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WARNING: held lock freed in spi_unregister_controller

Status: fixed on 2022/03/08 16:11
Subsystems: spi usb
[Documentation on labels]
Reported-by: syzbot+5fcfdc26bc84536f79bd@syzkaller.appspotmail.com
Fix commit: 6c53b45c71b4 spi: fix use-after-free of the add_lock mutex
First crash: 1168d, last: 1123d
Cause bisection: the cause commit could be any of (bisect log):
  0ee50b47532a namei: change filename_parentat() calling conventions
  584d3226d665 namei: make do_mkdirat() take struct filename
   
▶ ▼ Discussions (1)
Title Replies (including bot) Last reply
[syzbot] WARNING: held lock freed in spi_unregister_controller 0 (1) 2021/10/19 12:19
▶ ▼ Last patch testing requests (2)
Created Duration User Patch Repo Result
2021/12/16 01:19 16m mudongliangabcd@gmail.com upstream OK
2021/12/03 15:40 9m phind.uet@gmail.com linux-next error

Sample crash report:
usb 1-1: USB disconnect, device number 2
=========================
WARNING: held lock freed!
5.15.0-rc6-syzkaller #0 Not tainted
-------------------------
kworker/0:3/1275 is freeing memory ffff888078f7c000-ffff888078f7cfff, with a lock still held there!
ffff888078f7c668 (&ctlr->add_lock){+.+.}-{3:3}, at: spi_unregister_controller+0x57/0x3b0 drivers/spi/spi.c:2964
8 locks held by kworker/0:3/1275:
 #0: ffff888141583d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff888141583d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff888141583d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline]
 #0: ffff888141583d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:634 [inline]
 #0: ffff888141583d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:661 [inline]
 #0: ffff888141583d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x8a3/0x16b0 kernel/workqueue.c:2268
 #1: ffffc90004df7db0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8d7/0x16b0 kernel/workqueue.c:2272
 #2: ffff88801e713220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
 #2: ffff88801e713220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4330 drivers/usb/core/hub.c:5662
 #3: ffff88823bd68a20 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
 #3: ffff88823bd68a20 (&dev->mutex){....}-{3:3}, at: usb_disconnect.cold+0x43/0x78e drivers/usb/core/hub.c:2216
 #4: ffff8881401f71a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
 #4: ffff8881401f71a8 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1032 [inline]
 #4: ffff8881401f71a8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal drivers/base/dd.c:1233 [inline]
 #4: ffff8881401f71a8 (&dev->mutex){....}-{3:3}, at: device_release_driver+0x1c/0x40 drivers/base/dd.c:1259
 #5: ffff888078f7ad38 (&dev->vb_queue_lock){+.+.}-{3:3}, at: msi2500_disconnect+0x5d/0x160 drivers/media/usb/msi2500/msi2500.c:571
 #6: ffff888078f7aca8 (&dev->v4l2_lock){+.+.}-{3:3}, at: msi2500_disconnect+0x67/0x160 drivers/media/usb/msi2500/msi2500.c:572
 #7: ffff888078f7c668 (&ctlr->add_lock){+.+.}-{3:3}, at: spi_unregister_controller+0x57/0x3b0 drivers/spi/spi.c:2964

