panic: pmap_san_enter_alloc_4k: no memory to grow shadow map cpuid = 1 time = 13 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0057978730 kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0057978890 vpanic() at vpanic+0x257/frame 0xfffffe0057978a50 panic() at panic+0xb5/frame 0xfffffe0057978b10 pmap_san_enter_alloc_4k() at pmap_san_enter_alloc_4k+0x4b/frame 0xfffffe0057978b30 pmap_san_enter() at pmap_san_enter+0x356/frame 0xfffffe0057978b70 kasan_shadow_map() at kasan_shadow_map+0x98/frame 0xfffffe0057978b90 pmap_growkernel() at pmap_growkernel+0xd7/frame 0xfffffe0057978bf0 vm_map_insert1() at vm_map_insert1+0x67a/frame 0xfffffe0057978d30 vm_map_find_locked() at vm_map_find_locked+0xa12/frame 0xfffffe0057978ea0 vm_map_find() at vm_map_find+0xc7/frame 0xfffffe0057978f10 kva_import() at kva_import+0xd4/frame 0xfffffe0057978ff0 vmem_try_fetch() at vmem_try_fetch+0x21e/frame 0xfffffe00579790e0 vmem_xalloc() at vmem_xalloc+0x538/frame 0xfffffe0057979180 kva_import_domain() at kva_import_domain+0x5f/frame 0xfffffe00579791d0 vmem_try_fetch() at vmem_try_fetch+0x21e/frame 0xfffffe00579792c0 vmem_xalloc() at vmem_xalloc+0x538/frame 0xfffffe0057979360 vm_thread_kstack_arena_import() at vm_thread_kstack_arena_import+0x9e/frame 0xfffffe00579793d0 vmem_try_fetch() at vmem_try_fetch+0x21e/frame 0xfffffe00579794b0 vmem_xalloc() at vmem_xalloc+0x538/frame 0xfffffe0057979550 vmem_alloc() at vmem_alloc+0xfe/frame 0xfffffe00579795b0 vm_thread_stack_create() at vm_thread_stack_create+0x2a5/frame 0xfffffe00579798e0 kstack_import() at kstack_import+0x9b/frame 0xfffffe0057979930 cache_alloc() at cache_alloc+0x7e5/frame 0xfffffe0057979a00 cache_alloc_retry() at cache_alloc_retry+0x35/frame 0xfffffe0057979a40 vm_thread_new() at vm_thread_new+0x91/frame 0xfffffe0057979ab0 thread_alloc() at thread_alloc+0x72/frame 0xfffffe0057979af0 fork1() at fork1+0xad6/frame 0xfffffe0057979c10 sys_fork() at sys_fork+0xe3/frame 0xfffffe0057979d10 amd64_syscall() at amd64_syscall+0x4af/frame 0xfffffe0057979f30 fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe0057979f30 --- syscall (198, FreeBSD ELF64, __syscall), rip = 0x3a197a, rsp = 0x8262a7f08, rbp = 0x8262a7f80 --- KDB: enter: panic [ thread pid 1463 tid 101092 ] Stopped at kdb_enter+0x6e: movq $0,0x25bea57(%rip) db> db> set $lines = 0 db> set $maxwidth = 0 db> show registers cs 0x20 ds 0x3b es 0x3b fs 0x13 gs 0x1b ss 0 rax 0x12 rcx 0xfffffe00033eee30 rdx 0 rbx 0xffffffff827af640 .str.27 rsp 0xfffffe0057978870 rbp 0xfffffe0057978890 rsi 0 rdi 0xffffffff81614599 printf+0x149 r8 0 r9 0xffffffff r10 0 r11 0x3f r12 0xfffffe008be0d000 r13 0xfffffffffffffffd r14 0xffffffff827af640 .str.27 r15 0 rip 0xffffffff815fe73e kdb_enter+0x6e rflags 0x46 kdb_enter+0x6e: movq $0,0x25bea57(%rip) db> show proc Process 1463 (syz-executor) at 0xfffffe008be04580: state: NORMAL uid: 0 gids: 0, 0, 5 parent: pid 1401 at 0xfffffe008be05b00 ABI: FreeBSD ELF64 flag: 0x10000000 flag2: 0 arguments: ./syz-executor exec reaper: 0xfffffe0008009040 reapsubtree: 1 sigparent: 20 vmspace: 0xfffffe008be07490 (map 0xfffffe008be07490) (map.pmap 0xfffffe008be07530) (pmap 