From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751849AbZH1F0R (ORCPT ); Fri, 28 Aug 2009 01:26:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751672AbZH1F0Q (ORCPT ); Fri, 28 Aug 2009 01:26:16 -0400 Received: from mail-iw0-f204.google.com ([209.85.223.204]:44403 "EHLO mail-iw0-f204.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751439AbZH1F0P (ORCPT ); Fri, 28 Aug 2009 01:26:15 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:from:date:message-id:subject:to:content-type; b=gpJCXQKBM5h4IZuNti3rQyUzLcQe0/ME1vl3EUSwhxvRLkui7WIAkKtS6OcGHVx2RO 6EG+bWWE/OTKJT2+TQlkdBfrzfaP6+xiiXznZdopxYgq8Ss8c5WUGK+E8O3e2IFyzb1V 31Upv3+7EvcfHfewFN5PB9BO34tinJGMcvjRM= MIME-Version: 1.0 From: "Luis R. Rodriguez" Date: Thu, 27 Aug 2009 22:25:57 -0700 Message-ID: <43e72e890908272225w79ec5bf6kc7ef1160e5a088ae@mail.gmail.com> Subject: memleaks, acpi + ext4 + tty To: linux-kernel@vger.kernel.org Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org I have an assorted collection of kmemleak reports for acpi, ext4 and tty, not sure how to read these yet to fix so figure I'd at least post them. To reproduce I can just dd=/dev/zero to some big file and played some video. unreferenced object 0xffff88003e0015c0 (size 64): comm "swapper", pid 1, jiffies 4294892352 backtrace: [] create_object+0x13d/0x2d0 [] kmemleak_alloc+0x25/0x60 [] kmem_cache_alloc_node+0x193/0x200 [] process_zones+0x70/0x1cd [] pageset_cpuup_callback+0x35/0x92 [] notifier_call_chain+0x47/0x90 [] __raw_notifier_call_chain+0x9/0x10 [] _cpu_up+0x75/0x130 [] cpu_up+0x5a/0x6a [] kernel_init+0xcc/0x1ba [] child_rip+0xa/0x20 [] 0xffffffffffffffff unreferenced object 0xffff88003cb5f700 (size 64): comm "swapper", pid 1, jiffies 4294892459 backtrace: [] create_object+0x13d/0x2d0 [] kmemleak_alloc+0x25/0x60 [] __kmalloc+0x16b/0x250 [] kzalloc+0xf/0x11 [] acpi_add_single_object+0x58e/0xd3c [] acpi_bus_scan+0x125/0x1af [] acpi_scan_init+0xc8/0xe9 [] acpi_init+0x21f/0x265 [] do_one_initcall+0x4b/0x1b0 [] kernel_init+0x164/0x1ba [] child_rip+0xa/0x20 [] 0xffffffffffffffff unreferenced object 0xffff88003cb5f740 (size 64): comm "swapper", pid 1, jiffies 4294892460 backtrace: [] create_object+0x13d/0x2d0 [] kmemleak_alloc+0x25/0x60 [] __kmalloc+0x16b/0x250 [] kzalloc+0xf/0x11 [] acpi_add_single_object+0x58e/0xd3c [] acpi_bus_scan+0x125/0x1af [] acpi_scan_init+0xc8/0xe9 [] acpi_init+0x21f/0x265 [] do_one_initcall+0x4b/0x1b0 [] kernel_init+0x164/0x1ba [] child_rip+0xa/0x20 [] 0xffffffffffffffff unreferenced object 0xffff88003cb5f780 (size 64): comm "swapper", pid 1, jiffies 4294892463 backtrace: [] create_object+0x13d/0x2d0 [] kmemleak_alloc+0x25/0x60 [] __kmalloc+0x16b/0x250 [] kzalloc+0xf/0x11 [] acpi_add_single_object+0x58e/0xd3c [] acpi_bus_scan+0x125/0x1af [] acpi_scan_init+0xc8/0xe9 [] acpi_init+0x21f/0x265 [] do_one_initcall+0x4b/0x1b0 [] kernel_init+0x164/0x1ba [] child_rip+0xa/0x20 [] 0xffffffffffffffff unreferenced object 0xffff88003cb5f7c0 (size 64): comm "swapper", pid 1, jiffies 4294892465 backtrace: [] create_object+0x13d/0x2d0 [] kmemleak_alloc+0x25/0x60 [] __kmalloc+0x16b/0x250 [] kzalloc+0xf/0x11 [] acpi_add_single_object+0x58e/0xd3c [] acpi_bus_scan+0x125/0x1af [] acpi_scan_init+0xc8/0xe9 [] acpi_init+0x21f/0x265 [] do_one_initcall+0x4b/0x1b0 [] kernel_init+0x164/0x1ba [] child_rip+0xa/0x20 [] 0xffffffffffffffff unreferenced object 0xffff88002e93da80 (size 192): comm "swapper", pid 1, jiffies 4294892831 backtrace: [] create_object+0x13d/0x2d0 [] kmemleak_alloc+0x25/0x60 [] __kmalloc+0x16b/0x250 [] acpi_processor_register_performance+0x2ad/0x3eb [] acpi_cpufreq_cpu_init+0xad/0x520 [] cpufreq_add_dev+0x175/0x720 [] sysdev_driver_register+0xa6/0x130 [] cpufreq_register_driver+0x80/0x170 [] acpi_cpufreq_init+0x92/0xc9 [] do_one_initcall+0x4b/0x1b0 [] kernel_init+0x164/0x1ba [] child_rip+0xa/0x20 [] 0xffffffffffffffff unreferenced object 0xffff88002e93df00 (size 192): comm "swapper", pid 1, jiffies 4294892832 backtrace: [] create_object+0x13d/0x2d0 [] kmemleak_alloc+0x25/0x60 [] __kmalloc+0x16b/0x250 [] acpi_processor_register_performance+0x2ad/0x3eb [] acpi_cpufreq_cpu_init+0xad/0x520 [] cpufreq_add_dev+0x175/0x720 [] sysdev_driver_register+0xa6/0x130 [] cpufreq_register_driver+0x80/0x170 [] acpi_cpufreq_init+0x92/0xc9 [] do_one_initcall+0x4b/0x1b0 [] kernel_init+0x164/0x1ba [] child_rip+0xa/0x20 [] 0xffffffffffffffff unreferenced object 0xffff880039571800 (size 1024): comm "exe", pid 1168, jiffies 4294893410 backtrace: [] create_object+0x13d/0x2d0 [] kmemleak_alloc+0x25/0x60 [] __kmalloc+0x16b/0x250 [] ext4_mb_init+0x1a1/0x590 [] ext4_fill_super+0x1df3/0x26c0 [] get_sb_bdev+0x16f/0x1b0 [] ext4_get_sb+0x13/0x20 [] vfs_kern_mount+0x76/0x180 [] do_kern_mount+0x4d/0x130 [] do_mount+0x307/0x8b0 [] sys_mount+0x8f/0xe0 [] system_call_fastpath+0x16/0x1b [] 0xffffffffffffffff unreferenced object 0xffff880039571400 (size 1024): comm "exe", pid 1168, jiffies 4294893410 backtrace: [] create_object+0x13d/0x2d0 [] kmemleak_alloc+0x25/0x60 [] __kmalloc+0x16b/0x250 [] ext4_mb_init+0x1a1/0x590 [] ext4_fill_super+0x1df3/0x26c0 [] get_sb_bdev+0x16f/0x1b0 [] ext4_get_sb+0x13/0x20 [] vfs_kern_mount+0x76/0x180 [] do_kern_mount+0x4d/0x130 [] do_mount+0x307/0x8b0 [] sys_mount+0x8f/0xe0 [] system_call_fastpath+0x16/0x1b [] 0xffffffffffffffff unreferenced object 0xffff880039570800 (size 1024): comm "exe", pid 1168, jiffies 4294893410 backtrace: [] create_object+0x13d/0x2d0 [] kmemleak_alloc+0x25/0x60 [] __kmalloc+0x16b/0x250 [] ext4_mb_init+0x1a1/0x590 [] ext4_fill_super+0x1df3/0x26c0 [] get_sb_bdev+0x16f/0x1b0 [] ext4_get_sb+0x13/0x20 [] vfs_kern_mount+0x76/0x180 [] do_kern_mount+0x4d/0x130 [] do_mount+0x307/0x8b0 [] sys_mount+0x8f/0xe0 [] system_call_fastpath+0x16/0x1b [] 0xffffffffffffffff unreferenced object 0xffff880039572000 (size 1024): comm "exe", pid 1168, jiffies 4294893410 backtrace: [] create_object+0x13d/0x2d0 [] kmemleak_alloc+0x25/0x60 [] __kmalloc+0x16b/0x250 [] ext4_mb_init+0x1a1/0x590 [] ext4_fill_super+0x1df3/0x26c0 [] get_sb_bdev+0x16f/0x1b0 [] ext4_get_sb+0x13/0x20 [] vfs_kern_mount+0x76/0x180 [] do_kern_mount+0x4d/0x130 [] do_mount+0x307/0x8b0 [] sys_mount+0x8f/0xe0 [] system_call_fastpath+0x16/0x1b [] 0xffffffffffffffff unreferenced object 0xffff880039573c00 (size 1024): comm "exe", pid 1168, jiffies 4294893410 backtrace: [] create_object+0x13d/0x2d0 [] kmemleak_alloc+0x25/0x60 [] __kmalloc+0x16b/0x250 [] ext4_mb_init+0x1a1/0x590 [] ext4_fill_super+0x1df3/0x26c0 [] get_sb_bdev+0x16f/0x1b0 [] ext4_get_sb+0x13/0x20 [] vfs_kern_mount+0x76/0x180 [] do_kern_mount+0x4d/0x130 [] do_mount+0x307/0x8b0 [] sys_mount+0x8f/0xe0 [] system_call_fastpath+0x16/0x1b [] 0xffffffffffffffff unreferenced object 0xffff880039572800 (size 1024): comm "exe", pid 1168, jiffies 4294893410 backtrace: [] create_object+0x13d/0x2d0 [] kmemleak_alloc+0x25/0x60 [] __kmalloc+0x16b/0x250 [] ext4_mb_init+0x1a1/0x590 [] ext4_fill_super+0x1df3/0x26c0 [] get_sb_bdev+0x16f/0x1b0 [] ext4_get_sb+0x13/0x20 [] vfs_kern_mount+0x76/0x180 [] do_kern_mount+0x4d/0x130 [] do_mount+0x307/0x8b0 [] sys_mount+0x8f/0xe0 [] system_call_fastpath+0x16/0x1b [] 0xffffffffffffffff unreferenced object 0xffff880006ce0400 (size 1024): comm "mplayer", pid 5293, jiffies 4295366945 backtrace: [] create_object+0x13d/0x2d0 [] kmemleak_alloc+0x25/0x60 [] __kmalloc+0x16b/0x250 [] tty_buffer_request_room+0xc0/0x190 [] tty_insert_flip_string+0x3c/0xb0 [] pty_write+0x49/0x70 [] n_tty_write+0x1c0/0x450 [] tty_write+0x1a1/0x290 [] vfs_write+0xb8/0x1a0 [] sys_write+0x4c/0x80 [] system_call_fastpath+0x16/0x1b [] 0xffffffffffffffff unreferenced object 0xffff880006ce1800 (size 1024): comm "mplayer", pid 5293, jiffies 4295366970 backtrace: [] create_object+0x13d/0x2d0 [] kmemleak_alloc+0x25/0x60 [] __kmalloc+0x16b/0x250 [] tty_buffer_request_room+0xc0/0x190 [] tty_insert_flip_string+0x3c/0xb0 [] pty_write+0x49/0x70 [] n_tty_write+0x1c0/0x450 [] tty_write+0x1a1/0x290 [] vfs_write+0xb8/0x1a0 [] sys_write+0x4c/0x80 [] system_call_fastpath+0x16/0x1b [] 0xffffffffffffffff unreferenced object 0xffff880006ce1400 (size 1024): comm "mplayer", pid 5293, jiffies 4295367045 backtrace: [] create_object+0x13d/0x2d0 [] kmemleak_alloc+0x25/0x60 [] __kmalloc+0x16b/0x250 [] tty_buffer_request_room+0xc0/0x190 [] tty_insert_flip_string+0x3c/0xb0 [] pty_write+0x49/0x70 [] n_tty_write+0x1c0/0x450 [] tty_write+0x1a1/0x290 [] vfs_write+0xb8/0x1a0 [] sys_write+0x4c/0x80 [] system_call_fastpath+0x16/0x1b [] 0xffffffffffffffff