[Bug 265588] [TCP] - tcp send a retransmission identical sequence number packet with different payload

From: <bugzilla-noreply_at_freebsd.org>
Date: Thu, 20 Oct 2022 11:21:13 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=265588

--- Comment #16 from Richard Scheffenegger <rscheff@freebsd.org> ---
My script was not using correctly calculating the index when extracting the
payload bytes (vs. nibbles).

Server: 


2 10.234.1.9 35249 229 15928 11
0x71d1c76e36    0xb735f72557    0xbad512b35a    0xc83acec265    0xb844d58b55   
0xbd5a039980    0xb4bfc3dab3    0xbee06a47f3    0xbfb010681c    0xb6b3fa5ac5
0x4f9fb874c4

4 10.234.1.9 8689 229 1448 1
0xbab2063451
5 10.234.1.9 10137 229 1448 1
0xbbf86dbb36
6 10.234.1.9 11585 229 1448 1
0xb8ec7aad26
7 10.234.1.9 13033 229 1448 1
0xc2229a8c78
8 10.234.1.9 14481 229 1448 1
0xbc727adfaf
9 10.234.1.9 15929 229 1448 1
0xb878e4e750
10 10.234.1.9 17377 229 1448 1
0xb8cf084795
11 10.234.1.9 18825 229 1448 1
0xb1c0a9f0b7
12 10.234.1.9 20273 229 1448 1
0xbd4ea6026b
13 10.234.1.9 21721 229 1448 1
0xbb4ccfd34f
14 10.234.1.9 23169 229 1448 1
0xbbef592031
15 10.234.1.9 24617 229 1448 1
0xc11f3fa432
16 10.234.1.9 26065 229 1448 1
0xc17d2e2122
17 10.234.1.9 27513 229 1448 1
0xb9c4b6b54b
18 10.234.1.9 28961 229 1448 1
0xafdab1ffd9
19 10.234.1.9 30409 229 1448 1
0xba2bb58c02
20 10.234.1.9 31857 229 1448 1
0x85d214ca1a
21 10.234.1.9 33305 229 1448 1
0x5d03fe02

23 10.234.1.9 51177 229 2896 2
0x2e27666731    0xb9fa1ff668



27 10.234.1.9 54073 229 5792 4
0xbeb29edeb3    0xc8c8f9156e    0xba5c9bda1c    0xb926f50a14

29 10.234.1.9 59865 229 7240 5
0xb80428de21    0xbc989742af    0xb7d87eb490    0xc0764c9658    0xb0f453f54f

31 10.234.1.9 67105 229 2896 2
0xbf11b17dd6    0xb7ae02bd2e

33 10.234.1.9 70001 229 7240 5
0xbcace865e1    0xa94237837a    0xb93333cc73    0xc378ca422f    0xae8c77d34c

35 10.234.1.9 77241 229 5792 4
0xb9aa1f5cf0    0xbc0d4d5eeb    0xbfcfd22bb5    0xbe5f4fcab3

37 10.234.1.9 83033 229 5792 4
0xb38cf37f36    0xb841134949    0xb254f6cd10    0xb9308b33c0

39 10.234.1.9 88825 229 10136 7
0xb7c4d84be0    0xb756bea53a    0xc01788147f    0xbe0c0c256b    0xbfd5dbc475   
0xba1280798a    0xbb7f22a3b0

41 10.234.1.9 98961 229 7240 5
0xc0d849757c    0x1e0bb5fc96    0xe103fe02      0xa981db3da5    0xb2ea9bfc15

43 10.234.1.9 106201 229 2896 2
0xb804c256b2    0xadee432a00

45 10.234.1.9 109097 229 5792 4
0xbb18c54acf    0xad6fd40bd1    0xb5b26d9bee    0xc2241f2310

47 10.234.1.9 114889 229 5792 4
0xb06dc4a15f    0xbb4bffa5a3    0xc0be16026c    0xb66fde201b

49 10.234.1.9 120681 229 4344 3
0x297e5fe531    0x4e68b0fd4b    0xb9d403d1b5

51 10.234.1.9 125025 229 7240 5
0xb23ee730dd    0xc2fd29b2eb    0xbe27bbf1be    0xb829e51fdc    0xbc5b20682b



55 10.234.1.9 132265 229 7240 5
0xbc51448823    0xb84ce9af5d    0xb9d8c684d1    0xbdf8798dd2    0xb8e9ab3099

57 10.234.1.9 139505 229 17376 12
0xbb89e63305    0xc39d87e539    0xbe3907a912    0xc1d4e2a4cd    0xb67ad48c56   
0xb8a3477609    0xb910bcd658    0xc22c316cbc    0xb2ed5e07d3    0xc29ab7b16b
0xbb7fbe80df     0xb31f21cf40




62 10.234.1.9 129369 229 1448 1
#0xb829e51fdc
63 10.234.1.9 129369 229 27512 19
#0xbc5b20682b   #0xbc51448823   #0xb84ce9af5d   #0xb9d8c684d1   #0xbdf8798dd2  
#0xb8e9ab3099   #0xbb89e63305   #0xc39d87e539   #0xbe3907a912  
#0xc1d4e2a4cd#0xb67ad48c56    #0xb8a3477609   #0xb910bcd658   #0xc22c316cbc  
#0xb2ed5e07d3   #0xc29ab7b16b   #0xbb7fbe80df   #0xb31f21cf40   0xbf0ecdd485


