BUG: sleeping function called from invalid context at kernel/workqueue.c:4561
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/0
preempt_count: 101, expected: 0
RCU nest depth: 0, expected: 0
locks held by swapper/0/0: 1, last CPU#0:
 #0: ffffc90000007cc0 ((&vub300->inactivity_timer)){+.-.}-{0:0}, at: call_timer_fn+0xd5/0x5f0 kernel/time/timer.c:1745
Preemption disabled at:
[<ffffffff8be6f95d>] schedule_preempt_disabled+0x1d/0x30 kernel/sched/core.c:7427
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 07/24/2026
Call Trace:
 <IRQ>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 __might_resched+0x36a/0x4c0 kernel/sched/core.c:9257
 __cancel_work_sync+0x6d/0x110 kernel/workqueue.c:4561
 mmc_free_host+0x19/0x40 drivers/mmc/core/host.c:700
 call_timer_fn+0x18d/0x5f0 kernel/time/timer.c:1748
 expire_timers kernel/time/timer.c:1799 [inline]
 __run_timers kernel/time/timer.c:2374 [inline]
 __run_timer_base+0x652/0x8b0 kernel/time/timer.c:2386
 run_timer_base kernel/time/timer.c:2395 [inline]
 run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2405
 handle_softirqs+0x226/0x860 kernel/softirq.c:645
 __do_softirq kernel/softirq.c:679 [inline]
 invoke_softirq kernel/softirq.c:519 [inline]
 __irq_exit_rcu+0xcb/0x220 kernel/softirq.c:758
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:775
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1062
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:finish_task_switch+0x413/0xc60 kernel/sched/core.c:5377
Code: 04 00 00 41 c7 84 24 20 0e 00 00 00 00 00 00 0f 1f 44 00 00 49 83 c4 48 4c 89 e7 e8 37 77 52 0a e8 52 1a 3a 00 fb 4c 8b 65 c8 <49> 8d bc 24 10 17 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0
RSP: 0018:ffffffff8ea07a40 EFLAGS: 00000202
RAX: 00000000000c82fb RBX: ffff8880b863c8e0 RCX: 8000000000000001
RDX: 0000000000000000 RSI: ffffffff8e414979 RDI: ffffffff8c6da780
RBP: ffffffff8ea07a90 R08: ffffffff907a4e7f R09: 1ffffffff20f49cf
R10: dffffc0000000000 R11: fffffbfff20f49d0 R12: ffffffff8ea8f000
R13: ffffffff8ea8f000 R14: dffffc0000000000 R15: 1ffff110170c791c
 context_switch kernel/sched/core.c:5529 [inline]
 __schedule+0x17e3/0x58f0 kernel/sched/core.c:7277
 schedule_idle+0x51/0x90 kernel/sched/core.c:7395
 do_idle+0x4ad/0x540 kernel/sched/idle.c:384
 cpu_startup_entry+0x43/0x60 kernel/sched/idle.c:454
 rest_init+0x378/0x3a0 init/main.c:732
 start_kernel+0x392/0x3e0 init/main.c:1190
 x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:310
 x86_64_start_kernel+0x137/0x1b0 arch/x86/kernel/head64.c:291
 common_startup_64+0x13e/0x157
 </TASK>
ODEBUG: object ffffc90000007a80 is NOT on stack ffffffff8ea00000, but annotated.
