linux-kernel - 3.x memleaks

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Message-ID: <4E66414E.8060100@blueyonder.co.uk>
Date:	Tue, 06 Sep 2011 16:50:38 +0100
From:	Sid Boyce <sboyce@...eyonder.co.uk>
To:	LKML Mailing List <linux-kernel@...r.kernel.org>
Subject: 3.x memleaks

Since 3.0 I have been seeing memleaks, right up to 3.1.0-rc5. This is 
typical.
AMD x86_64, X2, X4's and openSUSE 12.1 Milestones.
unreferenced object 0xffff88022f007000 (size 512):
   comm "swapper", pid 1, jiffies 4294667649 (age 17727.056s)
   hex dump (first 32 bytes):
     00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
     00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
   backtrace:
     [<ffffffff81490ba6>] kmemleak_alloc+0x56/0xb0
     [<ffffffff8113ca4c>] kmem_cache_alloc_node_trace+0x9c/0x1d0
     [<ffffffff81041ea7>] __sdt_alloc+0xa7/0x1e0
     [<ffffffff81042014>] __visit_domain_allocation_hell+0x34/0xc0
     [<ffffffff8104d489>] build_sched_domains+0x29/0x2e0
     [<ffffffff81c4c5de>] sched_init_smp+0x7d/0x168
     [<ffffffff81c36cca>] kernel_init+0xb8/0x159
     [<ffffffff814bfbb4>] kernel_thread_helper+0x4/0x10
     [<ffffffffffffffff>] 0xffffffffffffffff
unreferenced object 0xffff88022f007600 (size 512):
   comm "swapper", pid 1, jiffies 4294667649 (age 17727.056s)
   hex dump (first 32 bytes):
     00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
     00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
   backtrace:
     [<ffffffff81490ba6>] kmemleak_alloc+0x56/0xb0
     [<ffffffff8113ca4c>] kmem_cache_alloc_node_trace+0x9c/0x1d0
     [<ffffffff81041ea7>] __sdt_alloc+0xa7/0x1e0
     [<ffffffff81042014>] __visit_domain_allocation_hell+0x34/0xc0
     [<ffffffff8104d489>] build_sched_domains+0x29/0x2e0
     [<ffffffff81c4c5de>] sched_init_smp+0x7d/0x168
     [<ffffffff81c36cca>] kernel_init+0xb8/0x159
     [<ffffffff814bfbb4>] kernel_thread_helper+0x4/0x10
     [<ffffffffffffffff>] 0xffffffffffffffff
unreferenced object 0xffff88022f007800 (size 512):
   comm "swapper", pid 1, jiffies 4294667649 (age 17727.056s)
   hex dump (first 32 bytes):
     00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
     00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
   backtrace:
     [<ffffffff81490ba6>] kmemleak_alloc+0x56/0xb0
     [<ffffffff8113ca4c>] kmem_cache_alloc_node_trace+0x9c/0x1d0
     [<ffffffff81041ea7>] __sdt_alloc+0xa7/0x1e0
     [<ffffffff81042014>] __visit_domain_allocation_hell+0x34/0xc0
     [<ffffffff8104d489>] build_sched_domains+0x29/0x2e0
     [<ffffffff81c4c5de>] sched_init_smp+0x7d/0x168
     [<ffffffff81c36cca>] kernel_init+0xb8/0x159
     [<ffffffff814bfbb4>] kernel_thread_helper+0x4/0x10
     [<ffffffffffffffff>] 0xffffffffffffffff
unreferenced object 0xffff88022f007a00 (size 512):
   comm "swapper", pid 1, jiffies 4294667649 (age 17727.056s)
   hex dump (first 32 bytes):
     00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
     00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
   backtrace:
     [<ffffffff81490ba6>] kmemleak_alloc+0x56/0xb0
     [<ffffffff8113ca4c>] kmem_cache_alloc_node_trace+0x9c/0x1d0
     [<ffffffff81041ea7>] __sdt_alloc+0xa7/0x1e0
     [<ffffffff81042014>] __visit_domain_allocation_hell+0x34/0xc0
     [<ffffffff8104d489>] build_sched_domains+0x29/0x2e0
     [<ffffffff81c4c5de>] sched_init_smp+0x7d/0x168
     [<ffffffff81c36cca>] kernel_init+0xb8/0x159
     [<ffffffff814bfbb4>] kernel_thread_helper+0x4/0x10
     [<ffffffffffffffff>] 0xffffffffffffffff
unreferenced object 0xffff88022f007c00 (size 512):
   comm "swapper", pid 1, jiffies 4294667649 (age 17727.056s)
   hex dump (first 32 bytes):
     00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
     00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
   backtrace:
     [<ffffffff81490ba6>] kmemleak_alloc+0x56/0xb0
     [<ffffffff8113ca4c>] kmem_cache_alloc_node_trace+0x9c/0x1d0
     [<ffffffff81041ea7>] __sdt_alloc+0xa7/0x1e0
     [<ffffffff81042014>] __visit_domain_allocation_hell+0x34/0xc0
     [<ffffffff8104d489>] build_sched_domains+0x29/0x2e0
     [<ffffffff81c4c5de>] sched_init_smp+0x7d/0x168
     [<ffffffff81c36cca>] kernel_init+0xb8/0x159
     [<ffffffff814bfbb4>] kernel_thread_helper+0x4/0x10
     [<ffffffffffffffff>] 0xffffffffffffffff
unreferenced object 0xffff88022f007e00 (size 512):
   comm "swapper", pid 1, jiffies 4294667649 (age 18070.657s)
   hex dump (first 32 bytes):
     00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
     00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
   backtrace:
     [<ffffffff81490ba6>] kmemleak_alloc+0x56/0xb0
     [<ffffffff8113ca4c>] kmem_cache_alloc_node_trace+0x9c/0x1d0
     [<ffffffff81041ea7>] __sdt_alloc+0xa7/0x1e0
     [<ffffffff81042014>] __visit_domain_allocation_hell+0x34/0xc0
     [<ffffffff8104d489>] build_sched_domains+0x29/0x2e0
     [<ffffffff81c4c5de>] sched_init_smp+0x7d/0x168
     [<ffffffff81c36cca>] kernel_init+0xb8/0x159
     [<ffffffff814bfbb4>] kernel_thread_helper+0x4/0x10
     [<ffffffffffffffff>] 0xffffffffffffffff
****** the rest truncated *************
Regards
Sid.
-- 
Sid Boyce ... Hamradio License G3VBV, Licensed Private Pilot
Emeritus IBM/Amdahl Mainframes and Sun/Fujitsu Servers Tech Support
Senior Staff Specialist, Cricket Coach
Microsoft Windows Free Zone - Linux used for all Computing Tasks
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