linux-kernel - [lkp] [kernel/*] c7af9d5728: BUG kmalloc-16 (Not tainted): Invalid object pointer 0xd5c76188

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Message-ID: <87ege74bom.fsf@yhuang-dev.intel.com>
Date:	Mon, 28 Dec 2015 09:14:01 +0800
From:	kernel test robot <ying.huang@...ux.intel.com>
TO:	Al Viro <viro@...iv.linux.org.uk>
CC:	LKML <linux-kernel@...r.kernel.org>
Subject: [lkp] [kernel/*] c7af9d5728: BUG kmalloc-16 (Not tainted): Invalid
 object pointer 0xd5c76188

FYI, we noticed the below changes on

https://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git work.misc
commit c7af9d5728bed29ef614324e67e066896d087c8f ("kernel/*: switch to memdup_user_nul()")


[    5.642811] init: Failed to create pty - disabling logging for job
[    5.644294] init: Temporary process spawn error: No such file or directory
[    5.647068] =============================================================================
[    5.648682] BUG kmalloc-16 (Not tainted): Invalid object pointer 0xd5c76188
[    5.650210] -----------------------------------------------------------------------------
[    5.650210] 
[    5.652968] INFO: Slab 0xd4dd9270 objects=21 used=16 fp=0xd5c763c0 flags=0x40000081
[    5.661970] init: Failed to create pty - disabling logging for job
[    5.672197] init: Failed to create pty - disabling logging for job
[    5.676338] FIX kmalloc-16: Object at 0xd5c76188 not freed
[    5.682358] init: Failed to create pty - disabling logging for job
[    5.689500] init: Failed to create pty - disabling logging for job
[    5.691245] =============================================================================
[    5.692985] BUG kmalloc-8 (Tainted: G    B          ): Invalid object pointer 0xd6331daa
[    5.694699] -----------------------------------------------------------------------------
[    5.694699] 
[    5.697562] INFO: Slab 0xd4de9fa8 objects=22 used=21 fp=0xd6331228 flags=0x40000081
[    5.716715] init: Failed to create pty - disabling logging for job
[    5.724667] init: Failed to create pty - disabling logging for job
[    5.729182] FIX kmalloc-8: Object at 0xd6331daa not freed
[    5.735529] =============================================================================
[    5.737191] BUG kmalloc-8 (Tainted: G    B          ): Invalid object pointer 0xd5c6622a
[    5.738862] -----------------------------------------------------------------------------
[    5.738862] 
[    5.741627] INFO: Slab 0xd4dd8ff0 objects=22 used=21 fp=0xd5c66da8 flags=0x40000081
[    5.751525] FIX kmalloc-8: Object at 0xd5c6622a not freed
[    5.753196] =============================================================================
[    5.754916] BUG kmalloc-8 (Tainted: G    B          ): Invalid object pointer 0xd5c3cace
[    5.756615] -----------------------------------------------------------------------------
[    5.756615] 
[    5.759498] INFO: Slab 0xd4dd8960 objects=22 used=22 fp=0x  (null) flags=0x40000081
[    5.787040] FIX kmalloc-8: Object at 0xd5c3cace not freed
[    5.899620] init: Failed to create pty - disabling logging for job
[    5.902464] init: Failed to create pty - disabling logging for job





Thanks,
Kernel Test Robot

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