From: Alexey Dobriyan <adobriyan@sw.ru>
To: akpm@osdl.org
Cc: gregkh@suse.de, linux-kernel@vger.kernel.org
Subject: Re: 2.6.23-rc6-mm1: BUG kmalloc-16: Object padding overwritten (sysfs?)
Date: Wed, 19 Sep 2007 16:59:18 +0400 [thread overview]
Message-ID: <20070919125918.GA6760@localhost.sw.ru> (raw)
In-Reply-To: <20070919123907.GA15591@localhost.sw.ru>
On Wed, Sep 19, 2007 at 04:39:07PM +0400, Alexey Dobriyan wrote:
> Occured right after "sudo reboot" invocation (I think)
> with some crash proggies running (which -mm survives)
>
> BUG kmalloc-16: Object padding overwritten
> -----------------------------------------------------------------------------
>
> INFO: 0xffff8101000d7998-0xffff8101000d7998. First byte 0x63 instead of 0x5a
> INFO: Allocated in sysfs_new_dirent+0x100/0x120 age=16985537 cpu=1 pid=3426
> INFO: Freed in kobject_uevent_env+0x123/0x430 age=16985537 cpu=1 pid=3426
> INFO: Slab 0xffff810004802f08 used=21 fp=0xffff8101000d78f0 flags=0x80000000000000c3
> INFO: Object 0xffff8101000d7948 @offset=2376 fp=0xffff8101000d79a0
>
> Bytes b4 0xffff8101000d7938: ef 23 ff 00 01 00 00 00 5a 5a 5a 5a 5a 5a 5a 5a ï#ÿ.....ZZZZZZZZ
> Object 0xffff8101000d7948: 73 75 62 73 79 73 74 65 6d 00 6b 6b 6b 6b 6b a5 subsystem.kkkkk¥
> Redzone 0xffff8101000d7958: cc cc cc cc cc cc cc cc ÌÌÌÌÌÌÌÌ
> Padding 0xffff8101000d7998: 63 5a 5a 5a 5a 5a 5a 5a cZZZZZZZ
Steps to reproduce:
find /sys/slab | xargs cat
now it's
=============================================================================
BUG bio: Padding overwritten. 0x000000000000003a-0x00000000fffffffe
-----------------------------------------------------------------------------
INFO: Slab 0xffff8100048747c0 used=4294967295 fp=0xffff8101021489c0 flags=0x8000000000000002
Call Trace:
[<ffffffff80282169>] slab_err+0x99/0xc0
[<ffffffff8025070f>] mark_held_locks+0x3f/0x80
[<ffffffff80266565>] get_page_from_freelist+0x325/0x540
[<ffffffff8025172c>] __lock_acquire+0x8ac/0x10f0
[<ffffffff80219d9e>] flat_send_IPI_allbutself+0x4e/0x80
[<ffffffff80216fec>] __smp_call_function_mask+0x9c/0xf0
[<ffffffff802822d3>] slab_pad_check+0xe3/0x120
[<ffffffff80284d70>] flush_cpu_slab+0x0/0xc0
[<ffffffff80282f8e>] __free_slab+0x9e/0x140
[<ffffffff80284d70>] flush_cpu_slab+0x0/0xc0
[<ffffffff80233d1b>] on_each_cpu+0x4b/0x90
[<ffffffff80284a52>] list_locations+0xb2/0x380
[<ffffffff80266818>] __alloc_pages+0x58/0x360
[<ffffffff80284d68>] alloc_calls_show+0x18/0x20
[<ffffffff802819b0>] slab_attr_show+0x20/0x30
[<ffffffff802ccaee>] sysfs_read_file+0x9e/0x150
5a5a
<4>
<3>Bytes b4 0xffff810102148230: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148240: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148250: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148260: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148270: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148280: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148290: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff8101021482a0: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Redzone 0xffff8101021482a8: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Padding 0xffff8101021482e8: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
----------------------------------------------------------------------------
<4>
<3>INFO: 0xffff810102148d28-0xffff810102148d2f. First byte 0x5a instead of 0xbb
INFO: Allocated in 0x5a5a5a5a5a5a5a5a age=11936128522577653999 cpu=1515870810 pid=1515870810
INFO: Freed in 0x5a5a5a5a5a5a5a5a age=11936128522577653999 cpu=1515870810 pid=1515870810
INFO: Slab 0xffff8100048747c0 used=4294967295 fp=0xffff8101021489c0 flags=0x8000000000000002
INFO: Object 0xffff810102148cc0 @offset=3264 fp=0x5a5a5a5a5a5a5a5a
Bytes b4 0xffff810102148cb0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148cc0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148cd0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148ce0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148cf0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148d00: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148d10: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148d20: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Redzone 0xffff810102148d28: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Padding 0xffff810102148d68: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Padding 0xffff810102148d78: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Call Trace:
