Date:   Tue, 27 Dec 2016 09:10:38 +0800
From:   Fengguang Wu <fengguang.wu@...el.com>
To:     Rob Herring <robh@...nel.org>, Jens Axboe <axboe@...com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org, LKP <lkp@...org>
Subject: [blk_mq_register_disk] bea5b158ff BUG: Double free or freeing an
 invalid pointer

Greetings,

Here is another bug exposed by patch

commit bea5b158ff0da9c7246ff391f754f5f38e34577a
Author:     Rob Herring <robh@...nel.org>
AuthorDate: Thu Aug 11 10:20:58 2016 -0500
Commit:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CommitDate: Wed Aug 31 15:13:55 2016 +0200

     driver core: add test of driver remove calls during probe
     
     In recent discussions on ksummit-discuss[1], it was suggested to do a
     sequence of probe, remove, probe for testing driver remove paths. This
     adds a kconfig option for said test.
     
     [1] https://lists.linuxfoundation.org/pipermail/ksummit-discuss/2016-August/003459.html
     
     Suggested-by: Arnd Bergmann <arnd@...db.de>
     Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
     Signed-off-by: Rob Herring <robh@...nel.org>
     Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

+-------------------------------------------------+------------+------------+-------------+
|                                                 | cebf8fd169 | bea5b158ff | v4.9_122400 |
+-------------------------------------------------+------------+------------+-------------+
| boot_successes                                  | 76         | 0          | 0           |
| boot_failures                                   | 12         | 22         | 13          |
| BUG:kernel_reboot-without-warning_in_test_stage | 12         |            |             |
| calltrace:async_run_entry_fn                    | 0          | 22         | 13          |
| BUG:Double_free_or_freeing_an_invalid_pointer   | 0          | 22         | 13          |
| calltrace:scsi_debug_init                       | 0          | 22         | 13          |
| WARNING:at_include/linux/kref.h:#kobject_get    | 0          | 22         | 13          |
| BUG:KASAN:use-after-free_in                     | 0          | 22         | 10          |
| calltrace:init                                  | 0          | 22         | 9           |
+-------------------------------------------------+------------+------------+-------------+

