[Bug] Floating point exception - reported in Tcpreplay mailing list

[fklassen]

Floating point exception:

VirtualBox:~/$ cat /etc/os-release
NAME="Ubuntu"
VERSION="20.04.2 LTS (Focal Fossa)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 20.04.2 LTS"
VERSION_ID="20.04"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=focal
UBUNTU_CODENAME=focal

To Reproduce

VirtualBox:~/$ sudo tcpreplay --version
tcpreplay version: 4.3.2 (build git:v4.3.2) (debug)
Copyright 2013-2018 by Fred Klassen - AppNeta
Copyright 2000-2012 by Aaron Turner
The entire Tcpreplay Suite is licensed under the GPLv3
Cache file supported: 04
Not compiled with libdnet.
Compiled against libpcap: 1.9.1
64 bit packet counters: enabled
Verbose printing via tcpdump: enabled
Packet editing: disabled
Fragroute engine: disabled
Injection method: PF_PACKET send()
Not compiled with netmap

VirtualBox:~/$ sudo tcpreplay -v -d 5 -i enp0s3 -pps=100 --loop 5000 webcaster_data.pcap
DEBUG1 in sendpacket.c:sendpacket_open_pf() line 888: sendpacket: using PF_PACKET
DEBUG5 in utils.c:_our_safe_malloc() line 60: Malloc'd 1248 bytes in sendpacket.c:sendpacket_open_pf() line 963
DEBUG5 in tcpdump.c:tcpdump_open() line 219: Opening tcpdump debug file: tcpdump.debug
DEBUG2 in tcpdump.c:tcpdump_open() line 229: Prepping tcpdump options...
DEBUG2 in tcpdump.c:tcpdump_fill_in_options() line 372: [child] Will execute: tcpdump -n -l -r -
DEBUG5 in utils.c:_our_safe_malloc() line 60: Malloc'd 3 bytes in tcpdump.c:tcpdump_fill_in_options() line 380
DEBUG5 in utils.c:_our_safe_malloc() line 60: Malloc'd 3 bytes in tcpdump.c:tcpdump_fill_in_options() line 394
DEBUG5 in utils.c:_our_safe_malloc() line 60: Malloc'd 3 bytes in tcpdump.c:tcpdump_fill_in_options() line 394
DEBUG2 in tcpdump.c:tcpdump_open() line 232: Starting tcpdump...
DEBUG2 in tcpdump.c:tcpdump_open() line 242: tcpdump pid: 20184
DEBUG2 in tcpdump.c:tcpdump_open() line 248: [parent] closing child read/write fd 8/7
DEBUG2 in send_packets.c:send_packets() line 539: packet 1 caplen 932
DEBUG4 in send_packets.c:send_packets() line 584: This packet time: 1618236067s 66264usec
DEBUG2 in tcpdump.c:tcpdump_open() line 242: tcpdump pid: 0
DEBUG2 in tcpdump.c:tcpdump_open() line 270: [child] started the kid
DEBUG2 in tcpdump.c:tcpdump_open() line 287: [child] closing in fds 8/7/6/9
DEBUG2 in tcpdump.c:tcpdump_open() line 295: [child] Exec'ing tcpdump...
reading from file -, link-type LINUX_SLL (Linux cooked v1)
DEBUG4 in tcpdump.c:tcpdump_print() line 188: read 83 byte from tcpdump
07:01:07.1618236067 IP 192.168.99.100.45827 > 192.168.99.101.3939: UDP, length 888
DEBUG2 in send_packets.c:send_packets() line 641: Sending packet #1
DEBUG2 in send_packets.c:send_packets() line 539: packet 2 caplen 932
DEBUG4 in send_packets.c:send_packets() line 584: This packet time: 1618236067s 76256usec
Floating point exception

System (please complete the following information):

• OS: Ubuntu in Virtual Box
• OS version: 20.04.02
• Tcpreplay Version 4.3.2

[fklassen]

This is most likely a duplicate of #679 which had an invalid calculation when using --pps with long-running executions. Fix available in 4.4.0.