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Date: Mon, 29 Feb 2016 09:12:28 +0800
From: kernel test robot <ying.huang@...ux.intel.com>
TO: Christoph Hellwig <hch@....de>
CC: 0day robot <fengguang.wu@...el.com>
Subject: [lkp] [configfs] 7d3c5f36a5: BUG: unable to handle kernel
FYI, we noticed the below changes on
https://github.com/0day-ci/linux Christoph-Hellwig/configfs-switch-default-groups-to-a-linked-list/20160226-203653
commit 7d3c5f36a52c09dd1a4f54f7886a8177779f3af3 ("configfs: switch ->default groups to a linked list")
[ 14.677165] using random self ethernet address
[ 14.678576] using random host ethernet address
[ 14.678576] using random host ethernet address
[ 14.690082] BUG: unable to handle kernel
[ 14.690082] BUG: unable to handle kernel NULL pointer dereferenceNULL pointer dereference at (null)
at (null)
[ 14.692381] IP:
[ 14.692381] IP: [<8121bc27>] __list_add+0x27/0x110
[<8121bc27>] __list_add+0x27/0x110
[ 14.693944] *pde = 00000000
[ 14.693944] *pde = 00000000
[ 14.694891] Oops: 0000 [#1]
[ 14.694891] Oops: 0000 [#1] SMP SMP DEBUG_PAGEALLOC DEBUG_PAGEALLOC
[ 14.696417] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.5.0-rc1-00016-g7d3c5f3 #697
[ 14.696417] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.5.0-rc1-00016-g7d3c5f3 #697
[ 14.698826] task: 8b0a8000 ti: 8b08a000 task.ti: 8b08a000
[ 14.698826] task: 8b0a8000 ti: 8b08a000 task.ti: 8b08a000
[ 14.700033] EIP: 0060:[<8121bc27>] EFLAGS: 00010246 CPU: 0
[ 14.700033] EIP: 0060:[<8121bc27>] EFLAGS: 00010246 CPU: 0
[ 14.700033] EIP is at __list_add+0x27/0x110
[ 14.700033] EIP is at __list_add+0x27/0x110
[ 14.700033] EAX: 00000000 EBX: 8875daf8 ECX: 887502f0 EDX: 00000000
[ 14.700033] EAX: 00000000 EBX: 8875daf8 ECX: 887502f0 EDX: 00000000
[ 14.700033] ESI: 00000000 EDI: 887502f0 EBP: 8b08be14 ESP: 8b08bdf0
[ 14.700033] ESI: 00000000 EDI: 887502f0 EBP: 8b08be14 ESP: 8b08bdf0
[ 14.700033] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
[ 14.700033] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
[ 14.700033] CR0: 8005003b CR2: 00000000 CR3: 01f2f000 CR4: 00000690
[ 14.700033] CR0: 8005003b CR2: 00000000 CR3: 01f2f000 CR4: 00000690
[ 14.700033] Stack:
[ 14.700033] Stack:
[ 14.700033] 8875db00
[ 14.700033] 8875db00 8875dab0 8875dab0 8b08be14 8b08be14 81191760 81191760 8875dab0 8875dab0 81c904c6 81c904c6 887502b0 887502b0 00000001 00000001
[ 14.700033] 8875dab0
[ 14.700033] 8875dab0 8b08be44 8b08be44 8142b2f2 8142b2f2 810ea1c0 810ea1c0 8b08be44 8b08be44 8145590d 8145590d 81d167f8 81d167f8 81cc888a 81cc888a
[ 14.700033] 8875db14
[ 14.700033] 8875db14 8b08be54 8b08be54 887502b0 887502b0 88551160 88551160 00000000 00000000 8b08be64 8b08be64 81457f84 81457f84 8b08be58 8b08be58
[ 14.700033] Call Trace:
[ 14.700033] Call Trace:
[ 14.700033] [<81191760>] ? config_group_init_type_name+0x20/0x50
[ 14.700033] [<81191760>] ? config_group_init_type_name+0x20/0x50
[ 14.700033] [<8142b2f2>] usb_os_desc_prepare_interf_dir+0x52/0xe0
[ 14.700033] [<8142b2f2>] usb_os_desc_prepare_interf_dir+0x52/0xe0
[ 14.700033] [<810ea1c0>] ? printk+0x12/0x14
