uvm_fault(0xfffffd806c3d5748, 0x18, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at      mtx_enter+0x6e: movq    0(%r14),%rax
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*327799  83090      0           0  0x4000000    0  syz-executor
mtx_enter(18) at mtx_enter+0x6e sys/kern/kern_lock.c:335
clockintr_unbind(ffff80000148c030,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375
dt_ioctl_record_stop(ffff8000015d2100) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582
dtclose(231e5f,81,2000,ffff80003c97a030) at dtclose+0xd9 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(231e5f,81,2000,ffff80003c97a030) at dtclose+0xd9 sys/dev/dt/dt_dev.c:232
spec_close(ffff80003c9b8fb0) at spec_close+0x466 sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd805e258898,81,fffffd8007bfb750,ffff80003c97a030) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156
vn_closefile(fffffd806230fe90,ffff80003c97a030) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd806230fe90,ffff80003c97a030) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615
fdrop(fffffd806230fe90,ffff80003c97a030) at fdrop+0x121 sys/kern/kern_descrip.c:1280
closef(fffffd806230fe90,ffff80003c97a030) at closef+0x190 sys/kern/kern_descrip.c:1264
syscall(ffff80003c9b9200) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c9b9200) at syscall+0x962 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x70c9b3ff090, count: 4
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