From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DABD2C61D85 for ; Thu, 23 Nov 2023 19:38:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230025AbjKWTiG (ORCPT ); Thu, 23 Nov 2023 14:38:06 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59816 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229942AbjKWThu (ORCPT ); Thu, 23 Nov 2023 14:37:50 -0500 Received: from mail-pl1-f199.google.com (mail-pl1-f199.google.com [209.85.214.199]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 04F2B30DD for ; Thu, 23 Nov 2023 11:36:35 -0800 (PST) Received: by mail-pl1-f199.google.com with SMTP id d9443c01a7336-1cc41aed6a5so12918685ad.0 for ; Thu, 23 Nov 2023 11:36:35 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1700768166; x=1701372966; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=m+A9PJEIs87A1VlXJIAa7rv7twfRr8/F4BoeMDNQkMM=; b=K24Zd4dUwb5F6JW6XXGwKPmF0gLt2AE8DZcKda/3MY8lr13plRuMvHY9kt56jIyO2F kTy61KCb+e/zY1KqurLyK32SCzkAJWmSmyE+7Y1Ql+z8Cb69leizq5lx3h+gt3IvERqm dI6aQt6ZK/oIRjRULk7zaZPaQ+8+UY8ZrYy7w2kLk698eE0Upjtb7AGv+gMFbeB0mEQ8 FazQVQtnnoH6p7hwWkatFD8Q4iYg94RgILlbwosTTRiDup5sYNAYUIHN4EMxE1u8QLmE 90Mt4kuL2SYiDv6aPyRTi+CT4d4/Izl5jNZdkAAUMIbJ9s76aMP/4QMY9c5u8Pv3u9pM ++5Q== X-Gm-Message-State: AOJu0Yx4bssZvVb4v0aMe8na+D+HmcX5AsdpKMDeSABMcX5CnL8u2MVF g1t2TROgAUBLcnusjY0VuBbDhnnRtMkB61Q6Rn9S6hpOrNjTMKs= X-Google-Smtp-Source: AGHT+IHn3I7TMnTLmLm66gozmb6up19NaUXz3ud/upi4g0HVhe7yF6rzzKcqWPv6UA58CoJAsJPvIe56RzN53ltsdnnnSXJ1V9J8 MIME-Version: 1.0 X-Received: by 2002:a17:902:be12:b0:1cc:4327:8bbc with SMTP id r18-20020a170902be1200b001cc43278bbcmr99528pls.10.1700768165929; Thu, 23 Nov 2023 11:36:05 -0800 (PST) Date: Thu, 23 Nov 2023 11:36:05 -0800 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000006029f4060ad6f227@google.com> Subject: Re: [syzbot] [usb?] [staging?] memory leak in _r8712_init_xmit_priv (2) From: syzbot To: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, yuran.pereira@hotmail.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: memory leak in _r8712_init_xmit_priv BUG: memory leak unreferenced object 0xffff8881085a3000 (size 4096): comm "kworker/0:5", pid 5051, jiffies 4294944413 (age 8.790s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline] [] slab_post_alloc_hook mm/slab.h:766 [inline] [] slab_alloc_node mm/slub.c:3478 [inline] [] __kmem_cache_alloc_node+0x2dd/0x3f0 mm/slub.c:3517 [] kmalloc_trace+0x25/0x90 mm/slab_common.c:1098 [] kmalloc include/linux/slab.h:600 [inline] [] _r8712_init_xmit_priv+0x2c1/0x6f0 drivers/staging/rtl8712/rtl871x_xmit.c:131 [] r8712_init_drv_sw+0xc3/0x290 drivers/staging/rtl8712/os_intfs.c:311 [] r871xu_drv_init+0x1c6/0x920 drivers/staging/rtl8712/usb_intf.c:386 [] usb_probe_interface+0x16b/0x3a0 drivers/usb/core/driver.c:396 [] call_driver_probe drivers/base/dd.c:579 [inline] [] really_probe+0x126/0x440 drivers/base/dd.c:658 [] __driver_probe_device+0xc3/0x190 drivers/base/dd.c:800 [] driver_probe_device+0x2a/0x120 drivers/base/dd.c:830 [] __device_attach_driver+0x104/0x160 drivers/base/dd.c:958 [] bus_for_each_drv+0xcd/0x120 drivers/base/bus.c:457 [] __device_attach+0xfa/0x290 drivers/base/dd.c:1030 [] bus_probe_device+0xca/0xd0 drivers/base/bus.c:532 [] device_add+0x9be/0xc90 drivers/base/core.c:3625 [] usb_set_configuration+0x967/0xc70 drivers/usb/core/message.c:2207 [] usb_generic_driver_probe+0x9c/0xf0 drivers/usb/core/generic.c:238 BUG: memory leak unreferenced object 0xffff8881085a5000 (size 4096): comm "kworker/0:5", pid 5051, jiffies 4294944413 (age 8.790s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline] [] slab_post_alloc_hook mm/slab.h:766 [inline] [] slab_alloc_node mm/slub.c:3478 [inline] [] __kmem_cache_alloc_node+0x2dd/0x3f0 mm/slub.c:3517 [] kmalloc_trace+0x25/0x90 mm/slab_common.c:1098 [] kmalloc include/linux/slab.h:600 [inline] [] _r8712_init_xmit_priv+0x2c1/0x6f0 drivers/staging/rtl8712/rtl871x_xmit.c:131 [] r8712_init_drv_sw+0xc3/0x290 drivers/staging/rtl8712/os_intfs.c:311 [] r871xu_drv_init+0x1c6/0x920 drivers/staging/rtl8712/usb_intf.c:386 [] usb_probe_interface+0x16b/0x3a0 drivers/usb/core/driver.c:396 [] call_driver_probe drivers/base/dd.c:579 [inline] [] really_probe+0x126/0x440 drivers/base/dd.c:658 [] __driver_probe_device+0xc3/0x190 drivers/base/dd.c:800 [] driver_probe_device+0x2a/0x120 drivers/base/dd.c:830 [] __device_attach_driver+0x104/0x160 drivers/base/dd.c:958 [] bus_for_each_drv+0xcd/0x120 drivers/base/bus.c:457 [] __device_attach+0xfa/0x290 drivers/base/dd.c:1030 [] bus_probe_device+0xca/0xd0 drivers/base/bus.c:532 [] device_add+0x9be/0xc90 drivers/base/core.c:3625 [] usb_set_configuration+0x967/0xc70 drivers/usb/core/message.c:2207 [] usb_generic_driver_probe+0x9c/0xf0 drivers/usb/core/generic.c:238 BUG: memory leak unreferenced object 0xffff8881085a7000 (size 4096): comm "kworker/0:5", pid 5051, jiffies 4294944414 (age 8.780s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline] [] slab_post_alloc_hook mm/slab.h:766 [inline] [] slab_alloc_node mm/slub.c:3478 [inline] [] __kmem_cache_alloc_node+0x2dd/0x3f0 mm/slub.c:3517 [] kmalloc_trace+0x25/0x90 mm/slab_common.c:1098 [] kmalloc include/linux/slab.h:600 [inline] [] _r8712_init_xmit_priv+0x2c1/0x6f0 drivers/staging/rtl8712/rtl871x_xmit.c:131 [] r8712_init_drv_sw+0xc3/0x290 drivers/staging/rtl8712/os_intfs.c:311 [] r871xu_drv_init+0x1c6/0x920 drivers/staging/rtl8712/usb_intf.c:386 [] usb_probe_interface+0x16b/0x3a0 drivers/usb/core/driver.c:396 [] call_driver_probe drivers/base/dd.c:579 [inline] [] really_probe+0x126/0x440 drivers/base/dd.c:658 [] __driver_probe_device+0xc3/0x190 drivers/base/dd.c:800 [] driver_probe_device+0x2a/0x120 drivers/base/dd.c:830 [] __device_attach_driver+0x104/0x160 drivers/base/dd.c:958 [] bus_for_each_drv+0xcd/0x120 drivers/base/bus.c:457 [] __device_attach+0xfa/0x290 drivers/base/dd.c:1030 [] bus_probe_device+0xca/0xd0 drivers/base/bus.c:532 [] device_add+0x9be/0xc90 drivers/base/core.c:3625 [] usb_set_configuration+0x967/0xc70 drivers/usb/core/message.c:2207 [] usb_generic_driver_probe+0x9c/0xf0 drivers/usb/core/generic.c:238 Tested on: commit: d3fa86b1 Merge tag 'net-6.7-rc3' of git://git.kernel.o.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master console output: https://syzkaller.appspot.com/x/log.txt?x=142ccff0e80000 kernel config: https://syzkaller.appspot.com/x/.config?x=f1b9d95ada516af dashboard link: https://syzkaller.appspot.com/bug?extid=83763e624cfec6b462cb compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=10f560a4e80000