================================
WARNING: inconsistent lock state
syzkaller #0 Not tainted
--------------------------------
inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage.
swapper/1/0 [HC0[0]:SC1[1]:HE1:SE0] takes:
ffff88807b678710 ((work_completion)(&(&host->detect)->work)){+.?.}-{0:0}, at: __flush_work+0xfa/0x210 kernel/workqueue.c:3090
{SOFTIRQ-ON-W} state was registered at:
  lock_acquire+0x19e/0x400 kernel/locking/lockdep.c:5623
  process_one_work+0x7ba/0xff0 kernel/workqueue.c:2286
  worker_thread+0xad7/0x12a0 kernel/workqueue.c:2457
  kthread+0x42e/0x520 kernel/kthread.c:334
  ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
irq event stamp: 285032
hardirqs last  enabled at (285032): [<ffffffff814e2b9a>] __cancel_work_timer+0x36a/0x560 kernel/workqueue.c:3174
hardirqs last disabled at (285031): [<ffffffff814dfe4b>] try_to_grab_pending+0xfb/0x820 kernel/workqueue.c:1272
softirqs last  enabled at (284930): [<ffffffff814943fb>] __do_softirq kernel/softirq.c:610 [inline]
softirqs last  enabled at (284930): [<ffffffff814943fb>] invoke_softirq kernel/softirq.c:450 [inline]
softirqs last  enabled at (284930): [<ffffffff814943fb>] __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:659
softirqs last disabled at (284961): [<ffffffff814943fb>] __do_softirq kernel/softirq.c:610 [inline]
softirqs last disabled at (284961): [<ffffffff814943fb>] invoke_softirq kernel/softirq.c:450 [inline]
softirqs last disabled at (284961): [<ffffffff814943fb>] __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:659

other info that might help us debug this:
 Possible unsafe locking scenario:

       CPU0
       ----
  lock((work_completion)(&(&host->detect)->work));
  <Interrupt>
    lock((work_completion)(&(&host->detect)->work));

 *** DEADLOCK ***

1 lock held by swapper/1/0:
 #0: ffffc90000dd0bc0 ((&vub300->inactivity_timer)){+.-.}-{0:0}, at: lockdep_copy_map include/linux/lockdep.h:45 [inline]
 #0: ffffc90000dd0bc0 ((&vub300->inactivity_timer)){+.-.}-{0:0}, at: call_timer_fn+0xca/0x540 kernel/time/timer.c:1638

stack backtrace:
CPU: 1 PID: 0 Comm: swapper/1 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <IRQ>
 dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
 valid_state+0x13b/0x1d0 kernel/locking/lockdep.c:3932
 mark_lock_irq+0xa9/0x900 kernel/locking/lockdep.c:4135
 mark_lock+0x208/0x320 kernel/locking/lockdep.c:4591
 mark_usage kernel/locking/lockdep.c:-1 [inline]
 __lock_acquire+0xc63/0x7b50 kernel/locking/lockdep.c:4966
 lock_acquire+0x19e/0x400 kernel/locking/lockdep.c:5623
 __flush_work+0x116/0x210 kernel/workqueue.c:3090
 __cancel_work_timer+0x3f4/0x560 kernel/workqueue.c:3181
 mmc_free_host+0x15/0x30 drivers/mmc/core/host.c:663
 call_timer_fn+0x17b/0x540 kernel/time/timer.c:1648
 expire_timers kernel/time/timer.c:1699 [inline]
 __run_timers+0x56c/0x810 kernel/time/timer.c:1970
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1983
 handle_softirqs+0x336/0x830 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:659
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:default_idle+0xb/0x10 arch/x86/kernel/process.c:730
Code: b7 48 89 df e8 06 75 f4 f7 eb ad e8 4f ab f6 ff 00 00 cc cc 00 00 cc cc 00 00 cc cc 00 00 cc 66 90 0f 00 2d b7 05 5c 00 fb f4 <c3> 0f 1f 40 00 41 57 41 56 53 49 be 00 00 00 00 00 fc ff df 65 48
RSP: 0018:ffffc90000d67d48 EFLAGS: 000002c2
RAX: 57585e5b6d0d4600 RBX: ffff888016e98000 RCX: 57585e5b6d0d4600
RDX: 0000000000000001 RSI: ffffffff8a2b2be0 RDI: ffffffff8a7a4540
RBP: ffffc90000d67e80 R08: ffff8880b913b30b R09: 1ffff11017227661
R10: dffffc0000000000 R11: ffffed1017227662 R12: 1ffff920001acfb4
R13: dffffc0000000000 R14: 1ffff11002dd3000 R15: 0000000000000000
 default_idle_call+0x81/0xc0 kernel/sched/idle.c:112
 cpuidle_idle_call kernel/sched/idle.c:202 [inline]
 do_idle+0x3a1/0x650 kernel/sched/idle.c:326
 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:424
 start_secondary+0x32f/0x430 arch/x86/kernel/smpboot.c:281
 secondary_startup_64_no_verify+0xb1/0xbb
 </TASK>
BUG: sleeping function called from invalid context at kernel/workqueue.c:3031
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/1
INFO: lockdep is turned off.
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 0 Comm: swapper/1 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <IRQ>
 dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
 ___might_sleep+0x493/0x610 kernel/sched/core.c:9658
 start_flush_work+0x2e/0x830 kernel/workqueue.c:3031
 __flush_work+0x148/0x210 kernel/workqueue.c:3093
 __cancel_work_timer+0x3f4/0x560 kernel/workqueue.c:3181
 mmc_free_host+0x15/0x30 drivers/mmc/core/host.c:663
 call_timer_fn+0x17b/0x540 kernel/time/timer.c:1648
 expire_timers kernel/time/timer.c:1699 [inline]
 __run_timers+0x56c/0x810 kernel/time/timer.c:1970
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1983
 handle_softirqs+0x336/0x830 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:659
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:default_idle+0xb/0x10 arch/x86/kernel/process.c:730
Code: b7 48 89 df e8 06 75 f4 f7 eb ad e8 4f ab f6 ff 00 00 cc cc 00 00 cc cc 00 00 cc cc 00 00 cc 66 90 0f 00 2d b7 05 5c 00 fb f4 <c3> 0f 1f 40 00 41 57 41 56 53 49 be 00 00 00 00 00 fc ff df 65 48
RSP: 0018:ffffc90000d67d48 EFLAGS: 000002c2
RAX: 57585e5b6d0d4600 RBX: ffff888016e98000 RCX: 57585e5b6d0d4600
RDX: 0000000000000001 RSI: ffffffff8a2b2be0 RDI: ffffffff8a7a4540
RBP: ffffc90000d67e80 R08: ffff8880b913b30b R09: 1ffff11017227661
R10: dffffc0000000000 R11: ffffed1017227662 R12: 1ffff920001acfb4
R13: dffffc0000000000 R14: 1ffff11002dd3000 R15: 0000000000000000
 default_idle_call+0x81/0xc0 kernel/sched/idle.c:112
 cpuidle_idle_call kernel/sched/idle.c:202 [inline]
 do_idle+0x3a1/0x650 kernel/sched/idle.c:326
 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:424
 start_secondary+0x32f/0x430 arch/x86/kernel/smpboot.c:281
 secondary_startup_64_no_verify+0xb1/0xbb
 </TASK>
ODEBUG: object ffffc90000dd09a0 is NOT on stack ffffc90000d60000, but annotated.
------------[ cut here ]------------
WARNING: CPU: 1 PID: 0 at lib/debugobjects.c:561 debug_object_is_on_stack lib/debugobjects.c:-1 [inline]
WARNING: CPU: 1 PID: 0 at lib/debugobjects.c:561 lookup_object_or_alloc lib/debugobjects.c:594 [inline]
