From: Daniel Wagner <wagi@monom.org>
To: iwd@lists.01.org
Subject: network_connect crashes
Date: Mon, 05 Apr 2021 20:45:44 +0200 [thread overview]
Message-ID: <20210405184544.hckhqfpk7mwz66h2@beryllium.lan> (raw)
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Hi,
I was hacking on ConnMan and was able to reliable trigger this crash
with the current head:
++++++++ backtrace ++++++++
#0 0x7f4e1504e530 in /lib64/libc.so.6
#1 0x432b54 in network_get_security() at src/network.c:253
#2 0x416e92 in station_handshake_setup() at src/station.c:937
#3 0x41a505 in __station_connect_network() at src/station.c:2551
#4 0x41a683 in station_disconnect_onconnect_cb() at src/station.c:2581
#5 0x40b4ae in netdev_disconnect() at src/netdev.c:3142
#6 0x41a719 in station_disconnect_onconnect() at src/station.c:2603
#7 0x41a89d in station_connect_network() at src/station.c:2652
#8 0x433f1d in network_connect_psk() at src/network.c:886
#9 0x43483a in network_connect() at src/network.c:1183
#10 0x4add11 in _dbus_object_tree_dispatch() at ell/dbus-service.c:1802
#11 0x49ff54 in message_read_handler() at ell/dbus.c:285
#12 0x496d2f in io_callback() at ell/io.c:120
#13 0x495894 in l_main_iterate() at ell/main.c:478
#14 0x49599b in l_main_run() at ell/main.c:521
#15 0x495cb3 in l_main_run_with_signal() at ell/main.c:647
#16 0x404add in main() at src/main.c:490
#17 0x7f4e15038b25 in /lib64/libc.so.6
The sequence which seems to be to trigger it
- set autoconnect to a known network
- connnect to this network immediately
I was not sure if setting the autoconnect will trigger the connect or
not. Anyway, crashing seems a a bit harsh to let me know that me I am
doing something wrong ;)
The same crash happened when I blocked the STA from the AP. I've
collected a pcap as well. Not sure if you need it.
https://www.monom.org/data/blocked.pcap
Thanks,
Daniel
ps: note the above call trace, the pcap and the call trace bellow
are collected from separate crashes.
(gdb) bt full
#0 0x000000000043306e in network_get_security (network=0x0) at src/network.c:253
No locals.
#1 0x00000000004172eb in station_handshake_setup (station=0x54bf40, network=0x0, bss=0x0) at src/station.c:938
security = 5553984
settings = 0x4e8070 <__func__.14>
wiphy = 0x417de5 <station_enter_state+681>
hs = 0x7fffffffe710
ssid = 0x54d6d0 ""
eapol_proto_version = 0
value = 0x4e71eb "State"
full_random = false
override = false
new_addr = "\177\000\000QwA"
__func__ = "station_handshake_setup"
#2 0x000000000041a9b7 in __station_connect_network (station=0x54bf40, network=0x0, bss=0x0) at src/station.c:2553
extra_ies = 0x7fffffffe810
iov_elems = 0
hs = 0x0
r = 0
__func__ = "__station_connect_network"
#3 0x000000000041ab35 in station_disconnect_onconnect_cb (netdev=0x54b4a0, success=true, user_data=0x54bf40) at src/station.c:2583
station = 0x54bf40
err = 0
#4 0x000000000040b81e in netdev_disconnect (netdev=0x54b4a0, cb=0x41aae8 <station_disconnect_onconnect_cb>, user_data=0x54bf40)
at src/netdev.c:3242
disconnect = 0x7fffffffe7d8
send_disconnect = false
#5 0x000000000041abcb in station_disconnect_onconnect (station=0x54bf40, network=0x558720, bss=0x5593e0, message=0x557bc0)
at src/station.c:2605
No locals.
#6 0x000000000041ad60 in station_connect_network (station=0x54bf40, network=0x558720, bss=0x5593e0, message=0x557bc0)
at src/station.c:2653
dbus = 0x538d00
err = 2
#7 0x0000000000434437 in network_connect_psk (network=0x558720, bss=0x5593e0, message=0x557bc0) at src/network.c:884
station = 0x54bf40
need_passphrase = false
__func__ = "network_connect_psk"
#8 0x0000000000434d54 in network_connect (dbus=0x538d00, message=0x557bc0, user_data=0x558720) at src/network.c:1183
network = 0x558720
station = 0x54bf40
bss = 0x5593e0
__func__ = "network_connect"
#9 0x00000000004ae3f7 in _dbus_object_tree_dispatch (tree=0x53bee0, dbus=0x538d00, message=0x557bc0) at ell/dbus-service.c:1802
path = 0x558c38 "/net/connman/iwd/2/39/41636865726f6e_psk"
interface = 0x558c88 "net.connman.iwd.Network"
member = 0x558ca8 "Connect"
msg_sig = 0x4fadd9 ""
sig = 0x5464a5 ""
node = 0x54cd10
instance = 0x551b70
method = 0x546490
reply = 0x0
#10 0x00000000004a063a in message_read_handler (io=0x539df0, user_data=0x538d00) at ell/dbus.c:285
dbus = 0x538d00
message = 0x557bc0
header = 0x558c20
body = 0x0
header_size = 160
body_size = 0
msgtype = DBUS_MESSAGE_TYPE_METHOD_CALL
#11 0x0000000000497415 in io_callback (fd=6, events=1, user_data=0x539df0) at ell/io.c:120
io = 0x539df0
#12 0x0000000000495f7a in l_main_iterate (timeout=-1) at ell/main.c:478
events = {{events = 1, data = {ptr = 0x539e70, fd = 5480048, u32 = 5480048, u64 = 5480048}}, {events = 4, data = {ptr = 0x539e70,
fd = 5480048, u32 = 5480048, u64 = 5480048}}, {events = 4, data = {ptr = 0x539e70, fd = 5480048, u32 = 5480048,
u64 = 5480048}}, {events = 5, data = {ptr = 0x539e70, fd = 5480048, u32 = 5480048, u64 = 5480048}}, {events = 1, data = {
ptr = 0x54ff50, fd = 5570384, u32 = 5570384, u64 = 5570384}}, {events = 0, data = {ptr = 0x10, fd = 16, u32 = 16,
u64 = 16}}, {events = 4294967224, data = {ptr = 0xffffffff, fd = -1, u32 = 4294967295, u64 = 4294967295}}, {events = 0,
data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0xf7e6334400000000, fd = 0, u32 = 0,
u64 = 17863021339162443776}}, {events = 32767, data = {ptr = 0x53e6b0, fd = 5498544, u32 = 5498544, u64 = 5498544}}}
data = 0x539e70
n = 0
nfds = 1
#13 0x0000000000496081 in l_main_run () at ell/main.c:525
timeout = -1
#14 0x0000000000496399 in l_main_run_with_signal (callback=0x403a2e <signal_handler>, user_data=0x0) at ell/main.c:647
data = 0x53e4e0
sigint = 0x53e500
sigterm = 0x53e680
result = 0
#15 0x0000000000404add in main (argc=2, argv=0x7fffffffec58) at src/main.c:490
enable_dbus_debug = false
exit_status = 1
dbus = 0x538d00
config_dir = 0x4e3a51 "/etc/iwd"
config_dirs = 0x5347a0
i = 1
__func__ = "main"
next reply other threads:[~2021-04-05 18:45 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-05 18:45 Daniel Wagner [this message]
2021-04-05 19:39 ` network_connect crashes James Prestwood
2021-04-05 20:05 ` James Prestwood
2021-04-06 7:06 ` Daniel Wagner
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