[erlang-bugs] Erlang vm beam.smp crash

[刘小飞]

I use http://www.erlang.org/download/otp_src_17.0.tar.gz to build the erlang.

BIF_RETTYPE port_get_data_1(BIF_ALIST_1)
{
    /*
     * This is not a signal. See comment above.
     */
    Eterm res;
    erts_aint_t data;
    Port* prt;

    prt = data_lookup_port(BIF_P, BIF_ARG_1);
    if (!prt)
        BIF_ERROR(BIF_P, BADARG);

    data = erts_smp_atomic_read_ddrb(&prt->data);
    if (!data)
        BIF_ERROR(BIF_P, BADARG);      //I add the two lines to correct it.

    if ((data & 0x3) != 0) {
    res = (Eterm) (UWord) data;
    ASSERT(is_immed(res));
    }
    else {
    ErtsPortDataHeap *pdhp = (ErtsPortDataHeap *) data;
    Eterm *hp = HAlloc(BIF_P, pdhp->hsize);
    res = copy_struct(pdhp->data, pdhp->hsize, &hp, &MSO(BIF_P));
    }

    BIF_RET(res);
}


(gdb) bt full
#0  0x0000000000514524 in port_get_data_1 (A__p=0x7f4bc0d66488, BIF__ARGS=<value optimized out>) at beam/erl_bif_port.c:591
        pdhp = 0x0
        hp = <value optimized out>
        data = 0
#1  0x000000000054d517 in process_main () at beam/beam_emu.c:2787
        bf = 0x514490 <port_get_data_1>
        result = 1688368833101607
        init_done = 1
        c_p = 0x7f4bc0d66488
        reds_used = 178536832
        x0 = 1688368833101607
        reg = 0x7f4c0aa44180
        HTOP = 0x7f4bc036d350
        E = 0x7f4bc0370b18
        I = 0x7f4bfb5c7af8
        FCALLS = 1984
        tmp_arg1 = 139963324058344
        tmp_arg2 = 15
        tmp_big = {139964436718400, 5662828}
        freg = 0x7f4c0aa461c0
        neg_o_reds = 0
        arith_func = 0
        opcodes = {0x54c14a, 0x54b78e, 0x54c06a, 0x54c0eb, 0x54c2f8, 0x54cee5, 0x54cb67, 0x54e173, 0x54ec5c, 0x54ca4d, 0x54ca43, 0x54ca23, 0x54908b, 0x54c5fe, 0x54d5c8, 0x54d605, 0x54d5f6, 0x54957d, 0x549451, 0x54d366, 0x54d26d,
          0x54d29b, 0x54d063, 0x54d092, 0x54d245, 0x54d223, 0x54d176, 0x54d4bb, 0x54ca52, 0x54caa1, 0x54ba31, 0x54ba07, 0x54ba26, 0x54bf45, 0x54bf66, 0x54ccfb, 0x54c949, 0x546667, 0x54ca9c, 0x54674e, 0x546771, 0x54667a, 0x5466ab,
          0x5466dc, 0x546715, 0x5464cd, 0x54eaa8, 0x54e14e, 0x54ea52, 0x54eb16, 0x546795, 0x5467b6, 0x5467d8, 0x5467f5, 0x546823, 0x546852, 0x546870, 0x54689f, 0x5468cf, 0x5468fc, 0x54692a, 0x546957, 0x54699e, 0x5469e6, 0x546a14,
          0x546a5c, 0x546aa5, 0x546ad3, 0x546b02, 0x546b30, 0x546b78, 0x546bc1, 0x546bf0, 0x546c39, 0x54d3bf, 0x54b2ce, 0x54b39e, 0x54b3c9, 0x54e468, 0x54b3bf, 0x54b5f8, 0x54e1d9, 0x54b046, 0x54b0ac, 0x54b65f, 0x54ce89, 0x54b47a,
          0x54d44b, 0x54e23b, 0x54b4bd, 0x5493b7, 0x54947d, 0x54ddf7, 0x54df22, 0x54e011, 0x54d8dd, 0x54d60f, 0x54d694, 0x54d965, 0x54d9db, 0x54da59, 0x54db67, 0x54d718, 0x54d348, 0x54d2c2, 0x54d340, 0x54b103, 0x54d34d, 0x54d1a0,
          0x54d8d6, 0x54d857, 0x54d8b7, 0x54d6ad, 0x54d57d, 0x54d5ba, 0x54d810, 0x54d849, 0x549430, 0x54bbbe, 0x54e2f0, 0x54d38c, 0x54e331, 0x54e345, 0x54bab9, 0x54e357, 0x549185, 0x54e3c9, 0x54e3e9, 0x5494f1, 0x549306, 0x549515,
          0x54d6a5, 0x54bbc9, 0x54953a, 0x54d0ee, 0x54d0b2, 0x54df04, 0x54ddd1, 0x54bc6c, 0x54dede, 0x54dd60, 0x54dc7d, 0x54dcef, 0x54af53, 0x54afcc, 0x54e7ca, 0x54e7ff, 0x54e294, 0x54e2be, 0x54b6ca, 0x54d355, 0x54d211, 0x54cf47,
          0x54cf9a, 0x54d007, 0x54d12e, 0x54ec20, 0x54b559, 0x54b507, 0x546539, 0x54656a, 0x5465a3, 0x5465e0, 0x54e0ea, 0x54e400, 0x546504, 0x5464e2, 0x54ea08, 0x54be99, 0x54c53b, 0x54c5d7, 0x54e774, 0x54bee0, 0x54bf28, 0x54bf36,
          0x5464cd, 0x54b222, 0x546d1f, 0x546d3e, 0x546d81, 0x546da0, 0x546dd2, 0x546e29, 0x546e49, 0x546e7c, 0x546d04, 0x546d5e, 0x546e05, 0x546ca2, 0x546cbd, 0x546ce0, 0x546c83, 0x54e83c, 0x54b1cc, 0x54b278, 0x54eb5b, 0x54ba46,
          0x54c683, 0x54c726, 0x54c7b4...}
        temp_bits = 139964436760704
        pt_arity = 139963334550664
        start_time = 0
        start_time_i = 0x0
        EBS = 0x7f4c0288c898
#2  0x00000000004a081b in sched_thread_func (vesdp=0x7f4c0288c880) at beam/erl_process.c:7665
        callbacks = {arg = 0x7f4c02882380, wakeup = 0x4a21b0 <thr_prgr_wakeup>, prepare_wait = 0x49e370 <thr_prgr_prep_wait>, wait = 0x49f6f0 <thr_prgr_wait>, finalize_wait = 0x49e350 <thr_prgr_fin_wait>}
        esdp = 0x7f4c0288c880
        no = 2
#3  0x00000000005df676 in thr_wrapper (vtwd=<value optimized out>) at pthread/ethread.c:110
        result = <value optimized out>
        res = 0x7fffd82d4b90
        twd = <value optimized out>
        thr_func = 0x4a0700 <sched_thread_func>
        arg = 0x7f4c0288c880
        tsep = 0x7f4c0a2800a0
#4  0x00000037d10079d1 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#5  0x00000037d0ce8b6d in ?? ()
No symbol table info available.
#6  0x0000000000000000 in ?? ()
No symbol table info available.

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