66 10.234.1.9 130817 457 1448 1
#0xbc5b20682b
67 10.234.1.9 156881 457 5792 4
#0xbf0ecdd485   0xba2a5a7f85    0xb1861afe36    0xb12d2968f0




Client: 


2 10.234.1.9 35249 229 11584 8
0x71d1c76e36    0xb735f72557    0xbad512b35a    0xc83acec265    0xb844d58b55   
0xbd5a039980    0xb4bfc3dab3    0xbee06a47f3
3 10.234.1.9 46833 229 4344 3
0xbfb010681c    0xb6b3fa5ac5    0x4f9fb874c4


6 10.234.1.9 1 1 8688 6
0xb4745a9cce    0xbad4180f42    0xb0272a0868    0xbfb7166be9    0xb89d58abc8   
0xbe04548606



10 10.234.1.9 8689 229 4344 3
0xbab2063451    0xbbf86dbb36    0xb8ec7aad26

12 10.234.1.9 13033 229 21720 15
0xc2229a8c78    0xbc727adfaf    0xb878e4e750    0xb8cf084795    0xb1c0a9f0b7   
0xbd4ea6026b    0xbb4ccfd34f    0xbbef592031    0xc11f3fa432    0xc17d2e2122
0xb9c4b6b54b     0xafdab1ffd9    0xba2bb58c02    0x85d214ca1a    0x5d03fe02

14 10.234.1.9 51177 229 2896 2
0x2e27666731    0xb9fa1ff668

16 10.234.1.9 54073 229 4344 3
0xbeb29edeb3    0xc8c8f9156e    0xba5c9bda1c
17 10.234.1.9 58417 229 1448 1
0xb926f50a14


20 10.234.1.9 59865 229 4344 3
0xb80428de21    0xbc989742af    0xb7d87eb490
21 10.234.1.9 64209 229 2896 2
0xc0764c9658    0xb0f453f54f


24 10.234.1.9 67105 229 2896 2
0xbf11b17dd6    0xb7ae02bd2e

26 10.234.1.9 70001 229 7240 5
0xbcace865e1    0xa94237837a    0xb93333cc73    0xc378ca422f    0xae8c77d34c
27 10.234.1.9 77241 229 4344 3
0xb9aa1f5cf0    0xbc0d4d5eeb    0xbfcfd22bb5
28 10.234.1.9 81585 229 1448 1
0xbe5f4fcab3



32 10.234.1.9 83033 229 5792 4
0xb38cf37f36    0xb841134949    0xb254f6cd10    0xb9308b33c0

34 10.234.1.9 88825 229 5792 4
0xb7c4d84be0    0xb756bea53a    0xc01788147f    0xbe0c0c256b
35 10.234.1.9 94617 229 4344 3
0xbfd5dbc475    0xba1280798a    0xbb7f22a3b0
36 10.234.1.9 98961 229 7240 5
0xc0d849757c    0x1e0bb5fc96    0xe103fe02      0xa981db3da5    0xb2ea9bfc15
37 10.234.1.9 106201 229 2896 2
0xb804c256b2    0xadee432a00




42 10.234.1.9 109097 229 2896 2
0xbb18c54acf    0xad6fd40bd1
43 10.234.1.9 111993 229 2896 2
0xb5b26d9bee    0xc2241f2310


46 10.234.1.9 114889 229 5792 4
0xb06dc4a15f    0xbb4bffa5a3    0xc0be16026c    0xb66fde201b
47 10.234.1.9 120681 229 4344 3
0x297e5fe531    0x4e68b0fd4b    0xb9d403d1b5
48 10.234.1.9 125025 229 4344 3
0xb23ee730dd    0xc2fd29b2eb    0xbe27bbf1be

50 10.234.1.9 132265 229 2896 2
0xbc51448823    0xb84ce9af5d
51 10.234.1.9 135161 229 4344 3
0xb9d8c684d1    0xbdf8798dd2    0xb8e9ab3099



55 10.234.1.9 139505 229 13032 9
0xbb89e63305    0xc39d87e539    0xbe3907a912    0xc1d4e2a4cd    0xb67ad48c56   
0xb8a3477609    0xb910bcd658    0xc22c316cbc    0xb2ed5e07d3

57 10.234.1.9 152537 229 4344 3
0xc29ab7b16b    0xbb7fbe80df    0xb31f21cf40

59 10.234.1.9 129369 229 1448 1
0xb829e51fdc
60 10.234.1.9 129369 229 27512 19
0xbc5b20682b    #0xbc51448823   #0xb84ce9af5d   #0xb9d8c684d1   #0xbdf8798dd2  
#0xb8e9ab3099   #0xbb89e63305   #0xc39d87e539   #0xbe3907a912  
#0xc1d4e2a4cd#0xb67ad48c56    #0xb8a3477609   #0xb910bcd658   #0xc22c316cbc  
#0xb2ed5e07d3   #0xc29ab7b16b   #0xbb7fbe80df   #0xb31f21cf40   0xbf0ecdd485
61 10.234.1.9 130817 457 1448 1
#0xbc5b20682b
62 10.234.1.9 156881 457 5792 4
#0xbf0ecdd485   0xba2a5a7f85    0xb1861afe36    0xb12d2968f0
63 10.234.1.9 162673 457 2896 2
0xb6e0c2a044    0xbabdf52e10

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