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Subject: [DPDK/ethdev Bug 1550] Use after free in E1000 driver
Date: Wed, 25 Sep 2024 16:31:16 +0000
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--17272818760.5cc80DcD.3554884
Date: Wed, 25 Sep 2024 18:31:16 +0200
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https://bugs.dpdk.org/show_bug.cgi?id=3D1550

            Bug ID: 1550
           Summary: Use after free in E1000 driver
           Product: DPDK
           Version: unspecified
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: major
          Priority: Normal
         Component: ethdev
          Assignee: dev@dpdk.org
          Reporter: stephen@networkplumber.org
  Target Milestone: ---

If function attributes are added to rte_malloc() Gcc will detect use after =
free
in e1000.

[1048/2957] Compiling C object
drivers/libtmp_rte_net_e1000.a.p/net_e1000_igb_ethdev.c.o
In file included from ../drivers/net/e1000/base/e1000_hw.h:8,
                 from ../drivers/net/e1000/base/e1000_api.h:8,
                 from ../drivers/net/e1000/igb_ethdev.c:28:
../drivers/net/e1000/igb_ethdev.c: In function =E2=80=98igb_delete_2tuple_f=
ilter=E2=80=99:
../drivers/net/e1000/igb_ethdev.c:3914:49: warning: pointer =E2=80=98filter=
=E2=80=99 used after
=E2=80=98rte_free=E2=80=99 [-Wuse-after-free]
 3914 |         E1000_WRITE_REG(hw, E1000_IMIREXT(filter->index), 0);
../drivers/net/e1000/base/e1000_osdep.h:76:48: note: in definition of macro
=E2=80=98E1000_PCI_REG_WRITE=E2=80=99
   76 |         rte_write32((rte_cpu_to_le_32(value)), reg)
      |                                                ^~~
../drivers/net/e1000/base/e1000_osdep.h:121:29: note: in expansion of macro
=E2=80=98E1000_PCI_REG_ADDR=E2=80=99
  121 |         E1000_PCI_REG_WRITE(E1000_PCI_REG_ADDR((hw), (reg)), (value=
))
      |                             ^~~~~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:3914:9: note: in expansion of macro
=E2=80=98E1000_WRITE_REG=E2=80=99
 3914 |         E1000_WRITE_REG(hw, E1000_IMIREXT(filter->index), 0);
      |         ^~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:3914:29: note: in expansion of macro
=E2=80=98E1000_IMIREXT=E2=80=99
 3914 |         E1000_WRITE_REG(hw, E1000_IMIREXT(filter->index), 0);
      |                             ^~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:3910:9: note: call to =E2=80=98rte_free=
=E2=80=99 here
 3910 |         rte_free(filter);
      |         ^~~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:3913:46: warning: pointer =E2=80=98filter=
=E2=80=99 used after
=E2=80=98rte_free=E2=80=99 [-Wuse-after-free]
 3913 |         E1000_WRITE_REG(hw, E1000_IMIR(filter->index), 0);
../drivers/net/e1000/base/e1000_osdep.h:76:48: note: in definition of macro
=E2=80=98E1000_PCI_REG_WRITE=E2=80=99
   76 |         rte_write32((rte_cpu_to_le_32(value)), reg)
      |                                                ^~~
../drivers/net/e1000/base/e1000_osdep.h:121:29: note: in expansion of macro
=E2=80=98E1000_PCI_REG_ADDR=E2=80=99
  121 |         E1000_PCI_REG_WRITE(E1000_PCI_REG_ADDR((hw), (reg)), (value=
))
      |                             ^~~~~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:3913:9: note: in expansion of macro
=E2=80=98E1000_WRITE_REG=E2=80=99
 3913 |         E1000_WRITE_REG(hw, E1000_IMIR(filter->index), 0);
      |         ^~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:3913:29: note: in expansion of macro
=E2=80=98E1000_IMIR=E2=80=99
 3913 |         E1000_WRITE_REG(hw, E1000_IMIR(filter->index), 0);
      |                             ^~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:3910:9: note: call to =E2=80=98rte_free=
=E2=80=99 here
 3910 |         rte_free(filter);
