Wireshark · Wireshark-bugs: [Wireshark-bugs] [Bug 12197] New: Buildbot crash output: fuzz-2016-02-28-30002.pcap

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Bug ID	12197
Summary	Buildbot crash output: fuzz-2016-02-28-30002.pcap
Product	Wireshark
Version	unspecified
Hardware	x86-64
URL	https://www.wireshark.org/download/automated/captures/fuzz-2016-02-28-30002.pcap
OS	Ubuntu
Status	CONFIRMED
Severity	Major
Priority	High
Component	Dissection engine (libwireshark)
Assignee	bugzilla-admin@wireshark.org
Reporter	buildbot-do-not-reply@wireshark.org

Problems have been found with the following capture file:

https://www.wireshark.org/download/automated/captures/fuzz-2016-02-28-30002.pcap

stderr:
Input file: /home/wireshark/menagerie/menagerie/10430-EMV_PSEs.pcapng

Build host information:
Linux wsbb04 3.13.0-77-generic #121-Ubuntu SMP Wed Jan 20 10:50:42 UTC 2016
x86_64 x86_64 x86_64 GNU/Linux
Distributor ID:    Ubuntu
Description:    Ubuntu 14.04.4 LTS
Release:    14.04
Codename:    trusty

Buildbot information:
BUILDBOT_REPOSITORY=ssh://wireshark-buildbot@code.wireshark.org:29418/wireshark
BUILDBOT_BUILDNUMBER=3521
BUILDBOT_URL=http://buildbot.wireshark.org/wireshark-master/
BUILDBOT_BUILDERNAME=Clang Code Analysis
BUILDBOT_SLAVENAME=clang-code-analysis
BUILDBOT_GOT_REVISION=ea6d1457b2d968f1546247c72adbfbe0a373a9b6

Return value:  1

Dissector bug:  0

Valgrind error count:  0



Git commit
commit ea6d1457b2d968f1546247c72adbfbe0a373a9b6
Author: Alexis La Goutte <alexis.lagoutte@gmail.com>
Date:   Sun Feb 28 10:18:19 2016 +0100

    U3V: Fix Dead Store (Dead assignement/Dead increment) Warning found by
Clang

    Change-Id: Ie86aba59e95ed739b07fcb9f596fa206bf9793f5
    Reviewed-on: https://code.wireshark.org/review/14217
    Reviewed-by: Martin Kaiser <wireshark@kaiser.cx>


Command and args:
/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/bin/tshark
-nVxr

=================================================================
==4993==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x6060002066b0
at pc 0x7f7fa4ca84a9 bp 0x7ffdc0c674c0 sp 0x7ffdc0c674b8
READ of size 4 at 0x6060002066b0 thread T0
    #0 0x7f7fa4ca84a8 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x806f4a8)
    #1 0x7f7fa3fad0dd 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x73740dd)
    #2 0x7f7fa4cf42a0 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x80bb2a0)
    #3 0x7f7fa4cf0f0c 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x80b7f0c)
    #4 0x7f7fa4cf2ab0 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x80b9ab0)
    #5 0x7f7fa3faa001 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x7371001)
    #6 0x7f7fa3fa9c9a 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x7370c9a)
    #7 0x7f7fa44e725b 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x78ae25b)
    #8 0x7f7fa3faa001 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x7371001)
    #9 0x7f7fa3fa815c 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x736f15c)
    #10 0x7f7fa3fa7952 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x736e952)
    #11 0x7f7fa3f8800e 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x734f00e)
    #12 0x50116c 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/bin/tshark+0x50116c)
    #13 0x4fbd78 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/bin/tshark+0x4fbd78)
    #14 0x7f7f99ee0ec4  (/lib/x86_64-linux-gnu/libc.so.6+0x21ec4)
    #15 0x440366 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/bin/tshark+0x440366)

0x6060002066b0 is located 24 bytes to the right of 56-byte region
[0x606000206660,0x606000206698)
allocated by thread T0 here:
    #0 0x4c7322 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/bin/tshark+0x4c7322)
    #1 0x7f7f9c317610  (/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x4e610)

Shadow bytes around the buggy address:
  0x0c0c80038c80: fa fa fa fa fd fd fd fd fd fd fd fd fa fa fa fa
  0x0c0c80038c90: fd fd fd fd fd fd fd fd fa fa fa fa fd fd fd fd
  0x0c0c80038ca0: fd fd fd fd fa fa fa fa fd fd fd fd fd fd fd fd
  0x0c0c80038cb0: fa fa fa fa fd fd fd fd fd fd fd fa fa fa fa fa
  0x0c0c80038cc0: fd fd fd fd fd fd fd fd fa fa fa fa 00 00 00 00
=>0x0c0c80038cd0: 00 00 00 fa fa fa[fa]fa fd fd fd fd fd fd fd fd
  0x0c0c80038ce0: fa fa fa fa fd fd fd fd fd fd fd fa fa fa fa fa
  0x0c0c80038cf0: fd fd fd fd fd fd fd fa fa fa fa fa fd fd fd fd
  0x0c0c80038d00: fd fd fd fd fa fa fa fa fd fd fd fd fd fd fd fa
  0x0c0c80038d10: fa fa fa fa fd fd fd fd fd fd fd fa fa fa fa fa
  0x0c0c80038d20: fd fd fd fd fd fd fd fd fa fa fa fa fd fd fd fd
Shadow byte legend (one shadow byte represents 8 application bytes):
  Addressable:           00
  Partially addressable: 01 02 03 04 05 06 07 
  Heap left redzone:       fa
  Heap right redzone:      fb
  Freed heap region:       fd
  Stack left redzone:      f1
  Stack mid redzone:       f2
  Stack right redzone:     f3
  Stack partial redzone:   f4
  Stack after return:      f5
  Stack use after scope:   f8
  Global redzone:          f9
  Global init order:       f6
  Poisoned by user:        f7
  Container overflow:      fc
  Array cookie:            ac
  Intra object redzone:    bb
  ASan internal:           fe
  Left alloca redzone:     ca
  Right alloca redzone:    cb
==4993==ABORTING

[ no debug trace ]

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