Segfault when telegrams are received #579

watchdogtheone · 2024-08-06T15:46:10Z

Hello there,

it is simple. I have set a small test with a TUL module.
Everytime i receive knx telegrams, knxd segfault.

Am i doing something wrong ? Because... even if KNX devices send wrong data, KNXD is not supposed to segfault right ?

Best regards

`
Layer 0 [16:A.tpuarts/log 67.177] Known Addr 30/3/250: yes
Layer 0 [15:A.tpuarts/LowF 67.177] SendAck 11
Layer 0 [18:A.tpuarts/log 67.177] Send(001): 11
Layer 1 [15:A.tpuarts/LowF 67.177] RecvLP(015): 98 02 01 F3 FA E7 00 80 00 03 00 00 00 00 09
Layer 0 [16:A.tpuarts/log 67.177] Recv L_Data (repeated) normal from 0.2.1 to 30/3/250 hops: 06 T_Data_Group A_GroupValue_Write 00 03 00 00 00 00
Layer 8 [13:A.tpuarts/Conn 67.177] found addr 0.2.1
Layer 8 [15:A.tpuarts/LowF 67.177] state: wait_more > wait
Layer 8 [15:A.tpuarts/LowF 67.177] state: wait > wait_more
Layer 0 [16:A.tpuarts/log 67.177] Known Addr 30/3/250: yes
Layer 0 [15:A.tpuarts/LowF 67.177] SendAck 11
Layer 0 [18:A.tpuarts/log 67.177] Send(001): 11
Layer 1 [15:A.tpuarts/LowF 67.177] RecvLP(015): 98 02 01 F3 FA E7 00 80 00 03 00 00 00 00 09
Layer 0 [16:A.tpuarts/log 67.177] Recv L_Data (repeated) normal from 0.2.1 to 30/3/250 hops: 06 T_Data_Group A_GroupValue_Write 00 03 00 00 00 00
Layer 8 [13:A.tpuarts/Conn 67.177] found addr 0.2.1
Layer 8 [15:A.tpuarts/LowF 67.177] state: wait_more > wait
Layer 8 [15:A.tpuarts/LowF 67.177] state: wait > wait_more
Layer 0 [16:A.tpuarts/log 67.177] Known Addr 30/3/250: yes
Layer 0 [15:A.tpuarts/LowF 67.178] SendAck 11
Layer 0 [18:A.tpuarts/log 67.178] Send(001): 11
Layer 1 [15:A.tpuarts/LowF 67.178] RecvLP(015): 98 02 01 F3 FA E7 00 80 00 03 00 00 00 00 09
Layer 0 [16:A.tpuarts/log 67.178] Recv L_Data (repeated) normal from 0.2.1 to 30/3/250 hops: 06 T_Data_Group A_GroupValue_Write 00 03 00 00 00 00
Layer 8 [13:A.tpuarts/Conn 67.178] found addr 0.2.1
Layer 8 [15:A.tpuarts/LowF 67.178] state: wait_more > wait
Layer 6 [34:router/ConnC 67.178] sending, send_more clear
Layer 1 [ 6:server/Server 67.178] Send(017): 29 00 B8 D0 02 01 F3 FA 07 00 80 00 03 00 00 00 00
Layer 2 [36:router.pace_/router 67.178] out 1/8: delay for 0.023 sec
