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SuperHouse / esp-open-rtos

Open source FreeRTOS-based ESP8266 software framework
BSD 3-Clause "New" or "Revised" License
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Fatal exception when connecting to WEP AP #112

Open recursify opened 8 years ago

recursify commented 8 years ago

I'm getting occasional crashes when trying to connect to a WEP secured AP. Not sure if the security type is important here, but I have not seen this issue with WPA. Seems to be coming from the sdk_ieee80211_crypto_decap function.

scandone
add 0
aid 5

connected with Farsite IIup, channel 6
dhcp client start...
cnt
Fatal exception (28):
epc1=0x402386b8
epc2=0x00000000
epc3=0x4022a76d
excvaddr=0x050c0420
depc=0x00000000
excsave1=0x050c040c
�@*rjrA(!�SK5�Pv�Qz~��Q*�KA���I*E����)��)~yh���n�*U��hI�A,PZMmr�,R�*���vAm=KA��A.-�n�*e����nA,r%��E,R�*1)�vA�9)��(!��n�*E��hInA,t[M��A,t[�pp_task_hdl : 3fff42d8, prio:14, stack:512
pm_task_hdl : 3fff4ca8, prio:1, stack:176
frc2_timer_task_hdl:3fff7760, prio:12, stack:200
:> xtensa-lx106-elf-addr2line -f -e wifi-module.out 0x402386b8
sdk_ieee80211_crypto_decap

Let me know if you need more info! Using esp-open-rtos, commit hash a32d1099fa90c8f5d4708d898e7c5cae23ff8ca7

dongbh commented 8 years ago

I have the same error: when connects to WEP ap， it crashes.

xlwxdl commented 6 years ago

I have the same error: when connects to WEP ap， `add 0 aid 1

connected with wifi_WEP, channel 6 dhcp client start... cnt Fatal exception (20): epc1=0x00000d4c epc2=0x00000000 epc3=0x402074bd excvaddr=0x00000d4c depc=0x00000000 excsave1=0x4021e15d Registers: a0 4021e15d a1 3fff02d0 a2 402225ec a3 3ffeac48 a4 00000018 a5 0000000e a6 3ffe9624 a7 000000ff a8 0000003a a9 0000002a a10 00000002 a11 00000000 a12 3ffeac48 a13 3fff42b0 SAR 00000018

Stack: SP=0x3fff02d0 0x3fff02d0: 402225ec 40223095 3ffec570 3ffec57c 0x3fff02e0: 00000008 3ffec57c 00000000 00000031 0x3fff02f0: 00000018 40232522 3ffeac48 3ffec570 0x3fff0300: 000000f5 3ffec524 00000000 00000002 0x3fff0310: 0000002a 3ffeac48 3ffeac48 4020888f 0x3fff0320: 40231d7d 3feffe00 3ffebcb0 ffffffe0 0x3fff0330: 3ffebf60 00000000 00000000 00000000 0x3fff0340: 00000000 00000000 00000000 00000000

Free Heap: 51308 _heap_start 0x3fff1690 brk 0x3fff46c4 supervisor sp 0x40000000 sp-brk 47420 bytes arena (total_size) 12340 fordblks (free_size) 3888 uordblocks (used_size) 8452

`

xlwxdl commented 6 years ago

https://github.com/espressif/ESP8266_RTOS_SDK/issues/26 according this issue，，，espressif has fix this bug in 1.1.1 （sdk version ？）

xlwxdl commented 6 years ago

OK, it seems work now.

I download libnet80211.a from this 1.1.1 sdk

https://github.com/espressif/ESP8266_RTOS_SDK/blob/f33be1ab40a56370b68509979b0be7e017d20eec/lib/libnet80211.a

use ar commad extract libnet80211 from ESP8266_RTOS_SDK and esp-open-rtos.

ar -x libnet80211.a

replace ieee80211_crypto_wep.o then creating a new libnet80211.a by ar -r libnet80211.a *.o

Then rebuild the project.

I have tested with WPA2 ,WPA ,WEP40，WEP104, ... It works now. But..... It's a workaround anyway, and I am not sure whether it will bring any other extra problems.

It would be helpful if you guys try it out as much as possible.

lib.zip

@UncleRus Can you help confirm this?