panic: init died (signal 0, exit 10)
Stopped at      db_enter+0x25:  addq    $0x8,%rsp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*334146      1      0  0x30000002     0x2000    0K init
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff834e8418) at panic+0x1e5 sys/kern/subr_prf.c:198
exit1(ffff800045fff4c0,a,0,1) at exit1+0x133 sys/kern/kern_exit.c:135
sys_exit(ffff800045fff4c0,ffff80002a1ac2e0,ffff80002a1ac230) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80002a1ac2e0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a1ac2e0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7cddf598b850, count: 9
https://www.openbsd.org/ddb.html describes the minimum info required in bug
reports.  Insufficient info makes it difficult to find and fix bugs.
ddb{0}> 
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
*cpu0: init died (signal 0, exit 10)
ddb{0}> show kasan
No such command
ddb{0}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff834e8418) at panic+0x1e5 sys/kern/subr_prf.c:198
exit1(ffff800045fff4c0,a,0,1) at exit1+0x133 sys/kern/kern_exit.c:135
sys_exit(ffff800045fff4c0,ffff80002a1ac2e0,ffff80002a1ac230) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80002a1ac2e0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a1ac2e0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7cddf598b850, count: -6
ddb{0}> show registers
rdi                                0
rsi                              0x1
rbp               0xffff80002a1ac0b0
rbx               0xffffffff839f0e0f    cpu_info_full_primary+0x2e0f
rdx                                0
rcx               0xffff800045fff4c0
rax               0xffffffff839efff0    cpu_info_full_primary+0x1ff0
r8                 0x101010101010101
r9                0x8080808080808080
r10               0xb1fbfc05b027d1e9
r11               0xfe7529420b02025b
r12               0xffffffff839f0c10    cpu_info_full_primary+0x2c10
r13                                0
r14                                0
r15                              0x1
rip               0xffffffff8294dcc5    db_enter+0x25
cs                               0x8
rflags                         0x246
rsp               0xffff80002a1ac0a0
ss                              0x10
db_enter+0x25:  addq    $0x8,%rsp
ddb{0}> show proc
PROC (init) tid=334146 pid=1 tcnt=1 stat=onproc
    flags process=30000002<EXEC,WAITEVENT,CONTINUED> proc=2000<WEXIT>
    runpri=32, usrpri=50, slppri=32, nice=20
    wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
    forw=0xffffffffffffffff, list=0xffffffff83aa2160,0xffff800045fff238
    process=0xffff800045ffb548 user=0xffff80002a1a7000, vmspace=0xfffff5000b1f7d58
    estcpu=0, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb{0}>