[   16.231489] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, supports DPO and FUA
[   16.256951] kobject (ffff88001ec08640): tried to init an initialized object, something is seriously wrong.
[   16.260429] CPU: 0 PID: 6 Comm: kworker/u2:0 Not tainted 4.8.0-rc4-00003-gbea5b15 #1
[   16.263455] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.3-20161025_171302-gandalf 04/01/2014
[   16.266996] Workqueue: events_unbound async_run_entry_fn
[   16.282095]  0000000000000000 ffff8800191a7bb0 ffffffffb70814cb ffff8800191a7bd8
[   16.285505]  ffffffffb7083d08 ffff88001ec08000 ffff88001f3fa200 ffff88001f3fa200
[   16.288901]  ffff8800191a7c10 ffffffffb706df61 ffff88001ec08000 ffff88001f3fa200
[   16.292359] Call Trace:
[   16.306703]  [<ffffffffb70814cb>] dump_stack+0x19/0x1b
[   16.308553]  [<ffffffffb7083d08>] kobject_init+0x35/0xb3
[   16.310402]  [<ffffffffb706df61>] blk_mq_register_disk+0x3e/0x123
[   16.312426]  [<ffffffffb705ffdc>] blk_register_queue+0xd8/0x12a
[   16.314399]  [<ffffffffb707142b>] device_add_disk+0x4cc/0x677
[   16.316342]  [<ffffffffb7390019>] sd_probe_async+0x226/0x2fa
[   16.318270]  [<ffffffffb738fdf3>] ? sd_revalidate_disk+0x16b3/0x16b3
[   16.333417]  [<ffffffffb6cf7ed7>] async_run_entry_fn+0x74/0x18e
[   16.335418]  [<ffffffffb6ced4a1>] process_one_work+0x2c0/0x4c8
[   16.337372]  [<ffffffffb6ced41e>] ? process_one_work+0x23d/0x4c8
[   16.339361]  [<ffffffffb6ced9b9>] worker_thread+0x2d2/0x408
[   16.341262]  [<ffffffffb6ced6e7>] ? process_scheduled_works+0x3e/0x3e
[   16.343330]  [<ffffffffb6cf4b4e>] kthread+0x105/0x114
[   16.358179]  [<ffffffffb7be6b11>] ? _raw_spin_unlock_irq+0x27/0x3e
[   16.360504]  [<ffffffffb7be73ef>] ret_from_fork+0x1f/0x40
[   16.362651]  [<ffffffffb6cf4a49>] ? init_completion+0x2d/0x2d
[   16.364894] kobject (ffff88001e909308): tried to init an initialized object, something is seriously wrong.
[   16.368305] CPU: 0 PID: 6 Comm: kworker/u2:0 Not tainted 4.8.0-rc4-00003-gbea5b15 #1
[   16.371523] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.3-20161025_171302-gandalf 04/01/2014
[   16.375153] Workqueue: events_unbound async_run_entry_fn
[   16.377279]  0000000000000000 ffff8800191a7bb0 ffffffffb70814cb ffff8800191a7bd8
[   16.381022]  ffffffffb7083d08 ffff88001ec08000 ffff88001f3fa200 ffff88001f3fa200
[   16.384768]  ffff8800191a7c10 ffffffffb706df87 ffff88001ec08000 ffff88001f3fa200
[   16.388537] Call Trace:
[   16.389920]  [<ffffffffb70814cb>] dump_stack+0x19/0x1b
[   16.391919]  [<ffffffffb7083d08>] kobject_init+0x35/0xb3
[   16.393956]  [<ffffffffb706df87>] blk_mq_register_disk+0x64/0x123
[   16.396187]  [<ffffffffb705ffdc>] blk_register_queue+0xd8/0x12a
[   16.398384]  [<ffffffffb707142b>] device_add_disk+0x4cc/0x677
[   16.400516]  [<ffffffffb7390019>] sd_probe_async+0x226/0x2fa
[   16.402637]  [<ffffffffb738fdf3>] ? sd_revalidate_disk+0x16b3/0x16b3
[   16.404920]  [<ffffffffb6cf7ed7>] async_run_entry_fn+0x74/0x18e
[   16.407099]  [<ffffffffb6ced4a1>] process_one_work+0x2c0/0x4c8
[   16.409251]  [<ffffffffb6ced41e>] ? process_one_work+0x23d/0x4c8
[   16.411465]  [<ffffffffb6ced9b9>] worker_thread+0x2d2/0x408
[   16.413563]  [<ffffffffb6ced6e7>] ? process_scheduled_works+0x3e/0x3e
[   16.415867]  [<ffffffffb6cf4b4e>] kthread+0x105/0x114
[   16.417847]  [<ffffffffb7be6b11>] ? _raw_spin_unlock_irq+0x27/0x3e
