Messages in this thread | | | From | Bernd Schubert <> | Subject | 3.0-rc3 kmemleak reports | Date | Tue, 21 Jun 2011 11:40:15 +0200 |
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For some reasons I build a kernel with kmemleak support and got a few reports.
(squeeze-x86_64)fslab2:~# cat /sys/kernel/debug/kmemleak
unreferenced object 0xffff8800bf738000 (size 512): comm "swapper", pid 1, jiffies 4294892604 (age 48783.440s) hex dump (first 32 bytes): 00 00 00 cc 00 00 00 00 ff ff 3f ce 00 00 00 00 ..........?..... c8 e3 49 bf 00 88 ff ff 00 02 00 00 00 00 00 00 ..I............. backtrace: [<ffffffff813779be>] kmemleak_alloc+0x5e/0xc0 [<ffffffff8113c3f3>] __kmalloc+0x133/0x1e0 [<ffffffff812d8ad9>] get_current_resources+0x79/0x1b0 [<ffffffff8137cdff>] pci_acpi_scan_root+0x14a/0x1a7 [<ffffffff8137bb30>] acpi_pci_root_add+0x197/0x36b [<ffffffff8123179a>] acpi_device_probe+0x50/0x122 [<ffffffff812a21e7>] really_probe+0x77/0x240 [<ffffffff812a23eb>] driver_probe_device+0x3b/0x80 [<ffffffff812a24cb>] __driver_attach+0x9b/0xa0 [<ffffffff812a14ec>] bus_for_each_dev+0x6c/0xa0 [<ffffffff812a1f9e>] driver_attach+0x1e/0x20 [<ffffffff812a1940>] bus_add_driver+0x200/0x2b0 [<ffffffff812a2b30>] driver_register+0x80/0x150 [<ffffffff81232705>] acpi_bus_register_driver+0x43/0x45 [<ffffffff8188df34>] acpi_pci_root_init+0x1e/0x2d [<ffffffff81002073>] do_one_initcall+0x43/0x190
unreferenced object 0xffff8801fa6c8948 (size 192): comm "swapper", pid 1, jiffies 4294892696 (age 48783.072s) hex dump (first 32 bytes): 00 00 50 df 00 00 00 00 ff ff 6f df 00 00 00 00 ..P.......o..... 18 1e 7b fa 01 88 ff ff 00 02 00 00 00 00 00 00 ..{............. backtrace: [<ffffffff813779be>] kmemleak_alloc+0x5e/0xc0 [<ffffffff8113c3f3>] __kmalloc+0x133/0x1e0 [<ffffffff812d8ad9>] get_current_resources+0x79/0x1b0 [<ffffffff8137cdff>] pci_acpi_scan_root+0x14a/0x1a7 [<ffffffff8137bb30>] acpi_pci_root_add+0x197/0x36b [<ffffffff8123179a>] acpi_device_probe+0x50/0x122 [<ffffffff812a21e7>] really_probe+0x77/0x240 [<ffffffff812a23eb>] driver_probe_device+0x3b/0x80 [<ffffffff812a24cb>] __driver_attach+0x9b/0xa0 [<ffffffff812a14ec>] bus_for_each_dev+0x6c/0xa0 [<ffffffff812a1f9e>] driver_attach+0x1e/0x20 [<ffffffff812a1940>] bus_add_driver+0x200/0x2b0 [<ffffffff812a2b30>] driver_register+0x80/0x150 [<ffffffff81232705>] acpi_bus_register_driver+0x43/0x45 [<ffffffff8188df34>] acpi_pci_root_init+0x1e/0x2d [<ffffffff81002073>] do_one_initcall+0x43/0x190 unreferenced object 0xffff8801fa7b1e18 (size 16): comm "swapper", pid 1, jiffies 4294892696 (age 48783.076s) hex dump (first 16 bytes): 50 43 49 20 42 75 73 20 30 30 30 30 3a 38 30 00 PCI Bus 0000:80. backtrace: [<ffffffff813779be>] kmemleak_alloc+0x5e/0xc0 [<ffffffff8113c3f3>] __kmalloc+0x133/0x1e0 [<ffffffff811f9d17>] kvasprintf+0x57/0x90 [<ffffffff811f9d88>] kasprintf+0x38/0x40 [<ffffffff812d8afb>] get_current_resources+0x9b/0x1b0 [<ffffffff8137cdff>] pci_acpi_scan_root+0x14a/0x1a7 [<ffffffff8137bb30>] acpi_pci_root_add+0x197/0x36b [<ffffffff8123179a>] acpi_device_probe+0x50/0x122 [<ffffffff812a21e7>] really_probe+0x77/0x240 [<ffffffff812a23eb>] driver_probe_device+0x3b/0x80 [<ffffffff812a24cb>] __driver_attach+0x9b/0xa0 [<ffffffff812a14ec>] bus_for_each_dev+0x6c/0xa0 [<ffffffff812a1f9e>] driver_attach+0x1e/0x20 [<ffffffff812a1940>] bus_add_driver+0x200/0x2b0 [<ffffffff812a2b30>] driver_register+0x80/0x150 [<ffffffff81232705>] acpi_bus_register_driver+0x43/0x45
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