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From: bugzilla@dpdk.org
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Subject: [Bug 1255] [asan] net/mlx5: memory leak on port cleanup
Date: Tue, 20 Jun 2023 11:09:48 +0000
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--16872593880.4E6e50E8.2154049
Date: Tue, 20 Jun 2023 13:09:47 +0200
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https://bugs.dpdk.org/show_bug.cgi?id=3D1255

            Bug ID: 1255
           Summary: [asan] net/mlx5: memory leak on port cleanup
           Product: DPDK
           Version: unspecified
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: other
          Assignee: dev@dpdk.org
          Reporter: david.marchand@redhat.com
  Target Milestone: ---

This is something I caught on RHEL 9.2 but it might be generic:

# rm -rf build; meson setup build
-Denable_drivers=3Dbus/auxiliary,common/mlx5,net/mlx5 -Ddisable_libs=3D*
-Denable_apps=3Dtest-pmd -Dbuildtype=3Ddebug -Ddeveloper_mode=3Ddisabled
-Db_sanitize=3Daddress -Dtests=3Dfalse -Dexamples=3D
...
# ninja -C build
...
# lspci | grep Ethernet.*Mellanox
98:00.0 Ethernet controller: Mellanox Technologies MT2892 Family [ConnectX-6
Dx]
98:00.1 Ethernet controller: Mellanox Technologies MT2892 Family [ConnectX-6
Dx]
98:00.2 Ethernet controller: Mellanox Technologies ConnectX Family mlx5Gen
Virtual Function
98:01.2 Ethernet controller: Mellanox Technologies ConnectX Family mlx5Gen
Virtual Function

# echo quit | ASAN_OPTIONS=3D"use_sigaltstack=3D0" ./build/app/dpdk-testpmd=
 -a
0000:98:00.0 -- -ia

...

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
=3D=3D135295=3D=3DERROR: LeakSanitizer: detected memory leaks

Direct leak of 80 byte(s) in 1 object(s) allocated from:
    #0 0x7f14054b4bd7 in calloc (/lib64/libasan.so.6+0xb4bd7)
    #1 0x7f1405e5ec6c in dr_action_create_generic
../providers/mlx5/dr_action.c:1009
    #2 0x294135e in mlx5_flow_os_create_flow_action_dest_devx_tir
../drivers/net/mlx5/linux/mlx5_flow_os.h:409
    #3 0x294b3e7 in mlx5_devx_hrxq_new ../drivers/net/mlx5/mlx5_devx.c:924
    #4 0x294cb13 in mlx5_devx_drop_action_create
../drivers/net/mlx5/mlx5_devx.c:1169
    #5 0xec0f50 in mlx5_drop_action_create ../drivers/net/mlx5/mlx5_rxq.c:3=
101
    #6 0x2c62d99 in mlx5_dev_spawn ../drivers/net/mlx5/linux/mlx5_os.c:1556
    #7 0x2c68fb2 in mlx5_os_pci_probe_pf
../drivers/net/mlx5/linux/mlx5_os.c:2348
    #8 0x2c6a4b1 in mlx5_os_pci_probe ../drivers/net/mlx5/linux/mlx5_os.c:2=
497
    #9 0x2c6b08e in mlx5_os_net_probe ../drivers/net/mlx5/linux/mlx5_os.c:2=
578
    #10 0xc6afff in drivers_probe ../drivers/common/mlx5/mlx5_common.c:937
    #11 0xc6b6a6 in mlx5_common_dev_probe
../drivers/common/mlx5/mlx5_common.c:1027
    #12 0xc8ad0a in mlx5_common_pci_probe
../drivers/common/mlx5/mlx5_common_pci.c:168
    #13 0xc1e3fa in rte_pci_probe_one_driver
../drivers/bus/pci/pci_common.c:312
    #14 0xc1eadb in pci_probe_all_drivers ../drivers/bus/pci/pci_common.c:3=
96
    #15 0xc1eb82 in pci_probe ../drivers/bus/pci/pci_common.c:423
    #16 0xb72d22 in rte_bus_probe ../lib/eal/common/eal_common_bus.c:78
    #17 0xbe317e in rte_eal_init ../lib/eal/linux/eal.c:1300
    #18 0x5e80a0 in main ../app/test-pmd/testpmd.c:4515
    #19 0x7f140503feaf in __libc_start_call_main
../sysdeps/nptl/libc_start_call_main.h:58

SUMMARY: AddressSanitizer: 80 byte(s) leaked in 1 allocation(s).

