On Thu, Mar 07, 2013 at 12:33:53AM -0500, Dave Jones wrote: > And even more sysfs fallout (From a clean boot).. > > ============================================================================= > BUG sysfs_dir_cache (Not tainted): Poison overwritten > ----------------------------------------------------------------------------- > > Disabling lock debugging due to kernel taint > INFO: 0xffff8801239a85b8-0xffff8801239a85b8. First byte 0x69 instead of 0x6b > INFO: Allocated in sysfs_new_dirent+0x59/0x130 age=493166 cpu=3 pid=301 > __slab_alloc+0x4ed/0x584 > kmem_cache_alloc+0x2c0/0x330 > sysfs_new_dirent+0x59/0x130 > sysfs_add_file_mode+0x6b/0x110 > sysfs_add_file+0x12/0x20 > sysfs_create_file+0x26/0x30 > load_module+0x1360/0x28d0 > sys_init_module+0xd7/0x120 > system_call_fastpath+0x16/0x1b > INFO: Freed in release_sysfs_dirent+0x81/0x100 age=10736 cpu=3 pid=8692 > __slab_free+0x3c/0x3de > kmem_cache_free+0x362/0x380 > release_sysfs_dirent+0x81/0x100 > sysfs_dir_pos+0x46/0xf0 > sysfs_readdir+0x9a/0x2b0 > vfs_readdir+0xb8/0xf0 > sys_getdents64+0x8f/0x110 > system_call_fastpath+0x16/0x1b > INFO: Slab 0xffffea00048e6a00 objects=16 used=16 fp=0x (null) > flags=0x5000000000004080 > INFO: Object 0xffff8801239a85b8 @offset=1464 fp=0x (null) > > Bytes b4 ffff8801239a85a8: 00 00 00 00 00 00 00 00 5a 5a 5a 5a 5a 5a 5a 5a > ........ZZZZZZZZ > Object ffff8801239a85b8: 69 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b > ikkkkkkkkkkkkkkk > Object ffff8801239a85c8: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b > kkkkkkkkkkkkkkkk > Object ffff8801239a85d8: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b > kkkkkkkkkkkkkkkk > Object ffff8801239a85e8: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b > kkkkkkkkkkkkkkkk > Object ffff8801239a85f8: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b > kkkkkkkkkkkkkkkk > Object ffff8801239a8608: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b > kkkkkkkkkkkkkkkk > Object ffff8801239a8618: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b > kkkkkkkkkkkkkkkk > Object ffff8801239a8628: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b > kkkkkkkkkkkkkkkk > Object ffff8801239a8638: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b > kkkkkkkkkkkkkkkk > Object ffff8801239a8648: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b a5 > kkkkkkkkkkkkkkk. > Redzone ffff8801239a8658: bb bb bb bb bb bb bb bb > ........ > Padding ffff8801239a8798: 5a 5a 5a 5a 5a 5a 5a 5a > ZZZZZZZZ > Pid: 15728, comm: modprobe Tainted: G B 3.9.0-rc1+ #69 > Call Trace: > [<ffffffff8118e81d>] ? print_section+0x3d/0x40 > [<ffffffff8118f98e>] print_trailer+0xfe/0x160 > [<ffffffff8118fb2f>] check_bytes_and_report+0xef/0x130 > [<ffffffff81190126>] check_object+0x1c6/0x240 > [<ffffffff81190989>] ? check_slab+0x89/0x130 > [<ffffffff81235159>] ? sysfs_new_dirent+0x59/0x130 > [<ffffffff816bb755>] alloc_debug_processing+0x67/0x109 > [<ffffffff816bc2ee>] __slab_alloc+0x4ed/0x584 > [<ffffffff81235159>] ? sysfs_new_dirent+0x59/0x130 > [<ffffffff811926f0>] kmem_cache_alloc+0x2c0/0x330 > [<ffffffff81235159>] ? sysfs_new_dirent+0x59/0x130 > [<ffffffff81235159>] sysfs_new_dirent+0x59/0x130 > [<ffffffff812343eb>] sysfs_add_file_mode+0x6b/0x110 > [<ffffffff81237620>] internal_create_group+0xd0/0x210 > [<ffffffff81237793>] sysfs_create_group+0x13/0x20 > [<ffffffff810c71f1>] load_module+0x22d1/0x28d0 > [<ffffffff81355570>] ? ddebug_proc_open+0xc0/0xc0 > [<ffffffff810b24ae>] ? put_lock_stats.isra.23+0xe/0x40 > [<ffffffff810c78c7>] sys_init_module+0xd7/0x120 > [<ffffffff816cd942>] system_call_fastpath+0x16/0x1b > FIX sysfs_dir_cache: Restoring 0xffff8801239a85b8-0xffff8801239a85b8=0x6b >
Hm, a module was being loaded. Odd, I haven't seen this before, I'm guessing that 3.8 doesn't show this, right? greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
