rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10346 ticks this GP) idle=a3ac/1/0x4000000000000000 softirq=96477/96478 fqs=4317
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   927462          0            0
rcu: 	cputime:    28484      17945           84   ==> 46450(ms)
rcu: 	(t=10502 jiffies g=85861 q=6108 ncpus=2)
CPU: 0 UID: 0 PID: 23754 Comm: syz.2.5255 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:lock_acquire+0x20b/0x2e0
Code: e9 30 ff ff ff e8 45 45 0d 0a f7 c3 00 02 00 00 0f 84 38 ff ff ff 65 48 8b 05 c1 d2 7a 11 48 3b 44 24 30 75 33 fb 48 83 c4 38 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 48 8d 3d fe 7a 73
RSP: 0018:ffffc90000006db8 EFLAGS: 00000286
RAX: a474a10c04316f00 RBX: 0000000000000246 RCX: 0000000000000101
RDX: 000000008eba6367 RSI: ffffffff8e169ed2 RDI: ffffffff8c27ca00
RBP: 0000000000000000 R08: ffffffff81767e95 R09: ffffffff8e75e5e0
R10: ffffc90000006ba0 R11: ffffffff81b0c390 R12: 0000000000000002
R13: ffffffff8e75e5e0 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fa6ebdf66c0(0000) GS:ffff88818de5a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2ade0c CR3: 0000000118b14000 CR4: 00000000000006f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000076
DR3: 0000000000000076 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 unwind_next_frame+0xc2/0x23c0
 arch_stack_walk+0x11b/0x150
 stack_trace_save+0xa9/0x100
 kasan_save_track+0x3e/0x80
 __kasan_kmalloc+0x93/0xb0
 __kmalloc_noprof+0x35c/0x760
 cfg80211_inform_single_bss_data+0x952/0x1b70
 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:ffffc900017eefe0 EFLAGS: 00000206
RAX: 00000000000404f3 RBX: 0000000000000000 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffffffff8def9047 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:debug_lockdep_rcu_enabled+0x2c/0x40
Code: 1e fa 31 c0 83 3d b3 dd 62 04 00 74 1d 83 3d aa 0f 63 04 00 74 14 65 48 8b 0d e8 87 6d 07 31 c0 83 b9 54 0b 00 00 00 0f 94 c0 <c3> cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 90 90
RSP: 0018:ffffc900017ef108 EFLAGS: 00000246
RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffff88816a910000
RDX: ffffc9000a83d000 RSI: 00000000000098fb RDI: 00000000000098fc
RBP: 0000000000000000 R08: ffffffff81d54aa6 R09: ffffffff8e75e5e0
R10: ffffc900017eeee0 R11: ffffffffa000540c R12: 0000000000004d2c
R13: dffffc0000000000 R14: 00007fa6edb9c819 R15: 0000000000000000
 is_bpf_text_address+0x1f3/0x2b0
 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
 __kmalloc_cache_noprof+0x31c/0x660
 do_check_common+0x159/0x2600
 bpf_check+0x23b2/0x1ccc0
 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: 0033:0x7fa6edb9c819
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:00007fa6ebdf6028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fa6ede15fa0 RCX: 00007fa6edb9c819
RDX: 0000000000000090 RSI: 0000200000000780 RDI: 0000000000000005
RBP: 00007fa6edc32c91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa6ede16038 R14: 00007fa6ede15fa0 R15: 00007ffdb86d7038
 </TASK>
sched: DL replenish lagged too much