[   16.420090]  [<ffffffffb7be73ef>] ret_from_fork+0x1f/0x40
[   16.422180]  [<ffffffffb6cf4a49>] ? init_completion+0x2d/0x2d
[   16.424525] ==================================================================
[   16.427671] BUG: Double free or freeing an invalid pointer
[   16.429721] Unexpected shadow byte: 0xFB
[   16.431429] CPU: 0 PID: 6 Comm: kworker/u2:0 Not tainted 4.8.0-rc4-00003-gbea5b15 #1
[   16.434680] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.3-20161025_171302-gandalf 04/01/2014
[   16.438491] Workqueue: events_unbound async_run_entry_fn
[   16.440632]  0000000000000000 ffff8800191a79f8 ffffffffb70814cb ffff8800191a7a20
[   16.444325]  ffffffffb6dd2ca5 00000000fffffffb ffff880019001c80 ffff8800190a46f0
[   16.447995]  ffff8800191a7a50 ffffffffb6dd2d86 0000000000000296 ffff880019001c80
[   16.451695] Call Trace:
[   16.453069]  [<ffffffffb70814cb>] dump_stack+0x19/0x1b
[   16.455050]  [<ffffffffb6dd2ca5>] kasan_object_err+0x1c/0x73
[   16.457141]  [<ffffffffb6dd2d86>] kasan_report_double_free+0x45/0x56
[   16.459389]  [<ffffffffb6dd243f>] kasan_slab_free+0x38/0x8f
[   16.461464]  [<ffffffffb6dcdf31>] slab_free_freelist_hook+0x88/0xa0
[   16.463687]  [<ffffffffb6dd0ea1>] kfree+0x64/0xef
[   16.465571]  [<ffffffffb6d9fc41>] ? kfree_const+0x1b/0x1d
[   16.467609]  [<ffffffffb6d9fc41>] kfree_const+0x1b/0x1d
[   16.469813]  [<ffffffffb7083c7b>] kobject_set_name_vargs+0x9f/0xb5
[   16.472363]  [<ffffffffb7084826>] kobject_add+0x80/0xbc
[   16.474649]  [<ffffffffb708526e>] ? kobject_uevent_env+0xaa/0x671
[   16.477186]  [<ffffffffb706dc9c>] blk_mq_register_hctx+0x75/0xf4
[   16.479686]  [<ffffffffb706dffc>] ? blk_mq_register_disk+0xd9/0x123
[   16.482285]  [<ffffffffb706e005>] blk_mq_register_disk+0xe2/0x123
[   16.484822]  [<ffffffffb705ffdc>] blk_register_queue+0xd8/0x12a
[   16.487320]  [<ffffffffb707142b>] device_add_disk+0x4cc/0x677
[   16.489754]  [<ffffffffb7390019>] sd_probe_async+0x226/0x2fa
[   16.492177]  [<ffffffffb738fdf3>] ? sd_revalidate_disk+0x16b3/0x16b3
[   16.494780]  [<ffffffffb6cf7ed7>] async_run_entry_fn+0x74/0x18e
[   16.497259]  [<ffffffffb6ced4a1>] process_one_work+0x2c0/0x4c8
[   16.499716]  [<ffffffffb6ced41e>] ? process_one_work+0x23d/0x4c8
[   16.502224]  [<ffffffffb6ced9b9>] worker_thread+0x2d2/0x408
[   16.504608]  [<ffffffffb6ced6e7>] ? process_scheduled_works+0x3e/0x3e
[   16.507234]  [<ffffffffb6cf4b4e>] kthread+0x105/0x114
[   16.509475]  [<ffffffffb7be6b11>] ? _raw_spin_unlock_irq+0x27/0x3e
[   16.512025]  [<ffffffffb7be73ef>] ret_from_fork+0x1f/0x40
[   16.514371]  [<ffffffffb6cf4a49>] ? init_completion+0x2d/0x2d
[   16.516795] Object at ffff8800190a46f0, in cache kmalloc-8 size: 8
[   16.519335] Allocated:
[   16.520806] PID = 6
[   16.522210]  [<ffffffffb6c2a019>] save_stack_trace+0x25/0x40
[   16.524733]  [<ffffffffb6dd1e9b>] save_stack+0x46/0xce
[   16.527116]  [<ffffffffb6dd252f>] kasan_kmalloc+0x99/0xa8
[   16.529564]  [<ffffffffb6dd2550>] kasan_slab_alloc+0x12/0x14
[   16.532094]  [<ffffffffb6dcd60a>] slab_post_alloc_hook+0x38/0x45
[   16.534706]  [<ffffffffb6dd1cd8>] __kmalloc_track_caller+0xe4/0xf2
[   16.537375]  [<ffffffffb709469a>] kvasprintf+0x54/0xa9
[   16.539761]  [<ffffffffb7094794>] kvasprintf_const+0xa5/0xae
[   16.542287]  [<ffffffffb7083c18>] kobject_set_name_vargs+0x3c/0xb5
