Wireshark · Wireshark-bugs: [Wireshark-bugs] [Bug 12917] New: Buildbot crash output: fuzz-2016-09-17-13908.pcap

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Bug ID	12917
Summary	Buildbot crash output: fuzz-2016-09-17-13908.pcap
Product	Wireshark
Version	unspecified
Hardware	x86-64
URL	https://www.wireshark.org/download/automated/captures/fuzz-2016-09-17-13908.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-2016-09-17-13908.pcap

stderr:
Input file: /home/wireshark/menagerie/menagerie/11007-packet-loss.pcap

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=3693
BUILDBOT_URL=http://buildbot.wireshark.org/wireshark-master/
BUILDBOT_BUILDERNAME=Clang Code Analysis
BUILDBOT_GOT_REVISION=983a9691a9ec18e29f045300dbb6d664c9da1635

Return value:  1

Dissector bug:  0

Valgrind error count:  0



Git commit
commit 983a9691a9ec18e29f045300dbb6d664c9da1635
Author: Martin Kaiser <wireshark@kaiser.cx>
Date:   Sat Sep 17 19:10:35 2016 +0200

    eap: (trivial) reformat a comment

    Change-Id: I2c8a8066f1591004ace6362e24be57b6cec747d1
    Reviewed-on: https://code.wireshark.org/review/17762
    Reviewed-by: Martin Kaiser <wireshark@kaiser.cx>


=================================================================
==19964==ERROR: AddressSanitizer: stack-buffer-overflow on address
0x7ffe14d852b1 at pc 0x000000440f03 bp 0x7ffe14d84fb0 sp 0x7ffe14d84760
READ of size 7 at 0x7ffe14d852b1 thread T0
    #0 0x440f02 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/bin/tshark+0x440f02)
    #1 0x7f96514ee4f2  (/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x684f2)
    #2 0x7f9659806dd3 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x7a04dd3)
    #3 0x7f965973aba7 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x7938ba7)
    #4 0x7f965973b0ea 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x79390ea)
    #5 0x7f9659c1b561 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x7e19561)
    #6 0x7f96596f583c 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x78f383c)
    #7 0x7f96596f36ac 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x78f16ac)
    #8 0x7f964a185882 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/wireshark/plugins/2.3.0/wimax.so+0x138882)
    #9 0x7f964a1720a3 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/wireshark/plugins/2.3.0/wimax.so+0x1250a3)
    #10 0x7f96596f583c 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x78f383c)
    #11 0x7f96596f5b08 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x78f3b08)
    #12 0x7f964a1664c4 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/wireshark/plugins/2.3.0/wimax.so+0x1194c4)
    #13 0x7f96596f583c 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x78f383c)
    #14 0x7f96596f36ac 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x78f16ac)
    #15 0x7f964a16496f 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/wireshark/plugins/2.3.0/wimax.so+0x11796f)
    #16 0x7f96596f583c 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x78f383c)
    #17 0x7f96596f36ac 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x78f16ac)
    #18 0x7f964a1621a2 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/wireshark/plugins/2.3.0/wimax.so+0x1151a2)
    #19 0x7f96596f583c 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x78f383c)
    #20 0x7f96596f36ac 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x78f16ac)
    #21 0x7f964a4ebac0 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/wireshark/plugins/2.3.0/m2m.so+0x6ac0)
    #22 0x7f96596f583c 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x78f383c)
    #23 0x7f96596f5b08 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x78f3b08)
    #24 0x7f9659c597c8 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x7e577c8)
    #25 0x7f96596f583c 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x78f383c)
    #26 0x7f96596f36ac 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x78f16ac)
    #27 0x7f9659c57dd8 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x7e55dd8)
    #28 0x7f9659c56700 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x7e54700)
    #29 0x7f96596f583c 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x78f383c)
    #30 0x7f96596f550a 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x78f350a)
    #31 0x7f9659ca173f 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x7e9f73f)
    #32 0x7f96596f583c 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x78f383c)
    #33 0x7f96596f36ac 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x78f16ac)
    #34 0x7f96596f2e7a 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x78f0e7a)
    #35 0x7f96596d906e 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x78d706e)
    #36 0x50ea04 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/bin/tshark+0x50ea04)
    #37 0x5090d5 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/bin/tshark+0x5090d5)
    #38 0x7f964f6ba82f  (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)
    #39 0x423328 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/bin/tshark+0x423328)

Address 0x7ffe14d852b1 is located in stack of thread T0 at offset 49 in frame
    #0 0x7f9659c1ad3f 
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/lib/libwireshark.so.0+0x7e18d3f)

  This frame has 3 object(s):
    [32, 33) 'eap_identity_prefix.i'
    [48, 49) 'eap_identity_prefix' <== Memory access at offset 49 overflows
this variable
    [64, 72) 'frag_tree_item'
HINT: this may be a false positive if your program uses some custom stack
unwind mechanism or swapcontext
      (longjmp and C++ exceptions *are* supported)
SUMMARY: AddressSanitizer: stack-buffer-overflow
(/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/bin/tshark+0x440f02) 
Shadow bytes around the buggy address:
  0x1000429a8a00: f1 f1 f1 f1 04 f2 04 f3 00 00 00 00 00 00 00 00
  0x1000429a8a10: 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1
  0x1000429a8a20: 00 00 00 f3 f3 f3 f3 f3 00 00 00 00 00 00 00 00
  0x1000429a8a30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x1000429a8a40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
=>0x1000429a8a50: f1 f1 f1 f1 01 f2[01]f2 00 f3 f3 f3 00 00 00 00
  0x1000429a8a60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x1000429a8a70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x1000429a8a80: 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1
  0x1000429a8a90: 00 04 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00
  0x1000429a8aa0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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
==19964==ABORTING

[ no debug trace ]

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