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INFO: rcu detected stall in hub_event (2)

Status: upstream: reported C repro on 2025/08/21 02:14
Subsystems: usb
[Documentation on labels]
Reported-by: syzbot+039eab266c6321a174bd@syzkaller.appspotmail.com
First crash: 266d, last: 5h06m
Cause bisection: failed (error log, bisect log)
  
▶ ▼ Discussions (2)
Title Replies (including bot) Last reply
[syzbot] Monthly kernfs report (Oct 2025) 0 (1) 2025/10/24 18:48
[syzbot] [mm?] INFO: rcu detected stall in hub_event (2) 0 (3) 2025/09/17 17:52
▶ ▼ Similar bugs (6)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 INFO: rcu detected stall in hub_event 1 2 446d 532d 0/3 auto-obsoleted due to no activity on 2025/02/15 14:48
upstream INFO: rcu detected stall in hub_event usb 1 C done 1233 266d 2259d 28/29 fixed on 2025/05/06 15:33
linux-6.1 INFO: rcu detected stall in hub_event origin:lts-only 1 C inconclusive 6 251d 899d 0/3 upstream: reported C repro on 2023/08/12 16:34
android-5-15 BUG: soft lockup in hub_event 1 12 580d 651d 0/2 auto-obsoleted due to no activity on 2024/09/23 11:46
android-54 BUG: soft lockup in hub_event 1 C 1 870d 870d 0/2 auto-obsoleted due to no activity on 2024/02/11 21:05
android-6-1 BUG: soft lockup in hub_event 1 1 959d 959d 0/2 auto-obsoleted due to no activity on 2023/09/12 05:32
▶ ▼ Last patch testing requests (3)
Created Duration User Patch Repo Result
2025/10/14 21:09 22m retest repro upstream OK log
2025/10/14 21:09 24m retest repro upstream OK log
2025/10/14 21:09 22m retest repro upstream report log

