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Date: Fri, 05 Jun 2020 18:40:36 +0800
From: kernel test robot <lkp@...el.com>
To: "Gene, Chen," <gene.chen.richtek@...il.com>
Cc: LKP <lkp@...ts.01.org>, linux-mediatek@...ts.infradead.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-kernel@...r.kernel.org, Gene Chen <gene_chen@...htek.com>,
"Lee, Jones," <lee.jones@...aro.org>, philip.li@...el.com
Subject: 7edd363421 ("mfd: Add support for PMIC MT6360"): BUG: kernel
NULL pointer dereference, address: 00000000
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 7edd363421dab1d4806802ac65613d1c0ec85824
Author: Gene Chen <gene.chen.richtek@...il.com>
AuthorDate: Thu Apr 23 19:24:52 2020 +0800
Commit: Lee Jones <lee.jones@...aro.org>
CommitDate: Wed May 27 07:46:18 2020 +0100
mfd: Add support for PMIC MT6360
Add MFD driver for mt6360 pmic chip include Battery Charger/
USB_PD/Flash, LED/RGB and LED/LDO/Buck
Signed-off-by: Gene Chen <gene_chen@...htek.com>
Signed-off-by: Lee Jones <lee.jones@...aro.org>
12e5bf757a mfd: max77620: Use single-byte writes on MAX77620
7edd363421 mfd: Add support for PMIC MT6360
435faf5c21 Merge tag 'riscv-for-linus-5.8-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
+---------------------------------------------+------------+------------+------------+
| | 12e5bf757a | 7edd363421 | 435faf5c21 |
+---------------------------------------------+------------+------------+------------+
| boot_successes | 29 | 0 | 0 |
| boot_failures | 1 | 15 | 10 |
| BUG:kernel_hang_in_boot_stage | 1 | | |
| BUG:kernel_NULL_pointer_dereference,address | 0 | 15 | 10 |
| Oops:#[##] | 0 | 15 | 10 |
| EIP:strcmp | 0 | 15 | 10 |
| Kernel_panic-not_syncing:Fatal_exception | 0 | 15 | 10 |
+---------------------------------------------+------------+------------+------------+
If you fix the issue, kindly add following tag
Reported-by: kernel test robot <lkp@...el.com>
[ 121.091622] Phantom Linux Driver, version n0.9.8, init OK
[ 121.113939] Silicon Labs C2 port support v. 0.51.0 - (C) 2007 Rodolfo Giometti
[ 121.146046] Guest personality initialized and is inactive
[ 121.169091] VMCI host device registered (name=vmci, major=10, minor=60)
[ 121.188032] Initialized host personality
[ 121.241021] BUG: kernel NULL pointer dereference, address: 00000000
[ 121.243012] #PF: supervisor read access in kernel mode
[ 121.243012] #PF: error_code(0x0000) - not-present page
[ 121.243012] *pdpt = 0000000000000000 *pde = f000ff53f000ff53
[ 121.243012] Oops: 0000 [#1] DEBUG_PAGEALLOC
[ 121.243012] CPU: 0 PID: 1 Comm: swapper Not tainted 5.7.0-rc1-00052-g7edd363421dab #1
[ 121.243012] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 121.243012] EIP: strcmp+0x11/0x30
[ 121.243012] Code: fa 8b 75 f8 89 c8 8b 7d fc 89 ec 5d c3 8d b4 26 00 00 00 00 8d 74 26 00 90 55 89 e5 83 ec 08 89 75 f8 89 c6 89 7d fc 89 d7 ac <ae> 75 08 84 c0 75 f8 31 c0 eb 04 19 c0 0c 01 8b 75 f8 8b 7d fc 89
[ 121.243012] EAX: c2a8bc64 EBX: 00000000 ECX: 00000000 EDX: 00000000
[ 121.243012] ESI: c2a8bc79 EDI: 00000000 EBP: e54bdea8 ESP: e54bdea0
[ 121.243012] DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 EFLAGS: 00010286
[ 121.243012] CR0: 80050033 CR2: 00000000 CR3: 02ec3000 CR4: 000006b0
[ 121.243012] Call Trace:
[ 121.243012] kset_find_obj+0x3d/0xc0
[ 121.243012] driver_find+0x16/0x40
[ 121.243012] driver_register+0x49/0x100
[ 121.243012] ? i2c_for_each_dev+0x39/0x50
[ 121.243012] ? __process_new_adapter+0x20/0x20
[ 121.243012] ? cht_wc_driver_init+0x11/0x11
[ 121.243012] i2c_register_driver+0x30/0x80
[ 121.243012] ? intel_lpss_pci_driver_init+0x16/0x16
[ 121.243012] mt6360_pmu_driver_init+0xf/0x11
[ 121.243012] do_one_initcall+0x33/0x1a0
