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Date:	Fri, 10 Jan 2014 20:31:43 +0800
From:	kernel test robot <fengguang.wu@...el.com>
To:	Filipe David Borba Manana <fdmanana@...il.com>
Cc:	Josef Bacik <jbacik@...com>, linux-kernel@...r.kernel.org,
	linux-btrfs@...r.kernel.org
Subject: [btrfs] BUG: unable to handle kernel NULL pointer dereference at
 (null)

Greetings,

I got the below dmesg and the first bad commit is

commit 87e612ae9ed2ea886bec151145f4b09b6ee97a10
Author:     Filipe David Borba Manana <fdmanana@...il.com>
AuthorDate: Tue Jan 7 11:47:46 2014 +0000
Commit:     Josef Bacik <jbacik@...com>
CommitDate: Wed Jan 8 15:32:30 2014 -0500

    Btrfs: add support for inode properties
    
    Signed-off-by: Filipe David Borba Manana <fdmanana@...il.com>
    Signed-off-by: Josef Bacik <jbacik@...com>


[    1.998830] ROMFS MTD (C) 2007 Red Hat, Inc.
[    2.008849] fuse init (API version 7.22)
[    2.011041] SGI XFS with ACLs, security attributes, realtime, large block/inode numbers, no debug enabled
[    2.024722] BUG: unable to handle kernel NULL pointer dereference at           (null)
[    2.027814] IP: [<ffffffff81501594>] crc32c+0xc/0x6b
[    2.028684] PGD 0 
[    2.028684] Oops: 0000 [#1] SMP 
[    2.028684] Modules linked in:
[    2.028684] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.13.0-rc7-04795-ga7b57c2 #1
[    2.028684] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.028684] task: ffff88000edba100 ti: ffff88000edd6000 task.ti: ffff88000edd6000
[    2.028684] RIP: 0010:[<ffffffff81501594>]  [<ffffffff81501594>] crc32c+0xc/0x6b
[    2.028684] RSP: 0000:ffff88000edd7e58  EFLAGS: 00010246
[    2.028684] RAX: 0000000000000000 RBX: ffffffff82295550 RCX: 0000000000000000
[    2.028684] RDX: 0000000000000011 RSI: ffffffff81efe393 RDI: 00000000fffffffe
[    2.028684] RBP: ffff88000edd7e60 R08: 0000000000000003 R09: 0000000000015d20
[    2.028684] R10: ffffffff81ef225e R11: ffffffff811b0222 R12: ffffffffffffffff
[    2.028684] R13: 0000000000000239 R14: 0000000000000000 R15: 0000000000000000
[    2.028684] FS:  0000000000000000(0000) GS:ffff88000fa00000(0000) knlGS:0000000000000000
[    2.028684] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[    2.028684] CR2: 0000000000000000 CR3: 000000000220c000 CR4: 00000000000006f0
[    2.028684] Stack:
[    2.028684]  ffffffff82295550 ffff88000edd7e80 ffffffff8238af62 ffffffff8238ac05
[    2.028684]  0000000000000000 ffff88000edd7e98 ffffffff8238ac0f ffffffff8238ac05
[    2.028684]  ffff88000edd7f08 ffffffff810002ba ffff88000edd7f00 ffffffff810e2404
[    2.028684] Call Trace:
[    2.028684]  [<ffffffff8238af62>] btrfs_props_init+0x4f/0x96
[    2.028684]  [<ffffffff8238ac05>] ? ftrace_define_fields_btrfs_space_reservation+0x145/0x145
[    2.028684]  [<ffffffff8238ac0f>] init_btrfs_fs+0xa/0xf0
[    2.028684]  [<ffffffff8238ac05>] ? ftrace_define_fields_btrfs_space_reservation+0x145/0x145
[    2.028684]  [<ffffffff810002ba>] do_one_initcall+0xa4/0x13a
[    2.028684]  [<ffffffff810e2404>] ? parse_args+0x25f/0x33d
[    2.028684]  [<ffffffff8234cf75>] kernel_init_freeable+0x1aa/0x230
[    2.028684]  [<ffffffff8234c785>] ? do_early_param+0x88/0x88
[    2.028684]  [<ffffffff819f61b5>] ? rest_init+0x89/0x89
[    2.028684]  [<ffffffff819f61c3>] kernel_init+0xe/0x109
[    2.028684]  [<ffffffff81a133fc>] ret_from_fork+0x7c/0xb0
[    2.028684]  [<ffffffff819f61b5>] ? rest_init+0x89/0x89
[    2.028684] Code: e5 e8 17 ff ff ff 5d c3 48 85 d2 89 f8 74 0f 55 b9 78 3b f6 82 48 89 e5 e8 00 ff ff ff 5d c3 48 8b 0d 91 2e 13 01 55 48 89 e5 53 <8b> 01 48 83 c0 17 48 83 e0 f8 48 83 c0 0e 48 c1 e8 03 48 c1 e0 
[    2.028684] RIP  [<ffffffff81501594>] crc32c+0xc/0x6b
[    2.028684]  RSP <ffff88000edd7e58>
[    2.028684] CR2: 0000000000000000
[    2.028684] ---[ end trace 708701e01d1d3a3b ]---
[    2.221062] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000009