[<ffffffff802827c8>] check_bytes_and_report+0xb8/0x100
[<ffffffff80282a66>] check_object+0x66/0x270
[<ffffffff80282fe5>] __free_slab+0xf5/0x140
[<ffffffff80284d70>] flush_cpu_slab+0x0/0xc0
[<ffffffff80233d1b>] on_each_cpu+0x4b/0x90
[<ffffffff80284a52>] list_locations+0xb2/0x380
[<ffffffff80266818>] __alloc_pages+0x58/0x360
[<ffffffff80284d68>] alloc_calls_show+0x18/0x20
[<ffffffff802819b0>] slab_attr_show+0x20/0x30
[<ffffffff802ccaee>] sysfs_read_file+0x9e/0x150
[<ffffffff80288e0a>] vfs_read+0xaa/0xe0
[<ffffffff80289283>] sys_read+0x53/0x90
[<ffffffff8020bcae>] system_call+0x7e/0x83
FIX bio: Restoring 0xffff810102148d28-0xffff810102148d2f=0xbb
=============================================================================
BUG bio: Redzone overwritten
-----------------------------------------------------------------------------
INFO: 0xffff810102148de8-0xffff810102148def. First byte 0x5a instead of 0xbb
INFO: Allocated in 0x5a5a5a5a5a5a5a5a age=11936128522577653999 cpu=1515870810 pid=1515870810
INFO: Freed in 0x5a5a5a5a5a5a5a5a age=11936128522577653999 cpu=1515870810 pid=1515870810
INFO: Slab 0xffff8100048747c0 used=4294967295 fp=0xffff8101021489c0 flags=0x8000000000000002
INFO: Object 0xffff810102148d80 @offset=3456 fp=0x5a5a5a5a5a5a5a5a
Bytes b4 0xffff810102148d70: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148d80: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148d90: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148da0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148db0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148dc0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148dd0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148de0: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ ZZZZZ
Padding 0xffff8101021485e8: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Padding 0xffff8101021485f8: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Call Trace:
[<ffffffff802827c8>] check_bytes_and_report+0xb8/0x100
[<ffffffff80282a66>] check_object+0x66/0x270
[<ffffffff80282fe5>] __free_slab+0xf5/0x140
[<ffffffff80284d70>] flush_cpu_slab+0x0/0xc0
[<ffffffff80233d1b>] on_each_cpu+0x4b/0x90
[<ffffffff80284a52>] list_locations+0xb2/0x380
[<ffffffff80266818>] __alloc_pages+0x58/0x360
[<ffffffff80284d68>] alloc_calls_show+0x18/0x20
[<ffffffff802819b0>] slab_attr_show+0x20/0x30
[<ffffffff802ccaee>] sysfs_read_file+0x9e/0x150
[<ffffffff80288e0a>] vfs_read+0xaa/0xe0
[<ffffffff80289283>] sys_read+0x53/0x90
[<ffffffff8020bcae>] system_call+0x7e/0x83
FIX bio: Restoring 0xffff8101021485a8-0xffff8101021485af=0xbb
=============================================================================
BUG bio: Redzone overwritten
-----------------------------------------------------------------------------
INFO: 0xffff810102148668-0xffff81010214866f. First byte 0x5a instead of 0xbb
INFO: Allocated in 0x5a5a5a5a5a5a5a5a age=11936128522577653999 cpu=1515870810 pid=1515870810
INFO: Freed in 0x5a5a5a5a5a5a5a5a age=11936128522577653999 cpu=1515870810 pid=1515870810
INFO: Slab 0xffff8100048747c0 used=4294967295 fp=0xffff8101021489c0 flags=0x8000000000000002
INFO: Object 0xffff810102148600 @offset=1536 fp=0x5a5a5a5a5a5a5a5a
Bytes b4 0xffff8101021485f0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148600: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148610: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148620: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148630: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148640: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148650: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148660: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Redzone 0xffff810102148668: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Padding 0xffff8101021486a8: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Padding 0xffff8101021486b8: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Call Trace:
[<ffffffff802827c8>] check_bytes_and_report+0xb8/0x100
[<ffffffff80282a66>] check_object+0x66/0x270