      |         ^~~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:3912:46: warning: pointer =E2=80=98filter=
=E2=80=99 used after
=E2=80=98rte_free=E2=80=99 [-Wuse-after-free]
 3912 |         E1000_WRITE_REG(hw, E1000_TTQF(filter->index),
E1000_TTQF_DISABLE_MASK);
../drivers/net/e1000/base/e1000_osdep.h:76:48: note: in definition of macro
=E2=80=98E1000_PCI_REG_WRITE=E2=80=99
   76 |         rte_write32((rte_cpu_to_le_32(value)), reg)
      |                                                ^~~
../drivers/net/e1000/base/e1000_osdep.h:121:29: note: in expansion of macro
=E2=80=98E1000_PCI_REG_ADDR=E2=80=99
  121 |         E1000_PCI_REG_WRITE(E1000_PCI_REG_ADDR((hw), (reg)), (value=
))
      |                             ^~~~~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:3912:9: note: in expansion of macro
=E2=80=98E1000_WRITE_REG=E2=80=99
 3912 |         E1000_WRITE_REG(hw, E1000_TTQF(filter->index),
E1000_TTQF_DISABLE_MASK);
      |         ^~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:3912:29: note: in expansion of macro
=E2=80=98E1000_TTQF=E2=80=99
 3912 |         E1000_WRITE_REG(hw, E1000_TTQF(filter->index),
E1000_TTQF_DISABLE_MASK);
      |                             ^~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:3910:9: note: call to =E2=80=98rte_free=
=E2=80=99 here
 3910 |         rte_free(filter);
      |         ^~~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c: In function
=E2=80=98igb_delete_5tuple_filter_82576=E2=80=99:
../drivers/net/e1000/igb_ethdev.c:4359:49: warning: pointer =E2=80=98filter=
=E2=80=99 used after
=E2=80=98rte_free=E2=80=99 [-Wuse-after-free]
 4359 |         E1000_WRITE_REG(hw, E1000_IMIREXT(filter->index), 0);
../drivers/net/e1000/base/e1000_osdep.h:76:48: note: in definition of macro
=E2=80=98E1000_PCI_REG_WRITE=E2=80=99
   76 |         rte_write32((rte_cpu_to_le_32(value)), reg)
      |                                                ^~~
../drivers/net/e1000/base/e1000_osdep.h:121:29: note: in expansion of macro
=E2=80=98E1000_PCI_REG_ADDR=E2=80=99
  121 |         E1000_PCI_REG_WRITE(E1000_PCI_REG_ADDR((hw), (reg)), (value=
))
      |                             ^~~~~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4359:9: note: in expansion of macro
=E2=80=98E1000_WRITE_REG=E2=80=99
 4359 |         E1000_WRITE_REG(hw, E1000_IMIREXT(filter->index), 0);
      |         ^~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4359:29: note: in expansion of macro
=E2=80=98E1000_IMIREXT=E2=80=99
 4359 |         E1000_WRITE_REG(hw, E1000_IMIREXT(filter->index), 0);
      |                             ^~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4351:9: note: call to =E2=80=98rte_free=
=E2=80=99 here
 4351 |         rte_free(filter);
      |         ^~~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4358:46: warning: pointer =E2=80=98filter=
=E2=80=99 used after
=E2=80=98rte_free=E2=80=99 [-Wuse-after-free]
 4358 |         E1000_WRITE_REG(hw, E1000_IMIR(filter->index), 0);
../drivers/net/e1000/base/e1000_osdep.h:76:48: note: in definition of macro
=E2=80=98E1000_PCI_REG_WRITE=E2=80=99
   76 |         rte_write32((rte_cpu_to_le_32(value)), reg)
      |                                                ^~~
../drivers/net/e1000/base/e1000_osdep.h:121:29: note: in expansion of macro
=E2=80=98E1000_PCI_REG_ADDR=E2=80=99
  121 |         E1000_PCI_REG_WRITE(E1000_PCI_REG_ADDR((hw), (reg)), (value=
))
      |                             ^~~~~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4358:9: note: in expansion of macro
=E2=80=98E1000_WRITE_REG=E2=80=99
 4358 |         E1000_WRITE_REG(hw, E1000_IMIR(filter->index), 0);
      |         ^~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4358:29: note: in expansion of macro
=E2=80=98E1000_IMIR=E2=80=99