[ 14.700033] [<810ea1c0>] ? printk+0x12/0x14
[ 14.700033] [<8145590d>] ? gether_setup_name_default+0x18d/0x1c0
[ 14.700033] [<8145590d>] ? gether_setup_name_default+0x18d/0x1c0
[ 14.700033] [<81457f84>] rndis_alloc_inst+0x94/0xc0
[ 14.700033] [<81457f84>] rndis_alloc_inst+0x94/0xc0
[ 14.700033] [<814293b3>] usb_get_function_instance+0x53/0x90
[ 14.700033] [<814293b3>] usb_get_function_instance+0x53/0x90
[ 14.700033] [<81458fc7>] eth_bind+0xd7/0x350
[ 14.700033] [<81458fc7>] eth_bind+0xd7/0x350
[ 14.700033] [<81428fc8>] composite_bind+0x88/0x190
[ 14.700033] [<81428fc8>] composite_bind+0x88/0x190
[ 14.700033] [<810934eb>] ? trace_hardirqs_on+0xb/0x10
[ 14.700033] [<810934eb>] ? trace_hardirqs_on+0xb/0x10
[ 14.700033] [<8142b999>] udc_bind_to_driver+0x29/0xd0
[ 14.700033] [<8142b999>] udc_bind_to_driver+0x29/0xd0
[ 14.700033] [<8142c20f>] usb_gadget_probe_driver+0x9f/0x130
[ 14.700033] [<8142c20f>] usb_gadget_probe_driver+0x9f/0x130
[ 14.700033] [<81ed40fd>] ? rndismod_init+0xf/0xf
[ 14.700033] [<81ed40fd>] ? rndismod_init+0xf/0xf
[ 14.700033] [<81429148>] usb_composite_probe+0x78/0xa0
[ 14.700033] [<81429148>] usb_composite_probe+0x78/0xa0
[ 14.700033] [<81ed410a>] eth_driver_init+0xd/0xf
[ 14.700033] [<81ed410a>] eth_driver_init+0xd/0xf
[ 14.700033] [<81ea3c78>] do_one_initcall+0xd0/0x150
[ 14.700033] [<81ea3c78>] do_one_initcall+0xd0/0x150
[ 14.700033] [<8106c24d>] ? parse_args+0x25d/0x420
[ 14.700033] [<8106c24d>] ? parse_args+0x25d/0x420
[ 14.700033] [<81ea3dc0>] ? kernel_init_freeable+0xc8/0x160
[ 14.700033] [<81ea3dc0>] ? kernel_init_freeable+0xc8/0x160
[ 14.700033] [<81ea3de0>] kernel_init_freeable+0xe8/0x160
[ 14.700033] [<81ea3de0>] kernel_init_freeable+0xe8/0x160
[ 14.700033] [<8195163b>] kernel_init+0xb/0xe0
[ 14.700033] [<8195163b>] kernel_init+0xb/0xe0
[ 14.700033] [<810759cc>] ? schedule_tail+0xc/0x70
[ 14.700033] [<810759cc>] ? schedule_tail+0xc/0x70
[ 14.700033] [<8195af49>] ret_from_kernel_thread+0x21/0x38
[ 14.700033] [<8195af49>] ret_from_kernel_thread+0x21/0x38
[ 14.700033] [<81951630>] ? rest_init+0x120/0x120
[ 14.700033] [<81951630>] ? rest_init+0x120/0x120
[ 14.700033] Code:
[ 14.700033] Code: 00 00 00 00 00 00 00 00 55 55 89 89 e5 e5 57 57 56 56 53 53 89 89 d6 d6 89 89 c3 c3 89 89 cf cf 83 83 ec ec 18 18 81 81 38 38 ac ac fc fc e8 e8 82 82 74 74 39 39 81 81 78 78 04 04 ac ac fc fc e8 e8 82 82 74 74 30 30 8b 8b 47 47 04 04 39 39 f0 f0 75 75 4c 4c <8b> <8b> 06 06 39 39 c7 c7 75 75 7b 7b 39 39 f3 f3 0f 0f 84 84 a3 a3 00 00 00 00 00 00 39 39 fb fb 0f 0f 84 84 9b 9b 00 00 00 00
[ 14.700033] EIP: [<8121bc27>]
[ 14.700033] EIP: [<8121bc27>] __list_add+0x27/0x110__list_add+0x27/0x110 SS:ESP 0068:8b08bdf0
SS:ESP 0068:8b08bdf0
[ 14.700033] CR2: 0000000000000000
[ 14.700033] CR2: 0000000000000000
[ 14.700033] ---[ end trace 98fec3c6b20e76bc ]---
[ 14.700033] ---[ end trace 98fec3c6b20e76bc ]---
Thanks,
Kernel Test Robot
View attachment "config-4.5.0-rc1-00016-g7d3c5f3" of type "text/plain" (93926 bytes)
Download attachment "dmesg.xz" of type "application/x-xz" (12552 bytes)
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