[<ffffffff80282fe5>] __free_slab+0xf5/0x140
[<ffffffff80284d70>] flush_cpu_slab+0x0/0xc0
[<ffffffff80233d1b>] on_each_cpu+0x4b/0x90
[<ffffffff80284a52>] list_locations+0xb2/0x380
[<ffffffff80266818>] __alloc_pages+0x58/0x360
[<ffffffff80284d68>] alloc_calls_show+0x18/0x20
[<ffffffff802819b0>] slab_attr_show+0x20/0x30
[<ffffffff802ccaee>] sysfs_read_file+0x9e/0x150
[<ffffffff80288e0a>] vfs_read+0xaa/0xe0
[<ffffffff80289283>] sys_read+0x53/0x90
[<ffffffff8020bcae>] system_call+0x7e/0x83
FIX bio: Restoring 0xffff810102148668-0xffff81010214866f=0xbb
=============================================================================
BUG bio: Redzone overwritten
-----------------------------------------------------------------------------
INFO: 0xffff810102148728-0xffff81010214872f. First byte 0x5a instead of 0xbb
INFO: Allocated in 0x5a5a5a5a5a5a5a5a age=11936128522577653999 cpu=1515870810 pid=1515870810
INFO: Freed in 0x5a5a5a5a5a5a5a5a age=11936128522577653999 cpu=1515870810 pid=1515870810
INFO: Slab 0xffff8100048747c0 used=4294967295 fp=0xffff8101021489c0 flags=0x8000000000000002
INFO: Object 0xffff8101021486c0 @offset=1728 fp=0x5a5a5a5a5a5a5a5a
Bytes b4 0xffff8101021486b0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff8101021486c0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff8101021486d0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff8101021486e0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff8101021486f0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148700: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148710: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148720: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Redzone 0xffff810102148728: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Padding 0xffff810102148768: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Padding 0xffff810102148778: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Call Trace:
[<ffffffff802827c8>] check_bytes_and_report+0xb8/0x100
[<ffffffff80282a66>] check_object+0x66/0x270
[<ffffffff80282fe5>] __free_slab+0xf5/0x140
[<ffffffff80284d70>] flush_cpu_slab+0x0/0xc0
[<ffffffff80233d1b>] on_each_cpu+0x4b/0x90
[<ffffffff80284a52>] list_locations+0xb2/0x380
[<ffffffff80266818>] __alloc_pages+0x58/0x360
[<ffffffff80284d68>] alloc_calls_show+0x18/0x20
[<ffffffff802819b0>] slab_attr_show+0x20/0x30
[<ffffffff802ccaee>] sysfs_read_file+0x9e/0x150
[<ffffffff80288e0a>] vfs_read+0xaa/0xe0
[<ffffffff80289283>] sys_read+0x53/0x90
[<ffffffff8020bcae>] system_call+0x7e/0x83
FIX bio: Restoring 0xffff810102148728-0xffff81010214872f=0xbb
=============================================================================
BUG bio: Redzone overwritten
-----------------------------------------------------------------------------
INFO: 0xffff8101021487e8-0xffff8101021487ef. First byte 0x5a instead of 0xbb
INFO: Allocated in 0x5a5a5a5a5a5a5a5a age=11936128522577653999 cpu=1515870810 pid=1515870810
INFO: Freed in 0x5a5a5a5a5a5a5a5a age=11936128522577653999 cpu=1515870810 pid=1515870810
INFO: Slab 0xffff8100048747c0 used=4294967295 fp=0xffff8101021489c0 flags=0x8000000000000002
INFO: Object 0xffff810102148780 @offset=1920 fp=0x5a5a5a5a5a5a5a5a
Bytes b4 0xffff810102148770: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148780: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148790: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff8101021487a0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff8101021487b0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff8101021487c0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff8101021487d0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff8101021487e0: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Redzone 0xffff8101021487e8: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Padding 0xffff810102148828: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Padding 0xffff810102148838: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Call Trace:
[<ffffffff802827c8>] check_bytes_and_report+0xb8/0x100
[<ffffffff80282a66>] check_object+0x66/0x270
[<ffffffff80282fe5>] __free_slab+0xf5/0x140
[<ffffffff80284d70>] flush_cpu_slab+0x0/0xc0
[<ffffffff80233d1b>] on_each_cpu+0x4b/0x90