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--16872593880.4E6e50E8.2154049
Date: Tue, 20 Jun 2023 13:09:48 +0200
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<html>
    <head>
      <base href=3D"https://bugs.dpdk.org/">
    </head>
    <body><table border=3D"1" cellspacing=3D"0" cellpadding=3D"8" class=3D"=
bz_new_table">
        <tr>
          <th>Bug ID</th>
          <td><a class=3D"bz_bug_link=20
          bz_status_UNCONFIRMED "
   title=3D"UNCONFIRMED - [asan] net/mlx5: memory leak on port cleanup"
   href=3D"https://bugs.dpdk.org/show_bug.cgi?id=3D1255">1255</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[asan] net/mlx5: memory leak on port cleanup
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>DPDK
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>All
          </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>other
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>dev&#64;dpdk.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>david.marchand&#64;redhat.com
          </td>
        </tr>

        <tr>
          <th>Target Milestone</th>
          <td>---
          </td>
        </tr></table>
      <p>
        <div class=3D"bz_comment_block">
          <pre class=3D"bz_comment_text">This is something I caught on RHEL=
 9.2 but it might be generic:

# rm -rf build; meson setup build
-Denable_drivers=3Dbus/auxiliary,common/mlx5,net/mlx5 -Ddisable_libs=3D*
-Denable_apps=3Dtest-pmd -Dbuildtype=3Ddebug -Ddeveloper_mode=3Ddisabled
-Db_sanitize=3Daddress -Dtests=3Dfalse -Dexamples=3D
...
# ninja -C build
...
# lspci | grep Ethernet.*Mellanox
98:00.0 Ethernet controller: Mellanox Technologies MT2892 Family [ConnectX-6
Dx]
98:00.1 Ethernet controller: Mellanox Technologies MT2892 Family [ConnectX-6
Dx]
98:00.2 Ethernet controller: Mellanox Technologies ConnectX Family mlx5Gen
Virtual Function
98:01.2 Ethernet controller: Mellanox Technologies ConnectX Family mlx5Gen
Virtual Function

# echo quit | ASAN_OPTIONS=3D&quot;use_sigaltstack=3D0&quot; ./build/app/dp=
dk-testpmd -a
0000:98:00.0 -- -ia

...

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
=3D=3D135295=3D=3DERROR: LeakSanitizer: detected memory leaks

Direct leak of 80 byte(s) in 1 object(s) allocated from:
    #0 0x7f14054b4bd7 in calloc (/lib64/libasan.so.6+0xb4bd7)
    #1 0x7f1405e5ec6c in dr_action_create_generic
../providers/mlx5/dr_action.c:1009
    #2 0x294135e in mlx5_flow_os_create_flow_action_dest_devx_tir
../drivers/net/mlx5/linux/mlx5_flow_os.h:409
    #3 0x294b3e7 in mlx5_devx_hrxq_new ../drivers/net/mlx5/mlx5_devx.c:924
    #4 0x294cb13 in mlx5_devx_drop_action_create
../drivers/net/mlx5/mlx5_devx.c:1169
    #5 0xec0f50 in mlx5_drop_action_create ../drivers/net/mlx5/mlx5_rxq.c:3=
101
    #6 0x2c62d99 in mlx5_dev_spawn ../drivers/net/mlx5/linux/mlx5_os.c:1556
    #7 0x2c68fb2 in mlx5_os_pci_probe_pf
../drivers/net/mlx5/linux/mlx5_os.c:2348
    #8 0x2c6a4b1 in mlx5_os_pci_probe ../drivers/net/mlx5/linux/mlx5_os.c:2=
497
    #9 0x2c6b08e in mlx5_os_net_probe ../drivers/net/mlx5/linux/mlx5_os.c:2=
578
    #10 0xc6afff in drivers_probe ../drivers/common/mlx5/mlx5_common.c:937
    #11 0xc6b6a6 in mlx5_common_dev_probe
../drivers/common/mlx5/mlx5_common.c:1027
    #12 0xc8ad0a in mlx5_common_pci_probe
../drivers/common/mlx5/mlx5_common_pci.c:168
    #13 0xc1e3fa in rte_pci_probe_one_driver
../drivers/bus/pci/pci_common.c:312
    #14 0xc1eadb in pci_probe_all_drivers ../drivers/bus/pci/pci_common.c:3=
96
    #15 0xc1eb82 in pci_probe ../drivers/bus/pci/pci_common.c:423
    #16 0xb72d22 in rte_bus_probe ../lib/eal/common/eal_common_bus.c:78
    #17 0xbe317e in rte_eal_init ../lib/eal/linux/eal.c:1300
    #18 0x5e80a0 in main ../app/test-pmd/testpmd.c:4515
    #19 0x7f140503feaf in __libc_start_call_main
../sysdeps/nptl/libc_start_call_main.h:58

SUMMARY: AddressSanitizer: 80 byte(s) leaked in 1 allocation(s).
          </pre>
        </div>
      </p>


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