Wireshark · Wireshark-bugs: [Wireshark-bugs] [Bug 12886] New: Buildbot crash output: fuzz-2016-09-11-21126.pcap

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Bug ID	12886
Summary	Buildbot crash output: fuzz-2016-09-11-21126.pcap
Product	Wireshark
Version	unspecified
Hardware	x86-64
URL	https://www.wireshark.org/download/automated/captures/fuzz-2016-09-11-21126.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-2016-09-11-21126.pcap

stderr:
Input file: /home/wireshark/menagerie/menagerie/9186-avrcp.log

Build host information:
Linux wsbb04 4.4.0-34-generic #53-Ubuntu SMP Wed Jul 27 16:06:39 UTC 2016
x86_64 x86_64 x86_64 GNU/Linux
Distributor ID:    Ubuntu
Description:    Ubuntu 16.04.1 LTS
Release:    16.04
Codename:    xenial

Buildbot information:
BUILDBOT_REPOSITORY=ssh://wireshark-buildbot@code.wireshark.org:29418/wireshark
BUILDBOT_WORKERNAME=clang-code-analysis
BUILDBOT_BUILDNUMBER=3685
BUILDBOT_URL=http://buildbot.wireshark.org/wireshark-master/
BUILDBOT_BUILDERNAME=Clang Code Analysis
BUILDBOT_GOT_REVISION=8629e60922e226665832f19aa698c8aff41eacef

Return value:  1

Dissector bug:  0

Valgrind error count:  0



Git commit
commit 8629e60922e226665832f19aa698c8aff41eacef
Author: Guy Harris <guy@alum.mit.edu>
Date:   Sun Sep 11 13:48:35 2016 -0700

    More signed vs. unsigned argument cleanups.

    Use the get.*guint32 routines to get unsigned values.

    Change-Id: I75e83b2d21bdf08c7c995e36e4deb3b1c6d6959d
    Reviewed-on: https://code.wireshark.org/review/17651
    Reviewed-by: Guy Harris <guy@alum.mit.edu>


=================================================================
==5371==ERROR: AddressSanitizer: global-buffer-overflow on address
0x7fdf36c00b26 at pc 0x00000049478d bp 0x7ffdf8bfebd0 sp 0x7ffdf8bfe380
READ of size 7 at 0x7fdf36c00b26 thread T0
    #0 0x49478c 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/bin/tshark+0x49478c)
    #1 0x7fdf352f40ed 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x7bf30ed)
    #2 0x7fdf352ea1e5 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x7be91e5)
    #3 0x7fdf34fe677c 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x78e577c)
    #4 0x7fdf34fe45ec 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x78e35ec)
    #5 0x7fdf352aefe6 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x7badfe6)
    #6 0x7fdf34fe677c 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x78e577c)
    #7 0x7fdf34fe644a 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x78e544a)
    #8 0x7fdf3567eb41 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x7f7db41)
    #9 0x7fdf34fe677c 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x78e577c)
    #10 0x7fdf34fe644a 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x78e544a)
    #11 0x7fdf35246119 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x7b45119)
    #12 0x7fdf34fe677c 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x78e577c)
    #13 0x7fdf34fe644a 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x78e544a)
    #14 0x7fdf3558fbbf 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x7e8ebbf)
    #15 0x7fdf34fe677c 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x78e577c)
    #16 0x7fdf34fe45ec 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x78e35ec)
    #17 0x7fdf34fe3dba 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x78e2dba)
    #18 0x7fdf34fc9fae 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x78c8fae)
    #19 0x50e664 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/bin/tshark+0x50e664)
    #20 0x508d35 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/bin/tshark+0x508d35)
    #21 0x7fdf2afb982f  (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)
    #22 0x4232d8 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/bin/tshark+0x4232d8)

0x7fdf36c00b26 is located 58 bytes to the left of global variable '<string
literal>' defined in 'packet-bluetooth.c:106:17' (0x7fdf36c00b60) of size 42
  '<string literal>' is ascii string 'Service Discovery Server Service Class
ID'
0x7fdf36c00b26 is located 0 bytes to the right of global variable '<string
literal>' defined in 'packet-bluetooth.c:104:17' (0x7fdf36c00b20) of size 6
  '<string literal>' is ascii string 'L2CAP'
SUMMARY: AddressSanitizer: global-buffer-overflow
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/bin/tshark+0x49478c) 
Shadow bytes around the buggy address:
  0x0ffc66d78110: f9 f9 f9 f9 05 f9 f9 f9 f9 f9 f9 f9 00 00 00 01
  0x0ffc66d78120: f9 f9 f9 f9 00 00 06 f9 f9 f9 f9 f9 00 00 06 f9
  0x0ffc66d78130: f9 f9 f9 f9 06 f9 f9 f9 f9 f9 f9 f9 06 f9 f9 f9
  0x0ffc66d78140: f9 f9 f9 f9 05 f9 f9 f9 f9 f9 f9 f9 00 04 f9 f9
  0x0ffc66d78150: f9 f9 f9 f9 00 00 05 f9 f9 f9 f9 f9 00 00 02 f9
=>0x0ffc66d78160: f9 f9 f9 f9[06]f9 f9 f9 f9 f9 f9 f9 00 00 00 00
  0x0ffc66d78170: 00 02 f9 f9 f9 f9 f9 f9 00 00 00 00 00 01 f9 f9
  0x0ffc66d78180: f9 f9 f9 f9 00 00 04 f9 f9 f9 f9 f9 00 04 f9 f9
  0x0ffc66d78190: f9 f9 f9 f9 00 00 05 f9 f9 f9 f9 f9 00 00 02 f9
  0x0ffc66d781a0: f9 f9 f9 f9 00 02 f9 f9 f9 f9 f9 f9 00 00 01 f9
  0x0ffc66d781b0: f9 f9 f9 f9 00 00 03 f9 f9 f9 f9 f9 00 00 02 f9
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
==5371==ABORTING

[ no debug trace ]

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