[<ffffffff80284a52>] list_locations+0xb2/0x380
[<ffffffff80266818>] __alloc_pages+0x58/0x360
[<ffffffff80284d68>] alloc_calls_show+0x18/0x20
[<ffffffff802819b0>] slab_attr_show+0x20/0x30
[<ffffffff802ccaee>] sysfs_read_file+0x9e/0x150
[<ffffffff80288e0a>] vfs_read+0xaa/0xe0
[<ffffffff80289283>] sys_read+0x53/0x90
[<ffffffff8020bcae>] system_call+0x7e/0x83
FIX bio: Restoring 0xffff8101021487e8-0xffff8101021487ef=0xbb
=============================================================================
BUG bio: Redzone overwritten
-----------------------------------------------------------------------------
INFO: 0xffff8101021488a8-0xffff8101021488af. First byte 0x5a instead of 0xbb
INFO: Allocated in 0x5a5a5a5a5a5a5a5a age=11936128522577653999 cpu=1515870810 pid=1515870810
INFO: Freed in 0x5a5a5a5a5a5a5a5a age=11936128522577653999 cpu=1515870810 pid=1515870810
INFO: Slab 0xffff8100048747c0 used=4294967295 fp=0xffff8101021489c0 flags=0x8000000000000002
INFO: Object 0xffff810102148840 @offset=2112 fp=0x5a5a5a5a5a5a5a5a
Bytes b4 0xffff810102148830: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148840: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148850: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148860: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148870: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148880: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148890: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff8101021488a0: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Redzone 0xffff8101021488a8: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Padding 0xffff8101021488e8: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Padding 0xffff8101021488f8: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Call Trace:
[<ffffffff802827c8>] check_bytes_and_report+0xb8/0x100
[<ffffffff80282a66>] check_object+0x66/0x270
[<ffffffff80282fe5>] __free_slab+0xf5/0x140
[<ffffffff80284d70>] flush_cpu_slab+0x0/0xc0
[<ffffffff80233d1b>] on_each_cpu+0x4b/0x90
[<ffffffff80284a52>] list_locations+0xb2/0x380
[<ffffffff80266818>] __alloc_pages+0x58/0x360
[<ffffffff80284d68>] alloc_calls_show+0x18/0x20
[<ffffffff802819b0>] slab_attr_show+0x20/0x30
[<ffffffff802ccaee>] sysfs_read_file+0x9e/0x150
[<ffffffff80288e0a>] vfs_read+0xaa/0xe0
[<ffffffff80289283>] sys_read+0x53/0x90
[<ffffffff8020bcae>] system_call+0x7e/0x83
FIX bio: Restoring 0xffff8101021488a8-0xffff8101021488af=0xbb
=============================================================================
BUG bio: Redzone overwritten
-----------------------------------------------------------------------------
INFO: 0xffff810102148968-0xffff81010214896f. First byte 0x5a instead of 0xbb
INFO: Allocated in 0x5a5a5a5a5a5a5a5a age=11936128522577653999 cpu=1515870810 pid=1515870810
INFO: Freed in 0x5a5a5a5a5a5a5a5a age=11936128522577653999 cpu=1515870810 pid=1515870810
INFO: Slab 0xffff8100048747c0 used=4294967295 fp=0xffff8101021489c0 flags=0x8000000000000002
INFO: Object 0xffff810102148900 @offset=2304 fp=0x5a5a5a5a5a5a5a5a
Bytes b4 0xffff8101021488f0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148900: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148910: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148920: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148930: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148940: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148950: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148960: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Redzone 0xffff810102148968: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Padding 0xffff8101021489a8: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Padding 0xffff8101021489b8: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Call Trace:
[<ffffffff802827c8>] check_bytes_and_report+0xb8/0x100
[<ffffffff80282a66>] check_object+0x66/0x270
[<ffffffff80282fe5>] __free_slab+0xf5/0x140
[<ffffffff80284d70>] flush_cpu_slab+0x0/0xc0
[<ffffffff80233d1b>] on_each_cpu+0x4b/0x90
[<ffffffff80284a52>] list_locations+0xb2/0x380
[<ffffffff80266818>] __alloc_pages+0x58/0x360
[<ffffffff80284d68>] alloc_calls_show+0x18/0x20
[<ffffffff802819b0>] slab_attr_show+0x20/0x30
[<ffffffff802ccaee>] sysfs_read_file+0x9e/0x150
