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<base href="https://bugs.dpdk.org/">
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<body><table border="1" cellspacing="0" cellpadding="8" class="bz_new_table">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_UNCONFIRMED "
title="UNCONFIRMED - [dpdk-22.03][asan][mlx5]: detected memory leaks when detach and attach device"
href="https://bugs.dpdk.org/show_bug.cgi?id=1192">1192</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[dpdk-22.03][asan][mlx5]: detected memory leaks when detach and attach device
</td>
</tr>
<tr>
<th>Product</th>
<td>DPDK
</td>
</tr>
<tr>
<th>Version</th>
<td>23.03
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<th>Status</th>
<td>UNCONFIRMED
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>Normal
</td>
</tr>
<tr>
<th>Component</th>
<td>ethdev
</td>
</tr>
<tr>
<th>Assignee</th>
<td>dev@dpdk.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>kuka@cesnet.cz
</td>
</tr>
<tr>
<th>Target Milestone</th>
<td>---
</td>
</tr></table>
<p>
<div class="bz_comment_block">
<pre class="bz_comment_text">[DPDK version]
commit baf13c3135d0c5998fff7edc23fb89412dc89246 (HEAD, tag: v23.03-rc2)
Author: Thomas Monjalon <<a href="mailto:thomas@monjalon.net">thomas@monjalon.net</a>>
Date: Sun Mar 12 15:44:17 2023 +0100
version: 23.03-rc2
Signed-off-by: Thomas Monjalon <<a href="mailto:thomas@monjalon.net">thomas@monjalon.net</a>>
VERSION | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
[OS version]
Operating System: Oracle Linux Server 8.7
Kernel: Linux 4.18.0-348.12.2.el8_5.x86_64
Architecture: x86-64
[DPDK build]
CC=gcc meson -Db_sanitize=address -Db_sanitize-recover=address build
ninja -C build
[Network devices]
0000:c4:00.0 'MT2892 Family [ConnectX-6 Dx] 101d' if=ens3f0np0 drv=mlx5_core
unused=
[OFED version]
MLNX_OFED_LINUX-5.7-1.0.2.0 (OFED-5.7-1.0.2):
[Reproduce in testpmd]
$ dpdk-testpmd -c f -n 4 -a 0000:c4:00.0 -- -i
EAL: Detected CPU lcores: 64
EAL: Detected NUMA nodes: 1
EAL: Detected static linkage of DPDK
EAL: Multi-process socket /var/run/dpdk/rte/mp_socket
EAL: Selected IOVA mode 'VA'
EAL: Probe PCI driver: mlx5_pci (15b3:101d) device: 0000:c4:00.0 (socket -1)
TELEMETRY: No legacy callbacks, legacy socket not created
Interactive-mode selected
Warning: NUMA should be configured manually by using --port-numa-config and
--ring-numa-config parameters along with --numa.
testpmd: create a new mbuf pool <mb_pool_0>: n=171456, size=2176, socket=0
testpmd: preferred mempool ops selected: ring_mp_mc
Warning! port-topology=paired and odd forward ports number, the last port will
pair with itself.
Configuring Port 0 (socket 0)
Port 0: 04:3F:72:C7:B8:88
Checking link statuses...
Done
testpmd> port stop 0
Stopping ports...
Checking link statuses...
Done
testpmd> port detach 0
Port was not closed
Removing a device...
Port 0 is closed
Device is detached
Now total ports is 0
Done
testpmd> port attach 0000:c4:00.0
Attaching a new port...
EAL: Probe PCI driver: mlx5_pci (15b3:101d) device: 0000:c4:00.0 (socket -1)
Port 0 is attached. Now total ports is 1
Done
testpmd> port start 0
Configuring Port 0 (socket 0)
Port 0: 04:3F:72:C7:B8:88
Checking link statuses...
Done
testpmd> port stop 0
Stopping ports...
Checking link statuses...
Done
testpmd> quit
Stopping port 0...
Stopping ports...
Done
Shutting down port 0...
Closing ports...
Port 0 is closed
Done
Bye...