 4358 |         E1000_WRITE_REG(hw, E1000_IMIR(filter->index), 0);
      |                             ^~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4351:9: note: call to =E2=80=98rte_free=
=E2=80=99 here
 4351 |         rte_free(filter);
      |         ^~~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4357:46: warning: pointer =E2=80=98filter=
=E2=80=99 used after
=E2=80=98rte_free=E2=80=99 [-Wuse-after-free]
 4357 |         E1000_WRITE_REG(hw, E1000_SPQF(filter->index), 0);
../drivers/net/e1000/base/e1000_osdep.h:76:48: note: in definition of macro
=E2=80=98E1000_PCI_REG_WRITE=E2=80=99
   76 |         rte_write32((rte_cpu_to_le_32(value)), reg)
      |                                                ^~~
../drivers/net/e1000/base/e1000_osdep.h:121:29: note: in expansion of macro
=E2=80=98E1000_PCI_REG_ADDR=E2=80=99
  121 |         E1000_PCI_REG_WRITE(E1000_PCI_REG_ADDR((hw), (reg)), (value=
))
      |                             ^~~~~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4357:9: note: in expansion of macro
=E2=80=98E1000_WRITE_REG=E2=80=99
 4357 |         E1000_WRITE_REG(hw, E1000_SPQF(filter->index), 0);
      |         ^~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4357:29: note: in expansion of macro
=E2=80=98E1000_SPQF=E2=80=99
 4357 |         E1000_WRITE_REG(hw, E1000_SPQF(filter->index), 0);
      |                             ^~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4351:9: note: call to =E2=80=98rte_free=
=E2=80=99 here
 4351 |         rte_free(filter);
      |         ^~~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4356:46: warning: pointer =E2=80=98filter=
=E2=80=99 used after
=E2=80=98rte_free=E2=80=99 [-Wuse-after-free]
 4356 |         E1000_WRITE_REG(hw, E1000_SAQF(filter->index), 0);
../drivers/net/e1000/base/e1000_osdep.h:76:48: note: in definition of macro
=E2=80=98E1000_PCI_REG_WRITE=E2=80=99
   76 |         rte_write32((rte_cpu_to_le_32(value)), reg)
      |                                                ^~~
../drivers/net/e1000/base/e1000_osdep.h:121:29: note: in expansion of macro
=E2=80=98E1000_PCI_REG_ADDR=E2=80=99
  121 |         E1000_PCI_REG_WRITE(E1000_PCI_REG_ADDR((hw), (reg)), (value=
))
      |                             ^~~~~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4356:9: note: in expansion of macro
=E2=80=98E1000_WRITE_REG=E2=80=99
 4356 |         E1000_WRITE_REG(hw, E1000_SAQF(filter->index), 0);
      |         ^~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4356:29: note: in expansion of macro
=E2=80=98E1000_SAQF=E2=80=99
 4356 |         E1000_WRITE_REG(hw, E1000_SAQF(filter->index), 0);
      |                             ^~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4351:9: note: call to =E2=80=98rte_free=
=E2=80=99 here
 4351 |         rte_free(filter);
      |         ^~~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4355:46: warning: pointer =E2=80=98filter=
=E2=80=99 used after
=E2=80=98rte_free=E2=80=99 [-Wuse-after-free]
 4355 |         E1000_WRITE_REG(hw, E1000_DAQF(filter->index), 0);
../drivers/net/e1000/base/e1000_osdep.h:76:48: note: in definition of macro
=E2=80=98E1000_PCI_REG_WRITE=E2=80=99
   76 |         rte_write32((rte_cpu_to_le_32(value)), reg)
      |                                                ^~~
../drivers/net/e1000/base/e1000_osdep.h:121:29: note: in expansion of macro
=E2=80=98E1000_PCI_REG_ADDR=E2=80=99
  121 |         E1000_PCI_REG_WRITE(E1000_PCI_REG_ADDR((hw), (reg)), (value=
))
      |                             ^~~~~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4355:9: note: in expansion of macro
=E2=80=98E1000_WRITE_REG=E2=80=99
 4355 |         E1000_WRITE_REG(hw, E1000_DAQF(filter->index), 0);
      |         ^~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4355:29: note: in expansion of macro
