Backtrace

WARNING: CPU: 11 PID: 18236 at api/registry_rcu.c:495 registry_session_put+0x74/0xe0 [snapshot]
Modules linked in: singlefilefs(OE) 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 snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_msr snd_intel_sdw_acpi intel_rapl_common pktcdvd snd_hda_codec snd_hda_core snd_hwdep snd_seq snd_seq_device snd_pcm kvm_amd iTCO_wdt intel_pmc_bxt iTCO_vendor_support kvm snd_timer i2c_i801 snd irqbypass pcspkr i2c_smbus joydev soundcore virtio_balloon lpc_ich loop vsock_loopback vmw_vsock_virtio_transport_common vmw_vsock_vmci_transport vsock zram vmw_vmci lz4hc_compress lz4_compress polyval_clmulni ghash_clmulni_intel virtio_net sha512_ssse3 net_failover sha1_ssse3 virtio_gpu failover virtio_dma_buf serio_raw iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi i2c_dev fuse nfnetlink qemu_fw_cfg
CPU: 11 UID: 0 PID: 18236 Comm: umount Tainted: G           OE       6.16.4-200.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:registry_session_put+0x74/0xe0 [snapshot]
Code: 43 48 8b 50 40 48 85 d2 74 ec 39 1a 75 e8 48 85 c0 74 31 8b 42 24 48 8b 72 08 85 c0 75 70 48 c7 c7 58 72 9f c0 e8 1c cd 37 cf <0f> 0b 48 89 ee 48 c7 c7 00 ea 9e c0 e8 0b 26 50 d0 31 c0 5b 5d c3
RSP: 0018:ffffd11b8d37fb48 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000700000 RCX: 0000000000000027
RDX: ffff8eb5afd9cf88 RSI: 0000000000000001 RDI: ffff8eb5afd9cf80
RBP: 0000000000000246 R08: 0000000000000000 R09: ffffd11b8d37f9f0
R10: ffffffff922e5cd8 R11: 00000001000470c9 R12: ffffffff9021326b
R13: ffffd11b8d37fc60 R14: ffff8eb3689a8000 R15: ffffd11b8d37fbb8
FS:  00007fe80b4a3840(0000) GS:ffff8eb61cbdf000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd66ca1dc0 CR3: 00000002a87b7000 CR4: 0000000000750ef0
PKRU: 55555554
Call Trace:
 <TASK>
 path_umount_handler+0x18/0x20 [snapshot]
 kretprobe_rethook_handler+0x3f/0x60
 rethook_trampoline_handler+0x9a/0x160
 arch_rethook_trampoline_callback+0x3b/0x50
 arch_rethook_trampoline+0x2c/0x60
 ? __x64_sys_umount+0x7b/0x90
 osnoise_arch_unregister+0x210/0x210
 do_syscall_64+0x82/0x2c0
 ? vfs_fstatat+0x75/0xa0
 ? __do_sys_newfstatat+0x3b/0x80
 ? do_syscall_64+0x82/0x2c0
 ? __do_sys_newfstatat+0x4a/0x80
 ? from_kgid_munged+0x17/0x30
 ? __do_sys_getgid+0x27/0x30
 ? do_syscall_64+0x82/0x2c0
 ? do_syscall_64+0x82/0x2c0
 ? do_user_addr_fault+0x21a/0x690
 ? exc_page_fault+0x74/0x180
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fe80b6b3e4b
Code: c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 f3 0f 1e fa 31 f6 e9 05 00 00 00 0f 1f 44 00 00 f3 0f 1e fa b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 c3 0f 1f 40 00 48 8b 15 81 1f 0f 00 f7 d8
RSP: 002b:00007ffd66ca3578 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: ffffffffffffffda RBX: 0000556cbeadc550 RCX: 00007fe80b6b3e4b
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000556cbeadc960
RBP: 00007ffd66ca3650 R08: 0000556cbeae1520 R09: 00007fe80b7a6ac0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000556cbeadc960 R14: 0000556cbeadc658 R15: 0000556cbeae13b0
 </TASK>