[<ffffffff80288e0a>] vfs_read+0xaa/0xe0
[<ffffffff80289283>] sys_read+0x53/0x90
[<ffffffff8020bcae>] system_call+0x7e/0x83
FIX bio: Restoring 0xffff810102148968-0xffff81010214896f=0xbb
=============================================================================
BUG bio: Redzone overwritten
-----------------------------------------------------------------------------
INFO: 0xffff810102148a28-0xffff810102148a2f. First byte 0x5a instead of 0xbb
INFO: Allocated in 0x5a5a5a5a5a5a5a5a age=11936128522577653999 cpu=1515870810 pid=1515870810
INFO: Freed in 0x5a5a5a5a5a5a5a5a age=11936128522577653999 cpu=1515870810 pid=1515870810
INFO: Slab 0xffff8100048747c0 used=4294967295 fp=0xffff8101021489c0 flags=0x8000000000000002
INFO: Object 0xffff8101021489c0 @offset=2496 fp=0x5a5a5a5a5a5a5a5a
Bytes b4 0xffff8101021489b0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff8101021489c0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff8101021489d0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff8101021489e0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff8101021489f0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148a00: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148a10: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148a20: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Redzone 0xffff810102148a28: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Padding 0xffff810102148a68: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Padding 0xffff810102148a78: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Call Trace:
[<ffffffff802827c8>] check_bytes_and_report+0xb8/0x100
[<ffffffff80282a66>] check_object+0x66/0x270
[<ffffffff80282fe5>] __free_slab+0xf5/0x140
[<ffffffff80284d70>] flush_cpu_slab+0x0/0xc0
[<ffffffff80233d1b>] on_each_cpu+0x4b/0x90
[<ffffffff80284a52>] list_locations+0xb2/0x380
[<ffffffff80266818>] __alloc_pages+0x58/0x360
[<ffffffff80284d68>] alloc_calls_show+0x18/0x20
[<ffffffff802819b0>] slab_attr_show+0x20/0x30
[<ffffffff802ccaee>] sysfs_read_file+0x9e/0x150
[<ffffffff80288e0a>] vfs_read+0xaa/0xe0
[<ffffffff80289283>] sys_read+0x53/0x90
[<ffffffff8020bcae>] system_call+0x7e/0x83
FIX bio: Restoring 0xffff810102148a28-0xffff810102148a2f=0xbb
=============================================================================
BUG bio: Redzone overwritten
-----------------------------------------------------------------------------
INFO: 0xffff810102148ae8-0xffff810102148aef. First byte 0x5a instead of 0xbb
INFO: Allocated in 0x5a5a5a5a5a5a5a5a age=11936128522577653999 cpu=1515870810 pid=1515870810
INFO: Freed in 0x5a5a5a5a5a5a5a5a age=11936128522577653999 cpu=1515870810 pid=1515870810
INFO: Slab 0xffff8100048747c0 used=4294967295 fp=0xffff8101021489c0 flags=0x8000000000000002
INFO: Object 0xffff810102148a80 @offset=2688 fp=0x5a5a5a5a5a5a5a5a
Bytes b4 0xffff810102148a70: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148a80: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148a90: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148aa0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148ab0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148ac0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148ad0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148ae0: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Redzone 0xffff810102148ae8: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Padding 0xffff810102148b28: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Padding 0xffff810102148b38: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Call Trace:
[<ffffffff802827c8>] check_bytes_and_report+0xb8/0x100
[<ffffffff80282a66>] check_object+0x66/0x270
[<ffffffff80282fe5>] __free_slab+0xf5/0x140
[<ffffffff80284d70>] flush_cpu_slab+0x0/0xc0
[<ffffffff80233d1b>] on_each_cpu+0x4b/0x90
[<ffffffff80284a52>] list_locations+0xb2/0x380
[<ffffffff80266818>] __alloc_pages+0x58/0x360
[<ffffffff80284d68>] alloc_calls_show+0x18/0x20
[<ffffffff802819b0>] slab_attr_show+0x20/0x30
[<ffffffff802ccaee>] sysfs_read_file+0x9e/0x150
[<ffffffff80288e0a>] vfs_read+0xaa/0xe0
[<ffffffff80289283>] sys_read+0x53/0x90
[<ffffffff8020bcae>] system_call+0x7e/0x83
FIX bio: Restoring 0xffff810102148ae8-0xffff810102148aef=0xbb
