Backtrace

BUG: unable to handle page fault for address: 0000000001000038
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 0 P4D 0 
Oops: 0002 [#1] SMP PTI
CPU: 2 PID: 2822 Comm: uname Not tainted 5.11.12-300.fc34.x86_64 #1
Hardware name: Dell Inc. Vostro 260s  /0GDG8Y       , BIOS A00 04/12/2011
RIP: 0010:start_transaction+0x71/0x580
Code: d3 0f 84 92 00 00 00 80 e7 06 0f 85 63 04 00 00 65 48 8b 04 25 c0 7b 01 00 4c 8b a0 60 0c 00 00 b8 01 00 00 00 49 8d 7c 24 38 <f0> 41 0f c1 44 24 38 85 c0 0f 84 41 04 00 00 8d 50 01 09 c2 0f 88
RSP: 0018:ffffa3ef00bfbce8 EFLAGS: 00010246
RAX: 0000000000000001 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000000801 RSI: 0000000000000000 RDI: 0000000001000038
RBP: ffff95c1c6ef8000 R08: 0000000000000001 R09: 0000000000000000
R10: ffff95c1f82db960 R11: 0000000000001000 R12: 0000000001000000
R13: 0000000000000000 R14: ffff95c1c6ef8000 R15: ffff95c1c6759000
FS:  00007fd96c8a95c0(0000) GS:ffff95c2f7b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000001000038 CR3: 0000000197d8e005 CR4: 00000000000606e0
Call Trace:
 ? filename_lookup+0x114/0x180
 ? __mod_memcg_lruvec_state+0x21/0xe0
 btrfs_dirty_inode+0x48/0xe0
 touch_atime+0xaa/0x120
 btrfs_file_mmap+0x39/0x50
 mmap_region+0x415/0x6a0
 do_mmap+0x45c/0x570
 ? security_mmap_file+0x81/0xd0
 vm_mmap_pgoff+0xb8/0x160
 ksys_mmap_pgoff+0x19b/0x1f0
 do_syscall_64+0x33/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fd96c7d4306
Code: 01 00 66 90 f3 0f 1e fa 41 f7 c1 ff 0f 00 00 75 2b 55 48 89 fd 53 89 cb 48 85 ff 74 37 41 89 da 48 89 ef b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 62 5b 5d c3 0f 1f 80 00 00 00 00 48 8b 05 31
RSP: 002b:00007fff941fb568 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd96c7d4306
RDX: 0000000000000001 RSI: 000000000d52fb80 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 00007fff941fdbc2
R13: 00007fff941fb580 R14: 000000000d52fb80 R15: 0000000000000003
Modules linked in: uinput ccm rfcomm 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 ip6table_filter ip6_tables iptable_filter cmac bnep sunrpc intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp snd_hda_codec_hdmi kvm_intel snd_hda_codec_conexant snd_hda_codec_generic ath9k ledtrig_audio snd_hda_intel snd_intel_dspcfg kvm dcdbas dell_smm_hwmon ath9k_common soundwire_intel at24 mei_hdcp iTCO_wdt soundwire_generic_allocation ath9k_hw intel_pmc_bxt iTCO_vendor_support gpio_ich irqbypass snd_soc_core btusb btrtl rapl mac80211 intel_cstate btbcm intel_uncore btintel snd_compress bluetooth
 snd_pcm_dmaengine soundwire_cadence snd_hda_codec ath cfg80211 snd_hda_core ac97_bus snd_hwdep snd_seq joydev ecdh_generic snd_seq_device i2c_i801 pcspkr rfkill ecc snd_pcm mei_me libarc4 i2c_smbus lpc_ich mei snd_timer snd soundcore zram ip_tables i915 crct10dif_pclmul crc32_pclmul video crc32c_intel i2c_algo_bit drm_kms_helper ghash_clmulni_intel cec uas ata_generic pata_acpi drm serio_raw usb_storage r8169 fuse
CR2: 0000000001000038