rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10410 ticks this GP) idle=136c/1/0x4000000000000000 softirq=450719/450719 fqs=4733
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1044708          0            0
rcu: 	cputime:    33769      18720           46   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=365449 q=3007 ncpus=2)
CPU: 1 UID: 0 PID: 16889 Comm: syz.8.20247 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:unwind_next_frame+0x214/0x23c0
Code: ef 08 8b 15 1e 9d a4 0c 8d 42 ff 44 39 f8 0f 86 78 04 00 00 44 89 f8 4c 8d 2c 85 ec c9 52 91 4c 89 e8 48 c1 e8 03 0f b6 04 28 <84> c0 48 89 eb 0f 85 25 1c 00 00 45 8b 6d 00 44 89 f8 ff c0 48 8d
RSP: 0018:ffffc90000a07cb8 EFLAGS: 00000a07
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000300
RDX: 00000000000ab29c RSI: ffffffff8c27c9e0 RDI: ffffffff8c27c9a0
RBP: dffffc0000000000 R08: ffffffff81767e95 R09: ffffffff8e75e5e0
R10: ffffc90000a07dd8 R11: ffffffff81b0c390 R12: ffffffff8b25bc64
R13: ffffffff917b60dc R14: ffffc90000a07d88 R15: 00000000000a25bc
FS:  00007fe291e5a6c0(0000) GS:ffff8882a945a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30313ff8 CR3: 000000018f438000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000200000000300
DR3: 0000200000000300 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 arch_stack_walk+0x11b/0x150
 stack_trace_save+0xa9/0x100
 kasan_save_track+0x3e/0x80
 kasan_save_free_info+0x46/0x50
 __kasan_slab_free+0x5c/0x80
 kfree+0x1c1/0x630
 ieee80211_inform_bss+0xc75/0x1160
 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:preempt_schedule_irq+0x48/0xa0
Code: 49 be 00 00 00 00 00 fc ff df eb 09 48 f7 03 10 00 00 00 74 53 bf 01 00 00 00 e8 e3 e7 e3 f5 e8 4e 86 1d f6 fb bf 01 00 00 00 <e8> c3 a6 ff ff 9c 58 fa a9 00 02 00 00 74 05 e8 24 88 1d f6 bf 01
RSP: 0018:ffffc90003db6ff0 EFLAGS: 00000202
RAX: 0000000000010a61 RBX: 0000000000000000 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffffffff8def914b RDI: 0000000000000001
RBP: 0000000000000000 R08: ffffffff9011b4b7 R09: 1ffffffff2023696
R10: dffffc0000000000 R11: fffffbfff2023697 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
 irqentry_exit+0x599/0x620
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:is_bpf_text_address+0x0/0x2b0
Code: a6 5a 00 be 00 02 00 00 bf 02 00 00 00 4c 89 ea e8 e5 61 56 ff 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <0f> 1f 40 d6 55 41 57 41 56 41 55 41 54 53 48 83 ec 10 49 89 fe e8
RSP: 0018:ffffc90003db7110 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007fe290f9c819 RCX: 0000000000000046
RDX: 0000000000000000 RSI: ffffffff8e169f12 RDI: 00007fe290f9c819
RBP: 0000000000000001 R08: ffffffff81af384d R09: ffffffff8e75e5e0
R10: ffffc90003db71b8 R11: ffffffff81b0c390 R12: ffff88816dddba80
R13: 0000000000400dc0 R14: 0000000000000001 R15: 1ffff920007b6e36
 kernel_text_address+0xa5/0xe0
 __kernel_text_address+0xd/0x30
 unwind_get_return_address+0x4d/0x90
 arch_stack_walk+0xfb/0x150
 stack_trace_save+0xa9/0x100
 kasan_save_track+0x3e/0x80
 __kasan_kmalloc+0x93/0xb0
 __kvmalloc_node_noprof+0x528/0x8a0
 compute_scc+0xe8/0xab0
 bpf_check+0x2339/0x1ccc0
 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: 0033:0x7fe290f9c819
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:00007fe291e5a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fe291215fa0 RCX: 00007fe290f9c819
RDX: 0000000000000094 RSI: 0000200000000240 RDI: 0000000000000005
RBP: 00007fe291032c91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe291216038 R14: 00007fe291215fa0 R15: 00007fff74c419f8
 </TASK>
