From: Dave Young <hidave.darkstar@gmail.com>
To: linux-kernel@vger.kernel.org
Subject: kmemleak reporting
Date: Sun, 2 Aug 2009 16:21:48 +0800 [thread overview]
Message-ID: <20090802082148.GA14673@darkstar> (raw)
Hi,
With kmemleak I got following leaking info. 2.6.31-rc5 with Johannes Weiner's patch applied for the vc_resize leaking issue.
[patch] fbcon: don't use vc_resize() on initialization
unreferenced object 0xf71aa0c0 (size 64):
comm "swapper", pid 1, jiffies 4294877648
backtrace:
[<c1097f31>] create_object+0x140/0x210
[<c1098026>] kmemleak_alloc+0x25/0x49
[<c10935e0>] kmemleak_alloc_recursive+0x11/0x14
[<c1094323>] __kmalloc+0x15d/0x183
[<c11593d1>] kzalloc+0xb/0xd
[<c11599c9>] acpi_add_single_object+0x58b/0xddb
[<c115a3ed>] acpi_bus_scan+0xff/0x170
[<c157c92f>] acpi_scan_init+0xb7/0xdc
[<c157c7f8>] acpi_init+0x218/0x25e
[<c1001137>] do_one_initcall+0x4a/0x11a
[<c155f530>] kernel_init+0x124/0x175
[<c1003dc7>] kernel_thread_helper+0x7/0x10
[<ffffffff>] 0xffffffff
unreferenced object 0xf71aa280 (size 64):
comm "swapper", pid 1, jiffies 4294877650
backtrace:
[<c1097f31>] create_object+0x140/0x210
[<c1098026>] kmemleak_alloc+0x25/0x49
[<c10935e0>] kmemleak_alloc_recursive+0x11/0x14
[<c1094323>] __kmalloc+0x15d/0x183
[<c11593d1>] kzalloc+0xb/0xd
[<c11599c9>] acpi_add_single_object+0x58b/0xddb
[<c115a3ed>] acpi_bus_scan+0xff/0x170
[<c157c92f>] acpi_scan_init+0xb7/0xdc
[<c157c7f8>] acpi_init+0x218/0x25e
[<c1001137>] do_one_initcall+0x4a/0x11a
[<c155f530>] kernel_init+0x124/0x175
[<c1003dc7>] kernel_thread_helper+0x7/0x10
[<ffffffff>] 0xffffffff
unreferenced object 0xf71aaec0 (size 64):
comm "swapper", pid 1, jiffies 4294877652
backtrace:
[<c1097f31>] create_object+0x140/0x210
[<c1098026>] kmemleak_alloc+0x25/0x49
[<c10935e0>] kmemleak_alloc_recursive+0x11/0x14
[<c1094323>] __kmalloc+0x15d/0x183
[<c11593d1>] kzalloc+0xb/0xd
[<c11599c9>] acpi_add_single_object+0x58b/0xddb
[<c115a3ed>] acpi_bus_scan+0xff/0x170
[<c157c92f>] acpi_scan_init+0xb7/0xdc
[<c157c7f8>] acpi_init+0x218/0x25e
[<c1001137>] do_one_initcall+0x4a/0x11a
[<c155f530>] kernel_init+0x124/0x175
[<c1003dc7>] kernel_thread_helper+0x7/0x10
[<ffffffff>] 0xffffffff
unreferenced object 0xf6639100 (size 64):
comm "swapper", pid 1, jiffies 4294878947
backtrace:
[<c1097f31>] create_object+0x140/0x210
[<c1098026>] kmemleak_alloc+0x25/0x49
[<c10935e0>] kmemleak_alloc_recursive+0x11/0x14
[<c1094323>] __kmalloc+0x15d/0x183
[<c100fff6>] acpi_cpufreq_cpu_init+0x211/0x54b
[<c1288664>] cpufreq_add_dev+0x1b9/0x648
[<c11d6566>] sysdev_driver_register+0x96/0xe5
[<c1288d15>] cpufreq_register_driver+0xa1/0x168
[<c1567e20>] acpi_cpufreq_init+0xad/0xbf
[<c1001137>] do_one_initcall+0x4a/0x11a
[<c155f530>] kernel_init+0x124/0x175
[<c1003dc7>] kernel_thread_helper+0x7/0x10
[<ffffffff>] 0xffffffff
unreferenced object 0xf45eb280 (size 64):
comm "pm-suspend", pid 2038, jiffies 372178
backtrace:
[<c1097f31>] create_object+0x140/0x210
[<c1098026>] kmemleak_alloc+0x25/0x49
[<c10935e0>] kmemleak_alloc_recursive+0x11/0x14
[<c1094323>] __kmalloc+0x15d/0x183
[<c100fff6>] acpi_cpufreq_cpu_init+0x211/0x54b
