Backtrace

WARNING: CPU: 6 PID: 55 at kernel/locking/qspinlock_paravirt.h:504 __pv_queued_spin_unlock_slowpath+0xec/0x140
Modules linked in: snapshot(OE) uinput snd_seq_dummy snd_hrtimer rfkill 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 nf_tables qrtr intel_rapl_msr intel_rapl_common pktcdvd snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec snd_hda_core snd_hwdep kvm_amd iTCO_wdt snd_seq intel_pmc_bxt iTCO_vendor_support snd_seq_device kvm snd_pcm joydev snd_timer i2c_i801 irqbypass pcspkr i2c_smbus snd virtio_balloon lpc_ich soundcore loop vsock_loopback vmw_vsock_virtio_transport_common vmw_vsock_vmci_transport vsock zram vmw_vmci lz4hc_compress lz4_compress polyval_clmulni polyval_generic ghash_clmulni_intel sha512_ssse3 sha256_ssse3 sha1_ssse3 virtio_net virtio_gpu net_failover virtio_dma_buf failover serio_raw iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi i2c_dev fuse nfnetlink qemu_fw_cfg
CPU: 6 UID: 0 PID: 55 Comm: ksoftirqd/6 Tainted: G           OE       6.15.10-200.fc42.x86_64 #1 PREEMPT(lazy) 
Tainted: [O]=OOT_MODULE, [E]=UNSIGNED_MODULE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.17.0-5.fc42 04/01/2014
RIP: 0010:__pv_queued_spin_unlock_slowpath+0xec/0x140
Code: e8 09 39 e6 fe 90 48 83 c4 18 c3 cc cc cc cc 8b 05 49 36 74 01 85 c0 75 ed 8b 17 48 89 fe 48 c7 c7 70 b9 a3 a8 e8 64 b3 ea fe <0f> 0b eb d8 44 89 d2 be 01 00 00 00 48 c7 c7 20 a7 48 a9 e8 3c 43
RSP: 0018:ffffd3314022fce0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8e06ce998500 RCX: 0000000000000027
RDX: ffff8e0a2fb1cbc8 RSI: 0000000000000001 RDI: ffff8e0a2fb1cbc0
RBP: 0000000000000400 R08: 0000000000000000 R09: ffffd3314022fb88
R10: ffffffffa953bfc8 R11: 00000000ffffdfff R12: 0000000000000000
R13: ffff8e075a623740 R14: 0000000000000400 R15: ffff8e076bd60000
FS:  0000000000000000(0000) GS:ffff8e0a85770000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8e81263f70 CR3: 00000001acd11000 CR4: 0000000000750ef0
PKRU: 55555554
Call Trace:
 <TASK>
 ? rcutree_enqueue.isra.0+0x1b/0xd0
 __raw_callee_save___pv_queued_spin_unlock_slowpath+0x15/0x30
 .slowpath+0x9/0x18
 _raw_spin_unlock_irqrestore+0xe/0x40
 snapshot_save+0x21f/0x280 [snapshot]
 read_original_block_end_io+0x78/0x140 [snapshot]
 blk_update_request+0x128/0x460
 ? finish_task_switch.isra.0+0x99/0x2c0
 blk_mq_end_request+0x20/0x40
 blk_done_softirq+0x4a/0x60
 handle_softirqs+0xed/0x340
 ? __pfx_smpboot_thread_fn+0x10/0x10
 run_ksoftirqd+0x2f/0x40
 smpboot_thread_fn+0xf0/0x220
 kthread+0xf9/0x240
 ? __pfx_kthread+0x10/0x10
 ret_from_fork+0x31/0x50
 ? __pfx_kthread+0x10/0x10
 ret_from_fork_asm+0x1a/0x30
 </TASK>