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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: CH3PR12MB8460.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: f8d6502f-d9f1-4cf6-689e-08dd566cc871 X-MS-Exchange-CrossTenant-originalarrivaltime: 26 Feb 2025 13:52:17.5589 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: bdXEuiLXtYhnf+nVAtGtSJBMWR1nsb2AbWFwY+XV1wXmdiqD5iAlOygPKB5zYvgWHcV6pCUiURnWTYjER8rASw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CYXPR12MB9425 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Hi,=0A= =0A= From: Gregory Etelson =0A= Sent: Sunday, February 9, 2025 3:48 PM=0A= To: dev@dpdk.org=0A= Cc: Gregory Etelson; Maayan Kashani; Raslan Darawsheh; Itamar Gozlan=0A= Subject: [PATCH] net/mlx5/hws: change error flow on matcher disconnect=0A= =0A= From: Itamar Gozlan =0A= =0A= Currently, when a firmware (FW) failure occurs during matcher error flow,= =0A= the system attempts to reconnect the matcher, leading to a segmentation=0A= fault. This happens because the matcher is freed but remains in the list.= =0A= =0A= Example scenario:=0A= Given matchers M1->M2->M3, if a FW failure occurs:=0A= 1. System tries to destroy M1 and fails=0A= 2. M1 remains in the list but is freed=0A= 3. When destroying M2, it attempts to remove itself and create M1->M3=0A= 4. This results in a segmentation fault as M1 is already freed=0A= =0A= Signed-off-by: Itamar Gozlan =0A= =0A= Patch applied to next-net-mlx,=0A= =0A= =0A= Kindest regards,=0A= Raslan Darawsheh=0A= =0A=