=============================================================================
BUG bio: Redzone overwritten
-----------------------------------------------------------------------------
INFO: 0xffff810102148ba8-0xffff810102148baf. First byte 0x5a instead of 0xbb
INFO: Allocated in 0x5a5a5a5a5a5a5a5a age=11936128522577653999 cpu=1515870810 pid=1515870810
INFO: Freed in 0x5a5a5a5a5a5a5a5a age=11936128522577653999 cpu=1515870810 pid=1515870810
INFO: Slab 0xffff8100048747c0 used=4294967295 fp=0xffff8101021489c0 flags=0x8000000000000002
INFO: Object 0xffff810102148b40 @offset=2880 fp=0x5a5a5a5a5a5a5a5a
Bytes b4 0xffff810102148b30: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148b40: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148b50: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148b60: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148b70: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148b80: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148b90: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148ba0: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Redzone 0xffff810102148ba8: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Padding 0xffff810102148be8: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Padding 0xffff810102148bf8: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Call Trace:
[<ffffffff802827c8>] check_bytes_and_report+0xb8/0x100
[<ffffffff80282a66>] check_object+0x66/0x270
[<ffffffff80282fe5>] __free_slab+0xf5/0x140
[<ffffffff80284d70>] flush_cpu_slab+0x0/0xc0
[<ffffffff80233d1b>] on_each_cpu+0x4b/0x90
[<ffffffff80284a52>] list_locations+0xb2/0x380
[<ffffffff80266818>] __alloc_pages+0x58/0x360
[<ffffffff80284d68>] alloc_calls_show+0x18/0x20
[<ffffffff802819b0>] slab_attr_show+0x20/0x30
[<ffffffff802ccaee>] sysfs_read_file+0x9e/0x150
[<ffffffff80288e0a>] vfs_read+0xaa/0xe0
[<ffffffff80289283>] sys_read+0x53/0x90
[<ffffffff8020bcae>] system_call+0x7e/0x83
FIX bio: Restoring 0xffff810102148ba8-0xffff810102148baf=0xbb
=============================================================================
BUG bio: Redzone overwritten
-----------------------------------------------------------------------------
INFO: 0xffff810102148c68-0xffff810102148c6f. First byte 0x5a instead of 0xbb
INFO: Allocated in 0x5a5a5a5a5a5a5a5a age=11936128522577653999 cpu=1515870810 pid=1515870810
INFO: Freed in 0x5a5a5a5a5a5a5a5a age=11936128522577653999 cpu=1515870810 pid=1515870810
INFO: Slab 0xffff8100048747c0 used=4294967295 fp=0xffff8101021489c0 flags=0x8000000000000002
INFO: Object 0xffff810102148c00 @offset=3072 fp=0x5a5a5a5a5a5a5a5a
Bytes b4 0xffff810102148bf0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148c00: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148c10: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148c20: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148c30: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148c40: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148c50: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148c60: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Redzone 0xffff810102148c68: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Padding 0xffff810102148ca8: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Padding 0xffff810102148cb8: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Call Trace:
[<ffffffff802827c8>] check_bytes_and_report+0xb8/0x100
[<ffffffff80282a66>] check_object+0x66/0x270
[<ffffffff80282fe5>] __free_slab+0xf5/0x140
[<ffffffff80284d70>] flush_cpu_slab+0x0/0xc0
[<ffffffff80233d1b>] on_each_cpu+0x4b/0x90
[<ffffffff80284a52>] list_locations+0xb2/0x380
[<ffffffff80266818>] __alloc_pages+0x58/0x360
[<ffffffff80284d68>] alloc_calls_show+0x18/0x20
[<ffffffff802819b0>] slab_attr_show+0x20/0x30
[<ffffffff802ccaee>] sysfs_read_file+0x9e/0x150
[<ffffffff80288e0a>] vfs_read+0xaa/0xe0
[<ffffffff80289283>] sys_read+0x53/0x90
[<ffffffff8020bcae>] system_call+0x7e/0x83
FIX bio: Restoring 0xffff810102148c68-0xffff810102148c6f=0xbb
=============================================================================
BUG bio: Redzone overwritten
-----------------------------------------------------------------------------
INFO: 0xffff810102148d28-0xffff810102148d2f. First byte 0x5a instead of 0xbb
