rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10469 ticks this GP) idle=b864/1/0x4000000000000000 softirq=86002/86397 fqs=3229
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1308056        940            0
rcu: 	cputime:    32921      19564           39   ==> 52500(ms)
rcu: 	(t=10502 jiffies g=80709 q=2671 ncpus=2)
CPU: 1 UID: 0 PID: 18535 Comm: syz.7.3355 Not tainted 6.16.0-syzkaller-11113-gf3af62b6cee8-dirty #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:ffffc900001dfc98 EFLAGS: 00000206
RAX: 02fb06618b0a4500 RBX: 0000000000000000 RCX: 02fb06618b0a4500
RDX: 0000000000000000 RSI: ffffffff8dba01e3 RDI: ffffffff8be2fd00
RBP: ffffffff8172c025 R08: 0000000000000000 R09: ffffffff8172c025
R10: ffffc900001dfe58 R11: ffffffff81ac34b0 R12: 0000000000000002
R13: ffffffff8e139e60 R14: 0000000000000000 R15: 0000000000000246
FS:  00007f66851526c0(0000) GS:ffff8881a3c2a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3625ea CR3: 000000011fa2c000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
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:unwind_next_frame+0x0/0x2390
Code: 0a cc 89 d9 80 e1 07 80 c1 03 38 c1 7c 92 48 89 df e8 d4 30 b0 00 eb 88 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 55 41 57 41 56 41 55 41 54 53 48 81 ec 98 00 00 00 49
RSP: 0018:ffffc9000290eb00 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffffc9000290ebc0 RCX: 02fb06618b0a4500
RDX: dffffc0000000000 RSI: ffffffff8222be42 RDI: ffffc9000290eb08
RBP: ffffc9000290eb90 R08: ffffc9000290ebd0 R09: 000000000000000f
R10: dffffc0000000000 R11: ffffffff81ac34b0 R12: ffff888020de5640
R13: 0000000000000000 R14: ffffffff81ac34b0 R15: ffffc9000290eb08
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 kasan_save_free_info+0x46/0x50
 __kasan_slab_free+0x62/0x70
 kmem_cache_free+0x18f/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:__free_frozen_pages+0xb86/0xd30
Code: 23 43 08 48 b9 40 00 00 00 00 00 ad de 45 31 f6 48 39 c8 41 0f 94 c6 48 b8 00 00 00 00 00 fc ff df 48 8b 4c 24 18 80 3c 01 00 <74> 08 48 89 df e8 60 9c 0d 00 48 8b 03 4c 21 e8 49 09 c4 4d 09 f4
RSP: 0018:ffffc9000290f2f0 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: ffffea0004cb9c00 RCX: 1ffffd4000997380
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffea0004cb9c34
RBP: ffffea0004cb9c08 R08: ffffea0004cb9c37 R09: 1ffffd4000997386
R10: dffffc0000000000 R11: fffff94000997387 R12: 0000000000000000
R13: 00000e000014e123 R14: 0000000000000000 R15: 0000000000000000
 __put_partials+0x156/0x1a0
 put_cpu_partial+0x17c/0x250
 __slab_free+0x2d5/0x3c0
 qlist_free_all+0x97/0x140
 kasan_quarantine_reduce+0x148/0x160
 __kasan_slab_alloc+0x22/0x80
 kmem_cache_alloc_noprof+0x1c1/0x3c0
 security_inode_alloc+0x39/0x330
 inode_init_always_gfp+0x9ed/0xdc0
 alloc_inode+0x82/0x1b0
 new_inode+0x22/0x170
 proc_pid_make_inode+0x21/0x130
 proc_pident_instantiate+0x6d/0x2b0
 proc_pident_lookup+0x1b7/0x270
 __lookup_slow+0x297/0x3d0
 lookup_slow+0x53/0x70
 link_path_walk+0x935/0xea0
 path_openat+0x28c/0x3830
 do_filp_open+0x1fa/0x410
 do_sys_openat2+0x121/0x1c0
 __x64_sys_openat+0x138/0x170
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f668438d550
Code: 48 89 44 24 20 75 93 44 89 54 24 0c e8 49 94 02 00 44 8b 54 24 0c 89 da 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 38 44 89 c7 89 44 24 0c e8 9c 94 02 00 8b 44
RSP: 002b:00007f6685151f10 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f668438d550
RDX: 0000000000000002 RSI: 00007f6685151fa0 RDI: 00000000ffffff9c
RBP: 00007f6685151fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 00007f66845b6038 R14: 00007f66845b5fa0 R15: 00007fff2fa98898
 </TASK>
