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Date: Tue, 26 Jun 2018 09:10:07 +0800
From: kernel test robot <xiaolong.ye@...el.com>
To: Kishon Vijay Abraham I <kishon@...com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
LKP <lkp@...org>
Subject: [lkp-robot] [bisect done] ef1433f717 [ 7.049860] BUG: unable to
handle kernel NULL pointer dereference at 0000004c
Greetings,
0day kernel testing robot got the below dmesg and the first bad commit is
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
commit ef1433f717a2c63747a519d86965d73ff9bd08b3
Author: Kishon Vijay Abraham I <kishon@...com>
AuthorDate: Mon Apr 2 18:59:35 2018 +0530
Commit: Lorenzo Pieralisi <lorenzo.pieralisi@....com>
CommitDate: Fri May 18 16:40:50 2018 +0100
PCI: endpoint: Create configfs entry for each pci_epf_device_id table entry
In order to be able to provide correct driver_data for pci_epf device,
a separate configfs entry for each pci_epf_device_id table entry in
pci_epf_driver is required.
Add support to create configfs entry for each pci_epf_device_id
table entry here.
Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Tested-by: Gustavo Pimentel <gustavo.pimentel@...opsys.com>
ecc57efe9d misc: pci_endpoint_test: Use pci_irq_vector function
ef1433f717 PCI: endpoint: Create configfs entry for each pci_epf_device_id table entry
f5b7769eb0 Revert "debugfs: inode: debugfs_create_dir uses mode permission from parent"
0468ba62dc Add linux-next specific files for 20180613
+--------------------------------------------------------------+------------+------------+------------+---------------+
| | ecc57efe9d | ef1433f717 | f5b7769eb0 | next-20180613 |
+--------------------------------------------------------------+------------+------------+------------+---------------+
| boot_successes | 42 | 0 | 0 | 0 |
| boot_failures | 4 | 15 | 19 | 57 |
| WARNING:at_arch/x86/include/asm/pgtable.h:#do_anonymous_page | 4 | | | |
| EIP:do_anonymous_page | 4 | | | |
| WARNING:at_arch/x86/include/asm/pgtable.h:#change_pte_range | 2 | | | |
| EIP:change_pte_range | 2 | | | |
| BUG:unable_to_handle_kernel | 0 | 15 | 19 | 57 |
| Oops:#[##] | 0 | 15 | 19 | 57 |
| EIP:__pci_epf_register_driver | 0 | 15 | 19 | 57 |
| Kernel_panic-not_syncing:Fatal_exception | 0 | 15 | 19 | 57 |
+--------------------------------------------------------------+------------+------------+------------+---------------+
[ 7.004551] crc32c: self tests passed, processed 225944 bytes in 114627 nsec
[ 7.022096] crc32_combine: 8373 self tests passed
[ 7.038149] crc32c_combine: 8373 self tests passed
[ 7.038731] cpqphp: Compaq Hot Plug PCI Controller Driver version: 0.9.8
[ 7.039375] switchtec: loaded.
[ 7.049860] BUG: unable to handle kernel NULL pointer dereference at 0000004c
[ 7.050604] *pdpt = 0000000000000000 *pde = f000ff53f000ff53
[ 7.051110] Oops: 0002 [#1] PREEMPT SMP
[ 7.051443] Modules linked in:
[ 7.051711] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.17.0-rc1-00005-gef1433f #1
[ 7.052364] EIP: __pci_epf_register_driver+0x8c/0xc0
[ 7.052791] EFLAGS: 00210202 CPU: 0
[ 7.053097] EAX: 41a78114 EBX: 41790220 ECX: 41a78114 EDX: 41a78114
[ 7.053632] ESI: 41a780c0 EDI: 41a78114 EBP: 40031f08 ESP: 40031ef8
[ 7.054170] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[ 7.054631] CR0: 80050033 CR2: 0000004c CR3: 01b5f000 CR4: 001406f0
[ 7.055171] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 7.055704] DR6: fffe0ff0 DR7: 00000400
[ 7.056037] Call Trace:
[ 7.056255] ? pci_epf_init+0x28/0x28
[ 7.056573] ? pci_epf_test_init+0x2d/0x4a
[ 7.056928] ? do_one_initcall+0x41/0x1a0
[ 7.057278] ? parse_args+0x189/0x2a0
[ 7.057601] ? kernel_init_freeable+0x19f/0x219
[ 7.057999] ? rest_init+0x1e0/0x1e0
[ 7.058309] ? kernel_init+0x8/0xf0
[ 7.058612] ? ret_from_fork+0x2e/0x38
