Backtrace

BUG: unable to handle page fault for address: 0000560b38692dd0
#PF: supervisor read access in kernel mode
#PF: error_code(0x0001) - permissions violation
PGD 123a23067 P4D 123a23067 PUD 1a082a067 PMD 1444e8067 PTE 800000019e826867
Oops: 0001 [#2] PREEMPT SMP NOPTI
CPU: 4 PID: 3376 Comm: bash Tainted: G      D    OE      6.2.7-200.fc37.x86_64 #1
Hardware name: ASUSTeK COMPUTER INC. VivoBook_ASUSLaptop X521UA_M533UA/X521UA, BIOS X521UA.307 04/26/2022
RIP: 0010:string+0x48/0xe0
Code: 3b 45 89 d1 45 31 c0 49 01 f9 66 45 85 d2 75 1a eb 1f 48 39 f7 73 02 88 07 48 83 c7 01 41 83 c0 01 48 83 c2 01 4c 39 cf 74 07 <0f> b6 02 84 c0 75 e1 48 89 f2 44 89 c6 e9 96 e3 ff ff 48 c7 c0 1e
RSP: 0018:ffff9f6c072f3b60 EFLAGS: 00010086
RAX: 0000560b38691dd0 RBX: ffffffffc1c64066 RCX: ffff0a00ffffff04
RDX: 0000560b38692dd0 RSI: ffff9f6c072f3c50 RDI: ffff9f6c072f3c50
RBP: ffff9f6c072f3c30 R08: 0000000000000000 R09: ffff9f6d072f3c4f
R10: ffffffffffffffff R11: 0000000000000000 R12: ffff9f6c072f3c50
R13: ffffffffc1c64066 R14: 0000000000000008 R15: ffff9f6c072f3c50
FS:  00007f4b2829a740(0000) GS:ffff89184e700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000560b38692dd0 CR3: 00000001a084e000 CR4: 0000000000350ee0
Call Trace:
 <TASK>
 vsnprintf+0x32c/0x550
 vprintk_store+0x1ce/0x540
 vprintk_emit+0xec/0x290
 _printk+0x60/0x80
 ? input_event+0x4f/0x80
 vjoy_write+0xb9/0xf0 [mydevice]
 vfs_write+0xc7/0x400
 ksys_write+0x6b/0xf0
 do_syscall_64+0x5b/0x80
 ? syscall_exit_to_user_mode+0x17/0x40
 ? do_syscall_64+0x67/0x80
 ? do_dup2+0x8b/0xc0
 ? syscall_exit_to_user_mode+0x17/0x40
 ? do_syscall_64+0x67/0x80
 ? exc_page_fault+0x70/0x170
 entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f4b28398284
Code: 15 b1 7b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 80 3d 7d 03 0e 00 00 74 13 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 54 c3 0f 1f 00 48 83 ec 28 48 89 54 24 18 48
RSP: 002b:00007ffc58a5b438 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f4b28398284
RDX: 0000000000000016 RSI: 0000560b38692dd0 RDI: 0000000000000001
RBP: 0000560b38692dd0 R08: 0000000000000000 R09: 0000000000000073
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000016
R13: 00007f4b28471780 R14: 0000000000000016 R15: 00007f4b2846ca00
 </TASK>
Modules linked in: mydevice(OE) 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 nfnetlink qrtr bnep sunrpc rtw88_8821ce rtw88_8821c rtw88_pci snd_sof_amd_rembrandt rtw88_core snd_sof_amd_renoir snd_sof_amd_acp snd_sof_pci snd_sof_xtensa_dsp snd_hda_codec_realtek snd_sof snd_hda_codec_generic mac80211 snd_hda_codec_hdmi snd_hda_intel snd_sof_utils snd_intel_dspcfg snd_intel_sdw_acpi snd_soc_core snd_hda_codec uvcvideo intel_rapl_msr intel_rapl_common snd_compress btusb edac_mce_amd ac97_bus snd_hda_core binfmt_misc videobuf2_vmalloc btrtl snd_pcm_dmaengine kvm_amd snd_hwdep snd_pci_ps btbcm videobuf2_memops snd_seq snd_rpl_pci_acp6x btintel vfat videobuf2_v4l2 snd_seq_device btmtk snd_pci_acp6x asus_nb_wmi libarc4 fat videobuf2_common snd_pci_acp5x
 asus_wmi kvm snd_pcm bluetooth cfg80211 ledtrig_audio joydev videodev snd_rn_pci_acp3x sparse_keymap irqbypass snd_acp_config snd_timer mc snd_soc_acpi rapl platform_profile snd pcspkr wmi_bmof soundcore snd_pci_acp3x k10temp i2c_piix4 rfkill amd_pmc acpi_cpufreq loop zram amdgpu drm_ttm_helper ttm iommu_v2 drm_buddy gpu_sched drm_display_helper hid_logitech_hidpp nvme ccp cec crct10dif_pclmul nvme_core crc32_pclmul crc32c_intel polyval_clmulni polyval_generic hid_multitouch video ghash_clmulni_intel sha512_ssse3 serio_raw sp5100_tco nvme_common i2c_hid_acpi wmi i2c_hid hid_logitech_dj ip6_tables ip_tables fuse
CR2: 0000560b38692dd0