Sample crash report:
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1):
 P6063/1:b..l
rcu: 	(detected by 0, t=10502 jiffies, g=10189, q=33606 ncpus=2)
task:kworker/1:4     state:R  running task    
 stack:24440 pid:6063  tgid:6063  ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: usb_hub_wq hub_event
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5256 [inline]
 __schedule+0x1139/0x6150 kernel/sched/core.c:6863
 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7190
 irqentry_exit+0x1d8/0x8c0 kernel/entry/common.c:216
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:on_stack arch/x86/include/asm/stacktrace.h:60 [inline]
RIP: 0010:stack_access_ok+0x7e/0x200 arch/x86/kernel/unwind_orc.c:409
Code: 85 52 01 00 00 48 89 da 48 8b 4b 10 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 0b 01 00 00 <8b> 13 85 d2 74 23 49 39 ef 77 1e 48 39 e9 76 19 4a 8d 54 25 00 49
RSP: 0018:ffffc900036264f8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffc900036265a8 RCX: ffffc90003628000
RDX: 1ffff920006c4cb5 RSI: ffffc90003626c58 RDI: ffffc900036265a8
RBP: ffffc90003626c58 R08: 0000000000000001 R09: 00000000a04cb4cb
R10: 0000000000000002 R11: 0000000000016b97 R12: 0000000000000008
R13: ffffc900036265b8 R14: ffffc900036265b0 R15: ffffc90003620000
 deref_stack_reg arch/x86/kernel/unwind_orc.c:419 [inline]
 unwind_next_frame+0x1509/0x20b0 arch/x86/kernel/unwind_orc.c:663
 arch_stack_walk+0x94/0x100 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
 kasan_save_stack+0x33/0x60 mm/kasan/common.c:57
 kasan_save_track+0x14/0x30 mm/kasan/common.c:78
 poison_kmalloc_redzone mm/kasan/common.c:398 [inline]
 __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:415
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __do_kmalloc_node mm/slub.c:5657 [inline]
 __kmalloc_node_track_caller_noprof+0x353/0x930 mm/slub.c:5764
 __kmemdup_nul mm/util.c:64 [inline]
 kstrdup+0x53/0x100 mm/util.c:84
 kstrdup_const+0x63/0x80 mm/util.c:104
 __kernfs_new_node+0x9b/0x9b0 fs/kernfs/dir.c:633
 kernfs_new_node+0x13c/0x1e0 fs/kernfs/dir.c:718
 kernfs_create_dir_ns+0x4c/0x1a0 fs/kernfs/dir.c:1088
 sysfs_create_dir_ns+0x13a/0x2b0 fs/sysfs/dir.c:59
 create_dir lib/kobject.c:73 [inline]
 kobject_add_internal+0x2c4/0x9d0 lib/kobject.c:240
 kobject_add_varg lib/kobject.c:374 [inline]
 kobject_add+0x16e/0x240 lib/kobject.c:426
 device_add+0x288/0x1980 drivers/base/core.c:3627
 cdev_device_add+0x12b/0x270 fs/char_dev.c:556
 evdev_connect+0x3a4/0x4c0 drivers/input/evdev.c:1383
 input_attach_handler.isra.0+0x176/0x250 drivers/input/input.c:994
 input_register_device+0xab9/0x11b0 drivers/input/input.c:2378
 usb_probe+0x10b2/0x17c0 drivers/input/misc/yealink.c:928
 usb_probe_interface+0x303/0xa80 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:581 [inline]
 really_probe+0x241/0xb20 drivers/base/dd.c:659
 __driver_probe_device+0x1de/0x470 drivers/base/dd.c:801
 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:831
 __device_attach_driver+0x1df/0x350 drivers/base/dd.c:959
 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500
 __device_attach+0x1e4/0x4e0 drivers/base/dd.c:1031
 device_initial_probe+0xaa/0xc0 drivers/base/dd.c:1086
 bus_probe_device+0x64/0x150 drivers/base/bus.c:574
 device_add+0x116e/0x1980 drivers/base/core.c:3689
 usb_set_configuration+0x1187/0x1e50 drivers/usb/core/message.c:2210
 usb_generic_driver_probe+0xb1/0x110 drivers/usb/core/generic.c:250
 usb_probe_device+0xef/0x400 drivers/usb/core/driver.c:291
 call_driver_probe drivers/base/dd.c:581 [inline]
 really_probe+0x241/0xb20 drivers/base/dd.c:659
 __driver_probe_device+0x1de/0x470 drivers/base/dd.c:801
 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:831
 __device_attach_driver+0x1df/0x350 drivers/base/dd.c:959
 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500
 __device_attach+0x1e4/0x4e0 drivers/base/dd.c:1031
 device_initial_probe+0xaa/0xc0 drivers/base/dd.c:1086
 bus_probe_device+0x64/0x150 drivers/base/bus.c:574
 device_add+0x116e/0x1980 drivers/base/core.c:3689
 usb_new_device+0xd07/0x1a90 drivers/usb/core/hub.c:2695
 hub_port_connect drivers/usb/core/hub.c:5567 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
 port_event drivers/usb/core/hub.c:5871 [inline]
 hub_event+0x313a/0x52f0 drivers/usb/core/hub.c:5953
 process_one_work+0x9ba/0x1b20 kernel/workqueue.c:3257
 process_scheduled_works kernel/workqueue.c:3340 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3421
 kthread+0x3c5/0x780 kernel/kthread.c:463
 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 2737 jiffies! g10189 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=0 timer-softirq=28400
rcu: rcu_preempt kthread starved for 2738 jiffies! g10189 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:I
 stack:28440 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5256 [inline]
 __schedule+0x1139/0x6150 kernel/sched/core.c:6863
 __schedule_loop kernel/sched/core.c:6945 [inline]
 schedule+0xe7/0x3a0 kernel/sched/core.c:6960
 schedule_timeout+0x123/0x290 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x1ea/0xaf0 kernel/rcu/tree.c:2083
 rcu_gp_kthread+0x26d/0x380 kernel/rcu/tree.c:2285
 kthread+0x3c5/0x780 kernel/kthread.c:463
 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:82
Code: 96 5f 02 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 13 09 12 00 fb f4 <e9> cc 35 03 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
RSP: 0018:ffffffff8e007df8 EFLAGS: 000002c6

RAX: 00000000001d96b5 RBX: 0000000000000000 RCX: ffffffff8b7856d9
RDX: 0000000000000000 RSI: ffffffff8daceab2 RDI: ffffffff8bf2b400
RBP: fffffbfff1c12f68 R08: 0000000000000001 R09: ffffed101708673d
R10: ffff8880b84339eb R11: ffffffff8e098670 R12: 0000000000000000
R13: ffffffff8e097b40 R14: ffffffff9088bdd0 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881248f5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055557518c808 CR3: 0000000074d01000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 arch_safe_halt arch/x86/include/asm/paravirt.h:107 [inline]
 default_idle+0x13/0x20 arch/x86/kernel/process.c:767
 default_idle_call+0x6c/0xb0 kernel/sched/idle.c:122
 cpuidle_idle_call kernel/sched/idle.c:191 [inline]
 do_idle+0x38d/0x510 kernel/sched/idle.c:332
 cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:430
 rest_init+0x16b/0x2b0 init/main.c:757
 start_kernel+0x3ef/0x4d0 init/main.c:1206
 x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:310
 x86_64_start_kernel+0x130/0x190 arch/x86/kernel/head64.c:291
 common_startup_64+0x13e/0x148
 </TASK>
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71
yealink 4-1:36.0: unexpected response 0
yealink 4-1:36.0: urb_ctl_callback - urb status -71
yealink 4-1:36.0: urb_irq_callback - urb status -71