INFO: Allocated in 0x5a5a5a5a5a5a5a5a age=11936128522577653999 cpu=1515870810 pid=1515870810
INFO: Freed in 0x5a5a5a5a5a5a5a5a age=11936128522577653999 cpu=1515870810 pid=1515870810
INFO: Slab 0xffff8100048747c0 used=4294967295 fp=0xffff8101021489c0 flags=0x8000000000000002
INFO: Object 0xffff810102148cc0 @offset=3264 fp=0x5a5a5a5a5a5a5a5a
Bytes b4 0xffff810102148cb0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148cc0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148cd0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148ce0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148cf0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148d00: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148d10: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148d20: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Redzone 0xffff810102148d28: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Padding 0xffff810102148d68: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Padding 0xffff810102148d78: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Call Trace:
[<ffffffff802827c8>] check_bytes_and_report+0xb8/0x100
[<ffffffff80282a66>] check_object+0x66/0x270
[<ffffffff80282fe5>] __free_slab+0xf5/0x140
[<ffffffff80284d70>] flush_cpu_slab+0x0/0xc0
[<ffffffff80233d1b>] on_each_cpu+0x4b/0x90
[<ffffffff80284a52>] list_locations+0xb2/0x380
[<ffffffff80266818>] __alloc_pages+0x58/0x360
[<ffffffff80284d68>] alloc_calls_show+0x18/0x20
[<ffffffff802819b0>] slab_attr_show+0x20/0x30
[<ffffffff802ccaee>] sysfs_read_file+0x9e/0x150
[<ffffffff80288e0a>] vfs_read+0xaa/0xe0
[<ffffffff80289283>] sys_read+0x53/0x90
[<ffffffff8020bcae>] system_call+0x7e/0x83
FIX bio: Restoring 0xffff810102148d28-0xffff810102148d2f=0xbb
=============================================================================
BUG bio: Redzone overwritten
-----------------------------------------------------------------------------
INFO: 0xffff810102148de8-0xffff810102148def. First byte 0x5a instead of 0xbb
INFO: Allocated in 0x5a5a5a5a5a5a5a5a age=11936128522577653999 cpu=1515870810 pid=1515870810
INFO: Freed in 0x5a5a5a5a5a5a5a5a age=11936128522577653999 cpu=1515870810 pid=1515870810
INFO: Slab 0xffff8100048747c0 used=4294967295 fp=0xffff8101021489c0 flags=0x8000000000000002
INFO: Object 0xffff810102148d80 @offset=3456 fp=0x5a5a5a5a5a5a5a5a
Bytes b4 0xffff810102148d70: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148d80: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148d90: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148da0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148db0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148dc0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148dd0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148de0: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Redzone 0xffff810102148de8: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Padding 0xffff810102148e28: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Padding 0xffff810102148e38: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Call Trace:
[<ffffffff802827c8>] check_bytes_and_report+0xb8/0x100
[<ffffffff80282a66>] check_object+0x66/0x270
[<ffffffff80282fe5>] __free_slab+0xf5/0x140
[<ffffffff80284d70>] flush_cpu_slab+0x0/0xc0
[<ffffffff80233d1b>] on_each_cpu+0x4b/0x90
[<ffffffff80284a52>] list_locations+0xb2/0x380
[<ffffffff80266818>] __alloc_pages+0x58/0x360
[<ffffffff80284d68>] alloc_calls_show+0x18/0x20
[<ffffffff802819b0>] slab_attr_show+0x20/0x30
[<ffffffff802ccaee>] sysfs_read_file+0x9e/0x150
[<ffffffff80288e0a>] vfs_read+0xaa/0xe0
[<ffffffff80289283>] sys_read+0x53/0x90
[<ffffffff8020bcae>] system_call+0x7e/0x83
FIX bio: Restoring 0xffff810102148de8-0xffff810102148def=0xbb
=============================================================================
BUG bio: Redzone overwritten
-----------------------------------------------------------------------------
INFO: 0xffff810102148ea8-0xffff810102148eaf. First byte 0x5a instead of 0xbb
INFO: Allocated in 0x5a5a5a5a5a5a5a5a age=11936128522577653999 cpu=1515870810 pid=1515870810
INFO: Freed in 0x5a5a5a5a5a5a5a5a age=11936128522577653999 cpu=1515870810 pid=1515870810