[   16.544960]  [<ffffffffb7084826>] kobject_add+0x80/0xbc
[   16.547373]  [<ffffffffb706dc9c>] blk_mq_register_hctx+0x75/0xf4
[   16.549998]  [<ffffffffb706e005>] blk_mq_register_disk+0xe2/0x123
[   16.552657]  [<ffffffffb705ffdc>] blk_register_queue+0xd8/0x12a
[   16.555280]  [<ffffffffb707142b>] device_add_disk+0x4cc/0x677
[   16.557938]  [<ffffffffb7390019>] sd_probe_async+0x226/0x2fa
[   16.560630]  [<ffffffffb6cf7ed7>] async_run_entry_fn+0x74/0x18e
[   16.563328]  [<ffffffffb6ced4a1>] process_one_work+0x2c0/0x4c8
[   16.565914]  [<ffffffffb6ced9b9>] worker_thread+0x2d2/0x408
[   16.568420]  [<ffffffffb6cf4b4e>] kthread+0x105/0x114
[   16.570767]  [<ffffffffb7be73ef>] ret_from_fork+0x1f/0x40
[   16.573072] Freed:
[   16.574312] PID = 1
[   16.575684]  [<ffffffffb6c2a019>] save_stack_trace+0x25/0x40
[   16.578237]  [<ffffffffb6dd1e9b>] save_stack+0x46/0xce
[   16.580640]  [<ffffffffb6dd2474>] kasan_slab_free+0x6d/0x8f
[   16.583162]  [<ffffffffb6dcdf31>] slab_free_freelist_hook+0x88/0xa0
[   16.585873]  [<ffffffffb6dd0ea1>] kfree+0x64/0xef
[   16.588152]  [<ffffffffb6d9fc41>] kfree_const+0x1b/0x1d
[   16.590568]  [<ffffffffb7083fcb>] kobject_release+0x78/0x81
[   16.593087]  [<ffffffffb7083e3d>] kobject_put+0x49/0x4c
[   16.595500]  [<ffffffffb706de91>] __blk_mq_unregister_disk+0x102/0x15d
[   16.598308]  [<ffffffffb706df03>] blk_mq_unregister_disk+0x17/0x1e
[   16.600994]  [<ffffffffb7060082>] blk_unregister_queue+0x54/0xa0
[   16.603634]  [<ffffffffb7071f55>] del_gendisk+0x16e/0x255
[   16.606109]  [<ffffffffb738d191>] sd_remove+0x9e/0x106
[   16.608492]  [<ffffffffb72a3bb8>] driver_probe_device+0x1f4/0x433
[   16.611149]  [<ffffffffb72a3f82>] __device_attach_driver+0xb7/0xd3
[   16.613494]  [<ffffffffb72a1aab>] bus_for_each_drv+0xb7/0xbc
[   16.615567]  [<ffffffffb72a38a7>] __device_attach+0xb9/0x120
[   16.617636]  [<ffffffffb72a416e>] device_initial_probe+0xe/0x10
[   16.619777]  [<ffffffffb72a1d7b>] bus_probe_device+0x55/0xf9
[   16.621839]  [<ffffffffb729f348>] device_add+0x5a4/0x730
[   16.623825]  [<ffffffffb7331020>] scsi_sysfs_add_sdev+0x162/0x2eb
[   16.625978]  [<ffffffffb732df87>] scsi_probe_and_add_lun+0xeae/0xf8d
[   16.628203]  [<ffffffffb732e544>] __scsi_scan_target+0x9c/0x20e
[   16.630325]  [<ffffffffb732e71d>] scsi_scan_channel+0x67/0x75
[   16.632543]  [<ffffffffb732eb3a>] scsi_scan_host_selected+0x156/0x1c8
[   16.634788]  [<ffffffffb732ec82>] do_scsi_scan_host+0xd6/0xdf
[   16.636866]  [<ffffffffb732f0c0>] scsi_scan_host+0x234/0x248
[   16.638925]  [<ffffffffb73a050b>] sdebug_driver_probe+0x2ef/0x2ff
[   16.641096]  [<ffffffffb72a3b64>] driver_probe_device+0x1a0/0x433
[   16.643258]  [<ffffffffb72a3f82>] __device_attach_driver+0xb7/0xd3
[   16.648042]  [<ffffffffb72a1aab>] bus_for_each_drv+0xb7/0xbc
[   16.650111]  [<ffffffffb72a38a7>] __device_attach+0xb9/0x120
[   16.668921]  [<ffffffffb72a416e>] device_initial_probe+0xe/0x10
[   16.671077]  [<ffffffffb72a1d7b>] bus_probe_device+0x55/0xf9
[   16.673142]  [<ffffffffb729f348>] device_add+0x5a4/0x730
[   16.675130]  [<ffffffffb729f4e9>] device_register+0x15/0x18
[   16.677173]  [<ffffffffb73a47e5>] sdebug_add_adapter+0x179/0x231
[   16.679314]  [<ffffffffb8449902>] scsi_debug_init+0x78a/0x820
[   16.681404]  [<ffffffffb84072a2>] do_one_initcall+0x98/0x124
