From: Emil Tantilov Date: Fri, 21 Nov 2025 00:12:16 +0000 (-0800) Subject: idpf: fix memory leak in idpf_vport_rel() X-Git-Tag: v6.12.66~42 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a4212d6732e3f674c6cc7d0b642f276d827e8f94;p=thirdparty%2Fkernel%2Fstable.git idpf: fix memory leak in idpf_vport_rel() [ Upstream commit f6242b354605faff263ca45882b148200915a3f6 ] Free vport->rx_ptype_lkup in idpf_vport_rel() to avoid leaking memory during a reset. Reported by kmemleak: unreferenced object 0xff450acac838a000 (size 4096): comm "kworker/u258:5", pid 7732, jiffies 4296830044 hex dump (first 32 bytes): 00 00 00 00 00 10 00 00 00 10 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 10 00 00 00 00 00 00 ................ backtrace (crc 3da81902): __kmalloc_cache_noprof+0x469/0x7a0 idpf_send_get_rx_ptype_msg+0x90/0x570 [idpf] idpf_init_task+0x1ec/0x8d0 [idpf] process_one_work+0x226/0x6d0 worker_thread+0x19e/0x340 kthread+0x10f/0x250 ret_from_fork+0x251/0x2b0 ret_from_fork_asm+0x1a/0x30 Fixes: 0fe45467a104 ("idpf: add create vport and netdev configuration") Signed-off-by: Emil Tantilov Reviewed-by: Aleksandr Loktionov Reviewed-by: Madhu Chittim Tested-by: Samuel Salin Signed-off-by: Tony Nguyen Signed-off-by: Sasha Levin --- diff --git a/drivers/net/ethernet/intel/idpf/idpf_lib.c b/drivers/net/ethernet/intel/idpf/idpf_lib.c index 568b57cb2298e..a0677b3277839 100644 --- a/drivers/net/ethernet/intel/idpf/idpf_lib.c +++ b/drivers/net/ethernet/intel/idpf/idpf_lib.c @@ -968,6 +968,8 @@ static void idpf_vport_rel(struct idpf_vport *vport) kfree(adapter->vport_config[idx]->req_qs_chunks); adapter->vport_config[idx]->req_qs_chunks = NULL; } + kfree(vport->rx_ptype_lkup); + vport->rx_ptype_lkup = NULL; kfree(vport); adapter->num_alloc_vports--; }