[ 7.058946] Code: d2 b8 60 80 a7 41 e8 b4 ec 4a 00 8b 7e 58 8b 4d f0 b8 48 00 00 00 89 fa e8 72 d6 fa ff 84 c0 74 1b 8b 45 f0 c7 46 58 48 00 00 00 <89> 3d 4c 00 00 00 a3 48 00 00 00 c7 07 48 00 00 00 b8 60 80 a7
[ 7.059742] EIP: __pci_epf_register_driver+0x8c/0xc0 SS:ESP: 0068:40031ef8
[ 7.059742] CR2: 000000000000004c
[ 7.059742] ---[ end trace 7624867efb8b23bc ]---
[ 7.059742] Kernel panic - not syncing: Fatal exception
# HH:MM RESULT GOOD BAD GOOD_BUT_DIRTY DIRTY_NOT_BAD
git bisect start 0468ba62dc097465dfee1e65f83a171985653d15 29dcea88779c856c7dc92040a0c01233263101d4 --
git bisect bad 1aaccb5fa0eac996adde53538ca4b87a0b229ab7 # 18:45 B 0 2 16 0 Merge tag 'rtc-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
git bisect good af6c5d5e01ad9f2c9ca38cccaae6b5d67ddd241f # 19:09 G 11 0 0 0 Merge branch 'for-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
git bisect bad 68abbe729567cef128b2c2141f2ed2567f3b8372 # 19:18 B 0 11 27 2 Merge branch 'akpm' (patches from Andrew)
git bisect good da315f6e03988a7127680bbc26e1028991b899b8 # 19:30 G 11 0 0 0 Merge tag 'fuse-update-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
git bisect bad a1cdde8c411dbde19863e5104a4a1f218dd07b89 # 19:39 B 0 11 25 0 Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
git bisect good c0ab85267e25e34ce8b7e4429f0ef01fa0795b80 # 19:52 G 11 0 0 0 Merge tag 'microblaze-v4.18-rc1' of git://git.monstr.eu/linux-2.6-microblaze
git bisect good 3036bc45364f98515a2c446d7fac2c34dcfbeff4 # 20:03 G 11 0 0 0 Merge tag 'media/v4.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
git bisect bad 3a3869f1c443383ef8354ffa0e5fb8df65d8b549 # 20:14 B 0 11 25 0 Merge tag 'pci-v4.18-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
git bisect good 13fbadcd512c225c907d6e8147fb48a88114bf03 # 20:26 G 11 0 0 0 Merge branch 'pci/sparc'
git bisect bad 741f8e7ecc2c6414cff442ec8eb07dcfe4481533 # 20:34 B 0 11 25 0 Merge branch 'lorenzo/pci/hv'
git bisect good f03c7aa4598b78f9f0f6883f1e410f67968f74b9 # 20:46 G 11 0 0 0 Merge branch 'lorenzo/pci/dwc'
git bisect bad bf79d7d0997abfab40b421a0360adcc4fdbda0a4 # 20:53 B 0 11 27 2 Merge branch 'lorenzo/pci/endpoint'
git bisect good ecc57efe9d0d958c8a3a43a4430bf19319e74728 # 21:15 G 11 0 0 4 misc: pci_endpoint_test: Use pci_irq_vector function
git bisect good d792b32688c65841aef256e5870f0e25ed69ed9c # 21:29 G 11 0 0 2 Merge branch 'lorenzo/pci/dwc-fixes'
git bisect bad ef1433f717a2c63747a519d86965d73ff9bd08b3 # 21:38 B 0 11 26 1 PCI: endpoint: Create configfs entry for each pci_epf_device_id table entry
# first bad commit: [ef1433f717a2c63747a519d86965d73ff9bd08b3] PCI: endpoint: Create configfs entry for each pci_epf_device_id table entry
git bisect good ecc57efe9d0d958c8a3a43a4430bf19319e74728 # 21:44 G 31 0 0 4 misc: pci_endpoint_test: Use pci_irq_vector function
# extra tests with debug options
git bisect bad ef1433f717a2c63747a519d86965d73ff9bd08b3 # 21:54 B 0 11 25 0 PCI: endpoint: Create configfs entry for each pci_epf_device_id table entry
# extra tests on HEAD of linux-next/master
git bisect bad 0468ba62dc097465dfee1e65f83a171985653d15 # 21:54 B 0 57 74 0 Add linux-next specific files for 20180613
# extra tests on tree/branch linus/master
git bisect bad f5b7769eb0400ec5217a47e41148a9f816ca1f9f # 22:04 B 0 9 23 0 Revert "debugfs: inode: debugfs_create_dir uses mode permission from parent"
# extra tests with first bad commit reverted
git bisect good 283f585ecca0621330650302d51bc5a5af090157 # 22:17 G 11 0 0 0 Revert "PCI: endpoint: Create configfs entry for each pci_epf_device_id table entry"
# extra tests on tree/branch linux-next/master
git bisect bad 0468ba62dc097465dfee1e65f83a171985653d15 # 22:17 B 0 57 74 0 Add linux-next specific files for 20180613
---
0-DAY kernel test infrastructure Open Source Technology Center
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