer at24 iTCO_wdt mei_hdcp rtsx_usb_ms intel_pmc_bxt iTCO_vendor_support bluetooth memstick ecdh_generic snd rfkill soundcore libarc4 joydev pcspkr i2c_i801 mei_me lpc_ich mei i2c_smbus zram ip_tables i915 nouveau drm_ttm_helper mxm_wmi crct10dif_pclmul crc32_pclmul crc32c_intel i2c_algo_bit ttm drm_kms_helper ghash_clmulni_intel cec drm serio_raw r8169 wmi video rtsx_usb_sdmmc mmc_core rtsx_usb fuse
CR2: ffff8f9e5d5b3700