Description of problem:

Various number of core files generated while testing "fabtests" on CXGB4 iWARP device. One time it generated cores from almost all fi_xxxxx test modules.
However, when ran all by itself, it generated 2 cores from "/usr/bin/fi_multi_ep" as shown below.

Version-Release number of selected component (if applicable):

Clients: rdma-dev-13
Servers: rdma-dev-12

DISTRO=RHEL-9.3.0-20230603.0

+ [23-06-03 21:02:07] cat /etc/redhat-release
Red Hat Enterprise Linux release 9.3 Beta (Plow)

+ [23-06-03 21:02:07] uname -a
Linux rdma-dev-13.rdma.lab.eng.rdu2.redhat.com 5.14.0-319.el9.x86_64 #1 SMP PREEMPT_DYNAMIC Fri May 26 17:01:24 EDT 2023 x86_64 x86_64 x86_64 GNU/Linux

+ [23-06-03 21:02:07] cat /proc/cmdline
BOOT_IMAGE=(hd0,msdos1)/vmlinuz-5.14.0-319.el9.x86_64 root=UUID=ecc06464-c7cf-4df9-a3f6-5fd58052088c ro intel_idle.max_cstate=0 intremap=no_x2apic_optout processor.max_cstate=0 console=tty0 rd_NO_PLYMOUTH crashkernel=1G-4G:192M,4G-64G:256M,64G-:512M resume=UUID=47223275-b449-4a4b-aafe-ce865e8572e1 console=ttyS1,115200n81

+ [23-06-03 21:02:07] rpm -q rdma-core linux-firmware
rdma-core-46.0-1.el9.x86_64
linux-firmware-20230404-134.el9.noarch

+ [23-06-03 21:02:07] tail /sys/class/infiniband/cxgb4_0/fw_ver
1.27.1.0

+ [23-06-03 21:02:07] lspci
+ [23-06-03 21:02:07] grep -i -e ethernet -e infiniband -e omni -e ConnectX
03:00.0 Ethernet controller: Broadcom Inc. and subsidiaries NetXtreme BCM5717 Gigabit Ethernet PCIe (rev 10)
03:00.1 Ethernet controller: Broadcom Inc. and subsidiaries NetXtreme BCM5717 Gigabit Ethernet PCIe (rev 10)
05:00.0 Ethernet controller: Chelsio Communications Inc T62100-LP-CR Unified Wire Ethernet Controller
05:00.1 Ethernet controller: Chelsio Communications Inc T62100-LP-CR Unified Wire Ethernet Controller
05:00.2 Ethernet controller: Chelsio Communications Inc T62100-LP-CR Unified Wire Ethernet Controller
05:00.3 Ethernet controller: Chelsio Communications Inc T62100-LP-CR Unified Wire Ethernet Controller
05:00.4 Ethernet controller: Chelsio Communications Inc T62100-LP-CR Unified Wire Ethernet Controller

How reproducible:

Steps to Reproduce:
1./usr/bin/runfabtests.sh -T 20 -vvv -t all '"net"' 172.31.50.112 172.31.50.113
2.
3.

Actual results:

Running python As root:
TIME PID UID GID SIG COREFILE EXE SIZE
Sat 2023-06-03 21:57:03 EDT 122782 0 0 SIGABRT present /usr/bin/fi_multi_ep 613.2K
Sun 2023-06-04 01:36:24 EDT 215447 0 0 SIGABRT present /usr/bin/fi_multi_ep 609.1K
total 1236
rw-r----. 1 root root 627993 Jun 3 21:57 core.fi_multi_ep.0.79b0c3468edb44bba50875b07d02ae25.122782.1685843821000000.zst
rw-r----. 1 root root 623766 Jun 4 01:36 core.fi_multi_ep.0.79b0c3468edb44bba50875b07d02ae25.215447.1685856982000000.zst
Red Hat Enterprise Linux release 9.3 Beta (Plow)

Expected results:

No core files generated

Additional info: