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Date: Fri, 4 Jun 2010 16:27:54 +0800
From: Dave Young <hidave.darkstar@...il.com>
To: Andrew Morton <akpm@...ux-foundation.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
linux-mm@...ck.org
Subject: mmotm 2010-06-03-16-36 lots of suspected kmemleak
Hi,
With mmotm 2010-06-03-16-36, I gots tuns of kmemleaks
[ 667.904928] kmemleak: 3179 new suspected memory leaks (see
/sys/kernel/debug/kmemleak)
[ 1270.774766] kmemleak: 24037 new suspected memory leaks (see
/sys/kernel/debug/kmemleak)
[ 1873.679754] kmemleak: 2256 new suspected memory leaks (see
/sys/kernel/debug/kmemleak)
unreferenced object 0xdf8f9700 (size 128):
comm "swapper", pid 1, jiffies 4294877413 (age 1491.496s)
hex dump (first 32 bytes):
00 00 00 e0 ff ff bf fe 40 df 99 df 00 02 00 00 ........@.......
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<c149338a>] kmemleak_alloc+0x4a/0x83
[<c10c2259>] __kmalloc+0x147/0x16b
[<c14a2c3e>] pci_acpi_scan_root+0x135/0x1cc
[<c1497fe6>] acpi_pci_root_add+0x159/0x261
[<c12b4414>] acpi_device_probe+0x44/0xfa
[<c13234ac>] driver_probe_device+0x108/0x22b
[<c1323616>] __driver_attach+0x47/0x63
[<c1322d1b>] bus_for_each_dev+0x3d/0x67
[<c1323267>] driver_attach+0x14/0x16
[<c13226cc>] bus_add_driver+0xc4/0x20f
[<c132386f>] driver_register+0x8b/0xeb
[<c12b586d>] acpi_bus_register_driver+0x3a/0x3d
[<c1787429>] acpi_pci_root_init+0x1b/0x2a
[<c1001139>] do_one_initcall+0x4c/0x13f
[<c176237e>] kernel_init+0x132/0x1b3
[<c1002dfa>] kernel_thread_helper+0x6/0x10
unreferenced object 0xdf99df40 (size 16):
comm "swapper", pid 1, jiffies 4294877413 (age 1491.496s)
hex dump (first 16 bytes):
50 43 49 20 42 75 73 20 30 30 30 30 3a 30 30 00 PCI Bus 0000:00.
backtrace:
[<c149338a>] kmemleak_alloc+0x4a/0x83
[<c10c2259>] __kmalloc+0x147/0x16b
[<c1289078>] kvasprintf+0x28/0x45
[<c12890a6>] kasprintf+0x11/0x13
[<c14a2c5a>] pci_acpi_scan_root+0x151/0x1cc
[<c1497fe6>] acpi_pci_root_add+0x159/0x261
[<c12b4414>] acpi_device_probe+0x44/0xfa
[<c13234ac>] driver_probe_device+0x108/0x22b
[<c1323616>] __driver_attach+0x47/0x63
[<c1322d1b>] bus_for_each_dev+0x3d/0x67
[<c1323267>] driver_attach+0x14/0x16
[<c13226cc>] bus_add_driver+0xc4/0x20f
[<c132386f>] driver_register+0x8b/0xeb
[<c12b586d>] acpi_bus_register_driver+0x3a/0x3d
[<c1787429>] acpi_pci_root_init+0x1b/0x2a
[<c1001139>] do_one_initcall+0x4c/0x13f
unreferenced object 0xdfa7d800 (size 2048):
comm "swapper", pid 1, jiffies 4294877624 (age 1490.796s)
hex dump (first 32 bytes):
00 75 ff ff f4 ff ff ff f4 ff ff ff f4 ff ff ff .u..............
f4 ff ff ff c4 ff ff ff c4 ff ff ff f4 ff ff ff ................
backtrace:
[<c149338a>] kmemleak_alloc+0x4a/0x83
[<c10c2259>] __kmalloc+0x147/0x16b
[<c10c4a87>] kzalloc+0xb/0xd
[<c10c4aa1>] pcpu_mem_alloc+0x18/0x35
[<c10c53af>] pcpu_extend_area_map+0x1c/0xaa
[<c10c55c5>] pcpu_alloc+0x188/0x735
[<c10c5b8b>] __alloc_percpu+0xa/0xf
[<c129133e>] __percpu_counter_init+0x42/0x92
[<c10a9b3d>] bdi_init+0x114/0x15f
[<c12721b9>] blk_alloc_queue_node+0x60/0x167
[<c12722cb>] blk_alloc_queue+0xb/0xd
[<c132c91f>] loop_alloc+0x6c/0x149
[<c178b778>] loop_init+0x83/0x16c
[<c1001139>] do_one_initcall+0x4c/0x13f
[<c176237e>] kernel_init+0x132/0x1b3
[<c1002dfa>] kernel_thread_helper+0x6/0x10
unreferenced object 0xdf24e9d8 (size 8):
comm "swapper", pid 1, jiffies 4294878263 (age 1488.670s)
hex dump (first 8 bytes):
30 00 24 df 00 00 00 00 0.$.....
backtrace:
[<c149338a>] kmemleak_alloc+0x4a/0x83
[<c10c2259>] __kmalloc+0x147/0x16b
[<c1289078>] kvasprintf+0x28/0x45
[<c1281579>] kobject_set_name_vargs+0x21/0x50
[<c12815c0>] kobject_add_varg+0x18/0x41
[<c128164e>] kobject_add+0x43/0x49
[<c13f89f7>] add_sysfs_fw_map_entry+0x56/0x6f
[<c179054c>] memmap_init+0x12/0x2c
[<c1001139>] do_one_initcall+0x4c/0x13f
[<c176237e>] kernel_init+0x132/0x1b3
[<c1002dfa>] kernel_thread_helper+0x6/0x10
[<ffffffff>] 0xffffffff
unreferenced object 0xdf24e9e8 (size 8):
comm "swapper", pid 1, jiffies 4294878263 (age 1488.670s)
hex dump (first 8 bytes):
31 00 24 df 00 00 00 00 1.$.....
backtrace:
[<c149338a>] kmemleak_alloc+0x4a/0x83
[<c10c2259>] __kmalloc+0x147/0x16b
[<c1289078>] kvasprintf+0x28/0x45
[<c1281579>] kobject_set_name_vargs+0x21/0x50
[<c12815c0>] kobject_add_varg+0x18/0x41
[<c128164e>] kobject_add+0x43/0x49
[<c13f89f7>] add_sysfs_fw_map_entry+0x56/0x6f
[<c179054c>] memmap_init+0x12/0x2c
[<c1001139>] do_one_initcall+0x4c/0x13f
[<c176237e>] kernel_init+0x132/0x1b3
[<c1002dfa>] kernel_thread_helper+0x6/0x10
[<ffffffff>] 0xffffffff
unreferenced object 0xdf24e9f8 (size 8):
comm "swapper", pid 1, jiffies 4294878263 (age 1488.673s)
hex dump (first 8 bytes):
32 00 24 df 00 00 00 00 2.$.....
backtrace:
[<c149338a>] kmemleak_alloc+0x4a/0x83
[<c10c2259>] __kmalloc+0x147/0x16b
[<c1289078>] kvasprintf+0x28/0x45
[<c1281579>] kobject_set_name_vargs+0x21/0x50
[<c12815c0>] kobject_add_varg+0x18/0x41
[<c128164e>] kobject_add+0x43/0x49
[<c13f89f7>] add_sysfs_fw_map_entry+0x56/0x6f
[<c179054c>] memmap_init+0x12/0x2c
[<c1001139>] do_one_initcall+0x4c/0x13f
[<c176237e>] kernel_init+0x132/0x1b3
[<c1002dfa>] kernel_thread_helper+0x6/0x10
[<ffffffff>] 0xffffffff
unreferenced object 0xdf24ea08 (size 8):
comm "swapper", pid 1, jiffies 4294878263 (age 1488.673s)
hex dump (first 8 bytes):
33 00 24 df 00 00 00 00 3.$.....
backtrace:
[<c149338a>] kmemleak_alloc+0x4a/0x83
[<c10c2259>] __kmalloc+0x147/0x16b
[<c1289078>] kvasprintf+0x28/0x45
[<c1281579>] kobject_set_name_vargs+0x21/0x50
[<c12815c0>] kobject_add_varg+0x18/0x41
[<c128164e>] kobject_add+0x43/0x49
[<c13f89f7>] add_sysfs_fw_map_entry+0x56/0x6f
[<c179054c>] memmap_init+0x12/0x2c
[<c1001139>] do_one_initcall+0x4c/0x13f
[<c176237e>] kernel_init+0x132/0x1b3
[<c1002dfa>] kernel_thread_helper+0x6/0x10
[<ffffffff>] 0xffffffff
unreferenced object 0xdf24ea18 (size 8):
comm "swapper", pid 1, jiffies 4294878263 (age 1488.673s)
hex dump (first 8 bytes):
34 00 24 df 00 00 00 00 4.$.....
backtrace:
[<c149338a>] kmemleak_alloc+0x4a/0x83
[<c10c2259>] __kmalloc+0x147/0x16b
[<c1289078>] kvasprintf+0x28/0x45
[<c1281579>] kobject_set_name_vargs+0x21/0x50
[<c12815c0>] kobject_add_varg+0x18/0x41
[<c128164e>] kobject_add+0x43/0x49
[<c13f89f7>] add_sysfs_fw_map_entry+0x56/0x6f
[<c179054c>] memmap_init+0x12/0x2c
[<c1001139>] do_one_initcall+0x4c/0x13f
[<c176237e>] kernel_init+0x132/0x1b3
[<c1002dfa>] kernel_thread_helper+0x6/0x10
[<ffffffff>] 0xffffffff
unreferenced object 0xdf24ea28 (size 8):
comm "swapper", pid 1, jiffies 4294878263 (age 1488.673s)
hex dump (first 8 bytes):
35 00 24 df 00 00 00 00 5.$.....
backtrace:
[<c149338a>] kmemleak_alloc+0x4a/0x83
[<c10c2259>] __kmalloc+0x147/0x16b
[<c1289078>] kvasprintf+0x28/0x45
[<c1281579>] kobject_set_name_vargs+0x21/0x50
[<c12815c0>] kobject_add_varg+0x18/0x41
[<c128164e>] kobject_add+0x43/0x49
[<c13f89f7>] add_sysfs_fw_map_entry+0x56/0x6f
[<c179054c>] memmap_init+0x12/0x2c
[<c1001139>] do_one_initcall+0x4c/0x13f
[<c176237e>] kernel_init+0x132/0x1b3
[<c1002dfa>] kernel_thread_helper+0x6/0x10
[<ffffffff>] 0xffffffff
unreferenced object 0xdec4e0c0 (size 44):
comm "init", pid 1, jiffies 4294878357 (age 1488.363s)
hex dump (first 32 bytes):
02 02 00 00 ad 4e ad de ff ff ff ff ff ff ff ff .....N..........
98 c2 d8 c1 00 00 00 00 3c 7d 63 c1 30 e0 c4 de ........<}c.0...
backtrace:
[<c149338a>] kmemleak_alloc+0x4a/0x83
[<c10c1aca>] kmem_cache_alloc+0xde/0x12a
[<c10b4217>] anon_vma_fork+0x31/0x88
[<c102c71d>] dup_mm+0x1d3/0x38f
[<c102d20d>] copy_process+0x8ce/0xf39
[<c102d990>] do_fork+0x118/0x295
[<c1007fe0>] sys_clone+0x1f/0x24
[<c10029b1>] ptregs_clone+0x15/0x24
[<ffffffff>] 0xffffffff
unreferenced object 0xdec4e240 (size 44):
comm "init", pid 768, jiffies 4294878359 (age 1488.356s)
hex dump (first 32 bytes):
fc fc 00 00 ad 4e ad de ff ff ff ff ff ff ff ff .....N..........
98 c2 d8 c1 00 00 00 00 3c 7d 63 c1 40 e2 c4 de ........<}c.@...
backtrace:
[<c149338a>] kmemleak_alloc+0x4a/0x83
[<c10c1aca>] kmem_cache_alloc+0xde/0x12a
[<c10b42e0>] anon_vma_prepare+0x72/0x12e
[<c10ad3e1>] handle_mm_fault+0x153/0x60d
[<c10ada62>] __get_user_pages+0x1c7/0x2c6
[<c10adbd3>] get_user_pages+0x39/0x41
[<c10cc80a>] get_arg_page+0x33/0x83
[<c10cc922>] copy_strings+0xc8/0x165
[<c10cc9db>] copy_strings_kernel+0x1c/0x2b
[<c10cdd10>] do_execve+0x14d/0x257
[<c1007f13>] sys_execve+0x2b/0x53
[<c1002946>] ptregs_execve+0x12/0x18
[<ffffffff>] 0xffffffff
unreferenced object 0xdec4e210 (size 44):
comm "rc.S", pid 768, jiffies 4294878359 (age 1488.356s)
hex dump (first 32 bytes):
eb eb 00 00 ad 4e ad de ff ff ff ff ff ff ff ff .....N..........
