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workqueue: cannot queue rtl_ips_nic_off_wq_callback on wq rtl92c_usb
WARNING: CPU: 0 PID: 10599 at kernel/workqueue.c:2255 __queue_work+0xd03/0x1160 kernel/workqueue.c:2254
Modules linked in:
CPU: 0 UID: 0 PID: 10599 Comm: kworker/0:6 Not tainted syzkaller #0 PREEMPT(voluntary)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Workqueue: usb_hub_wq hub_event
RIP: 0010:__queue_work+0xd03/0x1160 kernel/workqueue.c:2254
Code: 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 4b 04 00 00 48 8b 75 18 4c 89 fa 48 c7 c7 a0 56 67 87 e8 ee 45 f7 ff 90 <0f> 0b 90 90 e9 2f f7 ff ff e8 1f 86 34 00 90 0f 0b 90 e9 b4 f5 ff
RSP: 0018:ffffc90000007be8 EFLAGS: 00010082
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8140b9a8
RDX: ffff888111c80000 RSI: ffffffff8140b9b5 RDI: 0000000000000001
RBP: ffff8881276a3788 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 00000000007b5100 R12: 1ffff92000000f8f
R13: 0000000000000100 R14: ffffffff81498380 R15: ffff88813c1c1d78
FS: 0000000000000000(0000) GS:ffff888268ef9000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe06fe9f20 CR3: 00000001321d2000 CR4: 00000000003506f0
Call Trace:
call_timer_fn+0x197/0x620 kernel/time/timer.c:1747
expire_timers kernel/time/timer.c:1793 [inline]
__run_timers+0x569/0x960 kernel/time/timer.c:2372
__run_timer_base kernel/time/timer.c:2384 [inline]
__run_timer_base kernel/time/timer.c:2376 [inline]
run_timer_base+0x114/0x190 kernel/time/timer.c:2393
run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2403
handle_softirqs+0x208/0x8d0 kernel/softirq.c:579
__do_softirq kernel/softirq.c:613 [inline]
invoke_softirq kernel/softirq.c:453 [inline]
__irq_exit_rcu+0xfa/0x160 kernel/softirq.c:680
irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1050
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:rcu_is_watching+0x80/0xc0 kernel/rcu/tree.c:752
Code: 89 da 48 c1 ea 03 0f b6 14 02 48 89 d8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 24 8b 03 c1 e8 02 83 e0 01 65 ff 0d 40 0f 2f 0b <74> 07 5b 5d c3 cc cc cc cc 0f 1f 44 00 00 5b 5d e9 db fd dc 05 48
RSP: 0018:ffffc900143b7278 EFLAGS: 00000286
RAX: 0000000000000001 RBX: ffff8881f5833028 RCX: 0000000000000002
RDX: 0000000000000000 RSI: ffffffff87896360 RDI: ffffffff88dd4be0
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000027670 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
trace_lock_acquire include/trace/events/lock.h:24 [inline]
lock_acquire+0x2cd/0x350 kernel/locking/lockdep.c:5831
rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
rcu_read_lock include/linux/rcupdate.h:841 [inline]
class_rcu_constructor include/linux/rcupdate.h:1155 [inline]
unwind_next_frame+0xd1/0x20a0 arch/x86/kernel/unwind_orc.c:479
arch_stack_walk+0x94/0x100 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
save_stack+0x160/0x1f0 mm/page_owner.c:156
__reset_page_owner+0x84/0x1a0 mm/page_owner.c:308
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1395 [inline]
__free_pages_ok+0x6e8/0xe50 mm/page_alloc.c:1571
device_release+0xa4/0x240 drivers/base/core.c:2565
kobject_cleanup lib/kobject.c:689 [inline]
kobject_release lib/kobject.c:720 [inline]
kref_put include/linux/kref.h:65 [inline]
kobject_put+0x1e7/0x5a0 lib/kobject.c:737
put_device+0x1f/0x30 drivers/base/core.c:3797
rtl_usb_disconnect+0x2b3/0x3a0 drivers/net/wireless/realtek/rtlwifi/usb.c:1077
usb_unbind_interface+0x1dd/0x9e0 drivers/usb/core/driver.c:458
device_remove drivers/base/dd.c:571 [inline]
device_remove+0x122/0x170 drivers/base/dd.c:563
__device_release_driver drivers/base/dd.c:1274 [inline]
device_release_driver_internal+0x44b/0x620 drivers/base/dd.c:1297
bus_remove_device+0x22f/0x420 drivers/base/bus.c:579
device_del+0x396/0x9f0 drivers/base/core.c:3878
usb_disable_device+0x355/0x7d0 drivers/usb/core/message.c:1418
usb_disconnect+0x2e1/0x9c0 drivers/usb/core/hub.c:2344
hub_port_connect drivers/usb/core/hub.c:5406 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5706 [inline]
port_event drivers/usb/core/hub.c:5870 [inline]
hub_event+0x1aa2/0x5060 drivers/usb/core/hub.c:5952
process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3236
process_scheduled_works kernel/workqueue.c:3319 [inline]
worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400
kthread+0x3c5/0x780 kernel/kthread.c:463
ret_from_fork+0x5b6/0x6c0 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
----------------
Code disassembly (best guess):
0: 89 da mov %ebx,%edx
2: 48 c1 ea 03 shr $0x3,%rdx
6: 0f b6 14 02 movzbl (%rdx,%rax,1),%edx
a: 48 89 d8 mov %rbx,%rax
d: 83 e0 07 and $0x7,%eax
10: 83 c0 03 add $0x3,%eax
13: 38 d0 cmp %dl,%al
15: 7c 04 jl 0x1b
17: 84 d2 test %dl,%dl
19: 75 24 jne 0x3f
1b: 8b 03 mov (%rbx),%eax
1d: c1 e8 02 shr $0x2,%eax
20: 83 e0 01 and $0x1,%eax
23: 65 ff 0d 40 0f 2f 0b decl %gs:0xb2f0f40(%rip) # 0xb2f0f6a
* 2a: 74 07 je 0x33 <-- trapping instruction
2c: 5b pop %rbx
2d: 5d pop %rbp
2e: c3 ret
2f: cc int3
30: cc int3
31: cc int3
32: cc int3
33: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
38: 5b pop %rbx
39: 5d pop %rbp
3a: e9 db fd dc 05 jmp 0x5dcfe1a
3f: 48 rex.W