(kgdb) frame 10
#10 0xffffffff80648e32 in michael_mic (ctx=Variable "ctx" is not available.
) at /usr/src/sys/net80211/ieee80211_crypto_tkip.c:896
896             KASSERT(data_len <= space,


(kgdb) list
891             /*
892              * Catch degenerate cases like mbuf[4*n+1 bytes] followed by
893              * mbuf[2 bytes].  I don't believe these should happen; if they
894              * do then we'll need more involved logic.
895              */
896             KASSERT(data_len <= space,
897                 ("not enough data, data_len %zu space %u\n", data_len,
space));
898
899             /* Last block and padding (0x5a, 4..7 x 0) */
900             switch (data_len) {


(kgdb) frame 11
#11 0xffffffff80648eee in tkip_enmic (k=Variable "k" is not available.
) at /usr/src/sys/net80211/ieee80211_crypto_tkip.c:228
228                     michael_mic(ctx, k->wk_txmic,


(kgdb) list
223
224                     vap->iv_stats.is_crypto_tkipenmic++;
225
226                     hdrlen = ieee80211_hdrspace(ic, wh);
227
228                     michael_mic(ctx, k->wk_txmic,
229                             m, hdrlen, m->m_pkthdr.len - hdrlen, mic);
230                     return m_append(m, tkip.ic_miclen, mic);
231             }
232             return 1;


(kgdb) p *m
$2 = {m_hdr = {mh_next = 0xffffff00a11a5700, mh_nextpkt = 0x0, mh_data =
0xffffff000168ab60 "\bA", mh_len = 84,
    mh_flags = 4194306, mh_type = 1, pad = "­Þ-Þ}, M_dat = {MH = {MH_pkthdr =
{rcvif = 0xffffff80008a7000,
        header = 0x0, len = 1486, flowid = 990848940, csum_flags = 0, csum_data
= 16, tso_segsz = 17742, PH_vt = {
          vt_vtag = 0, vt_nrecs = 0}, tags = {slh_first = 0x0}}, MH_dat =
{MH_ext = {
          ext_buf = 0xdeadc0dedeadc0de <Address 0xdeadc0dedeadc0de out of
bounds>, ext_free = 0x622f1b0000004108,
          ext_arg1 = 0xc64a3771b00a6a1, ext_arg2 = 0x54e0a6a1622f1b00, ext_size
= 240298,
          ref_cnt = 0x404945ae050045, ext_type = -438237632},
        MH_databuf =
"Þ­Þ-ÞbA\000\000\000\033/b¡¦\000\033w£d\f\000\033/b¡¦àª\003\000\000\000\b\000E\000\005®EI@\000@\006á¨\001\005ʾ\201¯V%ÈÃ233\vsjMf\000\200\020\b\vmÆ000\000\001\001\b\n\000\n-\2254kØÞ­Þ-Þ-Þ-Þ-Þ-Þ-Þ-Þ-Þ-Þ-Þ-Þ-Þ-Þ-Þ-Þ-Þ-Þ-Þ}},
    M_databuf =
"\000p\212\000\200ÿÿÿ\000\000\000\000\000\000\000\000Î005\000\000¬'\017;\000\000\000\000\020\000\000\000NE\000\000Þ­Þ000\000\000\000\000\000\000\000Þ­Þ-ÞbA\000\000\000\033/b¡¦\000\033w£d\f\000\033/b¡¦àª\003\000\000\000\b\000E\000\005®EI@\000@\006á¨\001\005ʾ\201¯V%ÈÃ233\vsjMf\000\200\020\b\vmÆ000\000\001\001\b\n\000\n-\2254kØÞ­Þ-Þ-Þ-Þ-Þ-Þ-Þ-Þ-Þ-Þ-Þ-Þ-Þ-Þ-Þ...}}