rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10428 ticks this GP) idle=f18c/1/0x4000000000000000 softirq=14402/14548 fqs=5129
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   931589        471            0
rcu: 	cputime:    35602      16772          175   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=6949 q=4064 ncpus=2)
CPU: 0 UID: 0 PID: 5963 Comm: syz.2.19 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+0x12d0/0x2390
Code: 3c 01 00 74 0a 48 8b 7c 24 18 e8 eb 4d b0 00 48 8b 44 24 18 48 8b 10 48 c7 c7 20 3c 88 8b 89 de e8 15 cd b4 ff e9 43 06 00 00 <49> 89 d5 48 89 d5 48 89 d8 48 29 e8 48 89 c1 48 c1 f9 02 48 c1 e8
RSP: 0018:ffffc900000075d8 EFLAGS: 00000283
RAX: ffffffff90b9b1ce RBX: ffffffff9010efb4 RCX: 4a3225c3f291d600
RDX: ffffffff9010efac RSI: ffffffff90b9b1bc RDI: ffffffff8be332a0
RBP: dffffc0000000000 R08: 0000000000000003 R09: ffffffff8172c195
R10: ffffc90000007380 R11: ffffffff81ac3930 R12: ffffffff8957c884
R13: ffffffff9010efac R14: ffffc900000076a8 R15: 00000000000857c8
FS:  00007f136158c6c0(0000) GS:ffff8880b861c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32109ff8 CR3: 0000000027998000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 kasan_save_free_info+0x46/0x50
 __kasan_slab_free+0x5b/0x80
 kmem_cache_free+0x18f/0x400
 x25_lapb_receive_frame+0x65/0xfc0
 netif_receive_skb_core+0x2ab/0x2b0
 lapbeth_napi_poll+0x42/0x90
 __napi_poll+0xc7/0x360
 net_rx_action+0x707/0xe30
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:console_flush_all+0x7f7/0xc40
Code: 48 21 c3 0f 85 e9 01 00 00 e8 35 49 1f 00 48 8b 5c 24 20 4d 85 f6 75 07 e8 26 49 1f 00 eb 06 e8 1f 49 1f 00 fb 48 8b 44 24 28 <42> 80 3c 20 00 74 08 48 89 df e8 4a be 82 00 48 8b 1b 48 8b 44 24
RSP: 0018:ffffc90003d8eb80 EFLAGS: 00000293
RAX: 1ffffffff1d36767 RBX: ffffffff8e9b3b38 RCX: ffff88810b751cc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003d8ecd0 R08: ffffffff8fa38037 R09: 1ffffffff1f47006
R10: dffffc0000000000 R11: fffffbfff1f47007 R12: dffffc0000000000
R13: 0000000000000001 R14: 0000000000000200 R15: ffffffff8e9b3ae0
 console_unlock+0xc4/0x270
 vprintk_emit+0x5b7/0x7a0
 _printk+0xcf/0x120
 __nla_validate_parse+0x2563/0x2d40
 __nla_parse+0x40/0x60
 rtnl_dump_ifinfo+0x2ed/0x1060
 rtnl_dumpit+0xa2/0x200
 netlink_dump+0x6e4/0xe90
 netlink_recvmsg+0x676/0xa30
 sock_recvmsg+0x22c/0x270
 ____sys_recvmsg+0x1c9/0x460
 ___sys_recvmsg+0x1b5/0x510
 __x64_sys_recvmsg+0x198/0x260
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f136078ebe9
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:00007f136158c038 EFLAGS: 00000246 ORIG_RAX: 000000000000002f
RAX: ffffffffffffffda RBX: 00007f13609c6090 RCX: 00007f136078ebe9
RDX: 0000000000000122 RSI: 0000200000000040 RDI: 000000000000000c
RBP: 00007f1360811e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f13609c6128 R14: 00007f13609c6090 R15: 00007fffa0a7aa58
 </TASK>
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 5963 Comm: syz.2.19 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+0xb9/0x360
Code: 7c 55 06 0e 00 0f 84 fa 00 00 00 65 8b 05 2f 24 03 11 85 c0 0f 85 eb 00 00 00 65 48 8b 04 25 08 40 a0 92 83 b8 ec 0a 00 00 00 <0f> 85 d5 00 00 00 48 c7 44 24 30 00 00 00 00 9c 8f 44 24 30 4c 89
RSP: 0018:ffffc90000007120 EFLAGS: 00000046
RAX: ffff88810b751cc0 RBX: 0000000000000000 RCX: 4a3225c3f291d600
RDX: 0000000000000000 RSI: ffffffff81cb03e4 RDI: 1ffffffff1c273d4
RBP: ffffffff81cb03c7 R08: 0000000000000000 R09: 0000000000000000