=================================================================
==468463==ERROR: LeakSanitizer: detected memory leaks
Direct leak of 21408 byte(s) in 1 object(s) allocated from:
#0 0x7fda2f16ab77 in calloc (/lib64/libasan.so.6+0xb4b77)
#1 0x4cd3cee in mlx5_flow_push_thread_workspace
(/usr/local/bin/dpdk-testpmd+0x4cd3cee)
#2 0x4cddf8e in flow_list_create (/usr/local/bin/dpdk-testpmd+0x4cddf8e)
#3 0x4ceefbd in mlx5_flow_discover_mreg_c
(/usr/local/bin/dpdk-testpmd+0x4ceefbd)
#4 0x976d18 in mlx5_dev_spawn.cold (/usr/local/bin/dpdk-testpmd+0x976d18)
#5 0x51f86a8 in mlx5_os_pci_probe_pf
(/usr/local/bin/dpdk-testpmd+0x51f86a8)
#6 0x51fac13 in mlx5_os_net_probe (/usr/local/bin/dpdk-testpmd+0x51fac13)
#7 0x3e94f1f in mlx5_common_dev_probe
(/usr/local/bin/dpdk-testpmd+0x3e94f1f)
#8 0x61741a in pci_probe.cold (/usr/local/bin/dpdk-testpmd+0x61741a)
#9 0x3c75fa9 in rte_bus_probe (/usr/local/bin/dpdk-testpmd+0x3c75fa9)
#10 0x6056d7 in rte_eal_init.cold (/usr/local/bin/dpdk-testpmd+0x6056d7)
#11 0xb3e0fb in main (/usr/local/bin/dpdk-testpmd+0xb3e0fb)
#12 0x7fda2caddd84 in __libc_start_main (/lib64/libc.so.6+0x3ad84)
Direct leak of 128 byte(s) in 2 object(s) allocated from:
#0 0x7fda2f16ab77 in calloc (/lib64/libasan.so.6+0xb4b77)
#1 0x7fda2dddc3a6 in dr_action_create_generic (/lib64/libmlx5.so.1+0x1e3a6)
Direct leak of 32 byte(s) in 4 object(s) allocated from:
#0 0x7fda2f16ab77 in calloc (/lib64/libasan.so.6+0xb4b77)
#1 0x7fda2dde6fad in mlx5dv_dr_domain_create (/lib64/libmlx5.so.1+0x28fad)
Indirect leak of 32 byte(s) in 1 object(s) allocated from:
#0 0x7fda2f16ab77 in calloc (/lib64/libasan.so.6+0xb4b77)
#1 0x4cd3d09 in mlx5_flow_push_thread_workspace
(/usr/local/bin/dpdk-testpmd+0x4cd3d09)
#2 0x4cddf8e in flow_list_create (/usr/local/bin/dpdk-testpmd+0x4cddf8e)
#3 0x4ceefbd in mlx5_flow_discover_mreg_c
(/usr/local/bin/dpdk-testpmd+0x4ceefbd)
#4 0x976d18 in mlx5_dev_spawn.cold (/usr/local/bin/dpdk-testpmd+0x976d18)
#5 0x51f86a8 in mlx5_os_pci_probe_pf
(/usr/local/bin/dpdk-testpmd+0x51f86a8)
#6 0x51fac13 in mlx5_os_net_probe (/usr/local/bin/dpdk-testpmd+0x51fac13)
#7 0x3e94f1f in mlx5_common_dev_probe
(/usr/local/bin/dpdk-testpmd+0x3e94f1f)
#8 0x61741a in pci_probe.cold (/usr/local/bin/dpdk-testpmd+0x61741a)
#9 0x3c75fa9 in rte_bus_probe (/usr/local/bin/dpdk-testpmd+0x3c75fa9)
#10 0x6056d7 in rte_eal_init.cold (/usr/local/bin/dpdk-testpmd+0x6056d7)
#11 0xb3e0fb in main (/usr/local/bin/dpdk-testpmd+0xb3e0fb)
#12 0x7fda2caddd84 in __libc_start_main (/lib64/libc.so.6+0x3ad84)
SUMMARY: AddressSanitizer: 21600 byte(s) leaked in 8 allocation(s).
</pre>
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