rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10326 ticks this GP) idle=0e9c/1/0x4000000000000000 softirq=45331/45331 fqs=4541
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   979467          0            0
rcu: 	cputime:    36059      16430           55   ==> 52490(ms)
rcu: 	(t=10502 jiffies g=36629 q=2574 ncpus=2)
CPU: 0 UID: 0 PID: 12891 Comm: syz.5.2033 Not tainted syzkaller #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:__kmalloc_noprof+0x364/0x760
Code: 66 90 f7 c3 00 00 40 00 75 63 41 f6 44 24 09 80 75 5b 4c 89 e7 4c 89 ee 4c 89 f2 89 d9 e8 44 a7 0b 00 49 89 c5 41 8b 4c 24 18 <48> 8b 7c 24 18 48 89 c6 4c 89 f2 41 89 d8 41 b9 ff ff ff ff e8 f3
RSP: 0018:ffffc90000006f10 EFLAGS: 00000286
RAX: ffff8881179cf800 RBX: 0000000000000920 RCX: 0000000000000800
RDX: 00000000bc1a9db9 RSI: 0000000000000001 RDI: 0000000096983348
RBP: ffff88812103f400 R08: 0000000022415606 R09: 00000000b8693e73
R10: 0000000000000013 R11: ffffffffa0000890 R12: ffff888100041dc0
R13: ffff8881179cf800 R14: 00000000000003c8 R15: 0000000000000400
FS:  00007fbd2eff46c0(0000) GS:ffff88818de5a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdae0ea3866 CR3: 000000010de94000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 ieee802_11_parse_elems_full+0x159/0x2ab0
 ieee80211_inform_bss+0x161/0x1160
 cfg80211_inform_single_bss_data+0xd08/0x1b70
 cfg80211_inform_bss_data+0x266/0x3c40
 cfg80211_inform_bss_frame_data+0x3c7/0x760
 ieee80211_bss_info_update+0x794/0xa40
 ieee80211_scan_rx+0x552/0xa40
 ieee80211_rx_list+0x29e5/0x3710
 ieee80211_rx_napi+0x1b1/0x3e0
 ieee80211_handle_queued_frames+0xe8/0x1e0
 tasklet_action_common+0x2da/0x4b0
 handle_softirqs+0x22a/0x870
 __irq_exit_rcu+0x5f/0x150
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__schedule+0x15e5/0x52d0
Code: d8 48 c1 e8 03 42 80 3c 30 00 74 08 48 89 df e8 41 3e 80 f6 4c 89 2b 4c 89 e7 4c 89 ee e8 f3 91 83 f5 48 89 c7 e8 2b 46 e5 f5 <31> ff 4d 39 ec 40 0f 95 c7 e8 4d 4f e5 f5 48 8b 84 24 d8 00 00 00
RSP: 0018:ffffc90007f4ed80 EFLAGS: 00000202
RAX: 000000000012aeb9 RBX: ffff88812103ae48 RCX: 0000000080000001
RDX: 0000000000000007 RSI: ffffffff8def914b RDI: ffffffff8c27ca00
RBP: ffffc90007f4ef70 R08: ffffffff9011b4b7 R09: 1ffffffff2023696
R10: dffffc0000000000 R11: fffffbfff2023697 R12: ffff8881127757c0
R13: ffff8881127757c0 R14: dffffc0000000000 R15: 1ffff110242075c3
 preempt_schedule_common+0x82/0xd0
 preempt_schedule_thunk+0x16/0x30
 _raw_spin_unlock_irqrestore+0x74/0x80
 __rcu_read_unlock+0x83/0xe0
 __reset_page_owner+0x67/0x1f0
 __free_frozen_pages+0xc2b/0xdb0
 __slab_free+0x263/0x2b0
 qlist_free_all+0x97/0x100
 kasan_quarantine_reduce+0x148/0x160
 __kasan_slab_alloc+0x22/0x80
 kmem_cache_alloc_noprof+0x2bc/0x650
 ptlock_alloc+0x20/0x70
 pte_alloc_one+0x7a/0x370
 __pte_alloc+0x25/0x1a0
 copy_pmd_range+0x77d2/0x8050
 copy_page_range+0xbe8/0x11f0
 dup_mmap+0xf40/0x1d90
 copy_mm+0x13b/0x4a0
 copy_process+0x18b6/0x3cd0
 kernel_clone+0x248/0x8e0
 __x64_sys_clone+0x1b6/0x230
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbd2e19c819
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fbd2eff3fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fbd2e415fa0 RCX: 00007fbd2e19c819
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fbd2e232c91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fbd2e416038 R14: 00007fbd2e415fa0 R15: 00007fff209b5f58
 </TASK>
clocksource: Long readout interval, skipping watchdog check: cs_nsec: 102610099380 wd_nsec: 102610101721