Crashes (329):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/01/13 17:34 upstream b71e635feefc d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in hub_event
2025/09/06 03:05 upstream c8ed9b5c02a5 d291dd2d .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in hub_event
2026/01/27 17:36 upstream fcb70a56f4d8 9a514c2f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in hub_event
2025/09/17 17:51 upstream 5aca7966d2a7 e2beed91 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in hub_event
2025/09/07 22:48 upstream 6ab41fca2e80 d291dd2d .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in hub_event
2025/08/17 02:03 upstream 90d970cade8e 1804e95e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in hub_event
2025/08/11 23:28 upstream 8f5ae30d69d7 32a0e5ed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in hub_event
2026/01/23 06:51 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5ac87cd859ec 82c9c083 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in hub_event
2026/01/13 03:09 linux-next f417b7ffcbef d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce INFO: rcu detected stall in hub_event
2026/01/07 01:29 linux-next 6cd6c1203113 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in hub_event
2026/01/28 00:20 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 0a06917432a7 3029c699 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/27 19:59 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 0a06917432a7 9a514c2f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/27 14:46 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 8acc379b664e 9a514c2f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/26 08:41 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 8acc379b664e 55756628 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/26 06:59 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 8acc379b664e 55756628 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/26 01:46 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 8acc379b664e 55756628 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/26 00:33 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 8acc379b664e 55756628 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/25 16:11 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 8acc379b664e 40acda8a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/25 00:55 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 8acc379b664e 40acda8a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/24 21:43 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 8acc379b664e 40acda8a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/24 19:49 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 8acc379b664e 40acda8a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/24 16:34 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 8acc379b664e 40acda8a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/24 07:40 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 72fe00b71067 4f25b9b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/24 06:01 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 72fe00b71067 4f25b9b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/23 22:59 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 72fe00b71067 4f25b9b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/23 20:51 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 72fe00b71067 e2b1b6e6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/23 18:30 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 72fe00b71067 e2b1b6e6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/23 13:23 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5ac87cd859ec e2b1b6e6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/22 15:49 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5ac87cd859ec a16aed1d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/22 09:41 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5ac87cd859ec a16aed1d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/22 06:56 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5ac87cd859ec a16aed1d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/21 14:37 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5ac87cd859ec 6f1aa2f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/21 07:46 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5ac87cd859ec 6f1aa2f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/21 06:10 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5ac87cd859ec 6f1aa2f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/21 00:14 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5ac87cd859ec 06648d9c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/20 21:44 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5ac87cd859ec 06648d9c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/20 19:43 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5ac87cd859ec 06648d9c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/20 18:32 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5ac87cd859ec 06648d9c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/20 12:14 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5ac87cd859ec 06648d9c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/20 04:45 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5ac87cd859ec 572effc1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/19 23:34 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5ac87cd859ec 572effc1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/19 22:02 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5ac87cd859ec 572effc1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/19 17:07 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5ac87cd859ec a9fc5226 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/19 11:15 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5ac87cd859ec a9fc5226 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/19 07:18 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing fa3bb5011f33 20d37d28 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/19 04:16 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing fa3bb5011f33 20d37d28 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/18 18:07 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing fa3bb5011f33 20d37d28 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/18 16:55 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing fa3bb5011f33 20d37d28 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/18 14:09 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing fa3bb5011f33 20d37d28 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/18 11:58 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing fa3bb5011f33 20d37d28 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/17 16:49 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing fa3bb5011f33 20d37d28 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/17 05:48 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing fa3bb5011f33 20d37d28 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/17 03:20 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing fa3bb5011f33 20d37d28 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/16 19:20 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing fa3bb5011f33 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
2026/01/16 17:46 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing fa3bb5011f33 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: soft lockup in hub_event
* Struck through repros no longer work on HEAD.