BUG: sleeping function called from invalid context at kernel/workqueue.c:4561
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 6041, name: syz.4.118
preempt_count: 100, expected: 0
RCU nest depth: 0, expected: 0
locks held by syz.4.118/6041: 1, last CPU#1:
 #0: ffffc90002cd7c00 ((&vub300->inactivity_timer)){+.-.}-{0:0}, at: call_timer_fn+0xd5/0x5f0 kernel/time/timer.c:1745
Preemption disabled at:
[<ffffffff8189135b>] softirq_handle_begin kernel/softirq.c:486 [inline]
[<ffffffff8189135b>] handle_softirqs+0xab/0x860 kernel/softirq.c:621
CPU: 1 UID: 0 PID: 6041 Comm: syz.4.118 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 __might_resched+0x36a/0x4c0 kernel/sched/core.c:9264
 __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+0x57/0xc0 arch/x86/kernel/apic/apic.c:1062
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0033:0x7f8f4fe73ae7
Code: 03 14 ef 80 3d e1 42 3b 00 00 49 89 d6 48 89 d3 74 28 25 ff 0f 00 00 83 f0 3d 8d 04 c0 89 c3 c1 eb 04 31 c3 69 db 2d eb d4 27 <89> d8 c1 e8 0f 31 c3 81 e3 ff 0f 00 00 48 31 d3 80 3d 4a e5 3a 00
RSP: 002b:00007f8f5034fae0 EFLAGS: 00000a03
RAX: 0000000000000dbf RBX: 000000005f1d2694 RCX: ffffffff81b4dd6d
RDX: ffffffff81b4d1c4 RSI: ffffffff81b4dd6d RDI: 00007f8f4f5fd008
RBP: 0000000000000000 R08: 00007f8f50210000 R09: 00007f8f50212000
R10: 0000000081b4dd71 R11: 0000000000000004 R12: 00007f8f50226128
R13: 0000000000054076 R14: ffffffff81b4d1c4 R15: 00007f8f50d55720
 </TASK>
BUG: scheduling while atomic: syz.4.118/6041/0x00000101
locks held by syz.4.118/6041: 1, on CPU#1:
 #0: ffffc90002cd7c00 ((&vub300->inactivity_timer)){+.-.}-{0:0}, at: call_timer_fn+0xd5/0x5f0 kernel/time/timer.c:1745
Modules linked in:
Preemption disabled at:
[<ffffffff8189135b>] softirq_handle_begin kernel/softirq.c:486 [inline]
[<ffffffff8189135b>] handle_softirqs+0xab/0x860 kernel/softirq.c:621