panic: pmap_san_enter_alloc_4k: no memory to grow shadow map
cpuid = 1
time = 1666702082
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe00a679bdd0
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe00a679bf30
vpanic() at vpanic+0x254/frame 0xfffffe00a679c010
panic() at panic+0xb5/frame 0xfffffe00a679c0d0
pmap_san_enter_alloc_4k() at pmap_san_enter_alloc_4k+0x4b/frame 0xfffffe00a679c0f0
pmap_san_enter() at pmap_san_enter+0x351/frame 0xfffffe00a679c140
kasan_shadow_map() at kasan_shadow_map+0x98/frame 0xfffffe00a679c160
pmap_growkernel() at pmap_growkernel+0xca/frame 0xfffffe00a679c1b0
vm_map_insert() at vm_map_insert+0x678/frame 0xfffffe00a679c310
vm_map_find() at vm_map_find+0x92d/frame 0xfffffe00a679c3f0
kva_import() at kva_import+0xd4/frame 0xfffffe00a679c4d0
vmem_try_fetch() at vmem_try_fetch+0x21f/frame 0xfffffe00a679c5b0
vmem_xalloc() at vmem_xalloc+0x52f/frame 0xfffffe00a679c670
vmem_alloc() at vmem_alloc+0x106/frame 0xfffffe00a679c6d0
kva_alloc() at kva_alloc+0x9c/frame 0xfffffe00a679c770
vm_thread_stack_create() at vm_thread_stack_create+0xde/frame 0xfffffe00a679c960
kstack_import() at kstack_import+0x8b/frame 0xfffffe00a679c9b0
cache_alloc() at cache_alloc+0x869/frame 0xfffffe00a679ca70
cache_alloc_retry() at cache_alloc_retry+0x33/frame 0xfffffe00a679cac0
vm_thread_new() at vm_thread_new+0x97/frame 0xfffffe00a679caf0
thread_alloc() at thread_alloc+0x72/frame 0xfffffe00a679cb30
fork1() at fork1+0x5dc/frame 0xfffffe00a679cc30
sys_fork() at sys_fork+0xe3/frame 0xfffffe00a679cd30
amd64_syscall() at amd64_syscall+0x410/frame 0xfffffe00a679cf30
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe00a679cf30
--- syscall (198, FreeBSD ELF64, nosys), rip = 0x28e5ca, rsp = 0x82ed44f08, rbp = 0x82ed44f70 ---
KDB: enter: panic
[ thread pid 10325 tid 110461 ]
Stopped at      kdb_enter+0x6b: movq    $0,0x2765f7a(%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         0xffffffff81732616  printf+0xf6
rdx                        0x1
rbx                          0
rsp         0xfffffe00a679bf10
rbp         0xfffffe00a679bf30
rsi                          0
rdi         0xffffffff81732678  printf+0x158
r8                           0
r9                  0xffffffff
r10                          0
r11         0xfffffe00a69e9360
r12                          0
r13         0xfffffe00a69e8e40
r14         0xffffffff82b7ad80  .str.26
r15         0xffffffff82b7ad80  .str.26
rip         0xffffffff8172221b  kdb_enter+0x6b
rflags                    0x46
kdb_enter+0x6b: movq    $0,0x2765f7a(%rip)
db> show proc
Process 10325 (syz-executor.2) at 0xfffffe00a6992558:
 state: NORMAL
 uid: 0  gids: 0, 0, 0, 0
 parent: pid 9019 at 0xfffffe009fd4f008
 ABI: FreeBSD ELF64
 flag: 0x10000100  flag2: 0
 arguments: /root/syz-executor.2 exec
 reaper: 0xfffffe00541d0010 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe00a697ca00
   (map 0xfffffe00a697ca00)
   (map.pmap 0xfffffe00a697cac0)
   (pmap 0xfffffe00a697cb30)
 threads: 1
110461                   Run     CPU 1                       syz-executor.2
db> serialport: VM disconnected.