0xfffffe008be075a0) threads: 1 101092 Run CPU 1 syz-executor db> ps pid ppid pgrp uid state wmesg wchan cmd 4678 4678 0 0 N syz-executor 4677 4677 0 0 N syz-executor 4676 4676 0 0 N syz-executor 4675 4675 0 0 N syz-executor 4674 4674 0 0 N syz-executor 4673 4673 0 0 N syz-executor 4672 4672 0 0 N syz-executor 4671 4671 0 0 N syz-executor 4670 4670 0 0 N syz-executor 4669 4669 0 0 N syz-executor 4668 4668 0 0 N syz-executor 4667 4667 0 0 N syz-executor 4666 4666 0 0 N syz-executor 4665 4665 0 0 N syz-executor 4664 4664 0 0 N syz-executor 4663 4663 0 0 N syz-executor 4662 4662 0 0 N syz-executor 4661 4661 0 0 N syz-executor 4660 4660 0 0 N syz-executor 4659 4659 0 0 N syz-executor 4658 4658 0 0 N syz-executor 4657 4657 0 0 N syz-executor 4656 4656 0 0 N syz-executor 4655 4655 0 0 N syz-executor 4654 4654 0 0 N syz-executor 4653 4653 0 0 N syz-executor 4652 4652 0 0 N syz-executor 4651 4651 0 0 N syz-executor 4650 4650 0 0 N syz-executor 4649 4649 0 0 N syz-executor 4648 4648 0 0 N syz-executor 4647 4647 0 0 N syz-executor 4646 4646 0 0 N syz-executor 4645 4645 0 0 N syz-executor 4644 4644 0 0 N syz-executor 4643 4643 0 0 N syz-executor 4642 4642 0 0 N syz-executor 4641 4641 0 0 N syz-executor 4640 4640 0 0 N syz-executor 4639 4639 0 0 N syz-executor 4638 4638 0 0 N syz-executor 4637 4637 0 0 N syz-executor 4636 4636 0 0 N syz-executor 4635 4635 0 0 N syz-executor 4634 4634 0 0 N syz-executor 4633 4633 0 0 N syz-executor 4632 4632 0 0 N syz-executor 4631 4631 0 0 N syz-executor 4630 4630 0 0 N syz-executor 4629 4629 0 0 N syz-executor 4628 4628 0 0 N syz-executor 4627 4627 0 0 N syz-executor 4626 4626 0 0 N syz-executor 4625 4625 0 0 N syz-executor 4624 4624 0 0 N syz-executor 4623 4623 0 0 N syz-executor 4622 4622 0 0 N syz-executor 4621 4621 0 0 N syz-executor 4620 4620 0 0 N syz-executor 4619 4619 0 0 N syz-executor 4618 4618 0 0 N syz-executor 4617 4617 0 0 N syz-executor 4616 4616 0 0 N syz-executor 4615 4615 0 0 N syz-executor 4614 4614 0 0 N syz-executor 4613 4613 0 0 N syz-executor 4612 4612 0 0 N syz-executor 4611 4611 0 0 N syz-executor 4610 4610 0 0 N syz-executor 4609 3498 764 0 N syz-executor 4608 2039 764 0 N syz-executor 4607 3466 764 0 N syz-executor 4606 4112 764 0 N syz-executor 4605 2036 764 0 N syz-executor 4604 2032 764 0 N syz-executor 4603 2033 764 0 N syz-executor 4602 2023 764 0 N syz-executor 4601 2031 764 0 N syz-executor 4600 2021 764 0 N syz-executor 4599 4599 0 0 N syz-executor 4598 4598 0 0 N syz-executor 4597 4597 0 0 N syz-executor 4596 2315 764 0 N syz-executor 4595 2017 764 0 N syz-executor 4594 2016 764 0 N syz-executor 4593 4278 764 0 N syz-executor 4592 4276 764 0 N syz-executor 4591 2015 764 0 N syz-executor 4590 2014 764 0 R syz-executor 4589 4589 0 0 N syz-executor 4588 1994 764 0 R syz-executor 4587 2013 764 0 R syz-executor 4586 2012 764 0 R syz-executor 4585 1995 764 0 R syz-executor 4584 2011 764 0 R syz-executor 4583 2005 764 0 R syz-executor 4582 1991 764 0 R syz-executor 4581 2010 764 0 R syz-executor 4580 2008 764 0 R syz-executor 4579 2005 764 0 R syz-executor 4578 4204 764 0 R syz-executor 