Wireshark · Wireshark-bugs: [Wireshark-bugs] [Bug 8271] New: Seg fault in io graph when X axis is set too low

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Bug ID	8271
Summary	Seg fault in io graph when X axis is set too low
Classification	Unclassified
Product	Wireshark
Version	1.8.4
Hardware	x86-64
OS	Ubuntu
Status	UNCONFIRMED
Severity	Critical
Priority	Low
Component	Wireshark
Assignee	bugzilla-admin@wireshark.org
Reporter	strexxx@free.fr

Build Information:
wireshark 1.4.6

Copyright 1998-2011 Gerald Combs <gerald@wireshark.org> and contributors.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Compiled (64-bit) with GTK+ 2.24.4, with GLib 2.28.6, with libpcap 1.1.1, with
libz 1.2.3.4, with POSIX capabilities (Linux), without libpcre, with SMI 0.4.8,
with c-ares 1.7.3, with Lua 5.1, without Python, with GnuTLS 2.8.6, with Gcrypt
1.4.6, with MIT Kerberos, with GeoIP, with PortAudio V19-devel (built Mar 18
2011 15:49:34), without AirPcap.

Running on Linux 2.6.38-16-generic, with libpcap version 1.1.1, with libz
1.2.3.4, GnuTLS 2.8.6, Gcrypt 1.4.6.

Built using gcc 4.5.2.

--
Crashed after:
opening, io graph, advanced, with AVG tcp.analysis.bytes_in_flight and X axis
0.001 ...



strace gives on close


read(8,
"\0\30?R\33\211\0&\273\10s\334\10\0E\0\5\264\265Z@\0@\6}\5\0\0\0\0\204\343"...,
4096) = 4096
poll([{fd=3, events=POLLIN|POLLOUT}], 1, -1) = 1 ([{fd=3,
revents=POLLIN|POLLOUT}])
read(3,
"\34\0{\364'\f\300\0\376\0\0\0K\5\24\202\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
4096) = 128
writev(3, [{"\22\0\22\0'\f\300\0\376\0\0\0\32\1\0\0\10\4\5\0.\0\0\0007% of
Re"..., 288}, {NULL, 0}, {"", 0}], 3) = 288
read(3, 0x1244ec4, 4096)                = -1 EAGAIN (Resource temporarily
unavailable)
poll([{fd=4, events=POLLIN}, {fd=3, events=POLLIN}], 2, 0) = 0 (Timeout)
poll([{fd=4, events=POLLIN}, {fd=3, events=POLLIN}], 2, 0) = 0 (Timeout)
read(3, 0x1244ec4, 4096)                = -1 EAGAIN (Resource temporarily
unavailable)
--- SIGSEGV (Segmentation fault) @ 0 (0) ---
+++ killed by SIGSEGV +++
Segmentation fault

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