rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10500 ticks this GP) idle=f324/1/0x4000000000000000 softirq=15755/15755 fqs=5079
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1227747          0            0
rcu: 	cputime:    36308      16191           37   ==> 52500(ms)
rcu: 	(t=10501 jiffies g=11589 q=4355 ncpus=2)
CPU: 1 UID: 0 PID: 6712 Comm: syz.0.250 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_release+0x94/0x3d0
Code: 85 0d 02 00 00 65 4c 8b 3d c1 83 7a 11 41 83 bf 54 0b 00 00 00 0f 85 f7 01 00 00 49 81 3e 20 14 e0 93 0f 84 ea 01 00 00 9c 5b <fa> 48 c7 c7 d3 24 f1 8d e8 4f 31 0d 0a 65 ff 05 38 c9 7a 11 c7 44
RSP: 0018:ffffc90000a07c50 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 0000000000000202 RCX: 0000000000000303
RDX: ffffc90000a07d01 RSI: ffffffff8c27c7e0 RDI: ffffffff8c27c7a0
RBP: dffffc0000000000 R08: ffffc90000a08130 R09: 0000000000000000
R10: ffffc90000a07dd8 R11: fffff52000140fbd R12: ffffc90000a08140
R13: ffffffff81767e95 R14: ffffffff8e75e5e0 R15: ffff88819d651d40
FS:  00007f46d8fa56c0(0000) GS:ffff8882a945c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f25a2a720c0 CR3: 00000001a0f70000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 unwind_next_frame+0x1aaa/0x23c0
 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:__schedule+0x15e5/0x52d0
Code: d8 48 c1 e8 03 42 80 3c 30 00 74 08 48 89 df e8 51 40 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:ffffc9000746e6e0 EFLAGS: 00000202
RAX: 00000000000009ef RBX: ffff88823c63ae48 RCX: 0000000080000001
RDX: 0000000000000000 RSI: ffffffff8def8ec0 RDI: ffffffff8c27c800
RBP: ffffc9000746e8d8 R08: ffffffff9011b3b7 R09: 1ffffffff2023676
R10: dffffc0000000000 R11: fffffbfff2023677 R12: ffff88819d651d40
R13: ffff88819d651d40 R14: dffffc0000000000 R15: 1ffff110478c75c3
 preempt_schedule_common+0x82/0xd0
 preempt_schedule_thunk+0x16/0x30
 _raw_spin_unlock_irqrestore+0x74/0x80
 rcu_preempt_deferred_qs_irqrestore+0x7b9/0xbc0
 __rcu_read_unlock+0x83/0xe0
 unwind_next_frame+0x1aaf/0x23c0
 arch_stack_walk+0x11b/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
 __kasan_populate_vmalloc+0xc1/0x1d0
 alloc_vmap_area+0xd73/0x14b0
 __get_vm_area_node+0x1f8/0x300
 __vmalloc_node_range_noprof+0x372/0x1730
 vzalloc_noprof+0xb2/0xe0
 bpf_check+0x196/0x1ccc0
 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: 0033:0x7f46d819c799
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:00007f46d8fa5028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f46d8416090 RCX: 00007f46d819c799
RDX: 0000000000000094 RSI: 0000200000000180 RDI: 0000000000000005
RBP: 00007f46d8232c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f46d8416128 R14: 00007f46d8416090 R15: 00007ffd804305e8
 </TASK>
clocksource: Long readout interval, skipping watchdog check: cs_nsec: 104056587481 wd_nsec: 104056594980
GRED: Unable to relocate VQ 0x0 after dequeue, screwing up backlog
