[   2.0167757]  target 2 lun 0: <Google, PersistentDisk, 1> disk fixedpanic: [   2.0738484] LOCKDEBUG: Mutex error: mi_switch,528: spin lock held
[   2.0769025] cpu1: Begin t: cebaccati
   2.0769025] g a geometry
[   2.0769025] sd0: 8192 MB, 8192 cyl, 64 head, 32 sec, 512 bytes/sect x 16777216 sectors
[   2.0968807] vpanic() at sd0: fabricating a geometry
[   2.1204485] netbsd:vpanic+0x241
[   2.1268960] sd0: async, 8-bit transfers, tagged queueing
[   2.1569554] snprintf() at netbsd:snprintf
[   2.1569554] lockdebug_more() at netbsd:lockdebug_more
[   2.1569554] lockdebug_barrier() at netbsd:lockdebug_barrier+0xfe sys/kern/subr_lockdebug.c:684
[   2.1569554] mi_switch() at netbsd:mi_switch+0xfb sys/kern/kern_synch.c:532
[   2.1569554] idle_loop() at netbsd:idle_loop+0x34a x86_curlwp sys/arch/amd64/compile/obj/GENERIC_SYZKALLER/./machine/cpu.h:79 [inline]
[   2.1569554] idle_loop() at netbsd:idle_loop+0x34a sys/kern/kern_idle.c:99
[   2.1569554] cpu_hatch() at netbsd:cpu_hatch+0x267 sys/arch/x86/x86/cpu.c:970
[   2.1569554] Bad frame pointer: 0xffffcc000f738100
[   2.1569554] cpu1: End traceback...
[   2.1569554] fatal breakpoint trap in supervisor mode
[   2.1569554] trap type 1 code 0 rip 0xffffffff8021ccb5 cs 0x8 rflags 0x246 cr2 0 ilevel 0x8 rsp 0xffffcc016db37b50
[   2.1569554] curlwp 0xffffcc000f738100 pid 0.20 lowest kstack 0xffffcc016db302c0
Stopped in pid 0.20 (system) at netbsd:breakpoint+0x5:  leave
db{1}>