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>