[   16.685969]  [<ffffffffb84074b3>] kernel_init_freeable+0x185/0x220
[   16.688164]  [<ffffffffb7be0660>] kernel_init+0xc/0x108
[   16.690137]  [<ffffffffb7be73ef>] ret_from_fork+0x1f/0x40
[   16.692149] ==================================================================
[   16.697206] Disabling lock debugging due to kernel taint
[   16.699412] ==================================================================
[   16.702312] BUG: Double free or freeing an invalid pointer
[   16.704236] Unexpected shadow byte: 0xFB
[   16.705809] CPU: 0 PID: 6 Comm: kworker/u2:0 Tainted: G    B           4.8.0-rc4-00003-gbea5b15 #1
[   16.711927] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.3-20161025_171302-gandalf 04/01/2014
[   16.715932] Workqueue: events_unbound async_run_entry_fn
[   16.718375]  0000000000000000 ffff8800191a79f8 ffffffffb70814cb ffff8800191a7a20
[   16.722505]  ffffffffb6dd2ca5 00000000fffffffb ffff880019001c80 ffff8800190a46c0
[   16.726502]  ffff8800191a7a50 ffffffffb6dd2d86 0000000000000296 ffff880019001c80
[   16.729274] Call Trace:
[   16.730398]  [<ffffffffb70814cb>] dump_stack+0x19/0x1b
[   16.731827]  [<ffffffffb6dd2ca5>] kasan_object_err+0x1c/0x73
[   16.733596]  [<ffffffffb6dd2d86>] kasan_report_double_free+0x45/0x56
[   16.735298]  [<ffffffffb6dd243f>] kasan_slab_free+0x38/0x8f
[   16.737000]  [<ffffffffb6dcdf31>] slab_free_freelist_hook+0x88/0xa0
[   16.738666]  [<ffffffffb6dd0ea1>] kfree+0x64/0xef
[   16.740695]  [<ffffffffb6d9fc41>] ? kfree_const+0x1b/0x1d
[   16.742947]  [<ffffffffb6d9fc41>] kfree_const+0x1b/0x1d
[   16.744908]  [<ffffffffb7083c7b>] kobject_set_name_vargs+0x9f/0xb5
[   16.747089]  [<ffffffffb7084826>] kobject_add+0x80/0xbc
[   16.749029]  [<ffffffffb708526e>] ? kobject_uevent_env+0xaa/0x671
[   16.751189]  [<ffffffffb706dd06>] blk_mq_register_hctx+0xdf/0xf4
[   16.753289]  [<ffffffffb706e005>] blk_mq_register_disk+0xe2/0x123
[   16.755359]  [<ffffffffb705ffdc>] blk_register_queue+0xd8/0x12a
[   16.757379]  [<ffffffffb707142b>] device_add_disk+0x4cc/0x677
[   16.759366]  [<ffffffffb7390019>] sd_probe_async+0x226/0x2fa
[   16.761330]  [<ffffffffb738fdf3>] ? sd_revalidate_disk+0x16b3/0x16b3
[   16.763447]  [<ffffffffb6cf7ed7>] async_run_entry_fn+0x74/0x18e
[   16.765512]  [<ffffffffb6ced4a1>] process_one_work+0x2c0/0x4c8
[   16.767905]  [<ffffffffb6ced41e>] ? process_one_work+0x23d/0x4c8
[   16.770411]  [<ffffffffb6ced9b9>] worker_thread+0x2d2/0x408
[   16.772781]  [<ffffffffb6ced6e7>] ? process_scheduled_works+0x3e/0x3e
[   16.775395]  [<ffffffffb6cf4b4e>] kthread+0x105/0x114
[   16.777624]  [<ffffffffb7be6b11>] ? _raw_spin_unlock_irq+0x27/0x3e
[   16.780154]  [<ffffffffb7be73ef>] ret_from_fork+0x1f/0x40
[   16.782452]  [<ffffffffb6cf4a49>] ? init_completion+0x2d/0x2d
[   16.784578] Object at ffff8800190a46c0, in cache kmalloc-8 size: 8
[   16.786795] Allocated:
[   16.788095] PID = 6
[   16.789325]  [<ffffffffb6c2a019>] save_stack_trace+0x25/0x40
[   16.791540]  [<ffffffffb6dd1e9b>] save_stack+0x46/0xce
[   16.793848]  [<ffffffffb6dd252f>] kasan_kmalloc+0x99/0xa8
[   16.796289]  [<ffffffffb6dd2550>] kasan_slab_alloc+0x12/0x14
[   16.798810]  [<ffffffffb6dcd60a>] slab_post_alloc_hook+0x38/0x45
[   16.801393]  [<ffffffffb6dd1cd8>] __kmalloc_track_caller+0xe4/0xf2
[   16.804070]  [<ffffffffb709469a>] kvasprintf+0x54/0xa9