98 c2 d8 c1 00 00 00 00 3c 7d 63 c1 10 e2 c4 de ........<}c.....
backtrace:
[<c149338a>] kmemleak_alloc+0x4a/0x83
[<c10c1aca>] kmem_cache_alloc+0xde/0x12a
[<c10b42e0>] anon_vma_prepare+0x72/0x12e
[<c10abad2>] __do_fault+0x73/0x307
[<c10ad52a>] handle_mm_fault+0x29c/0x60d
[<c14b046e>] do_page_fault+0x2ee/0x304
[<c14ae177>] error_code+0x6b/0x70
[<c10f94c3>] load_elf_binary+0x6d7/0x111c
[<c10cca88>] search_binary_handler+0x9e/0x20c
[<c10f7917>] load_script+0x177/0x188
[<c10cca88>] search_binary_handler+0x9e/0x20c
[<c10cdd6a>] do_execve+0x1a7/0x257
[<c1007f13>] sys_execve+0x2b/0x53
[<c1002946>] ptregs_execve+0x12/0x18
[<ffffffff>] 0xffffffff
unreferenced object 0xdec4e1e0 (size 44):
comm "rc.S", pid 768, jiffies 4294878360 (age 1488.353s)
hex dump (first 32 bytes):
e5 e5 00 00 ad 4e ad de ff ff ff ff ff ff ff ff .....N..........
98 c2 d8 c1 00 00 00 00 3c 7d 63 c1 e0 e1 c4 de ........<}c.....
backtrace:
[<c149338a>] kmemleak_alloc+0x4a/0x83
[<c10c1aca>] kmem_cache_alloc+0xde/0x12a
[<c10b42e0>] anon_vma_prepare+0x72/0x12e
[<c10abad2>] __do_fault+0x73/0x307
[<c10ad52a>] handle_mm_fault+0x29c/0x60d
[<c14b046e>] do_page_fault+0x2ee/0x304
[<c14ae177>] error_code+0x6b/0x70
[<c10f9782>] load_elf_binary+0x996/0x111c
[<c10cca88>] search_binary_handler+0x9e/0x20c
[<c10f7917>] load_script+0x177/0x188
[<c10cca88>] search_binary_handler+0x9e/0x20c
[<c10cdd6a>] do_execve+0x1a7/0x257
[<c1007f13>] sys_execve+0x2b/0x53
[<c1002946>] ptregs_execve+0x12/0x18
[<ffffffff>] 0xffffffff
unreferenced object 0xdec4e1b0 (size 44):
comm "rc.S", pid 768, jiffies 4294878360 (age 1488.356s)
hex dump (first 32 bytes):
fe fe 00 00 ad 4e ad de ff ff ff ff ff ff ff ff .....N..........
98 c2 d8 c1 00 00 00 00 3c 7d 63 c1 b0 e1 c4 de ........<}c.....
backtrace:
[<c149338a>] kmemleak_alloc+0x4a/0x83
[<c10c1aca>] kmem_cache_alloc+0xde/0x12a
[<c10b42e0>] anon_vma_prepare+0x72/0x12e
[<c10ad3e1>] handle_mm_fault+0x153/0x60d
[<c14b046e>] do_page_fault+0x2ee/0x304
[<c14ae177>] error_code+0x6b/0x70
[<ffffffff>] 0xffffffff
unreferenced object 0xdec4e180 (size 44):
comm "rc.S", pid 768, jiffies 4294878360 (age 1488.356s)
hex dump (first 32 bytes):
fe fe 00 00 ad 4e ad de ff ff ff ff ff ff ff ff .....N..........
98 c2 d8 c1 00 00 00 00 3c 7d 63 c1 80 e1 c4 de ........<}c.....
backtrace:
[<c149338a>] kmemleak_alloc+0x4a/0x83
[<c10c1aca>] kmem_cache_alloc+0xde/0x12a
[<c10b42e0>] anon_vma_prepare+0x72/0x12e
[<c10abad2>] __do_fault+0x73/0x307
[<c10ad52a>] handle_mm_fault+0x29c/0x60d
[<c14b046e>] do_page_fault+0x2ee/0x304
[<c14ae177>] error_code+0x6b/0x70
[<ffffffff>] 0xffffffff
[snip similar vma issue .....]
--
Regards
dave
--
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