------------[ cut here ]------------
1
WARNING: lib/debugobjects.c:672 at debug_object_is_on_stack lib/debugobjects.c:672 [inline], CPU#0: swapper/0/0
WARNING: lib/debugobjects.c:672 at lookup_object_or_alloc lib/debugobjects.c:705 [inline], CPU#0: swapper/0/0
WARNING: lib/debugobjects.c:672 at __debug_object_init+0x2c4/0x3c0 lib/debugobjects.c:798, CPU#0: swapper/0/0
Modules linked in:
CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G        W           syzkaller #0 PREEMPT(full) 
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:debug_object_is_on_stack lib/debugobjects.c:672 [inline]
RIP: 0010:lookup_object_or_alloc lib/debugobjects.c:705 [inline]
RIP: 0010:__debug_object_init+0x2c4/0x3c0 lib/debugobjects.c:798
Code: fd 06 cc 41 ff c7 44 89 3d 29 1a e8 15 48 c7 c1 80 b0 6d 8c 48 c7 c7 e0 b0 6d 8c 84 c0 48 0f 45 f9 48 89 de e8 ed ec 3c fc 90 <0f> 0b 90 e9 c0 fe ff ff e8 4f 1c 00 00 8b 05 41 ed 6d 0a 3b 05 3f
RSP: 0018:ffffc900000079b8 EFLAGS: 00010046
RAX: 0000000000000050 RBX: ffffc90000007a80 RCX: a0e9132458e5bb00
RDX: 0000000000000100 RSI: 0000000000000100 RDI: 0000000000000000
RBP: ffffffff8ea8f020 R08: 0000000000000100 R09: 1ffff110170c48e2
R10: dffffc0000000000 R11: ffffed10170c48e3 R12: ffff8880203102b8
R13: ffff88803300c070 R14: dffffc0000000000 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff888124cce000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005578637b1040 CR3: 00000000713e6000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 __synchronize_srcu+0x1d5/0x2f0 kernel/rcu/srcutree.c:1475
 wakeup_source_remove drivers/base/power/wakeup.c:201 [inline]
 wakeup_source_unregister+0x129/0x3f0 drivers/base/power/wakeup.c:237
 mmc_host_classdev_release+0x47/0x100 drivers/mmc/core/host.c:69
 device_release+0xc4/0x1f0 drivers/base/core.c:-1
 kobject_cleanup lib/kobject.c:689 [inline]
 kobject_release lib/kobject.c:720 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x222/0x550 lib/kobject.c:737
 call_timer_fn+0x18d/0x5f0 kernel/time/timer.c:1748
 expire_timers kernel/time/timer.c:1799 [inline]
 __run_timers kernel/time/timer.c:2374 [inline]
 __run_timer_base+0x652/0x8b0 kernel/time/timer.c:2386
 run_timer_base kernel/time/timer.c:2395 [inline]
 run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2405
 handle_softirqs+0x226/0x860 kernel/softirq.c:645
 __do_softirq kernel/softirq.c:679 [inline]
 invoke_softirq kernel/softirq.c:519 [inline]
 __irq_exit_rcu+0xcb/0x220 kernel/softirq.c:758
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:775
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1062
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:finish_task_switch+0x413/0xc60 kernel/sched/core.c:5377
Code: 04 00 00 41 c7 84 24 20 0e 00 00 00 00 00 00 0f 1f 44 00 00 49 83 c4 48 4c 89 e7 e8 37 77 52 0a e8 52 1a 3a 00 fb 4c 8b 65 c8 <49> 8d bc 24 10 17 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0
RSP: 0018:ffffffff8ea07a40 EFLAGS: 00000202
RAX: 00000000000c82fb RBX: ffff8880b863c8e0 RCX: 8000000000000001
RDX: 0000000000000000 RSI: ffffffff8e414979 RDI: ffffffff8c6da780
RBP: ffffffff8ea07a90 R08: ffffffff907a4e7f R09: 1ffffffff20f49cf
R10: dffffc0000000000 R11: fffffbfff20f49d0 R12: ffffffff8ea8f000
R13: ffffffff8ea8f000 R14: dffffc0000000000 R15: 1ffff110170c791c
 context_switch kernel/sched/core.c:5529 [inline]
 __schedule+0x17e3/0x58f0 kernel/sched/core.c:7277
 schedule_idle+0x51/0x90 kernel/sched/core.c:7395
 do_idle+0x4ad/0x540 kernel/sched/idle.c:384
 cpu_startup_entry+0x43/0x60 kernel/sched/idle.c:454
 rest_init+0x378/0x3a0 init/main.c:732
 start_kernel+0x392/0x3e0 init/main.c:1190
 x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:310
 x86_64_start_kernel+0x137/0x1b0 arch/x86/kernel/head64.c:291
 common_startup_64+0x13e/0x157
 </TASK>
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	00 00                	add    %al,(%rax)
   2:	41 c7 84 24 20 0e 00 	movl   $0x0,0xe20(%r12)
   9:	00 00 00 00 00
   e:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  13:	49 83 c4 48          	add    $0x48,%r12
  17:	4c 89 e7             	mov    %r12,%rdi
  1a:	e8 37 77 52 0a       	call   0xa527756
  1f:	e8 52 1a 3a 00       	call   0x3a1a76
  24:	fb                   	sti
  25:	4c 8b 65 c8          	mov    -0x38(%rbp),%r12
* 29:	49 8d bc 24 10 17 00 	lea    0x1710(%r12),%rdi <-- trapping instruction
  30:	00
  31:	48 89 f8             	mov    %rdi,%rax
  34:	48 c1 e8 03          	shr    $0x3,%rax
  38:	42 0f b6 04 30       	movzbl (%rax,%r14,1),%eax
  3d:	84 c0                	test   %al,%al