stack backtrace:
CPU: 0 PID: 1275 Comm: kworker/0:3 Not tainted 5.15.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
Call Trace:
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 print_freed_lock_bug kernel/locking/lockdep.c:6376 [inline]
 debug_check_no_locks_freed.cold+0x9d/0xa9 kernel/locking/lockdep.c:6409
 slab_free_hook mm/slub.c:1672 [inline]
 slab_free_freelist_hook+0x73/0x1c0 mm/slub.c:1726
 slab_free mm/slub.c:3492 [inline]
 kfree+0xf3/0x550 mm/slub.c:4552
 device_release+0x9f/0x240 drivers/base/core.c:2232
 kobject_cleanup lib/kobject.c:705 [inline]
 kobject_release lib/kobject.c:736 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x1c8/0x540 lib/kobject.c:753
 put_device+0x1b/0x30 drivers/base/core.c:3503
 spi_unregister_controller+0x2a8/0x3b0 drivers/spi/spi.c:2986
 msi2500_disconnect+0xd2/0x160 drivers/media/usb/msi2500/msi2500.c:577
 usb_unbind_interface+0x1d8/0x8d0 drivers/usb/core/driver.c:458
 __device_release_driver+0x5d7/0x700 drivers/base/dd.c:1205
 device_release_driver_internal drivers/base/dd.c:1236 [inline]
 device_release_driver+0x26/0x40 drivers/base/dd.c:1259
 bus_remove_device+0x2eb/0x5a0 drivers/base/bus.c:529
 device_del+0x502/0xd60 drivers/base/core.c:3583
 usb_disable_device+0x35b/0x7b0 drivers/usb/core/message.c:1419
 usb_disconnect.cold+0x27a/0x78e drivers/usb/core/hub.c:2225
 hub_port_connect drivers/usb/core/hub.c:5199 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5488 [inline]
 port_event drivers/usb/core/hub.c:5634 [inline]
 hub_event+0x1c9c/0x4330 drivers/usb/core/hub.c:5716
 process_one_work+0x9bf/0x16b0 kernel/workqueue.c:2297
 worker_thread+0x658/0x11f0 kernel/workqueue.c:2444
 kthread+0x3e5/0x4d0 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
==================================================================
BUG: KASAN: use-after-free in instrument_atomic_read include/linux/instrumented.h:71 [inline]
BUG: KASAN: use-after-free in atomic_long_read include/linux/atomic/atomic-instrumented.h:1183 [inline]
BUG: KASAN: use-after-free in __mutex_unlock_slowpath+0xa6/0x5e0 kernel/locking/mutex.c:860
Read of size 8 at addr ffff888078f7c600 by task kworker/0:3/1275

CPU: 0 PID: 1275 Comm: kworker/0:3 Not tainted 5.15.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
Call Trace:
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 print_address_description.constprop.0.cold+0x6c/0x309 mm/kasan/report.c:256
 __kasan_report mm/kasan/report.c:442 [inline]
 kasan_report.cold+0x83/0xdf mm/kasan/report.c:459
 check_region_inline mm/kasan/generic.c:183 [inline]
 kasan_check_range+0x13d/0x180 mm/kasan/generic.c:189
 instrument_atomic_read include/linux/instrumented.h:71 [inline]
 atomic_long_read include/linux/atomic/atomic-instrumented.h:1183 [inline]
 __mutex_unlock_slowpath+0xa6/0x5e0 kernel/locking/mutex.c:860
 msi2500_disconnect+0xd2/0x160 drivers/media/usb/msi2500/msi2500.c:577
 usb_unbind_interface+0x1d8/0x8d0 drivers/usb/core/driver.c:458
 __device_release_driver+0x5d7/0x700 drivers/base/dd.c:1205
 device_release_driver_internal drivers/base/dd.c:1236 [inline]
 device_release_driver+0x26/0x40 drivers/base/dd.c:1259
 bus_remove_device+0x2eb/0x5a0 drivers/base/bus.c:529
 device_del+0x502/0xd60 drivers/base/core.c:3583
 usb_disable_device+0x35b/0x7b0 drivers/usb/core/message.c:1419
 usb_disconnect.cold+0x27a/0x78e drivers/usb/core/hub.c:2225
 hub_port_connect drivers/usb/core/hub.c:5199 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5488 [inline]
 port_event drivers/usb/core/hub.c:5634 [inline]
 hub_event+0x1c9c/0x4330 drivers/usb/core/hub.c:5716
 process_one_work+0x9bf/0x16b0 kernel/workqueue.c:2297
 worker_thread+0x658/0x11f0 kernel/workqueue.c:2444
 kthread+0x3e5/0x4d0 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

