Wireshark · Wireshark-bugs: [Wireshark-bugs] [Bug 9014] crashes with option "-z io, stat, ..." in the presence of negative relat

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Comment # 3 on bug 9014 from Cal Turney

(In reply to comment #2)
> (gdb) bt
#0  0x00007ffff0bd8c60 in malloc () from /lib64/libc.so.6
#1 
> 0x00007ffff23c6f09 in g_malloc () from /usr/lib64/libglib-2.0.so.0
#2 
> 0x0000000000427372 in iostat_packet (arg=0x15d3420, pinfo=0x7fffffffd5d0,
> edt=0x7fffffffd5b8, dummy=0x0) at tap-iostat.c:128
#3  0x00007ffff46915fc in
> tap_push_tapped_queue () from /tmp/wireshark/epan/.libs/libwireshark.so.0
> 126         rt = relative_time;
127         while (rt >= it->time +
> parent->interval) {
128             it->next = (io_stat_item_t
> *)g_malloc(sizeof(io_stat_item_t));
129             it->next->prev = it;
130
> it->next->next = NULL;
131             it = it->next;

(gdb) print rt
$1 =
> 18446744073708551616
(gdb) print (signed long long) rt
$2 = -1000000
(gdb)
> print /x rt
$3 = 0xfffffffffff0bdc0
(gdb) print /x it->time 
$4 =
> 0x329af97f9aca0d

Cal, can you take a look?
I don't even know how iostat
> should work with negative deltas ;/

Jakub, I sure will. I've been meaning to look at the how negative deltas should
be handled anyway.

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