Backtrace

WARNING: CPU: 2 PID: 1853 at fs/namespace.c:1227 mntput_no_expire+0x19c/0x250
Modules linked in: 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 rfkill ip_set nf_tables nfnetlink qrtr sunrpc binfmt_misc intel_rapl_msr snd_intel8x0 snd_ac97_codec ac97_bus snd_seq intel_rapl_common rapl joydev snd_seq_device snd_pcm pcspkr i2c_piix4 snd_timer vboxguest snd soundcore loop zram crc32c_intel sha512_ssse3 vmwgfx video e1000 drm_ttm_helper ttm ata_generic wmi pata_acpi serio_raw ip6_tables ip_tables fuse
CPU: 2 PID: 1853 Comm: (geoclue) Not tainted 6.3.8-200.fc38.x86_64 #1
Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006
RIP: 0010:mntput_no_expire+0x19c/0x250
Code: 48 8b 35 cf 02 ea 01 b9 01 00 00 00 bf 00 20 00 00 48 c7 c2 80 1d 1e a7 e8 01 4d cb ff e9 b6 fe ff ff 48 83 c3 40 eb be 79 02 <0f> 0b e8 2d ca d3 ff 48 c7 c7 84 96 00 a7 83 05 3f 83 b8 01 01 e8
RSP: 0018:ffff9ea54421bd28 EFLAGS: 00010282
RAX: 00000000830fdedc RBX: ffff93830926a640 RCX: 0000000000000004
RDX: 0000000000000004 RSI: 0000000000000004 RDI: ffffffffa73211a0
RBP: dead000000000122 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000100 R12: dead000000000100
R13: ffff9382dc247680 R14: 0000000000000000 R15: ffff9382dc247710
FS:  00007f5d0340f940(0000) GS:ffff938352f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000561238d7d080 CR3: 000000015bb1a001 CR4: 00000000000306e0
Call Trace:
 <TASK>
 ? mntput_no_expire+0x19c/0x250
 ? __warn+0x81/0x130
 ? mntput_no_expire+0x19c/0x250
 ? report_bug+0x171/0x1a0
 ? handle_bug+0x3c/0x80
 ? exc_invalid_op+0x17/0x70
 ? asm_exc_invalid_op+0x1a/0x20
 ? mntput_no_expire+0x19c/0x250
 ? mntput_no_expire+0x97/0x250
 namespace_unlock+0x135/0x1a0
 path_umount+0x18a/0x510
 __x64_sys_umount+0x80/0x90
 do_syscall_64+0x60/0x90
 ? set_fs_pwd+0x93/0xc0
 ? syscall_exit_to_user_mode+0x1b/0x40
 ? do_syscall_64+0x6c/0x90
 ? syscall_exit_to_user_mode+0x1b/0x40
 ? do_syscall_64+0x6c/0x90
 ? syscall_exit_to_user_mode+0x1b/0x40
 ? do_syscall_64+0x6c/0x90
 ? __irq_exit_rcu+0x4b/0xf0
 entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f5d02d3558b
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 49 08 0c 00 f7 d8
RSP: 002b:00007ffe086b8fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: ffffffffffffffda RBX: 00007f5d03382ac5 RCX: 00007f5d02d3558b
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00007f5d030c2c71
RBP: 00007ffe086b9020 R08: 0000000000000008 R09: 00007ffe086b9020
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f5d030c2c71 R15: 0000000000000004
 </TASK>