git bisect start v4.9 v4.8 --
git bisect  bad 9fe68cad6e74967b88d0c6aeca7d9cd6b6e91942  # 10:11      0-      3  Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
git bisect  bad 5fa0eb0b4d4780fbd6d8a09850cc4fd539e9fe65  # 10:22      0-      1  Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
git bisect  bad d8ea757b25ec82687c497fc90aa83f9bcea24b5b  # 10:52      0-     10  Merge tag 'xtensa-20161005' of git://github.com/jcmvbkbc/linux-xtensa
git bisect  bad e6445f52d9c8b0e6557a45fa7d0e8e088d430a8c  # 11:15      0-      9  Merge tag 'usb-4.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
git bisect good 1a4a2bc460721bc8f91e4c1294d39b38e5af132f  # 11:26     22+      0  Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
git bisect good 49deffe0b0e4c2030696c7a6fd680bacf4761069  # 12:01     20+      3  Merge tag 'arc-4.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
git bisect good 597f03f9d133e9837d00965016170271d4f87dcf  # 12:25     21+      0  Merge branch 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
git bisect  bad 9929780e86854833e649b39b290b5fe921eb1701  # 13:08      0-     13  Merge tag 'driver-core-4.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
git bisect good 7a53eea1f7b527fd3b6d7ca992914840981afe99  # 14:13     20+      0  Merge tag 'char-misc-4.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
git bisect  bad 775115c06091fcfa1189a50aca488fa596839617  # 14:26      0-     22  drivers/base dmam_declare_coherent_memory leaks
git bisect  bad 426bc8e789f8ac84270b196191904d347586032f  # 14:37      0-      3  base: soc: make it explicitly non-modular
git bisect  bad bea5b158ff0da9c7246ff391f754f5f38e34577a  # 14:47      0-     10  driver core: add test of driver remove calls during probe
git bisect good cebf8fd16900fdfd58c0028617944f808f97fe50  # 15:00     20+      3  driver core: fix race between creating/querying glue dir and its cleanup
# first bad commit: [bea5b158ff0da9c7246ff391f754f5f38e34577a] driver core: add test of driver remove calls during probe
git bisect good cebf8fd16900fdfd58c0028617944f808f97fe50  # 15:06     67+     12  driver core: fix race between creating/querying glue dir and its cleanup
# extra tests with CONFIG_DEBUG_INFO_REDUCED
git bisect  bad bea5b158ff0da9c7246ff391f754f5f38e34577a  # 15:16      0-      1  driver core: add test of driver remove calls during probe
# extra tests on HEAD of linux-devel/devel-hourly-2016122400
git bisect  bad 8eb25c4694b925e2998ed795d6ea365439adab6c  # 15:16      0-     13  0day head guard for 'devel-hourly-2016122400'
# extra tests on tree/branch linus/master
git bisect  bad 6ac3bb167fed0b3d02b4fd3daa0d819841d5f6f4  # 15:25      0-      1  Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
# extra tests on tree/branch linus/master
git bisect  bad 6ac3bb167fed0b3d02b4fd3daa0d819841d5f6f4  # 15:25      0-      1  Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
# extra tests on tree/branch linux-next/master
git bisect  bad 968481a1ffee88cafc836feb83fb23d1738e8238  # 15:34      0-      5  Add linux-next specific files for 20161223


---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/lkp                          Intel Corporation

Download attachment "dmesg-quantal-kbuild-58:20161224144734:x86_64-randconfig-h0-12240732:4.8.0-rc4-00003-gbea5b15:1.gz" of type "application/gzip" (26566 bytes)

Download attachment "dmesg-quantal-intel12-12:20161224150622:x86_64-randconfig-h0-12240732:4.8.0-rc4-00002-gcebf8fd:2.gz" of type "application/gzip" (23065 bytes)

View attachment "config-4.8.0-rc4-00003-gbea5b15" of type "text/plain" (114118 bytes)

Powered by blists - more mailing lists