4577 1991 764 0 R syz-executor 4576 2002 764 0 R syz-executor 4575 4157 764 0 R syz-executor 4574 1996 764 0 R syz-executor 4573 1999 764 0 R syz-executor 4572 1998 764 0 R syz-executor 4571 1997 764 0 R syz-executor 4570 1996 764 0 R syz-executor 4569 2940 764 0 R syz-executor 4568 1993 764 0 R syz-executor 4567 1992 764 0 R syz-executor 4566 1991 764 0 R syz-executor 4565 4243 764 0 R syz-executor 4564 1984 764 0 R syz-executor 4563 2148 764 0 R syz-executor 4562 1982 764 0 R syz-executor 4561 1981 764 0 R syz-executor 4560 4257 764 0 R syz-executor 4559 3989 764 0 R syz-executor 4558 1979 764 0 R syz-executor 4557 1973 764 0 R syz-executor 4556 3989 764 0 R syz-executor 4555 1978 764 0 R syz-executor 4554 1977 764 0 R syz-executor 4553 1974 764 0 R syz-executor 4552 1973 764 0 R syz-executor 4551 1901 764 0 R syz-executor 4550 1972 764 0 R syz-executor 4549 1901 764 0 R syz-executor 4548 4548 0 0 N syz-executor 4547 4547 0 0 N syz-executor 4546 4546 0 0 N syz-executor 4545 4545 0 0 N syz-executor 4544 4544 0 0 N syz-executor 4543 4543 0 0 N syz-executor 4542 4542 0 0 N syz-executor 4541 4541 0 0 N syz-executor 4540 4540 0 0 N syz-executor 4539 4539 0 0 N syz-executor 4538 4538 0 0 N syz-executor 4537 4537 0 0 N syz-executor 4536 4536 0 0 N syz-executor 4535 4535 0 0 N syz-executor 4534 4534 0 0 N syz-executor 4533 4533 0 0 N syz-executor 4532 4532 0 0 N syz-executor 4531 4531 0 0 N syz-executor 4530 4530 0 0 N syz-executor 4529 4529 0 0 N syz-executor 4528 4528 0 0 N syz-executor 4527 4527 0 0 N syz-executor 4526 4526 0 0 N syz-executor 4525 4525 0 0 N syz-executor 4524 4524 0 0 N syz-executor 4523 4523 0 0 N syz-executor 4522 4522 0 0 N syz-executor 4521 4521 0 0 N syz-executor 4520 4520 0 0 N syz-executor 4519 4519 0 0 N syz-executor 4518 4518 0 0 N syz-executor 4517 4517 0 0 N syz-executor 4516 4516 0 0 N syz-executor 4515 4515 0 0 N syz-executor 4514 4514 0 0 N syz-executor 4513 4513 0 0 N syz-executor 4512 4512 0 0 N syz-executor 4511 4511 0 0 N syz-executor 4510 4510 0 0 N syz-executor 4509 4509 0 0 N syz-executor 4508 4508 0 0 N syz-executor 4507 4507 0 0 N syz-executor 4506 4506 0 0 N syz-executor 4505 4505 0 0 N syz-executor 4504 4504 0 0 N syz-executor 4503 4503 0 0 N syz-executor 4502 4502 0 0 N syz-executor 4501 4501 0 0 N syz-executor 4500 4500 0 0 N syz-executor 4499 4499 0 0 N syz-executor 4498 4498 0 0 N syz-executor 4497 4497 0 0 N syz-executor 4496 4496 0 0 N syz-executor 4495 4495 0 0 N syz-executor 4494 4494 0 0 N syz-executor 4493 4493 0 0 N syz-executor 4492 4492 0 0 N syz-executor 4491 4491 0 0 N syz-executor 4490 1810 764 0 R syz-executor 4489 1803 764 0 R syz-executor 4488 3318 764 0 R syz-executor 4487 1801 764 0 R syz-executor 4486 1799 764 0 R syz-executor 4485 1798 764 0 R syz-executor 4484 4484 0 0 N syz-executor 4483 4483 0 0 N syz-executor 4482 4482 0 0 N syz-executor 4481 4481 0 0 N syz-executor 4480 4480 0 0 N syz-executor 4479 4479 0 0 N syz-executor 4478 4478 0 0 N syz-executor 4477 4477 0 0 N syz-executor 4476 4476 0 0 N syz-executor 4475 4475 0 0 N syz-executor 4474 4474 0 0 N syz-executor 4473 4473 0 0 