panic: scsi_action: ccb 0xffffffff831e9490, func_code 0x6 should not be allocated from UMA zone

cpuid = 0
time = 1
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xffffffff831e9340
vpanic() at vpanic+0x1c7/frame 0xffffffff831e93a0
panic() at panic+0x43/frame 0xffffffff831e9400
scsi_dev_async() at scsi_dev_async/frame 0xffffffff831e9440
vtscsi_attach() at vtscsi_attach+0xaf2/frame 0xffffffff831e95a0
device_attach() at device_attach+0x478/frame 0xffffffff831e95e0
vtpci_legacy_probe_and_attach_child() at vtpci_legacy_probe_and_attach_child+0xe7/frame 0xffffffff831e9620
vtpci_legacy_attach() at vtpci_legacy_attach+0x2fd/frame 0xffffffff831e9690
device_attach() at device_attach+0x478/frame 0xffffffff831e96d0
device_probe_and_attach() aserialport: Connected to syzkaller.us-central1-c.ci-freebsd-main-test-1 port 1 (session ID: 6965ffcee1e2f8f7f330b3601b8e3e67d52b99b99f48ac9b1c8b4af552e47d31, active connections: 1).
t device_probe_and_attach+0xb0/frame 0xffffffff831e9710
bus_generic_attach() at bus_generic_attach+0x28/frame 0xffffffff831e9730
pci_attach() at pci_attach+0x13c/frame 0xffffffff831e9770
acpi_pci_attach() at acpi_pci_attach+0x21/frame 0xffffffff831e97c0
device_attach() at device_attach+0x478/frame 0xffffffff831e9800
device_probe_and_attach() at device_probe_and_attach+0xb0/frame 0xffffffff831e9840
bus_generic_attach() at bus_generic_attach+0x28/frame 0xffffffff831e9860
acpi_pcib_acpi_attach() at acpi_pcib_acpi_attach+0x5c9/frame 0xffffffff831e98d0
device_attach() at device_attach+0x478/frame 0xffffffff831e9910
device_probe_and_attach() at device_probe_and_attach+0xb0/frame 0xffffffff831e9950
bus_generic_attach() at bus_generic_attach+0x28/frame 0xffffffff831e9970
acpi_attach() at acpi_attach+0x13ba/frame 0xffffffff831e9a80
device_attach() at device_attach+0x478/frame 0xffffffff831e9ac0
device_probe_and_attach() at device_probe_and_attach+0xb0/frame 0xffffffff831e9b00
bus_generic_attach() at bus_generic_attach+0x28/frame 0xffffffff831e9b20
device_attach() at device_attach+0x478/frame 0xffffffff831e9b60
device_probe_and_attach() at device_probe_and_attach+0xb0/frame 0xffffffff831e9ba0
bus_generic_new_pass() at bus_generic_new_pass+0x15e/frame 0xffffffff831e9be0
bus_set_pass() at bus_set_pass+0xe2/frame 0xffffffff831e9c20
configure() at configure+0x10/frame 0xffffffff831e9c40
mi_startup() at mi_startup+0x3ac/frame 0xffffffff831e9cb0
btext() at btext+0x2c
KDB: enter: panic
[ thread pid 0 tid 100000 ]
Stopped at      kdb_enter+0x67: movq    $0,0x163971e(%rip)
db>