Backtrace

traps: Web Content[2951] general protection fault ip:7f2a02a69497 sp:7ffee4aef608 error:0 in libxul.so[7f2a00716000+43d5000]
BUG: unable to handle page fault for address: ffff9fdbd7376000
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 18a01067 P4D 18a01067 PUD 0 
Oops: 0002 [#1] SMP PTI
CPU: 2 PID: 3818 Comm: Worker Launcher Not tainted 5.11.12-300.fc34.x86_64 #1
Hardware name: Gigabyte Technology Co., Ltd. EP45-UD3L/EP45-UD3L, BIOS F3 01/13/2009
RIP: 0010:refill_obj_stock+0x46/0xa0
Code: 66 66 90 48 c7 c5 a0 79 02 00 65 48 03 2d 3a 0e d0 6c 48 39 7d 10 74 42 48 89 fb 48 89 ef e8 11 ff ff ff 48 8b 03 a8 03 75 4a <65> 48 ff 00 e8 d1 66 e4 ff 48 89 5d 10 31 c0 87 43 18 44 01 e8 89
RSP: 0018:ffffb8c3c226bbd0 EFLAGS: 00010046
RAX: 0000000159676000 RBX: ffff9fda05b97040 RCX: 0000000000000005
RDX: 0000000000000000 RSI: 0000000000000048 RDI: ffff9fda7dd279a0
RBP: ffff9fda7dd279a0 R08: ffff9fda030fc6b8 R09: 0000000000000000
R10: ffff9fda572cf790 R11: 0000000000000001 R12: 0000000000000206
R13: 0000000000000048 R14: ffff9fda011d4f00 R15: fffff18e400c50c0
FS:  00007fc1d06f3640(0000) GS:ffff9fda7dd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff9fdbd7376000 CR3: 000000000589e000 CR4: 00000000000406e0
Call Trace:
 kmem_cache_free+0x2ac/0x430
 ? unlink_anon_vmas+0x15d/0x1d0
 unlink_anon_vmas+0x15d/0x1d0
 free_pgtables+0x93/0x100
 exit_mmap+0xa6/0x1c0
 mmput+0x61/0x140
 do_exit+0x30c/0xac0
 do_group_exit+0x33/0xa0
 get_signal+0x14f/0x8a0
 arch_do_signal_or_restart+0xf2/0x700
 ? __x64_sys_futex+0x73/0x1b0
 exit_to_user_mode_prepare+0xde/0x1b0
 syscall_exit_to_user_mode+0x18/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fc1efac8a6a
Code: Unable to access opcode bytes at RIP 0x7fc1efac8a40.
RSP: 002b:00007fc1d06f2900 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 00007fc1efac8a6a
RDX: 0000000000000000 RSI: 0000000000000189 RDI: 00007fc1d0b20218
RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc1d0b20218 R14: 0000000000000000 R15: 0000000000000000
Modules linked in: hid_logitech_hidpp joydev hid_logitech_dj hid_sunplus snd_seq_dummy snd_hrtimer 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 nfnetlink rfkill ip6table_filter ip6_tables iptable_filter sunrpc snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_intel snd_intel_dspcfg soundwire_intel soundwire_generic_allocation snd_soc_core snd_compress snd_pcm_dmaengine soundwire_cadence snd_hda_codec coretemp snd_hda_core ac97_bus snd_hwdep kvm_intel snd_seq iTCO_wdt intel_pmc_bxt kvm ppdev snd_seq_device iTCO_vendor_support gpio_ich snd_pcm irqbypass snd_timer snd i2c_i801 pcspkr soundcore i2c_smbus parport_pc lpc_ich parport acpi_cpufreq zram
 ip_tables radeon i2c_algo_bit drm_ttm_helper ttm drm_kms_helper cec drm ata_generic serio_raw pata_acpi r8169 pata_jmicron fuse
CR2: ffff9fdbd7376000