Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#1] PREEMPT SMP NOPTI
CPU: 0 PID: 20793 Comm: insmod Tainted: G        W  OE      6.2.10-300.fc38.x86_64 #1
Hardware name: System manufacturer PRIME Z390-A/PRIME Z390-A, BIOS 0402 09/04/2018
RIP: 0010:freelist_get_dma+0x5b/0x90 [hptnvme]
Code: 8b 50 08 48 89 55 00 5b 5d c3 cc cc cc cc ba 27 01 00 00 48 c7 c6 80 7e 42 c1 48 c7 c7 1d f8 42 c1 e8 29 95 da c0 48 8b 43 10 <48> 8b 10 83 6b 08 01 48 89 53 10 48 85 c0 75 c5 31 c0 5b 5d c3 cc
RSP: 0018:ffffb43f0b6e7b10 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff996dbb6814d8 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000027 RDI: 00000000ffffffff
RBP: ffff996dbb681530 R08: 0000000000000000 R09: ffffb43f0b6e79b8
R10: 0000000000000003 R11: ffffffff841447c8 R12: ffff996f5f120000
R13: ffffffffc143dfa0 R14: ffff996dbb680ba0 R15: 0000000000000008
FS:  00007f01eed80740(0000) GS:ffff996fa5c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001e485c001 CR4: 00000000003706f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 nvme_initialize+0x3c/0x4e0 [hptnvme]
 ? hpt_probe+0x2ff/0x5d0 [hptnvme]
 ? local_pci_probe+0x3e/0x90
 ? pci_device_probe+0xc3/0x230
 ? really_probe+0x1b2/0x400
 ? __driver_probe_device+0x78/0x160
 ? driver_probe_device+0x1f/0x90
 ? __driver_attach+0xce/0x1c0
 ? __pfx___driver_attach+0x10/0x10
 ? bus_for_each_dev+0x84/0xd0
 ? bus_add_driver+0x13e/0x230
 ? driver_register+0x77/0x120
 ? __pfx_init_module+0x10/0x10 [hptnvme]
 ? do_one_initcall+0x56/0x230
 ? do_init_module+0x4a/0x210
 ? __do_sys_finit_module+0xac/0x120
 ? do_syscall_64+0x59/0x90
 ? ksys_mmap_pgoff+0xe8/0x1f0
 ? syscall_exit_to_user_mode+0x17/0x40
 ? do_syscall_64+0x68/0x90
 ? do_syscall_64+0x68/0x90
 ? __irq_exit_rcu+0x3d/0x140
 ? entry_SYSCALL_64_after_hwframe+0x72/0xdc
 </TASK>
Modules linked in: hptnvme(OE+) nls_utf8 cifs cifs_arc4 cifs_md4 dns_resolver fscache netfs uinput isofs 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 nfnetlink qrtr sunrpc binfmt_misc vfat fat snd_sof_pci_intel_cnl snd_sof_intel_hda_common soundwire_intel soundwire_generic_allocation soundwire_cadence snd_sof_intel_hda snd_sof_pci snd_sof_xtensa_dsp snd_sof snd_hda_codec_hdmi snd_sof_utils soundwire_bus snd_soc_skl snd_soc_hdac_hda snd_hda_ext_core snd_soc_sst_ipc snd_hda_codec_realtek snd_soc_sst_dsp snd_soc_acpi_intel_match snd_soc_acpi snd_hda_codec_generic snd_soc_core snd_compress ac97_bus snd_pcm_dmaengine snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec snd_hda_core iTCO_wdt mei_hdcp snd_hwdep intel_rapl_msr mei_pxp snd_seq
 intel_rapl_common intel_pmc_bxt ee1004 iTCO_vendor_support snd_seq_device eeepc_wmi snd_pcm asus_wmi intel_tcc_cooling ledtrig_audio x86_pkg_temp_thermal snd_timer sparse_keymap intel_powerclamp platform_profile coretemp rfkill rapl mxm_wmi intel_wmi_thunderbolt wmi_bmof intel_cstate intel_uncore snd uas mei_me i2c_i801 usb_storage soundcore i2c_smbus mei joydev acpi_pad loop zram i915 crct10dif_pclmul crc32_pclmul crc32c_intel polyval_clmulni drm_buddy polyval_generic drm_display_helper e1000e ghash_clmulni_intel cec sha512_ssse3 video ttm wmi ip6_tables ip_tables fuse
CR2: 0000000000000000