panic: Most recently used by temp

cpuid = 1
time = 1557789722
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0020de3220
vpanic() at vpanic+0x1e0/frame 0xfffffe0020de3280
panic() at panic+0x43/frame 0xfffffe0020de32e0
mtrash_ctor() at mtrash_ctor+0xed/frame 0xfffffe0020de3320
uma_zalloc_arg() at uma_zalloc_arg+0x1036/frame 0xfffffe0020de33d0
malloc() at malloc+0xe1/frame 0xfffffe0020de3440
elf64_load_file() at elf64_load_file+0x6d/frame 0xfffffe0020de34b0
exec_elf64_imgact() at exec_elf64_imgact+0x1aa2/frame 0xfffffe0020de35b0
kern_execve() at kern_execve+0x7d8/frame 0xfffffe0020de3900
sys_execve() at sys_execve+0x79/frame 0xfffffe0020de3980
amd64_syscall() at amd64_syscall+0x436/frame 0xfffffe0020de3ab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe0020de3ab0
--- syscall (59, FreeBSD ELF64, sys_execve), rip = 0x44e5ca, rsp = 0x7fffffffe8c8, rbp = 0x7fffffffe9c0 ---
KDB: enter: panic
[ thread pid 1652 tid 100122 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why