buglwIP - A Lightweight TCP/IP stack - Bugs: bug #59639, #define TCP_OVERSIZE 0 causes...

 
 

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bug #59639: #define TCP_OVERSIZE 0 causes continuous retransmissions

Submitted by:  Oleg Kobrin <kiabrin>
Submitted on:  Tue 08 Dec 2020 08:40:00 AM UTC  
 
Category:  TCP Severity:  3 - Normal
Item Group:  Faulty Behaviour Status:  None
Privacy:  Public Assigned to:  None
Open/Closed:  Open Planned Release:  None
lwIP version:  git head

Tue 08 Dec 2020 08:40:00 AM UTC, original submission:  

No. Time Source Destination Protocol Length Info
2305 65.878862 172.23.3.32 172.23.3.85 TCP 66 17509 → 8070 [SYN] Seq=0 Win=8192 Len=0 MSS=1460 WS=256 SACK_PERM=1
2306 65.879085 172.23.3.85 172.23.3.32 TCP 60 8070 → 17509 [SYN, ACK] Seq=0 Ack=1 Win=4096 Len=0 MSS=1460
2307 65.879162 172.23.3.32 172.23.3.85 TCP 54 17509 → 8070 [ACK] Seq=1 Ack=1 Win=64240 Len=0
2319 66.388327 172.23.3.32 172.23.3.85 TCP 66 17509 → 8070 [PSH, ACK] Seq=1 Ack=1 Win=64240 Len=12
2326 66.688915 172.23.3.32 172.23.3.85 TCP 66 [TCP Retransmission] 17509 → 8070 [PSH, ACK] Seq=1 Ack=1 Win=64240 Len=12
2327 66.689151 172.23.3.85 172.23.3.32 TCP 60 8070 → 17509 [ACK] Seq=1 Ack=13 Win=4084 Len=0
2375 67.388855 172.23.3.32 172.23.3.85 TCP 66 17509 → 8070 [PSH, ACK] Seq=13 Ack=1 Win=64240 Len=12
2388 67.688527 172.23.3.32 172.23.3.85 TCP 66 [TCP Retransmission] 17509 → 8070 [PSH, ACK] Seq=13 Ack=1 Win=64240 Len=12
2389 67.688746 172.23.3.85 172.23.3.32 TCP 60 8070 → 17509 [ACK] Seq=1 Ack=25 Win=4072 Len=0
2407 68.389575 172.23.3.32 172.23.3.85 TCP 66 17509 → 8070 [PSH, ACK] Seq=25 Ack=1 Win=64240 Len=12
2417 68.689195 172.23.3.32 172.23.3.85 TCP 66 [TCP Retransmission] 17509 → 8070 [PSH, ACK] Seq=25 Ack=1 Win=64240 Len=12
2418 68.689426 172.23.3.85 172.23.3.32 TCP 60 8070 → 17509 [ACK] Seq=1 Ack=37 Win=4060 Len=0
2438 69.390307 172.23.3.32 172.23.3.85 TCP 66 17509 → 8070 [PSH, ACK] Seq=37 Ack=1 Win=64240 Len=12
2451 69.690875 172.23.3.32 172.23.3.85 TCP 66 [TCP Retransmission] 17509 → 8070 [PSH, ACK] Seq=37 Ack=1 Win=64240 Len=12
2452 69.691095 172.23.3.85 172.23.3.32 TCP 60 8070 → 17509 [ACK] Seq=1 Ack=49 Win=4048 Len=0
2498 70.390885 172.23.3.32 172.23.3.85 TCP 66 17509 → 8070 [PSH, ACK] Seq=49 Ack=1 Win=64240 Len=12
2526 70.691392 172.23.3.32 172.23.3.85 TCP 66 [TCP Retransmission] 17509 → 8070 [PSH, ACK] Seq=49 Ack=1 Win=64240 Len=12
2527 70.691615 172.23.3.85 172.23.3.32 TCP 60 8070 → 17509 [ACK] Seq=1 Ack=61 Win=4036 Len=0

Oleg Kobrin <kiabrin>

 

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Depends on the following items: None found

Items that depend on this one: None found

 

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