git bisect start a7b57c2737e92e6ba4bedbd4a001aed5d4b62fd5 d6e0a2dd12f4067a5bcefb8bbd8ddbeff800afbc --
git bisect  bad 5615d9a96f8109556850ee41592f8f9d2279e566  # 19:03      0-     20  Merge 'nmenon/tmp/kristo-clks-v13-jan9-am43xx' into devel-hourly-2014011013
git bisect  bad f8df98706ae4547924141b8d95c307ef742999a7  # 19:03      0-     20  Merge 'kees/format-security' into devel-hourly-2014011013
git bisect good 4b251aef823521c4b2cdc8d413975378f3bb7fc1  # 19:08     20+      0  Merge 'sstabellini-xen/lost_ticks_8' into devel-hourly-2014011013
git bisect good c8a1dd4964097ec13d6a60434e58d9ec19e83918  # 19:12     20+      0  Merge 'mac80211-next/wip' into devel-hourly-2014011013
git bisect  bad b7f416846110d9aa9ec315e51bc2eadf3cd2934f  # 19:15      0-     17  Merge 'josef-btrfs/master' into devel-hourly-2014011013
git bisect good 69c2c7d9568a4d4a3c5207f52f459cdac09701dd  # 19:20     20+      0  Merge 'kees/lkdtm' into devel-hourly-2014011013
git bisect good 35d47d611d6811d25e8032bad9a3cc50735591c9  # 19:26     20+      0  Btrfs: fix wrong super generation mismatch when scrubbing supers
git bisect good 6d7a126842207c1d6a55b92ea293061f174132dd  # 19:39     20+      0  Btrfs: use flags instead of the bool variants in delayed node
git bisect good 3d87c99a71684920bf9427c4ecdea24aeacc4192  # 19:47     20+      0  btrfs: Add noautodefrag mount option.
git bisect good ed462d91b13ea7155b25f6e9066052499dc0f93b  # 19:54     20+      1  btrfs: Add treelog mount option.
git bisect good e2221577bed80f6c409d86157696e805995a08a5  # 20:01     20+      0  Btrfs: remove unnecessary transaction commit before send
git bisect good a956b1b9216be628ea59bd682529795683258736  # 20:06     20+      0  Btrfs: faster file extent item replace operations
git bisect  bad 87e612ae9ed2ea886bec151145f4b09b6ee97a10  # 20:06      0-    100  Btrfs: add support for inode properties
# first bad commit: [87e612ae9ed2ea886bec151145f4b09b6ee97a10] Btrfs: add support for inode properties
git bisect good a956b1b9216be628ea59bd682529795683258736  # 20:08     60+      2  Btrfs: faster file extent item replace operations
git bisect  bad a7b57c2737e92e6ba4bedbd4a001aed5d4b62fd5  # 20:08      0-     29  0day head guard for 'devel-hourly-2014011013'
git bisect good 846ec8a51f482309801dfbed236638cfe86ef950  # 20:18     60+      1  Revert "Btrfs: add support for inode properties"
git bisect good 21e20e22d4e9d6ae8504c7275049a57ad4d1b71f  # 20:22     60+      1  Merge tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mike.turquette/linux
git bisect  bad 1955a14a5ba6e3c3b11117812d11dc550ccc37ae  # 20:22      0-     52  Add linux-next specific files for 20140110

Thanks,
Fengguang

View attachment "dmesg-yocto-bens-4:20140110183345:x86_64-lkp:3.13.0-rc7-04795-ga7b57c2:1" of type "text/plain" (42400 bytes)

View attachment "config-3.13.0-rc7-04795-ga7b57c2" of type "text/plain" (81680 bytes)

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