[<c1288664>] cpufreq_add_dev+0x1b9/0x648
[<c13389dc>] cpufreq_cpu_callback+0x5b/0x65
[<c133c6a4>] notifier_call_chain+0x2b/0x4a
[<c103ecd1>] __raw_notifier_call_chain+0xe/0x10
[<c103ecdf>] raw_notifier_call_chain+0xc/0xe
[<c133713a>] _cpu_up+0xbe/0xf3
[<c13238be>] enable_nonboot_cpus+0x37/0x83
[<c1052aa4>] suspend_devices_and_enter+0x122/0x17f
[<c1052bde>] enter_state+0xdd/0x11e
[<c10523f0>] state_store+0x96/0xac
[<c112c014>] kobj_attr_store+0x1a/0x22
unreferenced object 0xc02ee448 (size 8):
comm "pm-suspend", pid 2038, jiffies 372178
backtrace:
[<c1097f31>] create_object+0x140/0x210
[<c1098026>] kmemleak_alloc+0x25/0x49
[<c10935e0>] kmemleak_alloc_recursive+0x11/0x14
[<c1094efd>] __kmalloc_track_caller+0x15b/0x181
[<c107f629>] kstrdup+0x2a/0x4c
[<c10d9044>] sysfs_new_dirent+0x28/0xd8
[<c10d941d>] create_dir+0x24/0x68
[<c10d948e>] sysfs_create_dir+0x2d/0x41
[<c112c332>] kobject_add_internal+0xb3/0x157
[<c112c48f>] kobject_add_varg+0x35/0x41
[<c112c4c1>] kobject_init_and_add+0x26/0x28
[<c1288836>] cpufreq_add_dev+0x38b/0x648
[<c13389dc>] cpufreq_cpu_callback+0x5b/0x65
[<c133c6a4>] notifier_call_chain+0x2b/0x4a
[<c103ecd1>] __raw_notifier_call_chain+0xe/0x10
[<c103ecdf>] raw_notifier_call_chain+0xc/0xe
unreferenced object 0xe5b06900 (size 48):
comm "pm-suspend", pid 2038, jiffies 372178
backtrace:
[<c1097f31>] create_object+0x140/0x210
[<c1098026>] kmemleak_alloc+0x25/0x49
[<c10935e0>] kmemleak_alloc_recursive+0x11/0x14
[<c1094008>] kmem_cache_alloc+0xed/0x13a
[<c10d9062>] sysfs_new_dirent+0x46/0xd8
[<c10d941d>] create_dir+0x24/0x68
[<c10d948e>] sysfs_create_dir+0x2d/0x41
[<c112c332>] kobject_add_internal+0xb3/0x157
[<c112c48f>] kobject_add_varg+0x35/0x41
[<c112c4c1>] kobject_init_and_add+0x26/0x28
[<c1288836>] cpufreq_add_dev+0x38b/0x648
[<c13389dc>] cpufreq_cpu_callback+0x5b/0x65
[<c133c6a4>] notifier_call_chain+0x2b/0x4a
[<c103ecd1>] __raw_notifier_call_chain+0xe/0x10
[<c103ecdf>] raw_notifier_call_chain+0xc/0xe
[<c133713a>] _cpu_up+0xbe/0xf3
unreferenced object 0xc02ee450 (size 8):
comm "pm-suspend", pid 2038, jiffies 372178
backtrace:
[<c1097f31>] create_object+0x140/0x210
[<c1098026>] kmemleak_alloc+0x25/0x49
[<c10935e0>] kmemleak_alloc_recursive+0x11/0x14
[<c1094efd>] __kmalloc_track_caller+0x15b/0x181
[<c107f629>] kstrdup+0x2a/0x4c
[<c10d9044>] sysfs_new_dirent+0x28/0xd8
[<c10d941d>] create_dir+0x24/0x68
[<c10d94b3>] sysfs_create_subdir+0x11/0x16
[<c10da536>] internal_create_group+0x3a/0x11a
[<c10da633>] sysfs_create_group+0xc/0x11
[<c12894de>] cpufreq_stat_notifier_policy+0x8f/0x195
[<c133c6a4>] notifier_call_chain+0x2b/0x4a
[<c103ee33>] __blocking_notifier_call_chain+0x37/0x4c
[<c103ee54>] blocking_notifier_call_chain+0xc/0xe
[<c12879d3>] __cpufreq_set_policy+0xb1/0x1c3
[<c12889d1>] cpufreq_add_dev+0x526/0x648
unreferenced object 0xe5b06bd0 (size 48):
comm "pm-suspend", pid 2038, jiffies 372178
backtrace:
[<c1097f31>] create_object+0x140/0x210
[<c1098026>] kmemleak_alloc+0x25/0x49
[<c10935e0>] kmemleak_alloc_recursive+0x11/0x14
[<c1094008>] kmem_cache_alloc+0xed/0x13a
[<c10d9062>] sysfs_new_dirent+0x46/0xd8
[<c10d941d>] create_dir+0x24/0x68
