panic: Memory modified after free 0xfffff80016985ee0(112) val=1adc0de @ 0xfffff80016985f44

cpuid = 0
time = 1592072366
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0025a6d470
vpanic() at vpanic+0x1c7/frame 0xfffffe0025a6d4d0
panic() at panic+0x43/frame 0xfffffe0025a6d530
trash_ctor() at trash_ctor+0xa8/frame 0xfffffe0025a6d570
item_ctor() at item_ctor+0x1d1/frame 0xfffffe0025a6d5d0
sctp_lower_sosend() at sctp_lower_sosend+0x4840/frame 0xfffffe0025a6d7b0
sctp_sosend() at sctp_sosend+0x501/frame 0xfffffe0025a6d8e0
sosend() at sosend+0xc6/frame 0xfffffe0025a6d950
kern_sendit() at kern_sendit+0x33d/frame 0xfffffe0025a6da00
sendit() at sendit+0x224/frame 0xfffffe0025a6da60
sys_sendto() at sys_sendto+0x5c/frame 0xfffffe0025a6dac0
amd64_syscall() at amd64_syscall+0x262/frame 0xfffffe0025a6dbf0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe0025a6dbf0
--- syscall (198, FreeBSD ELF64, nosys), rip = 0x28289a, rsp = 0x7fffdfffdf08, rbp = 0x7fffdfffdf70 ---
KDB: enter: panic
[ thread pid 1125 tid 100945 ]
Stopped at      kdb_enter+0x67: movq    $0,0x14a5446(%rip)
db> 
db>