Wireshark-bugs: [Wireshark-bugs] [Bug 6469] Wireshark packet_gsm-sms, display bug: Filler bits i
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Thu, 20 Oct 2011 02:07:23 -0700 (PDT)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6469

--- Comment #3 from Konrad Lenz <konrad.lenz@xxxxxxxx> 2011-10-20 02:07:22 PDT ---
Created an attachment (id=7274)
 --> (https://bugs.wireshark.org/bugzilla/attachment.cgi?id=7274)
pcap showing reported problem at frame # 1492/1495/...

PCAP showing the GSM/SMS Fill bit problem, as requested 2 by Comment #2 from
Jaap Keuter. PCAP shows typical 3G UMTS traffic at Iu-CS interface with Mobile
Phone Users registering and sending SMSs. Setting "Filter" to "ranap" makes
reviewing easier. Between frame # 1490 and # 1510 you will see a Mobile Phone
sending /etc/passwd as SMS which is split into 7 parts to form a "Concatenated
SMS". Each part in frames 1492, 1495, 1496, 1498, 1499, 1501 and 1502 shows the
problem described in this bug report. Note: the "malformed packets" around
frame # 1540 are *not* from this bug or from wireshark, but corrupted SMS
"Deliver" messages generated from our simulation.

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