uvm_fault(0xfffffd806c0e6d00, 0x0, 0, 1) -> e
fatal page fault in supervisor mode
trap type 6 code 0 rip ffffffff8283a908 cs 8 rflags 10207 cr2 0 cpl 0 rsp ffff80003c958f20
gsbase 0xffffffff83828ff0  kgsbase 0x0
panic: trap type 6, code=0, pc=ffffffff8283a908
Starting stack trace...
panic(ffffffff8336a6a7) at panic+0x1ba sys/kern/subr_prf.c:229
kerntrap(ffff80003c958e70) at kerntrap+0x2fb
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
dt_ioctl_record_stop(ffff800001493d00) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586
dtclose(11e5f,81,2000,ffff80002a786a68) at dtclose+0xd9 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(11e5f,81,2000,ffff80002a786a68) at dtclose+0xd9 sys/dev/dt/dt_dev.c:232
spec_close(ffff80003c959020) at spec_close+0x466 sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd8067e10060,81,fffffd8007bfb6e8,ffff80002a786a68) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156
vn_closefile(fffffd807574d088,ffff80002a786a68) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd807574d088,ffff80002a786a68) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615
fdrop(fffffd807574d088,ffff80002a786a68) at fdrop+0x121 sys/kern/kern_descrip.c:1280
closef(fffffd807574d088,ffff80002a786a68) at closef+0x190 sys/kern/kern_descrip.c:1264
syscall(ffff80003c959270) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c959270) at syscall+0x962 sys/arch/amd64/amd64/trap.c:746
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x6d1d15ad150, count: 245
End of stack trace.
WARNING: SPL NOT LOWERED ON SYSCALL 91 1842948056 EXIT 0 3
Stopped at      savectx+0xae:   movl    $0,%gs:0x688
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*295523  78662      0         0x2          0    0  syz-executor
savectx() at savectx+0xae
end of kernel
end trace frame: 0x73016dd927c0, count: 14
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