N syz-executor 4472 4472 0 0 N syz-executor 4471 4471 0 0 N syz-executor 4470 4470 0 0 N syz-executor 4469 4469 0 0 N syz-executor 4468 4468 0 0 N syz-executor 4467 4467 0 0 N syz-executor 4466 4466 0 0 N syz-executor 4465 4465 0 0 N syz-executor 4464 4464 0 0 N syz-executor 4463 4463 0 0 N syz-executor 4462 4462 0 0 N syz-executor 4461 4461 0 0 N syz-executor 4460 4460 0 0 N syz-executor 4459 4459 0 0 N syz-executor 4458 4458 0 0 N syz-executor 4457 4457 0 0 N syz-executor 4456 4456 0 0 N syz-executor 4455 4455 0 0 N syz-executor 4454 4454 0 0 N syz-executor 4453 4453 0 0 N syz-executor 4452 4452 0 0 N syz-executor 4451 4451 0 0 N syz-executor 4450 4450 0 0 N syz-executor 4449 4449 0 0 N syz-executor 4448 4448 0 0 N syz-executor 4447 4447 0 0 N syz-executor 4446 4446 0 0 N syz-executor 4445 4445 0 0 N syz-executor 4444 4444 0 0 N syz-executor 4443 4443 0 0 N syz-executor 4442 4442 0 0 N syz-executor 4441 4441 0 0 N syz-executor 4440 4440 0 0 N syz-executor 4439 4439 0 0 N syz-executor 4438 4438 0 0 N syz-executor 4437 4437 0 0 N syz-executor 4436 4436 0 0 N syz-executor 4435 4435 0 0 N syz-executor 4434 4434 0 0 N syz-executor 4433 4433 0 0 N syz-executor 4432 4432 0 0 N syz-executor 4431 4431 0 0 N syz-executor 4430 4430 0 0 N syz-executor 4429 4429 0 0 N syz-executor 4428 4428 0 0 N syz-executor 4427 4427 0 0 N syz-executor 4426 4426 0 0 N syz-executor 4425 4425 0 0 N syz-executor 4424 4424 0 0 N syz-executor 4423 4423 0 0 N syz-executor 4422 3228 764 0 R syz-executor 4421 1516 764 0 R syz-executor 4420 1510 764 0 R syz-executor 4419 1508 764 0 R syz-executor 4418 1502 764 0 R syz-executor 4417 2917 764 0 R syz-executor 4416 1498 764 0 R syz-executor 4415 1494 764 0 R syz-executor 4414 1488 764 0 R syz-executor 4413 1486 764 0 R syz-executor 4412 1479 764 0 R syz-executor 4411 2633 764 0 R syz-executor 4410 1474 764 0 R syz-executor 4409 2212 764 0 R syz-executor 4408 3764 764 0 R syz-executor 4407 1473 764 0 R syz-executor 4406 1540 764 0 R syz-executor 4405 1442 764 0 R syz-executor 4404 1472 764 0 R syz-executor 4403 1471 764 0 R syz-executor 4402 2537 764 0 D pfault 0xffffffff83007480 syz-executor 4401 1468 764 0 R syz-executor 4400 1470 764 0 R syz-executor 4399 1467 764 0 R syz-executor 4398 1462 764 0 R syz-executor 4397 2537 764 0 R syz-executor 4396 1466 764 0 R syz-executor 4395 1464 764 0 R syz-executor 4394 1463 764 0 R syz-executor 4393 1460 764 0 R syz-executor 4392 1457 764 0 R syz-executor 4391 1459 764 0 R syz-executor 4390 2537 764 0 R syz-executor 4389 1458 764 0 R syz-executor 4388 2456 764 0 R syz-executor 4387 2456 764 0 R syz-executor 4386 1456 764 0 R syz-executor 4385 1443 764 0 R syz-executor 4384 1752 764 0 R syz-executor 4383 1453 764 0 R syz-executor 4382 4382 0 0 N syz-executor 4381 4381 0 0 N syz-executor 4380 1446 764 0 R syz-executor 4379 1449 764 0 R syz-executor 4378 3116 764 0 R syz-executor 4377 1444 764 0 R syz-executor 4376 2468 764 0 R syz-executor 4375 1440 764 0 R syz-executor 4374 2506 764 0 R syz-executor 4373 1439 764 0 R syz-executor 4372 1437 764 0 R syz-executor 4371 273serialport: VM disconnected.