=E2=80=98E1000_DAQF=E2=80=99
 4355 |         E1000_WRITE_REG(hw, E1000_DAQF(filter->index), 0);
      |                             ^~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4351:9: note: call to =E2=80=98rte_free=
=E2=80=99 here
 4351 |         rte_free(filter);
      |         ^~~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4353:46: warning: pointer =E2=80=98filter=
=E2=80=99 used after
=E2=80=98rte_free=E2=80=99 [-Wuse-after-free]
 4353 |         E1000_WRITE_REG(hw, E1000_FTQF(filter->index),
../drivers/net/e1000/base/e1000_osdep.h:76:48: note: in definition of macro
=E2=80=98E1000_PCI_REG_WRITE=E2=80=99
   76 |         rte_write32((rte_cpu_to_le_32(value)), reg)
      |                                                ^~~
../drivers/net/e1000/base/e1000_osdep.h:121:29: note: in expansion of macro
=E2=80=98E1000_PCI_REG_ADDR=E2=80=99
  121 |         E1000_PCI_REG_WRITE(E1000_PCI_REG_ADDR((hw), (reg)), (value=
))
      |                             ^~~~~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4353:9: note: in expansion of macro
=E2=80=98E1000_WRITE_REG=E2=80=99
 4353 |         E1000_WRITE_REG(hw, E1000_FTQF(filter->index),
      |         ^~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4353:29: note: in expansion of macro
=E2=80=98E1000_FTQF=E2=80=99
 4353 |         E1000_WRITE_REG(hw, E1000_FTQF(filter->index),
      |                             ^~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4351:9: note: call to =E2=80=98rte_free=
=E2=80=99 here
 4351 |         rte_free(filter);
      |         ^~~~~~~~~~~~~~~~

--=20
You are receiving this mail because:
You are the assignee for the bug.=

--17272818760.5cc80DcD.3554884
Date: Wed, 25 Sep 2024 18:31:16 +0200
MIME-Version: 1.0
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable
X-Bugzilla-URL: http://bugs.dpdk.org/
Auto-Submitted: auto-generated
X-Auto-Response-Suppress: All

<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 - Use after free in E1000 driver"
   href=3D"https://bugs.dpdk.org/show_bug.cgi?id=3D1550">1550</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Use after free in E1000 driver
          </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>major
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>Normal
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>ethdev
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>stephen&#64;networkplumber.org
          </td>
        </tr>

        <tr>
          <th>Target Milestone</th>
          <td>---
          </td>
        </tr></table>
      <p>
        <div class=3D"bz_comment_block">
          <pre class=3D"bz_comment_text">If function attributes are added t=
o rte_malloc() Gcc will detect use after free
in e1000.

[1048/2957] Compiling C object
drivers/libtmp_rte_net_e1000.a.p/net_e1000_igb_ethdev.c.o
In file included from ../drivers/net/e1000/base/e1000_hw.h:8,
                 from ../drivers/net/e1000/base/e1000_api.h:8,
                 from ../drivers/net/e1000/igb_ethdev.c:28:
../drivers/net/e1000/igb_ethdev.c: In function =E2=80=98igb_delete_2tuple_f=
ilter=E2=80=99:
../drivers/net/e1000/igb_ethdev.c:3914:49: warning: pointer =E2=80=98filter=
=E2=80=99 used after
=E2=80=98rte_free=E2=80=99 [-Wuse-after-free]
 3914 |         E1000_WRITE_REG(hw, E1000_IMIREXT(filter-&gt;index), 0);
../drivers/net/e1000/base/e1000_osdep.h:76:48: note: in definition of macro
=E2=80=98E1000_PCI_REG_WRITE=E2=80=99
   76 |         rte_write32((rte_cpu_to_le_32(value)), reg)
      |                                                ^~~
../drivers/net/e1000/base/e1000_osdep.h:121:29: note: in expansion of macro
=E2=80=98E1000_PCI_REG_ADDR=E2=80=99
  121 |         E1000_PCI_REG_WRITE(E1000_PCI_REG_ADDR((hw), (reg)), (value=
