Backtrace

BUG: kernel NULL pointer dereference, address: 000000000000000c
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: Oops: 0000 [#1] PREEMPT SMP PTI
CPU: 1 UID: 0 PID: 153 Comm: kworker/u16:11 Not tainted 6.14.5-300.fc42.x86_64 #1
Hardware name: LENOVO 29249JG/29249JG, BIOS 6UET62WW (1.42 ) 02/09/2011
Workqueue: events_unbound btrfs_extent_map_shrinker_worker
RIP: 0010:rb_next+0x57/0x70
Code: cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 66 66 2e 0f 1f 84 00 00 00 00 00 66 0f 1f 84 00 00 00 00 00 48 89 c8 48 83 e0 fc <48> 3b 78 08 75 0e 48 8b 08 48 89 c7 48 83 f9 03 77 e7 31 c0 c3 cc
RSP: 0018:ffffb8d740437d88 EFLAGS: 00010202
RAX: 0000000000000004 RBX: ffff8abe5252bc78 RCX: 0000000000000005
RDX: 0000000000000000 RSI: ffffb8d740437e10 RDI: ffff8abe88d854e0
RBP: ffffb8d740437e10 R08: ffff8abe61212238 R09: 0000000000000003
R10: ffff8abe88d85ea0 R11: ffffe4cec1236140 R12: 0000000000000000
R13: ffff8abf43f7e000 R14: ffff8abe5252bc78 R15: ffff8abe88d854e0
FS:  0000000000000000(0000) GS:ffff8ac073c80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000000000c CR3: 000000013d82c004 CR4: 00000000000206f0
Call Trace:
 <TASK>
 btrfs_scan_inode+0x7c/0x1b0
 btrfs_extent_map_shrinker_worker+0x244/0x3c0
 process_one_work+0x17e/0x340
 worker_thread+0x255/0x390
 ? __pfx_worker_thread+0x10/0x10
 kthread+0xef/0x230
 ? __pfx_kthread+0x10/0x10
 ret_from_fork+0x34/0x50
 ? __pfx_kthread+0x10/0x10
 ret_from_fork_asm+0x1a/0x30
 </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 snd_hda_codec_hdmi snd_hda_codec_conexant snd_hda_codec_generic iwldvm iTCO_wdt at24 intel_pmc_bxt mei_pxp mei_wdt iTCO_vendor_support snd_hda_intel mac80211 intel_powerclamp coretemp snd_intel_dspcfg snd_intel_sdw_acpi think_lmi snd_hda_codec libarc4 intel_cstate uvcvideo snd_hda_core snd_hwdep intel_uncore qcserial btusb snd_seq usb_wwan uvc btrtl iwlwifi videobuf2_vmalloc btintel firmware_attributes_class videobuf2_memops binfmt_misc btbcm videobuf2_v4l2 btmtk i2c_i801 mxm_wmi pcspkr snd_ctl_led wmi_bmof videobuf2_common snd_seq_device acpi_cpufreq i2c_smbus intel_ips bluetooth snd_pcm videodev cfg80211 lpc_ich mc thinkpad_acpi sparse_keymap platform_profile snd_timer pktcdvd rfkill e1000e mei_me mei
 snd soundcore joydev loop nfnetlink zram lz4hc_compress lz4_compress i915 polyval_generic i2c_algo_bit drm_buddy sdhci_pci ghash_clmulni_intel sha512_ssse3 sha256_ssse3 sdhci_uhs2 video sdhci cqhci sha1_ssse3 ttm mmc_core drm_display_helper cec wmi serio_raw fuse
CR2: 000000000000000c