Allocated by task 69:
 kasan_save_stack+0x1b/0x40 mm/kasan/common.c:38
 kasan_set_track mm/kasan/common.c:46 [inline]
 set_alloc_info mm/kasan/common.c:434 [inline]
 ____kasan_kmalloc mm/kasan/common.c:513 [inline]
 ____kasan_kmalloc mm/kasan/common.c:472 [inline]
 __kasan_kmalloc+0xa4/0xd0 mm/kasan/common.c:522
 kmalloc include/linux/slab.h:596 [inline]
 kzalloc include/linux/slab.h:721 [inline]
 __spi_alloc_controller+0x35/0x310 drivers/spi/spi.c:2545
 spi_alloc_master include/linux/spi/spi.h:730 [inline]
 msi2500_probe+0x685/0xbe0 drivers/media/usb/msi2500/msi2500.c:1223
 usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:517 [inline]
 really_probe+0x245/0xcc0 drivers/base/dd.c:596
 __driver_probe_device+0x338/0x4d0 drivers/base/dd.c:751
 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:781
 __device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:898
 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
 __device_attach+0x228/0x4a0 drivers/base/dd.c:969
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
 device_add+0xc17/0x1ee0 drivers/base/core.c:3396
 usb_set_configuration+0x113f/0x1910 drivers/usb/core/message.c:2170
 usb_generic_driver_probe+0xba/0x100 drivers/usb/core/generic.c:238
 usb_probe_device+0xd9/0x2c0 drivers/usb/core/driver.c:293
 call_driver_probe drivers/base/dd.c:517 [inline]
 really_probe+0x245/0xcc0 drivers/base/dd.c:596
 __driver_probe_device+0x338/0x4d0 drivers/base/dd.c:751
 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:781
 __device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:898
 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
 __device_attach+0x228/0x4a0 drivers/base/dd.c:969
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
 device_add+0xc17/0x1ee0 drivers/base/core.c:3396
 usb_new_device.cold+0x63f/0x108e drivers/usb/core/hub.c:2563
 hub_port_connect drivers/usb/core/hub.c:5348 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5488 [inline]
 port_event drivers/usb/core/hub.c:5634 [inline]
 hub_event+0x2357/0x4330 drivers/usb/core/hub.c:5716
 process_one_work+0x9bf/0x16b0 kernel/workqueue.c:2297
 worker_thread+0x658/0x11f0 kernel/workqueue.c:2444
 kthread+0x3e5/0x4d0 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

Freed by task 1275:
 kasan_save_stack+0x1b/0x40 mm/kasan/common.c:38
 kasan_set_track+0x1c/0x30 mm/kasan/common.c:46
 kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:360
 ____kasan_slab_free mm/kasan/common.c:366 [inline]
 ____kasan_slab_free mm/kasan/common.c:328 [inline]
 __kasan_slab_free+0xff/0x130 mm/kasan/common.c:374
 kasan_slab_free include/linux/kasan.h:230 [inline]
 slab_free_hook mm/slub.c:1700 [inline]
 slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1726
 slab_free mm/slub.c:3492 [inline]
 kfree+0xf3/0x550 mm/slub.c:4552
 device_release+0x9f/0x240 drivers/base/core.c:2232
 kobject_cleanup lib/kobject.c:705 [inline]
 kobject_release lib/kobject.c:736 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x1c8/0x540 lib/kobject.c:753
 put_device+0x1b/0x30 drivers/base/core.c:3503
 spi_unregister_controller+0x2a8/0x3b0 drivers/spi/spi.c:2986
 msi2500_disconnect+0xd2/0x160 drivers/media/usb/msi2500/msi2500.c:577
 usb_unbind_interface+0x1d8/0x8d0 drivers/usb/core/driver.c:458
 __device_release_driver+0x5d7/0x700 drivers/base/dd.c:1205
 device_release_driver_internal drivers/base/dd.c:1236 [inline]
 device_release_driver+0x26/0x40 drivers/base/dd.c:1259
 bus_remove_device+0x2eb/0x5a0 drivers/base/bus.c:529
 device_del+0x502/0xd60 drivers/base/core.c:3583
 usb_disable_device+0x35b/0x7b0 drivers/usb/core/message.c:1419
 usb_disconnect.cold+0x27a/0x78e drivers/usb/core/hub.c:2225
 hub_port_connect drivers/usb/core/hub.c:5199 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5488 [inline]
 port_event drivers/usb/core/hub.c:5634 [inline]
 hub_event+0x1c9c/0x4330 drivers/usb/core/hub.c:5716
 process_one_work+0x9bf/0x16b0 kernel/workqueue.c:2297
 worker_thread+0x658/0x11f0 kernel/workqueue.c:2444
 kthread+0x3e5/0x4d0 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