R10: 3e2d735f5f5f5f26 R11: 746e756f63716573 R12: 0000000000000002
R13: ffffffff8e139ea0 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f136158c6c0(0000) GS:ffff8880b861c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32109ff8 CR3: 0000000027998000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 trace_call_bpf+0xd4/0x850
 perf_trace_run_bpf_submit+0x78/0x170
 perf_trace_lock+0x2f8/0x3b0
 lock_release+0x3b2/0x3e0
 seqcount_lockdep_reader_access+0xdc/0x1c0
 ktime_get+0x3e/0x1f0
 clockevents_program_event+0xea/0x360
 hrtimer_interrupt+0x620/0xaa0
 __sysvec_apic_timer_interrupt+0x10b/0x410
 sysvec_apic_timer_interrupt+0x52/0xc0
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:ieee80211_prepare_and_rx_handle+0x266f/0x63f0
Code: 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 56 39 2d f7 4c 89 33 ff 84 24 40 01 00 00 4c 89 ff 4c 89 ee e8 81 e7 fd ff <e9> 41 05 00 00 41 81 e7 00 03 00 00 bf 00 03 00 00 44 89 fe e8 98
RSP: 0018:ffffc900000077c0 EFLAGS: 00000246
RAX: 4a3225c3f291d600 RBX: ffffc900000078f0 RCX: 4a3225c3f291d600
RDX: 0000000000000002 RSI: ffffffff8d9b6a7d RDI: ffffffff8be33300
RBP: ffffc900000079f0 R08: ffffffff8fa38037 R09: 1ffffffff1f47006
R10: dffffc0000000000 R11: fffffbfff1f47007 R12: dffffc0000000000
R13: ffffc900000078f0 R14: ffff888023590600 R15: ffffc90000007ac0
 ieee80211_rx_list+0x21b8/0x2a90
 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_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__sanitizer_cov_trace_pc+0x8/0x70
Code: 8b 3d a4 48 fe 0b 48 89 de 5b e9 63 a4 58 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 04 24 <65> 48 8b 0c 25 08 40 a0 92 65 8b 15 c8 93 e0 10 81 e2 00 01 ff 00
RSP: 0018:ffffc90003d8e798 EFLAGS: 00000246
RAX: ffffffff81a0c020 RBX: ffffc90003d8e8e0 RCX: ffff88810b751cc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc90003d8ea60
RBP: ffffc90003d8e850 R08: ffffc90003d8e90f R09: 0000000000000000
R10: ffffc90003d8e8e0 R11: fffff520007b1d22 R12: 0000000000000000
R13: ffffc90003d8ea60 R14: dffffc0000000000 R15: 0000000000000001
 info_print_prefix+0xe0/0x310
 record_print_text+0x154/0x420
 printk_get_next_message+0x26d/0x7b0
 console_flush_all+0x4ca/0xc40
 console_unlock+0xc4/0x270
 vprintk_emit+0x5b7/0x7a0
 _printk+0xcf/0x120
 __nla_validate_parse+0x2563/0x2d40
 __nla_parse+0x40/0x60
 rtnl_dump_ifinfo+0x2ed/0x1060
 rtnl_dumpit+0xa2/0x200
 netlink_dump+0x6e4/0xe90
 netlink_recvmsg+0x676/0xa30
 sock_recvmsg+0x22c/0x270
 ____sys_recvmsg+0x1c9/0x460
 ___sys_recvmsg+0x1b5/0x510
 __x64_sys_recvmsg+0x198/0x260
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f136078ebe9
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:00007f136158c038 EFLAGS: 00000246 ORIG_RAX: 000000000000002f
RAX: ffffffffffffffda RBX: 00007f13609c6090 RCX: 00007f136078ebe9
RDX: 0000000000000122 RSI: 0000200000000040 RDI: 000000000000000c
RBP: 00007f1360811e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f13609c6128 R14: 00007f13609c6090 R15: 00007fffa0a7aa58
 </TASK>
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 5963 Comm: syz.2.19 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:native_apic_msr_write+0x39/0x50
Code: 74 2a 83 ff 30 74 25 eb 10 81 ff d0 00 00 00 74 1b 81 ff e0 00 00 00 74 13 c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <66> 90 c3 cc cc cc cc cc f3 0f 1e fa 89 f6 31 d2 e9 12 65 8e 03 66
RSP: 0018:ffffc90000007108 EFLAGS: 00000046
RAX: 000000000000014a RBX: ffff88804b023900 RCX: 0000000000000838
RDX: 0000000000000000 RSI: 000000000000014a RDI: 0000000000000838
RBP: 0000000000000000 R08: ffffc90000006def R09: 0000000000000000
R10: ffffc90000006de0 R11: ffffffff81703490 R12: 0000000010001e32
R13: dffffc0000000000 R14: 000000000000014a R15: 0000000000000020
FS:  00007f136158c6c0(0000) GS:ffff8880b861c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32109ff8 CR3: 0000000027998000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 lapic_next_event+0x11/0x20
 clockevents_program_event+0x1cf/0x360
 hrtimer_interrupt+0x620/0xaa0
 __sysvec_apic_timer_interrupt+0x10b/0x410
 sysvec_apic_timer_interrupt+0x52/0xc0
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:unwind_next_frame+0x223/0x2390
Code: 86 65 18 00 00 44 89 f8 4c 8d 2c 85 bc 08 e0 90 4c 89 e8 48 c1 e8 03 0f b6 04 28 84 c0 48 89 eb 0f 85 1c 1c 00 00 45 8b 6d 00 <44> 89 f8 ff c0 48 8d 2c 85 bc 08 e0 90 48 89 e8 48 c1 e8 03 0f b6
RSP: 0018:ffffc90000007378 EFLAGS: 00000246
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 4a3225c3f291d600
RDX: 00000000000a7d15 RSI: ffffffff8be332e0 RDI: ffffffff8be332a0
RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8172c195
R10: ffffc90000007120 R11: ffffffff81ac3930 R12: ffffffff8100012f
R13: 0000000000000003 R14: ffffc90000007448 R15: 0000000000000001
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 __kasan_slab_alloc+0x6c/0x80
 kmem_cache_alloc_node_noprof+0x1bb/0x3c0
 kmalloc_reserve+0xbd/0x290
 __alloc_skb+0x142/0x2d0
 skb_copy+0x188/0x800
 mac80211_hwsim_tx_frame_no_nl+0xcd3/0x11c0
 mac80211_hwsim_tx_frame+0x1b5/0x200
 mac80211_hwsim_beacon_tx+0x3f0/0x860
 __iterate_interfaces+0x2ab/0x590
 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180
 mac80211_hwsim_beacon+0xbb/0x1c0
 __hrtimer_run_queues+0x52c/0xc60
 hrtimer_run_softirq+0x187/0x2b0
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:number+0x81a/0xf60
Code: f6 4d 01 e6 49 83 c6 04 b8 ff ff ff ff 48 89 44 24 18 44 8b 7c 24 14 4c 8b 64 24 40 e9 35 fc ff ff e8 7a 20 4a f6 49 83 c6 02 <44> 89 fe 83 e6 02 31 ff e8 a9 24 4a f6 44 89 f8 83 e0 02 0f 85 b9
RSP: 0018:ffffc90003d8e4e0 EFLAGS: 00000293
RAX: ffffffff8b758822 RBX: 0000000000000001 RCX: ffff88810b751cc0
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000003
RBP: ffffc90003d8e600 R08: ffffc90003d8e577 R09: 0000000000000000
R10: ffffc90003d8e560 R11: fffff520007b1caf R12: 000000000000008e
R13: 0000000000000003 R14: ffffc90003d8e8e3 R15: 00000000ffff0a00
 vsnprintf+0x91b/0xf00
 sprintf+0xd9/0x120
 info_print_prefix+0x155/0x310
 record_print_text+0x154/0x420
 printk_get_next_message+0x26d/0x7b0
 console_flush_all+0x4ca/0xc40
 console_unlock+0xc4/0x270
 vprintk_emit+0x5b7/0x7a0
 _printk+0xcf/0x120
 __nla_validate_parse+0x2563/0x2d40
 __nla_parse+0x40/0x60
 rtnl_dump_ifinfo+0x2ed/0x1060
 rtnl_dumpit+0xa2/0x200
 netlink_dump+0x6e4/0xe90
 netlink_recvmsg+0x676/0xa30
 sock_recvmsg+0x22c/0x270
 ____sys_recvmsg+0x1c9/0x460
 ___sys_recvmsg+0x1b5/0x510
 __x64_sys_recvmsg+0x198/0x260
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f136078ebe9
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:00007f136158c038 EFLAGS: 00000246 ORIG_RAX: 000000000000002f
RAX: ffffffffffffffda RBX: 00007f13609c6090 RCX: 00007f136078ebe9
RDX: 0000000000000122 RSI: 0000200000000040 RDI: 000000000000000c
RBP: 00007f1360811e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f13609c6128 R14: 00007f13609c6090 R15: 00007fffa0a7aa58
 </TASK>
