linux-kernel - [LKP] [genirq] d5b2eacdbc2: BUG: unable to handle kernel NULL pointer dereference at (null)

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Date:	Thu, 30 Apr 2015 16:33:59 +0800
From:	Yuanhan Liu <yuanhan.liu@...ux.intel.com>
To:	Jiang Liu <jiang.liu@...ux.intel.com>
Cc:	LKML <linux-kernel@...r.kernel.org>, lkp@...org
Subject: [LKP] [genirq] d5b2eacdbc2: BUG: unable to handle kernel NULL
 pointer dereference at           (null)

FYI, we noticed the below changes on

https://github.com/jiangliu/linux.git test/irq_common_data_v2
commit d5b2eacdbc280da7c6dfbe0f52bb293ef227d349 ("genirq: Introduce struct irq_common_data to host shared irq data")


+---------------------------------------------------------+------------+------------+
|                                                         | 39fb394021 | d5b2eacdbc |
+---------------------------------------------------------+------------+------------+
| boot_successes                                          | 0          | 0          |
| boot_failures                                           | 22         | 20         |
| PM:Hibernation_image_not_present_or_could_not_be_loaded | 22         |            |
| BUG:unable_to_handle_kernel                             | 0          | 20         |
| Oops                                                    | 0          | 20         |
| Kernel_panic-not_syncing:Fatal_exception_in_interrupt   | 0          | 20         |
| backtrace:__pci_register_driver                         | 0          | 6          |
| backtrace:e1000_init_module                             | 0          | 6          |
| backtrace:kernel_init_freeable                          | 0          | 6          |
| backtrace:ata_sff_pio_task                              | 0          | 14         |
+---------------------------------------------------------+------------+------------+


[    1.351055] ata2.01: NODEV after polling detection
[    1.352179] ata2.00: ATAPI: QEMU DVD-ROM, 2.1.2, max UDMA/100
[    1.353501] ata2.00: configured for MWDMA2
[    1.354423] BUG: unable to handle kernel NULL pointer dereference at           (null)
[    1.356074] IP: [<          (null)>]           (null)
[    1.356074] PGD 0 
[    1.356074] Oops: 0010 [#1] SMP 
[    1.356074] Modules linked in:
[    1.356074] CPU: 0 PID: 584 Comm: kworker/0:1 Not tainted 4.1.0-rc1-wl-ath-00905-geb3b9ec #1
[    1.356074] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.7.5-20140531_083030-gandalf 04/01/2014
[    1.356074] Workqueue: ata_sff ata_sff_pio_task
[    1.356074] task: ffff880011c2af30 ti: ffff8800123bc000 task.ti: ffff8800123bc000
[    1.356074] RIP: 0010:[<0000000000000000>]  [<          (null)>]           (null)
[    1.356074] RSP: 0000:ffff880013803ee0  EFLAGS: 00010046
[    1.356074] RAX: ffffffff8222b2c0 RBX: ffff88001349fc80 RCX: 0000000000000009
[    1.356074] RDX: ffff88001348f400 RSI: ffffffffffffffc0 RDI: ffff88001349fc80
[    1.356074] RBP: ffff880013803ef8 R08: 0000000000000000 R09: 0000000000000013
[    1.356074] R10: 0000000000000006 R11: 0000000000000000 R12: ffff88001348f400
[    1.356074] R13: 000000000000000f R14: ffff8800123bfc78 R15: 0000000000000000
[    1.356074] FS:  0000000000000000(0000) GS:ffff880013800000(0000) knlGS:0000000000000000
[    1.356074] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[    1.356074] CR2: 0000000000000000 CR3: 000000000220b000 CR4: 00000000000006f0
[    1.356074] Stack:
[    1.356074]  ffffffff8113aa96 ffff88001349fc80 ffff88001348f458 ffff880013803f18
[    1.356074]  ffffffff8106bc49 ffffffff8222b2c0 ffff88001348f400 ffff880013803f28
[    1.356074]  ffffffff81138421 ffff880013803f48 ffffffff811380db 000000000000000f
[    1.356074] Call Trace:
[    1.356074]  <IRQ> 
[    1.356074]  [<ffffffff8113aa96>] ? irq_move_irq+0x34/0x50
[    1.356074]  [<ffffffff8106bc49>] apic_ack_edge+0x23/0x3b
[    1.356074]  [<ffffffff81138421>] irq_chip_ack_parent+0x14/0x16
[    1.356074]  [<ffffffff811380db>] handle_edge_irq+0xa5/0x110
[    1.356074]  [<ffffffff8103f761>] handle_irq+0x27/0x2d
[    1.356074]  [<ffffffff81a3ad3c>] do_IRQ+0x4c/0xcf
[    1.356074]  [<ffffffff81a38f33>] common_interrupt+0x73/0x73
[    1.356074]  <EOI> 
[    1.356074]  [<ffffffff816823a3>] ? __ata_qc_complete+0xe1/0xe9
[    1.356074]  [<ffffffff81a37f5e>] ? _raw_spin_unlock_irqrestore+0x32/0x42
[    1.356074]  [<ffffffff8169246a>] ata_sff_hsm_move+0x258/0x66a
[    1.356074]  [<ffffffff816929bc>] ata_sff_pio_task+0x140/0x15e
[    1.356074]  [<ffffffff81105591>] process_one_work+0x1c6/0x37b
[    1.356074]  [<ffffffff81106222>] worker_thread+0x2ad/0x3b6
[    1.356074]  [<ffffffff81105f75>] ? rescuer_thread+0x318/0x318
[    1.356074]  [<ffffffff8110a42c>] kthread+0xf8/0x100
[    1.356074]  [<ffffffff8110a334>] ? kthread_create_on_node+0x184/0x184
[    1.356074]  [<ffffffff81a38802>] ret_from_fork+0x42/0x70
[    1.356074]  [<ffffffff8110a334>] ? kthread_create_on_node+0x184/0x184
[    1.356074] Code:  Bad RIP value.
[    1.356074] RIP  [<          (null)>]           (null)
[    1.356074]  RSP <ffff880013803ee0>
[    1.356074] CR2: 0000000000000000
[    1.356074] ---[ end trace d37ae2366ce94eef ]---
[    1.356074] Kernel panic - not syncing: Fatal exception in interrupt



Thanks,
lkp

View attachment "config-4.0.0-09073-gd5b2eac" of type "text/plain" (87103 bytes)

View attachment ".dmesg" of type "text/plain" (36954 bytes)

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