The buggy address belongs to the object at ffff888078f7c000
 which belongs to the cache kmalloc-4k of size 4096
The buggy address is located 1536 bytes inside of
 4096-byte region [ffff888078f7c000, ffff888078f7d000)
The buggy address belongs to the page:
page:ffffea0001e3de00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x78f78
head:ffffea0001e3de00 order:3 compound_mapcount:0 compound_pincount:0
flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000010200 0000000000000000 dead000000000122 ffff888010c42140
raw: 0000000000000000 0000000000040004 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 69, ts 73591547684, free_ts 72672350436
 prep_new_page mm/page_alloc.c:2424 [inline]
 get_page_from_freelist+0xa72/0x2f80 mm/page_alloc.c:4153
 __alloc_pages+0x1b2/0x500 mm/page_alloc.c:5375
 alloc_pages+0x1a7/0x300 mm/mempolicy.c:2191
 alloc_slab_page mm/slub.c:1770 [inline]
 allocate_slab mm/slub.c:1907 [inline]
 new_slab+0x319/0x490 mm/slub.c:1970
 ___slab_alloc+0x950/0x1050 mm/slub.c:3001
 __slab_alloc.constprop.0+0x4d/0xa0 mm/slub.c:3088
 slab_alloc_node mm/slub.c:3179 [inline]
 slab_alloc mm/slub.c:3221 [inline]
 kmem_cache_alloc_trace+0x302/0x3c0 mm/slub.c:3238
 kmalloc include/linux/slab.h:591 [inline]
 kzalloc include/linux/slab.h:721 [inline]
 kobject_uevent_env+0x240/0x1650 lib/kobject_uevent.c:524
 device_add+0xbb4/0x1ee0 drivers/base/core.c:3377
 usb_set_configuration+0x113f/0x1910 drivers/usb/core/message.c:2170
 usb_generic_driver_probe+0xba/0x100 drivers/usb/core/generic.c:238
 usb_probe_device+0xd9/0x2c0 drivers/usb/core/driver.c:293
 call_driver_probe drivers/base/dd.c:517 [inline]
 really_probe+0x245/0xcc0 drivers/base/dd.c:596
 __driver_probe_device+0x338/0x4d0 drivers/base/dd.c:751
 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:781
 __device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:898
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1338 [inline]
 free_pcp_prepare+0x2c5/0x780 mm/page_alloc.c:1389
 free_unref_page_prepare mm/page_alloc.c:3315 [inline]
 free_unref_page+0x19/0x690 mm/page_alloc.c:3394
 qlink_free mm/kasan/quarantine.c:146 [inline]
 qlist_free_all+0x5a/0xc0 mm/kasan/quarantine.c:165
 kasan_quarantine_reduce+0x180/0x200 mm/kasan/quarantine.c:272
 __kasan_slab_alloc+0x95/0xb0 mm/kasan/common.c:444
 kasan_slab_alloc include/linux/kasan.h:254 [inline]
 slab_post_alloc_hook mm/slab.h:519 [inline]
 slab_alloc_node mm/slub.c:3213 [inline]
 slab_alloc mm/slub.c:3221 [inline]
 kmem_cache_alloc_trace+0x260/0x3c0 mm/slub.c:3238
 kmalloc include/linux/slab.h:591 [inline]
 kzalloc include/linux/slab.h:721 [inline]
 call_usermodehelper_setup+0x97/0x340 kernel/umh.c:365
 kobject_uevent_env+0xf73/0x1650 lib/kobject_uevent.c:614
 netdev_queue_add_kobject net/core/net-sysfs.c:1621 [inline]
 netdev_queue_update_kobjects+0x37a/0x460 net/core/net-sysfs.c:1655
 register_queue_kobjects net/core/net-sysfs.c:1716 [inline]
 netdev_register_kobject+0x35a/0x430 net/core/net-sysfs.c:1959
 register_netdevice+0xd33/0x1500 net/core/dev.c:10299
 register_netdev+0x2d/0x50 net/core/dev.c:10423
 loopback_net_init+0x73/0x160 drivers/net/loopback.c:216
 ops_init+0xaf/0x470 net/core/net_namespace.c:140
 setup_net+0x40f/0xa30 net/core/net_namespace.c:326
 copy_net_ns+0x319/0x760 net/core/net_namespace.c:470

Memory state around the buggy address:
 ffff888078f7c500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888078f7c580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888078f7c600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                   ^
 ffff888078f7c680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888078f7c700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================

