kernel: double fault trap, code=0
Stopped at      Xsyscall_trampback:     repe nop
ddb{1}> 
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
the kernel did not panic
ddb{1}> trace
ffffffff8255e25e(8151e2d929b0cf11,0,6cf7c94996e,7165,1c615f,32) at Xsyscall_trampback
6cf7c949913(bfcef5597b7fefd6,f4240,0,bb8,6cf7c949913,7f7fffffb7c0) at 0x6cf7c949913
6cf7c934906(7f7fffffb860,7f7fffffbd78,c,3,7f7fffffbe80,0) at 0x6cf7c934906
6cf7c932dd9(6cf7c932dd9,7f7fffffb850,7f7fffffb860,7f7fffffbd78,c,3) at 0x6cf7c932dd9
6cf7c932799(99a0b4caea54d49a,2,7f7fffffbd78,6cf7c931b00,7f7fffffbd90,6cf7c981c40) at 0x6cf7c932799
6cf7c931ed2(0,0,0,7f7fffffbd70,0,6cf7cdbd118) at 0x6cf7c931ed2
end trace frame: 0x0, count: -6
ddb{1}> show registers
rdi                   0x7f7fffffb7a8
rsi                                0
rbp                   0x7f7fffffb790
rbx                             0x32
rdx                              0x1
rcx                    0x6cf7c9499ba
rax                       0x71de1002
r8                               0x1
r9                                 0
r10                    0x6cf7c95b67a
r11                            0x246
r12                         0x1c615f    acpi_pdirpa+0x1b1fc7
r13                           0x7165    __ALIGN_SIZE+0x6165
r14                    0x6d24e65d000
r15                            0xbb8
rip               0xffffffff8255e25e    Xsyscall_trampback
cs                               0x8
rflags                       0x10086    __ALIGN_SIZE+0xf086
rsp                   0x7f7fffffb778
ss                              0x10
Xsyscall_trampback:     repe nop
ddb{1}> show proc
PROC (syz-executor.1) pid=409328 stat=onproc
    flags process=2<EXEC> proc=0
    pri=72, usrpri=72, nice=20
    forw=0xffffffffffffffff, list=0xffff80002118ed30,0xffff80002e35f7c0
    process=0xffff8000260f2de8 user=0xffff800029d45000, vmspace=0xfffffd8067129028
    estcpu=36, cpticks=6, pctcpu=0.0
    user=0, sys=0, intr=0
ddb{1}> ps
   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND