rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10441 ticks this GP) idle=186c/1/0x4000000000000000 softirq=24331/24335 fqs=4838
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   910449          0            0
rcu: 	cputime:    36456      16023           55   ==> 52480(ms)
rcu: 	(t=10500 jiffies g=11285 q=4120 ncpus=2)
CPU: 1 UID: 0 PID: 7182 Comm: syz.1.404 Not tainted 6.16.0-rc6-syzkaller-00411-g95993dc3039e #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:unwind_next_frame+0x1840/0x2390
Code: 38 49 8d 7e 08 48 89 f8 48 c1 e8 03 80 3c 28 00 74 05 e8 c3 89 b0 00 4d 8b 6e 08 4d 8d 7e 10 4c 89 f8 48 c1 e8 03 80 3c 28 00 <74> 08 4c 89 ff e8 a6 89 b0 00 49 8b 07 4d 39 e5 0f 96 c1 4c 39 e0
RSP: 0018:ffffc900001dfb98 EFLAGS: 00000246
RAX: 1ffff9200003bf8f RBX: ffffffff903d8001 RCX: 0000000000000001
RDX: ffffc900001dfca8 RSI: dffffc0000000000 RDI: ffffc900001dfc70
RBP: dffffc0000000000 R08: ffffc90002d2fad0 R09: 0000000000000000
R10: ffffc900001dfcb8 R11: fffff5200003bf99 R12: ffffc90002d2fae0
R13: ffffc90002d28000 R14: ffffc900001dfc68 R15: ffffc900001dfc78
FS:  00007f32668806c0(0000) GS:ffff8881a3c1f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000002000 CR3: 0000000027e84000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 00000000000d0602
Call Trace:
 <IRQ>
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_stack+0x3e/0x60
 kasan_record_aux_stack+0xbd/0xd0
 kvfree_call_rcu+0xbb/0x410
 cfg80211_update_known_bss+0x634/0x1330
 __cfg80211_bss_update+0x147/0x2120
 cfg80211_inform_single_bss_data+0xba9/0x1ac0
 cfg80211_inform_bss_data+0x1fb/0x3b20
 cfg80211_inform_bss_frame_data+0x3d7/0x730
 ieee80211_bss_info_update+0x746/0x9e0
 ieee80211_scan_rx+0x593/0xa20
 ieee80211_rx_list+0x22fc/0x2d80
 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_irq_work+0xa3/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_irq_work+0x1a/0x20
RIP: 0010:preempt_schedule_irq+0xb0/0x150
Code: 24 20 f6 44 24 21 02 74 0c 90 0f 0b 48 f7 03 08 00 00 00 74 64 bf 01 00 00 00 e8 8b 2d 21 f6 e8 c6 00 58 f6 fb bf 01 00 00 00 <e8> 1b ab ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0018:ffffc90002d2f4e0 EFLAGS: 00000282
RAX: 103c2bcebda20700 RBX: 0000000000000000 RCX: 103c2bcebda20700
RDX: 0000000000000000 RSI: ffffffff8d998836 RDI: 0000000000000001
RBP: ffffc90002d2f580 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920005a5e9c
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__free_frozen_pages+0x6a5/0xe70
Code: eb 02 31 db 48 83 c3 08 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 3e 9d 0d 00 48 8b 03 <48> 8b 4c 24 28 49 89 ce 49 c1 ee 07 c1 e9 0a 83 e1 18 48 8d 1c 08
RSP: 0018:ffffc90002d2f640 EFLAGS: 00000246
RAX: ffff88805fffa218 RBX: ffff88805fffa4a8 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 00000000000000ff RDI: ffffed1005237800
RBP: 0000000000000000 R08: dffffc0000000000 R09: 0000000000000000
R10: ffffed1005237600 R11: fffffbfff1f43d1f R12: ffffea0000a46ec0
R13: ffff88805fffbb80 R14: 00000000000000a0 R15: 0000000000000000
 kasan_populate_vmalloc+0x18a/0x1a0
 alloc_vmap_area+0xd51/0x1490
 __get_vm_area_node+0x1f8/0x300
 __vmalloc_node_range_noprof+0x301/0x12f0
 __vmalloc_noprof+0xb1/0xf0
 bpf_prog_alloc_no_stats+0x4a/0x4b0
 bpf_prog_alloc+0x3c/0x1a0
 bpf_prog_load+0x735/0x1930
 __sys_bpf+0x528/0x870
 __x64_sys_bpf+0x7c/0x90
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f326598e9a9
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:00007f3266880038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f3265bb5fa0 RCX: 00007f326598e9a9
RDX: 0000000000000094 RSI: 0000200000000180 RDI: 0000000000000005
RBP: 00007f3265a10d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f3265bb5fa0 R15: 00007ffd27c3a428
 </TASK>
sched: DL replenish lagged too much
