rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10342 ticks this GP) idle=d3ac/1/0x4000000000000000 softirq=91735/91771 fqs=4636
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1216998          0            0
rcu: 	cputime:    19549      32909           35   ==> 52470(ms)
rcu: 	(t=10501 jiffies g=119121 q=2268 ncpus=2)
CPU: 0 PID: 24143 Comm: syz.1.6746 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:ieee80211_scan_rx+0x0/0x8a0 net/mac80211/scan.c:243
Code: f9 80 e1 07 fe c1 38 c1 0f 8c 38 fc ff ff 4c 89 ff e8 e4 1b ea f7 e9 2b fc ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 <66> 0f 1f 00 55 41 57 41 56 41 55 41 54 53 48 83 ec 38 48 89 f3 48
RSP: 0018:ffffc900000079b8 EFLAGS: 00000246
RAX: ffffffff89fe64f7 RBX: 0000000000000000 RCX: ffff88805c710000
RDX: 0000000000000100 RSI: ffff888061a688c0 RDI: ffff88805d1b0e80
RBP: ffffc90000007c10 R08: ffff88805c710000 R09: 0000000000000003
R10: 0000000000000080 R11: 0000000000000100 R12: ffff888061a688c0
R13: 1ffff92000000f4c R14: 0000000000000080 R15: 0000000000000080
FS:  00007f87ab0156c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000007940 CR3: 000000005cd79000 CR4: 00000000003506f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000008d24
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __ieee80211_rx_handle_packet net/mac80211/rx.c:5179 [inline]
 ieee80211_rx_list+0x249b/0x3240 net/mac80211/rx.c:5437
 ieee80211_rx_napi+0x1ae/0x3c0 net/mac80211/rx.c:5460
 ieee80211_rx include/net/mac80211.h:4971 [inline]
 ieee80211_handle_queued_frames+0x105/0x190 net/mac80211/main.c:319
 tasklet_action_common+0x2d4/0x460 kernel/softirq.c:809
 handle_softirqs+0x27d/0x820 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xd3/0x190 kernel/softirq.c:661
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:preempt_schedule_irq+0xba/0x150 kernel/sched/core.c:7010
Code: 00 00 43 c6 44 37 04 f8 74 0b 0f 0b 48 f7 03 08 00 00 00 74 6f bf 01 00 00 00 e8 01 48 d0 f6 e8 3c 34 01 f7 fb bf 01 00 00 00 <e8> 31 b4 ff ff 43 c6 44 37 08 00 48 c7 44 24 40 00 00 00 00 9c 8f
RSP: 0018:ffffc90003327d60 EFLAGS: 00000286
RAX: 3bc684face46fa00 RBX: 0000000000000000 RCX: 3bc684face46fa00
RDX: dffffc0000000000 RSI: ffffffff8acacb60 RDI: 0000000000000001
RBP: ffffc90003327e10 R08: ffffffff8e8ae5ef R09: 1ffffffff1d15cbd
R10: dffffc0000000000 R11: fffffbfff1d15cbe R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000664fac
 irqentry_exit+0x67/0x70 kernel/entry/common.c:438
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:exit_to_user_mode_loop+0x40/0x110 kernel/entry/common.c:164
Code: fb eb 1d e8 02 49 10 09 65 48 8b 05 0a 14 90 7e 4c 8b 30 41 f7 c6 0e 30 02 00 0f 84 c4 00 00 00 e8 c5 af 19 00 fb 41 f6 c6 08 <74> 05 e8 19 76 18 09 41 f7 c6 00 10 00 00 74 08 48 89 df e8 b8 a0
RSP: 0018:ffffc90003327ed0 EFLAGS: 00000246
RAX: 3bc684face46fa00 RBX: ffffc90003327f58 RCX: 3bc684face46fa00
RDX: dffffc0000000000 RSI: ffffffff8acacb60 RDI: ffffffff8b1c7be0
RBP: ffffc90003327f48 R08: ffffffff8e8ae5ef R09: 1ffffffff1d15cbd
R10: dffffc0000000000 R11: fffffbfff1d15cbe R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000004002 R15: ffff88805c710000
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
 syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:302
 do_syscall_64+0x61/0xb0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f87aa19ce59
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:00007f87ab015028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffea RBX: 00007f87aa415fa0 RCX: 00007f87aa19ce59
RDX: 0000000000000094 RSI: 0000200000000100 RDI: 0000000000000005
RBP: 00007f87aa232e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f87aa416038 R14: 00007f87aa415fa0 R15: 00007ffc95cb4db8
 </TASK>