INFO: Slab 0xffff8100048747c0 used=4294967295 fp=0xffff8101021489c0 flags=0x8000000000000002
INFO: Object 0xffff810102148e40 @offset=3648 fp=0x5a5a5a5a5a5a5a5a
Bytes b4 0xffff810102148e30: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148e40: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148e50: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148e60: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148e70: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148e80: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148e90: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148ea0: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Redzone 0xffff810102148ea8: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Padding 0xffff810102148ee8: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Padding 0xffff810102148ef8: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Call Trace:
[<ffffffff802827c8>] check_bytes_and_report+0xb8/0x100
[<ffffffff80282a66>] check_object+0x66/0x270
[<ffffffff80282fe5>] __free_slab+0xf5/0x140
[<ffffffff80284d70>] flush_cpu_slab+0x0/0xc0
[<ffffffff80233d1b>] on_each_cpu+0x4b/0x90
[<ffffffff80284a52>] list_locations+0xb2/0x380
[<ffffffff80266818>] __alloc_pages+0x58/0x360
[<ffffffff80284d68>] alloc_calls_show+0x18/0x20
[<ffffffff802819b0>] slab_attr_show+0x20/0x30
[<ffffffff802ccaee>] sysfs_read_file+0x9e/0x150
[<ffffffff80288e0a>] vfs_read+0xaa/0xe0
[<ffffffff80289283>] sys_read+0x53/0x90
[<ffffffff8020bcae>] system_call+0x7e/0x83
FIX bio: Restoring 0xffff810102148ea8-0xffff810102148eaf=0xbb
=============================================================================
BUG bio: Redzone overwritten
-----------------------------------------------------------------------------
INFO: 0xffff810102148f68-0xffff810102148f6f. First byte 0x5a instead of 0xbb
INFO: Allocated in 0x5a5a5a5a5a5a5a5a age=11936128522577653999 cpu=1515870810 pid=1515870810
INFO: Freed in 0x5a5a5a5a5a5a5a5a age=11936128522577653999 cpu=1515870810 pid=1515870810
INFO: Slab 0xffff8100048747c0 used=4294967295 fp=0xffff8101021489c0 flags=0x8000000000000002
INFO: Object 0xffff810102148f00 @offset=3840 fp=0x5a5a5a5a5a5a5a5a
Bytes b4 0xffff810102148ef0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148f00: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148f10: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148f20: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148f30: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148f40: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148f50: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object 0xffff810102148f60: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Redzone 0xffff810102148f68: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Padding 0xffff810102148fa8: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Padding 0xffff810102148fb8: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Call Trace:
[<ffffffff802827c8>] check_bytes_and_report+0xb8/0x100
[<ffffffff80282a66>] check_object+0x66/0x270
[<ffffffff80282fe5>] __free_slab+0xf5/0x140
[<ffffffff80284d70>] flush_cpu_slab+0x0/0xc0
[<ffffffff80233d1b>] on_each_cpu+0x4b/0x90
[<ffffffff80284a52>] list_locations+0xb2/0x380
[<ffffffff80266818>] __alloc_pages+0x58/0x360
[<ffffffff80284d68>] alloc_calls_show+0x18/0x20
[<ffffffff802819b0>] slab_attr_show+0x20/0x30
[<ffffffff802ccaee>] sysfs_read_file+0x9e/0x150
[<ffffffff80288e0a>] vfs_read+0xaa/0xe0
[<ffffffff80289283>] sys_read+0x53/0x90
[<ffffffff8020bcae>] system_call+0x7e/0x83
FIX bio: Restoring 0xffff810102148f68-0xffff810102148f6f=0xbb
next prev parent reply other threads:[~2007-09-19 12:59 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-19 12:39 2.6.23-rc6-mm1: BUG kmalloc-16: Object padding overwritten (sysfs?) Alexey Dobriyan
2007-09-19 12:59 ` Alexey Dobriyan [this message]
2007-09-19 19:39 ` Andrew Morton
2007-09-19 20:59 ` Christoph Lameter
2007-09-19 21:36 ` Christoph Lameter
2007-09-20 7:53 ` Alexey Dobriyan
2007-09-20 10:32 ` Alexey Dobriyan
2007-09-20 17:36 ` Christoph Lameter
2007-09-21 7:16 ` Alexey Dobriyan
2007-09-20 17:25 ` Christoph Lameter
2007-09-20 17:37 ` Christoph Lameter
2007-09-20 18:54 ` Eric W. Biederman
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