WARNING: CPU: 1 PID: 0 at lib/debugobjects.c:561 __debug_object_init+0x4c0/0xc80 lib/debugobjects.c:621
Modules linked in:
CPU: 1 PID: 0 Comm: swapper/1 Tainted: G        W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:debug_object_is_on_stack lib/debugobjects.c:561 [inline]
RIP: 0010:lookup_object_or_alloc lib/debugobjects.c:594 [inline]
RIP: 0010:__debug_object_init+0x4c0/0xc80 lib/debugobjects.c:621
Code: 36 09 73 12 48 c7 c1 40 4d 7a 8a 48 c7 c7 a0 4d 7a 8a 84 c0 48 0f 45 f9 4c 89 ee e8 4a e3 c8 05 48 be 00 00 00 00 00 fc ff df <0f> 0b e9 4d fd ff ff 83 3d 62 08 73 12 00 4c 89 6c 24 28 0f 84 23
RSP: 0018:ffffc90000dd07e0 EFLAGS: 00010046
RAX: 0000000000000050 RBX: 0000000000000001 RCX: 57585e5b6d0d4600
RDX: 0000000000000100 RSI: dffffc0000000000 RDI: 0000000000000000
RBP: ffffc90000dd0950 R08: ffffc90000dd0307 R09: 1ffff920001ba060
R10: dffffc0000000000 R11: fffff520001ba061 R12: f8f8f8f8f8f8f8f8
R13: ffffc90000dd09a0 R14: ffff888016e98020 R15: ffff88805c86f8f8
FS:  0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055a36b4cc560 CR3: 0000000029e0c000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __synchronize_srcu+0x229/0x350 kernel/rcu/srcutree.c:928
 wakeup_source_remove drivers/base/power/wakeup.c:203 [inline]
 wakeup_source_unregister+0x112/0x190 drivers/base/power/wakeup.c:247
 mmc_host_classdev_release+0x43/0xf0 drivers/mmc/core/host.c:77
 device_release+0x92/0x1c0 drivers/base/core.c:-1
 kobject_cleanup lib/kobject.c:713 [inline]
 kobject_release lib/kobject.c:744 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x217/0x450 lib/kobject.c:761
 call_timer_fn+0x17b/0x540 kernel/time/timer.c:1648
 expire_timers kernel/time/timer.c:1699 [inline]
 __run_timers+0x56c/0x810 kernel/time/timer.c:1970
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1983
 handle_softirqs+0x336/0x830 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:659
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:default_idle+0xb/0x10 arch/x86/kernel/process.c:730
Code: b7 48 89 df e8 06 75 f4 f7 eb ad e8 4f ab f6 ff 00 00 cc cc 00 00 cc cc 00 00 cc cc 00 00 cc 66 90 0f 00 2d b7 05 5c 00 fb f4 <c3> 0f 1f 40 00 41 57 41 56 53 49 be 00 00 00 00 00 fc ff df 65 48
RSP: 0018:ffffc90000d67d48 EFLAGS: 000002c2
RAX: 57585e5b6d0d4600 RBX: ffff888016e98000 RCX: 57585e5b6d0d4600
RDX: 0000000000000001 RSI: ffffffff8a2b2be0 RDI: ffffffff8a7a4540
RBP: ffffc90000d67e80 R08: ffff8880b913b30b R09: 1ffff11017227661
R10: dffffc0000000000 R11: ffffed1017227662 R12: 1ffff920001acfb4
R13: dffffc0000000000 R14: 1ffff11002dd3000 R15: 0000000000000000
 default_idle_call+0x81/0xc0 kernel/sched/idle.c:112
 cpuidle_idle_call kernel/sched/idle.c:202 [inline]
 do_idle+0x3a1/0x650 kernel/sched/idle.c:326
 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:424
 start_secondary+0x32f/0x430 arch/x86/kernel/smpboot.c:281
 secondary_startup_64_no_verify+0xb1/0xbb
 </TASK>
----------------
Code disassembly (best guess):
   0:	b7 48                	mov    $0x48,%bh
   2:	89 df                	mov    %ebx,%edi
   4:	e8 06 75 f4 f7       	call   0xf7f4750f
   9:	eb ad                	jmp    0xffffffb8
   b:	e8 4f ab f6 ff       	call   0xfff6ab5f
  10:	00 00                	add    %al,(%rax)
  12:	cc                   	int3
  13:	cc                   	int3
  14:	00 00                	add    %al,(%rax)
  16:	cc                   	int3
  17:	cc                   	int3
  18:	00 00                	add    %al,(%rax)
  1a:	cc                   	int3
  1b:	cc                   	int3
  1c:	00 00                	add    %al,(%rax)
  1e:	cc                   	int3
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d b7 05 5c 00 	verw   0x5c05b7(%rip)        # 0x5c05df
  28:	fb                   	sti
  29:	f4                   	hlt
* 2a:	c3                   	ret <-- trapping instruction
  2b:	0f 1f 40 00          	nopl   0x0(%rax)
  2f:	41 57                	push   %r15
  31:	41 56                	push   %r14
  33:	53                   	push   %rbx
  34:	49 be 00 00 00 00 00 	movabs $0xdffffc0000000000,%r14
  3b:	fc ff df
  3e:	65                   	gs
  3f:	48                   	rex.W