[Bugme-new] [Bug 21202] New: kmemleak in device_resume

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=21202

           Summary: kmemleak in device_resume
           Product: Drivers
           Version: 2.5
    Kernel Version: 2.6.36
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: USB
        AssignedTo: greg at kroah.com
        ReportedBy: toralf.foerster at gmx.de
        Regression: No


This kmemleak is new with this kernel at my ThinkPad T400, if I s2ram it and
wake it up (FWIW while it is docked) :

tfoerste at n22 ~ $ cat /sys/kernel/debug/kmemleakunreferenced object 0xd9381aa0
(size 32):
  comm "default.sh", pid 15806, jiffies 326609 (age 779.386s)
  hex dump (first 32 bytes):
    00 af 0c f7 ff 1e 30 f8 04 e7 14 f7 00 00 00 00  ......0.........
    10 6d 14 f7 cc 67 0e f7 00 03 00 00 00 00 00 00  .m...g..........
  backtrace:
    [<c123e297>] kmemleak_alloc+0x27/0x50
    [<c10a001f>] __kmalloc+0xbf/0x120
    [<f85e5dd2>] usbhid_submit_report+0x92/0x2e0 [usbhid]
    [<f85e60de>] usb_hidinput_input_event+0xbe/0x110 [usbhid]
    [<c11c7961>] input_dev_reset+0x61/0x180
    [<c11c7aaf>] input_dev_resume+0x2f/0x60
    [<c11996a6>] pm_op+0xf6/0x1d0
    [<c1199c6c>] device_resume+0x5c/0xf0
    [<c1199dd5>] dpm_resume_end+0xd5/0x300
    [<c106407c>] suspend_devices_and_enter+0x11c/0x1b0
    [<c10641da>] enter_state+0xca/0xe0
    [<c106397b>] state_store+0x6b/0xb0
    [<c112dfa0>] kobj_attr_store+0x20/0x30
    [<c10eb894>] sysfs_write_file+0x94/0xf0
    [<c10a5f5a>] vfs_write+0x9a/0x170
    [<c10a60ed>] sys_write+0x3d/0x70

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