[ 121.243012] ? parse_args+0x1eb/0x3d0
[ 121.243012] ? __might_sleep+0x31/0x90
[ 121.243012] ? kernel_init_freeable+0x10a/0x17f
[ 121.243012] kernel_init_freeable+0x12c/0x17f
[ 121.243012] ? rest_init+0x110/0x110
[ 121.243012] kernel_init+0xb/0x100
[ 121.243012] ? schedule_tail_wrapper+0x9/0xc
[ 121.243012] ret_from_fork+0x19/0x24
[ 121.243012] Modules linked in:
[ 121.243012] CR2: 0000000000000000
[ 121.243012] random: get_random_bytes called from init_oops_id+0x3a/0x40 with crng_init=0
[ 121.243012] ---[ end trace 38a803400f1a2bee ]---
[ 121.243012] EIP: strcmp+0x11/0x30
# HH:MM RESULT GOOD BAD GOOD_BUT_DIRTY DIRTY_NOT_BAD
git bisect start e7b08814b16b80a0bf76eeca16317f8c2ed23b8c v5.6 --
git bisect good 0e698dfa282211e414076f9dc7e83c1c288314fd # 10:46 G 10 0 0 0 Linux 5.7-rc4
git bisect good e6dffbf84da606cdb0a9bbaf5578cd2f7f792e05 # 11:36 G 10 0 0 0 Merge remote-tracking branch 'omap/for-next'
git bisect good 2a74742ab11f42d8f855b00f88b3ed269c68040b # 12:11 G 10 0 0 0 Merge remote-tracking branch 'sound-asoc/for-next'
git bisect bad 259921c0dc98a30df65d25d91f2f5c95567d12c9 # 12:37 B 0 1 17 0 Merge remote-tracking branch 'driver-core/driver-core-next'
git bisect bad d9baaa8ac86327a7a913f79db4b7342d0fa09c91 # 12:56 B 0 1 17 0 Merge remote-tracking branch 'iommu/next'
git bisect bad aacbf7c5e5f087e216d3c8772ef36ef46d873876 # 13:14 B 0 1 17 0 Merge remote-tracking branch 'regulator/for-next'
git bisect good f7793e0aaba983940644b9610e8a04d2c417b797 # 13:49 G 10 0 0 0 Merge remote-tracking branch 'pcmcia/pcmcia-next'
git bisect bad 5ba24b008cb7900cfe07e3bf27ff854e4cf520cc # 14:51 B 0 4 22 0 Merge remote-tracking branch 'mfd/for-mfd-next'
git bisect good ae683dc18d5e3febf0a0346f56a641351a95dc48 # 15:29 G 10 0 1 1 Merge remote-tracking branch 'mmc/next'
git bisect good 2f72d35ea75ee8bf8c9e63fb43d43d5bfb4ac8fd # 15:49 G 10 0 0 0 MAINTAINERS: Update entry for Intel Broxton PMC driver
git bisect good ff8bd0b59cfdabb9bc4c0941724fafaf9a508c07 # 16:08 G 10 0 0 0 mfd: tqmx86: Fix a typo in MODULE_DESCRIPTION
git bisect good f4a1954036c1a256e89fb087eb39cb719336e7c4 # 16:23 G 10 0 0 0 mfd: wm8994: Fix unbalanced calls to regulator_bulk_disable()
git bisect good 97eda5dcc2cde5dcc778bef7a9344db3b6bf8ef5 # 17:25 G 10 0 1 1 mfd: stmfx: Disable IRQ in suspend to avoid spurious interrupt
git bisect good 12e5bf757a1fd03c5d736942428732be641daa1c # 17:41 G 10 0 0 0 mfd: max77620: Use single-byte writes on MAX77620
git bisect bad 7edd363421dab1d4806802ac65613d1c0ec85824 # 18:00 B 0 3 19 0 mfd: Add support for PMIC MT6360
# first bad commit: [7edd363421dab1d4806802ac65613d1c0ec85824] mfd: Add support for PMIC MT6360
git bisect good 12e5bf757a1fd03c5d736942428732be641daa1c # 18:10 G 30 0 3 4 mfd: max77620: Use single-byte writes on MAX77620
# extra tests with debug options
git bisect bad 7edd363421dab1d4806802ac65613d1c0ec85824 # 18:21 B 0 3 19 0 mfd: Add support for PMIC MT6360
# extra tests on head commit of linus/master
git bisect bad 435faf5c218a47fd6258187f62d9bb1009717896 # 18:39 B 0 10 26 0 Merge tag 'riscv-for-linus-5.8-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
# bad: [435faf5c218a47fd6258187f62d9bb1009717896] Merge tag 'riscv-for-linus-5.8-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
# extra tests on linus/master
# duplicated: [435faf5c218a47fd6258187f62d9bb1009717896] Merge tag 'riscv-for-linus-5.8-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
# extra tests on linux-next/master
# 119: [af30725c132e2e5c5369b60369ff0771fde7d4ff] Add linux-next specific files for 20200605
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/lkp@lists.01.org
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