rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10500 ticks this GP) idle=2924/1/0x4000000000000000 softirq=37708/37938 fqs=5155
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1231062        806            0
rcu: 	cputime:    32595      19891           42   ==> 52490(ms)
rcu: 	(t=10501 jiffies g=30653 q=1249 ncpus=2)
CPU: 0 UID: 0 PID: 9239 Comm: syz.4.1115 Not tainted 6.16.0-syzkaller-11113-gf3af62b6cee8 #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:lock_acquire+0x175/0x360
Code: 00 00 00 00 9c 8f 44 24 30 f7 44 24 30 00 02 00 00 0f 85 cd 00 00 00 f7 44 24 08 00 02 00 00 74 01 fb 65 48 8b 05 3b 06 02 11 <48> 3b 44 24 58 0f 85 f2 00 00 00 48 83 c4 60 5b 41 5c 41 5d 41 5e
RSP: 0018:ffffc90000006c98 EFLAGS: 00000206
RAX: c3ad8730213eaa00 RBX: 0000000000000000 RCX: c3ad8730213eaa00
RDX: 0000000000000000 RSI: ffffffff8dba01e6 RDI: ffffffff8be2fd00
RBP: ffffffff8172c025 R08: 0000000000000000 R09: ffffffff8172c025
R10: ffffc90000006e58 R11: ffffffff81ac34b0 R12: 0000000000000002
R13: ffffffff8e139e60 R14: 0000000000000000 R15: 0000000000000246
FS:  00007f6a6bcd16c0(0000) GS:ffff8880b862a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000011a82a000 CR4: 00000000000006f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000200000000300
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 unwind_next_frame+0xc2/0x2390
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 __kasan_kmalloc+0x93/0xb0
 __kmalloc_noprof+0x27a/0x4f0
 cfg80211_inform_single_bss_data+0x905/0x1ac0
 cfg80211_inform_bss_data+0x1fb/0x3b30
 cfg80211_inform_bss_frame_data+0x3d7/0x730
 ieee80211_bss_info_update+0x746/0x9e0
 ieee80211_scan_rx+0x593/0xa20
 ieee80211_rx_list+0x201c/0x2a90
 ieee80211_rx_napi+0x1a8/0x3d0
 ieee80211_handle_queued_frames+0xe8/0x1f0
 tasklet_action_common+0x36c/0x580
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:refill_obj_stock+0x3e2/0x850
Code: 49 c7 c6 00 15 a1 92 4d 03 34 24 48 c7 c0 40 b3 aa 99 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 1e 03 00 00 83 3d 2e b2 7f 17 00 <75> 29 4d 8d 66 28 4c 89 e0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89
RSP: 0018:ffffc9000389f240 EFLAGS: 00000246
RAX: 0000000000000004 RBX: 0000000000000b98 RCX: ffffffff99aab303
RDX: 0000000000000006 RSI: ffffffff8be2fce0 RDI: ffffffff8be2fca0
RBP: 0000000000000ac8 R08: ffffffff8fa32437 R09: 1ffffffff1f46486
R10: dffffc0000000000 R11: fffffbfff1f46487 R12: ffffffff8dbd8d10
R13: dffffc0000000000 R14: ffff88804b03b500 R15: 0000000000000000
 __memcg_slab_free_hook+0x127/0x3d0
 kmem_cache_free+0x223/0x400
 finish_task_switch+0x3ee/0x950
 __schedule+0x17a0/0x4cc0
 preempt_schedule_irq+0xb5/0x150
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:preempt_schedule_common+0x0/0xd0
Code: 01 00 cc e8 22 00 00 00 eb cc e8 0b d7 fe ff 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <41> 57 41 56 53 49 bf 00 00 00 00 00 fc ff df eb 0d 48 f7 03 08 00
RSP: 0018:ffffc9000389f798 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 1ffff92000713ef4 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8d9b1618 RDI: 00000000ffffffff
RBP: ffffc9000389f818 R08: ffffffff8fa32437 R09: 1ffffffff1f46486
R10: dffffc0000000000 R11: fffffbfff1f46487 R12: dffffc0000000000
R13: ffffffff8e13f180 R14: dffffc0000000000 R15: 1ffff92000713f10
 preempt_schedule+0xae/0xc0
 preempt_schedule_thunk+0x16/0x30
 _raw_spin_unlock_irqrestore+0xfd/0x110
 rcu_preempt_deferred_qs_irqrestore+0x8bd/0xce0
 rcu_read_unlock_special+0x475/0x5e0
 __rcu_read_unlock+0x84/0xe0
 __reset_page_owner+0x67/0x1f0
 __free_frozen_pages+0xbc4/0xd30
 __put_partials+0x156/0x1a0
 put_cpu_partial+0x17c/0x250
 __slab_free+0x2d5/0x3c0
 qlist_free_all+0x97/0x140
 kasan_quarantine_reduce+0x148/0x160
 __kasan_kmalloc+0x22/0xb0
 __kmalloc_cache_noprof+0x230/0x3d0
 getname_flags+0x2c5/0x540
 __x64_sys_mkdir+0x5d/0x80
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6a6ad8ebe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f6a6bcd1038 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007f6a6afb5fa0 RCX: 00007f6a6ad8ebe9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000000
RBP: 00007f6a6ae11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6a6afb6038 R14: 00007f6a6afb5fa0 R15: 00007ffed0c92da8
 </TASK>
