login: uvm_fault(0xfffffd800d6c92f8, 0xf, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at      ktrops+0x58:    movq    0x10(%r14),%r14
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*120352  12958      0           0  0x4000000    0  syz-executor
ktrops(ffff80002a776a70,ffffffffffffffff,0,a0001916,fffffd806f98be88,fffffd8007ffd8f0) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline]
ktrops(ffff80002a776a70,ffffffffffffffff,0,a0001916,fffffd806f98be88,fffffd8007ffd8f0) at ktrops+0x58 sys/kern/kern_ktrace.c:570
doktrace(fffffd806f98be88,4,20001916,ffffffff,ffff80002a776a70) at doktrace+0x560 ktrsetchildren sys/kern/kern_ktrace.c:595 [inline]
doktrace(fffffd806f98be88,4,20001916,ffffffff,ffff80002a776a70) at doktrace+0x560 sys/kern/kern_ktrace.c:502
sys_ktrace(ffff80002a776a70,ffff8000388df0b0,ffff8000388df000) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558
syscall(ffff8000388df0b0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff8000388df0b0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xe5567e0ced0, count: 10
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> 
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
*cpu0: uvm_fault(0xfffffd800d6c92f8, 0xf, 0, 1) -> e
ddb> trace
ktrops(ffff80002a776a70,ffffffffffffffff,0,a0001916,fffffd806f98be88,fffffd8007ffd8f0) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline]
ktrops(ffff80002a776a70,ffffffffffffffff,0,a0001916,fffffd806f98be88,fffffd8007ffd8f0) at ktrops+0x58 sys/kern/kern_ktrace.c:570
doktrace(fffffd806f98be88,4,20001916,ffffffff,ffff80002a776a70) at doktrace+0x560 ktrsetchildren sys/kern/kern_ktrace.c:595 [inline]
doktrace(fffffd806f98be88,4,20001916,ffffffff,ffff80002a776a70) at doktrace+0x560 sys/kern/kern_ktrace.c:502
sys_ktrace(ffff80002a776a70,ffff8000388df0b0,ffff8000388df000) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558
syscall(ffff8000388df0b0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff8000388df0b0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xe5567e0ced0, count: -5
ddb> show registers
rdi               0xffff80002a776a70
rsi               0xffffffffffffffff
rbp               0xffff8000388dedd0
rbx               0xfffffd8007ffd8f0
rdx                                0
rcx                       0xa0001916
rax               0xffff80002a776a70
r8                0xfffffd806f98be88
r9                0xfffffd8007ffd8f0
r10               0xca0d57b6f36784df
r11               0x80c9e529eb3bfedb
r12               0xffff80002a776a70
r13                              0x1
r14               0xffffffffffffffff
r15                       0xa0001916
rip               0xffffffff81809c18    ktrops+0x58
cs                               0x8
rflags                       0x10246    __ALIGN_SIZE+0xf246
rsp               0xffff8000388ded50
ss                                 0
ktrops+0x58:    movq    0x10(%r14),%r14
ddb>