Subject: [Bug 205327] New: kmemleak reports various leaks in "swapper/0"

From: [email-masked]
Date: Sat, 26 Oct 2019 19:30:11 +0000

https://bugzilla.kernel.org/show_bug.cgi?id=205327

            Bug ID: 205327
           Summary: kmemleak reports various leaks in "swapper/0"
           Product: Platform Specific/Hardware
           Version: 2.5
    Kernel Version: 5.4-rc4
          Hardware: PPC-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: PPC-64
          Assignee: [email-masked]
          Reporter: [email-masked]
        Regression: No

Created attachment 285655
  --> https://bugzilla.kernel.org/attachment.cgi?id=285655&action=edit
kmemleak output

kmemleak reported various leaks in "swapper/0" while I was building some stuff
via distcc:

unreferenced object 0xc00000027eea64e0 (size 32):
  comm "swapper/0", pid 1, jiffies 4294877673 (age 1568.254s)
  hex dump (first 32 bytes):
    2f 5f 5f 6c 6f 63 61 6c 5f 66 69 78 75 70 73 5f  /__local_fixups_
    5f 00 00 00 00 ca ad c8 00 00 00 00 00 00 00 00  _...............
  backtrace:
    [<00000000e9188659>] .kvasprintf+0x64/0xe0
    [<00000000dc0cdc16>] .kasprintf+0x2c/0x50
    [<0000000000808425>] .attach_node_and_children+0x2c/0x270
    [<00000000a50a500b>] .of_unittest+0x1f4/0x379c
    [<00000000e51cf048>] .do_one_initcall+0x7c/0x430
    [<00000000e6d8e44a>] .kernel_init_freeable+0x2d0/0x3cc
    [<000000005adf1660>] .kernel_init+0x1c/0x138
    [<000000006adcb060>] .ret_from_kernel_thread+0x58/0x64
[...]

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