[   1.8080024] panic: sdC atBUG: Mut0x earge: 2i_uwi0c ,528g spineroik hetd
[  1.8000022] scpu1: Bigk  ixadebac
   1.8080024] k...
[   1.8680971] sd0: fabricating a geometry
[   1.8680971] sd0: 8192 MB, 8192 cyl, 64 head, 32 sec, 512 bytes/sect x 16777216 sectors
[   1.8881460] sd0: fabricating a geometry
[   1.8993696] vpanic() at netbsd:vpanic+0x241 sys/kern/subr_prf.c:336
[   1.9382097] sd0: async, 8-bit transfers, tagged queueing
[   1.9582420] snprintf() at netbsd:snprintf
[   2.0183548] lockdebug_more() at netbsd:lockdebug_more
[   2.0484116] lockdebug_barrier() at netbsd:lockdebug_barrier+0xfe sys/kern/subr_lockdebug.c:684
[   2.0484116] mi_switch() at netbsd:mi_switch+0xfb sys/kern/kern_synch.c:532
[   2.0484116] idle_loop() at netbsd:idle_loop+0x34a x86_curlwp sys/arch/amd64/compile/obj/GENERIC_SYZKALLER/./machine/cpu.h:79 [inline]
[   2.0484116] idle_loop() at netbsd:idle_loop+0x34a sys/kern/kern_idle.c:99
[   2.0484116] cpu_hatch() at netbsd:cpu_hatch+0x267 sys/arch/x86/x86/cpu.c:970
[   2.0484116] Bad frame pointer: 0xffffb5800f738100
[   2.0484116] cpu1: End traceback...
[   2.0484116] fatal breakpoint trap in supervisor mode
[   2.0484116] trap type 1 code 0 rip 0xffffffff8021ccc5 cs 0x8 rflags 0x246 cr2 0 ilevel 0x8 rsp 0xffffb5816db37b50
[   2.0484116] curlwp 0xffffb5800f738100 pid 0.20 lowest kstack 0xffffb5816db302c0
Stopped in pid 0.20 (system) at netbsd:breakpoint+0x5:  leave
db{1}>