rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 13248 jiffies s: 1341 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 5817 Comm: syz.0.26 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:asm_sysvec_apic_timer_interrupt+0x0/0x20
Code: b6 b9 b3 0a e9 81 06 00 00 90 f3 0f 1e fa 0f 1f 00 fc 6a ff e8 31 05 00 00 48 89 c4 48 89 e7 e8 c6 b8 b3 0a e9 61 06 00 00 90 <f3> 0f 1e fa 0f 1f 00 fc 6a ff e8 11 05 00 00 48 89 c4 48 89 e7 e8
RSP: 0018:ffffc90000007618 EFLAGS: 00000002
RAX: ffffffff8b2a58b1 RBX: ffff8881733ea780 RCX: ffff88817292d940
RDX: 0000000000000100 RSI: 0000000000000010 RDI: 0000000000000000
RBP: ffffc900000078f0 R08: ffff888170910faf R09: 1ffff1102e1221f5
R10: dffffc0000000000 R11: ffffed102e1221f6 R12: ffffc90000007c48
R13: dffffc0000000000 R14: 0000000000000010 R15: 000000000024cde0
FS:  00007f27e31af6c0(0000) GS:ffff88818dc24000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000103794000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
RIP: 0010:ieee80211_rx_handlers+0x574b/0xc8b0
Code: ff e8 89 15 9c f6 c6 05 aa 61 f2 04 01 48 c7 c7 e0 39 02 8d be 71 08 00 00 48 c7 c2 20 3b 02 8d e8 da 10 78 f6 e9 de f6 ff ff <4c> 8d 73 40 4c 89 f0 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 85 5d
RSP: 0018:ffffc90000007640 EFLAGS: 00000202
 ieee80211_prepare_and_rx_handle+0x33af/0x7750
 ieee80211_rx_list+0x2c83/0x3910
 ieee80211_rx_napi+0x1ad/0x3d0
 ieee80211_handle_queued_frames+0xe4/0x1d0
 tasklet_action_common+0x2d7/0x490
 handle_softirqs+0x225/0x840
 __irq_exit_rcu+0xca/0x220
 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+0x417/0xc60
Code: 04 00 00 41 c7 84 24 20 0e 00 00 00 00 00 00 0f 1f 44 00 00 49 83 c4 48 4c 89 e7 e8 a3 88 21 0a e8 1e ac 39 00 fb 4c 8b 65 c8 <49> 8d bc 24 f8 16 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0
RSP: 0018:ffffc90006f177a0 EFLAGS: 00000202
RAX: 0000000000000979 RBX: ffff88812103bf20 RCX: 0000000080000001
RDX: 0000000000000000 RSI: ffffffff8dfe0684 RDI: ffffffff8c2a9f80
RBP: ffffc90006f177f0 R08: ffffffff9032ddf7 R09: 1ffffffff2065bbe
R10: dffffc0000000000 R11: fffffbfff2065bbf R12: ffff88817292d940
R13: ffff88817292d940 R14: dffffc0000000000 R15: 1ffff110242077e4
 __schedule+0x17e1/0x56c0
 schedule+0x164/0x2b0
 __futex_wait+0x1d3/0x400
 futex_wait+0x121/0x390
 do_futex+0x3e7/0x4e0
 __se_sys_futex+0x3a8/0x450
 do_syscall_64+0x174/0x580
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f27e239ce59
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:00007f27e31af0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f27e2615fa8 RCX: 00007f27e239ce59
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f27e2615fa8
RBP: 00007f27e2615fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f27e2616038 R14: 00007ffe8c572660 R15: 00007ffe8c572748
 </TASK>
