backtrace

#0  0x4000065c in __muldi3 ()
#1  0x402714e1 in mpi_mul_hlp (i=i@entry=64, s=0x3fff31b4, d=0x3fff59d0, d@entry=0x3fff5994, b=b@entry=3682776023) at bignum.c:1139
#2  0x402711ae in mpi_montmul (A=A@entry=0x3ffff84c, B=B@entry=0x3ffff84c, N=N@entry=0x3ffefc5c, mm=mm@entry=1479185483, T=T@entry=0x3ffff798) at bignum.c:1574
#3  0x402600c0 in mbedtls_mpi_exp_mod (X=X@entry=0x3ffff84c, A=<optimized out>, A@entry=0x3ffff864, E=E@entry=0x3ffff810, N=N@entry=0x3ffefc5c, _RR=_RR@entry=0x3ffefca4) at bignum.c:1762
#4  0x402630a4 in mbedtls_rsa_private (ctx=0x3ffefc24, f_rng=0x40281c68 <mg_ssl_if_mbed_random>, p_rng=0x3ffeff0c, input=<optimized out>, output=output@entry=0x3ffff8b0 "\264\004\377?\002") at rsa.c:505
#5  0x40263603 in mbedtls_rsa_rsaes_pkcs1_v15_decrypt (ctx=<optimized out>, f_rng=<optimized out>, p_rng=<optimized out>, mode=1, olen=0x3ffffda0, input=<optimized out>,
    output=output@entry=0x3ffffd40 "@\315\030\031\310\262\027\065\022\353\306;\b\a\270\023%\364\063I\220?a\334\016H&\224\247I&\374\303\376\257\262M\263Qa\024", output_max_len=output_max_len@entry=48)
    at rsa.c:944
#6  0x40262d91 in mbedtls_rsa_pkcs1_decrypt (ctx=<optimized out>, f_rng=f_rng@entry=0x40281c68 <mg_ssl_if_mbed_random>, p_rng=p_rng@entry=0x3ffeff0c, mode=mode@entry=1, olen=<optimized out>,
    input=<optimized out>, output=0x3ffffd40 "@\315\030\031\310\262\027\065\022\353\306;\b\a\270\023%\364\063I\220?a\334\016H&\224\247I&\374\303\376\257\262M\263Qa\024", output_max_len=48) at rsa.c:1029
#7  0x40272480 in rsa_decrypt_wrap (ctx=<optimized out>, input=<optimized out>, ilen=<optimized out>, output=<optimized out>, olen=<optimized out>, osize=<optimized out>,
    f_rng=0x40281c68 <mg_ssl_if_mbed_random>, p_rng=0x3ffeff0c) at pk_wrap.c:123
#8  0x402617b0 in mbedtls_pk_decrypt (ctx=<optimized out>,
    input=input@entry=0x3fff35a7 "u)\330)U\220~2\273U\351v\034\207\256\311\a\330\006\365\215\330Q\177\177\003\221\231\364,c\346F\373\265\001\247\025\t\240\213\225G\344S}\316\067\065N\377\323h\236\370\340\352\334\345\236c&\242\207\306\353B\206w\220\243.F\276\264 \254Z\255(\025\305\310\237\321\032\215(Rv\251f`6\001BO\205\224X\030z\315\263\"4|\343\016\246\177\355\002\067\253\325\017%F\264|\363\337p\220\301\341\227{te\247\001\020\246\332\264d}:\365\350\203\034\003\246Y\\C+T\270Me\177)\327\064\066\323\364\304]\217\034\331@9 \310\270\254\230n\256y\202\247|96\206\033\021\257\t\220]\351\207z\253\221\217\035J\006\333,\321"..., ilen=ilen@entry=512, output=output@entry=0x3ffffd40 "@\315\030\031\310\262\027\065\022\353\306;\b\a\270\023%\364\063I\220?a\334\016H&\224\247I&\374\303\376\257\262M\263Qa\024",
    olen=olen@entry=0x3ffffda0, osize=osize@entry=48, f_rng=0x40281c68 <mg_ssl_if_mbed_random>, p_rng=0x3ffeff0c) at pk.c:287
