uvm_fault(0xfffffd806c04f448, 0x18, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at      mtx_enter+0x59: movq    0(%r14),%rax
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
* 12873  49092      0           0  0x4000000    0  syz-executor
mtx_enter(18) at mtx_enter+0x59 sys/kern/kern_lock.c:303
clockintr_unbind(ffff80000151c730,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375
dt_ioctl_record_stop(ffff80000149e480) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:575
dtclose(11e5f,81,2000,ffff80002a7cf9d0) at dtclose+0xd5 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(11e5f,81,2000,ffff80002a7cf9d0) at dtclose+0xd5 sys/dev/dt/dt_dev.c:232
spec_close(ffff800033926f10) at spec_close+0x45f sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd8068fc5eb0,81,fffffd807f7d7478,ffff80002a7cf9d0) at VOP_CLOSE+0x12a sys/kern/vfs_vops.c:156
vn_closefile(fffffd806c496800,ffff80002a7cf9d0) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd806c496800,ffff80002a7cf9d0) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615
fdrop(fffffd806c496800,ffff80002a7cf9d0) at fdrop+0x126 sys/kern/kern_descrip.c:1265
sys_ioctl(ffff80002a7cf9d0,ffff800033927220,ffff800033927170) at sys_ioctl+0x6b7 sys/kern/sys_generic.c:516
syscall(ffff800033927220) at syscall+0x97e mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff800033927220) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xcd60eb491f0, count: 4
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