Layer 6 [31:router/ConnC 67.178] sending, send_more clear
Layer 1 [20:server/Server 67.178] Send(017): 29 00 B8 D0 02 01 F3 FA 07 00 80 00 03 00 00 00 00
Layer 2 [33:router.pace_/router 67.178] out 1/8: delay for 0.023 sec
Layer 6 [ 4:B.cache/Conn 67.178] sending, send_more clear
Layer 6 [ 4:B.cache/Conn 67.178] sendNext called, send_more set
Layer 6 [ 1:main 67.178] sending set
Layer 6 [34:router/ConnC 67.178] still waiting
Layer 6 [ 1:main 67.178] wait L
Layer 0 [20:server/Server 67.178] Send(023): 06 10 05 30 00 17 29 00 B8 D0 02 01 F3 FA 07 00 80 00 03 00 00 00 00
Layer 0 [ 6:server/Server 67.178] Send(023): 06 10 05 30 00 17 29 00 B8 D0 02 01 F3 FA 07 00 80 00 03 00 00 00 00
Layer 0 [20:server/Server 67.178] Dropped(023): 06 10 05 30 00 17 29 00 B8 D0 02 01 F3 FA 07 00 80 00 03 00 00 00 00
Layer 0 [ 6:server/Server 67.178] Dropped(023): 06 10 05 30 00 17 29 00 B8 D0 02 01 F3 FA 07 00 80 00 03 00 00 00 00
Layer 0 [20:server/Server 67.178] Dropped(023): 06 10 05 30 00 17 29 00 B8 D0 02 01 F3 FA 07 00 80 00 03 00 00 00 00
Layer 0 [ 6:server/Server 67.178] Dropped(023): 06 10 05 30 00 17 29 00 B8 D0 02 01 F3 FA 07 00 80 00 03 00 00 00 00
Layer 2 [36:router.pace_/router 67.201] delay done
Layer 6 [34:router/ConnC 67.201] sendNext called, send_more set
Layer 6 [34:router/ConnC 67.201] is OK
Layer 6 [31:router/ConnC 67.201] still waiting
Layer 2 [33:router.pace_/router 67.201] delay done
Layer 6 [31:router/ConnC 67.201] sendNext called, send_more set
Layer 6 [34:router/ConnC 67.201] is OK
Layer 6 [31:router/ConnC 67.201] is OK
Layer 6 [27:C.tcp/inet 67.201] is OK
Layer 6 [20:server/Server 67.201] is OK
Layer 6 [13:A.tpuarts/Conn 67.201] is OK
Layer 6 [ 6:server/Server 67.201] is OK
Layer 6 [ 4:B.cache/Conn 67.201] is OK
Layer 6 [ 1:main 67.201] OK
Layer 6 [ 2:main/L 67.201] OK L
Layer 9 [ 1:main 67.201] Drop: L_Data (repeated) normal from 0.2.1 to 30/3/250 hops: 05 T_Data_Group A_GroupValue_Write 00 03 00 00 00 00
Layer 9 [ 1:main 67.201] Drop: L_Data (repeated) normal from 0.2.1 to 30/3/250 hops: 05 T_Data_Group A_GroupValue_Write 00 03 00 00 00 00
Layer 9 [ 1:main 67.201] Drop: L_Data (repeated) normal from 0.2.1 to 30/3/250 hops: 05 T_Data_Group A_GroupValue_Write 00 03 00 00 00 00