[<c10d94b3>] sysfs_create_subdir+0x11/0x16
[<c10da536>] internal_create_group+0x3a/0x11a
[<c10da633>] sysfs_create_group+0xc/0x11
[<c12894de>] cpufreq_stat_notifier_policy+0x8f/0x195
[<c133c6a4>] notifier_call_chain+0x2b/0x4a
[<c103ee33>] __blocking_notifier_call_chain+0x37/0x4c
[<c103ee54>] blocking_notifier_call_chain+0xc/0xe
[<c12879d3>] __cpufreq_set_policy+0xb1/0x1c3
[<c12889d1>] cpufreq_add_dev+0x526/0x648
[<c13389dc>] cpufreq_cpu_callback+0x5b/0x65
unreferenced object 0xe5b06c00 (size 48):
comm "pm-suspend", pid 2038, jiffies 372178
backtrace:
[<c1097f31>] create_object+0x140/0x210
[<c1098026>] kmemleak_alloc+0x25/0x49
[<c10935e0>] kmemleak_alloc_recursive+0x11/0x14
[<c1094008>] kmem_cache_alloc+0xed/0x13a
[<c10d9062>] sysfs_new_dirent+0x46/0xd8
[<c10d8883>] sysfs_add_file_mode+0x2a/0x67
[<c10da5b4>] internal_create_group+0xb8/0x11a
[<c10da633>] sysfs_create_group+0xc/0x11
[<c12894de>] cpufreq_stat_notifier_policy+0x8f/0x195
[<c133c6a4>] notifier_call_chain+0x2b/0x4a
[<c103ee33>] __blocking_notifier_call_chain+0x37/0x4c
[<c103ee54>] blocking_notifier_call_chain+0xc/0xe
[<c12879d3>] __cpufreq_set_policy+0xb1/0x1c3
[<c12889d1>] cpufreq_add_dev+0x526/0x648
[<c13389dc>] cpufreq_cpu_callback+0x5b/0x65
[<c133c6a4>] notifier_call_chain+0x2b/0x4a
unreferenced object 0xe5b06c30 (size 48):
comm "pm-suspend", pid 2038, jiffies 372178
backtrace:
[<c1097f31>] create_object+0x140/0x210
[<c1098026>] kmemleak_alloc+0x25/0x49
[<c10935e0>] kmemleak_alloc_recursive+0x11/0x14
[<c1094008>] kmem_cache_alloc+0xed/0x13a
[<c10d9062>] sysfs_new_dirent+0x46/0xd8
[<c10d8883>] sysfs_add_file_mode+0x2a/0x67
[<c10da5b4>] internal_create_group+0xb8/0x11a
[<c10da633>] sysfs_create_group+0xc/0x11
[<c12894de>] cpufreq_stat_notifier_policy+0x8f/0x195
[<c133c6a4>] notifier_call_chain+0x2b/0x4a
[<c103ee33>] __blocking_notifier_call_chain+0x37/0x4c
[<c103ee54>] blocking_notifier_call_chain+0xc/0xe
[<c12879d3>] __cpufreq_set_policy+0xb1/0x1c3
[<c12889d1>] cpufreq_add_dev+0x526/0x648
[<c13389dc>] cpufreq_cpu_callback+0x5b/0x65
[<c133c6a4>] notifier_call_chain+0x2b/0x4a
unreferenced object 0xe5b06c60 (size 48):
comm "pm-suspend", pid 2038, jiffies 372178
backtrace:
[<c1097f31>] create_object+0x140/0x210
[<c1098026>] kmemleak_alloc+0x25/0x49
[<c10935e0>] kmemleak_alloc_recursive+0x11/0x14
[<c1094008>] kmem_cache_alloc+0xed/0x13a
[<c10d9062>] sysfs_new_dirent+0x46/0xd8
[<c10d8883>] sysfs_add_file_mode+0x2a/0x67
[<c10da5b4>] internal_create_group+0xb8/0x11a
[<c10da633>] sysfs_create_group+0xc/0x11
[<c12894de>] cpufreq_stat_notifier_policy+0x8f/0x195
[<c133c6a4>] notifier_call_chain+0x2b/0x4a
[<c103ee33>] __blocking_notifier_call_chain+0x37/0x4c
[<c103ee54>] blocking_notifier_call_chain+0xc/0xe
[<c12879d3>] __cpufreq_set_policy+0xb1/0x1c3
[<c12889d1>] cpufreq_add_dev+0x526/0x648
[<c13389dc>] cpufreq_cpu_callback+0x5b/0x65
[<c133c6a4>] notifier_call_chain+0x2b/0x4a
--
Regards
dave
reply other threads:[~2009-08-02 8:21 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20090802082148.GA14673@darkstar \
--to=hidave.darkstar@gmail.com \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.