))
      |                             ^~~~~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:3914:9: note: in expansion of macro
=E2=80=98E1000_WRITE_REG=E2=80=99
 3914 |         E1000_WRITE_REG(hw, E1000_IMIREXT(filter-&gt;index), 0);
      |         ^~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:3914:29: note: in expansion of macro
=E2=80=98E1000_IMIREXT=E2=80=99
 3914 |         E1000_WRITE_REG(hw, E1000_IMIREXT(filter-&gt;index), 0);
      |                             ^~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:3910:9: note: call to =E2=80=98rte_free=
=E2=80=99 here
 3910 |         rte_free(filter);
      |         ^~~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:3913:46: warning: pointer =E2=80=98filter=
=E2=80=99 used after
=E2=80=98rte_free=E2=80=99 [-Wuse-after-free]
 3913 |         E1000_WRITE_REG(hw, E1000_IMIR(filter-&gt;index), 0);
../drivers/net/e1000/base/e1000_osdep.h:76:48: note: in definition of macro
=E2=80=98E1000_PCI_REG_WRITE=E2=80=99
   76 |         rte_write32((rte_cpu_to_le_32(value)), reg)
      |                                                ^~~
../drivers/net/e1000/base/e1000_osdep.h:121:29: note: in expansion of macro
=E2=80=98E1000_PCI_REG_ADDR=E2=80=99
  121 |         E1000_PCI_REG_WRITE(E1000_PCI_REG_ADDR((hw), (reg)), (value=
))
      |                             ^~~~~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:3913:9: note: in expansion of macro
=E2=80=98E1000_WRITE_REG=E2=80=99
 3913 |         E1000_WRITE_REG(hw, E1000_IMIR(filter-&gt;index), 0);
      |         ^~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:3913:29: note: in expansion of macro
=E2=80=98E1000_IMIR=E2=80=99
 3913 |         E1000_WRITE_REG(hw, E1000_IMIR(filter-&gt;index), 0);
      |                             ^~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:3910:9: note: call to =E2=80=98rte_free=
=E2=80=99 here
 3910 |         rte_free(filter);
      |         ^~~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:3912:46: warning: pointer =E2=80=98filter=
=E2=80=99 used after
=E2=80=98rte_free=E2=80=99 [-Wuse-after-free]
 3912 |         E1000_WRITE_REG(hw, E1000_TTQF(filter-&gt;index),
E1000_TTQF_DISABLE_MASK);
../drivers/net/e1000/base/e1000_osdep.h:76:48: note: in definition of macro
=E2=80=98E1000_PCI_REG_WRITE=E2=80=99
   76 |         rte_write32((rte_cpu_to_le_32(value)), reg)
      |                                                ^~~
../drivers/net/e1000/base/e1000_osdep.h:121:29: note: in expansion of macro
=E2=80=98E1000_PCI_REG_ADDR=E2=80=99
  121 |         E1000_PCI_REG_WRITE(E1000_PCI_REG_ADDR((hw), (reg)), (value=
))
      |                             ^~~~~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:3912:9: note: in expansion of macro
=E2=80=98E1000_WRITE_REG=E2=80=99
 3912 |         E1000_WRITE_REG(hw, E1000_TTQF(filter-&gt;index),
E1000_TTQF_DISABLE_MASK);
      |         ^~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:3912:29: note: in expansion of macro
=E2=80=98E1000_TTQF=E2=80=99
 3912 |         E1000_WRITE_REG(hw, E1000_TTQF(filter-&gt;index),
E1000_TTQF_DISABLE_MASK);
      |                             ^~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:3910:9: note: call to =E2=80=98rte_free=
=E2=80=99 here
 3910 |         rte_free(filter);
      |         ^~~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c: In function
=E2=80=98igb_delete_5tuple_filter_82576=E2=80=99:
../drivers/net/e1000/igb_ethdev.c:4359:49: warning: pointer =E2=80=98filter=
=E2=80=99 used after
=E2=80=98rte_free=E2=80=99 [-Wuse-after-free]
 4359 |         E1000_WRITE_REG(hw, E1000_IMIREXT(filter-&gt;index), 0);
../drivers/net/e1000/base/e1000_osdep.h:76:48: note: in definition of macro
=E2=80=98E1000_PCI_REG_WRITE=E2=80=99
