Backtrace

WARNING: CPU: 11 PID: 2562 at kernel/sched/core.c:5484 preempt_count_sub+0x5a/0x90
Modules linked in: a3818(OE) 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 nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables nfnetlink qrtr sunrpc vfat fat squashfs loop snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi intel_rapl_msr snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi intel_rapl_common snd_hda_codec amd64_edac edac_mce_amd snd_hda_core snd_hwdep kvm_amd snd_seq snd_seq_device kvm snd_pcm eeepc_wmi asus_wmi snd_timer sparse_keymap platform_profile irqbypass asus_wmi_ec_sensors rapl rfkill snd joydev pcspkr wmi_bmof i2c_piix4 k10temp cdc_acm soundcore acpi_cpufreq zram ip_tables igb nvme hid_logitech_hidpp nvme_core r8169 dca nouveau hid_logitech_dj video drm_ttm_helper ttm i2c_algo_bit drm_kms_helper cec crct10dif_pclmul mxm_wmi crc32_pclmul drm
 crc32c_intel ghash_clmulni_intel ccp sp5100_tco wmi ipmi_devintf ipmi_msghandler fuse
CPU: 11 PID: 2562 Comm: CAENDPPServer Tainted: G        W  OE     5.17.4-200.fc35.x86_64 #1
Hardware name: Ace Computers Ace /Pro WS X570-ACE, BIOS 3801 07/30/2021
RIP: 0010:preempt_count_sub+0x5a/0x90
Code: bb f0 4f c3 e8 f7 b6 54 00 85 c0 74 f6 8b 15 15 bb 06 02 85 d2 75 ec 48 c7 c6 94 58 5e b1 48 c7 c7 8a c3 5c b1 e8 35 39 b3 00 <0f> 0b c3 84 c0 75 c9 e8 ca b6 54 00 85 c0 74 c9 8b 05 e8 ba 06 02
RSP: 0018:ffffb94ac220fc70 EFLAGS: 00010282
RAX: 000000000000002a RBX: ffff99f6813aa000 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffffb1640335 RDI: 00000000ffffffff
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffb94ac220fab0
R10: ffffb94ac220faa8 R11: ffffffffb1f45548 R12: 0000000000000000
R13: ffff99f689339500 R14: ffff99f6813aa1c8 R15: ffff99f696115c50
FS:  00007f12b5dc3b40(0000) GS:ffff9a152ecc0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f12afefd238 CR3: 000000015ac00000 CR4: 0000000000750ee0
PKRU: 55555554
Call Trace:
 <TASK>
 _raw_spin_unlock+0x16/0x30
 a3818_open+0x1cd/0x210 [a3818]
 chrdev_open+0xb3/0x230
 ? cdev_device_add+0x90/0x90
 do_dentry_open+0x14e/0x370
 path_openat+0xafb/0x11d0
 ? terminate_walk+0xe1/0xf0
 ? path_lookupat+0xa2/0x1b0
 do_filp_open+0x9f/0x130
 ? __check_object_size+0x127/0x140
 ? _raw_spin_unlock+0x16/0x30
 ? alloc_fd+0xb4/0x170
 do_sys_openat2+0x7a/0x140
 __x64_sys_openat+0x45/0x70
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f12b1836e9e
Code: 89 54 24 08 e8 73 f2 ff ff 8b 74 24 0c 48 8b 3c 24 41 89 c0 44 8b 54 24 08 b8 01 01 00 00 89 f2 48 89 fe bf 9c ff ff ff 0f 05 <48> 3d 00 f0 ff ff 77 30 44 89 c7 89 44 24 08 e8 9e f2 ff ff 8b 44
RSP: 002b:00007fff0701c750 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f12b1836e9e
RDX: 0000000000000002 RSI: 00007fff0701c8c0 RDI: 00000000ffffff9c
RBP: 00007f12b01081c0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 00007f12b01081c0
R13: 0000000000000000 R14: 00007fff0701c8c0 R15: 0000000000000000
 </TASK>