panic: a thread waited too long to allocate a page
cpuid = 1
time = 65
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0086f78230
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0086f78390
vpanic() at vpanic+0x257/frame 0xfffffe0086f78550
panic() at panic+0xb5/frame 0xfffffe0086f78620
vm_pageout_oom() at vm_pageout_oom+0xce4/frame 0xfffffe0086f786b0
vm_fault_allocate() at vm_fault_allocate+0xe41/frame 0xfffffe0086f78830
vm_fault() at vm_fault+0xd40/frame 0xfffffe0086f78bc0
vm_fault_trap() at vm_fault_trap+0xbd/frame 0xfffffe0086f78c10
trap_pfault() at trap_pfault+0x68b/frame 0xfffffe0086f78d50
trap() at trap+0xf4b/frame 0xfffffe0086f78f30
calltrap() at calltrap+0x8/frame 0xfffffe0086f78f30
--- trap 0xc, rip = 0x2af7c9, rsp = 0x8272c6f10, rbp = 0x8272c6f80 ---
KDB: enter: panic
[ thread pid 4794 tid 104676 ]
Stopped at      kdb_enter+0x6e: movq    $0,0x25bea17(%rip)
db> 
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b
es                        0x3b
fs                        0x13
gs                        0x1b
ss                        0x28
rax                       0x12
rcx         0xfffffe00033eee30
rdx                          0
rbx         0xffffffff827af400  .str.27
rsp         0xfffffe0086f78370
rbp         0xfffffe0086f78390
rsi                          0
rdi         0xffffffff816145d9  printf+0x149
r8                           0
r9                  0xffffffff
r10                    0x14cec
r11                        0x2
r12         0xfffffe0089cf7740
r13         0xfffffffffffffffd
r14         0xffffffff827af400  .str.27
r15                          0
rip         0xffffffff815fe77e  kdb_enter+0x6e
rflags                    0x46
kdb_enter+0x6e: movq    $0,0x25bea17(%rip)
db> show proc
Process 4794 (syz-executor) at 0xfffffe0089cd4ac0:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 3787 at 0xfffffe0084e28b00
 ABI: FreeBSD ELF64
 flag: 0x10000000  flag2: 0
 arguments: ./syz-executor exec
 reaper: 0xfffffe0008009040 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe0089cfb490
   (map 0xfffffe0089cfb490)
   (map.pmap 0xfffffe0089cfb530)
   (pmap 0xfffffe0089cfb5a0)
 threads: 1
104676                   Run     CPU 1                       syz-executor
db> serialport: VM disconnected.