rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10469 ticks this GP) idle=347c/1/0x4000000000000000 softirq=25820/25820 fqs=4419
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:        1          0            0
rcu: 	cputime:    31446      21032           41   ==> 52480(ms)
rcu: 	(t=10500 jiffies g=20257 q=10663 ncpus=2)
CPU: 0 UID: 0 PID: 6712 Comm: syz.6.166 Not tainted 6.15.0-rc4-syzkaller-gf4efc73b1ee7 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:rcu_read_unlock_special+0x87/0x4c0 kernel/rcu/tree_plugin.h:694
Code: f1 f1 f1 00 f2 f2 f2 4a 89 04 2b 66 42 c7 44 2b 09 f3 f3 42 c6 44 2b 0b f3 65 44 8b 35 e2 a3 cd 10 41 f7 c6 00 00 f0 00 74 49 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 66 42 c7 44 2b
RSP: 0018:ffffc90000007ae0 EFLAGS: 00000206
RAX: baf026abb6520e00 RBX: 1ffff92000000f64 RCX: baf026abb6520e00
RDX: 0000000000000002 RSI: ffffffff8d74a66e RDI: ffffffff8bc1d020
RBP: ffffc90000007be0 R08: ffffffff8f7ed277 R09: 1ffffffff1efda4e
R10: dffffc0000000000 R11: fffffbfff1efda4f R12: ffffffff8df40c00
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
FS:  00007efc399696c0(0000) GS:ffff8881260cc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000562395793138 CR3: 0000000030734000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __rcu_read_unlock+0x84/0xe0 kernel/rcu/tree_plugin.h:438
 rcu_read_unlock include/linux/rcupdate.h:873 [inline]
 ieee80211_rx_napi+0x228/0x3d0 net/mac80211/rx.c:5440
 ieee80211_rx include/net/mac80211.h:5179 [inline]
 ieee80211_handle_queued_frames+0xe8/0x1f0 net/mac80211/main.c:441
 tasklet_action_common+0x369/0x580 kernel/softirq.c:829
 handle_softirqs+0x283/0x870 kernel/softirq.c:579
 __do_softirq kernel/softirq.c:613 [inline]
 invoke_softirq kernel/softirq.c:453 [inline]
 __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
 instr_sysvec_irq_work arch/x86/kernel/irq_work.c:17 [inline]
 sysvec_irq_work+0xa3/0xc0 arch/x86/kernel/irq_work.c:17
 </IRQ>
 <TASK>
 asm_sysvec_irq_work+0x1a/0x20 arch/x86/include/asm/idtentry.h:738
RIP: 0010:generic_exec_single+0x481/0x500 kernel/smp.c:447
Code: 75 11 e8 e2 7c 0b 00 48 85 db 75 16 e8 d8 7c 0b 00 eb 15 e8 d1 7c 0b 00 e8 8c b5 a1 09 48 85 db 74 ea e8 c2 7c 0b 00 fb 31 c0 <48> c7 44 24 20 0e 36 e0 45 4b c7 04 2c 00 00 00 00 66 43 c7 44 2c
RSP: 0018:ffffc90003ab7a00 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000080000
RDX: ffffc9001bc04000 RSI: 00000000000011a9 RDI: 00000000000011aa
RBP: ffffc90003ab7ad0 R08: ffffffff8f7ed277 R09: 1ffffffff1efda4e
R10: dffffc0000000000 R11: fffffbfff1efda4f R12: 1ffff92000756f44
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff92000756f65
 smp_call_function_single+0x351/0x590 kernel/smp.c:676
 task_function_call kernel/events/core.c:121 [inline]
 perf_install_in_context+0x590/0x8f0 kernel/events/core.c:3033
 __do_sys_perf_event_open kernel/events/core.c:13410 [inline]
 __se_sys_perf_event_open+0x1867/0x1c80 kernel/events/core.c:13061
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7efc38b8e969
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:00007efc39969038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007efc38db5fa0 RCX: 00007efc38b8e969
RDX: affffff7ffffffff RSI: 0000000000000000 RDI: 0000200000000180
RBP: 00007efc38c10ab1 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007efc38db5fa0 R15: 00007ffd3f876348
 </TASK>
sched: DL replenish lagged too much