Crashes (251):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/10/23 06:10 upstream 64222515138e 282f03fb .config console log report syz C ci-upstream-kasan-gce WARNING: held lock freed in spi_unregister_controller
2021/10/15 20:17 linux-next 7c832d2f9b95 0c5d9412 .config console log report syz C ci-upstream-linux-next-kasan-gce-root WARNING: held lock freed in spi_unregister_controller
2021/11/16 19:45 upstream 8ab774587903 600426bd .config console log report info ci-upstream-kasan-gce WARNING: held lock freed in spi_unregister_controller
2021/11/16 05:46 upstream 8ab774587903 83f5c9b5 .config console log report info ci-upstream-kasan-gce-smack-root WARNING: held lock freed in spi_unregister_controller
2021/11/15 01:04 upstream c8c109546a19 83f5c9b5 .config console log report info ci-upstream-kasan-gce-root WARNING: held lock freed in spi_unregister_controller
2021/11/08 00:13 upstream b5013d084e03 4c1be0be .config console log report info ci-upstream-kasan-gce-selinux-root WARNING: held lock freed in spi_unregister_controller
2021/11/04 23:47 upstream 7ddb58cb0eca 4c1be0be .config console log report info ci-upstream-kasan-gce-386 WARNING: held lock freed in spi_unregister_controller
2021/11/29 01:32 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c4bc515d73b5 63eeac02 .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/28 22:50 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c4bc515d73b5 63eeac02 .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/28 21:16 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c4bc515d73b5 63eeac02 .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/28 10:23 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c4bc515d73b5 63eeac02 .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/28 07:51 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c4bc515d73b5 63eeac02 .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/28 04:23 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c4bc515d73b5 63eeac02 .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/28 03:00 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c4bc515d73b5 63eeac02 .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/27 20:29 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c4bc515d73b5 63eeac02 .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/27 12:10 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c4bc515d73b5 63eeac02 .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/27 09:45 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c4bc515d73b5 63eeac02 .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/27 02:29 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c4bc515d73b5 63eeac02 .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/27 00:38 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c4bc515d73b5 63eeac02 .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/26 21:24 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c4bc515d73b5 63eeac02 .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/26 18:40 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c4bc515d73b5 63eeac02 .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/26 15:06 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c4bc515d73b5 63eeac02 .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/26 12:41 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c4bc515d73b5 63eeac02 .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/26 11:08 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c4bc515d73b5 63eeac02 .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/26 09:26 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c4bc515d73b5 63eeac02 .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/26 07:03 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c4bc515d73b5 63eeac02 .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/26 05:28 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c4bc515d73b5 63eeac02 .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/25 16:38 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c4bc515d73b5 545ab074 .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/25 15:32 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c4bc515d73b5 545ab074 .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/25 11:27 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c4bc515d73b5 545ab074 .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/25 07:56 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c4bc515d73b5 545ab074 .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/25 04:11 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c4bc515d73b5 545ab074 .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/25 02:15 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c4bc515d73b5 545ab074 .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/24 20:10 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c4bc515d73b5 545ab074 .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/24 18:51 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c4bc515d73b5 545ab074 .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/24 17:44 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c4bc515d73b5 545ab074 .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/24 07:32 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c4bc515d73b5 545ab074 .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/23 22:41 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c4bc515d73b5 545ab074 .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/23 20:16 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c4bc515d73b5 545ab074 .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/23 11:49 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 4616dddcfaf7 545ab074 .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/23 09:09 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 4616dddcfaf7 545ab074 .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/23 02:20 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 4616dddcfaf7 545ab074 .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/23 01:16 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 4616dddcfaf7 545ab074 .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/22 20:12 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 4616dddcfaf7 545ab074 .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/22 18:41 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 4616dddcfaf7 545ab074 .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/22 12:23 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 4616dddcfaf7 4eb20a4e .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/22 11:15 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 4616dddcfaf7 4eb20a4e .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/22 10:14 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 4616dddcfaf7 4eb20a4e .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/22 07:36 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 4616dddcfaf7 4eb20a4e .config console log report info ci2-upstream-usb WARNING: held lock freed in spi_unregister_controller
2021/11/13 19:28 linux-next f2e19fd15bd7 83f5c9b5 .config console log report info ci-upstream-linux-next-kasan-gce-root WARNING: held lock freed in spi_unregister_controller
2021/10/15 12:17 linux-next 7c832d2f9b95 0c5d9412 .config console log report info ci-upstream-linux-next-kasan-gce-root WARNING: held lock freed in spi_unregister_controller
* Struck through repros no longer work on HEAD.