Wireshark-bugs: [Wireshark-bugs] [Bug 7811] Buildbot crash output: fuzz-2012-10-08-16394.pcap
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Mon, 8 Oct 2012 13:54:54 -0700 (PDT)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7811

--- Comment #2 from Martin Kaiser <wireshark@xxxxxxxxx> 2012-10-08 13:54:54 PDT ---
./tshark -r ~/tmp/fuzz-2012-10-08-16394.pcap

is ok, but ...

martin@greta:~/src/wireshark.svn_write$ ./tools/fuzz-test.sh
~/tmp/fuzz-2012-10-08-16394.pcap
Running ./tshark with args: "-nVxr" "-nr" (forever)

Starting pass 1:
    /home/martin/tmp/fuzz-2012-10-08-16394.pcap: (-nVxr) ./tools/fuzz-test.sh:
line 259: 31168 Aborted                 (core dumped) "$RUNNER" $ARGS
$TMP_DIR/$TMP_FILE > /dev/null 2>> $TMP_DIR/$ERR_FILE

 ERROR
Processing failed. Capture info follows:

  Input file: /home/martin/tmp/fuzz-2012-10-08-16394.pcap


reliably crashes on the first iteration

#0  0x00007fb78e20f1b5 in raise () from /lib/libc.so.6
(gdb) bt
#0  0x00007fb78e20f1b5 in raise () from /lib/libc.so.6
#1  0x00007fb78e211fc0 in abort () from /lib/libc.so.6
#2  0x00007fb7904666aa in unhandled_catcher (except=<value optimized out>)
    at except.c:233
#3  0x00007fb7904668ac in do_throw (except=0x7fff4e79e620) at except.c:218
#4  0x00007fb790466913 in except_throw (group=<value optimized out>, 
    code=31168, msg=0x6 <Address 0x6 out of bounds>) at except.c:295
#5  0x00007fb790464951 in emem_create_chunk (size=10485760) at emem.c:660
#6  0x00007fb790465332 in emem_create_chunk_gp (size=<value optimized out>)
    at emem.c:706
#7  0x00007fb7904655be in emem_alloc_chunk (size=<value optimized out>, 
    mem=<value optimized out>) at emem.c:801
#8  0x00007fb7904636e7 in emem_alloc (size=31168, mem=0x79c0) at emem.c:859
#9  0x00007fb790499638 in bytes_to_str (
    bd=0x7fb790ef94e0
"\373\345\a\337\345\346\252Z\362\253\271\024Ϊ\005\371\234\346\033\245",
bd_len=6) at to_str.c:198
#10 0x00007fb79048d150 in sigcomp_init_udvm () at sigcomp_state_hdlr.c:633
#11 0x00007fb78ee877dc in g_slist_foreach () from /lib/libglib-2.0.so.0
#12 0x00007fb7904714b8 in cleanup_dissection () at packet.c:163
#13 0x00007fb7904662e9 in epan_cleanup () at epan.c:115
#14 0x000000000041b6df in main (argc=3, argv=<value optimized out>)
    at tshark.c:1902


I played around a bit, the problem must have been introduced between r45388 and
r45396.

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