uvm_fault(0xfffffd8062f33210, 0x0, 0, 1) -> e
fatal page fault in supervisor mode
trap type 6 code 0 rip ffffffff82213c68 cs 8 rflags 10207 cr2 0 cpl 0 rsp ffff80002a3a4330
gsbase 0xffff8000299edff0  kgsbase 0x0
panic: trap type 6, code=0, pc=ffffffff82213c68
Starting stack trace...
panic(ffffffff833c127a) at panic+0x1d0 sys/kern/subr_prf.c:229
kerntrap(ffff80002a3a4280) at kerntrap+0x30b
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
dt_ioctl_record_stop(ffff80000147f000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593
dtclose(31e5f,81,2000,ffff8000357e62c8) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(31e5f,81,2000,ffff8000357e62c8) at dtclose+0x109 sys/dev/dt/dt_dev.c:239
spec_close(ffff80002a3a4430) at spec_close+0x466 sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd8078fd0c30,81,fffffd80097fb7b8,ffff8000357e62c8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156
vn_closefile(fffffd8060bf8e38,ffff8000357e62c8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd8060bf8e38,ffff8000357e62c8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615
fdrop(fffffd8060bf8e38,ffff8000357e62c8) at fdrop+0x121 sys/kern/kern_descrip.c:1280
closef(fffffd8060bf8e38,ffff8000357e62c8) at closef+0x192 sys/kern/kern_descrip.c:1264
fdfree(ffff8000357e62c8) at fdfree+0x116 sys/kern/kern_descrip.c:1195
exit1(ffff8000357e62c8,b,0,1) at exit1+0x576 sys/kern/kern_exit.c:215
sys_exit(ffff8000357e62c8,ffff80002a3a47a0,ffff80002a3a46f0) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80002a3a47a0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a3a47a0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:765
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7bc953f35630, count: 242
End of stack trace.
WARNING: SPL NOT LOWERED ON SYSCALL 91 1721714424 EXIT 0 4
Stopped at      savectx+0xae:   movl    $0,%gs:0x688
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
 450271  39830      0           0          0    0  syz-executor
*306289  83935      0         0x2          0    1  syz-executor
savectx() at savectx+0xae
end of kernel
end trace frame: 0x7930669f46e0, count: 14
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