Layer 0 [18:A.tpuarts/log 70.178] Recv(030): 34 E7 02 01 00 00 15 07 EB 03 EA 01 FF 00 FD FE 00 00 00 00 00 00 00 00 00 00 00 03 00 C1
Layer 8 [15:A.tpuarts/LowF 70.178] state: wait > wait_more
Layer 0 [16:A.tpuarts/log 70.178] Known Addr 0/0/0: yes
Layer 0 [15:A.tpuarts/LowF 70.178] SendAck 11
Layer 0 [18:A.tpuarts/log 70.178] Send(001): 11
Layer 1 [15:A.tpuarts/LowF 70.178] RecvLP(030): 34 E7 02 01 00 00 15 07 EB 03 EA 01 FF 00 FD FE 00 00 00 00 00 00 00 00 00 00 00 03 00 C1
Segmentation fault
`

Makki1 · 2024-08-07T06:27:12Z

Ähm, 30.3.250 klingt spannend! :-( das ist irgendwas sehr verquer.. Grüsse Makki Am 06.08.24 um 17:46 schrieb thewatchdog:

…

Hello there, it is simple. I have set a small test with a TUL module. Everytime i receive knx telegrams, knxd segfault ` Layer 0 [16:A.tpuarts/log 67.177] Known Addr 30/3/250: yes Layer 0 [15:A.tpuarts/LowF 67.177] SendAck 11 Layer 0 [18:A.tpuarts/log 67.177] Send(001): 11 Layer 1 [15:A.tpuarts/LowF 67.177] RecvLP(015): 98 02 01 F3 FA E7 00 80 00 03 00 00 00 00 09 Layer 0 [16:A.tpuarts/log 67.177] Recv L_Data (repeated) normal from 0.2.1 to 30/3/250 hops: 06 T_Data_Group A_GroupValue_Write 00 03 00 00 00 00 Layer 8 [13:A.tpuarts/Conn 67.177] found addr 0.2.1 Layer 8 [15:A.tpuarts/LowF 67.177] state: wait_more > wait Layer 8 [15:A.tpuarts/LowF 67.177] state: wait > wait_more Layer 0 [16:A.tpuarts/log 67.177] Known Addr 30/3/250: yes Layer 0 [15:A.tpuarts/LowF 67.177] SendAck 11 Layer 0 [18:A.tpuarts/log 67.177] Send(001): 11 Layer 1 [15:A.tpuarts/LowF 67.177] RecvLP(015): 98 02 01 F3 FA E7 00 80 00 03 00 00 00 00 09 Layer 0 [16:A.tpuarts/log 67.177] Recv L_Data (repeated) normal from 0.2.1 to 30/3/250 hops: 06 T_Data_Group A_GroupValue_Write 00 03 00 00 00 00 Layer 8 [13:A.tpuarts/Conn 67.177] found addr 0.2.1 Layer 8 [15:A.tpuarts/LowF 67.177] state: wait_more > wait Layer 8 [15:A.tpuarts/LowF 67.177] state: wait > wait_more Layer 0 [16:A.tpuarts/log 67.177] Known Addr 30/3/250: yes Layer 0 [15:A.tpuarts/LowF 67.178] SendAck 11 Layer 0 [18:A.tpuarts/log 67.178] Send(001): 11 Layer 1 [15:A.tpuarts/LowF 67.178] RecvLP(015): 98 02 01 F3 FA E7 00 80 00 03 00 00 00 00 09 Layer 0 [16:A.tpuarts/log 67.178] Recv L_Data (repeated) normal from 0.2.1 to 30/3/250 hops: 06 T_Data_Group A_GroupValue_Write 00 03 00 00 00 00 Layer 8 [13:A.tpuarts/Conn 67.178] found addr 0.2.1 Layer 8 [15:A.tpuarts/LowF 67.178] state: wait_more > wait Layer 6 [34:router/ConnC 67.178] sending, send_more clear Layer 1 [ 6:server/Server 67.178] Send(017): 29 00 B8 D0 02 01 F3 FA 07 00 80 00 03 00 00 00 00 Layer 2 [36:router.pace_/router 67.178] out 1/8: delay for 0.023 sec Layer 6 [31:router/ConnC 67.178] sending, send_more clear Layer 1 [20:server/Server 67.178] Send(017): 29 00 B8 D0 02 01 F3 FA 07 00 80 00 03 00 00 00 00 Layer 2 [33:router.pace_/router 67.178] out 1/8: delay for 0.023 sec Layer 6 [ 4:B.cache/Conn 67.178] sending, send_more clear Layer 6 [ 4:B.cache/Conn 67.178] sendNext called, send_more set Layer 6 [ 1:main 67.178] sending set Layer 6 [34:router/ConnC 67.178] still waiting Layer 6 [ 1:main 67.178] wait L Layer 0 [20:server/Server 67.178] Send(023): 06 10 05 30 00 17 29 00 B8 D0 02 01 F3 FA 07 00 80 00 03 00 00 00 00 Layer 0 [ 6:server/Server 67.178] Send(023): 06 10 05 30 00 17 29 00 B8 D0 02 01 F3 FA 07 00 80 00 03 00 00 00 00 Layer 0 [20:server/Server 67.178] Dropped(023): 06 10 05 30 00 17 29 00 B8 D0 02 01 F3 FA 07 00 80 00 03 00 00 00 00 Layer 0 [ 6:server/Server 