   76 |         rte_write32((rte_cpu_to_le_32(value)), reg)
      |                                                ^~~
../drivers/net/e1000/base/e1000_osdep.h:121:29: note: in expansion of macro
=E2=80=98E1000_PCI_REG_ADDR=E2=80=99
  121 |         E1000_PCI_REG_WRITE(E1000_PCI_REG_ADDR((hw), (reg)), (value=
))
      |                             ^~~~~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4359:9: note: in expansion of macro
=E2=80=98E1000_WRITE_REG=E2=80=99
 4359 |         E1000_WRITE_REG(hw, E1000_IMIREXT(filter-&gt;index), 0);
      |         ^~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4359:29: note: in expansion of macro
=E2=80=98E1000_IMIREXT=E2=80=99
 4359 |         E1000_WRITE_REG(hw, E1000_IMIREXT(filter-&gt;index), 0);
      |                             ^~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4351:9: note: call to =E2=80=98rte_free=
=E2=80=99 here
 4351 |         rte_free(filter);
      |         ^~~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4358:46: warning: pointer =E2=80=98filter=
=E2=80=99 used after
=E2=80=98rte_free=E2=80=99 [-Wuse-after-free]
 4358 |         E1000_WRITE_REG(hw, E1000_IMIR(filter-&gt;index), 0);
../drivers/net/e1000/base/e1000_osdep.h:76:48: note: in definition of macro
=E2=80=98E1000_PCI_REG_WRITE=E2=80=99
   76 |         rte_write32((rte_cpu_to_le_32(value)), reg)
      |                                                ^~~
../drivers/net/e1000/base/e1000_osdep.h:121:29: note: in expansion of macro
=E2=80=98E1000_PCI_REG_ADDR=E2=80=99
  121 |         E1000_PCI_REG_WRITE(E1000_PCI_REG_ADDR((hw), (reg)), (value=
))
      |                             ^~~~~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4358:9: note: in expansion of macro
=E2=80=98E1000_WRITE_REG=E2=80=99
 4358 |         E1000_WRITE_REG(hw, E1000_IMIR(filter-&gt;index), 0);
      |         ^~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4358:29: note: in expansion of macro
=E2=80=98E1000_IMIR=E2=80=99
 4358 |         E1000_WRITE_REG(hw, E1000_IMIR(filter-&gt;index), 0);
      |                             ^~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4351:9: note: call to =E2=80=98rte_free=
=E2=80=99 here
 4351 |         rte_free(filter);
      |         ^~~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4357:46: warning: pointer =E2=80=98filter=
=E2=80=99 used after
=E2=80=98rte_free=E2=80=99 [-Wuse-after-free]
 4357 |         E1000_WRITE_REG(hw, E1000_SPQF(filter-&gt;index), 0);
../drivers/net/e1000/base/e1000_osdep.h:76:48: note: in definition of macro
=E2=80=98E1000_PCI_REG_WRITE=E2=80=99
   76 |         rte_write32((rte_cpu_to_le_32(value)), reg)
      |                                                ^~~
../drivers/net/e1000/base/e1000_osdep.h:121:29: note: in expansion of macro
=E2=80=98E1000_PCI_REG_ADDR=E2=80=99
  121 |         E1000_PCI_REG_WRITE(E1000_PCI_REG_ADDR((hw), (reg)), (value=
))
      |                             ^~~~~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4357:9: note: in expansion of macro
=E2=80=98E1000_WRITE_REG=E2=80=99
 4357 |         E1000_WRITE_REG(hw, E1000_SPQF(filter-&gt;index), 0);
      |         ^~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4357:29: note: in expansion of macro
=E2=80=98E1000_SPQF=E2=80=99
 4357 |         E1000_WRITE_REG(hw, E1000_SPQF(filter-&gt;index), 0);
      |                             ^~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4351:9: note: call to =E2=80=98rte_free=
=E2=80=99 here
 4351 |         rte_free(filter);
      |         ^~~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4356:46: warning: pointer =E2=80=98filter=
=E2=80=99 used after
=E2=80=98rte_free=E2=80=99 [-Wuse-after-free]
 4356 |         E1000_WRITE_REG(hw, E1000_SAQF(filter-&gt;index), 0);
