linux-kernel - 2.6.37-rc1 kmemleak warnings when saving a file over cifs.

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Date:	Tue, 9 Nov 2010 11:13:38 +1100
From:	Andrew Hendry <andrew.hendry@...il.com>
To:	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-cifs@...r.kernel.org
Subject: 2.6.37-rc1 kmemleak warnings when saving a file over cifs.

Have just noticed these in the past few days, now running 2.6.37-rc1+
Seems to be 1 logged per file save when using a text file with gedit over cifs.

unreferenced object 0xffff88022ee08b40 (size 32):
  comm "gedit", pid 2524, jiffies 4300160388 (age 2633.655s)
  hex dump (first 32 bytes):
    5c 2e 67 6f 75 74 70 75 74 73 74 72 65 61 6d 2d  \.goutputstream-
    35 42 41 53 4c 56 00 de 09 00 00 00 2c 26 78 ee  5BASLV......,&x.
  backtrace:
    [<ffffffff81504a4d>] kmemleak_alloc+0x2d/0x60
    [<ffffffff81136e13>] __kmalloc+0xe3/0x1d0
    [<ffffffffa0313db0>] build_path_from_dentry+0xf0/0x230 [cifs]
    [<ffffffffa031ae1e>] cifs_setattr+0x9e/0x770 [cifs]
    [<ffffffff8115fe90>] notify_change+0x170/0x2e0
    [<ffffffff81145ceb>] sys_fchmod+0x10b/0x140
    [<ffffffff8100c172>] system_call_fastpath+0x16/0x1b
    [<ffffffffffffffff>] 0xffffffffffffffff

unreferenced object 0xffff88022b469ca0 (size 32):
  comm "gedit", pid 2543, jiffies 4300529624 (age 2264.419s)
  hex dump (first 32 bytes):
    5c 2e 67 6f 75 74 70 75 74 73 74 72 65 61 6d 2d  \.goutputstream-
    30 38 53 59 4c 56 00 de 01 00 00 00 00 00 00 00  08SYLV..........
  backtrace:
    [<ffffffff81504a4d>] kmemleak_alloc+0x2d/0x60
    [<ffffffff81136e13>] __kmalloc+0xe3/0x1d0
    [<ffffffffa0313db0>] build_path_from_dentry+0xf0/0x230 [cifs]
    [<ffffffffa031ae1e>] cifs_setattr+0x9e/0x770 [cifs]
    [<ffffffff8115fe90>] notify_change+0x170/0x2e0
    [<ffffffff811457cf>] chown_common+0x9f/0xc0
    [<ffffffff8114588e>] sys_fchown+0x9e/0xc0
    [<ffffffff8100c172>] system_call_fastpath+0x16/0x1b
    [<ffffffffffffffff>] 0xffffffffffffffff

unreferenced object 0xffff88022b5f8d20 (size 32):
  comm "gedit", pid 1885, jiffies 4294979706 (age 1221.634s)
  hex dump (first 32 bytes):
    5c 2e 67 6f 75 74 70 75 74 73 74 72 65 61 6d 2d  \.goutputstream-
    34 38 38 59 4c 56 00 de 02 00 00 00 00 00 00 00  488YLV..........
  backtrace:
    [<ffffffff81505bad>] kmemleak_alloc+0x2d/0x60
    [<ffffffff81136e23>] __kmalloc+0xe3/0x1d0
    [<ffffffffa0329b90>] build_path_from_dentry+0xf0/0x230 [cifs]
    [<ffffffffa0330abe>] cifs_setattr+0x9e/0x770 [cifs]
    [<ffffffff8115fea0>] notify_change+0x170/0x2e0
    [<ffffffff81145cfb>] sys_fchmod+0x10b/0x140
    [<ffffffff8100c172>] system_call_fastpath+0x16/0x1b
    [<ffffffffffffffff>] 0xffffffffffffffff
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