#9  0x40273e8e in ssl_parse_encrypted_pms (ssl=ssl@entry=0x3fff26bc,
    p=0x3fff35a7 "u)\330)U\220~2\273U\351v\034\207\256\311\a\330\006\365\215\330Q\177\177\003\221\231\364,c\346F\373\265\001\247\025\t\240\213\225G\344S}\316\067\065N\377\323h\236\370\340\352\334\345\236c&\242\207\306\353B\206w\220\243.F\276\264 \254Z\255(\025\305\310\237\321\032\215(Rv\251f`6\001BO\205\224X\030z\315\263\"4|\343\016\246\177\355\002\067\253\325\017%F\264|\363\337p\220\301\341\227{te\247\001\020\246\332\264d}:\365\350\203\034\003\246Y\\C+T\270Me\177)\327\064\066\323\364\304]\217\034\331@9 \310\270\254\230n\256y\202\247|96\206\033\021\257\t\220]\351\207z\253\221\217\035J\006\333,\321"...,
    end=end@entry=0x3fff37a7 "\372\317\bk\b\234j\364\277n\024\246h\260$\201\365fK\243\302\245C\312\330\221\214\250\221G`\204\312\217\256?Fk\210\016\341k\307@\215>\241^~U\035\026\375\212SOL\021S\370\313\034\262\001\351ypU3h\032\361\356&\266\240\251u\330\064:`\252j*\335.\232\243\034\306\"\203\322?\372\246O1\307(\325\377\332\065\022\"\037f)\346\243\223\022\247\016\217\327'\355\274\377\203T\353\335w\366\356y\250\217\315\303\223\030.C\233\302\326<II\206\275\256\325\354\270\276\267]]\360\\\232ON\020\203\375\205\336\354go\327u\225\036\331]\333oFjV\274\214\347\005\026t\005!F\262*\222J`q\344\005\247\205^\260",
    pms_offset=pms_offset@entry=0) at ssl_srv.c:3318
#10 0x4026be72 in ssl_parse_client_key_exchange (ssl=0x3fff26bc) at ssl_srv.c:3631
#11 mbedtls_ssl_handshake_server_step (ssl=ssl@entry=0x3fff26bc) at ssl_srv.c:4036
#12 0x4026c225 in mbedtls_ssl_handshake_step (ssl=ssl@entry=0x3fff26bc) at ssl_tls.c:6492
#13 0x40268562 in mbedtls_ssl_handshake (ssl=0x3fff26bc) at ssl_tls.c:6512
#14 0x40281b2e in mg_ssl_if_handshake (nc=nc@entry=0x3fff18b4) at mongoose/src/ssl_if_mbedtls.c:230
#15 0x4027e6ae in mg_lwip_ssl_do_hs (nc=nc@entry=0x3fff18b4) at common/platforms/lwip/mg_lwip_ssl_if.c:36
#16 0x4027b77e in mg_lwip_handle_recv_tcp (nc=0x3fff18b4) at common/platforms/lwip/mg_lwip_net_if.c:182
#17 mg_ev_mgr_lwip_process_signals (mgr=mgr@entry=0x3ffeeed4 <s_mgr>) at common/platforms/lwip/mg_lwip_ev_mgr.c:75
#18 0x4027e2a5 in mg_lwip_if_poll (iface=<optimized out>, timeout_ms=<optimized out>) at common/platforms/lwip/mg_lwip_ev_mgr.c:125
#19 0x4027efd8 in mg_mgr_poll (m=m@entry=0x3ffeeed4 <s_mgr>, timeout_ms=timeout_ms@entry=0) at mongoose/src/net.c:259
#20 0x4028738a in mongoose_poll (ms=ms@entry=0) at /mongoose-os/fw/src/mgos_mongoose.c:59
#21 0x4028740c in mongoose_poll_cb (arg=<optimized out>) at /mongoose-os/fw/platforms/esp8266/src/esp_main.c:79
#22 0x40283617 in mgos_lwip_task (e=<optimized out>) at /mongoose-os/fw/platforms/esp8266/src/esp_main.c:231
#23 0x40000f49 in ets_post ()
#24 0x3fffc200 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)