../drivers/net/e1000/base/e1000_osdep.h:76:48: note: in definition of macro
=E2=80=98E1000_PCI_REG_WRITE=E2=80=99
   76 |         rte_write32((rte_cpu_to_le_32(value)), reg)
      |                                                ^~~
../drivers/net/e1000/base/e1000_osdep.h:121:29: note: in expansion of macro
=E2=80=98E1000_PCI_REG_ADDR=E2=80=99
  121 |         E1000_PCI_REG_WRITE(E1000_PCI_REG_ADDR((hw), (reg)), (value=
))
      |                             ^~~~~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4356:9: note: in expansion of macro
=E2=80=98E1000_WRITE_REG=E2=80=99
 4356 |         E1000_WRITE_REG(hw, E1000_SAQF(filter-&gt;index), 0);
      |         ^~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4356:29: note: in expansion of macro
=E2=80=98E1000_SAQF=E2=80=99
 4356 |         E1000_WRITE_REG(hw, E1000_SAQF(filter-&gt;index), 0);
      |                             ^~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4351:9: note: call to =E2=80=98rte_free=
=E2=80=99 here
 4351 |         rte_free(filter);
      |         ^~~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4355:46: warning: pointer =E2=80=98filter=
=E2=80=99 used after
=E2=80=98rte_free=E2=80=99 [-Wuse-after-free]
 4355 |         E1000_WRITE_REG(hw, E1000_DAQF(filter-&gt;index), 0);
../drivers/net/e1000/base/e1000_osdep.h:76:48: note: in definition of macro
=E2=80=98E1000_PCI_REG_WRITE=E2=80=99
   76 |         rte_write32((rte_cpu_to_le_32(value)), reg)
      |                                                ^~~
../drivers/net/e1000/base/e1000_osdep.h:121:29: note: in expansion of macro
=E2=80=98E1000_PCI_REG_ADDR=E2=80=99
  121 |         E1000_PCI_REG_WRITE(E1000_PCI_REG_ADDR((hw), (reg)), (value=
))
      |                             ^~~~~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4355:9: note: in expansion of macro
=E2=80=98E1000_WRITE_REG=E2=80=99
 4355 |         E1000_WRITE_REG(hw, E1000_DAQF(filter-&gt;index), 0);
      |         ^~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4355:29: note: in expansion of macro
=E2=80=98E1000_DAQF=E2=80=99
 4355 |         E1000_WRITE_REG(hw, E1000_DAQF(filter-&gt;index), 0);
      |                             ^~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4351:9: note: call to =E2=80=98rte_free=
=E2=80=99 here
 4351 |         rte_free(filter);
      |         ^~~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4353:46: warning: pointer =E2=80=98filter=
=E2=80=99 used after
=E2=80=98rte_free=E2=80=99 [-Wuse-after-free]
 4353 |         E1000_WRITE_REG(hw, E1000_FTQF(filter-&gt;index),
../drivers/net/e1000/base/e1000_osdep.h:76:48: note: in definition of macro
=E2=80=98E1000_PCI_REG_WRITE=E2=80=99
   76 |         rte_write32((rte_cpu_to_le_32(value)), reg)
      |                                                ^~~
../drivers/net/e1000/base/e1000_osdep.h:121:29: note: in expansion of macro
=E2=80=98E1000_PCI_REG_ADDR=E2=80=99
  121 |         E1000_PCI_REG_WRITE(E1000_PCI_REG_ADDR((hw), (reg)), (value=
))
      |                             ^~~~~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4353:9: note: in expansion of macro
=E2=80=98E1000_WRITE_REG=E2=80=99
 4353 |         E1000_WRITE_REG(hw, E1000_FTQF(filter-&gt;index),
      |         ^~~~~~~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4353:29: note: in expansion of macro
=E2=80=98E1000_FTQF=E2=80=99
 4353 |         E1000_WRITE_REG(hw, E1000_FTQF(filter-&gt;index),
      |                             ^~~~~~~~~~
../drivers/net/e1000/igb_ethdev.c:4351:9: note: call to =E2=80=98rte_free=
=E2=80=99 here
 4351 |         rte_free(filter);
      |         ^~~~~~~~~~~~~~~~
          </pre>
        </div>
      </p>


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