login: uvm_fault(0xfffff5800bec1b98, 0x70, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at      dovutimens+0x368:       movl    0x70(%rax),%r12d
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*123670  11963      0           0  0x4000000    0  syz-executor
dovutimens(ffff80003c910a90,fffff5806d2c7a80,ffff80003b8f36a0) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2691
sys_futimes(ffff80003c910a90,ffff80003b8f37e0,ffff80003b8f3730) at sys_futimes+0x208 sys/kern/vfs_syscalls.c:2733
syscall(ffff80003b8f37e0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003b8f37e0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xe8105df6930, count: 11
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(0xfffff5800bec1b98, 0x70, 0, 1) -> e
ddb> show kasan
No such command
ddb> trace
dovutimens(ffff80003c910a90,fffff5806d2c7a80,ffff80003b8f36a0) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2691
sys_futimes(ffff80003c910a90,ffff80003b8f37e0,ffff80003b8f3730) at sys_futimes+0x208 sys/kern/vfs_syscalls.c:2733
syscall(ffff80003b8f37e0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003b8f37e0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xe8105df6930, count: -4
ddb>