rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P7338
rcu: 	(detected by 1, t=10502 jiffies, g=18433, q=3004 ncpus=2)
task:syz.4.354       state:R  running task     stack:23312 pid:7338  tgid:7336  ppid:6706   task_flags:0x400140 flags:0x00080012
Call Trace:
 <IRQ>
 sched_show_task+0x4aa/0x5f0
 print_other_cpu_stall+0xfcc/0x1380
 rcu_sched_clock_irq+0x939/0x1050
 update_process_times+0x23b/0x2f0
 tick_nohz_handler+0x42b/0x770
 __hrtimer_run_queues+0x4e7/0xcc0
 hrtimer_interrupt+0x45b/0xaa0
 __sysvec_apic_timer_interrupt+0x102/0x460
 sysvec_apic_timer_interrupt+0x52/0xc0
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:unwind_next_frame+0x484/0x23c0
Code: d2 84 c0 48 0f 45 d1 48 89 15 68 54 88 11 48 85 d2 0f 84 40 02 00 00 4c 8d 62 04 4c 8d 6a 05 4c 89 e0 48 c1 e8 03 0f b6 04 28 <84> c0 0f 85 66 18 00 00 4c 89 e8 48 c1 e8 03 0f b6 04 28 84 c0 0f
RSP: 0018:ffffc90000a07bd8 EFLAGS: 00000a03
RAX: 0000000000000000 RBX: ffffffff900e45ac RCX: ffffffff900e45b4
RDX: ffffffff908dc990 RSI: ffffffff908dc948 RDI: ffffffff8c076ca0
RBP: dffffc0000000000 R08: 0000000000000013 R09: ffffffff8e560120
R10: ffffc90000a07cf8 R11: ffffffff81af6830 R12: ffffffff908dc994
R13: ffffffff908dc995 R14: ffffc90000a07ca8 R15: ffffffff900e45b0
 arch_stack_walk+0x11b/0x150
 stack_trace_save+0xa9/0x100
 kasan_save_stack+0x3e/0x60
 kasan_record_aux_stack+0xbd/0xd0
 call_rcu+0xee/0x890
 __kfree_rcu_sheaf+0x259/0x5b0
 kvfree_call_rcu+0x9e/0x430
 cfg80211_update_known_bss+0x830/0x1590
 __cfg80211_bss_update+0x147/0x2110
 cfg80211_inform_single_bss_data+0xbd1/0x1b70
 cfg80211_inform_bss_data+0x24d/0x3be0
 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:finish_task_switch+0x245/0x920
Code: 00 00 48 85 db 0f 85 e8 01 00 00 0f 1f 44 00 00 4c 8b 75 d0 49 83 c4 48 4c 89 e7 e8 85 ca fc 09 e8 20 85 37 00 fb 4c 8b 65 c0 <49> 8d bc 24 30 16 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0
RSP: 0018:ffffc900036ee538 EFLAGS: 00000206
RAX: 0000000000017ceb RBX: 0000000000000000 RCX: 0000000080000001
RDX: 0000000000000000 RSI: ffffffff8dcf1f4e RDI: ffffffff8c076d00
RBP: ffffc900036ee590 R08: ffffffff8ff0e0b7 R09: 1ffffffff1fe1c16
R10: dffffc0000000000 R11: fffffbfff1fe1c17 R12: ffff88816faf0000
R13: dffffc0000000000 R14: ffff888168a19d00 R15: ffff88823c63b918
 __schedule+0x1546/0x5070
 preempt_schedule_irq+0x4d/0xa0
 irqentry_exit+0x599/0x620
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__rcu_read_lock+0x31/0x60
Code: 8b 1d cb ae 4d 11 48 81 c3 84 04 00 00 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 84 c0 75 18 ff 03 8b 03 <3d> 00 00 00 40 7d 07 5b c3 cc cc cc cc cc 90 0f 0b 90 eb f3 89 d9
RSP: 0018:ffffc900036ee8c8 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffff88816faf0484 RCX: dffffc0000000000
RDX: ffffc900036eea98 RSI: dffffc0000000000 RDI: ffffc900036eea08
RBP: dffffc0000000000 R08: ffffc900036ee9f8 R09: 0000000000000000
R10: ffffc900036eea58 R11: fffff520006ddd4d R12: 1ffff920006ddd41
R13: ffffc900036eea40 R14: ffffc900036eea08 R15: ffffc900036eea08
 unwind_next_frame+0x9e/0x23c0
 __unwind_start+0x5b8/0x760
 arch_stack_walk+0xe3/0x150
 stack_trace_save+0xa9/0x100
 save_stack+0x122/0x230
 __set_page_owner+0x8d/0x4c0
 post_alloc_hook+0x231/0x280
 get_page_from_freelist+0x24dc/0x2580
 __alloc_frozen_pages_noprof+0x18d/0x380
 alloc_pages_bulk_noprof+0x558/0x700
 alloc_pages_bulk_mempolicy_noprof+0x34e/0x1680
 __vmalloc_node_range_noprof+0xa32/0x1730
 vmalloc_noprof+0xb2/0xe0
 bpf_prog_calc_tag+0x4c/0x370
 resolve_pseudo_ldimm64+0xbd/0xc90
 bpf_check+0x1d5e/0x1cdd0
 bpf_prog_load+0x1484/0x1ae0
 __sys_bpf+0x618/0x950
 __x64_sys_bpf+0x7c/0x90
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb23dd9acb9
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:00007fb23eb8d028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fb23e015fa0 RCX: 00007fb23dd9acb9
RDX: 0000000000000094 RSI: 00002000000000c0 RDI: 0000000000000005
RBP: 00007fb23de08bf7 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb23e016038 R14: 00007fb23e015fa0 R15: 00007ffd88a73998
 </TASK>
sched: DL replenish lagged too much
