https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7266
--- Comment #9 from Jakub Zawadzki <darkjames-ws@xxxxxxxxxxxx> 2012-07-30 09:34:57 PDT ---
Hi,
If you try to save ERF file in pcapng libwiretap will SIGFPE inside
pcapng_write_enhanced_packet_block()
Program received signal SIGFPE, Arithmetic exception.
0x00007f54d37d54f4 in pcapng_write_enhanced_packet_block (wdh=0x36055f0,
phdr=0x7fffab4fc280, pseudo_header=0x7fffab50c3a0, pd=0x7fffab4fc3a0 "",
err=0x7fffab4fc27c)
at pcapng.c:3172
3172 (phdr->ts.nsecs /
(1000000000/int_data.time_units_per_second));
(gdb) print int_data.time_units_per_second
$1 = 4294967296 ; (1LL << 32)
(gdb) print 1000000000/int_data.time_units_per_second
$2 = 0
(gdb) bt
#0 0x00007f54d37d54f4 in pcapng_write_enhanced_packet_block (wdh=0x36055f0,
phdr=0x7fffab4fc280, pseudo_header=0x7fffab50c3a0, pd=0x7fffab4fc3a0 "",
err=0x7fffab4fc27c)
at pcapng.c:3172
#1 0x00007f54d37d5cb0 in pcapng_dump (wdh=0x36055f0, phdr=0x7fffab4fc280,
pseudo_header=0x7fffab50c3a0, pd=0x7fffab4fc3a0 "", err=0x7fffab4fc27c) at
pcapng.c:3403
#2 0x00007f54d37ae0dc in wtap_dump (wdh=0x36055f0, phdr=0x7fffab4fc280,
pseudo_header=0x7fffab50c3a0, pd=0x7fffab4fc3a0 "", err=0x7fffab4fc27c) at
file_access.c:1351
#3 0x0000000000442c32 in save_packet ()
It can be also reproduced with editcap:
$ editcap /tmp/64byte-ethernet-udp-4interfaces.erf a.pcap
Floating point exception
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