67.178] Dropped(023): 06 10 05 30 00 17 29 00 B8 D0 02 01 F3 FA 07 00 80 00 03 00 00 00 00 Layer 0 [20:server/Server 67.178] Dropped(023): 06 10 05 30 00 17 29 00 B8 D0 02 01 F3 FA 07 00 80 00 03 00 00 00 00 Layer 0 [ 6:server/Server 67.178] Dropped(023): 06 10 05 30 00 17 29 00 B8 D0 02 01 F3 FA 07 00 80 00 03 00 00 00 00 Layer 2 [36:router.pace_/router 67.201] delay done Layer 6 [34:router/ConnC 67.201] sendNext called, send_more set Layer 6 [34:router/ConnC 67.201] is OK Layer 6 [31:router/ConnC 67.201] still waiting Layer 2 [33:router.pace_/router 67.201] delay done Layer 6 [31:router/ConnC 67.201] sendNext called, send_more set Layer 6 [34:router/ConnC 67.201] is OK Layer 6 [31:router/ConnC 67.201] is OK Layer 6 [27:C.tcp/inet 67.201] is OK Layer 6 [20:server/Server 67.201] is OK Layer 6 [13:A.tpuarts/Conn 67.201] is OK Layer 6 [ 6:server/Server 67.201] is OK Layer 6 [ 4:B.cache/Conn 67.201] is OK Layer 6 [ 1:main 67.201] OK Layer 6 [ 2:main/L 67.201] OK L Layer 9 [ 1:main 67.201] Drop: L_Data (repeated) normal from 0.2.1 to 30/3/250 hops: 05 T_Data_Group A_GroupValue_Write 00 03 00 00 00 00 Layer 9 [ 1:main 67.201] Drop: L_Data (repeated) normal from 0.2.1 to 30/3/250 hops: 05 T_Data_Group A_GroupValue_Write 00 03 00 00 00 00 Layer 9 [ 1:main 67.201] Drop: L_Data (repeated) normal from 0.2.1 to 30/3/250 hops: 05 T_Data_Group A_GroupValue_Write 00 03 00 00 00 00 Layer 0 [18:A.tpuarts/log 70.178] Recv(030): 34 E7 02 01 00 00 15 07 EB 03 EA 01 FF 00 FD FE 00 00 00 00 00 00 00 00 00 00 00 03 00 C1 Layer 8 [15:A.tpuarts/LowF 70.178] state: wait > wait_more Layer 0 [16:A.tpuarts/log 70.178] Known Addr 0/0/0: yes Layer 0 [15:A.tpuarts/LowF 70.178] SendAck 11 Layer 0 [18:A.tpuarts/log 70.178] Send(001): 11 Layer 1 [15:A.tpuarts/LowF 70.178] RecvLP(030): 34 E7 02 01 00 00 15 07 EB 03 EA 01 FF 00 FD FE 00 00 00 00 00 00 00 00 00 00 00 03 00 C1 Segmentation fault ` — Reply to this email directly, view it on GitHub <#579>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AAJT4BNS52FUP77LY3TTJVLZQDVVTAVCNFSM6AAAAABMCTYA4KVHI2DSMVQWIX3LMV43ASLTON2WKOZSGQ2TCMRQGEYTKOA>. 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watchdogtheone · 2024-08-07T07:08:17Z

what do you mean ?
A collegue said that 30.3.250 is a Summary of Defects from siemens SYNCO. Its an object exchanged between all the Syncho module.

I reaad that Synco use KNX mode S and LTE. Is there a relation ?

smurfix · 2024-08-08T18:30:05Z

Please show us your config file. A stack traceback would also be helpful (build without stripping debug information, then attach/run with gdb).

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Segfault when telegrams are received #579

Segfault when telegrams are received #579

watchdogtheone commented Aug 6, 2024 •

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Makki1 commented Aug 7, 2024 via email

watchdogtheone commented Aug 7, 2024 •

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smurfix commented Aug 8, 2024

Segfault when telegrams are received #579

Segfault when telegrams are received #579

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watchdogtheone commented Aug 6, 2024 • edited Loading

Makki1 commented Aug 7, 2024 via email

watchdogtheone commented Aug 7, 2024 • edited Loading

smurfix commented Aug 8, 2024

watchdogtheone commented Aug 6, 2024 •

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watchdogtheone commented Aug 7, 2024 •

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